CN108867201A - A kind of ballastless track structure for heavy grade rack rails traffic system - Google Patents
A kind of ballastless track structure for heavy grade rack rails traffic system Download PDFInfo
- Publication number
- CN108867201A CN108867201A CN201810880644.2A CN201810880644A CN108867201A CN 108867201 A CN108867201 A CN 108867201A CN 201810880644 A CN201810880644 A CN 201810880644A CN 108867201 A CN108867201 A CN 108867201A
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- Prior art keywords
- track
- track plates
- rack rails
- heavy grade
- traffic system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 239000012634 fragment Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 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
- 239000004575 stone Substances 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
- E01B2/00—General structure of permanent way
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
A kind of ballastless track structure for heavy grade rack rails traffic system, the component of longitudinal force and rail system from the big output of train is passed to sub-rail foundation, it effectively prevent track plates to generate longitudinal direction in heavy grade section, big-inclination curve section or laterally creep, it is ensured that rack rails train operating safety.Including the base plate, filled layer and track plates from bottom to top set gradually, track plates plate face both lateral sides have the track of longitudinal gap setting, and rail is fixed on track by fastener system, and rack rails is fixedly mounted on the longitudinal midline of track plates.Position limiting structure is arranged in track plates bottom interval, and position limiting structure is passed down through filled layer and enters in base plate, prevents track plates and base plate from the changing of the relative positions occurs.
Description
Technical field
The present invention relates to rack rails traffic system, in particular to a kind of non-fragment orbit structure for heavy grade rack rails traffic system
It makes.
Background technique
Rack rails traffic system be on the basis of original track structure, track centre be equipped with one it is parallel with rail
Rack gear or ladder-like tooth, while corresponding gear being installed on bogie axle, pass through engaging between gear and rack rails
Power tractor-trailer train.Suitable for mountain area short-distance and medium-distance, medium and small passenger flow, the Rail Transit System of heavy grade.Due to class of track requirement
It is not high, and it is used for mountain area location, it is generally used Ballast track.
With the rise of non-fragment orbit technology, part heavy haul railway also attempts laying non-fragment orbit.Application No. is
201110256448.6 Chinese patent disclosed a kind of ballastless track system in 2011, and its reliability is high, durability is good, easy
In construction and maintenance, but it is only intended toHigh-speed railwayRoute, and line slope is usually no more than 30 ‰.
Existing rack rails traffic system is all made of Ballast track, for the route of heavy grade, track anti-creep performance and keep away
Exempt from railway ballast sliding aspect to carry out for Journal of Sex Research, to effectively prevent track plates in heavy grade section, big-inclination bend area
Section is generated longitudinal or is laterally creeped and railway ballast sliding, it is ensured that rack rails train operating safety.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of non-fragment orbit structures for heavy grade rack rails traffic system
It makes, the component of longitudinal force and rail system from the big output of train is passed into sub-rail foundation, track plates is effectively prevent to exist
Heavy grade section, big-inclination curve section are generated longitudinal or are laterally creeped, it is ensured that rack rails train operating safety.
The technical solution adopted by the present invention to solve the technical problems is as follows：
A kind of ballastless track structure for heavy grade rack rails traffic system of the invention, it is characterized in that：Including by lower and
On the base plate, filled layer and the track plates that set gradually, track plates plate face both lateral sides have the track of longitudinal gap setting,
Rail is fixed on track by fastener system, and rack rails is fixedly mounted on the longitudinal midline of track plates；The track plates bottom
Position limiting structure is arranged in portion interval, and position limiting structure is passed down through filled layer and enters in base plate, prevents track plates and base plate from occurring
The changing of the relative positions.
The invention has the advantages that elimination has the tiny fragments of stone, coal, etc. using the non-fragment orbit being made of base plate, filled layer and track plates
The track security risk dynamic there may be railway ballast sliding in heavy grade section, big-inclination curve section；The setting of track plates bottom
Position limiting structure, position limiting structure are passed down through filled layer and enter in base plate, prevent track plates from misplacing with base plate, effectively anti-
Only track plates generate longitudinal direction in heavy grade section, big-inclination curve section or laterally creep, it is ensured that rack rails train operation peace
Entirely.
Detailed description of the invention
This specification includes following width attached drawing：
Fig. 1 is that a kind of vertical section of the ballastless track structure embodiment 1 for heavy grade rack rails traffic system of the present invention shows
It is intended to；
Fig. 2 is the enlarged diagram of the part A in Fig. 1；
Fig. 3 is the enlarged diagram of the part A in Fig. 1；
Fig. 4 is base plate in a kind of ballastless track structure embodiment 1 for heavy grade rack rails traffic system of the present invention
Schematic longitudinal section；
Fig. 5 is that a kind of vertical section of the ballastless track structure embodiment 2 for heavy grade rack rails traffic system of the present invention shows
It is intended to；
Fig. 6 is that a kind of cross section of the ballastless track structure embodiment 3 for heavy grade rack rails traffic system of the present invention shows
It is intended to；
Fig. 7 is base plate in a kind of ballastless track structure embodiment 3 for heavy grade rack rails traffic system of the present invention
Schematic cross-sectional view.
Component and corresponding label are shown in figure：Base plate 10, tongue-and-groove 11, track plates 20, track 21, rack rails 22 are convex
Tenon structure 23, tenon component 24, reinforcing bar 25, filled layer 30.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig.1, a kind of ballastless track structure for heavy grade rack rails traffic system of the invention, including from bottom to top
Base plate 10, filled layer 30 and the track plates 20 set gradually, 20 plate face both lateral sides of track plates have longitudinal gap setting
Track 21, rail are fixed on track 21 by fastener system, and rack rails is fixedly mounted on the longitudinal midline of track plates 20.
Using the non-fragment orbit being made of base plate 10, filled layer 30 and track plates 20, eliminates Ballast track and incline in heavy grade section, greatly
The gradient curve section security risk dynamic there may be railway ballast sliding.Position limiting structure, limit is arranged in 20 bottom interval of track plates
Bit architecture is passed down through filled layer 30 and enters in base plate 10, prevents track plates 20 from misplacing with base plate 10.
Referring to Figure 1 and Figure 3, the position limiting structure is arranged in heavy grade section along the longitudinal gap of track plates 20.Referring to Fig. 6
And Fig. 7, the position limiting structure being horizontally arranged at interval along track plates 20 in big-inclination curve section.
Referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, the position limiting structure are the tenon structure downwardly convex by 20 bottom surface of track plates
23, or the tenon component 24 being fixedly mounted on 20 bottom surface of track plates.Setting and tenon on the top surface of the base plate 10
The corresponding recessed tongue-and-groove 11 of structure 23, tenon component 24.
Referring to Fig. 2 and Fig. 3, the rectangular triangle in cross section of the tenon structure 23, tenon component 24, bottom edge and rail
20 bottom surface of guidance tape coincides, and for right-angle side close to descending side, the angle of right-angle side and bevel edge is α, and 15 °≤α≤60 °.Reference Fig. 4,
Fig. 7, the cross section of the tongue-and-groove 11 and rectangular triangle, bottom edge coincide with 10 top surface of base plate, and right-angle side is under
The angle of slope side, right-angle side and bevel edge is β, β >=α.
Referring to Fig. 5, the position limiting structure is the reinforcing bar 25 being arranged at intervals on 20 bottom surface of track plates, the top of each reinforcing bar 25
It is fixedly connected in embedment track plates 20 and with its arrangement of reinforcement, lower part is then embedded in cast-in-place base plate 10.The reinforcing bar 25 is cutting back
Reinforcing bar or door shape reinforcing bar, the length for exposing 20 bottom surface of track plates are generally 2.5~3 times of 30 thickness of filled layer.
The above is a kind of ballastless track structure for heavy grade rack rails traffic system of the present invention that explains through diagrams
Some principles, be not intended to for the present invention to be confined to shown in and the specific structure and the scope of application in, therefore it is all
The corresponding modification that may be utilized and equivalent belong to the applied the scope of the patents of the present invention.
Claims (8)
1. a kind of ballastless track structure for heavy grade rack rails traffic system, it is characterized in that：Including from bottom to top setting gradually
Base plate (10), filled layer (30) and track plates (20), track plates (20) plate face both lateral sides have longitudinal gap setting
Track (21), rail are fixed on track (21) by fastener system, and rack rails is fixedly mounted on the longitudinal direction of track plates (20)
On middle line；Position limiting structure is arranged in track plates (20) bottom interval, and position limiting structure is passed down through filled layer (30) into pedestal
In plate (10), prevent track plates (20) from misplacing with base plate (10).
2. a kind of ballastless track structure for heavy grade rack rails traffic system as described in claim 1, it is characterized in that：It is described
Position limiting structure is arranged in heavy grade section along the longitudinal gap of track plates (20).
3. a kind of ballastless track structure for heavy grade rack rails traffic system as described in claim 1, it is characterized in that：It is described
Position limiting structure being horizontally arranged at interval along track plates (20) in big-inclination curve section.
4. a kind of ballastless track structure for heavy grade rack rails traffic system as claimed in claim 1,2 or 3, feature
It is：The position limiting structure is the tenon structure (23) downwardly convex by track plates (20) bottom surface, or is fixedly mounted at track
Tenon component (24) on plate (20) bottom surface；Setting and tenon structure (23), tenon component on the top surface of the base plate (10)
(24) corresponding recessed tongue-and-groove (11).
5. a kind of ballastless track structure for heavy grade rack rails traffic system as claimed in claim 4, it is characterized in that：It is described
The rectangular triangle in cross section of tenon structure (23), tenon component (24), bottom edge coincide with track plates (20) bottom surface, directly
For the arm of angle close to descending side, the angle of right-angle side and bevel edge is α, 15 °≤α≤60 °.
6. a kind of ballastless track structure for heavy grade rack rails traffic system as claimed in claim 5, it is characterized in that：It is described
The cross section of tongue-and-groove (11) and rectangular triangle, bottom edge coincide with base plate (10) top surface, right-angle side close to descending side,
The angle of right-angle side and bevel edge is β, β >=α.
7. a kind of ballastless track structure for heavy grade rack rails traffic system as described in claim 1, it is characterized in that：It is described
Position limiting structure is the reinforcing bar (25) being arranged at intervals on track plates (20) bottom surface, and the top of each reinforcing bar (25) is embedded to track plates (20)
Interior and be fixedly connected with its arrangement of reinforcement, lower part is then embedded in cast-in-place base plate (10).
8. a kind of ballastless track structure for heavy grade rack rails traffic system as described in claim 1, it is characterized in that：It is described
Reinforcing bar (25) is cutting back reinforcing bar or door shape reinforcing bar, and the length for exposing track plates (20) bottom surface is filled layer (30) thickness
2.5~3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880644.2A CN108867201A (en) | 2018-08-04 | 2018-08-04 | A kind of ballastless track structure for heavy grade rack rails traffic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880644.2A CN108867201A (en) | 2018-08-04 | 2018-08-04 | A kind of ballastless track structure for heavy grade rack rails traffic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867201A true CN108867201A (en) | 2018-11-23 |
Family
ID=64307741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810880644.2A Pending CN108867201A (en) | 2018-08-04 | 2018-08-04 | A kind of ballastless track structure for heavy grade rack rails traffic system |
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|---|---|
| CN (1) | CN108867201A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916751A (en) * | 2019-03-18 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of steep gradient ballast track bed long-term stable experiment device and test method |
| CN110055825A (en) * | 2019-04-28 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method |
| CN110184862A (en) * | 2019-07-01 | 2019-08-30 | 中铁二院工程集团有限责任公司 | It is a kind of for rack rails and the Anti-dislocation connection fastener of rack rails seat |
| CN111501431A (en) * | 2020-04-22 | 2020-08-07 | 中国铁建重工集团股份有限公司 | Rack guide-in device and rack rail |
| CN112211038A (en) * | 2020-09-28 | 2021-01-12 | 中铁第一勘察设计院集团有限公司 | Toothed step face beam body structure under large-gradient condition |
| CN112227115A (en) * | 2020-09-28 | 2021-01-15 | 中铁第一勘察设计院集团有限公司 | Toothed step surface road bed board under large-gradient condition |
| CN112962367A (en) * | 2021-02-24 | 2021-06-15 | 中铁二院工程集团有限责任公司 | Construction method of tooth-track railway ballast track system |
| CN114318967A (en) * | 2022-01-05 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Ballastless track tooth track connecting system for large-gradient simply-supported bridge |
| CN115326441A (en) * | 2022-10-14 | 2022-11-11 | 西南交通大学 | Rack rail traffic model testing device |
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| CN209260450U (en) * | 2018-08-04 | 2019-08-16 | 中铁二院工程集团有限责任公司 | A kind of ballastless track structure for heavy grade rack rails traffic system |
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| US20080173724A1 (en) * | 2007-01-18 | 2008-07-24 | Msb-Management Gmbh | Partly foamed railroad track support arrangement |
| CN102182120A (en) * | 2011-03-31 | 2011-09-14 | 中铁第四勘察设计院集团有限公司 | Precast slab type ballastless track structure |
| CN202073037U (en) * | 2011-05-20 | 2011-12-14 | 中铁二院工程集团有限责任公司 | Bridge ballastless track structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916751B (en) * | 2019-03-18 | 2023-11-17 | 中铁二院工程集团有限责任公司 | Long-term stability test device and test method for ballast bed of large ramp |
| CN109916751A (en) * | 2019-03-18 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of steep gradient ballast track bed long-term stable experiment device and test method |
| CN110055825A (en) * | 2019-04-28 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method |
| CN110184862A (en) * | 2019-07-01 | 2019-08-30 | 中铁二院工程集团有限责任公司 | It is a kind of for rack rails and the Anti-dislocation connection fastener of rack rails seat |
| CN110184862B (en) * | 2019-07-01 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Anti-dislocation connecting fastener for toothed rail and toothed rail seat |
| CN111501431A (en) * | 2020-04-22 | 2020-08-07 | 中国铁建重工集团股份有限公司 | Rack guide-in device and rack rail |
| CN111501431B (en) * | 2020-04-22 | 2021-08-31 | 中国铁建重工集团股份有限公司 | Rack guide-in device and rack rail |
| CN112211038A (en) * | 2020-09-28 | 2021-01-12 | 中铁第一勘察设计院集团有限公司 | Toothed step face beam body structure under large-gradient condition |
| CN112227115A (en) * | 2020-09-28 | 2021-01-15 | 中铁第一勘察设计院集团有限公司 | Toothed step surface road bed board under large-gradient condition |
| CN112962367A (en) * | 2021-02-24 | 2021-06-15 | 中铁二院工程集团有限责任公司 | Construction method of tooth-track railway ballast track system |
| CN114318967B (en) * | 2022-01-05 | 2023-07-18 | 中铁二院工程集团有限责任公司 | Tooth rail connecting system for ballastless track of heavy-gradient simply-supported bridge |
| CN114318967A (en) * | 2022-01-05 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Ballastless track tooth track connecting system for large-gradient simply-supported bridge |
| CN115326441A (en) * | 2022-10-14 | 2022-11-11 | 西南交通大学 | Rack rail traffic model testing device |
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