两柱掩护式放顶煤液压支架在三软煤层中的适应性研究  

Study on Suitability of Two Leg Shield Type Hydraulic Powered Caving Support Applied to Seam with Soft Roof,Soft Coal and Soft Floor

作　　者：刘永兴 

机构地区：[1]中国煤炭科工集团重庆设计研究院,重庆400016

出　　处：《煤炭工程》2011年第7期115-117,共3页Coal Engineering

摘　　要：为了能够更好地适应"三软"煤层条件下的放顶煤开采,文章通过对两柱掩护式放顶煤液压支架的受力分析和支架上方受力的相似模拟试验研究,得出两柱掩护式放顶煤液压支架对"三软"煤层的适应性更好。In order to be better suitable to meet the top coal caving under the condition of the seam with soft roof,soft coal and soft floor,the load analysis on the two leg shield type hydraulic powered caving support and the similar simulation test study on the load from the top of the powered support showed that the two leg shield type hydraulic powered support would have a better suitability to the seam with soft roof,soft coal and soft floor.

关 键 词：两柱掩护式 放顶煤 液压支架 三软煤层 

分 类 号：TD355[矿业工程—矿井建设]