CN216520209U

CN216520209U - Trenchless pressure pipeline convenient to overhaul

Info

Publication number: CN216520209U
Application number: CN202123010969.1U
Authority: CN
Inventors: 吴迪; 吴浩宁
Original assignee: Qingqu Intelligent Engineering Fuxin Co ltd
Current assignee: Qingqu Intelligent Engineering Fuxin Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-13
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a non-excavation pressure pipeline convenient to overhaul, which comprises a first pipeline, wherein connecting seats are arranged on the left end side and the right end side of the first pipeline, rotating valves are arranged on the connecting seats, a second pipeline is arranged on one side of the middle part of the first pipeline, and the bottom of the second pipeline is communicated with the first pipeline. According to the utility model, if the rotary valves at the two ends of the first pipeline need to be periodically overhauled, the rotary valves at the two ends only need to be closed in two directions, then the sealing covers are opened, the rotary valves in the first pipeline are overhauled after entering the second pipeline, and after the overhaul is finished, the sealing covers are recovered to keep a high-pressure sealing state in the pipeline.

Description

Trenchless pressure pipeline convenient to overhaul

Technical Field

The utility model relates to the technical field of pipeline maintenance, in particular to a non-excavation pressure pipeline convenient to maintain.

Background

The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, generally, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range, and is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, water conservancy engineering and various industrial devices.

The pipeline is generally laid under the ground due to the transportation working characteristics, if some parts inside the pipeline are leaked or need to be periodically overhauled, a greening vegetation layer laid on the upper portion of the pipeline is completely removed, filling soil on the upper portion of the pipeline is excavated, the whole pipeline or a pipeline valve body is inspected and repaired, the inside of the pipeline is in a high-pressure sealing state, so that if a control valve of the pipeline needs to be periodically inspected and maintained, the whole pipeline needs to be stopped and maintained, the inside of the pipeline is cut open and maintained, a user influencing the whole supply line can use the pipeline, the cut position of the pipeline needs to be repaired after the maintenance is finished, fillers and greening vegetation on the upper portion of the pipeline need to be recovered, the workload of maintainers is increased, and the pipeline is troublesome.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a non-excavation pressure pipeline convenient to overhaul.

In order to achieve the purpose, the utility model adopts the following technical scheme: a non-excavation type pressure pipeline convenient to overhaul comprises a first pipeline, wherein connecting seats are arranged on one sides of the left end and the right end of the first pipeline, rotating valves are arranged on the connecting seats, a second pipeline is arranged on one side of the middle of the first pipeline, the bottom of the second pipeline is communicated with the first pipeline, a connecting flange is fixedly connected to the upper end of the outer side of the second pipeline, a plurality of through holes are formed in the connecting flange at equal intervals, first sealing strips are arranged at the upper end of the second pipeline, sealing grooves are formed in the first sealing strips, a sealing cover is arranged at the upper end of the second pipeline, a plurality of threaded holes are formed in the sealing cover at equal intervals close to the edge, fixing bolts are connected in the threaded holes in a threaded mode, the lower ends of the fixing bolts respectively penetrate through the corresponding through holes, and second sealing strips are arranged at positions, close to the threaded holes, of the lower ends of the sealing covers, the middle part of the lower end of the second sealing strip is fixedly connected to the upper end of the third sealing strip.

As a further description of the above technical solution:

and heat insulation layers are arranged on the inner sides of the first pipeline and the second pipeline.

As a further description of the above technical solution:

and the outer sides of the first pipeline and the second pipeline are both provided with an anti-corrosion layer.

As a further description of the above technical solution:

and an anti-slip rubber sleeve is arranged on the rotary valve.

As a further description of the above technical solution:

and the sealing groove is clamped with the third sealing strip.

As a further description of the above technical solution:

the inner wall of the through hole is provided with a plurality of threads at equal intervals.

As a further description of the above technical solution:

the lower end of the sealing cover is provided with a moisture-proof layer.

The utility model has the following beneficial effects:

according to the utility model, if the rotary valves at the two ends of the first pipeline need to be periodically overhauled, the rotary valves at the two ends only need to be closed in two directions, then the sealing covers are opened, the rotary valves in the first pipeline are overhauled after entering the first pipeline from the second pipeline, after the overhaul is finished, the sealing covers are recovered, and a high-pressure sealing state in the pipeline is kept through the first sealing strip and the sealing groove on the second pipeline and the second sealing strip and the third sealing at the lower end of the sealing covers, so that the overhaul is convenient and rapid, after the overhaul is finished, the sealing covers are sealed, excavation and repair are not needed, so that the surrounding greening vegetation is protected, the workload of maintainers is reduced, and the working efficiency is improved.

Drawings

Fig. 1 is a first pipeline elevation view of a trenchless pressure pipeline for easy service according to the present invention;

FIG. 2 is a second pipeline open view of a trenchless pressure pipeline for ease of service in accordance with the present invention;

FIG. 3 is a schematic view of a cross pipe assembly structure of a trenchless pressure pipe convenient for maintenance according to the present invention;

fig. 4 is a schematic view of the bottom structure of the sealing cover of the trenchless pressure pipeline convenient for maintenance according to the present invention.

Illustration of the drawings:

1. a first conduit; 2. a second conduit; 3. a connecting flange; 4. a sealing cover; 5. fixing the bolt; 6. a rotary valve; 7. a connecting seat; 8. a through hole; 9. a first seal strip; 10. a heat-insulating layer; 11. a sealing groove; 12. a moisture barrier; 13. a threaded hole; 14. a second seal strip; 15. a third seal strip; 16. and an anti-corrosion layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a non-excavation type pressure pipeline convenient to overhaul comprises a first pipeline 1, wherein connecting seats 7 are arranged on one side of the left end and the right end of the first pipeline 1, rotating valves 6 are arranged on the connecting seats 7, a second pipeline 2 is arranged on one side of the middle of the first pipeline 1, the bottom of the second pipeline 2 is communicated with the first pipeline 1, a connecting flange 3 is fixedly connected to the upper end of the outer side of the second pipeline 2, a plurality of through holes 8 are equidistantly arranged on the connecting flange 3, a first sealing strip 9 is arranged at the upper end of the second pipeline 2, a sealing groove 11 is arranged on the first sealing strip 9, a sealing cover 4 is arranged at the upper end of the second pipeline 2, a plurality of threaded holes 13 are equidistantly arranged at the edge of the sealing cover 4, fixing bolts 5 are all in threaded connection in the threaded holes 13, the lower ends of the fixing bolts 5 respectively penetrate through the corresponding through holes 8, and second sealing strips 14 are arranged at the positions, close to the threaded holes 13, of the lower ends of the sealing covers 4, the lower extreme middle part fixed connection of second sealing strip 14 is in the upper end of third sealing strip 15, through the block of third sealing strip 15 with seal groove 11 for sealed lid 4 sealed effect is better, if the pipeline is the criss-cross pipeline, can be through setting up second pipeline 2 in criss-cross center department, more convenient when overhauing.

The inboard of first pipeline 1 and second pipeline 2 all is provided with heat preservation 10, carry out a heat retaining effect to the liquid of transportation in the pipeline, the outside of first pipeline 1 and second pipeline 2 all is provided with anti-corrosion coating 16, prevent that the pipeline outside from corroding and causing the inside liquid leakage of pipeline, be provided with anti-skidding rubber sleeve on the rotary valve 6, it slides to be difficult to take place when rotating rotary valve 6 to make things convenient for, seal groove 11 and third sealing strip 15 block, make the heat preservation effect of sealed lid 4 better, the equal equidistance of inner wall of through-hole 8 is provided with a plurality of screw threads, strengthen sealed lid 4 and flange 3 between sealed, the lower extreme of sealed lid 4 is provided with dampproof course 12, prevent sealed lid 4 bottom from weing and damaging, influence the leakproofness of whole pipeline.

The working principle is as follows: if need carry out the periodic overhaul to the rotary valve 6 at the both ends of first pipeline 1, only need carry out two-way closure with the rotary valve 6 at both ends, then open sealed lid 4, get into first pipeline 1 inside from second pipeline 2 and overhaul first pipeline 1 inside rotary valve 6, after the maintenance finishes, resume sealed lid 4, through first sealing strip 9 and seal groove 11 on the second pipeline 2 and second sealing strip 14 and the third sealing strip 15 of sealed lid 4 lower extreme, keep the high pressure seal state in the pipeline, overhaul convenient and fast, after finishing, it can to seal sealed lid 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a non-excavation pressure pipeline convenient to overhaul, includes first pipeline (1), its characterized in that: the pipeline sealing device is characterized in that connecting seats (7) are arranged on one sides of the left end and the right end of the first pipeline (1), rotating valves (6) are arranged on the connecting seats (7), a second pipeline (2) is arranged on one side of the middle of the first pipeline (1), the bottom of the second pipeline (2) is communicated with the first pipeline (1), a connecting flange (3) is fixedly connected to the upper end of the outer side of the second pipeline (2), a plurality of through holes (8) are equidistantly arranged on the connecting flange (3), a first sealing strip (9) is arranged at the upper end of the second pipeline (2), a sealing groove (11) is arranged on the first sealing strip (9), a sealing cover (4) is arranged at the upper end of the second pipeline (2), a plurality of threaded holes (13) are equidistantly arranged at the edge of the sealing cover (4), and fixing bolts (5) are all in the threaded holes (13), and the lower end of the fixing bolt (5) penetrates through the corresponding through holes (8) respectively, a second sealing strip (14) is arranged at the position, close to the threaded hole (13), of the lower end of the sealing cover (4), and the middle part of the lower end of the second sealing strip (14) is fixedly connected to the upper end of a third sealing strip (15).

2. An accessible trenchless pressure conduit as defined in claim 1 wherein: and heat-insulating layers (10) are arranged on the inner sides of the first pipeline (1) and the second pipeline (2).

3. An easy-to-service trenchless pressure pipe as claimed in claim 1 wherein: and the outer sides of the first pipeline (1) and the second pipeline (2) are both provided with an anti-corrosion layer (16).

4. An accessible trenchless pressure conduit as defined in claim 1 wherein: and an anti-skid rubber sleeve is arranged on the rotary valve (6).

5. An accessible trenchless pressure conduit as defined in claim 1 wherein: the sealing groove (11) is clamped with the third sealing strip (15).

6. An accessible trenchless pressure conduit as defined in claim 1 wherein: the inner wall of the through hole (8) is provided with a plurality of threads at equal intervals.

7. An accessible trenchless pressure conduit as defined in claim 1 wherein: the lower end of the sealing cover (4) is provided with a moisture-proof layer (12).