Hoisting device and hoisting system

The utility model provides a hoisting device and hoisting system.The hoisting device comprises a first hoisting piece and a second hoisting piece, the first hoisting piece is used for hoisting a first end of a platform to be hoisted on an aerial walking device, and the second hoisting piece comprises a hoisting part used for being hoisted on the aerial walking device and a supporting column connected with the hoisting part; the two ends of the supporting column are used for hoisting the second ends of the to-be-hoisted platforms correspondingly. According to the technical scheme, the first end of the to-be-hoisted platform can be hoisted through the first hoisting piece, the second end of the to-be-hoisted platform can be hoisted through the two ends of the supporting column of the second hoisting frame, and therefore the to-be-hoisted platform can be prevented from deflecting in the hoisting process; the purposes of eliminating potential safety hazards and avoiding damage to parts are achieved. 本实用新型提供一种吊装装置