Overview of Rail Fixtures and Fastening Components

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Rail fixtures and fastening components play a crucial role in maintaining the stability, alignment, and safety of railway tracks. This article covers types of fixtures such as fish plates, bearing plates, spikes, bolts, keys, and cotters, along with their functions and importance in railway infrastructure. Understanding these components is essential for proper maintenance and efficient operation of railway tracks.


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  1. Rail fixtures & fastening All the fitting which is used for linking of rail end to end & also for fixing rails to the sleeper in track are known as fixture & fastening

  2. Rail fixtures & fastening

  3. Types of fixtures & fastening Fish plate Bearing plate Chairs Spikes Bolts Keys & cotters Anchors & anticreepers

  4. Fish plate Used to maintain the continuity of rail in a track Made of mild steel 20mm thick 456cm long provided with 4no. Of 32mm dia. Hole at 114mm c/c

  5. Function of fish plate To maintain continuity of rail in track To allow expansion & contraction of rail due to temp. To maintain correct alignment at each rail joint

  6. Bearing plate The placed between flat footed rails & wooden sleeper Type Flat bearing plates Canted bearing plate

  7. Flat bearing plates Canted bearing plate

  8. Function of bearing plate To prevent sinking of rail in wooden sleeper To distribute the load uniformly To enable the spike to be held tight To prevent shifting of rail To eliminate adding of wooden sleeper To maintain gauge when bearing plate are used To achieve economy

  9. Spike It is require to fix the rail, bearing plates or chairs to woooden sleeper

  10. Requirement of good spike They should be strong enough to hold the rail, bearing plate and chair in proper position They should be easy in fixing and removing They should not come out due to vibrations They should be cheap

  11. types Round spike Dog spike Screw spike Round spike Standard spike Standard spike Screw spike

  12. Elastic spike

  13. Bolt To connect various joint in track

  14. Function To connect fish plate to rail To connect chair or bearing plate to timber sleeper To connect sleeper to bridge girdeer

  15. Types Fang bolt Hook bolt FISH BOLT

  16. keys It is require to keep the rail in proper position

  17. Type Timber keys Metal key Stewart key Spring coiled key Morgan key

  18. Anchor or Anti creeper It is used to prevent the creep in rail They are available in different shape The no of anti creeper depend upon amount of creep occurring in the track

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