AGV automatic hooking device

Abstract

The invention discloses an AGV automatic hooking device which comprises an AGV tractor, a rotating mechanism, a height lifting mechanism and an automatic hooking mechanism. The rotating mechanism is fixed to the top of the AGV tractor; the automatic hooking mechanism comprises a shell, a rotating hook rotationally arranged at the head end of the shell, a locking assembly used for limiting rotation of the rotating hook and an electric control push rod used for pushing the locking assembly to release the rotating hook. The angle of the self-locking hook can be adjusted through the rotating mechanism, and the height between the automatic hooking mechanism and the ground can be adjusted through the height lifting mechanism, so that the rotating hook of the automatic hooking mechanism can lock an external pin rod, and the traction effect is achieved; the device is simple in structure, an external pin rod can be rapidly fixed and rapidly released, and the traction butt joint effect is effectively improved.

Description

Technical Field

[0001] The invention relates to an automatic hooking device, and more specifically to an AGV automatic hooking device. Background Art

[0002] The Chinese patent discloses a smooth-running AGV automatic hook, including an automatic hook housing, a reset device installed on the bottom plate inside the automatic hook housing, the upper end of the reset device is fixedly connected to the limit plate, the two sliding arms on the right side of the limit plate are respectively inserted into the two slide grooves on the right end face of the automatic hook housing, the upper limit switch and the lower limit switch are sequentially installed on the right end face of the automatic hook housing from top to bottom, the upper surface inside the automatic hook housing is fixedly connected to the graphite copper sleeve, the guide column passes through the circular hole on the upper surface of the automatic hook housing and the graphite copper sleeve and is fixedly connected to the limit plate, and the guide column and the graphite copper sleeve are tightly matched. The upper limit switch and the lower limit switch can be used to limit the position during operation to ensure the safety of the device operation. It mainly realizes traction by matching the guide sleeve with the guide column, and the matching accuracy requirements of the guide sleeve and the guide column are too high, and the docking time can be improved. Moreover, due to different height requirements for different material vehicles, the height requirements for the hook are also different, and the technology disclosed in the above Chinese patent does not have the function of adjusting the height and cannot meet the requirements of automation. Summary of the invention

[0003] The main purpose of the present invention is to solve the above-mentioned problems and provide an AGV automatic hook device.

[0004] The technical solution adopted by the present invention is: an AGV automatic hook device, including an AGV tractor, a rotating mechanism, a height-lifting mechanism and an automatic hook mechanism, wherein the rotating mechanism is fixed on the top of the AGV tractor, the height-lifting mechanism is installed on the rotating mechanism, so that the rotating mechanism drives the height-lifting mechanism to rotate relative to the AGV tractor, the automatic hook mechanism is fixed on the height-lifting mechanism, so that the height-lifting mechanism can raise the height of the automatic hook mechanism, and the automatic hook mechanism includes a shell, a swivel hook rotatably arranged at the head end of the shell, a locking assembly for limiting the rotation of the swivel hook, and an electrically controlled push rod for pushing the locking assembly to release the swivel hook.

[0005] The swivel hook is provided with a pin rod hole and a locking hole for an external pin rod to extend into. The locking assembly includes a locking pin which is movably arranged inside the shell and whose head end can extend into the locking hole, a spring connected between the locking pin and the inner wall of the shell, and a baffle connected to the locking pin. The electric control push rod is fixed inside the shell, and the telescopic rod of the electric control push rod faces the baffle.

[0006] The rotating mechanism comprises a fixed box, an outer gear disc rotatably mounted on the top of the fixed box, a driving tooth meshed with the outer gear disc, and a rotating motor fixed inside the fixed box and having a motor shaft drivingly connected to the driving tooth.

[0007] The outer gear disc can be rotatably mounted on the top of the fixed box through a rotating assembly. The rotating assembly includes a connecting shaft, a bearing and a bearing seat. The bearing is fixed inside the fixed box through the bearing seat. The connecting shaft is fixed to the bearing and the outer gear disc respectively.

[0008] The height lifting mechanism includes a rotating box, a seesaw, a fixed plate and a pressing assembly, the rotating box is fixed on the outer gear disk, the middle part of the seesaw is rotatably mounted inside the rotating box through a rotating shaft, the seesaw has a pressing end and a fixed end, the fixed end of the seesaw extends out of the rotating box and is fixed to the fixed plate, the pressing assembly is arranged inside the rotating box, the pressing assembly includes a force-applying member for pushing the seesaw to deflect on the rotating shaft and a deflection motor transmission-connected to the force-applying member, the force-applying member includes a rotating wheel fixed to the motor shaft of the deflection motor and a pressing wheel mounted on the outer periphery of the axis of the rotating wheel for contacting the pressing end.

[0009] A torsion spring is arranged between the rotating hook and the housing.

[0010] Beneficial effects of the present invention: The present invention can adjust the angle of the self-locking hook through the rotating mechanism, and can adjust the height of the automatic hook mechanism and the ground through the height lifting mechanism, so that the rotating hook of the automatic hook mechanism of the present invention can lock the external pin rod to achieve the traction effect. The present invention has a simple structure and can quickly fix the external pin rod and quickly release it, effectively improving the traction docking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional schematic diagram of the present invention.

[0012] Figure 2 for Figure 1 Schematic diagram of the structure after removing the fixed box, rotating box and AGV tractor.

[0013] Figure 3 It is a structural schematic diagram of the automatic hook mechanism of the present invention. DETAILED DESCRIPTION

[0014] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present invention are provided in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0015] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0017] Please refer to Figures 1 to 3 , an AGV automatic hooking device provided by the present invention includes an AGV tractor 10, a rotating mechanism 20, a height lifting mechanism 30 and an automatic hooking mechanism 40, wherein the rotating mechanism 20 is fixed on the top of the AGV tractor 10, and the height lifting mechanism 30 is installed on the rotating mechanism 20, so that the rotating mechanism 20 drives the height lifting mechanism 30 to rotate relative to the AGV tractor 10, and the automatic hooking mechanism 40 is fixed on the height lifting mechanism 30, so that the height lifting mechanism 30 can increase the height of the automatic hooking mechanism.

[0018] The rotating mechanism 20 includes a fixed box 21, an outer toothed disc 22 rotatably mounted on the top of the fixed box 21, a driving tooth 23 meshing with the outer toothed disc 22, and a rotating motor 24 fixed inside the fixed box 21 and having a motor shaft transmission connected to the driving tooth 23. In this embodiment, the outer toothed disc 22 is rotatably mounted on the top of the fixed box 20 via a rotating assembly 25. The rotating assembly 25 includes a connecting shaft 251, a bearing 252 and a bearing seat 253. The bearing 252 is fixed to the inside of the fixed box 20 via the bearing seat 253. The connecting shaft 251 is respectively fixed to the bearing 252 and the outer toothed disc 22 so that the outer toothed disc 22 can rotate on the top of the fixed box 10.

[0019] In the embodiment, the height lifting mechanism 30 includes a rotating box 31, a seesaw 32, a fixed plate 33 and a pressing assembly 34, the rotating box 31 is fixed on the outer toothed disc 22, the middle part of the seesaw 32 is rotatably mounted inside the rotating box 31 through a rotating shaft 35, the seesaw 32 has a pressing end 321 and a fixed end 322, the fixed end of the seesaw 32 extends out of the rotating box 31 and is fixed to the fixed plate 33, the pressing assembly 34 is arranged inside the rotating box 31, and the pressing assembly 34 includes a The shaft 35 has a force-applying member 341 for deflecting the yaw, and a deflecting motor 342 that is transmission-connected to the force-applying member 341. The force-applying member 341 includes a rotating wheel 341A fixed to the motor shaft of the deflecting motor 342, and a lower pressure wheel 341B installed on the outer periphery of the axis of the rotating wheel 341 for contacting the lower pressure end 321. The rotating wheel 341A is driven to rotate by the deflecting motor 342, and then the end of the seesaw 342 located inside the rotating box 31 is pressed down by the lower pressure wheel 341B, so as to achieve the effect of increasing the height of the fixed end 322 of the seesaw 32 by deflecting the yaw.

[0020] In this embodiment, the automatic hook mechanism 40 includes a shell 41, a swivel hook 42 rotatably arranged at the head end of the shell 41, a locking assembly 43 for limiting the rotation of the swivel hook 42, and an electrically controlled push rod 44 for pushing the locking assembly 43 to release the swivel hook 42. The swivel hook 42 is provided with a pin hole 421 and a locking hole 422 for an external pin rod to extend into. The locking assembly 43 includes a locking pin 431 movably arranged inside the shell 41 and whose head end can extend into the locking hole 422, a spring 432 connected between the locking pin 431 and the inner wall of the shell 41, and a baffle 433 connected to the locking pin 431. The electrically controlled push rod 44 is fixed inside the shell 41, and the telescopic rod of the electrically controlled push rod 44 faces the baffle 433, so as to achieve the effect of pushing the baffle 433 to move through the electrically controlled push rod 33.

[0021] When the external pin moves into the pin hole of the swivel hook, it will drive the swivel hook to rotate. When it rotates to a certain angle, the spring 432 pushes the head end of the locking pin 431 into the locking hole 422 to achieve the effect of locking the swivel hook by the locking pin. Pulling the spring will pull the internal locking bar to lock the swivel hook and fix the swivel hook, thereby locking the external pin.

[0022] In order to ensure the effect of releasing and resetting the swivel hook in the locking assembly, a torsion spring A is provided between the swivel hook 43 and the housing 41 so that the swivel hook can be reset after the locking pin is disengaged from the locking hole.

[0023] In this embodiment, the present invention can adjust the angle of the self-locking hook through the rotating mechanism, and can adjust the height of the automatic hook mechanism and the ground through the height lifting mechanism, so that the rotating hook of the automatic hook mechanism of the present invention can lock the external pin rod to achieve the traction effect. The present invention has a simple structure and can quickly fix the external pin rod and quickly release it, effectively improving the traction docking effect.

[0024] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An AGV automatic hook device, characterized in that: It includes an AGV tractor, a rotating mechanism, a height-lifting mechanism and an automatic hooking mechanism. The rotating mechanism is fixed on the top of the AGV tractor. The height-lifting mechanism is installed on the rotating mechanism so that the rotating mechanism drives the height-lifting mechanism to rotate relative to the AGV tractor. The automatic hooking mechanism is fixed on the height-lifting mechanism so that the height-lifting mechanism can increase the height of the automatic hooking mechanism. The automatic hooking mechanism includes a shell, a swivel hook rotatably arranged at the head end of the shell, a locking component for limiting the rotation of the swivel hook, and an electrically controlled push rod for pushing the locking component to release the swivel hook.

2. The AGV automatic hook device according to claim 1, characterized in that: The swivel hook is provided with a pin rod hole and a locking hole for an external pin rod to extend into. The locking assembly includes a locking pin which is movably arranged inside the shell and whose head end can extend into the locking hole, a spring connected between the locking pin and the inner wall of the shell, and a baffle connected to the locking pin. The electric control push rod is fixed inside the shell, and the telescopic rod of the electric control push rod faces the baffle.

3. The AGV automatic hook device according to claim 1, characterized in that: The rotating mechanism comprises a fixed box, an outer gear disc rotatably mounted on the top of the fixed box, a driving tooth meshed with the outer gear disc, and a rotating motor fixed inside the fixed box and having a motor shaft drivingly connected to the driving tooth.

4. The AGV automatic hook device according to claim 3, characterized in that: The outer gear disc can be rotatably mounted on the top of the fixed box through a rotating assembly. The rotating assembly includes a connecting shaft, a bearing and a bearing seat. The bearing is fixed inside the fixed box through the bearing seat. The connecting shaft is fixed to the bearing and the outer gear disc respectively.

5. The AGV automatic hook device according to claim 4, characterized in that: The height lifting mechanism includes a rotating box, a seesaw, a fixed plate and a pressing assembly, the rotating box is fixed on the outer gear disk, the middle part of the seesaw is rotatably mounted inside the rotating box through a rotating shaft, the seesaw has a pressing end and a fixed end, the fixed end of the seesaw extends out of the rotating box and is fixed to the fixed plate, the pressing assembly is arranged inside the rotating box, the pressing assembly includes a force-applying member for pushing the seesaw to deflect on the rotating shaft and a deflection motor transmission-connected to the force-applying member, the force-applying member includes a rotating wheel fixed to the motor shaft of the deflection motor and a pressing wheel mounted on the outer periphery of the axis of the rotating wheel for contacting the pressing end.

6. The AGV automatic hook device according to claim 5, characterized in that: A torsion spring is arranged between the rotating hook and the housing.

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