HZSN型竖井提升多功能过卷保护装置的开发与应用

矿井提升系统的机械、电气安全保护日趋完善，但司机操作、制动系统机械故障和电气故障等原因造成的过卷事故，还时有发生，甚至发生蹲罐、断绳坠罐等恶性事故，造成重大经济损失和人员伤亡。提升机与提升容器之间的连接是通过钢丝绳这种柔性体来实现的，在发生过卷时，即使提升机能够很快制动。由于惯性的作用，上升的提升容器必然还有上冲的趋势。若这种上冲的趋势不能通过有效可靠的手段予以克制，则松绳是必然的，此时的提升容器若不加以控制可以说是最危险。

Development and Application of HZSN Multi-Function Over-Rolling Protection Device Used for Vertical Well Hoisting

The paper gives detailed narration to necessity for developing HZSNmulti-function over-rolling protection device used for vertical wellhoisting, introduces device about its main performance parameters,structure and working principle, that device has extensive spreadingfuture is illustrated by spot application.