CN218839617U

CN218839617U - AGV chassis and AGV dolly

Info

Publication number: CN218839617U
Application number: CN202223096114.XU
Authority: CN
Inventors: 李特; 郭建红
Original assignee: Jiashun Intelligent Robot Shenzhen Co ltd
Current assignee: Jiashun Intelligent Robot Shenzhen Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-11
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a AGV chassis and AGV dolly, AGV chassis include the frame and set up in a pair of drive wheelset and follow-up wheelset in the frame, drive wheelset with follow-up wheelset be three horn shapes overall arrangement install in the frame. The utility model discloses a AGV chassis can prevent to skid in order to realize the steady effect of walking through set up the driving wheel group and the follow-up wheelset that are the triangle-shaped overall arrangement in the frame, and whole structure is very simple, and the operation is reliable and long service life.

Description

AGV chassis and AGV dolly

Technical Field

The utility model relates to a AGV dolly technical field, in particular to AGV chassis and AGV dolly.

Background

An Automated Guided Vehicle (AGV), also commonly referred to as an AGV cart, is a transport vehicle equipped with an electromagnetic or optical automatic navigation device, capable of traveling along a predetermined navigation path, and having safety protection and various transfer functions.

The chassis of the AGV generally adopts a six-wheel system or four-wheel system layout, the six-wheel system chassis generally adopts two driving wheels and four universal wheels, the two driving wheels are generally arranged on a symmetrical central line of the chassis, and the four universal wheels are generally arranged at four corners; four-wheel chassis usually uses two driving wheels and two universal wheels, the two driving wheels are arranged on two opposite angles of one diagonal of the chassis, and the two universal wheels are arranged on two opposite angles of the other diagonal of the chassis. No matter a six-wheel train or four-wheel train layout is adopted, the damping treatment needs to be carried out on the chassis, otherwise, the chassis slips, the structure of the chassis is quite complex, and the cost is increased.

Therefore, the prior art has yet to be developed.

SUMMERY OF THE UTILITY MODEL

In view of the weak point of above-mentioned prior art, the utility model aims at providing a AGV chassis and AGV dolly aims at simplifying the structure on AGV chassis, realizes the steady effect of walking.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a AGV chassis, including the frame and set up in a pair of drive wheelset and follow-up wheelset in the frame, the drive wheelset with follow-up wheelset be three horn shapes overall arrangement install in the frame.

Further, the follow-up wheel group comprises a first support, a pair of follow-up wheels and a navigation device, the follow-up wheels are arranged below the first support at intervals, and the navigation device is arranged in the interval between the two follow-up wheels.

Furthermore, the driving wheel set comprises a second support, a driving wheel and a first motor, the driving wheel is installed below the second support, and the first motor is installed on the second support and connected with the driving wheel.

Furthermore, the steering device comprises a plurality of steering devices, the steering devices are mounted at the upper ends of the driving wheel set and/or the follow-up wheel set, each steering device comprises a turntable, a second motor and a gear, the gear is fixedly connected with the second motor, and the turntables are connected with the gears in a meshed mode.

Further, the navigation device is a laser scanner or a visual sensor.

The utility model also provides an AGV dolly, include as before the AGV chassis.

The utility model discloses technical scheme has beneficial effect:

the utility model discloses a AGV chassis can prevent to skid in order to realize the steady effect of walking through set up the driving wheel group and the follow-up wheelset that are the triangle-shaped overall arrangement in the frame, and whole structure is very simple, and the operation is reliable and long service life.

Drawings

FIG. 1 is a schematic diagram of the AGV chassis of the present invention;

fig. 2 is a schematic structural view of a driving wheel set and a steering device of the present invention;

FIG. 3 is a schematic structural view of the following wheel set and the steering device of the present invention;

fig. 4 is a schematic structural diagram of the following wheel set of the present invention.

Description of reference numerals:

100-AGV chassis, 10-rack, 20-driving wheel set, 21-second support, 22-driving wheel, 23-first motor, 30-follow-up wheel set, 31-first support, 32-follow-up wheel, 33-navigation device, 40-steering device, 41-turntable, 42-second motor and 43-gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the embodiments described herein are only used for explaining the present invention and are not used for limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Please refer to fig. 1 to 4, the utility model provides an AGV chassis 100, including frame 10 and set up in a pair of drive wheelset 20 and follow-up wheelset 30 in the frame 10, drive wheelset 20 with follow-up wheelset 30 is triangle-shaped layout install in the frame 10, drive wheelset 20 with follow-up wheelset 30 is in same plane, can make AGV chassis 100 is connected with ground is firm, furthest control AGV chassis 100's gesture has been evaded AGV chassis 100 takes place to skid, the risk of toppling to realize the steady effect of walking, whole structure is very simple, and the operation is reliable and life.

The navigation devices of conventional AGV chassis 100 are typically mounted at the non-drive wheels and the follower wheels, resulting in insufficient accuracy in positioning the AGV chassis.

In order to overcome the above problem, referring to fig. 3 and 4, the follower wheel group 30 includes a first bracket 31, a pair of follower wheels 32 and a navigation device 33, the follower wheels 32 are installed at intervals below the first bracket 31, and the navigation device 33 is installed at intervals between the two follower wheels 32, so that after the follower wheels 32 travel, the navigation device 33 can detect the position information of the AGV chassis 100 in real time, and the two run in a consistent and synchronous manner, thereby improving the positioning accuracy of the AGV chassis 100.

In this embodiment, navigation device 33 is laser scanner or visual sensor, correspondingly, sets up two-dimensional code or magnetic stripe subaerial, navigation device 33 and two-dimensional code or magnetic stripe cooperation can realize the accurate location of AGV chassis 100.

Specifically, the driving wheel set 20 includes a second bracket 21, a driving wheel 22 and a first motor 23, the driving wheel 22 is installed below the second bracket 21, the first motor 23 is installed on the second bracket 21 and connected to the driving wheel 22, the first motor 23 drives the driving wheel 22 to rotate, so as to realize the traveling of the AGV chassis 100.

Further, the utility model discloses an AGV chassis 100 still includes that a plurality of turns to device 40, turn to device 40 install in drive wheelset 20 and/or the upper end of follow-up wheelset 30, turn to device 40 and include carousel 41, second motor 42 and gear 43, gear 43 with second motor 42 fixed connection, carousel 41 with gear 43 meshes the connection, second motor 42 rotates the drive gear 43 and carousel 41 rotates, makes first support 31, second support 21 realize turning to respectively, have guaranteed AGV chassis 100 can realize the removal of arbitrary direction.

In the present embodiment, the first motor 23 and the second motor 42 are respectively provided with a reduction box, which functions to reduce the speed and increase the torque.

The utility model also provides an AGV dolly, include as before AGV chassis 100. The AGV dolly of this embodiment also has above-mentioned beneficial effect, and the repeated description is no longer repeated here.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not exhaustive here for all embodiments. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a AGV chassis, its characterized in that, including the frame and set up in a pair of drive wheel group and follow-up wheelset in the frame, drive wheel group with follow-up wheelset install in with being triangle-shaped overall arrangement in the frame.

2. The AGV chassis of claim 1, wherein the set of follower wheels includes a first bracket, a pair of follower wheels spaced below the first bracket, and a navigation device mounted within the spacing of the follower wheels.

3. The AGV chassis of claim 2, wherein said drive wheel set includes a second bracket, a drive wheel mounted below said second bracket, and a first motor mounted to said second bracket and connected to said drive wheel.

4. The AGV chassis of claim 3, further comprising a plurality of steering devices mounted to the upper end of the drive wheel set and/or the follower wheel set, wherein the steering devices comprise a turntable, a second motor and a gear, the gear is fixedly connected to the second motor, and the turntable is engaged with the gear.

5. The AGV chassis of claim 2, wherein the navigation device is a laser scanner or a visual sensor.

6. An AGV carriage comprising an AGV chassis according to any one of claims 1 to 5.