Movable hoisting platform and water turbine mounting method

The invention provides a movable hoisting platform and a water turbine installation method.The movable hoisting platform comprises a base, buttresses, a first supporting frame and a second supporting frame, a through hole in the vertical direction is formed in the center of the base, and an operation oil pipe outside a main shaft penetrates through the through hole; a plurality of mounting holes matched with the main shaft for mounting are uniformly formed in the upper end surface of the base around the periphery of the through hole; each buttress is of a long-strip-shaped structure, one end of each buttress is fixedly connected with the side portion of the base, and the buttresses are evenly arranged around the periphery of the base; the first support frame is fixedly connected between two adjacent buttresses; the second supporting frame is fixedly connected between the middle of the first supporting frame and the base. By arranging the movable hoisting platform, the hoisting platform can be arranged by flex