| 摘要 |
A system for crane overload protection, consisting of a crane capacity mechanical limiter, which includes a load detector and a crane radius change detector, and of a load detector a pusher and of a crane radius change detector arm, characterised in that the known rod (5) has its one end seated slidably in the basic unit (2) of the crane jib and is in contact with a lever train (10), which results in a transmission of the load from the lifting rope (7) to the pusher (11) of load detector, whereas the lifting rope rewinds through the rope pulley (6) seated the other end of the rod (5).<IMAGE>
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