Vertical rotary drilling machine

The utility model relates to a small-size vertical rotary drilling machine, which is mainly composed of a travelling mechanism, a lifting mechanism, a guiding column, an operator cabin, the head of a drilling machine, an electrical apparatus control system, a motor, an operating rod, a chassis and a balancing support foot. The utility model is characterized in that the travelling mechanism is composed of a front axle, a rear axle, a front wheel, a rear wheel, a direction machine, a travelling clutch, a speed reduce, a power driving device, etc. The lifting mechanism is composed of a rope pulley, a rolling cylinder, a lifting braking device, a lifting clutch, the speed reduce, the power driving device, etc. The utility model has the advantages of portability, lightness, high work efficiency and long service life. The utility model is suitable for mines in the open air, buildings, water conservancy, railways, highways, etc.