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Transmission structure of electric fork truck

A technology of electric forklift and transmission structure, which is applied to vehicle parts, control devices, transportation and packaging, etc. It can solve the problems of high procurement cost and high requirements, and achieve the effect of price reduction, motor, frequency converter and controller simplification

Inactive Publication Date: 2014-10-08
ZHEJIANG ZHONGCHAI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, domestic electric forklifts use reducers to transmit power between the motor and drive axle, which requires higher requirements for forklift motors, frequency converters and controllers. Due to the high procurement costs of motors, frequency converters and controllers, the price of electric forklifts is far away. Much larger than internal combustion forklifts

Method used

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  • Transmission structure of electric fork truck
  • Transmission structure of electric fork truck
  • Transmission structure of electric fork truck

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] Example: see Figures 1 to 3 As shown, the transmission structure of the electric forklift includes the motor 1 and the gearbox 3 of the electric forklift, and the structure of the transition connection device 2 is that the connection plate 21, the transition box body 22 and the housing of the motor 1 are fixed and connected together by bolts, The outer rings of the first bearing 23 and the second bearing 25 are fixed on the inner wall of the transition box 22, the inner rings of the first bearing 23 and the second bearing 25 are fixed together with the input shaft 24, and the input shaft 24 is connected with the rotating shaft of the motor 1 fixed together;

[0017] The inner wall of the transition box 22 is formed with a first box step 221 and a second box step 222, the outer ring of the first bearing 23 is pressed on the first box step 221, and the outer ring of the second bearing 25 is pressed on the second step. On the second box body step 222, an input shaft step...

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PUM

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Abstract

The invention relates to a transmission structure of an electric fork truck. A connecting plate is fixedly connected together with a transitional box body and the casing of a motor through bolts, and an input shaft is fixed together with the rotating shaft of the motor; the input shaft is sleeved with a liner in an inserting manner, the liner presses the inner ring of a second bearing, and a gland is fixed on the transitional box body through a bolt; a flywheel plate inserting slot is formed in the inner wall of a flywheel, a square flat key insertion slot is formed in the input shaft, a flat key adopts a columnar cuboid and is inserted into the flywheel plate slot and the flat key insertion slot in an inserting manner; an adjusting cushion presses the left end surface of the flywheel, the right end surface of the flywheel plate presses the liner, a shaft-use retainer ring is clamped into a matched ring slot in the input shaft and presses the adjusting cushion, and the flywheel plate and the input shaft of the clutch in a gearbox are fixed together. A transitional device similar to a flywheel plate of an engine is adopted between the motor and the gearbox, so that the motor and the gearbox of the electric fork truck are smoothly connected for power transmission, so that the price of the electric fork truck is lowered.

Description

Technical field: [0001] The invention relates to the technical field of electric forklifts, and more specifically relates to a transmission structure of electric forklifts. Background technique: [0002] At present, domestic electric forklifts use reducers to transmit power between the motor and drive axle, which requires higher requirements for forklift motors, frequency converters and controllers. Due to the high procurement costs of motors, frequency converters and controllers, the price of electric forklifts is far away. Much larger than internal combustion forklifts. Invention content: [0003] The object of the present invention is to address the deficiencies of the prior art, and provide a transmission structure for an electric forklift, which realizes speed change through a mechanical shift gearbox, and adopts a transition device similar to an engine flywheel between the motor and the gearbox, so that the electric forklift The motor and gearbox are smoothly connec...

Claims

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Application Information

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IPC IPC(8): B60K17/06
Inventor 何孟兴梁毅锋孙天明徐锦潮甄一伟潘路峰
Owner ZHEJIANG ZHONGCHAI MACHINERY
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