Mid-size vehicle speed changer with main tank and auxiliary tank

A technology for automotive transmissions and sub-transmissions, applied to components with teeth, belts/chains/gears, transmissions, etc., can solve the problems of no synchronizer in the main box, high working intensity, and difficulty in shifting gears, and achieve a compact structure , good meshing performance and large number of gears

Active Publication Date: 2010-08-11
浙江绍齿传动股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current domestic medium-sized multi-speed automotive transmissions with sub-boxes are mostly double-intermediate shaft structures. The main box has no synchronizer, which has problems such as inconvenient operation, difficult gear shifting, and high work intensity. needs

Method used

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  • Mid-size vehicle speed changer with main tank and auxiliary tank
  • Mid-size vehicle speed changer with main tank and auxiliary tank
  • Mid-size vehicle speed changer with main tank and auxiliary tank

Examples

Experimental program
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Embodiment Construction

[0015] like figure 1 As shown, the preferred embodiment of the present invention includes a main box and an auxiliary box connected to each other. The main box has a first shaft 1 as a power input, a second shaft 4 and an intermediate shaft 25 for power transmission.

[0016] The first shaft 1 is supported on the main box housing 3 through a full cylindrical roller bearing 2 with a snap ring on the outer ring. One end of the second shaft 4 is supported on the inner hole of the first shaft 1 by a needle bearing, and the other end is supported on the main box casing 3 by a cylindrical roller bearing 7 with a stop ring on the outer ring, and at the same time extends into the auxiliary box middle.

[0017] In this embodiment, the first, second, third, and fourth forward gears are provided on the second shaft 4 , which are respectively 30 , 31 , 32 , and 33 in the figure, and a reverse gear 36 . Each forward gear is vacantly sleeved on the second shaft 4 through a needle bearing....

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Abstract

The invention mainly discloses a mid-size vehicle speed changer with a main tank and an auxiliary tank. In the auxiliary tank, an epicyclic transmission structure is adopted and has a high gear and a lower gear; a locking ring type high-capacity synchronizer is adopted to shift gears and switch between a high-gear area and a low-gear area, and gear shifts are controlled by using a pneumatic gear shift mechanism; and the auxiliary tank is combined with the main tank and can form a plurality gears. The invention has the advantages of large carrying capacity, more gears, total synchronizer gear shift, speed ratio matching distribution according to a bias geometric progression, linkage operation of the main tank and the auxiliary tank, light and convenient gear shift, environmental protection, energy saving, and the like, has stronger adaptability to various working conditions and road conditions and can better meet the development requirements of domestic vehicles at present.

Description

technical field [0001] The invention relates to the technical field of automobile transmission parts, in particular to a medium-sized automobile transmission with main and auxiliary cases. Background technique [0002] The current domestic medium-sized multi-speed automotive transmissions with sub-boxes are mostly double-intermediate shaft structures. The main box has no synchronizer, which has problems such as inconvenient operation, difficult gear shifting, and high work intensity. demand. [0003] Therefore, the inventor has designed a kind of medium-sized automobile speed changer with main and auxiliary case full synchronizer gear shifting, auxiliary case planetary mechanism transmission, and this case results from this. Contents of the invention [0004] The purpose of the present invention is to provide a medium-sized automobile transmission with compact structure, multiple gears, large speed ratio range, reasonable matching, good meshing performance, low price, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/44F16H61/28
Inventor 何帮飞周华水吕令权李清周建设赵晓光
Owner 浙江绍齿传动股份有限公司
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