1) four-pillars chock-shield
四柱支撑掩护式
1.
According to three-soft working face technical problems such as serious rib spalling,advance roof fall, support sinking and so on, ZZ6400/18/38 four -pillars chock-shield is designed and manufactured.
针对"三软"煤层工作面煤壁片帮严重、超前冒顶和支架易扎底等技术难题,设计研制了ZZ6400/18/38型四柱支撑掩护式液压支架,经过回采实践表明,该支架适应"三软"煤层工作面围岩条件,支架运行正常,工况良好。
2) support and shield type
支撑掩护式
1.
Mainly introduces one kind system design method of the support and shield type hydraulic pressure support for the coal bed of thickness 3.
5-8 m,煤层倾角8°的支撑掩护式液压支架的总体设计方法,包括架型选择、基本参数确定、四连杆机构设计、整体受力分析和立柱参数确定等设计步骤。
2.
One kind system design method of the support and shield type laying down top coal hydraulic pressure support was introduced,including the design procedures of the choice of hydraulic pressure support types,the basic parameter determination,the design of four link motion gear,the overall stress analysis of hydraulic pressure support and the column parameter determination and so on.
主要介绍了支撑掩护式放顶煤液压支架总体设计的方法,包括支架架型选择、外载荷和支护性能分析、基本参数的确定、四连杆机构设计、整体受力分析和立柱及柱窝位置确定等设计步骤。
3) four-leg shock
四柱支撑式
1.
By analyzing the questions showed in four-leg shock top-cave support,considering the better adaption of two-leg shield support for coal seam conditions,after a mount of demonstration,I design this two-leg low-position shield top-caving support,which is a new kind and further opens a new adaption situation for hydraulic support.
通过对四柱支撑式放顶煤液压支架存在问题的分析和两柱掩护式液压支架对煤层条件的良好适应性,经过大量的分析和论证,设计了两柱掩护式低位放顶煤液压支架,该型液压支架的设计和开发,为放顶煤液压支架的推广和应用提供了广阔的前景。
2.
9 seam of Xingtai Mining Area,the paper analyzed the selection and application of the four-leg shock support hydraulic powered coal caving supports and hydraulic two-leg shield supports in each mine of Xingtai Mining Area base on the top coal caving technology in the recent years.
在介绍邢台矿区9号煤的地质赋存情况、特点及开采方式的基础上,分析了近几年来采用放顶煤技术中,四柱支撑式放顶煤支架和两柱掩护式放顶煤支架及配套设备在邢台矿区各矿的选型和应用以及在使用过程中的经验教训,并对2种架型及配套设备的优缺点、使用前景及选用原则进行总结。
4) 2-leg shield support
两柱掩护式支架
1.
In order to solve the problem of support-strata worsening induced by improper supporting in top-coal caving working face,the role of equilibrium jack in adaptability of 2-leg shield support is studied.
针对两柱掩护式支架在放顶煤工作面出现的因位态不合理而引起支架围岩状态恶化的情况,对平衡千斤顶在放顶煤两柱掩护支架适应性的作用进行了探讨。
5) standing shield hydraulic support
支撑掩护式液压支架
补充资料：V形柱式支座
分子式：
CAS号：
性质：每两根支柱组成一组呈V字形结构，每组支柱与球形容器的赤道圈等距离相连，柱间无拉杆连接的一种球形容器柱式支座。其承受膨胀变形较好。并且由于支柱与壳体相切，相对赤道平面的垂线向内倾斜2°～3°，因而在连接处可产生一向心水平力，增加了基础的稳定性。
CAS号：
性质：每两根支柱组成一组呈V字形结构，每组支柱与球形容器的赤道圈等距离相连，柱间无拉杆连接的一种球形容器柱式支座。其承受膨胀变形较好。并且由于支柱与壳体相切，相对赤道平面的垂线向内倾斜2°～3°，因而在连接处可产生一向心水平力，增加了基础的稳定性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条