CN211942871U - AGV driving device with terrain self-adaption and compact structure - Google Patents

Abstract

The utility model discloses a AGV driving device with a self-adaptive terrain and a compact structure, which comprises a driving motor, wherein the driving motor is connected with a driving wheel in a driving way, and the axle center of the driving wheel is rotationally connected with a floating plate; the connecting plate is fixed with two symmetrically arranged rotating shaft plates, the rotating shaft plates are provided with threaded shafts, the end parts of the threaded shafts are in threaded connection with nuts, and the nuts are positioned outside one of the rotating shaft plates; the threaded shaft is provided with a flange which is fixedly connected with the floating plate and is positioned between the two rotating shaft plates; one end of the spring assembly is movably connected to the floating plate; the upper ends of the first limiting plate and the second limiting plate are fixedly connected with the mounting plate; the first limiting plate and the second limiting plate are provided with clamping grooves; the end of the floating plate far away from the connecting plate is embedded in the clamping groove, and the thickness of the clamping groove is larger than that of the floating plate. The utility model discloses can adapt to the topography of crossing the hole and crossing the slope, compact structure, convenient to use, occupation space is little, and adaptability is stronger.

Description

AGV driving device with terrain self-adaption and compact structure

Technical Field

The utility model relates to a AGV specifically is a AGV drive arrangement of self-adaptation topography and compact structure.

Background

The driving device of the AGV is one of important components of the AGV, provides power for the AGV, and ensures that the AGV moves to a set target point to complete a task. Some existing AGV driving devices are in rigid connection, the trafficability is not strong under the condition that the terrain of a user on site is greatly fluctuated, and when the situation of pit crossing or slope crossing occurs, the driving is easy to slip, so that the running efficiency is low; some drive arrangement in addition have the design of moving away to avoid possible earthquakes and adopt lever structure, in order to guarantee sufficient arm of force length, must lead to the structure to be bigger than normal, pack into AGV automobile body inside after, occupation space is great, indirect influence AGV's overall dimension, just can't satisfy the requirement of operation in narrow and small space when AGV's overall dimension is great.

SUMMERY OF THE UTILITY MODEL

For solving the defect of above-mentioned prior art, the utility model provides a AGV drive arrangement of self-adaptation topography and compact structure, the utility model discloses can adapt to the topography of crossing the slope in the hole, compact structure, convenient to use, occupation space is little, and adaptability is stronger.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: an AGV driving device adaptive to terrain and compact in structure comprises a driving motor, wherein the driving motor is connected with a driving wheel in a driving mode, and a floating plate is rotatably connected to the axis of the driving wheel;

also comprises the following steps of (1) preparing,

the connecting plate is fixedly provided with two symmetrically arranged rotating shaft plates, the rotating shaft plates are provided with threaded shafts, the end parts of the threaded shafts are in threaded connection with nuts, and the nuts are positioned outside one of the rotating shaft plates; the threaded shaft is provided with a flange which is fixedly connected with the floating plate and is positioned between the two rotating shaft plates;

one end of the spring assembly is movably connected to the floating plate;

the upper ends of the first limiting plate and the second limiting plate are fixedly connected with a mounting plate; the first limiting plate and the second limiting plate are provided with clamping grooves; one end, far away from the connecting plate, of the floating plate is embedded in the clamping groove, and the thickness of the clamping groove is larger than that of the floating plate.

Furthermore, a bearing sleeve is arranged between the threaded shaft and the flange plate.

Furthermore, the flange plate is fixedly connected with the floating plate through a screw rod.

Furthermore, the other end of the spring assembly is movably connected with a floating support.

Furthermore, a connecting support is fixed on the floating plate and movably connected with the lower end of the spring assembly.

Furthermore, one end, close to the connecting plate, of the floating plate is arranged in a convex angle mode, and the convex angle is arranged in a round angle mode.

Furthermore, one end, far away from the connecting plate, of the floating plate extends to form a convex plate, and the convex plate is embedded in the clamping groove.

To sum up, the utility model discloses following technological effect has been gained:

1. the spring force of the spring component of the utility model is 1:1, which acts right above the driving wheel, the transverse space occupied by the driving device can be greatly reduced while the force and the compression stroke of the spring are fully utilized, and the lever structure of other driving has the force arm, which is bound to occupy larger space, the utility model has smaller occupied space;

2. the spring length is not affected in the longitudinal direction, and the proper length of the spring can be selected according to the fluctuation degree of the ground, so that the longitudinal occupied space can be favorably saved;

3. the two limiting plates of the utility model can be reasonably limited when the driving device turns, so as to prevent the deviation;

4. the utility model discloses pivot motion part uses the bearing housing that the engineering material that high rigidity high wear resistance and coefficient of friction are low made, and low hydroscopicity has fine resistance to liquid medium, can exempt from for the life and lubricate, non-maintaining, life is more than the triple of ordinary metal bearing housing.

Drawings

Fig. 1 is an overall schematic diagram provided by an embodiment of the present invention;

FIG. 2 is a sectional view taken in the direction EE of FIG. 1;

FIG. 3 is a sectional view taken in the direction DD of FIG. 1

In the figure, the device comprises a driving wheel 1, a driving wheel 2, a floating plate 21, a convex plate 3, a connecting plate 4, a rotating shaft plate 5, a threaded shaft 6, a nut 7, a flange plate 8, a screw rod 9, a bearing sleeve 10, a connecting support 11, a spring assembly 12, a floating support 13, a first limiting plate 14, a second limiting plate 15, a clamping groove 16, a mounting plate 17 and a driving motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

as shown in FIG. 1, the AGV driving device with terrain self-adaption and compact structure comprises a driving motor 17, wherein the driving motor 17 is connected with a driving wheel 1 in a driving mode, and a floating plate 2 is rotatably connected to the axis of the driving wheel 1.

In particular, the method also comprises the following steps,

as shown in fig. 2, two symmetrically arranged rotating shaft plates 4 are fixed on the connecting plate 3, a threaded shaft 5 is mounted on each rotating shaft plate 4, a nut 6 is connected to the end of each threaded shaft 5 through a thread, and each nut 6 is located outside one rotating shaft plate 4; install ring flange 7 on the screw shaft 5, it is concrete, be equipped with bearing housing 9 between screw shaft 5 and the ring flange 7 and can protect screw shaft 5 not receive the damage, ring flange 7 fixed connection float board 2, it is concrete, ring flange 7 passes through screw rod 8 fixed connection with float board 2, ring flange 7 is located between two pivot boards 4.

One end of the floating plate 2 close to the connecting plate 3 is arranged in a convex angle mode, and the convex angle is arranged in a round angle mode.

As shown in fig. 1, one end of the spring assembly 11 is movably connected to the floating plate 2, and specifically, the floating plate 2 is fixed with a connecting bracket 10, and the connecting bracket 10 is movably connected to the lower end of the spring assembly 11. The other end of the spring assembly 11 is movably connected with a floating bracket 12, and the floating bracket 12 is connected to a rigid structure inside the vehicle.

Further, the spring assembly 11 is composed of a spring, a connecting rod, a nut and other components, which are conventional structures and will not be described herein.

A first limiting plate 13 and a second limiting plate 14, as shown in fig. 3, the upper ends of the first limiting plate 13 and the second limiting plate 14 are fixedly connected with a mounting plate 16, and the mounting plate 16 is mounted on a rigid structure in the vehicle; the first limiting plate 13 and the second limiting plate 14 are provided with clamping grooves 15; one end of the floating plate 2, which is far away from the connecting plate 3, is embedded in the clamping groove 15, and the thickness of the clamping groove 15 is larger than that of the floating plate 2. Furthermore, one end of the floating plate 2, which is far away from the connecting plate 3, is extended to be provided with a convex plate 21, and the convex plate 21 is embedded in the clamping groove 15.

The utility model discloses utilize set screw to pass drive wheel 1 and screw up on driving motor 17 with floating plate 2 together. The upper end of the floating plate 2 is connected to the lower end of the spring assembly 11 through a connecting bracket 10; the flange 7 is connected to one side end of floating plate 2, and threaded shaft 5 passes through bearing housing 9 when passing flange 7, and bearing housing 9 can reduce the frictional force when flange 7 does the circular motion around threaded shaft 5, and connecting plate 3 is fixed to the rigid structure of automobile body inside. The upper end of the spring assembly 11 is connected to a rigid structure inside the vehicle via a floating bracket 12.

In the actual work scene, the influence of factory environment factor leads to, and there must be some fluctuations in AGV road surface of traveling, and AGV's drive arrangement when guaranteeing that the car can steady operation, occupies the inner space of car as little as possible. The utility model discloses when crossing the condition of ground undulation, because connecting plate 3 is with the inside rigid connection of car, the ring flange 7 that the right side of floating plate 2 is connected can revolute shaft plate 4 and be circular motion, 2 upper ends of floating plate are connected to spring unit 11 lower extremes through linking bridge 10, because floating bridge 12 of the upper end of spring unit 11 is fixed in the rigid structure position of car inside, so when drive wheel 1 meets the undulation, power can transmit to spring unit 11 on, spring unit 11 can freely stretch out and draw back from the adaptation, spring unit 11 is installed directly over drive wheel 1, the spring force is 1: 1's effect on the wheel, horizontal occupation space is very little, vertical space can be according to the self-adaptation demand, select suitable spring length, can practice thrift the space equally. The first limiting plate 13 and the second limiting plate 14 are installed on a rigid structure in the vehicle, the left and right relative positions of the floating plate 2 can be limited by the clamping groove 15, deviation is prevented from occurring when the driving device turns, the whole vehicle operation is influenced, and the operation reliability is improved.

The spring assembly 11 of the utility model can flexibly connect the driving wheel 1 with the vehicle body, the driving wheel 1 together with the floating plate 2 and the flange plate 7 can do circular motion around the rotating shaft plate 4, the bearing sleeve 9 is made of engineering material with high hardness, high wear resistance and low friction coefficient, has low water absorption, has good resistance to liquid medium, can be free of lubrication and maintenance for the whole life, has more than three times of the service life of a common metal bearing sleeve, and greatly improves the reliability; the spring force 1:1 of the spring assembly 11 acts above the driving wheel, so that the transverse occupied space is small; when the road surface fluctuates, the drive wheel is also guaranteed to hug closely ground at any time by the fluctuation of spring, the phenomenon that the drive is slipped can not be caused, the spring of suitable stroke can be selected according to the fluctuation condition of using the road conditions to vertical part, vertically the space also occupies very little, can practice thrift the inside space of AGV, AGV is small and exquisite enough that just can design, with the stopper that the cooperation of unsteady board is fixed, can restrict the removal of floating, ensure that drive arrangement can not take place the skew when AGV turns, the operational reliability promotes greatly, can satisfy the demand of most field usage.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a topography and compact structure's AGV drive arrangement self-adaptation, includes driving motor (17), its characterized in that: the driving motor (17) is connected with a driving wheel (1) in a driving mode, and a floating plate (2) is rotatably connected to the axis of the driving wheel (1);

also comprises the following steps of (1) preparing,

the connecting plate (3) is fixedly provided with two symmetrically arranged rotating shaft plates (4), the rotating shaft plates (4) are provided with threaded shafts (5), the end parts of the threaded shafts (5) are in threaded connection with nuts (6), and the nuts (6) are positioned outside one of the rotating shaft plates (4); a flange plate (7) is mounted on the threaded shaft (5), the flange plate (7) is fixedly connected with the floating plate (2), and the flange plate (7) is positioned between the two rotating shaft plates (4);

the spring assembly (11), one end of the spring assembly (11) is movably connected to the floating plate (2);

the upper ends of the first limiting plate (13) and the second limiting plate (14) are fixedly connected with a mounting plate (16); the first limiting plate (13) and the second limiting plate (14) are provided with clamping grooves (15); one end, far away from the connecting plate (3), of the floating plate (2) is embedded in the clamping groove (15), and the thickness of the clamping groove (15) is larger than that of the floating plate (2).

2. An adaptive terrain and compact AGV drive according to claim 1 wherein: and a bearing sleeve (9) is arranged between the threaded shaft (5) and the flange plate (7).

3. An adaptive terrain and compact AGV drive according to claim 1 wherein: the flange plate (7) is fixedly connected with the floating plate (2) through a screw rod (8).

4. An adaptive terrain and compact AGV drive according to claim 1 wherein: the other end of the spring assembly (11) is movably connected with a floating support (12).

5. An adaptive terrain and compact AGV drive according to claim 1 wherein: and a connecting support (10) is fixed on the floating plate (2), and the connecting support (10) is movably connected with the lower end of the spring assembly (11).

6. An adaptive terrain and compact AGV drive according to claim 1 wherein: one end, close to the connecting plate (3), of the floating plate (2) is arranged in a convex angle mode, and the convex angle is arranged in a round angle mode.

7. An adaptive terrain and compact AGV drive according to claim 1 wherein: one end, far away from the connecting plate (3), of the floating plate (2) extends to form a convex plate (21), and the convex plate (21) is embedded in the clamping groove (15).

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