CN210657806U - Composite roadbed cement board assembly - Google Patents
Composite roadbed cement board assembly Download PDFInfo
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- CN210657806U CN210657806U CN202020440990.1U CN202020440990U CN210657806U CN 210657806 U CN210657806 U CN 210657806U CN 202020440990 U CN202020440990 U CN 202020440990U CN 210657806 U CN210657806 U CN 210657806U
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Abstract
The utility model discloses a compound railway roadbed cement slab subassembly, for integrated into one piece's cement slab and damping way pad composite construction, from last to being cement slab, bond line, damping bed course down in proper order. The cement board and the vibration damping channel pad are produced and processed in a factory in advance, and are bonded and compounded into an integral structure through the bonding layer, so that the construction efficiency is greatly improved, the product transportation cost is reduced, and the construction cost is reduced. The cement board and the vibration reduction road pad are glued by using an adhesive method, so that the situation that the cement board and the vibration reduction road pad are punched by using a bolt fixing method is avoided, the production efficiency is reduced, the damage to the cement board assembly of the road bed and the whole structure of the vibration reduction road pad is reduced, the vibration reduction effect of the vibration reduction road pad is not reduced due to the construction process, and the consistency of the product performance is ensured.
Description
Technical Field
The utility model relates to a railway and urban rail construction material technical field especially relate to an integrated into one piece's railway roadbed cement board subassembly and damping way fill up composite construction.
Background
In the railway and urban rail construction in China at present, a vibration damping structure is constructed in two modes, namely, a ballast bed cement plate component and a vibration damping pad are produced in a factory respectively and then transported to a construction site to be installed layer by layer; secondly, firstly paving the vibration damping pad on site, and then pouring and paving the roadbed cement board component. The two existing modes have great defects, and the roadbed cement plate assembly and the damping pad are produced respectively, so that the construction progress is extremely easily influenced by the production cycle and the conveying cycle of each product; in the prior art, the damping pad is generally required to be conveyed to a construction site in a coiled manner, so that the occupied space is large and the transportation cost is high. In addition, large errors exist in field cutting, waste of the vibration damping road pad material is easily caused, the field cutting time is long, the field construction efficiency is difficult to guarantee, and the project is difficult to complete on time under the condition of short construction period. In addition, the installation environment of a construction site is poor, the factors influencing the composite effect of the material are difficult to control, and the vibration reduction effect is difficult to ensure, so that the cost for laying the track is increased. If the second construction method of pouring the roadbed cement plate assembly on site is adopted, in addition to the above problems, the problems of long maintenance period and high cost are faced.
Therefore, in view of the defects and shortcomings of the prior art, the inventor of the present invention provides an integrally formed composite structure of a roadbed cement plate and a damping track pad and a manufacturing method thereof through a large number of tests and careful design and research, so as to overcome many defects of the damping structure in the construction of the railway and the urban railway.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model discloses an it is integrated with compound railway roadbed cement board subassembly of damping way pad and manufacturing method and this kind of compound railway roadbed cement board subassembly lay the method in order to improve the efficiency of laying of railway roadbed and improve orbital the uniformity of laying. In order to achieve the above purpose, the utility model adopts the technical scheme that:
a composite roadbed cement board assembly integrated with a vibration reduction roadbed cushion comprises a roadbed cement board, an adhesive layer, a vibration reduction roadbed cushion and a sealing assembly;
the vibration-damping road pad is formed by splicing a plurality of vibration-damping road pads, and the size of the whole vibration-damping road pad is the same as that of the plane of the road bed cement slab;
the vibration reduction road pad comprises a base structure and a plurality of bulge structures positioned on one side of the base structure, wherein the base and the bulges are both of rubber structures, and the base comprises a single-layer rubber pad or a multi-layer composite rubber pad structure; the top of the convex structure is of a plane structure;
the bonding layer is in contact with the ballast bed cement plate assembly and the vibration reduction track pad, and the shape of the bonding layer is the same as that and the size of the top surface of the raised platform of the vibration reduction track pad;
the seal assembly seals a gap between the vibration damping track pad and a track bed cement slab and/or seals a track bed cement slab handling hole.
Wherein, seal assembly is including sealed the pad, sealed pad sets up the lateral wall of railway roadbed cement board subassembly is close to the damping and says that pad one end and damping say that the pad is close to on the surface at edge to cover the damping and say the gap between pad and the railway roadbed cement board.
The shape of the convex structure specifically comprises a cylindrical structure, a truncated cone structure, a prismatic table, strip-shaped protrusions arranged in a matrix manner or strip-shaped protrusions arranged in a grid manner.
The concrete slab component of the ballast bed is provided with an operation hole, and the position of the vibration reduction track pad, which corresponds to the operation hole, is provided with a corresponding hole.
The sealing assembly further comprises a barrel sealing hoop, the barrel sealing hoop is installed at one end, close to the vibration reduction channel pad, of the inner wall of the operation hole, a wide brim is arranged on the edge, close to the operation hole, of the vibration reduction channel pad layer, and a sealing connection portion is formed by connecting the packaging hoop and the wide brim.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an integrated compound roadbed cement board subassembly that has the damping to say and fill up, compound roadbed cement board subassembly includes roadbed cement board, bond line and damping way and fills up. The composite ballast bed cement plate component can be produced and processed in a factory in advance, and is compounded into an integral structure, so that the construction efficiency can be greatly improved, and the installation is accurate. The vibration damping channel pad is cut and spliced in advance, so that the matching size of the vibration damping channel pad is greatly optimized, the cutting precision is improved, the waste of materials of the vibration damping channel pad due to cutting is reduced, and the accurate installation of the vibration damping pad can be ensured. The cement board and the vibration reduction road pad are glued by adopting an adhesive method, so that the problem that the production efficiency is reduced due to the fact that the cement board and the vibration reduction road pad are punched by adopting a bolt fixing method is avoided, the damage to the cement board assembly of the road bed and the whole structure of the vibration reduction road pad is avoided, the vibration reduction effect of the vibration reduction road pad is guaranteed not to be reduced due to the construction process, and the consistency of product performance is guaranteed.
Drawings
FIG. 1 is a side view of a composite track bed slab assembly incorporating a vibration damping track pad of the present invention;
FIG. 2 is a structural bottom view of a composite ballast bed cement slab assembly incorporating a vibration dampening ballast pad of the present invention;
FIG. 3 is a schematic cross-sectional view of a composite roadbed slab assembly integrated with a vibration damping roadbed along an operation hole of the present invention;
fig. 4 is a flow chart of a method for manufacturing a composite roadbed cement slab assembly structure integrated with a vibration damping track pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are combined below to describe the technical solutions of the present invention clearly and completely. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
The terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, the definitions of "first", "second", "third", "fourth" features may explicitly or implicitly include one or more of such features.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Referring to fig. 1 and 2, the utility model relates to a pad composite construction is said with damping to integrated into one piece's railway roadbed cement board, composite construction is sandwich formula multilayer design, from last to containing railway roadbed cement board 1, bond line 4, damping in proper order down and saying to fill up. The concrete slab is characterized in that each surface of the concrete slab assembly of the ballast bed is a horizontal plane, one or more operation holes 6 penetrating up and down are reserved in the middle of the upper surface of the concrete slab assembly and are used as grouting ports for laying a filling layer pouring material below the back slab and track laying centering and positioning marks, and for a scheme (not shown in the figure) with a plurality of reserved ports on the concrete slab of the ballast bed, the reserved ports are arranged in a straight line.
The vibration reduction road pad is cut and spliced in advance, and the plane size of the vibration reduction road pad subjected to cutting and splicing is the same as that of the road bed cement board.
The vibration reduction road pad comprises a base structure 2 and a plurality of protrusion structures 3 positioned on one side of the base structure, wherein the base and the protrusions are both of rubber structures, and the base comprises a single-layer rubber pad or a multi-layer composite rubber pad structure; the top of the convex structure is of a plane structure; the shape of the convex structure specifically comprises a cylindrical structure, a truncated cone structure, a prismatic table, strip-shaped protrusions arranged in a matrix manner or strip-shaped protrusions arranged in a grid manner. The vibration-damping road pad is connected with a road bed cement plate 1 through a bonding layer 4 formed by a bonding agent, the shape of the bonding layer 4 is the same as that and the size of the top surface of a platform of the vibration-damping road pad protrusion 3, and a gap between the road bed cement plate and the vibration-damping road pad is sealed by a sealing element 5 arranged in the region of the edge of the road bed cement plate and the edge of an operation hole.
Fig. 3 wherein, does the utility model relates to an integrated compound railway roadbed cement slab subassembly section structure sketch map that has damping to say pad, the inner wall of handle hole is close to the damping and says the one end of pad and install a cover hoop 7 to the edge that the bed course is close to the handle hole is provided with wide eaves 8 at the damping, and constitutes sealing connection portion through the connection of encapsulation hoop and wide eaves. The joints at the edge of the roadbed cement plate and the edge of the operation hole are sealed, so that the vibration reduction roadbed and the roadbed cement plate assembly are integrally formed into a composite closed integrated structure.
The utility model discloses in through sealing assembly include that the sealed pad in gap between the roadbed cement flange reason and the damping way fills up, set up at the operation hole inner wall by the encapsulation hoop with wide eaves be connected constitute sealing connection portion and operation hole sealing member.
The operation hole sealing element is used for filling the space at the lower part of the composite roadbed cement board assembly through the operation hole in the composite cement roadbed assembly and sealing the operation hole in the composite roadbed cement board assembly, so that a sealed stable paving material environment is formed below the composite roadbed cement board assembly.
Fig. 4 illustrates a method of making a composite ballast bed cement slab assembly structure integrated with a vibration damping ballast pad, the method comprising:
the method comprises the following steps: and (3) manufacturing the roadbed cement plate 1. Binding reinforcing steel bars of the ballast bed cement slab assembly in a factory, and pouring concrete of the ballast bed cement slab by adopting a high-precision mold; and all the surfaces of the poured ballast bed cement plate assembly are horizontal planes, five operation holes 6 which are arranged in a straight line and penetrate through the upper surface and the lower surface are reserved in the middle of the upper surface, and are used as grouting ports for paving the pouring material of the lower filling layer of the back plate and track laying centering positioning marks. And grinding and polishing the bonding surface of the cement slab assembly of the poured ballast bed to increase the bonding strength of the cement slab assembly and the vibration reduction track pad in the subsequent compounding process.
Step two: and cutting the vibration reduction road pad. And cutting the vibration reduction road pad according to the extension of the road bed cement board and the shape and the size of the reserved operation hole, and cleaning the raised surface serving as a bonding surface.
Step three: the roadbed cement plate is compounded with the vibration reduction roadbed pad. Uniformly coating a layer of adhesive on the fixed surface of the platform of the vibration damping track pad with the convex structure to form a uniform adhesive layer 4 on the surface of the platform, then calibrating the surface of the platform and the ground surface of the track bed cement board, adhering the platform and the ground surface into an integral structure, applying a heavy object, standing and airing.
Step four, adding a sealing barrel hoop at an operation approach opening reserved in the track slab, and reserving a wide brim on one side of the damping channel cushion layer for sealing treatment; the lateral wall of ballast bed cement board is close to the damping and says that pad one end and damping say that the pad is close to the surperficial the covering has sealed the pad to do sealed borduring processing in peripheral seam crossing, except ballast bed cement board border position, at ballast bed cement board the one end that the pad was said to the inner wall of handle hole is close to the damping is installed and is sealed the cover hoop, and says that the edge that the pad layer is close to the handle hole is provided with wide eaves at the damping to constitute sealing connection portion through the connection of encapsulation hoop and wide eaves. And sealing and edge wrapping treatment is carried out on all joints between the damping road cushion layer and the road bed cement board, so that the damping road cushion and the road bed cement board assembly are integrally formed into a composite closed integrated structure.
Optionally, after the fourth step, in the paving method of the composite roadbed cement plate assembly integrated with the vibration reduction roadbed cushion, one side of the vibration reduction roadbed cement plate assembly which is manufactured in advance is paved on the roadbed downwards, the filling of the lower part of the composite roadbed cement plate assembly is completed through the operation hole in the composite roadbed cement plate assembly, and the operation hole in the composite roadbed cement plate assembly is sealed, so that a sealed stable paving material environment is formed below the composite roadbed cement plate assembly.
Completing the laying of the ballast bed cement plate component. Through this kind of scheme of laying, avoided prior art need transport the shock pad lapping to the job site usually, occupation space is big, and the cost of transportation is higher, and the problem that there is great error in the on-the-spot cutting. Therefore, the utility model discloses integrated into one piece's railway roadbed cement board and damping way pad composite construction and preparation method can wide application in the track traffic field, not only is favorable to reducing vibrations and the noise that track traffic produced, improves the efficiency and the construction precision of track laying moreover by a wide margin, reduces construction cost, accords with current track traffic environmental protection, efficient development direction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. The composite roadbed cement board assembly is characterized by comprising a roadbed cement board, an adhesive layer, a vibration reduction roadbed cushion and a sealing assembly;
the vibration-damping road pad is formed by splicing a plurality of vibration-damping road pads, the size of the whole vibration-damping road pad is the same as that of the plane of the road bed cement slab,
the vibration reduction road pad comprises a base structure and a plurality of bulge structures positioned on one side of the base structure, wherein the base and the bulges are both of rubber structures, and the base comprises a single-layer rubber pad or a multi-layer composite rubber pad structure; the top of the convex structure is of a plane structure;
the bonding layer is in contact with the ballast bed cement plate assembly and the vibration reduction track pad, and the shape of the bonding layer is the same as that and the size of the top surface of the raised platform of the vibration reduction track pad;
the seal assembly seals a gap between the vibration-damping track pad and the track bed slab.
2. The composite track bed cement board assembly of claim 1, wherein the seal assembly comprises a seal disposed on a surface of the side wall of the track bed cement board assembly proximate to one end of the vibration dampening course pad and proximate to the edge of the vibration dampening course pad and covering the gap between the vibration dampening course pad and the track bed cement board.
3. The composite track bed cement slab assembly according to claim 1, wherein said raised structure shape comprises in particular a cylindrical structure, a truncated cone structure, a truncated pyramid, a matrix arrangement of strip-shaped projections or a grid arrangement of strip-shaped projections.
4. The composite ballast bed cement slab assembly of claim 2, wherein the ballast bed cement slab assembly has an operation hole therein, and the vibration-damping ballast pad has a hole corresponding to the position of the operation hole.
5. The composite track bed cement slab assembly as claimed in claim 4, wherein the sealing assembly further comprises a bucket sealing hoop and a wide brim, the bucket sealing hoop is mounted on one end of the inner wall of the operation hole close to the damping track pad, the wide brim is arranged on the edge of the damping track pad layer close to the operation hole, and the sealing connection part is formed by the connection of the bucket sealing hoop and the wide brim.
6. The composite ballast bed cement plate assembly as defined in claim 5, wherein said seal assembly further includes a service hole seal, said service hole being sealed at one end of the vibration dampening ballast pad by the service hole seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440990.1U CN210657806U (en) | 2020-03-31 | 2020-03-31 | Composite roadbed cement board assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440990.1U CN210657806U (en) | 2020-03-31 | 2020-03-31 | Composite roadbed cement board assembly |
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| CN210657806U true CN210657806U (en) | 2020-06-02 |
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| CN202020440990.1U Active CN210657806U (en) | 2020-03-31 | 2020-03-31 | Composite roadbed cement board assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2755804C1 (en) * | 2020-11-10 | 2021-09-21 | Акционерное общество "РЖДстрой" | Ballast-free railway track for cargo and passenger high-speed traffic and method for construction thereof |
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2020
- 2020-03-31 CN CN202020440990.1U patent/CN210657806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2755804C1 (en) * | 2020-11-10 | 2021-09-21 | Акционерное общество "РЖДстрой" | Ballast-free railway track for cargo and passenger high-speed traffic and method for construction thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG TIANTIE INDUSTRY Co.,Ltd. Assignor: Beijing Starway Technology Co.,Ltd. Contract record no.: X2021990000384 Denomination of utility model: A composite track bed cement board component Granted publication date: 20200602 License type: Exclusive License Record date: 20210629 |
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| EE01 | Entry into force of recordation of patent licensing contract |