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Design and simulation study of three-dimensional vibration isolation system for vehicle-mounted precision equipment
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Hui CHENG1, Ke LIANG2, Wei LI2, Xianglong WEN1, Jinguang ZHANG1
Chinese Journal of Construction Machinery | 2025, 23(2) : 309 - 314
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Chinese Journal of Construction Machinery | 2025, 23(2): 309-314
• Design Manufacture and Quality Control •
Design and simulation study of three-dimensional vibration isolation system for vehicle-mounted precision equipment
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Hui CHENG1, Ke LIANG2, Wei LI2, Xianglong WEN1, Jinguang ZHANG1
Affiliations
  • 1. School of Mechanical and Electrical Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
  • 2. Wuhan Sanjiang Space Yuanfang Technology Co., Ltd., Wuhan 430070, Hubei, China
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Aiming at the vibration response of vehicle-mounted precision equipment in a motorized environment, a new type of combined vibration isolator based on spring and rubber structure is proposed under the constraints of known equipment characteristics and vibration isolation performance requirements, and then a three-dimensional vibration isolation system of the vehicle-mounted precision equipment is designed by connecting the vibration isolators in parallel. In this paper, a three-dimensional model of the vibration isolation system is established, and the vibration isolation performance of the system in transverse, longitudinal and vertical directions is analyzed based on ABAQUS, and the three-direction rms acceleration attenuation rates are 0.82, 0.94, 0.93, respectively; meanwhile, the random vibration test results show that the three-direction rms acceleration attenuation rates are 0.88, 0.75, 0.87, respectively, which is within 10% of the simulation result, verifying that the three-direction rms acceleration attenuation rates are within 10% of the simulation results. are within 10%, which verifies the accuracy of the simulation results and meets the demand for vibration reduction of vehicle-mounted precision equipment.

vehicle-mounted precision equipment  /  random vibration  /  damping design  /  finite element simulation
Hui CHENG, Ke LIANG, Wei LI, Xianglong WEN, Jinguang ZHANG. Design and simulation study of three-dimensional vibration isolation system for vehicle-mounted precision equipment[J]. Chinese Journal of Construction Machinery, 2025 , 23 (2) : 309 -314 .
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Year 2025 volume 23 Issue 2
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  • Online Date：2025-12-16
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Affiliations
    1. School of Mechanical and Electrical Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
    2. Wuhan Sanjiang Space Yuanfang Technology Co., Ltd., Wuhan 430070, Hubei, China
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