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Research on Vibration and Noise Reduction Technologies for Cylinder Block of Crank Ring-Plate Cycloid Reducer

Author: GuoWeiQiang
Tutor: LiuYan
School: Dalian Jiaotong University
Course: Vehicle Engineering
Keywords: Reducer Noise Vibration Modal Analysis Test
CLC: TH132.46
Type: Master's thesis
Year: 2008
Downloads: 66
Quote: 0
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Abstract


Double Crank Ring-Plate Cycloid reducer is a new type of reducer. It is in the analysis and comparison of involute line bicyclic ring reducer and traditional cycloid planetary drive their respective advantages and disadvantages based on the innovative development of a new type of Cycloid. But also eliminates the need for not only retains the ring plate transmission output mechanism. The output shaft rigid rotor arm bearing planetary gear to a planetary gear, size is no longer restricted to transmit torque greater than the existing cycloid reducer. Double Crank Ring-Plate Cycloid retain traditional Cycloid reducer and engagement number, small angle between the total normal force and the total circumferential force cycloidal wheel and pin are Hardened tooth advantages, while overcoming the shortcomings of existing involute tooth profile the unite ring plate reducer is difficult to avoid. Double Crank Ring-Plate needle placed the planetary drive the successful development of, and is bound to provide a small size, light weight, gear ratio range, high transmission efficiency, smooth transmission, simple structure, large carrying capacity of the many advantages of practical value a new type of Cycloid gear. Other mechanical equipment, Double Crank Ring-Plate Cycloid vibration and noise problems. Mechanical vibration and noise cause harm not only to the machinery itself, affect the mechanical properties and service life, and greater harm to the human body. Vibration and noise combined in the human body, can cause physiological and psychological damage and reduced efficiency, brought a great sense of depression and fatigue, and even cause damage to the nervous, hearing irreparable consequences. Therefore Double Crank Ring-Plate needle the pendulum the planetary reducer vibration and noise research and control is very necessary. In this paper, finite element analysis software ANSYS cycloidal gear ring plate involute spur gear box modal analysis, solving the inherent frequencies and mode shapes. Provide a theoretical basis for the vibration and noise reduction. Test tridentate the linkage the double crank tetracyclic board Cycloid the vibration and noise. Respectively, of its vibration and noise tests in different locations, under different conditions, the use of the Artemis analysis software, data analysis and processing, clear noise and vibration distribution law, the higher the speed the higher frequency noise and vibration, this reducer, resonance phenomena occur, the speed of 500r/min is particularly evident when the corresponding noise reduction scheme, the noise reduction effect of the 5 ~ 6dB (A) can be achieved.

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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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