Vertical roller mill millstone jacking and supporting device

The invention discloses a vertical roller mill millstone jacking and supporting device which comprises a power source system, a distributor, jacking devices, a feedback system, a control system and a supporting device, the power source system is connected with the distributor, and the distributor is connected with a plurality of corresponding jacking devices; the number of the jacking devices is at least three, the jacking devices are evenly distributed on the circumference, through holes are formed in the grinding disc, the jacking devices are installed in the corresponding through holes and fixedly connected with a grinding disc body, and the jacking devices are used for jacking the grinding disc so that the grinding disc can be separated from the speed reducer. The feedback system is connected with the control system, is mounted in the grinding disc body and is used for monitoring the height displacement of each top starting point of the grinding disc and feeding monitoring data back to the control system;