Automatic unhooking and rehooking robot for car dumper

Abstract

The invention relates to the technical field of re-hooking robots, in particular to an automatic unhooking and re-hooking robot for a car dumper, which comprises a moving carrier, a first motor is arranged at the top end of the moving carrier, an electric push rod is arranged at the output end of the first motor, a support is arranged at the output end of the electric push rod, and an adjusting assembly is arranged in an inner cavity of the support. A connecting plate is arranged at the top end of the adjusting assembly, a supporting rod is arranged at the front end of the connecting plate, reinforcing ribs are arranged on the supporting rod and fixedly connected with the connecting plate, and a rack is arranged at the front end of the supporting rod. The automatic unhooking and rehooking robot of the car dumper solves the problems that in the prior art, an automatic unhooking and rehooking robot of the car dumper is not provided with a positioning structure in the actual use process, operation is interrupted due to the fact that the moving situation often occurs in the rehooking and unhooking processes, and the shape of a clamping jaw is fixed; the problems that hook bolts in different shapes cannot be stably clamped, and limitation is large in the using process are solved.

Description

Technical Field

[0001] The invention relates to the technical field of hook-removing robots, in particular to an automatic hook-removing and hook-removing robot for a car tipper. Background Art

[0002] The automatic hook-removing and hook-reattaching robot for car tippers is a robot specially designed for car tippers to realize the automation of hook-removing and hook-reattaching operations. The automatic hook-removing and hook-reattaching robot for car tippers integrates advanced sensor technology, control technology and mechanical arm technology, and can automatically complete hook-removing and hook-reattaching operations during the unloading process of car tippers. This robot not only improves the operating efficiency, but also reduces the risk and labor intensity of manual operation. Through high-precision sensors and control systems, the robot can accurately identify and locate the carriages and hook positions to be removed or reattached. The robot can adapt to carriages of different models and sizes, as well as various abnormal conditions of carriage hooks, such as deformation and damage. The robot adopts advanced control algorithms and artificial intelligence technology to realize automatic operation and make intelligent adjustments according to actual conditions. The robot is equipped with a remote monitoring and diagnostic system, which can monitor the operating status of the robot in real time, detect and handle faults in time, and can quickly and accurately complete hook-removing and hook-reattaching operations, greatly improving the operating efficiency of the car tippers. Through automated operations, the need for manual operation is reduced, thereby reducing labor costs. Robot operations reduce the risk of manual operation and avoid safety accidents caused by human factors. The automatic hook-removing and hook-reattaching robot for dumpers has been widely used in many fields, such as energy, transportation, logistics, etc. With the continuous advancement of technology and the continuous expansion of the market, the automatic hook-removing and hook-reattaching robot for dumpers will develop in a more intelligent, efficient and safe direction. In the future, this type of robot will pay more attention to the integration and collaborative operation with the dumper system to achieve a more efficient and safer unloading process.

[0003] However, the existing automatic hook unhooking and hooking robot for dumpers still has the following problems in actual use: 1. The shape of the clamping claw is fixed, and it cannot stably clamp hook pins of different shapes, which has great limitations when used; 2. There is no positioning structure, and the hook often moves during the process of hooking and unhooking, interrupting the operation; In view of the above problems, a car tipping machine automatic hook unhooking and hook rehooking robot is provided. Summary of the invention

[0004] The object of the present invention is to provide an automatic hook-removing and hook-re-removing robot for a car tipping machine to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic unhooking and rehooking robot for a dumper, comprising a mobile carrier, a first motor is arranged at the top of the mobile carrier, an electric push rod is arranged at the output end of the first motor, a bracket is arranged at the output end of the electric push rod, an adjusting component is arranged at the inner cavity of the bracket, a connecting plate is arranged at the top of the adjusting component, a supporting rod is arranged at the front end of the connecting plate, a reinforcing rib is arranged on the supporting rod, the reinforcing rib is fixedly connected to the connecting plate, a frame is arranged at the front end of the supporting rod, a sliding component is arranged at the inner cavity of the frame, two fixed boxes are arranged on the sliding component, a plurality of fixed rods are arranged in the inner cavity of each of the fixed boxes, a sleeve is slidably sleeved on the outside of each of the fixed rods, one end of the fixed rod is fixedly connected to a spring, and the other end of the spring is fixedly connected to one end of the inner cavity of the sleeve, fixed plates are arranged on the left and right sides of the outer wall of the mobile carrier, a lifting component is arranged on each of the fixed plates, and an anti-slip plate is arranged at the bottom end of each of the lifting components.

[0005] Preferably, the mobile carrier is a tracked mobile vehicle.

[0006] Preferably, the sliding assembly includes a second motor, a lead screw, a guide rod and a slider, the second motor is arranged at the rear end of the bracket, the output end of the second motor extends to the inner cavity of the second motor, one end of the lead screw is rotatably connected to the front side of the inner cavity of the bracket through a bearing, the other end of the lead screw is fixedly connected to the output end of the second motor, the guide rod is arranged in the inner cavity of the bracket, the slider is screwed on the outer wall of the lead screw and slidably sleeved on the outer wall of the guide rod, and the top end of the slider is fixedly connected to the bottom end of the connecting plate.

[0007] Preferably, one end of the guide rod extends to the front end of the bracket, and a limit rod is slidably inserted into the inner cavity of the guide rod, and the limit rod is fixedly connected to the rear side of the frame.

[0008] Preferably, the sliding assembly includes a third motor, a screw rod, a slide plate, a limit assembly and a connecting rod, the third motor is arranged at the right end of the frame, the output end of the third motor extends to the inner cavity of the frame, one end of the screw rod is rotatably connected to the left side of the inner cavity of the frame through a bearing, the other end of the screw rod is fixedly connected to the output end of the third motor, the two slide plates are respectively screwed on the left and right sides of the outer wall of the screw rod, the limit assembly is arranged on the rear side of the inner cavity of the frame and is fixedly connected to the two sliders, and the two connecting rods are respectively arranged at the front ends of the two slide plates and are respectively fixedly connected to the two fixed boxes.

[0009] Preferably, the threads on the left and right sides of the outer wall of the screw rod are arranged opposite to each other.

[0010] Preferably, the limit assembly includes a limit slot and a limit block, the limit slot is opened on the rear side of the inner cavity of the frame, the two limit blocks can be slidably embedded in the inner cavity of the limit slot and are respectively fixedly connected to the two slides, the inner cavity of the limit slot is adapted to fit the outer wall of the limit block and are both in a "T" shape.

[0011] Preferably, the lifting assembly includes a fixed cylinder, a screw, a knob and a telescopic assembly. The fixed cylinder is fixedly embedded in the middle part of the fixed plate, the screw is threaded in the inner cavity of the fixed cylinder, the knob is fixedly connected to the top end of the screw, the bottom end of the screw is rotatably connected to the top end of the anti-slip plate through a bearing, and the telescopic assembly is arranged between the fixed plate and the anti-slip plate.

[0012] Preferably, the telescopic assembly includes a telescopic cylinder, a telescopic rod and a connecting assembly, the telescopic cylinder is arranged at the top of the anti-slip plate, the telescopic rod can be slidably inserted in the inner cavity of the telescopic cylinder and fixedly connected to the bottom end of the fixed plate, and the connecting assembly is arranged on the inner wall of the telescopic cylinder and fixedly connected to the outer wall of the telescopic rod.

[0013] Preferably, the connecting assembly includes a connecting groove and a connecting block, the connecting groove is opened on the inner wall of the telescopic cylinder, the connecting block can be slidably embedded in the inner cavity of the connecting groove and fixedly connected to the outer wall of the telescopic rod, the inner cavity of the connecting groove and the outer wall of the connecting block are adapted to fit together and are both dovetail-shaped.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting the lifting assembly, the anti-slide plate can slide down in a straight line and contact the ground to support the device, so that the mobile carrier is out of contact with the ground, thereby preventing the device from moving when in use, improving the stability of the device when in use, and solving the problem that the automatic hook-unhooking and hook-recovering robot of the prior art tipper does not have a positioning structure during actual use, and often moves during the process of hook-unhooking and hook-recovering, interrupting the operation; 2. The device can be rotated by the setting of the first motor, the operating height of the device can be adjusted by the setting of the electric push rod, and the horizontal position of the device can be adjusted by the setting of the adjustment component, so that the position of the fixed box can be flexibly adjusted, which is convenient for re-hooking and unhooking hooks at different positions, thereby improving the flexibility of the device when in use; 3. Through the setting of the sliding component, the two fixed boxes can slide toward the middle at the same time, so that the sleeve contacts the hook pin. At this time, the protruding position on the pin can squeeze the sleeve, so that the spring inside the sleeve is squeezed and produces corresponding elastic deformation, and then produces corresponding elastic force. Under the elastic force of the spring, the sleeve can be in close contact with the outer wall of the pin, and the sleeves in other different parts all produce corresponding positions, so as to achieve clamping of pins of different shapes and sizes, which solves the problem that the automatic unhooking and re-hooking robot of the tipping machine in the prior art has a fixed shape of the clamping claws during actual use, cannot stably clamp hook pins of different shapes, and has great limitations when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a structural schematic diagram of the positioning assembly of the present invention; Figure 3 It is a structural schematic diagram of the regulating assembly of the present invention; Figure 4 It is a structural schematic diagram of the sliding assembly of the present invention; Figure 5 It is a structural schematic diagram of the fixed box of the present invention; Figure 6 It is a structural schematic diagram of the spring of the present invention; Figure 7 It is a front cross-sectional view of the telescopic assembly of the present invention.

[0016] In the figure: 1. mobile carrier; 2. first motor; 3. electric push rod; 4. bracket; 5. rack; 6. fixed box; 7. fixed plate; 8. anti-skid plate; 9. fixed cylinder; 10. screw; 11. knob; 12. telescopic cylinder; 13. telescopic rod; 14. connecting groove; 15. connecting block; 16. second motor; 17. lead screw; 18. guide rod; 19. slider; 20. connecting plate; 21. support rod; 22. reinforcing rib; 23. limit rod; 24. third motor; 25. lead screw; 26. slide plate; 27. limit groove; 28. limit block; 29. ​​connecting rod; 30. fixed rod; 31. sleeve; 32. spring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figures 1 to 7The present invention provides a technical solution: an automatic hook-removing and hook-reapping robot for a dumper, comprising a mobile carrier 1, a first motor 2 is arranged at the top of the mobile carrier 1, an electric push rod 3 is arranged at the output end of the first motor 2, a bracket 4 is arranged at the output end of the electric push rod 3, an adjustment component is arranged at the inner cavity of the bracket 4, a connecting plate 20 is arranged at the top of the adjustment component, a support rod 21 is arranged at the front end of the connecting plate 20, a reinforcing rib 22 is arranged on the support rod 21, and the reinforcing rib 22 is fixedly connected to the connecting plate 20, a frame 5 is arranged at the front end of the support rod 21, a sliding component is arranged in the inner cavity of the frame 5, two fixed boxes 6 are arranged on the sliding component, and each fixed box 6 has a The inner cavity is provided with a plurality of fixing rods 30, and a sleeve 31 is slidably sleeved on the outside of each fixing rod 30, and one end of the fixing rod 30 is fixedly connected to a spring 32, and the other end of the spring 32 is fixedly connected to one end of the inner cavity of the sleeve 31. The left and right sides of the outer wall of the mobile carrier 1 are provided with fixing plates 7, and each fixing plate 7 is provided with a lifting component, and the bottom end of each lifting component is provided with an anti-slip plate 8. Through the setting of the lifting component, the anti-slip plate 8 can slide downward along a straight line and contact the ground to support the device, thereby making the mobile carrier 1 out of contact with the ground, thereby preventing the device from moving when in use, and improving the device. The stability of the device when in use is solved, which solves the problem that the automatic hook-unhooking and hook-removing robot of the prior art tipper has no positioning structure during actual use, and the operation is often interrupted by movement during the process of hook-unhooking and hook-removing. The device can be rotated by setting the first motor 2, and the operating height of the device can be adjusted by setting the electric push rod 3. The horizontal position of the device can be adjusted by setting the adjustment component, and then the position of the fixed box 6 can be flexibly adjusted, which is convenient for hook-unhooking and hook-removing operations at different positions, thereby improving the flexibility of the device when in use. The two fixed boxes 6 can be simultaneously adjusted by setting the sliding component. The cam 32 is pressed against the top of the handle 31 and the spring 32 is pressed against the top of the handle 31 to release the spring 32. The cam 32 is pressed against the top of the handle 31 and the spring 32 is pressed against the top of the handle 31 to release the spring 32.

[0019] In this embodiment, the mobile carrier 1 is a crawler-type mobile vehicle.

[0020] In this embodiment, the sliding assembly includes a second motor 16, a lead screw 17, a guide rod 18 and a slider 19. The second motor 16 is arranged at the rear end of the bracket 4, and the output end of the second motor 16 extends to the inner cavity of the second motor 16. One end of the lead screw 17 is rotatably connected to the front side of the inner cavity of the bracket 4 through a bearing, and the other end of the lead screw 17 is fixedly connected to the output end of the second motor 16. The guide rod 18 is arranged in the inner cavity of the bracket 4, and the slider 19 is screwed on the outer wall of the lead screw 17 and slidably sleeved on the outer wall of the guide rod 18. The top of the slider 19 is fixedly connected to the bottom end of the connecting plate 20. Start the second motor 16 to drive the lead screw 17 to rotate. Under the action of the rotational force of the thread on the outer wall of the lead screw 17, when the lead screw 17 rotates, the slider 19 can drive the connecting plate 20, the support rod 21, the frame 5 and the fixed box 6 to slide back and forth under the limiting action of the guide rod 18, and the front and rear position of the fixed box 6 can be adjusted.

[0021] In this embodiment, one end of the guide rod 18 extends to the front end of the bracket 4, and a limit rod 23 can be slidably inserted into the inner cavity of the guide rod 18. The limit rod 23 is fixedly connected to the rear side of the frame 5 to prevent the support rod 21 from tilting downward during the sliding process.

[0022] In this embodiment, the sliding assembly includes a third motor 24, a screw rod 25, a slide plate 26, a limit assembly and a connecting rod 29. The third motor 24 is arranged at the right end of the frame 5, and the output end of the third motor 24 extends to the inner cavity of the frame 5. One end of the screw rod 25 is rotatably connected to the left side of the inner cavity of the frame 5 through a bearing, and the other end of the screw rod 25 is fixedly connected to the output end of the third motor 24. The two slide plates 26 are respectively screwed on the left and right sides of the outer wall of the screw rod 25. The limit assembly is arranged at the rear side of the inner cavity of the frame 5 and is connected to the two sliders 19 Fixed connection, two connecting rods 29 are respectively arranged at the front ends of the two slides 26 and are respectively fixedly connected to the two fixed boxes 6, and the third motor 24 is started, so that the third motor 24 drives the screw rod 25 to rotate, and then the opposite threads on the left and right sides of the outer wall of the screw rod 25 generate relative thread rotation force, so that the two slides 26 slide toward the middle of the screw rod 25 at the same time under the limiting action of the limiting groove 27 and the limiting block 28, so that the two connecting rods 29 respectively drive the two fixed boxes 6 to slide toward the pin in the middle thereof, so that the sleeve 31 contacts the hook pin.

[0023] In this embodiment, the threads on the left and right sides of the outer wall of the screw rod 25 are arranged relative to each other, so that when the screw rod 25 rotates, the left and right sides of its outer wall generate relative thread rotation forces, so that the two slide plates 26 slide relatively at the same time under the limiting action of the limiting groove 27 and the limiting block 28.

[0024] In this embodiment, the limit assembly includes a limit slot 27 and a limit block 28. The limit slot 27 is opened on the rear side of the inner cavity of the frame 5. The two limit blocks 28 can be slidably embedded in the inner cavity of the limit slot 27 and are respectively fixedly connected to the two slides 26. Under the joint action of the limit slot 27 and the limit block 28, the slide 26 can be prevented from rotating with the screw rod 25 when the screw rod 25 rotates, thereby improving the stability of the sliding assembly when in use. The inner cavity of the limit slot 27 and the outer wall of the limit block 28 are adapted to each other and are both in a "T" shape, so that one end of the limit block 28 can always remain embedded in the inner cavity of the limit slot 27, thereby improving the stability of the limit assembly when in use.

[0025] In this embodiment, the lifting assembly includes a fixed cylinder 9, a screw 10, a knob 11 and a telescopic assembly. The fixed cylinder 9 is fixedly embedded in the middle of the fixed plate 7, the screw 10 is screwed into the inner cavity of the fixed cylinder 9, the knob 11 is fixedly connected to the top of the screw 10, and the bottom end of the screw 10 is rotatably connected to the top of the anti-slip plate 8 through a bearing. The telescopic assembly is arranged between the fixed plate 7 and the anti-slip plate 8. The knob 11 is rotated to drive the screw 10 to rotate. Under the action of the rotational force of the outer wall thread of the screw 10, when the screw 10 rotates, the anti-slip plate 8 can slide downward along a straight line under the limiting action of the telescopic cylinder 12 and the telescopic rod 13, so that the bottom end of the anti-slip plate 8 contacts the ground, thereby increasing the friction between the device and the ground to prevent the device from moving during use.

[0026] In this embodiment, the telescopic assembly includes a telescopic cylinder 12, a telescopic rod 13 and a connecting assembly. The telescopic cylinder 12 is arranged at the top of the anti-skid plate 8, and the telescopic rod 13 can be slidably inserted into the inner cavity of the telescopic cylinder 12 and fixedly connected to the bottom end of the fixed plate 7. The connecting assembly is arranged on the inner wall of the telescopic cylinder 12 and fixedly connected to the outer wall of the telescopic rod 13. When the anti-skid plate 8 slides up and down, the telescopic rod 13 can slide up and down on the telescopic cylinder 12, so that the anti-skid plate 8 can always slide up and down along a straight line, thereby improving the stability of the lifting assembly when in use.

[0027] In this embodiment, the connecting assembly includes a connecting groove 14 and a connecting block 15. The connecting groove 14 is provided on the inner wall of the telescopic tube 12. The connecting block 15 can be slidably embedded in the inner cavity of the connecting groove 14 and fixedly connected to the outer wall of the telescopic rod 13. Under the joint action of the connecting block 15 and the connecting groove 14, the telescopic rod 13 can be prevented from escaping from the inner cavity of the telescopic tube 12, thereby improving the stability of the telescopic assembly when in use. The inner cavity of the connecting groove 14 and the outer wall of the connecting block 15 are adapted to each other and are both dovetail-shaped, so that one end of the connecting block 15 can always remain embedded in the inner cavity of the connecting groove 14, thereby improving the stability of the connecting assembly when in use.

[0028] The use method and advantages of the present invention: When in use, the working process is as follows: The device is moved to a suitable position by using the mobile carrier 1, and the knob 11 is rotated to make the knob 11 drive the screw rod 10 to rotate. Under the action of the rotational force of the outer wall thread of the screw rod 10, when the screw rod 10 rotates, the anti-slip plate 8 can slide downward along a straight line under the limiting action of the telescopic cylinder 12 and the telescopic rod 13, so that the bottom end of the anti-slip plate 8 contacts the ground, thereby increasing the friction between the device and the ground to prevent the device from moving when in use, and starting the first motor 2 to drive the electric push rod 3, the bracket 4, and the support The rod 21, the frame 5 and the fixed box 6 rotate to adjust the angle. The height of the fixed box 6 can be adjusted by the electric push rod 3. The second motor 16 is started to drive the second motor 16 to rotate the lead screw 17. Under the action of the rotation force of the outer wall thread of the lead screw 17, when the lead screw 17 rotates, the slider 19 can drive the connecting plate 20, the support rod 21, the frame 5 and the fixed box 6 to slide forward and backward under the limiting action of the guide rod 18, and the front and rear position of the fixed box 6 can be adjusted. Under the action of the first motor 2, the electric push rod 3 and the adjustment component , the positions of the two fixed boxes 6 can be adjusted to be located on both sides of the fixed hook bolt respectively. At this time, the third motor 24 is started, so that the third motor 24 drives the screw rod 25 to rotate, and then the threads on the left and right sides of the outer wall of the screw rod 25 generate relative thread rotation force, so that the two slide plates 26 slide toward the middle of the screw rod 25 at the same time under the limiting action of the limiting groove 27 and the limiting block 28, so that the two connecting rods 29 respectively drive the two fixed boxes 6 to slide toward the bolt in the middle thereof, so that the sleeve 31 contacts the hook bolt. At this time, the protruding position on the bolt can squeeze the sleeve 31, so that the spring 32 inside the sleeve 31 is squeezed to produce corresponding elastic deformation, and then generate corresponding elastic force. Under the elastic force of the spring 32, the sleeve 31 can be in close contact with the outer wall of the pin, and the sleeves 31 in other different parts all produce corresponding positions, so as to clamp the pins of different shapes and sizes, thereby solving the problem that the automatic unhooking and re-hooking robot of the tipping machine in the prior art has a fixed shape of the clamping claws during actual use, cannot stably clamp the hook pins of different shapes, and has great limitations when used.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A car tipping machine automatic hook unhooking and hook rehooking robot, comprising a mobile carrier (1), characterized in that: The top of the mobile carrier (1) is provided with a first motor (2), the output end of the first motor (2) is provided with an electric push rod (3), the output end of the electric push rod (3) is provided with a bracket (4), the inner cavity of the bracket (4) is provided with an adjustment component, the top of the adjustment component is provided with a connecting plate (20), the front end of the connecting plate (20) is provided with a support rod (21), the support rod (21) is provided with a reinforcing rib (22), the reinforcing rib (22) is fixedly connected to the connecting plate (20), the front end of the support rod (21) is provided with a frame (5), the inner cavity of the frame (5) is provided with A sliding assembly is provided, wherein two fixed boxes (6) are provided on the sliding assembly, the inner cavity of each of the fixed boxes (6) is provided with a plurality of fixed rods (30), the outer portion of each of the fixed rods (30) is slidably sleeved with a sleeve (31), one end of the fixed rod (30) is fixedly connected to a spring (32), the other end of the spring (32) is fixedly connected to one end of the inner cavity of the sleeve (31), the outer wall of the mobile carrier (1) is provided with fixed plates (7) on both sides, each of the fixed plates (7) is provided with a lifting assembly, and the bottom end of each of the lifting assemblies is provided with an anti-slip plate (8).

2. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 1, characterized in that: The mobile carrier (1) is a crawler-type mobile vehicle.

3. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 1, characterized in that: The sliding assembly comprises a second motor (16), a lead screw (17), a guide rod (18) and a slider (19); the second motor (16) is arranged at the rear end of the bracket (4); the output end of the second motor (16) extends to the inner cavity of the second motor (16); one end of the lead screw (17) is rotatably connected to the front side of the inner cavity of the bracket (4) through a bearing; the other end of the lead screw (17) is fixedly connected to the output end of the second motor (16); the guide rod (18) is arranged in the inner cavity of the bracket (4); the slider (19) is screwed to the outer wall of the lead screw (17) and slidably sleeved on the outer wall of the guide rod (18); the top end of the slider (19) is fixedly connected to the bottom end of the connecting plate (20).

4. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 3, characterized in that: One end of the guide rod (18) extends to the front end of the bracket (4), and a limit rod (23) is slidably inserted into the inner cavity of the guide rod (18), and the limit rod (23) is fixedly connected to the rear side of the frame (5).

5. The automatic hook-removing and hook-re-removing robot for a car tipping machine according to claim 1, characterized in that: The sliding assembly comprises a third motor (24), a screw rod (25), a slide plate (26), a limit assembly and a connecting rod (29); the third motor (24) is arranged at the right end of the frame (5); the output end of the third motor (24) extends to the inner cavity of the frame (5); one end of the screw rod (25) is rotatably connected to the left side of the inner cavity of the frame (5) through a bearing; the other end of the screw rod (25) is fixedly connected to the output end of the third motor (24); the two slide plates (26) are respectively screwed to the left and right sides of the outer wall of the screw rod (25); the limit assembly is arranged at the rear side of the inner cavity of the frame (5) and is fixedly connected to the two slide blocks (19); the two connecting rods (29) are respectively arranged at the front ends of the two slide plates (26) and are respectively fixedly connected to the two fixed boxes (6).

6. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 5, characterized in that: The threads on the left and right sides of the outer wall of the screw rod (25) are arranged opposite to each other.

7. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 5, characterized in that: The limiting assembly comprises a limiting groove (27) and a limiting block (28); the limiting groove (27) is arranged at the rear side of the inner cavity of the frame (5); the two limiting blocks (28) are slidably embedded in the inner cavity of the limiting groove (27) and are respectively fixedly connected to the two slide plates (26); the inner cavity of the limiting groove (27) and the outer wall of the limiting block (28) are matched and both are in a "T" shape.

8. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 1, characterized in that: The lifting assembly comprises a fixed cylinder (9), a screw rod (10), a knob (11) and a telescopic assembly, wherein the fixed cylinder (9) is fixedly embedded in the middle of the fixed plate (7), the screw rod (10) is screwed into the inner cavity of the fixed cylinder (9), the knob (11) is fixedly connected to the top end of the screw rod (10), the bottom end of the screw rod (10) is rotatably connected to the top end of the anti-slip plate (8) via a bearing, and the telescopic assembly is arranged between the fixed plate (7) and the anti-slip plate (8).

9. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 8, characterized in that: The telescopic assembly comprises a telescopic cylinder (12), a telescopic rod (13) and a connecting assembly. The telescopic cylinder (12) is arranged at the top end of the anti-slip plate (8). The telescopic rod (13) is slidably inserted into the inner cavity of the telescopic cylinder (12) and is fixedly connected to the bottom end of the fixed plate (7). The connecting assembly is arranged on the inner wall of the telescopic cylinder (12) and is fixedly connected to the outer wall of the telescopic rod (13).

10. The automatic hook-removing and hook-re-removing robot for a car tipper according to claim 9, characterized in that: The connecting assembly comprises a connecting groove (14) and a connecting block (15); the connecting groove (14) is formed on the inner wall of the telescopic cylinder (12); the connecting block (15) is slidably embedded in the inner cavity of the connecting groove (14) and fixedly connected to the outer wall of the telescopic rod (13); the inner cavity of the connecting groove (14) and the outer wall of the connecting block (15) are adapted to fit each other and are both dovetail-shaped.

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