Early warning device for coal mine rock burst prevention and control

The utility model discloses an early warning device for coal mine rock burst prevention, which relates to the technical field of coal mining prevention and comprises a device body and a connector mounted at the top end of the device body, a groove is formed in the middle of the back of the device body, and a fixing rod is fixedly arranged in the middle of the bottom of the groove. The rear end of the fixing rod extends to the back of the groove, a fixing plate is fixedly arranged at the rear end of the fixing rod, a data line is wound on the fixing rod, one end of the data line is connected with the connector, a circular groove is formed in the middle of the back face of the fixing plate, and a movable plate is movably arranged in the circular groove. Through the arrangement of the fixed plate, the fixed rod, the movable plate and the clamping plate, the data line can be wound on the fixed rod, the stress sensing probe is clamped on the clamping plate to be fixed, and after the data line and the stress sensin