Què és una junta de carril estàndard?
Dec 31, 2025
A, often called a fishplate or rail joint, is a metal bar that connects two adjacent rail ends, creating a continuous track for trains; it holds rails in place, allows for thermal expansion/contraction, and provides a stable, smooth passage for wheels, crucial for safety and maintenance.
- Connection: Joins two separate rail sections end-to-end.
- Continuity & Stability: Ensures smooth train movement by reducing impact at the joint.
- Expansion Allowance: Provides a small gap for rails to expand in heat and contract in cold.
- Maintenance: Allows for easy replacement of individual rail sections.

- Fishplate (Joint Bar): The flat steel bar itself, with holes.
- Fish Bolts & Nuts: Fasten the joint bar to the rails.
- Rail Fastenings: Clips, spikes, pads that secure the rail and joint to sleepers (ties).

| 43kg Rail Fishplate | 800 | 65 | 16 | 22 | 90/105 | M22 | ||
| 50kg Rail Fishplate | 800 | 65 | 20 | 24 | 100/120 | M24 | ||
| 60kg Rail Fishplate | 860 | 70 | 20 | 24 | 100/120 | M24 | ||
| QU70 Crane Rail Fishplate | 760 | 70 | 20 | 24 | 90/105 | M24 | ||
| QU80 Crane Rail Fishplate | 820 | 75 | 20 | 24 | 100/120 | M24 | ||
| QU100 Crane Rail Fishplate | 950 | 80 | 22 | 26 | 105/125 | M27 | ||
| QU120 Crane Rail Fishplate | 1050 | 85 | 26 | 26 | 110/130 | M27 |
supplies rail fishplates for light rail, heavy rail, and crane rail systems. Each model is manufactured to international railway standards and available in carbon steel, alloy steel, or customized materials to meet specific operational needs.
All fishplates undergo precision machining, heat treatment, and anti-corrosion surface processing, ensuring optimal clamping force, fatigue resistance, and long-term service life.
Railway fish plate is a rail component that is widely applied in the railway track. Vehicle can produce huge impulse and friction force when the train runs at high speed. Safe railway transportation requires high quality of railway fish plates, besides that, maintenance of railway fish plate is also important.

- Firstly, adopting supporting fish bolt can increase the performance of railway fish plate.
- Secondly, connection rod cap can be fastened by twisting wrench strongly.
- Thirdly, it is responsible to perform second-class maintenance at each 1200km operation. Engine oil pan should be removed in the maintenance of railway fish plate, check the usage of the engine bearing, if the gap is too large, change it immediately. At the same time, the connecting rod of fish bolt should be changed too.
- Finally, in the daily operation, unstable operation or abnormal noise should be noted and check in time.
can provide you with different rail joints such as GB, AREMA, BS, UIC, AS, African standard, South American standard, and different types such as common rail joint, compromise rail joint, bulge rail joint, insulated rail joint and glued insulated rail joint, etc. Our products have been exported to more than 20 countries and areas and more than 50 types of rail joints of standard and nonstandard are available for global customers.







