Power drive system and vehicle with same

Abstract

The invention discloses a power drive system and a vehicle. The power drive system comprises a differential, a power output shaft, a plurality of input shafts and a first electric motor generator; the differential comprises a first planet carrier, a second planet carrier, a first planet wheel, a second planet wheel, a first gear ring and a second gear ring, the first planet wheel is arranged on the first planet carrier, the second planet wheel is arranged on the second planet carrier, the first planet wheel is engaged with the first gear ring, the second planet wheel is engaged with the second gear ring, and the second planet wheel is further engaged with the first planet wheel; the power output shaft is arranged to be linked with the power input end of the differential; one input shaft of the multiple input shafts is arranged to be selectively linked with the power output shaft, and the remaining input shafts are arranged to be linked with the power output shaft; the first electric motor generator is arranged to be linked with one input shaft. According to the differential of the power drive system, the planet differential principle is used for achieving the differential function, and the structure is compact and simple.

Description

technical field [0001] The invention relates to a power drive system for a vehicle, a vehicle with the power drive system. Background technique [0002] In a kind of differential gear technology that the inventor understands, differential gear comprises the driven gear of final reducer (main reduction and driven gear), planetary gear, sun gear etc., and planetary gear is installed on slave gear by square shaft, bushing. The sub-plate of the movable gear is meshed with the center wheel, and its rotation and movement functions are realized by the rotating pair and the planar moving pair. moment purpose. This kind of differential cancels the original left and right differential housings, planetary gear shafts and other components, and uses square shafts and bushings to directly install the planetary gears on the sub-plate of the driven gear of the main reducer, effectively The number of parts of the differential is reduced, the structure is simplified and the weight is reduce...

AI Technical Summary

Problems solved by technology

[0003] However, this differential uses a symmetrical bevel gear structure to realize the inter-wheel differential, which is only a partial innovation for the traditional symmetrical bevel gear differential, and cannot really solve the problem that the axial size of this differential structure is too large , shell and bevel gear mass and the shortcomings of relative deviation of reliability

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