偏载工况下液压支架特性试验分析  

Test and Analysis of Hydraulic Support Characteristics under Eccentric Load Condition

作　　者：马强[1,2,3] 

机构地区：[1]国家煤矿支护设备质量监督检验中心,北京100013 [2]煤炭科学技术研究院有限公司,北京100013 [3]煤炭资源高效开采与环境保护国家重点实验室,北京100013

出　　处：《煤矿机械》2017年第12期29-31,共3页Coal Mine Machinery

摘　　要：根据液压支架原型试验测定了支架在偏载工况下支护性能及压缩特性的变化规律,实测数据表明,偏载工况下,初撑力大小是支架支护性能能否及时发挥的关键参数;偏载工况下,顶板的下沉量同时受支架压缩量和顶梁变形量的影响。Based on the prototype test of the hydraulic support,the change of the supporting performance and compression characteristics of the support under the eccentric load condition is measured,the measured data show that under the eccentric load condition,the initial support force is the key parameter that can support the performance of the support in time,and under the eccentric load condition,the roof subsidence is affected by both the compression of the support and the deformation of the roof beam.

关 键 词：液压支架 支护性能 压缩量 变形量 

分 类 号：TD355[矿业工程—矿井建设]