Hoisting operation platform car for tall partition boards

The utility model discloses a high and large partition board hoisting operation platform truck which comprises a bearing seat at the bottom, a lifting platform in the middle and a top supporting frame at the top, and the lifting platform is installed above the bearing seat in a vertically adjustable mode. The top supporting frame is installed above the lifting platform in a vertically-adjustable mode, and the upper end of the top supporting frame abuts against the roof. The bottom of the bearing seat is supported on the ground through driving wheels, a counterweight part is arranged at the bottom of the bearing seat, and a winch is mounted above the bearing seat; one side of the lifting platform protrudes outwards and is horizontally provided with an overhanging operation platform, the outer end of the overhanging operation platform is provided with a first pulley, and a steel wire rope of the winch bypasses the first pulley and is fixedly connected to the hoisting partition board; a protective fence is furth