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Research on the vibro-acoustic propagation characteristics of a large mining two-stage planetary gear reducer

  • Wei Yang EMAIL logo and Xiaolin Tang EMAIL logo

Abstract

In this paper, a computational model is proposed to predict the noise radiation of a planetary gear reducer. In addition, a system-level vibro-acoustic model of a two-stage planetary gear reducer is also established, and the dynamic contact equations of engagement are deduced to investigate the dynamic loads at the interface of bearing-housing and ring-housing in operation, using a large mining two-stage planetary reducer as a test mechanism. Moreover, the frequency response of the planetary transmission has been derived, the radiation noises from the two-stage planetary gear train are analyzed, the simulation results agree well with the experimental results. This research can be guide structural optimization of planetary gear mining reducer.


Corresponding authors: Wei Yang and Xiaolin Tang, State Key Laboratory of Mechanical Transmission, College of Automotive Engineering, Chongqing University, Chongqing, China, E-mail: ,

Funding source: National Natural Science Foundation of China

Award Identifier / Grant number: 52072051

Funding source: Chongqing Basic Research and Frontier Exploration Project

Award Identifier / Grant number: cstc2018jcyjAX0468

Funding source: Fundamental Research Funds for the Central Universities

Award Identifier / Grant number: 2019CDXYQC0002

Funding source: National Science and Technology Support Program

Award Identifier / Grant number: 2013BAF01B05

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This project is supported by Chongqing Basic Research and Frontier Exploration Project (Grant No. cstc2018jcyjAX0468), National Natural Science Foundation of China (Grant No. 52072051) and the National Science and Technology Support Program (Grant No. 2013BAF01B05).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2018-06-09
Accepted: 2020-11-19
Published Online: 2020-12-16
Published in Print: 2021-04-27

© 2020 Walter de Gruyter GmbH, Berlin/Boston

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