CN214732133U

CN214732133U - Novel AGV dolly

Info

Publication number: CN214732133U
Application number: CN202121103411.5U
Authority: CN
Inventors: 李欣雨; 滕云; 马俊杰; 赵军; 魏莎
Original assignee: Henan Dafang Heavy Machinery Co Ltd
Current assignee: Henan Dafang Heavy Machinery Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-16
Anticipated expiration: 2031-05-21

Abstract

A novel AGV comprises a frame and a suspension plate, wherein a driving device is fixed on the suspension plate, and wheels are mounted at the output end of the driving device; an adjusting device is arranged between the frame and the suspension plate, the adjusting device comprises an oil-gas spring, a sliding block and a linear sliding rail, the linear sliding rail is fixed on the frame, the sliding block is fixed on the suspension plate and is in sliding connection with the linear sliding rail, the upper end of the oil-gas spring is hinged with the frame, and the lower end of the oil-gas spring is hinged with the suspension plate. When the AGV trolley runs on uneven ground, the hydro-pneumatic spring extends or contracts according to the wheel pressure of the corresponding wheel, and the hydro-pneumatic spring drives the slider on the suspension plate to move up and down along the linear slide rail, so that the corresponding wheel is contacted with the ground, the suspension phenomenon of the wheel is avoided, and the AGV trolley is ensured to normally run; the driving device is arranged between the two adjusting devices, so that the adjusting devices can adjust the heights of the suspension plate and the wheels, and the wheels can better adapt to the unevenness of the ground.

Description

Novel AGV dolly

Technical Field

The utility model relates to a technical field of transport vechicle, concretely relates to novel AGV dolly.

Background

An AGV is a transport vehicle equipped with an electromagnetic or optical automatic navigation device, capable of traveling along a predetermined navigation route, and having safety protection and various transfer functions. The industrial application does not need a driver's transport vehicle, and a rechargeable storage battery is used as a power source of the industrial application. Generally, the traveling path and behavior can be controlled by a computer, or the traveling path can be established by using an electromagnetic rail, which is adhered to the floor, and the automated guided vehicle moves and operates according to the information brought by the electromagnetic rail. The chassis of traditional AGV dolly especially miniature AGV dolly often does not set up suspension because space size restriction, and the phenomenon is unsettled easily appears in the wheel when the ground operation of unevenness to the AGV dolly, leads to the AGV dolly can not normally travel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a novel AGV dolly solves above-mentioned traditional AGV dolly and does not set up suspension, and when the ground operation of AGV dolly at the unevenness, unsettled phenomenon easily appears in the wheel, leads to the technical problem that the AGV dolly can not normally travel.

The utility model discloses the technical scheme who takes does:

a novel AGV comprises a frame and a suspension plate, wherein a driving device is fixed on the suspension plate, and wheels are mounted at the output end of the driving device; an adjusting device is arranged between the frame and the suspension plate, the adjusting device comprises an oil-gas spring, a sliding block and a linear sliding rail, the linear sliding rail is fixed on the frame, the sliding block is fixed on the suspension plate and is in sliding connection with the linear sliding rail, the upper end of the oil-gas spring is hinged with the frame, and the lower end of the oil-gas spring is hinged with the suspension plate.

The number of the adjusting devices is two, and the driving device is arranged between the two adjusting devices.

The two adjusting devices are symmetrically arranged about the center line of the output end of the driving device.

Oil gas spring and the equal vertical setting of sharp slide rail of straight line form, straight line form slide rail is the straight line form slide rail of straight line type.

The driving device comprises a servo motor, a speed reducer is installed at the output end of the servo motor, and wheels are installed at the output end of the speed reducer.

A flange plate is fixed on the speed reducer and fixedly connected with the suspension plate through bolts; the output end of the speed reducer is arranged on the outer side of the suspension plate.

The lower parts of the two sides of the suspension plate are respectively fixed with two connecting plates which are horizontally arranged, the suspension plate is arranged between the two connecting plates, and the lower end of the hydro-pneumatic spring is hinged with the connecting plates.

The upper end of the hydro-pneumatic spring is provided with an upper hinge shaft, and the upper end of the hydro-pneumatic spring is hinged with the frame through the upper hinge shaft; the lower end of the hydro-pneumatic spring is provided with a lower hinge shaft, and the lower end of the hydro-pneumatic spring is hinged with the connecting plate through the lower hinge shaft.

The wheels are Mecanum wheels.

The sliding block is provided with a sliding groove matched with the linear sliding rail, the sliding block is provided with an oil filling hole, an oil filling dropper is detachably mounted at the oil filling hole, and the oil filling hole is communicated with the sliding groove.

The utility model discloses be equipped with adjusting device between frame and the suspension plate, adjusting device includes oil gas spring, slider and sharp form slide rail, and when the AGV dolly was when uneven ground operation, oil gas spring extended or contracted according to the wheel pressure of corresponding wheel, and the slider on the oil gas spring drive suspension plate reciprocated along sharp form slide rail, realized the height adjustment of suspension plate, made the wheel that corresponds contact with ground, avoided the wheel unsettled phenomenon to appear, guaranteed that the AGV dolly normally traveles; the driving device is arranged between the two adjusting devices, so that the adjusting devices can adjust the heights of the suspension plate and the wheels, and the wheels can better adapt to the unevenness of the ground.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a left side view structure diagram of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention;

fig. 5 is a sectional view taken along line a-a in fig. 4.

Detailed Description

As shown in fig. 1-5, a novel AGV trolley comprises a frame 1 and a suspension plate 2, wherein a driving device is fixed on the suspension plate 2, and wheels 3 are mounted at the output end of the driving device; be equipped with adjusting device between frame 1 and the board 2 that hangs, adjusting device includes oil gas spring 6, slider 8 and sharp slide rail 9 that appears, and sharp slide rail 9 that appears is fixed on frame 1, and slider 8 is fixed on hanging board 2, and slider 8 and the sharp slide rail 9 sliding connection that appears, the upper end and the frame 1 of oil gas spring 6 are articulated, and the lower extreme and the board 2 that hangs of oil gas spring 6 are articulated.

The number of adjusting device is two, and drive arrangement sets up between two adjusting device, and the adjusting device of being convenient for adjusts the height that hangs board 2 and wheel 3, and the unevenness on wheel 3 better adaptation ground.

Hydro-pneumatic spring 6 and the equal vertical setting of sharp slide rail 9, sharp slide rail 9 that appears is the sharp slide rail 9 that appears of linear type.

The driving device comprises a servo motor 10, a speed reducer 12 is installed at the output end of the servo motor 10, and the wheel 3 is installed at the output end of the speed reducer 12.

The speed reducer 12 is fixed with a flange 11, the flange 11 is fixedly connected with the suspension plate 2 through bolts, so that the speed reducer 12 can be conveniently installed, and the servo motor 10 and the speed reducer 12 move along with the movement of the suspension plate 2, so that the height of the wheel 3 can be conveniently adjusted.

The output end of the speed reducer 12 is arranged at the outer side of the suspension plate 2, that is, the wheel 3 is arranged at the outer side of the suspension plate 2, and the outer side of the suspension plate 2 refers to the side of the suspension plate 2 departing from the adjusting device.

The lower parts of the two sides of the suspension plate 2 are respectively fixed with two connecting plates 4 which are horizontally arranged, the suspension plate 2 is arranged between the two connecting plates 4, and the lower end of the hydro-pneumatic spring 6 is hinged with the connecting plates 4.

The upper end of the hydro-pneumatic spring 6 is provided with an upper hinge shaft 7, and the upper end of the hydro-pneumatic spring 6 is hinged with the frame 1 through the upper hinge shaft 7; the lower end of the hydro-pneumatic spring 6 is provided with a lower hinge shaft 5, and the lower end of the hydro-pneumatic spring 6 is hinged with the connecting plate 4 through the lower hinge shaft 5.

The wheels 3 are mecanum wheels.

In this embodiment, the number of the wheels 3 is four, and two wheels 3 are respectively disposed on both sides of the frame.

The sliding block 8 is provided with a sliding groove matched with the linear sliding rail 9, the sliding block 8 is provided with an oil filling hole 13, an oil filling dropper 14 is detachably mounted at the oil filling hole 13, the oil filling hole 13 is communicated with the sliding groove, lubricating oil can be conveniently added to the sliding block 8 and the linear sliding rail 9, and the sliding block 8 can smoothly run along the linear sliding rail 9.

The utility model discloses a wheel 3 of AGV dolly independently hangs, the AGV dolly can the qxcomm technology move, frame 1 with hang and be equipped with adjusting device between the board 2, adjusting device includes oil gas spring 6, slider 8 and sharp form slide rail 9, when the AGV dolly is when the ground of unevenness moves, oil gas spring 6 extends or contracts according to the wheel pressure of the wheel 3 that corresponds, oil gas spring 6 drive hangs slider 8 on the board 2 and reciprocates along sharp form slide rail 9, make the wheel 3 and the ground contact that correspond, avoid wheel 3 unsettled phenomenon to appear, guarantee that the AGV dolly normally travels.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A novel AGV dolly, its characterized in that: the bicycle comprises a frame and a suspension plate, wherein a driving device is fixed on the suspension plate, and wheels are installed at the output end of the driving device; an adjusting device is arranged between the frame and the suspension plate, the adjusting device comprises an oil-gas spring, a sliding block and a linear sliding rail, the linear sliding rail is fixed on the frame, the sliding block is fixed on the suspension plate and is in sliding connection with the linear sliding rail, the upper end of the oil-gas spring is hinged with the frame, and the lower end of the oil-gas spring is hinged with the suspension plate; hydro-pneumatic spring and the equal vertical setting of sharp slide rail.

2. The new AGV cart of claim 1, further comprising: the number of the adjusting devices is two, and the driving device is arranged between the two adjusting devices.

3. The new AGV cart as claimed in claim 2, wherein: the two adjusting devices are symmetrically arranged about the center line of the output end of the driving device.

4. The new AGV cart of claim 1, further comprising: the driving device comprises a servo motor, a speed reducer is installed at the output end of the servo motor, and wheels are installed at the output end of the speed reducer.

5. The new AGV cart as claimed in claim 4, wherein: a flange plate is fixed on the speed reducer and fixedly connected with the suspension plate through bolts; the output end of the speed reducer is arranged on the outer side of the suspension plate.

6. The new AGV cart of claim 1, further comprising: the lower parts of the two sides of the suspension plate are respectively fixed with two connecting plates which are horizontally arranged, the suspension plate is arranged between the two connecting plates, and the lower end of the hydro-pneumatic spring is hinged with the connecting plates.

7. The new AGV cart as claimed in claim 6, wherein: the upper end of the hydro-pneumatic spring is provided with an upper hinge shaft, and the upper end of the hydro-pneumatic spring is hinged with the frame through the upper hinge shaft; the lower end of the hydro-pneumatic spring is provided with a lower hinge shaft, and the lower end of the hydro-pneumatic spring is hinged with the connecting plate through the lower hinge shaft.

8. The new AGV cart of claim 1, further comprising: the wheels are Mecanum wheels.

9. The new AGV cart of claim 1, further comprising: the sliding block is provided with a sliding groove matched with the linear sliding rail, the sliding block is provided with an oil filling hole, an oil filling dropper is detachably mounted at the oil filling hole, and the oil filling hole is communicated with the sliding groove.