The invention relates to a lifting appliance. The lifting appliance comprises a lifting frame. The lifting frame comprises a connecting structure used for being fixedly connected with a to-be-hoisted workpiece, and a guiding structure with the guiding direction the same as the direction of the axis of the to-be-hoisted workpiece. A hoisting device connecting piece connected with a hoisting device is assembled on the guiding structure in a guiding and moving manner. The lifting appliance further comprises a fixing structure used for fixing the position of the adjusted hoisting device connecting piece. By moving the hoisting device connecting piece assembled on the guiding structure in the guiding and moving manner many times, a proper hoisting point is determined, the position of the hoisting device connecting piece is fixed through the fixing structure, and it is guaranteed that in the hoisting process, the axis of the to-be-hoisted workpiece is horizontal and hoisting of the to-be-hoisted workpiece is smooth and stable.
Lifting appliance
2016-02-24
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
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