摘要
阐述了国内外煤矿支护技术和支护设备的现状、机理和发展趋势,介绍了煤层巷道锚杆支护和回采工作面单体液压支柱支护的现状,指出了单体液压支柱存在的问题,提出了研制新型和环保型单体液压支柱的观点。
This paper expounds the present situation, mechanism an d developing trend of the timbering techniques and timbering equipment in the fore ign and domestic coalmines, introduces the present situation of the pin timberin g of the coal seam tunnel and the monomer hydraulic pillar in coal mining face, points out the problems existing in the monomer hydraulic pillar, and puts forwa rd the opinions of developing the new-type and EP-type monomer hydraulic pillar.
出处
《科技情报开发与经济》
2005年第8期240-242,共3页
Sci-Tech Information Development & Economy
关键词
煤矿支护技术
支护设备
锚杆支护
单体液压支柱
timbering technology in coal mine
timbering equipment
pin timbering
monomer hydraulic pillar
