Standard joint assembly tool

Abstract

This invention discloses a standard section assembly fixture, comprising a bottom platform and a lifting platform. The bottom platform is connected to the lifting platform via hydraulic lifts fixed on both sides. The bottom platform includes a bottom frame, with two sets of gripping devices arranged on its upper and lower periphery. The lifting platform includes a top frame, with gripping devices also arranged on its upper periphery. Two sets of guide rails are fixed on the lower left and right sides of the top frame. A first fixed pulley and a second fixed pulley are rotatably connected to the outer front end of each guide rail. A servo motor is fixed between the first and second fixed pulleys on the guide rail. A rope winding wheel is fixed to the output shaft of the servo motor. The wire rope of the rope winding wheel is connected to two sets of claw devices via the first and second fixed pulleys. This invention effectively solves the problems of cumbersome, difficult, time-consuming, and labor-intensive assembly of traditional standard sections, greatly improving the stability and safety of assembly operations.

Description

Technical Field

[0001] This invention relates to the field of tower crane technology, specifically to a standard section assembly fixture. Background Technology

[0002] The standard section of a tower crane is an important component of a tower crane, and therefore occupies a very important position in the entire tower crane.

[0003] In order to save on-site installation time, the components of the standard section are usually installed in the factory first, and then transported to the construction site for overall installation. Currently, tower cranes rely on frames and cranes to manually add sections. This method of adding sections occupies a lot of space, is difficult to install, time-consuming and labor-intensive, and has extremely low efficiency. Especially for tower cranes with greater height, the assembly of standard sections is more difficult, and the assembly risk of relying on frames is also greater. Summary of the Invention

[0004] The purpose of this invention is to provide a standard assembly tooling to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a standard section assembly fixture, characterized in that: it includes a bottom platform and a lifting platform, wherein the bottom platform is connected to the lifting platform via hydraulic lifts fixed on both sides;

[0006] The underlying platform includes an underlying frame, with a working platform and a counterweight platform fixed to the front and rear sides of the underlying frame, respectively, and two sets of gripping devices provided on the upper and lower periphery of the underlying frame.

[0007] The lifting platform includes a top frame, and a gripping device is also provided on the upper periphery of the top frame. Two sets of guide rails are fixed on the lower left and right sides of the top frame. A slide rail is slidably connected in the guide rail. A rack is fixed above the slide rail. A dual-axis motor is provided on the rear side of the top frame. Gears are fixedly connected to both ends of the dual-axis motor. The gears mesh with the rack.

[0008] The front end of the slide rail is rotatably connected to a first fixed pulley and a second fixed pulley. A servo motor is fixed between the first fixed pulley and the second fixed pulley. A rope winding wheel is fixed to the output shaft of the servo motor. The wire rope of the rope winding wheel is connected to two sets of claw devices through the first fixed pulley and the second fixed pulley respectively.

[0009] The gripping device includes a motor. The output shaft of the motor is connected to a first worm gear, which meshes with a first worm wheel. The other end of the first worm gear is connected via a connecting shaft to a first bevel gear, which meshes with a second hammer gear. The central shaft of the second bevel gear is connected via a connecting shaft to a second worm gear, which meshes with a second worm wheel. The other end of the second worm gear is connected via a connecting shaft to a third worm gear, which meshes with a third worm wheel. The other end of the third worm gear is connected via a connecting shaft to a third bevel gear, which meshes with a fourth bevel gear. The central shaft of the fourth bevel gear is connected via a connecting shaft to a fourth worm gear, which meshes with a fourth... The fourth worm is connected to a fifth worm via a connecting shaft. The fifth worm gear meshes with the fifth worm wheel. The other end of the fifth worm is connected to a fifth bevel gear via a connecting shaft, which meshes with a sixth bevel gear. The central shaft of the sixth bevel gear is connected to the sixth worm via a connecting shaft. The sixth worm gear meshes with the sixth worm wheel. The other end of the sixth worm is connected to a seventh worm via a connecting shaft. The seventh worm gear meshes with the seventh worm wheel. The other end of the seventh worm wheel is connected to a seventh bevel gear via a connecting shaft, which meshes with an eighth bevel gear. The central shaft of the eighth bevel gear is connected to the eighth worm via a connecting shaft. The eighth worm gear meshes with the eighth worm wheel.

[0010] The first, second, third, fourth, fifth, sixth, seventh, and eighth worm gears are fixedly connected to a gripping plate through a shaft passing through the bottom or top frame. A positioning groove is provided in the middle of the gripping plate, and limit grooves are provided on the inner walls of both sides of the positioning groove. An adjusting wheel is provided in the positioning groove, and the two wheel axles of the adjusting wheel are sleeved in the bushing. The bushing is limited in the limit groove. A connecting rod is connected to the outer wall of the bushing. The connecting rod and the bushing are slidably connected to the limit groove. The other end of the connecting rod is connected to the gripping plate through a first compression spring.

[0011] Furthermore, the inner wall of the bushing is evenly provided with a first magnetic sensor, a second magnetic sensor, and a third magnetic sensor, and the outer wall of the wheel axle is provided with a magnetic sheet. When the magnetic sheet passes through the first magnetic sensor, the second magnetic sensor, and the third magnetic sensor in sequence, it is considered that the adjusting wheel rotates clockwise. At this time, the bottom platform slides downward, and the motor continues to rotate, driving the gripping plate to move inward.

[0012] Furthermore, the claw device includes a fixing block, with a rope post fixed above one end of the fixing block for fixing and connecting a steel wire rope. A dual-axis telescopic motor is fixed inside the other end of the fixing block. The output shafts at both ends of the dual-axis telescopic motor are fixedly connected to the clamping plates. A wedge-shaped groove is provided on the inner side of the clamping plate, and a wedge-shaped block is slidably connected in the wedge-shaped groove. A rolling wheel is slidably connected to the wedge-shaped surface of the wedge-shaped block. A top rod is rotatably connected to the rolling wheel. The top rod is connected to the top sleeve through a second compression spring. A sliding groove is provided on the inner side of the front end of each clamping plate, and a clamping block is slidably connected to the sliding groove. The other end of the top sleeve is fixed to the clamping block.

[0013] Furthermore, the first, second, third, fourth, fifth, sixth, seventh, and eighth worms are all rotatably connected to the first support block fixed to the bottom frame and the top frame. Two sets of guide blocks are fixed to the outside of the gripping plate, and the guide blocks are slidably connected to the bottom frame and the top frame.

[0014] Furthermore, fixed seats are fixed on both sides of the bottom platform, and the fixed seats are fixedly connected to the end of the lifting rod of the hydraulic lift.

[0015] Furthermore, a T-shaped groove is provided below the guide rail, and the upper end of the guide rail is nested in the T-shaped groove and slidably connected thereto.

[0016] Furthermore, the wire ropes on the first and second fixed pulleys on the same side are wound in opposite directions on the rope winding wheel. When the rope winding wheel rotates, it synchronously drives the wire ropes on the first and second fixed pulleys to be wound up or unwound.

[0017] Furthermore, the gripping surface of the gripping plate is provided with friction texture.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. This invention enables the synchronous movement of eight clamping plates by rotating a motor, which facilitates the synchronous clamping of the standard section. The clamping surfaces of the clamping plates are provided with friction textures to ensure that the clamping plates firmly clamp the standard section, thereby stably completing the rapid assembly of the standard section.

[0020] 2. In this invention, when the two axes of the dual-axis telescopic motor retract inward, the two side clamping plates move inward to clamp the column of the standard section. At the same time, the wedge block moves inward after contacting the standard section. Then, the rolling wheel moves downward along the wedge surface of the wedge block under the action of the second compression spring, thereby driving the clamping block to move downward, so that the clamping block clamps the standard section. This forms a clamping plate and clamping block that hug the column of the standard section. When it contacts the upper crossbar of the standard section, the standard section is lifted. The standard section is then lifted and lowered through the claw device. This effectively solves the problem that the traditional standard section assembly relies on repeated crane operations, which occupy a lot of space and is time-consuming and labor-intensive.

[0021] 3. This invention determines the risk of assembly tooling slippage by detecting the rotation direction of the adjusting wheel. The motor continues to rotate, driving the clamping plate to move inward, increasing the clamping force of the clamping plate on the standard section until the adjusting wheel stops rotating, thereby greatly improving the stability and safety of the assembly operation. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of a standard section assembly tooling according to the present invention;

[0023] Figure 2 for Figure 1 A magnified view of the area along direction A;

[0024] Figure 3 A left view of the standard section assembly of the present invention;

[0025] Figure 4 This is a top view of a standard section assembly according to the present invention;

[0026] Figure 5 This is a schematic diagram of the underlying platform of a standard section assembly tooling according to the present invention;

[0027] Figure 6 This is a structural schematic diagram of a standard section assembly tooling lifting platform according to the present invention;

[0028] Figure 7 This is a rear view of a standard section assembly tooling lifting platform according to the present invention;

[0029] Figure 8 This is a cross-sectional structural diagram of a standard section assembly tooling clamping plate according to the present invention;

[0030] Figure 9 for Figure 8 A magnified view of the area along direction B in the diagram;

[0031] Figure 10 This is a schematic diagram of the internal connection structure of the bushing of a standard section assembly tooling according to the present invention;

[0032] Figure 11 This is a schematic diagram of the structure of a standard section assembly tooling jaw device according to the present invention;

[0033] Figure 12 This is a cross-sectional structural diagram of a standard section assembly tooling jaw device according to the present invention;

[0034] Figure 13 for Figure 12 A magnified view of the C-axis in the diagram;

[0035] Figure 14 This is a schematic diagram of the structure of a standard section assembly tooling guide rail according to the present invention;

[0036] Figure 15 This is a structural schematic diagram of a standard section assembly fixture in the assembly state of the present invention;

[0037] Figure 16 This is a left view of the standard section assembly fixture of the present invention in the state of assembling a standard section;

[0038] Figure 17 This is a bottom view of the standard section assembly fixture of the present invention in the state of assembling a standard section.

[0039] In the diagram: 1. Bottom platform; 2. Lifting platform; 201. Top frame; 202. Guide rail; 203. Slide rail; 204. Rack; 205. Dual-axis motor; 206. Gear; 207. Fixed base; 3. Hydraulic lift; 4. Clamping device; 401. Motor; 402. First worm gear; 403. First worm wheel; 404. First bevel gear; 405. Second hammer gear; 406. Second worm gear; 407. Second... Worm gear; 408, Third worm; 409, Third worm gear; 410, Third bevel gear; 411, Fourth bevel gear; 412, Fourth worm; 413, Fourth worm gear; 414, Fifth worm; 415, Fifth worm gear; 416, Fifth bevel gear; 417, Sixth bevel gear; 418, Sixth worm; 419, Sixth worm gear; 420, Seventh worm; 421, Seventh worm gear; 422, Seventh bevel gear; 423. Eighth bevel gear; 424. Eighth worm gear; 425. Eighth worm wheel; 426. Grip plate; 427. Positioning slot; 428. Limiting slot; 429. Adjusting wheel; 430. Wheel axle; 431. Bushing; 432. Connecting rod; 433. First compression spring; 434. First magnetic sensor; 435. Second magnetic sensor; 436. Third magnetic sensor; 437. Magnetic sheet; 438. Friction pattern; 439. Guide. 440. Support block; 5. First fixed pulley; 6. Second fixed pulley; 7. Servo motor; 8. Rope winding wheel; 9. Claw device; 901. Fixed block; 902. Rope post; 903. Dual-axis telescopic motor; 904. Card plate; 905. Wedge groove; 906. Wedge block; 907. Rolling wheel; 908. Top rod; 909. Second compression spring; 910. Top sleeve; 911. Slide groove; 912. Card block; 10. Standard section. Detailed Implementation

[0040] 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.

[0041] Example 1

[0042] Please see Figure 1 -,14, The present invention provides a technical solution: a standard assembly tooling, including a bottom platform 1 and a lifting platform 2. The bottom platform 1 is connected to the lifting platform 2 through hydraulic lifters 3 fixed on both sides. Fixed seats 207 are fixed on both sides of the bottom platform 1. The fixed seats 207 are fixedly connected to the lifting rod ends of the hydraulic lifters 3. The lifting platform 2 is raised and lowered relative to the bottom platform 1 by the hydraulic lifters 3.

[0043] Specifically, the bottom platform 1 includes a bottom frame 101. A work platform 102 and a counterweight platform 103 are fixed on the front and rear sides of the bottom frame 101, respectively. The work platform 102 is used by workers to perform standard section assembly work by following the lifting and lowering of the bottom platform 1. The counterweight platform 103 is used to balance the entire assembly fixture and prevent it from tipping over due to excessive weight on one side.

[0044] The bottom frame has two sets of gripping devices 4 on its upper and lower perimeters. Each gripping device 4 includes a motor 401. The output shaft of the motor 401 is connected to a first worm gear 402. The first worm gear 402 is geared to a first worm wheel 403. The other end of the first worm gear 402 is connected to a first bevel gear 404 via a connecting shaft. The first bevel gear 404 is geared to a second hammer gear 405. The central shaft of the second bevel gear 405 is connected to a second worm gear 406 via a connecting shaft. The second worm gear 406 is geared to a second worm wheel 407. The other end of the second worm gear 406 is connected to a third worm gear 408 via a connecting shaft. The third worm gear 408 is geared to a third worm wheel 409. The other end of the third worm gear 408 is connected to a third bevel gear 410 via a connecting shaft. The third bevel gear 410 is geared to a fourth bevel gear 411. The central shaft of the fourth bevel gear 411 is connected to a fourth worm gear 412 via a connecting shaft. The fourth worm gear 413 is engaged with the gear. The other end of the fourth worm 412 is connected to the fifth worm 414 via a connecting shaft. The fifth worm 414 is engaged with the fifth worm gear 415 via a gear. The other end of the fifth worm 414 is connected to the fifth bevel gear 416 via a connecting shaft. The fifth bevel gear 416 is engaged with the sixth bevel gear 417 via a gear. The central shaft of the sixth bevel gear 417 is connected to the sixth worm 418 via a connecting shaft. The sixth worm 418 is engaged with the sixth worm gear 419 via a gear. The other end of the sixth worm 418 is connected to the seventh worm 420 via a connecting shaft. The seventh worm 420 is engaged with the seventh worm gear 421 via a gear. The other end of the seventh worm gear 421 is connected to the seventh bevel gear 422 via a connecting shaft. The seventh bevel gear 422 is engaged with the eighth bevel gear 423 via a gear. The central shaft of the eighth bevel gear 423 is connected to the eighth worm 424 via a connecting shaft. The eighth worm 424 is engaged with the eighth worm gear 425 via a gear.

[0045] Among them, the first worm 402, the second worm 406, the third worm 408, the fourth worm 412, the fifth worm 414, the sixth worm 418, the seventh worm 420 and the eighth worm 424 are all rotatably connected to the first support block 440 fixed on the bottom frame 101 and the top frame 201, thereby providing support for the operation of the worm and the bevel gear.

[0046] Among them, the first worm gear 403, the second worm gear 407, the third worm gear 409, the fourth worm gear 413, the fifth worm gear 415, the sixth worm gear 419, the seventh worm gear 421, and the eighth worm gear 425 are fixedly connected to a gripping plate 426 through the bottom frame 101 or the top frame 201 via a screw and a screw sleeve. The screw and the screw sleeve are threadedly connected, and the other end of the screw sleeve is fixed to the center of the turbine. The gripping plate is fixed to the other end of the screw. Two sets of guide blocks 439 are fixed to the outside of the gripping plate 426, and the guide blocks 439 are slidably connected to the bottom frame 101 and the top frame 201. Under the limiting action of the guide blocks 439, the gripping plate 426 can only move inward and outward along the frame. When the turbine rotates, it will drive the screw sleeve to rotate, which will cause the screw to move in and outward within the screw sleeve, thereby driving the gripping plate 426 to move in and outward along the frame.

[0047] When the motor 401 rotates, it drives the first worm gear 402 to rotate, which in turn drives the first worm wheel 403 to rotate. This, in turn, causes the first worm wheel 403 to move the pneumatically connected gripping plate 426. Simultaneously, the first worm gear 402 drives the first bevel gear 404 to rotate, which in turn drives the second hammer gear 405 to rotate. This second bevel gear then drives the second worm gear 406 to rotate, which in turn drives the second worm wheel 407 to rotate. This, in turn, causes the second worm wheel 407 to move the gripping plate 426 it is connected to. Simultaneously, the second worm 406 drives the third worm 408 to rotate, the third worm 408 drives the third worm wheel 409 to rotate, which in turn causes the third worm wheel 409 to move the gripping plate 426 connected to it; at the same time, the third worm 408 drives the third bevel gear 410 to rotate, the third bevel gear 410 drives the fourth bevel gear 411 to rotate, the fourth bevel gear 411 drives the fourth worm 412, the fourth worm 412 drives the fourth worm wheel 413 to rotate, which in turn causes the fourth worm wheel 413 to move the gripping plate 426 connected to it. Simultaneously, the fourth worm 412 drives the fifth worm 414 to rotate, the fifth worm 414 drives the fifth worm wheel 415 to rotate, which in turn causes the fifth worm wheel 415 to move the gripping plate 426 connected to it; at the same time, the fifth worm 414 drives the fifth bevel gear 416 to rotate, the fifth bevel gear 416 drives the sixth bevel gear 417 to rotate, the sixth bevel gear 417 drives the sixth worm 418, the sixth worm 418 drives the sixth worm wheel 419 to rotate, which in turn causes the sixth worm wheel 419 to move the gripping plate 426 connected to it; Simultaneously, the sixth worm 418 drives the seventh worm 420 to rotate, the seventh worm 420 drives the seventh worm wheel 421 to rotate, which in turn causes the seventh worm wheel 421 to move the gripping plate 426 connected to it; at the same time, the seventh worm wheel 421 drives the seventh bevel gear 422 to rotate, the seventh bevel gear 422 drives the eighth bevel gear 423 to rotate, the eighth bevel gear 423 drives the eighth worm 424 to rotate, the eighth worm 424 drives the eighth worm wheel 425 to rotate, which in turn causes the eighth worm wheel 425 to move the gripping plate 426 connected to it.

[0048] Thus, when the motor 401 rotates, the eight gripping plates 426 can move synchronously to lock the standard section 10 synchronously. The gripping surfaces of the gripping plates 426 are provided with friction textures 438 to ensure that the gripping plates 426 can firmly lock the standard section 10.

[0049] The lifting platform 2 includes a top-level frame 201. A gripping device 4 is also provided on the upper periphery of the top-level frame 201. Two sets of guide rails 202 are fixed on the lower left and right sides of the top-level frame 201. A slide rail 203 is slidably connected within the guide rails 202. A T-shaped groove 212 is provided below the guide rails 202. The upper end of the slide rail 203 is nested in and slidably connected to the T-shaped groove 212. A rack 204 is fixed above the slide rail 203. A dual-axis motor 205 is provided at the rear of the top-level frame 201. Gears 206 are fixedly connected to both ends of the dual-axis motor 205. The gears 206 mesh with the rack 204. A first fixed pulley 5 and a second fixed pulley 6 are sequentially rotatably connected to the outer front end of the slide rail 203. A servo motor 7 is fixed between the first fixed pulley 5 and the second fixed pulley 6 in the slide rail 203. The output shaft of the servo motor 7 is fixed with a rope winding wheel 8. The wire rope of the rope winding wheel 8 is connected to two sets of claw devices 9 through the first fixed pulley 5 and the second fixed pulley 6 respectively. The wire ropes on the first fixed pulley 5 and the second fixed pulley 6 on the same side are wound in opposite directions on the rope winding wheel 8. In this way, when the rope winding wheel 8 rotates, it can synchronously drive the wire ropes on the first fixed pulley 5 and the second fixed pulley 6 to be wound or unwound.

[0050] Specifically, the claw device 9 includes a fixing block 901. A rope post 902 is fixed above one end of the fixing block 901. The rope post 902 is used to fix and connect the steel wire rope. A dual-axis telescopic motor 903 is fixed inside the other end of the fixing block 901. The output shafts at both ends of the dual-axis telescopic motor 903 are fixedly connected to the clamping plate 904. A wedge-shaped groove 905 is opened on the inner side of the clamping plate 904. A wedge-shaped block 906 is slidably connected in the wedge-shaped groove 905. A rolling wheel 907 is slidably connected to the wedge-shaped surface of the wedge-shaped block 906. A top rod 908 is rotatably connected to the rolling wheel 907. The top rod 908 is connected to the top sleeve 910 through a second compression spring 909. A sliding groove 911 is provided on the inner side of the front end of each clamping plate 904. A clamping block 912 is slidably connected to the sliding groove 911. The other end of the top sleeve 910 is fixed to the clamping block 912.

[0051] The gripping plate 426 has a positioning groove 427 in the middle, and a limiting groove 428 is formed on the inner walls of both sides of the positioning groove 427. An adjusting wheel 429 is provided in the positioning groove 427. The two wheel axles 430 of the adjusting wheel 429 are sleeved in the bushing 431. The bushing 431 is limited in the limiting groove 428. A connecting rod 432 is connected to the outer wall of the bushing 431. Both the connecting rod 432 and the bushing 431 are slidably connected to the limiting groove 428. The other end of the connecting rod 432 is connected to the gripping plate 426 through a first compression spring 433.

[0052] When the two axes of the dual-axis telescopic motor 903 retract inward, the two side clamping plates 904 move inward to clamp the column of the standard section 10. At the same time, the wedge block 906 moves inward after contacting the standard section 10. Then, under the action of the second compression spring 909, the rolling wheel 907 moves downward along the wedge surface of the wedge block 906, thereby driving the clamping block 912 to move downward, so that the clamping block 912 clamps the standard section 10. Thus, the clamping plates 904 and the clamping block 912 encircle the column of the standard section 10. When they contact the upper crossbar of the standard section 10, the standard section 10 is lifted, thereby performing lifting and lowering operations on the standard section 10 through the claw device 9.

[0053] refer to Figure 15-17 In operation, the first standard section 10 is first piled on the ground and secured. Then, the bottom platform 1 is firmly fixed to the standard section 10 using 16 clamping plates. Next, the second standard section 10 is lifted to a certain height using the claw device 9. The dual-axis motor 205 is then rotated, causing the rack 204 to move, which in turn moves the slide rail 203 along the guide rail 202. This moves the second standard section to a position aligned with the first standard section 10. Finally, the hydraulic lift 3 is slowly lowered to align and clamp the second standard section 10 with the first standard section. The work platform 102 is then secured. After the workers have secured the two standard sections 10, they control the hydraulic lift 3 to move the jacking platform 2 to a suitable position. The second standard section 10 is then secured by the gripping device 4 on the jacking platform 2. The hydraulic lift 3 is then moved upward to the bottom platform 1 to a suitable position, and the bottom platform 1 is securely fixed to the standard section 10 by the 16 gripping plates on the top and bottom. The third standard section 10 is then lifted from the ground by the claw device 9. This process is repeated to gradually complete the assembly of the tower crane standard sections 10. The assembly speed is fast and the efficiency is high, which solves the problems of high difficulty, time and labor cost in the traditional standard section 10 assembly operation.

[0054] Example 2

[0055] refer to Figure 10To further improve the robustness and stability of the assembly fixture in the assembly standard section, this embodiment, based on embodiment 1, has a first magnetic sensor 434, a second magnetic sensor 435, and a third magnetic sensor 436 evenly distributed on the inner wall of the bushing 431, and a magnetic sheet 437 on the outer wall of the wheel axle 430. When the magnetic sheet 437 passes through the first magnetic sensor 434, the second magnetic sensor 435, and the third magnetic sensor 436 in sequence, it is considered that the adjusting wheel 429 rotates clockwise. At this time, the bottom platform 1 slides downward, and the motor 401 continues to rotate, driving the gripping plate 426 to move inward. Due to the setting of three sets of magnetic sensors, the rotation direction of the adjusting wheel 429 can be accurately determined. The determination principle is: assuming that the magnetic sheet 437 passes through the positions of the three sets of magnetic sensors A, B, and C respectively, then clockwise rotation can only be ABC, BCA, or CAB. Counterclockwise rotation results in CBA, BAC, or ACB, thus the direction of rotation of the adjusting wheel 429 can be determined by the sequence of the magnetic sheet 437 passing through the first magnetic sensor 434, the second magnetic sensor 435, and the third magnetic sensor 436.

[0056] After the gripping device 4 grips the standard section 10, in order to avoid accidents, the bottom platform 1 or the lifting platform 2 may slide down along the standard section, which could cause the assembly tooling to fall. Once the adjusting wheel 429 is detected to be rotating clockwise, the motor 401 continues to rotate, driving the gripping plate 426 to move inward, increasing the gripping force of the gripping plate 426 on the standard section 10, until the adjusting wheel 429 stops rotating, thereby greatly improving the stability and safety of the assembly operation.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A standard assembly tooling, characterized in that: It includes a bottom platform and a lifting platform, wherein the bottom platform is connected to the lifting platform via hydraulic lifts fixed on both sides; The underlying platform includes an underlying frame, with a working platform and a counterweight platform fixed to the front and rear sides of the underlying frame, respectively, and two sets of gripping devices provided on the upper and lower periphery of the underlying frame. The lifting platform includes a top frame, and a gripping device is also provided on the upper periphery of the top frame. Two sets of guide rails are fixed on the lower left and right sides of the top frame. A slide rail is slidably connected in the guide rail. A rack is fixed above the slide rail. A dual-axis motor is provided on the rear side of the top frame. Gears are fixedly connected to both ends of the dual-axis motor. The gears mesh with the rack. The front end of the slide rail is rotatably connected to a first fixed pulley and a second fixed pulley. A servo motor is fixed between the first fixed pulley and the second fixed pulley. A rope winding wheel is fixed to the output shaft of the servo motor. The wire rope of the rope winding wheel is connected to two sets of claw devices through the first fixed pulley and the second fixed pulley respectively. The gripping device includes a motor. The output shaft of the motor is connected to a first worm gear, which meshes with a first worm wheel. The other end of the first worm gear is connected via a connecting shaft to a first bevel gear, which meshes with a second bevel gear. The central shaft of the second bevel gear is connected via a connecting shaft to a second worm gear, which meshes with a second worm wheel. The other end of the second worm gear is connected via a connecting shaft to a third worm gear, which meshes with a third worm wheel. The other end of the third worm gear is connected via a connecting shaft to a third bevel gear, which meshes with a fourth bevel gear. The central shaft of the fourth bevel gear is connected via a connecting shaft to a fourth worm gear, which meshes with a fourth bevel gear. The fourth worm is connected to a fifth worm via a connecting shaft. The fifth worm gear meshes with the fifth worm wheel. The other end of the fifth worm is connected to a fifth bevel gear via a connecting shaft, which meshes with a sixth bevel gear. The central shaft of the sixth bevel gear is connected to the sixth worm via a connecting shaft. The sixth worm gear meshes with the sixth worm wheel. The other end of the sixth worm is connected to a seventh worm via a connecting shaft. The seventh worm gear meshes with the seventh worm wheel. The other end of the seventh worm wheel is connected to a seventh bevel gear via a connecting shaft, which meshes with an eighth bevel gear. The central shaft of the eighth bevel gear is connected to the eighth worm via a connecting shaft. The eighth worm gear meshes with the eighth worm wheel. The first, second, third, fourth, fifth, sixth, seventh, and eighth worm gears are fixedly connected to a gripping plate through a shaft passing through the bottom or top frame. A positioning groove is provided in the middle of the gripping plate, and limit grooves are provided on the inner walls of both sides of the positioning groove. An adjusting wheel is provided in the positioning groove, and the two wheel axles of the adjusting wheel are sleeved in the bushing. The bushing is limited in the limit groove. A connecting rod is connected to the outer wall of the bushing. The connecting rod and the bushing are slidably connected to the limit groove. The other end of the connecting rod is connected to the gripping plate through a first compression spring. The inner wall of the bushing is evenly provided with a first magnetic sensor, a second magnetic sensor, and a third magnetic sensor. The outer wall of the wheel axle is provided with a magnetic sheet. When the magnetic sheet passes through the first magnetic sensor, the second magnetic sensor, and the third magnetic sensor in sequence, it is considered that the adjusting wheel rotates clockwise. At this time, the bottom platform slides downward, and the motor continues to rotate, driving the gripping plate to move inward. The gripper device includes a fixing block, with a rope post fixed above one end of the fixing block for fixing a steel wire rope. A dual-axis telescopic motor is fixed inside the other end of the fixing block. The output shafts at both ends of the dual-axis telescopic motor are fixedly connected to a gripper plate. A wedge-shaped groove is provided on the inner side of the gripper plate, and a wedge block is slidably connected in the wedge-shaped groove. A rolling wheel is slidably connected to the wedge-shaped surface of the wedge block, and a top rod is rotatably connected to the rolling wheel. The top rod is connected to a top sleeve through a second compression spring. A sliding groove is provided on the inner side of the front end of each gripper plate, and a gripper block is slidably connected to the sliding groove. The other end of the top sleeve is fixed to the gripper block.

2. The standard section assembly fixture according to claim 1, characterized in that: The first, second, third, fourth, fifth, sixth, seventh, and eighth worms are all rotatably connected to the first support block fixed to the bottom frame and the top frame. Two sets of guide blocks are fixed to the outside of the gripping plate, and the guide blocks are slidably connected to the bottom frame and the top frame.

3. The standard section assembly fixture according to claim 1, characterized in that: The bottom platform is fixed with fixed seats on both sides, and the fixed seats are fixedly connected to the end of the lifting rod of the hydraulic lift.

4. The standard section assembly fixture according to claim 1, characterized in that: A T-shaped groove is provided below the guide rail, and the upper end of the guide rail is nested in the T-shaped groove and slidably connected thereto.

5. The standard section assembly fixture according to claim 1, characterized in that: On the same side, the wire ropes on the first and second fixed pulleys are wound in opposite directions on the winding wheel. When the winding wheel rotates, it synchronously drives the wire ropes on the first and second fixed pulleys to be wound up or unwound.

6. The standard section assembly fixture according to claim 1, characterized in that: The gripping surface of the gripping plate is provided with friction texture.

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