Mechanical double-overrunning clutch main shaft outputting adaptive automatic transmission high speed motor wheel chair hub

Abstract

The invention discloses a mechanical double-overrunning clutch main shaft outputting adaptive automatic transmission high speed motor wheel chair hub. A reverse gear mechanism has a transmission ratioI which transmits a reverse gear power from an auxiliary shaft to a main shaft, a low gear transmission mechanism has a transmission ration II which transmits a low gear power from the auxiliary shaft to the main shaft, and the transmission ratio I is greater than or equal to the transmission ratio II. According to the mechanical double-overrunning clutch main shaft outputting adaptive automatictransmission high speed motor wheel chair hub, reasonable cooperation of two overrunning clutches is utilized, reasonable set of the transmission ratios are realized on the reverse gear structure andthe low gear mechanism, so that the overall structure is simple and compact, a transmission line is shared by reverse gear transmission, low gear transmission and fast gear transmission, and no interference is produced, the overall performance of the mechanical adaptive automatic transmission provided by the invention is ensured, the adaptive capacity is relatively strong, the cooperation with theadaptive automatic transmission mechanism is smooth and natural, the mechanical adaptive automatic transmission is applicable to the field of electric cars, meanwhile, a reducing input structure is utilized, the mechanical adaptive automatic transmission is suitable for power input of the high speed motor, and the overall efficiency is improved.

Description

technical field [0001] The invention relates to a motor vehicle transmission, in particular to a self-adaptive automatic variable speed high-speed electric wheel hub output by a mechanical double overrunning clutch main shaft. Background technique [0002] The working conditions of mechanical transmission systems are generally complex, and torque needs to be distributed to realize the transmission of different loads and speeds. Taking electric vehicles as an example, the driving environment is complex and changeable. Moreover, the electric drive method commonly used in existing electric vehicles is a motor-driven fixed-speed ratio, and the reasonable range of high efficiency is narrow and limited, resulting in a vicious circle, resulting in the following problems: [0003] 1. It can only work within the torque range of a certain working condition. [0004] 2. In order to meet the road conditions under the condition of constant speed ratio, the speed of the motor can only be...

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Problems solved by technology

[0014] In view of this, the purpose of the present invention is to provide a mechanical double overrunning clutch main shaft output adaptive automatic variable speed high-speed electric hub, adding a reverse gear mechanism with strong adaptability, the device can not only adapt to changes in driving resistance without cutting off the drive It can automatically shift gears and change gears under severe conditions, and can solve the problem of high-efficiency road forward and reverse driving under complex conditions under two-way driving conditions, and the setting is simple and compact, and it cooperates with the cam adaptive automatic transmission mechanism Smooth and natural, reducing manufacturing costs and ensuring the stability of transmission

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