In the micro machine, not only the micro transmission device that can transmit power - micro planetary gear reducer is needed, but also the micro planetary gear reducer with its own power drive device is needed. In other words, the micro machine needs a compact gear transmission device composed of a micro motor and a micro planetary gear reducer unit, so that it can drive and decelerate.
Therefore, the electromechanical gear transmission device with the above functions is characterized by: the input shaft and output shaft of this micro planetary reducer are coaxial, and the motor shaft should be tightly connected with its load.
In structure, the motor shaft can be connected with the input of the planetary gear reducer, that is, the motor shaft and the gear shaft of sun gear a are located on the same main shaft line and connected with each other. The output shaft of the planetary gear reducer (integrated with the internal gear e) is the output shaft of the combination, which constitutes an internal gear transmission device that combines the motor and the planetary gear reducer.
It can also be said that the motor and planetary gear reducer are integrated into a low-speed motor, and its output shaft can be directly connected with the working machine. Nowadays, the key problem is that in order to make the micro planetary gear reducer with motor practical, it is necessary to have a micro motor with good performance and practicality that is similar to the size of the micro planetary gear reducer.
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