A method for mutually positioning tubes. End faces, which includes a generally annular and generally circular end surface near an inner surface of the tube and a beveled edge surface connecting the end surface to an outer surface of the tube, are provided on first and second tubes, respectively. Plural clamping cylinders are engaged with the first and second tubes, respectively. Each cylinder is radially arranged onto and evenly distributed around respective tubes. The first and second tubes are pre-positioned relative to each other such that their respective end faces are opposite each other. At least one radial offset is assessed between the respective end surfaces of the first and second tubes. The clamping cylinders of the first and/or second tube are moved relative to each other in accordance with the assessed radial offset based on an optimization of areas in which their respective end surfaces coincide.
B66F 3/00 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads
B23Q 16/00 - Equipment for precise positioning of tool or work into particular locations not otherwise provided for
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
2.
METHOD FOR ABUTTING PARTS FORMED, AT LEAST IN PART, AS HOLLOW PROFILES
In order to abut hollow profiled parts, at least two frames (2) equipped with actuators (5) distributed in an equivalent manner to one another are provided. Each actuator has a portion which can be displaced in a plane common to the other actuators of the frame so as to project from said frame (2); the frames are each positioned in an end region of a respective part (210; 220). The equivalent actuators (5) are mutually opposed; the mobile portions of the actuators (5) of one frame and of the actuators (5) of the other frame are displaced into respective working positions, in which they exert forces on the wall of their respective part so that the end regions of these parts (210; 220) match one another; the parts are fixed to one another in their respective end region.
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
F16L 1/09 - Accessories therefor, e.g. anchors for bringing two tubular members closer to each other
3.
DEVICE FOR AIDING THE WORKING OF LARGE MECHANICAL PARTS
A device for aiding the working of large mechanical parts comprises a first flange (110) and a second flange (120) for holding in position a first part (210) and second part (220). Each flange (110; 120) comprises a support (2) and actuators (5) which can be controlled individually and each have a mobile portion. The actuators (5) are mounted on their respective support (2) in such a way that their mobile portions are displaceable substantially in the same plane so as to project from the support (2) in question. The actuators (5) of the second flange (120) are mounted on the second support (2) in an equivalent manner to the actuators (5) of the first flange (110). The first flange (110) and the second flange (120) are connected to one another with the possibility of relative displacement under the action of additional actuators (300, 310). This displacement includes at least a component of translation substantially perpendicular to the common planes of the mobile portions of the actuators (5).
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
F16L 1/10 - Accessories therefor, e.g. anchors for aligning
The invention relates to a method for mutually positioning tubes. In said method, and end face, which includes a generally annular and generally circular end surface (101, 201) near an inner surface (102, 202) of the tube (100) and a beveled edge surface (103A, 203A) connecting the end surface (101, 201) to an outer surface (105, 205) of the tube, is provided on a first tube (100) and on a second tube (200), respectively. A plurality of clamping cylinders are engaged with the first tube (100) and with the second tube (200), respectively. Each cylinder is radially arranged onto the respective tube thereof, and the cylinders are evenly distributed around the respective tubes (100, 200) thereof. The first and second tube are pre-positioned relative to each other such that the respective end faces thereof are opposite each other. At least one radial offset (H, H') is assessed between the respective end surfaces or end edges of the first and second tube. The clamping cylinders of the first and/or second tube are moved relative to each other in accordance with the assessed radial offset(s) (H, H') on the basis of an optimization of the areas in which the respective end surfaces or end edges of said tubes coincide.
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
The present invention provides a method of positioning a first pipe facing a second pipe, the end of the first pipe being provided with a first chamfer and a first substantially annular surface placed close to its inside surface, the end of the second pipe being provided with a second chamfer and with a second substantially annular surface located close to its inside surface, said first and second annular surfaces defining a joint plane substantially perpendicular to the longitudinal axes of each of said pipes. According to the invention, a plurality of clamping actuators regularly distributed around the first and second pipes are used and controlled to shift the second pipe relative to the first pipe parallel to said joint plane as a function of a radial offset H, H′ between the first and second annular surfaces so as to guarantee a maximum facing area, referred to as a “coincidence” area for said annular surfaces.
The invention relates to a device for assisting the butt-joining of tubular parts by welding, the device including a support shaft 10, a pair of flanges 1, 2 mounted on the support shaft 10 and that are actuatable between a clamping state in which said two flanges can engage with the respective inner surfaces of a first and second tubular part 11, 12, and a released state, at least one grinding wheel 5 rotatably mounted on the support shaft 10 spaced apart from the first and second flanges, and at least one movement means 21, 22 secured to the support shaft 10. The pair of flanges is initially clamped onto the first tubular part and the second tubular part, respectively, in a first axial position of the shaft, suitable for firmly holding said tubular parts to be butted against one another in a position that is suitable for creating a welding seam between the first tubular part and the second tubular part. The movement means 21, 22 is operational after welding and the pair of flanges is at least partially located in the released position, in order to move the support shaft 10 into the first and/or second tubular part 11, 12 such as to move said grinding wheel closer to said welding seam. The support shaft 10 is held fixedly in said new position relative to at least one of the two welded tubular parts and the grinding wheel 5 is actuated so as to grind and/or plane down the welding seam and/or the adjacent region thereof on the inner surface of one or both of the first and second tubular parts.
B23K 37/02 - Carriages for supporting the welding or cutting element
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
B24B 5/40 - Single-purpose machines or devices for grinding tubes internally
A mechanical system for automatic guiding of one or more torches of a welding unit in a groove delimited by chamfered end surfaces of two metal parts to be welded together, including a main carriage moving along a stationary guide relatively parallel to the groove, a secondary carriage that is connected to the main carriage by a hinged linking assembly and that includes a torch supporting unit and a guiding device including bearing members in contact with the surfaces of the metal parts bordering the groove and sensing members that enter the groove. The hinged linking assembly includes three pivoting axis.
B23K 9/12 - Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
B23K 9/127 - Means for tracking lines during arc welding or cutting
B23K 37/02 - Carriages for supporting the welding or cutting element
8.
System for identifying joints of elements to be assembled intended for forming an assembly such as, in particular, a pipeline or a tank, and identification method used in such a system
A system for identifying elements involved in joints of elements configured to form a duct, such as a pipeline, which works on element identifiers for an element identification code. The system includes an element identifier reader and a management device for supplying by a combination device the joint identification codes between two elements according to element identification codes of the two elements. The system is also useful for production of tanks for hydrocarbon by-products and for control and maintenance, for example, of pipeline networks and tanks.
G06F 17/00 - Digital computing or data processing equipment or methods, specially adapted for specific functions
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
The invention relates to a method for the axial positioning of a first pipe in relation to a second pipe in order to weld said pipes at the ends thereof, the faces of which are first machined and define a sealing surface. According to the invention, a plurality of jacks (1, 2) are distributed around the first and second pipes, said jacks (1, 2) being connected to a central processing and control unit. The movement of each of the jacks (1, 2) in relation to the external surfaces of the first and/or second pipe is controlled in order to align and centre the internal end surfaces of the first and second pipe. The invention also relates to an associated device.
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
B23Q 3/18 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine for positioning only
F16L 1/10 - Accessories therefor, e.g. anchors for aligning
G01B 21/24 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes for testing the alignment of axes
Clamp for mechanical parts such as tubes or pipes, comprising a flange (5) with parts (13A, 13B, 13C) connected to one another so as to be pivotable as far as a closed position in which they are continuous. A locking device may be actuated when the flange is closed. The clamp further comprises supports (55; 57) by which rails (49) are connected to the parts with limited freedom of relative movement. The adjacent end faces of the rails have mating surfaces forming a connection by positive locking, which is active in the vicinity of the closed position. Each connection guides the end faces relative to one another into a working position in which the rails (49) form a guide path for tools, and helps to maintain this position when the clamping device is actuated.
This invention relates to a method for axial positioning of a first pipe with respect to a second pipe for the welding of said pipes at their ends thereof of which the faces have been previously machined and define a joint plane, according to which a plurality of jacks are distributed around the first and second pipes, and said jacks are connected to a central processing and control unit.
According to the invention, the movement of each of the jacks is controlled with respect to said external surface of the first and/or second pipe so as to align and center the internal end surfaces of the first and second pipes. The invention also relates to an associated device.
B23K 37/04 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
12.
DEVICE PROVIDING ASSISTANCE IN THE WORKING OF MECHANICAL PARTS, INCLUDING A GUIDE TRACK COMPRISING MULTIPLE COMPONENTS
The invention relates to a device providing assistance in the working of mechanical components, such as pipes, including a plate (5) comprising parts (13A, 13B, 13C) assembled together such that they can pivot to occupy a closed position in which they are joined to one another. A clamping device can be actuated when the plate is closed. The flange also comprises supporting elements which are used to connect rails (49) to the parts with limited relative movement therebetween. The adjacent end faces of the rails (49) include corresponding surfaces that are shaped to co-operate and establish a connection as the plate moves into the closed position. Each connection: guides the end faces in relation to one another and into a working position in which the rails (49) form a guide track for the tools, and assists in maintaining said position when the clamping device is actuated.
B23K 9/028 - Seam weldingBacking meansInserts for curved planar seams
B23K 37/02 - Carriages for supporting the welding or cutting element
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
13.
DEVICE PROVIDING ASSISTANCE IN THE WORKING OF PIPES, INCLUDING MULTIPLE COMPONENTS HAVING CORRESPONDING SURFACES AND A CATCH
The invention relates to a device providing assistance in the working of pipes, including: a plate (5) having an internal cavity and comprising parts (13A, 13B, 13C) assembled together such that they can pivot to occupy a closed position in which they are joined to form a ring; and a plate locking device. The adjacent ends of two plates (13A, 13B, 13C) include corresponding surfaces that are shaped to co-operate and establish a connection as the plate (5) moves into the closed position. Each connection comprises two complementary surfaces (37) that come into contact with one another in the closed plate position. The locking device comprises at least one catch which can be actuated in said position and which acts on the adjacent ends of the plates (13A, 13B, 13C) in order to clamp the complementary contact surface against one another.
B23K 37/02 - Carriages for supporting the welding or cutting element
B23K 37/053 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical workClamping devices therefor
B25B 27/16 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same abutted flanges
14.
IMPROVED WELDING DEVICE INCLUDING A CARRIAGE AND TWO ACTUATORS FOR ORIENTING A WELDING HEAD
The invention relates to a welding device for the weld-assembly of first and second parts along a weld joint, said parts defining therebetween a sealing surface. The device comprises: a supporting means (2) which can be used to move the device along the weld joint; at least one welding means (4) co-operating with the supporting means (2) so as to be maintained at a distance from the weld joint; and automatic command and control means, in particular for use with the supporting means (2). The at least one welding means is mounted on a single supporting element (3) oriented substantially parallel to the sealing surface. In addition, the device comprises: a first motorised actuator (5) secured to the supporting movement means (2) and provided with a first projection (51) co-operating with an open housing (61) in a first end face of the single supporting element (3); and a second motorised actuator (6) secured to the supporting means (2) and provided with a second projection co-operating with an open housing in a second end face of the single supporting element (3), such that the first and second projections can be moved in a plane substantially perpendicular to the sealing surface and generate the controlled movement of the supporting element (3) of the welding means (4).
B23K 37/02 - Carriages for supporting the welding or cutting element
B23K 9/167 - Arc welding or cutting making use of shielding gas and of a non-consumable electrode
B23K 9/173 - Arc welding or cutting making use of shielding gas and of consumable electrode
15.
Orbital carrier comprising at least two components in the form of segments of a circle able to be connected together; device for butt-welding pipes to form a pipeline comprising such an orbital carrier
The invention relates to an orbital carrier (2) for a device for butt-welding pipes (C, C) to form a pipeline, said device comprising at least one welding carriage (1) supporting at least one welding head (6) which has at least one welding torch, said orbital carrier (2) surrounding the pipes (C, C) to be welded and being designed to enable positioning and movement in the plane of the joint between the pipes (C, C) of said welding carriage or carriages (1), and said orbital carrier (2) also being movable translationally along the pipeline as it grows. The invention consists in the fact that said orbital carrier (2) consists of at least two components (20) in the form of segments of a circle able to be connected together to form the orbital carrier (2) around the pipes (C, C) during a welding phase and also to allow said orbital carrier (2) to be opened, at least at the top, to allow it to pass an obstruction on the outside of the pipe (C, C). Application: the welding of pipes (C, C).
SYSTEM FOR IDENTIFYING JOINTS OF ELEMENTS TO BE ASSEMBLED INTENDED FOR FORMING AN ASSEMBLY SUCH AS, IN PARTICULAR, A PIPELINE OR A TANK, AND IDENTIFICATION METHOD USED IN SUCH A SYSTEM
A system for identifying elements involved in joints of elements configured to form a duct, such as a pipeline, which works on element identifiers for an element identification code. The system includes an element identifier reader and a management device for supplying by a combination device the joint identification codes between two elements according to element identification codes of the two elements. The system is also useful for production of tanks for hydrocarbon by-products and for control and maintenance, for example, of pipeline networks and tanks.
B65D 90/00 - Component parts, details or accessories for large containers
F16L 1/00 - Laying or reclaiming pipesRepairing or joining pipes on or under water
F16L 13/00 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
F16L 55/00 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
G06K 7/00 - Methods or arrangements for sensing record carriers
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
17.
AUTOMATIC MECHANICAL GUIDE SYSTEM FOR ONE OR MORE WELDING UNIT TORCHES WITH THREE PIVOT AXES FOR THE TORCH(ES)
A mechanical system for automatic guiding of one or more torches of a welding unit in a groove delimited by chamfered end surfaces of two metal parts to be welded together, including a main carriage moving along a stationary guide relatively parallel to the groove, a secondary carriage that is connected to the main carriage by a hinged linking assembly and that includes a torch supporting unit and a guiding device including bearing members in contact with the surfaces of the metal parts bordering the groove and sensing members that enter the groove. The hinged linking assembly includes three pivoting axis.
The present invention concerns an automatic welding device of MIG/MAG type consisting of at least one carriage holding at least one welding head comprising at least one torch (1) guiding a consumable electrode wire along a parting plane (P) between the pipes to be welded, which brings the current to the end of the electrode wire in order to generate an electric arc and ensure melting of the filler metal,
The invention consists of the fact that the welding head therefore presents a welding torch (1) intended to be centered in relation to the parting plane (P) to ensure the penetration pass and also bears at least two other so-called tracking welding torches (2, 3), respectively positioned one after the other following the first so-called central welding torch (1) and offset respectively on both sides of the so-called central torch (1) in order to make lateral passes.
Application to the welding of metal pipes in order to form pipelines.
B23K 9/10 - Other electric circuits thereforProtective circuitsRemote controls
19.
ORBITAL CARRIER COMPRISING AT LEAST TWO COMPONENTS IN THE FORM OF SEGMENTS OF A CIRCLE ABLE TO BE CONNECTED TOGETHER; DEVICE FOR BUTT-WELDING PIPES TO FORM A PIPELINE COMPRISING SUCH AN ORBITAL CARRIER
The invention relates to an orbital carrier (2) for a device for butt-welding pipes (C, C) to form a pipeline, said device comprising at least one welding carriage (1) supporting at least one welding head (6) which has at least one welding torch, said orbital carrier (2) surrounding the pipes (C, C) to be welded and being designed to enable positioning and movement in the plane of the joint between the pipes (C, C) of said welding carriage or carriages (1), and said orbital carrier (2) also being movable translationally along the pipeline as it grows. The invention consists in the fact that said orbital carrier (2) consists of at least two components (20) in the form of segments of a circle able to be connected together to form the orbital carrier (2) around the pipes (C, C) during a welding phase and also to allow said orbital carrier (2) to be opened, at least at the top, to allow it to pass an obstruction on the outside of the pipe (C, C). Application: the welding of pipes (C, C).
patents
