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Turnout
  • 单开道岔
  • 单开道岔
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Single turnout

A single turnout is the basic setting for branching a track into two or more tracks to enable locomotives to change from one line to another. The turnout number is expressed by a frog number. The intersection angle between the working sides of the fork center is called a frog angle, and the cotangent value of the frog angle is called a frog number. View this product feature

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Single turnout product details

Introduction of single turnout

A turnout is a basic setting for branching a track into two or more tracks to enable locomotives to change from one line to another. The turnout number is expressed by a frog number. The intersection angle between the working sides of the fork center is called a frog angle, and the cotangent value of the frog angle is called a frog number.

Commonly used turnouts are divided into single turnouts, symmetrical turnouts, double intersection turnouts and intersection lines. Turnout is a special track equipment, which not only affects the safety of train operation, but also has a shorter service life than other equipment, and has a large amount of maintenance and repair work on site.

The most commonly used single turnouts in China are straight lines, and the side lines turn left or right from the main lines. They are also called left turnouts and right turnouts, and their numbers account for more than 90% of the total number of turnouts.

Single turnout features

Single turnout is one of the common railway accessories. One type of movable turnout single turnout refers to the fact that the individual components of the frog can move. How to prove the continuity of the rail line when the train is too poor, eliminating the fixed turnout of the single turnout There is harmful space on the surface, and the guard rail can be eliminated. At the same time, the smoothness of the single turnout in the longitudinal section can also be greatly reduced, thereby significantly reducing the wheel-rail interaction of the single turnout, and improving the operation and Stability, extend the life of the frog.

Long-term operation practice shows that the service life of the movable rail frog is 6 to 9 times that of the same type of high-manganese steel complete cast frog, and the maintenance and repair workload is reduced by 40%, which greatly reduces the impact force when rolling stock passes. The permissible speed and operating comfort of a single turnout are obtained.

Single turnout quality inspection report

Single turnout quality inspection report


Single turnout physical map

Single turnout


Single turnout


Single turnout

Due to different production batches and specific models, the above pictures are for reference only. For details, please contact our sales staff for specific verification.

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11 North Kaiyuan Road, Jining High-tech Zone, Shandong

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