Automatic regulation rotational speed's wall polisher

The utility model relates to a polisher field, in particular to automatic regulation rotational speed's wall polisher, including dish and the handle of polishing, the handle is empty core rod structure, it is equipped with the holding tank to polish a set one side, be equipped with griding assembly and pressure detection subassembly in the holding tank, griding assembly includes the tray and polishes the piece, one fixedly connected with at the center department of tray runs through polish dish and the outside rotation axis that extends, the pressure detection subassembly is including dustproof axle sleeve, a spring, a bearing, activity spacing ring and pressure sensor, dustproof axle sleeve, the bearing flushes with set three's that polishes up end, one side that the holding tank was keptaway from to the dish of polishing is provided with the motor element that the cover was established at rotating shaft end section, the utility model discloses an automatic regulation rotational speed's wall polisher, the au