Automatic descaling machine of steel structure bridge sewer line for maintaining use

The utility model provides an automatic descaling machine of steel structure bridge sewer line for maintaining use, the on -line screen storage device comprises a base. The left end of base is connected with the backup pad, keeps right and be provided with the fixing base on the position in the upper end, be provided with a driving motor in the fixing base, a driving motor is connected with the screw axis along the backup pad orientation in, it slides the seat to be connected with with threaded connection's mode on the left side of screw axis, it is connected with the rotary drum through the secondary shaft bearing to slide a top, be provided with the hydraulic fluid tank on the inside left side wallboard of rotary drum, be connected with hydraulic lifting columns on the hydraulic fluid tank, the hydraulic lifting columns overhang is provided with an elasticity flat board respectively to the right side of rotary drum, its outside both ends from top to bottom, the dull and stereotyped right -hand member of ela