| 液压支架双伸缩抗冲击立柱动态分析 |
| |
| 引用本文： | 王国法,赵志礼.液压支架双伸缩抗冲击立柱动态分析[J].煤矿开采,2010,15(2):62-65,40. |
| |
| 作者姓名： | 王国法 赵志礼 |
| |
| 作者单位： | 天地科技股份有限公司,开采设计事业部,北京,100013 |
| |
| 摘 要： | 分析液压支架立柱外载特征,提出了抗冲击双伸缩立柱结构和原理,建立了双级伸缩立柱冲击力学模型,分析了影响立柱抗冲击性能的因素;进行双伸缩立柱底阀动态分析和设计,解析双伸缩立柱"爬行"现象,给出了避免"爬行"应采取的措施。
|
| 关 键 词： | 双伸缩立柱 冲击载荷 动态分析 底阀 爬行 |
Dynamic Analysis of Double-telescopic Prop against Shocking in Powered Support |
| |
| WANG Guo-fa,ZHAO Zhi-li.Dynamic Analysis of Double-telescopic Prop against Shocking in Powered Support[J].Coal Mining Technology,2010,15(2):62-65,40. |
| |
| Authors: | WANG Guo-fa ZHAO Zhi-li |
| |
| Affiliation: | Coal Mining & Designing Department/a>;Tiandi Science & Technology Co./a>;Ltd/a>;Beijing 100013/a>;China |
| |
| Abstract: | This paper analyzed prop's external load characteristic of powered support and presented the structure and principle of double-telescopic prop against shocking.A shocking mechanics model of double-telescopic prop was set up to analyze influence factors of prop's anti-shocking property.It also made dynamic analysis and design for bottom valve of double-telescopic prop,and analyzed crawlphenomenon of double-telescopic prop.Measures for avoiding crawl were presented. |
| |
| Keywords: | double-telescopic prop shocking load dynamic analysis bottom valve crawl |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
