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Five-speed automatic transmission transmission mechanism

A technology of automatic transmission and transmission mechanism, which is applied in the direction of transmission device, gear transmission device, mechanical equipment, etc. It can solve the problems of large space occupied in the axial direction and large loss of belt row of friction plates, etc., and achieves small belt row loss and high mechanism efficiency , the effect of reducing the number of

Inactive Publication Date: 2016-05-04
WEIFANG XINHAI ALUMINUM TECH
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Problems solved by technology

[0004] The present invention proposes a transmission mechanism for a five-speed automatic transmission, which solves the problems of large space occupied by the axial direction of the automatic transmission and large loss of the belt row of the friction plate in the prior art

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  • Five-speed automatic transmission transmission mechanism
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Embodiment 1

[0040] Such as figure 1 As shown, it is a structural schematic view of an embodiment of the transmission mechanism of the five-speed automatic transmission of the present invention, which includes a first shafting system and a second shafting system, the shafting centerline SC1 of the first shafting system and the shafting system of the second shafting system The center line SC2 is parallel, the power input end is connected to the first shaft system, and after a series of power transformations of the transmission mechanism, the power is output from the power output end connected to the second shaft system.

[0041] This embodiment includes three planetary rows, three pairs of master-slave meshing gears, four shift elements and eleven interconnected components, so as to realize power transmission and gear exchange.

[0042]Among the three planetary rows, the first planetary row and the second planetary row are arranged on the first shaft system, and the sun gear S1 of the first...

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Abstract

The invention provides a transmission mechanism of a five-range automatic gearbox, and aims to solve the problems that the automatic gearbox is large in axial direction occupying size, and big in friction plate belt line loss in the prior art. The transmission mechanism comprises a first shafting and a second shafting which are arranged in parallel, the first shafting is connected with the power input end, and the second shafting is connected with the power output end. The five-range automatic gearbox transmission mechanism provided by the invention adopts a double shafting structure, the mechanisms are distributed on two shafts instead of being distributed on traditional one shaft, so that the length of the shaft is shortened, the interval between the housing and the vehicle body longitudinal beam is enlarged, and the five-range automatic gearbox is suitable for various vehicle engine compartment arrangement; secondly, the mechanism needs only four range changing elements (namely a first brake, a second clutch, a third clutch and a fourth clutch) to realize the five forward and one backward automatic gearbox mechanism, and range changing element number is greatly reduced; thirdly, only two range changing elements are opened when the mechanism works, so that belt line loss between the friction pieces is low, and the mechanism efficiency is high.

Description

technical field [0001] The invention relates to the technical field of automatic transmissions of automobiles, in particular to a transmission mechanism of a five-speed automatic transmission. Background technique [0002] Most modern car automatic transmissions use planetary gear mechanisms, which are composed of 2-3 rows of planetary gear mechanisms and related actuators. The single-row planetary gear mechanism is composed of a sun gear, a ring gear, and a planetary carrier, and there are planetary gears on the planetary carrier; the actuators mainly include clutches and brakes. Constraints can form different gears. [0003] Most of the previous automatic transmission schemes are single-axis multi-planet row arrangement, occupying a large axial space, which is not suitable for passenger cars with transverse power and front drive, and the casing is easy to interfere with the car longitudinal beam; More than 5 shift elements are needed to realize the automatic transmission...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/66
Inventor 刘伟刘克文
Owner WEIFANG XINHAI ALUMINUM TECH
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