CN210531778U - Sealing device for inspection well of heat distribution pipeline - Google Patents
Sealing device for inspection well of heat distribution pipeline Download PDFInfo
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- CN210531778U CN210531778U CN201920863334.XU CN201920863334U CN210531778U CN 210531778 U CN210531778 U CN 210531778U CN 201920863334 U CN201920863334 U CN 201920863334U CN 210531778 U CN210531778 U CN 210531778U
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- inspection well
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- sleeve
- pipe
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Abstract
The utility model discloses a heating power pipeline inspection shaft sealing device relates to the pipe sealing device field, including the inspection shaft body, the perforation hole has been seted up on the inspection shaft body, the perforation hole is inlayed and is equipped with the sleeve pipe, the heating power pipeline is worn to be equipped with coaxially in the sleeve pipe, it is provided with the centering support to correspond perforation hole inboard position on the sleeve pipe, the centering support includes that two symmetries set up half loop type fixture block on the heating power pipeline lateral wall, it is equipped with rubber apron, flange gland to set gradually the cover by interior outside to correspond perforation hole outside position on the heating power pipeline, the position forms a sealed chamber between centering support and the rubber apron, sealed intracavity is provided with the adsorption block, it has polyurethane liquid to adsorb on the adsorption block, possesses sealed effectual, the swift effect of installation.
Description
Technical Field
The utility model relates to a pipe-line sealing device field especially relates to a sealing device for heating power pipeline inspection shaft.
Background
The inspection well is used for rain sewage discharge pipelines, is a vertical well built at certain intervals on the underground pipeline position and is used for connecting pipelines with different pipe diameters, different directions and different heights, is mainly used for maintenance workers to regularly inspect and dredge the pipelines, clear away sludge foreign matters, prevent pipeline blockage and the like, and is one of the underground infrastructures of urban roads. The thermal pipeline inspection well often leaks, especially through-the-wall position, because the vibrations of pipeline, often leaks, once the leakage maintenance degree of difficulty is big. In addition, a common wall-through pipeline adopts a sleeve type sealing waterproof device, the structure is complex, a series of parts such as a water stop ring, a check ring and a rubber ring are needed, and when the expansion amount of the pipeline is large, the sealing structure on the upstream face is challenged greatly, no pretightening force exists, the sealing specific pressure is difficult to establish durably, and the durability is low; therefore, the inspection well pipeline sealing device which is good in sealing performance, strong in durability and simple in structure is always a very concerned problem.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide a heating power pipeline inspection shaft sealing device, possess sealed effectual, the swift effect of installation.
In order to realize the above purpose, the utility model discloses a technical scheme is: the utility model provides a thermal power pipeline inspection shaft sealing device, includes the inspection shaft body, the poling hole has been seted up on the inspection shaft body, coaxial the inlaying of poling hole is equipped with the sleeve pipe, the thermal power pipeline is worn to be equipped with coaxially in the sleeve pipe, it is provided with the centering support to correspond inspection shaft body one end position on the sleeve pipe, the centering support includes that two symmetries set up the semi-ring type elasticity fixture block on the thermal power pipeline lateral wall, be provided with the non-slip raised who is used for fixed thermal power pipeline along the circumference equipartition on the elasticity fixture block inner wall, it is equipped with rubber fender ring, flange gland to set gradually the cover by inside to outside to correspond poling hole outside position on the thermal power pipeline, correspond centering support and rubber fender position in the sleeve pipe and form a sealed chamber between the ring, sealed intracavity is provided.
In order to further optimize the utility model discloses, can prefer following technical scheme for use:
preferably, the outer side wall of the sleeve is provided with a semicircular protruding strip around the shaft, and the inner wall of the tube penetrating hole is provided with a positioning groove corresponding to the protruding strip.
Preferably, the sleeve pipe includes left body, the right body of two mutual assembling, left side body, right body are close to outside one end and are provided with mounting flange one, mounting flange two respectively, mounting flange one is used for installing the elasticity fixture block, mounting flange two-purpose is used for installing the flange gland.
Preferably, the position of the elastic clamping block corresponding to the inner wall of the mounting flange is provided with an annular mounting groove along the circumferential direction, the width of the mounting groove is matched with that of the elastic clamping block, the depth of the mounting groove is 2-4 mm, and the end face of one outer side of the mounting flange is provided with a cover plate.
Preferably, the inner wall of the inspection well body is coated with a waterproof slurry protective layer, and the thickness of the waterproof slurry protective layer is 15-20 mm.
Preferably, the inner diameter of the flange gland is 10-20 mm smaller than the outer diameter of the rubber baffle ring.
Preferably, the adsorption block comprises a cotton rope roll wound on the periphery of the heat distribution pipeline.
The beneficial effects of the utility model reside in that: the utility model adopts the installation of the sleeve and the centering support at the pipe penetrating position of the inspection well, and the centering and fixing of the thermal pipeline are carried out through the centering support, so as to ensure that the pipeline is arranged at the inner center of the sleeve to improve the installation stability of the thermal pipeline; the cotton rope soaked with YY17 modified polyurethane is filled between the rubber retaining ring and the centering support, the modified polyurethane is utilized to absorb moisture in the cavity of the sealer, the modified polyurethane expands to form a durable sponge body and is used for plugging the leakage channel, so that when the pipeline is under thermal stress and axial leakage occurs, the centering support does not move because the thermal pipeline is pressed on the centering support, the sealing cavity is ensured to change, when the pipeline radially leaks, sealing can still be realized because of the elasticity of the modified polyurethane, in addition, the outer diameter of the rubber retaining ring is smaller than the inner diameter of the flange gland, the pipeline can radially jump, and the rubber retaining ring has certain elastic deformation and can also adapt to the axial leakage of the pipeline.
Drawings
FIG. 1 is a schematic view of the overall structure of an inspection well;
FIG. 2 is an enlarged view of the structure at A;
FIG. 3 is a left side view of the cannula;
FIG. 4 is a cross-sectional view of a through-bore;
fig. 5 is a schematic view of the internal structure of the adsorption block.
Wherein: 1-inspection well body, 2-heat power pipeline, 3-waterproof slurry protective layer, 4-perforated hole, 5-right pipe body, 6-elastic clamping block, 7-left pipe body, 8-adsorption block, 9-sealing cavity, 10-rubber retaining ring, 11-flange pressing cover, 12-cover plate, 13-mounting groove, 14-anti-skid bulge, 15-cotton rope roll, 16-positioning groove and 17-bulge strip.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
Example 1
As shown in fig. 1-5, a heat distribution pipeline inspection well sealing device comprises an inspection well body 1, wherein a pipe penetrating hole is formed in the inspection well body 1, a sleeve is coaxially embedded in the pipe penetrating hole 4, a semicircular protruding strip 17 is axially installed on the outer side wall of the sleeve, a positioning groove 16 which is in a shape similar to the protruding strip is formed in the inner wall of the pipe penetrating hole 4 corresponding to the protruding strip 17, and the position stability of the sleeve in the pipe penetrating hole can be ensured by the mutually matched positioning groove 16 and the protruding strip 17 so as to prevent the sleeve from rotating in the pipe penetrating hole; the sleeve is internally coaxially provided with a heat pipeline 2 in a penetrating way, the sleeve comprises a left pipe body 7 and a right pipe body 5 which are mutually assembled, one ends of the left pipe body 7 and the right pipe body 5 close to the outer side are respectively provided with a first mounting flange and a second mounting flange, one end of the sleeve corresponding to the inspection well body is provided with a centering support, the centering support comprises two semi-ring type elastic clamping blocks 6 which are symmetrically arranged on the outer side wall of the heat pipeline, anti-skid protrusions 14 for fixing the heat pipeline are uniformly arranged on the inner wall of each elastic clamping block along the circumferential direction, the first mounting flange is used for mounting the elastic clamping blocks, an annular mounting groove 13 is arranged on the inner wall of the first mounting flange corresponding to the position of the elastic clamping blocks along the circumferential direction, the width of the mounting groove 13 is matched with the width of the elastic clamping blocks, the depth of the mounting groove is, the cover plate 12 is used for fixing the elastic clamping block, and the thermal power pipeline is centered and fixed through the centering support, so that the pipeline is ensured to be arranged at the inner center of the sleeve so as to improve the installation stability of the thermal power pipeline.
A rubber retaining ring and a flange gland are sequentially installed and sleeved on the thermal pipeline from inside to outside corresponding to the outer side position of the pipe penetrating hole, the installation flange is used for installing the flange gland, the inner diameter of the flange gland 11 is smaller than the outer diameter of the rubber retaining ring 10 by 15mm, and therefore the radial jumping of the pipeline is guaranteed, and the rubber retaining ring 10 has certain elastic deformation and can also adapt to the axial displacement of the pipeline; a sealing cavity 9 is formed in the sleeve corresponding to the position between the centering support and the rubber retaining ring, an adsorption block 8 is installed in the sealing cavity 9, the adsorption block comprises a cotton rope roll 15 wound on the periphery of the thermal power pipeline, YY17 modified polyurethane is adsorbed on the cotton rope roll, YY17 modified polyurethane is bicomponent, non-filler, non-solvent, low-viscosity, active and elastic polyurethane grouting resin, an elastic impermeable seal is formed after the two components react, the cotton rope roll soaked with the YY17 modified polyurethane is filled between the rubber retaining ring and the centering support, the modified polyurethane is utilized to absorb moisture in the cavity of the sealer to expand, a durable sponge body is formed, and a leakage channel is plugged, so that the stability of the pipeline under thermal stress is ensured; the inspection well comprises an inspection well body, wherein a waterproof slurry protective layer 3 is coated on the inner wall of the inspection well body, the thickness of the waterproof slurry protective layer 3 is 20mm, the inner wall of the inspection well body is protected through the waterproof slurry protective layer, the service life of the whole inspection well body is prolonged, and the maintenance frequency is reduced.
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, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, and all changes, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a heating power pipeline inspection shaft sealing device, includes the inspection shaft body, its characterized in that: the inspection well comprises an inspection well body, and is characterized in that a pipe penetrating hole is formed in the inspection well body, a sleeve is coaxially embedded in the pipe penetrating hole, a thermal pipeline is coaxially arranged in the sleeve in a penetrating mode, a centering support is arranged at one end of the sleeve corresponding to the inspection well body, the centering support comprises two semi-ring-shaped elastic clamping blocks symmetrically arranged on the outer side wall of the thermal pipeline, anti-skid protrusions used for fixing the thermal pipeline are arranged on the inner wall of each elastic clamping block along the circumferential direction in an evenly distributed mode, rubber retaining rings and flange pressing covers are sequentially arranged on the thermal pipeline corresponding to the outer side of the pipe penetrating hole from inside to outside, a sealing cavity is formed between the centering support and the rubber retaining rings in the sleeve in a corresponding mode, an adsorption block is arranged in the.
2. A thermodynamic pipe manhole sealing device as claimed in claim 1, wherein: the outer side wall of the sleeve is provided with a semicircular protruding strip around a shaft, and a positioning groove in a shape corresponding to the protruding strip is formed in the inner wall of the tube penetrating hole.
3. A thermodynamic pipe manhole sealing device as claimed in claim 1, wherein: the sleeve pipe includes left body, the right body of two mutual assembling, left side body, right body are close to outside one end and are provided with mounting flange one, mounting flange two respectively, mounting flange one is used for installing the elasticity fixture block, mounting flange two-purpose is used for the mounting flange gland.
4. A thermodynamic pipe manhole sealing device as claimed in claim 3, wherein: the installation flange is characterized in that an annular installation groove is formed in the inner wall of the installation flange and corresponds to the position of the elastic clamping block along the circumferential direction, the width of the installation groove is matched with that of the elastic clamping block, the depth of the installation groove is 2-4 mm, and a cover plate is arranged on the end face of one outer side of the installation flange.
5. A thermodynamic pipe manhole sealing device as claimed in claim 1, wherein: the inspection well comprises an inspection well body and is characterized in that a waterproof slurry protective layer is coated on the inner wall of the inspection well body, and the thickness of the waterproof slurry protective layer is 15-20 mm.
6. A thermodynamic pipe manhole sealing device as claimed in claim 1, wherein: the inner diameter of the flange gland is 10-20 mm smaller than the outer diameter of the rubber baffle ring.
7. A thermodynamic pipe manhole sealing device as claimed in claim 1, wherein: the adsorption block comprises a cotton rope roll wound on the periphery of the heat distribution pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920863334.XU CN210531778U (en) | 2019-06-10 | 2019-06-10 | Sealing device for inspection well of heat distribution pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920863334.XU CN210531778U (en) | 2019-06-10 | 2019-06-10 | Sealing device for inspection well of heat distribution pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531778U true CN210531778U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920863334.XU Active CN210531778U (en) | 2019-06-10 | 2019-06-10 | Sealing device for inspection well of heat distribution pipeline |
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| Country | Link |
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| CN (1) | CN210531778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236869A (en) * | 2021-06-25 | 2021-08-10 | 广船国际有限公司 | Sealing structure between pipeline and wall plate and ship |
| CN114378842A (en) * | 2021-12-30 | 2022-04-22 | 北京中煤矿山工程有限公司 | Rope rail driving device of coal mine vertical shaft robot |
-
2019
- 2019-06-10 CN CN201920863334.XU patent/CN210531778U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236869A (en) * | 2021-06-25 | 2021-08-10 | 广船国际有限公司 | Sealing structure between pipeline and wall plate and ship |
| CN114378842A (en) * | 2021-12-30 | 2022-04-22 | 北京中煤矿山工程有限公司 | Rope rail driving device of coal mine vertical shaft robot |
| CN114378842B (en) * | 2021-12-30 | 2023-12-01 | 北京中煤矿山工程有限公司 | Rope rail driving device of coal mine vertical robot |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230420 Address after: Room 1701, Unit 2, Building 6, Lefu International, No. 86 Jinhua Road, Shangjie District, Zhengzhou City, Henan Province, 450041 Patentee after: ZHENGZHOU SAINUO BUILDING MATERIAL Inc. Address before: 450041 No.288, xijiangou village, Xiawo Town, Shangjie District, Zhengzhou City, Henan Province Patentee before: Wang Fuzhou |
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| TR01 | Transfer of patent right |