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Product Overview
Connecting rails and fishplates, it provides anti-loosening tightness through the inclined plane self-locking principle. It is used for the maintenance and upkeep of conventional railways, station lines, turnout areas, and all sections with retained rail joints. Its integrity directly affects the stability of the rail joint, thus impacting track smoothness, traffic safety, and the function of equipment at the joint (such as insulated joints). It is one of the standard solutions for handling rail joint problems.
Key Features
Excellent anti-loosening performance:
The sloping structure makes it less prone to loosening under the impact and vibration of passing trains, with reliability far exceeding that of ordinary straight bolts.
Simple structure and strong load-bearing capacity:
The axial tensile force of the bolt is converted into a lateral clamping force on the fishplate, resulting in reasonable stress distribution.
Application Scope
Standard track joint:
A standard rail joint suitable for non-seamless tracks.
Insulated joint:
Used in sections requiring circuit insulation (such as automatic block sections), in conjunction with insulated fishplates and insulating components to form an insulated joint.
Frozen joint:
In some special sections, to eliminate repeated opening and closing of the joint gap, high-strength bolts and special processes are used to "freeze" the joint; dovetail pins are one of the key fasteners.
Turnout area joint:
Used at the rail connection points before and after turnouts.
Bridge guard rail joint:
May also be used for the installation and connection of guard rails on bridges.
FAQ
Q: What are the mechanical properties of the product?
A: This product is a high-stress safety component, and we strictly control its mechanical properties:
Fatigue Life: It undergoes millions of pulse fatigue tests to simulate actual working conditions, ensuring no risk of breakage during long-term use.
Toughness Guarantee: Optimized heat treatment processes maintain good toughness while ensuring high hardness, preventing brittle fracture.
Q: Are you a manufacturer? What experience does your company have in this field?
A:Company Nature: We are a professional manufacturer integrating R&D, production, and sales. We have our own factory and complete production lines, enabling us to effectively control costs and quality.
Industry Experience: We have focused on railway track maintenance/signaling components for over 10 years, providing stable supplies to numerous railway bureaus, subway companies, and system integrators in China. Our products have undergone extensive practical application verification.

Product Overview
Connecting rails and fishplates, it provides anti-loosening tightness through the inclined plane self-locking principle. It is used for the maintenance and upkeep of conventional railways, station lines, turnout areas, and all sections with retained rail joints. Its integrity directly affects the stability of the rail joint, thus impacting track smoothness, traffic safety, and the function of equipment at the joint (such as insulated joints). It is one of the standard solutions for handling rail joint problems.
Key Features
Excellent anti-loosening performance:
The sloping structure makes it less prone to loosening under the impact and vibration of passing trains, with reliability far exceeding that of ordinary straight bolts.
Simple structure and strong load-bearing capacity:
The axial tensile force of the bolt is converted into a lateral clamping force on the fishplate, resulting in reasonable stress distribution.
Application Scope
Standard track joint:
A standard rail joint suitable for non-seamless tracks.
Insulated joint:
Used in sections requiring circuit insulation (such as automatic block sections), in conjunction with insulated fishplates and insulating components to form an insulated joint.
Frozen joint:
In some special sections, to eliminate repeated opening and closing of the joint gap, high-strength bolts and special processes are used to "freeze" the joint; dovetail pins are one of the key fasteners.
Turnout area joint:
Used at the rail connection points before and after turnouts.
Bridge guard rail joint:
May also be used for the installation and connection of guard rails on bridges.
FAQ
Q: What are the mechanical properties of the product?
A: This product is a high-stress safety component, and we strictly control its mechanical properties:
Fatigue Life: It undergoes millions of pulse fatigue tests to simulate actual working conditions, ensuring no risk of breakage during long-term use.
Toughness Guarantee: Optimized heat treatment processes maintain good toughness while ensuring high hardness, preventing brittle fracture.
Q: Are you a manufacturer? What experience does your company have in this field?
A:Company Nature: We are a professional manufacturer integrating R&D, production, and sales. We have our own factory and complete production lines, enabling us to effectively control costs and quality.
Industry Experience: We have focused on railway track maintenance/signaling components for over 10 years, providing stable supplies to numerous railway bureaus, subway companies, and system integrators in China. Our products have undergone extensive practical application verification.
