Concrete lining equipment

The utility model discloses concrete lining equipment which comprises a lining template and a supporting spring, a supporting steel bar is installed on the surface of the inner side of the lining template, a positioning square groove is formed in the supporting steel bar, an assembling block is installed on the outer side of the positioning square groove, a butt joint screw hole is formed in the center of the assembling block, and the supporting spring is arranged in the butt joint screw hole. A fixing block is installed on the outer surface of the assembling block, a storage groove is formed in the center of the fixing block, a supporting spring and a positioning square block are installed in the storage groove, the positioning square block penetrates through the outer surface of the fixing block to be connected with a positioning square groove, and a connecting rope is fixedly installed in the center between the positioning square blocks in a winding mode. According to the concrete lining equipment, through