Coal drilling unit for comprehensive mechanized coal mining

The invention relates to a coal drilling unit for comprehensive mechanized coal mining, which comprises a plurality of coal drilling machines and a plurality of hydraulic supports, wherein each coal drilling machine comprises a drill, a hydraulic motor and a pushing mechanism, each drill is driven to rotate by the corresponding hydraulic motor, and each pushing mechanism is used for pushing the corresponding drill forwards to cut coal and adjusting the position of the corresponding drill in the up-down manner; and the hydraulic supports and the coal drilling machines are in one-to-one correspondence. The coal drilling unit has the advantages of simple structure, low production cost, single power source, high safety and strong adaptability to the length change of a working surface.