首页 | 本学科首页   官方微博 | 高级检索  
     

综采工作面端头支架加设活动顶梁
引用本文:李喜乐 王胜利 等. 综采工作面端头支架加设活动顶梁[J]. 煤, 2000, 9(4): 50-51
作者姓名:李喜乐 王胜利 等
作者单位:晋城矿务局凤凰山矿!山西晋城048007
摘    要:综采工作面的进回风巷超前支护要用很多板梁。随着工作面的推进 ,几乎所有的板梁都被甩入采空区而废弃。为解决这一问题 ,可在端头支架加设活动顶梁。不仅可省去大量的架棚套棚工时 ,而且可节省材料费用 ,同时可增加端头维护工作的安全性 ,大大提高了劳动效益 ,有很好的经济和社会效益。

关 键 词:端头支架  前顶梁  活动顶梁

The feasible analysing about end support setted with expansion stull in the comprehensive mechanized coal mining face
LI Xi?le,WANG Sheng?li,CHANG Ling?xian. The feasible analysing about end support setted with expansion stull in the comprehensive mechanized coal mining face[J]. Coal, 2000, 9(4): 50-51
Authors:LI Xi?le  WANG Sheng?li  CHANG Ling?xian
Abstract:The advance support of intake and return aircourse needs a lot of plate girders in the comprehensive mechanized coal mining face.As the equipments are impeled ,almost all of the plate girders are swinged behind them and tobe disused.In order to solve this probiem,an expansion stull can be setted on the end support.This method not only saves many work and time spended on radking girders,but also saves many and many material costs.In the same time,it can avoidance many unsafe factors created from the end service work,increase the work efficiendy a lot,and it can win satisfactory socioeconomic performance.
Keywords:face-end support  cantilever roofbar  estensible canopy
本文献已被 CNKI 维普 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号