CN219154173U

CN219154173U - AGV driving wheel shock attenuation floating mechanism

Info

Publication number: CN219154173U
Application number: CN202320171689.9U
Authority: CN
Inventors: 高兴旺; 董彦来; 徐升明; 李正; 陈博
Original assignee: Linyi Lingong Intelligent Information Technology Co ltd
Current assignee: Linyi Lingong Intelligent Information Technology Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-09
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses an AGV driving wheel damping floating mechanism, and belongs to the technical field of AGV damping mechanisms. The shock-absorbing type driving mechanism solves the defect that a shock-absorbing type driving mechanism with a traditional driving wheel in the prior art is oversized. The main structure of the device comprises a driving wheel, wherein an upper supporting plate and a lower supporting plate are arranged at the upper end of the driving wheel, one end of the upper supporting plate is hinged with one end of the lower supporting plate through a double-hinge mechanism, and the other end of the upper supporting plate is connected with the other end of the lower supporting plate through a floating spring mechanism. The utility model is mainly used for AGVs.

Description

AGV driving wheel shock attenuation floating mechanism

Technical Field

The utility model belongs to the technical field of AGV damping mechanisms, and particularly relates to an AGV driving wheel damping floating mechanism.

Background

AGVs have been widely used in the transportation of production line material, and current AGVs mostly adopt two drive wheels and four truckles, because ground roughness, four truckles can not land simultaneously, consequently the drive wheel need utilize spring damping device to guarantee that drive wheel and ground have sufficient positive pressure, but at present because the utilization to the space is higher and higher, also require the size of AGV dolly to be less and less, especially in heavy load AGVs, current damping type drive wheel floating gear size is too big, has seriously limited the size of whole car size.

In addition, in the existing method, the damping of the driving wheel mainly adopts a mode of adding a spring to the guide rod, but the problems are that: the lifting guide rod and the driving unit lead to overlarge size height, so that the miniaturization design of the whole size of the AGV is seriously influenced, and the material conveying in a narrow area is not facilitated.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides the shock-absorbing floating mechanism for the AGV driving wheel, which combines the shock-absorbing floating mechanism with the driving wheel, has simple structure and convenient installation and adjustment, and can greatly reduce the whole size of the AGV driving unit under the condition of ensuring that the AGV driving wheel has enough forward pressure and up-down floating quantity, so that the whole structure is more compact.

In order to achieve the above purpose, the present utility model is realized by adopting the following technical scheme:

the utility model provides an AGV drive wheel shock attenuation floating mechanism, includes the drive wheel, backup pad and lower backup pad are installed to the upper end of drive wheel, and the one end of going up the backup pad is articulated with the one end of lower backup pad through double hinge mechanism, and the other end of going up the backup pad is connected with the other end of lower backup pad through floating spring mechanism.

Preferably, the floating spring mechanism comprises a spring, the lower end of the spring is connected with the lower supporting plate, and the upper end of the spring is connected with the upper supporting plate.

Preferably, a mandrel is installed in the middle of the spring, the lower end of the mandrel is installed on the lower support plate, and the installation length of the mandrel is smaller than the length of the spring or the installation length of the mandrel is smaller than the distance between the upper support plate and the lower support plate.

Preferably, the upper end of the spring is installed through the spring adjustable quick release plate after passing through the upper support plate, and the spring adjustable quick release plate is installed on the upper support plate through a fastener, wherein the fastener comprises any one of a bolt or a screw.

Preferably, a rotation limit detection mechanism is installed at the lower end of the lower support plate.

Preferably, the rotation limit detection mechanism is a travel switch. The upper end face of the driving wheel is provided with a boss matched with the rotation limit detection mechanism, the travel switch detects the rotation angle of the driving unit, and the travel switch is pressed down through the boss to prevent excessive rotation.

Preferably, a floating limiting plate is arranged at one end of the upper supporting plate, which is positioned on the floating spring mechanism, so that the upper and lower floating amount of the lower supporting plate is limited, and the spring is prevented from falling off due to overlarge rotating angle of the lower supporting plate through the double-hinge mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

1. the double-hinge mechanism is internally provided with a shaft sleeve, and the upper supporting plate can freely rotate around a hinge point and can bear radial and lateral driving force;

2. the central spindle is arranged in the middle of the spring, so that the spring can be prevented from being collapsed when being compressed, and the spring positioning function is achieved;

3. the spring adjustable quick-release plate is a quick-release plate, so that the spring can be quickly disassembled, and the compression amount of the spring can be adjusted;

4. the rotation limit detection mechanism adopts a travel switch, a boss matched with the rotation limit detection mechanism is arranged on the upper end surface of the driving wheel, the travel switch detects the rotation angle of the driving wheel, and the travel switch is pressed down by the boss to prevent the rotation angle of the driving wheel from being overlarge;

5. the floating limiting plate is used for limiting the up-down floating amount of the lower supporting plate, so that the spring is prevented from falling out due to the overlarge rotating angle of the lower supporting plate through the double-hinging mechanism;

in summary, the damping floating mechanism is combined with the driving wheel, the structure is simple, the installation and adjustment are convenient, and meanwhile, the overall size of the AGV driving unit is greatly reduced under the condition that the AGV driving wheel is ensured to have enough forward pressure and up-down floating quantity, so that the overall structure is more compact.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is a right side view of the present utility model.

In the figure: 1. a floating limiting plate; 2. a spring adjustable quick release plate; 3. a spring; 4. an upper support plate; 5. a double hinge mechanism; 6. a rotation limit detection mechanism; 7. a driving wheel; 8. a lower support plate; 9. a mandrel; 10. a boss.

Detailed Description

The utility model will now be further illustrated by means of specific examples in connection with the accompanying drawings.

Example 1:

as shown in fig. 1-3, an AGV driving wheel damping floating mechanism comprises a driving wheel 7, wherein an upper supporting plate 4 and a lower supporting plate 8 are installed at the upper end of the driving wheel 7, one end of the upper supporting plate 4 is hinged with one end of the lower supporting plate 8 through a double-hinge mechanism 5, and the other end of the upper supporting plate 4 is connected with the other end of the lower supporting plate 8 through a floating spring mechanism.

In this embodiment, the double hinge mechanism 5 is provided with a built-in shaft sleeve, and the upper support plate 4 can rotate freely around the hinge point and can bear radial and lateral driving forces.

Example 2:

the utility model provides an AGV drive wheel shock attenuation floating mechanism, floating spring mechanism includes spring 3, and spring 3's lower extreme is connected with lower backup pad 8, and the upper end is connected with last backup pad 4, and spring 3 compressed is bigger, and holistic height is just lower.

The middle of the spring 3 is provided with a mandrel 9, the lower end of the mandrel 9 is arranged on the lower support plate 8, and the installation length of the mandrel 9 is smaller than the length of the spring 3 or the installation length of the mandrel 9 is smaller than the distance between the upper support plate 4 and the lower support plate 8.

The upper end of the spring 3 passes through the upper support plate 4 and then is installed through the spring adjustable quick-release plate 2, and the spring adjustable quick-release plate 2 is installed on the upper support plate 4 through a fastener, wherein the fastener comprises any one of a bolt or a screw.

In this embodiment, the central mounting spindle 9 of the spring 3 can prevent the spring 3 from collapsing when compressed, and has the function of positioning the spring 3. The spring adjustable quick release plate 2 adopts a quick release plate, can disassemble the spring 3 fast, and adjust the compression of the spring 3.

The lower extreme of lower bolster 8 is installed and is revolved spacing detection mechanism 6, and gyration spacing detection mechanism 6 is travel switch. The upper end face of the driving wheel 7 is provided with a boss 10 matched with the rotation limit detection mechanism 6, the travel switch detects the rotation angle of the driving wheel 7, and when the driving wheel 7 rotates around the rotation center by +/-120 degrees to trigger the travel switch, the travel switch is pressed down through the boss 10, so that excessive rotation is prevented. The other parts are the same as in example 1.

Example 3:

the utility model provides an AGV drive wheel shock attenuation floating mechanism, floating limiting plate 1 is installed to the one end that upper support plate 4 is located floating spring mechanism, and the upper and lower volume of floating of restriction lower bolster 8 prevents that lower bolster 8 from deviating from through double hinge mechanism 5 rotation angle too big, leads to spring 3. The other portions are the same as in example 2.

The damping floating mechanism is combined with the driving wheel 7, so that the overall size is greatly reduced under the condition of ensuring that the AGV driving wheel has enough forward pressure and up-down floating quantity, and the overall structure is more compact.

Claims

1. AGV drive wheel shock attenuation floating mechanism, including drive wheel (7), its characterized in that: the upper end of the driving wheel (7) is provided with an upper supporting plate (4) and a lower supporting plate (8), one end of the upper supporting plate (4) is hinged with one end of the lower supporting plate (8) through a double-hinge mechanism (5), and the other end of the upper supporting plate (4) is connected with the other end of the lower supporting plate (8) through a floating spring mechanism.

2. The AGV drive wheel shock absorbing float mechanism of claim 1 wherein: the floating spring mechanism comprises a spring (3), the lower end of the spring (3) is connected with a lower supporting plate (8), and the upper end of the spring is connected with an upper supporting plate (4).

3. The AGV drive wheel shock absorbing float mechanism of claim 2 wherein: the middle of the spring (3) is provided with a mandrel (9), the lower end of the mandrel (9) is arranged on the lower supporting plate (8), and the installation length of the mandrel (9) is smaller than that of the spring (3).

4. The AGV drive wheel shock absorbing float mechanism according to claim 3 wherein: the upper end of the spring (3) passes through the upper supporting plate (4) and then is installed through the spring adjustable quick-release plate (2), and the spring adjustable quick-release plate (2) is installed on the upper supporting plate (4) through a fastener.

5. The AGV drive wheel shock absorbing float mechanism according to any one of claims 1-4 wherein: the lower end of the lower supporting plate (8) is provided with a rotation limit detection mechanism (6).

6. The AGV drive wheel shock absorbing float mechanism as set forth in claim 5 wherein: the rotation limit detection mechanism (6) is a travel switch.

7. The AGV drive wheel shock absorbing float mechanism as set forth in claim 6 wherein: and one end of the upper supporting plate (4) positioned on the floating spring mechanism is provided with a floating limiting plate (1).