CN211079914U - Embedded continuous supporting rail plate beam structure for assembly - Google Patents
Embedded continuous supporting rail plate beam structure for assembly Download PDFInfo
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- CN211079914U CN211079914U CN201921797037.6U CN201921797037U CN211079914U CN 211079914 U CN211079914 U CN 211079914U CN 201921797037 U CN201921797037 U CN 201921797037U CN 211079914 U CN211079914 U CN 211079914U
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Abstract
The utility model relates to an embedded splicing continuous supporting rail plate beam structure, which belongs to the technical field of railway tracks and bridges and comprises a rail plate beam, wherein the rail plate beam comprises a plate body and a longitudinal groove blocking block, the top surface of the plate body is provided with a toothed rail connecting structure and two rail supporting grooves, the steps at the two sides of the rail supporting grooves are connected with the longitudinal groove blocking block through bolts, and the longitudinal groove blocking block is completely embedded into the plate body; the rail bearing groove and the longitudinal groove blocking blocks on the two sides form an embedded groove for embedding the steel rail assembly. The rail plate beam of the utility model can continuously support and continuously lock the steel rail, can basically clear the vibration source generated by the steel rail under the action of external force, is beneficial to improving the contact relation of the wheel rail, effectively inhibits the corrugation generation of the steel rail, greatly reduces the abrasion of the wheel rail, can prolong the service life of the wheel rail, and improves the comfort level of passengers; the track and bridge integrated system integrates the track function and the bridge function, not only has simple structure, but also can reduce the construction cost; the longitudinal groove blocking block is detachable and convenient to maintain.
Description
Technical Field
The utility model relates to a railway track and bridge technical field especially relate to an embedded continuous supporting rail plate girder construction of assembling.
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 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.
The plate girder is the superstructure of the bridge. In the existing railway bridge, the track slab is a track slab, and the bridge is a bridge, so that the structure is complex and the construction cost is high.
In addition, the conventional plate-type ballastless track adopts a fastener system to support the steel rail, the fastener system supports the steel rail discontinuously, and the steel rail has a suspension section, which is a main reason for generating a vibration source of the railway track and short wave irregularity on the surface of the steel rail. The contact relationship between the rail and the rail is not good, the abrasion is serious, and the service life of the rail and the wheel is shortened. Particularly, because the steel rail is provided with a suspended section, if the steel rail is broken, the broken joint of the steel rail is not processed in time, and the safety of the track line is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an embedded continuous supporting rail plate girder construction of assembling, it unites two into one track function and bridge function, and the constitution is simple, can reduce construction cost, can effectively restrain the production of rail corrugation again simultaneously, improves wheel rail dynamic stress relation, greatly reduces the wearing and tearing of wheel rail, prolongs the life of wheel rail, improves passenger's comfort level.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an embedded splicing continuous supporting rail plate beam structure comprises a plate body and longitudinal groove blocking blocks, wherein the plate body is a prestressed concrete plate, two longitudinal grooves are formed in the top surface of the plate body, a rail bearing groove formed by an inner concave is formed in the bottom of each longitudinal groove, the longitudinal groove blocking blocks are arranged on steps on two sides of the rail bearing groove, the length of each longitudinal groove blocking block is equal to that of the corresponding rail bearing groove, and the rail bearing groove and the longitudinal groove blocking blocks on the two sides of the rail bearing groove form an embedded groove for embedding a steel rail assembly; the longitudinal groove blocking block is connected with the plate body through a bolt.
Furthermore, a rack connecting structure is arranged on the top surface of the plate body and is positioned between the two longitudinal grooves; the longitudinal groove blocking block is completely embedded in the plate body.
Wherein, the plate body is a post-tensioned plate body.
Furthermore, the longitudinal groove blocking block is divided into a plurality of sections, and the sections are sequentially and closely mounted along the two sides of the rail bearing groove in the longitudinal direction.
Furthermore, semicircular constraint gaps are formed at two ends of the plate body.
The embedded assembled continuous supporting toothed rail track system comprises the rail plate beam and a steel rail assembly, wherein the rail plate beam is laid along a track line, and the steel rail assembly is embedded in an embedded groove formed by a rail bearing groove and a longitudinal groove blocking block.
Furthermore, the embedded assembled continuous supporting rack rail system also comprises a rack, and the rack is connected with the plate body through the rack connecting structure.
Further, the steel rail assembly comprises a steel rail, a height-adjusting base plate and a long elastic base plate, the long elastic base plate is continuously laid in the rail bearing groove, the steel rail is laid above the long elastic base plate, the length of the long elastic base plate and the length of the steel rail are both larger than that of the plate body, the height-adjusting base plate is arranged between the long elastic base plate and the steel rail, and a high-molecular damping material is filled between the steel rail assembly and the groove embedding groove wall.
Furthermore, the inner side and the outer side of the rail web of the steel rail are provided with noise reduction blocks at intervals, the bottoms of the noise reduction blocks are in contact with the rail bottom of the steel rail, and the tops of the noise reduction blocks extend to the lower side of the rail head of the steel rail.
Compared with the prior art, the utility model discloses following beneficial effect has:
the rail plate beam can continuously support the steel rail, greatly improves the anti-seismic performance, can basically clear a vibration source generated by the steel rail under the action of external force, is beneficial to improving the contact relation of the wheel rail, effectively inhibits the generation of rail corrugation, greatly reduces the abrasion of the wheel rail, can prolong the service life of the wheel rail, and improves the comfort level of passengers;
2, the rail system of the utility model adopts the macromolecule damping material to continuously lock the steel rail, greatly improving the shock resistance of the rail, reducing the derailment risk after rail breakage and having better rail safety; the damping characteristic improves the longitudinal attenuation rate of the rail, can effectively reduce the longitudinal, transverse and vertical transmission of the steel rail along the steel rail, and reduces the noise generated by the wheel rail;
3, the track system integrates the track function and the bridge function into a whole, so that the track system is simple in structure and can reduce the construction cost;
4, the vertical manger plate piece of support rail groove both sides can be dismantled, and when later stage maintenance or change, can wholly demolish rail subassembly and vertical manger plate piece, easy maintenance is swift.
Drawings
FIG. 1 is a top view of a track plate beam;
FIG. 2 is a side view of a rail plate beam;
fig. 3 is a side view of the plate body;
FIG. 4 is a schematic structural view of a pile foundation rail plate girder system according to the present invention;
FIG. 5 is a schematic view of the structure of the temporarily fixed rail;
FIG. 6 is an enlarged view at A in FIG. 5;
FIG. 7 is a schematic illustration of the track system in actual use;
FIG. 8 is an enlarged view at A in FIG. 7;
in the figure: the steel rail comprises a plate body 1, a longitudinal groove blocking block 2, a longitudinal groove blocking block 3, a bolt 4, a constraint notch 5, a steel rail assembly 6, an embedded groove 7, a tooth rail connecting plate 8, a tooth rail 9, a pier 10, a convex block platform 11, a rail bearing groove 11, a bolt sleeve 12, a prestressed steel bar hole 13, a groove blocking block accommodating groove 14, a longitudinal groove 15, a temporary fastener 16, a long elastic base plate 51, a height adjusting base plate 52, a steel rail 53, a high polymer damping material 54, a noise reduction block 55, a temporary iron buckle plate 161, a temporary iron base plate 162 and a temporary fixing bolt 163.
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 an embedded continuous supporting rail plate beam structure of assembling, including plate body 1 and vertical manger block 2, plate body 1 is prestressed concrete slab. The top surface of the plate body 1 is provided with two longitudinal grooves 15, the groove bottom of each longitudinal groove 15 is provided with a rail bearing groove 11 formed by an inner recess, the step positions on the two sides of the rail bearing groove 11 form a groove blocking block accommodating groove 14 for installing the longitudinal groove blocking block 2, and the depth of the rail bearing groove 11 is 30mm larger than that of the groove blocking block accommodating groove 14.
A plurality of bolt sleeves 12 are embedded in the positions of the retaining groove block accommodating grooves 14, and the bolt sleeves 12 are arranged at intervals along the longitudinal direction of the retaining groove block accommodating grooves 14. The steps on the two sides of the rail bearing groove 11 are provided with longitudinal groove blocking blocks 2, and the longitudinal groove blocking blocks 2 are completely embedded into the plate body 1. The length of the longitudinal groove blocking block 2 is equal to that of the rail bearing groove 11, and the rail bearing groove 11 and the longitudinal groove blocking blocks 2 on the two sides of the rail bearing groove form an embedded groove 6 for embedding a rail assembly.
As shown in fig. 1, the longitudinal groove stopper 2 is divided into a plurality of segments, the plurality of segments are sequentially and closely mounted in the longitudinal direction, and each segment is connected with the plate body 1 through two bolts 3.
The top surface of plate body 1 has cogged rail connection structure, and cogged rail connection structure includes cogged rail connecting plate 7 and pre-buried bolt sleeve 12 in plate body 1 in this embodiment, and cogged rail connecting plate 7 passes through the bolt to be installed on the central line position between two support rail grooves 11. A plurality of tooth track connecting plates 7 with the interval of 625mm are arranged on the plate body 1.
The rack connecting structure can also adopt a special rack fastener, and the special rack fastener is a small-size and low-head pressure plate type bolt fastener.
The plate body 1 is a post-tensioned plate body, 6 bundles of prestressed reinforcement holes 13 in a curve structure form are formed in the plate body 1, and the 6 bundles of prestressed reinforcement holes 13 are taken as anti-live load anti-cracking technical measures. The two ends of the plate body 1 are provided with semicircular constraint gaps 4, and the semicircular constraint gaps 4 are semicircular. The length range of the plate body 1 is 4800mm-5800 mm; the thickness range is 400mm-500 mm; the diameter of the semicircular constraining notch 4 is 600 mm.
The utility model discloses a production method of embedded continuous supporting rail plate girder construction of pin-connected panel, including the prefabrication of plate body 1 and the prefabrication of vertical manger block 2. The longitudinal groove blocking block 2 is prefabricated in sections; two bolt through holes are reserved in each segment.
The production method of the plate body 1 comprises the following steps that a steel model matched with the plate body 1 needs to be manufactured in the early stage, and then the plate body 1 is produced according to the following main steps:
step a, binding a structural structure of a plate body 1 to construct a reinforcement cage framework, and merging the reinforcement cage framework into a steel mould;
b, mounting a corrugated pipe and a liner pipe or other pipelines at the corresponding positions of the prestressed reinforcement holes 13 of the plate body 1, wherein the liner pipe or other pipelines are exposed; the corresponding position embedded bolt sleeve 12 of vertical manger plate piece 2 of installation and cogged rail connecting plate 7, 2 embedded bolt holes are pre-buried in the 1 lateral surface of plate body and are used for installing third rail power supply support usefulness.
The upper surface of the plate body 1 when mounted is the lower surface when prefabricated, and the surface with the rail bearing groove 11 faces downwards.
C, pouring concrete, after the concrete is initially set, pulling out the liner tube, and continuing steam curing;
and d, demolding, hanging the plate body 1 out, and verifying. Taking out the space position of the liner tube, namely forming a post-tensioned prestressed pore canal at the original position of the liner tube;
e, penetrating prestressed reinforcements in the prestressed reinforcement holes 13, and tensioning; and (4) hanging the plate body 1 after grouting and anchoring into a water curing pool, and continuing water curing and natural curing.
The post-tensioned prestressed rail plate girder can also be produced by adopting unbonded sheath prestressed tendons, the prestressed tendons are embedded in the production in advance and are firmly fixed in a reinforcing mesh in advance according to the linear technical requirements of the prestressed tendons, the steel tapping film of the prestressed tendons at the end is temporarily fixed on an anchor plate, and the tensioning process is carried out after demoulding.
For the change of the flat plate and the mountaineering plate structure, the slope of a surface mold at the end part of a concrete pouring surface can be adjusted in production according to the requirement of gradient change.
As shown in fig. 7 and 8, the utility model discloses an embedded continuous supporting rail system of assembling, except including above-mentioned rail slab beam, it still includes rail subassembly 5, and rail slab beam lays along the track circuit, and rail subassembly 5 inlays the dress in the caulking groove 6 that rail bearing groove 11 and vertical manger plate piece 2 constitute. The steel rail assembly 5 comprises a steel rail 53, a height-adjusting base plate 52 and a long elastic base plate 51, the long elastic base plate 51 is laid in the rail bearing groove 11, the steel rail 53 is laid above the long elastic base plate 51, the length of the long elastic base plate 51 and the length of the steel rail 53 are both larger than that of the plate body 1, the height-adjusting base plate 52 is arranged between the long elastic base plate 51 and the steel rail 53, and a high polymer damping material 54 is filled between the steel rail assembly 5 and the groove wall of the caulking groove 6. Noise reduction blocks 55 are bonded to the inner and outer sides of the web of the rail 53 at intervals. The noise reduction block 55 is made of sound absorption material or sound absorption structure, and can play a role in absorbing sound and reducing noise. The bottom of the noise reduction block 55 is in contact with the rail bottom of the steel rail 53, and the top of the noise reduction block 55 extends to the lower portion of the rail head of the steel rail 53, so that the noise reduction block has a certain supporting effect on the steel rail.
The embedded assembled continuous supporting track system also comprises a rack 8, and the rack 8 is connected with the plate body 1 through a rack connecting structure.
The utility model discloses a construction method of an embedded splicing continuous supporting track system, a track plate beam adopts a meter track system, comprising the following steps,
s1, building a pier 9 along a track line as shown in figure 4, wherein the top of a capping beam of the pier 9 is provided with a convex baffle 10 matched with the semicircular constraint notch 4;
s2, mounting the plate body 1: the slab body 1 is laid longitudinally, two ends of the slab body 1 are respectively supported on pier capping beams, the convex baffle table 10 is positioned in the constraint notch 4 of the slab body 1, and the slab body 1 is finely adjusted by adopting a measuring system; the track plate beam system integrates the track function and the bridge function into a whole, has a simple structure, can simplify the construction process, shortens the construction period and reduces the construction cost.
S3, as shown in the figures 5-8, paving a continuous long elastic cushion plate 51 in the rail bearing groove 11 of the plate body 1, and installing a height-adjusting cushion plate 52 above the long elastic cushion plate 51;
s4, mounting the steel rail 53: and welding the long steel rail, paving the steel rail 53 above the heightening base plate 52, temporarily fixing the steel rail 53 through a plurality of temporary fasteners 16, and connecting the temporary fasteners 16 with the bolt sleeves 12 pre-buried on the plate body 1.
As shown in fig. 5 and 6, the temporary fastening member 16 includes a temporary iron buckle plate 161, a temporary iron plate 162 and a temporary fixing bolt 163, the temporary iron plate 162 is placed in the notch block accommodating groove 14, the temporary iron buckle plate 161 is placed on the temporary iron plate 162, the temporary iron buckle plate 161 and the temporary iron plate 162 are fixedly connected with the plate body 1 through the temporary fixing bolt 163, and the fixing bolt 93 is connected with the bolt sleeve 12 pre-embedded in the plate body 1. The inner end of the temporary iron backing plate 162 butts against the rail bottom side of the steel rail 53, and the temporary iron buckle plate 161 is buckled on the rail bottom top surface of the steel rail 53 from top to bottom.
S5, starting the engineering train;
s6, after the track line is stable, firstly, mounting noise reduction blocks 55 on the inner and outer rail waists of the steel rail 53 between two adjacent temporary fasteners 16 in the longitudinal direction, and bonding the noise reduction blocks 55 with the steel rail 53;
then, the temporary fastener 16 is removed, and a section of the temporary fastener 16 is removed to install a section of the longitudinal groove blocking block 2; longitudinal groove blocking blocks 2 are installed in groove blocking block accommodating grooves 14 on two sides of the rail bearing groove 11, and the longitudinal groove blocking blocks 2 are fixedly connected with the plate body 1 through bolts 3. In the embodiment, the longitudinal groove blocking block 2 is divided into a plurality of sections, the longitudinal groove blocking block 2 is longitudinally and sequentially closely mounted along two sides of the rail bearing groove 11 after being prefabricated in a segmented mode, and each section is connected with the plate body 1 through two bolts 3.
And S7, pouring the polymer damping material 54 in the caulking groove 6 to lock and fix the steel rail 53. The steel rail is continuously locked by adopting the macromolecular damping material, so that the derailment risk after rail breakage is greatly reduced, and the safety of the rail is better; the damping characteristic improves the longitudinal attenuation rate of the rail, can effectively reduce the longitudinal, transverse and vertical transmission of the steel rail along the steel rail, and reduces the noise transmission of the wheel rail.
And S8, mounting the rack 8.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.
Claims (8)
1. The utility model provides an embedded continuous supporting rail plate girder construction of assembling which characterized in that: the steel rail embedded groove comprises a plate body and longitudinal groove blocking blocks, wherein the plate body is a prestressed concrete plate, two longitudinal grooves are formed in the top surface of the plate body, a rail bearing groove formed by an inner recess is formed in the groove bottom of each longitudinal groove, the longitudinal groove blocking blocks are arranged on steps on two sides of the rail bearing groove, the length of each longitudinal groove blocking block is equal to that of the corresponding rail bearing groove, and the rail bearing groove and the longitudinal groove blocking blocks on the two sides of the rail bearing groove form an embedded groove for embedding a steel rail assembly; the longitudinal groove blocking block is connected with the plate body through a bolt.
2. The embedded sectional continuous support rail beam structure of claim 1, wherein: the top surface of the plate body is provided with a rack connecting structure, and the rack connecting structure is positioned between the two longitudinal grooves; the longitudinal groove blocking block is completely embedded in the plate body.
3. The embedded assembled continuous support rail beam structure of claim 1 or 2, wherein: the plate body is a post-tensioned plate body.
4. The embedded assembled continuous support rail beam structure of claim 1 or 2, wherein: the longitudinal groove blocking block is divided into a plurality of sections which are longitudinally and sequentially closely mounted.
5. A track system comprising the embedded sectional continuous support rail plate beam structure of any one of claims 1 to 4, wherein: the steel rail plate beam is laid along a rail line, and the steel rail assembly is embedded in an embedded groove formed by the rail bearing groove and the longitudinal groove blocking block.
6. The track system of claim 5, wherein: the board body is characterized by further comprising a rack, and the rack is connected with the board body through the rack connecting structure.
7. The rail system of claim 5 or 6, wherein: the steel rail assembly comprises a steel rail, a height-adjusting base plate and a long elastic base plate, the long elastic base plate is laid continuously in the rail bearing groove, the steel rail is laid above the long elastic base plate, the length of the long elastic base plate and the length of the steel rail are both larger than that of a plate body, the height-adjusting base plate is arranged between the long elastic base plate and the steel rail, and a high-molecular damping material is filled between the steel rail assembly and the groove embedding groove wall.
8. The track system of claim 7, wherein: the inside and outside interval of the web of rail is installed and is fallen the piece of making an uproar, falls the contact of piece bottom and rail end of making an uproar with the rail, falls the piece top of making an uproar and extends to rail railhead below.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797037.6U CN211079914U (en) | 2019-10-24 | 2019-10-24 | Embedded continuous supporting rail plate beam structure for assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797037.6U CN211079914U (en) | 2019-10-24 | 2019-10-24 | Embedded continuous supporting rail plate beam structure for assembly |
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| CN211079914U true CN211079914U (en) | 2020-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616634A (en) * | 2019-10-24 | 2019-12-27 | 成都天府轨谷科技有限公司 | Embedded assembled continuous supporting rail plate beam structure and production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616634A (en) * | 2019-10-24 | 2019-12-27 | 成都天府轨谷科技有限公司 | Embedded assembled continuous supporting rail plate beam structure and production method |
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