AGV chassis

Abstract

The utility model discloses an AGV (automatic guided vehicle) chassis, which relates to the technical field of transportation equipment and comprises a chassis main body, driving wheel main bodies movably mounted on two sides of the chassis main body and a lifting hole formed in the upper surface of the chassis main body, and damping mechanisms are arranged on two sides of each driving wheel main body. And the top surface of the lifting hole is fixedly connected with a lifting mechanism. The hydraulic cylinder is installed on the surface of the top of the limiting base so that the lifting sliding plate can be pushed conveniently, the sliding block can be driven to slide on the surface of the sliding rail, the connecting arm is fixedly connected to one side of the lifting sliding plate so that the lifting sliding plate can be driven to ascend and descend, and meanwhile one end of the connecting arm is fixedly connected with the connecting plate. And the connecting plate is fixedly installed on the upper surface of the damping plate, then the driven wheel is driven to be lifted and stored, through storage, when the driven wheel is not used, the service life of the driven wheel is prolonged, and therefore the use efficiency of the chassis body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation equipment, in particular to an AGV trolley chassis. Background Art

[0002] AGV is an unmanned automatic transport tool with handling function. It is a battery-powered unmanned automatic transport vehicle equipped with a non-contact guiding device and an independent addressing system. It can automatically drive and stop along the specified route and position according to the pre-set program and the position information given by the on-board sensor, thereby completing a series of handling operations. AGV has been widely used in smart factories, flexible manufacturing systems, logistics production, etc.

[0003] In the existing technology, a chassis structure of an AGV trolley with a publication number of CN215155148U is proposed, including a chassis and a walking mechanism and a first tensioning mechanism arranged on both sides of the chassis. The walking mechanism includes a driving wheel, a driven wheel and a first driving mechanism that drives the driving wheel and the driven wheel to rotate simultaneously arranged on the chassis, and the first driving mechanism includes a first synchronous belt; the first tensioning mechanism includes a first tensioning wheel and a second driving mechanism, and the second driving mechanism drives the first tensioning wheel to abut against the first synchronous belt. The chassis structure of the utility model can drive the first tensioning wheel to always abut against the first synchronous belt under the action of the second driving mechanism, so that the tightness of the first synchronous belt can be continuously adjusted during the travel of the AGV trolley, thereby playing a role of buffering and shock absorption.

[0004] In order to solve the problem that most AGVs are not equipped with buffer shock-absorbing devices, when encountering uneven road conditions, the AGVs will experience bumps, slips, or even overturns during travel, the existing technology uses a method of setting a number of buffers between the frame and the chassis to deal with the problem. However, the shock-absorbing mechanism is too complicated. When sufficient traction is required, the weight of the AGV can only be increased, and the production cost will also increase, which will lead to a problem of reduced utilization efficiency of the AGV. Utility Model Content

[0005] The purpose of the utility model is to provide an AGV trolley chassis to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] An AGV trolley chassis comprises a chassis body.

[0008] A driving wheel body is movably mounted on both sides of the chassis body.

[0009] and a lifting hole is provided on the upper surface of the chassis body, shock absorbing mechanisms are arranged on both sides of the driving wheel body, the top surface of the lifting hole is fixedly connected with the lifting mechanism, the shock absorbing mechanism comprises a shock absorbing unit fixedly installed on the upper surface of the chassis body, a heat dissipation unit is arranged on one side surface of the shock absorbing unit, and the lifting mechanism comprises a driving unit fixedly installed on the upper surface of the chassis body, and one end of the driving unit is fixedly connected with the lifting unit.

[0010] A further improvement of the technical solution of the utility model is that a driving box is provided on the back of the driving wheel body, the driving box is fixedly mounted on the upper surface of the chassis body, and a driving motor is fixedly mounted on the back surface of the driving box, and the shock absorbing mechanism is located on both sides of the driving box.

[0011] A further improvement of the technical solution of the utility model is that a driven wheel is arranged inside the lifting hole, connecting components are movably connected on both sides of the driven wheel, a buffer component is fixedly installed on the top surface of the connecting component, a shock absorbing component is fixedly installed on the upper surface of the buffer component, and a damping plate is fixedly installed on the top surface of the shock absorbing component.

[0012] A further improvement of the technical solution of the utility model is that the shock absorbing unit includes a shock absorbing base fixedly installed on the bottom of the driving box, a supporting assembly is fixedly installed on the upper surface of the shock absorbing base, a limiting plate is fixedly installed on the upper surface of the supporting assembly, and a diagonal bracing triangle plate and a spring damping shock absorber are fixedly installed on the upper surface of the limiting plate.

[0013] A further improvement of the technical solution of the utility model is that the heat dissipation unit includes a heat dissipation hole opened on the top surface of the driving box body, a mounting seat is fixedly installed on the upper surface of the heat dissipation hole, and a heat dissipation fan is fixedly installed inside the mounting seat.

[0014] A further improvement of the technical solution of the utility model is that the driving unit includes a limit seat fixedly mounted on the upper surface of the chassis body, a slide rail is fixedly mounted on the inner surface of the limit seat, a slider is slidably mounted on the surface of the slide rail, and a hydraulic cylinder is fixedly mounted on the top surface of the limit seat.

[0015] A further improvement of the technical solution of the utility model is that the lifting unit includes a lifting slide fixedly installed at the output end of the hydraulic cylinder, both ends of the lifting slide are fixedly connected to the outer surface of the slider, one side surface of the lifting slide is fixedly connected to a connecting arm, one end of the connecting arm is fixedly installed with a connecting plate, and the connecting plate is fixedly installed on the upper surface of the damping plate.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] The utility model provides an AGV trolley chassis, which is provided with a shock-absorbing base so as to absorb and digest the vibration generated by a driving box body, and prevent the transmission of force from bringing certain influences to the chassis body, and then through the support of the support assembly, and the cooperation of the limit plate and the diagonal support triangle plate, the triangle has a stable characteristic, so it provides a certain support effect for the driving box body, thereby improving the stability of the driving box body, and at the same time, using a spring damping shock absorber is beneficial to further improve the shock absorption effect, and then, through the airflow generated by the cooling fan installed inside the mounting seat, the heat generated inside the driving box body is absorbed, so as to improve the heat dissipation effect of the driving box body, thereby improving the service life and stability of the driving wheel body, and reducing the cost, thereby improving the practicality of the chassis body.

[0018] The utility model provides an AGV trolley chassis, which is convenient for pushing a lifting slide plate and driving the slider to slide on the surface of a slide rail through a hydraulic cylinder installed on the top surface of a limit seat, and because a connecting arm is fixedly connected to one side of the lifting slide plate, it drives the lifting slide plate to be lifted and lowered, and at the same time, one end of the connecting arm is fixedly connected to a connecting plate, and the connecting plate is fixedly installed on the upper surface of a damping plate, thereby driving a driven wheel to be lifted and lowered for storage, and through storage, when the driven wheel is not in use, its service life is improved, thereby improving the use efficiency of the chassis body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of the structure driven wheel of the utility model;

[0021] Figure 3 It is an enlarged schematic diagram of structure A of the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of structure B of the present utility model.

[0023] In the figure: 1. chassis body; 2. driving wheel body; 21. driving box; 22. driving motor; 3. lifting hole; 31. driven wheel; 32. connecting assembly; 33. buffer assembly; 34. shock absorbing assembly; 35. damping plate; 4. shock absorbing mechanism; 41. shock absorbing base; 42. supporting assembly; 43. limit plate; 44. diagonal brace triangle plate; 45. spring damping shock absorber; 46. mounting seat; 47. cooling fan; 5. lifting mechanism; 51. limit seat; 52. slide rail; 53. slider; 54. hydraulic cylinder; 55. lifting slide plate; 56. connecting arm; 57. connecting plate. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments: Example

[0025] like Figure 1-4 As shown, the utility model provides an AGV trolley chassis, including a chassis body 1, a driving wheel body 2 movably mounted on both sides of the chassis body 1, and a lifting hole 3 opened on the upper surface of the chassis body 1, shock absorbing mechanisms 4 are arranged on both sides of the driving wheel body 2, and a lifting mechanism 5 is fixedly connected to the top surface of the lifting hole 3, the shock absorbing mechanism 4 includes a shock absorbing unit fixedly mounted on the upper surface of the chassis body 1, a heat dissipation unit is arranged on one side surface of the shock absorbing unit, the lifting mechanism 5 includes a driving unit fixedly mounted on the upper surface of the chassis body 1, one end of the driving unit is fixedly connected to the lifting unit, a driving box 21 is arranged on the back of the driving wheel body 2, the driving box 21 is fixedly mounted on the upper surface of the chassis body 1, and a back surface of the driving box 21 is fixedly mounted The driving motor 22 and the shock absorbing mechanism 4 are located on both sides of the driving box 21, and a driven wheel 31 is arranged inside the lifting hole 3. The driven wheel 31 is movably connected with a connecting assembly 32 on both sides, and a buffer assembly 33 is fixedly installed on the top surface of the connecting assembly 32. A shock absorbing assembly 34 is fixedly installed on the upper surface of the buffer assembly 33, and a damping plate 35 is fixedly installed on the top surface of the shock absorbing assembly 34. The driving wheel body 2 is moved by the cooperation of the driving motor 22 and the driving motor 22, and the movement of the trolley is completed by the cooperation of the driven wheel 31 and the driving wheel body 2. When the driven wheel 31 moves, the bumpy vibration generated is buffered and absorbed by the cooperation of the buffer assembly 33 and the shock absorbing assembly 34, thereby improving the stability during movement. Example

[0026] like Figure 1-4As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the shock absorbing unit includes a shock absorbing base 41 fixedly installed at the bottom of the driving box body 21, a support assembly 42 is fixedly installed on the upper surface of the shock absorbing base 41, a limit plate 43 is fixedly installed on the upper surface of the support assembly 42, a diagonal support triangle plate 44 and a spring damping shock absorber 45 are fixedly installed on the upper surface of the limit plate 43, and a heat dissipation unit includes a heat dissipation hole opened on the top surface of the driving box body 21, a mounting seat 46 is fixedly installed on the upper surface of the heat dissipation hole, and a heat dissipation fan 47 is fixedly installed inside the mounting seat 46. By setting the shock absorbing base 41, the vibration generated by the driving box body 21 can be easily dissipated. The force is absorbed and digested to prevent the chassis body 1 from being affected by the transmission of force. The triangle has a stable characteristic through the support of the support assembly 42 and the cooperation of the limit plate 43 and the diagonal support triangle plate 44. Therefore, a certain support effect is provided to the drive box 21, thereby improving the stability of the drive box 21. At the same time, the spring damping shock absorber 45 is used to further improve the shock absorption effect. Then, the heat generated inside the drive box 21 is absorbed by the airflow generated by the cooling fan 47 installed inside the mounting seat 46, so as to improve the heat dissipation effect of the drive box 21, thereby improving the service life and stability of the drive wheel body 2. Example

[0027] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the driving unit includes a limit seat 51 fixedly installed on the upper surface of the chassis body 1, a slide rail 52 is fixedly installed on the inner surface of the limit seat 51, a slider 53 is slidably installed on the surface of the slider 52, and a hydraulic cylinder 54 is fixedly installed on the top surface of the limit seat 51, and the lifting unit includes a lifting slide 55 fixedly installed on the output end of the hydraulic cylinder 54, both ends of the lifting slide 55 are fixedly connected to the outer surface of the slider 53, and a connecting arm 56 is fixedly connected to one side surface of the lifting slide 55, and one end of the connecting arm 56 is fixedly installed A connecting plate 57 is installed, and the connecting plate 57 is fixedly installed on the upper surface of the damping plate 35. Through the hydraulic cylinder 54 installed on the top surface of the limit seat 51, the lifting slide plate 55 is pushed, and the slider 53 is driven to slide on the surface of the slide rail 52. Since the connecting arm 56 is fixedly connected to one side of the lifting slide plate 55, it drives it to rise and fall. At the same time, one end of the connecting arm 56 is fixedly connected to the connecting plate 57, and the connecting plate 57 is fixedly installed on the upper surface of the damping plate 35, thereby driving the driven wheel 31 to be lifted and stored. By storing, when the driven wheel 31 is not in use, its service life is improved.

[0028] The following is a detailed description of the working principle of the AGV chassis.

[0029] like Figure 1-4As shown, first, the driving motor 22 and the driving motor 22 cooperate to make the driving wheel body 2 move, and at the same time, the driven wheel 31 and the driving wheel body 2 cooperate to complete the movement of the trolley. When the driven wheel 31 moves, the bumps and vibrations generated are buffered and digested by the cooperation of the buffer assembly 33 and the shock absorbing assembly 34. Then, the shock absorbing base 41 is provided to absorb and digest the vibrations generated by the driving box 21 to prevent the transmission of force from having a certain impact on the chassis body 1. Then, through the support of the support assembly 42, and the cooperation of the limit plate 43 and the diagonal support triangle plate 44, the triangle has a stable characteristic, so it provides a certain support effect for the driving box 21, thereby improving the stability of the driving box 21. At the same time, the use of the spring damping shock absorber 45 is conducive to further improving the shock absorption effect. Then, the heat generated inside the driving box 21 is absorbed by the airflow generated by the cooling fan 47 installed inside the mounting seat 46, so as to improve the heat dissipation effect of the driving box 21, thereby improving the service life and stability of the driving wheel body 2.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An AGV chassis, comprising a chassis body (1); A driving wheel body (2) movably mounted on both sides of the chassis body (1); and a lifting hole (3) provided on the upper surface of the chassis body (1), characterized in that: Shock absorbing mechanisms (4) are provided on both sides of the driving wheel body (2); a lifting mechanism (5) is fixedly connected to the top surface of the lifting hole (3); the shock absorbing mechanism (4) comprises a shock absorbing unit fixedly mounted on the upper surface of the chassis body (1); a heat dissipation unit is provided on one side surface of the shock absorbing unit; and the lifting mechanism (5) comprises a driving unit fixedly mounted on the upper surface of the chassis body (1); one end of the driving unit is fixedly connected to the lifting unit.

2. The AGV chassis according to claim 1, characterized in that: A drive box (21) is provided on the back of the drive wheel body (2); the drive box (21) is fixedly mounted on the upper surface of the chassis body (1); a drive motor (22) is fixedly mounted on the back surface of the drive box (21); and the shock absorbing mechanism (4) is located on both sides of the drive box (21).

3. The AGV chassis according to claim 1, characterized in that: A driven wheel (31) is arranged inside the lifting hole (3), connecting components (32) are movably connected to both sides of the driven wheel (31), a buffer component (33) is fixedly mounted on the top surface of the connecting component (32), a shock absorbing component (34) is fixedly mounted on the upper surface of the buffer component (33), and a damping plate (35) is fixedly mounted on the top surface of the shock absorbing component (34).

4. The AGV chassis according to claim 1, characterized in that: The shock absorbing unit comprises a shock absorbing base (41) fixedly mounted on the bottom of the driving housing (21); a support assembly (42) is fixedly mounted on the upper surface of the shock absorbing base (41); a limit plate (43) is fixedly mounted on the upper surface of the support assembly (42); and a diagonal support triangle plate (44) and a spring damping shock absorber (45) are fixedly mounted on the upper surface of the limit plate (43).

5. The AGV chassis according to claim 4 is characterized in that: The heat dissipation unit comprises a heat dissipation hole opened on the top surface of the drive housing (21), a mounting seat (46) is fixedly mounted on the upper surface of the heat dissipation hole, and a heat dissipation fan (47) is fixedly mounted inside the mounting seat (46).

6. The AGV chassis according to claim 1, characterized in that: The drive unit comprises a limit seat (51) fixedly mounted on the upper surface of the chassis body (1); a slide rail (52) is fixedly mounted on the inner surface of the limit seat (51); a sliding block (53) is slidably mounted on the surface of the slide rail (52); and a hydraulic cylinder (54) is fixedly mounted on the top surface of the limit seat (51).

7. The AGV chassis according to claim 6, characterized in that: The lifting unit comprises a lifting slide plate (55) fixedly mounted on the output end of the hydraulic cylinder (54); both ends of the lifting slide plate (55) are fixedly connected to the outer surface of the slider (53); a connecting arm (56) is fixedly connected to one side surface of the lifting slide plate (55); a connecting plate (57) is fixedly mounted on one end of the connecting arm (56); and the connecting plate (57) is fixedly mounted on the upper surface of the damping plate (35).

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