ROAD PROTECTIVE FENCE BUFFER DEVICE FOR COAL MINE SAFETY

The present disclosure is in the technical field of road protective fences, and discloses a road protective fence buffer device for coal mine safety, which includes a first buffer mechanism. The first buffer mechanism includes a buffer sleeve, a first sliding groove is provided in the middle of an inner side of the buffer sleeve, and a second sliding groove and a third sliding groove are provided around the first sliding groove. A piston cylinder is slidably provided in the first sliding groove, a first spring is provided at a bottom end of the piston cylinder, a second spring is provided inside the piston cylinder, a movable rod is provided at an end of the second spring and is slidably provided with the piston cylinder. A support block is fixedly provided around the piston cylinder and is slidably provided in a second sliding groove, and a third spring is provided at a bottom end of the support block. A window is provided on the support block, a damp part is provided in the window and is movably provided in the third sliding groove. The buffer device functions as a buffer when a vehicle collides with the first buffer mechanism, thereby reducing the extent to which the driver is injured and the vehicle is damaged.