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一台DJ65型龙门起重机,其行走机构的4轮由液压马达驱动,在使用中出现打滑和空转现象,进而表现为行走无力或停滞不动。分析故障原因时,先从马达驱动力、轨道附着力和轨道平直度等方面入手,进而分析龙门起重机整体结构和驱动马达液压系统。经分析,因龙门起重机整体结构的刚性较强,故难以
A DJ65 gantry crane whose traveling gear is driven by a hydraulic motor for four runs shows slippage and idling during use, resulting in weak or stagnant walking. When analyzing the cause of the malfunction, start with the driving force of the motor, the adhesion of the track and the flatness of the track, and then analyze the overall structure of the gantry crane and the hydraulic system of the driving motor. The analysis, due to the overall structure of the gantry crane rigid, it is difficult