JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2015, Vol. 45 ›› Issue (6): 65-70.doi: 10.6040/j.issn.1672-3961.0.2015.107

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Dynamic modeling of tail rope and swing parameters analysis

LI Chao1, WANG Zengcai1, ZHANG Wanzhi1, HUANG Xianhua2, ZHU Shuchuan2, MENG Huai2   

  1. 1. College of Mechanical Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. Yanzhou Coal Mining Co, Zoucheng 273500, Shandong, China
  • Received:2014-04-20 Revised:2015-10-10 Published:2014-04-20

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Abstract: To solve the short-life problem of hoist tail rope caused by the swing of tail rope during the lifting movement, the visco-elastic vibration model was built based on the discretization modeling method and the ADAMS(automatic dynamic analysis of mechanical systems) software. The characteristic of the tail rope was studied by implementing the motion simulation. The test was designed to record swing amplitude of the tail rope at the shaft bottom. Test results were compared with simulation results to verify the rationality of the model. The influence of different parameters on the swing amplitude of the tail rope was analyzed. The results showed that the maximum swing amplitude of the micro segments of tail rope was generated at the shaft bottom, which was closely related to the vertical rotational stiffness coefficient KTZ and the vertical rotation damping coefficient CTZ as well as the mass. The left swing amplitude was most greatly influenced by the rotational stiffness coefficient while the right swing amplitude was most affected by the mass. When 50% improvement of the parameters of the model is achieved, the left and right swing amplitude were increased by 26.41% and 21.75%, respectively. Test results were basically in line with the simulation results, which could provide a reference for the selection of tail rope and construction of the isolation device.

Key words: swing amplitude, discretization modeling, motion simulation, visco-elastic vibration model, tail rope

CLC Number: 

  • TD444
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