The invention discloses a double-pulley lifting hook. The double-pulley lifting hook comprises a support plate, a partition plate, a reinforcing plate, pulleys, a lifting ring and a lifting hook, wherein the pulleys are arranged at two sides of the partition plate, the support plate is arranged at the outer sides of the pulleys, the reinforcing plate is arranged at the outer side of the support plate, the pulleys are fixed by a center shaft, the center shaft penetrates into the partition plate, the pulleys, the support plate and the reinforcing plate vertically, an upper bearing shaft and a lower bearing shaft, which penetrate through the reinforcing plate, the support plate and the partition plate, are arranged above and under the pulleys respectively, the upper bearing shaft is provided with supporting sleeves between the partition plate and the support plate, one of the supporting sleeves is provided with the lifting ring, the lower bearing shaft is provided with a lifting hook frame and a supporting sleeve between the partition plate and the support plate, the lifting hook fixed by a bolt is arranged at the lower end of the lifting hook frame, an anti-falling-off baffle plate is arranged at an opening of the lifting hook, and a limiting head and a nut are arranged at two ends of each of the center shaft, the upper bearing shaft and the lower bearing shaft respectively. The double-pulley lifting hook has the beneficial effects that the disassembling and the replacing are convenient, the maintaining operation is convenient, and the anti-falling-off function is achieved.
Double-pulley lifting hook
2015-04-08
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
Lifting hook device with pulley blocks and operation machine
Europäisches Patentamt | 2021
|Multi-pulley-block combined lifting hook for ultra-large hoisting equipment
Europäisches Patentamt | 2023
|