E clip railway fastener system
Components: usually include spring clips, buckle plates, embedded iron seats, rubber pads, etc. Spring clips are used to provide buckling pressure, buckle plates assist in fixing rails, embedded iron seats are responsible for connecting with sleepers, and rubber pads play a buffering and insulating role.
Main uses: widely used in ordinary railway lines, which can effectively fix rails on sleepers to ensure the stability of rail positions when trains are running. It is more common in some railway branch lines, ground lines of urban rail transit, and other scenarios.
Advantages: relatively simple structure, convenient installation and maintenance, and low cost. Rubber pads can effectively reduce the vibration and noise generated by train operation, protect sleepers and rails, and extend their service life.
Components: Generally composed of specially designed spring clips, insulated gauge blocks, embedded sleeves, etc. The spring clip has a unique design and can provide stable and lasting buckle pressure; the insulated gauge block can accurately adjust the gauge and achieve electrical insulation; the embedded sleeve is convenient to combine with the sleeper.
Main use: Suitable for high-speed and heavy-load railway lines, meeting the strict requirements of high-speed and large-axle-weight trains on track stability. It plays an important role in key lines such as high-speed railway trunk lines and heavy-load freight railways.
Advantages: It has a strong buckle pressure retention ability, which can ensure that the rails and sleepers are tightly connected and not easy to loosen even under long-term dynamic loads. Its good insulation performance can effectively prevent current leakage and ensure the normal operation of the railway signal system. At the same time, the system has strong adaptability to sleepers and can be installed and used on sleepers of different materials and structures.
Fist clip railway fastener system
Components: Common components include spring clips, iron pads, anchor bolts, rubber boots, etc. The spring clips tightly fasten the rails, the iron pads disperse the pressure, the anchor bolts fix the entire system to the sleepers, and the rubber boots play a waterproof, dustproof and buffering role.
Main uses: Mostly used in subway lines in urban rail transit. The subway operating environment is complex, with frequent starting and braking. This system can cope with such working conditions and ensure the stability of the track.
Advantages: It has excellent vibration resistance and can effectively absorb the strong vibration generated by the operation of subway trains and reduce the impact on the surrounding environment. The protective effect of the rubber boots can prevent the intrusion of impurities such as moisture and dust, improve the durability of the system, and reduce the maintenance workload.
Components: Mainly composed of K-type spring clamp, gauge baffles, bolts, insulating buffer pads, etc. K-type spring clips provide reliable buckling pressure, gauge baffles adjust the gauge, bolts achieve fastening connection, and insulating buffer pads have both electrical insulation and buffering functions.
Main uses: Applicable to a variety of railway scenarios, including conventional railways and some urban light rail lines. Under different operating speeds and environmental conditions, the connection between rails and sleepers can be well achieved.
Advantages: The K-type spring clamp has a reasonable design, uniform buckling pressure distribution, and can effectively prevent rail creep. The gauge baffle can flexibly adjust the gauge to meet the gauge requirements of different lines. The insulating buffer pad has excellent performance, which can not only reduce the noise of train operation, but also avoid short circuit of track circuits and ensure stable signal transmission. The system is highly versatile and easy to replace and maintain components.
Nabla Railway Fastener System
Components: including special-shaped spring clips, rail pads, anchoring devices, insulating components, etc. Spring clips provide stable buckling pressure, rail pads buffer train loads, anchoring devices firmly connect sleepers, and insulating components ensure electrical insulation.
Main uses: often used in railway lines with special requirements, such as some electrified railways with extremely high requirements for track stability and electrical insulation performance. This system has obvious advantages in areas where there is strong electromagnetic interference along the railway or strict requirements for signal transmission.
Advantages: In complex electromagnetic environments, it can maintain good electrical insulation performance, ensure accurate transmission of railway signals, and avoid signal interference. Its spring clips and anchoring devices are well designed and can withstand large lateral and longitudinal forces, ensuring the stability of the track under high-speed train operation and severe weather conditions. The high-performance buffer material of the rail pad can effectively extend the service life of rails and sleepers.
SKL Railway Fastener System
Components: Generally composed of SKL spring clips, gauge blocks, iron pads, bolt assemblies, etc. SKL spring clips fasten rails, gauge blocks accurately adjust the gauge, iron pads disperse pressure, and bolt assemblies achieve fastening.
Main uses: Widely used in European high-speed railways and some heavy-load railways. With its reliability and stability, it meets the high requirements of high-speed and heavy-load transportation on track structure.
Advantages: It has extremely high buckling pressure and good elasticity. The special design of SKL spring clips makes it possible to minimize buckling pressure attenuation during long-term use, and it can always tightly fix the rails. The elastic components of the system can effectively buffer train loads and reduce fatigue damage to track components. In addition, the system is easy to install and disassemble, which is convenient for large-scale railway construction and subsequent maintenance work.
WJ Railway Fastener System
Components: Usually composed of WJ-type spring bars, insulated gauge blocks, embedded sleeves, rubber pads, etc. WJ-type spring bars provide buckle pressure, insulated gauge blocks adjust the gauge and insulate, embedded sleeves are used to install bolts, and rubber pads are used for shock absorption.
Main uses: Widely used in railway construction, covering a variety of line types such as high-speed, conventional railways and urban rail transit.
Advantages: This system is a mature product independently developed by China and verified by a large number of engineering practices. It has good versatility and interchangeability, and components between different lines can be replaced with each other, reducing maintenance costs. Its buckle pressure and elastic parameters have been optimized and designed to adapt to trains with different running speeds and axle weights, ensuring the safety and stability of the track structure, while effectively reducing the noise and vibration generated by train operation.