Blocking mechanism and adjusting device

The utility model relates to the technical field of dust removal and ash discharge of a steelmaking cloth bag, and discloses a blocking mechanism and an adjusting device, which comprise a base, an ash discharge cover and a telescopic hose, the extrusion unit comprises a blocking soft cushion, a first extrusion rod and a pressing seat; the transmission unit comprises a descending rod, a linkage rod and a fixed shaft; and the adjusting unit comprises a support frame, a synchronous motor and a screw rod. The dust hood has the beneficial effects that the blocking pad is additionally arranged on the dust hood and is plugged into the hopper of the dust unloading vehicle, so that flying dust generated in the dust unloading process is prevented from overflowing to cause atmospheric pollution and inhalation of workers; the position of the dust hood is adjusted up and down through the motor, so that the dust hood is adjusted into the car hopper, then gaps are blocked through the blocking mechanism, and smoke dust is pr