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Automatic speed changing device

A technology of automatic speed change device and gear mechanism, which is applied in the direction of transmission device, gear transmission device, belt/chain/gear, etc. Simple and reasonable effect

Pending Publication Date: 2019-01-18
JIANGMEN RUICINENG MECHANICAL & ELECTRIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in order to achieve different speed change effects, most transmission devices are generally equipped with relatively complicated structures, resulting in the situation that the transmission device is bulky and the transmission efficiency is not high.

Method used

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Examples

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Embodiment Construction

[0022] refer to figure 1 , one embodiment of the present invention provides an automatic transmission, including a casing 19, an input shaft 1 and an output shaft 17 whose axes coincide, a central sun gear 16 sleeved on the output shaft 17, and a central sun gear sleeved on the central sun gear 16. The front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism, the input shaft 1 and the output shaft 17 are respectively installed on the casing 19 through the first bearing 18, the front row planetary gear mechanism and The input shaft 1 is connected, the middle row planetary gear mechanism is connected with the front row planetary gear mechanism through the first clutch 5 , and the rear row planetary gear mechanism is connected with the output shaft 17 through the second clutch 15 .

[0023] In this embodiment, the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear...

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Abstract

The invention discloses an automatic speed changing device. The device comprises a shell, an input shaft, an output shaft, a central sun gear sleeving the output shaft, a planetary gear mechanism in the front row, a planetary gear mechanism in the middle row and a planetary gear mechanism in the back row, wherein the axes of the input shaft and the output shaft coincide, and the planetary gear mechanism in the front row, the planetary gear mechanism in the middle row and the planetary gear mechanism in the back row sleeve the central sun gear; the input shaft and the output shaft are separately installed on the shell through first bearings, the planetary gear mechanism in the front row is connected with the input shaft, the planetary gear mechanism in the middle row is connected with the planetary gear mechanism in the front row through a first clutch, and the planetary gear mechanism in the back row is connected with the output shaft through a second clutch; the output at different gear ratios from the input shaft to the output shaft can be achieved, the structure is simple and reasonable, components are compact, the transmission efficiency is high, and the output at different reduction ratios is achieved.

Description

technical field [0001] The invention relates to the field of transmission devices, in particular to an automatic transmission device. Background technique [0002] At this stage, speed change devices are widely used in machine tools, motor vehicles and other machines or transmission systems that require speed change. Taking motor vehicles as an example, in the motor vehicle manufacturing industry, the speed change device is one of the most important components in the motor vehicle transmission system. The transmission device of a motor vehicle is to change the torque of the engine crankshaft by changing the transmission ratio, so as to adapt to the different needs of the traction force of the driving wheels and the speed of the vehicle under different driving conditions such as starting, accelerating, driving, and overcoming various road obstacles. [0003] At present, in order to achieve different speed changing effects, most transmission devices are generally equipped wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/44
CPCF16H3/44
Inventor 秦振伟
Owner JIANGMEN RUICINENG MECHANICAL & ELECTRIC TECH CO LTD
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