End support net breaking mechanism

The utility model discloses an end support net breaking mechanism which comprises a net breaking mechanism body arranged on the upper portion of a shield beam of a coal mine hydraulic support and an auxiliary net breaking assembly. The net breaking mechanism comprises a jack vertically penetrating through the shield beam, the lower end of the jack is hinged to the shield beam, and the upper end of the jack penetrates out of the upper surface of the shield beam and is hinged to net breaking cutter teeth; the device has the beneficial effects that the net breaking mechanism and the auxiliary net breaking mechanism are combined, during net breaking, a hydraulic support moves forwards along with excavation of a working face, a rack is pressed on a roadway top net, a metal wire net can be cut by net breaking cutter teeth by controlling stretching and retracting of a single set of jacks, and the conditions that the top net is pulled away during net breaking, and the net breaking effect is poor are avoided; one grou