Protective device for feed port of crusher

The utility model relates to the technical field of mineral processing equipment, in particular to a protective device for a feed port of a crusher, which comprises an annular track, a safety rope connected to the bottom of the annular track, a plurality of connecting pieces mounted on the top of the annular track, an annular groove arranged inside the annular track, and a plurality of connecting pieces mounted on the top of the annular track, an opening is formed in the bottom of the annular groove, and a sliding block is arranged in the annular groove. According to the protection device for the feeding port of the crusher, the stability and safety of the feeding port of the crusher can be effectively improved through cooperation of the annular track, the safety rope, the connecting piece, the annular groove, the sliding block, the balance plate and other structures. The safety rope is connected with the sliding block, so that a worker can more conveniently fix the position of the worker during use, the work