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为了使露天工作的起重机在强风情况下停留住,采用了一种能把起重机定位在起重机轨道一定位置上的锚固装置。 现有大部份这类装置有很大缺点:为开动起重机,司机必须离开司机室把它提起来。有
In order to keep open-air cranes under strong wind conditions, an anchoring device is used which positions the crane in a certain position on the crane track. Most existing devices of this type have the great disadvantage that to start the crane, the driver must leave the cab to lift it up. Have