In response to the problems of short service time and severe tooth surface wear during the use of the walking wheel of shearer in a certain mine,factors has been preliminarily determined,such as the wear of guide shoe,severe damage to the local tooth shape of the pin-rail,and scraper conveyor moving too quickly.A 3D software was used to construct the meshing model of the pin teeth,and dynamic and strength analysis were conducted on the above-mentioned influencing factors as the research object.Based on the on-site situation,the cause of damage was determined,and suggestions for reducing damage to the walking wheel were given.After improvement,the walking wheel no longer experienced the serious short-term wear problem,and the effect was proved to be efficient.
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