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Study on Transmission Performance of Co-axial Counter-rotating Planetary Reducer

Author: ZhangQingWei
Tutor: ShiWanKai
School: Chongqing University
Course: Mechanical Design and Theory
Keywords: Composite wheel system Differential gear train A coaxial right turn deceleration mechanism Power flow Cycle power
CLC: TH132.46
Type: Master's thesis
Year: 2008
Downloads: 119
Quote: 0
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Abstract


Deceleration mechanism for automatic underwater aircraft propulsion systems have strict performance requirements of specific functional requirements , as well as weight , volume , noise and temperature rise , carry a coaxial turn transmission scheme , suitable for special work conditions demand transmission scheme . Based meshing parameters and geometric parameters of the drive system design based on the finite element analysis, to carry out the structural design and key parts of the reducer to provide a reference for prototyping reducer . The main research work and conclusions are as follows : on the basis of the analysis and comparison of many transmission scheme , using a composite gear train ordinary gear train and differential gear train transmission scheme to achieve single - input dual- output , The axis of the turn and deceleration increase torsional function . ( 2 ) based on the differential gear train power flow characteristics , the analysis of the power flow to the law of the composite gear train , thereby determining the transmission system does not exist cycle power conditions . According to the power flow characteristics , the pro rata ordinary gear train and differential gear train of the power flow between the relational model . ③ design of engagement and geometrical parameters of the reducer , checking each gear pair contact / bending fatigue strength , to achieve the design requirements . ( 4 ) using the finite element method , the stress and deformation analysis of the key parts of the deceleration mechanism output planet carrier and internal ring gear . And based on the strength theory , show that the main parts in the design is reliable . ( 5 ) based on the stringent requirements of the underwater craft noise and other aspects in the design and manufacture of appropriate measures .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > The transmission mechanism > Meshing > Reducer and transmission
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