Double overrunning clutch mechanical shaft end output self-adaptive automatic speed change main shaft assembly

Abstract

The invention discloses a double overrunning clutch mechanical shaft end output self-adaptive automatic speed change main shaft assembly. The double overrunning clutch mechanical shaft end output self-adaptive automatic speed change main shaft assembly comprises a speed change system, a shaft sleeve and a third shaft, wherein the speed change system comprises a low-gear transmission mechanism, a reverse-gear transmission mechanism and an self-adaptive speed change assembly; and the reverse-gear mechanism has a transmission ratio I which transfers reverse-gear power from an auxiliary shaft to amain shaft, the low-gear transmission mechanism has a transmission ratio II which transfers low-gear power from the auxiliary shaft to the main shaft, the transmission ratio I is greater than or equal to the transmission ratio II, and the power is output through a power output shaft. According to the double overrunning clutch mechanical shaft end output self-adaptive automatic speed change main shaft assembly, by using the reasonable coordination of two overrunning clutches, the transmission ratios are reasonably set, so that the overall structure is simple and compact, reverse-gear transmission and low-gear transmission share a transmission route without interference, so that the overall performance is ensured, the transmission shaft sleeve is used and outputting is carried out through the third shaft, and the double overrunning clutch mechanical shaft end output self-adaptive automatic speed change main shaft assembly is applied to the field of electric vehicles, and is applied to the field of other mechanical transmission with variable torques; and meanwhile, the shaft sleeve output can further ensure a large output torque.

Description

technical field [0001] The invention relates to a transmission, in particular to a double overrunning clutch mechanical shaft end output self-adaptive automatic speed change main shaft assembly. 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 increased, which increases the ...

AI Technical Summary

Problems solved by technology

[0014] In view of this, the object of the present invention is to provide a double overrunning clutch mechanical shaft end output self-adaptive automatic transmission spindle assembly, 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

Images