Crankshaft rocker arm lifting mechanism for drill rod box of drilling machine

The utility model relates to a drilling machine drill rod box crankshaft rocker arm lifting mechanism which comprises a drill rod box, the drill rod box is connected with a drilling frame of a drilling machine through a connecting frame, and the drill rod box comprises a box body, a partition plate and a bottom baffle. The drilling machine further comprises a crankshaft rocker arm mechanism which is located on the inner side of the connecting frame, and the drill rod box corresponds to the crankshaft rocker arm mechanism in the vertical direction. The crankshaft rocker arm mechanism comprises an oil cylinder, a connecting rod, a crankshaft rocker arm and a supporting roller; the tail end of a piston rod of the oil cylinder is hinged to a middle hinged support at the bottom of the connecting rod, and the two crankshaft rocker arms are hinged to the top of the connecting frame through upper hinged supports respectively. The two crankshaft rocker arms are hinged to the two ends of the connecting rod in the lengt