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pai fang shi shen du zhi shi qi shi ling bao hu zhuang zhi
Author(s): 
Pages: 13-15+24-65
Year: Issue:  1
Journal: Safety in Coal Mines

Keyword:  深度指示器失灵保护矿井提升机提升机过卷干簧管继电器性能良好保护装置可控硅开关控制变压器;
Abstract: 该文介绍了北票矿务局三宝矿研制的用于 BM 型、KT 型和 JK 型矿井提升机牌房式深度指示器的失灵保护装置。经初步使用证明,其保护性能良好,动作可靠。该装置为消除牌房式深度指示器多年来存在的断销、断齿和指示失灵而引起的提升机过卷、墩罐事故。文中简要介绍了装置的构成和保护原理。
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