A dual-clutch automatic transmission

Abstract

The invention discloses a double-clutch automatic gearbox having a relatively long service life. The left side and the right side of odd-number and even-number gear input subshafts are fixed on left end bearings and right end bearings of the odd-number and even-number gear input subshafts; the left end is in releasable connection with a first clutch and a second clutch, respectively; a reverse gear driving gear, a second gear driving gear, a fourth gear driving gear and a sixth gear driving gear are arranged on the from left to right of the even-number gear input subshaft in a sleeving manner and are arranged between the left end bearing and the right end bearing of the even-number gear input subshaft; a first gear driven gear, a reverse gear driven gear, a second-third gear driven gear, a fourth-fifth gear driven gear and the sixth gear driven gear are fixed on an output shaft from the left to right and are positioned between a left end bearing and a right end bearing of the output shaft; a second reverse gear synchronizer is positioned between the reverse gear and the second gear driving gear; a gear sleeve of the second reverse gear synchronizer is fixed together with the radial direction of the even-number gear input subshaft; the reverse gear of the second reverse gear synchronizer and a second reverse gear ring are connected with the reverse gear driving gear and the second gear driving gear; a first-third gear synchronizer is positioned between the first gear driving gear and the third gear driving gear; a gear sleeve of the first-third gear synchronizer is fixed together with the radial direction of the odd-number gear input subshaft; a first gear gear ring and a third gear gear ring of the first-third gear synchronizer are connected with the first gear driving gear and the third gear driving gear.

Description

technical field [0001] The invention relates to an automobile transmission, in particular to a dual-clutch automatic transmission. Background technique [0002] The application number is 201110077962.3, and the application date is 2011-03-30, which discloses a three-shaft dual-clutch transmission, which includes two clutches, two input shafts, and one output shaft, and the power is driven by the engine through gear transmission or Two clutches are driven by belt transmission, and the two clutches are respectively connected to the corresponding input shafts. One input shaft is arranged with an odd-numbered driving gear set, and the other input shaft is arranged with an even-numbered driving gear set; The driving gear set, the driving gears of the two input shafts share the corresponding driven gear, the reverse driving gear is set on one of the input shafts, the reverse driven gear is set on the other input shaft, and the reverse driving gear is set on the other input shaft. ...

AI Technical Summary

Problems solved by technology

The reverse drive gear is arranged in the middle of the first input shaft, and the reverse driven gear is arranged in the middle of the second input shaft. When the reverse gear is loaded, the rigidity of the first input shaft and the second input shaft is relatively poor. The bending deformation of the second input shaft is large, and the life of the supporting bearings of the first input shaft and the second input shaft is poor

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