CN218492158U - Structure suitable for quick insertion of ballastless track of business line into convenient line track - Google Patents
Structure suitable for quick insertion of ballastless track of business line into convenient line track Download PDFInfo
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- CN218492158U CN218492158U CN202221749924.8U CN202221749924U CN218492158U CN 218492158 U CN218492158 U CN 218492158U CN 202221749924 U CN202221749924 U CN 202221749924U CN 218492158 U CN218492158 U CN 218492158U
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Abstract
The utility model discloses a structure suitable for a business line ballastless track to be quickly inserted into a temporary track, which comprises a wide reinforced concrete slab and a plurality of rail bearing platform structures; the wide reinforced concrete slab of group is set up in the upper portion of existing ballast bed, the existing ballastless track structure is connected with one side of the existing ballastless track structure through the geotextile; the rail supporting platforms are fixedly arranged on the upper portion of the wide reinforced concrete slab, and the rails are arranged on the upper portions of the rail supporting platforms. The utility model has the matching function of the wide reinforced concrete slab, the structures of a plurality of track bearing platforms, the existing ballast bed and the existing ballastless track structure; on the premise of not damaging the existing ballastless track bed plate and ensuring the normal traffic of a high-speed train, the quick insertion or removal of the temporary line can be quickly realized by utilizing the night skylight time, a brand new way is created for the maintenance of the ballastless track or other situations needing the insertion of the temporary line, the construction period can be effectively saved, and the engineering investment is reduced.
Description
Technical Field
The utility model relates to a ballastless track technical field especially relates to a structure suitable for business line ballastless track inserts convenient line track fast.
Background
Compared with a ballast track, the ballastless track has the advantages of high smoothness, good stability, long service life, good durability, less maintenance work, capability of effectively avoiding the splashing of the ballast and the like, and is a mainstream track form of the current high-speed railway.
But due to the characteristics of the reinforced concrete structure, the ballastless track is extremely difficult to damage or insert into the track structure; under the conventional condition, when the ballastless track needs to lead out the steel rail of the excrement line, a ballastless turnout structure is usually required to be paved, the paving process is complex, the resource investment is huge, the existing ballastless track bed is required to be dismantled, the train cannot pass for a long time, the normal dispatching and operation of the train are greatly influenced aiming at the operating railway, and the railway is even stopped.
Therefore, it is necessary to develop a structure suitable for rapidly inserting the ballastless track of the business line into the ordure line track to solve the above problems.
Disclosure of Invention
The utility model aims at solving the problem that a structure suitable for business line ballastless track inserts the line track fast has been designed.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a structure suitable for a business line ballastless track is inserted into a convenient line track fast, includes:
side width reinforced concrete slab; the wide reinforced concrete slab of group is set up in the upper portion of existing ballast bed, the existing ballastless track structure is connected with one side of the existing ballastless track structure through the geotextile;
a plurality of rail bearing platform structures; and the rail is arranged on the upper parts of the plurality of rail bearing platform structures.
Specifically, the rail bearing platform structure includes:
a steel rail;
two fasteners;
a first steel height-adjusting base plate; the two fasteners are fixedly arranged on the first steel height-adjusting base plate, and the steel rail is fastened and fixed on the first steel height-adjusting base plate through the two fasteners;
a second steel heightening base plate; the second steel heightening base plate is installed between the first steel heightening base plate and the wide reinforced concrete slab, and the second steel heightening base plate, the first steel heightening base plate and the wide reinforced concrete slab are fixedly connected.
Specifically, the rail bearing platform structure further comprises:
a first cushion pad; the first buffer base plate is arranged between the first steel height-adjusting base plate and the second steel height-adjusting base plate;
a second cushion pad; the second buffer base plate is arranged between the second steel height-adjusting base plate and the wide reinforced concrete slab.
Specifically, the rail bearing platform structure further comprises two bolts, two nuts and four chemical anchor bolt assemblies; the first steel heightening base plate comprises two first large holes and four first small holes, the two first large holes are formed in the first steel heightening base plate and are arranged on two sides of the middle of the first steel heightening base plate, and the four first small holes are formed in four corners of the first steel heightening base plate; the second steel heightening base plate comprises two second large holes and four second small holes, the two second large holes are formed in the two sides of the middle of the second steel heightening base plate, and the four second small holes are formed in the four corners of the second steel heightening base plate; the nut is fixedly arranged below the first large hole of the first steel height-adjusting base plate and is also arranged in the second large hole; the bolt penetrates through the fastener base and the first large hole and then is screwed into the nut for fixedly connecting the first steel height-adjusting base plate and the fastener; the chemical anchor bolt assembly penetrates through the first steel height-adjusting base plate, the second steel height-adjusting base plate and the wide reinforced concrete slab to be installed and is used for fixedly connecting the first steel height-adjusting base plate, the second steel height-adjusting base plate and the wide reinforced concrete slab.
Preferably, the wide reinforced concrete slab and the existing track bed are connected through anchor pins, one ends of the anchor pins are embedded into the track bed, and the other ends of the anchor pins are connected with the steel bars of the wide reinforced concrete slab.
Preferably, the slope of the wide reinforced concrete slab is 0.7%.
The beneficial effects of the utility model reside in that: the wide reinforced concrete slabs and the multiple rail bearing platform structures are matched with the existing track bed and the existing ballastless track structure; on the premise of not damaging the existing ballastless track bed plate and ensuring normal traffic of a high-speed train, the night skylight time is utilized to quickly insert or remove the temporary line, a brand new approach is created for maintenance of the ballastless track or other conditions needing insertion of the temporary line, the construction period can be effectively saved, and the engineering investment is reduced.
Drawings
Fig. 1 is a schematic structural view of a wide reinforced concrete slab of the present application;
FIG. 2 is a schematic structural view of the track platform structure of the present application;
FIG. 3 is a schematic structural view of a second steel riser pad of the present application;
FIG. 4 is a schematic structural view of a first steel riser pad of the present application; wherein a is a front view and b is a bottom view;
FIG. 5 is a schematic structural view of a second steel riser pad of the present application;
in the figure: 1-side wide reinforced concrete slab; 2-anchoring pins; 3-geotextile; 4-existing ballastless track structure; 5-existing ballast bed; 6-rail bearing platform structure; 61-steel rail; 62-fasteners; 63-bolt; 64-a nut; 65-a chemical anchor assembly; 66-a first steel heightening base plate; 661-first macropore; 662-a first aperture; 67-a first cushion pad; 68-a second steel heightening base plate; 681-second macropore; 682-a second orifice; 69-a second cushion pad; 7-existing rail bearing platform structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and the connection may be internal to the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 5, a structure suitable for a ballastless track of a business line to be quickly inserted into a stool line track includes:
side width reinforced concrete slab 1; the wide reinforced concrete slab 1 of group is set up in the upper portion of the existing ballast bed 5, the existing ballastless track structure 4 is connected with one side of existing ballastless track structure 4 through the geotextile 3;
a plurality of rail bearing platform structures 6; a plurality of rail bearing platform structures 6 are fixedly arranged on the upper part of the wide reinforced concrete slab 1, and the rails are arranged on the upper parts of the rail bearing platform structures 6.
In this embodiment, the geotextile 3 is laid in the connecting surface of the wide reinforced concrete slab and the existing ballastless track structure 4, so that the wide reinforced concrete slab can be conveniently dismantled in the later period.
Also shown in fig. 5 is an existing support rail platform structure 7.
As shown in fig. 2, the rail bearing platform structure 6 includes:
a rail 61;
two fasteners 62;
a first steel riser pad 66; the two fasteners 62 are fixedly arranged on the first steel height-adjusting base plate 66, and the steel rail 61 is fastened and fixed on the first steel height-adjusting base plate 66 through the two fasteners 62;
a second steel riser pad 68; the second steel heightening base plate 68 is installed between the first steel heightening base plate 66 and the wide reinforced concrete slab 1, and the second steel heightening base plate 68, the first steel heightening base plate 66 and the wide reinforced concrete slab 1 are fixedly connected.
In this embodiment, WJ-7 type fasteners 62 are used for both fasteners 62.
As shown in fig. 2, the rail bearing platform structure 6 further includes:
a first cushion plate 67; the first buffer backing plate 67 is arranged between the first steel heightening backing plate 66 and the second steel heightening backing plate 68;
a second cushion pad 69; a second cushion pad 69 is mounted between the second steel heightening pad 68 and the broad reinforced concrete slab 1.
In some embodiments, first and second cushion plates 67, 69 are each 5mm thick.
As shown in fig. 2-4, the rail bearing platform structure 6 further includes two bolts 63, two nuts 64, and four chemical anchor bolt assemblies 65; the first steel heightening base plate 66 comprises two first large holes 661 and four first small holes 662 which are arranged on the first steel heightening base plate, wherein the two first large holes 661 are arranged on two sides of the middle part of the first steel heightening base plate 66, and the four first small holes 662 are arranged on four corner parts of the first steel heightening base plate 66; the second steel height-adjusting base plate 68 comprises two second large holes 681 and four second small holes 682 which are arranged on the second steel height-adjusting base plate, wherein the two second large holes 681 are arranged on two sides of the middle part of the second steel height-adjusting base plate 68, and the four second small holes 682 are arranged at four corners of the second steel height-adjusting base plate 68; the nut 64 is fixedly arranged below the first large hole 661 of the first steel heightening base plate 66, and the nut 64 is also arranged inside the second large hole 681; the bolt 63 penetrates through the base of the fastener 62 and the first large hole 661 and then is screwed into the nut 64 for fixedly connecting the first steel height-adjusting base plate 66 and the fastener 62; chemical anchor assembly 65 is installed through first steel heightening base plate 66, second steel heightening base plate 68 and upper wide reinforced concrete slab 1 for fixedly connecting first steel heightening base plate 66, second steel heightening base plate 68 and upper wide reinforced concrete slab 1.
In some embodiments, the first steel height adjusting shim plate 66 and the second steel height adjusting shim plate 68 are both made of a Q235 steel plate by a laser cutting process; the first big hole 661 is 32mm, the second big hole 681 is 100mm, the first small hole 662 is 30mm, the second small hole 682 is 30mm, the nut 64 is an M30 nut 64, the nut 64 is welded on the first steel height-adjusting shim plate 66, and the bolt 63 is matched with the first steel height-adjusting shim plate; the diameter of the chemical anchor assembly 65 is 24mm; the first steel heightening pad plate 66 is 30mm thick and the second steel heightening pad plate 68 is 40mm thick. In actual use, the thickness of first steel leveling plate 66 and the thickness of second steel leveling plate 68 are selected based on rail base elevation.
In the embodiment, the first steel heightening base plate 66 and the second steel heightening base plate 68 are arranged to adjust the height of the bottom of the stool line rail, reduce the self weight of the single base plate, and facilitate disassembly, assembly and transportation.
As shown in fig. 1, the wide reinforced concrete slab 1 is connected with the existing track bed 5 through the anchor pin 2, one end of the anchor pin 2 is embedded into the track bed, and the other end of the anchor pin 2 is connected with the steel bar of the wide reinforced concrete slab 1.
The present embodiment is configured to resist the horizontal force transmitted from the rail bearing platform structure 6 and prevent the horizontal displacement of the reinforced concrete slab 1.
As shown in fig. 1, the slope of the wide reinforced concrete slab 1 is 0.7%. This slope arrangement is to facilitate drainage at the top of upper wide reinforced concrete slab 1, allowing water to flow outwardly through the top of upper wide reinforced concrete slab 1.
When the method is installed, a total station is adopted to accurately discharge a first small hole 662 on a first steel heightening base plate 66 and a second small hole 682 on a second steel heightening base plate 68 corresponding to the center position of a hole on a wide reinforced concrete slab 1, and a hydraulic abrasive drill is adopted to drill a hole on the reinforced concrete slab to a designed depth; one side of the welding nut of the first steel height-adjusting base plate 66 is embedded into two second large holes 681 of the second steel height-adjusting base plate 68, so that the first small holes 662 and the second small holes 682 on the periphery of the first steel height-adjusting base plate 66 and the second steel height-adjusting base plate 68 are all aligned and closely attached, a chemical anchor bolt assembly 65 is adopted to be implanted into a wide reinforced concrete plate, the nut of the chemical anchor bolt assembly 65 is screwed down to fix the combined first steel height-adjusting base plate 66 and the second steel height-adjusting base plate 68, and then the WJ-7 type fastener 62 is installed. After the track bearing platform structure 6 is installed, the long steel rails on the existing ballastless track structure 4 are dismantled by using the skylight point time, and 25m short steel rails are laid on the newly installed track bearing platform structure 6, so that the ballastless track is led out to the temporary line; and (3) after the excrement line is led out and used, removing the paved short rail of 25m and the rail bearing platform structure 6 by using the skylight point time, and paving the original long steel rail on the sleeper of the existing ballastless track, so that the normal use of the original ballastless track can be recovered.
The technical scheme of the utility model is not restricted to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (6)
1. The utility model provides a structure suitable for business line ballastless track inserts fast just line track which characterized in that includes:
side width reinforced concrete slab; the wide reinforced concrete slab is arranged on the upper part of the existing track bed, and the existing ballastless track structure is connected with one side of the existing ballastless track structure through geotechnical cloth;
a plurality of rail bearing platform structures; the rail supporting platforms are fixedly arranged on the upper portion of the wide reinforced concrete slab, and the rails are arranged on the upper portions of the rail supporting platforms.
2. The structure suitable for rapidly inserting the ballastless track of the business line into the ballastless track of the railway according to claim 1, wherein the rail bearing platform structure comprises:
a steel rail;
two fasteners;
a first steel heightening base plate; the two fasteners are fixedly arranged on the first steel height-adjusting base plate, and the steel rail is fastened and fixed on the first steel height-adjusting base plate through the two fasteners;
a second steel heightening base plate; the second steel height-adjusting base plate is installed between the first steel height-adjusting base plate and the wide reinforced concrete slab, and the second steel height-adjusting base plate, the first steel height-adjusting base plate and the wide reinforced concrete slab are fixedly connected.
3. The structure suitable for the business line ballastless track to be inserted into the informal track rapidly according to claim 2, wherein the rail bearing platform structure further comprises:
a first cushion pad; the first buffer base plate is arranged between the first steel height-adjusting base plate and the second steel height-adjusting base plate;
a second cushion pad; the second buffer base plate is arranged between the second steel height-adjusting base plate and the wide reinforced concrete slab.
4. The structure suitable for the rapid insertion of the ballastless track of the business line into the informal track according to claim 2, wherein the rail bearing platform structure further comprises two bolts, two nuts, and four chemical anchor bolt assemblies; the first steel heightening base plate comprises two first large holes and four first small holes, the two first large holes are formed in the first steel heightening base plate and are arranged on two sides of the middle of the first steel heightening base plate, and the four first small holes are formed in four corners of the first steel heightening base plate; the second steel heightening base plate comprises two second large holes and four second small holes, the two second large holes are formed in the second steel heightening base plate and are arranged on two sides of the middle of the second steel heightening base plate, and the four second small holes are formed in four corners of the second steel heightening base plate; the nut is fixedly arranged below the first large hole of the first steel height-adjusting base plate and is also arranged in the second large hole; the bolt penetrates through the fastener base and the first large hole and then is screwed into the nut for fixedly connecting the first steel height-adjusting base plate and the fastener; the chemical anchor bolt assembly penetrates through the first steel height-adjusting base plate, the second steel height-adjusting base plate and the wide reinforced concrete slab to be installed and is used for fixedly connecting the first steel height-adjusting base plate, the second steel height-adjusting base plate and the wide reinforced concrete slab.
5. The structure of claim 1, wherein the wide reinforced concrete slab on the upper side is connected with an existing track bed through an anchor pin, one end of the anchor pin is embedded into the track bed, and the other end of the anchor pin is connected with the steel bar of the wide reinforced concrete slab on the upper side.
6. The structure suitable for the business line ballastless track to be inserted into the informal track rapidly as claimed in claim 1, wherein the slope of the wide reinforced concrete slab is 0.7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221749924.8U CN218492158U (en) | 2022-07-06 | 2022-07-06 | Structure suitable for quick insertion of ballastless track of business line into convenient line track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221749924.8U CN218492158U (en) | 2022-07-06 | 2022-07-06 | Structure suitable for quick insertion of ballastless track of business line into convenient line track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218492158U true CN218492158U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221749924.8U Active CN218492158U (en) | 2022-07-06 | 2022-07-06 | Structure suitable for quick insertion of ballastless track of business line into convenient line track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218492158U (en) |
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2022
- 2022-07-06 CN CN202221749924.8U patent/CN218492158U/en active Active
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