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Transmission with two clutches and two intermediate shafts

A technology of double intermediate shafts and double clutches is applied in the directions of transmission parts, gear transmissions, belts/chains/gears, etc., to achieve the effect of simplifying complex structures, optimizing assembly manufacturability and simple structure

Inactive Publication Date: 2014-06-18
HEFEI UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems existing in the existing transmissions for heavy vehicles, the present invention provides a transmission with dual clutches and double countershafts

Method used

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  • Transmission with two clutches and two intermediate shafts
  • Transmission with two clutches and two intermediate shafts
  • Transmission with two clutches and two intermediate shafts

Examples

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Embodiment Construction

[0020] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.

[0021] see figure 1 , the transmission with dual-clutch dual-intermediate shafts includes a main input shaft 1, an output shaft 6, a first intermediate shaft 5, a second intermediate shaft 7, and a dual-clutch 2; the output shaft 6 is sequentially provided with a fifth-gear driven Gear 12, fourth gear driven gear 14, third gear driven gear 17, second gear driven gear 20, first gear driven gear 21 and reverse gear driven gear 24, wherein fifth gear driven gear 12 and fourth gear driven gear The output shaft 6 between the gears 14 is provided with a third synchronizer 33, the output shaft 6 between the third gear driven gear 17 and the second gear driven gear 20 is provided with a second synchronizer 30, and the first gear driven gear 21 and the output shaft 6 between the reverse driven gear 24 is provided with a first synchronizer 25; the first...

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Abstract

The invention relates to a transmission with two clutches and two intermediate shafts. The transmission comprises the two clutches, a solid input shaft, a hollow input shaft, the two intermediate shafts and an output shaft, wherein the left ends of the coaxially designed solid input shaft and hollow input shaft are respectively connected with the two clutches, the right ends of the solid input shaft and the hollow input shaft are respectively connected with normally engaged gears in the transmission, the transmission has twelve speed states comprising five low-speed forward gears, five high-speed forward gears and two reverse gears, driving gears connected with the solid input shaft are simultaneously engaged with corresponding driven gears on the two intermediate shafts with relatively small transmission degree for forming the five high-speed forward gears and a high-speed reverse gear of the transmission, and driving gears connected with the hollow input shaft are simultaneously engaged with corresponding driven gears on the two intermediate shafts with relatively large transmission degree for forming the five speed-speed forward gears and a low-speed reverse gear of the transmission. An auxiliary box of the existing transmission with two intermediate shafts is omitted, the structure of the transmission is more compact, the axial size of the whole transmission is reduced, and the weight of the main body of the transmission is reduced by 5%-20%.

Description

technical field [0001] The invention belongs to the technical field of automobile transmissions, in particular to a transmission for heavy vehicles. Background technique [0002] Heavy-duty vehicles are heavy and require a greater cargo capacity, and the working environment is often complex and harsh. With the development of high-power heavy-duty vehicles, in order to better meet the requirements of matching with the engine and the vehicle's power performance and climbing, and continuously reduce fuel consumption and improve efficiency, its transmission is also moving towards multi-gear, high-speed Develop in the direction of ratio and small difference. Studies have shown that expanding the transmission ratio range and increasing the number of transmission gears can make heavy-duty vehicles have good power, economy and comfort. At present, double countershaft transmissions are mostly used in China. This transmission is divided into two parts: main gearbox and auxiliary gea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/093F16H3/12F16H57/023
CPCF16H3/093F16H3/12F16H2003/0936
Inventor 黄康夏公川赵韩陈祥朱晓慧张祖芳
Owner HEFEI UNIV OF TECH
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