Rail Joint Replacment
Rail joint plays important role in fastening the steel rails together with the help of fish bolt. It is the jointing function of rail splice bar so that the trains can run on the continuous rail track. While after long time’s using, the rail joint may have serious abrasion. It is necessary to replace a new one to ensure the safety of rail track.
When to Replace a Rail Joint Bar?
- Intermediate crack of compromise rail joint is larger than 10 mm;
- Crack fishtail on common joint bar is large than 15 mm;
- The crack of other parts on fish plate to the fish bolt position.
- If the crack in on the margin of the joint bar.
The Requirement of Rail Joint Replacement
1. The contacting surface of fish plate and fish bolt to should be paint oil.
2 The fish nuts of the adjacent fish bolt should be on relative directions.
3. Take a person using a 55 cm screw wrench as the standard, two person or using too long wrench are wrong.
4. If it is difficult to installing the fish bolt to the hole on the join bar, it’s right to strike the rail fish plate instead of striking the fish bolt into the hole.
5. If it is 4 holes rail joint bar, it is necessary to fixing the two fish bolts in the middle, and then fixing the fish bolt on the side.
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