Movable grinding device for outer mold of assembled pier column

The utility model discloses an assembly pier column outer mold movable type polishing device which is arranged on a supporting column system, the supporting column system comprises a supporting column and a traction device arranged at the upper end of the supporting column, the movable type polishing device is movably arranged on the supporting column in a penetrating mode, and the movable type polishing device is connected with the traction device in a hanging mode. The traction device can drive the movable polishing device to move up and down along the supporting column. The automatic cleaning and spraying device for the prefabricated pier column outer mold is used for cleaning and polishing the inner surface of a standard section of a stainless steel outer mold plate of a prefabricated pier column during construction of a pier, and can ensure that the inner surface of the standard section of the stainless steel outer mold plate of the prefabricated pier column is cleaned up and a release agent is sprayed i