Coal mining machine signal receiving system, using method thereof and coal mining machine comprising same

The invention relates to a coal mining machine signal receiving system, a using method thereof and a coal mining machine comprising the same. The coal mining machine signal receiving system comprises a directional antenna, a signal sensor unit is arranged in the directional antenna, and the signal sensor unit detects a signal from a signal source; the directional antenna is mounted on the driving rotation unit, and the driving rotation unit is used for driving the directional antenna to perform three-dimensional rotation; and the signal processing unit is communicated with the signal sensor unit, and the signal processing unit is used for receiving a signal detected by the signal sensor unit and monitoring the strength of the signal detected by the signal sensor unit. According to the signal receiving system of the coal mining machine, the position of the directional antenna can be automatically adjusted, so that the directional antenna is located at a position where signals are well received, the influence o