CN211764771U

CN211764771U - AGV robot drive assembly

Info

Publication number: CN211764771U
Application number: CN202020214377.8U
Authority: CN
Inventors: 路卫国; 赵庆江; 张万录
Original assignee: Harbin Tianhe Automobile Equipment Co ltd
Current assignee: Harbin Tianhe Automobile Equipment Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-27
Anticipated expiration: 2030-02-27

Abstract

The utility model provides a AGV robot drive assembly belongs to the mechatronic field, and the drive wheel of having solved current AGV robot is unsettled easily, and the structure is complicated, and the installation of being not convenient for is dismantled and is overhauld, is not suitable for the problem of dirty environment. It includes wheel, bearing mounting panel welding piece, damping spring, spring screw, vehicle body bottom plate welding, motor cover plate, guide pillar, linear bearing, motor reducer subassembly, breakwater and shaft, and vehicle body bottom plate welding includes vehicle bottom plate and guide pillar fixed plate welding formation, set up two guide pillar clearing holes, two screw rod clearing holes and a motor clearing hole on the vehicle bottom plate, the guide pillar is worn out vehicle bottom plate lower part through the guide pillar clearing hole, the spring screw is worn out vehicle bottom plate lower part through the screw rod clearing hole, the last damping spring that has worn of spring screw, the damping spring lower extreme supports on bearing mounting panel welding piece. The driving assembly is mainly used for the AGV robot.

Description

AGV robot drive assembly

Technical Field

The utility model belongs to the mechatronic field especially relates to a AGV robot drive assembly.

Background

At present, the AGV robot has wide application in various fields, such as storage, inspection, catering, picking and the like. Some chassis are limited by space size and do not have a suspension system, so that the driving wheel is suspended in the air and slips; some driven wheels are hung, so that the application environment and the application effect are greatly limited; some adopt the full suspension system, but the structure is complicated, is not convenient for the installation to dismantle and overhaul, is not suitable for dirty environment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem among the prior art, provide a AGV robot drive assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an AGV robot driving assembly comprises wheels, a bearing mounting plate welding piece, a damping spring, a spring screw, a vehicle body bottom plate welding piece, a motor cover plate, a guide pillar, a linear bearing, a motor reducer assembly, a water baffle and a wheel shaft, wherein the vehicle body bottom plate welding piece comprises a vehicle bottom plate and a guide pillar fixing plate which are welded together, two guide pillar through holes, two screw rod through holes and a motor through hole are formed in the vehicle bottom plate, the guide pillar penetrates out of the lower portion of the vehicle bottom plate through the guide pillar through holes, the spring screw penetrates out of the lower portion of the vehicle bottom plate through the screw rod through holes, the damping spring is penetrated through the spring screw, the lower end of the damping spring is supported on the bearing mounting plate welding piece, the upper end of the damping spring is supported on the vehicle bottom plate, the motor reducer assembly penetrates out of the upper portion of the vehicle bottom plate through the motor through holes, the motor cover plate is fixed on the guide post fixing plate, the bearing mounting plate welding piece is fixedly connected with two linear bearings, the linear bearings and the guide posts are matched to form a moving pair, the reducer of the motor reducer assembly is fixed on the bearing mounting plate welding piece, the wheel is fixed on the wheel shaft through a baffle and a flat key, the wheel shaft is inserted into a torque output hole of the motor reducer assembly, and the motor cover plate, the vehicle body bottom plate and the water baffle are used for isolating the wheel, the bearing mounting plate welding piece, the linear bearings and the motor reducer assembly.

Furthermore, a damper is arranged on the bearing mounting plate welding piece, and the upper end of the damper is propped against the vehicle bottom plate.

Furthermore, the spring screw passes through the screw rod through hole, penetrates through the damping spring, and penetrates through the bearing mounting plate welding piece, and then is provided with the locknut with the rubber ring.

Furthermore, a screw rod is arranged at the tail end of the guide column in a propping mode, penetrates through a hole in the guide column fixing plate and is locked by a nut.

Furthermore, a waterproof cover is arranged on the flange on the inner side of the reducer shell of the motor reducer assembly, and an O-shaped sealing ring is arranged between the waterproof cover and the flange on the inner side of the reducer shell.

Furthermore, an O-shaped sealing ring is arranged between the reducer of the motor reducer assembly and the bearing mounting plate welding piece.

Furthermore, a bearing mounting hole is formed in the bearing mounting plate welding piece, a deep groove ball bearing is mounted on the bearing mounting hole, an elastic check ring for the mounting hole in the left surface of the deep groove ball bearing is arranged, and an oil seal is arranged on the left side of the elastic check ring for the hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a current AGV robot's drive wheel unsettled easily, the structure is complicated, and the installation of being not convenient for is dismantled and is overhauld, is not suitable for the problem of dirty environment.

The utility model discloses guarantee that the drive wheel is reliable and the ground contact in design range. The AGV driving device has the advantages that the universality of the AGV trolley driving assembly can be effectively improved, the driving assembly is convenient to disassemble, assemble and maintain, the structure of the vehicle body is compact, the AGV driving device is suitable for a dirty environment, and muddy water, impurities and the like are prevented from entering the speed reducer. The driving wheel can be ensured to be reliably contacted with the ground within the design range, the driving wheel adapts to the unevenness of the ground, and the wheels are prevented from being off the ground and deviating from the walking direction. The vibration and the jolt of the vehicle body are reduced, so that the vehicle body can walk stably.

Drawings

Fig. 1 is a schematic diagram of an outer shaft side of an AGV robot driving assembly according to the present invention;

FIG. 2 is a schematic view of an inner shaft side of an AGV robot drive assembly according to the present invention;

FIG. 3 is a cross-sectional view of an output shaft of a AGV robot drive assembly speed reducer according to the present invention;

FIG. 4 is a side view of an AGV robot drive assembly according to the present invention;

FIG. 5 is a side view of the inner and outer shafts of a bearing mounting plate weldment of an AGV robot drive assembly according to the present invention;

FIG. 6 is a side view of a bottom plate weldment of an AGV robot drive assembly in accordance with the present invention;

FIG. 7 is an AGV robot drive assembly guide pillar direction adjustment pole side view.

The device comprises a wheel 1, a bearing mounting plate 2, a bearing mounting plate welding piece 3, a damper 4, a damping spring 5, a spring screw rod 6, a vehicle body bottom plate welding piece 7, a motor cover plate 8, a guide pillar 9, a linear bearing 10, a motor reducer assembly 14, a water baffle plate 14, a nut 16-M14, a wheel axle 17, a waterproof cover 18, a gasket 19, a nut 20-M10, a first screw 21, a first O-shaped sealing ring 22, a deep groove ball bearing 23, an elastic check ring for 24 holes, an oil seal 25, a baffle 26, a second screw 27, a screw 28 and a nut 29.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely explained below with reference to the drawings in the embodiment of the present invention.

Referring to fig. 1-7 to illustrate the embodiment, an AGV robot driving assembly comprises wheels 1, bearing mounting plate welding pieces 2, damping springs 4, spring screws 5, a car body bottom plate welding piece 6, a motor cover plate 7, guide pillars 8, linear bearings 9, a motor reducer assembly 10, a water baffle 14 and a wheel axle 17, wherein the car body bottom plate welding piece 6 comprises a car bottom plate and a guide pillar fixing plate which are welded together, the car bottom plate is provided with two guide pillar through holes, two screw rod through holes and a motor through hole, the guide pillars 8 penetrate out of the lower part of the car bottom plate through the guide pillar through holes, the spring screws 5 penetrate out of the lower part of the car bottom plate through the screw rod through holes, the damping springs 4 penetrate through the spring screws 5, the lower ends of the damping springs 4 are supported on the bearing mounting plate 2, the upper ends of the damping springs 4 are supported on the car bottom plate, the motor reducer assembly 10 penetrates, the guide post 8 is fixed on the guide post fixing plate, the water baffle 14 and the root of the spring screw 5 are fixed on the guide post fixing plate together, the motor cover plate 7 is fixed on the guide post fixing plate, the bearing mounting plate welding piece 2 is fixedly connected with two linear bearings 9, the linear bearings 9 and the guide post 8 are matched to form a moving pair, the reducer of the motor reducer assembly 10 is fixed on the bearing mounting plate welding piece 2, the wheel 1 is fixed on the wheel shaft 17 through a baffle 26 and a flat key, the wheel shaft 17 is inserted into a torque output hole of the motor reducer assembly 10, and the motor cover plate 7, the vehicle body bottom plate welding 6 and the water baffle 14 isolate the wheel 1, the bearing mounting plate welding piece 2, the linear bearings 9 and the motor reducer assembly 10.

In the embodiment, the wheel 1, the bearing mounting plate welding piece 2, the linear bearing 9 and the motor reducer assembly 10 are isolated outside the vehicle cabin through the motor cover plate 7, the vehicle body bottom plate welding piece 6 and the water baffle 14, so that the inside and the outside of the vehicle cabin are isolated, and dirt, muddy water and the like are prevented from entering the vehicle cabin. The axle 17 is inserted into the torque output hole of the motor reducer assembly 10 and secured to the torque output hole of the motor reducer assembly 10 by a washer 19, a nut 20, and a flat key. The moving pair consisting of the linear bearing 9 and the guide post 8 can move along the normal direction of the vehicle bottom plate. The gravity of the vehicle body acts on the upper end of the damping spring 4 by the vehicle bottom plate, and the lower end of the damping spring 4 is supported on the steel plate of the bearing mounting plate welding piece 2, so that a floating gap is formed between the vehicle bottom plate and the upper end of the bearing mounting plate welding piece 2, the gap is small when the vehicle bottom plate meets a convex ground in the walking process, and the gap is enlarged when the vehicle bottom plate meets a concave ground; the wheels are ensured to be always contacted with the ground in the walking process.

This embodiment install attenuator 3 on the bearing

mounting panel welding

2, 3 upper ends tops of attenuator are on the vehicle bottom plate, and the vehicle in-process of traveling when meetting unevenness ground, can alleviate the vibration range of vehicle bottom plate, makes the automobile body operate steadily. After the spring screw rod 5 passes through the screw rod through hole, the damping spring 4 is penetrated, after the spring screw rod passes through the bearing mounting plate welding piece 2, the check nut with the rubber ring is mounted, the driving assembly is prevented from falling off when the vehicle body is lifted, and when the two check nuts on the spring screw rod 5 are dismounted, the driving assembly can be pulled out from the guide pillar 8, so that the dismounting and the maintenance are convenient. The tail end of the guide post 8 is provided with a screw 28, the screw 28 passes through a hole on the guide post fixing plate and is locked by a nut 29, so that the guide section of the guide post 8 is prevented from inclining outwards, and the guide section of the guide post 8 can also incline inwards by adjusting the nut 29. The motor reducer assembly 10 is characterized in that a waterproof cover 18 is arranged on an inner side flange of the reducer casing, and an O-shaped sealing ring 22 is arranged between the waterproof cover 18 and the inner side flange of the reducer casing and used for preventing water from entering the reducer casing from the right side. Install O type sealing washer 22 between motor reducer subassembly 10's reduction gear and the bearing mounting panel welding 2, the bearing mounting hole has been seted up on the bearing mounting panel welding 2, installation deep groove ball bearing 23 on the bearing mounting hole improves reduction gear worm gear's stress state, prolongs its life, circlip 24 is used to deep groove ball bearing 23 left surface mounting hole, circlip 24 left side is provided with the oil blanket 25 for the hole, plays the effect of preventing water from getting into reduction gear housing from the left side with left O type sealing washer 22 jointly.

The detailed description is given above on the AGV robot driving assembly provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a AGV robot drive assembly which characterized in that: the shock absorption vehicle comprises wheels (1), a bearing mounting plate welding piece (2), a shock absorption spring (4), a spring screw (5), a vehicle body bottom plate welding piece (6), a motor cover plate (7), a guide pillar (8), a linear bearing (9), a motor reducer assembly (10), a water baffle (14) and a wheel shaft (17), wherein the vehicle body bottom plate welding piece (6) is formed by welding a vehicle bottom plate and a guide pillar fixing plate, two guide pillar through holes, two screw through holes and a motor through hole are formed in the vehicle bottom plate, the guide pillar (8) penetrates out of the lower portion of the vehicle bottom plate through the guide pillar through hole, the spring screw (5) penetrates out of the lower portion of the vehicle bottom plate through the screw through hole, the shock absorption spring (4) is penetrated through the spring screw (5), the lower end of the shock absorption spring (4) is supported on the bearing mounting plate welding piece, the motor reducer assembly (10) penetrates out of the upper portion of the car bottom plate through a motor through hole, the guide post (8) is fixed on a guide post fixing plate, the water baffle (14) and the root of the spring screw (5) are fixed on the guide post fixing plate together, the motor cover plate (7) is fixed on the guide post fixing plate, two linear bearings (9) are fixedly connected onto the bearing mounting plate welding piece (2), the linear bearings (9) and the guide post (8) are matched to form a moving pair, a reducer of the motor reducer assembly (10) is fixed onto the bearing mounting plate welding piece (2), the wheel (1) is fixed onto a wheel shaft (17) through a baffle (26) and a flat key, the wheel shaft (17) is inserted into a torque output hole of the motor reducer assembly (10), and the motor cover plate (7), the car body bottom plate welding piece (6) and the water baffle (14) enable the wheel (1), The bearing mounting plate welding piece (2), the linear bearing (9) and the motor reducer assembly (10) are isolated.

2. An AGV robot drive assembly according to claim 1, further comprising: the bearing mounting plate welding piece (2) is provided with a damper (3), and the upper end of the damper (3) is propped against the vehicle bottom plate.

3. An AGV robot drive assembly according to claim 1, further comprising: and the spring screw (5) penetrates through the screw through hole and then penetrates through the damping spring (4), and after penetrating through the bearing mounting plate welding piece (2), the check nut with the rubber ring is installed.

4. An AGV robot drive assembly according to claim 1, further comprising: and a screw rod (28) is arranged at the tail end of the guide post (8) in a top-supporting mode, and the screw rod (28) penetrates through a hole in the guide post fixing plate and is locked by a nut (29).

5. An AGV robot drive assembly according to claim 1, further comprising: a waterproof cover (18) is arranged on an inner side flange of a speed reducer shell of the motor speed reducer assembly (10), and an O-shaped sealing ring (22) is arranged between the waterproof cover (18) and the inner side flange of the speed reducer shell.

6. An AGV robot drive assembly according to claim 1, further comprising: an O-shaped sealing ring (22) is arranged between the reducer of the motor reducer component (10) and the bearing mounting plate welding piece (2).

7. An AGV robot drive assembly according to claim 1, further comprising: the bearing installing hole has been seted up on bearing mounting panel welding spare (2), installation deep groove ball bearing (23) on the bearing installing hole, circlip (24) for deep groove ball bearing (23) left surface mounting hole, circlip (24) left side is provided with oil blanket (25) for the hole.