Quick assembly and welding positioning device for outrigger of wire laying frame

By coordinating the drive positioning component and the clamping component, the problem of the support beam sticking to the clamping parts after the wire feeding frame leg assembly is solved, which makes it difficult to separate. This achieves rapid and uniform separation of the support beam and automatic cleaning of welding debris, thereby improving the quality of the finished product and the life of the device.

CN122142649APending Publication Date: 2026-06-05JIANGSU NET POWER EQUIP TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU NET POWER EQUIP TECH CO LTD
Filing Date
2026-04-20
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

After the existing wire feeding frame legs are assembled and welded, the support beam and clamping parts are prone to sticking together and are difficult to separate, resulting in scratches on the surface of the support beam or damage to the clamping parts, and there is a lack of an automatic separation mechanism.

Method used

The system employs a drive positioning component and a clamping component to provide stable clamping force. After welding is completed, the clamping sleeve is automatically separated from the support beam by a quick release component, and welding debris is adsorbed by a cleaning component to avoid scratches and damage.

Benefits of technology

It enables rapid and uniform separation of the support beam and the clamping parts, avoiding scratches on the surface of the support beam and damage to the clamping parts, improving the quality of the finished product, extending the service life of the positioning device, and saving cleaning time and costs.

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Abstract

The application relates to the technical field of cable construction equipment production, and discloses a quick assembly, welding and positioning device for a pay-off rack support leg, which comprises a welding platform and a pay-off rack support leg, the top of the welding platform is provided with three support beam clamping and positioning devices, the three support beam clamping and positioning devices correspond to the mounting areas of three support beams respectively, the support beam clamping and positioning device comprises a driving positioning assembly horizontally arranged at the top of the welding platform, two clamping assemblies are symmetrically arranged at the top of the driving positioning assembly, and a quick separation assembly is arranged between each clamping assembly and the driving positioning assembly; the device can provide stable support and clamping force for the support beam when the pay-off rack support leg is assembled and welded, can automatically separate the clamping part from the clamping surface of the support beam after welding, manual prying is not needed, and the surface of the support beam is prevented from being scratched or the clamping part from being damaged.
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Description

Technical Field

[0001] This invention relates to the field of cable construction equipment manufacturing technology, specifically to a rapid assembly and positioning device for cable laying frame legs. Background Technology

[0002] In patent application CN111992960A, published on 2020-11-27, entitled "A Welding and Positioning Mechanism for the Base of an Outdoor Cable Laying Frame," the invention discloses a welding and positioning mechanism for the base of an outdoor cable laying frame, belonging to the field of cable construction equipment manufacturing technology. The key technical points are: it includes a frame, with an upper support frame fixed to the top surface of the top plate of the frame; a clamping cylinder is fixed to the top surface of the middle part of the top plate of the upper support frame; the push rod of the clamping cylinder passes through the bottom surface of the top plate of the upper support frame and is fixed to an upper clamping plate. The bottom surface of the upper clamping plate presses against the top surface of the middle welding plate, and the bottom surface of the middle welding plate presses against the top surface of the top plate of the frame. Vertical plates are fixed to the left and right sides of the top surface of the top plate of the frame. A clamping motor is fixed to the outer wall of the vertical plate. The output shaft of the clamping motor passes through the inner wall of the vertical plate and is connected to a transverse screw through a coupling. A transverse threaded sleeve is screwed onto the transverse screw. It can press and limit the middle welding plate, the bent side angle steel block and the edge angle steel block against each other, ensuring the effect and efficiency of subsequent manual welding. It is not easy to move during welding, thus ensuring the welding effect. However, existing wire feeder support leg welding devices may have the following problems: To ensure that the support beam does not shift during wire feeder support leg welding, it is necessary to ensure sufficient locking force between the clamping parts and the support beam. However, after welding, when it is necessary to release the clamping relationship between the clamping parts and the support beam, the support beam may stick to the clamping end of the clamping parts due to weld slag adhesion and thermal expansion and contraction, making it difficult to separate. It is necessary to manually pry the clamping surfaces of the clamping parts and the support beam to remove the parts, which may easily scratch the surface of the support beam or damage the clamping parts. There is a lack of equipment that can provide stable support and clamping force to the support beam during wire feeder support leg welding, and automatically and quickly separate the clamping surfaces of the clamping parts and the support beam after welding, without the need for manual prying, thereby avoiding scratches on the surface of the support beam or damage to the clamping parts. Summary of the Invention

[0003] The problem this invention aims to solve is that, after the existing wire feeding frame legs are assembled and welded, the support beam and clamping parts are prone to sticking together and are difficult to separate.

[0004] To solve the above-mentioned technical problems, the technical solution of the present invention is: a quick assembly and positioning device for wire feeding frame legs, comprising: The welding platform and the wire feeder legs are provided. The welding platform is horizontally positioned, and the wire feeder legs include a T-shaped base. A vertical support column is installed at the center of the top of the T-shaped base. Three inclined support beams are evenly distributed between the outer side of the support column and the side end of the T-shaped base. The contact surfaces between the two ends of the support beams and the support column and T-shaped base are welding surfaces. Several welding robots are provided on the top of the welding platform. Three support beam clamping and positioning devices are also provided on the top of the welding platform. Each of the three support beam clamping and positioning devices corresponds to the installation area of ​​a support beam. The support beam clamping and positioning devices include horizontally positioned supports... The platform has a drive positioning component at the top, with two symmetrical clamping components on top. Each clamping component is connected to the drive positioning component by a quick release component. The drive positioning component controls the two clamping components to position and stably clamp the support beam on both sides, preventing displacement of the support beam during welding. The quick release component prevents the clamping ends of the clamping components from sticking to the outside of the support beam after welding, controlling the outside of the support beam to quickly separate from the clamping ends of the clamping components. The welding platform has a base fixing device inside that can clamp and fix the T-shaped base.

[0005] Furthermore, the drive positioning assembly includes a drive box located on top of the welding platform. Inside the drive box, on the side away from the base fixing device, there is a drive cavity. Inside the drive cavity, two drive blocks are symmetrically and slidably connected at both ends. The upper part of the drive blocks is located above the drive box. A dual-axis motor is provided in the middle of the drive cavity. Two lead screws are symmetrically and horizontally provided at the output ends on both sides of the dual-axis motor. The threads on the two lead screws are mirrored. The ends of the two lead screws that are far apart from each other are rotatably connected to the two ends of the drive cavity. The two lead screws pass through an adjacent drive block and are threadedly connected to it.

[0006] Furthermore, the clamping assembly includes a sliding groove on the top of the drive box near the base fixing device. A sliding block is slidably connected to the sliding groove. A sliding rod is provided on one side of the lower part of the sliding block. The sliding rod is slidably connected to the middle of the drive box and a first spring is provided at the sliding connection. A connector is provided on the top of the sliding block. A clamping sleeve is provided on the side of the connector away from the drive block, which can clamp and position the outside of the support beam.

[0007] Furthermore, the clamping sleeve is provided with a plurality of clamping ends, which are located on the same horizontal line and are equidistantly distributed.

[0008] Furthermore, the quick-release assembly includes openings on both sides of the upper part of the sliding block, with a sliding sleeve slidably connected to the opening in the horizontal direction. A stop block is slidably connected to the side of the sliding sleeve near the drive block. The sliding block has an installation cavity inside, with the top of one side of the installation cavity communicating with one side of the opening. An electric push rod is horizontally arranged inside the installation cavity. The output end of the electric push rod has a connecting block, and the top of the connecting block is connected to the bottom of the sliding sleeve. A toggle block is arranged on the side of the drive block near the sliding block. The side end of the toggle block is spherical. The toggle block and the stop block are at the same horizontal height. The toggle block is located on the side of the stop block away from the dual-axis motor. The side of the stop block near the toggle block is planar.

[0009] Furthermore, the stop block has an inclined surface on the side away from the actuating block, and a second spring is provided at the sliding connection between the stop block and the sliding sleeve.

[0010] Furthermore, it also includes a cleaning component disposed between the two clamping components. The cleaning component includes a piston cylinder disposed on the top of the drive box and located between the sliding blocks in the two clamping components. A piston rod is horizontally disposed on the adjacent side of each sliding block in the two clamping components. The two piston rods pass through both ends of the piston cylinder, and the piston ends of the piston rods are slidably connected to the interior of the piston cylinder in the horizontal direction.

[0011] Furthermore, a cleaning pipe is provided in the middle of the side of the piston cylinder away from the drive block, facing the welding surface of the T-shaped base and the lower part of the support beam. An air inlet valve is provided at the connection between the cleaning pipe and the piston cylinder, and an air outlet valve is connected to the top of the middle part of the piston cylinder.

[0012] Furthermore, the base fixing device includes a limiting groove located on the top of the welding platform. The limiting groove fits the shape of the T-shaped base, and the depth of the limiting groove is less than the thickness of the T-shaped base. The base fixing device also includes a fixing component located inside the welding platform.

[0013] Furthermore, the fixing assembly includes three fixing cavities located inside the welding platform and on three sides of the limiting groove, respectively. Each fixing cavity is equipped with a driving cylinder, and each driving cylinder has a fixing block at its output end. Each fixing cavity has an opening on the side adjacent to the limiting groove that allows the fixing block to pass through the limiting groove and abut against the side end of the T-shaped base.

[0014] Compared with the prior art, the technical solution of the present invention has the following advantages: (1) When this device is in use, the cooperation of the drive positioning component and the clamping component can provide a relatively stable and uniform clamping force and support force to the support beam, ensuring that the support beam is in a relatively stable fixed state, avoiding displacement of the support beam during the welding process. After welding, the support beam may stick to the clamping end of the clamping sleeve due to the adhesion of welding slag and thermal expansion and contraction, making it difficult to separate. With the cooperation of the quick release component, the linear sliding force of the sliding block can achieve a relatively uniform and linear force when the clamping sleeve separates from the support beam, replacing the traditional manual prying method, thereby avoiding scratches on the surface of the support beam and damage to the clamping sleeve, ensuring the quality of the finished product of the wire feeding frame support leg while extending the service life of the positioning device. (2) As the clamping sleeve and the support beam are quickly separated, the sliding block drives the corresponding piston rod to slide inside the piston cylinder. The piston rod forms a suction force inside the piston cylinder, and this suction force is transmitted to the welding area at the lower end of the support beam through the cleaning pipe. The welding debris generated in this area is adsorbed, preventing the debris from adhering to the surface of the support beam and the T-shaped base, thus achieving preliminary cleaning work and saving a certain amount of time and cost for subsequent cleaning work on the cable tray legs.

[0015] (3) Before welding the support legs of the defense line frame, the T-shaped base needs to be fixed. First, the T-shaped base is embedded into the limiting groove at the top of the welding platform. Since the limiting groove matches the shape of the T-shaped base, the T-shaped base is initially limited and fixed through the limiting groove. Then, the three drive cylinders are controlled to work synchronously to drive the three fixing blocks to move synchronously to the three sides of the T-shaped base until they abut against its side ends, thereby further strengthening the limiting and fixing effect of the T-shaped base, thus avoiding displacement of the T-shaped base during the welding process and affecting the finished quality of the support legs of the defense line frame. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention and the cable tray support leg; Figure 2 This is a partial structural schematic diagram of the present invention and the cable-laying frame leg; Figure 3 This is a three-dimensional structural diagram of the present invention; Figure 4 This is a three-dimensional structural diagram of the wire feeding frame support leg in this invention; Figure 5 This is a three-dimensional structural diagram of the welding platform and base fixing device in this invention; Figure 6 This is a cross-sectional view of the welding platform and base fixing device in this invention; Figure 7 This is a three-dimensional structural diagram of the support beam clamping and positioning device and the wire feeding frame support leg in this invention; Figure 8This is a three-dimensional structural diagram of the support beam clamping and positioning device in this invention; Figure 9 This is a partial top sectional view of the support beam clamping and positioning device in this invention; Figure 10 This is a partial structural diagram of the cleaning component that clamps and quickly detaches from the component in this invention; Figure 11 This is a partial structural cross-sectional view of the cleaning component that clamps and quickly detaches from the component in this invention. Figure 12 This is a side sectional view of the sliding block in this invention; Figure 13 This is a three-dimensional cross-sectional view of the sliding block in this invention.

[0017] In the diagram: 1. Welding platform; 2. Cable feeder leg; 21. T-shaped base; 22. Support column; 23. Support beam; 3. Welding robot; 4. Support beam clamping and positioning device; 41. Drive positioning assembly; 411. Drive box; 412. Drive cavity; 413. Drive block; 414. Dual-axis motor; 415. Lead screw; 42. Clamping assembly; 421. Sliding groove; 422. Sliding block; 423. Sliding rod; 424. First spring; 425. Connector; 4 26. Clamping sleeve; 43. Quick release assembly; 431. Sliding sleeve; 432. Stop block; 433. Mounting cavity; 434. Electric push rod; 435. Connecting block; 436. Actuating block; 437. Second spring; 5. Cleaning assembly; 51. Piston cylinder; 52. Piston rod; 53. Cleaning pipe; 54. Air outlet valve; 6. Base fixing device; 61. Limiting groove; 62. Fixing assembly; 621. Fixing cavity; 622. Drive cylinder; 623. Fixing block. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0019] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "comprising" or "including," and similar terms used in this disclosure, mean that an element or object preceding the term encompasses the elements or objects listed following the term and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described objects changes.

[0020] like Figures 1 to 13 As shown, the present invention provides a quick assembly and positioning device for wire feeding frame legs, comprising: The welding platform 1 and the wire feeder support legs 2 are configured as follows: The welding platform 1 is horizontally positioned; the wire feeder support legs 2 include a T-shaped base 21; a vertical support column 22 is vertically positioned at the center of the top of the T-shaped base 21; three inclined support beams 23 are evenly distributed between the outer side of the support column 22 and the side end of the T-shaped base 21; the contact surfaces between the two ends of the support beams 23 and the support column 22 and the T-shaped base 21 are welding surfaces; several welding robots 3 are provided on the top of the welding platform 1; and three support beam clamping and positioning devices 4 are provided on the top of the welding platform 1, each corresponding to the installation area of ​​one of the three support beams 23. Each support beam clamping and positioning device 4 includes a horizontally positioned support column 22 on the welding platform 1. The top drive positioning component 41 has two symmetrical clamping components 42 on its top. Each clamping component 42 is connected to the drive positioning component 41 by a quick release component 43. The drive positioning component 41 can control the two clamping components 42 to position and stably clamp the two sides of the support beam 23, preventing the support beam 23 from shifting during welding. The quick release component 43 can prevent the clamping end of the clamping component 42 from sticking to the outside of the support beam 23 after welding, and control the outside of the support beam 23 to quickly separate from the clamping end of the clamping component 42. The welding platform 1 is equipped with a base fixing device 6 that can clamp and fix the T-shaped base 21. The drive positioning assembly 41 includes a drive box 411 located on the top of the welding platform 1. Inside the drive box 411, on the side away from the base fixing device 6, there is a drive cavity 412. Inside the drive cavity 412, there are two drive blocks 413 symmetrically and slidably connected at both ends. The upper part of the drive block 413 is located above the drive box 411. A dual-axis motor 414 is provided in the middle of the drive cavity 412. The output ends of the dual-axis motor 414 are symmetrically and horizontally provided with two lead screws 415. The threads on the two lead screws 415 are mirrored. The ends of the two lead screws 415 that are far apart from each other are rotatably connected to the two ends of the drive cavity 412. The two lead screws 415 pass through an adjacent drive block 413 and are threadedly connected to it. The clamping assembly 42 includes a sliding groove 421 located on the top of the drive box 411 near the base fixing device 6. A sliding block 422 is slidably connected to the sliding groove 421. A sliding rod 423 is provided on one side of the lower part of the sliding block 422. The sliding rod 423 is slidably connected to the middle of the drive box 411 and a first spring 424 is provided at the sliding connection. A connector 425 is provided on the top of the sliding block 422. A clamping sleeve 426 is provided on the side of the connector 425 away from the drive block 413, which can clamp and position the outside of the support beam 23. The clamping sleeve 426 is provided with a plurality of clamping ends, which are located on the same horizontal line and are equidistantly distributed. The quick release assembly 43 includes openings on both sides of the upper part of the sliding block 422. A sliding sleeve 431 is slidably connected to the opening in the horizontal direction. A stop block 432 is slidably connected to the side of the sliding sleeve 431 near the drive block 413. The sliding block 422 has an installation cavity 433 inside. The top of one side of the installation cavity 433 is connected to one side of the opening. An electric push rod 434 is horizontally arranged inside the installation cavity 433. A connecting block 435 is provided at the output end of the electric push rod 434, and the top of the connecting block 435 is connected to the bottom of the sliding sleeve 431. A toggle block 436 is provided on the side of the drive block 413 near the sliding block 422. The side end of the toggle block 436 is spherical. The toggle block 436 and the stop block 432 are at the same horizontal height. The toggle block 436 is located on the side of the stop block 432 away from the dual-axis motor 414. The side of the stop block 432 near the toggle block 436 is planar. The abutment block 432 has an inclined surface on the side away from the actuating block 436, and a second spring 437 is provided at the sliding connection between the abutment block 432 and the sliding sleeve 431. It also includes a cleaning component 5 disposed between the two clamping components 42. The cleaning component 5 includes a piston cylinder 51 disposed on the top of the drive box 411 and located between the sliding blocks 422 in the two clamping components 42. A piston rod 52 is horizontally disposed on the adjacent side of the sliding blocks 422 in the two clamping components 42. The two piston rods 52 pass through both ends of the piston cylinder 51 respectively, and the piston end of the piston rod 52 is slidably connected to the interior of the piston cylinder 51 in the horizontal direction. The piston cylinder 51 is provided with a cleaning pipe 53 in the middle of the side away from the drive block 413, which faces the lower welding surface of the T-shaped base 21 and the support beam 23. An air inlet valve is provided at the connection between the cleaning pipe 53 and the piston cylinder 51, and an air outlet valve 54 is connected to the top of the middle part of the piston cylinder 51. The base fixing device 6 includes a limiting groove 61 located on the top of the welding platform 1. The limiting groove 61 fits the shape of the T-shaped base 21. The depth of the limiting groove 61 is less than the thickness of the T-shaped base 21. The base fixing device 6 also includes a fixing component 62 located inside the welding platform 1. The fixing component 62 includes three fixing cavities 621 located inside the welding platform 1 and on three sides of the limiting groove 61 respectively. Each fixing cavity 621 is provided with a driving cylinder 622. Each driving cylinder 622 has a fixing block 623 at its output end. Each fixing cavity 621 has an opening on the side adjacent to the limiting groove 61 that allows the fixing block 623 to pass through the limiting groove 61 and abut against the side end of the T-shaped base 21.

[0021] The working principle and usage process of this invention: When welding the support beam 23 to the column 22 and the T-shaped base 21, firstly, the support beam 23 is placed at an angle on one side of the top of the T-shaped base 21. Both ends of the support beam 23 abut against one side of the column 22 and the top of the T-shaped base 21, respectively. The support beam 23 is located between two clamping sleeves 426. The dual-axis motor 414 is controlled to drive the two lead screws 415 to rotate synchronously, causing the two drive blocks 413 to move synchronously towards the opposite side. The actuating block 436 on the side of the drive block 413 pushes the adjacent abutment. Block 432 causes the two clamping sleeves 426 located on the top of the sliding block 422 to move synchronously toward the sides of the support beam 23. The first spring 424 then contracts until it is completely in contact with and stops the side ends of the support beam 23. The two clamping sleeves 426 provide support and clamping force to the support beam 23 from the outside of the support beam 23. Since the clamping sleeves 426 are provided with multiple clamping ends at equal intervals, they provide a relatively stable and uniform clamping force and support force to the support beam 23, ensuring that the support beam 23 is in a relatively stable fixed state and avoiding displacement of the support beam 23 during the welding process. After the positioning and fixing of the support beam 23 is completed, the corresponding welding robot 3 is controlled to weld the upper and lower ends of the support beam 23 to the welding surfaces of the T-shaped base 21 or the support column 22. After welding, the support beam 23 may stick to the clamping end of the clamping sleeve 426 due to weld slag adhesion and thermal expansion and contraction, making it difficult to separate. At this time, the electric push rods 434 inside the corresponding two sliding blocks 422 are controlled to work, driving the sliding sleeve 431 and the stop block 432 to slide synchronously into the sliding block 422. The stop block 432 disengages from the actuating block 436, and the sliding block 422 loses the resisting force of the stop block 432 and the actuating block 436. Spring 424 then relaxes, and under the force of the first spring 424, the two sliding blocks 422 are driven to return to their initial positions synchronously. Then, the return force of the first spring 424 drives the two clamping sleeves 426 to quickly detach from the side of the support beam 23. This method replaces the traditional manual prying method. This method uses the linear sliding force of the sliding block 422 to achieve a more uniform and linear force when the clamping sleeves 426 separate from the support beam 23, thereby avoiding scratches on the surface of the support beam 23 and damage to the clamping sleeves 426. This ensures the quality of the finished product of the wire feeder leg 2 while extending the service life of the positioning device. After welding is completed, the two clamping sleeves 426 are reset to their initial positions. The electric push rod 434 is controlled to drive the two stop blocks 432 to reset to their initial positions so that the work can continue. At this time, the two drive blocks 413 need to be controlled to reset to their initial positions. During the reset process, the end of the actuating block 436 contacts the end of the stop block 432 with the inclined surface. Under the action of the second spring 437, the stop block 432 is driven to retract into the sliding sleeve 431, so that the actuating block 436 passes smoothly through the stop block 432 and moves to the other side of the stop block 432. At this time, both the stop block 432 and the actuating block 436 are in their initial positions so that the subsequent welding work of the defense frame legs can be carried out. As the clamping sleeve 426 quickly separates from the support beam 23, the sliding block 422 drives the corresponding piston rod 52 to slide inside the piston cylinder 51. The piston rod 52 generates suction inside the piston cylinder 51, and this suction is transmitted to the welding area at the lower end of the support beam 23 through the cleaning pipe 53. The welding debris generated in this area is adsorbed, preventing the debris from adhering to the surface of the support beam 23 and the T-shaped base 21, thus achieving preliminary cleaning work and saving some time and cost for subsequent cleaning work on the cable tray legs 2. Before welding the support legs of the defense line frame, the T-shaped base 21 needs to be fixed first. First, the T-shaped base 21 is embedded into the limiting groove 61 at the top of the welding platform 1. Since the limiting groove 61 fits the shape of the T-shaped base 21, the T-shaped base 21 is initially limited and fixed through the limiting groove 61. Then, the three drive cylinders 622 are controlled to work synchronously to drive the three fixing blocks 623 to move synchronously to the three sides of the T-shaped base 21 until they abut against its side ends, thereby further strengthening the limiting and fixing effect of the T-shaped base 21, thus avoiding displacement of the T-shaped base 21 during the welding process, which would affect the finished quality of the support legs of the defense line frame.

[0022] The above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the present invention. The scope of protection of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to the present invention within its spirit and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of the present invention.

Claims

1. A quick assembly and positioning device for the legs of a wire feeding frame, characterized in that, include: The welding platform (1) and the wire feeding frame support leg (2) are provided. The welding platform (1) is horizontally arranged. The wire feeding frame support leg (2) includes a T-shaped base (21). A column (22) is vertically arranged in the middle of the top of the T-shaped base (21). Three inclined support beams (23) are evenly arranged between the outer side of the column (22) and the side end of the T-shaped base (21). The contact surfaces between the two ends of the support beam (23) and the column (22) and the T-shaped base (21) are welding surfaces. Several welding robots (3) are provided on the top of the welding platform (1). The welding platform (1) is characterized by having three support beam clamping and positioning devices (4) on the top of the welding platform (1). The three support beam clamping and positioning devices (4) correspond to the installation areas of the three support beams (23) respectively. The support beam clamping and positioning devices (4) include horizontally arranged support beams. The drive positioning component (41) is connected to the top of the platform (1). Two clamping components (42) are symmetrically arranged on the top of the drive positioning component (41). Each clamping component (42) and the drive positioning component (41) are provided with a quick release component (43). The drive positioning component (41) can control the two clamping components (42) to position and stably clamp the two sides of the support beam (23), so as to avoid the support beam (23) from displacement during the welding process. The quick release component (43) can prevent the clamping end of the clamping component (42) from sticking to the outside of the support beam (23) after welding, and control the outside of the support beam (23) to quickly separate from the clamping end of the clamping component (42). The welding platform (1) is provided with a base fixing device (6) that can clamp and fix the T-shaped base (21).

2. The quick assembly and positioning device for wire feeding frame legs according to claim 1, characterized in that: The drive positioning assembly (41) includes a drive box (411) located on the top of the welding platform (1). Inside the drive box (411), there is a drive cavity (412) on the side away from the base fixing device (6). Inside the drive cavity (412), there are two drive blocks (413) symmetrically connected at both ends. The upper part of the drive block (413) is located above the drive box (411). A dual-axis motor (414) is provided in the middle of the drive cavity (412). Two lead screws (415) are symmetrically and horizontally provided on both sides of the output end of the dual-axis motor (414). The threads on the two lead screws (415) are mirrored. The ends of the two lead screws (415) that are far apart from each other are rotatably connected to the two ends of the drive cavity (412). The two lead screws (415) pass through an adjacent drive block (413) and are threadedly connected to it.

3. The quick assembly and positioning device for wire feeding frame legs according to claim 2, characterized in that: The clamping assembly (42) includes a sliding groove (421) located on the top of the drive box (411) near the base fixing device (6). A sliding block (422) is slidably connected to the sliding groove (421). A sliding rod (423) is provided on one side of the lower part of the sliding block (422). The sliding rod (423) is slidably connected to the middle part of the drive box (411) and a first spring (424) is provided at the sliding connection. A connector (425) is provided on the top of the sliding block (422). A clamping sleeve (426) is provided on the side of the connector (425) away from the drive block (413) to clamp and position the outside of the support beam (23).

4. The quick assembly and positioning device for wire feeding frame legs according to claim 3, characterized in that: The clamping sleeve (426) is provided with a plurality of clamping ends, which are located on the same horizontal line and are distributed at equal intervals.

5. The quick assembly and positioning device for wire feeding frame legs according to claim 4, characterized in that: The quick-release assembly (43) includes openings on both sides of the upper part of the sliding block (422), with a sliding sleeve (431) slidably connected to the opening in the horizontal direction. A stop block (432) is slidably connected to the side of the sliding sleeve (431) near the drive block (413). The sliding block (422) has a mounting cavity (433) inside, with the top of one side of the mounting cavity (433) communicating with one side of the opening. An electric push rod (434) is horizontally arranged inside the mounting cavity (433), and the output of the electric push rod (434) is... The end is provided with a connecting block (435) and the top of the connecting block (435) is connected to the bottom of the sliding sleeve (431). The drive block (413) is provided with a toggle block (436) on the side near the sliding block (422). The side end of the toggle block (436) is spherical. The toggle block (436) and the stop block (432) are at the same horizontal height. The toggle block (436) is located on the side of the stop block (432) away from the dual-axis motor (414). The side of the stop block (432) near the toggle block (436) is planar.

6. The quick assembly and positioning device for wire feeding frame legs according to claim 5, characterized in that: The stop block (432) has an inclined surface on the side away from the actuating block (436), and a second spring (437) is provided at the sliding connection between the stop block (432) and the sliding sleeve (431).

7. The quick assembly and positioning device for wire feeding frame legs according to claim 6, characterized in that: It also includes a cleaning component (5) disposed between the two clamping components (42). The cleaning component (5) includes a piston cylinder (51) disposed on the top of the drive box (411) and located between the sliding blocks (422) in the two clamping components (42). A piston rod (52) is horizontally disposed on the adjacent side of the sliding blocks (422) in the two clamping components (42). The two piston rods (52) pass through the two ends of the piston cylinder (51) respectively, and the piston end of the piston rod (52) is slidably connected to the interior of the piston cylinder (51) in the horizontal direction.

8. The quick assembly and positioning device for wire feeding frame legs according to claim 7, characterized in that: The piston cylinder (51) is provided with a cleaning pipe (53) in the middle of the side away from the drive block (413) and facing the lower welding surface of the T-shaped base (21) and the support beam (23). An air inlet valve is provided at the connection between the cleaning pipe (53) and the piston cylinder (51), and an air outlet valve (54) is connected to the top of the middle part of the piston cylinder (51).

9. A quick assembly and positioning device for wire feeding frame legs according to claim 8, characterized in that: The base fixing device (6) includes a limiting groove (61) provided on the top of the welding platform (1). The limiting groove (61) fits the shape of the T-shaped base (21). The depth of the limiting groove (61) is less than the thickness of the T-shaped base (21). The base fixing device (6) also includes a fixing component (62) provided inside the welding platform (1).

10. A quick assembly and positioning device for wire feeding frame legs according to claim 9, characterized in that: The fixing component (62) includes three fixing cavities (621) located inside the welding platform (1) and on the three sides of the limiting groove (61). Each fixing cavity (621) is provided with a driving cylinder (622). Each driving cylinder (622) has a fixing block (623) at its output end. Each fixing cavity (621) has an opening on the side adjacent to the limiting groove (61) that allows the fixing block (623) to pass through the limiting groove (61) and abut against the side end of the T-shaped base (21).