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Frame lifting and linking device for manual carrier

A linkage device, truck technology, applied in the direction of lifting device, etc., can solve the problems of bending deformation of connecting rod assembly, heavy cargo weight, shortening the service life of truck, etc., to reduce stress deformation, stable lifting, and avoid load concentrated effect

Inactive Publication Date: 2015-12-23
SHANDONG JIANZHU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rigid link assembly relies on thrust to raise the wheel frame, and the weight of the lifted goods is large, which causes the link assembly to bend and deform, thus increasing the maintenance cost of the truck and shortening the service life of the truck

Method used

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  • Frame lifting and linking device for manual carrier
  • Frame lifting and linking device for manual carrier
  • Frame lifting and linking device for manual carrier

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] In order to better understand the improvements made by the present invention compared to the prior art, before describing the specific embodiments of the present invention in detail, the prior art manual hydraulic truck frame lifting linkage mentioned in the background technology section The structure is illustrated in conjunction with the accompanying drawings. Such as figure 1 , figure 2 As shown, the manual hydraulic truck in the prior art includes a support base 1, a hydraulic cylinder 2 arranged on the support base 1, a handle 3 connected to the hydraulic cylinder 2 and a frame top plate 4 connected to the piston rod of the hydraulic cylinder 2, the front The plate 5 is located between the top plate 4 and the fork 8, and the connecting rod assembly 7 is connected to the supporting base 1 via the rocker arm 6, wherein the rocker arm 6 is connected to the front plate 5 via a pin shaft, and the connecting rod assembly 7 is connected to the fork wheel 11 via the whee...

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Abstract

The invention discloses a frame lifting and linking device for a manual carrier. The frame lifting and linking device comprises a supporting base, a frame and a linking device body, wherein the frame is mainly composed of a fork, fork wheels, a front plate and a top plate. The fork wheels are arranged at the front end of the fork. A front plate is fixedly arranged between the fork and the top plate. A rotating pivot is arranged on the front plate. The linking device body connecting the supporting base and the frame comprises a connecting rod assembly. The pivot is sleeved with a cradle. The cradle is provided with a swing arm and a swing block. The swing arm is connected to the supporting base. A coupling head at one end of the connecting rod assembly is connected to a support plate of the fork wheels through a conversion block. A coupling head at the other end of the connecting rod assembly is connected to the swing block through a chain. The chain is meshed with an incomplete chain wheel which is fixed to the bottom end of the front plate. The stress manner of the connecting rod assembly is changed, deformation of the connecting rod assembly is reduced, and the service cycle of the whole carrier is prolonged.

Description

technical field [0001] The invention relates to a device for carrying heavy objects, in particular to a linkage device for lifting and lowering a vehicle frame in a manual transport vehicle. Background technique [0002] When handling heavy bulk goods, it is generally done with the help of mechanical loading tools, usually using forklifts. The manual hydraulic forklift in the forklift is widely used. This kind of forklift uses hydraulic pressure to lift the goods and carry the goods to move through the wheels. A manual hydraulic pallet truck is commonly used in existing manual hydraulic forklifts. The structure of this manual hydraulic pallet truck mainly includes a handle, a frame, a support seat, a hydraulic cylinder arranged on the support seat, and a piston rod connected to the hydraulic cylinder. The upper end is connected to the top plate of the frame, and the lifting of the frame needs to be driven by a hydraulic cylinder. The fork of the frame is used as a load pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F9/075
Inventor 张明勤马荣全姚玉善原政军孟宪举苗冬梅金钢韩立芳王晴靳斐
Owner SHANDONG JIANZHU UNIV
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