CN113910845B

CN113910845B - AGV draw gear

Info

Publication number: CN113910845B
Application number: CN202111158337.1A
Authority: CN
Inventors: 银佳和; 陆贤辉; 周国; 张权武; 陶庆才
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2024-05-28
Anticipated expiration: 2041-09-30
Also published as: CN113910845A

Abstract

The invention provides an AGV traction device which comprises guide blocks, a traction support and a gravity stop block, wherein the guide blocks are fixed on the bottom surface of the traction support, at least two guide blocks are enclosed to form a guide channel, a middle through hole is formed in the traction support, the middle through hole is positioned in the guide channel, the gravity stop block is arranged in the middle through hole and hinged with the traction support, the traction support is horizontally arranged on the water surface, the gravity stop block swings in the middle through hole, and when the gravity stop block is in a free state, the gravity stop block is obliquely arranged in the guide channel under the action of gravity. The beneficial effects of the invention are as follows: the simple and quick bidirectional butt joint can be realized through the pendulum gravity stop block so as to hang the traction shaft, and the structure is simple and the cost is low.

Description

AGV draw gear

Technical Field

The invention relates to a traction device, in particular to an AGV traction device.

Background

The existing AGV (automatic guided vehicle) traction device adopts complex functionality, and uses electric or pneumatic to realize hooking and unhooking. Or a unidirectional movable stop block is used, so that the problem is difficult to quickly respond and solve when the fault is eliminated. The shortcomings of this approach are mainly:

1) The functions are realized through electric or pneumatic, and the structure is complex;

2) The traction shaft cannot be hung in two directions.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an AGV traction device.

The invention provides an AGV traction device which comprises guide blocks, a traction support and a gravity stop block, wherein the guide blocks are fixed on the bottom surface of the traction support, at least two guide blocks are enclosed to form a guide channel, a middle through hole is formed in the traction support, the middle through hole is positioned in the guide channel, the gravity stop block is arranged in the middle through hole and hinged with the traction support, the traction support is horizontally arranged on the water surface, the gravity stop block swings in the middle through hole, and when the gravity stop block is in a free state, the gravity stop block is obliquely arranged in the guide channel under the action of gravity.

As a further improvement of the invention, the gravity stop blocks are arranged symmetrically in front and back.

As a further improvement of the invention, when the gravity stop blocks are in a free state, the two gravity stop blocks are inverted in an eight shape.

As a further development of the invention, the gravity stop is articulated to the traction support by means of a pin.

As a further improvement of the invention, a locking groove is arranged on the traction support, the top end of the gravity stop block is connected with a locking bolt, a locking nut is arranged on the locking bolt, and when the gravity stop block is in a locking state, the nut and the locking bolt are respectively clamped at two sides of the locking groove.

As a further improvement of the invention, the guide channel is a front-back bidirectional horn-shaped guide channel.

As a further improvement of the invention, the top surface of the traction support is provided with a mounting block, and the mounting block is provided with an angle limiting groove for limiting the swing angle of the gravity stop block.

As a further improvement of the present invention, the AGV traction apparatus further includes a traction shaft, the mounting block is mounted on the skip car, and the traction shaft is mounted on the AGV car.

The beneficial effects of the invention are as follows: the simple and quick bidirectional butt joint can be realized through the pendulum gravity stop block so as to hang the traction shaft, and the structure is simple and the cost is low.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other solutions may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an AGV traction device according to the present invention.

FIG. 2 is a front view of an AGV traction device according to the invention.

FIG. 3 is a bottom view of an AGV traction device according to the invention.

FIG. 4 is a right side view of an AGV traction device of the present invention.

FIG. 5 is a schematic view of the use of an AGV traction device according to the invention.

Fig. 6 is a partial enlarged view of fig. 5.

FIG. 7 is a schematic view of a gravity stop of an AGV traction device according to the invention in a free state.

FIG. 8 is a schematic view of one of the gravity stops of an AGV traction device of the present invention in a locked condition.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

The invention is further described with reference to the following description of the drawings and detailed description.

As shown in fig. 1 to 8, an AGV traction device includes a guide block 1, a traction support 3 and a gravity stop 6, wherein the guide block 1 is fixed on the bottom surface of the traction support 3, at least two guide blocks 1 are enclosed to form a guide channel 10, a middle through hole 31 is arranged on the traction support 3, the middle through hole 31 is located in the guide channel 10, the gravity stop 1 is arranged in the middle through hole 31 and hinged with the traction support 3, the traction support 3 is arranged horizontally, the gravity stop 1 swings in the middle through hole 31, and when the gravity stop 1 is in a free state, the gravity stop 1 is obliquely arranged in the guide channel 10 under the action of gravity.

The gravity stop blocks 1 are arranged in two and front-back symmetrical mode.

When the gravity stop blocks 1 are in a free state, the two gravity stop blocks 1 are inverted in an inverted splayed shape.

The gravity stop 1 is articulated to the traction support 3 by means of a pin 2.

The traction support 3 is provided with a locking groove 32, the top end of the gravity stop block 1 is connected with a locking bolt 5, the locking bolt 5 is provided with a locking nut 11, and when the gravity stop block 1 is in a locking state, the nut 11 and the locking bolt 5 are respectively clamped at two sides of the locking groove 32.

The guide channel 10 is a front-back bidirectional horn-shaped guide channel.

The top surface of the traction support 3 is provided with a mounting block 4, and the mounting block 4 is provided with an angle limiting groove 12 for limiting the swing angle of the gravity stop block 1.

The AGV traction device further comprises a traction shaft 9, the mounting block 4 is mounted on the skip 7, the traction shaft 9 is mounted on the AGV 8, and the AGV traction device is mounted on the bottom of the skip 7 through the mounting block 4.

The invention provides an AGV traction device, which adopts a bidirectional horn-shaped guide channel and two symmetrically arranged swinging gravity stop blocks 1 to realize the requirement that a traction shaft enters the traction device in two directions, namely, the AGV can hang a skip car 7 in both forward and backward directions, and the specific working principle is as follows:

1. During butt joint, the AGV 8 drives the traction shaft 9 to enter from the guide channel 10, the gravity stop blocks 1 swing around under the pushing of the traction shaft 9, the traction shaft 9 enters between the two gravity stop blocks 1, and the gravity stop blocks 1 cannot be opened reversely due to the limitation of the angle limiting grooves 12 of the mounting blocks 4, so that the traction shaft 9 is limited between the two gravity stop blocks 1 in an inverted eight shape, as shown in fig. 7;

2. When the gravity stop block is separated, the locking bolt 5 can be pressed down to enable the gravity stop block 1 to swing to the horizontal position, the traction shaft 9 can be separated from the guide channel 10, and the gravity stop block 1 can be locked on the traction support 3 through the nut 11 and the locking bolt 5, as shown in fig. 8.

The AGV traction device provided by the invention has the following advantages:

1. The traction device has simple structural design, avoids a complex structure, and ensures the use reliability and durability of the mechanism;

2. the gravity is adopted to realize the swing of the stop block, and no extra energy is needed to be provided;

3. The traction shaft 9 of the AGV is quickly separated from the traction device when in fault through locking of the adjusting bolt;

4. The symmetrically arranged stop blocks are designed in a copying way, so that the movable space of a traction shaft 9 of the AGV is limited, and the position consistency of the skip car at each parking time is ensured;

5. The AGV traction shaft 9 is accurately guided into the traction device through the trumpet-shaped guide guarantee, so that the AGV butt joint efficiency is improved;

6. the installation mode is convenient, the installation mode can be adjusted according to the requirement, and the reconstruction cost is reduced.

The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims

1. An AGV traction device, characterized in that: the gravity check block is fixed on the bottom surface of the traction support, at least two guide blocks are enclosed to form a guide channel, a middle through hole is formed in the traction support, the middle through hole is located in the guide channel, the gravity check block is arranged in the middle through hole and hinged to the traction support, the traction support is horizontally arranged, the gravity check block swings in the middle through hole, when the gravity check block is in a free state, under the action of gravity, the gravity check block is obliquely arranged in the guide channel, the gravity check block is arranged in two and front-back symmetrical mode, when the gravity check block is in the free state, the two gravity check blocks are in an inverted eight shape, the gravity check block is hinged to the traction support through a pin, a locking groove is formed in the traction support, the top end of the gravity check block is connected with a locking bolt, and when the gravity check block is in a locking state, the locking nut and the locking bolt are respectively clamped on two sides of the locking groove.

2. The AGV traction device according to claim 1, wherein: the guide channel is a front-back bidirectional horn-shaped guide channel.

3. The AGV traction device according to claim 1, wherein: the top surface of traction support installs the installation piece, be equipped with on the installation piece restriction gravity dog swing angle's angle restriction recess.

4. The AGV traction device according to claim 3 wherein: the AGV traction device further comprises a traction shaft, the installation block is installed on the skip car, and the traction shaft is installed on the AGV car.