CN211645783U - Track fastener - Google Patents
Track fastener Download PDFInfo
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- CN211645783U CN211645783U CN201922259099.8U CN201922259099U CN211645783U CN 211645783 U CN211645783 U CN 211645783U CN 201922259099 U CN201922259099 U CN 201922259099U CN 211645783 U CN211645783 U CN 211645783U
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- rail
- plate
- limiting surface
- fastener
- pressing
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Abstract
The utility model discloses a track fastener, which comprises a backing plate, an adjusting backing plate and a pressing plate which are sequentially arranged from bottom to top, wherein the backing plate is provided with a transverse retaining shoulder which extends upwards, the transverse retaining shoulder is provided with a first limiting surface, and the first limiting surface is an inclined surface which is inclined relative to the extending direction of the track; the pressing plate is provided with a second limiting surface which is parallel to the first limiting surface and can be abutted against different positions of the first limiting surface; the backing plate and the pressing plate are pressed and fixed through the fastening piece, one of the backing plate and the pressing plate is provided with a first long round hole for the fastening piece to penetrate through, the length direction of the first long round hole is parallel to the first limiting surface, the fastening piece can move in the first long round hole along the length direction, and the other one of the backing plate and the pressing plate is provided with a first fixing hole for the fastening piece to penetrate through and matched with the fastening piece. Through the arrangement, the rail fastener can effectively fix the rail and adjust the rail gauge, the processing and assembling precision requirements of parts are reduced, and the assembling efficiency is improved.
Description
Technical Field
The utility model relates to a track traffic technical field, concretely relates to track fastener.
Background
In recent years, with the rapid development of rail traffic systems such as high-speed rails, subways and light rails in China, the variety of rail fasteners for connecting the steel rails and the sleepers is more and more, and the adjusting function of the rail fasteners and the effect of fixing the steel rails are more and more emphasized because the rails are products with dynamic loss.
In the prior art of fixing rails, the transverse swing of the steel rails causes the transverse abrasion of the gauge blocks to be large, and the adverse effect is caused on the driving safety of vehicles. Therefore, a certain horizontal adjustment amount (i.e. a track gauge adjustment amount) is required for a track fastener for fixing a track, and the conventional method is to use the existing track gauge block for adjustment, but the track gauge block adjustment has the problems of small adjustment range and large adjustment step length, and cannot ensure the transverse clamping of the steel rail. In addition, the tracks such as subways and high-speed rails use universal gauge adjusting blocks, so that the gauge adjusting blocks are poor in size coincidence with rail feet and rail gauge retaining shoulders of fasteners during actual installation, effective close adhesion is hardly achieved among the rails, abrasion of working parts of the gauge adjusting blocks is aggravated under the effect of long-time load, gaps between the gauge adjusting blocks and the rails are increased, and adverse effects are brought to stability of the tracks.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of above-mentioned technical problem, the utility model provides a track fastener can realize the track fastener to orbital effective fixation and the adjustment of gauge, reduces the processing and the equipment required precision of spare part simultaneously, improves the packaging efficiency.
In order to achieve the purpose of the utility model, the utility model discloses the technical scheme who takes as follows:
a rail fastener comprises a base plate, an adjusting base plate and a pressing plate which are sequentially arranged from bottom to top, wherein the adjusting base plate is arranged to support a rail, the pressing plate is arranged to be located on one side of the rail, the first end of the pressing plate is arranged to press a rail foot of the rail, a transverse blocking shoulder extending upwards is arranged on the base plate, a first limiting surface is arranged on the transverse blocking shoulder, and the first limiting surface is an inclined surface inclined relative to the extending direction of the rail;
a second limiting surface is arranged at the second end of the pressing plate, the second limiting surface is parallel to the first limiting surface, and the second limiting surface can be abutted against different positions of the first limiting surface;
the backing plate with the clamp plate compresses tightly fixedly through the fastener, just be equipped with on the backing plate with in one of the clamp plate and be used for the first slotted hole that the fastener passed, the length direction of first slotted hole with first spacing face is parallel, the fastener can the first slotted hole is downthehole to remove along length direction, the backing plate with be equipped with on another in the clamp plate and be used for the fastener pass and with the first fixed orifices of fastener looks adaptation.
Optionally, a third limiting surface is arranged on the adjusting base plate, the third limiting surface is parallel to the first limiting surface, and the third limiting surface is abutted to the first limiting surface.
Optionally, a second long round hole for the fastening piece to pass through is formed in the adjusting base plate, the length direction of the second long round hole is parallel to the first limiting surface, and the fastening piece can move in the second long round hole along the length direction;
or the adjusting base plate is provided with a second fixing hole which is used for the fastener to pass through and is matched with the fastener.
Optionally, two transverse blocking shoulders are arranged and are respectively positioned on two sides of the base plate far away from the rail;
two third limiting surfaces are arranged and are respectively positioned on two sides of the adjusting base plate away from the track;
the pressing plates are two, the second limiting surfaces of the two pressing plates are respectively abutted to the first limiting surfaces of the two transverse retaining shoulders, and the two pressing plates are arranged to respectively press the rail feet on two sides of the rail.
Optionally, a stepped boss is arranged on the adjusting base plate, a groove is arranged at the lower part of the pressing plate, and the stepped boss is matched with the groove.
Optionally, the rail clip further comprises a gauge block fixed between the rail and the pressing plate and configured to press the rail foot of the rail.
Optionally, the gauge block is arc-shaped and has a clamping portion and a pressing portion respectively located at two ends, the clamping portion of the gauge block is transversely disposed between the pressing plate and the rail foot of the rail, and the pressing portion of the gauge block presses the rail foot of the rail from above;
the lower part of the first end of the pressing plate is provided with an arc-shaped surface, and the arc-shaped surface presses the pressing part and the clamping part of the gauge block.
Optionally, the thickness of the clamping portion of the gage block is adjustable.
Optionally, an upwardly extending flange is arranged on the gauge block, the flange encloses a limiting groove, and the first end of the pressing plate is arranged in the limiting groove.
Optionally, the rail fastener further comprises a rail lower pad, the rail lower pad is disposed between the rail and the adjusting pad.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. in the rail fastener, a transverse blocking shoulder extending upwards is arranged on a base plate, a first limiting surface is arranged on the transverse blocking shoulder, and the first limiting surface is an inclined surface inclined relative to the extending direction of a rail; the pressing plate is provided with a second limiting surface, the second limiting surface is parallel to the first limiting surface, and the second limiting surface can be abutted against different positions of the first limiting surface; the backing plate and the pressing plate are pressed and fixed through the fastening piece, one of the backing plate and the pressing plate is provided with a first long round hole for the fastening piece to penetrate through, the other one of the backing plate and the pressing plate is provided with a first fixing hole matched with the fastening piece, the length direction of the first long round hole is parallel to the first limiting surface, and the fastening piece can move in the first long round hole along the length direction.
Through the arrangement, the pressing plate can move in the first long circular hole through the fastener, the best limiting point matched with the first limiting surface of the transverse retaining shoulder on the base plate is found, the second limiting surface can be abutted against the corresponding position of the first limiting surface, and the effective adjustment of the distance between the pressing plate and the steel rail is realized. Furthermore, the requirement on the machining precision of the limiting surfaces of the pressing plate and the base plate is reduced, and the machining efficiency and the assembling efficiency are improved.
2. In the track fastener, be equipped with the ladder boss on the adjustment backing plate, the lower part of clamp plate is equipped with the recess, and through the cooperation of ladder boss on the backing plate and clamp plate upper groove, the secondary that can realize the clamp plate is horizontal spacing, ensures that under the fastener effect, the clamp plate can remain stable in position in the track fastener.
3. In the rail fastener, a gauge block is fixed between a rail and a pressing plate, is arranged in an arc shape, and is provided with a clamping part and a pressing part which are respectively positioned at two ends, wherein the clamping part is transversely arranged between the pressing plate and a rail foot of the rail, and the pressing part presses the rail foot of the rail from the upper part; the lower part of the first end of the pressing plate is provided with an arc-shaped surface, and the arc-shaped surface presses the pressing part and the clamping part of the gauge block.
Through the arrangement, the transverse and longitudinal pressing of the pressing plate on the gauge block can be realized, and then the fixation of the rail foot of the rail is realized.
4. In the track fastener, the thickness of the clamping part of the gauge block is adjustable, and the gauge block can be processed into series products with clamping parts with different thicknesses according to the actual requirement of adjusting the gauge, so that the gauge block is selected and used during construction.
Drawings
The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.
Fig. 1 is a schematic view of an assembly structure of a rail fastener according to an embodiment of the present invention;
FIG. 2 is an exploded view of the rail clip of FIG. 1;
FIG. 3 is a schematic view of the construction of the pallet shown in FIG. 1;
FIG. 4 is a schematic view of the shim plate shown in FIG. 1;
FIG. 5 is a schematic view of the platen shown in FIG. 1;
FIG. 6 is a schematic view of the gage block shown in FIG. 1;
fig. 7 is a schematic structural view of the under-rail pad shown in fig. 1.
Reference numerals:
1. a steel rail; 2. a base plate; 21. a transverse shoulder; 211. a first limiting surface; 22. a first oblong hole; 3. pressing a plate; 31. a first end; 311. an arc-shaped surface; 32. a second end; 321. a second limiting surface; 33. a first fixing hole; 34. a groove; 4. adjusting the base plate; 41. a third limiting surface; 42. a second oblong hole; 43. a stepped boss; 5. a gauge block; 51. a clamping portion; 52. a pressing part; 53. a flange; 531. a limiting groove; 6. a fastener; 7. and a rail lower backing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the present embodiment, the features may be arbitrarily combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, however, the present disclosure may be practiced otherwise than as specifically described herein, and thus the scope of the present disclosure is not limited by the specific embodiments disclosed below.
As shown in figure 1, the rail fastener comprises a base plate 2, an adjusting base plate 4 and a pressing plate 3 which are sequentially arranged from bottom to top, wherein the adjusting base plate 4 is arranged to be a supporting rail, the pressing plate 3 is arranged to be positioned on one side of the rail, and the pressing plate 3 is arranged to be used for pressing the rail foot of the rail.
Optionally, the material of the backing plate 2, the adjusting backing plate 4 and the pressing plate 3 is iron.
Specifically, as shown in fig. 1 to 5, the rail is a steel rail 1, the backing plate 2 is provided with a transverse shoulder 21 extending upward, the transverse shoulder 21 is provided with a first limiting surface 211, and the first limiting surface 211 is an inclined surface inclined relative to the extending direction of the steel rail 1; the first end 31 of the pressing plate 3 is arranged to press the rail foot of the steel rail 1, the second end 32 is provided with a second limiting surface 321, and the second limiting surface 321 is parallel to the first limiting surface 211 on the transverse retaining shoulder 21; the backing plate 2 and the pressing plate 3 are pressed and fixed through the fastening piece 6, the backing plate 2 is provided with a first long round hole 22 for the fastening piece 6 to penetrate through, the length direction of the first long round hole 22 is parallel to the first limiting surface 211, the fastening piece 6 can move in the first long round hole 22 along the length direction, and the pressing plate 3 is provided with a first fixing hole 33 for the fastening piece 6 to penetrate through and matched with the fastening piece 6.
Of course, a first long round hole for the fastening piece 6 to pass through may be formed in the pressure plate 3, the length direction of the first long round hole is parallel to the first limiting surface 211, the fastening piece 6 can move in the first long round hole along the length direction, and a first fixing hole for the fastening piece 6 to pass through and adapted to the fastening piece 6 is formed in the backing plate 2.
Through the arrangement, the pressing plate 3 can move in the first long round hole 22 through the fastener 6, an optimal limiting point matched with the first limiting surface 211 of the transverse retaining shoulder 21 on the base plate 2 is found, the second limiting surface 321 can be abutted against the corresponding position of the first limiting surface 211, and the effective adjustment of the distance between the pressing plate 3 and the steel rail 1 is realized. Further, the machining precision requirements of the matching surfaces (i.e., the first limiting surface 211 and the second limiting surface 321) of the pressing plate 3 and the backing plate 2 are reduced, and the machining efficiency and the assembling efficiency are improved.
Optionally, the angle between the first stopper surface 211 and the extending direction of the steel rail 1 is 15 ° to 30 °. Certainly, the included angle is not limited to 15-30 degrees, and the range of the included angle can be flexibly set according to actual requirements.
Optionally, as shown in fig. 4, a third position-limiting surface 41 is disposed on the adjusting shim plate 4, the third position-limiting surface 41 is parallel to the first position-limiting surface 211 of the transverse shoulder 21, and the third position-limiting surface 41 abuts against the first position-limiting surface 211.
Optionally, a second elongated hole 42 for the fastening piece 6 to pass through is formed in the adjusting shim plate 4, the length direction of the second elongated hole 42 is parallel to the first limiting surface 211 of the transverse blocking shoulder 21, and the fastening piece 6 can move in the second elongated hole 42 along the length direction.
Through the arrangement, the adjusting base plate 4 and the base plate 2 can be fixed relatively, the position of the pressing plate 3 can be adjusted through the movement of the fastening piece 6 in the first long circular hole 22 and the second long circular hole 42, and then the gap between the rail fastener and the steel rail 1 is adjusted.
Of course, a second fixing hole for the fastening member 6 to pass through and fit to the fastening member 6 may be provided on the adjustment shim plate 4. At this time, the leveling plate 4 can be adjusted in position together with the platen 3.
Alternatively, the fastener 6 comprises a T-bolt and a nut. The T-shaped bolt sequentially penetrates through the first long circular hole 22 of the backing plate 2, the second long circular hole 42 of the adjusting backing plate 4 and the first fixing hole 33 of the pressing plate 3 from bottom to top and then is locked by the nut.
Specifically, as shown in fig. 1 and 2, two transverse blocking shoulders 21 are arranged on the backing plate 2 and are respectively positioned at two sides of the backing plate 2 far away from the steel rail 1; correspondingly, two third limiting surfaces 41 are also arranged on the adjusting shim plate 4 and are respectively positioned at two sides of the adjusting shim plate 4 far away from the steel rail 1.
Correspondingly, two pressing plates 3 are also provided, the second limiting surfaces 321 of the two pressing plates 3 are respectively abutted with the first limiting surfaces 211 of the two transverse retaining shoulders 21, and the two pressing plates 3 are respectively arranged to press the rail feet on two sides of the steel rail 1.
Optionally, as shown in fig. 4 and 5, a stepped boss 43 is provided on the adjusting shim plate 4, a groove 34 is provided at the lower portion of the pressing plate 3, and during the assembly of the rail fastener, the stepped boss 43 is matched with the groove 34, so that the secondary transverse limiting of the pressing plate 3 can be realized, and the pressing plate 3 can be kept stable in position in the rail fastener under the action of the fastener 6.
Optionally, as shown in fig. 1, 2 and 6, the rail clip further comprises a gauge block 5, the gauge block 5 being fixed between the rail 1 and the clamp plate 3 and arranged to compress the foot of the rail 1.
Alternatively, the gage block 5 is provided in an arc shape and has a clamping portion 51 and a pressing portion 52 at both ends, respectively, the clamping portion 51 of the gage block 5 is laterally disposed between the presser plate 3 and the foot of the rail 1, and the pressing portion 52 of the gage block 5 presses the foot of the rail 1 from above.
Optionally, the lower portion of the first end 31 of the pressure plate 3 is provided with an arc surface 311, and the arc surface 311 presses the pressing portion 52 and the clamping portion 51 of the gauge block 5.
Through the arrangement, the pressing plate 3 can transversely and longitudinally compress the gauge block 5, and then the rail foot of the rail is fixed. Can realize the fixed of the horizontal direction of rail 1, vertical direction through the track fastener, through adjusting clamp plate 3, can realize that the rail gauge block 5, the rail foot of rail 1 and the good size coincidence between the 3 three of clamp plate, and then improve the stability of rail 1, reduce the frequency that rail 1 maintained to a certain extent.
Specifically, the thickness of the clamping part 51 of the gauge block 5 is adjustable, and the gauge block 5 can be processed into series products with the clamping parts 51 with different thicknesses according to the actual requirement of adjusting the gauge, so that the gauge block is convenient to use during construction.
Optionally, the gauge block 5 is provided with an upwardly extending flange 53, the flange 53 encloses a limiting groove 531, and the first end 31 of the pressing plate 3 is disposed in the limiting groove 531, so that the pressing plate 3 can limit the gauge block 5, and the position stability of the gauge block 5 is ensured.
Specifically, three edges of the gauge block 5 are provided with flanges 53 extending upward, and the flanges 53 of the three edges cooperate to form a limiting groove 531 with one side open.
Optionally, as shown in fig. 2 and 7, the rail fastener further includes a rail lower pad 7, and the rail lower pad 7 is disposed between the steel rail 1 and the adjusting pad 4, and is used for achieving vibration damping in the vertical direction of the steel rail 1 and filling a contact gap between the steel rail 1 and the adjusting pad 4, further reducing the requirement on the machining precision of the contact surface between the steel rail 1 and the adjusting pad 4, and improving the machining efficiency and the assembling efficiency.
Optionally, a through hole is formed in the rail fastener and used for penetrating through an anchor bolt, and the anchor bolt can fix the rail fastener on the rail foundation so as to fix the steel rail on the rail foundation through the rail fastener. Specifically, the anchor bolt can be installed in the bolt sleeve after penetrating through the installation hole of the base plate, and the bolt sleeve can be fixedly connected with the track foundation in an embedded or cast-in-place mode.
To sum up, the embodiment of the utility model provides a track fastener can realize track fastener to rail 1's effective fixation and the adjustment of gauge, reduces the processing and the equipment required precision of spare part simultaneously, improves the packaging efficiency.
In the description of the present invention, the terms "connected" and "fixed" should be interpreted broadly, for example, the term "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms herein can be understood by those of ordinary skill in the art as appropriate.
The above embodiments are merely exemplary embodiments of the present invention, which are described in detail and specific, and the content is only the embodiments adopted for the understanding of the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A rail fastener comprises a backing plate, an adjusting backing plate and a pressing plate which are sequentially arranged from bottom to top, wherein the adjusting backing plate is arranged to support a rail, the pressing plate is arranged to be positioned at one side of the rail, the first end of the pressing plate is arranged to press a rail foot of the rail,
the base plate is provided with a transverse retaining shoulder extending upwards, the transverse retaining shoulder is provided with a first limiting surface, and the first limiting surface is an inclined surface inclined relative to the extending direction of the rail;
a second limiting surface is arranged at the second end of the pressing plate, the second limiting surface is parallel to the first limiting surface, and the second limiting surface can be abutted against different positions of the first limiting surface;
the backing plate with the clamp plate compresses tightly fixedly through the fastener, just be equipped with on the backing plate with in one of the clamp plate and be used for the first slotted hole that the fastener passed, the length direction of first slotted hole with first spacing face is parallel, the fastener can the first slotted hole is downthehole to remove along length direction, the backing plate with be equipped with on another in the clamp plate and be used for the fastener pass and with the first fixed orifices of fastener looks adaptation.
2. A track fastener according to claim 1, wherein the adjusting plate is provided with a third limiting surface, the third limiting surface is parallel to the first limiting surface, and the third limiting surface abuts against the first limiting surface.
3. The track fastener according to claim 2, wherein the adjusting shim plate is provided with a second oblong hole for the fastener to pass through, the length direction of the second oblong hole is parallel to the first limiting surface, and the fastener can move in the second oblong hole along the length direction;
or the adjusting base plate is provided with a second fixing hole which is used for the fastener to pass through and is matched with the fastener.
4. A rail clip according to claim 2, wherein there are two transverse shoulders, one on each side of said backing plate remote from said rail;
two third limiting surfaces are arranged and are respectively positioned on two sides of the adjusting base plate away from the track;
the pressing plates are two, the second limiting surfaces of the two pressing plates are respectively abutted to the first limiting surfaces of the two transverse retaining shoulders, and the two pressing plates are arranged to respectively press the rail feet on two sides of the rail.
5. A rail clip according to any one of claims 1 to 4, wherein the adjustment pad is provided with a stepped boss, and the lower portion of the pressure plate is provided with a groove, the stepped boss being engaged with the groove.
6. A rail clip according to any one of claims 1 to 4, further comprising a gauge block secured between the rail and the clip and arranged to compress the foot of the rail.
7. The rail clip of claim 6 wherein said gage block is arcuate and has a clamping portion and a clamping portion at opposite ends thereof, said clamping portion of said gage block being disposed transversely between said clamp plate and said rail foot of said rail, said clamping portion of said gage block pressing said rail foot of said rail from above;
the lower part of the first end of the pressing plate is provided with an arc-shaped surface, and the arc-shaped surface presses the pressing part and the clamping part of the gauge block.
8. A rail clip according to claim 7, in which the thickness of the clamping portion of the gauge block is adjustable.
9. A rail clip according to claim 6, wherein the gauge block is provided with an upwardly extending flange, the flange defining a retaining groove, the first end of the pressure plate being disposed in the retaining groove.
10. A rail clip according to any one of claims 1 to 4, further comprising an under-rail pad disposed between the rail and the adjustment pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922259099.8U CN211645783U (en) | 2019-12-16 | 2019-12-16 | Track fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922259099.8U CN211645783U (en) | 2019-12-16 | 2019-12-16 | Track fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211645783U true CN211645783U (en) | 2020-10-09 |
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ID=72696436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922259099.8U Active CN211645783U (en) | 2019-12-16 | 2019-12-16 | Track fastener |
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| Country | Link |
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| CN (1) | CN211645783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI790012B (en) * | 2021-11-29 | 2023-01-11 | 財團法人工業技術研究院 | Composite base plate |
-
2019
- 2019-12-16 CN CN201922259099.8U patent/CN211645783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI790012B (en) * | 2021-11-29 | 2023-01-11 | 財團法人工業技術研究院 | Composite base plate |
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