DSJ type belt conveyor prevents centring device

The utility model provides a DSJ type belt conveyor prevents centring device goes up the zone face and prevents that zone face (6) are formed on the centring device is by fixed slot (3), first straight bearing roller (1), conveyer, and it is inboard that the top of structure of an essay post leg (4) in the H type is installed to the fixed slot, and between an upper fixed plate (3.1) and bottom plate (3.2) that first straight bearing roller was installed at the fixed slot, the edge and the first bearing roller of straightening of zone face contacts on the conveyer, the top of the straight bearing roller of second sets up in the bottom plate, during the bottom of second straight bearing roller (2) sets up the cutting hole at structure of an essay crossbeam (5) both ends in the H type, and the marginal facies contact of zone face under the straight bearing roller of second and the conveyer, first straight bearing roller can be for an upper fixed plate and bottom plate free rotation, and the bearing roller is str