Embedded dual-layer rolling harmonious reducer

Abstract

The invention relates to an embedded dual-layer rolling harmonious reducer which comprises an input end assembly and is characterized in that a connecting shaft is sleeved on the periphery of the input end assembly, and inner layer external gears are connected to the periphery of the connecting shaft through an inner layer internal gear assembly. Meanwhile, a bearing assembly is sleeved on the peripheries of the inner layer external gears, an accommodating space is arranged at the middle section of the bearing assembly, an outer layer internal gear assembly is sleeved on the periphery of the accommodating space, and outer layer external gears are sleeved on the periphery of the outer layer internal gear assembly. Therefore, through meshing of two gears with a position difference of 180 DEG, the embedded dual-layer rolling harmonious reducer obtains the output of two times of torque compared with that of the single-layer rolling harmonious reducer, has more balance of couple and more stable output of the integral structure, and works more stably. Meanwhile, the inner layer external gears are used for dual cylinders to be meshed with the outer layer external gears, so that embedded dual-layer rolling harmonious reducer has more compact structure, higher precision, higher rigidity and difficulty in damage.

Description

technical field [0001] The invention relates to a speed reducer, in particular to a mosaic double-layer rolling harmonic speed reducer. Background technique [0002] Rolling harmonic reducer (Rolling Harmonious Reducer) referred to as RH reducer. After repeated trials and tests, the circular movement of the small cylinder in the inner wheel cavity can realize the differential meshing of the inner and outer gears, and make them move, so as to mesh with the outer wheel. Because every time the small cylinder turns a full circle, the corresponding point reaches an extreme value, that is, one tooth moves, so as to achieve the effect of deceleration. [0003] However, the existing rolling harmonic reducer has a low matching degree and unstable output, which leads to unstable working conditions as a whole. Furthermore, the rigidity of the overall parts is small, which affects the service life of the bearings in the reducer. Contents of the invention [0004] The object of the ...

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Problems solved by technology

[0003] However, the existing rolling harmonic reducer has a low degree of fit and unstable output, resulting in unstable overall wor

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