Roller disc type coal mill with pretensioning spring structure by reversed load of lever

The utility model relates to a roll disk type coal pulverizer with spring pre-tightening and bar reverse loading structure, which belongs to the technical field of powder manufacturing apparatus. The entire device is composed of a speed reducer, a grinding disk, adjustable bolts, a grinding roll, a spring loading device, a separator, a powder outlet, a grinding roll support, a grinding roll shaft and a pull rod device; wherein, the grinding disk is installed on the speed reducer, the grinding roll is installed at the upper part of the grinding disk, the grinding roll support and the pull rod device are installed on the grinding roll shaft, the adjustable bolts are also arranged on the grinding roll shaft, the spring loading device and the separator are installed at the upper part of the grinding roll support, and the powder outlet is installed at the upper part of the separator. The device has the advantages that the conception is novel and scientific, the structure is simple, the operation is reliable, the m