A crane lifting mechanism comprises a walking mechanism, a lifting mechanism body and a brake mechanism. The lifting mechanism body comprises a lifting motor, a speed reducer and a cable winding drum, wherein the speed reducer is connected with a brake wheel, and a brake jaw is arranged on the lower side of the brake wheel and connected with an electric telescopic rod. The brake mechanism comprises a brake shoe and a brake board slot, and a screw penetrates through the brake board slot. A baffle is arranged on the upper side face of the brake shoe, a buffer spring is arranged on one side of the baffle, and a cam shaft is arranged on the other side of the baffle. The cam shaft is connected with a transverse rod, the transverse rod is connected with a driving rod which is connected with a push rod, and the push rod is connected with a pusher. A protective hood is arranged on the outer side of the brake shoe and provided with an adjusting rod B. An eccentric shaft is arranged on the brake shoe, a ratchet wheel is arranged at the right end of the eccentric shaft and connected with an adjusting rod A, a pawl base is arranged on the outer side of the eccentric shaft, and a pawl is hinged to the pawl base. The crane lifting mechanism has the advantages of being simple in design, convenient to operate, assemble and disassemble, good in economical efficiency and stable in braking.
Crane lifting mechanism
2016-02-17
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |