Welding positioning device for photovoltaic support machining

Abstract

The utility model relates to the technical field of photovoltaic support processing, and discloses a welding positioning device for photovoltaic support processing, which comprises a bottom plate, a controller arranged at the top of the bottom plate, a positioning assembly arranged at the top of the bottom plate, and a smoke suction assembly arranged at the top of the bottom plate. Smoke dust generated by welding is sucked into the smoke suction frame and enters the filter box from the smoke suction frame through the smoke suction pipe, the filter plate, the fine filter plate and the activated carbon base layer are connected to the mounting plates symmetrically and fixedly mounted on the two sides of the inner wall of the filter box in a clamped mode, the smoke dust sequentially passes through the filter plate to be preliminarily filtered, large-particle impurities are removed, and the smoke dust can be purified. And finally, harmful substances such as peculiar smell are adsorbed through the activated carbon base layer, and the filtered and purified air is exhausted from the output end of the suction pump through the smoke exhaust pipe, so that the effect of conveniently collecting and filtering harmful gas generated during welding is achieved.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic bracket processing technology, specifically a welding positioning device for photovoltaic bracket processing. Background Technology

[0002] Photovoltaic (PV) mounting brackets are specialized supports designed for placing, installing, and securing solar panels in a solar photovoltaic (PV) power generation system. They are typically made of materials such as steel or aluminum alloy, possessing a stable structure and high strength. Installation is relatively simple, involving fixing the solar panels at a specific angle, which is generally not adjustable.

[0003] Traditional welding positioning devices often have shortcomings in the manufacturing process of photovoltaic (PV) brackets. Firstly, they cannot flexibly adjust the angle of the clamped PV bracket, which greatly limits welding operations, especially when precise welding is required on different parts of the PV bracket, making it difficult to meet processing demands. Secondly, the welding process generates a large amount of fumes and harmful gases. If these fumes are not treated promptly and effectively, they will not only seriously harm the health of operators but also pollute the working environment and affect the surrounding air quality. Utility Model Content

[0004] The purpose of this invention is to provide a welding positioning device for processing photovoltaic brackets, so as to facilitate the positioning of photovoltaic brackets.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a welding positioning device for processing photovoltaic brackets, comprising a base plate, a controller disposed on the top of the base plate, a positioning component disposed on the top of the base plate, and a fumigation component disposed on the top of the base plate.

[0006] Preferably, the positioning component includes: a driving component disposed on the top of the base plate; and a clamping component disposed on the top of the driving component.

[0007] Preferably, the driving component includes: a fixed vertical plate, symmetrically fixedly installed on the top of the base plate; a motor, fixedly installed on the outside of the fixed vertical plate; and a base, fixedly installed on the top of the base plate.

[0008] Preferably, guide rods are symmetrically fixedly installed between the fixed vertical plates. The guide rods are fixedly connected to the base. A bidirectional threaded rod is rotatably connected inside the base through a bearing. The two ends of the bidirectional threaded rod pass through the inner side of the fixed vertical plate and extend to the outer side of the fixed vertical plate. One end of the bidirectional threaded rod is connected to a motor. A movable block is symmetrically threadedly connected to the outer wall of the bidirectional threaded rod. The movable block is slidably sleeved with the guide rod. A fixed rod is symmetrically fixedly installed on the top of the movable block. A connecting vertical plate is fixedly installed on the top of the fixed rod.

[0009] The guide rod is fixedly connected to the base and slidably fitted with the moving block, providing stable guidance for the movement of the moving block.

[0010] Preferably, the clamping component includes: a connecting plate, fixedly installed on the top of one of the connecting vertical plates; and a connecting sleeve, which is rotatably connected to the inside of the connecting vertical plate via a bearing.

[0011] Preferably, a second motor is fixedly installed on the outer side of the connecting plate. The output end of the second motor is provided with a short shaft, which is rotatably connected to the connecting plate through a bearing. A first gear is fixedly sleeved on the outer wall of the connecting plate, and a second gear is fixedly sleeved on the outer wall of the connecting sleeve. The second gear and the first gear are meshed together. A connecting frame is fixedly installed at the other end of the connecting sleeve. A sliding opening is provided at the top of the connecting frame. A second fixed vertical plate is symmetrically fixedly installed at the top of the connecting frame. A motor is fixedly installed on the outer side of the second fixed vertical plate. A second bidirectional threaded rod is provided at the output end of the motor. The other end of the second bidirectional threaded rod movably passes through the outer side and the inner side of the second fixed vertical plate and extends to the inner side of another second fixed vertical plate. It is rotatably connected to the second fixed vertical plate through a bearing. A movable plate is symmetrically threaded on the outer wall of the second bidirectional threaded rod. A clamping plate is fixedly installed at the bottom of the movable plate. The clamping plate passes through the sliding opening and is slidably connected to the connecting frame through the sliding opening. A clamping block is fixedly installed on the opposite side of the clamping plate. A rubber pad is fixedly installed on the inner side of the clamping block.

[0012] Preferably, the smoking assembly includes: a smoking frame, fixedly installed on the top of the base; a filter box, fixedly installed on the top of the base plate; and a suction pump, fixedly installed on the top of the base plate.

[0013] Motor 2 drives gear 1 to rotate via a short shaft. Since gear 1 meshes with gear 2 on the outer wall of the connecting sleeve, the connecting sleeve is driven to rotate.

[0014] Preferably, the input end of the suction pump is connected to a connecting pipe, the other end of which is connected to the filter box. The output end of the suction pump is provided with a smoke exhaust pipe. The top of the filter box is connected to a smoke extraction pipe, the other end of which is connected to a smoke extraction frame. A door is hinged to the other side of the filter box. Mounting plates are symmetrically fixed on both sides of the inner wall of the filter box. The mounting plates have equidistant locking grooves on opposite sides. The mounting plates are respectively locked to a filter plate, a fine filter plate, and an activated carbon base layer through the locking grooves. The activated carbon base layer is located directly below the fine filter plate, and the fine filter plate is located directly below the filter plate.

[0015] By placing the activated carbon base layer directly below the fine filter plate, which in turn is placed directly below the filter plate, the smoke and dust pass through different filter layers sequentially as they pass through the filter box, maximizing the filtration effect.

[0016] This utility model provides a welding positioning device for photovoltaic bracket processing. It has the following advantages:

[0017] (1) This utility model starts by motor 2, and the output end drives the short shaft to rotate. The gear 1 fixedly sleeved on the outer wall of the short shaft rotates accordingly. The gear 1 meshes with the gear 2 fixedly sleeved on the outer wall of the connecting sleeve, thereby driving the connecting sleeve to rotate. The connecting sleeve is connected to the connecting vertical plate through the bearing to ensure smooth rotation. The connecting frame at the other end of the connecting sleeve also rotates accordingly, so as to facilitate the adjustment of the angle of the clamped photovoltaic bracket.

[0018] (2) In this utility model, the fumes generated during welding are sucked into the smoke frame. The fumes enter the filter box through the smoke extraction pipe. The filter box has a filter plate, a fine filter plate and an activated carbon base connected to the mounting plates that are symmetrically fixed on both sides of the inner wall. The fumes are initially filtered by the filter plates to remove larger particles of impurities, then further filtered by the fine filter plate, and finally adsorbed by the activated carbon base to adsorb odors and other harmful substances. The filtered and purified air is discharged from the output end of the suction pump through the exhaust pipe, thus achieving the effect of collecting and filtering the harmful gases generated during welding. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a structural view of the positioning component of this utility model;

[0021] Figure 3 This is a cross-sectional view of the clamping component structure of this utility model;

[0022] Figure 4 This is a cross-sectional view of the smoking component structure of this utility model.

[0023] In the diagram: 1. Base plate, 2. Controller, 3. Positioning component, 4. Smoke-emitting component;

[0024] 31 Drive component, 311 Fixed vertical plate 1, 312 Motor 1, 313 Guide rod, 314 Two-way threaded rod 1, 315 Moving block, 316 Fixed rod, 317 Connecting vertical plate, 318 Base;

[0025] 32 Clamping component, 321 Connecting plate, 322 Short shaft, 323 Motor II, 324 Gear I, 325 Connecting sleeve, 326 Gear II, 327 Connecting frame, 328 Fixed vertical plate II, 329 Motor, 3211 Two-way threaded rod II, 3212 Moving plate, 3213 Clamping plate, 3214 Clamping block, 3215 Rubber pad;

[0026] 411 Smoke frame, 412 Filter box, 413 Suction pump, 414 Connecting pipe, 415 Exhaust pipe, 416 Smoke extraction pipe, 417 Box door, 418 Mounting plate, 419 Filter plate, 4111 Fine filter plate, 4112 Activated carbon base layer. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0029] Example 1:

[0030] A preferred embodiment of the welding positioning device for photovoltaic bracket processing provided by this utility model is, for example... Figure 1-4As shown: A welding positioning device for photovoltaic bracket processing includes a base plate 1, a controller 2 disposed on the top of the base plate 1, a positioning component 3 disposed on the top of the base plate 1, and a fumigation component 4 disposed on the top of the base plate 1. The positioning component 3 includes: a driving component 31 disposed on the top of the base plate 1; and a clamping component 32 disposed on the top of the driving component 31. The driving component 31 includes: a first fixed vertical plate 311 symmetrically fixedly installed on the top of the base plate 1; a first motor 312 fixedly installed on the outside of the first fixed vertical plate 311; and a base 318 fixedly installed on the top of the base plate 1. Symmetrically fixed components are installed between the first fixed vertical plates 311. Guide rod 313 is fixedly connected to base 318. Inside base 318, a bidirectional threaded rod 314 is rotatably connected via bearing. Both ends of bidirectional threaded rod 314 movably pass through the inner side of fixed vertical plate 311 and extend to the outer side of fixed vertical plate 311. One end of bidirectional threaded rod 314 is connected to motor 312. A movable block 315 is symmetrically threaded to the outer wall of bidirectional threaded rod 314. The movable block 315 is slidably sleeved with guide rod 313. A fixed rod 316 is symmetrically fixedly installed on the top of movable block 315. A connecting vertical plate 317 is fixedly installed on the top of fixed rod 316.

[0031] Furthermore, in this embodiment, the motor 312 is started, and its output end drives the bidirectional threaded rod 314 to rotate. The two ends of the bidirectional threaded rod 314 are connected to the fixed vertical plate 311 through bearings, and the part of it located inside the base 318 is also rotatably connected through bearings to ensure stable rotation. When the bidirectional threaded rod 314 rotates, the movable block 315 with symmetrical threaded connection on the outer wall moves in the opposite direction along the bidirectional threaded rod 314 under the guidance of the guide rod 313. The fixed rod 316 at the top of the movable block 315 moves with the movable block 315, thereby driving the connecting vertical plate 317 to move, so as to achieve the purpose of adjusting the spacing and to adapt to the initial positioning of photovoltaic brackets of different sizes.

[0032] Example 2:

[0033] Based on Embodiment 1, a preferred embodiment of the welding positioning device for photovoltaic bracket processing provided by this utility model is as follows: Figure 1-4As shown: The clamping component 32 includes: a connecting plate 321, fixedly installed on the top of one of the connecting vertical plates 317; a connecting sleeve 325, which is rotatably connected to the inside of the connecting vertical plate 317 via a bearing; a second motor 323 is fixedly installed on the outside of the connecting plate 321, and a short shaft 322 is provided at the output end of the second motor 323, which is rotatably connected to the connecting plate 321 via a bearing; a first gear 324 is fixedly sleeved on the outer wall of the connecting plate 321, and a second gear 326 is fixedly sleeved on the outer wall of the connecting sleeve 325, with the second gear 326 meshing with the first gear 324; a connecting frame 327 is fixedly installed on the other end of the connecting sleeve 325, and a sliding opening is provided on the top of the connecting frame 327; a second fixed vertical plate is symmetrically fixedly installed on the top of the connecting frame 327. 328. A motor 329 is fixedly installed on the outer side of the fixed vertical plate 328. The output end of the motor 329 is provided with a bidirectional threaded rod 3211. The other end of the bidirectional threaded rod 3211 movably passes through the outer side and the inner side of the fixed vertical plate 328 and extends to the inner side of another fixed vertical plate 328. It is rotatably connected to the fixed vertical plate 328 through a bearing. A movable plate 3212 is symmetrically threaded on the outer wall of the bidirectional threaded rod 3211. A clamping plate 3213 is fixedly installed at the bottom of the movable plate 3212. The clamping plate 3213 passes through the sliding opening and is slidably connected to the connecting frame 327 through the sliding opening. A clamping block 3214 is fixedly installed on the opposite side of the clamping plate 3213. A rubber pad 3215 is fixedly installed on the inner side of the clamping block 3214.

[0034] Furthermore, in this embodiment, the motor 329 starts the motor, and its output drives the bidirectional threaded rod 3211 to rotate. Both ends of the bidirectional threaded rod 3211 are rotatably connected to the fixed vertical plate 328 via bearings. The movable plate 3212, symmetrically threaded on the outer wall of the bidirectional threaded rod 3211, moves in opposite directions along the bidirectional threaded rod 3211 under its rotation. The clamping plate 3213 at the bottom of the movable plate 3212 passes through the sliding opening at the top of the connecting frame 327. As the movable plate 3212 moves, the rubber pad 3 fixedly installed on the inner side of the clamping block 3214 on the opposite side of the clamping plate 3213... 215 contacts the photovoltaic bracket and clamps it in place. When the angle of the bracket welding needs to be adjusted, motor 2 323 starts, and the output end drives the short shaft 322 to rotate. The gear 1 324 fixedly sleeved on the outer wall of the short shaft 322 rotates accordingly. The gear 1 324 meshes with the gear 2 326 fixedly sleeved on the outer wall of the connecting sleeve 325, thereby driving the connecting sleeve 325 to rotate. The connecting sleeve 325 is rotatably connected to the connecting vertical plate 317 through the bearing to ensure smooth rotation. The connecting frame 327 at the other end of the connecting sleeve 325 also rotates accordingly, thereby adjusting the angle of the clamped photovoltaic bracket.

[0035] Example 3:

[0036] Based on Embodiments 1 and 2, a preferred embodiment of the welding positioning device for photovoltaic bracket processing provided by this utility model is as follows: Figure 1-4 As shown: The smoking assembly 4 includes: a smoking frame 411, fixedly installed on the top of the base 318; a filter box 412, fixedly installed on the top of the base plate 1; and a suction pump 413, fixedly installed on the top of the base plate 1. The input end of the suction pump 413 is connected to a connecting pipe 414, the other end of which is connected to the filter box 412. The output end of the suction pump 413 is provided with a smoke exhaust pipe 415. The top of the filter box 412 is connected to a smoke extraction pipe 416, the other end of which is connected to the smoking frame 412. The frame 411 is connected, and the other side of the filter box 412 is hinged to a door 417. The inner walls of the filter box 412 are symmetrically fixed with mounting plates 418. The mounting plates 418 have equidistant locking grooves on opposite sides. The mounting plates 418 are respectively locked to the filter plate 419, the fine filter plate 4111 and the activated carbon base layer 4112 through the locking grooves. The activated carbon base layer 4112 is located directly below the fine filter plate 4111, and the fine filter plate 4111 is located directly below the filter plate 419.

[0037] Furthermore, in this embodiment, the suction pump 413 is activated, and air is drawn from the filter box 412 through the connecting pipe 414, creating a negative pressure inside the filter box 412. Since the filter box 412 is connected to the smoke frame 411 through the smoke extraction pipe 416, and the smoke frame 411 is located on top of the base 318, near the welding position, the fumes generated during welding are drawn into the smoke frame 411. The fumes then enter the filter box 412 from the smoke frame 411 through the smoke extraction pipe 416. Filter plates 419 and fine filters are engaged and connected to the mounting plates 418 symmetrically fixed on both sides of the inner wall of the filter box 412. The filter plate 4111 and the activated carbon base layer 4112 are used to filter the smoke and dust. The smoke and dust are initially filtered by the filter plate 419 to remove larger particulate impurities. Then, it is further filtered by the fine filter plate 4111. Finally, the activated carbon base layer 4112 adsorbs odors and other harmful substances. The filtered and purified air is discharged from the output end of the suction pump 413 through the exhaust pipe 415. When the filter components need to be replaced, the box door 417 can be opened to remove the filter plate 419, the fine filter plate 4111 and the activated carbon base layer 4112 from the locking groove of the mounting plate 418 for replacement.

[0038] In use, motor 312 starts, and its output drives the bidirectional threaded rod 314 to rotate. Both ends of the bidirectional threaded rod 314 are connected to the fixed vertical plate 311 via bearings, and its internal portion in the base 318 is also connected via bearings to ensure stable rotation. When the bidirectional threaded rod 314 rotates, the movable block 315, with its symmetrical threaded connection on the outer wall, moves in the opposite direction along the bidirectional threaded rod 314 under the guidance of the guide rod 313. The fixed rod 316 at the top of the movable block 315 moves with the movable block 315, thereby driving the connecting vertical plate 317 to move, achieving the purpose of adjusting the spacing to accommodate photovoltaic brackets of different sizes for initial positioning. Motor 329 starts, and its output drives the bidirectional threaded rod... 3211 rotates, and the two ends of the bidirectional threaded rod 3211 are rotatably connected to the fixed vertical plate 328 via bearings. The movable plate 3212, which is symmetrically threaded on the outer wall of the bidirectional threaded rod 3211, moves in opposite directions or away from each other under its rotation. The clamping plate 3213 at the bottom of the movable plate 3212 passes through the sliding opening at the top of the connecting frame 327. As the movable plate 3212 moves, the rubber pad 3215 fixedly installed on the inner side of the clamping block 3214 on the opposite side of the clamping plate 3213 contacts the photovoltaic bracket and clamps it. When it is necessary to adjust the welding angle of the bracket, the motor 323 starts, and the output end drives the short shaft 322 to rotate. The gear 32 is fixedly sleeved on the outer wall of the short shaft 322. 4. As the gear rotates, gear 324 engages with gear 326 fixedly fitted on the outer wall of connecting sleeve 325, thereby driving connecting sleeve 325 to rotate. Connecting sleeve 325 is rotatably connected to connecting vertical plate 317 via bearings to ensure smooth rotation. Connecting frame 327 at the other end of connecting sleeve 325 also rotates, thereby adjusting the angle of the clamped photovoltaic bracket. During the welding process, suction pump 413 starts and draws air from filter box 412 through connecting pipe 414, creating negative pressure inside filter box 412. Since filter box 412 is connected to smoke frame 411 through smoke extraction pipe 416, and smoke frame 411 is located on top of base 318, close to the welding position, the fumes generated during welding are sucked into smoke frame 411. The smoke frame 411 enters the filter box 412 through the smoke extraction pipe 416. The filter box 412 has a filter plate 419, a fine filter plate 4111, and an activated carbon base layer 4112 that are symmetrically fixed on both sides of the inner wall of the filter box 412. The smoke and dust are initially filtered by the filter plate 419 to remove larger particles of impurities; then they are further finely filtered by the fine filter plate 4111; and finally, they are filtered by the activated carbon base layer 4112 to adsorb odors and other harmful substances. The filtered and purified air is discharged from the output end of the suction pump 413 through the smoke exhaust pipe 415. When the filter components need to be replaced, the box door 417 can be opened to remove the filter plate 419, the fine filter plate 4111, and the activated carbon base layer 4112 from the locking groove of the mounting plate 418 for replacement.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A welding positioning device for processing photovoltaic brackets, comprising a base plate (1), characterized in that: A controller (2) is provided on the top of the base plate (1), a positioning component (3) is provided on the top of the base plate (1), and a smoking component (4) is provided on the top of the base plate (1). The smoking assembly (4) includes: A smoking frame (411) is fixedly installed on the top of the base (318); The filter box (412) is fixedly installed on the top of the base plate (1); A suction pump (413) is fixedly installed on the top of the base plate (1); The input end of the suction pump (413) is connected to a connecting pipe (414), and the other end of the connecting pipe (414) is connected to the filter box (412). The output end of the suction pump (413) is provided with a smoke exhaust pipe (415). The top of the filter box (412) is connected to a smoke extraction pipe (416), and the other end of the smoke extraction pipe (416) is connected to a smoking frame (411). The other side of the filter box (412) is hinged with a door (417). The inner walls of the filter box (412) are symmetrically fixed with mounting plates (418). The mounting plates (418) have equidistant locking grooves on opposite sides. The mounting plates (418) are respectively locked with the filter plate (419), the fine filter plate (4111) and the activated carbon base layer (4112) through the locking grooves. The activated carbon base layer (4112) is located directly below the fine filter plate (4111), and the fine filter plate (4111) is located directly below the filter plate (419).

2. The welding positioning device for photovoltaic bracket processing according to claim 1, characterized in that: The positioning component (3) includes: The drive component (31) is located on the top of the base plate (1); The clamping component (32) is disposed on top of the driving component (31).

3. The welding positioning device for photovoltaic bracket processing according to claim 2, characterized in that: The driving component (31) includes: Fixed vertical plate 1 (311) is symmetrically fixedly installed on the top of the base plate (1); Motor 1 (312) is fixedly installed on the outside of fixed vertical plate 1 (311); The base (318) is fixedly installed on the top of the base plate (1).

4. The welding positioning device for photovoltaic bracket processing according to claim 3, characterized in that: Guide rods (313) are symmetrically fixedly installed between the fixed vertical plates (311). The guide rods (313) are fixedly connected to the base (318). The base (318) is rotatably connected to a bidirectional threaded rod (314) through a bearing. The two ends of the bidirectional threaded rod (314) respectively movably pass through the inner side of the fixed vertical plate (311) and extend to the outer side of the fixed vertical plate (311). One end of the bidirectional threaded rod (314) is connected to a motor (312). The outer wall of the bidirectional threaded rod (314) is symmetrically threaded with a moving block (315). The moving block (315) is slidably sleeved with the guide rod (313). The top of the moving block (315) is symmetrically fixedly installed with a fixed rod (316). The top of the fixed rod (316) is fixedly installed with a connecting vertical plate (317).

5. The welding positioning device for photovoltaic bracket processing according to claim 2, characterized in that: The clamping component (32) includes: A connecting plate (321) is fixedly installed on the top of one of the connecting vertical plates (317); A connecting sleeve (325) is rotatably connected inside the connecting vertical plate (317) via a bearing.

6. The welding positioning device for photovoltaic bracket processing according to claim 5, characterized in that: A second motor (323) is fixedly installed on the outer side of the connecting plate (321). A short shaft (322) is provided at the output end of the second motor (323). The short shaft (322) is rotatably connected to the connecting plate (321) through a bearing. A gear (324) is fixedly sleeved on the outer wall of the connecting plate (321). A second gear (326) is fixedly sleeved on the outer wall of the connecting sleeve (325). The second gear (326) meshes with the first gear (324). A connecting frame (327) is fixedly installed at the other end of the connecting sleeve (325). A sliding opening is provided at the top of the connecting frame (327). A second fixed vertical plate (328) is symmetrically fixedly installed on the top of the connecting frame (327). A motor (329) is fixedly installed on the outer side of the second fixed vertical plate (328). 29) The output end is provided with a bidirectional threaded rod two (3211). The other end of the bidirectional threaded rod two (3211) movably passes through the outer side of the fixed vertical plate two (328), the inner side of the fixed vertical plate two (328) and extends to the inner side of another fixed vertical plate two (328), and is rotatably connected to the fixed vertical plate two (328) through a bearing. The outer wall of the bidirectional threaded rod two (3211) is symmetrically threaded with a movable plate (3212). The bottom of the movable plate (3212) is fixedly installed with a clamping plate (3213). The clamping plate (3213) passes through the sliding port and is slidably connected to the connecting frame (327) through the sliding port. A clamping block (3214) is fixedly installed on the opposite side of the clamping plate (3213). A rubber pad (3215) is fixedly installed on the inner side of the clamping block (3214).

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