CN209412614U - A kind of double-block type sleeper and double-block type ballastless track structure - Google Patents
A kind of double-block type sleeper and double-block type ballastless track structure Download PDFInfo
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- CN209412614U CN209412614U CN201821592829.5U CN201821592829U CN209412614U CN 209412614 U CN209412614 U CN 209412614U CN 201821592829 U CN201821592829 U CN 201821592829U CN 209412614 U CN209412614 U CN 209412614U
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Abstract
The utility model relates to a kind of double-block type sleepers, comprising: two concrete sleeper blocks and two truss bars；The top of two truss bars is fixedly connected with the bottom of described two concrete sleeper blocks respectively, and two truss bars are arranged in parallel；Wherein, the concrete sleeper block includes: sleeper block body, and the both sides vertical with truss bars are equipped with the shoulder block to raise upward at the top of the sleeper block body.In addition, the utility model further relates to a kind of double-block type ballastless track structure including above-mentioned double-block type sleeper.The utility model enhances the lateral stability of track structure using the double-block type sleeper for having shoulder block.Double-block type ballastless track structure uses modular design, adapts to urban track traffic feature, facilitates construction and maintenance, maintenance.
Description
Technical field
The utility model relates to urban track traffics, administrative region of a city railway territory, and in particular to a kind of double-block type sleeper and double block
Formula ballastless track structure.
Background technique
Existing urban track traffic desin speed is generally in 80km/h~100km/h range, the track structure that generallys use
There are short pillow formula and bolster formula solid concrete roabed.Short pillow formula solid concrete roabed is made of prefabricated short sleeper, cast-in-place concrete railway roadbed and ditch,
Short sleeper is prefabrication, and non-shoulder shape is concrete road bed to pour at the scene, and wherein by short sleeper build-in.Bolster formula
Solid concrete roabed is made of prestressing force bolster, cast-in-place concrete railway roadbed and ditch, and bolster uses prefabrication, non-shoulder shape, rail
It rests the head on and reserves 5 circular holes, railway roadbed longitudinal reinforcement passes through.Although short pillow, the design of bolster formula solid concrete roabed, construction are mature, construction,
It still will appear a series of problems during operation.Such as short pillow formula solid concrete roabed rail cant is not easy to keep, and keeps track geometry shape
The ability of position is poor；Bolster formula solid concrete roabed sleeper floor space is larger, rests the head on lower concrete and is not easy to tamp, it is existing to be easy to produce cavity
As.The ballast bed structure of mainstream cannot meet track stability and seating under the conditions of fair speed very well in subway line at present
The requirement of comfort.
China express railway flourishes in recent years, and China's non-fragment orbit complete set technology is also able to fast lifting.Through excessive
Year construction and operation, at present China formd CRTS I-type plate-type and double-block type, CRTS II plate-type and double-block type,
CRTS type III platy ballastless track structure system.Wherein double-block type ballastless track it is simple, good to the adaptability of route with structure,
The advantages that construction technology is relatively easy and be widely used in China express railway, track structure is by double-block type sleeper, cast-in-place mixed
The solidifying composition such as dirt road bed board and lower support system (hydraulicity concrete support layer or pedestal).Bridge location track structure is by road
Bed board and pedestal composition, using hierarchical design, track structure height is high, and secondary dead load is big；Roadbed location uses hierarchical design, road
Bed and pedestal are continuous structure, and to guarantee that terminal spine need to be arranged in track structure stabilization, structural system is complicated.In addition, city rail
Traffic and administrative region of a city railway compare high-speed railway, have distance between sites shorter, and rate of traffic flow is big, complicated (such as the curve of line condition
Radius is small etc.), the features such as environmental requirement is high, maintenance is difficult, high-speed rail technology cannot be indiscriminately imitated and be applied to city rail
Traffic and administrative region of a city railway.Therefore, the city rail traffic route or administrative region of a city railway for 120~160 kilometers of speed per hour of design, needs
A kind of new double-block type ballastless track is researched and developed, the design blank in the field is filled up.
Utility model content
It is poor that the utility model is directed to traditional subway monolithic roadbed track stability, be not able to satisfy after speed-raising track stability and
The requirement of riding comfort；And ballastless track of high-speed railway system is complicated, the comprehensive method of investment is big, constructs cumbersome, can not meet city
The problem of city's rail traffic and the construction of administrative region of a city railway, proposes a kind of double block suitable for designing 120~160 kilometers of railways of speed per hour
Formula ballastless track structure system can under the unfavorable operation condition such as the effect of the external loads such as train, temperature and sharp radius curve
Ensure track lateral stability, keep good track geometry status, improves convenience for construction and track laying precision and speed.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of double-block type sleeper, comprising: two concrete sleeper blocks and two truss bars；
The top of two truss bars is fixedly connected with the bottom of described two concrete sleeper blocks respectively, and institute
Two truss bars are stated to be arranged in parallel；
Wherein, the concrete sleeper block includes: sleeper block body, vertical with truss bars at the top of the sleeper block body
Both sides be equipped with the shoulder block that raises upward.
Preferably, more stirrups and Duo Gen mesh sheet muscle are equipped in the sleeper block body；
The more mesh sheet muscle are located on the truss bars, and parallel with the truss bars, the more mesh sheet
Muscle is parallel to each other and is located at same level；
The more stirrups are vertical with the more mesh sheet muscle, and the more stirrups are set along the extending direction of mesh sheet muscle
It sets；
Wherein, every stirrup includes: flat segments and the connector that is set to flat segments both ends and bends downward；
The flat segments of every stirrup are arranged on the more mesh sheet muscle, and the connector of every stirrup is articulated in respectively
Two truss bars wind up on muscle.
It preferably, is rounding corner structure on the outside of the shoulder block, the truss bars are English truss reinforcing bar.
A kind of double-block type ballastless track structure, including multiple railway roadbed plate units and two rail,
Two rail parallel laids are in the top of the multiple railway roadbed plate unit；The multiple railway roadbed plate unit is along two
The extending direction of bar rail is arranged successively according to preset interval；And plate stitch is formed between adjacent railway roadbed plate unit；
Wherein, each railway roadbed plate unit includes: road bed board, multiple double-block type sleepers as described above and multiple fasteners；
The multiple double-block type sleeper is evenly provided on road bed board along the extending direction of two rail, two bar steel
Rail is fixedly connected by fastener with concrete sleeper block.
Preferably, at overhead section, the railway roadbed plate unit is directly arranged on bridge ontology.
Preferably, in roadbed section, the double-block type ballastless track structure further includes multiple reinforced concrete footing units, institute
Multiple reinforced concrete footing units are stated to be set under multiple railway roadbed plate units,
Wherein, each reinforced concrete footing unit is equipped with N number of guidance tape bed unit, and wherein N is natural number.
Preferably, expansion joint, the extending direction along the expansion joint are equipped between the adjacent reinforced concrete footing unit
Equipped with more transmission rods, the more transmission rods are arranged in parallel along the extending direction of two rail.
Preferably, each road bed board bottom is set along the extending direction of two rail there are two positive stop lug boss, and the reinforcing bar is mixed
Solidifying soil base unit is equipped with groove corresponding with the positive stop lug boss.
Preferably, the groove is surrounded by elastic insert.
Preferably, in underground section, the railway roadbed plate unit is directly arranged on tunnel structure.
Compared with prior art, the utility model has the beneficial effects that concrete sleeper block described in the utility model uses
There is shoulder arrangement, substantially increase the lateral stability of track, the speed of design speed per hour 120km/h~160km/h can be undertaken
The lateral load of Train transmitting.Double-block type ballastless track structure involved in the utility model uses modular design, adapts to
Urban track traffic feature facilitates construction and maintenance, maintenance.
Detailed description of the invention
Fig. 1 is the front view of double-block type sleeper involved in the utility model embodiment one；
Fig. 2 is the top view of double-block type sleeper involved in the utility model embodiment one；
Fig. 3 is the side view of double-block type sleeper involved in the utility model embodiment one；
Fig. 4 is the schematic diagram of overhead section of double-block type ballastless track structure involved in the utility model embodiment two；
Fig. 5 is the schematic diagram of the double-block type ballastless track structure of roadbed section involved in the utility model embodiment three；
Fig. 6 is the top view of the double-block type ballastless track structure of roadbed section involved in the utility model embodiment three；
Fig. 7 is the road bed board of roadbed section involved in the utility model embodiment three and putting down for reinforced concrete footing unit
Face structural schematic diagram；
Fig. 8 is the schematic diagram of underground section double-block type ballastless track structure involved in utility model example IV；
In figure:
1- rail；2- fastener；3- double-block type sleeper；31- concrete sleeper block；311- sleeper block body；312- shoulder block；
32- truss bars；321- winds up muscle；322- lower edge muscle；33- mesh sheet muscle；34- stirrup；341- flat segments；342- connector；4-
Road bed board；41- positive stop lug boss；42- plate stitch；5- reinforced concrete footing unit；51- groove；52- elastic insert；53- is flexible
Seam；54- transmission rod；6- bridge ontology；7- roadbed.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one,
A kind of double-block type sleeper is present embodiments provided, referring to Fig.1-3, comprising: two concrete sleeper blocks 31 and two
Truss bars 32；
The top of two truss bars 32 is fixedly connected with the bottom of described two concrete sleeper blocks 31 respectively,
And two truss bars 32 are arranged in parallel；
Wherein, the concrete sleeper block 31 includes: sleeper block body 311,311 top of sleeper block body and purlin
The vertical both sides of frame reinforcing bar 32 are equipped with the shoulder block 312 to raise upward.
312 structure of shoulder block is arranged in the present embodiment at the top of the sleeper block body 311, substantially increases the laterally steady of track
It is qualitative, the lateral load of fair speed Train transmitting can be undertaken.
In addition, preferably, being equipped in the sleeper block body 311 more in the another specific embodiment of the utility model
Root stirrup 34 and Duo Gen mesh sheet muscle 33；
The more mesh sheet muscle 33 are located on the truss bars 32, and parallel with the truss bars 32, described more
Root mesh sheet muscle 33 is parallel to each other and is located at same level；
The more stirrups 34 are vertical with the more mesh sheet muscle 33, and the more stirrups 34 are along the extension of mesh sheet muscle 33
Direction setting；
Wherein, referring to Fig. 3, every stirrup 34 includes: flat segments 341 and is set to 341 both ends of flat segments and bends downward
Connector 342；
The flat segments 341 of every stirrup 34 are arranged on the more mesh sheet muscle 33, and the connector of every stirrup 34
342 are articulated in the winding up on muscle 321 of two truss bars 32 respectively.
The above-mentioned stirrup 34 of setting and mesh sheet muscle 33 in the in-orbit bolster ontology 311 of the present embodiment, and the company of every stirrup 34
Fitting 342 is articulated in the winding up on muscle 321 of two truss bars 32 respectively, enhances the globality of double-block type sleeper 3.
In addition, preferably, being concentrated to reduce stress in the another specific embodiment of the utility model, alleviating double-block type
The generation and development of the road bed board concrete cracks on sleeper periphery will be set as rounding corner structure on the outside of the shoulder block.
In addition, preferably, the truss bars 32 are English truss steel in the another specific embodiment of the utility model
Muscle.
Embodiment two,
Present embodiments provide a kind of overhead section of double-block type ballastless track structure, specifically include multiple railway roadbed plate units and
Two rail 1,
Two rail, 1 parallel laid is in the top of the multiple railway roadbed plate unit；The multiple railway roadbed plate unit edge
The extending direction of two rail 1 is arranged successively according to preset interval；And plate stitch 42 is formed between adjacent railway roadbed plate unit；
Wherein, each railway roadbed plate unit includes: road bed board 4, multiple double-block type sleepers 3 as described above and multiple fasteners 2；
The multiple double-block type sleeper 3 is evenly provided on 4 on road bed board along the extending direction of two rail 1, and described two
Bar rail 1 is fixedly connected by fastener 2 with concrete sleeper block 31.
Wherein, the railway roadbed plate unit is directly arranged on bridge ontology 6.
Overhead section of double-block type ballastless track structure described in the present embodiment is designed using single layer road bed board, and road bed board is directly set
It is placed on bridge ontology.It is overhead described in the present embodiment compared to " road bed board-base plate " double-layer structure system that high-speed rail uses
The double-block type ballastless track structure of section is simple, and track structure height reduces, and secondary dead load is small, has both reduced engineering material dosage,
The convenience of construction is improved again.
Embodiment three,
Present embodiments provide a kind of double-block type ballastless track structure of roadbed section, including multiple railway roadbed plate units and two
Rail 1,
Two rail, 1 parallel laid is in the top of the multiple railway roadbed plate unit；The multiple railway roadbed plate unit edge
The extending direction of two rail 1 is arranged successively according to preset interval；And plate stitch 42 is formed between adjacent railway roadbed plate unit；
Wherein, each railway roadbed plate unit includes: road bed board 4, multiple double-block type sleepers 3 as described above and multiple fasteners 2；
The multiple double-block type sleeper 3 is evenly provided on road bed board 4 along the extending direction of two rail 1, and described two
Bar rail 1 is fixedly connected by fastener 2 with concrete sleeper block 31.
In addition, preferably, the double-block type ballastless track structure is also wrapped in the another specific embodiment of the utility model
Include multiple reinforced concrete footing units 5, the multiple reinforced concrete footing unit 5 be set to multiple railway roadbed plate units it
Under, the multiple reinforced concrete footing unit 5 is layed on roadbed 7,
Wherein, each reinforced concrete footing unit 5 is equipped with N number of guidance tape bed unit, and wherein N is natural number.Preferably,
The N is 3 or 4.
The modular design of above-mentioned railway roadbed plate unit and reinforced concrete footing unit 5, compared to what is used in high-speed railway
Continuous structure greatly reduces the blockage effect of concrete, improves construction convenience and flexibility.
In addition, preferably, in the another specific embodiment of the utility model, the adjacent reinforced concrete footing unit
Expansion joint 53 is equipped between 5, the extending direction along the expansion joint 53 is equipped with more transmission rods 54, and the more transmission rods 54 are along two
The extending direction of bar rail 1 is arranged in parallel.
Wherein, reinforced concrete footing unit 5 is connected as entirety by the transmission rod 54, has both increased the entirety of structure
Property, and allowing a small amount of telescopic displacement in 5 end of reinforced concrete footing unit, release temperature stress improves the durability of structure.
In addition, preferably, each 4 bottom of road bed board is along two rail 1 in the another specific embodiment of the utility model
Extending direction set there are two positive stop lug boss 41, the reinforced concrete footing unit 5 is equipped with corresponding with the positive stop lug boss
Groove 51.
" concave-convex type " position limiting structure, this position limiting structure are set between above-mentioned road bed board 4 and reinforced concrete footing unit 5
It is stable and firm, the influence of external environment is avoided, durability is good.
In addition, preferably, the groove 51 is surrounded by elastic cushion in the another specific embodiment of the utility model
Layer 52.The elastic insert 52 can be relieved the contact stress between road bed board 4 and reinforced concrete footing unit 5, be conducive to mention
The durability of high orbit structure.
Example IV,
Present embodiments provide a kind of double-block type ballastless track structure of underground section, including multiple railway roadbed plate units and two
Rail 1,
Two rail, 1 parallel laid is in the top of the multiple railway roadbed plate unit；The multiple railway roadbed plate unit edge
The extending direction of two rail 1 is arranged successively according to preset interval；And plate stitch 42 is formed between adjacent railway roadbed plate unit；
Wherein, each railway roadbed plate unit includes: road bed board 4, multiple double-block type sleepers 3 as described above and multiple fasteners 2；
The multiple double-block type sleeper 3 is evenly provided on road bed board 4 along the extending direction of two rail 1, and described two
Bar rail 1 is fixedly connected by fastener 2 with concrete sleeper block 31.
In addition, preferably, the railway roadbed plate unit is directly arranged at tunnel in the another specific embodiment of the utility model
On road structure.
In addition, preferably, the road bed board element length is no more than in the another specific embodiment of the utility model
12.5m。
Double-block type sleeper involved in the utility model enhances the lateral stability of track structure using there is shoulder block design
Property.The utility model embodiment uses modular double-block type ballastless track structure, adapts to urban track traffic feature, conveniently applies
Work and maintenance, maintenance.The technology has filled up the blank of 120km~160km/h urban track traffic rail system technical field.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (10)
1. a kind of double-block type sleeper characterized by comprising two concrete sleeper blocks and two truss bars；
The top of two truss bars is fixedly connected with the bottom of described two concrete sleeper blocks respectively, and described two
Root truss bars are arranged in parallel；
Wherein, the concrete sleeper block includes: sleeper block body, vertical with truss bars two at the top of the sleeper block body
Side is equipped with the shoulder block to raise upward.
2. double-block type sleeper according to claim 1, which is characterized in that be equipped in the sleeper block body more stirrups and
More mesh sheet muscle；
The more mesh sheet muscle are located on the truss bars, and parallel with the truss bars, the more mesh sheet muscle phase
Mutually in parallel and positioned at same level；
The more stirrups are vertical with the more mesh sheet muscle, and the more stirrups are arranged along the extending direction of mesh sheet muscle；
Wherein, every stirrup includes: flat segments and the connector that is set to flat segments both ends and bends downward；
The flat segments of every stirrup are arranged on the more mesh sheet muscle, and the connector of every stirrup is articulated in two respectively
Truss bars wind up on muscle.
3. double-block type sleeper according to claim 1, which is characterized in that it is rounding corner structure on the outside of the shoulder block, it is described
Truss bars are English truss reinforcing bar.
4. a kind of double-block type ballastless track structure, which is characterized in that including multiple railway roadbed plate units and two rail,
Two rail parallel laids are in the top of the multiple railway roadbed plate unit；The multiple railway roadbed plate unit is along two bar steels
The extending direction of rail is arranged successively according to preset interval；And plate stitch is formed between adjacent railway roadbed plate unit；
Wherein, each railway roadbed plate unit includes: road bed board, multiple double-block type sleepers as described in claims 1 to 3 is any and more
A fastener；
The multiple double-block type sleeper is evenly provided on road bed board along the extending direction of two rail, and two rail are logical
Fastener is crossed to be fixedly connected with concrete sleeper block.
5. double-block type ballastless track structure according to claim 4, which is characterized in that at overhead section, the road bed board list
Member is directly arranged on bridge ontology.
6. double-block type ballastless track structure according to claim 4, which is characterized in that in roadbed section, the double-block type without
Tiny fragments of stone, coal, etc. track structure further includes multiple reinforced concrete footing units, and the multiple reinforced concrete footing unit is set to multiple roads
Under bed board unit,
Wherein, each reinforced concrete footing unit is equipped with N number of guidance tape bed unit, and wherein N is natural number.
7. double-block type ballastless track structure according to claim 6, which is characterized in that the adjacent reinforced concrete footing
Expansion joint is equipped between unit, the extending direction along the expansion joint is equipped with more transmission rods, and the more transmission rods are along two bar steels
The extending direction of rail is arranged in parallel.
8. double-block type ballastless track structure according to claim 6, which is characterized in that each road bed board bottom is along two bar steels
The extending direction of rail is set there are two positive stop lug boss, and the reinforced concrete footing unit is equipped with corresponding with the positive stop lug boss
Groove.
9. double-block type ballastless track structure according to claim 8, which is characterized in that the groove is surrounded by elasticity
Bed course.
10. double-block type ballastless track structure according to claim 4, which is characterized in that in underground section, the road bed board list
Member is directly arranged on tunnel structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821592829.5U CN209412614U (en) | 2018-09-28 | 2018-09-28 | A kind of double-block type sleeper and double-block type ballastless track structure |
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| CN201821592829.5U CN209412614U (en) | 2018-09-28 | 2018-09-28 | A kind of double-block type sleeper and double-block type ballastless track structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565450A (en) * | 2019-09-26 | 2019-12-13 | 中铁五局集团有限公司 | Rigid short-circuit base section double-block ballastless track structure and construction method |
| CN110725160A (en) * | 2019-10-11 | 2020-01-24 | 南京地铁建设有限责任公司 | Double-block type point-support floating slab track bed structure |
| CN111455738A (en) * | 2020-04-11 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Movable rail bearing groove sleeper |
| CN111455739A (en) * | 2020-04-11 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Combined sleeper |
| CN111945483A (en) * | 2020-08-25 | 2020-11-17 | 中铁二院工程集团有限责任公司 | Track panel type long-sleeper embedded ballastless track and construction method thereof |
| CN114232391A (en) * | 2021-12-14 | 2022-03-25 | 中铁第四勘察设计院集团有限公司 | CFT (cement fly-ash gravel) sleeper type ballastless track and construction method thereof |
| CN115787365A (en) * | 2023-01-03 | 2023-03-14 | 内蒙古中铁轨枕制造有限公司 | Concrete ballastless sleeper and forming die |
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2018
- 2018-09-28 CN CN201821592829.5U patent/CN209412614U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565450A (en) * | 2019-09-26 | 2019-12-13 | 中铁五局集团有限公司 | Rigid short-circuit base section double-block ballastless track structure and construction method |
| CN110725160A (en) * | 2019-10-11 | 2020-01-24 | 南京地铁建设有限责任公司 | Double-block type point-support floating slab track bed structure |
| CN111455738A (en) * | 2020-04-11 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Movable rail bearing groove sleeper |
| CN111455739A (en) * | 2020-04-11 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Combined sleeper |
| CN111945483A (en) * | 2020-08-25 | 2020-11-17 | 中铁二院工程集团有限责任公司 | Track panel type long-sleeper embedded ballastless track and construction method thereof |
| CN114232391A (en) * | 2021-12-14 | 2022-03-25 | 中铁第四勘察设计院集团有限公司 | CFT (cement fly-ash gravel) sleeper type ballastless track and construction method thereof |
| CN114232391B (en) * | 2021-12-14 | 2024-07-16 | 中铁第四勘察设计院集团有限公司 | CFT sleeper-type ballastless track and construction method thereof |
| CN115787365A (en) * | 2023-01-03 | 2023-03-14 | 内蒙古中铁轨枕制造有限公司 | Concrete ballastless sleeper and forming die |
| CN115787365B (en) * | 2023-01-03 | 2023-10-20 | 内蒙古中铁轨枕制造有限公司 | Concrete ballastless sleeper and forming die |
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