Lifting appliance

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Lifting appliance

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GE HUARONG / ZHOU YANG

The invention discloses a lifting appliance. The lifting appliance is used for lifting a shell with a mounting hole and comprises a locking piece and at least two lifting arms. A moving hole is formed in the locking piece, and a locking part is formed on the inner side wall of the locking piece. A locking matching part is formed on the outer side wall of the lifting arm, at least part of the lifting arm can extend into the mounting hole after penetrating through the moving hole, and the lifting arm can axially move along the mounting hole. When the lifting arms move to a hoisting position, the locking parts are separated from the locking matching parts, so that the at least two hoisting arms are opened outwards in the radial direction of the mounting hole to lift the shell; and when the hoisting arm leaves the hoisting position, the locking part is connected with the locking matching part so as to limit the hoisting arm from expanding outwards in the radial direction of the mounting hole. According to the lifting appliance, the opening of the lifting arm can be effectively limited, and the lifting quality is ensured.

本发明公开了一种吊具。吊具用于吊装具有安装孔的壳体，吊具包括一锁件和至少两个起吊臂。锁件形成有一移动孔，锁件内侧壁形成有锁止部。起吊臂外侧壁形成有锁止配合部，起吊臂穿过移动孔后至少部分可伸入安装孔，起吊臂可沿安装孔轴向移动。起吊臂移动至起吊位置，锁止部与锁止配合部脱离，以使至少两个起吊臂沿安装孔径向向外张开以吊起壳体；起吊臂离开起吊位置时，锁止部与锁止配合部相连，以限制起吊臂沿安装孔径向向外张开。根据本发明的一种吊具，能够有效的限制起吊臂的张开，保证吊装的质量。