Dynamic Analysis of Herringbone Planetary Gear Transmission System with Pitting Failure

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Dynamic Analysis of Herringbone Planetary Gear Transmission System with Pitting Failure

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[1]REN Fei,WANG Dexi,SHI Guiqin,et al.Dynamic Analysis of Herringbone Planetary Gear Transmission System with Pitting Failure[J].Journal of Zhengzhou University (Engineering Science),2022,43(02):71-77.[doi:10.13705/j.issn.1671-6833.2022.02.016]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 43卷 Number of periods: 2022 02 Page number: 71-77 Column: Public date: 2022-02-27

Title:: Dynamic Analysis of Herringbone Planetary Gear Transmission System with Pitting Failure

Author(s):: REN Fei¹; WANG Dexi¹; SHI Guiqin²; LIANG Dong³; WANG Ning⁴; WANG Qi¹; 1.College of Mechanical and Electrical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China;
2.College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China;
3.College of Mechanical, Electrical and Vehicle engineering, Chongqing Jiaotong University, Chongqing 400074, China;
4.China Railway Engineering Equipment Group Co., Ltd., Zhengzhou 450016, China

Keywords:: pitting failure; double ring herringbone planetary transmission system; contact force; load sharing characteristics; harmonic frequencies

CLC:: TH113

DOI:: 10.13705/j.issn.1671-6833.2022.02.016

Abstract:: In order to study the influence of pitting faults on the contact force characteristics and load sharing characteristics of double-ring herringbone planetary transmission system, a virtual prototype model of the system was established based on SolidWorks, KISSsoft and ADAMS when the sun wheel was healthy and different types of pitting faults existed. and the numerical solution of the contact behavior of the system was solved by GSTIFF integral dynamic solver. On this basis, the characteristics of the contact force in time domain and frequency domain were studied. The load sharing characteristics of the system were analyzed according to the contact force of the gear. The results show that when the system is fault-free, the contact force of the gear was relatively stable and showed periodic change, with a certain time-varying characteristics. The system has good load sharing performance, and the fundamental frequency was consistent with the theoretical meshing frequency of the system. There are harmonic frequencies in the frequency domain diagram, and there were obvious side bands on both sides of the frequency. In the case of pitting failure, the periodic peak appears in the time domain diagram of contact force. With the increase of pitting quantity and pitting depth, the peak value and load sharing coefficient of contact force increase, the load sharing performance became worse, and the side bands on both sides of fundamental frequency and harmonic frequency became more and more dense. The influence of circular pitting on load sharing performance of the system was greater than that of rectangular pitting, and the influence of the increase of pitting quantity on load sharing performance of the system was greater than that of the increase of pitting depth. The results could provide a basis for gear dynamics and fault diagnosis research.

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Last Update: 2022-02-25