CN215629046U - Bolt-free high-speed rail fastener - Google Patents
Bolt-free high-speed rail fastener Download PDFInfo
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- CN215629046U CN215629046U CN202122003840.1U CN202122003840U CN215629046U CN 215629046 U CN215629046 U CN 215629046U CN 202122003840 U CN202122003840 U CN 202122003840U CN 215629046 U CN215629046 U CN 215629046U
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- iron seat
- strip
- elastic strip
- cement sleeper
- rail
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Abstract
The utility model discloses a bolt-free high-speed rail fastener, which comprises a cement sleeper, a steel rail positioned on the cement sleeper, an embedded iron seat positioned at the bottom in the cement sleeper, a gauge baffle positioned on the upper surface of the cement sleeper and sleeved on the outer side surface of the top of the embedded iron seat, an elastic strip arranged on the gauge baffle and used for fixing the steel rail and the cement sleeper, and a T-shaped pressing block used for fixing the elastic strip and the embedded iron seat.
Description
Technical Field
The utility model relates to the technical field of railway tracks, in particular to a bolt-free high-speed rail fastener.
Background
The high-speed railway has high running speed and large transportation capacity, and along with the construction development of the high-speed railway in China, the total mileage of the high-speed railway in China reaches 3.5 kilometers and accounts for more than two thirds of the global proportion.
The fasteners widely used for the high-speed railway in China are elastic strip IV type and elastic strip V type fasteners of ballast tracks and WJ-7 type and WJ-8 type fasteners of ballastless tracks. Wherein the elastic strip IV-shaped fastener is a bolt-free fastener, and the other 3 kinds of fasteners are bolt fasteners. The elastic strip IV type fastener is relatively difficult to install due to the large diameter of the elastic strip, and stress concentration occurs due to the easy interference between the elastic strip and the embedded iron seat, so that the elastic strip is broken. Other 3 kinds have bolt fastener structure complicated relatively, and the installation is dismantled loaded down with trivial details relatively, and the cost remains high.
Therefore, it is a problem worthy of research to provide a bolt-free high-speed rail fastener which has a simple structure and is convenient to mount and dismount.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the bolt-free high-speed rail fastener which is simple in structure and convenient to mount and dismount.
The purpose of the utility model is realized as follows:
the utility model provides a no bolt high-speed railway fastener, includes the cement sleeper, is located the rail on the cement sleeper, still includes that the bottom is located the pre-buried iron seat of cement sleeper, is located the upper surface of cement sleeper and overlaps the gauge apron of establishing at pre-buried iron seat top lateral surface, places on the gauge apron and is used for making the bullet strip that rail and cement sleeper are fixed, is used for making T type briquetting that bullet strip and pre-buried iron seat are fixed.
An insulating pressing strip is arranged between the elastic strip and the steel rail, the lower end of the insulating pressing strip compresses the steel rail, and the upper end of the insulating pressing strip is provided with an arc which is tightly attached to the elastic strip pressing limb.
The upper surface of pre-buried iron seat is equipped with the opening and upwards just is used for placing the T type groove of T type briquetting, is located both sides and is used for making the location stand of gauge baffle location around the T type groove.
T type briquetting includes with the T type groove matched with T type slider of pre-buried iron seat, with the top fixed connection's of T type slider briquetting, be located the lower surface of briquetting and the decurrent indent of opening, the top of bullet strip is located the indent.
The middle part of the gauge apron is provided with a hollow structure, the hollow structure is tightly attached to the outer side surface of the top of the embedded iron seat, the front edge of the gauge apron is tightly attached to the steel rail, the rear end of the top of the gauge apron is provided with an arc, and the gauge apron is attached to the tail of the elastic strip through the arc to limit the position of the elastic strip.
Has the positive and beneficial effects that: the elastic strip and the embedded iron seat are fixed through the T-shaped pressing block, the elastic strip is not in direct contact with the embedded iron seat, the installation is simple and rapid, the structure is stable, the buckling and damping effects are good, the phenomenon that the elastic strip is broken due to the mutual interference stress concentration of the elastic strip and the embedded iron seat does not exist, the comprehensive cost is low, and the cost performance is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic structural view of a pre-buried iron seat according to the present invention;
FIG. 5 is a schematic structural diagram of a T-shaped briquette of the present invention;
in the figure, the following steps are carried out: the steel rail comprises a steel rail 1, a cement sleeper 2, elastic strips 3, embedded iron seats 4, a gauge baffle 5, T-shaped pressing blocks 6, insulating pressing strips 7, rubber base plates 8, T-shaped grooves 9, positioning upright columns 10, T-shaped sliding blocks 11, pressing blocks 12 and pressing grooves 13.
Detailed Description
The utility model is further illustrated by the following figures and examples.
Example 1
As shown in fig. 1 to 3, a no bolt high-speed railway fastener, including cement sleeper 2, be located rail 1 on cement sleeper 2, still include that the bottom is located pre-buried iron seat 4 in cement sleeper 2, the gauge apron 5 of pre-buried iron seat 4 top lateral surface is established to upper surface and the cover that is located cement sleeper 2, place on gauge apron 5 and be used for making rail 1 and the fixed bullet strip 3 of cement sleeper 2, a T type briquetting 6 for making bullet strip 3 and pre-buried iron seat 4 fixed, cement sleeper 2 upper surface is equipped with rubber tie plate 8, rail 1 is located rubber slab 8, gauge apron 5 is used for adjusting the gauge and supports bullet strip 3. Be equipped with insulating layering 7 between bullet strip 3 and the rail 1, insulating layering 7's lower extreme compresses tightly rail 1, insulating layering 7's upper end is equipped with the circular arc of pressing the limb closely to laminate with bullet strip 3, insulating layering 7 plays support and insulating effect on the rail, pre-buried iron seat 4 is prefabricated in the middle of cement sleeper 2 according to the drawing requirement, cement sleeper 2's intensity is C80, it is fixed with pre-buried iron seat with bullet strip through T type briquetting, and bullet strip and pre-buried iron seat indirect contact not, the installation is simple quick, moreover, the steam generator is stable in structure, withhold and shock attenuation are effectual, and there is not bullet strip and pre-buried iron seat mutual interference stress concentration and lead to the cracked phenomenon of bullet strip, the combined cost is lower, the sexual valence relative altitude.
As shown in fig. 4, the upper surface of the embedded iron seat 4 is provided with a T-shaped groove 9 with an upward opening and used for placing a T-shaped pressing block 6, and positioning columns 10 which are located on the front side and the rear side of the T-shaped groove 9 and used for positioning the gauge apron 5, and the T-shaped pressing block 6 pushes the elastic strip 3 into the embedded iron seat 4 along the T-shaped groove 9 when in use.
As shown in fig. 5, the T-shaped press block 6 includes a T-shaped slide block 11 matched with the T-shaped groove of the embedded iron seat 4, a press block 12 fixedly connected with the top of the T-shaped slide block 11, and a press groove 13 located on the lower surface of the press block 12 and having a downward opening, and the top of the elastic strip 3 is located in the press groove 13.
Example 2
As shown in fig. 1 to 3, a no bolt high-speed railway fastener, including cement sleeper 2, be located rail 1 on cement sleeper 2, still include that the bottom is located pre-buried iron seat 4 in cement sleeper 2, the gauge apron 5 of pre-buried iron seat 4 top lateral surface is established to upper surface and the cover that is located cement sleeper 2, place on gauge apron 5 and be used for making rail 1 and the fixed bullet strip 3 of cement sleeper 2, a T type briquetting 6 for making bullet strip 3 and pre-buried iron seat 4 fixed, cement sleeper 2 upper surface is equipped with rubber tie plate 8, rail 1 is located rubber slab 8, gauge apron 5 is used for adjusting the gauge and supports bullet strip 3. Be equipped with insulating layering 7 between bullet strip 3 and the rail 1, insulating layering 7's lower extreme compresses tightly rail 1, insulating layering 7's upper end is equipped with the circular arc of pressing the limb closely to laminate with bullet strip 3, insulating layering 7 plays support and insulating effect on the rail, pre-buried iron seat 4 is prefabricated in the middle of cement sleeper 2 according to the drawing requirement, cement sleeper 2's intensity is C80, it is fixed with pre-buried iron seat with bullet strip through T type briquetting, and bullet strip and pre-buried iron seat indirect contact not, the installation is simple quick, moreover, the steam generator is stable in structure, withhold and shock attenuation are effectual, and there is not bullet strip and pre-buried iron seat mutual interference stress concentration and lead to the cracked phenomenon of bullet strip, the combined cost is lower, the sexual valence relative altitude.
As shown in fig. 4, the upper surface of the embedded iron seat 4 is provided with a T-shaped groove 9 with an upward opening and used for placing a T-shaped pressing block 6, and positioning columns 10 which are located on the front side and the rear side of the T-shaped groove 9 and used for positioning the gauge apron 5, and the T-shaped pressing block 6 pushes the elastic strip 3 into the embedded iron seat 4 along the T-shaped groove 9 when in use.
As shown in fig. 5, the T-shaped press block 6 includes a T-shaped slide block 11 matched with the T-shaped groove of the embedded iron seat 4, a press block 12 fixedly connected with the top of the T-shaped slide block 11, and a press groove 13 located on the lower surface of the press block 12 and having a downward opening, and the top of the elastic strip 3 is located in the press groove 13.
The middle part of the gauge baffle 5 is provided with a hollow structure, the hollow structure is tightly attached to the outer side surface of the top of the embedded iron seat 4, the front edge of the gauge baffle 5 is tightly attached to the steel rail, the rear end of the top of the gauge baffle 5 is provided with an arc, and the gauge baffle 5 is attached to the tail of the elastic strip 3 through the arc to limit the position of the elastic strip 3.
The elastic strip and the embedded iron seat are fixed through the T-shaped pressing block, the elastic strip is not in direct contact with the embedded iron seat, the installation is simple and rapid, the structure is stable, the buckling and damping effects are good, the phenomenon that the elastic strip is broken due to the mutual interference stress concentration of the elastic strip and the embedded iron seat does not exist, the comprehensive cost is low, and the cost performance is high.
Claims (5)
1. The utility model provides a no bolt high-speed railway fastener, includes cement sleeper, is located the rail on the cement sleeper, its characterized in that: the track gauge baffle is arranged on the upper surface of the cement sleeper and sleeved on the outer side surface of the top of the embedded iron seat, the elastic strip is placed on the track gauge baffle and used for fixing the steel rail and the cement sleeper, and the T-shaped pressing block is used for fixing the elastic strip and the embedded iron seat.
2. The boltless high-speed rail fastener according to claim 1, wherein: an insulating pressing strip is arranged between the elastic strip and the steel rail, the lower end of the insulating pressing strip compresses the steel rail, and the upper end of the insulating pressing strip is provided with an arc which is tightly attached to the elastic strip pressing limb.
3. The boltless high-speed rail fastener according to claim 1, wherein: the upper surface of pre-buried iron seat is equipped with the opening and upwards just is used for placing the T type groove of T type briquetting, is located both sides and is used for making the location stand of gauge baffle location around the T type groove.
4. The boltless high-speed rail fastener according to claim 3, wherein: t type briquetting includes with the T type groove matched with T type slider of pre-buried iron seat, with the top fixed connection's of T type slider briquetting, be located the lower surface of briquetting and the decurrent indent of opening, the top of bullet strip is located the indent.
5. The boltless high-speed rail fastener according to claim 1, wherein: the middle part of the gauge apron is provided with a hollow structure, the hollow structure is tightly attached to the outer side surface of the top of the embedded iron seat, the front edge of the gauge apron is tightly attached to the steel rail, the rear end of the top of the gauge apron is provided with an arc, and the gauge apron is attached to the tail of the elastic strip through the arc to limit the position of the elastic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003840.1U CN215629046U (en) | 2021-08-25 | 2021-08-25 | Bolt-free high-speed rail fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003840.1U CN215629046U (en) | 2021-08-25 | 2021-08-25 | Bolt-free high-speed rail fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629046U true CN215629046U (en) | 2022-01-25 |
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ID=79901665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122003840.1U Active CN215629046U (en) | 2021-08-25 | 2021-08-25 | Bolt-free high-speed rail fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629046U (en) |
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2021
- 2021-08-25 CN CN202122003840.1U patent/CN215629046U/en active Active
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