Novel pure electric speed reduction box

Abstract

The invention relates to a novel pure electric speed reduction box. The novel pure electric speed reduction box comprises a speed reduction box shell body, the speed reduction box shell body comprisesa speed reduction box front shell and a speed reduction box end cover which are matched with each other, the speed reduction box front shell and the speed reduction box end cover jointly form a cavity for a transmission component to be installed and work after being combined, the transmission component comprises an output shaft, an input shaft and a planetary mechanism, the planetary mechanism comprises a sun wheel with an outer tooth structure and a tooth ring with an inner tooth structure which are coaxially arranged, a plurality of planetary wheels engaged with the outer tooth structure ofthe sun wheel and the inner tooth structure of the tooth ring are arranged between the sun wheel and the tooth ring, the end portions of all the planetary wheels are connected through a planetary rack to realize linkage, the planetary rack and the output shaft are integrally molded, and the sun wheel is connected with the input shaft. The novel pure electric speed reduction box has the advantagesthat by means of the manner that the planetary rack and the output shaft are molded in an integrated manner, the coaxial precision of the planetary rack and the output shaft can be effectively guaranteed, coaxial deviation is avoided, and the machining precision and assembly precision requirements are also lowered.

Description

technical field [0001] The invention relates to the field of auto parts processing, specifically a novel pure electric reduction box. Background technique [0002] Planetary gear reducer is also called planetary reducer, servo reducer. In the reducer family, planetary reducers are widely used in servo motors, stepping motors, DC motors and other transmission systems due to their small size, high transmission efficiency, wide deceleration range, and high precision. Its function is to reduce the rotational speed, increase the torque and reduce the moment of inertia ratio of the load / motor under the premise of ensuring precision transmission. [0003] For example, in the patent CN108019472A, a planetary reducer is mentioned. The right end of the box is fixed with an end cover, and the center of the inner end surface of the end cover is fixed with a fixed gear; the middle part of the inner cavity of the box passes through the third bearing, the second The four bearings are equ...

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