CN215758273U - Height-adjusting rail brace - Google Patents
Height-adjusting rail brace Download PDFInfo
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- CN215758273U CN215758273U CN202122191673.8U CN202122191673U CN215758273U CN 215758273 U CN215758273 U CN 215758273U CN 202122191673 U CN202122191673 U CN 202122191673U CN 215758273 U CN215758273 U CN 215758273U
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- rail
- heightening
- brace
- reinforcing
- rail brace
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Abstract
The utility model relates to the field of heightening and reinforcing of a railway curve line track, and discloses an heightening rail brace, which comprises a concrete sleeper and a steel rail, wherein a lower rail base plate is arranged at the lower end part of the steel rail, a lower rail heightening base plate is arranged between the concrete sleeper and the lower rail base plate, the left end part and the right end part of the concrete sleeper are connected with a spiral spike through threads, an upper part of the spiral spike close to the inner side of the steel rail is movably sleeved with a gauge baffle, the gauge baffle is arranged between an elastic strip and a nylon baffle seat, an upper part of the spiral spike close to the outer side of the steel rail is movably sleeved with an heightening reinforcing rail brace, the distance between the heightening reinforcing rail brace and the lower jaw of the steel rail is 13-16 mm, and heightening iron seats with different specifications are matched between the heightening reinforcing rail brace and the nylon seat. The utility model can not obstruct the tamping operation of a large tamping car, and can relieve the centrifugal force of a train acting on a concrete sleeper by arranging the lower jaw of the steel rail with the height-adjusting reinforced rail brace gap, thereby ensuring the safe operation of the train.
Description
Technical Field
The utility model relates to the technical field of height adjustment and reinforcement of railway curve line tracks, in particular to a height adjustment rail brace.
Background
The existing railway lines in China have curve lines with different radiuses due to the limitation of terrain conditions. When the train runs to a curve line, centrifugal force is generated, so that the wheels squeeze the steel rail on the outer side of the line, and the magnitude of squeezing force is related to the radius of the curve, the speed of the train and the weight of the train. In order to prevent the track gauge of the line from changing due to wheel extrusion, the device of fig. 1 is generally adopted at present to reinforce the steel track outside the line, and the device can adjust the track gauge of the steel track by changing the number of a nylon seat. Through field use, the device is found to have the following three problems:
1. the rail brace directly acts on the lower jaw of the steel rail, so that the centrifugal force generated by the train is conducted through the wheels, the rail brace, the iron seat and the nylon seat and directly acts on the concrete sleeper, and the concrete sleeper is damaged;
2. when the railway line is frozen in winter, the height of the line changes, and the device cannot adjust the height of a rail brace fastener;
3. the upper part of the rail brace obstructs the tamping operation of the large tamping car, and the rail brace needs to be detached before tamping.
Therefore, the height-adjusting rail brace is provided to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a height-adjusting rail brace, which solves the problems that the height of a railway track is changed when the railway track is frozen in winter due to the interference of the rail brace during tamping operation of a tamping car, the height of the existing rail brace cannot be adjusted, and a concrete sleeper is easy to damage.
The utility model provides a height-adjusting rail brace, which comprises a concrete sleeper and a steel rail, wherein the lower end part of the steel rail is provided with a lower rail base plate, a rail lower heightening base plate is arranged between the concrete sleeper and the rail lower base plate, the inner and outer end parts of the rail lower heightening base plate are respectively provided with a nylon baffle seat and a nylon seat, the left end and the right end of the concrete sleeper are connected with a screw spike through threads, the upper end of the screw spike is connected with a nut through threads, an elastic strip is arranged at the lower side of the nut, a flat washer is arranged between the elastic strip and the nut, a gauge baffle is movably sleeved on one of the spiral spikes close to the inner side of the steel rail, the gauge baffle is arranged between the elastic strip and the nylon baffle seat, one of the spiral spikes close to the outer side of the steel rail is movably sleeved with a height-adjusting reinforced rail brace, the distance between the heightening reinforcing rail brace and the lower jaw of the steel rail is 13-16 mm, and heightening iron seats of different specifications are matched between the heightening reinforcing rail brace and the nylon seat.
Preferably, the distance between the height-adjusting reinforcing rail brace and the lower jaw of the steel rail is 15 mm.
Preferably, the heightening reinforcing rail brace is arranged on the outer side of the steel rail and is in contact with the rail web of the steel rail.
Preferably, the heightening reinforcing rail brace upper end portion is clamped with an elastic strip.
Compared with the prior art, the utility model has the beneficial effects that: according to the heightening rail brace, the gap between the heightening reinforcing rail brace and the lower jaw of the steel rail is arranged, so that on one hand, the arrangement of the heightening reinforcing rail brace does not interfere with the tamping operation of a large tamping vehicle, and the heightening reinforcing rail brace does not need to be detached during tamping, so that the operation stability of a rail is guaranteed, and meanwhile, the labor consumption is reduced; on the other hand, the elastic deformation of the steel rail is increased, so that the centrifugal force generated by the train is effectively relieved when acting on the concrete sleeper, and the service life of the concrete sleeper is prolonged. In addition, when the railway line is frozen in winter, the height of the heightening reinforcing rail brace can be adjusted by changing the specification of the heightening iron seat, and the safe operation of the train is ensured.
Drawings
FIG. 1 is a schematic view of a prior art rail brace and rail connection;
FIG. 2 is a schematic main sectional view of the structure of the present invention;
FIG. 3 is a top view of the rail brace of the present invention construction;
FIG. 4 is a schematic cross-sectional view A-A of the structure of the present invention;
fig. 5 is a sectional view of a heightening iron seat of the structure of the utility model.
Reference numerals: 1. a nut; 2. a flat washer; 3. a spring bar; 4. heightening the reinforcing rail brace; 5. adjusting a high-speed rail seat; 6. a nylon seat; 7. a screw spike; 8. a concrete sleeper; 9. a nylon baffle seat; 10. a gauge apron; 11. a rail lower elevation base plate; 12. a rail lower backing plate; 13. a steel rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: an heightening rail brace comprises a concrete sleeper 8 and a steel rail 13, wherein a lower rail base plate 12 is arranged at the lower end of the steel rail 13, a lower rail heightening base plate 11 is arranged between the concrete sleeper 8 and the lower rail base plate 12, a nylon baffle seat 9 and a nylon seat 6 are respectively arranged at the inner end part and the outer end part of the lower rail heightening base plate 11, a spiral rail nail 7 is connected with the left end part and the right end part of the concrete sleeper 8 through threads, a nut 1 is connected with the upper end part of the spiral rail nail 7 through threads, an elastic strip 3 is arranged at the lower side of the nut 1, a nut 1 and an elastic strip 3 are arranged on the spiral rail nail 7, the upward position limiting effect of the heightening reinforcing rail brace 4 and a gauge baffle 10 can be achieved through the arrangement of the nut 1 and the elastic strip 3, a flat washer 2 is arranged between the elastic strip 3 and the nut 1, and the gauge baffle 10 is movably sleeved on one of the spiral rail nail 7 close to the inner side of the steel rail 13, the gauge apron 10 is arranged between the elastic strip 3 and the nylon apron seat 9, one of the spiral spike 7 close to the outer side of the steel rail 13 is movably sleeved with a heightening reinforcing rail brace 4, the distance between the heightening reinforcing rail brace 4 and the lower jaw of the steel rail 13 is 13-16 mm, and heightening iron seats 5 of different specifications are matched between the heightening reinforcing rail brace 4 and the nylon seat 6. The distance between the heightening reinforcing rail brace 4 and the lower jaw of the steel rail 13 is 15 mm. During the tamping operation of the large tamping vehicle, the heightening reinforcing rail brace 4 does not need to be detached, and during the tamping operation of the large tamping vehicle, the operation of the tamping pick cannot be influenced by arranging the space between the heightening reinforcing rail brace 4 and the steel rail 13, so that the condition that the heightening reinforcing rail brace 4 needs to be detached in the prior art can be avoided, the operation stability of the track is ensured, and the consumption of labor force is reduced;
as shown in fig. 3-4, the longitudinal section of the heightening reinforcing rail brace 4 is of a triangular framework, and the contact position of the heightening reinforcing rail brace 4 and the rail web of the steel rail 13 is located on the right-angle side of the triangular framework, so that the elastic deformation of the steel rail 13 is increased, and when the centrifugal force generated by a train acts on a concrete sleeper, the centrifugal force is effectively relieved, the service life of the concrete sleeper is prolonged, the heightening reinforcing rail brace 4 is arranged on the outer side of the steel rail 13, and the heightening reinforcing rail brace 4 is in contact with the rail web of the steel rail 13. The upper end of the heightening reinforcing rail brace 4 is clamped with an elastic strip 3. During processing of the height-adjustable reinforcing rail brace 4, furnace burden is selected according to QT450-10 material requirements for batching; then, mixing sand according to the process specification, making a sand mold and making a sand core; secondly, smelting by using an intermediate frequency electric furnace and pouring by using an automatic casting machine; and finally, shakeout and cleaning. In 12 months 2020, the improved height-adjustable reinforced rail brace fastener device is tried in Shenyang workshop section of Shenyang office group company of China railway. Through half a year's trial, it is effectively to solve: 1. when the large tamping vehicle is used for tamping, the height-adjusting reinforcing rail brace 4 is not required to be detached; 2. no concrete sleeper damage occurs; 3. when the line is frozen in winter, the height of the height-adjusting reinforcing rail brace 4 is adjusted by adjusting the specification of the height-adjusting iron seat 5, which is very convenient.
As shown in fig. 5, the heightening iron base 5 is provided with a clamping groove for clamping the heightening reinforcing rail brace 4, the heightening iron base 5 is clamped in the clamping groove of the heightening reinforcing rail brace 4, by this arrangement, the front and back relative movement of the heightening iron base 5 and the heightening reinforcing rail brace 4 can be displayed, the fixing stability of the heightening iron base 5 and the heightening reinforcing rail brace 4 is ensured, wherein the heightening iron base 5 can be set to various specifications according to actual requirements, the thickness of each specification is different, the thickness adjusting range of the heightening iron base 5 is between 13mm and 15mm, when the distance between the heightening reinforcing rail brace 4 and the steel rail 13 needs to be changed, the height of the heightening reinforcing rail brace 4 can be increased by replacing the heightening iron base 5 with larger thickness, and supporting the footing of the heightening reinforcing rail brace 4 by the heightening iron base 5, therefore, the distance between the steel rail 13 and the steel heightening reinforcing rail brace 4 can be reduced, and the distance between the steel rail 13 and the steel heightening reinforcing rail brace 4 can be increased by replacing the steel heightening base 5 with small thickness, so that the actual use requirement can be met.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The heightening rail brace comprises a concrete sleeper (8) and a steel rail (13), wherein a lower rail base plate (12) is arranged at the lower end of the steel rail (13), a lower rail heightening base plate (11) is arranged between the concrete sleeper (8) and the lower rail base plate (12), a nylon baffle seat (9) and a nylon seat (6) are respectively arranged at the inner end and the outer end of the lower rail heightening base plate (11), a spiral spike (7) is connected to the left end and the right end of the concrete sleeper (8) through threads, a nut (1) is connected to the upper end of the spiral spike (7) through threads, an elastic strip (3) is arranged at the lower side of the nut (1), a flat gasket (2) is arranged between the elastic strip (3) and the nut (1), a gauge baffle (10) is movably sleeved on one of the spiral spike (7) close to the inner side of the steel rail (13), and the gauge baffle (10) is arranged between the elastic strip (3) and the nylon baffle seat (9), the method is characterized in that: the spiral spike (7) is close to one of the outer sides of the steel rail (13) and is movably sleeved with a heightening reinforcing rail brace (4), the distance between the heightening reinforcing rail brace (4) and the lower jaw of the steel rail (13) is 13-16 mm, and heightening iron seats (5) of different specifications are matched between the heightening reinforcing rail brace (4) and the nylon seat (6).
2. The heightening rail brace of claim 1, wherein: the distance between the height-adjusting reinforcing rail brace (4) and the lower jaw of the steel rail (13) is 15 mm.
3. The heightening rail brace of claim 1, wherein: the height-adjustable reinforced rail brace (4) is arranged on the outer side of the steel rail (13), and the height-adjustable reinforced rail brace (4) is in contact with the rail web of the steel rail (13).
4. The heightening rail brace of claim 1, wherein: the upper end of the heightening reinforcing rail brace (4) is clamped with an elastic strip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191673.8U CN215758273U (en) | 2021-09-10 | 2021-09-10 | Height-adjusting rail brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191673.8U CN215758273U (en) | 2021-09-10 | 2021-09-10 | Height-adjusting rail brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215758273U true CN215758273U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191673.8U Active CN215758273U (en) | 2021-09-10 | 2021-09-10 | Height-adjusting rail brace |
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| CN (1) | CN215758273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934408A (en) * | 2022-05-16 | 2022-08-23 | 中铁工程设计咨询集团有限公司 | Buffer device |
-
2021
- 2021-09-10 CN CN202122191673.8U patent/CN215758273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934408A (en) * | 2022-05-16 | 2022-08-23 | 中铁工程设计咨询集团有限公司 | Buffer device |
| CN114934408B (en) * | 2022-05-16 | 2024-03-29 | 中铁工程设计咨询集团有限公司 | Buffer device |
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