CN207227873U - The insulating pad with bulge-structure for track traffic fastener - Google Patents
The insulating pad with bulge-structure for track traffic fastener Download PDFInfo
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- CN207227873U CN207227873U CN201721106875.5U CN201721106875U CN207227873U CN 207227873 U CN207227873 U CN 207227873U CN 201721106875 U CN201721106875 U CN 201721106875U CN 207227873 U CN207227873 U CN 207227873U
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- bulge
- insulating pad
- track
- elastic insert
- bottom plate
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Abstract
The utility model discloses a kind of insulating pad with bulge-structure for track traffic fastener, including insulating pad bottom plate, two installation through-holes are offered thereon, its line of centres is less than 90 ° with track running direction angle, the insulating pad bottom plate is offering the bulge-structure that is in the form of a column at each installation through-hole, bulge-structure is used for having the elastic insert of perforate to be socketed in relevant position, bulge-structure is provided with axial central through hole along track vertical direction and is penetrated through with the installation through-hole on insulating pad, it is connected after passing through two through hole for fastener with matrix.The insulating pad of the utility model passes through the Optimal improvements to existing insulating pad structure, it can overcome the issuable elastic insert of horizontal interaction force held between the upper strata iron chair in fastener, elastic insert and insulated buffer plate even upper strata iron chair that sidesway occurs on insulated buffer plate, so as to avoid fastener system issuable unfavorable upset of rail under wheel track transverse direction interaction force.
Description
Technical field
The utility model belongs to the fastener technology field in track traffic, and in particular to a kind of for track traffic fastener
Insulating pad with bulge-structure.
Background technology
Fastener is to be used to fix the device of rail in track traffic, is the important component of track structure, its effect
It is that rail and sub-rail foundation are connected into an entirety, the power suffered by rail is passed into sub-rail foundation, and keep rail
Correct position, prevents rail from producing vertically and horizontally displacement, while provides certain track elasticity, plays the effect of vibration and noise reducing.
It is domestic at present in the common urban track traffic, it is common to use double-layer vibration damping fastener is laid with vibration and noise reducing section.
Such as a kind of typical double-deck nonlinear vibration reduction fastener in the prior art, its agent structure should by upper iron chair, intermediate rubber pad, under
The component compositions such as iron chair, bottom plate insulation connector sleeve and positioning roll adjustment cover board, iron chair connect with intermediate rubber pad and bottom plate insulation
Female connector prepackage be integrated, can disassembly and assembly repeatedly, be damaged part replacement easy to circuit subsequent product.This double-layer vibration damping button
The pre-tightening mechanism of part is arranged on fastener top, in-site installation as it can be seen that and fastener itself pretightning force scene can quickly adjust, avoid line
There is gap problem in fastener during the use of road, but its existing major defect is to employ double-deck iron backing structure, using into
This height, and independent locking mechanism is needed between two layers of iron chair, not easy to remove, it is difficult that cushion layer is replaced in maintenance.
To overcome drawbacks described above, a kind of double-layer vibration damping fastener is disclosed in 105544318 A of patent document CN, it includes
Insulated buffer plate, elastic insert, upper strata iron chair, Insulation rail distance keeper etc., the fastener in the program employ no lower floor's iron pad
Harden structure, its without specific purpose tool can hand disassembly, maintenance replace elastic insert it is simple, easy to maintenance；Iron connecting rod
Use so that two anchor bolts stress at the same time, optimize the working status of anchor bolt, improve the security of fastener, at the same time
It is simple in structure, it is of low cost.
But due to fastener rail vehicle operation in can bear track cross force so that except T-bolt therein or by
To outside very big cross shear, can also make to bear between upper strata iron chair, elastic insert, iron connecting rod and insulated buffer plate
Very big interaction force, if the frictional force between them is not enough to overcome horizontal interaction force, will cause elasticity
Sidesway occurs on insulated buffer plate for bed course even upper strata iron chair, and the stress of fastener system changes, and influences rail
Road structure security and stability.Although by being provided with iron connecting rod in elastic insert in above-mentioned technical proposal, the iron connecting rod is utilized
A part of cross force can be buffered, still, on the one hand since elastic insert is to house the iron connecting rod to need to open up corresponding perforation
Groove so that the contact area between elastic insert and iron chair and insulating pad is greatly reduced, can further reduce three it
Between friction contact load so that can also cause fastener still suffer from wherein each layer interaction force it is relatively low the problem of；On the other hand,
This iron connecting rod connection mode needs additionally to increase new component, causes its of high cost, and exists and coordinate matching problem.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of for track traffic fastener
Insulating pad with bulge-structure, it is improved by the structure of optimization, can not only overcome upper strata iron chair, elastic insert with
And the issuable elastic insert of horizontal interaction force held between insulated buffer plate even upper strata iron chair is slow in insulation
The problem of rushing and sidesway occur on backing plate, causing to topple, and special linkage component is that eliminated, it is more advantageous to device
Reliability and security and assembly difficulty is low, cost is low.
To achieve the above object, according to the utility model, there is provided a kind of that there is bulge-structure for track traffic fastener
Insulating pad, it includes insulating pad bottom plate, and at least two installation through-holes are offered on the insulating base bottom plate, its center connect
Line is less than 90 ° with track running direction angle, which is offering what is be in the form of a column at each installation through-hole
Bulge-structure, the bulge-structure are used for having the elastic insert of perforate to be socketed in relevant position, and the bulge-structure is along track
Vertical direction is provided with axial central through hole and is penetrated through with the installation through-hole on insulating pad, after passing through two through hole for fastener
It is connected with matrix.
As further improvement of the utility model, the line of centres and track running direction angle are 30 ° -60 °.
As further improvement of the utility model, the bulge-structure is four or other even numbers, centrosymmetric
The corresponding two bulge-structure lines of centres are respectively less than 90 ° with track running direction angle.
As further improvement of the utility model, the cross section of the bulge-structure is circular, square or oval.
As further improvement of the utility model, the bulge-structure and insulating pad baseboard material are identical or different,
Both are integrally formed or split is fastenedly connected.
As further improvement of the utility model, along between track horizontal direction on the upper surface of the insulating pad bottom plate
Every being provided with two wing plates, the insulating pad plate upper surface between two wing plates is used to set the elastic insert.
As further improvement of the utility model, the spacing and elastic insert in the in-orbit road transverse direction of two wing plates are horizontal in track
Upward is of same size.
As further improvement of the utility model, the wing plate of above-mentioned both sides is with the material identical of insulating pad bottom plate or not
Together, both are integrally formed or split connection is fixed.
As further improvement of the utility model, the height of two wing plates is slightly below the thickness of elastic insert, is transported in track
The length of line direction is not less than the length of elastic insert.
As further improvement of the utility model, the overall structure that two wing plates are formed with insulating pad bottom plate is in cross section
It is upper U-shaped.
In general, by the contemplated above technical scheme of the utility model compared with prior art, have with following
Beneficial effect：
(1) structure improvement is carried out by the insulating pad in existing fastener system in the utility model, on it surface
The upper default bulge-structure being in the form of a column, elastic insert are socketed on insulating base by the bulge-structure, this structure type
Fastener structures height can substantially reduce, while reduce the fluting area on elastic insert, increase elastic insert and iron above
Contact area between backing plate and following insulating pad, increases cushion effect, particularly its stress harmony on lateral
It is very good, it can effectively prevent safety problem caused by the fastener discontinuity of track side；
(2) in the utility model, wing plate is set along the both sides of track horizontal direction in insulating pad, elastic insert is arranged on
On bottom plate between two wing plates, so as to prevent the sidesway of elastic insert, upper strata iron chair on insulated buffer plate, prevent
The sidesway of fastener topples, and ensures that track is safe for operation；And it can wherein be caused in elastic insert by controlling wing plate height
Iron chair can be contacted when receiving excessive lateral pressure by wing plate to carry, so as to ensure safety of the insulating pad on vertical
Carrying；
(3) insulating pad of the utility model using above-mentioned bulge-structure and combines wing plates on two sides, can overcome upper strata iron
The issuable elastic insert of horizontal interaction force held between backing plate, elastic insert and insulated buffer plate even upper strata
Sidesway occurs on insulated buffer plate for iron chair, thus solve current fastener it is that may be present it is horizontal, vertical caused by topple
Etc. safety problem, and the fastener of this structure type is highly small, stress coordination is more preferable, its cost of reduction linkage component is lower.
Brief description of the drawings
Fig. 1 is the structure diagram according to the insulating pad of the utility model one embodiment；
Fig. 2 is the structure diagram according to the insulating pad of the utility model another embodiment；
Fig. 3 is the fastener system structure diagram for including the insulating pad in Fig. 1；
In all of the figs, identical reference numeral is used for representing identical element or structure, wherein：10- insulating pads,
11- insulating pads bottom plate, 12- bulge-structures, 13- wing plates, 20- elastic inserts, 30- iron chairs, 40- fasteners, 50 insulation are slow
Punching set, 60- springs.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
As long as in addition, technical characteristic involved in each embodiment of the utility model disclosed below each other it
Between do not form conflict and can be mutually combined.
Fig. 1 is the structure diagram according to the insulating pad constructed by the utility model one embodiment.As shown in Fig. 1,
A kind of insulating pad 10 with bulge-structure for track traffic fastener of the present embodiment, including insulating pad bottom plate 11,
11 bottom plate lower part of insulating pad bottom plate be used for be connected with matrix, on insulating pad bottom plate 11 for stack successively elastic insert 20,
Iron chair 30, and and then it is fixed after being run through by fastener, utilizing the elastic strip locking on iron chair 30.
As shown in Figure 1, such as two installation through-holes are offered on insulating pad bottom plate 11, at each installation through-hole
Offer the bulge-structure being in the form of a column, i.e., in insulating pad bottom plate 11 for being provided with the upper surface that is contacted with elastic insert
Structure protruding upward, it is raised perpendicular to upper surface, and the through hole (vertical direction) in axial direction is offered inside bulge-structure 12,
Preferably circular through hole, for fastener through connection.Through hole on insulating pad bottom plate 11 and the circle on bulge-structure 12
Shape through hole is corresponded to and communicated, in order to which fastener runs through, for being connected fixation with the matrix below insulating pad.
Bulge-structure 12 is used for having the elastic insert 20 of perforate to be socketed in relevant position, i.e., phase on elastic insert 20
Answer position be also provided with the matched through hole of bulge-structure contours profiles, when it is placed on insulating pad bottom plate 11, pass through the through hole
It is sleeved on bulge-structure 12 and then is arranged on insulating pad 10.
It can be circular, oval, kidney ellipsoid or improved circle on column structure, such as cross section that bulge-structure 12, which is,
Shape structure or hexagon, octagon or other square structures, can also be other suitable shape and structures.Protrusion knot
The height of structure 12 can be set according to the actual requirements, and preferably upper end is no more than iron chair upper surface.
The quantity of bulge-structure 12 is matched with the number of openings on backing plate, preferably two, is preferably centrosymmetrically arranged,
Usually it is divided on bottom plate and is located at rail both sides, is used for fixed perforate on insulating pad to match.Two bulge-structures
The line of centres do not hang down with orbital direction it is perpendicular and parallel, preferably both be in be less than 90 °, such as can be 30 °, 45 °, 60 ° or other
Between angle, such as 30 ° -60 °.The quantity of certain bulge-structure can also be determined specifically according to the actual requirements.Certainly, it is convex
Play structure (insulating pad bottom plate installation through-hole) quantity and be not limited to two or other even numbers, and correspond to two one by one
Central symmetry, set up separately with rail both sides, and the corresponding two bulge-structure lines of centres do not hang down with orbital direction it is perpendicular and parallel, preferably
Both are in be less than 90 °, such as can be 30 °, 45 °, 60 ° or other angles, preferably between such as 30 ° -60 °.
Bulge-structure 12 can be identical with insulating pad bottom plate material, preferably be integrally formed or unlike material
Form, such as bulge-structure can be cast iron or other metal materials, with the intensity with higher.It is excellent if unlike material
Choosing is fitted by being interference fitted with backing plate through hole, such as through hole is arranged to stepped hole, and lower part aperture is more than top aperture, raised
Structure 12 is passed through with through hole to coordinate afterwards from bottom and installed.
In a preferred embodiment, two wing plates 13 are provided with the upper surface of insulating pad bottom plate 11.As Fig. 1-3 institute
Show, two wing plates 13 are disposed on along track horizontal direction on the upper surface of insulating pad bottom plate 11, it is preferable that the wing plate of both sides
13 are integrally formed with insulating pad bottom plate 11, and the overall structure that two wing plates 13 are formed with insulating pad bottom plate 11 is on cross section
It is U-shaped.Certain wing plate 12 can also separate shaping with insulating pad bottom plate 11.
Elastic insert 20 is arranged on 11 upper surface of insulating pad bottom plate between two wing plates 13, and elastic insert 20 is as two
Between wing plate 13, it is preferable that width phase of spacing of two wing plates 13 in track transverse direction with elastic insert 20 in track transverse direction
Together, in this way, elastic insert 20 can match is disposed therein so that when being subjected to the effect of power of cross side can by this two
Side wing 13 is stopped.
In a preferred embodiment, the height of two wing plates 13 is slightly below the thickness of elastic insert 20, can cause above
Iron chair 30 can normally assemble, the height of certain two wing plate 13 can also be equal to the thickness of elastic insert 20.
On the direction of track operation, two wing plates 13 are not less than the length of elastic insert 20 in the length of the direction, preferably
It is that 13 length of wing plate is identical with the length of elastic insert 20.
The wing plate 13 of both sides and the material identical or difference of insulating pad bottom plate 11, both are integrally formed or split connection is solid
It is fixed.Preferably, insulating pad material can be organic material, for insulation.
Fig. 3 is the fastener structures schematic diagram according to the insulating pad for having the present embodiment.As shown in Fig. 2, the fastener includes this
The insulating pad of embodiment, the elastic insert 20 being arranged on the bottom plate 11 of insulating pad, elastic insert 20 are sleeved on insulating pad
On the bulge-structure 12 that bottom plate 11 protrudes above, and it is arranged on iron chair 30 on elastic insert 20 etc..When fastener 40 to
Under through after the through hole on buffer insulation set 50, the through hole on iron chair, bulge-structure 12 and bed piece 11, screw in solid
When being scheduled in the nylon sleeve on pedestal, elastic insert 20 and upper strata iron chair 30 are fixed by bulge-structure 12 and insulation gland.
The top of T-bolt 40 is cased with nut, and spring 60 is caught in T-bolt and is positioned by nut, T-bolt be located at nut and spring 60 it
Between plain washer is set, the rail placed in the rail support groove of iron chair 30 is fixed with spring 60 and Insulation rail distance keeper, rail and iron
Rubber tie plate under rail is set between backing plate 30.
Insulating pad 10 in the utility model carries out structure of modification to the insulating pad of current fastener system, on it
At least two bulge-structures 12 are set on surface, at the same can the both sides along track horizontal direction on surface on it wing plate is set
13, elastic insert is arranged on the bottom plate 11 between two wing plates, so as to prevent elastic insert 20, upper strata iron chair 30 exhausted
Sidesway on edge buffer plate, prevents the sidesway of fastener or topples, at the same on vertical ensure from excessive pressure, and its by
Power harmony is good, and cross force suffered by each fastener is uniform, can be safe for operation with effective guarantee track.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification for being made where within the spirit and principles of the present invention, equivalent substitution and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of insulating pad with bulge-structure for track traffic fastener, it is characterised in that including insulating pad bottom
Plate, offers at least two installation through-holes on the insulating base bottom plate, its line of centres is less than with track running direction angle
90 °, which is offering the bulge-structure that is in the form of a column at each installation through-hole, the bulge-structure be used for
The elastic insert in relevant position with perforate is socketed, and the bulge-structure is provided with axial central through hole simultaneously along track vertical direction
Penetrate through with the installation through-hole on insulating pad, be connected after passing through two through hole for fastener with matrix.
2. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 1, wherein, institute
It is 30 ° -60 ° that the line of centres, which is stated, with track running direction angle.
3. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 1 or 2, its
In, the bulge-structure for four or or the even number more than four, the centrosymmetric two bulge-structure line of centres of correspondence with
Track running direction angle is respectively less than 90 °.
4. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 1 or 2, its
In, the cross section of the bulge-structure is circular, square or oval.
5. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 1 or 2, its
In, the bulge-structure and insulating pad baseboard material are identical or different, both are integrally formed or split is fastenedly connected.
6. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 1 or 2, its
In, two wing plates are arranged at intervals with along track horizontal direction, the insulation between two wing plates on the upper surface of the insulating pad bottom plate
Bed piece upper surface is used to set the elastic insert.
7. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 6, wherein, two
Spacing of the wing plate in track transverse direction being of same size in track transverse direction with elastic insert.
8. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 6, wherein, on
The wing plate of both sides and the material identical or difference of insulating pad bottom plate are stated, both are integrally formed or split connection is fixed.
9. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 6, wherein, two
The height of wing plate is slightly below the thickness of elastic insert, is not less than the length of elastic insert in the length of track running direction.
10. a kind of insulating pad with bulge-structure for track traffic fastener according to claim 6, wherein,
The overall structure that two wing plates and insulating pad bottom plate are formed is U-shaped on cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106875.5U CN207227873U (en) | 2017-08-31 | 2017-08-31 | The insulating pad with bulge-structure for track traffic fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106875.5U CN207227873U (en) | 2017-08-31 | 2017-08-31 | The insulating pad with bulge-structure for track traffic fastener |
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| Publication Number | Publication Date |
|---|---|
| CN207227873U true CN207227873U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721106875.5U Active CN207227873U (en) | 2017-08-31 | 2017-08-31 | The insulating pad with bulge-structure for track traffic fastener |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235163A (en) * | 2018-11-06 | 2019-01-18 | 安徽神剑科技股份有限公司 | A kind of non-model control type bilayer nonlinear vibration reduction fastener |
| CN110396879A (en) * | 2019-08-13 | 2019-11-01 | 长沙瀚鹏电子技术有限公司 | A kind of insulated buffer plate is more changed trains |
-
2017
- 2017-08-31 CN CN201721106875.5U patent/CN207227873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235163A (en) * | 2018-11-06 | 2019-01-18 | 安徽神剑科技股份有限公司 | A kind of non-model control type bilayer nonlinear vibration reduction fastener |
| CN110396879A (en) * | 2019-08-13 | 2019-11-01 | 长沙瀚鹏电子技术有限公司 | A kind of insulated buffer plate is more changed trains |
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