Split type welding front wall plate and welding method thereof

Abstract

The invention relates to the technical field of split type welding front wall plates and welding methods thereof, and discloses a split type welding front wall plate and a welding method thereof.The split type welding front wall plate comprises an anti-collision plate, a supporting frame formed by splicing the inner side of the anti-collision plate and a mounting table arranged on the upper side of the anti-collision plate, and a positioning assembly mechanism is arranged on the inner side of the anti-collision plate; an adjusting anti-dislocation mechanism bag and a quick mounting mechanism are arranged on the upper side of the anti-collision plate, the quick mounting mechanism is arranged on one side of the adjusting anti-dislocation mechanism bag, the positioning and assembling mechanism comprises a supporting frame, the supporting frame is slidably connected to the inner side of the anti-collision plate, and a splicing frame is slidably connected to the outer wall of the supporting frame; the adjusting anti-dislocation mechanism is used for adjusting the connecting point position between the anti-collision plate and the mounting table, the connecting accuracy of the structure is improved, and the quick mounting mechanism is used for disassembling and assembling the automobile lamp type detachable device so as to guarantee the disassembling and assembling convenience of the structural part.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of split welding front wall plate and its welding method, in particular to a split welding front wall plate and its welding method. BACKGROUND

[0002] The front wall plate is the main load-bearing structure of the front part of the vehicle, which is usually composed of a main plate, a reinforcing rib, various types of mounting supports and anti-collision components, etc. The split design is mainly used to optimize material use, adapt to the performance requirements of different components, and solve the problem of manufacturing and transportation of large components. Its core function is to provide a high-precision mounting base and reliable connection support for the engine, radiator, suspension system and vehicle body cover. In manufacturing, split design facilitates assembly through welding.

[0003] In the installation process of the traditional support anti-collision structure, the punching positioning method is usually used to facilitate accurate welding, but although there are positioning holes, some processes still retain manual operation methods, and there is no reliable connection structure, which makes the structural member prone to misalignment during welding, resulting in welding deviation, increasing the difficulty of accurate welding, and in the installation of the load-bearing structure, if there is a slight deviation between the welding point and the punching, the connection point may be asymmetric due to the misalignment of the center of gravity, affecting the service life of the device, and in the traditional device, the vehicle lamp part is usually installed by multiple bolts, which is time-consuming. SUMMARY

[0004] The purpose of the present application is to provide a split welding front wall plate and its welding method to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical solution: a split welding front wall plate and its welding method, comprising an anti-collision plate, a support frame composed of an anti-collision plate inside and a mounting table provided on the upper side of the anti-collision plate, the inside of the anti-collision plate is provided with a positioning assembly mechanism, the upper side of the anti-collision plate is provided with an anti-misalignment adjustment mechanism and a quick installation mechanism, and the quick installation mechanism is provided on one side of the anti-misalignment adjustment mechanism. The positioning assembly mechanism comprises a support frame, the support frame is slidingly connected to the inside of the anti-collision plate, the support

[0006] The out-of-frame wall is slidably connected with a splicing frame, the splicing frame and the support frame are fixedly connected with guide blocks on one side close to the anti-collision plate, the guide blocks, the splicing frame and the support frame form a support frame, the guide blocks, the splicing frame and the support frame are integrally formed, a plurality of guide plates are fixedly connected on one side of the anti-collision plate, the guide plates are arranged on the side close to the inside of the anti-collision plate, a welding plate is fixedly connected in the inside of the splicing frame and the support frame, a spring is fixedly connected on one side of the welding plate, a top plate is slidably connected in the inside of the support frame and the splicing frame, the top plate is arranged on the end close to the anti-collision plate of the spring, a stud is fixedly connected on one side of the top plate close to the anti-collision plate, the stud extends through the anti-collision plate to the side of the anti-collision plate, and a nut is threadedly connected on the outer wall of the stud.

[0007] Preferably, the support frame and the splicing frame are both arranged in a U shape.

[0008] Preferably, the guide plates are arranged on the side close to the guide blocks.

[0009] Preferably, the guide plates and the top plate are both arranged in a square structure.

[0010] Preferably, the anti-misalignment adjusting mechanism comprises a sliding cover fixedly connected to the upper side of the anti-collision plate, a plurality of sliding grooves are formed in the upper side of the sliding cover, a plurality of arc-shaped frames are slidably connected in the inside of the sliding cover, a connecting table is fixedly connected to the end away from each arc-shaped frame, the connecting table is slidably connected in the inside of the sliding cover, a connecting column is fixedly connected to the upper surface of each connecting table, a row of teeth is fixedly connected to the side close to each arc-shaped frame, a gear is rotatably connected in the inside of the sliding cover, and the gear is meshingly connected with each row of teeth.

[0011] Preferably, the sliding grooves are formed in the middle of the sliding cover.

[0012] Preferably, the connecting tables are slidably connected with the inner wall of the sliding cover.

[0013] Preferably, the quick mounting mechanism comprises a supporting cylinder fixedly connected in the inside of the mounting table, a threaded column is threadedly connected in the inside of the mounting table, a sliding disc is rotatably connected to the outer wall of the threaded column, the sliding disc is slidably connected in the inside of the supporting cylinder, an elastic member is fixedly connected between the sliding disc and the inner wall of the mounting table, a plurality of insertion rods are fixedly connected to one side of the mounting table, an installation seat is slidably connected to the outer wall of each insertion rod, a limiting cover is fixedly connected to the side of the installation seat close to the anti-collision plate, a plurality of top balls are slidably connected in the inside of the supporting cylinder, an elastic ring is fixedly connected between the top balls, the elastic ring is sleeved on the outer wall of the threaded column,

[0014] One end of the threaded column is fixedly connected with a top block.

[0015] Preferably, the limiting cover is internally formed with a columnar notch with an isosceles trapezoidal cross section.

[0016] S1. Part forming: the guide blocks are formed by pouring respectively with the support frame and the splicing frame, the guide plates are formed by pressing and bending, and the mounting table is formed by die casting.

[0017] S2. Positioning assembly, preliminary fixing and welding: the guide plates, welding plates, springs, top plates and studs are respectively preassembled in the support frame, then the springs and the support frame are welded, ensuring that the studs can penetrate the anti-collision plate under the push of the springs and the top plates, then the splicing frame is buckled outside the support frame, then the preassembled support frame and splicing frame are slid along the inside of the anti-collision plate, so that the guide blocks on the outer walls of the support frame and the splicing frame correspondingly fit the guide plates on the inside of the anti-collision plate, until the end of the stud away from the top plate penetrates the anti-collision plate, a nut is screwed on the end of the stud protruding from the anti-collision plate and tightened, forming the assembly and positioning of the support frame; through the springback force of the spring and the locking force of the nut, the support frame, the splicing frame and the anti-collision plate are kept closely fitted, then the joint between the support frame, the splicing frame and the anti-collision plate is welded and fixed; S3. Anti-misplacement adjustment and mounting table butt welding: rotate the gear inside the sliding cover of the anti-misplacement adjustment mechanism, drive multiple arc-shaped frames to slide synchronously inside the sliding cover through the meshing transmission of the gear and the teeth on one side of the arc-shaped frame, and move the connecting table and connecting column at the end of the arc-shaped frame; observe the butt joint position of the connecting column and the mounting table, stop rotating the gear when the connecting column moves to align with the pre-set mounting hole of the mounting table, then fix and connect the mounting table and the connecting column, and then weld the connection between the mounting table and the anti-collision plate and the connection between the mounting table and the connecting column to prevent the mounting table from misplacing due to connection point error during welding and improve the error identification effect on the mounting table hole.

[0018] Compared with the prior art, the present application provides a split type welding front wall plate and a welding method thereof, which has the following beneficial effects: 1. The positioning assembly mechanism is used for quickly and accurately connecting the anti-collision structure and the support structure for convenient welding. The mechanism guides the support frame and the splicing frame through the guide blocks and the guide plates, positions the support frame and the splicing frame through the top plate, the stud and the nut, then welds the support frame and the splicing frame, and limits the stud and the anti-collision plate through the nut, thereby stabilizing the anti-collision plate and the support frame as a whole.

[0019] Quick connection for convenient and stable welding work.

[0020] 2. The anti-misplacement adjustment mechanism is used for adjusting the connection point between the anti-collision plate and the mounting table. The mechanism makes multiple connecting columns move synchronously through the gear structure, so that the device can reduce the misplacement of the welding point and the positioning hole or more easily detect the existence of error, and improve the connection accuracy of the structure.

[0021] 3. The quick mounting mechanism is used for dismounting and mounting the detachable device of the vehicle lamp type. The mechanism quickly establishes stable connection between the mounting table and the mounting base through the cooperation of the threaded column, the top ball and the top block, so that the device no longer needs to install the bolts one by one, so as to ensure the dismounting and mounting convenience of the structural member. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor based on these drawings: Fig. 1 is a structural schematic diagram of the present application; Fig. 2 is a structural schematic diagram of another view of the present application; Fig. 3 is a structural schematic diagram of a support frame in the present application; Fig. 4 is a half-section structural schematic diagram of a welding plate in the present application; Fig. 5 is a half-section structural schematic diagram of a gear in the present application; Fig. 6 is a structural schematic diagram of an arc-shaped frame in the present application; Fig. 7 is a structural schematic diagram of an insertion rod in the present application; Fig. 8 is a half-section structural schematic diagram of a supporting cylinder in the present application; Fig. 9 is a half-section structural schematic diagram of a limiting cover in the present application; Fig. 10 is a structural schematic diagram of a top block in the present application.

[0023] In the drawings: 1, anti-collision plate; 2, support frame; 3, mounting table; 4, positioning assembly mechanism; 401, support frame; 402, splicing frame; 403, guide block; 404, guide plate; 405, welding plate; 406, spring; 407, top plate; 408, threaded column; 409, nut; 5, adjustment anti-misalignment mechanism; 501, sliding cover; 502,

[0024] 503, arc-shaped frame; 504, connecting table; 505, connecting column; 506, gear teeth; 507, gear; 6, quick mounting mechanism; 601, supporting cylinder; 602, threaded column; 603, sliding disc; 604, elastic member; 605, insertion rod; 606, mounting base; 607, limiting cover; 608, top ball; 609, elastic ring; 610, top block. DETAILED DESCRIPTION

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0027] Example 1: Please refer to Figures 1-10. The present invention provides a technical solution: a split-type welded front wall panel and its welding method, including a crash plate 1, a support frame 2 formed by splicing the inner side of the crash plate 1, and an installation platform 3 set on the upper side of the crash plate 1. A positioning assembly mechanism 4 is provided on the inner side of the crash plate 1, and an adjustment anti-misalignment mechanism 5 and a quick installation mechanism 6 are provided on the upper side of the crash plate 1. The quick installation mechanism 6 is located on one side of the adjustment anti-misalignment mechanism 5. This mechanism is used to assemble and connect the support structure and the crash barrier 1. It improves the ease of welding and positioning stability. The positioning and assembly mechanism 4 includes a support frame 401, which is slidably connected to the inner side of the crash barrier 1. A splicing frame 402 is slidably connected to the outer wall of the support frame 401. Guide blocks 403 are fixedly connected to both the splicing frame 402 and the side of the support frame 401 closest to the crash barrier 1. The guide blocks 403, the splicing frame 402, and the support frame 401 form a support frame 2. The guide blocks 403 are integrally formed with the support frame 401 and the splicing frame 402.

[0028] Multiple guide plates 404 are fixedly connected to one side of the impact plate 1. The guide plates 404 are all located on the same side inside the impact plate 1. A welding plate 405 is fixedly connected inside the splicing frame 402 and the support frame 401. A spring 406 is fixedly connected to one side of the welding plate 405. A top plate 407 is slidably connected inside the support frame 401 and the splicing frame 402. The top plate 407 is located at the end of the spring 406 near the impact plate 1. A stud 408 is fixedly connected to the side of the top plate 407 near the impact plate 1. The stud 408 extends through the impact plate 1 to one side of the impact plate 1. A nut 409 is threaded onto the outer wall of the stud 408.

[0029] Furthermore, both the support frame 401 and the splicing frame 402 are set to a U-shape.

[0030] Furthermore, the guide plates 404 are all located on one side close to the guide block 403.

[0031] Furthermore, both the guide plate 404 and the top plate 407 are designed as square structures.

[0032] Example 2: This mechanism is used to position and connect the upper structural components of the anti-collision plate 1. This mechanism improves the controllability of the connection of the device. Please refer to Figures 1-10. In conjunction with Embodiment 1, it is further obtained that the adjustment anti-misalignment mechanism 5 includes a sliding cover 501. The sliding cover 501 is fixedly connected to the upper side of the anti-collision plate 1. Multiple sliding grooves 502 are opened on the upper side of the sliding cover 501. Multiple arc-shaped frames 503 are slidably connected inside the sliding cover 501. A connecting platform 504 is fixedly connected to the far end of each arc-shaped frame 503. The connecting platforms 504 are slidably connected inside the sliding cover 501. A connecting column 505 is fixedly connected to the upper surface of each connecting platform 504. A toothed rack 506 is fixedly connected to the side of each arc-shaped frame 503 that is close to each other. A gear 507 is rotatably connected inside the sliding cover 501. The gear 507 meshes with the multiple toothed racks 506 respectively.

[0033] Furthermore, all the slide grooves 502 are located in the middle of the slide cover 501.

[0034] Furthermore, the connecting platform 504 is slidably connected to the inner wall of the sliding cover 501.

[0035] Example 3: This mechanism is used for quick assembly and disassembly of detachable parts. It improves the ease of installation and stability of the device. Referring to Figures 1-10 and in conjunction with Embodiment 1, the quick installation mechanism 6 further includes a support cylinder 601, which is fixedly connected inside the mounting platform 3. A threaded post 602 is threadedly connected inside the mounting platform 3, and a sliding plate 603 is rotatably connected to the outer wall of the threaded post 602. The sliding plate 603 is slidably connected to the support cylinder 601.

[0036] Inside the cylinder 601, an elastic element 604 is fixedly connected between the sliding plate 603 and the inner wall of the mounting platform 3. Multiple insertion rods 605 are fixedly connected to one side of the mounting platform 3. Mounting seats 606 are slidably connected to the outer walls of the multiple insertion rods 605. A limit cover 607 is fixedly connected to the side of the mounting seat 606 near the anti-collision plate 1. Multiple top balls 608 are slidably connected inside the support cylinder 601. Elastic rings 609 are fixedly connected between the top balls 608. The elastic rings 609 are sleeved on the outer wall of the threaded column 602. A top block 610 is fixedly connected to one end of the threaded column 602.

[0037] Furthermore, the limiting cover 607 has a cylindrical slot with an isosceles trapezoidal cross-section inside.

[0038] S1. Part Forming: The guide block 403 is formed by casting with the support frame 401 and the splicing frame 402 respectively. The guide plate 404 is formed by pressing and bending. The mounting platform 3 is formed by die casting.

[0039] S2. Positioning Assembly, Preliminary Fixing, and Welding: Pre-install the guide plate 404, welding plate 405, spring 406, top plate 407, and stud 408 inside the support frame 401. Then weld the spring 406 to the support frame 401, ensuring that the stud 408 can penetrate the anti-collision plate 1 under the push of the spring 406 and top plate 407. Next, fasten the splicing frame 402 to the outside of the support frame 401. Then, slide the pre-installed support frame 401 and splicing frame 402 along the inner side of the anti-collision plate 1, so that the guide blocks 403 on the outer walls of the support frame 401 and splicing frame 402 correspond and fit with the guide plates 404 on the inner side of the anti-collision plate 1, until the end of the stud 408 away from the top plate 407 penetrates the anti-collision plate 1. Finally, screw the nut 409 onto the end of the stud 408 extending out of the anti-collision plate 1 and tighten it, forming the support frame 2. Assembly and positioning; by using the rebound force of spring 406 and the locking force of nut 409, the support frame 401, splicing frame 402 and anti-collision plate 1 are kept in close contact, and then the joints of the support frame 401, splicing frame 402 and anti-collision plate 1 are welded and fixed. S2. Anti-misalignment adjustment and mounting platform docking welding: Rotate the gear 507 inside the sliding cover 501 of the anti-misalignment mechanism 5. Through the meshing transmission between the gear 507 and the gear 506 on one side of the arc frame 503, multiple arc frames 503 are driven to slide synchronously along the inside of the sliding cover 501, causing the connecting platform 504 and connecting column 505 at the end of the arc frame 503 to move. Observe the docking position of the connecting column 505 and the mounting platform 3. When the connecting column 505 moves to align with the preset mounting hole of the mounting platform 3, stop rotating the gear 507 and fix the mounting platform 3 and the connecting column 505. Then weld the connection between the mounting platform 3 and the anti-collision plate 1, and the connection between the mounting platform 3 and the connecting column 505 to prevent the mounting platform 3 from being misaligned due to connection point errors during the welding process and to prevent the lifting of the anti-misalignment mechanism 503.

[0040] Error recognition effect at the drilling point of mounting platform 3.

[0041] In actual operation, when this device is used, the user assembles the support frame 401, splicing frame 402, and their internal components. Then, the guide block 403 is slid into the anti-collision plate 1. The stud 408 is pushed out by the top plate 407 at the positioning hole on the anti-collision plate 1. At this point, the support frame 401, splicing frame 402, and anti-collision plate 1 are integrated, and the user can weld them together. The user can then suspend the mounting platform 3 above the anti-collision plate 1. The user then adjusts the positions of the multiple connecting posts 505 by rotating the gear 507 to accommodate hole deviations or different models requiring adjustment. The connecting posts 505 can then be welded to the mounting platform 3. When installing automotive light components, the user inserts the mounting base 606 into the outside of the insert rod 605. At this time, the slide cylinder is located inside the limiting cover 607. The user can then turn the threaded post 602, which drives the top block 610 to actuate multiple top balls 608 and the limiting cover 607. The internal inclined groove abuts, causing multiple top balls 608 to abut against the support cylinder 601 and forming a tight connection between the mounting base 606 and the mounting platform 3.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A split type welding front wall plate, comprising a crash plate (1), a support frame (2) composed of spliced plates inside the crash plate (1), and a mounting table (3) arranged on the upper side of the crash plate (1), characterized in that: The anti-collision plate (1) is provided with a positioning assembly mechanism (4) on the inner side, an adjustment anti-misplacement mechanism (5) and a quick mounting mechanism (6) on the upper side, and the quick mounting mechanism (6) is arranged on one side of the adjustment anti-misplacement mechanism (5); The positioning assembly mechanism (4) comprises a support frame (401) which is slidingly connected to the inner side of the anti-collision plate (1), a splicing frame (402) which is slidingly connected to the outer wall of the support frame (401), and a guide block (403) which is fixedly connected to one side of the support frame (401) and the splicing frame (402) close to the anti-collision plate (1), wherein the guide block (403), the splicing frame (402) and the support frame (401) form a support frame (2), the guide block (403) is integrally formed with the support frame (401) and the splicing frame (402), a plurality of guide plates (404) are fixedly connected to one side of the anti-collision plate (1), a welding plate (405) is fixedly connected to the inside of the splicing frame (402) and the support frame (401), a spring (406) is fixedly connected to one side of the welding plate (405), a top plate (407) is slidingly connected to the inside of the support frame (401) and the splicing frame (402), the top plate (407) is arranged at the end of the spring (406) close to the anti-collision plate (1), a threaded stud (408) is fixedly connected to one side of the top plate (407) close to the anti-collision plate (1), the threaded stud (408) extends through the anti-collision plate (1) to one side of the anti-collision plate (1), and a nut (409) is threadedly connected to the outer wall of the threaded stud (408).

2. A split front wall panel as claimed in claim 1, characterized in that: The support frame (401) and the splicing frame (402) are both arranged in a U-shaped structure.

3. The split front wall panel of claim 1, wherein: The guide plates (404) are arranged on the side close to the guide blocks (403).

4. The split front wall panel of claim 1, wherein: The guide plates (404) and the top plate (407) are both arranged in a square structure.

5. The split front wall panel of claim 1, wherein: The adjustment anti-misplacement mechanism (5) comprises a sliding cover (501) which is fixedly connected to the upper side of the anti-collision plate (1), a plurality of sliding grooves (502) are formed in the upper side of the sliding cover (501), a plurality of arc-shaped frames (503) are slidingly connected to the inside of the sliding cover (501), a connecting table (504) is fixedly connected to the end of each arc-shaped frame (503) away from each other, the connecting tables (504) are slidingly connected to the inside of the sliding cover (501), a connecting column (505) is fixedly connected to the upper surface of each connecting table (504), a row of teeth (506) is fixedly connected to the side of each arc-shaped frame (503) close to each other, a gear (507) is rotatably connected to the inside of the sliding cover (501), and the gear (507) is meshingly connected with the plurality of rows of teeth (506). The sliding grooves (502) are formed in the middle of the sliding cover (501).

6. A split front wall panel as claimed in claim 5, wherein: The connecting tables (504) are slidingly connected with the inner wall of the sliding cover (501).

7. A split front wall panel as defined in claim 5, wherein: The connecting tables (504) are slidingly connected with the inner wall of the sliding cover (501).

8. The split front wall panel of claim 1, wherein: The quick mounting mechanism (6) comprises a supporting cylinder (601) fixedly connected inside the mounting table (3), a threaded column (602) threadedly connected inside the mounting table (3), a sliding disc (603) rotatably connected to the outer wall of the threaded column (602), the sliding disc (603) slidingly connected inside the supporting cylinder (601), an elastic member (604) fixedly connected between the sliding disc (603) and the inner wall of the mounting table (3), a plurality of insertion rods (605) fixedly connected to one side of the mounting table (3), a plurality of mounting seats (606) slidingly connected to the outer walls of the insertion rods (605), a limiting cover (607) fixedly connected to the side of the mounting seat (606) close to the anti-collision plate (1), a plurality of top balls (608) slidingly connected inside the supporting cylinder (601), an elastic ring (609) fixedly connected between the top balls (608), the elastic ring (609) being sleeved on the outer wall of the threaded column (602), and a top block (610) fixedly connected to one end of the threaded column (602).

9. A split front wall panel as defined in claim 8, wherein: The limiting cover (607) is internally provided with a columnar notch with an isosceles trapezoidal cross section.

10. A method of welding a split front wall panel according to any one of claims 1 to 9, wherein, The method comprises the following steps: S1. Part forming: the guide blocks (403) are respectively formed by pouring and molding with the support frame (401) and the splicing frame (402), the guide plates (404) are all formed by pressing and bending, and the mounting table (3) is formed by die casting; S2. Positioning assembly, preliminary fixing and welding: the guide plates (404), the welding plates (405), the springs (406), the top plates (407) and the studs (408) are respectively preassembled inside the support frame (401), then the support frame (401) and the splicing frame (402) are welded, the studs (408) can penetrate through the anti-collision plate (1) under the pushing of the springs (406) and the top plates (407), then the splicing frame (402) is buckled outside the support frame (401), then the preassembled support frame (401) and the splicing frame (402) are slidably installed along the inner side of the anti-collision plate (1), the guide blocks (403) on the outer walls of the support frame (401) and the splicing frame (402) are correspondingly attached to the guide plates (404) on the inner side of the anti-collision plate (1), until the ends of the studs (408) away from the top plates (407) penetrate through the anti-collision plate (1), the nuts (409) are screwed on the ends of the studs (408) extending out of the anti-collision plate (1) and are tightened, and the assembly and positioning of the support frame (2) are formed; the support frame (401), the splicing frame (402) and the anti-collision plate (1) are kept closely attached through the elastic force of the springs (406) and the locking force of the nuts (409), then the welded and fixed joints of the support frame (401), the splicing frame (402) and the anti-collision plate (1) are welded and fixed; ​ S2. Misalignment prevention adjustment and butt welding of the mounting table: rotate the gear (507) inside the sliding cover (501) of the misalignment prevention adjustment mechanism (5), drive multiple arc-shaped frames (503) to slide synchronously along the inside of the sliding cover (501) through the meshing transmission of the gear (507) and the row of teeth (506) on one side of the arc-shaped frame (503), and drive the connecting table (504) and the connecting column (505) at the end of the arc-shaped frame (503) to move; observe the butt joint position of the connecting column (505) and the mounting table (3), stop rotating the gear (507) when the connecting column (505) moves to align with the preset mounting hole of the mounting table (3), and then fix the mounting table (3) and the connecting column (505), and then weld the connection between the mounting table (3) and the anti-collision plate (1) and the connection between the mounting table (3) and the connecting column (505) to prevent the mounting table (3) from misaligning due to connection point errors during welding and improve the error identification effect of the mounting table (3) hole.

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