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An electric forklift universal cross shaft lead screw lifting gantry system

A technology of electric forklifts and cross shafts, applied in the direction of lifting devices, etc., can solve problems such as lifting and breaking of ball screws, and achieve the effects of reducing energy consumption, convenient maintenance, and low system cost

Active Publication Date: 2022-08-02
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an electric forklift universal cross-axis screw lifting mast system, which solves the problem of breaking of the ball screw lifting caused by the lateral displacement of the inner and outer masts in common electric forklifts; Realize the purpose of the forklift mast with simple structure, easy control, stable lifting, light weight and convenient maintenance

Method used

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  • An electric forklift universal cross shaft lead screw lifting gantry system
  • An electric forklift universal cross shaft lead screw lifting gantry system
  • An electric forklift universal cross shaft lead screw lifting gantry system

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Embodiment Construction

[0027] An electric forklift universal cross shaft lead screw lifting mast system, such as Figure 2 to Figure 6 shown,

[0028] It includes an inner gantry 12, an outer gantry 22, and a universal screw drive system 16. The inner gantry 12 and the outer gantry 22 are connected by an outer gantry guide roller 14 arranged on the outer gantry 22; The gantry 22 is connected with the forklift body 5 through the pitching hinged fixer 17, the pitching electric screw 6 and the gantry connecting plate 21, so as to realize the lifting and lowering of the gantry system;

[0029] The universal screw power transmission system 16 includes a top fixed bracket 13, a lifting gear motor 15, a motor end synchronous pulley 25, a screw end synchronous pulley 28, a synchronous toothed belt 27, and a universal cross shaft coupling. The assembly 31, the ball screw 32, the center shaft positioning sleeve 33 and the ball screw nut 34, the top fixing bracket 13 is arranged on the lower side of the top o...

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Abstract

An electric forklift universal cross-shaft screw lifting mast system belongs to the technical field of forklifts, and includes an inner mast, an outer mast, and a universal screw power transmission system. The inner mast and the outer mast are arranged on the outside The outer gantry guide rollers on the gantry are connected; the outer gantry is connected with the forklift body through the pitching hinge holder, the pitching electric screw rod and the gantry connecting plate; the universal screw drive system includes a top fixed connection Bracket, lifting gear motor, motor end synchronous pulley, screw end synchronous pulley, synchronous toothed belt, universal cross shaft coupling assembly, ball screw, center shaft positioning sleeve and ball screw nut. The invention solves the problem of the lifting of the ball screw due to the lateral dislocation of the inner and outer masts in common electric forklift trucks, and realizes the purpose of simple structure, easy control, stable lifting, light weight and convenient maintenance of the forklift mast.

Description

technical field [0001] The invention belongs to the technical field of forklifts, and in particular relates to an electric forklift universal cross shaft lead screw lifting mast system. Background technique [0002] At present, the gantry lifting system of common forklifts mostly adopts hydraulic ejector rod as the main lifting execution component. The hydraulic system has low transmission efficiency, high energy consumption, and many parts of the whole system. During the working process of the hydraulic system, heat, vibration and noise often occur. , leaks, etc. Although some forklifts use a motor and a lead screw instead of a hydraulic cylinder to transmit the lifting power, the lead screw is often subjected to excessive radial force due to the lateral out-of-position "knuckle" phenomenon of the inner and outer masts during load-bearing lifting work. , and then lead to screw breakage from time to time. [0003] Therefore, there is an urgent need for a new technical solu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F9/24B66F9/12B66F9/08B66F9/075
CPCB66F9/24B66F9/12B66F9/08B66F9/07504
Inventor 赵丁选王平凯巴一庆初长祥李明志孙光泽李天宇钟岭李伟建朱芮萱徐学思史丰恺
Owner JILIN UNIV
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