Mining drill rod centralizer convenient to install

The utility model discloses a mining drill rod centralizer convenient to install. The mining drill rod centralizer effectively solves the problem that a centralizer is inconvenient to install, fix and disassemble quickly. Comprising a drill rod, a drill bit is fixedly connected to the right end of the drill rod, a lower half pipe is arranged on the lower side of the drill rod, an upper half pipe is hinged to the rear end of the lower half pipe, the lower half pipe and the upper half pipe form a cylinder which sleeves the drill rod, a special-shaped hole is formed in the left side of the front end of the lower half pipe, and inserting holes are formed in the left side and the right side of the front end of the lower half pipe respectively; the centralizer is ingenious in structure and convenient to use, the centralizer can be divided into two parts through the lower half pipe and the upper half pipe, dismounting and mounting are convenient, the threaded rod can be inserted into the movable hole through the lef