CN109811597A - A kind of rail fastener anti-rotation casing - Google Patents
A kind of rail fastener anti-rotation casing Download PDFInfo
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- CN109811597A CN109811597A CN201910163854.4A CN201910163854A CN109811597A CN 109811597 A CN109811597 A CN 109811597A CN 201910163854 A CN201910163854 A CN 201910163854A CN 109811597 A CN109811597 A CN 109811597A
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- rotation
- screw thread
- rotation protrusion
- rail fastener
- protrusion
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Abstract
The present invention relates to a kind of rail fastener anti-rotation casing, the anti-rotation casing is structure as a whole, and the anti-rotation casing includes sleeve body, internal screw thread and anti-rotation member；Described sleeve pipe ontology is bottom closing, open-topped round tube shape structure；The internal screw thread is set to the inner wall of sleeve body, and the top of the internal screw thread and the top of described sleeve pipe ontology, at a distance of the first preset length a, the external screw thread of the internal screw thread and fastener anchor bolt matches；The anti-rotation member includes spaced set in the multi-turn anti-rotation protrusion of sleeve body outer wall, the center of circle of the anti-rotation protrusion is located on the center line of described sleeve pipe ontology, and it is equipped with more than one limiting slot in every circle anti-rotation protrusion, simultaneously equal part is truncated in anti-rotation protrusion by the limiting slot.Anti-rotation protrusion and limiting slot is arranged by the outer wall in sleeve body in the present invention, so that concrete is substantially embedded between anti-rotation protrusion and in limiting slot, the problem of casing being effectively prevent easily to loosen.
Description
Technical field
The present invention relates to railroad track fields, and in particular to a kind of rail fastener anti-rotation casing.
Background technique
Fastener is the important component for being coupled rail and sleeper or other sub-rail foundations, and effect is to maintain rail and sub-rail foundation
Correct position and it is reliable be coupled, prevent vertically and horizontally moving for rail, prevent rail from tumbling.When train passes through, fastener is by wheel track
Lateral fatigue load, casing are also easy to produce rotation or loosening, cause to be unable to reach between casing and sleeper it is tight couple, influence casing with
The yield strength and service life of threaded connector between sleeper, therefore it is required that casing has certain anti-rotation, locking kinetic force.
At present the country rail fastener outside of sleeve setting two circular cavities be coupled with spiral bar, between increase cohesive force with
Torque, to solve the problems, such as that casing is easy rotational release.But the type ferrule mold is relative complex, and increases manufacturing process.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of rail fastener anti-rotation casing.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of rail fastener anti-rotation casing, the anti-rotation casing are structure as a whole, and the anti-rotation casing includes casing sheet
Body, internal screw thread and anti-rotation member；
Described sleeve pipe ontology is bottom closing, open-topped round tube shape structure；
The internal screw thread is set to the inner wall of sleeve body, and the top at the top of the internal screw thread and described sleeve pipe ontology
At a distance of the first preset length a, the external screw thread of the internal screw thread and fastener anchor bolt matches；
The anti-rotation member includes that spaced set is raised in the multi-turn anti-rotation of sleeve body outer wall, the anti-rotation protrusion
The center of circle is located on the center line of described sleeve pipe ontology, and is equipped with more than one limiting slot, institute in every circle anti-rotation protrusion
Limiting slot is stated by the truncation of anti-rotation protrusion and equal part.
Further, the spacing c of the adjacent anti-rotation protrusion is not less than 12mm.
Further, the anti-rotation protrusion is not less than 3mm relative to the height h of described sleeve pipe ontology.
Further, the section of the anti-rotation protrusion is isosceles trapezoid.
Further, adjacent two kidney-shaped of the adjacent anti-rotation protrusion at angle α be 60 °.
Further, the limit groove bottom width d is not less than 4mm.
Further, the limiting slot number in every circle anti-rotation protrusion is identical, and the limiting slot is convex in each circle anti-rotation
Position on rising corresponds to each other.
Further, the outer wall of described sleeve pipe ontology is additionally provided with the reinforcing ring of a circle outwardly convex, and the reinforcing ring is cut
Face is rectangle, top with flushed at the top of described sleeve pipe ontology, the height and anti-rotation of the reinforcing ring facing sleeve ontology are convex
Play consistent, longitudinal length b.
Further, the anti-rotation casing is made of nylon 6 or nylon66 fiber.
Further, also mixed with glass in the anti-rotation casing.
Compared with prior art, the invention has the benefit that the application is convex in sleeve body outer wall setting multi-turn anti-rotation
It rises, and limiting slot is set in anti-rotation protrusion, in this way, the concrete of anti-rotation outside of sleeve will be embedded between anti-rotation protrusion and limit
In slot, so that anti-rotation casing couples with sleeper concrete fastening, it can not rotate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of rail fastener anti-rotation casing involved in a specific embodiment of the invention；
Fig. 2 is a kind of front view of rail fastener anti-rotation casing involved in a specific embodiment of the invention；
Fig. 3 is a kind of top view of rail fastener anti-rotation casing involved in a specific embodiment of the invention；
Fig. 4 is a kind of usage state diagram of rail fastener anti-rotation casing involved in a specific embodiment of the invention.
In figure:
1- sleeve body；2- internal screw thread；3- anti-rotation protrusion；4- limiting slot；5- reinforcing ring；6- fastener anchor bolt；7- button
Part；8- sleeper concrete.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The present embodiment provides a kind of rail fastener anti-rotation casings, and referring to Fig. 1-3, the anti-rotation casing is structure as a whole,
The anti-rotation casing includes sleeve body 1, internal screw thread 2 and anti-rotation member；
Described sleeve pipe ontology 1 is bottom closing, open-topped round tube shape structure；
The internal screw thread 2 is set to the inner wall of sleeve body 1, and the top of the internal screw thread 2 and described sleeve pipe ontology 1
Top matches at a distance of the first preset length a, the external screw thread of the internal screw thread 2 and fastener anchor bolt 6；
The anti-rotation member includes spaced set in the multi-turn anti-rotation protrusion 3 of sleeve body outer wall, the anti-rotation protrusion 3
The center of circle be located on the center line of described sleeve pipe ontology 1, and be equipped with more than one limiting slot in every circle anti-rotation protrusion 3
4, simultaneously equal part is truncated in anti-rotation protrusion 3 by the limiting slot 4.
Referring to fig. 4, a kind of rail fastener described herein is to be embedded in advance in sleeper concrete 8 in advance with anti-rotation casing,
It is threadedly coupled with the fastener anchor bolt 6 for passing through fastener 7, thus the component that rail is fixed.The present embodiment is in casing sheet
Multi-turn anti-rotation protrusion 3 is arranged in the outer wall of body 1, and more than one limiting slot 4 is arranged in every circle anti-rotation protrusion 3, so that coagulation
The problem of soil is substantially embedded between anti-rotation protrusion 4 and in limiting slot 4, casing can be effectively prevent easily to loosen；Wherein, it is embedded in anti-rotation
Concrete between protrusion 3 can especially prevent the up and down motion of casing, and the concrete in the limiting slot 4 being embedded in can especially prevent to cover
The rotation of pipe.
In addition, preferably, in one particular embodiment of the present invention, the first preset length a is not less than 25mm.This implementation
The top of internal screw thread 2 and described sleeve pipe ontology 1 distance away, makes at the screw thread variable cross-section of fastener anchor bolt 6 in example
In sleeve pipe, the shearing strength of fastener anchor bolt 6 is improved.
In addition, preferably, in one particular embodiment of the present invention, the spacing c of the adjacent anti-rotation protrusion 3 is not less than
12mm.Since sleeper concrete has gravel particle, 3 spacing of anti-rotation protrusion are too small to will lead to raised 3 Concrete Filleds of anti-rotation not
It is closely knit.
In addition, preferably, in one particular embodiment of the present invention, the anti-rotation protrusion 3 is relative to described sleeve pipe sheet
The height h of body 1 is not less than 3mm.
In addition, preferably, in one particular embodiment of the present invention, the section of the anti-rotation protrusion 3 is referring to Fig. 1
Isosceles trapezoid.
In addition, preferably, in one particular embodiment of the present invention, adjacent two kidney-shaped of the adjacent anti-rotation protrusion 3
At angle α be 60 °.
In addition, preferably, in one particular embodiment of the present invention, 4 bottom of limiting slot is wide referring to Fig. 3
It spends d and is not less than 4mm.Preferably, the top width of the limiting slot 4 is greater than bottom width.
In addition, preferably, referring to Fig. 3-4, in one particular embodiment of the present invention, in every circle anti-rotation protrusion
4 numbers of limiting slot are identical, and position of the limiting slot 4 in each circle anti-rotation protrusion 3 corresponds to each other.
In addition, preferably, referring to Fig. 1-2, in one particular embodiment of the present invention, the outer wall of described sleeve pipe ontology 1
It is additionally provided with the reinforcing ring 5 of a circle outwardly convex, the section of the reinforcing ring 5 is rectangle, the top at top and described sleeve pipe ontology
Portion flushes, and height and the anti-rotation protrusion 3 of the 5 facing sleeve ontology 1 of reinforcing ring is consistent, longitudinal length b.Preferably, institute
B is stated not less than 20mm.The setting of reinforcing ring 5 can guarantee the globality of concrete on the outside of anti-rotation cannula tip in the present embodiment, if
It is not provided with reinforcing ring 5 on the outside of anti-rotation cannula tip or completely set up for anti-rotation protrusion 3 described in above embodiments, then will lead to top
Portion's concrete thickness is relatively thin, is easy chip off-falling.
In addition, preferably, in one particular embodiment of the present invention, the anti-rotation casing is by nylon 6 or nylon66 fiber system
At.
In addition, preferably, in one particular embodiment of the present invention, also mixed with glass in the anti-rotation casing.Glass
Addition the intensity of casing can be greatly improved, while enhancing toughness and weatherability, improve Service Life of Casing.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of rail fastener anti-rotation casing, which is characterized in that the anti-rotation casing is structure as a whole, the anti-rotation casing packet
Include sleeve body, internal screw thread and anti-rotation member；
Described sleeve pipe ontology is bottom closing, open-topped round tube shape structure；
The internal screw thread is set to the inner wall of sleeve body, and the top of the internal screw thread and the top of described sleeve pipe ontology are apart
First preset length a, the external screw thread of the internal screw thread and fastener anchor bolt match；
The anti-rotation member includes spaced set in the multi-turn anti-rotation protrusion of sleeve body outer wall, the center of circle of the anti-rotation protrusion
More than one limiting slot, the limit are equipped on the center line of described sleeve pipe ontology, and in every circle anti-rotation protrusion
Simultaneously equal part is truncated in anti-rotation protrusion by position slot.
2. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that the adjacent anti-rotation protrusion
Spacing c is not less than 12mm.
3. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that the anti-rotation protrusion relative to
The height h of described sleeve pipe ontology is not less than 3mm.
4. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that the section of the anti-rotation protrusion
For isosceles trapezoid.
5. a kind of rail fastener anti-rotation casing according to claim 4, which is characterized in that the adjacent anti-rotation protrusion
Adjacent two kidney-shaped at angle α be 60 °.
6. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that the limit trench bottom
Width d is not less than 4mm.
7. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that in every circle anti-rotation protrusion
Limiting slot number it is identical, and the limiting slot it is each circle anti-rotation protrusion on position correspond to each other.
8. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that the outer wall of described sleeve pipe ontology
It is additionally provided with the reinforcing ring of a circle outwardly convex, the section of the reinforcing ring is rectangle, the top at top and described sleeve pipe ontology
It flushes, height and the anti-rotation protrusion of the reinforcing ring facing sleeve ontology are consistent, longitudinal length b.
9. a kind of rail fastener anti-rotation casing according to claim 1, which is characterized in that the anti-rotation casing is by nylon
6 or nylon66 fiber be made.
10. a kind of rail fastener anti-rotation casing according to claim 9, which is characterized in that in the anti-rotation casing also
Mixed with glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163854.4A CN109811597A (en) | 2019-03-05 | 2019-03-05 | A kind of rail fastener anti-rotation casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163854.4A CN109811597A (en) | 2019-03-05 | 2019-03-05 | A kind of rail fastener anti-rotation casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109811597A true CN109811597A (en) | 2019-05-28 |
Family
ID=66608208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910163854.4A Pending CN109811597A (en) | 2019-03-05 | 2019-03-05 | A kind of rail fastener anti-rotation casing |
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| Country | Link |
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| CN (1) | CN109811597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720397A (en) * | 2020-05-22 | 2020-09-29 | 东莞市中机建科实业有限公司 | Shear-resistant and slippage-resistant connecting pair with adjustable mounting position and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0167106A2 (en) * | 1984-06-30 | 1986-01-08 | Udo Wirthwein | Hollow plug for railway construction |
| EP1116826A1 (en) * | 2000-01-10 | 2001-07-18 | ARS Industries | Anchoring dowel for fixation in a concrete body |
| CN2871614Y (en) * | 2006-03-09 | 2007-02-21 | 北京祥和锦辰科技发展有限公司 | Positioning double pipe with built-in threaded fastener |
| CN101044286A (en) * | 2004-07-26 | 2007-09-26 | 环球工程固件有限公司 | Attachment of components to composite materials |
| CN101575831A (en) * | 2008-05-10 | 2009-11-11 | 中铁二十一局集团有限公司 | Railway sleeper and preset fastening bolt sleeve used for same |
| CN103088721A (en) * | 2012-12-17 | 2013-05-08 | 宁波曙翔铁路设备制造有限公司 | High-strength resin matrix composite pre-cast casing pipe |
| US20170183828A1 (en) * | 2014-04-17 | 2017-06-29 | Ningbo Shuxiang New Material Co., Ltd. | Casing Tube and Manufacturing Method Thereof |
| CN209779348U (en) * | 2019-03-05 | 2019-12-13 | 中铁工程设计咨询集团有限公司 | Anti-rotation sleeve for railway fastener |
-
2019
- 2019-03-05 CN CN201910163854.4A patent/CN109811597A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0167106A2 (en) * | 1984-06-30 | 1986-01-08 | Udo Wirthwein | Hollow plug for railway construction |
| EP1116826A1 (en) * | 2000-01-10 | 2001-07-18 | ARS Industries | Anchoring dowel for fixation in a concrete body |
| CN101044286A (en) * | 2004-07-26 | 2007-09-26 | 环球工程固件有限公司 | Attachment of components to composite materials |
| CN2871614Y (en) * | 2006-03-09 | 2007-02-21 | 北京祥和锦辰科技发展有限公司 | Positioning double pipe with built-in threaded fastener |
| CN101575831A (en) * | 2008-05-10 | 2009-11-11 | 中铁二十一局集团有限公司 | Railway sleeper and preset fastening bolt sleeve used for same |
| CN103088721A (en) * | 2012-12-17 | 2013-05-08 | 宁波曙翔铁路设备制造有限公司 | High-strength resin matrix composite pre-cast casing pipe |
| US20170183828A1 (en) * | 2014-04-17 | 2017-06-29 | Ningbo Shuxiang New Material Co., Ltd. | Casing Tube and Manufacturing Method Thereof |
| CN209779348U (en) * | 2019-03-05 | 2019-12-13 | 中铁工程设计咨询集团有限公司 | Anti-rotation sleeve for railway fastener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720397A (en) * | 2020-05-22 | 2020-09-29 | 东莞市中机建科实业有限公司 | Shear-resistant and slippage-resistant connecting pair with adjustable mounting position and method |
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