CN216238109U - Railway bridge drainage structure - Google Patents
Railway bridge drainage structure Download PDFInfo
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- CN216238109U CN216238109U CN202122824526.XU CN202122824526U CN216238109U CN 216238109 U CN216238109 U CN 216238109U CN 202122824526 U CN202122824526 U CN 202122824526U CN 216238109 U CN216238109 U CN 216238109U
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- pipe
- end part
- cast iron
- extension pipe
- railway bridge
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Abstract
The utility model provides a railway bridge drainage structure, which belongs to the technical field of railway bridge maintenance and comprises an extension pipe, wherein the extension pipe is provided with a first end part inserted into a cast iron pipe and a second end part extending to the outside of a bridge floor, the first end part is of an elastic structure, the outer diameter of the extension pipe is larger than the inner diameter of the cast iron pipe, the outer wall of the first end part is provided with a glue containing groove for containing adhesive and a deformation groove arranged along the axial direction of the extension pipe, and the deformation groove penetrates through the inner wall and the outer wall of the extension pipe and is used for enabling the outer diameter of the first end part of the extension pipe to be reduced after being compressed so as to be inserted into the cast iron pipe. The utility model can fully fill the gap between the cast iron pipe and the extension pipe with the adhesive, avoids water from entering the gap, is convenient to install, is beneficial to improving the connection strength, and not only is the extension pipe firmer after installation, but also the protection effect on the cast iron pipe is better.
Description
Technical Field
The utility model belongs to the technical field of railway bridge maintenance, and particularly relates to a drainage structure of a railway bridge.
Background
At present, a plurality of drain pipes on a railway bridge are cast iron pipes, most of the drain pipes generate corrosion signs due to long service time, and part of the cast iron pipes are seriously corroded. Because cast iron pipe corrosion leads to inside coarse for inside a large amount of accumulation silt, branch, plastic film's possibility greatly increased, cause the jam easily, influence drainage effect, the concrete face on the long-term flooding bridge of rust water leads to the outward appearance of railway bridge extremely unsightly moreover, and the development of wanting the corrosion can lead to the structural problem of bridge. It is therefore necessary to treat these cast iron pipes when repairs are made to the railway bridges.
The method is to adopt a mode of sleeving a PVC pipe in a cast iron pipe to line and prolong the cast iron pipe, but because the corrosion of some cast iron pipes is very serious, the inner diameter of the cast iron pipes is changed after rust removal, so that the extension pipes are easy to loosen and fall off after installation, and because the outer parts of the extension pipes are smoother and the inner parts of the cast iron pipes are rough, the gaps between the extension pipes and the cast iron pipes are difficult to fill in by using a mode of wrapping hemp threads, raw material belts or filling glue outside the extension pipes and then plugging in, if water enters the gaps, the water is difficult to be discharged, the corrosion problem of the cast iron pipes is aggravated, and the corrosion problem of the cast iron pipes is difficult to install.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drainage structure of a railway bridge, which aims to solve the technical problem that an extension pipe is difficult to install on a cast iron drainage pipe on a railway bridge in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a railway bridge drainage structures, including the extension pipe, the extension pipe has the first end that is used for inserting in the cast iron pipe and is used for extending to the outside second end of bridge floor, the first end is the elastic construction, and the external diameter is greater than the cast iron pipe internal diameter, first end outer wall is equipped with the deformation groove that is used for holding the appearance gluey groove of adhesive and sets up along extension pipe axis direction, the deformation groove link up the inner wall and the outer wall of extension pipe, a first end for making the extension pipe can reduce the external diameter after the compression, thereby it is intraductal to insert the cast iron.
In a possible implementation manner, the glue containing groove is annularly or spirally arranged on the outer wall of the first end part around the axial direction of the extension pipe.
In one possible implementation, the deformation groove extends from the end of the first end portion to the middle of the elongated tube in the form of a straight line, a wavy line or a broken line.
In a possible realization mode, the root of the deformation groove is provided with a stress relief groove arranged at an included angle with the deformation groove.
In a possible implementation manner, the drainage structure of the railway bridge further comprises an inner supporting ring, wherein the inner supporting ring is of an elastic annular structure and is arranged inside the first end part of the extension pipe and used for supporting the first end part after the first end part is inserted into the cast iron pipe.
In a possible implementation manner, the inner wall of the first end part is provided with a limiting groove for accommodating the inner supporting ring.
In one possible implementation, the drainage structure of the railway bridge further comprises a drainage elbow, one end of the drainage elbow being connected to the second end of the extension pipe for draining water flowing out of the second end downwards.
In one possible embodiment, the free end of the flow-guiding tube has a round, flat or flared configuration.
In one possible implementation, the deformation groove is arranged opposite to the free end of the drainage bend.
In one possible implementation, the extension tube and the drainage bend are both PVC tubing.
In one possible implementation, the railway bridge drainage structure further comprises a cast iron pipe, a glue joint layer arranged between the cast iron pipe and the extension pipe, and a sealing edge layer arranged on the shell body at the periphery of the cast iron pipe.
The drainage structure of the railway bridge provided by the utility model has the beneficial effects that: compared with the prior art, after the rust removal is carried out on the cast iron pipe in use, the extension pipe with the outer diameter slightly larger than the inner diameter of the cast iron pipe is selected, the glue containing groove of the extension pipe is fully coated with the adhesive, the first end part of the extension pipe is extruded to reduce the outer diameter of the first end part, then the extension pipe is inserted into the cast iron pipe from the outside, and the cast iron pipe and the extension pipe are filled with the adhesive and are firmly bonded; can utilize to hold gluey groove like this and bring into in the cast iron pipe more adhesives to utilize the elasticity of first end itself to extrude the adhesive, make the adhesive fully fill up the space between cast iron pipe and the extension pipe, avoid intaking in this space, can easy to assemble, be favorable to promoting joint strength, the installation back not only the extension pipe is more firm, and is also better to the protection effect of cast iron pipe.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic cross-sectional structural diagram of a drainage structure of a railway bridge provided in an embodiment of the present invention in a use scenario;
FIG. 2 is a schematic view of a partially enlarged cross-sectional structure of a drainage structure of a railway bridge according to an embodiment of the present invention;
fig. 3 is a schematic top view of a drainage structure of a railway bridge according to an embodiment of the present invention.
Wherein the reference numerals in the figures are as follows:
10. an extension tube; 11. a glue containing groove; 12. a deformation groove; 13. a stress relief groove; 14. a limiting groove;
20. an inner bracing ring; 30. a drainage elbow; 40. a glue joint layer; 50. a sealing layer; 60. a cast iron pipe;
70. and (5) bridge deck.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The drainage structure of the railway bridge according to the present invention will now be described.
Referring to fig. 1 to 3 together, a drainage structure for a railway bridge according to a first embodiment of the present invention includes an extension pipe 10, the extension pipe 10 having a first end portion inserted into a cast iron pipe 60 and a second end portion extending to the outside of a bridge deck 70, the first end portion being of an elastic structure and having an outer diameter greater than an inner diameter of the cast iron pipe 60, an outer wall of the first end portion being provided with a glue receiving groove 11 for receiving an adhesive and a deformation groove 12 provided along an axial direction of the extension pipe 10, the deformation groove 12 penetrating through an inner wall and an outer wall of the extension pipe 10 for allowing the first end portion of the extension pipe 10 to be reduced in outer diameter after being compressed so as to be inserted into the cast iron pipe 60.
Compared with the prior art, in the drainage structure for the railway bridge provided by the embodiment, after the cast iron pipe 60 is subjected to rust removal in use, the extension pipe 10 with the outer diameter slightly larger than the inner diameter of the cast iron pipe 60 is selected, the glue containing groove 11 of the extension pipe 10 is fully coated with the adhesive, the first end part of the extension pipe 10 is extruded to reduce the outer diameter of the first end part, then the extension pipe 10 is inserted into the cast iron pipe 60 from the outside, and the cast iron pipe 60 and the extension pipe 10 are fully filled with the adhesive and are firmly bonded; can utilize like this to hold gluey groove 11 and bring into cast iron pipe 60 more adhesives in to utilize the elasticity of first end self to extrude the adhesive, make the adhesive fully fill up the space between cast iron pipe 60 and the extension pipe 10, avoid intaking in this space, can easy to assemble, be favorable to promoting joint strength, not only extension pipe 10 is more firm after the installation, and is also better to cast iron pipe 60's protection effect.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is further provided as follows:
the glue receiving grooves 11 are annularly or spirally arranged on the outer wall of the first end portion around the axial direction of the extension pipe 10 to facilitate the application of the adhesive and to enable the adhesive to be more uniformly distributed between the extension pipe 10 and the cast iron pipe 60.
The deformation groove 12 extends from the end of the first end portion toward the middle of the extension pipe 10 in the form of a straight line, a wavy line, or a broken line.
The root of the deforming groove 12 is provided with a stress relief groove 13 arranged at an angle to the deforming groove 12 so as to relieve the stress of the root of the deforming groove 12, so that the part of the extension pipe 10 provided with the deforming groove 12 can be compressed into a cylindrical structure with a uniform diameter and basically the same diameter. The stress relief groove 13 is preferably a linear groove and preferably has a perpendicular to the deformation groove 12.
The drainage structure of the railway bridge further comprises an inner supporting ring 20, wherein the inner supporting ring 20 is of an elastic annular structure and is arranged inside the first end part of the extension pipe 10 and used for expanding the first end part after the first end part is inserted into the cast iron pipe 60 so as to prevent the extension pipe 10 from shaking, and the adhesive between the extension pipe 10 and the cast iron pipe 60 can be extruded to enable the distribution of the adhesive to be more uniform.
The inner wall of the first end part is provided with a limiting groove 14 for accommodating the inner supporting ring 20 so as to prevent the inner supporting ring 20 from losing efficacy due to slippage after installation.
The drainage structure of the railway bridge further comprises a drainage elbow 30, one end of the drainage elbow 30 is connected with the second end of the extension pipe 10, and water flowing out from the second end is drained downwards.
The free end of the drainage elbow 30 is in a round mouth structure, a flat mouth structure or a horn mouth structure.
The deformation groove 12 is arranged opposite to the free end of the drainage bent pipe 30, so that the deformation groove 12 is always upward after installation, and water leakage at the deformation groove 12 is avoided.
The extension pipe 10 and the drainage bent pipe 30 are both PVC pipes.
The railway bridge drainage structure further includes a cast iron pipe 60, a glue layer 40 provided between the cast iron pipe 60 and the extension pipe 10, and a capping layer 50 provided on the shell at the outer periphery of the cast iron pipe 60.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a railway bridge drainage structures which characterized in that includes:
the extension pipe is provided with a first end part inserted into the cast iron pipe and a second end part extending to the outside of the bridge floor, the first end part is of an elastic structure, the outer diameter of the first end part is larger than the inner diameter of the cast iron pipe, the outer wall of the first end part is provided with a glue containing groove for containing adhesive and a deformation groove arranged along the axial direction of the extension pipe, and the deformation groove penetrates through the inner wall and the outer wall of the extension pipe and is used for enabling the outer diameter of the first end part of the extension pipe to be reduced after the first end part is compressed so as to be inserted into the cast iron pipe.
2. The railway bridge drainage structure of claim 1, wherein: the glue containing groove is annularly or spirally arranged on the outer wall of the first end part around the axis direction of the extension pipe.
3. The railway bridge drainage structure of claim 1, wherein: the deformation groove extends from the end of the first end part to the middle part of the extension pipe in the form of a straight line, a wavy line or a broken line.
4. A railway bridge drainage structure as claimed in claim 1 or 3, wherein: the root of the deformation groove is provided with a stress release groove which forms an included angle with the deformation groove.
5. The railway bridge drainage structure of claim 1, wherein: the railway bridge drainage structure further comprises an inner supporting ring, wherein the inner supporting ring is of an elastic annular structure and is arranged inside the first end part of the extension pipe, and the inner supporting ring is used for supporting the first end part after the first end part is inserted into the cast iron pipe.
6. The railway bridge drainage structure of claim 5, wherein: and the inner wall of the first end part is provided with a limit groove for accommodating the inner support ring.
7. The railway bridge drainage structure of claim 1, wherein: the railway bridge drainage structure further comprises a drainage elbow, wherein one end of the drainage elbow is connected with the second end of the extension pipe and used for downwards draining water flowing out of the second end.
8. The railway bridge drainage structure of claim 7, wherein: the free end of the drainage bent pipe is of a round mouth structure, a flat mouth structure or a horn mouth structure.
9. The railway bridge drainage structure of claim 7, wherein: the deformation groove is arranged opposite to the free end of the drainage bent pipe; the extension pipe and the drainage bent pipe are both PVC pipes.
10. The railway bridge drainage structure of claim 1, wherein: the railway bridge drainage structure further comprises the cast iron pipe, a glue joint layer arranged between the cast iron pipe and the extension pipe, and a sealing edge layer arranged on the shell on the periphery of the cast iron pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824526.XU CN216238109U (en) | 2021-11-17 | 2021-11-17 | Railway bridge drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824526.XU CN216238109U (en) | 2021-11-17 | 2021-11-17 | Railway bridge drainage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216238109U true CN216238109U (en) | 2022-04-08 |
Family
ID=80945411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122824526.XU Active CN216238109U (en) | 2021-11-17 | 2021-11-17 | Railway bridge drainage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216238109U (en) |
-
2021
- 2021-11-17 CN CN202122824526.XU patent/CN216238109U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220421 Address after: 266100 No. 8, Tianhai Road, Hongdao street, Hongdao Economic Zone, Qingdao, Shandong Patentee after: China Railway 14th Bureau Group Qingdao Engineering Co.,Ltd. Patentee after: China Railway 14th Bureau Group No.5 Engineering Co., Ltd Address before: 266100 No. 8, Tianhai Road, Hongdao street, Hongdao Economic Zone, Qingdao, Shandong Patentee before: China Railway 14th Bureau Group Qingdao Engineering Co.,Ltd. |