Influence on polygon effect with characteristic parameters of guide arc branch of the crawler robot Online publication date: Wed, 24-Jan-2024
by Xiaobing Chen; Hong Zhang; Yang Liu; Jingyu Wang; Jiaqi Song
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 31, No. 1, 2024
Abstract: Aiming at the problem of polygon effect vibration caused by unreasonable matching between track plate and chain link pitch of crawler robot in coal mine, a method is proposed to improve polygon effect by adjusting characteristic parameters of guide arc branch. First, the theory of polygon effect and vibration of chain link is analysed. Second, the virtual simulation experiments and discussion of the crawler robot with different guide arc branch parameters are carried out by RecurDyn. Finally, the external test is carried out. The results show that with the increase of Dc and Lc, the contact forces between the observed track plate and the idler, and between the mountain damping pad and the road significantly decrease, the vibration displacement of vehicle body correspondingly decreases, and the vibration impact of the crawler robot is weakened, which provides theoretical reference for improving ride comfort of the crawler robot in coal mine.
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