CN221097911U - Port sealing device for non-excavation repair construction of underground pipeline - Google Patents
Port sealing device for non-excavation repair construction of underground pipeline Download PDFInfo
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- CN221097911U CN221097911U CN202323093260.1U CN202323093260U CN221097911U CN 221097911 U CN221097911 U CN 221097911U CN 202323093260 U CN202323093260 U CN 202323093260U CN 221097911 U CN221097911 U CN 221097911U
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- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 230000008439 repair process Effects 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000009412 basement excavation Methods 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 71
- 239000000463 material Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 102100037978 InaD-like protein Human genes 0.000 description 1
- 101150003018 Patj gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application relates to a port sealing device for non-excavation repair construction of an underground pipeline, which is applied to the technical field of pipeline repair construction and comprises the following components: the port sealing ring covers the inner wall of the original pipeline and the inner wall of the lining pipe; the thin-wall lantern ring is attached to the inner surface of the port sealing ring; the expansion part is arranged on the thin-wall lantern ring, and the thin-wall lantern ring is expanded by the expansion part, so that the port sealing ring is tightly attached to the inner wall of the original pipeline and the inner wall of the lining pipe. The port sealing device can realize the sealing between the port of the cured lining hose and the port of the original pipeline, improve the port sealing property, solve the problem of gap leakage between the lining hose and the original pipeline, and ensure the repair service life of the pipeline.
Description
Technical Field
The application relates to the technical field of pipeline repair construction, in particular to a port sealing device for non-excavation repair construction of an underground pipeline.
Background
Most underground pipelines in China are updated and repaired by adopting a traditional mode of firstly excavating and then re-burying the pipelines, and the method has the advantages that the defect treatment of the pipelines is thorough, the construction quality is well mastered, but the traditional excavating and repairing mode can cause the influence of disturbing people, traffic and environment due to the fact that underground pipelines are complex and urban roads are numerous.
The conventional pipeline trenchless repair technology comprises an ultraviolet light curing repair method, a trenchless spiral winding repair method, a thermal inversion CIPP repair method and the like, wherein the ultraviolet light curing repair method is widely applied in the characteristics of high efficiency and high quality.
The ultraviolet curing repair technology is that a resin lining hose is dragged into an original pipeline, then a pricking head is arranged at two ends of the lining hose, and then the inside of the pipe is inflated and expanded, so that the lining hose is tightly attached to the original pipeline, the original pipeline is taken as an outer membrane, the lining hose is taken as an inner membrane, then the resin is cured under the irradiation of ultraviolet light to form the integral repair technology of the pipeline with a certain strength of the composite lining pipe, and finally the repaired pipeline is obtained, but the problem that the repaired pipeline lacks further treatment on the sealing performance between the port of the cured lining hose and the port of the original pipeline in the construction process of the ultraviolet curing repair method, the port sealing performance is deficient, the leakage problem occurs between the lining hose and the original pipeline, and the repair service life of the pipeline is shortened.
Disclosure of utility model
The application provides a port sealing device for non-excavation repair construction of an underground pipeline, which aims to overcome the defect that leakage between a lining hose and an original pipeline is caused by poor sealing performance between a cured lining hose port and the original pipeline port and the service life of pipeline repair is shortened.
The application provides a port sealing device for non-excavation repair construction of an underground pipeline, which adopts the following technical scheme:
port sealing device for non-excavation repair construction of underground pipeline, including:
the port sealing ring covers the inner wall of the original pipeline and the inner wall of the lining pipe;
The thin-wall lantern ring is attached to the inner surface of the port sealing ring;
The expansion part is arranged on the thin-wall lantern ring, and the thin-wall lantern ring is expanded by the expansion part, so that the port sealing ring is tightly attached to the inner wall of the original pipeline and the inner wall of the lining pipe.
Through adopting above-mentioned technical scheme, port sealing device installs in pipeline port department, makes the port sealing washer can cover former pipeline inner wall and inside lining pipe inner wall, under the effect of extension part, expands the thin wall lantern ring, and the thin wall lantern ring then acts on the port sealing washer, makes the port sealing washer hug closely former pipeline inner wall and inside lining pipe inner wall to realize solidifying sealing between inside lining hose port and the former pipeline port, improve port leakproofness, solved the problem that clearance seepage appears between inside lining hose and the former pipeline, ensured pipeline restoration life.
Optionally, the thin-wall lantern ring is formed by sequentially connecting and enclosing a plurality of thin-wall metal plates, the connected parts of the adjacent thin-wall metal plates are mutually overlapped, and the expansion part is arranged at the mutually overlapped part of the adjacent thin-wall metal plates.
Through adopting above-mentioned technical scheme, the thin wall lantern ring is enclosed in proper order by a plurality of thin wall metal sheets and closes the constitution, is convenient for change the specification size of thin wall lantern ring in order to be suitable for the pipeline restoration of different pipe diameters like this, and secondly the extension part sets up in the mutual stack department of adjacent thin wall metal sheets, then utilizes the extension part to reach the purpose of expansion through the mode of the specification of increase thin wall lantern ring (i.e. the diameter of increase thin wall lantern ring) to make the port sealing washer hug closely former pipeline inner wall and inside lining pipe inner wall, realize the port sealed effect.
Optionally, one end of the thin-walled metal plate is disposed above one end of one of the thin-walled metal plates adjacent thereto, and the other end of the thin-walled metal plate is disposed below one end of the other of the thin-walled metal plates adjacent thereto.
By adopting the technical scheme, the thin-wall metal plates are mutually distributed in such a way, so that the contact area of each thin-wall metal plate and the inner surface of the port sealing ring is the same, the acting force born by the port sealing ring can be balanced, and the situation that the existing thin-wall metal plates cannot be in contact with the inner surface of the port sealing ring can be avoided.
Optionally, the thin-walled metal plate is a thin-walled metal plate made of stainless steel.
By adopting the technical scheme, the stainless steel thin-wall metal plate is longer in corrosion-resistant service life, so that the service life of the port sealing device can be ensured, and the durability of port sealing is further ensured.
Optionally, a plurality of row expansion card holes are seted up to the one end of thin wall metal sheet, every row expansion card hole's quantity is the same and corresponds the setting each other, expansion waist type hole has been seted up to the other end of thin wall metal sheet, expansion waist type hole of thin wall metal sheet one end can cover rather than adjacent arbitrary row of thin wall metal sheet one end expansion card hole, expansion part is a plurality of expansion locking screw, the quantity of expansion locking screw is the same with a row expansion card hole's quantity, expansion locking screw passes in proper order expansion waist type hole with expansion card hole, and with expansion card hole threaded connection.
Through adopting above-mentioned technical scheme, reach the purpose of expansion through the specification of increase thin wall lantern ring (that is the diameter of increase thin wall lantern ring) mode to make the port sealing washer hug closely former pipeline inner wall and inside lining pipe inner wall, finally, the expansion waist hole covers a row of expansion card hole, uses the expansion locking screw to pass expansion waist hole and expansion card hole in proper order, and with expansion card hole threaded connection, come to fix a plurality of thin wall metal sheets interconnect, in order to constitute steadily thin wall lantern ring, act on the port sealing washer and realize the purpose of port sealing.
Optionally, a metal gasket is sleeved on the expansion locking screw, and the expansion locking screw abuts against the metal gasket on the thin-wall metal plate.
Through adopting above-mentioned technical scheme, the stability of extension locking screw can be promoted to the metal gasket, prevents that extension locking screw from producing not hard up after long-time use.
Optionally, the expansion locking screw and the metal gasket are also made of stainless steel materials.
By adopting the technical scheme, the stainless steel expansion locking screw and the metal gasket have longer corrosion-resistant service life, and the stability of the mutual connection and fixation of a plurality of thin-wall metal plates can be ensured.
Optionally, the port sealing ring is made of rubber material.
By adopting the technical scheme, the sealing effect of the port sealing ring made of rubber materials is more reliable and the service life is longer.
In summary, the application has the following beneficial technical effects:
1. The port sealing ring can cover the inner wall of the original pipeline and the inner wall of the lining pipe, under the action of the expansion part, the thin-wall lantern ring is expanded, and then the port sealing ring acts on the port sealing ring, so that the port sealing ring is tightly attached to the inner wall of the original pipeline and the inner wall of the lining pipe, the sealing between the port of the cured lining hose and the port of the original pipeline is realized, the port sealing performance is improved, the problem of gap leakage between the lining hose and the original pipeline is solved, and the repairing service life of the pipeline is ensured.
2. The thin-wall sleeve ring is formed by sequentially connecting and enclosing a plurality of thin-wall metal plates, so that the specification size of the thin-wall sleeve ring is convenient to change to be suitable for repairing pipelines with different pipe diameters, and the expansion part is arranged at the overlapping position of the adjacent thin-wall metal plates, so that the purpose of expansion is achieved by increasing the specification of the thin-wall sleeve ring (namely, increasing the diameter of the thin-wall sleeve ring) by using the expansion part, the port sealing ring is tightly attached to the inner wall of an original pipeline and the inner wall of a lining pipe, and the port sealing effect is realized.
Drawings
FIG. 1 is a schematic view of a port seal installed at a pipe port in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a port sealing device according to an embodiment of the present application.
Fig. 3 is a schematic diagram of a connection structure of a thin-walled metal plate according to an embodiment of the present application.
Reference numerals: 1. a port seal ring; 2. a thin-walled collar; 21. a thin-walled metal plate; 3. an expansion member; 31. expanding a locking screw; 32. expanding the clamping hole; 33. expanding the waist-shaped hole; 4. a metal gasket.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a port sealing device for non-excavation repair construction of an underground pipeline, which comprises a port sealing ring 1, a thin-wall lantern ring 2 and an expansion part 3, wherein the port sealing ring 1 is made of rubber materials with more reliable sealing effect and longer service life, and the port sealing device is arranged at a pipeline port during construction, so that the port sealing ring 1 covers the inner wall of an original pipeline and the inner wall of a lining pipe simultaneously. The thin-wall collar 2 is disposed on the inner surface of the port sealing ring 1, specifically, the thin-wall collar 2 is formed by sequentially connecting a plurality of thin-wall metal plates 21 end to form a circle, in the embodiment of the application, three thin-wall metal plates 21 are sequentially connected end to form a circle to form the thin-wall collar 2, and the thin-wall metal plates 21 are in an outward arch state on the inner surface of the port sealing ring 1, so as to be closely attached to the inner surface of the port sealing ring 1.
Here, the adjacent thin-walled metal plates 21 are overlapped, that is, one end of one thin-walled metal plate 21 is disposed above one end of one thin-walled metal plate 21 adjacent thereto, and the other end of one thin-walled metal plate 21 is disposed below one end of the other thin-walled metal plate 21 adjacent thereto, so that the three thin-walled metal plates 21 are arranged in such a manner that the contact area of each thin-walled metal plate 21 with the inner surface of the port seal ring 1 is the same, and thus the acting force applied to the port seal ring 1 can be balanced, and the state that one end of each thin-walled metal plate 21 is kept in contact with the inner surface of the port seal ring 1 can be avoided.
Referring to fig. 2, the expansion part 3 is disposed at the overlapping position of the adjacent thin-wall metal plates 21, and in the embodiment of the application, three thin-wall metal plates 21 are taken as an example, so that the expansion part 3 is disposed three in total, the thin-wall collar 2 can be expanded by using the expansion part 3, and then the thin-wall collar 2 acts on the port sealing ring 1, so that the port sealing ring 1 is tightly attached to the inner wall of the original pipeline and the inner wall of the lining pipe, thereby realizing the sealing between the port of the cured lining hose and the port of the original pipeline, improving the port sealing performance, solving the problem of gap leakage between the lining hose and the original pipeline, and ensuring the repair service life of the pipeline. And referring to fig. 3, specifically, a plurality of rows of expansion clamping holes 32 are formed at one end of the thin-wall metal plate 21, taking three rows of expansion clamping holes 32 as an example, the number of expansion clamping holes 32 in each row is six and all the expansion clamping holes are correspondingly arranged, and an expansion waist-shaped hole 33 is formed at the other end of the thin-wall metal plate 21, it should be noted that the expansion waist-shaped hole 33 at one end of the thin-wall metal plate 21 can cover any row of expansion clamping holes 32 at one end of the thin-wall metal plate 21 adjacent to the expansion waist-shaped hole, and the expansion component 3 comprises expansion locking screws 31 with the same number as that of the row of expansion clamping holes 32, that is, six expansion locking screws 31 can sequentially pass through the expansion waist-shaped holes 33 and the expansion clamping holes 32 and are in threaded connection with the expansion clamping holes 32.
The application increases the specification of the thin-wall lantern ring 2 (i.e. increases the diameter of the thin-wall lantern ring 2) by changing the mutual superposition degree of three thin-wall metal plates 21, so as to achieve the purpose of expansion, and act on the port sealing ring 1 to enable the port sealing ring 1 to be clung to the inner wall of the original pipeline and the inner wall of the lining pipe, and finally, the expansion waist-shaped hole 33 covers a row of expansion clamping holes 32, a metal gasket 4 is sleeved on the expansion locking screw 31, and the three thin-wall metal plates 21 are mutually connected and fixed by the expansion locking screw 31, so as to form a stable thin-wall lantern ring 2, and act on the port sealing ring 1 to achieve the purpose of port sealing.
The thin-wall metal plate 21, the expansion locking screw 31 and the metal gasket 4 are made of stainless steel materials, and the stainless steel materials are more corrosion-resistant and have longer service lives, so that the service lives of the port sealing devices can be ensured, and long-term port sealing can be established.
The embodiment of the application discloses a port sealing device for underground pipeline trenchless repair construction, which is implemented by the following principle: the port sealing device is arranged at the port of the pipeline, so that the port sealing ring 1 can cover the inner wall of the original pipeline and the inner wall of the lining pipe, under the action of the expansion part 3, the thin-wall lantern ring 2 is expanded, and then the thin-wall lantern ring 2 acts on the port sealing ring 1, so that the port sealing ring 1 is tightly attached to the inner wall of the original pipeline and the inner wall of the lining pipe, the sealing between the port of the cured lining hose and the port of the original pipeline is realized, the port sealing performance is improved, the problem of gap leakage between the lining hose and the original pipeline is solved, and the repairing service life of the pipeline is ensured.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. Port sealing device for non-excavation repair construction of underground pipeline, characterized by comprising:
The port sealing ring (1) covers the inner wall of the original pipeline and the inner wall of the lining pipe;
the thin-wall lantern ring (2) is attached to the inner surface of the port sealing ring (1);
The expansion part (3), the expansion part (3) is arranged on the thin-wall lantern ring (2), and the expansion part (3) is utilized to expand the thin-wall lantern ring (2) so that the port sealing ring (1) is tightly attached to the inner wall of the original pipeline and the inner wall of the lining pipe.
2. The port sealing device for non-excavation repair construction of an underground pipeline according to claim 1, wherein the thin-wall collar (2) is formed by sequentially connecting and enclosing a plurality of thin-wall metal plates (21), the connected parts of the adjacent thin-wall metal plates (21) are mutually overlapped, and the expansion part (3) is arranged at the mutually overlapped part of the adjacent thin-wall metal plates (21).
3. The port sealing device for non-excavation repair construction of an underground pipe according to claim 2, wherein one end of the thin-walled metal plate (21) is disposed above one end of one of the thin-walled metal plates (21) adjacent thereto, and the other end of the thin-walled metal plate (21) is disposed below one end of the other of the thin-walled metal plates (21) adjacent thereto.
4. The port sealing device for non-excavation repair construction of an underground pipeline according to claim 2, wherein the thin-walled metal plate (21) is a thin-walled metal plate made of stainless steel.
5. The port sealing device for non-excavation repair construction of an underground pipeline according to claim 2, wherein a plurality of rows of expansion clamping holes (32) are formed in one end of the thin-wall metal plate (21), the number of the expansion clamping holes (32) in each row is the same and the expansion clamping holes (33) are formed in the other end of the thin-wall metal plate (21), the expansion clamping holes (32) in any row of one end of the thin-wall metal plate (21) adjacent to the expansion clamping holes (33) can be covered by the expansion clamping holes (33) in one end of the thin-wall metal plate, the expansion part (3) is a plurality of expansion locking screws (31), the number of the expansion locking screws (31) is the same as the number of the expansion clamping holes (32) in one row, and the expansion locking screws (31) sequentially penetrate through the expansion clamping holes (33) and the expansion clamping holes (32) and are in threaded connection with the expansion clamping holes (32).
6. The port sealing device for non-excavation repair construction of an underground pipeline according to claim 5, wherein the expansion locking screw (31) is sleeved with a metal gasket (4), and the expansion locking screw (31) tightly abuts the metal gasket (4) on the thin-wall metal plate (21).
7. The port sealing device for non-excavation repair construction of an underground pipeline according to claim 6, wherein the expansion locking screw (31) and the metal gasket (4) are also made of stainless steel materials.
8. The port sealing device for non-excavation repair construction of an underground pipeline according to claim 1, wherein the port sealing ring (1) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323093260.1U CN221097911U (en) | 2023-11-15 | 2023-11-15 | Port sealing device for non-excavation repair construction of underground pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323093260.1U CN221097911U (en) | 2023-11-15 | 2023-11-15 | Port sealing device for non-excavation repair construction of underground pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN221097911U true CN221097911U (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323093260.1U Active CN221097911U (en) | 2023-11-15 | 2023-11-15 | Port sealing device for non-excavation repair construction of underground pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN221097911U (en) |
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2023
- 2023-11-15 CN CN202323093260.1U patent/CN221097911U/en active Active
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