CN210561483U - Track fastener matched with concrete sleeper with shoulder - Google Patents
Track fastener matched with concrete sleeper with shoulder Download PDFInfo
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- CN210561483U CN210561483U CN201920825067.7U CN201920825067U CN210561483U CN 210561483 U CN210561483 U CN 210561483U CN 201920825067 U CN201920825067 U CN 201920825067U CN 210561483 U CN210561483 U CN 210561483U
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Abstract
The utility model discloses a with have and keep off supporting track fastener who uses of shoulder concrete sleeper, it includes: the lower rail base plate is arranged below the steel rail; the iron base plate is arranged below the rail lower base plate; the elastic strip fastener is used for fastening and pressing the steel rail on the rail lower base plate; the spiral spike penetrates through the iron base plate and the elastic strip fastener to lock the elastic strip fastener; and the sleeve is arranged in the concrete sleeper, and the spiral spike penetrates through the iron base plate and the elastic strip fastener and then is in threaded connection with the sleeve. The concrete sleeper can be used in urban rail transit or an integral ballast bed of an intercity railway, and can be matched with a concrete sleeper with a shoulder to meet the requirements of different longitudinal resistances of steel rails of an underground line and an overhead line, and is convenient to maintain and adjust.
Description
Technical Field
The utility model relates to a track traffic field, concretely relates to switch frame construction reinforcing apparatus.
Background
The rail fastener is an important part for connecting the steel rail and the sleeper or other undersized foundations, and has the functions of keeping the correct position of the steel rail on the undersized foundations and the reliable connection of the steel rail and the sleeper, preventing the longitudinal and transverse movement of the steel rail and providing certain elasticity for the rail structure.
Urban rail transit or intercity railway require high to driving safety and degree of automation, driving density is big, does not allow to utilize train operation interval to carry out maintenance operation, and maintenance duration at night is limited, therefore mostly adopt the good whole railway roadbed of vertical, lateral stability. The traffic fastener of the integral ballast bed basically adopts an elastic split fastener without a retaining shoulder at present, and a fastener bolt bears larger transverse force, so that the existing road is easy to have the condition of bolt fracture. In addition, the underground line fastener has large longitudinal anti-climbing resistance and can not meet the requirement of overhead small resistance basically, so that if the underground line and the overhead line are laid on the same subway, the underground line, the overhead line elastic strip and the fastener are not uniform, the number of parts of the whole line fastener is large, the cost of spare parts is increased, and the maintenance and repair amount is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a with have the supporting track fastener who uses of fender shoulder concrete sleeper to above-mentioned defect of prior art, it can use at urban rail transit or the whole railway roadbed of intercity railway, and can use with having the supporting of fender shoulder concrete sleeper to this satisfies the different rail longitudinal resistance requirements of underground line and overhead line, and is convenient for maintain the adjustment.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a with there is supporting track fastener who uses of fender shoulder concrete sleeper, it includes: the lower rail base plate is arranged below the steel rail; the iron base plate is arranged below the rail lower base plate; the elastic strip fastener is used for fastening and pressing the steel rail on the rail lower base plate; the spiral spike penetrates through the iron base plate and the elastic strip fastener to lock the elastic strip fastener;
and the sleeve is arranged in the concrete sleeper, and the spiral spike penetrates through the iron base plate and the elastic strip fastener and then is in threaded connection with the sleeve.
Preferably, the elastic strip fastener is a small-resistance elastic strip fastener or a normal-resistance elastic strip fastener or a reinforced elastic strip fastener.
Preferably, the bullet strip fastener is whole to be omega shape, and is made by hot rolling spring round steel, and small resistance bullet strip fastener diameter is 12mm, and normal resistance bullet strip fastener diameter is 13mm, and strenghthened type bullet strip fastener diameter is 14 mm.
Preferably, the track fastener used with the concrete sleeper with shoulder further includes: the insulating gauge block is arranged between the elastic strip fastener and the steel rail and is abutted against the steel rail under the pressure of the elastic strip fastener; and the gauge baffle is arranged between the retaining shoulder of the concrete sleeper and the spiral spike, is positioned below the elastic strip fastener and is abutted against the elastic strip fastener.
Preferably, the track fastener used with the concrete sleeper with shoulder further includes: and the elastic base plate is arranged between the iron base plate and the concrete sleeper.
Preferably, the track fastener used with the concrete sleeper with shoulder further includes: the first height-adjusting base plate is arranged between the iron base plate and the rail lower base plate; and/or the second heightening base plate is arranged between the elastic base plate and the concrete sleeper and is positioned below the elastic base plate and the gauge baffle.
Preferably, the iron shim plate includes: a plate body, a first protrusion, a second protrusion, a third protrusion, and a fourth protrusion; the first protruding portions, the second protruding portions, the third protruding portions and the fourth protruding portions are connected with the upper surface of the plate body, the number of the first protruding portions is two, and the first protruding portions are symmetrically arranged about an X axis of the plate body, and the number of the third protruding portions is two, and the third protruding portions are symmetrically arranged about the X axis of the plate body; a first round hole for the spiral spike to pass through is arranged between the two first protruding parts, and/or a second round hole for the spiral spike to pass through is arranged between the two third protruding parts.
Preferably, the first round hole and the second round hole are symmetrically arranged around the Y axis of the plate body and are both oblong holes, and the long axis of each oblong hole is perpendicular to the steel rail.
Preferably, the outer periphery of the sleeve is provided with a spiral groove for winding the stirrup.
Preferably, the sleeve is made of an insulating material.
The track fastener of the utility model can be used with a concrete sleeper with a shoulder, and can meet the requirements of different longitudinal resistances of rails of underground lines and overhead lines; meanwhile, the transverse force resistance of the fastener and the service life of parts of the fastener can be improved; in addition, the track fastener is composed of parts with smaller weight, so that the transportation and construction cost can be reduced, the fastener manufacturing cost can be reduced, meanwhile, the parts can be universal, enough steel rail adjustment amount can be provided, and the maintenance requirement of urban track traffic lines and the maintenance and repair convenience can be met.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a half elevation and half cross-sectional view of a rail clip for use with a shouldered concrete sleeper in accordance with a first embodiment of the present invention;
fig. 2 is a top view of a rail clip used with a shouldered concrete sleeper in accordance with a first embodiment of the present invention;
FIG. 3 is a schematic diagram of three elastic fasteners according to a first embodiment of the present invention;
fig. 4a is a front view of an iron backing plate according to a first embodiment of the present invention;
FIG. 4b is a top view of an iron backing plate according to an embodiment of the present invention;
fig. 5 is a half front view and a half sectional view of a bushing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The first embodiment is as follows:
as shown in fig. 1, the rail clip used with a concrete sleeper having a shoulder in this embodiment includes: a rail lower pad 1 disposed below the steel rail 200; the iron base plate 2 is arranged below the rail lower base plate 1, and the friction coefficients of the rail lower base plate 1 and the iron base plate 2 are different; the elastic strip fastener 5 is used for fastening and pressing the steel rail 200 on the rail lower base plate 1; a screw spike 3 passing through the iron backing plate 1 and the elastic strip fastener 5 to lock the elastic strip fastener 5; the insulating gauge block 6 is arranged between the elastic strip fastener 5 and the steel rail 200 and is abutted against the steel rail 200 under the pressure of the elastic strip fastener 5; the gauge baffle 7 is arranged between the retaining shoulder 101 of the concrete sleeper 100 and the spiral spike 3, is positioned below the elastic strip fastener 5 and abuts against the elastic strip fastener 5; and the sleeve 9 is arranged in the concrete sleeper 100, and the spiral spike 3 penetrates through the iron base plate and the elastic strip fastener 5 and then is in threaded connection with the sleeve 9 so as to firmly fix the spiral spike in the concrete sleeper 100, so that the spiral spike 3 fully fastens the elastic strip fastener 5 on the steel rail 200, and the reliable connection between the steel rail 200 and the concrete sleeper 100 is ensured.
In this embodiment, as shown in fig. 2-3, the elastic strip fastener 5 is overall omega-shaped, and made of hot rolled spring round steel, and can be a small-resistance elastic strip fastener 51, a normal-resistance elastic strip fastener 52, or a reinforced elastic strip fastener 53, where the diameter of the small-resistance elastic strip fastener is 12mm, the diameter of the normal-resistance elastic strip fastener is 13mm, and the diameter of the reinforced elastic strip fastener is 14mm (the reinforced elastic strip fastener is equivalent to the normal-resistance elastic strip fastener, and only the diameter of the reinforced elastic strip fastener is increased from 13mm to 14mm, which is the same as the setting manner). Therefore, the accessible changes the bullet strip diameter and obtains the bullet strip fastener 5 of above-mentioned three kinds of withholding force variation in size, further with the rail underboarding 1 of different coefficient of friction, the supporting use of iron tie plate 2, can obtain the rail longitudinal resistance of three kinds of differences, be applicable to all line operating modes from this (underground railway, ground wire, overhead line, the big ramp of little curve), and the diameter of three kinds of bullet strip fasteners, width are unanimous basically, can assemble with same installation basis, except that all the other spare parts of bullet strip are all general, further can realize that all line fasteners are general.
Further, with the supporting track fastener who uses of shoulder concrete sleeper that has still include: an elastic pad 8 disposed between the iron pad 1 and the concrete sleeper 100 to perform a shock-absorbing function; first heightening base plate 10, it set up in between iron tie plate 2 and the rail bed plate 1, and/or, second heightening base plate 11, it set up in between elastic base plate 8 and concrete sleeper 100, and be located the below of elastic base plate 8 and gauge apron 7, from this, the accessible is first heightening base plate 10, second heightening base plate 11 is heightened (be about to heighten rail 200 from the S1 state in FIG. 1 to the S2 state) to rail 200 lower part, and the maximum amount of heightening can reach 40mm, is convenient for maintenance and repair. Furthermore, in order to reduce the use of rubber materials, one or more of the elastic backing plate 8, the first heightening backing plate 10 and the second heightening backing plate 11 is/are made of polymer materials such as polyester and polyurethane, so that the energy-saving and environment-friendly effects are achieved.
Further, as shown in fig. 4a to 4b, the iron shim plate 2 includes: a plate body 24, a first protrusion 22, a second protrusion 21, a third protrusion 22 ', and a fourth protrusion 21'; first, second, third and fourth protrusions 22, 21, 22 ' and 21 ' are vertically connected to the upper surface of the plate body 24, two first protrusions 22 are symmetrically disposed about the X-axis of the plate body 24, and two third protrusions 22 ' are symmetrically disposed about the X-axis of the plate body 24;
the first and third protrusions 22 and 22 'are symmetrically disposed with respect to the Z axis of the plate body 24, and the second and fourth protrusions 21 and 21' are also symmetrically disposed with respect to the Z axis of the plate body 24; a first round hole 23 for the spiral spike 3 to pass through is formed between the two first protruding portions 22, and/or a second round hole 23 ' for the spiral spike 3 to pass through is formed between the two third protruding portions 22 ', further, the first round hole 23 and the second round hole 23 ' are symmetrically arranged about the Y axis of the plate body 24, and both are long round holes, and the long axis of each long round hole is perpendicular to the steel rail 200, so that the distance adjustment amount of the fastener is improved.
Furthermore, as shown in fig. 5, the sleeve 9 is made of polymer insulating material such as polyester, polyurethane, etc., and the outer circumference thereof is provided with a spiral groove 91 for winding the stirrup, so that the stirrup wound around the spiral groove 91 and the sleeve 9 can be placed in the concrete sleeper 100 together for reinforcing the connection between the sleeve 9 and the concrete sleeper 10 and improving the anti-torsion capability of the sleeve 9.
In summary, the track fastener of the utility model can be used with a concrete sleeper with a shoulder, the static rigidity of the fastener node reaches 20-30 kN/mm, the transverse resistance can be effectively improved, the overall strength of the fastener is improved, and the service life of the fastener is prolonged; meanwhile, three different elastic strip fasteners are matched with the rail lower base plate and the iron base plate with different friction coefficients, so that three different longitudinal resistances of the steel rail can be realized, the steel rail fastening device is suitable for all working conditions (underground lines, ground lines, overhead lines and small curve large ramps) of the whole line, the maintenance and spare part cost is reduced, the elastic strip fasteners adopt omega-shaped elastic strips with smaller weight, the fastener adjusting amount is effectively improved, the transportation and construction cost is reduced, the fastener manufacturing cost is further reduced, and parts except the elastic strip fasteners can be used universally, so that the maintenance and repair are facilitated; the long circle is adopted at the mounting bolt of the iron base plate, so that the distance adjustment amount of the fastener is greatly improved, and the stirrup perforation structure of the pre-buried sleeve strengthens the connection with the sleeper; the non-metal parts such as the sleeve, the elastic cushion plate and the like are made of polymer materials such as polyester, polyurethane and the like, so that the use of rubber materials can be reduced, and the energy-saving and environment-friendly effects are achieved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a with have supporting track fastener who uses of fender shoulder concrete sleeper which characterized in that includes: the lower rail base plate is arranged below the steel rail; the iron base plate is arranged below the rail lower base plate; the elastic strip fastener is used for fastening and pressing the steel rail on the rail lower base plate; the spiral spike penetrates through the iron base plate and the elastic strip fastener to lock the elastic strip fastener;
and the sleeve is arranged in the concrete sleeper, and the spiral spike penetrates through the iron base plate and the elastic strip fastener and then is in threaded connection with the sleeve.
2. The rail clip of claim 1 wherein the spring clip is a low resistance spring clip or a constant resistance spring clip or a reinforced spring clip.
3. The rail clip of claim 2, wherein the spring clip is omega-shaped and made of hot rolled round spring steel, the small resistance spring clip has a diameter of 12.0mm, the normal resistance spring clip has a diameter of 13mm, and the reinforced spring clip has a diameter of 14 mm.
4. The rail clip of claim 1 wherein said rail clip for use with a shouldered concrete tie further comprises: the insulating gauge block is arranged between the elastic strip fastener and the steel rail and is abutted against the steel rail under the pressure of the elastic strip fastener; and the gauge baffle is arranged between the retaining shoulder of the concrete sleeper and the spiral spike, is positioned below the elastic strip fastener and is abutted against the elastic strip fastener.
5. The rail clip of claim 4 wherein said rail clip for use with a shouldered concrete tie further comprises: and the elastic base plate is arranged between the iron base plate and the concrete sleeper.
6. The rail clip of claim 5 wherein said rail clip for use with a shouldered concrete tie further comprises: the first height-adjusting base plate is arranged between the iron base plate and the rail lower base plate; and/or the second heightening base plate is arranged between the elastic base plate and the concrete sleeper and is positioned below the elastic base plate and the gauge baffle.
7. The rail clip of claim 1 wherein said iron tie plate comprises: a plate body, a first protrusion, a second protrusion, a third protrusion, and a fourth protrusion; the first protruding portions, the second protruding portions, the third protruding portions and the fourth protruding portions are connected with the upper surface of the plate body, the number of the first protruding portions is two, and the first protruding portions are symmetrically arranged about an X axis of the plate body, and the number of the third protruding portions is two, and the third protruding portions are symmetrically arranged about the X axis of the plate body; a first round hole for the spiral spike to pass through is arranged between the two first protruding parts, and/or a second round hole for the spiral spike to pass through is arranged between the two third protruding parts.
8. The rail clip of claim 7 wherein the first and second circular apertures are symmetrically disposed about a Y-axis of the body and both are oblong apertures having a long axis perpendicular to the rail.
9. The rail clip of any one of claims 1-8 wherein the sleeve has a spiral groove around its periphery for winding a stirrup.
10. A track fastener according to claim 9, wherein said sleeve is made of an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825067.7U CN210561483U (en) | 2019-06-03 | 2019-06-03 | Track fastener matched with concrete sleeper with shoulder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825067.7U CN210561483U (en) | 2019-06-03 | 2019-06-03 | Track fastener matched with concrete sleeper with shoulder |
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| Publication Number | Publication Date |
|---|---|
| CN210561483U true CN210561483U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920825067.7U Active CN210561483U (en) | 2019-06-03 | 2019-06-03 | Track fastener matched with concrete sleeper with shoulder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501429A (en) * | 2020-05-20 | 2020-08-07 | 中铁隆昌铁路器材有限公司 | Tram track fastener |
| CN114134764A (en) * | 2020-09-03 | 2022-03-04 | 洛阳科博思新材料科技有限公司 | Sleeper structure capable of repairing railway spike looseness and railway spike looseness repairing method |
-
2019
- 2019-06-03 CN CN201920825067.7U patent/CN210561483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501429A (en) * | 2020-05-20 | 2020-08-07 | 中铁隆昌铁路器材有限公司 | Tram track fastener |
| CN114134764A (en) * | 2020-09-03 | 2022-03-04 | 洛阳科博思新材料科技有限公司 | Sleeper structure capable of repairing railway spike looseness and railway spike looseness repairing method |
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