Device for building site store yard is dustproof

The utility model relates to a device for building site store yard is dustproof is complicated to present dust-protection type building site store yard of the same kind device structure, and loading and unloading are moved inconvenient technical problem and are designed this dust keeper includes the stand, the baffle, and the guide pulley, the pipe, the walking subassembly, the cylinder, the rocking handle, the stand constitutes one side open-ended rail with the baffle, and its main points are said rail opening with seal the heel post respectively the symmetry be equipped with front wheel pole and rear wheel pole, the upper and lower both ends of front wheel pole are equipped with the guide pulley respectively, the upper end of rear wheel pole is equipped with the guide pulley respectively, the lower extreme is equipped with the cylinder respectively, is equipped with the cylinder pipe between the cylinder of symmetry, one of them sidewinders and tin is equipped with the rocking handle, with between the lower extreme of the lower extreme of one side front wheel pole and rear wheel pole respectively the symmetry be equipped with the pipe, the road wheel of walking subassembly sets up respectively in the pipe, the belt rope twines respectively in the guide pulley that corresponds in proper order, the cylinder is connected with the subassembly of walking, the one end of dustcloth is fixed in the walking subassembly, and the other end twines in the cylinder pipe it is fit for using as the dustproof store yard of building site gravel and sand.