Welding and clamping equipment for longitudinal beam of automobile frame

Abstract

The invention relates to the technical field of longitudinal beam welding and clamping, and discloses automobile frame longitudinal beam welding and clamping equipment which comprises a base, a plurality of supports are slidably arranged on the base, the two sides of each support are correspondingly arranged, a first groove is formed in the base, and an adjusting mechanism capable of changing the horizontal and vertical positions of the supports is arranged in the first groove. Compared with the prior art, the device has the advantages that the adjusting mechanism capable of adjusting the horizontal position and the vertical position is arranged on the base, the position of the support can be adjusted to adapt to the irregularity of the longitudinal beam, the moving mechanism is arranged to drive the adjusting mechanism to move, and therefore the longitudinal beam can be adjusted conveniently and rapidly. Therefore, the adjusting process and the positioning process are simple and rapid, the time for adjusting the clamping equipment is saved, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of longitudinal beam welding clamping, in particular to an automobile frame longitudinal beam welding clamping device. BACKGROUND

[0002] The frame is the most important load-bearing component in the automobile, and the longitudinal beam is one of the key parts. Whether in new energy vehicles or oil vehicles, the longitudinal beam plays an important role in load bearing. The side beam type frame, the middle beam type frame and the like of the automobile all contain the longitudinal beam.

[0003] The longitudinal beam is usually installed at the front of the frame, the chassis and the rear side. The common longitudinal beam is straight beam type and curved type. The straight beam type structure is simple and has high strength, and is suitable for some cargo vehicles and large passenger cars. The curved type longitudinal beam can better adapt to the shape of the vehicle and the arrangement of the chassis parts, and is commonly used in winches and small passenger cars. The cross-sectional shape of the automobile longitudinal beam is various, and the common ones are groove-shaped, box-shaped and I-shaped, etc. The groove-shaped cross-sectional longitudinal beam has good bending resistance and lightweight effect.

[0004] The longitudinal beam is usually welded together in processing. In order to improve the welding stability, the clamping device is usually used to clamp the longitudinal beam. However, for the curved type longitudinal beam, the longitudinal beam itself may be bent upward and downward or left and right, which makes it difficult for the clamping device to clamp completely, resulting in unstable clamping. It is necessary to adjust the height and level of the clamping device, which increases the clamping time and reduces the welding efficiency. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the above difficulties and provide an automobile frame longitudinal beam welding clamping device.

[0006] To solve the above technical problems, the technical scheme provided by the present application is as follows: an automobile frame longitudinal beam welding clamping device, comprising a base, a plurality of brackets are arranged on the base, the brackets are arranged on both sides of the base, a groove one is arranged on the base, an adjusting mechanism for changing the horizontal and vertical positions of the brackets is arranged in the groove one, a U-shaped plate is slidably arranged on the base, a sliding block is movably inserted into the U-shaped plate, a moving mechanism for driving the adjusting mechanism to move according to the shape of the longitudinal beam is arranged on the sliding block.

[0007] As an improvement, the adjusting mechanism comprises a horizontal mechanism for adjusting the horizontal position of the bracket, a vertical mechanism for adjusting the vertical position of the bracket, and a positioning mechanism for limiting the horizontal mechanism and the vertical mechanism, the horizontal mechanism comprises a plurality of moving columns two slidably arranged in the groove one, a connecting block is arranged on the moving column two, a moving groove two is arranged on the connecting block, another connecting block on one side of the connecting block is provided with a push rod two abutting against the inner wall of one end of the moving groove two, and the bracket is fixedly arranged at the end of the connecting block.

[0008] As improvement, the vertical mechanism comprises a square sleeve arranged on the connecting block, a plug rod is inserted into the square sleeve, a moving column I is movably inserted into the plug rod, a moving groove I is arranged on the plug rod, a sliding hole matched with the moving groove I is arranged on the square sleeve, a push rod I abutting against the inner wall of one end of the moving groove I is arranged on another plug rod on the side of the plug rod, the bracket comprises a sleeve fixedly connected with the connecting block, a connecting rod is inserted into the sleeve, and the moving column I is inserted into the connecting rod.

[0009] As improvement, the positioning mechanism comprises pistons I arranged at two ends of the moving column II, the recess I is internally provided with an insertion groove I matched with the piston I, the base is internally provided with a connecting groove communicated with the plurality of insertion grooves I and extending to the outside of the base, the outside of the base is provided with a connecting pipe for connecting the two connecting grooves, the connecting pipe is provided with a valve I, two ends of the moving column I are provided with pistons II, the base is provided with an insertion groove II communicated with the connecting groove and matched with the piston II, the connecting groove, the insertion groove I, the connecting pipe and the insertion groove II are filled with liquid, the connecting pipe is provided with a water inlet pipe, and the water inlet pipe is provided with a valve II.

[0010] As improvement, the moving mechanism comprises a cylinder movably inserted into the sliding block bottom surface, one end of the cylinder is provided with a fixing block, the bottom surface of the fixing block is provided with a threaded column, a threaded sleeve is threadedly connected with the threaded column, the end of the threaded sleeve is arc-shaped, a strip rod is arranged on the threaded column, one end of the strip rod is provided with a driving column, the driving column is moved according to the position of the longitudinal beam and drives the adjusting mechanism to move.

[0011] As improvement, the moving mechanism further comprises a connecting column rotatably arranged on the bottom surface of the driving column, two clamping plates are arranged on the plug rod, the clamping plates are provided with limiting plates, the end of the connecting column is provided with a moving block matched with the clamping plates and the limiting plates, the moving block is located between the two clamping plates and can slide out of the two clamping plates, and the limiting plates are used for preventing the moving block from being separated from the plug rod in the vertical direction.

[0012] As improvement, the clamping plates on the adjacent two plug rods form a channel for the moving block to pass through.

[0013] As improvement, the base is provided with an inclined surface, the inclined surface is provided with a recess II between the brackets, a supporting plate supporting the longitudinal beam is rotatably arranged in the recess II, and a torsional spring is arranged between the supporting plate and the inner wall of the recess II.

[0014] Compared with the prior art, the present application has the following advantages: By arranging the adjusting mechanism capable of adjusting the horizontal position and the vertical position on the base and arranging the bracket on the adjusting mechanism, the horizontal position and the vertical position of the bracket can be adjusted, then the adjusting mechanism is fixed by the positioning mechanism, and the position of the bracket can be adjusted to adapt to the irregularity of the longitudinal beam. By setting multiple rotatable support plates on the slope, when the longitudinal beam is placed on the base, the support plates can be rotated to be horizontal according to the regular position of the longitudinal beam to support the longitudinal beam. By setting the moving mechanism, the slider moves along the center position of the longitudinal beam, and the horizontal and vertical changes can be transmitted to the adjusting mechanism, so that the horizontal position and the vertical position of the support are adjusted to adapt to the irregularity of the longitudinal beam, the adjusting process and the positioning process are simple, the time for adjusting the clamping device is saved, and the welding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional view of the automobile frame longitudinal beam welding clamping device of the present application Figure 1 .

[0016] Figure 2 It is a sectional view of the automobile frame longitudinal beam welding clamping device of the present application.

[0017] Figure 3 It is a three-dimensional view of the automobile frame longitudinal beam welding clamping device of the present application Figure 2 enlarged view of A.

[0018] Figure 4 It is a schematic view of the adjusting mechanism of the automobile frame longitudinal beam welding clamping device of the present application.

[0019] Figure 5 It is a sectional view of the positioning mechanism of the automobile frame longitudinal beam welding clamping device of the present application.

[0020] Figure 6 It is a schematic view of the moving mechanism of the automobile frame longitudinal beam welding clamping device of the present application.

[0021] Figure 7 It is an enlarged view of B of the automobile frame longitudinal beam welding clamping device of the present application. Figure 6

[0022] Figure 8 It is a three-dimensional view of the automobile frame longitudinal beam welding clamping device of the present application Figure 2 .

[0023] Figure 9 It is a sectional view of the adjusting mechanism of the automobile frame longitudinal beam welding clamping device of the present application.

[0024] Figure 10 It is a schematic view of the longitudinal beam of the automobile frame longitudinal beam welding clamping device of the present application.

[0025] ​As shown in the figure: 1. Base; 2. Bracket; 21. Sleeve; 22. Connecting rod; 23. Longitudinal beam; 3. Groove 1; 4. Adjustment mechanism; 41. Horizontal mechanism; 42. Vertical mechanism; 421. Square sleeve; 422. Insert rod; 423. Moving column 1; 424. Moving groove 1; 425. Push rod 1; 43. Positioning mechanism; 431. Piston 1; 432. Slot 1; 433. Connecting groove; 434. Connecting pipe; 435. Valve 1; 436. Piston 2; 437. Slot 2; 438. Water inlet pipe; 439. 44. Valve II; 45. Moving column II; 46. Connecting block; 47. Moving groove II; 5. Push rod II; 68. U-shaped plate; 69. Sliding block; 60. Moving mechanism; 61. Cylinder; 62. Fixing block; 63. Threaded column; 64. Threaded sleeve; 65. Bar; 66. Drive column; 67. Connecting column; 68. Clamping plate; 69. Height limit plate; 610. Moving block; 71. Inclined surface; 72. Groove II; 73. Support plate; 84. Torsion spring; 9. Clamping mechanism; 81. Clamping plate; 82. Cylinder; 83. Clamping plate; 10. Limiting rod. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings.

[0027] When welding the longitudinal beams of the vehicle frame, gas shielded welding is generally used. After clamping with clamping equipment, the position of the welding gun is adjusted according to the clamping height, and then the travel path of the welding gun is adjusted according to the shape of the longitudinal beam. Finally, the splicing position is welded.

[0028] Combined with appendix Figure 1 Appendix Figure 10 As shown, a welding clamping device for automotive frame longitudinal beams includes a base 1. Multiple supports 2 are slidably arranged on both sides of the base 1. The base 1 has a groove 3, and an adjustment mechanism 4 is provided in the groove 3 to change the horizontal and vertical positions of the supports 2. A U-shaped plate 5 is slidably arranged on the base 1. A slider 51 is movably inserted into the U-shaped plate 5. The slider 51 is provided with a moving mechanism 6 that drives the adjustment mechanism 4 to move according to the shape of the longitudinal beam 23.

[0029] The working principle of this invention is as follows: Since the longitudinal beam 23 is curved, it may be curved horizontally or vertically. In order to clamp the longitudinal beam 23 in all directions, an adjustment mechanism 4 that can move horizontally and vertically is set up. Then, the bracket is set on the adjustment mechanism 4, so that it can be adjusted according to the longitudinal beam 23. Since the bending position and bending length of the longitudinal beam 23 are not fixed, a moving mechanism 6 is set up to push the U-shaped plate 5 to move. The U-shaped plate 5 pushes the slider 51, and the slider 51 pushes the moving mechanism 6, so that the moving mechanism moves in the middle of the longitudinal beam 23. The moving mechanism 6 will change according to the bending position of the longitudinal beam 23, thereby driving the adjustment mechanism 4 to change position, realizing rapid adjustment of the adjustment mechanism 4 and improving welding efficiency.

[0030] Combined with appendix Figure 2 Appendix Figure 3 Appendix Figure 4 As shown, the adjustment mechanism 4 includes a horizontal mechanism 41 for horizontal adjustment of the bracket 2, a vertical mechanism 42 for vertical adjustment, and a positioning mechanism 43 for limiting the horizontal mechanism 41 and the vertical mechanism 42. The horizontal mechanism 41 includes a plurality of movable columns 44 slidably disposed in the groove 3. Each movable column 44 is provided with a connecting block 45. Each connecting block 45 is provided with a movable groove 46. Another connecting block 45 located on one side of the connecting block 45 is provided with a push rod 47 that abuts against the inner wall of one end of the movable groove 46. The bracket 2 is fixedly disposed at the end of the connecting block 45.

[0031] Working principle of adjustment mechanism 4: Adjustment mechanism 4 is divided into horizontal mechanism 41, vertical mechanism 42, and positioning mechanism 43 for fixing after adjustment. By setting multiple movable columns 44 in groove 3, the bending position of longitudinal beam 23 can be more precisely matched. Then, multiple brackets 2 are set at the end of connecting block 45. The movement of movable columns 44 drives the movement of brackets 2. Since the bending of longitudinal beam 23 has a certain angle, the horizontal or vertical movement distance gradually increases. The positions of multiple movable columns 44 are all centered. In order to adapt to the gradually increasing distance, movable groove 46 and push rod 47 are set. When the previous connecting block 45 moves left or right, the push rod 47 of the previous connecting block 45 will drive the next connecting block 45 to move to the same position as the previous connecting block 45, thus adapting to the increase of subsequent movement distance. Since the length of movable groove 46 is greater than that of push rod 47, the movement of the next connecting block 45 will not affect the position of the previous connecting block 45 during continuous movement.

[0032] Combined with appendix Figure 2 Appendix Figure 3 Appendix Figure 4As shown, the vertical mechanism 42 comprises a square sleeve 421 arranged on the connecting block 45, a plug rod 422 is inserted on the square sleeve 421, a moving column I 423 is movably inserted on the plug rod 422, a moving groove I 424 is arranged on the plug rod 422, a sliding hole is arranged on the square sleeve 421 and matched with the moving groove I 424, a push rod I 425 is arranged on the other plug rod 422 on one side of the plug rod 422 and abuts against the inner wall of one end of the moving groove I 424; The support 2 comprises a sleeve 21 fixedly connected with the connecting block 45, a connecting rod 22 is inserted on the sleeve 21, the clamping mechanism 8 is arranged on the connecting rod 22 and clamps the longitudinal beam 23, and the moving column I 423 is inserted on the connecting rod 22. The clamping mechanism 8 comprises a clamping plate 81 arranged on the connecting rod 22, a pneumatic cylinder 82 is arranged on one side of the clamping plate 81 and penetrates the clamping plate, and a clamping plate 83 is horizontally hinged on the output end of the pneumatic cylinder 82 and clamps the longitudinal beam 23.

[0033] Working principle: in order to move vertically while moving horizontally, the square sleeve 421 is arranged on the connecting block 45, the plug rod 422 is arranged on the square sleeve 421 and can move upwards, in order to adapt to the gradually increasing distance, the moving groove I 424 and the push rod I 425 are arranged, so that when the previous plug rod 422 moves, the push rod II 47 of the previous plug rod 422 drives the next plug rod 422 to move to the position of the previous plug rod 422, the moving column I 423 is arranged to fix the position of the moved plug rod 422, in order to adapt to horizontal adjustment and vertical adjustment, the support bottom is fixedly connected with the connecting block 45, the connecting rod 22 which can be lifted is arranged on the sleeve 21, so as to move with the connecting block 45 and the plug rod 422; When clamping, the longitudinal beam 23 has a certain angle when the horizontal changes, in order to facilitate clamping of the inclined place, the clamping plate 83 which can rotate horizontally is arranged, so that the clamping plate 83 can be adaptively clamped according to the specific inclination angle of the longitudinal beam 23 when clamping.

[0034] Combined with the accompanying drawings Figure 2 , the accompanying drawings Figure 3 , the accompanying drawings Figure 4 , the accompanying drawings Figure 5As shown, the positioning mechanism 43 includes piston one 431 arranged at both ends of the moving column two 44, the recess one 3 is provided with the slot one 432 matched with the piston one 431, the base 1 is provided with the connecting groove 433 communicated with multiple slot one 432 and extending to the outside of the base 1, the connecting pipe 434 for connecting the two connecting grooves 433 is arranged outside the base 1, the valve one 435 is arranged on the connecting pipe 434, the piston two 436 is arranged at both ends of the moving column one 423, the slot two 437 communicated with the connecting groove 433 and matched with the piston two 436 is arranged on the base 1, the connecting groove 433, the slot one 432, the connecting pipe 434 and the slot two 437 are filled with liquid, the water inlet pipe 438 is arranged on the connecting pipe 434, and the valve two 439 is arranged on the water inlet pipe 438. The bottom surface of the recess one 3 is provided with multiple limiting rods 9, and the connecting block 45 is provided with the limiting groove matched with the limiting rod 9.

[0035] The working principle of the positioning mechanism 43 is as follows: in order to facilitate the fixation of the moving column one 423 and the moving column two 44, the slot one 432 is arranged in the recess one 3, the piston one 431 is arranged at the end of the moving column two 44 and inserted into the slot one 432, then multiple slot one 432 are connected together through the connecting groove 433, the two ends of the connecting groove 433 are connected through the connecting pipe 434, the slot two 437 is arranged on the connecting groove 433 for matching with the piston two 436 on the moving column two 44, and then the valve one 435 is arranged to control the flow of liquid. When adjustment is needed, the valve one 435 is opened, and the piston one 431 at both ends of the moving column two 44 moves in the same direction when the moving column two 44 moves horizontally. Since the space in the slot one 432 at one end is reduced and the space in the slot one 432 at the other end is increased, the liquid enters another connecting groove 433 through the connecting pipe 434 and then supplements the slot one 432 at the other end. When vertical movement is performed, since the moving column one 423 moves upward, the filling liquid needs to be filled into the connecting pipe 434 to ensure that the filling liquid fills in the connecting pipe 434, the slot one 432, the connecting groove 433 and the slot two 437, the filling liquid is added into the water inlet pipe 438, and then the valve two 439 is opened. When the moving column one 423 moves upward, the filling liquid enters the connecting pipe 434 from the water inlet pipe 438, and then enters the slot two 437 through the connecting groove 433. When it is needed to fix the moving column one 423 and the moving column two 44, the valve one 435 and the valve two 439 are closed. At this time, the liquid on both sides cannot enter the other side through the connecting pipe 434, and cannot be discharged from the water inlet pipe 438, so that the fixation of the moving column one 423 and the moving column two 44 is completed.

[0036] The drawings are attached Figure 2 The drawings are attached Figure 3 The drawings are attached Figure 6 The drawings are attached Figure 7 The drawings are attached Figure 9As shown, the moving mechanism 6 includes a cylinder 61 that is movably inserted into the bottom surface of the slider 51. One end of the cylinder 61 is provided with a fixing block 62, and the bottom surface of the fixing block 62 is provided with a threaded post 63. A threaded sleeve 64 is threadedly connected to the threaded post 63. The end of the threaded sleeve 64 is arc-shaped. A bar 65 is provided on the threaded post 63. The end face of the bar 65 is arc-shaped. One end of the bar 65 is provided with a driving post 66. The driving post 66 moves according to the position of the longitudinal beam 23 and drives the adjusting mechanism 4 to move.

[0037] Working principle of the moving mechanism 6: Since the longitudinal beam 23 has a certain angle at the bend, the cylinder 61 needs to be rotated and set on the bottom surface of the slider 51 so that the bar 65 can move smoothly in the middle of the longitudinal beam 23. When the longitudinal beam 23 is welded, two longitudinal beams 23 are usually spliced ​​together to form a channel-shaped cross section. When the longitudinal beams 23 are spliced ​​together, the two 23 are not completely spliced ​​at this time, leaving space for 65 to move, so that the bar 65 is located between the two longitudinal beams 23. Then, the threaded sleeve 64 is rotated so that the bottom of the threaded sleeve 64 fits against the longitudinal beam 23, and then the U-shaped plate 5 is pushed to move. The U-shaped plate 5 drives the bar 65 to move between the longitudinal beams 23. When it moves to a position where the angle changes, the U-shaped plate 5 is pushed to move, and the longitudinal beam 23 will force the bar 65 to rotate, so that the bar 65 will drive the drive column 66 to rotate, thus adapting to the change of the angle of the longitudinal beam 23.

[0038] Combined with appendix Figure 2 Appendix Figure 3 Appendix Figure 6 Appendix Figure 7 Appendix Figure 9 As shown, the moving mechanism 6 also includes a connecting column 67 rotatably disposed on the bottom surface of the drive column 66. The insert rod 422 is provided with two clamping plates 68. The ends of the clamping plates 68 are arc-shaped, and the clamping plates 68 are provided with height limiting plates 69. The end of the connecting column 67 is provided with a moving block 610 that cooperates with the clamping plates 68 and the height limiting plates 69. The moving block 610 is located between the two clamping plates 68 and can slide out between the two clamping plates 68. The height limiting plate 69 is used to prevent the moving block 610 from detaching from the insert rod 422 in the vertical direction. The two ends of the moving block 610 are arc-shaped. When the front end of the moving block 610 moves between the two clamping plates 68 on the next insert rod 422, the rear end separates from the clamping plate 68 on the previous insert rod 422. The locking plates 68 on two adjacent insertion rods 422 form a channel for the moving block 610 to pass through.

[0039] Working principle: A large number of adjustment mechanisms 4 are set, and the distance between two adjacent adjustment mechanisms 4 is small, sufficient to meet the continuous forward and backward movement of the moving mechanism 6. Two adjacent insertion rods 422 are close together in the horizontal direction, allowing the moving block 610 to move from one insertion rod 422 to the next. To synchronize the position change of the bar 65 with the connecting block 45 and the insertion rod 422, two locking plates 68 are set on the insertion rod 422. This allows the insertion rod 422 to move horizontally when the bar 65 moves horizontally. A height limiting plate 69 is set on the locking plates 68. When the bar 65 moves upward, it will drive the insertion rod 422 upward, thus achieving synchronous horizontal and vertical movement of the bracket 2.

[0040] Combined with appendix Figure 1 Appendix Figure 8 As shown, the base 1 is provided with an inclined surface 7, and a groove 71 is provided on the inclined surface 7 between the brackets 2. A support plate 72 supporting the longitudinal beam 23 is rotatably provided in the groove 71, and a torsion spring 73 is provided between the support plate 72 and the inner wall of the groove 71.

[0041] Working principle: In order to place the longitudinal beam 23 on the bracket 2, multiple support plates 72 are set. Since the bending position of the longitudinal beam 23 is not fixed, the support plates 72 can be placed according to the specific regular position of the longitudinal beam 23 to provide support for the lower end of the longitudinal beam 23. Then, with the help of the threaded sleeve 64, the longitudinal beam 23 is pre-fixed. In actual use, the longitudinal beam 23 needs to be held by hand to ensure that the longitudinal beam 23 will not shake when moved to the inclined position of the longitudinal beam 23.

[0042] In practical use, the support plate 72 is moved according to the regular position of the longitudinal beam 23, and then the two longitudinal beams 23 that need to be spliced ​​are placed on the support plate 72. The U-shaped plate 5 is pushed so that the bar 65 is located between the two longitudinal beams 23. Then the threaded sleeve 64 is moved so that one end abuts against the upper end of the longitudinal beam 23. Then the U-shaped plate 5 is pushed. The U-shaped plate 5 drives the adjustment mechanism 4 through the moving mechanism 6 to change the position of the bracket 2. After the adjustment is completed, the valve 1 435 and the valve 2 439 are closed to fix the moving column 1 423 and the moving column 2 44. Then the cylinder 82 is started to drive the clamping plate 83 to clamp the longitudinal beam 23.

[0043] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A welding and clamping device for a longitudinal beam of an automobile frame, comprising a base (1) on which a plurality of supports (2) are slidably arranged in pairs on opposite sides, characterized in that: The base (1) is provided with a groove (3), the groove (3) is provided with an adjusting mechanism (4) capable of changing the horizontal and vertical positions of the support (2), the base (1) is slidably provided with a U-shaped plate (5), the U-shaped plate (5) is movably inserted with a sliding block (51), the sliding block (51) is provided with a moving mechanism (6) capable of driving the adjusting mechanism (4) to move according to the shape of the longitudinal beam (23).

2. The welding clamping device for the longitudinal beam of the automobile frame according to claim 1, characterized in that: The adjusting mechanism (4) comprises a horizontal mechanism (41) for horizontal adjustment of the support (2), a vertical mechanism (42) for vertical adjustment, and a positioning mechanism (43) for limiting the horizontal mechanism (41) and the vertical mechanism (42), the horizontal mechanism (41) comprises a plurality of moving columns (44) slidably arranged in the groove (3), the moving column (44) is provided with a connecting block (45), the connecting block (45) is provided with a moving groove (46), another connecting block (45) located on one side of the connecting block (45) is provided with a push rod (47) abutting against the inner wall of one end of the moving groove (46), and the support (2) is fixedly arranged at the end of the connecting block (45).

3. The apparatus according to claim 2, wherein: The vertical mechanism (42) comprises a square sleeve (421) arranged on the connecting block (45), the square sleeve (421) is inserted with a plug rod (422), the plug rod (422) is movably inserted with a moving column (423), the plug rod (422) is provided with a moving groove (424), the square sleeve (421) is provided with a sliding hole matched with the moving groove (424), another plug rod (422) located on one side of the plug rod (422) is provided with a push rod (425) abutting against the inner wall of one end of the moving groove (424). The support (2) comprises a sleeve (21) fixedly connected with the connecting block (45), the sleeve (21) is inserted with a connecting rod (22), the connecting rod (22) is provided with a clamping mechanism (8) for clamping the longitudinal beam, and the moving column (423) is inserted in the connecting rod (22).

4. The apparatus according to claim 3, wherein: The positioning mechanism (43) comprises a piston (431) arranged at both ends of the moving column (44), the groove (3) is provided with a plug groove (432) matched with the piston (431), the base (1) is provided with a connecting groove (433) communicating with a plurality of plug grooves (432) and extending to the outside of the base (1), the outside of the base (1) is provided with a connecting pipe (434) for connecting two connecting grooves (433), the connecting pipe (434) is provided with a valve (435), both ends of the moving column (423) are provided with a piston (436), the base (1) is provided with a plug groove (437) communicating with the connecting groove (433) and matched with the piston (436), the connecting groove (433), the plug groove (432), the connecting pipe (434) and the plug groove (437) are filled with liquid, the connecting pipe (434) is provided with a water inlet pipe (438), and the water inlet pipe (438) is provided with a valve (439).

5. The apparatus according to claim 4, wherein: The moving mechanism (6) comprises a cylindrical body (61) movably inserted into the bottom surface of the sliding block (51), one end of the cylindrical body (61) is provided with a fixed block (62), the bottom surface of the fixed block (62) is provided with a threaded column (63), the threaded column (63) is threadedly connected with a threaded sleeve (64), the end of the threaded sleeve (64) is arc-shaped, the threaded column (63) is provided with a strip rod (65), one end of the strip rod (65) is provided with a driving column (66), the driving column (66) moves according to the position of the longitudinal beam (23) and drives the adjusting mechanism (4) to move.

6. The apparatus according to claim 5, wherein: The moving mechanism (6) further comprises a connecting column (67) rotatably arranged on the bottom surface of the driving column (66), the inserting rod (422) is provided with two clamping plates (68), the clamping plates (68) are provided with limiting plates (69), the end of the connecting column (67) is provided with a moving block (610) matched with the clamping plates (68) and the limiting plates (69), the moving block (610) is located between the two clamping plates (68) and can slide out of the two clamping plates (68), and the limiting plates (69) are used for preventing the moving block (610) from being separated from the inserting rod (422) in the vertical direction.

7. The apparatus according to claim 6, wherein: The clamping plates (68) on the adjacent two inserting rods (422) form a channel for the moving block (610) to pass through.

8. The apparatus according to claim 1, wherein: The base (1) is provided with an inclined surface (7), the inclined surface (7) is provided with a groove two (71) between the supports (2), the groove two (71) is rotatably provided with a supporting plate (72) for supporting the longitudinal beam (23), and the supporting plate (72) and the inner wall of the groove two (71) are provided with a torsion spring (73).

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