CN214990096U

CN214990096U - AGV lifting structure

Info

Publication number: CN214990096U
Application number: CN202120892895.XU
Authority: CN
Inventors: 洪新东; 邹湘衡; 刘虎; 粟维
Original assignee: Changsha Hengkai Intelligent Technology Co ltd
Current assignee: Changsha Hengkai Intelligent Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-03
Anticipated expiration: 2031-04-27

Abstract

The utility model provides a AGV lifting structure, lift platform, elevating system and guiding mechanism on including the base and locating it, lift platform passes through elevating system realizes the lift work, guiding mechanism makes lift platform is in the stable lift of lift during operation, elevating system includes lifting motor, shaft coupling and lift, lifting motor passes through the shaft coupling transmission is given the lift, the lift is through relative up-and-down linear motion, drives lift platform realizes lift platform's lift work. The utility model discloses mainly used solves the material lift in material transportation field, for automatic material transportation provides technical support, has simple structure, lifts reliable characteristics.

Description

AGV lifting structure

Technical Field

The utility model relates to a AGV lifts technical field, in particular to AGV (automatic Guided Vehicle) lifts structure.

Background

AGV lifting structures in the prior art are various in types, and comprise a plurality of lifters for linkage lifting, scissor fork lifting, hydraulic lifting and the like.

Linkage lifting of multiple elevators: patent CN201420453660 (a dual-drive latent lifting type AGV) discloses an AGV and a lifting structure thereof. This AGV has used 4 lifts, in order to make 4 lifts can the linkage, has used 3 redirectors and many with the connecting rod, and this structure has the structure complicacy, with high costs, multistage transmission is efficient, occupation space is big, shortcomings such as maintenance cost height.

The scissor fork type lifting: patent CN201911024685 (an AGV lifting system and lifting AGV) discloses an AGV and a lifting structure thereof. This AGV system has adopted the scissors fork to lift the structure, and this structure requires highly to the machining precision, owing to use a plurality of hinge structures, has the shortcoming that the clearance grow leads to lifting effect worsen after long-term the use.

Hydraulic lifting: patent CN201711243099 (a hydraulic lifting structure for an AGV trolley) discloses an AGV and a lifting structure thereof. The hydraulic system of hydraulic pressure lifting structure has the risk of revealing, in case reveal, can produce great influence to AGV automobile body and operational environment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a AGV lifts structure has solved among the prior art AGV lifts structure complicacy, with high costs, multistage transmission inefficiency, occupation space is big, the maintenance cost is high, the effect of lifting is poor and the technical problem that the degree of safety is not high.

In order to achieve the above object, the utility model provides a lifting structure of an AGV, which comprises a base, and a lifting platform, a lifting mechanism and a guide mechanism arranged on the base, wherein the lifting platform realizes lifting work through the lifting mechanism, the guide mechanism enables the lifting platform to stably lift during the lifting work, the lifting mechanism comprises a lifting motor, a coupler and a lifter, the lifting motor is transmitted to the lifter through the coupler, and the lifter drives the lifting platform through relative up-and-down linear motion to realize the lifting work of the lifting platform;

the guiding mechanism comprises a guiding seat arranged on the base and a platform guiding surface arranged on the side part of the lifting platform, wherein a guiding bearing is arranged on the guiding seat, and the guiding bearing is attached to the platform guiding surface.

Preferably, the rotary motion of the lifting motor is transmitted to the lifter through the coupler, and the lifter converts the rotary motion into a relative up-down linear motion.

Preferably, the shaft coupling transversely sets up relatively on the base, the shaft coupling drives through the relative horizontal rotary motion of transmission and gives the lift carries out relative up-and-down linear motion.

Preferably, the number of the guide bases is four, the guide bases are a guide base I, a guide base II, a guide base III and a guide base IV respectively, the platform guide surfaces are eight groups, two groups of platform guide surfaces are correspondingly arranged at each angular position of the lifting platform, two groups of guide bearings which are perpendicular to each other are arranged on each guide base respectively, and the eight groups of guide bearings are respectively attached to the eight platform guide surfaces.

Preferably, the guide mechanism further comprises a pull rod, two ends of the pull rod are respectively connected with the adjacent guide seats, and the movement gap between the guide bearing and the platform guide surface is controlled by controlling the length of the pull rod.

The utility model discloses can gain following beneficial effect:

the utility model discloses a single electric lift lifts, multiunit bearing guide structure. The electric lifter is arranged in the center of the lifting mechanism and plays a role in lifting; the guide structures are arranged at four corners of the structure to play a role in guiding, so that the lifting mechanism can lift stably. The material that mainly used solved the material and transported the field lifts, for automatic the transporting of material provides technical support, especially transports to the material of heavy load, overweight load, has simple structure, lifts reliable characteristics.

Drawings

Fig. 1 is a schematic structural diagram of an AGV lifting structure according to the present invention;

FIG. 2 is a schematic diagram of an AGV lifting structure according to the present invention in a low retracted state;

fig. 3 is the utility model discloses a AGV lifts structure's high-order state's of stretching out schematic diagram.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The utility model discloses to current problem, a AGV lifting structure is provided, as shown in fig. 1 and fig. 2, including base 4 and locate lifting platform 5, elevating system and guiding mechanism on it. The lifting platform 5 realizes lifting work through the lifting mechanism, and the guide mechanism enables the lifting platform 5 to stably lift during the lifting work.

The lifting mechanism comprises a lifting motor 1, a coupler 2 and a lifter 3. The lifting motor 1 is transmitted to the lifter 3 through the coupler 2, and the lifter 3 drives the lifting platform 5 through relative up-and-down linear motion to realize the lifting work of the lifting platform 5;

the guide mechanism comprises four guide seats arranged on the base 4 respectively, platform guide surfaces 5.1 arranged at four angular positions of the lifting platform 5 respectively, and

pull rods

11 and 12, wherein guide bearings 10 which are vertical to each other are arranged on the guide seats respectively, and the guide bearings 10 are attached to the platform guide surfaces 5.1 respectively.

The rotary motion of the lifting motor 1 is transmitted to the lifter 3 through the coupler 2, and the lifter 3 converts the rotary motion into relative up-down linear motion.

The coupler 2 is transversely arranged on the base 4 relatively, and the coupler 2 drives the lifter 3 to do relative up-and-down linear motion through transmitting relative transverse rotary motion.

The fixed part of lift 3 is installed at the center of base 4, and lift platform 5 is connected to the movable part (lift lead screw) of lift 3, and lift motor 1 is connected through shaft coupling 2 to the input of lift 3. The rotary motion of lifting motor 1 transmits for lift 3 through shaft coupling 2, and lift 3 turns into the up-and-down linear motion of movable part with rotary motion, and then drives lift platform 5 and realizes lift 5 and install other attached frock etc. realization lifting action on lift platform 5, and then realizes lifting of work piece on the AGV.

As shown in fig. 3, the number of the guide bases is four, the guide bases are respectively a first guide base 6, a second guide base 7, a third guide base 8 and a fourth guide base 9 which are arranged at four corners of the base, the platform guide surfaces 5.1 are eight groups, two groups of platform guide surfaces 5.1 are correspondingly arranged at each corner of the lifting platform, two groups of guide bearings 10 which are perpendicular to each other are respectively arranged on each guide base, and the eight groups of guide bearings 10 are respectively attached to the eight platform guide surfaces 5.1. So as to limit the shaking of the lifting platform 5 in the front and back direction and the left and right direction, and ensure the stable and reliable up and down lifting motion.

Two ends of the

pull rods

11 and 12 are respectively connected with the adjacent guide seats, and the movement clearance between the guide bearing 10 and the platform guide surface 5.1 is controlled by controlling the lengths of the

pull rods

11 and 12. In order to enhance the structural strength of the four groups of guide seats, the movement clearance between the guide bearing 10 and the platform guide surface 5.1 can be accurately controlled by controlling the length sizes of the

pull rods

11 and 12, and the whole structure is more reliable.

The lifting mechanism is provided with four groups of guide seats I6, II 7, III 8 and IV 9 with guide bearings 10. The key technical point enables the AGV lifting structure to be lifted reliably without shaking.

And pull

rods

11 and 12 connected with the first guide seat 6, the second guide seat 7, the third guide seat 8 and the fourth guide seat 9. The key technical point can ensure that the spaces among the first guide seat 6, the second guide seat 7, the third guide seat 8 and the fourth guide seat 9 are proper, so that the guide bearing 10 is ensured to be in good contact with the guide surface 5.1 on the lifting platform 5 without being blocked.

The utility model discloses can gain following beneficial effect:

the utility model discloses a single lifting motor 1 drives lift 3 and lifts, multiunit direction bearing 10 guide structure. The electric lifter 3 is arranged at the center of the lifting mechanism and plays a lifting role; the guide structures are arranged at four corners of the structure to play a role in guiding, so that the lifting mechanism can lift stably. The material that mainly used solved the material and transported the field lifts, for automatic the transporting of material provides technical support, especially transports to the material of heavy load, overweight load, has simple structure, lifts reliable characteristics.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The AGV lifting structure is characterized by comprising a base (4) and a lifting platform (5), a lifting mechanism and a guide mechanism which are arranged on the base, wherein the lifting platform (5) realizes lifting work through the lifting mechanism, the guide mechanism enables the lifting platform (5) to stably lift during the lifting work, the lifting mechanism comprises a lifting motor (1), a coupler (2) and a lifter (3), the lifting motor (1) transmits the lifter (3) through the coupler (2), and the lifter (3) drives the lifting platform (5) through relative up-and-down linear motion to realize the lifting work of the lifting platform (5);

guiding mechanism is including locating the guide holder of base (4) and locating platform spigot surface (5.1) of lift platform (5) lateral part, install direction bearing (10) on the guide holder, direction bearing (10) with the laminating of platform spigot surface (5.1) sets up.

2. AGV lifting structure according to claim 1, characterised in that the rotational movement of the lifting motor (1) is transmitted to the elevator (3) via the coupling (2), which elevator (3) converts the rotational movement into a relatively straight up and down movement.

3. An AGV lifting structure according to claim 1 wherein said coupling (2) is laterally disposed relative to said base (4), said coupling (2) being driven by a drive to move in a linear motion relative to said lift (3) in a vertical direction.

4. An AGV lifting structure according to claim 1, wherein the number of the guide seats is four, namely a first guide seat (6), a second guide seat (7), a third guide seat (8) and a fourth guide seat (9), the platform guide surfaces (5.1) are eight groups, two groups of platform guide surfaces (5.1) are correspondingly arranged at each angular position of the lifting platform, two groups of guide bearings (10) which are perpendicular to each other are respectively arranged on each guide seat, and the eight groups of guide bearings (10) are respectively attached to the eight platform guide surfaces (5.1).

5. AGV lifting structure according to claim 1, characterised in that the guiding mechanism further comprises a pull rod (11, 12), the two ends of the pull rod (11, 12) are connected to the adjacent guiding seats respectively, and the length of the pull rod (11, 12) is controlled to control the movement gap between the guiding bearing (10) and the platform guiding surface (5.1).