CN216188630U

CN216188630U - Load sharing mechanism for unmanned pallet truck

Info

Publication number: CN216188630U
Application number: CN202122726432.9U
Authority: CN
Inventors: 骆明华; 蔡卫华; 魏宇
Original assignee: Dafan Technology Jiaxing Co ltd
Current assignee: Dafan Technology Jiaxing Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-05
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to a load sharing mechanism for an unmanned pallet truck, which comprises a bearing rod and a plurality of load sharing assemblies, wherein the bearing rod is connected with a driving wheel mounting base plate through the plurality of load sharing assemblies; the load sharing assembly comprises a bearing sleeve, a spring mounting seat and a load sharing sleeve, the bearing sleeve is mounted on the chassis, and the bottom of the bearing sleeve is communicated with the chassis; the spring mounting seat is mounted on the driving wheel mounting base plate, and the spring is sleeved on the spring mounting seat; the upper end of the load sharing sleeve is hinged with the bearing rod, the lower end of the load sharing sleeve extends into the bearing seat sleeve, and the spring is located in the load sharing sleeve. This load sharing mechanism can effectively evenly carry the load of goods, reduces the load of drive wheel subassembly, has solved unbalanced problem, can stabilize the focus well, solves the focus skew.

Description

Load sharing mechanism for unmanned pallet truck

Technical Field

The utility model relates to the technical field of unmanned carrying vehicles, in particular to a load sharing mechanism for an unmanned pallet carrying vehicle.

Background

An unmanned pallet truck is a novel device for replacing a manual forklift and carrying a pallet object in an unmanned way by utilizing an autonomous navigation technology. The existing unmanned pallet truck is usually formed by adding an autonomous navigation technology improvement on the basis of the mechanical structure of the original manual forklift, the fork of the existing forklift is used for taking a transported object, the gravity center of the transported object is on the fork, and particularly the gravity center is easy to shift to cause safety accidents in the transfer process, so that a load sharing mechanism is necessary to be designed for solving the problem of unstable gravity center.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a load distributing mechanism for an unmanned pallet truck with reasonable structural design.

The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a divide and carry mechanism for unmanned tray carrier, unmanned tray carrier includes the carrier main part, the carrier main part includes the vehicle bottom dish, the drive wheel subassembly, its characterized in that are installed to the bottom both sides of vehicle bottom dish: the two load sharing mechanisms are symmetrically arranged on two sides of the chassis, driving wheel mounting bottom plates for mounting driving wheel assemblies are arranged on two sides below the chassis, and the driving wheel mounting bottom plates are connected with the chassis; the load sharing mechanism comprises a bearing rod and a plurality of load sharing assemblies, and the bearing rod is connected with the driving wheel mounting base plate through the plurality of load sharing assemblies; the load sharing assembly comprises a bearing sleeve, a spring mounting seat and a load sharing sleeve, the bearing sleeve is mounted on the chassis, and the bottom of the bearing sleeve is communicated with the chassis; the spring mounting seat is mounted on the driving wheel mounting base plate, and the spring is sleeved on the spring mounting seat; the upper end of the load sharing sleeve is hinged with the bearing rod, the lower end of the load sharing sleeve extends into the bearing seat sleeve, and the spring is located in the load sharing sleeve.

Preferably, a wear-resistant sleeve is arranged in the bearing sleeve.

Preferably, an inner positioning step is arranged in the load sharing sleeve, the top end of the spring abuts against the inner positioning step, a circle of outer positioning step is arranged at the upper part of the load sharing sleeve, and when the bearing rod moves downwards to the limit position under load, the outer positioning step abuts against the top surface of the bearing sleeve.

Compared with the prior art, the utility model has the following advantages and effects: this load sharing mechanism can effectively evenly carry the load of goods, reduces the load of drive wheel subassembly, has solved unbalanced problem, can stabilize the focus well, solves the focus skew.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic perspective view of a carrier body to which the load sharing mechanism of the present embodiment is attached.

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of fig. 3 at B.

Description of reference numerals: a carrier main body 2; a chassis 200; a drive wheel assembly 201; a C-shaped guide rail 202; a load sharing mechanism 203; a drive wheel mounting base plate 205; a support rod 2030; a bearing housing 2031; a wear sleeve 2032; a spring 2033; a spring mount 2034; a load-sharing sleeve 2035; an inner positioning step 20350; outer positioning step 20351.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

See fig. 1-4.

Fig. 1 shows a truck main body 2 provided with the load-sharing mechanism 203, the truck main body 2 further comprises a chassis 200 and a driving wheel assembly 201, and the driving wheel assembly 201 adopts a pair of differential wheels and is symmetrically arranged at two sides of the bottom of the chassis 200. In this embodiment, driving wheel mounting bottom plates 205 for mounting the driving wheel assemblies 201 are disposed on two sides of the lower portion of the vehicle chassis 200, differential wheels are mounted on the driving wheel mounting bottom plates 205, the driving wheel mounting bottom plates 205 are connected with the vehicle chassis 200, and one differential wheel is independently controlled by one motor, which refers to the prior art specifically.

Two sets of load sharing mechanisms 203 are arranged on the chassis 200 of the present embodiment and are symmetrically arranged on two sides of the chassis 200. Specifically, the load sharing mechanism 203 includes a support rod 2030 and a plurality of load sharing components, and the support rod 2030 is connected to the driving wheel mounting base plate 205 through the plurality of load sharing components. The load-sharing assembly includes a bearing sleeve 2031, a wear sleeve 2032, a spring 2033, a spring mount 2034, and a load-sharing sleeve 2035. The bearing sleeve 2031 is arranged on the vehicle chassis 200, the bottom of the bearing sleeve 2031 is communicated with the vehicle chassis 200, and the wear-resistant sleeve 2032 is arranged in the bearing sleeve 2031; the spring mount 2034 is mounted on the drive wheel mounting base 205, and the spring 2033 is fitted over the spring mount 2034. The upper end of the load-sharing sleeve 2035 is hinged to the support rod 2030, the lower end of the load-sharing sleeve 2035 extends into the bearing sleeve 2031 and contacts with the wear-resistant sleeve 2032, the spring 2033 is located inside the load-sharing sleeve 2035, an inner positioning step 20350 is arranged inside the load-sharing sleeve 2035, the top end of the spring 2033 abuts against the inner positioning step 20350, a circle of outer positioning step 20351 is arranged on the upper portion of the load-sharing sleeve 2035, and when the support rod 2030 moves downwards to an extreme position under load, the outer positioning step 20351 abuts against the top surface of the bearing sleeve 2031.

In this embodiment, the chassis 200 is provided with the C-shaped guide rails 202 that are symmetrically arranged, the top surfaces of the two C-shaped guide rails 202 are used as an object carrying platform, and in the design, it is sufficient to ensure that the C-shaped guide rails 202 have sufficient strength, and the goods are placed on the object carrying platform in the transfer process after being picked up by the unmanned pallet truck, so that when the support rods 2030 in the load distribution mechanism 203 are empty, the top surfaces of the support rods 2030 are higher than the top surfaces of the C-shaped guide rails 202, and in the process of falling on the C-shaped guide rails 202, the goods contact with the support rods 2030 first, and are uniformly distributed and loaded by the load distribution mechanism 203, and then fall on the C-shaped guide rails 202.

Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a carry mechanism of branch for unmanned pallet truck, unmanned pallet truck includes carrier main part (2), carrier main part (2) include vehicle bottom dish (200), drive wheel subassembly (201), its characterized in that are installed to the bottom both sides of vehicle bottom dish (200): the two load sharing mechanisms are symmetrically arranged on two sides of the vehicle chassis (200), driving wheel mounting bottom plates (205) used for mounting the driving wheel assemblies (201) are arranged on two sides below the vehicle chassis (200), and the driving wheel mounting bottom plates (205) are connected with the vehicle chassis (200); the load sharing mechanism (203) comprises a bearing rod (2030) and a plurality of load sharing assemblies, and the bearing rod (2030) is connected with the driving wheel mounting base plate (205) through the plurality of load sharing assemblies; the load sharing assembly comprises a bearing sleeve (2031), a spring (2033), a spring mounting seat (2034) and a load sharing sleeve (2035), wherein the bearing sleeve (2031) is mounted on a chassis (200), and the bottom of the bearing sleeve (2031) is communicated with the chassis (200); the spring mounting seat (2034) is mounted on the driving wheel mounting base plate (205), and the spring (2033) is sleeved on the spring mounting seat (2034); the upper end of the load-sharing sleeve (2035) is hinged with the bearing rod (2030), the lower end of the load-sharing sleeve (2035) extends into the bearing sleeve (2031), and the spring (2033) is positioned in the load-sharing sleeve (2035).

2. The load sharing mechanism for an automated pallet jack of claim 1, wherein: and a wear-resistant sleeve (2032) is arranged in the bearing sleeve (2031).

3. The load sharing mechanism for an automated pallet jack of claim 1, wherein: an inner positioning step (20350) is arranged in the load-sharing sleeve (2035), the top end of the spring (2033) abuts against the inner positioning step (20350), a circle of outer positioning step (20351) is arranged at the upper part of the load-sharing sleeve (2035), and when the bearing rod (2030) moves downwards to the limit position under load, the outer positioning step (20351) abuts against the top surface of the bearing sleeve (2031).