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为了改善煤矿井下铺路作业和适应井下机车车辆高速行驶的需要,英国煤炭局与各有关公司合作研制采用了几项新技术。 1.组装式轨枕奥尔德姆Cirtemetric有限公司设计一种井下用新型组装式轨枕,分标准型和加长型。轨枕上装有轨座,座板上固定有双层定位板,轨枕上还预先钻出道钉孔。使用时只需将钢轨放入定位板之间、钉入道钉便可。此外,该公司还制出钢质轨枕,可用带螺栓
In order to improve the underground coal mine paving operations and adapt to the needs of high speed underground locomotives, the British Coal Bureau and the relevant companies to develop a number of new technologies developed. 1. Assembled sleepers Oldham Cirtemetric Co., Ltd. designs a new type of assembled sleeper for downhole applications in standard and extended versions. The sleeper is equipped with a rail seat. The seat plate is fixed with a double-layer positioning plate, and pre-drilled holes of the road screw are also arranged on the sleeper. Just use the rail into the positioning plate between the nail into the nail can be. In addition, the company also made steel sleepers, available with bolts