High-pressure water jet coal mining machine and control method thereof

The invention discloses a high-pressure water jet coal mining machine and a control method thereof, and belongs to the technical field of coal mining. The coal mining machine comprises a coal mining machine body which is driven by a traction part to move, and at least one cutting part mounted on the coal mining machine body, wherein each cutting part comprises a first jet flow spray head, a second jet flow spray head and a third jet flow spray head, the orientations of the first jet flow spray head and the second jet flow spray head are vertical to a coal mining surface, the first jet flow spray head is driven by a first driving device to move in the first direction, the second jet flow spray head is driven by a second driving device to move in the second direction, the first direction and the second direction intersect, and the orientation of the third jet flow spray head is parallel to the coal mining face, and the third jet flow spray head is driven by a third driving device to move in the vertical directi