Type Ⅱ Fastening System - SAFE Rail Fastening System (Zhejiang) Co., Ltd.
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Type Ⅱ Fastening System

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Scope：Conventional railway
Specification：Type Ⅱ Fastening System
Features：With bolt, W-Tension Clamp,
Enforce the standard：TB/T 3065-2020 Type Ⅱ fastening system
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Type Ⅱ Fastening System

Facebook Twitter Youtube Linkedin
Scope：Conventional railway
Specification：Type Ⅱ Fastening System
Features：With bolt, W-Tension Clamp,
Enforce the standard：TB/T 3065-2020 Type Ⅱ fastening system
Chat Now
Email
WhatsApp
Line

Type Ⅱ Fastening System

Facebook Twitter Youtube Linkedin
Scope：Conventional railway
Specification：Type Ⅱ Fastening System
Features：With bolt, W-Tension Clamp,
Enforce the standard：TB/T 3065-2020 Type Ⅱ fastening system
Chat Now
Email
WhatsApp
Line
Product Description
The Type II Fastening System is an important component in railway infrastructure, offering several notable features and applications.
I. Components and Structure
The Type II Fastening System typically consists of key elements include: Ⅱ-Tension Clamp, 6#&10#-Rail Gauge Baffle, Flat Washer, Apron Block, Rubber Pad, Screw Spike, M24-Nut, Height Adjustment Pad Under Rail

Components of single sleeper

No. Item Specification Quantity/Pcs Note
1 Tension Clamp Ⅱ 4
2 Rail Gauge Baffle 6# 2
10# 2
3 Flat Washer – 4
4 Apron Block – 4
5 Rubber Pad – 2
6 Screw Spike 4
7 Nut M24 4
8 Height Adjustment Pad Under Rail – – Selection

 

II. Performance Characteristics
  1. High Strength
    • The Type II Fastening System is known for its high strength, capable of withstanding the heavy loads exerted by passing trains. This strength is crucial for maintaining the integrity of the rail track and ensuring safe train operations.
  2. Good Elasticity
    • The system exhibits good elasticity, which helps absorb vibrations and shocks generated by train movement. This not only reduces noise but also minimizes wear and tear on the track and train components.
  3. Reliable Performance
    • With its well-engineered design and quality materials, the Type II Fastening System offers reliable performance. It provides a stable and secure connection between the rail and sleeper, minimizing the risk of loosening or displacement.

 

III. Advantages
  1. Durability
    • The Type II Fastening System is highly durable. It is designed to withstand the harsh environmental conditions of railway operations, including exposure to weather, temperature changes, and mechanical stress. This durability ensures a long service life and reduces the need for frequent replacements.
  2. Low Maintenance
    • Due to its durability and reliable performance, the system requires relatively low maintenance. This reduces operational costs and downtime associated with track maintenance.
  3. Easy Installation
    • The Type II Fastening System is designed for easy installation. The components are manufactured to precise specifications, allowing for quick and efficient assembly. Specialized tools and techniques may be used to ensure proper installation.

 

IV. Scope of Application
The Type II Fastening System is widely used in various railway applications. It is suitable for both conventional railways and some urban rail transit systems. It can handle different train speeds and loads, providing a stable and reliable fastening solution.
Assembly and Configuration of Type II  Fastening System:


  1.  The anchoring position of the spike is subject to a height tolerance of ±1mm from the bottom surface of the boss to the rail-bearing surface to ensure that the boss does not collide with the bottom surface of the gauge baffle. The verticality deviation of the screw spike at a height of 80mm from the rail-bearing surface is ±2mm.
  2.  The pull-out resistance of the spike in the concrete sleeper should not be less than 60kN. After the test, the spike should not be damaged, and there should be no visible cracks in the surrounding concrete. However, a small amount of mortar peeling is allowed near the spike.
  3. The baffle seat should be laid flat and closely attached to the shoulder of the sleeper. The rear end of the gauge baffle must fall into the arc groove of the baffle seat. The front end should be closely attached to the rail bottom. The jaw of the baffle should not leave the rail bottom or climb onto the rail bottom.
  4.  When installing the spring clip, flat washer, and nut, the tightening degree of the nut should be appropriate. The gap between the lower jaw at the front end of the middle part of the spring clip and the gauge baffle should not be greater than 1mm. The torque of the nut should be maintained at 100N.m to 120N.m. On curve sections with a radius less than 600m, after the lower jaw at the front end of the middle part of the spring clip contacts the gauge baffle, the nut should be tightened by a quarter turn. The reference torque is 140N.m to 170N.m.
  5. The under-rail base plate should be placed correctly. The protruding edge of the base plate should buckle the rail-bearing platform of the sleeper to prevent the base plate from moving and misaligning.
  6. The position of the sleeper should be correct. If due to sleeper offset, the jaw of the gauge baffle on one side climbs onto the top surface of the rail bottom, and the jaw of the gauge baffle on the other side leaves the rail bottom, the fastening should be loosened, the rail should be lifted and the sleeper should be shifted for adjustment.
  7. Due to manufacturing deviations of rails, sleepers, and fastenings, rail wear, eccentric pressure on base plates, and other reasons, when the gauge needs to be adjusted, baffle seats and gauge baffles of different numbers can be exchanged.
  8.  The longitudinal resistance of each set of fastenings for the rail should not be less than 12kN.

Technical specification for Type Ⅱ Fastening System：*For specific information, please contact us.

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