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一、前言上海港煤炭装卸公司使用的推耙机为日本小松产D41A-3型,目前存有数量43台,由于工作环境恶劣,推耙机驱动链轮和履带板磨损严重,磨损量严重超过使用标准,运行时出现异响、履带脱落等故障,且履带附着性能降低,影响整机作业效率。由于履带与驱动链轮是进口部件,价格比较昂贵,且进货周期较长。公司难以承受昂贵
I. INTRODUCTION The push rake used by Shanghai Port Coal Handling Company is type D41A-3 of Komatsu of Japan with a total of 43 units currently in existence. Due to the bad working environment, the rake drive sprocket and track shoe are worn seriously and the wear amount exceeds seriously The use of standards, run-time abnormal noise, crawler off and other failures, and crawler attached to reduce performance, affecting the whole operating efficiency. As the track and drive sprocket is imported parts, the price is more expensive, and the purchase cycle is longer. The company can not afford it expensive