The invention discloses an electric autombile driving axle with a crank arm bearing beam structure. The electric autombile driving axle comprises brake assemblies, a left ball cage drive shaft assembly, a right ball cage drive shaft assembly, a speed reducer and a crank arm bearing beam assembly, wherein the speed reducer is connected with a motor; the two sides of the lower part of the speed reducer are respectively connected with the left ball cage drive shaft assembly and the right ball cage drive shaft assembly; the outer ends of the left ball cage drive shaft assembly and the right ball cage drive shaft assembly are respectively connected with the brake assemblies on the two sides; and through tapered roller bearings, the brake assemblies on the two sides are connected with the crank arm bearing beam assembly positioned under the speed reducer. According to the invention, as the motor and the speed reducer of the electric automobile driving axle can be fixed on an automobile chassis, the unsprung mass is effectively reduced, the bearing performance of the automobile is improved, the response time of a suspension system is prolonged, the load of the driving axle is reduced, and the comfort of the electric automobile and the safety of the automobile in the driving process are enhanced. The electric autombile driving axle with the crank arm bearing beam structure, disclosed by the invention, has the advantages of long service life, convenient assembling, convenient maintenance and replacement, less noise and the like.
Electric autombile driving axle with crank arm bearing beam structure
2016-01-27
Patent
Electronic Resource
English
STRUCTURE AVANT D'UN VEHICULE AUTOMBILE A VOIE BASSE POUR CHOC PIETON
European Patent Office | 2021
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