Abrégé

Disclosed in the present application is a curtain wall ventilation structure, comprising a glass outer wall, a bottom surface perforated aluminum plate and a vertical surface perforated aluminum plate, wherein the glass outer wall is arranged outside a building body, and is obliquely arranged from top to bottom towards an inner side of the building body, the glass outer wall is sequentially provided with a plurality of inwards-concave portions which are concavely arranged towards the building body from top to bottom, and the adjacent inwards-concave portions are in mutual communication by means of an inner side wall of the glass outer wall. The bottom surface perforated aluminum plate is arranged on an upper wall of each inwards-concave portion, and the bottom surface perforated aluminum plate is in communication with the interior and the exterior of the building body. The vertical surface perforated aluminum plate is arranged on a side wall of a vertical surface of each inwards-concave portion, the vertical surface perforated aluminum plate is obliquely arranged from top to bottom towards the inner side of the building body, and the vertical surface perforated aluminum plate is in communication with the interior and the exterior of the building body. The present application is used for solving the technical problems of an existing curtain wall ventilation structure having poor rainwater prevention performance, poor flatness and low safety, and needing to achieve ventilation by means of mechanical equipment.

Classes IPC  ?

• E04B 2/88 - Murs-rideaux
• E04C 2/54 - Éléments translucides en forme de dalles
• E04C 2/08 - Éléments de construction de relativement faible épaisseur pour la construction de parties de bâtiments, p. ex. matériaux en feuilles, dalles ou panneaux caractérisés par des matériaux spécifiés en métal, p. ex. tôles
• E04C 2/30 - Éléments de construction de relativement faible épaisseur pour la construction de parties de bâtiments, p. ex. matériaux en feuilles, dalles ou panneaux caractérisés par la forme ou la structure
• E06B 7/02 - Aménagements particuliers ou dispositions en rapport avec les portes ou fenêtres pour assurer la ventilation, p. ex. à travers des doubles fenêtresAménagement de rosaces de ventilation
• F24F 7/013 - Ventilation à écoulement forcé par l'emploi de ventilateurs dans les parois ou les fenêtres, par déplacement d'air à travers la paroi ou la fenêtre

Abrégé

The present application relates to the technical field of building construction, and specifically relates to a wall attachment structure and a hoist device. The wall attachment structure comprises: a beam, which is transversely arranged and is adapted to detachably connect to a hoist; first columns, which are arranged at the edge area close to a roof level, the first columns being adapted to support the beam and detachably connect to the roof level; a second column, which is longitudinally arranged at the edge area away from the roof level, and detachably connects to the roof level; and an inclined section, which connects the first columns to the second column. In the wall attachment structure provided in the present application, by means of the second column connecting to the first stand columns via the inclined section, the stability of the first columns is enhanced, providing a reliable wall attachment structure for attachment of the hoist when ascending to the roof level; and by means of the detachable connections of the first columns, the second column, the inclined section, and the beam, the detachable connection of the first columns and the roof level, and the detachable connection of the second column and the roof level, assembly and disassembly of the wall attachment structure are facilitated, thereby facilitating rotational use.

Classes IPC  ?

• B66B 11/00 - Parties constitutives principales des ascenseurs installés dans les bâtiments ou édifices ou adjoints à ceux-ci
• E04D 15/00 - Équipement ou outils de couvreur

Abrégé

A pipe support (100), comprising a first fixing portion (110), a second fixing portion (120), a connecting portion (130) and a third fixing portion (140), wherein the first fixing portion (110) and the second fixing portion (120) are respectively connected to two ends of a wing plate of an H-section bar in a width direction, the connecting portion (130) is provided with a first extension plate (131) in a horizontal direction, the first fixing portion (110) and the second fixing portion (120) have multiple states of being fixed to the first extension plate (131) and spaced apart by different distances, and the distance between the first fixing portion (110) and the second fixing portion (120) may vary for different types of H-section bar; and the connecting portion (130) further comprises a second extension plate (132), the second extension plate (132) is perpendicular to the first extension plate (131), and the third fixing portion (140) has multiple states of being fixed to different positions on the second extension plate (132) in a vertical direction. When a pipe is supported on a H-section bar of different specifications, the distance between the pipe and the H-section bar can be flexibly controlled, such that the pipe can be flexibly mounted.

Classes IPC  ?

• F16L 3/10 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers entourant pratiquement le tuyau, le câble ou le conduit de protection fractionnés, c.-à-d. à deux éléments en prise avec le tuyau, le câble ou le conduit de protection

Abrégé

A free-expansion deformation seam structure applied to a floor, including: a first base, a second base, a cover plate, a first telescopic component and a second telescopic component. A bottom of the cover plate is provided with a first connection part and a second connection part, one end of the first telescopic component is clamped in the first clamping groove in the first base, the other end thereof is fixedly connected to the first connection part, one end of the second telescopic component is clamped in the second clamping groove in the second base, the other end thereof is fixedly connected to the second connection part, and the first telescopic component and the second telescopic component are capable of expanding and contracting in the horizontal direction of the expansion seam to drive the cover plate to slide on the first base and the second base.

Classes IPC  ?

• E04B 1/68 - Étanchéités des joints, p. ex. des joints d'expansion

Abrégé

The present application provides a foldable roof structure and a modular building. The foldable roof structure comprises a panel structure, at least two supporting structures, and rotating structures, the rotating structures being disposed between the panel structure and the supporting structures. Any of the supporting structures is rotatably arranged on the panel structure by means of the rotating structures, the foldable roof structure has a folded state in which the supporting structures and the panel structure are arranged in the same plane, and an unfolded state in which the supporting structures rotate relative to the panel structure under the action of gravity, and when each supporting structure is in the unfolded state, the side of the supporting structure away from the panel is adapted to be connected to the top of a house. According to the roof structure provided by the present application, rotating structures are provided to connect supporting structures and a panel structure, so that the supporting structures can rotate relative to the panel structure and are then switched between an unfolded state and a folded state, and during construction, the roof structure is hoisted, the supporting structures are automatically unfolded under the action of gravity, thereby improving the construction efficiency of a construction site, and in the folded state, fixing and transportation are facilitated.

Classes IPC  ?

• E04B 7/16 - Structure de toits à parties mobiles
• E04B 7/02 - ToitsStructure des toits en ce qui concerne l'isolation avec des pentes planes, p. ex. toits en bâtière
• E04B 7/04 - ToitsStructure des toits en ce qui concerne l'isolation avec des pentes planes, p. ex. toits en bâtière supportés par des poutres horizontales ou équivalent, reposant sur des murs
• E04B 1/348 - Structures composées d'unités comportant au moins des parties importantes des deux côtés d'une pièce, c.-à-d. unités en forme de boîtes ou de cellules closes ou en forme de carcasses

Abrégé

The present application discloses an opening construction node and a fabricated building thereof. The opening construction node in embodiments of the present application comprises: an I-shaped beam, the I-shaped beam being mounted on a first floor slab, a first fixing member and a second fixing member being provided on the I-shaped beam, the first fixing member being provided on one side of a web of the I-shaped beam, and one end of the second fixing member being fixed to the outer side of a lower flange slab of the I-shaped beam; first bearing members and second bearing members, the first bearing members and the second bearing members being connected to the first floor slab and a second floor slab, and the second floor slab being located below the first floor slab; a first assembly separately connected to the connecting members and the I-shaped beam and located above an opening; and a second assembly provided on the side edge of the first assembly, separately connected to the connecting members, the first floor slab, and the second floor slab, and located on the side edge of the opening. The opening construction node in the embodiments of the present application can improve the construction efficiency and save the cost, and is safe and attractive.

Classes IPC  ?

• E04B 1/00 - Constructions en généralStructures qui ne sont limitées ni aux murs, p. ex. aux cloisons, ni aux planchers, ni aux plafonds, ni aux toits
• E04B 1/38 - Assemblages pour les constructions du bâtiment en général
• E04C 2/30 - Éléments de construction de relativement faible épaisseur pour la construction de parties de bâtiments, p. ex. matériaux en feuilles, dalles ou panneaux caractérisés par la forme ou la structure
• E04C 3/02 - PoutrellesSolives, fermes ou structures analogues à des fermes, p. ex. préfabriquéesLinteauxTraverses
• E04B 1/61 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de plaques en contact mutuel

Abrégé

A pre-embed device for an electromechanical pipeline support hanger. The pre-embed device comprises a shell (0) provided with a through hole, wherein the shell (0) comprises a head end (2), a connecting portion (3) and a fixed end (4); through holes located in the connecting portion (3) and the fixed end (4) have the same hole diameter, and the hole diameter of a through hole located in the head end (2) is greater than the hole diameter of the through hole located in the connecting portion (3); a sleeve (5) is arranged in the through hole of the head end (2), and a threaded hole (51) in communication with the inner through hole of the shell (0) is formed in the sleeve (5); a cover plate (1) covers the head end (2); a connector (6) is connected to the shell (0) and the cover plate (1), and one end of the connector (6) passes through the shell (0). After a pre-embed point is determined, the pre-embed device is fixed to a formwork by means of the connector passing through the shell, and then concrete is poured; and after the poured concrete dries, the formwork can be directly disassembled, so that the electromechanical pipeline construction efficiency can be improved, the damage rate and the repair rate of pre-embedded pipelines in a floor slab are reduced, and indoor dust pollution caused by expansion bolt construction can also be avoided.

Classes IPC  ?

• F16L 3/00 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers
• H02G 3/04 - Tubes ou conduits de protection, p. ex. échelles à câbles ou goulottes de câblage

Abrégé

Disclosed in the present disclosure is a double-deck multi-span bridge construction method. According to the double-deck bridge construction method of the present disclosure, construction is carried out by using a method of disassembling a support jig frame in a graded and span-separated mode, an upper chord jig frame and a lower chord jig frame can be used in a recycle manner, and construction costs are reduced. In addition, a construction period of building the support jig frame is shortened, and other construction operations can be synchronously carried out on a span in which the jig frame is disassembled, for example, fire retardant coating construction can be carried out on a mounted bridge deck after the jig frame is disassembled, and the construction period of a double-deck multi-span bridge is effectively shortened. Additionally, according to the double-deck multi-span bridge construction method in embodiments of the present disclosure, the upper chord jig frame and the lower chord jig frame are disassembled in a graded manner, thereby ensuring that a bridge structure can be smoothly and safely transitioned to a designed stress state.

Classes IPC  ?

• E01D 21/00 - Procédés ou appareils spécialement adaptés pour ériger ou assembler des ponts
• E01D 12/00 - Ponts caractérisés en ce qu'ils constituent une combinaison de structures non couvertes dans leur ensemble par un seul des groupes

Abrégé

Disclosed in the present invention is a pouring device, comprising: a bottom plate, which is provided with a first through hole; a baffle plate, which is connected to the bottom plate in a sliding manner, wherein the baffle plate can slide relative to the bottom plate under driving, so as to close or open the first through hole; and a joint, which comprises a connecting portion and a butting portion, wherein the connecting portion is connected to a surface of the bottom plate, and the butting portion is used for being connected to a pump pipe. The pouring device disclosed in the present invention can effectively solve the segregation problem in a pouring process.

Classes IPC  ?

• E04G 21/02 - Transport ou travail du béton ou de matériaux similaires susceptibles d'être mis en tas ou coulés

Abrégé

Disclosed in the present invention are a fixing device, a fixing device mounting method, and a wall construction method. The fixing device of the present invention is configured to connect a pipe to a plate, and comprises first limiting members, a first connecting member, a second connecting member, and locking members. The first limiting members are arranged in parallel; the first connecting member is flexible, and is provide at one end of each of the first limiting members, and two ends of the first connecting member are respectively connected to the first limiting members at two sides; the second connecting member is provided at the other end of each of the first limiting members, and the second connecting member passes through the first limiting members; the first connecting member can drive one end of each of the first limiting members at two sides to be close to each other, such that the first limiting members abut against each other; and the fixing device further comprises the locking members that can keep the abutted state of the first limiting members. The fixing device in the present invention has a simple structure, materials can be conveniently obtained at a construction site, subsequent fixation of the plate is greatly facilitated, and the construction efficiency and the construction safety are improved.

Classes IPC  ?

• E04G 21/24 - Mesures de sécurité ou de protection pour éviter d'endommager les parties du bâtiment ou les finitions pendant la construction
• E04G 21/26 - Moyens pour étayer des éléments de murÉtais ou analogues, p. ex. pour maintenir en position des murs préfabriqués
• E04B 2/82 - Cloisons mobiles ne supportant pas de chargeCloisons à bord supérieur libre caractérisés par la façon dont les bords sont fixés au bâtimentMoyens à cet effetDétails particuliers des cloisons faciles à retirer
• E04B 2/74 - Cloisons mobiles ne supportant pas de chargeCloisons à bord supérieur libre

Abrégé

A batten hoisting tool, comprising a plurality of clamping members (100) and a plurality of connecting rods (200), the plurality of clamping members being distributed at intervals, and each comprising two first rods (110) and two second rods (120), wherein each second rod has a connection portion (121), a clamping portion (122) and an abutting portion (123), which are connected in sequence; the two connection portions are arranged in a crossed manner and are rotatably connected to each other at the intersection; each clamping portion and the corresponding abutting portion are perpendicular to each other; the two abutting portions are arranged opposite each other; and one end of each of the two first rods is rotatably connected to one another, and the other ends of the two first rods are respectively rotatably connected to one end of each of the two connection portions. The plurality of connecting rods are connected to the plurality of clamping members, so that a batten can be more stable in a clamped state; and the gravity of the batten is downward, while the hoisting direction of the batten hoisting tool is upward, such that the batten is firmly clamped by the clamping members, which improves the hoisting stability of the batten.

Classes IPC  ?

• B66C 1/30 - Organes jumelés, p. ex. pivotants, s'engageant sous la charge de deux côtés à la fois et également disposés pour saisir les côtés de la charge

Abrégé

Disclosed in the present application is a drainage device, comprising a drainage gutter, fixing members and sealing members. The drainage gutter comprises connecting ends, the connecting ends being used for being attached to a wall body, so that the drainage gutter and the wall body define a drainage channel, and the drainage channel being used for discharging seepage water to a water collection area. The fixing members fix the drainage gutter onto the wall body. The sealing members are arranged at the connecting ends, and when the drainage gutter is installed on the wall body, the connecting ends and the wall body squeeze the sealing members so as to prevent leakage of the wall body, thus improving the waterproof effect.

Classes IPC  ?

• E04B 1/66 - Étanchéités
• E04B 1/68 - Étanchéités des joints, p. ex. des joints d'expansion
• E04B 1/70 - Séchage ou maintien de la siccité, p. ex. par ventilation d'air

Abrégé

A safety belt suspension device (100) is used for a steel I-beam (200) and comprises a rope (300), a first connecting member (110), a second connecting member (120), and a fixing assembly (130). The rope (300) is used for suspending a safety belt; the first connecting member (110) can be suspended on a first flange plate (201) on one side of the bottom of the steel I-beam (200), and the first connecting member (110) is connected to one end of the rope (300); the second connecting member (120) can be suspended on a second flange plate (202) on the other side of the bottom of the steel I-beam (200), and the second connecting member (120) is connected to the other end of the rope (300); the fixing assembly (130) is provided between the first connecting member (110) and the second connecting member (120), the first connecting member (110) is connected to the second connecting member (120) by means of the fixing assembly (130), and the distance between the first connecting member (110) and the second connecting member (120) is adjustable. The safety belt suspension device (100) can be mounted to the steel I-beam (200), to ensure the safety of a constructor.

Classes IPC  ?

• A62B 35/00 - Ceintures ou harnais de sécuritéÉquipements similaires pour limiter le déplacement du corps humain, notamment en cas de changement brusque de mouvement

Abrégé

Disclosed in the present invention is a sliding construction method, and further disclosed is a truss construction method having the sliding construction method. The sliding construction method comprises the following steps: assembling a sliding unit; erecting a hanger; arranging one end of the sliding unit on a first sliding rail, and connecting the other end of the sliding unit to a second sliding rail by means of the hanger, the sliding unit and the hanger being capable of sliding on the first sliding rail and the second sliding rail; and sliding the sliding unit until sliding is in place. The sliding construction method of the present invention can solve the problem that the span of a sliding unit is mismatched with the distance between sliding rails.

Classes IPC  ?

• E04G 21/14 - Transport ou assemblage des éléments de construction
• E04G 21/16 - Outils ou appareils

Abrégé

Provided in the present application is a double-layer filtering water seal floor drain, which comprises a cylinder body, wherein a floor drain floor plate is arranged at the bottom end of the cylinder body; the floor drain floor plate is coaxially provided with a drainage pipe; a sealing cover located between the drainage pipe and the inner wall of the cylinder body is arranged in the cylinder body; the sealing cover is higher than the drainage pipe in the cylinder body; several drainage holes are provided in a side wall of the sealing cover; and a first grate and a second grate, which are located above the sealing cover, are arranged on the cylinder body. The first grate and the second grate provided have a double-layer filtering effect, thereby solving the problem in the background art of a single-layer filter screen plate being prone to blockage. By means of arranging the sealing cover, the drainage holes and the drainage pipe, insofar as drainage can be guaranteed, a water seal ring is autogenously formed, thereby preventing odor emission.

Classes IPC  ?

• E03F 5/04 - Bouches d'égout avec ou sans obturateur d'odeurs ou chambre à sédiments

Abrégé

The present application relates to the technical field of architectural engineering. Disclosed are a slab joint leakage-proof structure of a prefabricated roof panel, a prefabricated roof panel and a prefabricated roof panel system. The slab joint leakage-proof structure comprises a first leakage-proof layer. The first leakage-proof layer comprises two flexible structures which abut against each other and are arranged at the joint of a main rib on the long side of the roof panel and a main rib on the long side of an adjacent roof panel. Either of the flexible structures comprises a main body portion sealably attached to the main rib, and at least one protruding portion which is fixedly disposed on the main body portion, protrudes and extends into the joint, and can tightly abut against the other flexible structure. The protruding portions of the two flexible structures can enclose an air cavity layer sealably isolated from the outside. The air pressure of the air cavity layer is higher than that of the outside for preventing liquid on the bottom end of the joint from permeating into the air cavity layer and entering a room. The slab joint leakage-proof structure has good waterproof performance. The flexible structures are sealably connected to the main ribs, and are not easy to fall off, and the problem that the waterproof performance is poor due to the fact that a mortar is easy to fall off in an existing waterproof mode of filling the mortar is solved.

Classes IPC  ?

• E04B 1/68 - Étanchéités des joints, p. ex. des joints d'expansion
• E04B 7/20 - Toits constitués de dalles auto-portantes, p. ex. susceptibles d'être chargées

Abrégé

Disclosed in the present application is a bending device. The bending device of the present application comprises a bending member and a first guide member. The bending member is provided with a bending portion, wherein the bending portion at least comprises one arc surface, and a PVC wire tube can move along the arc surface so as to be bent to a certain angle. The first guide member is fixedly connected to the bending member, the first guide member is provided with a first channel, and the PVC wire tube can move relative to the first channel so as to be connected to the arc surface. The PVC wire tube can move along the arc surface so as to be bent, and due to the fact that the PVC wire tube has a low bending speed and a low rate of change in the bending angle, the PVC wire tube can be prevented from being broken, and the smoothness of an inner wall of the PVC wire tube can be maintained after bending is completed.

Classes IPC  ?

• B29C 53/08 - Cintrage ou pliage de tubes
• B29C 53/80 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
• B21D 7/00 - Cintrage des barres, profilés ou tubes

Abrégé

Disclosed in the present invention is a concrete test block manufacturing apparatus, comprising a base; a bearing table provided on the base; a plurality of mold fixing assemblies provided on the bearing table at intervals in a preset direction; a driving member provided on the bearing table; and a tamping assembly, wherein a driving member is drivingly connected to the tamping assembly, and the driving member is used for driving the tamping assembly to sequentially move to the position above each mold fixing assembly. According to the concrete test block manufacturing apparatus, concrete in a test block mold can be automatically tamped by means of the tamping assembly, thereby saving both time and labor, and multiple concrete test blocks can be simultaneously manufactured by means of the concrete test block manufacturing apparatus, thereby achieving high efficiency.

Classes IPC  ?

• B28B 1/093 - Fabrication d'objets façonnés à partir du matériau par vibrations ou secousses par des moyens agissant directement sur le matériau, p. ex. par des noyaux complètement ou partiellement immergés dans le matériau

Abrégé

Disclosed in the present invention are a supporting structure and a construction method therefor. The supporting structure is used for supporting a foundation pit, and comprises: a supporting pile and a soil retaining wall. The supporting pile can be located in a foundation; and the soil retaining wall comprises a base and a soil retaining portion, the soil retaining portion is connected to an upper surface of the base, the base is connected to an upper end of the supporting pile, the soil retaining portion is provided with a second soil-facing face, the second soil-facing face extends in an axis direction of the supporting pile, the upper surface of the base comprises a first soil-facing face, and a center point of the first soil-facing face is located on one side of an axis of the supporting pile facing the supporting pile along the second soil-facing face. After soil backfilling of the foundation pit, the second soil-facing face and the first soil-facing face are subjected to pressure of backfill soil, and an opposite bending moment is generated at the bottom of the supporting pile so as to offset the pressure, so that the safety of the supporting structure is improved; and in addition, the requirement of the strength of steel bars can be reduced, so that the cost is reduced.

Classes IPC  ?

• E02D 17/04 - Aménagement des bords ou consolidation des parois des trous de fondation
• E02D 5/34 - Pieux en béton ou analogue coulés en place

Abrégé

A support device (100), comprising: a base (110); a plurality of Bailey frame groups (120), which are arranged at the top of the base (110) and are spaced apart from each other, wherein each of Bailey frame groups (120) comprises a plurality of Bailey frame bodies (121) and a plurality of connecting frames (122), the plurality of Bailey frame bodies (121) are arranged in parallel and spaced apart from each other, each Bailey frame body (121) is connected to the base (110), and a connecting frame (122) is connected between two adjacent Bailey frame bodies (121) in each group; and a top beam (130) arranged at the top of the plurality of Bailey frame groups (120), wherein the top beam comprises a beam body (131) and a plurality of vertical members (132) perpendicularly arranged at the top of the beam body (131), the beam body (131) is connected to the plurality of Bailey frame groups (120), and the plurality of vertical members (132) are arranged in parallel at the top of the beam body (131) and are spaced apart from each other.

Classes IPC  ?

• E01D 15/12 - Ponts portatifs ou démontables par sections
• E01D 19/00 - Détails des ponts
• E01D 19/02 - PilesCulées
• E02B 5/02 - Construction ou revêtement de canaux

Abrégé

Disclosed in the present invention are a wall panel mounting device and a wall panel mounting method. The wall panel mounting device comprises a mounting assembly and a reinforcement mechanism, wherein the mounting assembly is used for fixing a connecting end of a wall panel to a mounting surface of a frame; the reinforcement mechanism comprises a first reinforcement assembly, which is connected to the mounting assembly, and a second reinforcement assembly, which is movably fitted with the first reinforcement assembly; the first reinforcement assembly is used for connecting to a reinforcement surface of the frame; the second reinforcement assembly is used for connecting to the wall panel; the mounting surface and the reinforcement surface form an included angle; and insofar as the mounting assembly and the first reinforcement assembly are respectively connected to the mounting surface and the reinforcement surface, the second reinforcement assembly is operable to move relative to the first reinforcement assembly in a first direction to extend toward the wall panel, such that the second reinforcement assembly can be connected to the wall panel. By means of the above wall panel mounting device and wall panel mounting method, the connection between the wall panel and the frame can be more secure; moreover, the integration of the mounting assembly and the reinforcement mechanism makes mounting more convenient and rapid.

Classes IPC  ?

• E04B 2/00 - Murs, p. ex. cloisons, pour bâtimentsStructure des murs en ce qui concerne l'isolationAssemblages spécifiques pour les murs
• E04B 1/61 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de plaques en contact mutuel

Abrégé

A wallboard structure and a building wall. The wallboard structure comprises at least two sub-wallboards (110) and at least one metal connection member (120); the metal connection member (120) is at least connected to the two adjacent sub-wallboards (110), such that the multiple sub-wallboards (110) are sequentially connected at intervals in a first direction; and a reserved gap (113) is provided between the two adjacent sub-wallboards (110). When an earthquake occurs, the wallboard structure inclines from left to right, i.e., inclining in the length direction of the wallboard structure, the part of the metal connection member (120) located at the reserved gap (113) deforms, and the two adjacent sub-wallboards (110) are staggered left and right, so that energy consumption is conducted on the wallboard structure, thereby reducing the damage to the wallboard structure during the earthquake.

Classes IPC  ?

• E04H 9/02 - Bâtiments, groupes de bâtiments ou abris conçus pour résister à des situations extérieures anormales, p. ex. à des bombardements, à des séismes ou à des climats extrêmes, ou pour se protéger de ces situations résistant aux séismes ou à l'effondrement du sol
• E04B 1/98 - Protection contre d'autres agents indésirables ou dangers contre les vibrations ou les chocsProtection contre d'autres agents indésirables ou dangers contre les destructions mécaniques, p. ex. par les raids aériens
• E04B 2/00 - Murs, p. ex. cloisons, pour bâtimentsStructure des murs en ce qui concerne l'isolationAssemblages spécifiques pour les murs

Abrégé

The present application provides a shaping formwork for a H-shaped steel beam being encased in concrete, and a construction method. The shaping formwork comprises: a first form board, a second form board, a third form board, a first connector and a second connector, wherein the first form board and the second form board are parallel to a web of an H-shaped steel beam, and the first form board and the second form board are detachably connected to each other; and the first connector connects the third form board and the H-shaped steel beam, and the second connector connects the second form board and a floor reinforcement mesh. In the shaping formwork for a H-shaped steel beam being encased in concrete provided in the present application, the first form board, the second form board, the third form board, the first connector and the second connector are connected in a fitted manner, the H-shaped steel beam is shaped and semi-encased, and a scaffold does not need to be built, such that construction is easy; the phenomenon of an encasing shaping effect being poor due to shaking of a scaffold is avoided, and the precision is high; and the first form board and the second form board are detachably connected to each other, such that segmented pouring can be conducted, concrete can be vibrated before a second section is poured, and a forming effect is ensured.

Classes IPC  ?

• E04G 13/04 - Faux œuvres, coffres ou coffrages pour parties particulières des bâtiments, p. ex. escaliers, marches, corniches ou balcons pour linteaux, poutres ou sommiers destinés à être posés séparémentMoyens particuliers de liaison ou de serrage à cet effet

Abrégé

The present application relates to the technical field of building construction, and provides a mold for pouring steel beam-cladding concrete and a construction method. The mold for pouring steel beam-cladding concrete comprises: a side plate, which is suitable for being arranged on the outer side of a steel beam, a first preset interval being retained between the side plate and the steel beam; a bottom plate, which is suitable for being arranged on the side of the steel beam distant from a floor slab, a second preset interval being retained between the bottom plate and the steel beam; a first connecting member, which is suitable for being arranged on the side of the steel beam distant from the floor slab, one end of the first connecting member being connected to the end of the bottom plate distant from the side plate, and the other end being connected to the steel beam; and a second connecting member, which is suitable for being arranged on the side of the steel beam close to the floor slab, one end of the second connecting member being connected to the end of the side plate distant from the bottom plate, and the other end being connected to the steel beam. In the mold, the bottom plate and the side plate are fixed on the outer side of the steel beam by means of the first connecting member and the second connecting member, and then concrete may be poured. There is no need to build scaffolding, which reduces the number of construction process steps, and helps to increase construction efficiency and shorten a construction period.

Classes IPC  ?

• E04G 13/04 - Faux œuvres, coffres ou coffrages pour parties particulières des bâtiments, p. ex. escaliers, marches, corniches ou balcons pour linteaux, poutres ou sommiers destinés à être posés séparémentMoyens particuliers de liaison ou de serrage à cet effet

Abrégé

A roadbed improvement device, comprising a base (100), a first chemical liquid supply device (210) and a drilling device (300). The base (100) is connected to a material blocking member. A first cavity (110) which communicates the upper and lower sides of the base (100) is provided on a side of the base (100) on which the material blocking member is located. The first cavity (110) communicates with the upper and lower sides of the base (100). The first chemical liquid supply device (210) is connected to the base (100) and is located above the first cavity (110). The first chemical liquid supply device (210) is used for injecting a chemical liquid to the first cavity (110). The drilling device (300) comprises a drill bit body (310) and a drill bit (330). The drill bit body (310) is connected to the base (100). The drill bit body (310) is used for driving the drill bit (330) to rotate and move in the up and down directions. The drill bit (330) passes through a drill bit hole (160) on the base (100). The material blocking member can enable roadbed soil material drilled by the drill bit (330) to approach the middle from both sides of the drill bit (330), thereby completing the burying of the soil material. The device can increase construction efficiency.

Classes IPC  ?

• E01C 3/04 - Fondations réalisées par stabilisation du sol
• E01C 23/10 - Dispositifs ou aménagements pour travailler la surface terminéeDispositifs pour réparer la surface des revêtements endommagés pour relever ou remettre à niveau les revêtements affaissésDispositifs ou aménagements pour travailler la surface terminéeDispositifs pour réparer la surface des revêtements endommagés pour combler les vides sous le revêtementDispositifs ou aménagements pour travailler la surface terminéeDispositifs pour réparer la surface des revêtements endommagés pour introduire des matériaux dans la substructure

Abrégé

Disclosed in the present invention are a back-jacking supporting structure and a construction method therefor. The back-jacking supporting structure of the present invention comprises a back-jacking column, a jacking joint, and a back-jacking base. The supporting height of the jacking joint is set, such that the back-jacking column can abut against the top of a steel structure, the back-jacking column jacks the top of the steel structure in a construction process, and the construction safety is improved. The back-jacking base increases the area of contact between the bottom of the back-jacking column and the bottom of the steel structure, such that the pressure of the back-jacking column on the bottom of the steel structure is dispersed, and the damage to the bottom of the steel structure due to direct action of the pressure of the back-jacking column on the bottom of the steel structure can be prevented. The construction method for the back-jacking supporting structure of the present invention can ensure that the back-jacking column jacks the steel structure in the construction process, reduce the construction difficulty, and improve the construction convenience.

Classes IPC  ?

• E04G 25/02 - Étais ou entretoisesCales non télescopiques
• E04G 25/00 - Étais ou entretoisesCales

Abrégé

A connecting member, an ALC batten mounting node structure, and a prefabricated mounting method are provided. The connecting member includes a connecting part, a first pipe clamp, and a second pipe clamp. The connecting part includes a first connecting segment and a second connecting segment, the first pipe clamp and the second pipe clamp are respectively perpendicular to the first connecting segment, and symmetrically arranged on opposite sides of the first connecting segment, and the second connecting segment is bent towards one side of the first connecting segment.

Classes IPC  ?

• E04B 1/48 - Chevilles, c.-à-d. pièces destinées à pénétrer dans les surfaces de deux parties à assembler et à absorber les efforts de cisaillement
• E04B 1/04 - Structures constituées principalement d'éléments porteurs en forme de blocs ou de dalles les éléments étant en béton, p. ex. en béton armé, ou en un autre matériau pierreux
• E04B 1/24 - Structures comportant des éléments porteurs allongés, p. ex. colonnes, poutres, ossatures les pièces porteuses étant métalliques
• E04B 1/61 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de plaques en contact mutuel

Abrégé

Disclosed in the present invention is a double-deck multi-span bridge construction method. According to the double-deck bridge construction method of the present invention, construction is carried out by using a method of dissembling a support jig frame in a graded and span-separated mode, an upper chord jig frame and a lower chord jig frame can be used in a recycle manner, and construction costs are reduced. In addition, a construction period of building the support jig frame is shortened, and other construction operations can be synchronously carried out on a span in which the jig frame is disassembled, for example, fire retardant coating construction can be carried out on a mounted bridge deck after the jig frame is dissembled, and the construction period of a double-deck multi-span bridge is effectively shortened. Additionally, according to the double-deck multi-span bridge construction method in embodiments of the present invention, the upper chord jig frame and the lower chord jig frame are disassembled in a graded manner, thereby ensuring that a bridge structure can be smoothly and safely transitioned to a designed stress state.

Classes IPC  ?

• E01D 21/00 - Procédés ou appareils spécialement adaptés pour ériger ou assembler des ponts
• E01D 6/00 - Ponts du type en treillis

Abrégé

This invention relates to a method for entire removal of a space truss, and an assistive support mechanism therefor. The assistive support mechanism is arranged on a vertical support rod of a truss structure, the assistive support mechanism comprises an assistive support assembly, a lattice support member, and a conversion platform. The lifting assembly is arranged at a top of the conversion platform and comprises a stranded wire, a lifting member, and a control member. The method for entire removal of a space truss comprises mounting the assistive support mechanism, and performing initial removal of the truss structure; lowering the truss structure; and then performing secondary removal of the entire space truss. The major removal work is done on the ground, thereby reducing the requirement for removal-assisting measures and the operational risks, and improving the working efficiency.

Classes IPC  ?

• E04G 23/08 - Démolition des bâtiments

Abrégé

Disclosed is a steel structure welding device. The steel structure welding device includes a front positioner, a rear positioner, an auxiliary assembly trolley, and a welding robot, the front positioner includes a first base, a first driving device and a first clamping device, the first driving device is capable of driving the first clamping device to rotate relative to the first base, the first clamping device includes a first clamp and a second clamp, and the first clamp and the second clamp are capable of approaching or moving away from each other, the front positioner and the rear positioner are capable of approaching or moving away from each other, the rear positioner includes a second base and a second clamping device, the second clamping device is located on one side of the second base facing the first base.

Classes IPC  ?

• B23K 37/047 - Déplacement des pièces pour ajuster leur position entre les étapes de brasage, de soudage ou de découpage
• B23K 37/02 - Chariots pour supporter l'outillage pour souder ou découper

Abrégé

The present application relates to the technical field of prefabricated buildings, and in particular, to a prefabricated wall structure and a connecting method therefor. The prefabricated wall structure comprises at least two partition boards which are connected by means of a constructional column, the partition boards being fixedly connected to the constructional column by means of connection pieces; the constructional column is a steel member, and the connection pieces are fasteners. According to the present application, the convenience of field processing of partition boards is utilized, and the partition boards and the constructional column are fixedly connected using connection pieces, so as to replace the traditional construction process of a reinforced concrete constructional column and an inner partition wall, thereby avoiding wet operation procedures such as field plastering and pouring, needing no maintenance, and shortening the construction time. Moreover, the partition boards and the constructional column are directly installed using a prefabricated method, providing a simple construction method, effectively shortening the construction period, and better ensuring the construction quality.

Classes IPC  ?

• E04B 2/74 - Cloisons mobiles ne supportant pas de chargeCloisons à bord supérieur libre

Abrégé

Disclosed are a multi-layer bridge construction method and construction supporting system. The construction method comprises bottom-layer bridge construction and upper-layer bridge construction, and specifically comprises: laying a bottom-layer bridge system on the top of a first jig frame; arranging a second jig frame on an outer side of a supporting bridge system; erecting a conversion device on the tops of the second jig frame and the supporting bridge system; and laying a top-layer bridge system on the top of the conversion device. The supporting system comprises a first jig frame, a second jig frame and a conversion device, wherein the conversion device is erected on the tops of the second jig frame and the supporting bridge system, and is used for supporting a top-layer bridge system. In the multi-layer bridge construction method and construction supporting system in the present invention, a conversion device is provided to support the laying of a top-layer bridge system, and upper-layer bridge construction does not need to rely on the mounting of web members. The present invention has high construction efficiency, can be applied to the construction of various types of bridges, and has a wide application range.

Classes IPC  ?

• E01D 21/00 - Procédés ou appareils spécialement adaptés pour ériger ou assembler des ponts

Abrégé

Disclosed are a welding slag clearing device, a welding machine head and a welding system. The welding slag clearing device includes: a mounting frame; a slag crushing mechanism comprising a slag crushing wheel and an adjusting assembly, the slag crushing wheel is connected to the adjusting assembly, the adjusting assembly is connected to the mounting frame, and the adjusting assembly is configured to adjust a longitudinal distance of the slag crushing wheel relative to the mounting frame; and a welding slag recovery mechanism comprising a hollow recovery pipe and a connecting piece used for connecting the recovery pipe with the mounting frame, the recovery pipe is correspondingly arranged right behind the slag crushing mechanism in a transverse direction.

Classes IPC  ?

• B02C 7/12 - Forme ou structure des disques
• B23K 9/32 - Accessoires
• B23K 9/18 - Soudage à l'arc submergé

Abrégé

The present application relates to the technical field of architectural engineering. Disclosed are a slab joint leakage-proof structure of a prefabricated roof panel, a prefabricated roof panel, and a prefabricated roof panel system. The slab joint leakage-proof structure comprises a first leakage-proof layer. The first leakage-proof layer comprises two flexible structures which abut against each other and are arranged at the joint of a main rib on the long side of the roof panel and a main rib on the long side of an adjacent roof panel. Any one of the flexible structures comprises a main body portion sealably attached to the main rib, and at least one protruding portion which is fixedly disposed on the main body portion, protrudes and extends to the joint, and can tightly abut against the other flexible structure. The protruding portions of the two flexible structures can enclose to form an air cavity layer sealably isolated from the outside. The air pressure of the air cavity layer is higher than that of the outside for preventing liquid on the bottom end of the joint from permeating into the air cavity layer and entering a room. The slab joint leakage-proof structure has good waterproof performance. The flexible structures are sealably connected to the main ribs, and are not easy to fall off, and the problem that the waterproof performance is poor due to the fact that a mortar is easy to fall off in an existing waterproof mode of filling the mortar is solved.

Classes IPC  ?

• E04B 1/68 - Étanchéités des joints, p. ex. des joints d'expansion
• E04B 1/684 - Étanchéités des joints, p. ex. des joints d'expansion utilisant des éléments élastomériques préformés
• E04B 7/00 - ToitsStructure des toits en ce qui concerne l'isolation

Abrégé

A robotic welding device employing a flexible guide rail comprises: a control box (2) pre-storing various welding processes and generating a welding parameter; a wire feed mechanism (7) feeding a welding wire to a welding gun (4); a flexible guide rail (8) attached to a welding component with the flexibility thereof; a welding robot comprising a robot body (3) and a welding gun (4), the robot body (3) being movably disposed on the flexible guide rail (8) along the same, and the welding gun (4) being disposed on the robot body (3) and controlled by the same to weld the welding component; a demonstrator (6) signally connected with the welding robot and the control box (2), controlling, a traveling path and an operation position of the welding robot, and adjusting oscillation and welding operations of the welding gun (4) according to an instruction of the control box (2); a remote control terminal (11) signally connected with the control box (2) so as to remotely monitor and configure the welding parameter, and signally connected with a data acquisition device of the welding robot so as to remotely monitor and configure the welding parameter during a welding process; and a welding power supply (1). The device enables automatic welding of a component with straight shape or arc shape.

Classes IPC  ?

• B23K 37/02 - Chariots pour supporter l'outillage pour souder ou découper
• B23K 9/133 - Moyens pour l'alimentation en électrodes, p. ex. tambours, rouleaux, moteurs
• B23K 9/10 - Autres circuits électriques pour le soudage ou le découpage à l'arcCircuits de protectionCommande à distance
• B23K 9/095 - Surveillance ou commande automatique des paramètres de soudage
• B23K 9/16 - Soudage ou découpage à l'arc utilisant des gaz de protection

Abrégé

The present application relates to the technical field of underground structure construction, and specifically relates to an anti-floating anchor cable waterproof structure and a construction method therefor. The anti-floating anchor cable waterproof structure comprises: an anchor cable body, one end of which is buried in a cement grouting body and passes through a concrete cushion layer, a first waterproof coating layer and a first flexible waterproof layer from bottom to top; and a tension member, which is provided on the first flexible waterproof layer and applies a pressing force to the first flexible waterproof layer, wherein the anchor cable body passes through the tension member and is then locked. The first waterproof coating layer and the first flexible waterproof layer are arranged on the concrete cushion layer, and the rigid concrete cushion layer and the flexible first flexible waterproof layer are used in cooperation for waterproofing, which prevents water from leaking when there is a large gap between the concrete cushion layer and the anchor cable body caused by the loosening of the concrete cushion layer during the vertical stretching of the anchor cable body. Once the anchor cable body is stretched, the first flexible waterproof layer may still ensure a tight fit with the anchor cable body, thus ensuring that no groundwater will seep out along the anchor cable body.

Classes IPC  ?

• E02D 31/12 - Dispositions de protection pour les fondations ou ouvrages réalisés par des techniques de fondationMesures dans le cadre des techniques de fondation pour protéger le sol ou l'eau du sous-sol, p. ex. prévention ou neutralisation de la pollution par le pétrole contre la poussée du terrain ou la pression hydraulique contre la poussée hydraulique vers le haut

Abrégé

The present disclosure relates to the technical field of production of H-shaped steel and discloses a production line of H-shaped steel and a production method. By arrangement of the assembly zone in which a welding line is arranged and the welding zone in which a welding line is arranged, a process layout of assembly and welding flow type machining production line can be formed. Assembly and welding of a stiffening plate are operated independently, and a carrying robot, a spot welding robot and a welding robot are movable between stations. A transfer device transfers an H-shaped workpiece in the process of feeding, machining and discharging, thereby implementing flow type machining, which can effectively improve machining efficiency. Through the production method, the assembly and welding flow type machining of the stiffening plate can be implemented, thereby effectively improving machining efficiency.

Classes IPC  ?

• B23K 31/02 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs au brasage ou au soudage
• B23K 37/047 - Déplacement des pièces pour ajuster leur position entre les étapes de brasage, de soudage ou de découpage

Abrégé

A cumulative lifting method for a large-span unequal-height bidirectional curved surface grid, aiming at solving the problems in the prior art that construction methods commonly used for a large-span space bidirectional curved surface grid require many support measures, have a low construction efficiency and have a high construction cost; and the technical points of the cumulative lifting method lie in comprising the following steps: S1, performing calculation and analysis before construction; S2, performing calculation and control in construction; S3, installing a vertical supporting grid; S4, assembling a bidirectional curved surface grid; S5, providing lifting points; S6, performing cumulative lifting; and S7, installing fittings. The installation method of the present invention provides a compact structure, an industrialized assembly mode, a short installation period, and high operation flexibility.

Classes IPC  ?

• E04G 21/14 - Transport ou assemblage des éléments de construction
• E04B 1/342 - Structures couvrant une vaste surface dégagée, qu'elles soient ou non ouvertes sur le côté, p. ex. hangars, halls

Abrégé

A method for the entire removal of a space truss, and an assistive support mechanism therefor. The assistive support mechanism is provided on a vertical support rod (11) of a truss structure (1), and comprises an assistive support assembly (2) and a lifting assembly (3). The assistive support assembly (2) comprises a support platform (21), a lattice support member (22) provided on the support platform (21), and a conversion platform (23) provided at the top of the lattice support member (22). The lifting assembly (3) is provided at the top of the conversion platform (23), and comprises a stranded wire (31) for fixing the truss structure (1), a lifting member (32) for driving the stranded wire (31) to move up and down, and a control member for controlling the lifting member (32). The method for the entire removal of a space truss comprises: providing an assistive support mechanism directly on an existing vertical support mechanism, performing primary removal of a truss structure (1) in the sky, separating the truss structure (1) from a vertical support rod (11), using a lifting member (32) so as to lower the truss structure (1) stably to the ground, and then performing secondary removal of the entire truss, such that the main removal work is done on the ground, thereby reducing the need to remove assistive means, and operational risks, and improving working efficiency.

Classes IPC  ?

• E04G 23/08 - Démolition des bâtiments
• E01D 24/00 - Procédés ou appareils pour le démantèlement des ponts

Abrégé

A welding control method and a welding control system. The welding control method comprises acquiring parameter information of a welding groove; then, according to the acquired parameter information, calling welding control parameters that correspond to the parameter information and generating a welding control program; and finally, using the welding control parameters and the welding control program to control a welding robot to perform a welding operation on the welding groove.

Classes IPC  ?

• B23K 37/02 - Chariots pour supporter l'outillage pour souder ou découper
• B23K 37/00 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe

Abrégé

A steel structure welding device comprises: a front positioner (100), the front positioner (100) comprising a first base (110), a first driving apparatus (120), and a first holding apparatus (150), wherein a first clamp (155) and a second clamp (157) of the first holding apparatus (150) are capable of approaching or moving away from each other; a rear positioner (300), wherein the front positioner (100) and the rear positioner (300) are capable of approaching or moving away from each other, the rear positioner (300) comprising a second base (310) and a second holding apparatus (360), the second holding apparatus (360) comprising a third clamp (365) and a fourth clamp (367), wherein the third clamp (365) and the fourth clamp (367) are capable of approaching or moving away from each other; an auxiliary assembly trolley (200), the auxiliary assembly trolley (200) comprising a trolley body (220), a jacking apparatus (210), and an alignment apparatus (240), and the alignment apparatus (240) comprising a third driving apparatus, a first alignment block (245), and a second alignment block (247); and a welding robot (500), the welding robot (500) comprising a manipulator (520) and a welding head (530).

Classes IPC  ?

• B23K 31/02 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs au brasage ou au soudage
• B23K 37/047 - Déplacement des pièces pour ajuster leur position entre les étapes de brasage, de soudage ou de découpage

Abrégé

Disclosed are a welding slag clearing device, a welding machine head and a welding system. The welding slag clearing device comprises: a mounting frame (10); a slag crushing mechanism (20), comprising a slag crushing wheel (21) and an adjusting assembly (22), with the adjusting assembly (22) being used for adjusting a longitudinal distance of the slag crushing wheel (21) relative to the mounting frame (10); and a welding slag recovery mechanism (30), comprising a hollow recovery pipe (31), with the recovery pipe (31) being correspondingly arranged right behind the slag crushing mechanism (20) in the transverse direction thereof. The slag crushing mechanism (20) is used for crushing welding slag, and the welding slag recovery mechanism (30) is used for recovering the welding slag crushed by the slag crushing mechanism (20), such that automatic clearing of the welding slag is achieved. Further disclosed is a welding machine head having the welding slag clearing device, wherein the slag crushing wheel (21) is correspondingly located right behind a welding flux recovery pipe (60) in the transverse direction thereof, such that welding, welding flux recovery and online clearing of the welding slag can be achieved, manpower can be freed up, and the per capita work efficiency is effectively improved. Further disclosed is a welding system having the welding machine head.

Classes IPC  ?

• B23K 9/32 - Accessoires

Abrégé

An H-shaped steel production line and a production method. An assembly line (21) is provided in an assembly area (20), and a welding line (31) is provided in a welding area (30), so as to form a process layout of an assembly and welding pipelining processing production line. The assembly and welding procedures of a stiffening plate (B) are independently operated, a carrying robot (23), a spot welding robot (22) and a welding robot (32) can move between stations, and a transfer device (40) achieves the transportation of an H-shaped workpiece (A) in loading, processing and unloading processes, thereby forming pipelining processing.

Classes IPC  ?

• B23K 31/02 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs au brasage ou au soudage
• B23K 37/00 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe

Abrégé

Disclosed are a cable-supported large-span structure and a construction method therefor. The cable-supported large-span structure comprises a primary bearing structure (1) and a secondary bearing structure (2), wherein the primary bearing structure (1) comprises vertical force-bearing members (11) and a horizontal force-bearing member (12) fixed at the top ends of the vertical force-bearing members (11); the horizontal force-bearing member (12) is erected on at least two vertical force-bearing members (11); the secondary bearing structure (2) comprises at least one cable-supported assembly (21); each stage of cable-supported assembly (21) comprises a stay cable (211), and a mast (212) vertically arranged on the horizontal force-bearing member (12); and one end of each of the stay cables (211) is fixed to a fixing member (3) or the horizontal force-bearing member (12), and the other end thereof is fixed to the horizontal force-bearing member (12) by means of the top of the mast (212). The secondary bearing structure (2) is arranged on the primary bearing structure (1), and the horizontal force-bearing member (12) is pulled up using the stay cables (211), such that the stability of the horizontal force-bearing member (12) is ensured. A structural system and a building effect can be integrated, such that a cable structure and other structures can be combined in an innovative way in order to exert their respective advantages, and a one-stage cable-supported assembly or a multi-stage cable-supported structure can be arranged according to the building form and the structure bearing condition.

Classes IPC  ?

• E04B 1/342 - Structures couvrant une vaste surface dégagée, qu'elles soient ou non ouvertes sur le côté, p. ex. hangars, halls
• E04B 1/34 - Structures particulières, p. ex. avec des parties suspendues ou en encorbellement supportées par des poteaux ou des structures analogues à des tours, renfermant des ascenseurs ou des escaliersConstructions en généralStructures qui ne sont limitées ni aux murs, p. ex. aux cloisons, ni aux planchers, ni aux plafonds, ni aux toits caractéristiques relatives à la stabilité élastique

Abrégé

Provided are a double-curved arc-shaped large-span steel truss and manufacturing method thereof, the truss comprises two landing section Y-shaped columns (1), a first truss and a second truss, the vertical faces where the two landing section Y-shaped columns (1) are located serve as symmetrical faces, the first truss and the second truss are symmetrically arranged along the symmetrical faces, the ends of the same sides of the first truss and the second truss are connected with the landing section Y-shaped columns (1) on the same sides respectively, the first truss and the second truss respectively comprise a single-curved truss (4), a double-curved truss (3) and a transition section bending and twisting box body (2), the two ends of the single-curved truss (4) are outwards sequentially connected with the double-curved truss (3) and the transition section bending and twisting box body (2). The method includes: manufacturing preparation in sections; after each section of the truss is manufactured, performing entity pre-assembly; using 3D scanning technology to scan the entity model of each section of the truss, after data processing, using computer aids to perform simulation pre-assembly; the scanned model is assembled and compared with the theoretical computer model, the error between the simulation pre-assembly and entity pre-assembly detection results is within 2mm, assembling each section of the truss by the simulation pre-assembly. This method reduces the difficulty of installation, controls welding deformation, improves the dimensional accuracy of the components, ensures the manufacturing and assembly accuracy, and improves the work efficiency.

Classes IPC  ?

• E04C 3/04 - PoutrellesSolives, fermes ou structures analogues à des fermes, p. ex. préfabriquéesLinteauxTraverses métalliques