Full-floating drive axle for electric sightseeing bus or electric cargo truck

Abstract

The invention discloses a full-floating drive axle for an electric sightseeing bus or an electric cargo truck, which comprises a reducer, an axle shell and a half shaft, wherein the reducer is connected with the axle shell by a bolt; a shaft I and a shaft II are arranged on the two sides of the inside of the reducer box of the reducer in turn; the outer end of the shaft II is meshed with a wheel which drives a differential mechanism shell on one side to rotate; the outer side of the shaft I is connected with the gear II through a connecting shaft and then is connected with a key on the shaft II; and the axle shell is formed by welding an axle shell middle section, an axle shell cover, a sleeve and a flange shaft. The invention has the advantages that: a full-floating structure is adopted; the half shaft only bears a torque but not bear a bending moment; the bearing capacity is improved; the drive axle is applicable to electric vehicles of which the rear axle load is less than 1.2 tons; a two-stage open type helical gear reduction mechanism is arranged in the reducer; and various speed ratio can be designed by regulating the tooth number, modulus, helical angle and modification coefficient of the gear for meeting the speed ratio requirements of various vehicles.

Description

technical field [0001] The invention relates to an electric vehicle drive axle mechanism, in particular to a full floating drive axle for electric sightseeing cars and electric trucks. Background technique [0002] At present, the electric axles produced and sold on the market mainly use semi-floating rear axles. The half axle bears both torque and bending moment, which greatly limits its carrying capacity. If it is barely used in some occasions that require a large load, There may be some serious safety accidents. Contents of the invention [0003] In view of the above defects, the object of the present invention is to provide a full floating drive axle for electric sightseeing cars and electric trucks with low noise, compact appearance, strong versatility and high safety factor, so that the same type of box can The body can be assembled with different gears and finally achieve the purpose of different speed ratios. [0004] To achieve the above object, the present inve...

AI Technical Summary

Problems solved by technology

[0002] At present, the electric axles produced and sold on the market mainly use semi-floating rear axles. The half-axle bears both torque and bending moment, which greatly limits its carrying capacity. If it is barely used in some occasions that require a large load, It may cause some serious safety accidents

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