矿井风门安装在联络巷道中,是矿井的重要通风设施,为避免风流短路,风门应密封良好,巷道风流风压大、流速快,风门关闭时撞击严重,风门损毁很快。风门关闭快很容易伤人,保持风门密封完好和延长风门使用寿命对矿井安全和降低开采成本十分重要。因此有必要设计一种风门缓冲装置,适当延长关门时间、减轻甚至消除风门撞击。 In order to avoid the short circuit of wind flow, the damper should be well sealed. The wind pressure of the roadway is big, the flow velocity is fast, the impact when the damper closes, and the damper damage quickly. It is very easy to get people to close the damper quickly, keeping the damper seal intact and prolonging the life of the damper are very important to mine safety and reduce the mining cost. Therefore it is necessary to design a damper device to properly extend the closing time to reduce or even eliminate the damper impact.