Damping ring vibration and noise reduction technology was first discovered by R.E. Peterson based on experience and obtained a patent in the United States in 1932. Damping ring damping technology is an effective way to improve the vibration performance of spiral bevel gear. It has the advantages of good damping effect, compact structure and simple process. Many foreign scholars have done a lot of research on damping ring and achieved some results. However, the factors affecting the damping of the damping ring on the spiral bevel gear are very complex, so the current research on the damping ring mostly focuses on the experimental research. Hideo Okamura and other scholars measured the influence of the structural parameters and installation error of the damping ring on the vibration and noise of the spiral bevel gear system through experiments. In terms of theoretical research, the finite element method is mostly used. For example, Stefano Zucca takes the spiral bevel gear with open damping ring as the research object, uses the finite element method to analyze the dynamic characteristics of the equivalent finite element model of the combined structure, and studies the influence of the interference, width and thickness of the damping ring on the vibration frequency of the spiral bevel gear.
The research on damping ring in China lags behind relatively, which began in the early 1980s. Li Zhengxiong measured the influence of installing damping ring on the dynamic characteristics and noise spectrum of spiral bevel gear system; Yan Shaoxia et al. Conducted experimental analysis on the noise spectrum of spiral bevel gear system under different working conditions and different damping ring structures, and made comparative research on single-sided ring, double-sided ring, oil-bearing ring and oil-bearing split ring respectively. It is concluded that the noise reduction effect of oil-bearing double-sided ring is the best; Su ronghua and others have compared the damping performance of spiral bevel gear damping rings with different structural forms and materials. The test shows that the damping effect of open damping ring made of powder metallurgy porous material is better than that of ordinary closed steel ring; By directly adding friction between the damping ring and spiral bevel gear, Sun Tao established a 5-DOF torsional dynamic model of spiral bevel gear damping ring system, studied the influence of friction between them on the amplitude of vibration acceleration, and found that there is the best friction, which makes the best damping effect; Taking the spiral bevel gear with closed damping ring as the research object, Zhao Ning et al. Studied the influence of the structural parameters of closed damping ring on the vibration frequency of spiral bevel gear by establishing the equivalent finite element model of composite structure for dynamic characteristic analysis.