| 掩护支架平衡连接座损坏原因分析 |
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| 引用本文： | 尚慧岭,刘宏晓,张新永,陈志刚.掩护支架平衡连接座损坏原因分析[J].煤矿机械,2010,31(3). |
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| 作者姓名： | 尚慧岭 刘宏晓 张新永 陈志刚 |
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| 作者单位： | 平顶山煤业集团设备租赁公司,河南,平顶山,467021 |
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| 摘 要： | 介绍了掩护支架平衡千斤顶连接座损坏的裂度及其对安全生产的影响,阐述了掩护支架支护特性与平衡千斤顶及连接座的受力关系,计算分析平衡千斤顶在额定载荷、偏载与连接座破断载荷下的应力及强度,指出平衡连接座损坏的真正原因是双向锁安全阀失效,并揭示造成安全阀失效污染物的微观典型特征,对掩护支架设计、选型及使用管理提出建议。
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| 关 键 词： | 掩护支架 平衡连接座 支护特性 计算分析 损坏原因 对策与建议 |
Cause Analysis 0f Damage in Equilibrium Jack Link Set of HydrauIic ShieId |
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| SHANG Hui-ling,LIU Hong-xiao,ZHANG Xin-yong,CHEN Zhi-gang.Cause Analysis 0f Damage in Equilibrium Jack Link Set of HydrauIic ShieId[J].Coal Mine Machinery,2010,31(3). |
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| Authors: | SHANG Hui-ling LIU Hong-xiao ZHANG Xin-yong CHEN Zhi-gang |
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| Affiliation: | Equipment Hiring Company of Pingdingshan Coal Group/a>;Pingdingshan 467021/a>;China |
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| Abstract: | Introduced the equilibrium jack link set of hydraulic shield damage degree and its effect on the impact of production safety,expounded shield retaining properties and the equilibrium jack link set of the relationship between force,calculation and analysis of equilibrium jack at rated load balancing, partial set and connection set breaking under the strain and load intensity,pointed out that the balance of damage to the real reason for connecting seat is two-way lock valve failure,and to reveal safety valve ... |
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| Keywords: | hydraulic shield equilibrium jack link set shoring characteristic compute analysis damage cause countermeasure and instance |
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