Gangue flying prevention structure of coal mining machine

The invention provides a coal mining machine gangue flying prevention structure which comprises a first support, an oil cylinder, a second support and a protection plate, the first support and the second support are located on the outer side of a rocker arm, one end of the protection plate is connected to the second support, one end of the oil cylinder is connected with the first support, and the other end of the oil cylinder is connected with the other end of the protection plate. When the oil cylinder stretches out, the protection plate swings downwards, and when the oil cylinder retracts, the protection plate swings upwards. The waste rock flying prevention structure is convenient to operate, coal briquettes or waste rocks thrown to the pedestrian side by the roller are effectively blocked, safety accidents are avoided, and the safety of operators is improved. 本发明提供一种采煤机防飞矸结构，包括：第一支座、油缸、第二支座和防护板，第一支座和第二支座位于在摇臂外侧，防护板的一端连接于第二支座，油缸的一端与第一支座连接，油缸的另一端与防护板的另一端连接。油缸伸出时防护板向下摆动，油缸缩回时防护板向上摆动。防飞矸结构操作方便，有效地挡住了被滚筒抛向行人侧的