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1台CC2000型履带起重机将60t重物吊装起升到位后,当操作人员操纵起升手柄停止起升时,吊钩及重物并未立即停下来,而是自动下落0.3m后才停住。该故障在吊装大件重物和安装作业中存在很大安全隐患,必须及时排查和修复。1.判断起作用制动方式经初步分析,我们认为可能是主卷扬制动装置存在问题。该机主卷扬有2
A Taiwan CC2000 Crawler Crane hoisting lifting 60t weight in place, when the operator manipulated the lifting handle to stop lifting, the hook and heavy objects did not immediately stop, but automatically drop 0.3m before stopping. The fault in the lifting of heavy loads and installation operations there is a big security risk, we must promptly investigate and repair. 1. Judgment works Braking mode After a preliminary analysis, we think there may be problems with the main hoist brake device. The main winch machine has 2