In terms of features, refer to section 7.2 of EN 13452-1.Each resource control power on the ship navigation price independent of each other. Decreases the target speed is:-Keep conventional ship: 1, 1 m/s2.-Keep the emergency ships:-1, 3 m/s2.-Reduce speed to keep emergency vessels as low as 0, 85 m/s2.Ships have load-factor correction equipment, making keeping emergency ship and keep conventional ship when in load conditions from AWO to AW3 was kept the same ship. In case not enough traction, the experiment will proceed according to the conditions specified in the UIC 541-5. All devices in the status of the norm, but a redirect quarantined price completely (do not hold the ship), ship the emergency measure and by keeping the largest conventional ship when only 80 km/h and a speed of 40 km/h, which does not happen with slipping phenomena.The train can run the full distance in case the ship lacks electricity and the operation of other business conditions are still used. Especially when the device keep the ship not downgraded, the device keeps the ship from being excessive wear. Redirect price independent design (control circuit, the system kept the ship, autonomy, anti-slip device). The issue of local systems (mechanics, electricity, and gas) will only make the ship of the corresponding navigation price lost.Designed to hold emergency ships often have to refer to the principle of the issue-safety (fail-safe). Monitor the number of quarantined due to shaft hold the ship. Monitoring the effect of keeping or cancel the train when stopped.2. Hold the mechanical typeKeep mechanical ship is done through keeping the train friction. Mechanical ship method is:(1) the direct effect of ship plate up on the cake Board related:A. If the design requirements, the signal in each ship a resource does not have the function of keeping the ship, but the other wheels are a must have.B. Each axis at least have a face gear made keeping the train when stopped.C. Bánh tàu và tấm giữ tàu được bù tự động.(2) Tấm giữ tàu tác dụng lên trên đĩa giữ tàu, đĩa giữ tàu lắp trên mỗi trục tàu của mỗi giá chuyển hướng (mỗi trục có 2 đĩa giữ tàu)Giữ tàu khi dừng, giữ tàu thông thường và giữ tàu khẩn cấp, có thể áp dụng một phần hoặc toàn bộ việc giữ tàu bằng cơ khí.Loại hình giữ tàu cơ khí là điện khí động (khởi động bằng khí động).3. Giữ tàu điện lực
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