Automatic transmission and automobile
A technology of automatic transmission and transmission housing, which is applied in the direction of vehicle gearbox, transmission element, transmission device, etc., can solve the problems of damage to the speed change actuator and high speed difference, so as to reduce the speed difference, prevent the speed difference from being too high, and prevent damage. Effect
Inactive Publication Date: 2017-05-03
GREAT WALL MOTOR CO LTD
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Problems solved by technology
[0005] In view of this, the present invention aims to propose an automatic transmission to solve the technical problem that the speed difference between the two ends of the transmission actuator in the existing automatic transmission is relatively high, which causes the transmission actuator to be easily damaged
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[0047] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0048] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0049] see image 3 or Figure 6 , the automatic transmission provided by the embodiment of the present invention includes: an input shaft 61 and an output shaft 62; a first planetary gear mechanism 10, and the first planetary gear mechanism 10 includes a first sun gear 11, a first planet carrier 12 and a first ring gear 13 , the first sun gear 11 is fixedly connected with the transmission housing, the first planet carrier 12 is connected with the input shaft 61 through the first clutch 53; the second planetary gear mechanism 20, the second planetary gear mechanism 20 includes the second sun gear 21, the second planetary gear mechanism 20 The second planet carrier 22 and the second rin...
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The invention provides an automatic transmission and an automobile, and aims at preventing a transmission performing element from being damaged. The automatic transmission comprises an input shaft, an output shaft, four planetary gear mechanisms and a fixed performing part, wherein a first sun gear is fixedly connected with a transmission housing; a first planetary carrier is connected with the input shaft through a first clutch; a second sun gear is connected with the input shaft through a second clutch; a second planetary carrier is fixedly connected with a first gear ring; a second gear ring is connected with the first planetary carrier through a third clutch; a third sun gear is fixedly connected with a second gear ring; a third planetary carrier is connected with the output shaft; a third gear ring is connected with the transmission housing through a first brake; a fourth sun gear is fixedly connected with the third sun gear; a fourth planetary carrier is connected with the input shaft; a fourth gear ring is connected with the third planetary carrier and the output shaft through a fourth clutch; the fixed performing part is connected with the first planetary carrier; when the fixed performing parts runs, the first planetary gear mechanism is fixed.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to an automatic transmission and an automobile. Background technique [0002] Automatic transmissions usually use components such as oil pumps, oil circuits, clutches, planetary gear mechanisms, and multiple solenoid valves to achieve automatic shifting, bringing easy and convenient driving experience to people's car driving. Currently, research and development are being carried out on an automatic transmission having a plurality of forward speeds, for example, a nine-speed transmission or a ten-speed transmission. [0003] Currently, for example, in the case of a nine-speed automatic transmission, such as figure 1 As shown, it generally includes four single-row planetary gear mechanisms and a plurality of speed change actuators (such as brakes and clutches), wherein the first sun gear 11 of the first planetary gear mechanism 10 is connected to the input shaft 61 through the fi...
Claims
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IPC IPC(8): F16H3/66
CPCF16H3/66F16H2200/0065F16H2200/2012F16H2200/2046
Inventor 樊晓磊陈晓峰李洪伟冯有慢谷邦杰
Owner GREAT WALL MOTOR CO LTD