Design of High-Speed Railway Turnouts: Theory and by Ping Wang

By Ping Wang

High-speed turnouts, a key know-how for high-speed railways, have an exceptional impression at the secure and solid operating of high-speed trains. Design of High-Speed Railway Turnouts: idea and functions, comprehensively introduces the technical features and standards of high-speed turnouts, together with layout theories and strategies of turnout format geometry, wheel and rail family members, music stiffness, welded turnout, turnout conversion, turnout elements, and manufacture and laying applied sciences of turnouts.

Analyzing the operational difficulties of China’s high-speed turnout specifically, this ebook discusses the keep watch over of constitution irregularity, nation irregularity, geometrical irregularity and dynamic irregularity through the layout, manufacture, laying, and upkeep of turnouts. on the finish of this reference e-book, the writer presents high-speed turnouts administration equipment, upkeep criteria, checking out and tracking know-how, and upkeep expertise. Design of High-Speed Railway Turnouts: conception and Applications will let railway technicians around the world to increase an in-depth wisdom of the layout, manufacture, laying, and upkeep know-how of high-speed turnouts.

  • The first e-book on the planet to concentration explicitly on high-speed turnouts, together with layout, development, upkeep and administration of excessive velocity turnouts
  • Expounds the idea of vehicle-turnout method coupling dynamics intimately, aligning this with numerous examples of computation, and examines the result of dynamic experiments which validate the theory
  • Written via Ping Wang, who's well-known as a number one researcher and major developer of high-speed turnouts in China

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Heating type, wind-warming type, and water-warming type) are used. 2. United Kingdom The CWR turnouts manufactured by Balfour Beatty of the United Kingdom mainly involve fixed crossings and swing nose crossings. These turnouts are widely applied to railways for mixed passenger and freight traffic, with a maximum design axle weight of 35 t and highest traveling speeds of 250 km/h. The CWR turnouts were once exported to the United States and other nations. 60 Crossing. 61 Rollered slide plate. 62 Fixed crossing.

Electrical parameters Power supply: three-phase 380 V AC (allowable electric resistance for single line $54 Ω), 50 Hz Operating time: #8 s. The switch machine shall be circuited internally and marked properly. The operating time of the switch machine is a major indicator affecting route setting, and the minimum requirements are determined by use conditions. e. Locking mode The separate movement external locking device should be used for switch rails, and the position of its traction rod shall be readily accessible for tamping and maintenance operation.

Thus, the same problem may occur in terms of the speed in the main line. In the design of the crossing, the wing rails in the main and diverging lines are designed as symmetrical, and have the same angle of attack as the check rails. When the wheels move from wing rails to point rails at the crossing, as they leave the wing rails, the conical and worn profile treads will drop as the contact points move outward. Then the wheels will gradually return to the original level after moving onto the point rails.

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