Movable type steel rail flange weld joint grinding machine

The utility model provides a movable type steel rail flange weld joint grinding machine. According to the structure of the movable type steel rail flange weld joint grinding machine, two reversed-U-shaped side plates are connected with a front cross beam, so that a machine frame is formed, the upper portion of each side plate is provided with a top wheel in contact with a rail top, the rear portion of each side plate is provided with an upper wheel in contact with a rail jaw, the front portion of each side plate is provided with a lower wheel in contact with a rail foot hem, two guiding shafts extending frontwards are fixed to the cross beam, the guiding shafts are inserted into guiding holes of a sliding beam, a horizontal feeding lead screw is matched with a nut of the sliding beam, a horizontal feeding hand wheel is fixed to the front end of the horizontal feeding lead screw, the rear end of the horizontal feeding lead screw is connected with the cross beam, a perpendicular feeding lead screw is matched with inner threads on a nut block, the top end of the perpendicular feeding lead screw is fixedly connected with a perpendicular feeding hand wheel, the lower end of the perpendicular feeding lead screw is connected with the sliding beam through a bearing, the nut block is fixedly connected with the upper end of a motor connecting rod, the lower end of the motor connecting rod penetrates through the sliding beam to be connected with a motor, and a motor shaft is connected with a straight-type wheel. The movable type steel rail flange weld joint grinding machine is easy to install, convenient to operate, capable of grinding not only a rail flange weld joint but also a rail foot hem weld joint, high in grinding precision, and good in grinding quality.