CN214401224U - Pore-free toothed rail railway fastener - Google Patents
Pore-free toothed rail railway fastener Download PDFInfo
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- CN214401224U CN214401224U CN202120075787.3U CN202120075787U CN214401224U CN 214401224 U CN214401224 U CN 214401224U CN 202120075787 U CN202120075787 U CN 202120075787U CN 214401224 U CN214401224 U CN 214401224U
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- rack
- railway fastener
- holeless
- toothed rail
- rail
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Abstract
The utility model discloses a cellular type tooth rail railway fastener, this cellular type tooth rail railway fastener includes: the baffle plates are symmetrically arranged on two sides of the rack rail and detachably arranged on the sleeper, and rubber elastic bodies tightly abutting against the side surfaces of the rack rail are fixedly arranged on the side surfaces of the baffle plates facing the rack rail. The holeless toothed rail railway fastener overcomes the defects of the existing toothed rail fastener, and has the advantages of large longitudinal resistance, good longitudinal elasticity, high insulating property and no perforation of the toothed rail.
Description
Technical Field
The utility model relates to a railway fastener specifically relates to a cellular type rack rail railway fastener.
Background
The rack-rail railway is a mountain-climbing railway, one or more special toothed rails are laid in the middle of a common railway track, one or more gears are correspondingly arranged on a bogie of a locomotive running on the rack-rail railway, and when a train runs on the rack-rail railway, traction force and braking force are transmitted by meshing the gears and the racks, so that the problem that the adhesion force of the common locomotive is insufficient on a ramp line is solved, the rack-rail railway has strong climbing capability, and the maximum running line gradient is up to 480 per thousand.
The tooth rail railway is mainly used for railway passenger transportation or coal mine underground auxiliary equipment transportation railway mainly for tourism in mountainous scenic areas. The track has the characteristics of strong climbing capability, small turning radius, good safety, low construction cost and the like, and is widely applied to foreign mountainous areas since 1868 in Washington America, and the track technology is gradually mature after multiple optimization improvements in the period. At present, the initial design of lines is finished in the first tooth rail traffic project from the city river weir to the four girl mountain land traffic project in China, and early construction work is started.
The rack mainly bears the traction force when the train ascends a slope and the braking force when the train descends the slope, and the traction force and the braking force are longitudinal force along the direction of the steel rail, so that the rack fastener is required to have the following three performances:
1) can provide larger longitudinal resistance; 2) because the gear and the rack have certain impact action when being meshed, the rack fastener is required to have better longitudinal elasticity; 3) due to the existence of the track circuit, the insulation performance of the rack rail fastener is good, namely the insulation resistance between the rack rail and the sleeper is high.
The technology of the toothed rail railway is produced, developed and matured abroad, but the toothed rail fastener has obvious defects under the limitation of the technology at that time. The general structure of the rack fastener is shown in fig. 5, holes are drilled on the rack, two angle steels 14 are fixed on two sides of the rack by bolts 15, and the angle steels are fastened by presetting the bolts 15 on the sleepers. This kind of fastener can provide great rack longitudinal resistance, but does not have vertical elasticity, can not effectively reduce impact load in the use, fastener and rack system fragile need punch on the rack just can install the fastener, have reduced rack intensity, and the fastener does not set up the insulation, has certain potential safety hazard to the circuit that has track circuit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cellular type rack rail railway fastener, this cellular type rack rail railway fastener has overcome the not enough of current rack rail fastener, has that longitudinal resistance is big, vertical elasticity is good, insulating properties is high and the rack exempts from the advantage of punching.
In order to achieve the above object, the utility model provides a no cellular type rack rail railway fastener, this no cellular type rack rail railway fastener includes: the baffle plates are symmetrically arranged on two sides of the rack rail and detachably arranged on the sleeper, and rubber elastic bodies tightly abutting against the side surfaces of the rack rail are fixedly arranged on the side surfaces of the baffle plates facing the rack rail.
Preferably, the rubber elastic body extends in a direction parallel to the rack.
Preferably, the side of the rubber elastic body facing the rack is a curved surface.
Preferably, the rubber elastomer is a vulcanized rubber elastomer.
Preferably, a height-adjusting base plate is arranged between the tooth rail and the sleeper.
Preferably, the height-adjusting base plate is a plastic height-adjusting base plate.
Preferably, an insulating pad is disposed between the baffle and the sleeper.
Preferably, grooves are arranged on the sleepers on two sides of the tooth rail; an arch structure capable of being clamped in the groove is formed on the insulating pad, and a convex strip capable of being clamped in the arch structure is formed on the bottom side of the baffle.
Preferably, the baffle plate is provided with a first through hole, the insulating pad is provided with a second through hole, the sleeper is provided with a pre-embedded plastic sleeve, and the anchor bolt penetrates through the spring washer, the first through hole and the second through hole in sequence and then is fastened in the pre-embedded plastic sleeve so as to fix the baffle plate and the insulating pad.
Preferably, a limiting groove is formed on two sides of the height-adjusting base plate, and one end of the insulating pad extends into the limiting groove.
According to the above technical scheme, the utility model discloses following beneficial effect has: overcomes the defects of the prior toothed rail fastener, and has the advantages of large longitudinal resistance, good longitudinal elasticity, high insulating property and no punching of the toothed rail.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a preferred embodiment of a non-apertured rack railway fastener;
FIG. 2 is a front view relative to FIG. 1;
FIG. 3 is a side view relative to FIG. 1;
FIG. 4 is an exploded view relative to FIG. 1;
fig. 5 shows a connection structure between a rack and a sleeper in the prior art.
Description of the reference numerals
1 sleeper 2 groove
3 baffle 4 insulating pad
5 heightening backing plate 6 rack
7 rubber elastic body 8 anchor bolt
9 spring washer 10 bead
11 pre-buried plastic sleeve 12 arch structure
13 second through hole 14 angle steel
15 bolt
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" are used to indicate the orientation of the term in the normal use state, or are commonly understood by those skilled in the art, and should not be construed as limiting the term, and the longitudinal direction in the present application is the direction in which the rack 6 extends.
Referring to fig. 1-4, a non-apertured toothed rail railway fastener is shown, comprising: the baffle plates 3 are symmetrically arranged on two sides of the rack 6, the baffle plates 3 are detachably arranged on the sleeper 1, and rubber elastic bodies 7 tightly abutting against the side surfaces of the rack 6 are fixedly arranged on the side surfaces of the baffle plates 3 facing the rack 6.
Through the implementation of the technical scheme, the holeless toothed rail railway fastener overcomes the defects of the existing toothed rail 6 fastener and has the advantages of large longitudinal resistance, good longitudinal elasticity, high insulating property and no punching of the toothed rail 6. Specifically, the method comprises the following steps: 1. by utilizing the lever principle, when the baffle 3 is fastened, the rubber elastic body 7 in contact with the rack 6 abuts against the rack 6 to generate enough friction force to resist the longitudinal force of the steel rail, wherein the thickness of the rubber elastic body 7 is larger than the distance from the baffle 3 to the rack 6 when the baffle is not assembled, and the thickness of the rubber elastic body is compressed to abut against the rack 6 after the baffle is assembled; 2. by arranging the rubber elastic body 7, the friction coefficient between the rack 6 and the baffle 3 is improved, and meanwhile, the longitudinal elasticity of the rack 6 is provided by utilizing the shearing deformation of the rubber elastic body 7; 3. the rubber elastic body 7 is arranged, so that the insulating property is improved; 4. the tooth rail 6 in the holeless tooth rail railway fastener is tightly propped against the rubber elastic bodies 7 arranged on the two sides, holes do not need to be punched, the tooth rail is fixed through the bolts 15, and the strength of the tooth rail 6 is improved.
In this embodiment, in order to further improve the abutting strength of the rubber elastic body 7 against the rack 6 and provide a more stable longitudinal force, it is preferable that the rubber elastic body 7 extends in a direction parallel to the rack 6. When the rubber elastic body 7 generates shearing deformation when providing longitudinal force, the extending direction of the rubber elastic body 7 is set to be the same as the extending direction of the rack 6, the shearing stress length of the rubber elastic body 7 along the extending direction of the rack 6 can be maximized, the stress strength is higher, and the longitudinal force is more stable.
In this embodiment, since the rubber elastic body 7 has a thickness larger than the distance from the apron 3 to the rack 6 when not assembled, it is preferable that the side of the rubber elastic body 7 facing the rack 6 is curved for ease of assembly. During assembly, one side part of the rubber elastic body 7 facing the rack 6 is located above the rack 6, the two baffle plates 3 are fastened simultaneously, the baffle plates 3 move downwards along with fastening, the rubber elastic body 7 is driven to move downwards, the rubber elastic body 7 gradually abuts against the side face of the rack 6, the rubber elastic body 7 is compressed, the side face of the rubber elastic body 7 facing the rack 6 is set to be a curved face, smoothness of the downward sliding abutting process of the rubber elastic body 7 can be improved, and the specific structure of the curved face is semicircular.
In this embodiment, in order to further increase the friction coefficient between the rack 6 and the rubber elastic body 7 and improve the performance of the rubber elastic body 7, it is preferable that the rubber elastic body 7 is a rubber elastic body integrally vulcanized.
In this embodiment, in order to be able to adjust the height of the rack 6 to suit different road conditions, it is preferable that a height adjusting pad 5 is provided between the rack 6 and the sleeper 1. When the fastener is installed, the tooth rail 6 is adjusted to a proper position by the heightening backing plate 5.
In this embodiment, in order to further increase the insulating performance, it is preferable that the height-adjusting shim plate 5 is a plastic height-adjusting shim plate.
In this embodiment, in order to further increase the insulation performance, an insulating pad 4 is preferably provided between the baffle 3 and the sleeper 1.
In this embodiment, it is preferable that grooves 2 are provided on the sleeper 1 on both sides of the rack 6; an arch 12 capable of engaging with the groove 2 is formed on the insulating pad 4, and a protrusion 10 capable of engaging with the arch 12 is formed on the bottom side of the baffle 3. By this arrangement, it is possible to receive lateral forces of the baffle 3.
In this embodiment, in order to further provide a detachable mounting structure of the baffle 3, it is preferable that a first through hole is provided on the baffle 3, a second through hole 13 is provided on the insulating pad 4, an embedded plastic sleeve 11 is provided on the sleeper 1, and an anchor bolt 8 is fastened in the embedded plastic sleeve 11 after sequentially penetrating through a spring washer 9, the first through hole and the second through hole 13, so as to fix the baffle 3 and the insulating pad 4. When the fastener is installed, the tooth rail 6 is adjusted to a proper position by the heightening base plate 5, and then the anchor bolts 8 on two sides of the tooth rail 6 are fastened simultaneously so as to provide enough pretightening force and limit the longitudinal crawling of the steel rail.
The non-hole type toothed rail railway fastener is provided with secondary insulation, primary insulation is achieved through the plastic heightening base plate and the rubber elastic body 7, secondary insulation is achieved through the insulating pad 4 and the plastic sleeve, and the insulating performance is high.
In this embodiment, in order to prevent the height-adjusting tie plate 5 from sliding down along the rail, it is preferable that a limiting groove is formed on both sides of the height-adjusting tie plate 5, and one end of the insulating pad 4 extends into the limiting groove.
The utility model provides a baffle 3 can set up to the right angle board, and the vertical face of right angle board is close to the side setting of cogged rail 6, and the vertical face and the horizontal plane of right angle board can set up the reinforcing plate along the ascending both ends of 6 extending directions of cogged rail, improve steadiness ability.
Certainly, use for better cooperation nonporous tooth rail railway fastener, the utility model provides a tooth rail 6 can also set up to be that longitudinal section is isosceles trapezoid's structure, goes up narrow width down, can be so that tooth rail 6 is difficult to vertical breaking away from after being supported tightly by rubber elastic 7.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. A non-cellular toothed rail railway fastener, comprising: the baffle plates (3) are symmetrically arranged on two sides of the rack (6), the baffle plates (3) are detachably mounted on the sleeper (1), and rubber elastic bodies (7) abutting against the side surfaces of the rack (6) are fixedly arranged on the side surfaces of the baffle plates (3) facing the rack (6).
2. A holeless rack railway fastener according to claim 1, characterized in that said rubber elastic body (7) extends in a direction parallel to said rack (6).
3. A holeless rack railway fastener as claimed in claim 2, characterized in that the side of said rubber-elastic body (7) facing said rack (6) is curved.
4. A holeless toothed rail railway fastener according to any one of claims 1 to 3, wherein said rubber elastomer (7) is a vulcanized integral rubber elastomer.
5. A holeless toothed rail railway fastener according to any one of claims 1 to 3, characterized in that between the toothed rail (6) and the sleeper (1) there is provided an elevation tie plate (5).
6. The holeless toothed rail railway fastener according to claim 5, wherein said heightening pad (5) is a plastic heightening pad.
7. Holeless toothed rail railway fastener according to claim 6, characterized in that an insulating pad (4) is provided between said barrier (3) and said sleeper (1).
8. The holeless toothed rail railway fastener according to claim 7, characterized in that said sleeper (1) is provided with grooves (2) on both sides of said toothed rail (6);
an arch structure (12) capable of being clamped in the groove (2) is formed on the insulating pad (4), and a convex strip (10) capable of being clamped in the arch structure (12) is formed on the bottom side of the baffle (3).
9. The holeless toothed rail railway fastener according to claim 8, wherein the baffle (3) is provided with a first through hole, the insulating pad (4) is provided with a second through hole (13), the sleeper (1) is provided with a pre-embedded plastic sleeve (11), and the anchor bolt (8) sequentially penetrates through the spring washer (9), the first through hole and the second through hole (13) and then is fastened in the pre-embedded plastic sleeve (11) so as to fix the baffle (3) and the insulating pad (4).
10. The holeless rack railway fastener according to claim 9, wherein the height-adjusting tie plate (5) is formed at both sides with a limiting groove, and one end of the insulating pad (4) is inserted into the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120075787.3U CN214401224U (en) | 2021-01-12 | 2021-01-12 | Pore-free toothed rail railway fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120075787.3U CN214401224U (en) | 2021-01-12 | 2021-01-12 | Pore-free toothed rail railway fastener |
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| Publication Number | Publication Date |
|---|---|
| CN214401224U true CN214401224U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120075787.3U Active CN214401224U (en) | 2021-01-12 | 2021-01-12 | Pore-free toothed rail railway fastener |
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| CN (1) | CN214401224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007479A (en) * | 2024-04-09 | 2024-05-10 | 云南星石科技有限公司 | Mining rack rail entering laying device |
-
2021
- 2021-01-12 CN CN202120075787.3U patent/CN214401224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007479A (en) * | 2024-04-09 | 2024-05-10 | 云南星石科技有限公司 | Mining rack rail entering laying device |
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