Tool for installation of tooth holder of mining equipment terminal executing mechanism

The utility model discloses a tool for installation of a tooth holder of a mining equipment terminal executing mechanism. The tool comprises a base, a supporting frame arranged on the base, and a positioning chunk which is arranged on the supporting frame and used for clamping the mining equipment terminal executing mechanism. A rotary disc is rotationally installed on the base and located below the supporting frame. A rotation arm is connected with the side face of the rotary disc. A stand column is arranged on the rotation arm and provided with a cross arm. A tooth holder positioning clamp for clamping the tooth holder is installed on the cross arm. A movement mechanism for driving the stand column to get close to or away from the supporting frame along the rotation arm is arranged at the lower end of the stand column. The cross arm is provided with a lifting mechanism for driving the cross arm to ascend and descend along the stand column. The tool can adjust the spatial postures of the tooth holder conveniently, so that the tooth holder is installed conveniently; the structure is simple, the labor intensity of workers is relieved, the machining period is greatly shortened, and the product cost is lowered.