An adjustable welding ignition device

Abstract

This invention discloses an adjustable welding ignition device, belonging to the field of welding technology. It includes a beam constraint module comprising a front constraint shell, a rear constraint shell, a bottom constraint shell, and side adjustment rods. Two bottom constraint shells are fixedly connected to the bottoms of the front and rear constraint shells, respectively. Two symmetrically distributed positioning blocks are provided on the outer side of the beam constraint module. In this invention, four side adjustment rods move within the two positioning blocks. By changing the positions of the front constraint shell, rear constraint shell, I-beam contour shell, contour top shell, and contour bottom shell, the separated beam constraint module and bottom beam constraint module are restored on the beam to be welded, and respectively clamp the beam and bottom beam to be welded. The I-beam constraint module supports the I-beam located on the side of the beam from the outside, facilitating the operator's connection, structural adjustment, and positioning of the welding ignition device onto the beam to be welded.

Description

Technical Field

[0001] This invention relates to the field of welding technology, specifically an adjustable welding ignition device. Background Technology

[0002] Steel structural beams are widely used in construction. The components of steel structural beams in buildings include horizontal beams, bottom beams, vertical columns, and I-beams. Horizontal beams, the angled bottom beams below them, and the I-beams located beside them are all assembled by welding. During welding, a welding spatter is attached below the beam to be welded to block and collect welding spatter. However, the welding operations for horizontal beams, bottom beams, and I-beams involve numerous welding points and a wide welding surface. The positions of the welding points vary between components, and operators manually operate welding torches to perform welding work outside the welding points, with each welding point in an unobstructed state. When welding the I-beam located on the side of the crossbeam, it is necessary to weld the I-beam from the side of the crossbeam. When welding the two welding points at the upper and lower parts of the bottom beam, it is necessary to change the position to both sides of the bottom beam. The welding spatter generated will splash in different directions at different welding points. The suspended hopper under the crossbeam is not enough to directly block and collect the welding spatter in different welding areas of the component. The welding spatter cannot fall completely into the hopper suspended in the designated position, which affects the welding ignition effect. Summary of the Invention

[0003] The purpose of this invention is to provide an adjustable welding ignition device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] An adjustable welding ignition device includes a beam constraint module. The beam constraint module comprises a front constraint shell, a rear constraint shell, a bottom constraint shell, and side adjustment rods. Two bottom constraint shells are fixedly connected to the bottoms of the front and rear constraint shells, respectively. Two symmetrically distributed positioning blocks are provided on the outer side of the beam constraint module, engaging with the top of the beam. Four side adjustment rods are provided. The front and rear constraint shells are slidably connected between the two positioning blocks via corresponding side adjustment rods. Both the front and rear constraint shells are secured to the outer side of the beam. An I-beam constraint module is fixedly connected to the inner wall of the front constraint shell. The module includes an I-beam conforming shell and a welding torch head sleeve. The welding torch head sleeve is slidably connected to the outside of the I-beam conforming shell, and the I-beam conforming shell is clamped to the outside of the I-beam on the side of the crossbeam. Below the crossbeam constraint module, there is a bottom beam constraint module for connecting the bottom beam. The bottom beam constraint module includes a conforming top shell, a conforming bottom shell, and a combination block. There are two conforming top shells, two conforming bottom shells, and two combination blocks. The conforming bottom shell is fixedly connected to the bottom of the corresponding conforming top shell through the corresponding combination block. The two conforming top shells are respectively fixedly connected to the bottom of the two constraint bottom shells, and the conforming bottom shell is clamped to the outside of the bottom beam. Welding torch head adjustment blocks are slidably connected to the inside of both the crossbeam constraint module and the bottom beam constraint module.

[0006] Furthermore, two symmetrically distributed side adjustment rods are fixedly connected to the outer walls of both the front constraint shell and the rear constraint shell. The other end of each side adjustment rod is inserted into the corresponding positioning block. The ends of the two corresponding side adjustment rods placed inside the positioning block are in close contact, so that the corresponding sides of the front constraint shell and the rear constraint shell are in close contact.

[0007] Furthermore, the I-shaped profiled shell is fixedly connected to the inner wall of the crossbeam constraint module, and an adjusting ball seat is fixedly connected to the outer wall of the welding torch head shell. The outer wall of the I-shaped profiled shell has a moving channel, and the adjusting ball seat is slidably connected inside the moving channel. The front constraint shell has a guide groove corresponding to the welding torch head shell.

[0008] Furthermore, the two assembly blocks are respectively fixedly connected to the bottom of the two contoured top shells, the two assembly blocks are diagonally distributed, and the bottom of the assembly block is fixedly connected to the top of the corresponding contoured bottom shell.

[0009] Furthermore, a transverse welding guide groove is formed between the bottom of the front constraint shell, the bottom of the rear constraint shell, and the top of the two constraint bottom shells, and an inclined welding guide groove is formed between the bottom of the contoured top shell and the top of the contoured bottom shell. The welding gun head adjustment block is slidably connected inside both the transverse welding guide groove and the inclined welding guide groove.

[0010] Furthermore, a card frame is fixedly connected to the bottom of the positioning block, and the card frame is clamped to the top of the crossbeam. The front constraint shell, the rear constraint shell, the constraint bottom shell, and the contouring bottom shell are all provided with contouring slots.

[0011] Furthermore, the guide channel, the transverse welding guide channel, and the inclined welding guide channel are all fixedly connected with staggered sealing pads, and the inner wall of the constraint bottom shell and the inner wall of the conformal bottom shell are all fixedly connected with asbestos pads.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This invention uses two positioning blocks positioned at the top of the crossbeam to position the combined crossbeam constraint module, I-beam constraint module, and bottom beam constraint module on the outside of the beam to be welded. Four side adjustment rods move inside the two positioning blocks respectively. By changing the positions of the front constraint shell, rear constraint shell, I-beam contour shell, contour top shell, and contour bottom shell, the separated crossbeam constraint module and bottom beam constraint module are restored on the beam to be welded and respectively clamp the crossbeam and bottom beam to be welded. The I-beam constraint module supports the I-beam located on the side of the crossbeam from the outside. This facilitates the connection, structural adjustment, and positioning of the welding ignition device onto the beam to be welded by the operator. At the same time, it enables the alignment of multiple components to be welded on the beam in the designated welding area, which can improve the subsequent welding effect and efficiency.

[0014] 2. This invention, by setting adjustable structural and positional crossbeam constraint modules, I-beam constraint modules, and bottom beam constraint modules, can constrain and position the crossbeam to be welded and the I-beam located on the side of the crossbeam within the isolation space of the crossbeam constraint module during welding. The bottom beam located below the crossbeam is also constrained and positioned within the isolation space of the bottom beam constraint module. This ensures that different welding areas of the beam to be welded are always in an independent isolation space. The operator aligns the welding torch head with the welding torch head housing and the corresponding welding torch head adjustment block. The welding torch head housing can then move along the side trajectory of the I-beam along the outside of the I-beam contour shell, thus constraining the crossbeam. The welding torch head adjustment block on the module moves along the side of the transverse welding guide groove, and the welding torch head adjustment block on the bottom beam constraint module moves along the side of the inclined welding guide groove. This achieves the effect of guiding the welding torch head to move in the designated welding area outside the beam for welding operations. It can assist operators in performing welding operations at designated positions in an independent isolation space. At the same time, the guided welding torch head always moves in the isolation space of the corresponding welding area to complete the welding operations at each point and connection surface. This achieves the effect of regional blocking and collection of spatter generated by welding at each welding point, thereby improving the welding connection effect. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments, the accompanying drawings will be briefly described below.

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a detailed schematic diagram of the present invention;

[0018] Figure 3 for Figure 2 A structural diagram from another perspective;

[0019] Figure 4 This is a schematic diagram of a partial separation structure of the present invention;

[0020] Figure 5 for Figure 4 A structural diagram from another perspective;

[0021] In the diagram: 1. Crossbeam constraint module; 11. Front constraint shell; 111. Guide slot; 12. Rear constraint shell; 13. Constraint bottom shell; 14. Side adjustment rod; 15. Transverse welding guide slot; 2. Positioning block; 21. Clip frame; 3. I-beam constraint module; 31. I-beam contour shell; 311. Moving channel; 32. Welding torch head shell; 321. Adjusting ball seat; 4. Bottom beam constraint module; 41. Contouring top shell; 42. Contouring bottom shell; 43. Combination block; 44. Inclined welding guide slot; 5. Welding torch head adjustment block; 6. Contouring clip slot; 7. Sealing pad; 8. Asbestos pad. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Specific mechanical structures of the present invention will be described in conjunction with the following references. Figures 1 to 5 The detailed description of the structure will be clearly presented. All structural contents mentioned in the following embodiments are based on the accompanying drawings.

[0023] Please see Figures 1-5In this embodiment of the invention, an adjustable welding ignition device includes a beam constraint module 1. The beam constraint module 1 includes a front constraint shell 11, a rear constraint shell 12, a constraint bottom shell 13, and side adjustment rods 14. There are two constraint bottom shells 13, which are respectively fixedly connected to the bottoms of the front constraint shell 11 and the rear constraint shell 12. Two symmetrically distributed positioning blocks 2 are provided on the outer side of the beam constraint module 1, and the positioning blocks 2 are engaged with the top of the beam. There are four side adjustment rods 14. The front constraint shell 11 and the rear constraint shell 12 are slidably connected between the two positioning blocks 2 through corresponding side adjustment rods 14. Both the front constraint shell 11 and the rear constraint shell 12 are clamped to the outer side of the beam. An I-beam constraint module 3 is fixedly connected to the inner wall of the front constraint shell 11. The beam constraint module 3 includes an I-beam contour shell 31 and a welding torch head sleeve 32. The welding torch head sleeve 32 is slidably connected to the outside of the I-beam contour shell 31. The I-beam contour shell 31 is clamped to the outside of the I-beam on the side of the crossbeam. Below the crossbeam constraint module 1, there is a bottom beam constraint module 4 for connecting the bottom beam. The bottom beam constraint module 4 includes a contour top shell 41, a contour bottom shell 42, and a combination block 43. There are two contour top shells 41, two contour bottom shells 42, and two combination blocks 43. The contour bottom shell 42 is fixedly connected to the bottom of the corresponding contour top shell 41 through the corresponding combination block 43. The two contour top shells 41 are respectively fixedly connected to the bottom of the two constraint bottom shells 13. The contour bottom shell 42 is clamped to the outside of the bottom beam. Welding torch head adjustment blocks 5 are slidably connected to the inside of both the crossbeam constraint module 1 and the bottom beam constraint module 4.

[0024] The crossbeam constraint module 1, the I-beam constraint module 3, and the bottom beam constraint module 4 cooperate to connect the beam to be welded. The crossbeam constraint module 1 consists of a front constraint shell 11, a rear constraint shell 12, a constraint bottom shell 13, and side adjustment rods 14. There are two constraint bottom shells 13, which are fixedly connected to the bottom of the front constraint shell 11 and the rear constraint shell 12, respectively, and the front constraint shell 11 and the rear constraint shell 12 stably connect the two constraint bottom shells 13. There are four side adjustment rods 14. Two symmetrically distributed side adjustment rods 14 are fixedly connected to the outer walls of the front constraint shell 11 and the rear constraint shell 12. Two symmetrically distributed positioning blocks 2 are provided on the outer side of the crossbeam constraint module 1, and the two positioning blocks 2 are used to connect the four side adjustment rods 14. The positioning block 2 has through holes for corresponding side adjustment rods 14. The other end of the side adjustment rod 14 is inserted into the corresponding through hole on the positioning block 2. The four side adjustment rods 14 are respectively connected to the corresponding positioning blocks 2, connecting the front constraint shell 11 and the rear constraint shell 12 one in front and one behind between the two positioning blocks 2. The end of the side adjustment rod 14 placed inside the corresponding through hole on the positioning block 2 can move inside the through hole, changing the length of the side adjustment rod 14 extending into the positioning block 2, thereby changing the position of the front constraint shell 11 or the rear constraint shell 12, so that the front constraint shell 11 and the rear constraint shell 12 can move closer to each other or further away. The ends of the two corresponding side adjustment rods 14 placed inside the positioning block 2 are tightly attached together. At the same time, the side adjustment rods 14 are positioned inside the positioning block 2, so that the corresponding sides of the front constraint shell 11 and the rear constraint shell 12 are tightly attached together, and the corresponding sides of the two constraint bottom shells 13 are also tightly attached together, restoring the crossbeam constraint module 1 from the separated state to the mold closed state. A locking frame 21 is fixedly connected to the bottom of the positioning block 2. The locking frame 21 can be locked onto the top of the beam to be welded, thereby firmly fixing the positioning block 2 on the top of the beam. The positioning block 2 is connected to the top of the beam to be welded by a locking mechanism, which facilitates the connection operation of the positioning block 2 and the beam constraint module 1 onto the beam to be welded. Positioning the positioning block 2 and the beam constraint module 1 on the beam to be welded allows the front constraint shell 11 and the rear constraint shell 12 to move one in front of the other on the outside of the beam to be welded. The front constraint shell 11, the rear constraint shell 12, and the constraint bottom shell 13 are all provided with contouring slots 6. The contouring slots 6 allow the front constraint shell 11 and the rear constraint shell 12, which have been restored to the mold-closed state, to be clamped to the outside of the crossbeam. The contouring slots 6 on the constraint bottom shell 13 are clamped to the bottom beam below the crossbeam to be welded, which enables the alignment between the bottom beam and the crossbeam. At the same time, it can constrain the welding area between the bottom beam and the crossbeam in an independent isolation space formed between the front constraint shell 11, the rear constraint shell 12, and the two constraint bottom shells 13, allowing the operator to perform multi-point welding operations between the bottom beam and the crossbeam in this isolation space.

[0025] An I-beam constraint module 3 is fixedly connected to the inner wall of the front constraint shell 11. The I-beam constraint module 3 corresponds to the I-beam on the side of the crossbeam and is used to constrain the I-beam located on the side of the crossbeam. The I-beam constraint module 3 consists of an I-beam contour shell 31 and a welding torch head cover 32. An adjusting ball seat 321 is fixedly connected to the outer wall of the welding torch head cover 32. A moving channel 311 is opened on the outer wall of the I-beam contour shell 31. The adjusting ball seat 321 is slidably connected inside the moving channel 311, so that the welding torch head cover 32 is slidably connected to the outside of the I-beam contour shell 31. The welding torch head cover 32 can move along the moving channel 311 on the outside of the I-beam contour shell 31, which is beneficial to changing the position of the welding torch head cover 32. The I-beam contour shell 31 is fixedly connected to the inner wall of the crossbeam constraint module 1, stably fixing the I-beam constraint module 3 inside the front constraint shell 11. The I-beam contour shell 31 can move with the front constraint shell 11, allowing it to clamp onto the outer side of the I-beam on the side of the crossbeam, thus supporting the I-beam located on the side of the crossbeam from the outside. The I-beam is constrained in an independent isolation space formed between the front constraint shell 11, the rear constraint shell 12, and the two constraint bottom shells 13, allowing operators to perform multi-point welding operations on the I-beam within this isolation space.

[0026] Below the crossbeam constraint module 1, a bottom beam constraint module 4 is provided. The bottom beam constraint module 4 is used to connect the bottom beam to be welded, located below the crossbeam to be welded. The bottom beam constraint module 4 consists of a contoured top shell 41, a contoured bottom shell 42, and a combination block 43. There are two contoured top shells 41, two contoured bottom shells 42, and two combination blocks 43. The two combination blocks 43 are fixedly connected to the bottom of the two contoured top shells 41, and the two combination blocks 43 are diagonally distributed. The bottom of the combination block 43 is fixedly connected to the top of the corresponding contoured bottom shell 42. The contoured bottom shell 42 is fixedly connected to the bottom of the corresponding contoured top shell 41 through the corresponding combination block 43. The two contoured top shells 41 are fixedly connected to the bottom of the two constraint bottom shells 13, stably connecting the bottom beam constraint module 4 below the crossbeam constraint module 1. The front constraint shell 11 and the rear constraint shell 12 move outside the crossbeam. The two contoured top shells 41 and the two contoured bottom shells 42 can move outside the bottom beam. The contoured bottom shell 42 is also provided with contoured slots 6, so that the contoured bottom shell 42 can be locked onto the outside of the bottom beam. When restored to the mold-closed state, the two contoured top shells 41 and the two contoured bottom shells 42 are locked onto the outside of the bottom beam. While the crossbeam constraint module 1 is aligned with the welding area at the upper end of the crossbeam and the bottom beam, the bottom beam is aligned and reinforced. At the same time, the welding area of ​​the lower part of the bottom beam is aligned and isolated, and the welding area of ​​the lower part of the bottom beam is constrained in an independent isolation space formed between the two contoured top shells 41 and the two contoured bottom shells 42. This allows the operator to perform multi-point welding operations on the lower part of the bottom beam in this isolation space.

[0027] Two positioning blocks 2 are positioned on top of the beam to be welded via two clamping frames 21, positioning the separated beam constraint module 1, I-beam constraint module 3, and bottom beam constraint module 4 on the outside of the beam to be welded. Four side adjustment rods 14 move within the two positioning blocks 2, changing the positions of the front constraint shell 11, rear constraint shell 12, I-beam contour shell 31, contour top shell 41, and contour bottom shell 42, allowing the separated beam constraint module 1 and bottom beam constraint module 4 to reassemble on the beam to be welded. The beam constraint module 1 is clamped onto the beam to be welded, simultaneously clamping the upper end of the connecting bottom beam. The bottom beam constraint module 4 is clamped onto the outside of the bottom beam to be welded. The I-beam constraint module 3 supports the I-beam located on the side of the beam from the outside, facilitating the connection, structural adjustment, and positioning of the welding welding device onto the beam to be welded by the operator. This allows for the alignment of multiple components to be welded on the beam within a designated welding area, improving subsequent welding results and efficiency.

[0028] Welding gun head adjusting blocks 5 are slidably connected to the inner sides of both the crossbeam constraint module 1 and the bottom beam constraint module 4. The welding gun head adjusting blocks 5 are used to insert the welding gun head. A transverse welding guide groove 15 is formed between the bottom of the front constraint shell 11, the bottom of the rear constraint shell 12, and the tops of the two constraint bottom shells 13. An inclined welding guide groove 44 is formed between the bottom of the contoured top shell 41 and the top of the contoured bottom shell 42. Welding gun head adjusting blocks 5 are slidably connected inside both the transverse welding guide groove 15 and the inclined welding guide groove 44, which is beneficial for changing the position of the welding gun head adjusting blocks 5. The welding torch head adjusting block 5, located inside the transverse welding guide groove 15, moves along the side of the transverse welding guide groove 15, allowing it to move outside the welding area between the upper end of the bottom beam and the crossbeam. Similarly, the welding torch head adjusting block 5, located inside the inclined welding guide groove 44, moves along the side of the inclined welding guide groove 44, allowing it to move outside the welding area of ​​the lower part of the bottom beam. By placing the welding torch head inside the designated welding torch head adjusting block 5 and changing its position, the welding torch head can move along the weld seam outside the designated welding area, facilitating welding operations in that area. The welding torch head is inserted into the welding torch head housing 32. A guide groove 111 corresponding to the welding torch head housing 32 is provided on the front constraint housing 11, allowing the welding torch head housing 32 to move along the outside of the I-beam profiled housing 31, ensuring stable movement of the welding torch head along the weld seam outside the welding area between the I-beam and the crossbeam, thus improving welding effect and efficiency. The guide groove 111, the transverse welding guide groove 15, and the inclined welding guide groove 44 are all fixedly connected with staggered sealing pads 7. These staggered sealing pads 7 close the corresponding guide grooves 111, transverse welding guide grooves 15, and inclined welding guide grooves 44, allowing the welding torch at the corresponding position of the welding torch head housing 32 and the designated welding torch head adjusting block 5 to periodically push open the corresponding sealing pads 7 before moving. The pushed-open sealing pads 7 can then recover, keeping the corresponding isolation space in a side-closed state to ensure effective welding. The adjustable structure and the positions of the crossbeam constraint module 1, I-beam constraint module 3, and bottom beam constraint module 4 constrain and position the crossbeam to be welded and the I-beam located on the side of the crossbeam within the isolation space of the crossbeam constraint module 1 during welding, and constrain and position the bottom beam located below the crossbeam within the isolation space of the bottom beam constraint module 4, so that the different welding areas of the beam to be welded are always in an independent isolation space.The operator positions the welding torch head inside the welding torch head housing 32 and the corresponding welding torch head adjusting block 5. The welding torch head housing 32, carrying the welding torch head, moves along the side trajectory of the I-beam outside the I-beam profile housing 31. The welding torch head adjusting block 5 on the crossbeam constraint module 1 moves along the side of the transverse welding guide groove 15, and the welding torch head adjusting block 5 on the bottom beam constraint module 4 moves along the side of the inclined welding guide groove 44. This achieves the effect of guiding the welding torch head to perform welding operations in the designated welding area outside the beam, and can assist the operator in performing welding operations in designated positions in an independent isolated space. The guided welding torch head moves continuously within the isolation space of the corresponding welding area to complete the welding operations at each point and the connecting surface. The spatter generated during the welding process is retained in the corresponding isolation space, achieving the effect of regional blocking and collection of the spatter generated at each welding point. Asbestos pads 8 are fixedly connected to the inner walls of the constraint base 13 and the inner walls of the contour base 42, which can improve the collection effect of welding spatter, thereby improving the welding connection effect.

[0029] The working principle of this invention is as follows: Two positioning blocks 2 are positioned on the top of the beam to be welded, and the separated beam constraint module 1, I-beam constraint module 3, and bottom beam constraint module 4 are positioned on the outside of the beam to be welded. The four side adjustment rods 14 move inside the two positioning blocks 2 respectively, allowing the separated beam constraint module 1 and bottom beam constraint module 4 to be restored on the beam to be welded. The beam constraint module 1 is clamped on the beam to be welded, and at the same time, it is clamped on the upper end of the bottom beam. The bottom beam constraint module 4 is clamped on the outside of the bottom beam to be welded. The I-beam constraint module 3 supports the I-beam located on the side of the beam from the outside. The operator places the welding torch head into the welding torch head sleeve 32 and the corresponding welding torch head adjustment block 5. The welding torch head sleeve 32, along with the welding torch head, moves the welding torch head into the welding torch head. The welding torch head moves along the side trajectory of the I-beam on the outside of the I-beam profile shell 31 to weld the I-beam and the crossbeam. The welding torch head adjusting block 5, located inside the transverse welding guide groove 15, moves along the side of the transverse welding guide groove 15 with the corresponding welding torch head to weld the upper end of the bottom beam and the bottom of the crossbeam. The welding torch head adjusting block 5, located inside the inclined welding guide groove 44, moves along the side of the inclined welding guide groove 44 with the corresponding welding torch head to weld the lower part of the bottom beam. This assists the operator in performing welding operations at designated positions in an independent isolation space. The spatter generated during the welding process is retained in the corresponding isolation space, and the spatter generated at each welding point is blocked and collected in a regional manner.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable welding ignition device, characterized in that, The system includes a beam constraint module (1), which includes a front constraint shell (11), a rear constraint shell (12), a constraint bottom shell (13), and side adjustment rods (14). There are two constraint bottom shells (13), which are fixedly connected to the bottom of the front constraint shell (11) and the rear constraint shell (12), respectively. There are two symmetrically distributed positioning blocks (2) on the outside of the beam constraint module (1), which are engaged with the top of the beam. There are four side adjustment rods (14). The front constraint shell (11) and the rear constraint shell (12) are slidably connected between the two positioning blocks (2) through the corresponding side adjustment rods (14). The front constraint shell (11) and the rear constraint shell (12) are both clamped to the outside of the beam. The inner wall of the front constraint shell (11) is fixedly connected to an I-beam constraint module (3). The I-beam constraint module (3) includes an I-beam contour shell (31) and a welding torch head cover (32). The welding torch head cover (32) is slidably connected to the outside of the I-beam contour shell (31). The I-beam contour shell (31) is clamped to the outside of the I-beam on the side of the crossbeam. Below the crossbeam constraint module (1) is a bottom beam constraint module (4) for connecting the bottom beam. The bottom beam constraint module (4) includes a contoured top shell (41), a contoured bottom shell (42), and a combination block (43). There are two contoured top shells (41), two contoured bottom shells (42), and two combination blocks (43). The contoured bottom shell (42) is fixedly connected to the bottom of the corresponding contoured top shell (41) through the corresponding combination block (43). The two contoured top shells (41) are fixedly connected to the bottom of the two constraint bottom shells (13) respectively. The contoured bottom shell (42) is clamped to the outside of the bottom beam. Both the crossbeam constraint module (1) and the bottom beam constraint module (4) are slidably connected to a welding gun head adjustment block (5).

2. The adjustable welding contact device according to claim 1, characterized in that, The outer walls of the front constraint shell (11) and the rear constraint shell (12) are each fixedly connected with two symmetrically distributed side adjustment rods (14). The other end of the side adjustment rod (14) is inserted into the corresponding positioning block (2). The ends of the two corresponding side adjustment rods (14) placed inside the positioning block (2) are tightly attached to each other so that the corresponding sides of the front constraint shell (11) and the rear constraint shell (12) are tightly attached.

3. The adjustable welding contact device according to claim 1, characterized in that, The I-shaped shell (31) is fixedly connected to the inner wall of the crossbeam constraint module (1). An adjusting ball seat (321) is fixedly connected to the outer wall of the welding gun head shell (32). A moving channel (311) is opened on the outer wall of the I-shaped shell (31). The adjusting ball seat (321) is slidably connected inside the moving channel (311). A guide groove (111) corresponding to the welding gun head shell (32) is opened on the front constraint shell (11).

4. The adjustable welding contact device according to claim 1, characterized in that, The two assembly blocks (43) are respectively fixedly connected to the bottom of the two contoured top shells (41), the two assembly blocks (43) are diagonally distributed, and the bottom of the assembly block (43) is fixedly connected to the top of the corresponding contoured bottom shell (42).

5. An adjustable welding contact device according to claim 3, characterized in that, A transverse welding guide groove (15) is formed between the bottom of the front constraint shell (11), the bottom of the rear constraint shell (12), and the tops of the two constraint bottom shells (13). An inclined welding guide groove (44) is formed between the bottom of the contoured top shell (41) and the top of the contoured bottom shell (42). The welding gun head adjustment block (5) is slidably connected inside both the transverse welding guide groove (15) and the inclined welding guide groove (44).

6. The adjustable welding contact device according to claim 1, characterized in that, The bottom of the positioning block (2) is fixedly connected to a card frame (21), which is clamped to the top of the crossbeam. The front constraint shell (11), the rear constraint shell (12), the constraint bottom shell (13), and the contour bottom shell (42) are all provided with contour slots (6).

7. An adjustable welding contact device according to claim 5, characterized in that, The guide channel (111), the transverse welding guide channel (15) and the inclined welding guide channel (44) are all fixedly connected with staggered sealing pads (7), and the inner wall of the constraint bottom shell (13) and the inner wall of the contour bottom shell (42) are both fixedly connected with asbestos pads (8).

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