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副井提升设备选型设计
目 录
目录····························································1
前言····························································3
1.矿井提升设备的结构和工作原理·································· 4
1.1矿井提升设备的主要组成部分································ 4
1.1.1提升机················································ 4
1.1.2提升钢丝绳 ···········································10
1.1.3提升容器·············································12
1.1.4 井架与天轮···········································16
1.2提升设备的工做原理········································18
2．双立井提升副井提升设备的选型计算································20
2.1罐轮的选择················································20
2.1.1确定合理的经济速度···································20
2.1.2估算一次提升循环时间·································20
2.1.3确定一次合理提升量···································21
2.1.4选择标准罐轮·········································21
2.2选择提升钢丝绳············································21
2.2.1单绳端荷重···········································31
2.2.2钢丝绳悬垂长度·······································31
2.2.3钢丝绳单位长度质量···································32
2.2.4钢丝绳安全系数校核···································32
2.2.5钢丝绳的使用与维护···································32
2.2.6钢丝绳的检查和试验···································33
2.3选择提升机和天轮··········································34
2.3.1提升机卷筒直径·······································34
2.3.2实际需要卷筒的容绳宽度·······························34
2.3.3计算实际缠绕层数·····································34
2.3.4钢丝绳实际最大静张力的校验···························35
2.3.5钢丝绳实际最大静张力差的校验·························35
2.3.6天轮的选择···········································35
2.4 提升机与井筒相对位置的计算································35
2.4.1确定井架高度·········································35
2.4.2计算卷筒中心至井筒中钢丝绳间的水平距离···············36
2.4.3计算钢丝绳弦长·······································36
2.4.4钢丝绳最大外偏角·····································36
2.4.5钢丝绳最大内偏角·····································36
2.4.6钢丝绳下出绳角····················
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