论文部分内容阅读
为保证立井提升安全，防止人员进入危险区域发生人员坠井事故，或因阻车器失灵发生矿车坠井事故，立井井口及各提升中段的进出车侧均需装设安全门．能够在罐笼到达井口或提升中段时打开，罐笼离开井口或提升中段时关闭，并具有可靠的保护作用，开启灵活，并有利于井口各种作业?
In order to ensure the shaft to enhance safety, prevent personnel from entering the danger zone, or accidental car crash due to the failure of the car, the safety shaft should be installed on the shaft of the vertical shaft and the entrance and exit sides of each elevated middle section. Can be opened when the cage reaches the wellhead or lift the middle section, the cage is closed when leaving the wellhead or lifting the middle section, and has a reliable protection, open flexible, and is conducive to a variety of operations wellhead?