CN110258200A - Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure - Google Patents
Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure Download PDFInfo
- Publication number
- CN110258200A CN110258200A CN201910493446.5A CN201910493446A CN110258200A CN 110258200 A CN110258200 A CN 110258200A CN 201910493446 A CN201910493446 A CN 201910493446A CN 110258200 A CN110258200 A CN 110258200A
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- Prior art keywords
- transition
- fastener
- vibration
- railway roadbed
- location
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- 230000007704 transition Effects 0.000 title claims abstract description 125
- 238000013016 damping Methods 0.000 title claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 53
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- 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
Abstract
The invention discloses a kind of rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure, the rail system includes the common railway roadbed location longitudinally disposed along route, vibration-damping ballast location and transition location, the common railway roadbed location includes tunnel (2) and the solid concrete roabed (1) on the tunnel (2), the vibration-damping ballast location includes the substrate (5) in tunnel (2), vibration-damping ballast (3) in the substrate (5), and it is set to the cushion layer (4) between substrate (5) and vibration-damping ballast (3)；The transition location is set between the common railway roadbed location and vibration-damping ballast location, including multistage transition fastener constitutes stiffness transition structure, and from common railway roadbed location to vibration-damping ballast location, the rigidity of transition fasteners at different levels is gradually reduced.System of the invention realizes the gentle transition in common railway roadbed location Yu vibration-damping ballast location rigidity, and transition effect is good, is arranged high-efficient.
Description
Technical field
The invention belongs to subway line track vibration-reducing technical fields, more particularly, to one kind containing vibration-damping ballast and commonly
The rail system of railway roadbed and fastener stiffness transition structure.
Background technique
So far from the 1950s, in China, oneself has nearly 60 years development courses for urban track traffic.By 2017
End, China amount to 34 cities and open urban track traffic and put into effect, open city rail traffic line 165, operating line
Length reaches 5033 kilometers.With the continuous development of urban track traffic, shadow of the vibration problem caused by rail traffic to people
Sound is increasing.
To meet the needs that urban environment controls traffic vibration, track vibration-reducing measure is largely used on subway line, is subtracted
Vibration pad floating plate is using more one kind.Cushion blocking floating plate needs to be embedded in the rubber spacer of Low rigidity under plate, this makes
Cushion blocking floating plate track rigidity differs greatly with general railway roadbed location.With can smoothly passing vibration damping and non-vibration damping for vehicle
Section intersection, prevent due to wheel rail force be mutated and rail buckle change rate it is larger caused by track disease, need to be arranged vibration damping and
Non- vibration damping changeover portion realizes the smooth transition of rigidity.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provide it is a kind of containing vibration-damping ballast and common railway roadbed and
The rail system of fastener stiffness transition structure,
To achieve the goals above, the present invention provides one kind containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure
Rail system, which includes common railway roadbed location, vibration-damping ballast location and the transition location longitudinally disposed along route,
The common railway roadbed location includes tunnel and the solid concrete roabed on the tunnel, solid concrete roabed be set to its top
Rail connected by common fastener；
The vibration-damping ballast location includes the substrate in the tunnel, the vibration-damping ballast in the substrate, and is set to
Cushion layer between substrate and vibration-damping ballast；
The transition location is set between the common railway roadbed location and vibration-damping ballast location, including multistage transition fastener structure
At stiffness transition structure, and from common railway roadbed location to vibration-damping ballast location, the rigidity of transition fasteners at different levels is gradually reduced, and is realized
The gentle transition in common railway roadbed location and vibration-damping ballast location rigidity.
Further, the stiffness transition structure include First Transition fastener, the second transition fastener, third transition fastener with
And the 4th transition fastener.
Further, the rigidity of the 4th transition fastener is greater than the rigidity of third transition fastener, the third transition button
The rigidity of part is greater than the rigidity of the second transition fastener, and the rigidity of the second transition fastener is greater than the rigidity of First Transition fastener.
Further, it is described when the rigidity of the cushion layer is 20MPa/m, 30MPa/m, 40MPa/m or 50MPa/m
The rigidity of First Transition fastener corresponding respectively 10kN/mm, 13kN/mm, 17kN/mm and 17kN/mm, and the second transition button
The rigidity of part, third transition fastener and the 4th transition fastener is respectively 1.3 times of previous stage transition fastener rigidity.
Further, the rigidity of afterbody transition fastener is greater than 22kN/mm.
Further, the First Transition fastener, the second transition fastener, third transition fastener, the 4th transition fastener and
Common fastener structures are identical, and rigidity is different, and on cast-in-place or prefabricated railway roadbed, including substrate, rail are set on the substrate,
Its bottom is successively arranged high-elasticity backing plate and heightening base plate under iron base plate under high-elasticity backing plate under rail, iron chair, iron chair, passes through institute
State high-elasticity backing plate under rail, high-elasticity backing plate and heightening base plate under iron base plate are realized and adjusted to the multistage of rail height above rail surface under iron chair
Section.
Further, mounting hole is offered on the substrate and cast-in-place railway roadbed, plastic bushing is sheathed in the mounting hole.
Further, the rail foot two sides are respectively symmetrically equipped with and stay between roll adjustment buckle, with high-elasticity backing plate under rail
There is gap, for installing insulation gauge tie plate.
Further, the top of the insulation gauge tie plate and roll adjustment buckle is equipped with single toe spring, screw bolt passes list toe
High-elasticity backing plate and plastic bushing rotatable engagement fasten under spring, roll adjustment buckle, iron chair, iron chair.
Further, plain washer and heavy-duty spring washer are additionally provided between the roll adjustment buckle and single toe spring.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1. rail system of the invention, the wheel being calculated according to different-stiffness transition fastener becomes displacement, rail buckle
The parameters such as rate, car body acceleration and rate of wheel load reduction, carry out stiffness transition segment length and rigidity is arranged, and meet each index
It is required that realizing the gentle transition in common railway roadbed location Yu vibration-damping ballast location rigidity, transition effect is good, is arranged high-efficient.
2. rail system of the invention is equipped with multistage transition fastener structure between common railway roadbed location and vibration-damping ballast location
At transition segment structure, and from common railway roadbed location to vibration-damping ballast location, the rigidity of transition fasteners at different levels gradually reduces, thus
Realize that the gentle transition in common railway roadbed location Yu vibration-damping ballast location rigidity, transition effect are good.
3. rail system of the invention is padded by being turned up under high-elasticity backing plate under high-elasticity backing plate, iron chair under rail and iron chair
Plate multistage is adjusted, and realizes the flexible modulation of rail height above rail surface.
It is high-elastic under screw bolt passes list toe spring, roll adjustment buckle, iron chair, iron chair 4. rail system of the invention
Backing plate and plastic bushing rotatable engagement fasten, so that rail is securely fastened on cast-in-place concrete railway roadbed.
Detailed description of the invention
Fig. 1 is that rail system of the embodiment of the present invention containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure is illustrated
Figure；
Fig. 2 is common ballast bed structure schematic diagram in the embodiment of the present invention；
Fig. 3 is vibration-damping ballast structural schematic diagram in the embodiment of the present invention；
Fig. 4 is fastener structures floor map involved in the embodiment of the present invention；
Fig. 5 is the A-A diagrammatic cross-section in Fig. 4.
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1- solid concrete roabed, 2- tunnel
Road, 3- vibration-damping ballast, 4- cushion layer, 5- substrate, 6- rail, the common railway roadbed of 7-, 8- First Transition fastener, the second transition of 9- are buckled
Part, 10- third transition fastener, the 4th transition fastener of 11-, the common fastener of 12-；
High-elasticity backing plate, 102- insulation gauge tie plate, the mono- toe spring of 103-, 104- screw, 105- plain washer, 106- under 101- rail
High-elasticity backing plate, 110- plastic bushing, 111- iron under heavy-duty spring washer, 107- roll adjustment buckle, 108- iron chair, 109- iron chair
Height adjusting cushion plate under backing plate.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Not constituting conflict between this can be combined with each other.
Fig. 1 is that rail system of the embodiment of the present invention containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure is illustrated
Figure；The rail system includes common railway roadbed location, vibration-damping ballast location and the transition location longitudinally disposed along route.Wherein, such as
Shown in Fig. 2, common railway roadbed location includes tunnel 2 and the solid concrete roabed 1 on the tunnel 2, and solid concrete roabed 1 is shown in Fig. 1
Common railway roadbed 7, connect with top rail 6 by common fastener 12.As shown in figure 3, vibration-damping ballast location includes being set to tunnel
Substrate 5 in road 2, the vibration-damping ballast 3 in the substrate 5, and the cushion layer between substrate 5 and vibration-damping ballast 3
4.In addition, vibration-damping ballast 3 is connect with rail 9 by multistage transition fastener in transition location.Rail system of the invention, according to
The wheel that different-stiffness transition fastener is calculated is to displacement, rail buckle change rate, car body acceleration and rate of wheel load reduction etc.
Parameter, carries out stiffness transition segment length and rigidity is arranged, and meets the requirements each index, realizes common railway roadbed location and vibration-damping ballast
The gentle transition of location rigidity, transition effect is good, is arranged high-efficient.
It is constituted as shown in figure 4, further, between common railway roadbed location and vibration-damping ballast location being equipped with multistage transition fastener
Stiffness transition structure, and from common railway roadbed location to vibration-damping ballast location, the rigidity of transition fasteners at different levels gradually reduces.It is preferred that
Ground, stiffness transition structure include First Transition fastener 8, the second transition fastener 9, third transition fastener 10 and the 4th transition fastener
11, wherein the rigidity of the 4th transition fastener 11 is greater than the rigidity of third transition fastener 10, and the rigidity of third transition fastener 10 is greater than
The rigidity of second transition fastener 9, the rigidity of the second transition fastener 9 are greater than the rigidity of First Transition fastener 8.The cushion layer 4
Rigidity be 20MPa/m, 30MPa/m, 40MPa/m or 50MPa/m when, the rigidity correspondence of the First Transition fastener 8 is respectively
10kN/mm, 13kN/mm, 17kN/mm and 17kN/mm, and the second transition fastener 9, third transition fastener 10 and the 4th mistake
The rigidity for crossing fastener 11 is respectively 1.3 times of previous stage transition fastener rigidity.Preferably, except two pieces of neighbouring cushion blocking floating plate
Outside fastener on common railway roadbed, other common railway roadbeds and cushion blocking floating plate all use common fastener, have on one piece of common railway roadbed 7
20 groups of common fasteners 12, the rigidity of the common fastener are taken as 30kN/mm, 10 groups of First Transitions close to vibration-damping ballast location side
Its rigidity of fastener 8 is set as 10kN/mm；Remaining 10 group of second transition fastener 9 its rigidity is set as 13kN/mm, third transition button
Its rigidity of part 10 is set as 17kN/mm；Remaining 10 group of the 4th transition fastener 11 its rigidity is set as 22.1kN/mm.Of the invention
Rail system is equipped with multistage transition fastener with constituting transition segment structure between common railway roadbed location and vibration-damping ballast location, and
From common railway roadbed location to vibration-damping ballast location, the rigidity of transition fasteners at different levels is gradually reduced, to realize common railway roadbed location
With the gentle transition of vibration-damping ballast location rigidity, transition effect is good.
As shown in Figure 4 and Figure 5, fastener 10 is set on cast-in-place or prefabricated railway roadbed, including substrate, on the substrate and cast-in-place railway roadbed
Mounting hole is offered, plastic bushing 110 is sheathed in the mounting hole.Rail 9 is set on substrate, and bottom is successively arranged under rail
High-elasticity backing plate 109 and heightening base plate under iron base plate 111 under high-elasticity backing plate 101, iron chair 108, iron chair, by high-elastic under rail
High-elasticity backing plate 109 and the multistage adjusting of heightening base plate under iron base plate 111, realize 9 height above rail surface of rail under backing plate 101, iron chair
Flexible modulation.In addition, in 9 two sides of the bottom of rail, it is respectively symmetrically equipped with roll adjustment buckle 107, and under rail between high-elasticity backing plate 101
There are gaps, and for installing insulation gauge tie plate 102, which is L-shaped structure, for compressing rail 9.Insulation rail
Top away from plate 102 and roll adjustment buckle 107 is equipped with single toe spring 103, and bolt 104 sequentially passes through single toe spring 103, roll adjustment buckle
107, high-elasticity backing plate 109 and 110 rotatable engagement of plastic bushing fasten under iron chair 108, iron chair, so that rail 9 is firmly solid
Due on cast-in-place concrete railway roadbed.In addition, being closed to further strengthen the connection between bolt 104 and cast-in-place concrete railway roadbed
System is additionally provided with plain washer 105 and heavy-duty spring washer 106 between roll adjustment buckle 107 and single toe spring 103.Due to single toe bullet
The biggish rigidity of item 103 and deflection, therefore it is greatly improved the height-regulating range of rail, meet its elevation demand.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure, along which includes
Road longitudinally disposed common railway roadbed location, vibration-damping ballast location and transition location, which is characterized in that
The common railway roadbed location include tunnel (2) and be set to the tunnel (2) on solid concrete roabed (1), solid concrete roabed (1) with set
Rail (6) at the top of it is connected by common fastener (12)；
The vibration-damping ballast location includes the substrate (5) in tunnel (2), the vibration-damping ballast (3) in the substrate (5),
And it is set to the cushion layer (4) between substrate (5) and vibration-damping ballast (3)；
The transition location is set between the common railway roadbed location and vibration-damping ballast location, including multistage transition fastener is constituted just
Transition structure is spent, and from common railway roadbed location to vibration-damping ballast location, the rigidity of transition fasteners at different levels is gradually reduced, realized common
The gentle transition in railway roadbed location and vibration-damping ballast location rigidity.
2. a kind of track system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure according to claim 1
System, which is characterized in that the stiffness transition structure includes First Transition fastener (8), the second transition fastener (9), third transition button
Part (10) and the 4th transition fastener (11).
3. a kind of track system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure according to claim 2
System, which is characterized in that the rigidity of the 4th transition fastener (11) is greater than the rigidity of third transition fastener (10), the third mistake
The rigidity for crossing fastener (10) is greater than the rigidity of the second transition fastener (9), and the rigidity of the second transition fastener (9) is greater than the first mistake
Cross the rigidity of fastener (8).
4. one kind according to any one of claim 1-3 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure
Rail system, which is characterized in that the rigidity of the cushion layer (4) be 20MPa/m, 30MPa/m, 40MPa/m or 50MPa/m
When, the corresponding rigidity of the First Transition fastener (8) is respectively 10kN/mm, 13kN/mm, 17kN/mm and 17kN/mm, and described
The rigidity of second transition fastener (9), third transition fastener (10) and the 4th transition fastener (11) is respectively previous stage transition button
1.3 times of part rigidity.
5. one kind described in any one of -4 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure according to claim 1
Rail system, which is characterized in that the rigidity of afterbody transition fastener be greater than 22kN/mm.
6. one kind according to any one of claims 1-5 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure
Rail system, which is characterized in that the First Transition fastener (8), the second transition fastener (9), third transition fastener (10),
Four transition fasteners (11) and common fastener (12) structure are identical, and rigidity is different, on cast-in-place or prefabricated railway roadbed, including base
Plate, rail (6) are set on the substrate, and bottom is successively arranged under high-elasticity backing plate under rail (101), iron chair (108), iron chair
High-elasticity backing plate (109) and heightening base plate under iron base plate (111), by high-elastic under high-elasticity backing plate (101), iron chair under the rail
Backing plate (109) and heightening base plate under iron base plate (111), which are realized, adjusts the multistage of rail (6) height above rail surface.
7. one kind according to claim 1 to 6 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure
Rail system, which is characterized in that mounting hole is offered on the substrate and cast-in-place railway roadbed, plastic bushing (110) is sheathed on
In the mounting hole.
8. one kind described in any one of -7 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure according to claim 1
Rail system, which is characterized in that rail (6) two sides of the bottom, respectively symmetrically be equipped with roll adjustment buckle (107), under rail
There are gaps between high-elasticity backing plate (101), for installing insulation gauge tie plate (102).
9. one kind according to claim 1 to 8 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure
Rail system, which is characterized in that the top of the insulation gauge tie plate (102) and roll adjustment buckle (107) is equipped with single toe spring
(103), bolt (104) sequentially passes through high spring washer under single toe spring (103), roll adjustment buckle (107), iron chair (108), iron chair
Plate (109) and plastic bushing (110) rotatable engagement fasten.
10. one kind according to claim 1 to 9 is containing vibration-damping ballast and common railway roadbed and fastener stiffness transition knot
The rail system of structure, which is characterized in that be additionally provided with plain washer (105) between the roll adjustment buckle (107) and single toe spring (103)
With heavy-duty spring washer (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493446.5A CN110258200A (en) | 2019-06-06 | 2019-06-06 | Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493446.5A CN110258200A (en) | 2019-06-06 | 2019-06-06 | Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure |
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| Publication Number | Publication Date |
|---|---|
| CN110258200A true CN110258200A (en) | 2019-09-20 |
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ID=67917167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910493446.5A Pending CN110258200A (en) | 2019-06-06 | 2019-06-06 | Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure |
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| Country | Link |
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| CN (1) | CN110258200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979850A (en) * | 2020-08-18 | 2020-11-24 | 华东交通大学 | Fastener arrangement method and system for controlling vibration of railway transition section |
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2019
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|---|---|---|---|---|
| CN111979850A (en) * | 2020-08-18 | 2020-11-24 | 华东交通大学 | Fastener arrangement method and system for controlling vibration of railway transition section |
| CN111979850B (en) * | 2020-08-18 | 2022-04-26 | 华东交通大学 | Fastener arrangement method and system for controlling vibration of railway transition section |
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