Structure for prolonging service life of semi-autogenous grinding ore feeding belt

The structure for prolonging the service life of the semi-autogenous grinding ore feeding belt comprises a supporting frame, a fixed inserting block and a fixed inserting groove are installed in an inserted mode, the fixed inserting groove is formed in one side of a protective sleeve block, and a third locking rotary knob is installed on the front side of the fixed inserting groove in an inserted mode. And supporting balls are embedded in the inner walls of the protective sleeve block and the movable protective sleeve block. According to the structure for prolonging the service life of the semi-autogenous grinding ore feeding belt, double-set lifting can be carried out through the carrier rollers and the auxiliary carrier rollers, the carrier rollers and the auxiliary carrier rollers can be supported and connected through the fixing frame of a triangular structure, lifting is more stable, the carrier rollers and the auxiliary carrier rollers can be wrapped and distributed through the protective sleeve blocks