Details of turnout products:
frog is assembled from wing rail, fork center, fork track and other parts. The fork center is made of high manganese steel. The toe and heel end can be directly welded with the rail of the line. The turnout is a kind of line connection equipment that enables rolling stock to transfer from one track to another. It is also one of the weak links of the track. It is usually laid in a large number of stations and marshalling yards. The turnout can give full play to the passing capacity of the line. Even if it is a single track railway, the train can be opened in opposite direction by laying turnouts and building a section of fork line greater than the length of the train. Turnout product classification: single turnout, double turnout, triple turnout and multiple turnout (double turnout). The double turnout is Y-shaped, that is, the two tracks connected with the turnout bifurcate to both sides. Three turnouts are like Ψ The two sets of switch rails are operated by two groups of switch machines. The compound turnout is like an X shape, which is actually equivalent to the combination of four groups of single turnout and a pair of diamond crossings. In addition, there is also a kind of crossing equipment, commonly called diamond crossing. It consists of two sets of acute angle frogs and. Maintenance standard of turnout installation device: 1 Fixing screws of turnout installation device shall be fastened, and the device shall be free of old damage and crack. 2. All connecting rods and external locking devices shall be free of old damage and cracks, rods shall be free of abrasion and rust, and pin hole wear shall not be greater than 1mm. Technical parameters of turnout: turnout series 608, 612, 615, 715, 915, 618, 718, 918, 622, 722, 922, 624, 724, 924, 630, 730, 930, 938, 643, 50, 60, two and eleven series turnout types: single opening, symmetrical, crossover, crossover, symmetrical combination, diamond crossing Four track set lines Seven types of gauge 600, 762, 900, 1435 Four types of gauge 8, 12, 15, 18, 22, 24, 30, 38, 43, 50, 60 Eleven types of frog No. 2, 3, 4, 5, 6, 7, 8, 9, 12 Nine types of frog No. Curve radius 4, 6, 9, 12, 15, 20, 25, 30, 40, 50, 70 Eleven types of curve radius Line spacing 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2200, 2500 Ten types of line spacing HK15.
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