Levelness monitoring and deviation rectifying device for underground coal mine drilling and using method of levelness monitoring and deviation rectifying device

The invention discloses a levelness monitoring and deviation rectifying device for underground coal mine drilling and a using method thereof, and belongs to the technical field of coal mine drilling. The levelness monitoring and deviation rectifying device comprises a common drill rod, a first center shaft and a drill bit, one end of the first center shaft is fixedly connected with one end of the common drill rod, and a first sleeve is rotationally installed on the outer side of the first center shaft; a second center shaft is rotatably mounted at the other end of the first center shaft, a second sleeve is fixedly mounted on the outer side of the second center shaft, a drill bit is fixedly mounted at the other end of the second center shaft, and the second center shaft and the first center shaft are rotatably connected through a universal coupling. The inclination angle between the first center shaft and the second center shaft can be conveniently adjusted, correction can be conveniently conducted, the leveln