Automatic telescopic tarpaulin dustproof device

The utility model discloses an automatic telescopic tarpaulin dustproof device which comprises a device body, the device body comprises two vehicle frames and a clamping mechanism, first grooves are formed in the upper surfaces of the two vehicle frames, motors are fixed in the first grooves through bolts, lead screws are welded to output shafts of the motors, and the lead screws are connected with the clamping mechanism through bolts. The other end of the lead screw is rotationally connected to the inner wall of the first groove, the lead screw is sleeved with a nut, a second groove is formed in the position, above the first groove, of the frame, a fixing shaft is welded to the interior of the second groove, and a telescopic mechanism is slidably connected to the fixing shaft. The displacement mechanism is arranged on the side wall of the slag car, the telescopic mechanism is connected with the displacement mechanism, the adjusting frame is driven to stretch out and draw back, the tarpaulin is supported and