全封闭链式安全门研制
Development of Full Closed-chain Safety Gate
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摘要: 研制全封闭链式安全门,采用PLC逻辑控制,实现井口“三闭锁”,保证安全门运行符合煤矿安全规程。安全门的研制降低了工人的劳动强度,推动了现代化矿井的建设。Abstract: This papper develops a full closed-chain safety gate with PLC logical control, three closing of pithead is realized, the operation of safety gate conforms to the demands of coal mine safe regulations. This safety gate reduces the labor intensity, promotes modern mine development.