▎ 摘　　要

NOVELTY - The utility model model claims a jacking device for maintenance of tunnel drilling machine, comprising a box body, a working table and a motor, two sides of the inner part of the box surface is fixedly mounted with a motor, the periphery of the screw rod is fixedly mounted with a second gear, the screw rod periphery of the top part of the second gear is movably mounted with a threaded cylinder, the top of the threaded cylinder is fixedly installed with a working table, the inner part of the working table is fixedly installed with a ground pound, the working platform between the screw thread cylinder is fixedly installed with a laser distance measuring sensor, the box body outside the motor is fixedly installed with a graphene fibre plate, the periphery of the box body is provided with an anti-corrosion layer. The utility model model is provided with a series of structure so that the device can increase the force of the device without increasing more motor in the process of using, increasing the stability and safety of the lifting, which can increase the protection and radiating effect of the device, at the same time, can check the weight of the tunnel drilling machine, to avoid the danger caused by overload.