CN106638171B - A kind of embedded tracks Damping fastening and preparation method thereof - Google Patents
A kind of embedded tracks Damping fastening and preparation method thereof Download PDFInfo
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- CN106638171B CN106638171B CN201611253693.0A CN201611253693A CN106638171B CN 106638171 B CN106638171 B CN 106638171B CN 201611253693 A CN201611253693 A CN 201611253693A CN 106638171 B CN106638171 B CN 106638171B
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- China
- Prior art keywords
- support rail
- rail plate
- board bottom
- bottom seat
- elastomeric element
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/44—Fastening the rail on the tie-plate
- E01B9/46—Fastening the rail on the tie-plate by clamps
- E01B9/48—Fastening the rail on the tie-plate by clamps by resilient steel clips
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
- Road Paving Structures (AREA)
Abstract
This application discloses a kind of embedded tracks Damping fastenings and preparation method thereof, belong to field of urban rail, which includes support rail plate, support rail board bottom seat and elastomeric element；The support rail plate base top is fixedly connected with elastomeric element, is provided with support rail plate at the top of the elastomeric element；The support rail plate, support rail board bottom seat and elastomeric element tie up formula structure integral structure by packet.Disclosed herein as well is the preparation methods of above-mentioned embedded tracks Damping fastening.This programme solves the problems, such as that existing Damping fastening lateral stiffness is low, improve Damping fastening lateral stiffness, it is anti-on pull out and improve the service life of track vibration-reducing fastener to guarantee traffic safety with the small ability of inclining.
Description
Technical field
The present invention relates to field of urban rail, and in particular to a kind of embedded tracks Damping fastening and its preparation side
Method.
Background technique
Rail traffic is increasingly becoming public main means of transport, inevitable while bringing efficiently mode of transportation
Ground brings the pollution problem of vibration noise.For many existing lines due to morning planning construction time, nearly rail living area is not yet
In groups, not high to the damping requirements of track, many locations have been generally used common fastener.The main function of common fastener is solid
Determine rail, while part alleviation vibrates influence by wheel-rail impact bring, therefore not high to rigidity requirement, generally 40~
80kN/mm, mounting height are relatively low, generally 42~46mm.
With the formation in nearly rail living area, long-term operation, the raising of speed and the increase for runing the frequency of train, rail hands over edge
The vibration noise of line disturbs residents problem as the hot spot paid close attention to instantly.Common fastener continues to use the need not being able to satisfy gradually instantly
It asks.Common method is to carry out upgrading with track vibration-reducing fastener both at home and abroad, even if but the minimum compression-type of height subtracts at present
The mounting height of vibration fastener will be higher by 50% or more than common fastener, and it is not quite identical to install interface, and is not suitable for me
State's track.If being transformed construction to the rail system structure of existing line but being difficult to carry out, simultaneously because Damping fastening
By the common restriction of two factors of effectiveness in vibration suppression and safety, performance is very limited, presently disclosed track vibration-reducing button
For the part output ratio of Q-switching to free running mostly 1.4 or more, effectiveness in vibration suppression can't be satisfactory.In addition the elastomeric element of track vibration-reducing fastener generally uses
Rubber material, elastomeric element are all simple ground cushion pressure type installation during installation, and there are larger between elastomeric element and other component
Gap, this can aggravate the aging and service life of elastomeric element, meanwhile, with rising year by year for global temperatures, rubber it is resistance to old
Change the service life that performance also affects fastener, therefore, urgent need is a kind of directly to replace, and superior performance simultaneously can be permanently effective
The track vibration-reducing fastener used.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is an object of that present invention to provide a kind of embedded tracks vibration damping buttons
Part and preparation method thereof.
According to an aspect of the invention, there is provided a kind of embedded tracks Damping fastening, the embedded tracks vibration damping button
Part includes support rail plate, support rail board bottom seat and elastomeric element；Support rail plate base top is fixedly connected with elastomeric element, elastomeric element
Top is provided with support rail plate；Support rail plate, support rail board bottom seat and elastomeric element are an integral structure, and such design is so that insertion
Formula track vibration-reducing fastener globality is strong, reduces the vibration between each member slots, effective vibration damping.
Support rail plate is the plate body structure of rectangle, and direction indent in the middle part of the angular support rail plate of two pairs of support rail plate forms unfilled corner knot
Structure；It is the rail support groove for placing rail in the middle part of the support rail plate, rail support groove two sides are respectively arranged with anchor structure.
Support rail board bottom seat is rectangular panel body structure；Support rail plate the middle of the base is provided with rectangular through-hole；Support rail board bottom seat two sides
Wall is each provided with barb eaves；Support rail board bottom seat diagonal angle is each provided with installation through-hole, the position of installation through-hole and lacking for support rail plate
Angle Position is corresponding.
Elastomeric element is fixedly connected by adhesive with support rail plate and support rail board bottom seat, support rail plate two sides be provided with to
Upper bending and convex edge corresponding with the barb eaves, the elastomeric element surface and the convex edge lateral wall and the support rail plate
Bottom surface bonding, the elastomeric element surface are also Nian Jie on the inside of the barb eaves and upper surface of support rail board bottom seat；The bullet
Property component bonding when avoid the installation through-hole and rectangular through-hole.Barb eaves forms the structure of a similar clamping with convex edge,
Cooperate elastomeric element, increases the stickiness of embedded tracks Damping fastening entirety.
According to another aspect of the present invention, the preparation method of above-mentioned embedded tracks Damping fastening is additionally provided, including
Following steps:
Step 1 makes support rail plate；
Step 2 makes support rail board bottom seat；
Support rail plate is placed on above support rail board bottom seat and there are vibration damping gaps by step 3；
Support rail board bottom face and support rail plate base top surface are applied adhesive in vibration damping gap by step 4；
Step 5 by gap described in rubber filling to step 4, and rubber and support rail plate and support rail board bottom seat is led to
It crosses under high-temperature and high-pressure conditions and is sulfided into an entirety.
In the step 1, the specific manufacturing process of support rail plate are as follows: formed, and cast by spheroidal graphite cast-iron direct pouring
When, setting support rail plate with a thickness of 15.5mm-16.5mm.
In the step 2, the manufacturing process of support rail board bottom seat are as follows: formed, and cast by spheroidal graphite cast-iron direct pouring
When, setting support rail board bottom seat with a thickness of 7.5mm-8.5mm.
In the step 3, the width in the gap is 13.5mm-14.5mm, so that being filled in the rubber in gap
With a thickness of 13.5mm-14.5mm.
Support rail plate and support rail board bottom seat are integrally put into and rubber support rail plate and support rail board bottom seat global shape phase
In corresponding mold, then rubber is injected into the cavity of mold by vulcanizing equipment, and guarantees rubber in high temperature and pressure
Under the conditions of carry out sulfidization molding.
The beneficial effects of the present invention are:
1. the preparation method of the exemplary embedded tracks Damping fastening of the present invention, the embedded tracks prepared by the method
Damping fastening efficiently solves the technology for using height, reducing the output ratio of Q-switching to free running, the antifatigue aging of enhancing for reducing track vibration-reducing fastener
Problem；
2. the exemplary embedded tracks Damping fastening of the present invention, elastomeric element, support rail plate and support rail board bottom seat use
Formula design is tied up by reasonable structure optimization using packet, solves the problems, such as that existing Damping fastening lateral stiffness is low, raising vibration damping
Fastener lateral stiffness, it is anti-on pull out and improve the service life of track vibration-reducing fastener to guarantee traffic safety with the small ability of inclining；
3. the elastomeric element of the exemplary embedded tracks Damping fastening of the present invention is rubber material, after specially treated
Rubber material mechanical performance is promoted, and when with support rail plate and the mutual cooperation of support rail board bottom seat, solves existing embedded rail together
The technical problem that road Damping fastening effectiveness in vibration suppression is poor and service life is short.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the exemplary embedded tracks Damping fastening structural schematic diagram of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the exemplary support rail plate structural schematic diagram of the present invention；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the exemplary support rail plate schematic diagram of base structure of the present invention；
Fig. 6 is the top view of Fig. 5.
In figure: 1. support rail plates, 2. rail support grooves, 3. elastomeric elements, 4. convex edges, 5. support rail board bottom seats, 6. barb eaves, 7. anchorings
Structure, 8. installation through-holes, 9. unfilled corners, 10. rectangular through-holes.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment 1
As shown in Fig. 1 to Fig. 6, a kind of embedded tracks Damping fastening of the present embodiment, the embedded tracks Damping fastening
Including support rail plate 1, support rail board bottom seat 5 and elastomeric element 3, wherein elastomeric element 3 is specially rubber；5 top of support rail board bottom seat
It is fixedly connected with elastomeric element 3, support rail plate 1 is provided at the top of elastomeric element 3；Support rail plate 1, support rail board bottom seat 5 and elastic portion
Part 3 ties up formula structure integral structure by packet, and such design is different from that traditionally one piece of rubber pad will be padded between component,
But elastomeric element 3 and support rail plate 1 and support rail board bottom seat 5 are sulfided into one by two layers of adhesive under high-temperature and high-pressure conditions
It is whole.
Support rail plate 1 is the plate body structure of rectangle, and one group of support rail plate 1 is formed and lacked to angular 1 middle part direction indent of support rail plate
9 structure of angle, wherein unfilled corner 9 is square along side shape；It is the rail support groove 2 for placing rail in the middle part of the support rail plate 1, holds
Track slot 2 is for disposing rail, and 2 two sides of rail support groove are respectively arranged with anchor structure 7, and anchor structure 7 is used to fix the spring of rail,
Anchor structure 7 and spring belong to routine techniques, and details are not described herein.
Support rail board bottom seat 5 is rectangular panel body structure；Rectangular through-hole 10, rectangular through-hole 10 are provided in the middle part of support rail board bottom seat 5
Specially big square hole, main function be rationally be arranged the embedded tracks Damping fastening vertical stiffness and laterally just
Degree；5 two sidewalls of support rail board bottom seat are each provided with barb eaves 6；The design of barb eaves 6 increases support rail board bottom seat 5 and elastomeric element 3
Contact area, and elastomeric element 3 is also effectively connected in barb eaves 6 by barb eaves 6, prevents falling off for elastomeric element 3,
5 diagonal angle of support rail board bottom seat is each provided with installation through-hole 8, and the position of installation through-hole 8 and 9 position of unfilled corner of support rail plate 1 are corresponding.
1 two sides of support rail plate, which are provided with, to be bent upwards and convex edge 4 corresponding with the barb eaves 6,3 surface of elastomeric element with
4 lateral wall of convex edge and 1 bottom surface of support rail plate bonding, 3 surface of elastomeric element also with 6 inside of the barb eaves and support rail
The upper surface of board bottom seat 5 is bonded；Elastomeric element 3 avoids the installation through-hole 8 and rectangular through-hole 10 in bonding.Barb eaves 6 with
Convex edge 4 forms the structure of a similar clamping, cooperates elastomeric element 3, increases the fitting of embedded tracks Damping fastening entirety
Property.
Embedded tracks Damping fastening mainly utilizes the compressive deformation of elastomeric element 3, obtains high resiliency and higher safety
Coefficient, is effectively reduced wheel and rail hits the vibration noise generated, meets the characteristic of Qiang Zeqiang, effective protection short-time overload situation
Under track dynamic track geometry, it is ensured that traffic safety.By the breakthrough of the mechanical and physical performance of 3 material of elastomeric element, realize
Damping fastening 38mm's is designed using height, is cooperated railway rail pad, the height of existing track structure can be effectively ensured, is not necessarily to
Construction is transformed to existing track structure, directly carries out insertion replacement, realizes the quick upgrading of existing line.By adopting
It is designed with the low output ratio of Q-switching to free running, ageing-resistant elastic material and reasonable structure type, so that the effectiveness in vibration suppression of Damping fastening and anti-ageing
Change performance to be substantially improved, ensure that the operation steady in a long-term of train.The height of connection size and auxiliary component and common fastener
It is unified, guarantee the consistency of route, convenient for the planning and designing, construction and maintenance of track circuit.
Experiment detection prove, vertical Static stiffness of the embedded tracks Damping fastening within the scope of service load be 15~
22kN/mm, lateral static stiffness are 6~9kN/mm, the output ratio of Q-switching to free running 1.12~1.25, in vertical load 40kN, transverse load 20kN
Under effect, after 3,000,000 fatigue tests, dynamic and static stiffness variation is less than 8%.By practical real train test, effectiveness in vibration suppression is greater than
10dB, by the real vehicle operation detection more than 9 months, train operating safety is reliable, and track structure is in stable condition, does not occur wave
Mill, the abnormal phenomenon such as utter long and high-pitched sounds.
A kind of preparation method of embedded tracks Damping fastening, step 1 make support rail plate；It is directly poured by spheroidal graphite cast-iron
Type casting moulding, and cast when, setting support rail plate with a thickness of 15.5mm.
Step 2 makes support rail board bottom seat；When forming, and casting by spheroidal graphite cast-iron direct pouring, support rail board bottom is set
Seat with a thickness of 7.5mm.
Support rail plate is placed on above support rail board bottom seat and there are vibration damping gaps by step 3；The width in the gap is
13.5mm, so that the rubber thickness being filled in gap is 13.5mm.
Support rail board bottom face and support rail plate base top surface are applied adhesive in vibration damping gap by step 4；
Step 5: by gap described in rubber filling to step 4, one and rubber support rail plate and support rail are then taken
The corresponding mold of board bottom seat global shape；Then the mold is warmed to 145 ± 5 DEG C；Then mold is opened, by mould cavity,
Removing surface is clean；Then rubber support rail plate and support rail board bottom seat are integrally put into mold, in the work of mold own form
Under, mould cavity is provided in mold；Further, by mold be put into the vulcanizing equipment with high-temperature and high-pressure conditions and
Rubber is injected in mould cavity, under mold shape effect, rubber can be entered in the gap of support rail plate and support rail board bottom seat；?
In vulcanizing equipment, vulcanizing equipment to rubber, support rail plate and support rail board bottom seat integrally carry out automatic die assembly, shooting, exhaust and
Molding vulcanization.Finally, taking out molding embedded tracks Damping fastening after the completion of vulcanization.
Rubber becomes qualified rubber after vulcanization.The rubber phase promotes traditional rubber physical mechanical property, cooperation
Above-mentioned support rail plate and support rail board bottom seat efficiently solve the existing track vibration-reducing fastener output ratio of Q-switching to free running is big, effectiveness in vibration suppression is poor, use
Service life short technical problem.
Mechanical and physical performance target test, index request and the following institute of test method are carried out to rubber through the above steps
Show:
Embodiment 2
The present embodiment feature same as Example 1 repeats no more, and the present embodiment is different from embodiment 1 to be characterized in that:
Support rail plate with a thickness of 16mm, set support rail board bottom seat with a thickness of 8mm, the width in gap is 14mm, so that being filled in
Rubber thickness in gap is 14mm.
Embodiment 3
The present embodiment feature same as Example 1 repeats no more, and the present embodiment is different from embodiment 1 to be characterized in that:
Support rail plate with a thickness of 16.5mm, set support rail board bottom seat with a thickness of 8.5mm, the width in gap is 14.5mm so that
The rubber thickness being filled in gap is 14.5mm.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (5)
1. a kind of embedded tracks Damping fastening, characterized in that the embedded tracks Damping fastening includes support rail plate, support rail board bottom
Seat and elastomeric element；The support rail plate base top is fixedly connected with elastomeric element, is provided with and holds at the top of the elastomeric element
Rail plate；The support rail plate, support rail board bottom seat and elastomeric element are an integral structure；
The support rail plate is the plate body structure of rectangle, and one group of diagonal position of the support rail plate is unfilled corner structure；The support rail plate
Middle part is the rail support groove for placing rail, and the rail support groove two sides are respectively arranged with anchor structure；
The support rail board bottom seat is rectangular panel body structure；The support rail plate base bilateral wall is each provided with barb eaves；The support rail
One group of diagonal angle of board bottom seat is each provided with installation through-hole, the position of the installation through-hole and the unfilled corner structure of the support rail plate
Position is corresponding；
Support rail plate two sides, which are provided with, to be bent upwards and convex edge corresponding with the barb eaves, the elastomeric element surface with
The convex edge lateral wall and support rail board bottom face bonding, the elastomeric element surface is also and on the inside of the barb eaves and support rail
The upper surface of board bottom seat is bonded；
The support rail plate the middle of the base is provided with rectangular through-hole, and the elastomeric element avoids the installation through-hole and square in bonding
Shape through-hole.
2. a kind of preparation method of embedded tracks Damping fastening as described in claim 1, characterized in that including following step
It is rapid:
Step 1 makes support rail plate；
Step 2 makes support rail board bottom seat；
Support rail plate is placed on above support rail board bottom seat and there are vibration damping gaps by step 3；
Support rail board bottom face and support rail plate base top surface are applied adhesive in the vibration damping gap by step 4；
Step 5 passes through height by gap described in rubber filling to step 4, and by rubber and support rail plate and support rail board bottom seat
An entirety is sulfided under warm condition of high voltage；
In the step five, the detailed process of vulcanization are as follows: be integrally put into support rail plate and support rail board bottom seat and the rubber
In glue, support rail plate and the corresponding mold of support rail board bottom seat global shape, rubber is then injected by mould by vulcanizing equipment
In the cavity of tool, and guarantee that rubber carries out sulfidization molding under conditions of high temperature and pressure.
3. the preparation method of embedded tracks Damping fastening according to claim 2, characterized in that in the step 1,
Make the concrete operation method of support rail plate are as follows: when forming, and casting by spheroidal graphite cast-iron direct pouring, set the thickness of support rail plate
For 15.5mm-16.5mm.
4. the preparation method of embedded tracks Damping fastening according to claim 2, characterized in that in the step 2,
Make the concrete operation method of support rail board bottom seat are as follows: when forming, and casting by spheroidal graphite cast-iron direct pouring, set support rail board bottom
Seat with a thickness of 7.5mm-8.5mm.
5. the preparation method of embedded tracks Damping fastening according to claim 2, characterized in that in the step 3,
The width in the vibration damping gap is 13.5mm-14.5mm, so that the sizing material being filled in gap is with a thickness of 13.5mm-
14.5mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253693.0A CN106638171B (en) | 2016-12-30 | 2016-12-30 | A kind of embedded tracks Damping fastening and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253693.0A CN106638171B (en) | 2016-12-30 | 2016-12-30 | A kind of embedded tracks Damping fastening and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106638171A CN106638171A (en) | 2017-05-10 |
| CN106638171B true CN106638171B (en) | 2019-05-24 |
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| CN201611253693.0A Active CN106638171B (en) | 2016-12-30 | 2016-12-30 | A kind of embedded tracks Damping fastening and preparation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537375B (en) * | 2018-12-03 | 2021-04-16 | 株洲时代新材料科技股份有限公司 | Rail vibration absorber with built-in bottom plate and design method thereof |
| CN109868697B (en) * | 2019-02-21 | 2021-01-22 | 株洲时代新材料科技股份有限公司 | Compression track shock absorber and design method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270560A (en) * | 2007-03-21 | 2008-09-24 | 上海申通轨道交通研究咨询有限公司 | Plate-type vibration reducing rail buckle |
| CN201865006U (en) * | 2010-08-13 | 2011-06-15 | 株洲时代新材料科技股份有限公司 | Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW459085B (en) * | 1996-12-21 | 2001-10-11 | Contitech Transportbandsysteme | Seat for a track rail |
| US6986470B2 (en) * | 2002-10-23 | 2006-01-17 | Advanced Track Products, Llc | Rail mount |
| WO2005108675A1 (en) * | 2004-05-12 | 2005-11-17 | Delkor Rail Pty. Ltd. | Unitary fastening assembly |
| CN203755097U (en) * | 2014-02-28 | 2014-08-06 | 西南交通大学 | Underground vibration damping rail fastener |
-
2016
- 2016-12-30 CN CN201611253693.0A patent/CN106638171B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270560A (en) * | 2007-03-21 | 2008-09-24 | 上海申通轨道交通研究咨询有限公司 | Plate-type vibration reducing rail buckle |
| CN201865006U (en) * | 2010-08-13 | 2011-06-15 | 株洲时代新材料科技股份有限公司 | Vulcanized shearing type rail vibration absorber with small height and short mounting hole distance |
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| CN106638171A (en) | 2017-05-10 |
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