Mine car

The utility model relates to a mine car which comprises a mine car body provided with a containing cavity with an opening in one side. The protective cover is arranged above the mine car body in a covering manner; and the fixing device is annularly arranged between the protective cover and the mine car body, can enable the protective cover to be attached to the side wall of the mine car body, and is used for isolating the containing cavity from the outside. The edge of the protective cover is attached to the side wall of the mine car body through the fixing device, so that the sealing effect on the mine car body and the edge of the protective cover is achieved, dust generated by materials in the containing cavity can be prevented from escaping to the surrounding, meanwhile, moisture can be prevented from entering the containing cavity of the mine car body, and the service life of the mine car is prolonged. And materials, such as sandy soil and cement, which are easily affected with damp and deteriorate can be