GB2426776A - Shot blasting train tracks - Google Patents
Shot blasting train tracks Download PDFInfo
- Publication number
- GB2426776A GB2426776A GB0511322A GB0511322A GB2426776A GB 2426776 A GB2426776 A GB 2426776A GB 0511322 A GB0511322 A GB 0511322A GB 0511322 A GB0511322 A GB 0511322A GB 2426776 A GB2426776 A GB 2426776A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rail
- nozzle
- cover
- length
- shot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
An apparatus for directed shot 16 onto the surface 12 of a length of rail 10, has a nozzle 14, for ejecting the shot 16. The shot 16 travels to the nozzle 14 along a supply pipe 18. The nozzle is positioned close to the rail 10 and is enclosed by a cover 20 which rests against the rail 10. Sealing strips 22,24 on the edge of the cover 20 act to seal the nozzle 14 in the chamber formed by the cover 20 and the rail 10. An outlet pipe 26 sucks the shot 16 out of the chamber so that it may be reused. The apparatus may be mounted to a vehicle which travels along a track made by the rail 10. This allows for continual treatment of the rail 10 to be possible.
Description
Treatment of Rail
FIELD OF THE INVENTION
The present invention relates to the treatment of rail.
BACKGROUND ART *. I * S S
Rail track is subjected to severe transient stress loadings during use.: I.....
Over time, it degrades as a result. Accordingly, it must be inspected on a regular basis to detect substandard sections of rail, which must then be *.
replaced. Replacement involves significant cost both in terms of the acquisition.: of a new section of rail, the labour involved in the act of replacement, and also in I...
terms of the dislocation and delay caused by the loss of a section of track in the **** period between detection and replacement. *:.: The present invention seeks to alleviate such disadvantages.
SUMMARY OF THE INVENTION
Various metallurgical techniques exist for the treatment of materials in order to improve their mechanical or other properties or prolong their life. Such techniques are typically carried out in a batchwise manner such as high temperature annealing in a suitable oven. Clearly, these techniques will not be suitable for application in situ to a length of rail.
The present invention therefore provides apparatus for the treatment of rail, comprising a nozzle assembly for the ejection of shot mounted on a means for supporting the nozzle relative to a length of rail.
It is preferred that the means for supporting the nozzle contacts the rail thereby to maintain the position of the nozzle relative to the rail. A preferred form is one in which the means for supporting the nozzle comprises a vehicle travelling on the length of rail.
The apparatus preferably further includes a cover through which the nozzle assembly projects and which approaches a surface of the length of rail thereby to form a chamber around the nozzle assembly. The cover preferably contacts the rail surface so as to close the chamber. The points of contact may comprise one or more sealing strips, which can be of a flexible material.
The nozzle assembly can include a supply conduit leading to a nozzle.
Where a cover is provided, the supply conduit preferably passes through a suitable aperture in the cover to gain access to the interior of the chamber.
An exhaust conduit can also be provided. Air can be evacuated through" this pipe with sufficient velocity to remove the used shot. Where a cover is S..
provided, the exhaust conduit preferably passes through a suitable aperture in *..
the cover to gain access to the interior of the chamber. .. : The present invention also provides a method of treatment of rail, comprising the provision of a nozzle adjacent a length of rail, the ejection of shot from that nozzle toward the rail, and the transport of that nozzle along the length of the rail by movement of a vehicle on the rail to which the nozzle is attached.
BRIEF DESCRIPTION OF THE DRAWINGS
An embodiment of the present invention will now be described by way of example, with reference to the accompanying figures in which figure 1 shows a vertical section through apparatus for conducting the treatment according to the present invention
DETAILED DESCRIPTION OF THE EMBODIMENTS
Figure 1 shows in diagrammatic form an embodiment of the invention.
Shot 16 is directed at the surface 12 of a rail section 10 through a nozzle 14. The shot 16 is conveyed pneumatically along a supply conduit 18. The area surrounding the nozzle 14 is enclosed by a cover 20 that rests against the rail 10.
The cover 20 and the rail 10 thus form a chamber. There may be sealing strips 22, 24 of flexible material where the cover 20 and the rail 10 are in contact.
The chamber formed by the cover 20 and the rail 10 also has an outlet pipe 26 connected to it. Air is evacuated through this pipe with sufficient velocity to remove the used shot 16 for recovery and/or re-use.
In use, the cover and pipes can be suspended from beneath a vehicle travelling along the rail section. This opens the possibility of the continuous..
treatment of lengths of rail with the concomitant improvements in efficiency and....
rail safety. S.
S
It will of course be understood that many variations may be made to the. :::': above-described embodiment without departing from the scope of the present S...
invention. * S..
SS S
Claims (15)
1. Apparatus for the treatment of rail, comprising a nozzle assembly for the ejection of shot mounted on a means for supporting the nozzle relative to a length of rail.
2. Apparatus according to claim 1 in which the means for supporting the nozzle contacts the rail.
3. Apparatus according to claim 2 one in which the means for supporting the nozzle comprises a vehicle travelling on the length of rail.
4. Apparatus according to any one of the preceding claims including a cover through which the nozzle assembly projects and which approaches a surface of the length of rail thereby to form a chamber around the nozzle assembly.
5. Apparatus according to claim 4 in which the cover contacts the rail surface so as to close the chamber. *
S.....
6. Apparatus according to claim 5 in which the points of contact comprise at* least one sealing strip. .:. S...
7. Apparatus according to claim 6 in which the at least one sealing strip is of.. : a flexible material. *.
8. Apparatus according to any one of the preceding claims in which the nozzle assembly includes a supply conduit leading to a nozzle.
9. Apparatus according to claim 8 as dependent on any one of claims 5 to 7 in which the supply conduit passes through a suitable aperture in the cover to gain access to the interior of the chamber.
10. Apparatus according to any one of the preceding claims including an exhaust conduit.
11. Apparatus according to claim 10 including means for the evacuation of air can through the exhaust pipe.
12. Apparatus according to claim 10 or claim 11 as dependent on any one of claims 5 to 7 in which the exhaust conduit passes through a suitable aperture in the cover to gain access to the interior of the chamber.
13. A method for the treatment of rail, comprising the provision of a nozzle adjacent a length of rail, the ejection of shot from that nozzle toward the rail, and the transport of that nozzle along the length of the rail by movement of a vehicle on the rail to which the nozzle is attached.
14. Apparatus for the treatment of rail substantially as herein described with reference to and/or as illustrated in the accompanying figure.
15. A method for the treatment of rail substantially as herein described with reference to and/or as illustrated in the accompanying figure.
I I I * * a. * I I..., * I..
I I... I * I S. S I... * I *.*. * S.. * I ** *
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0511322A GB2426776A (en) | 2005-06-03 | 2005-06-03 | Shot blasting train tracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0511322A GB2426776A (en) | 2005-06-03 | 2005-06-03 | Shot blasting train tracks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0511322D0 GB0511322D0 (en) | 2005-07-13 |
| GB2426776A true GB2426776A (en) | 2006-12-06 |
Family
ID=34835074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0511322A Withdrawn GB2426776A (en) | 2005-06-03 | 2005-06-03 | Shot blasting train tracks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2426776A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2642087A1 (en) * | 1989-01-23 | 1990-07-27 | Unimetall Sa | Process for treating the surface layer of rails or of track apparatus |
| JPH08311537A (en) * | 1995-05-11 | 1996-11-26 | Daido Steel Co Ltd | Method for reinforcing joined part between rail |
| JP2005041417A (en) * | 2003-07-25 | 2005-02-17 | Railway Technical Res Inst | Member for railway, its surface treating method, and surface treating device of member for railway |
-
2005
- 2005-06-03 GB GB0511322A patent/GB2426776A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2642087A1 (en) * | 1989-01-23 | 1990-07-27 | Unimetall Sa | Process for treating the surface layer of rails or of track apparatus |
| JPH08311537A (en) * | 1995-05-11 | 1996-11-26 | Daido Steel Co Ltd | Method for reinforcing joined part between rail |
| JP2005041417A (en) * | 2003-07-25 | 2005-02-17 | Railway Technical Res Inst | Member for railway, its surface treating method, and surface treating device of member for railway |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0511322D0 (en) | 2005-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |