Functions of railroad anchors
The principal role of a railroad anchor is to prevent the railroad track from “creeping”, which means the gradual longitudinal displacement resulting from stress imbalance, temperature change, etc. The rail anchors not only clamp on the rails but also against the sleeper so that it can provide sufficient friction and resistance to keep the track from sliding forward when trains pass by. It also helps in eliminating cuts and wear of wooden ties.
Advantages of AGICO rail anchors
ISO9001-certified rail anchors provide uniform style and high quality for optimal rail fit, with increased longitudinal keeping power.
Available in both drive-on and spring designs.
Available for solutions for various rail kinds and situations.
Customers can use it quickly, easily, and safely.
Specification of railroad tie anchors
| Name | Rail Anchors | ||
| Type | Used for 50Kg, 85Kg,90/91LB, 115RE /136RE ,UIC54 & UIC60 rail | ||
| Or the type by customers’ drawings | |||
| Material | 60Si2MnA | 45# | QT500-7 |
| Chemical composition (%) | C:0.56-0.64, Mn:0.60-0.90, Si:1.60-2.00, Cr:≤0.35, P:≤0.03, S:≤0.03 | C:0.42-0.50, Mn:0.50-0.80, Si:0.17-0.37, Cr:≤0.25, P:≤0.035, S:≤0.035 | C:3.60-3.80, Mn:≤0.6, Si:2.50-2.90, P:≤0.08, S:≤0.025 |
| Surface | plain (oiled), color painting | ||
For heavy rail tracks such as 50kg, 70lb, 80lb, and 90/91lb, the best option for steel material is 60Si2MnA, based on our former production experience and customer feedback, this material shows more stable mechanical properties than most common material for rail anchor production is 60Si2MnA.
| Type | Material | Weight(g/pc) |
|---|---|---|
| 50Kg | 60Si2MnA | 800 |
| 70LB | 60Si2MnA | 800 |
| 85LB | 60Si2MnA | 800 |
| 90/91LB | 60Si2MnA | 800 |
Various rail anchors for sale
AGICO supplies rail anchors that fit various rail section dimensions such as 85LB, 90LB, 115RE, 132RE UIC54, UIC60, 50kg, etc. The products are manufactured based on high standards and have passed the ISO9001 certificate, proving to compete in different conditions.
Drive-on anchor
Features
Installation method: The design enables it to be mounted to the rail by a vehicle or mechanical device drive, without the need for manual installation.
Improve efficiency: The use of drive machinery can greatly increase the installation speed and reduce the need for manual labor.
Enhance track stability: A drive-on rail anchor is particularly suitable for the construction and maintenance of large rail projects, such as high-speed railways, heavy haul railways, or large-scale track renovations.
Application scenario
High-speed and heavy haul railways: These railways often have high requirements for track stability, and Drive-on rail anchors help ensure the long-term stability of the track system by providing greater installation efficiency and reliability.
Track maintenance: In the routine maintenance and inspection of the track, the use of drive anchors can significantly increase the working speed and reduce downtime.
Unit wrench-on anchor
Features
Installation method: Unit wrench-on anchors are usually installed with the help of a wrench tool. When installed, the wrench tool is fixed to the track by making contact with the anchor. Because it is designed for tool operation, it provides a strong locking action to ensure track stability.
Stability: It is usually made of strong metal materials, which can provide high stability and anti-slip under the operating load of the railway. The shape design of the anchor helps to increase the friction between the rail and the sleeper, thereby reducing the risk of the track displacing during use.
Application scenario
It is usually suitable for places where high-strength fixing is required, such as heavy haul railways, standard railways, and urban rail systems. This type of anchor is often used on railway lines where high accuracy and stability are required due to the tool required for its installation.
Unit channel anchor
Features
Simple structure: Designed with a simple but robust structure, it can produce more friction between the rails and sleepers to avoid longitudinal movement.
Installation method: The design is convenient to install by using hand tools. In the installation process, tools are usually required to push the anchor into the desired position and tighten it.
Durability: The unit channel anchor is made from high-strength steel materials, which can last long in harsh environments.
Application scenario
Unit Channel anchor is suitable for railway lines with relatively high requirements for stability and anti-sliding. It is commonly seen in normal rails, high-speed rails, and heavy-haul lines.
Improved fair anchor
Features
Simple structure: The design is comparatively traditional, however, the wedge structure has been improved to strengthen the bearing force and anti-slide ability. With the delicate design, it can effectively increase the contact surface with the rail base, thus increasing the friction.
Installation method: The installation is relatively simple. The common method is to use hand tools or special equipment.
Application scenario
It is suitable for ordinary railways, urban rail transit, and other railway systems requiring fixed track.
How does the railroad anchor work?
The reason why the rail anchor can grip the rail is mainly due to its design and working principle. Here are a few key factors:
Friction force
Track anchors are usually made of metal materials, such as steel, and have special shape designs. It is usually shaped like a wedge or convex structure, which prevents the movement of the rail by creating greater friction between the rail and the sleeper. The greater the friction, the more difficult it is for the rail to slide or crawl under stress.
Elasticity and compression force
The design of the track anchor has a certain elasticity or compression function. When it is installed at the bottom of the rail, it provides additional compression force, firmly anchoring the rail to the rail pillow, further increasing friction and reducing the possibility of sliding the rail.
Adaptation to temperature change
The rail will expand and expand due to temperature changes (such as thermal expansion and cold contraction) during operation, and the track anchor can adapt to this change through its structure, maintain the stability of the rail, and prevent the irregular movement of the rail due to temperature difference.
The locking effect of structure
Rail anchors are usually installed in close contact with the rail, and some designs will make the anchor grip the rail like a “lock” when stressed, not allowing it to move horizontally.
