煤矿主井提升箕斗防超载保护关键技术研究与应用

煤矿主井提升箕斗超载运行是立井安全提升的一个重大安全隐患，为解决主井提升箕斗超载的问题，陈四楼煤矿在原有定量机的控制系统基础上，分别对定量机操作台急停保护、速度保护、箕斗冗煤保护关键技术进行了研究与设计，且在现场主井装载定量机场得到了实践应用。实践表明，其超载保护关键技术改造取得了良好的安全效益和经济效益，确保了主井提升箕斗安全提升的可靠性和稳定性，具有参考和借鉴推广意义。

Research and Application of Key Technology of Anti-overload Protection of Coal Mine Main Shaft Hoist Skip

In order to solve the problem of skip overload in main shaft hoisting,based on the original control system,the key technologies of emergency stop protection,speed protection and skip redundant coal protection of quantitative machine operating platform were studied and designed respectively in Chensilou Coal Mine.It has been applied in the field main well loading quantitative airport.Practice shows that the key technology transformation of overload protection has achieved good safety and economic benefits,ensured the reliability and stability of the main shaft hoisting skip safety lifting,and has reference significance.