CN206109881U - Be fit for whole prestressed concrete long sleeper of tram groove rail - Google Patents
Be fit for whole prestressed concrete long sleeper of tram groove rail Download PDFInfo
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- CN206109881U CN206109881U CN201620976274.9U CN201620976274U CN206109881U CN 206109881 U CN206109881 U CN 206109881U CN 201620976274 U CN201620976274 U CN 201620976274U CN 206109881 U CN206109881 U CN 206109881U
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- sleeper
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Abstract
The utility model discloses a be fit for whole prestressed concrete long sleeper of tram groove rail, long sleeper's both sides an organic whole respectively are formed with shoulder and the support rail face of keeping off, the section size at long sleeper both ends is greater than middle section size. The beneficial effects are that: because concrete long sleeper both sides evenly are provided with shoulder and the support rail face of keeping off, have consequently improved orbital lateral resistance effectively, guarantee orbital stability to for groove steel rail provides effective reasonable support slope, for a round rail coupling provides fine condition, more be favorable to the steady operation of train. Especially this sleeper is applicable to tram groove steel rail, and the main effect of this sleeper is passed through the fastener with groove rail to assemble into the section of track, and then pours to concrete concrete again, also can be used to ballast.
Description
Technical field
This utility model is related to a kind of part in traffic engineering field；More particularly to a kind of streetcar track traffic is complete
The long sleeper of portion's prestressed concrete.
Background technology
Tramcar traffic system has the advantages that transport power is big, speed is high, comfortable novel and resilient flexible, with subway, light
The traffic of the conventional rails such as rail has complementarity, is a kind of novel rail instrument with good development prospect.
Sleeper is the important subsystem of track traffic rail system, and it directly affects the even whole track traffic of rail system
The safe operation of system, and sleeper can cause geometry state, stability of rail system etc. to become due to the different of mechanical characteristic
Difference.Sleeper is also indispensable important component part in state's rail road, and according to material sleeper and concrete crosstie can be divided into.
Although sleeper can provide some elasticity, the service life of sleeper is short, and later maintenance cost is higher, therefore sleeper is gradually mixed
Solidifying soil pillow is replaced.Concrete crosstie can then overcome the shortcoming of sleeper, therefore application is more universal.But state's ferrum is due to its axle weight and lotus
Carry larger, therefore the specification of sleeper is also very high.In order to adapt to the needs of railroad car, need badly according to the axle weight of tramcar
And loading condition, re-start sleeper design.
Easily there is crack in tensile region in use in normal concrete pillow, therefore substantially reduces making for concrete crosstie
Use the life-span.The application of prestressed concrete technology primarily to make up the phenomenon that crack occurs too early in concrete, in component plus
Carry（Use）Before, concrete one precompression of applying is given in advance, i.e., in the tensile region of concrete, with the side of artificial reinforcing
Method, by reinforcing bar tensioning is carried out, and using the retraction force of reinforcing bar, makes concrete in tension area be stressed in advance.It is this store it is pre-
Plus-pressure, when component bears produces pulling force by external load, offsets first the precompression in concrete in tension zone, then with load
Increase, just make concrete in tension, which limits the elongation of concrete, delay or do not make crack to occur.According to prestress
Big I is divided into fully prestressed concrete and partially prestressed concrete, and according to the tension sequence of prestress pre-tensioning system can be divided into
And post stretching.
Sleeper is primarily subjected to train load as the important component part of rail system, and is chronically exposed to nature ring
In border, therefore crack requirement of the sleeper to concrete is higher, must adopt fully prestressed concrete technology.Current streetcar track
Railway roadbed mainly adopts solid concrete roabed, and sleeper adopts the short sleeper of concrete, fastener to be elastic separated rail fastening.This kind of concrete
There is many deficiencies in terms of gauge, rail cant and railway roadbed globality is kept in short sleeper.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of intensity height, and structural stability is good, geometry state
It is good, and can strictly control the long sleeper of tramcar grooved rail prestressed concrete of generation and the development of distress in concrete.
The technical scheme that this utility model is adopted is：A kind of suitable tramcar grooved rail whole prestressed concrete is long
Sleeper, the both sides of long sleeper are formed with respectively shoulder block and support rail face；The sectional dimension at long sleeper two ends is cut more than middle
Face size.
The anchor hole of fastener for installing is formed with the long sleeper, in the anchor hole stirrup is provided with；Long sleeper side
It is provided with solid concrete roabed assembly hole；Long sleeper bottom surface is provided with decorative pattern, strengthens the lateral resistance of sleeper.
The gradient is provided with the support rail face for 1：40 rail cant；The shape and size of the shoulder block are mutually fitted with apron block
Match somebody with somebody.
The beneficial effects of the utility model are：Because concrete long sleeper both sides are evenly arranged with shoulder block and support rail face, because
This is effectively improved the lateral resistance of track, it is ensured that the stability of track, and provides effective and reasonable propping up for groove-shape rail
The support gradient, for wheel track coupling good condition is provided, and is more beneficial for the stable operation of train.Particularly the sleeper is applied to and has
Rail electric car groove-shape rail, the Main Function of the sleeper is that grooved rail is assembled into into the section of track by fastener, and then is poured again as coagulation
Native solid concrete roabed；Also can be used for ballast bed.
Description of the drawings
Fig. 1 is this utility model concrete long sleeper and groove-shape rail assembling figure；
Fig. 2 is the elevational schematic view of this utility model concrete long sleeper；
Fig. 3 is the floor map of this utility model concrete long sleeper.
In figure：
1st, screw spike 2, nut 3, plain washer
4th, II type spring 5, gauge apron 6, apron block
7th, rubber tie plate under rail 8, concrete long sleeper 9, groove-shape rail
10th, shoulder block 11, support rail face 12, anchor hole 13, solid concrete roabed assembly hole.
Specific embodiment
This utility model is described in further detail with reference to the accompanying drawings and detailed description：
The geometry state of track includes gauge, rail cant, level, direction, elevation of track etc., and the geometry state is also direct
The comfort level of passenger, the stationarity of train operation are affected, or even affects the traffic safety of train.Concrete long sleeper is keeping
Track geometry status aspect has obvious advantage.Particularly concrete long sleeper employs whole prestressed concrete technologies,
Ensure that sleeper is not in crack under load action, extend the service life of sleeper.
As shown in Figure 1 to Figure 3, this utility model is adapted to the long sleeper of tramcar grooved rail whole prestressed concrete,
In the case of ensureing sleeper reasonable stress, reduce the sectional dimension of concrete long sleeper 8 as far as possible, therefore long sleeper two ends are cut
Face size is more than middle sectional dimension.The bottom surface of long sleeper 8 is provided with decorative pattern, strengthens the lateral resistance of sleeper, for rubble
During railway roadbed, it is possible to ensure the lateral stability of track as far as possible, particularly in 3 in Curve Segment, track sidesway can be prevented.
The both sides of long sleeper are formed with respectively shoulder block 10 and support rail face 11, i.e. concrete support rail face 11 and concrete shoulder block 10 exist
Concrete long sleeper 8 is poured together when pouring and completed, and concrete shoulder block 10 can improve the lateral resistance of track, improves track
Lateral stability, while concrete shoulder block 10 makes gauge be guaranteed；The gradient is provided with support rail face 11 for 1：40 rail
Base slope, the shape and size of the shoulder block 10 are adapted with apron block 6.
The anchor hole 12 of centrosymmetrical fastener for installing is formed with long sleeper, facilitates the installation of grooved rail dedicated fastener,
That is, anchor hole 12 is mainly reserved for the anchoring of screw spike 1, anchor hole 12 when casting concrete long sleeper 8
It is reserved, and stirrup is provided with hole.Concrete long sleeper side is provided with 5 solid concrete roabed assembly holes 13, when long sleeper 8
During for solid concrete roabed, the upper strata longitudinal reinforcement of railway roadbed is passed through from solid concrete roabed assembly hole 13, with lower floor longitudinal reinforcement, horizontal steel
Together colligation, into railway roadbed bar-mat reinforcement, finally pours again railway roadbed concrete to muscle, that is, complete the construction of solid concrete roabed.
When concrete long sleeper is installed with fastener, first screw spike 1 is anchored in anchor hole 12 by Anchor Agent, will
Rubber blanket 7 is placed on below groove-shape rail 9 under rail, and apron block 6 is placed on concrete shoulder block 10, then will be with the size of apron block 6
Consistent gauge apron 5 is pressed on apron block 6 through screw spike 1, then places II type spring 4, plain washer 3, nut 2,
Afterwards nut is screwed onto into prescribed torque.So far groove-shape rail 9 has just been assembled into the section of track with concrete long sleeper 8.
The all compressor wires of steel bar stress of this utility model concrete long sleeper 8, concrete adopts C60 coagulations
Soil.Manufacturing process preferably adopts pre-tensioning system construction technology.Screw spike 1 is anchor bolt, and material is Q235-A, is installed in fastener
Need that screw spike 1 is anchored in the middle of concrete long sleeper 8 with Anchor Agent in journey.The material of rubber blanket 7 is neoprene rubber under rail
Glue, is placed between groove-shape rail 9 and concrete long sleeper 8, plays a part of stiffness transition.
The long sleeper of this utility model prestressed concrete not only can provide enough intensity for train operation, moreover it is possible to carry significantly
High orbit structural stability, can be good at ensureing the globality of left and right stock rail, and the ability in terms of gauge is kept also is obtained
Raising is arrived, has kept the ability of track geometry status to be also improved in 3 in Curve Segment in addition.This pre stressed concrete sleeper both can be with
For solid concrete roabed, can also be used for ballast bed.（1）Concrete long sleeper employs fully prestressed concrete technology, it is ensured that
Sleeper is not in crack under load action, extends the service life of sleeper.（2）Concrete long sleeper is provided with shoulder block,
The lateral resistance of track is effectively improved, and ensure that the stability of track.（3）Concrete long sleeper is provided with support rail
Face, for groove-shape rail supporting surface is provided；Symmetric form anchor hole is reserved in support rail face, it is ensured that sleeper uniform force, has been not in
By the state of torsion；And rail cant is provided with support rail face, provide good condition to wheel track coupling.（4）Prestressed concrete
Long sleeper is assembled into the section of track with groove-shape rail by fastener, improves the globality of the section of track, and can be good at keeping track
Geometry state, especially keeps track geometry status ability more to project in 3 in Curve Segment；（5）Prestressed reinforced concrete tie is reserved
Solid concrete roabed anchor hole, it is ensured that the globality of railway roadbed；When this sleeper is still used for ballast bed, work can be to greatest extent reduced
Journey expense.
Claims (3)
1. a kind of long sleeper of suitable tramcar grooved rail whole prestressed concrete, it is characterised in that the both sides of long sleeper point
Shoulder block is not formed with it（10）With support rail face（11）；The sectional dimension at long sleeper two ends is more than middle sectional dimension.
2. the long sleeper of suitable tramcar grooved rail whole prestressed concrete according to claim 1, it is characterised in that
The anchor hole of fastener for installing is formed with the long sleeper（12）, the anchor hole（12）In be provided with stirrup；Long sleeper side
It is provided with solid concrete roabed assembly hole（13）；Long sleeper（8）Bottom surface is provided with decorative pattern, strengthens the lateral resistance of sleeper.
3. the long sleeper of suitable tramcar grooved rail whole prestressed concrete according to claim 1, it is characterised in that
The support rail face（11）On be provided with the gradient for 1：40 rail cant；The shoulder block（10）Shape and size and apron block（6）
It is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620976274.9U CN206109881U (en) | 2016-08-29 | 2016-08-29 | Be fit for whole prestressed concrete long sleeper of tram groove rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620976274.9U CN206109881U (en) | 2016-08-29 | 2016-08-29 | Be fit for whole prestressed concrete long sleeper of tram groove rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206109881U true CN206109881U (en) | 2017-04-19 |
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ID=58513730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620976274.9U Active CN206109881U (en) | 2016-08-29 | 2016-08-29 | Be fit for whole prestressed concrete long sleeper of tram groove rail |
Country Status (1)
| Country | Link |
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| CN (1) | CN206109881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183525A (en) * | 2018-08-30 | 2019-01-11 | 广州地铁设计研究院股份有限公司 | A kind of ballastless track long sleeper suitable for tramcar groove profile rail |
-
2016
- 2016-08-29 CN CN201620976274.9U patent/CN206109881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183525A (en) * | 2018-08-30 | 2019-01-11 | 广州地铁设计研究院股份有限公司 | A kind of ballastless track long sleeper suitable for tramcar groove profile rail |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300142 Hebei District, Zhongshan Road, No. 10, Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Third Survey and Design Institute Group Ltd. |