CN107761482A - A kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines - Google Patents
A kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines Download PDFInfo
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- CN107761482A CN107761482A CN201711076439.2A CN201711076439A CN107761482A CN 107761482 A CN107761482 A CN 107761482A CN 201711076439 A CN201711076439 A CN 201711076439A CN 107761482 A CN107761482 A CN 107761482A
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- chute
- iron chair
- boss
- elastic
- floating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines,Including rail,Sleeper,Plate lower bolster,Base iron chair,Vibration isolator,Floating iron chair and railway rail pad,The middle side part of base iron chair two has boss,The middle side part of floating iron chair two has the chute being adapted with boss,The floating iron chair is sheathed on by its chute on the boss of base iron chair,And elastic wear-resisting set is nested between the boss and chute,Elastic wear-resisting set is fixedly connected with boss,It is in close contact between the elastic wear-resisting set and chute for nature,Wherein boss,Combination between chute and elastic wear-resisting set three makes upper and lower iron chair form elastic chute-type matching relationship therebetween,This matching relationship make it that floating iron chair only allows up-down vibration when train passes through,And length travel,Lateral displacement and upset displacement are all strictly controlled at the scope of a very little,Can fully guarantee driving safety and fastener structures security.
Description
Technical field
The present invention relates to urban track traffic Damping fastening field, and in particular to a kind of suitable for railcar phase library interior lines
Elastic chute-type Damping fastening.
Background technology
When metro depot covers progress Estate Development, for the vibration pollution caused by train operation and indoor secondary knot
Structure noise problem, available solution include building itself vibration isolation measure, use Damping fastening measure in orbit, and
In orbit using railway roadbed class vibration isolation measure including floating plate and the long sleeper of elasticity etc., etc..
When covering carry out Estate Development having put into the rolling stock section that actually runs, and storehouse interior lines use no vibration isolation capability
Common fastener when, according to building itself vibration isolating method, high expense will be related to.According to railway roadbed class vibration isolation measure,
Not only expense is not low, and is related to track foundation transformation, the normal operation of meeting severe interference rolling stock section.At this moment vibration isolation is gone using fastener
Approach just turn into optimal selection, it is not only low-cost, is easy to maintenance, and can not influence the daily fortune of rolling stock section
Battalion is lower can to complete Vibration Treatment task by simply changeing original fastener.
When removing to replace existing common fastener in storehouse with Damping fastening, it is desirable to directly using original sleeper and thereon
Spiral channel nail is installed, and rail height will remain the same after installation.This just drastically increases the design of Damping fastening
Difficulty, because the sleeper in vehicle phase library interior lines is all especially small, and the height of the rail flange of rail and sleeper surface therebetween is also special
It is not low.
When the design space of Damping fastening is limited in such a narrow and small physical dimension, driving peace should be ensured
Quan Xing, it is again sizable with larger vibration isolation capability, its design difficulty.Unlike main track fastener can be done greatly according to needs
Do height.Although this is also that lid Estate Development is after the several years in China, Damping fastening is still extremely rarely seen so far in ripe storehouse
The main reason for.To at present by.
The Chinese patent of Publication No. (106930160A), disclose a kind of rail suitable for railcar phase library interior lines and subtract
Shake fastener, a whole set of fastener system that it is formed based on conventional double-deck iron chair design concept and twin-feed spiral railway spike mounting means
System clever structure, can directly replace original common fastener in storehouse, and have larger vibration isolation capability.The patent also using spring,
The design of track gauge block etc., spring and track gauge block are the important components of conventional fastener, and the effect of spring includes：Rail is fixed
On fastener；Certain elasticity is provided to rail, prevents that hard impact occurs between wheel track；Under larger elastic-strip pressure, lead to
Crossing stiction prevents rail from longitudinally creeping；Prevent rail turnover etc..The effect of track gauge block includes：Electrical insulating property；Adjust rail
Away from；Load transmission etc..But spring and track gauge block application cost are higher, especially, when spring size and mechanical property are special, category
When special spring, its cost is higher.
Metro depot is Subway Stop storehouse and maintenance station.Train can give rail band in continually startup and brake process
Carry out no small longitudinal frictional force, thus longitudinal loading is an important load composition of fastener in storehouse.Therefore, the vibration damping button in storehouse
The bearing capacity and anti-fatigue ability of enhancing longitudinal loading are needed in part structure design.In Publication No. (106930160A) China
In patent bilayer iron chair design concept, anti-upset ability of the upper strata iron chair under wheel-rail lateral force effect how is improved always
It is that this design concept needs key problems-solving.Under Lateral Force, the upset of upper strata backing plate can cause rail to be followed
The one piece of upset of layer iron chair, and then increase the lateral displacement amount of rail head.The lateral displacement amount of rail head is the index strictly to control,
It is one of main hidden danger of train derailing.It is typically all to be supported by the column nearer apart from track to cover building
, the column for bearing very big vertical load, give column one lateral impact forces if train derails, column is easy to unstability
And jeopardize the safety of building.Therefore, need to focus on the anti-upset of upper strata iron chair in Damping fastening structure design in storehouse
Ability.
The content of the invention
The present invention solves the deficiencies in the prior art, there is provided a kind of elastic chute-type suitable for railcar phase library interior lines subtracts
Shake fastener, and the Damping fastening is not only compact-sized, and bulk is small, and it is existing common can directly to replace metro depot storehouse interior lines
Fastener, and vibration isolation capability is high, and longitudinal load-bearing ability is strong, and the anti-upset ability of the floating iron chair in upper strata is high, and manufacturing cost is low.
The technical solution adopted in the present invention is：A kind of elastic chute-type vibration damping button suitable for railcar phase library interior lines
Part, including rail, sleeper and set up successively plate lower bolster between rail and sleeper, base iron chair, vibration isolator,
Floating iron chair and railway rail pad, the middle side part of base iron chair two have boss, the floating middle side part of iron chair two tool
There is the chute being adapted with boss, the floating iron chair is sheathed on by its chute on the boss of base iron chair, and described
Elastic wear-resisting set is nested between boss and chute, the elastic wear-resisting set is fixedly connected with boss, and the elastic wear-resisting set is with sliding
It is in close contact between groove for nature.
Preferably, the rail is withheld on floating iron chair by the buckle that insulate.
It is further preferred that the boss is rectangular-shaped with chute.
Still more preferably, the chute internal face is rubbing surface, and fillet has been led in its port.
Compared to prior art, the device have the advantages that：
1st, the combination between the rectangular boss of base iron chair, the rectangle chute of floating iron chair and elastic wear-resisting set three
Make to form elastic chute-type matching relationship between base iron chair and floating iron chair, this matching relationship causes train to pass through
When floating iron chair only allow up-down vibration, and length travel, lateral displacement and upset displacement are all strictly controlled at one very
Small scope, can fully guarantee driving safety and fastener structures security.
2nd, existing spring and track gauge block are substituted using insulating fastener, has greatly saved cost.
3rd, boss and chute are rectangular-shaped that the i.e. chute of the boss of base iron chair and floating iron chair is same therebetween
When have 4 contact surfaces, and coordinate resist turning torque of the wheel-rail lateral force to floating iron chair jointly two-by-two, eliminate train and take off
The potential safety hazard of rail.
4th, conventional double-deck iron chair design concept and twin-feed spiral railway spike mounting means are reasonably used, and are filled
Their own design feature and design advantage have been waved in distribution.
5th, overall construction design is compact, compact, can directly replace the existing compact common fastener in storehouse interior lines.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is decomposition texture schematic diagram of the present invention；
Fig. 3 is base iron chair structural representation of the present invention；
Fig. 4 is the floating iron chair structural representation of the present invention；
Fig. 5 is the floating iron chair of the present invention and base iron chair confined state decomposing schematic representation.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines, refering to Fig. 1, while Fig. 2 is referred to, including
Conventional rail 1 and sleeper 2, in addition to base iron chair 3, plate lower bolster 4, vibration isolator 5, floating iron chair 6, elastic wear-resisting set
7th, railway rail pad 8, insulation buckle 9 and twin-feed spiral railway spike 10, its center base iron chair 3 are arranged on sleeper 2, base iron chair
3 central parts have cavity 31, and its two middle side part has boss 32；Plate lower bolster 4, it is clamped in sleeper 2 and base iron chair 3
Between；Vibration isolator 5, be adapted with the cavity of base iron chair 3, the vibration isolator 5 is embedded in the cavity 31, and its upper end from this
Stretched out in cavity 31；I.e. the thickness of vibration isolator 5 is more than the height of the cavity, and floating iron chair 6, its two middle side part has and boss
32 chutes 61 being adapted, floating iron chair 6 is sheathed on the boss 32 of base iron chair 3 by its chute 61, and floating iron
The bottom of backing plate 6 offsets with the upper surface of vibration isolator 5.Elastic wear-resisting set 7, is nested between boss 32 and chute 61；Base iron chair 1
The chute 61 of boss 32, floating iron chair 6, and elastic wear-resisting cover 7 threes between combination, make base iron chair 1 with it is floating
Iron chair 6 forms elastic chute-type matching relationship, and this matching relationship make it that floating iron chair only allows when train passes through
Lower vibration, and length travel, lateral displacement and upset displacement are all strictly controlled at the scope of a very little, can fully ensure row
Car security and fastener structures security, railway rail pad 8, the bottom of rail 1 is arranged at, utilizes the buckle 9 that insulate, T-bolt 15, spiral shell
Rail 1 and railway rail pad 8 are pressed on floating iron chair by mother 17 and spring 16, this fixed form, compared to existing bullet
Bar and track gauge block, the cost greatly saved, and T-bolt 15 are mounted on floating iron chair 6；The He of base iron chair 3
Plate lower bolster 4 is fastened on sleeper 2 by twin-feed spiral railway spike 10, and utilizes stop nut 14 and pre-compressed spring 13 by floating iron
Backing plate 6 is pressed on vibration isolator.
In order to resist turning torque of the wheel-rail lateral force to floating iron chair jointly, the safety for eliminating train derailing is hidden
Suffer from.In the present embodiment, the chute 61 of boss more than 32 is preferred rectangular-shaped, i.e. the cunning of the boss of base iron chair and floating iron chair
Groove has 4 contact surfaces simultaneously therebetween, and coordinates resist turning torque of the wheel-rail lateral force to floating iron chair jointly two-by-two,
Eliminate the potential safety hazard of train derailing.
In order to further strengthen the realization of elastic chute-type mating connection mode between base iron chair 3 and floating iron chair 6,
With the boss 32 of base iron chair 3, to be fixedly connected, relative displacement, specific implementation side do not occur between each other for elastic wear-resisting set 7
Formula is a lot, such as the fit system of more than 7 boss of slip wear-resistant sleeve 32 can be：Nail combination, groove and combination of protrusions mode
Or chemical adhesive mode etc..And without any junction between elastic wear-resisting set 7 and the chute 61 of floating iron chair 6
Reason, belongs under nature and is in close contact, i.e., elastic wear-resisting covers 7 outer walls and the inwall of chute 61 is in close contact naturally.
The mechanical property of elastic wear-resisting set 7 is further illustrated, when train passes through, when floating 6 up-down vibration of iron chair,
It is to belong to sliding friction state between floating iron chair 6 and the elastic wear-resisting set 7 being fixed on base iron chair 3, it requires
Not only coefficient of friction is low for the wear surface of elastic wear-resisting set 7, and requires wear-resisting；Because rail 1 has transverse load, to prevent from floating
Put iron chair 6 and laterally hard impact occurs in elastic wear-resisting set 7, it requires that elastic wear-resisting set there must be certain elasticity, it is no
Then it is easy to bad.Therefore the resilience of high rigidity property need to be possessed by sliding wear-resistant sleeve 7, because requiring to slide wear-resistant sleeve 7 and chute
The coefficient of sliding friction between 61 is small, therefore the slip wear-resistant sleeve 7 contacted with chute 61 will also have very high abrasive resistance.It is sliding
Dynamic wear-resistant sleeve 7 can be made up of one or more materials, for example, in the present embodiment, slip wear-resistant sleeve 7 is layer structure, by height
Rigidity elastic layer and the low friction wearing layer composition for being arranged on high rigidity elasticity layer surface.High rigidity elastic layer uses high rigidity bullet
Property material be made, low friction wearing layer is made of the high-abrasive material of low-friction coefficient.
In order to strengthen the convenient of base iron chair 3 and the floating mechanical property of iron chair 6 and fixed installation, referring to Fig. 3,
The edge of base iron chair 3 is provided with structural bead 32 and screw spike mounting hole 33, and wherein structural bead 32 is oppositely arranged,
Screw spike mounting hole 33 is diagonally positioned, and structural bead 32 causes boss 31 to have enough intensity.It is referring to Fig. 4, floating
Iron chair 6 is put except setting chute 61, concave shape erecting bed 62 is provided with its pair of horns, the insulation buckle 9 is fastened on recessed
It is used to withhold rail 1 in floating iron chair 6 on font erecting bed 62.In the present embodiment, fixture be T-bolt 15,
Spring 16 and nut 17, floating iron chair 6 set the mounting groove 63 of T-bolt 15 in its bottom of concave shape erecting bed 62, at it
Another diagonal upper setting insulating bushing mounting groove 65 and twin-feed spiral railway spike mounting hole 64, insulating bushing mounting groove 65 are arranged on double
The upper end-face edge of head screw spike mounting hole 64.
In order to further realize that chute 61 is in close contact naturally with elastic wear-resisting set 7, the internal face of chute 61 is friction
Face, inwall should polish smooth it is smooth, while for the ease of assembling, fillet has been led in the port of chute 61.
Rail 1 is held on floating iron chair 6 in order to realize, the insulation buckle 9 is with dielectric level plate 91 and certainly
The insulating arthropleura 92 that 91 liang of sides of dielectric level plate extend downwardly, and the outer lower portion of the insulating arthropleura 92 has deep-slotted chip breaker 93,
The side of the rail 1 is embedded in the deep-slotted chip breaker 93, and deep-slotted chip breaker 93, which has reached, is held in rail 1 on floating iron chair 6
Purpose.
In order to further strengthen vibration isolating effect, the vibration isolator 5 is using the Low rigidity material that resilience is good and fatigue durability is good
Material is made so that vibration isolator 5 has Low rigidity elasticity capacity, and good vibration isolation capability, in the present embodiment, vibration isolator 5 are preferred
Thermoplasticity class elastomer or thermosetting class elastomer, the big at least 5mm of base plate thickness of its thickness ratio base iron chair 3, its foreign steamer
Profile shape is consistent with the cavity of base iron chair 3 and undersized.
During assembling, referring to Fig. 2, rail 1 is withheld using the buckle 9 that insulate, due to insulation buckle 9 and its supporting
Spring 16 is almost without downward bullet journey, thus railway rail pad 8 should use hard rubber-plastics material, it is otherwise excessively soft can be in vertical load
Under cause rail 1 and floating iron chair 6 that larger relative displacement occurs, and then produce the anti-creep resistance mistake caused by buckle press deficiency
The problems such as low and flip angle of rail 1 is excessive, and floating iron pad 6 is located in the upper surface of vibration isolator 5, using the buckle 9 that insulate,
Rail 1 and railway rail pad 8 are pressed on floating iron chair 6 by T-bolt 15, spring 16 and nut 17, and T-bolt 17 is arranged on
On floating iron chair 6；Base iron chair 3 and plate lower bolster 8 are fastened on sleeper 2 by twin-feed spiral railway spike 10, and using in advance
Floating iron chair 6 is pressed on vibration isolator 5 by pressure nut 14 and pre-compressed spring 13.It should be noted that set on base iron chair 3
Boss 31 be main force part, not only its physical dimension 7 will match with chute 61, elastic wear-resisting set, and have foot
Enough intensity.It need to meet intensity requirement in the reinforcement physical dimension that the edge of base iron chair 3 is set.At the same time, boss
31 can bear larger moment of flexure, and to improve the bearing capacity of base iron chair 3, twin-feed spiral railway spike 10 need to be incited somebody to action with enough torque
Base iron chair 3 and plate lower bolster 8 are compacted, and plate lower bolster 8 should use hard rubber-plastics material.If plate underlay plate material is excessively soft,
The mechanical boundary of base iron chair 3 can be changed into being unfavorable for the state of the bearing capacity of base iron chair 2.Insulate buckle 9 and twin-feed spiral
The grade of railway spike 10 is just using conventional part and mounting means.
Damping fastening provided by the invention, good anti-vibration performance can be provided in the case where fully ensuring that travel safety, can be straight
Take over and change the existing compact common fastener in storehouse interior lines, the vibration pollution in solution in lid Estate Development is made an uproar with indoor secondary structure
Sound problem.
Above-described embodiment, simply presently preferred embodiments of the present invention are not used for limiting the practical range of the present invention, thus it is all with
The equivalent variations that content described in the claims in the present invention is done, it all should be included within scope of the invention as claimed.
Claims (5)
1. a kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines, including rail (1), sleeper (2), Yi Jiyi
Secondary plate lower bolster (4), base iron chair (3), vibration isolator (5), the floating iron pad set up between rail (1) and sleeper (2)
Plate (6) and railway rail pad (8), it is characterised in that the middle side part of base iron chair (3) two has boss (32), described floating
The middle side part of iron chair (6) two has the chute (61) being adapted with boss (32), and the floating iron chair (6) passes through its chute
(61) it is sheathed on the boss (32) of base iron chair (3), and elastic wear-resisting is nested between the boss (32) and chute (61)
Cover (7), the elastic wear-resisting set (7) is fixedly connected with boss (32), is nature between the elastic wear-resisting set (7) and chute (61)
It is in close contact.
2. a kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines according to claim 1, its feature
It is, the elastic wear-resisting set (7) is layer structure, by high rigidity elastic layer and is arranged on low the rubbing of high rigidity elasticity layer surface
Wipe wearing layer composition.
3. a kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines according to claim 2, its feature
It is, the rail (1) is withheld on floating iron chair (6) by the buckle that insulate (9).
4. a kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines according to claim 3, its feature
It is, the boss (32) and chute (61) are rectangular-shaped.
5. a kind of elastic chute-type Damping fastening suitable for railcar phase library interior lines according to claim 4, its feature
It is, chute (61) internal face is rubbing surface, and fillet has been led in its port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076439.2A CN107761482B (en) | 2017-11-06 | 2017-11-06 | Elastic sliding groove type vibration damping fastener suitable for inner line of subway vehicle section warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076439.2A CN107761482B (en) | 2017-11-06 | 2017-11-06 | Elastic sliding groove type vibration damping fastener suitable for inner line of subway vehicle section warehouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107761482A true CN107761482A (en) | 2018-03-06 |
| CN107761482B CN107761482B (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711076439.2A Active CN107761482B (en) | 2017-11-06 | 2017-11-06 | Elastic sliding groove type vibration damping fastener suitable for inner line of subway vehicle section warehouse |
Country Status (1)
| Country | Link |
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| CN (1) | CN107761482B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117922A (en) * | 2019-05-27 | 2019-08-13 | 西安卓控环保科技有限公司 | A kind of shoulder block formula Damping fastening suitable for subway main track |
| CN115418893A (en) * | 2022-08-30 | 2022-12-02 | 中铁隆昌铁路器材有限公司 | Embedded damping fastener |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110117922A (en) * | 2019-05-27 | 2019-08-13 | 西安卓控环保科技有限公司 | A kind of shoulder block formula Damping fastening suitable for subway main track |
| CN115418893A (en) * | 2022-08-30 | 2022-12-02 | 中铁隆昌铁路器材有限公司 | Embedded damping fastener |
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| Publication number | Publication date |
|---|---|
| CN107761482B (en) | 2023-09-08 |
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