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Protection Switch Product Introduction
To ensure the utmost safety in train operations, a protective switch must be strategically installed at specific station locations. These switches work in coordination with certain conditions to provide a safety net, ensuring seamless transitions. In the absence of an automatic arrangement, manual manipulation and locking secure the switches in correct positions, verified by circuits. This setup guarantees comprehensive locking and signal activation. Depending on use and protection needs, turnout protection is categorized as follows:
In scenarios featuring a 6 ‰ downhill approach, or where train braking is challenging, the primary set of turnouts serves as vital protection. Capable of directing to safety lines, special tracks, or refuge lines, these protective turnouts enhance the safety framework.
For downhill continuations, these protective turnouts prevent inbound trains from overrunning outbound signals, offering redirection towards safety lines, dedicated paths, and refuge lanes. These protections are circuit-driven, ensuring reliable operation.
On downhill approaches, manual-operated leveling forks enhance safety by checking their positions before engaging. Located at strategic terminal points, they display continuations visibly, guiding vehicles with distinct light signals and indicators.
In high-activity shunting zones, protection turnouts prevent accidental station line incursions. Specifically designed to redirect to safe lines or dedicated shunting paths, these turnouts ensure operational integrity.
Positioned to prevent 'cross' collisions, dual-action turnouts work in tandem across ferry lines. When one turnout is reversed, the other is locked, preventing mishaps by managing sidestroke forces effectively, minimizing potential damage.
| Number | Model | Gauge(mm) | Frog No. | Curve | Radius(m) | Total Weight(kg) |
| 1 | DK612-2-3 | 600 |
No.2 | 3 | 400 | 311 |
| 2 | DK612-3-6 | No.3 | 6 | 6100 | 515 | |
| 3 | DK612-4-12 | No.3 | 12 | 6800 | 573 | |
| 4 | DK612-5-15 | No.5 | 15 | 7400 | ||
| 5 | DK615B-2-3 | No.2 | 3 | 4000 | ||
| 6 | DK615B-3-6 | No.3 | 6 | 6100 | ||
| 7 | DK615B-4-12 | No.4 | 12 | 6800 | ||
| 8 | DK615B-5-15 | No.5 | 15 | 7400 |
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