A double-wall spiral welded pipe includes a first steel belt layer and a second steel belt layer which have equal widths, are arranged in parallel and align with each other; at least two supporting steel bars perpendicular to the first steel belt layer and the second steel belt layer are arranged between the first steel belt layer and the second steel belt layer; the supporting steel bars are arranged on end parts of two sides of the first steel belt layer and the second steel belt layer and extend together with the first steel belt layer and the second steel belt layer; and the first steel belt layer, the second steel belt layer and the supporting steel bars on the end parts of the two sides are mutually welded to form a double-layer composite steel belt with a rectangular section in an extending direction.
F16L 9/16 - Rigid pipes wound from sheets or strips, with or without reinforcement
F16L 9/18 - Double-walled pipesMulti-channel pipes or pipe assemblies
B23K 31/02 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to soldering or welding
A corner connecting structure for a box-like pipeline or container of corrugated steel plates comprises a pipeline formed by assembling corrugated steel wall plates. The planes of every two adjacent corrugated steel wall plates intersect along a straight line, and the corrugation directions of the corrugated steel wall plates are perpendicular to the line of intersection. At least one corrugated steel wall plate is composed of a first corrugated steel plate and a second corrugated steel plate, of which the corrugation directions are perpendicular to the line of intersection. An end surface of the first corrugated steel plate perpendicular to the corrugation direction and coplanar with the line of intersection intersects and is fixed to the second corrugated steel plate, and is then attached and connected to the adjacent corrugated steel wall plate through the second corrugated steel plate.
Disclosed is an underground pipeline having a two-in-one support pile and pipeline wall, comprising pipe joints which are composed of a top plate, a bottom plate and two side plates; adjacent pipe joints are spliced in the axial direction to form pipe racks; and lower ends of the two side plates extend downward and insert into a soil foundation, and simultaneously serve as a support pile and a pipeline wall. In the present invention, a traditional support structure is replaced with a steel plate structure, which not only has a supporting effect but also serves as a pipe rack side wall, thus greatly reducing fabrication costs, significantly reducing the construction volume, and shortening the construction period.
E02D 29/05 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
E02D 17/08 - Bordering or stiffening the sides of ditches or narrow shafts for foundations
A corrugated panel punching apparatus, comprising a puncher (1), a support base (4) provided below the puncher, and a conveying apparatus (10) used for conveying a corrugated panel. The support base comprises a sliding base (5) and a sliding groove (6). The sliding base slides on the sliding groove in the direction of the corrugations of the corrugated panel. The upper surface of the sliding base is arced or corrugated and is identical in radian to the corrugated plate. The corrugated plate punching apparatus is capable of implementing the simultaneous punching of multiple holes on the corrugated plate, is capable of implementing the simultaneous punching of holes on the top of the corrugations and at the bottom of the corrugations, allows punching and conveyance to be performed simultaneously, and provides high punching efficiency. The corrugated plate punching apparatus has strong structural stability, the corrugations are not prone to shifting when being punched, and the quality of the punched holes is high.
Disclosed is a hole-punching device for an arc-shaped corrugated plate, the hole-punching device comprising: an arc-shaped support (1), hole-punching machines (2) and a pressing device (3). The hole-punching machines are arranged on one side of the arc-shaped support, and the number and the distance of the hole-punching machines are identical to the number and the distance of threaded holes needing to be punched. According to the hole-punching device for an arc-shaped corrugated plate, punching a hole on a corrugated plate rolled into an arc shape may be achieved, the problem of side hole deformation caused by a traditional hole-punching and rolling means is prevented, and a plurality of holes may be punched at the same time, the hole-punching efficiency is high, and the hole forming quality is high.
Disclosed is a production method for an arch-shaped corrugated steel plate wall of an assembly-type steel structure pipe rack. By means of first welding corrugated steel plates of an assembly-type steel structure pipe rack and then bending same into an arch shape, the overall camber and the gradient of two end faces of the corrugated steel plates are consistent, thereby facilitating assembly and welding of flanges. The method can avoid the nonuniformity of welding seams of contact faces and difficulty in welding due to inconsistent inclination angles of the end faces of the corrugated steel plates during flange welding.
B23P 15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
7.
CORNER CONNECTION STRUCTURE FOR PIPELINE OR CONTAINER HAVING BOX-SHAPED STEEL CORRUGATED PLATE STRUCTURE
A corner connection structure for a pipeline or container having a box-shaped steel corrugated plate structure. The pipeline or container is assembled from corrugated steel plate wall plates (2), plate surfaces of two adjacent corrugated steel plate wall plates (2) intersect, an intersecting line thereof is a straight line, and corrugated patterns of the corrugated steel plate wall plates are perpendicular to the intersecting lines. At least one corrugated steel plate wall plate (2) is composed of a first corrugated steel plate (1) and a second corrugated steel plate (3), corrugation patterns of the first corrugated steel plate (1) and the second corrugated steel plate (3) being perpendicular to an intersecting line. An end surface of the first corrugated steel plate (1) that is perpendicular to the direction of the corrugation pattern and coplanar with the intersection line intersects with and is abuttingly fixed to the second corrugated steel plate (3), and is then attached and connected to an adjacent corrugated steel plate wall plate (2) by means of the second corrugated steel plate (3). The first corrugated steel plate (1) is a main plate of the corrugated steel plate wall plate (2), and the second corrugated steel plate (3) is an end corrugated flange of the first corrugated steel plate (1).
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
A box steel structure pipe corrugated steel plate, formed by bending an arched corrugated steel plate. The bent steel plate comprises two or three arched bending surfaces (1); the bending surfaces (1) are respectively used as the top plate, bottom plate, or side plate of a box steel structure pipe. Also provided is a steel structure cable utility tunnel using the box steel structure pipe corrugated steel plate.
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
Provided is a corrugated steel sheet rolling punching machine, wherein, two roller shafts, an upper roller shaft (2) and a lower roller shaft (3), are arranged in the advancing direction of a corrugated steel sheet (1), the roller shafts are distributed along the upper and lower sides of the corrugated steel plate, the axes of the roller shafts are parallel to each other and are located in the same vertical plane, the plane is perpendicular to the plane where the corrugated steel plate is located, a gear hobbing (4) is provided on the periphery of the roller shafts, the gear hobbing comprises a crest (5) and a tooth valley (6), and a punch (7) or a hole groove (8) is respectively arranged on the crest and the tooth valley at the end part of both ends of the upper roller shaft and the lower roller shaft, wherein the punch and the hole groove are distributed on the crest and the tooth valley of the gear hobbing at intervals, wherein the punch of the upper gear hobbing corresponds to the hole groove of the lower gear hobbing, and the hole groove of the upper gear hobbing corresponds to the punch of the lower gear hobbing. The corrugated steel plate rolling punching machine is simple in structure and high in efficiency, reduces the working procedures, saves the operation time, and the formed hole position precision is high, which is conducive to the subsequent splicing between various sheets.
Disclosed is a fabricated anti-floating device for a steel structure pipe gallery, the fabricated anti-floating device comprising a corrugated steel plate wing plate (1). One end of the wing plate (1) is fixed to the bottom-left corner and/or the bottom-right corner of the steel structure pipe gallery, and the corrugated shape of the wing plate (1) and the position of a bolt hole are consistent with outwardly folded corrugated flange edges (2, 3) of a corrugated steel plate wallboard of the pipe gallery. Three plates, the wing plate (1) and wallboard flanges, are laminated together by using a bolt, the weight of backfill at the upper portion of the wing plate (1) serves as balance weight, and the pipe gallery is prevented from floating upward.
E02D 31/12 - Protective arrangements for foundations or foundation structuresGround foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
11.
CORNER CONNECTION STRUCTURE FOR STEEL-STRUCTURE PIPE RACK
A corner connection structure for a steel-structure pipe rack, said structure cutting an end portion of a top plate (1) into a horizontal end portion, and aligning same with a horizontal top portion of a side plate (2), and using a flange (4) to connect and fix the two. The side plate (2), the top plate (1) and a bottom plate (3) of the pipe rack are all corrugated steel plates, and the corrugation directions of the corrugated plates at the top portion of the side plate (2) and at the end portions of the top plate (1) and the bottom plate (3) are all perpendicular to the horizontal top portion or end portion. The corner connection structure for a steel-structure pipe rack can facilitate machining, and can save the lateral space of a multi-compartment pipe rack.
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
12.
CIRCUMFERENTIAL SEAM SEALING STRUCTURE OF UNDERGROUND INTEGRATED PIPE GALLERY
Disclosed is a circumferential seam sealing structure of an underground integrated pipe gallery. The sealing structure comprises a circumferential sealing gasket (1), an axial sealing gasket (2), a pressing plate (3), and a bolt. The circumferential sealing gasket is disposed between vertical bent edges (51) of steel angle flanges (5) of two pipe gallery sections at the circumferential seam. Both the steel angle flanges and the circumferential sealing gasket are provided with a bolt through hole, and a bolt passes therethrough to connect and tighten the steel angle flanges to the circumferential sealing gasket. The axial sealing gasket is provided on two axial bent edges (52) of the steel angle flanges parallel to an axis of the pipe gallery. The pressing plate is pressed on the axial sealing gasket. Both the pressing plate and the axial bent edges are provided with a bolt through hole, and a bolt passes therethrough to connect the pressing plate to the axial bent edges, so as to tighten the axial sealing gasket. The axial sealing gasket can be removed and replaced in the event that the sealing structure leaks or the sealing gasket fails, thereby ensuring lasting leak prevention effects at the seam.
E02D 29/16 - Arrangement or construction of joints in foundation structures
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
13.
STEEL LONGITUDINAL SEAM SEALING STRUCTURE OF UNDERGROUND INTEGRATED PIPE GALLERY
A steel longitudinal seam sealing structure of an underground integrated pipe gallery. The structure comprises a rubber gasket (1), a pressing plate (2), and a bolt (3). Each of the rubber gasket (1), the pressing plate (2), and bent flange edges (41) at the longitudinal seam of the pipe gallery is respectively provided with a through hole. The pressing plate (2) presses the rubber gasket (1) on two bent edges (41) of a longitudinal flange (4). The bolt (3) passes through the respective through holes of the pressing plate (2), the rubber gasket (1), and the bent flange edges (41), and tightens the pressing plate (2) and the rubber gasket (1) on the bent edges (41) of the longitudinal flange. An original rubber gasket of the sealing structure can be removed and replaced with a new rubber gasket in the event of a leak or when the rubber gasket fails due to aging, so as to achieve re-sealing.
E02D 29/16 - Arrangement or construction of joints in foundation structures
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
14.
SINGLE-COMPARTMENT UTILITY TUNNEL AND ASSEMBLED MULTI-COMPARTMENT UNDERGROUND COMPREHENSIVE UTILITY TUNNEL
A single-compartment utility tunnel (1), being formed in a box-shaped structure by assembling a top plate (102), a bottom plate (101) and two side plates (103); one side plate (103) of the single-compartment utility tunnel (1) is a straight plate, and the remaining three plates are all arched outwardly; or two side plates (103) are straight plates, and the top plate (102) and the bottom plate (101) are arched outwardly. Also disclosed is an assembled multi-compartment underground comprehensive utility tunnel, which is formed by two or more single-compartment utility tunnels (1) arranged in parallel in the horizontal direction, adjacent side plates (103) of adjacent single-compartment utility tunnels (1) are straight plates, and the top plate (102) and the bottom plate (101) of the whole utility tunnel and the outer side plates (103) of the single-compartment utility tunnels (1) at the most outside are all arched outwardly.
E02D 29/045 - Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location lineMethods of making them
patents
