Cycloid speed-reducing device of rocket launching movable platform

Abstract

The invention relates to the technical field of speed reducers, in particular to a cycloid speed-reducing device of a rocket launching movable platform, which is characterized in that the cycloid speed-reducing device is a two-stage speed-reducing device comprising a bevel gear pair and a cycloid transmission, wherein (A) the cycloid transmission comprises a base, an output shaft, a supporting bearing, a cycloid gear, an eccentric bearing, a needle-tooth shell, a needle-tooth pin, a front base, an input shaft and an W output mechanism, wherein an input shaft is supported on an inner hole of the front base by bearings, the shaft-extension end of the input shaft is connected with the eccentric bearing, and the input end is connected with a large bevel gear; the front stand is sequentially connected with the needle-tooth shell and the base; the output shaft is supported on the inner hole of the base by the bearings; and (B) two symmetrical small bevel gear shafts meshed with the large bevel gear are both supported in a box wall hole of the front base by the bearings, wherein one small bevel gear shaft is connected with a motor, and the other small bevel gear shaft is connected with amanually-operated handle. The cycloid speed-reducing device has the advantages of two-stage speed reduction, short axial size, light weight and high quantization; in addition, as cycloid gear teeth and semi-buried teeth are continuous, the cycloid speed-reducing device has larger bearing capacity than that of a planetary transmission with only four planet gears; moreover, the cost of the cycloid speed-reducing device is lowered by 40%-55%.

Description

【Technical field】 [0001] The invention relates to the technical field of reducers, and relates to a cycloidal reducer for a rocket launching movable platform. 【Background technique】 [0002] The deceleration device of the rocket launch platform must have high reliability, long service life, and high light weight. [0003] There are two kinds of background technology: [0004] (1) The main problems of the close circle movable gear reducer are: the maximum allowable torque is small, the efficiency is low, and η≤70%; [0005] (2) Two inventions of Zhengzhou Machinery Research Institute, "Support Arm Reducer for Rocket Launching Movable Platform" (20091072401.4) and "Small Volume and Large Torque Reducer for Rocket Launching Movable Platform" (200910172402.9), the main problems are: [0006] Bevel gear + three-stage planetary reduction structure, long axial dimension, complex structure and low light weight. 【Content of invention】 [0007] The purpose of the present inventio...

AI Technical Summary

Problems solved by technology

[0004] (1) The main problems of the close circle movable gear reducer are: the maximum allowable torque is small, the efficiency is low, and η≤70%;

[0006] Bevel gear + three-stage planetary reduction structure, long axial dimension, complex structure and low light weight

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