Supporting device for wind power blade installation

The utility model relates to the technical field of accessory devices for wind power blade installation, in particular to a supporting device for wind power blade installation, which can enable workers to quickly clamp wind power blades of different specifications, thereby improving the working efficiency and effect of the workers for installing the wind power blades, and enhancing the practicability. Comprising a mounting plate and moving assemblies, the moving assemblies are evenly arranged at the bottom of the mounting plate, the device further comprises a fixing plate, a two-way screw, two first sliding blocks, two connecting plates, two supporting plates, a clamping assembly and a supporting assembly, the top of the mounting plate is connected with the bottom of the fixing plate, and a sliding groove is formed in the top of the fixing plate; the two ends of the two-way screw are rotationally connected with one ends of the fixing plate sliding grooves correspondingly, the two first sliding blocks are in t