开远铁路分局鸡街工务段于1987年初研制成功我国第一台钢轨断面测绘仪。目前,该成果已被国家专利局授于专利权。这种钢轨断面测绘仪是由绘图板、使测针、绘图笔平行移动体系及固定装置所组成,使用时将仪器安装在被测的钢轨上,用手沿钢轨断面移动测针,绘图笔即可在图板上相应移动并迅速准确地绘出1:1的钢轨断面图形来。 Kaiyuan Railway Branch Chicken Street Public Works Section in early 1987 successfully developed China’s first rail section mapping instrument. At present, the result has been granted patent rights by the State Patent Office. The rail section profiler is composed of a drawing board, a stylus, a parallel movement system of a drawing pen and a fixing device. When in use, the instrument is installed on the rail under test and the stylus is manually moved along the rail section. The pen You can move it on the board and plot the 1: 1 rail profile quickly and accurately.