Railway turnout types Xin Yang Machinery (certified), Gansu railway turnouts by Linzhou Xin Yang Machinery Industry Co., Forest City Xin Yang Machinery Industry Co., Ltd. (www.lzxyjx.com) is specialized in the "tub, turnout," the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Li. In the mid-1970s to the 1980s, also designed and produced with the "75" type on the 9th, the 12th standard single turnout supporting cross points turnout, crossover, single symmetric turnout on the 6th, the 18th big turnouts, three turnout, turnout concrete sleeper, such as supporting the "75" series turnout. By the early 1990s, the railway turnout paving, laying of railway use "75" type (including "62" type) turnout over 100,000 group, accounting for more than 80% of the total railway turnouts. ⑴ remediation measures for the prevention of cavities and hanging plate railway turnout frog knowledge base exists to strengthen the bottom of the frog tamping, especially the heart and frog tamping fork around the joints. ⑵ frog wide bottom, small sleeper spacing, good tamping. Sometimes taking emerging spike, raised frog, booster pads in place with 3 ~ 5mm, then remove a sleeper, with lifting machine to lift sleeper tamping conducted. Such conduct by the root, both remediation bending sleeper railway turnout, but also improve the firmness tamping improve frog base strength. ⑶ aid program have the opportunity to replace the sleeper thoroughly strengthen frog tamping end. ⑷ use flip sleeper approach, carried frog tamping bottom evenly.