Abstract
The present application provide a wind turbine blade lifting device based on an offshore wind turbine unit, including: a clamping assembly and an adjusting assembly, where the clamping assembly includes a clamping box and a plurality of clamping base members, the clamping box is internally provided with a fixing plate, and the plurality of clamping base members are independently provided on both sides of the clamping box; the clamping base members penetrate through a sidewall of the clamping box and extend into the clamping box and are detachably connected to the adjusting assembly provided in the clamping box; the adjusting assembly includes a conveying member, a hydraulic barrel, and a fixing barrel, the conveying member is provided at bottom of the fixing plate, both sides of the conveying member are detachably connected to the plurality of clamping base members, respectively.