上摆折叠式矿井安全门开启状态防自落方法研究

Put Folding on Mine Safety Door Open Anti-self-loading

分析研究了上摆折叠式矿井安全门的结构特点及工作原理,找出了该安全门在开启状态下产生自落的原因,提出了安全门开启状态下重力自锁和液压驱动回路自锁的新方法,彻底解决了该安全门开启状态下的自落问题,现场使用证明效果良好。

Analysis and study on folded structure of mine safety gate feature and how it works, found door in open position falls under security reasons, gravity upon safe door open lock and locks and new methods of hydraulic drive circuit, completely solves security problem door since fall of state, use to good effect.