Drill boom beam structure of propelling beam capable of rotating by 360 degrees

The invention discloses a drill boom beam structure of a propelling beam capable of rotating by 360 degrees. The drill boom beam structure comprises a drilling machine support leg, a beam frame and a propelling beam, wherein a connecting seat is fixed on the top of the drilling machine support leg; the connecting seat is connected with the beam frame through a worm and gear transmission mechanism; the beam frame is in sliding fit connection with the propelling beam; the top of the beam frame is provided with a compensation oil cylinder; and a telescopic rod of the comprehension oil cylinder is hinged with the propelling beam. The drill boom beam structure is used together with a hydraulic rock drilling machine, can adapt to the operation road conditions of different terrain environments, and has high rock drilling efficiency; and the propelling beam can be rotated by 360 degrees.