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目前矿井提升系统中普遍采用木质楔形罐道用于提升容器的过卷防护。由于木质罐道制动力不足,可能导致提升容器冲撞防撞梁的问题。特别是对那些速度快,载荷大的提升容器,利用楔形罐道制动更是困难。当过卷事故发生后,木质罐道即被压坏,必须重新安装,恢复麻烦。用液压缓冲器代替
At present, wood wedge-shaped cans are commonly used in mine hoisting systems to improve the roll-over protection of containers. Insufficient braking force on the wood can leads to the problem of lifting the container against the impact beam. Especially for those fast, large load lifting containers, the use of wedge-shaped cantilever brake is even more difficult. When the over-rolling accident occurs, the wooden canvass is crushed and must be reinstalled to restore the trouble. Use hydraulic buffer instead