CN111331283B

CN111331283B - Welding platform

Info

Publication number: CN111331283B
Application number: CN201911142318.2A
Authority: CN
Inventors: 刘飞香; 刘在政; 李德平; 彭正阳; 姚满; 彭帅; 李政; 任锦江; 唐露; 容锦; 王冰
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2022-06-10
Anticipated expiration: 2039-11-20
Also published as: CN111331283A

Abstract

The invention provides a welding platform, comprising: a work platform configured to be adapted to be connected to a tubular; the hoisting mechanism is arranged on the working platform; the positioning seat is connected with the suspension end of the hoisting mechanism and is configured to be suitable for positioning a to-be-welded part, and the hoisting mechanism is configured to be capable of driving the positioning seat to move in the pipe fitting relative to the working platform. Make the positioning seat with treat that the weldment can move in the pipe fitting work platform relatively to in will accomplish the welded weldment and transport the assigned position in the pipe fitting, thereby avoided the user to go deep into to carry out the welding process in the pipe fitting, optimized user's operational environment on the one hand, avoided the healthy impaired of user, on the other hand has reduced the welding degree of difficulty, avoids constrictive space restriction welding operation. And then realize optimizing welded platform structure, promote welded platform's reliability and practicality, reduce the welding degree of difficulty, guarantee user's health and safety promote the technological effect that the user used and experienced.

Description

Welding platform

Technical Field

The invention relates to the technical field of hoisting welding, in particular to a welding platform.

Background

Specifically, in the current shaft welding operation, single steel pipe sheets are sequentially placed at the bottom of a shaft by a travelling crane, and then the steel pipe sheets are welded into a ring at the bottom of the shaft. And then placing the second ring-shaped pipe piece into the shaft by a travelling crane, welding the second ring-shaped steel pipe piece into a ring and simultaneously welding the first ring-shaped pipe piece and the second ring-shaped pipe piece together. Welding at the bottom of the vertical shaft, because the ventilation effect is poor, the operation environment of a welder is poor, the welding efficiency is low, the welding progress is slowed down on one hand, and accidents are easily caused on the other hand.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the invention provides a welding platform.

In view of the above, the present invention provides a welding platform, including: a work platform configured to be adapted to be connected to a tubular; the hoisting mechanism is arranged on the working platform; the positioning seat is connected with the suspension end of the hoisting mechanism and is configured to be suitable for positioning a to-be-welded part, and the hoisting mechanism is configured to be capable of driving the positioning seat to move in the pipe fitting relative to the working platform.

In the technical scheme, the welding platform is limited and comprises a working platform, a hoisting mechanism and a positioning seat. The work platform is configured to begin with connecting to the tubular to position the work platform in a relative position to the tubular. The hoisting mechanism is matched with the positioning seat, the hoisting mechanism is arranged on the working platform, and the suspension end of the hoisting mechanism is connected with the positioning seat so as to realize suspension of the positioning seat through the hoisting mechanism. The to-be-welded part is arranged on the positioning seat, so that the position of the to-be-welded part is limited through the positioning seat. In the working process, a user lifts the positioning seat to the position near the welding platform through the hoisting mechanism, the welding process of the part to be welded is completed on the welding platform, and then the hoisting mechanism is controlled to move the positioning seat, so that the positioning seat and the part to be welded can move in the pipe relative to the working platform, and the part to be welded, which is welded, is conveyed to the specified position in the pipe, so that the user is prevented from entering the pipe to execute the welding process, on one hand, the working environment of the user is optimized, the health of the user is prevented from being damaged, on the other hand, the welding difficulty is reduced, and the narrow space limitation welding operation is avoided. And then realize optimizing welded platform structure, promote welded platform's reliability and practicality, reduce the welding degree of difficulty, guarantee user's health and safety promote the technological effect that the user used and experienced.

Specifically, in the current shaft welding operation, a travelling crane is adopted to sequentially place single steel pipe sheets at the bottom of the shaft, and then the steel pipe sheets are welded into a ring at the bottom of the shaft. And then placing the second ring-shaped pipe piece into the shaft by a travelling crane, welding the second ring-shaped steel pipe piece into a ring and simultaneously welding the first ring-shaped pipe piece and the second ring-shaped pipe piece together. Welding at the bottom of the vertical shaft is easy to cause accidents due to poor ventilation effect, poor operation environment of welding workers and low welding efficiency. To above-mentioned technical problem, this application is through setting up hoisting machine structure and positioning seat on operation platform, make the user can realize the welding of waiting to weld piece (section of jurisdiction) on the positioning seat that is located the top of pipe fitting (shaft) earlier, accomplish the welding task of a unit after, control hoisting machine structure and suitably transfer the positioning seat, the user continues to carry out the welding of second unit at the top of accomplishing the welded unit, finally drop the positioning seat to the preset position of pipe fitting bottom after accomplishing whole welding tasks, in order to accomplish whole process, thereby the technical problem that above-mentioned operational environment is poor, welding efficiency is low has been solved.

In addition, the welding platform in the above technical solution provided by the present invention may also have the following additional technical features:

In the above technical solution, preferably, there are at least three hoisting mechanisms, and the at least three hoisting mechanisms are uniformly distributed along the circumferential direction of the working platform.

In the technical scheme, the number and the distribution of the hoisting mechanisms are specifically limited, the number of the hoisting mechanisms is at least three, the hoisting mechanisms are uniformly distributed on the same reference circle on the axis of the pipe fitting, and the suspension ends of the hoisting mechanisms are connected with the positioning seat. Through set up three evenly distributed's hoisting machine structure at least on welded platform, can avoid hoisting machine to construct the unbalance loading, optimize the atress on the positioning seat, prevent to treat that the weldment drops the problem and treat the weldment damage problem because of what the positioning seat skew arouses, and then realize optimizing welded platform structure, promote positioning seat job stabilization nature and reliability, reduce the technological effect of product accident rate.

In above-mentioned technical scheme, preferably, treat that the welding is the body, welded platform still includes: one end of the lifting platform is connected with the positioning seat, and the other end of the lifting platform is configured to be suitable for moving in a to-be-welded piece.

In the technical scheme, the to-be-welded piece is a pipe body, and a user places a plurality of split pipe pieces on the positioning seat and welds the pipe pieces to form a complete pipe body. Specifically, still be provided with lift platform on the welded platform, lift platform sets up in the inside of body, and one end is connected with the positioning seat, and the other end is configured to be suitable for and removes in the inside of body. In the working process, the user performs welding of the splicing gap on the inner side of the pipe body on the lifting platform, and the lifting function of the lifting platform is close to the corresponding welding position. Through set up lift platform on welding platform, lift platform can cooperate with work platform to in the welding process of pipe fitting inside and outside concatenation gap is accomplished to the user, lift platform can provide reliable and be convenient for the operational environment who controls for the inside user of pipe fitting, thereby further optimizes user's operational environment, promotes welding efficiency. And then realize optimizing welded platform structure, promote welded platform reliability and security, promote welding efficiency, improve the technical effect that the user used and experienced.

In the above technical solution, preferably, the lifting platform includes: one end of the guide rail is connected with the positioning seat; one end of the pull rod is connected with the other end of the guide rail, and the other end of the pull rod is configured to be suitable for being connected to a part to be welded; and the workbench is connected with the guide rail and slides on the guide rail.

In the technical scheme, the lifting platform comprises a guide rail, a pull rod and a workbench. One end of the guide rail is connected with the positioning seat so as to position the guide rail at the corresponding position of the positioning seat. One end of the pull rod is connected with the other end of the guide rail, and the other end of the pull rod is connected with a to-be-welded part, so that the positioning accuracy of the guide rail is further enhanced, and the guide rail is prevented from being separated from a working position in the operation process. The workbench is connected with the guide rail and used for bearing a user, and the workbench slides on the guide rail in the working process so as to ensure that the user can be close to an area needing to execute welding operation, so that the working environment of the user is optimized, the welding difficulty is reduced, and the welding efficiency is improved.

In the above technical solution, preferably, the welding platform further includes: and each hoisting mechanism is correspondingly provided with one supporting mechanism, one end of each supporting mechanism is configured to be suitable for being connected to the pipe fitting, and the other end of each supporting mechanism is connected with the working platform.

In the technical scheme, the welding platform is further provided with a supporting mechanism, and each hoisting mechanism is correspondingly provided with one supporting mechanism. Wherein, the one end of supporting mechanism is connected with the pipe fitting, and the other end of supporting mechanism is connected with work platform. Through set up supporting mechanism between pipe fitting and work platform, can make work platform's weight shared by a plurality of supporting mechanism on the one hand to promote work platform's stability, avoid work platform incline or sink, on the other hand makes the gravity of hoisting machine structure and positioning seat shared by a plurality of supporting mechanism through corresponding a supporting mechanism that sets up for each hoisting machine structure, thereby promotes the stability of hoisting machine structure and positioning seat. And then realize optimizing welded platform structure, promote welded platform structural stability, promote the technological effect of product security.

In the above technical solution, preferably, the support mechanism includes: one end of the main frame is connected with the working platform, and the hoisting mechanism is arranged on the main frame; a connecting part which is rotatably connected with the other end of the main frame and is configured to be connected to the peripheral side surface of the pipe fitting; and a support beam having one end connected to the main frame and the other end adapted to be connected to an inner peripheral side surface of the pipe member.

In this technical scheme, supporting mechanism includes body frame, connecting portion and supporting beam. The body frame is supporting mechanism's main body frame structure, and the one end of body frame is connected with work platform, and the other end of body frame rotates with connecting portion and links to each other, and in the installation, connecting portion overturn to the outside of pipe fitting to be connected with the periphery side of pipe fitting, in order to pinpoint work platform on the relative position of pipe fitting. One end of the supporting beam is connected with the bottom of the main frame, the other end of the supporting beam is connected with the inner peripheral side face of the pipe fitting, so that the supporting beam can provide enough support for the main frame and the working platform, the working platform is prevented from deflecting and sinking in the working process, the structural stability of the welding platform is improved, and the reliability and the safety of products are improved.

In the above technical solution, preferably, the welding platform further includes a guide mechanism connected to the support mechanism, and one end of the guide mechanism is configured to be suitable for contacting with an outer surface of the to-be-welded member.

In the technical scheme, the welding platform is further provided with a guide mechanism, the fixed end of the guide mechanism is connected with the supporting mechanism, and the positioning end of the guide mechanism is in contact with the outer surface of the part to be welded. Through set up guiding mechanism on supporting mechanism, make to treat that the weldment can be by accurate positioning on predetermined welding position under a plurality of guiding mechanism's combined action, can promote the welded precision on the one hand, avoid vibrations and skew to influence user's welding operation, on the other hand can guarantee to finish welding after treat that the weldment can be accurate below to the preset position of pipe fitting bottom, for example in shaft inner tube welding process, guarantee the axis of inner tube and the coincidence of the axis of outer tube through a plurality of guiding mechanism, avoid appearing eccentric phenomenon. And then realized optimizing welded platform structure, promoted work accuracy and reliability, reduced structural error's technical effect.

In the above technical solution, preferably, the guide mechanism includes: a telescopic device; the guide wheel is arranged at the telescopic end of the telescopic device and is suitable for rotating on the outer surface of a to-be-welded piece; the one end of support is connected with supporting mechanism, and the other end of support is connected with telescoping device.

In this technical scheme, guiding mechanism includes telescoping device, leading wheel and support. The support is the location structure of telescoping device, and the one end of support is connected with supporting mechanism, and the other end of support is connected with the telescoping device to through the support with the accurate location of telescoping device on supporting mechanism's relative position. The telescopic end of the telescopic device is provided with a guide wheel, and the guide wheel is in contact with the outer surface of the part to be welded and rolls on the outer surface of the part to be welded. In the working process, the guide wheel is abutted against the outer surface of the part to be welded by adjusting the telescopic length of the telescopic device. Finally, the piece to be welded is accurately positioned at the predetermined welding position by the cooperation of the plurality of guide mechanisms.

In the above technical solution, preferably, the hoisting mechanism includes: the hydraulic lifting device is arranged on the supporting mechanism; one end of the steel strand is connected with a hydraulic lifting device, and the hydraulic lifting device retracts and releases the steel strand; the connecting piece is connected with the other end of the steel strand, and the connecting piece is detachably connected with the positioning seat.

In this technical scheme, hoisting machine constructs including hydraulic lifting device, steel strand wires and connecting piece. The hydraulic lifting device is arranged on the main frame of the supporting mechanism, and one end of the steel strand is connected with the hydraulic lifting device so as to receive and release the steel strand through the hydraulic lifting device. The other end of steel strand wires is connected with the connecting piece, and the connecting piece can be dismantled with the positioning seat and link to each other. In the working process, after the welding procedure of the first unit to be welded is completed, the hydraulic lifting device emits part of the steel strand so as to enable the positioning seat to descend, the subsequent welding task is executed, after all welding tasks are completed, the hydraulic lifting device continues emitting the steel strand so as to lower the positioning seat to the preset position of the bottom of the pipe fitting, then the connecting piece is detached from the positioning seat, and the steel strand is recovered through the hydraulic lifting device. Thereby accomplish the inside welding and the placing of waiting to weld the piece of pipe fitting, and then realize optimizing welded platform structure, promote welding efficiency, promote the technological effect that the user used experience.

In above-mentioned technical scheme, preferably, every hoisting machine constructs and sets up two steel strand wires at least, and hoisting machine constructs still includes: the wire guide plate is provided with a wire guide hole, and at least two steel strands penetrate through the wire guide hole.

In the technical scheme, at least two steel strands are arranged on each hoisting mechanism to carry out hoisting together, so that the shared gravity is prevented from exceeding the maximum bearing value of a single steel strand, and the steel strand is prevented from being broken. Further, still be provided with the wire guide on the hoisting machine structure, be provided with the wire guide on the wire guide, a steel strand wires is worn to be equipped with in every wire guide correspondence to avoid many steel strand wires winding together, and then realize optimizing hoisting machine structure, promote hoisting machine structure's structural stability and reliability, promote the technological effect of product security.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 illustrates a schematic structural view of a welding platform provided in accordance with one embodiment of the present invention;

FIG. 2 illustrates a top view of a welding platform provided in accordance with one embodiment of the present invention as illustrated in FIG. 1;

FIG. 3 illustrates a schematic structural view of a part to be welded provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a schematic structural view of a support mechanism provided in accordance with an embodiment of the present invention;

FIG. 5 illustrates a schematic structural view of a guide mechanism provided according to an embodiment of the present invention;

figure 6 shows a schematic structural view of a hoisting mechanism provided according to an embodiment of the invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:

1 welding platform, 10 working platforms, 12 hoisting mechanisms, 122 hydraulic lifting devices, 124 steel strands, 126 connecting pieces, 128 wire guide plates, 14 positioning seats, 16 lifting platforms, 162 guide rails, 164 working platforms, 18 supporting mechanisms, 182 main frames, 184 connecting portions, 186 supporting beams, 20 guiding mechanisms, 202 telescopic devices, 204 guide wheels, 206 supports, 3 pipe fittings and 5 to-be-welded parts.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A welding platform 1 according to some embodiments of the present invention is described below with reference to fig. 1 to 6.

In view of this, according to an embodiment of the present invention, as shown in fig. 1, a welding platform 1 is provided, the welding platform 1 including: a work platform 10 configured to be adapted to be connected to the tubular 3; the hoisting mechanism 12 is arranged on the working platform 10; the positioning seat 14 is connected with the suspension end of the hoisting mechanism 12, the positioning seat 14 is configured to be suitable for positioning the part to be welded 5, and the hoisting mechanism 12 is configured to drive the positioning seat 14 to move in the pipe 3 relative to the working platform 10.

In this embodiment, a welding platform 1 is defined, the welding platform 1 comprising a working platform 10, a hoisting mechanism 12 and a positioning seat 14. The work platform 10 is configured to start with being connected to the tubular 3 to position the work platform 10 in a relative position to the tubular 3. The hoisting mechanism 12 is matched with the positioning seat 14, the hoisting mechanism 12 is arranged on the working platform 10, and the suspension end of the hoisting mechanism 12 is connected with the positioning seat 14, so that the positioning seat 14 can be suspended through the hoisting mechanism 12. The member to be welded 5 is provided on the positioning socket 14 to achieve position limitation of the member to be welded 5 by the positioning socket 14. In the working process, a user firstly lifts the positioning seat 14 to the position near the welding platform 1 through the hoisting mechanism 12, the welding process of the to-be-welded part 5 is completed on the welding platform 1, and then the hoisting mechanism 12 is controlled to move the positioning seat 14, so that the positioning seat 14 and the to-be-welded part 5 can move relative to the working platform 10 in the pipe fitting 3, the to-be-welded part 5 which is welded is conveyed to a designated position in the pipe fitting 3, and therefore the user is prevented from entering the pipe fitting 3 to execute the welding process, on one hand, the working environment of the user is optimized, the health of the user is prevented from being damaged, on the other hand, the welding difficulty is reduced, and the welding operation is prevented from being limited by narrow space. And then realize optimizing welded platform 1 structure, promote welded platform 1's reliability and practicality, reduce the welding degree of difficulty, guarantee user's health and safety promote the technological effect that the user used and experienced.

Specifically, in the current shaft welding operation, a travelling crane is adopted to sequentially place single steel pipe sheets at the bottom of the shaft, and then the steel pipe sheets are welded into a ring at the bottom of the shaft. Then the second ring of pipe pieces are placed into the shaft well through a travelling crane, and the second ring of steel pipe pieces are welded into a ring while the first ring of pipe pieces and the second ring of pipe pieces are welded together. Welding at the bottom of the vertical shaft is easy to cause accidents due to poor ventilation effect, poor operation environment of welding workers and low welding efficiency. Aiming at the technical problem, the hoisting mechanism 12 and the positioning seat 14 are arranged on the operation platform, so that a user can firstly weld a part to be welded 5 (duct piece) on the positioning seat 14 positioned at the top of the pipe fitting 3 (vertical shaft), after the welding task of one unit is completed, the hoisting mechanism 12 is controlled to properly lower the positioning seat 14, the user continues to weld the second unit at the top of the welded unit, and finally the positioning seat 14 is lowered to a preset position at the bottom of the pipe fitting 3 after all the welding tasks are completed, so that the whole process is completed, and the technical problems of poor operation environment and low welding efficiency are solved.

In one embodiment of the present invention, preferably, as shown in fig. 2, there are at least three hoisting mechanisms 12, and at least three hoisting mechanisms 12 are uniformly distributed along the circumference of the working platform 10.

In the embodiment, the number and the distribution of the hoisting mechanisms 12 are specifically limited, the number of the hoisting mechanisms 12 is at least three, the at least three hoisting mechanisms 12 are uniformly distributed on the same reference circle on the axis of the pipe fitting 3, and the suspension ends of the at least three hoisting mechanisms 12 are connected with the positioning seat 14. Through set up three evenly distributed's hoisting machine structure 12 at least on welding platform 1, can avoid hoisting machine structure 12's unbalance loading, optimize the atress on the positioning seat 14, prevent to treat that welding piece 5 drops the problem and treat welding piece 5 damage problem because of what positioning seat 14 skew arouses, and then realize optimizing welding platform 1 structure, promote positioning seat 14 job stabilization nature and reliability, reduce the technological effect of product accident rate.

In one embodiment of the present invention, preferably, as shown in fig. 3 and 1, the to-be-welded piece 5 is a pipe body, and the welding platform 1 further includes: and one end of the lifting platform 16 is connected with the positioning seat 14, and the other end of the lifting platform 16 is configured and suitable for moving in the piece 5 to be welded.

In this embodiment, the to-be-welded member 5 is a tube body, and the user places a plurality of divided tube pieces on the positioning seat 14 and performs welding to form a complete tube body. Specifically, the welding platform 1 is further provided with a lifting platform 16, the lifting platform 16 is disposed inside the pipe body, one end of the lifting platform is connected with the positioning seat 14, and the other end of the lifting platform is configured to move inside the pipe body. In the working process, the user performs welding of the splicing gap on the inner side of the pipe body on the lifting platform 16, and the welding position is close to the corresponding welding position through the lifting function of the lifting platform 16. Through set up lift platform 16 on welding platform 1, lift platform 16 can cooperate with work platform 10 to in the welding process of 3 inside and outside concatenation gaps of pipe fitting is accomplished to the user, lift platform 16 can provide reliable and the operational environment of being convenient for control for the inside user of pipe fitting 3, thereby further optimizes user's operational environment, promotes welding efficiency. And then realize optimizing welded platform 1 structure, promote welded platform 1 reliability and security, promote welding efficiency, improve the technical effect that the user used and experienced.

In one embodiment of the present invention, preferably, as shown in fig. 1 and 2, the lifting platform 16 includes: one end of the guide rail 162 is connected with the positioning seat 14; a pull rod, one end of which is connected with the other end of the guide rail 162, and the other end of which is configured to be suitable for being connected to the part to be welded 5; and a table 164 connected to the guide 162, the table 164 sliding on the guide 162.

In this embodiment, the lift platform 16 includes a rail 162, a drawbar, and a table 164. One end of the guide rail 162 is connected with the positioning seat 14 to position the guide rail 162 on the corresponding position of the positioning seat 14. One end of the pull rod is connected with the other end of the guide rail 162, and the other end of the pull rod is connected with the to-be-welded part 5, so that the positioning accuracy of the guide rail 162 is further enhanced, and the guide rail 162 is prevented from being separated from the working position in the operation process. The workbench 164 is connected with the guide rail 162 and used for bearing a user, and the workbench 164 slides on the guide rail 162 in the working process to ensure that the user can be close to an area needing to perform welding operation, so that the working environment of the user is optimized, the welding difficulty is reduced, and the welding efficiency is improved.

In one embodiment of the present invention, preferably, as shown in fig. 2, the welding platform 1 further includes: and supporting mechanisms 18, one supporting mechanism 18 is correspondingly arranged on each hoisting mechanism 12, one end of each supporting mechanism 18 is configured and suitable for being connected to the pipe 3, and the other end of each supporting mechanism 18 is connected with the working platform 10.

In this embodiment, the welding platform 1 is further provided with support mechanisms 18, and each hoisting mechanism 12 is correspondingly provided with one support mechanism 18. Wherein one end of the supporting mechanism 18 is connected with the pipe 3, and the other end of the supporting mechanism 18 is connected with the working platform 10. By arranging the supporting mechanisms 18 between the pipe fitting 3 and the working platform 10, on one hand, the weight of the working platform 10 can be shared by the supporting mechanisms 18, so that the stability of the working platform 10 is improved, and the working platform 10 is prevented from inclining or sinking, on the other hand, by correspondingly arranging one supporting mechanism 18 for each hoisting mechanism 12, the gravity of the hoisting mechanism 12 and the positioning seat 14 can be shared by the supporting mechanisms 18, so that the stability of the hoisting mechanism 12 and the positioning seat 14 is improved. And then realize optimizing welding platform 1 structure, promote welding platform 1 structural stability, promote the technological effect of product security.

In one embodiment of the present invention, preferably, as shown in fig. 4, the support mechanism 18 includes: one end of the main frame 182 is connected with the working platform 10, and the hoisting mechanism 12 is arranged on the main frame 182; a coupling part 184 rotatably coupled to the other end of the main frame 182, the coupling part 184 being configured to be coupled to an outer circumferential side surface of the pipe 3; and a support beam 186 having one end of the support beam 186 connected to the main frame 182 and the other end of the support beam 186 configured to be adapted to be connected to the inner peripheral side of the pipe 3.

In this embodiment, the support mechanism 18 includes a main frame 182, a connecting portion 184, and support beams 186. The body frame 182 is the main body frame structure of supporting mechanism 18, and the one end of body frame 182 is connected with work platform 10, and the other end and the connecting portion 184 of body frame rotate continuously, and in the installation, connecting portion 184 overturns to the outside of pipe fitting 3 to be connected with the periphery side of pipe fitting 3, in order to pinpoint work platform 10 on the relative position of pipe fitting 3. One end of the supporting beam 186 is connected with the bottom of the main frame 182, and the other end is connected with the inner peripheral side surface of the pipe fitting 3, so that the supporting beam 186 provides enough support for the main frame 182 and the working platform 10, and the working platform 10 is prevented from deflecting and sinking in the working process, thereby improving the structural stability of the welding platform 1 and improving the reliability and safety of products.

In one embodiment of the present invention, preferably, as shown in fig. 5, the welding platform 1 further comprises a guide mechanism 20 connected with the support mechanism 18, and one end of the guide mechanism 20 is configured to be in contact with the outer surface of the to-be-welded part 5.

In this embodiment, the welding platform 1 is further provided with a guiding mechanism 20, the fixed end of the guiding mechanism 20 is connected with the supporting mechanism 18, and the positioning end of the guiding mechanism 20 is in contact with the outer surface of the workpiece 5 to be welded. Through set up guiding mechanism 20 on supporting mechanism 18, make wait to weld 5 can be by accurate positioning on predetermined welding position under a plurality of guiding mechanism 20 combined action, on the one hand can promote the welded precision, avoid vibrations and skew influence user's welding operation, on the other hand can guarantee to finish welding after wait that welding 5 can be accurate below to the preset position of pipe fitting 3 bottom on, for example in shaft inner tube welding process, guarantee the axis of inner tube and the coincidence of the axis of outer tube through a plurality of guiding mechanism 20, avoid appearing eccentric phenomenon. And then realized optimizing welded platform 1 structure, promoted work accuracy and reliability, reduced structural error's technical effect.

In one embodiment of the present invention, preferably, as shown in fig. 5, the guide mechanism 20 includes: a telescoping device 202; a guide wheel 204 arranged at the telescopic end of the telescopic device 202, the guide wheel 204 being configured to rotate on the outer surface of the to-be-welded piece 5; and a bracket 206, wherein one end of the bracket 206 is connected with the supporting mechanism 18, and the other end of the bracket 206 is connected with the telescopic device 202.

In this embodiment, the guide mechanism 20 includes a telescoping device 202, a guide wheel 204, and a bracket 206. The bracket 206 is a positioning structure of the telescopic device 202, one end of the bracket 206 is connected to the supporting mechanism 18, and the other end of the bracket 206 is connected to the telescopic device 202, so that the telescopic device 202 can be accurately positioned at the relative position of the supporting mechanism 18 through the bracket 206. The telescopic end of the telescopic device 202 is provided with a guide wheel 204, and the guide wheel 204 is in contact with the outer surface of the piece 5 to be welded and rolls on the outer surface of the piece 5 to be welded. In the working process, the guide wheel 204 is abutted against the outer surface of the part to be welded 5 by adjusting the telescopic length of the telescopic device 202. Finally, the parts to be welded 5 are accurately positioned at the predetermined welding positions by the cooperation of the plurality of guide mechanisms 20.

In one embodiment of the invention, preferably, as shown in figure 6, the hoisting means 12 comprise: a hydraulic lifting device 122 provided on the support mechanism 18; one end of the steel strand 124 is connected with the hydraulic lifting device 122, and the hydraulic lifting device 122 retracts the steel strand 124; and the connecting piece 126 is connected with the other end of the steel strand 124, and the connecting piece 126 is detachably connected with the positioning seat 14.

In this embodiment, the hoist mechanism 12 includes a hydraulic lifting device 122, a steel strand 124, and a connector 126. The hydraulic lifting device 122 is arranged on the main frame 182 of the supporting mechanism 18, and one end of the steel strand 124 is connected with the hydraulic lifting device 122 so as to receive and release the steel strand 124 through the hydraulic lifting device 122. The other end of the steel strand 124 is connected with the connecting piece 126, and the connecting piece 126 is detachably connected with the positioning seat 14. In the working process, after the welding procedure of the first element to be welded 5 is completed, the hydraulic lifting device 122 releases part of the steel strand 124 to lower the positioning seat 14, and then the subsequent welding task is performed, after all welding tasks are completed, the hydraulic lifting device 122 continues to release the steel strand 124 to lower the positioning seat 14 to the preset position at the bottom of the pipe fitting 3, and then the connecting piece 126 is detached from the positioning seat 14, and the steel strand 124 is withdrawn through the hydraulic lifting device 122. Thereby accomplish the inside welding and the placing of waiting to weld piece 5 of pipe fitting 3, and then realize optimizing welded platform 1 structure, promote welding efficiency, promote the technological effect that the user used experience.

In an embodiment of the present invention, preferably, as shown in fig. 6, each hoisting mechanism 12 is provided with at least two steel strands 124, and the hoisting mechanism 12 further includes: the wire guide plate 128 is provided with wire guide holes, and at least two steel strands 124 are arranged in the wire guide holes in a penetrating manner.

In this embodiment, each hoisting mechanism 12 is provided with at least two steel strands 124 for jointly hoisting, so as to avoid the shared gravity exceeding the maximum bearing value of a single steel strand 124 and prevent the steel strand 124 from breaking. Further, still be provided with wire guide 128 on hoisting machine structure 12, be provided with the wire guide on the wire guide 128, correspond in every wire guide and wear to be equipped with a steel strand wires 124 to avoid many steel strand wires 124 winding together, and then realize optimizing hoisting machine structure 12 structure, promote hoisting machine structure 12's structural stability and reliability, promote the technological effect of product security.

In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, a technical solution adopted by the welding platform 1 is as follows:

1. a plurality of hoisting mechanisms 12 are adopted for lifting or lowering, and the problem of unbalance loading is controlled by accurately controlling the lifting or lowering displacement of the steel strand;

2. the multiple groups of steel strand wires are symmetrically arranged, so that the bearing capacity is balanced and the reliability is high;

3. By adopting the guide mechanism 20, the alignment of the to-be-welded part 5 and the pipe fitting 3 is good, the accuracy of the lowering position is high, the steel strand 124 is prevented from deviating, and the reliability is improved;

4. a small traveling crane is adopted to hoist the single piece of the part to be welded 5 to the positioning seat 14, and the single piece of the part to be welded 5 is welded to form a ring on the positioning seat 14, so as to realize the welding on the well;

5. a lifting platform 16 is arranged on the positioning seat 14, so that the welding of the parts to be welded 5 is convenient, and the welding on the well is realized;

6. the support mechanism 18 adopts a 'tetrahedron' form, and the main frame 182 and the support beam 186 have strong structural bearing capacity;

7. the supporting mechanism 18 is arranged on the pipe fitting 3, and the bearing force of the foundation is not required to be considered;

8. simple structure, low cost and easy installation and disassembly.

In another embodiment of the present invention, the welding platform 1 comprises a hoisting mechanism 12, a

positioning seat

14, 3 lifting platforms 16, an annular working platform 10, 4 supporting mechanisms 18, and 8 guiding mechanisms 20. The supporting mechanism 18 (containing embedded parts) is welded with the inner wall and the outer wall of the part to be welded 5 to form a tetrahedron, and a mounting platform is provided for the hoisting mechanism 12; the 4 hoisting mechanisms 12 are respectively fixed on the supporting mechanism 18 through bolts and mainly provide hoisting power for hoisting the to-be-welded part 5; as shown in FIG. 6, the connecting member 126 of the hoisting mechanism 12 is connected with the positioning base 14 by a bolt; the lifting platform 16 is fixed on the positioning seat 14 through bolts, and a pull rod on the lifting platform 16 is fixed on the part to be welded 5 through bolts, so that the lifting platform is an operation platform for inner arc welding of the part to be welded 5 and is convenient for inner arc welding; the working platform 10 is fixed on a main frame 182 on the supporting mechanism 18 through bolts, and the working platform 10 is a working platform for welding the outer arc of the piece 5 to be welded, so that the outer arc welding is convenient; the guide mechanism 20 is fixed on the support mechanism 18 through bolts, and plays a role in guiding the whole annular part to be welded 5, so as to ensure the whole part to be welded 5 to be centered, ensure the uniform stress of each hoisting mechanism 12 and ensure the accurate lowering position.

In yet another embodiment of the invention, the work flow of the welding platform 1 is as follows: the unit to be welded is lifted to the positioning seat 14 by a crane, positioning pins are designed on the positioning seat 14 and the unit to be welded 5, and the unit to be welded 5 is inserted into the positioning pins to position the unit to be welded 5. In the scheme, the to-be-welded part 5 which is welded consists of 4 pipe sheet-shaped to-be-welded part 5 units, and the number of the to-be-welded part 5 units is determined by the crane hoisting weight and the diameter of the vertical shaft. After 4 units of the parts to be welded 5 are installed in place, the units of the parts to be welded 5 are welded, and the positioning seat 14 is used as a part of the whole part to be welded 5 in design, so that the parts to be welded 5 and the positioning seat 14 can be welded together. The lifting platform 16 can be operated to weld the inner ring of the to-be-welded part 5 in the welding process, the to-be-welded part 5 is welded by operating the hoisting mechanism 12 to lower the to-be-welded part 5 to control the welding position, the whole welding is carried out on a wellhead, the ventilation effect is good, and the environment is obviously improved compared with that of the bottom-hole welding operation. After the first annular part to be welded 5 is welded, the positioning pin of the second part to be welded 5 is installed, then the second part to be welded 5 is hoisted to the top of the first part to be welded 5 by a crane, further welding is carried out, and the parts to be welded 5 are welded in the 3 rd, 4 th and 5 … th modes until the welding is finished.

Wherein, the hydraulic lifting device 122 in each lifting mechanism 12 is controlled by displacement and pressure, the displacement difference of the connecting piece 126 in each lifting mechanism 12 is controlled within +/-5 mm, and closed-loop control is adopted; the displacement oil pressure of each hydraulic lifting device 122 is controlled in a closed loop mode, and the lifting platform 16 is independently operated by a control system.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding platform, comprising:

a work platform configured to be adapted to be connected to a tubular;

the hoisting mechanism is arranged on the working platform;

the positioning seat is connected with the suspension end of the hoisting mechanism, the positioning seat is configured to be suitable for positioning a part to be welded, and the hoisting mechanism is configured to be capable of driving the positioning seat to move in the pipe fitting relative to the working platform;

treat that the welding piece is the body, welded platform still includes:

one end of the lifting platform is connected with the positioning seat, and the other end of the lifting platform is configured to be suitable for moving in the part to be welded;

each hoisting mechanism is correspondingly provided with one supporting mechanism, one end of each supporting mechanism is configured to be suitable for being connected to the pipe fitting, and the other end of each supporting mechanism is connected with the working platform;

The lift platform includes:

one end of the guide rail is connected with the positioning seat;

one end of the pull rod is connected with the other end of the guide rail, and the other end of the pull rod is suitable for being connected to the part to be welded;

the workbench is connected with the guide rail and slides on the guide rail;

the support mechanism includes:

one end of the main frame is connected with the working platform, and the hoisting mechanism is arranged on the main frame;

a connection part rotatably connected to the other end of the main frame, the connection part being configured to be connected to an outer circumferential side of the pipe;

a support beam having one end connected to the main frame and the other end configured to be connected to an inner circumferential side surface of the pipe member.

2. The welding platform according to claim 1, wherein the number of said hoisting mechanisms is at least three, and at least three of said hoisting mechanisms are uniformly distributed along the circumference of said working platform.

3. The welding platform of claim 1, further comprising

A guide mechanism connected with the support mechanism, wherein one end of the guide mechanism is configured to be in contact with the outer surface of the part to be welded.

4. The welding platform of claim 3, wherein the guide mechanism comprises:

a telescoping device;

a guide wheel disposed at a telescoping end of the telescoping device, the guide wheel configured to rotate on an outer surface of the part to be welded;

the support, the one end of support with supporting mechanism is connected, the other end of support with the telescoping device is connected.

5. The welding platform of any one of claims 1, 3, and 4, wherein the hoisting mechanism comprises:

the hydraulic lifting device is arranged on the supporting mechanism;

one end of the steel strand is connected with the hydraulic lifting device, and the hydraulic lifting device retracts the steel strand;

the connecting piece, with the other end of steel strand wires is connected, just the connecting piece with the positioning seat can be dismantled continuously.

6. The welding platform of claim 5, wherein each hoisting mechanism is configured with at least two steel strands, the hoisting mechanism further comprising:

the wire guide plate is provided with wire guide holes, and at least two steel strands penetrate through the wire guide holes.