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直臂式随车起重机伸缩缸推动伸缩臂伸缩时,若伸缩负载过大,可能出现2个伸缩缸之间相互窜油现象,造成1个伸缩缸回缩,另1个伸缩缸伸出,由此可能造成起重机臂抖动。为此,我们对直臂式随车起重机伸缩缸窜油原因进行了分析,并重新设计了伸缩控制油路。1.两种控制油路直臂式随车起重机通常采用2个伸缩缸分别推动第Ⅰ节和第Ⅱ节伸缩臂顺序伸缩,通过双组绳排推动第Ⅲ、Ⅳ节伸缩臂伸缩。为了简化伸缩
Boom telescopic cylinder arm telescopic cylinder telescopic telescopic boom, if the telescopic load is too large, there may be two telescopic oil cylinder cross-oil phenomenon, resulting in a telescopic cylinder retraction, the other telescopic cylinder out by This may cause crane arm jitter. For this reason, we analyzed the reason of armoring telescopic cylinder of arm-type truck crane and redesigned the telescopic control oil circuit. 1. Two kinds of control oil boom truck crane usually adopt two telescopic cylinders to promote the telescopic arm of the first section and the second section of the telescopic arm to expand and contract respectively. In order to simplify stretching