CN220396809U

CN220396809U - Hydraulic engineering pipeline

Info

Publication number: CN220396809U
Application number: CN202321757465.2U
Authority: CN
Inventors: 陈云峰; 金承健; 鲍潇彬; 黄涛; 吴超然
Original assignee: Yiwu Drainage Co ltd
Current assignee: Yiwu Drainage Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-01-26
Anticipated expiration: 2033-07-06

Abstract

The utility model relates to a hydraulic engineering pipeline, including first pipeline and second pipeline, first pipeline with the second pipeline passes through the ring flange structure and connects, first pipeline is close to second pipeline's one end inner wall department has seted up first annular and has arranged first sealing washer in first annular department; a second ring groove is formed in the inner wall of one end, close to the first pipeline, of the second pipeline, and a second sealing ring is arranged at the second ring groove; the first pipeline and the second pipeline are further provided with a UV curing pipe at the joint, the UV curing pipe covers the joint seam of the first pipeline and the second pipeline, the UV curing pipe tightly presses the first sealing ring on the inner wall of the first annular groove, and the UV curing pipe tightly presses the second sealing ring on the inner wall of the second annular groove. The engineering pipeline with the sealing structure improves the sealing capability of the engineering pipeline by arranging the UV curing pipe.

Description

Hydraulic engineering pipeline

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering pipeline.

Background

The hydraulic engineering pipeline plays a role of a bridge in hydraulic facilities and is used for conveying high-pressure pipeline water. The pipeline is formed by connecting a plurality of pipeline units, and adjacent pipeline units need to be sealed to prevent leakage of the pipeline. In the prior art, the end part of a pipeline is provided with a flange plate, and adjacent pipelines are connected through the flange plate. The sealing method of the pipeline is to arrange sealing rings on the abutting surfaces of adjacent pipelines and compress the sealing rings through the adjacent pipelines so as to seal the pipelines.

The inventor believes that after the pipeline is used for a long time, the sealing ring may have ageing failure probability, so that the sealing performance of the pipeline is reduced, and leakage probability exists, and therefore the inventor provides a pipeline with good sealing performance.

Disclosure of Invention

In order to solve the problem that pipeline sealing performance reduces, reveal easily appears, this application provides a hydraulic engineering pipeline.

The hydraulic engineering pipeline adopts the following technical scheme:

the hydraulic engineering pipeline comprises a first pipeline and a second pipeline, wherein the first pipeline and the second pipeline are connected through a flange plate structure, a first annular groove is formed in the inner wall of one end of the first pipeline, which is close to the second pipeline, and a first sealing ring is arranged at the first annular groove; a second ring groove is formed in the inner wall of one end, close to the first pipeline, of the second pipeline, and a second sealing ring is arranged at the second ring groove; the first pipeline and the second pipeline are further provided with a UV curing pipe at the joint, the UV curing pipe covers the joint seam of the first pipeline and the second pipeline, the UV curing pipe tightly presses the first sealing ring on the inner wall of the first annular groove, and the UV curing pipe tightly presses the second sealing ring on the inner wall of the second annular groove.

Through adopting above-mentioned technical scheme, during the installation pipeline, set up the UV curing pipe in the junction of first pipeline and second pipeline, when the inflation solidification of UV curing pipe, can compress tightly the first sealing washer of arranging at first pipeline inner wall and the second sealing washer of arranging in the second pipeline for when high-pressure water flows through from the pipeline, be difficult for revealing from the junction of first pipeline and second pipeline. Compared with the sealing structure that the sealing ring is directly arranged on the abutting surface of the adjacent pipeline, the sealing structure of the pipeline improves the sealing capability of the hydraulic engineering pipeline.

Optionally, a first limiting groove is formed in the end portion, close to the second pipeline, of the first pipeline, and the first annular groove is arranged at the inner wall of the first limiting groove; the end part of the second pipeline, which is close to the first pipeline, is provided with a second limit groove, and the second annular groove is arranged at the inner wall of the second limit groove; the first limit groove and the second limit groove form a limit total groove, and the UV curing tube is provided with a limit convex part embedded in the limit total groove.

Through adopting above-mentioned technical scheme, when the solidification of UV curing pipe is popped, the spacing convex part of UV curing pipe can imbed spacing total inslot, has improved the combination degree of UV curing pipe and pipeline inner wall in hydraulic engineering pipeline for the UV curing pipe is difficult for being washed away under the environment of high-pressure water, and has strengthened hydraulic engineering pipeline's sealing capability.

Optionally, the length of the UV curing tube outside the limit protrusion is not less than 30mm.

Through adopting above-mentioned technical scheme, when the inflation of UV curing pipe solidification, because the length that is located the spacing convex part outside in the UV curing pipe is longer, can bear great bending deformation force, the both ends of UV curing pipe can remain throughout and closely laminate with hydraulic engineering pipeline inner wall, have improved the combination degree of UV curing pipe and hydraulic engineering pipeline.

Optionally, the first pipeline is provided with a first annular fillet at the inner edge of the bottom surface of the first limit groove; the second pipeline is provided with a second annular fillet at the inner edge of the bottom surface of the second limiting groove.

Through adopting above-mentioned technical scheme, the UV curing pipe can closely laminate with first spacing groove and second spacing groove when solidification inflation, through setting up annular fillet with sharp border for the UV curing pipe is difficult for causing the fracture damage because of receiving great shear stress in the inflation.

Optionally, the first pipeline is provided with annular slot in the outside of first spacing groove still, the second pipeline is provided with the annular insert block of inserting in the annular slot.

Through adopting above-mentioned technical scheme, when first pipeline and second pipeline butt joint installation, can fix a position through the cooperation of annular slot and annular inserted block, the installation of the pipeline of being convenient for to can improve the joint strength of adjacent pipeline.

Optionally, the end face of the first pipeline, which is close to the second pipeline, is further provided with a third annular groove located outside the annular slot, a third sealing ring is arranged in the third annular groove, and a third sealing convex ring used for the third sealing ring to abut against is arranged at the end part of the second pipeline.

Through adopting above-mentioned technical scheme, after the UV curing pipe seals the joint seam of first pipeline and second pipeline, the butt face of first pipeline and second pipeline sets up the third sealing washer again, can further improve the sealing capability of engineering pipeline.

Optionally, the inner wall of the water inlet end of the UV curing tube is provided with an annular guide surface.

Through adopting above-mentioned technical scheme, the guide surface can lead the high-pressure water in the pipeline for water passes through from the intraductal of UV curing pipe, reduces the volume that water got into from the gap between UV curing pipe and the engineering pipeline inner wall, thereby has improved the sealing performance of engineering pipeline.

Optionally, the first pipeline is in the inboard of first spacing groove still is provided with and is used for supplying the laminating of UV curing tube first annular rough surface, the second pipeline is in the inboard of second spacing groove still is provided with and is used for supplying the laminating of UV curing tube second annular rough surface.

Through adopting above-mentioned technical scheme, when the solidification of UV curing tube is installed in engineering pipeline, the spacing convex part embedding of UV curing tube is spacing always grooved, and the both ends of UV curing tube respectively with first annular rough surface and the annular rough surface butt of second for the UV curing tube is difficult for sliding under the impact of high-pressure water, has improved the combination degree of UV curing tube and engineering pipeline inner wall.

Optionally, the flange plate structure includes set up in first flange of first pipeline tip, set up in second flange of second pipeline tip, six group connection first flange with the bolt and nut pair of second flange.

By adopting the technical scheme, a specific form of the flange plate structure is disclosed. The first pipeline and the second pipeline are fixed through the first flange and the second flange in a bolt connection mode, the installation process of the connection mode is simple and convenient, the circumferential force is uniform, and the structural strength is high.

Optionally, the first sealing ring and the second sealing ring are both provided with annular deformation cavities.

Through adopting above-mentioned technical scheme, the in-process of UV curing tube solidification inflation can extrude the deformation to the sealing washer, designs into hollow structure with the sealing washer for improve the deformability of sealing washer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hydraulic engineering pipeline is characterized in that a first sealing ring is arranged on the inner wall of a first pipeline, a second sealing ring is arranged on the inner wall of a second pipeline, and a UV curing pipe is arranged at the joint of the first pipeline and the second pipeline, so that the first sealing ring and the second sealing ring can be tightly pressed when the UV curing pipe is cured and expanded, and the sealing capacity of the engineering pipeline is improved;

2. the combination degree of the UV curing tube and the engineering pipeline is improved through the clamping fit of the limit convex part of the UV curing tube and the limit total groove and the fit of the two ends of the UV curing tube and the first annular rough surface and the second annular rough surface;

3. through setting up the guide surface in the water inlet end inner wall department of UV curing pipe for the intraductal high-pressure water homoenergetic of engineering pipeline passes through from the intraductal of UV curing pipe, is difficult for passing through from the gap between UV curing pipe and the engineering pipeline inner wall, thereby has improved the sealing performance of engineering pipeline.

Drawings

Fig. 1 is an overall sectional view of a hydraulic engineering pipeline in this embodiment.

Fig. 2 is a partial enlarged view at a in fig. 1.

Reference numerals illustrate: 1. a first pipe; 11. a first flange; 12. an annular slot; 13. a first limit groove; 14. a first ring groove; 15. a first seal ring; 16. a first annular roughened surface; 17. a guide surface; 18. a first annular fillet; 19. a third ring groove; 2. a second pipe; 21. a second flange; 22. an annular insert; 23. the second limit groove; 24. a second ring groove; 25. a second seal ring; 26. a second annular roughened surface; 27. a second annular fillet; 28. a third sealing collar; 3. a bolt and nut pair; 4. a UV curing tube; 41. a limit protrusion; 42. a first abutting portion; 43. a second abutting portion; 5. deforming the cavity; 6. a limit total groove; 7. and a third sealing ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a hydraulic engineering pipeline.

Referring to fig. 1 and 2, a hydraulic engineering pipeline is formed by splicing a plurality of pipeline units. In the present embodiment, the pipe unit includes a first pipe 1 and a second pipe 2, and the first pipe 1 and the second pipe 2 are connected by a flange structure. The end part of the first pipeline 1 is provided with a first flange 11, the end part of the second pipeline 2 is provided with a second flange 21 corresponding to the first flange 11, and the first flange 11 and the second flange 21 are connected through six groups of bolt-nut pairs 3, so that the connection strength is high. In order to further improve the connection strength, the end face of the first pipeline 1 facing the second pipeline 2 is provided with an annular slot 12, and the end face of the second pipeline 2 facing the first pipeline 1 is provided with an annular insert block 22 in clamping fit with the annular slot 12.

Referring to fig. 2, the hydraulic engineering pipeline further includes a sealing structure for sealing the connection seam between the first pipeline 1 and the second pipeline 2. The sealing structure comprises a first limit groove 13 which is arranged in the first pipeline 1 and is close to the end part of the second pipeline 2, a second limit groove 23 which is arranged in the second pipeline 2 and is close to the end part of the first pipeline 1, a first annular groove 14 which is arranged at the inner wall of the first limit groove 13, a second annular groove 24 which is arranged at the inner wall of the second limit groove 23, a first sealing ring 15, a second sealing ring 25 and a UV curing tube 4. The first sealing ring 15 is disposed at the first ring groove 14, and the thickness of the first sealing ring 15 is greater than the depth of the first ring groove 14, such that a portion of the first sealing ring 15 protrudes from the first ring groove 14. The second sealing ring 25 is disposed at the second ring groove 24, and the thickness of the second sealing ring 25 is greater than the depth of the second ring groove 24, such that a portion of the second sealing ring 25 protrudes from the second ring groove 24. The first seal ring 15 and the second seal ring 25 are hollow structures and have annular deformation cavities 5.

Referring to fig. 2, the first limiting groove 13 penetrates into the end face of the first pipe 1 facing the second pipe 2 along the length direction, and the second limiting groove 23 penetrates into the end face of the second pipe 2 facing the first pipe 1 along the length direction, so that the first limiting groove 13 and the second limiting groove 23 are connected to form a limiting total groove 6.

Referring to fig. 1, the uv-curing tube 4 has a pre-curing expansion state and a post-curing expansion state. When the UV curing tube 4 is in a state before curing expansion, the UV curing tube 4 is a hollow tube, the UV curing tube 4 is conveyed to a connecting joint of the first pipeline 1 and the second pipeline 2 through a pipeline trolley, the UV curing tube 4 is expanded through an air bag device arranged on the pipeline trolley, so that the UV curing tube 4 is attached to the inner wall of an engineering pipeline, and finally the UV curing tube 4 is cured through an ultraviolet lamp curing device arranged on the pipeline trolley, so that the UV curing tube 4 is in a state after curing expansion.

Referring to fig. 2, when the UV-curing tube 4 is in the cured and expanded state, the UV-curing tube 4 includes a limit protrusion 41 inserted into the limit groove 6, a first abutting portion 42 connected to one end of the limit protrusion 41 and abutting against the inner wall of the first pipe 1, and a second abutting portion 43 connected to the other end of the limit protrusion 41 and abutting against the inner wall of the second pipe 2. When the limit protrusion 41 is embedded in the limit total groove 6, the limit protrusion 41 abuts against the first seal ring 15 and the second seal ring 25, the limit protrusion 41 presses and deforms the first seal ring 15 into the first ring groove 14, and the limit protrusion 41 presses and deforms the second seal ring 25 into the second ring groove 24. The lengths of the first abutting portion 42 and the second abutting portion 43 are not less than 30mm, preferably 30mm in this place, the length of the limit protruding portion 41 is not less than 80mm, preferably 80mm in this place, and the abutting surface of the first pipe 1 with the first abutting portion 42 is provided with a first annular rough surface 16 for the UV-curing pipe 4 to be attached, and the abutting surface of the second pipe 2 with the second abutting portion 43 is provided with a second annular rough surface 26 for the UV-curing pipe 4 to be attached, so that the degree of combination of the UV-curing pipe 4 and the engineering pipe is improved.

Referring to fig. 1 and 2, the UV-curing tube 4 has a water inlet end and a water outlet end, in this embodiment, the water inlet end is located on the side of the UV-curing tube 4 within the first pipe 1 and the water outlet end is located on the side of the UV-curing tube 4 within the second pipe 2. The UV curing tube 4 is provided with an annular guiding surface 17 on the inner wall of the inlet tube, i.e. the inner wall of the first abutment 42, for guiding the water in the engineering pipeline.

Referring to fig. 2, the first pipe 1 is provided with a first annular rounded corner 18 at the inner edge of the bottom surface of the first limiting groove 13, and the second pipe 2 is provided with a second annular rounded corner 27 at the inner edge of the bottom surface of the second limiting groove 23, so that the UV curing pipe 4 is not easily damaged by the sharp inner edge in the expansion curing process.

Referring to fig. 2, in order to further improve the sealing capability of the hydraulic engineering pipeline, the first pipeline 1 is provided with a third annular groove 19 at the end surface near the second pipeline 2 and outside the annular slot 12, and a third sealing ring 7 is arranged in the third annular groove 19, and the end of the second pipeline 2 is provided with a third sealing convex ring 28 for pressing the third sealing ring 7 in the third annular groove 19.

With reference to fig. 1 to 2, the implementation principle of the hydraulic engineering pipeline in the embodiment of the present application is as follows: through set up first sealing washer 15 and set up second sealing washer 25 at the inner wall of first pipeline 1 and at the inner wall of second pipeline 2 to through set up UV curing pipe 4 in the junction of first pipeline 1 and second pipeline 2, make UV curing pipe 4 when solidification inflation and engineering pipeline inner wall laminating, can all compress tightly first sealing washer 15 and second sealing washer 25, thereby improve engineering pipeline's sealing capability.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The hydraulic engineering pipeline comprises a first pipeline (1) and a second pipeline (2), wherein the first pipeline (1) and the second pipeline (2) are connected through a flange plate structure, and the hydraulic engineering pipeline is characterized in that a first annular groove (14) is formed in the inner wall of one end, close to the second pipeline (2), of the first pipeline (1), and a first sealing ring (15) is arranged at the first annular groove (14); a second annular groove (24) is formed in the inner wall of one end, close to the first pipeline (1), of the second pipeline (2), and a second sealing ring (25) is arranged at the second annular groove (24); the first pipeline (1) with second pipeline (2) still are equipped with UV curing tube (4) in junction, UV curing tube (4) will first pipeline (1) with the connection seam lid of second pipeline (2), UV curing tube (4) will first sealing washer (15) compress tightly first annular (14) inner wall, UV curing tube (4) will second sealing washer (25) compress tightly in second annular (24) inner wall.

2. A hydraulic engineering pipeline according to claim 1, characterized in that the first pipeline (1) is provided with a first limit groove (13) at the end close to the second pipeline (2), and the first ring groove (14) is arranged at the inner wall of the first limit groove (13); a second limit groove (23) is formed in the end part, close to the first pipeline (1), of the second pipeline (2), and the second annular groove (24) is arranged at the inner wall of the second limit groove (23); the first limiting groove (13) and the second limiting groove (23) form a limiting total groove (6), and the UV curing tube (4) is provided with a limiting convex part (41) embedded into the limiting total groove (6).

3. A hydraulic engineering pipeline according to claim 2, wherein the length of the UV curing tube (4) located outside the limit protrusion (41) is not less than 30mm.

4. A hydraulic engineering pipeline according to claim 2, characterized in that the first pipeline (1) is provided with a first annular fillet (18) at the inner edge of the bottom surface of the first limit groove (13); the second pipeline (2) is provided with a second annular fillet (27) at the inner edge of the bottom surface of the second limiting groove (23).

5. A hydraulic engineering pipeline according to claim 2, characterized in that the first pipeline (1) is further provided with an annular slot (12) outside the first limit slot (13), and the second pipeline (2) is provided with an annular insert block (22) inserted into the annular slot (12).

6. A hydraulic engineering pipeline according to claim 5, characterized in that the first pipeline (1) is further provided with a third annular groove (19) located outside the annular slot (12) at the end face close to the second pipeline (2), a third sealing ring (7) is arranged in the third annular groove (19), and a third sealing convex ring (28) for the third sealing ring (7) to abut is arranged at the end part of the second pipeline (2).

7. A hydraulic engineering pipeline according to claim 1, characterized in that the UV-curing tube (4) is provided with an annular guiding surface (17) at the inner wall of the water inlet end.

8. A hydraulic engineering pipeline according to claim 2, characterized in that the first pipeline (1) is further provided with a first annular rough surface (16) for the UV-curing tube (4) to attach on the inner side of the first limit groove (13), and the second pipeline (2) is further provided with a second annular rough surface (26) for the UV-curing tube (4) to attach on the inner side of the second limit groove (23).

9. The hydraulic engineering pipeline according to claim 1, wherein the flange plate structure comprises a first flange (11) arranged at the end part of the first pipeline (1), a second flange (21) arranged at the end part of the second pipeline (2), and six groups of bolt-nut pairs (3) connected with the first flange (11) and the second flange (21).

10. A hydraulic engineering pipeline according to claim 1, characterized in that the first sealing ring (15) and the second sealing ring (25) are each provided with an annular deformation cavity (5).