Post-cast strip burr flushing equipment and construction method

The invention relates to the technical field of post-cast strip construction, in particular to post-cast strip brushing equipment which comprises an electric trolley, a supporting frame is arranged on the electric trolley, a water conveying hose and a water conveying hard pipe are arranged on the supporting frame, and a high-pressure water gun is arranged at the lower end of the water conveying hard pipe; the angle adjusting mechanism comprises a rotating handle, a first rotating shaft is connected below the rotating handle, and the first rotating shaft is in transmission connection with the water conveying hard pipe; the height adjusting mechanism comprises a pedal hinged to the supporting frame, a vertical rod is hinged to the pedal, a force transmission transverse rod is hinged to the upper end of the vertical rod and hinged to the upper end of the hard water conveying pipe, a reset spring is further connected to the hard water conveying pipe, and the lower end of the reset spring is fixedly connected with