CN210194342U - Longitudinal-connection track plate structure - Google Patents
Longitudinal-connection track plate structure Download PDFInfo
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- CN210194342U CN210194342U CN201920964562.6U CN201920964562U CN210194342U CN 210194342 U CN210194342 U CN 210194342U CN 201920964562 U CN201920964562 U CN 201920964562U CN 210194342 U CN210194342 U CN 210194342U
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Abstract
The utility model relates to a indulge even track plate structure belongs to track and bridge engineering technical field, including a plurality of vertical, the track slab roof beams of interval laying, a plurality of track slab roof beams of long sector or full line are linked together by the vertical lacing wire between the roof beam board, and track slab roof beam top surface has two parallels, spaced support rail groove. Two adjacent track slab beams are connected together by longitudinal tie bars between two symmetrically arranged beam slabs, and the track slab beams are post-tensioned prestressed concrete slab beams. The utility model discloses a vertical lacing wire links together a plurality of rail plate roof beams and forms long district's section of jurisdiction or full line and indulges even plate beam between roof beam board. When one end of the track plate beam is stressed, the other end of the track plate beam is pulled by the longitudinal tie bar so as not to lower the head downwards and tilt upwards, and the overall stability of the track can be enhanced.
Description
Technical Field
The utility model relates to a track and bridge engineering technical field especially relate to a indulge and link track slab structure.
Background
Railroad bridges are structures that a railroad spans a river, lake, straits, valley or other obstacle, and are constructed to achieve a grade crossing of a railroad line with a railroad line or road. The railway bridge is divided into a railway bridge and a highway and railway dual-purpose bridge according to the application; the bridge is divided into a beam bridge, an arch bridge, a rigid frame bridge, a suspension bridge, a cable-stayed bridge, a combined system bridge and the like according to the structure. The railway bridge is mostly a beam bridge. The bridge is the most widely used bridge type and can be subdivided into a simple girder bridge, a continuous girder bridge and a cantilever girder bridge.
With the development of social economy, the construction requirements of traffic facilities are more and more increased. The track is necessary for people to live as an infrastructure. When a rail is formed, a plurality of rail plates are paved along a rail line, and when a rail vehicle passes through, wheels roll two ends of each rail plate in sequence to enable the rail plates to be prone, so that the plate beam vibrates frequently and is accelerated to be damaged; while affecting train comfort.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a indulge even track plate structure can prevent that the track board from this rising and lying on the ground, strengthens orbital overall stability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the longitudinal-connection track plate structure comprises a plurality of longitudinal track plate beams laid at intervals, a plurality of track plate beams in a long section or a whole line are connected together by longitudinal tie bars between beam plates, and two parallel and spaced track bearing grooves are arranged on the top surfaces of the track plate beams.
Furthermore, two adjacent rail plate beams are connected together by longitudinal lacing wires between two symmetrically arranged beam plates.
Furthermore, the rail plate girder is a prestressed concrete plate girder.
Further preferably, the track plate girder is a post-tensioned prestressed concrete plate girder.
Furthermore, a concave rail bearing groove is arranged in the top surface of the rail plate beam and penetrates through two end surfaces of the rail plate beam.
Furthermore, a lacing wire hole for installing a longitudinal lacing wire between the beam plates is reserved on the rail plate beam, and the longitudinal lacing wire between the beam plates is installed at the lacing wire hole.
Furthermore, the rail plate beam is a frame plate with a hollow part in the center, and two ends of the lacing wire hole respectively penetrate through the hollow part and one end face of the plate body.
Further, indulge even track plate structure and still include spacing protruding type and keep off the platform, the both ends of track slab beam have with spacing protruding type keep off the restraint breach that the platform matches, the vertical top surface and the bottom surface that run through track slab beam of restraint breach, spacing protruding type keeps off the platform dress in the restraint breach.
Preferably, the restriction notch is U-shaped or semicircular, and two adjacent rail plate beams share the same limiting convex baffle platform.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a vertical lacing wire links together a plurality of rail plate roof beams and forms long sector section or full line and indulges even rail plate roof beam. When one end of the rail plate beam is stressed, the other end of the rail plate beam is pulled by the longitudinal tie bar so as not to bow downwards and tilt upwards, and the overall stability of the rail and the stability and comfort of the train can be enhanced.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a front view of the plate body;
fig. 4 is a top view of the plate body;
fig. 5 is a left side view of the plate body;
in the figure: the steel plate comprises 1-rail plate beams, 2-steel rails, 3-embedded hoisting sleeves, 4-longitudinal tie bars between beam plates, 5-third rail support fixing pipe sleeves, 6-limiting convex baffle platforms, 11-rail bearing grooves, 12-constraint gaps, 13-tie bar holes, 14-hollows, 15-longitudinal post-tensioned pre-stressed duct and 16-plate bodies.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a longitudinally-connected track slab structure, which comprises a plurality of track slab beams 1. A plurality of track plate girders 1 are longitudinally laid at intervals, a plurality of track plate girders 1 in long sections or whole lines are connected together by beam-plate longitudinal tie bars 4, and the top surface of the track plate girders 1 is provided with two parallel and spaced track bearing grooves 11. Preferably, two adjacent track plate beams 1 are connected together by two symmetrically arranged beam plate longitudinal tie bars 4.
The track plate beam 1 is limited by the limit convex block platform 6. The two ends of the track plate beam 1 are provided with constraint notches 12 matched with the limit convex type blocking platforms, and the single plate body 16 can be limited by assembling the constraint notches 12 with the limit convex type blocking platforms 6. The constraint gap 12 is U-shaped or semicircular, two adjacent rail plate beams 1 share the same limiting convex baffle platform 6, and the steel rail 2 is arranged in the rail bearing groove 11.
The track plate beam 1 is a prestressed concrete plate beam. In the embodiment, the track plate girder 1 is a post-tensioned prestressed concrete plate girder. The track plate beam 1 adopts the chopped sand concrete of the brown fiber, in order to increase the crack resistance of the track plate beam.
As shown in fig. 1-5, the track plate beam 1 includes a plate body 16, and a longitudinal post-tensioned pre-stressed duct 15 and a tie bar hole 13 for installing a longitudinal tie bar between the beam plate and the plate are reserved in the plate body 16. The number of the longitudinal post-tensioned prestressed tunnels 15 is set according to the requirement. By penetrating the prestressed tendons in the longitudinal post-tensioned prestressed duct 15, the prestressed tendons are prestressed before the plate body 16 is subjected to an external force, so that the prestressed is applied in advance in the plate body 16, the plate body 16 is subjected to a compressive stress, and the plate body is deformed to a certain extent, thereby improving the bending resistance and the rigidity of the plate body.
In this embodiment, the plate body 16 is a frame plate, and the center thereof has a hollow 14, and the lacing hole 13 penetrates through the hollow 14 and the end surface of the plate body 16. The longitudinal lacing wires 4 between the beam plates are arranged at the lacing wire holes 13.
In order to avoid short wave irregularity, the top surface of the plate body 16 is provided with a concave rail bearing groove 11 for embedding a steel rail, the rail bearing groove 11 longitudinally penetrates through two end surfaces of the plate body 16, and two rail bearing grooves 11 are arranged in parallel at intervals. The "top surface" in this embodiment refers to the upper surface of the plate body 16 when mounted for use. Two groups of longitudinal post-tensioned prestressed tunnels 15 are provided, and the two groups of longitudinal post-tensioned prestressed tunnels 15 are respectively positioned below one of the rail bearing grooves 11. The two groups of longitudinal post-tensioned pre-stressed ducts 15 are symmetrically arranged, and the number of the longitudinal post-tensioned pre-stressed ducts 15 is 6. Of course, the longitudinal post-tensioned prestressing duct 15 can be provided in 3, four or more groups, but there should be one group below each of the two rail grooves 11. When the device is used, the steel rail is directly embedded in the rail bearing groove 11, continuous support can be provided for the steel rail, most vibration sources are consumed, the train runs smoothly, and the service lives of the steel rail and the train are prolonged. And an embedded hoisting sleeve 3 and a third rail bracket fixing sleeve 5 are arranged on the side surface of the plate body 16.
The manufacturing and mounting method of the longitudinally connected track plate structure comprises the following steps,
step 1.1, binding a reinforcement cage framework of a plate body 16 and merging the reinforcement cage framework into a steel mould;
step 1.2, mounting a lacing wire hole 13 between the end part of the longitudinal connecting plate beam steel mould and the inner steel mould to form a hole PVC pipe, and firmly fixing; the inner steel mould corresponds to the hollow 14 of the plate body 16.
And installing a corrugated pipe and a liner pipe or other pipelines at corresponding positions of the longitudinal post-tensioned prestressed pore passage 15, wherein the liner pipe or other pipelines are exposed. The upper surface of the plate body 16 when mounted is the lower surface when prefabricated, with the rail groove 11 facing downward. The plate body 16 is provided with reverse camber during prefabrication, and the pipelines arranged at the corresponding positions of the longitudinal post-tensioned pre-stressed ducts 15 are provided with the same reverse camber. 4-6 longitudinal post-tensioned pre-stressed ducts 15 are arranged on the plate body. The number of the longitudinal post-tensioned prestressing tunnels 15 can be increased or decreased according to the length change of the plate body 16.
Step 1.3, pouring concrete, after the concrete is initially set, pulling out the liner tube and the PVC tube, and continuing steam curing;
and step 1.4, demolding, hanging out the plate body 16, and verifying.
After the plate body 16 is manufactured, prestress tensioning and continuous maintenance are carried out subsequently. The method comprises the following specific steps;
step 1.5, when the strength of the plate concrete exceeds 80 percent, a prestressed tendon can penetrate through the longitudinal post-tensioned prestressed duct 15;
and step 1.6, tensioning the prestressed tendons by using a jack, wherein during tensioning, the plate body 16 is placed on the reverse side, and the side with the rail bearing groove 11 faces downwards. And after tensioning is finished, sealing the anchor by adopting high polymer concrete. The plate 16 is pre-arched by means of pre-stressed tensioning.
And step 1.7, hanging the rail plate beam 1 after the anchor is sealed into a water culture pond, and continuing water culture and natural culture. The track plate beam 1 is obtained.
And 2, laying the track plate beams 1 along the track line, and connecting the two adjacent track plate beams 1 together by using a connector and a longitudinal tie bar 4 between the beam plates.
The utility model discloses a vertical lacing wire links together a plurality of rail plate roof beams and forms long sector section or full line and indulges even rail plate roof beam. When one end of the rail plate beam is stressed, the other end of the rail plate beam is pulled by the longitudinal tie bar so as not to bow downwards and tilt upwards, and the overall stability of the rail and the stability and comfort of the train can be enhanced.
Of course, the present invention can also have other various embodiments, including the plate end longitudinal connecting steel plate, the steel bar, etc., without departing from the present invention's longitudinal connecting idea and its essence, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (9)
1. A longitudinally-connected track slab structure is characterized by comprising a plurality of longitudinal track slab beams which are laid at intervals, wherein the plurality of track slab beams in a long section or a whole line are connected together by longitudinal tie bars between beam slabs, and the top surfaces of the track slab beams are provided with two parallel and spaced track bearing grooves.
2. The stringer rail plate structure of claim 1, wherein: two adjacent rail plate beams are connected together by longitudinal tie bars between two symmetrically arranged beam plates.
3. The stringer rail plate structure of claim 1, wherein: the rail plate girder is a prestressed concrete plate girder.
4. The stringer rail plate structure of claim 3, wherein: the rail plate girder is a post-tensioned prestressed concrete plate girder.
5. The stringer rail plate structure of claim 1, wherein: the top surface of the rail plate beam is concave to form a rail bearing groove, and the rail bearing groove penetrates through two end surfaces of the rail plate beam.
6. The stringer rail plate structure of claim 1, wherein: the rail plate beam is reserved with a lacing wire hole for installing a longitudinal lacing wire between the beam plate, and the longitudinal lacing wire between the beam plate is installed at the lacing wire hole.
7. The stringer rail plate structure of claim 6, wherein: the rail plate beam is a frame plate with a hollow part in the center, and two ends of the lacing wire hole respectively penetrate through the hollow part and one end face of the plate body.
8. The stringer rail plate structure of claim 1, wherein: it still keeps off the platform including spacing protruding type, and the both ends of rail plate beam have with spacing protruding type keep off the restraint breach that the platform matches, and the vertical top surface and the bottom surface that run through rail plate beam of restraint breach, spacing protruding type keep off the platform dress in the restraint breach.
9. The stringer rail plate structure of claim 8, wherein: the constraint notch is U-shaped or semicircular, and two adjacent rail plate beams share the same limiting convex block platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964562.6U CN210194342U (en) | 2019-06-25 | 2019-06-25 | Longitudinal-connection track plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964562.6U CN210194342U (en) | 2019-06-25 | 2019-06-25 | Longitudinal-connection track plate structure |
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| Publication Number | Publication Date |
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| CN210194342U true CN210194342U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920964562.6U Active CN210194342U (en) | 2019-06-25 | 2019-06-25 | Longitudinal-connection track plate structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184914A (en) * | 2019-06-25 | 2019-08-30 | 成都天府轨谷科技有限公司 | A kind of vertical connecting plate girder construction and production method |
| CN110184912A (en) * | 2019-06-04 | 2019-08-30 | 成都天府轨谷科技有限公司 | A kind of rail slab and girder system and production method |
-
2019
- 2019-06-25 CN CN201920964562.6U patent/CN210194342U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184912A (en) * | 2019-06-04 | 2019-08-30 | 成都天府轨谷科技有限公司 | A kind of rail slab and girder system and production method |
| CN110184914A (en) * | 2019-06-25 | 2019-08-30 | 成都天府轨谷科技有限公司 | A kind of vertical connecting plate girder construction and production method |
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