The invention relates to a power take-off device, in particular to a crane load power take-off device, and belongs to the technical field of cranes. According to the technical scheme, the crane load power take-off device comprises a fixing base installed on a large pull rod; a balance beam is hinged to the fixing base; a power take-off pulley used for making contact with a lifting steel wire rope is arranged at one end of the balance beam, and a counterweight matched with the power take-off pulley is arranged at the other end of the balance beam; a pressure sensor is arranged on the side, adjacent to the counterweight, of the fixing base; the balance beam can make contact with the pressure sensor when swinging, and the pressure sensor is connected with a crane controller. The crane load power take-off device is compact in structure, convenient to use and capable of effectively preventing a crane from working at an overload and guaranteeing the working reliability and service life of the crane.
Crane load power take-off device
2015-12-02
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
Floating crane load power take-off device and method and floating crane
European Patent Office | 2024
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