The invention provides a suspension-arm-free electric hoisting and placing device which has a function of hoisting and placing objects outside the walls of high-rise buildings. The suspension-arm-free electric hoisting and placing device is characterized in that the device comprises a suspension-arm-free electric crane which comprises a power device and a hoisting frame; the power device is composed of a hoisting motor, a sliding motor, a reducer, a clutch, a brake, a rope roll, a steel wire rope and the like; the hoisting frame is composed of an expansion bolt, a load-bearing cable and a slide rail, wherein the expansion bolt is a stressed hanging point of the crane, and the slide rail is used for achieving sliding of the motors and the rope roll.
Suspension-arm-free electric hoisting and placing device
2016-02-03
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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European Patent Office | 2021
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