Coal seam gas release device and coal seam tunneling device

The invention discloses a coal seam gas release device and a coal seam tunneling device, and mainly relates to the field of coal seam tunneling. Comprising a gas diluter, an adjustable tuyere mechanism is arranged at a gas inlet and comprises a mounting frame, an opening rod, a control rod and a flexible cover, one end of the opening rod is hinged to the end, close to the gas inlet, of the mounting frame, and the two ends of the control rod are hinged to the other end of the opening rod respectively; the flexible cover is a flared flexible cover body with two open ends, one open end of the flexible cover is communicated with the gas inlet, and the opening rod of the flexible cover is opened and closed. The gas absorption and dilution device has the beneficial effects that the gas at the working front end can be better absorbed and diluted, and the operation safety is improved. 本发明公开了一种煤层瓦斯释放装置及煤层掘进装置，主要涉及煤层掘进领域。包括瓦斯稀释器，瓦斯进气口处设有可调风口机构，可调风口机构包括安装框、张口杆、控制杆、柔性罩，张口杆的一端与安装框靠近瓦斯进气口的一端铰接，控制杆的两端分别与张口杆的另一端铰接，柔性罩为喇叭口形状且