Auxiliary supporting rod assembly and coal mining machine walking box hoisting method

The invention relates to an auxiliary supporting rod assembly and a coal cutter walking box hoisting method, the supporting rod assembly comprises a supporting rod and a nut, the head end and the tail end of the supporting rod are each provided with an external thread section, the middle of the supporting rod is a polished rod section, and the external thread section at the tail end can be screwed with the nut; the hoisting method comprises the following steps: (1) enabling the traction part to be in a horizontal state, and hoisting the walking box to be close to the traction part; (2) enabling a supporting rod to respectively penetrate through U-shaped notches in the end surfaces of the left side and the right side of the walking box, screwing the head end of the supporting rod into a shell of the traction part, sleeving a chain on the supporting rod to hoist the walking box in a vertical state, screwing a nut at the tail end of the supporting rod, and hoisting the walking box to be close to the traction par