A variable speed transmission device for a vehicle

A technology of variable speed transmission and vehicle, applied in transmission, transmission control, fluid transmission, etc., can solve problems such as low transmission efficiency

Active Publication Date: 2020-05-19
HEFEI UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the hydraulic transmission system, the pressure oil is used as the energy carrier between the hydraulic pump and the hydraulic motor, and the power is transmitted through the pipeline connecting the two, which has the advantages of high transmission power density, high flexibility of system structure layout, simple transmission control and convenient Realize the characteristics of continuously variable transmission, but the transmission efficiency of hydraulic transmission is relatively low compared with mechanical transmission

Method used

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  • A variable speed transmission device for a vehicle
  • A variable speed transmission device for a vehicle
  • A variable speed transmission device for a vehicle

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Embodiment Construction

[0026] The present invention will be further described by describing the embodiments below in conjunction with the accompanying drawings.

[0027] see figure 1 As shown, the present embodiment provides a transmission device for a vehicle, which is composed of a mechanical transmission module MT, a hydraulic transmission module HT and a device housing KT.

[0028] Among them, the mechanical transmission module MT includes the first shaft Z1, the second shaft Z2, the third shaft Z3, the transfer gear C1, the second shaft driven gear C2, the low gear driving gear C3, the high gear driving gear C4, the third shaft Driven gear C7, low gear driven gear C8, high gear driven gear C9 and first adapter J1, low gear clutch L1, high gear clutch L2.

[0029]The first shaft Z1 is the power input shaft of the speed change transmission device, on which the transfer gear C1 is fixed in turn, and the first adapter J1 is sleeved; the first adapter J1 rotates synchronously with the first shaft Z...

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Abstract

The invention discloses a speed transforming transmission device for vehicles. The speed transforming transmission device for the vehicles comprises a mechanical transmission module, a hydraulic transmission module and a device shell; the mechanical transmission module comprises a first shaft, a second shaft, a third shaft, a transfer gear, a second shaft driven gear, a low gear driving gear, a high gear driving gear, a third driven gear, a low gear driven gear, a high gear driven gear, a first adaptor, a low gear clutch and a high gear clutch; the hydraulic transmission module comprises a hydraulic pump, a pump shaft, a pump shaft gear, a hydraulic motor, a motor shaft, a motor shaft first gear, a motor shaft second gear and a second adaptor; and through the mutual operation of the mechanical transmission module and the hydraulic transmission module, when speed transforming transmission is realized, speed transforming transmission requirements of three transmission modes of pure mechanical transmission, pure hydraulic transmission and hydraulic and mechanical series connection composite transmission can be realized, so that the speed transforming transmission process has the characteristics of both having mechanical transmission and hydraulic transmission to adapt the speed transforming transmission requirements of different types of the vehicles.

Description

technical field [0001] The present invention relates to a transmission, in particular to a variable speed transmission for a vehicle. Background technique [0002] The variable speed transmission has various structures and adopts different power transmission methods, but at present, mechanical and hydraulic transmission methods are the most common. [0003] Mechanical transmission utilizes a system consisting of various mechanical components to transmit power. Mechanical transmission has the characteristics of high transmission reliability, high efficiency, and can realize stepped or continuously variable transmission. However, the mechanical transmission system has a low degree of flexibility in structural layout, and it is easy to cause transmission instability and a sharp drop in transmission efficiency when performing mechanical stepless transmission. And other issues. [0004] Hydraulic transmission is the use of a system consisting of hydraulic pumps, hydraulic motor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H47/02F16H61/30
Inventor 孙保群汪韶杰盛楠夏光严正峰
Owner HEFEI UNIV OF TECH
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