Rock burst detection device for coal mine

The utility model discloses a coal mine rock burst detection device which comprises a push rod, one end of the upper portion of the push rod is provided with a semi-circular groove, one end of the upper portion of the push rod close to the semi-circular groove is fixedly arranged on a protruding block, one end in the semi-circular groove is slidably provided with a semi-circular plate, one end of the push rod far away from the semi-circular plate is provided with a circular groove, and one side of the semi-circular plate far away from the protruding block is horizontally and fixedly provided with an inserting column. The end, away from the semicircular plate, of the inserting column penetrates through the inner wall of one side of the circular groove, an elastic abutting piece is arranged on the inserting column, a guide sliding assembly is arranged between the semicircular plate and the semicircular groove, rectangular grooves are formed in the two ends of the side, close to the semicircular groove, of the u