CN104947566A - Assembled grade crossing - Google Patents
Assembled grade crossing Download PDFInfo
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- CN104947566A CN104947566A CN201510374792.3A CN201510374792A CN104947566A CN 104947566 A CN104947566 A CN 104947566A CN 201510374792 A CN201510374792 A CN 201510374792A CN 104947566 A CN104947566 A CN 104947566A
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Abstract
The invention provides an assembled grade crossing with compact structure, good integrity, stress uniformity, simplicity in construction, long maintenance cycle and low maintenance cost. The assembled grade crossing comprises a graded broken stone layer, an integral road bed and a track, wherein the graded broken stone layer is laid on a foundation of the railroad grade crossing; the integral road bed is arranged on the graded broken stone layer, and two grooves used for mounting the track are formed in the upper surface of the integral road bed; and the track is mounted in the grooves used for mounting the track. The assembled grade crossing is simple to construct, construction speed is high, construction time is shortened, normal traffic can be restored in the shortest time, and construction cost is reduced; meanwhile, the problems that a circuit is hung on a plate, mud pumping is caused and a grade crossing plate is broken can be solved.
Description
Technical field
The present invention relates to a kind of level crossing, particularly relate to a kind of assembly type level crossing.
Background technology
Level crossing is the road junction of railway and highway intersection, and it is little through the traffic volume of being everlasting, or does not have to use when condition setting flyover crossing, especially can use in large-scale harbour.And in such major port, railway, highway transportation are very busy, the railway level-crossing as railway, highway necessary channel is throat and the weakest link of railway and highway transportation.
Current, level crossing mainly has typical traditional railway road junction and two kinds, track-panel type level crossing form.The paving mode at typical case traditional railway road junction is: on railway roadbed, lay sleeper by spacing 0.5m, be connected by rail with railway spike with sleeper.Fill between sleeper railway ballast and with stone nitre and sand levelling at surface layer, finally between check rail He outside rail, lay paving plate.
Typical case traditional railway road junction has construction simple, advantage easy to maintenance, but traditional railway road junction structural strength is low, globality is poor.Along with China's rapid development of economy, heavy, the instrumentation of large-tonnage vehicle is more and more extensive.In the process of large-tonnage vehicle instrumentation, circuit boatswain chair, to rise soil, the problems such as paving plate are cracked are more and more serious.The compression of maintenance cycle in addition, the control of maintenance cost, traditional railway road junction form has been not suitable for the specific requirement under current national economy.
In order to solve the deficiency at traditional railway road junction, propose track-panel type level crossing.This road junction substructure is the same with traditional railway road junction, and difference is portion's surface layer in the heart.Road, track-panel type level crossing heart surface layer adopts the lumps of wood and the good relayable rail of outward appearance to fill, and becomes an entirety with long draw lateral connection.
Although the utilization of track-panel type level crossing well overcomes the shortcoming of traditional railway road junction globality deficiency, due to the limitation of its structural design, the various disease of paving plate and the problem of rising soil of the road heart outside rail still can not be overcome.
Summary of the invention
The present invention be directed to problems of the prior art to propose, its object is to the assembly type level crossing providing a kind of compact conformation, good integrity, uniform force, construction is simple, life cycle is long, maintenance cost is low.
Following technical scheme is adopted for realizing object of the present invention.
The assembly type level crossing of technical scheme 1, has: graded broken stone layer, and it is laid on basis, road junction; Solid concrete roabed, it is arranged on described graded broken stone layer, is formed with 2 track installation grooves at the upper surface of described solid concrete roabed; Track, it is arranged in described track installation groove.
The assembly type level crossing of technical scheme 2, in the assembly type level crossing of technical scheme 1, described track is connected with the bottom land of described track installation with groove with resilient sleeper-bearing across iron chair successively.
The assembly type level crossing of technical scheme 3, in the assembly type level crossing of technical scheme 2, the both sides of the track bearing of trend of described assembly type level crossing form the excessive section of railway roadbed, and the excessive section of described railway roadbed is provided with sleeper.
The assembly type level crossing of technical scheme 4, in the assembly type level crossing any one of technical scheme 1 to 3, described solid concrete roabed is formed by connecting by multiple split railway roadbed.
Compared with prior art, the present invention has following beneficial effect.
According to the assembly type level crossing of technical scheme 1, it arranges the solid concrete roabed of concrete on graded broken stone layer, attachment rail in the track installation groove of solid concrete roabed, just can form level crossing by assembling.
According to above-mentioned assembly type level crossing, due to when building such level crossing, do not need to lay sleeper, as long as lift solid concrete roabed prefabricated section on graded broken stone layer, then laying-out, and use cement mortar embedding, finally carry out, along connecing, just can forming level crossing to the highway pavement rolled asphalt of both sides, road junction.Therefore compare with the mode of the field fabrication of track-panel type level crossing with typical traditional railway road junction, construction is simple, and construction speed is fast, reduces the construction time, can reply normal pass, reduce construction expense within the shortest time.
In addition, when precast monolithic railway roadbed block, according to road junction width, can increase prefabricated section length, development is maximum at present reaches 6.5 meters, every block weight reaches more than 17 tons, cementation of fissures quantity can be reduced like this, improve the stability at road junction, globality, smooth degree, be integrally formed railway roadbed in addition, reduce elasticity, improve stability, globality, the smooth degree of the overall railway level-crossing of assembly type further.In addition, owing to passing through concrete for making solid concrete roabed, stability, globality is strong, therefore be difficult to occur the such circuit boatswain chair in typical traditional railway road junction and track-panel type level crossing, rise soil, the problems such as paving plate are cracked, thus improve the durability of level crossing, life cycle is elongated, reduces maintenance cost.
In addition, according to the assembly type level crossing of technical scheme 2, track is connected with the bottom land of track installation with groove with resilient sleeper-bearing across iron chair successively, orbital direction can be adjusted by iron chair, track is extended in the horizontal direction, ensure that the track of level crossing and the track of both sides are on same straight line, additionally by resilient sleeper-bearing can cushioning rail to the impact of railway roadbed.
In addition, according to the assembly type level crossing of technical scheme 3, railway roadbed changeover portion is formed in the both sides of level crossing, changeover portion installs sleeper, be connected with the track of both sides of highway, therefore be convenient to the installation of level crossing, and reduce solid concrete roabed rigid foundation and the basic difference brought of common line, accept conveniently with the track of both sides of highway.In addition, sleeper is set in changeover portion encryption, which thereby enhances the supportive of changeover portion to track, ensure the stability of level crossing entirety.
In addition, according to the assembly type level crossing of technical scheme 4, solid concrete roabed can be formed by connecting by multiple split railway roadbed, because road junction width reaches tens meters sometimes, if be now integrally formed solid concrete roabed by concrete, the solid concrete roabed hoisting difficulty then produced is large, and be not easy to transport, and by making the split railway roadbed of regulatory specifications, then connected by concrete after mounting, be easy to manufacture, be convenient to transport, save cost, and the globality of the solid concrete roabed after connection can not be damaged.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic representing assembly type level crossing of the present invention.
Detailed description of the invention
Below, based on accompanying drawing, the assembly type level crossing as an example of the present invention is described.
Fig. 1 is the cross-sectional schematic representing assembly type level crossing of the present invention.
As shown in Figure 1, assembly type level crossing of the present invention, has graded broken stone layer 10, solid concrete roabed 20 and track 30.
Graded broken stone layer 10 is laid on basis, road junction.Solid concrete roabed 20 is arranged on graded broken stone layer 10, is formed with 2 track installation grooves 21 at the upper surface of solid concrete roabed 20.Track 30 is arranged in track installation groove 21.
When building such level crossing, as long as lift solid concrete roabed prefabricated section on graded broken stone layer, then laying-out, and use cement mortar embedding, finally carry out, along connecing, just can forming level crossing to the highway pavement rolled asphalt of both sides, road junction.
Specifically, the basis of level crossing is laid the graded broken stone layer of thick 15cm to 30cm, flattens basic surface layer, then solid concrete roabed is set on graded broken stone layer.Solid concrete roabed adopts that C40 is reinforced concrete prefabricated forms, and eliminate the sleeper in line track, prefabricated solid concrete roabed block specifications length is 5 to 6 meters, and width is 2.4 meters, and thickness is 0.45 meter.Every block solid concrete roabed is reserved railtrack grooves and the spiral channel nail of 2.21 × 0.285 × 0.195m.By good for the anchoring of screw spike TD Anchor Agent before construction, and detect screw spike uplift resistance and whether meet designing requirement, in construction, precast plate numbering is lifted one by one.Then, in the track installation groove of solid concrete roabed, by Ι type adjustable height fastener, rail is connected with solid concrete roabed.Finally, adopt bituminous concrete at both sides, level crossing highway pavement, according to construction of the highway standard implementation along connecing.
According to above-mentioned assembly type level crossing, due to when building such level crossing, do not need to lay sleeper, as long as lift solid concrete roabed prefabricated section on graded broken stone layer, then laying-out, and use cement mortar embedding, finally carry out, along connecing, just can forming level crossing to the highway pavement rolled asphalt of both sides, road junction.Therefore compare with the mode of the field fabrication of track-panel type level crossing with typical traditional railway road junction, construction is simple, and construction speed is fast, reduces the construction time, can reply normal pass, reduce construction expense within the shortest time.
In addition, when precast monolithic railway roadbed block, according to road junction width, can increase prefabricated section length, development is maximum at present reaches 6.5 meters, every block weight reaches more than 17 tons, cementation of fissures quantity can be reduced like this, improve the stability at road junction, globality, smooth degree, be integrally formed railway roadbed in addition, reduce elasticity, improve stability, globality, the smooth degree of the overall railway level-crossing of assembly type further.In addition, owing to passing through concrete for making solid concrete roabed, stability, globality is strong, therefore be difficult to occur the such circuit boatswain chair in typical traditional railway road junction and track-panel type level crossing, rise soil, the problems such as paving plate are cracked, thus improve the durability of level crossing, life cycle is elongated, reduces maintenance cost.In addition, as shown in the table, obviously can reduce maintenance cost, extend life cycle etc.
All types of level crossings maintenance cost comparison sheet (every railway level-crossing width 20 linear meter)
In addition, track 30 can be connected with the bottom land of track installation with groove 21 with resilient sleeper-bearing 50 across iron chair 40 successively.Like this, can orbital direction be adjusted by iron chair, track is extended in the horizontal direction, ensure that the track of level crossing and the track of both sides are on same straight line, in addition, resilient sleeper-bearing comprises polyethylene backing plate or rubber mat plate etc., by resilient sleeper-bearing can cushioning rail to the impact of railway roadbed.
In addition, the both sides of the track bearing of trend of assembly type level crossing can form the excessive section of railway roadbed, and the excessive section of railway roadbed is provided with sleeper.Therefore be convenient to the installation of level crossing, and reduce solid concrete roabed rigid foundation and the basic difference brought of common line, accept conveniently with the track of both sides of highway.In addition, sleeper is set in changeover portion encryption, which thereby enhances the supportive of changeover portion to track, ensure the stability of level crossing entirety.
In addition, solid concrete roabed is formed by connecting by multiple split railway roadbed.Because road junction width reaches tens meters sometimes, if be now integrally formed solid concrete roabed by concrete, the solid concrete roabed hoisting difficulty then produced is large, and be not easy to transport, and by making the split railway roadbed of regulatory specifications, then connected by concrete after mounting, be easy to manufacture, be convenient to transport, save cost, and the globality of the solid concrete roabed after connection can not be damaged.
In addition, assembly type level crossing of the present invention, can be formed by above-mentioned various textural associations, can play above-mentioned effect equally.
Above the assembly type level crossing of the preferred embodiment of the present invention is illustrated, but the present invention is not limited to above-mentioned concrete embodiment, only otherwise depart from the scope of claim, can various distortion or change be carried out.Present invention resides in the various distortion in the scope of claim and change.
Claims (4)
1. an assembly type level crossing, is characterized in that,
Have:
Graded broken stone layer, it is laid on basis, road junction;
Solid concrete roabed, it is arranged on described graded broken stone layer, is formed with 2 track installation grooves at the upper surface of described solid concrete roabed;
Track, it is arranged in described track installation groove.
2. assembly type level crossing according to claim 1, is characterized in that, described track is connected with the bottom land of described track installation with groove with resilient sleeper-bearing across iron chair successively.
3. assembly type level crossing according to claim 2, is characterized in that, the both sides of the track bearing of trend of described assembly type level crossing form the excessive section of railway roadbed, and the excessive section of described railway roadbed is provided with sleeper.
4. assembly type level crossing according to any one of claim 1 to 3, is characterized in that, described solid concrete roabed is formed by connecting by multiple split railway roadbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374792.3A CN104947566A (en) | 2015-07-01 | 2015-07-01 | Assembled grade crossing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374792.3A CN104947566A (en) | 2015-07-01 | 2015-07-01 | Assembled grade crossing |
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| CN104947566A true CN104947566A (en) | 2015-09-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568809A (en) * | 2015-12-21 | 2016-05-11 | 武钢集团昆明钢铁股份有限公司 | Railway crossing laying method for metallurgical enterprises |
| CN109137633A (en) * | 2018-10-31 | 2019-01-04 | 鞍山龙兴铁路设备制造有限公司 | Level crossing mouth railway roadbed and preparation method |
| CN112064424A (en) * | 2020-08-07 | 2020-12-11 | 上海远通路桥工程有限公司 | Quick construction method for road section track at level crossing |
| CN112281549A (en) * | 2020-10-26 | 2021-01-29 | 成都市新筑路桥机械股份有限公司 | Quick construction method for level crossing track |
| CN113338093A (en) * | 2021-08-06 | 2021-09-03 | 中国土木工程集团有限公司 | Method for rebuilding and expanding existing railway and newly-built railway of port area freight yard in conflict |
-
2015
- 2015-07-01 CN CN201510374792.3A patent/CN104947566A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568809A (en) * | 2015-12-21 | 2016-05-11 | 武钢集团昆明钢铁股份有限公司 | Railway crossing laying method for metallurgical enterprises |
| CN109137633A (en) * | 2018-10-31 | 2019-01-04 | 鞍山龙兴铁路设备制造有限公司 | Level crossing mouth railway roadbed and preparation method |
| CN112064424A (en) * | 2020-08-07 | 2020-12-11 | 上海远通路桥工程有限公司 | Quick construction method for road section track at level crossing |
| CN112064424B (en) * | 2020-08-07 | 2022-05-17 | 上海远通路桥工程有限公司 | Quick construction method for road section track at level crossing |
| CN112281549A (en) * | 2020-10-26 | 2021-01-29 | 成都市新筑路桥机械股份有限公司 | Quick construction method for level crossing track |
| CN113338093A (en) * | 2021-08-06 | 2021-09-03 | 中国土木工程集团有限公司 | Method for rebuilding and expanding existing railway and newly-built railway of port area freight yard in conflict |
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Application publication date: 20150930 |