CN113585429A - Interface structure of inspection well and pipeline and construction method - Google Patents
Interface structure of inspection well and pipeline and construction method Download PDFInfo
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- CN113585429A CN113585429A CN202110820675.0A CN202110820675A CN113585429A CN 113585429 A CN113585429 A CN 113585429A CN 202110820675 A CN202110820675 A CN 202110820675A CN 113585429 A CN113585429 A CN 113585429A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/021—Connection of sewer pipes to manhole shaft
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Abstract
The invention discloses an interface structure of an inspection well and a pipeline and a construction method, wherein the interface structure comprises an inspection well body, prefabricated connecting pieces are symmetrically fixed at the lower part of the inspection well body, and the prefabricated connecting pieces are fixedly butted with a pipeline for draining water; the pipeline is provided with scale prompt lines for controlling the installation length, and the scale prompt lines are enabled to be flush with the outer side wall of the prefabricated connecting piece during installation; the end face part of the pipeline matched with the prefabricated connecting piece is provided with a detachable end face sealing structure which can be replaced; and a joint sealing structure is arranged at the butt joint part of the pipeline and the prefabricated connecting piece. The interface structure has the advantages of convenient construction, reliable interface connection and convenient later maintenance.
Description
Technical Field
The invention relates to the technical field of pipeline installation structures, in particular to an interface structure of an inspection well and a pipeline and a construction method.
Background
The reinforced concrete pipeline is widely applied to urban drainage, the inspection well and the pipeline are connected by adopting short pipes at the present stage, cement mortar fills gaps, the connector belongs to rigid connection and is easy to crack under the influence of uneven settlement, so that the connector leaks, and the outside water infiltrates into the pipeline or the sewage infiltrates into the water body, so that the sewage concentration is reduced or the water environment is polluted. Furthermore, such interfaces are difficult to later repair.
Disclosure of Invention
The invention aims to provide an interface structure of an inspection well and a pipeline and a construction method.
In order to achieve the technical features, the invention is realized as follows: an interface structure of an inspection well and a pipeline comprises an inspection well body, wherein prefabricated connecting pieces are symmetrically fixed on the lower part of the inspection well body, and pipelines for draining water are fixed on the prefabricated connecting pieces in a butt joint mode; the pipeline is provided with scale prompt lines for controlling the installation length, and the scale prompt lines are enabled to be flush with the outer side wall of the prefabricated connecting piece during installation; the end face part of the pipeline matched with the prefabricated connecting piece is provided with a detachable end face sealing structure which can be replaced; and a joint sealing structure is arranged at the butt joint part of the pipeline and the prefabricated connecting piece.
The prefabricated connecting piece comprises a rectangular block body, a central through hole is machined in the central position of the rectangular block body, and a bearing groove for a pipeline is machined in the periphery of the central through hole.
The prefabricated connecting piece adopts a prefabricated piece and is poured and fixed together in the cast-in-place process of the inspection well body.
Two ends of the pipeline are respectively provided with a pipeline socket or a pipeline socket; or both ends of the pipeline adopt pipeline sockets, and the pipeline is cut on site to form the pipeline socket according to the requirement when in use.
During installation, a gap H is formed between the end of the pipeline and the end face of the bearing groove of the prefabricated connecting piece, and the value of the H is 1-3 mm.
The value of H is 2 mm.
The detachable end face sealing structure comprises an end face sealing rubber ring arranged between the pipeline and the matching end face of the prefabricated connecting piece, the inner ring of the end face sealing ring is provided with the rubber ring, and the inner ring of the rubber ring is provided with a support ring.
The support ring is a stainless steel ring, and a notch facilitating necking installation of the support ring is machined in the support ring; a first grouting hole is processed on the support ring;
a second grouting hole matched with the first grouting hole is processed on the rubber ring;
the end face sealing rubber ring is formed by injecting polysulfide sealant or polyurethane sealant into the matching end face of the pipeline and the prefabricated connecting piece through the second grouting hole and the first grouting hole after the rubber ring and the support ring are installed.
The joint sealing structure comprises an annular surface sealing ring filled in an annular gap between the pipeline and the prefabricated connecting piece, cement mortar is adopted to level the outer side of the butt joint part of the pipeline and the prefabricated connecting piece, and a mortar sealing ring is formed.
The construction method of the interface structure of the inspection well and the pipeline comprises the following steps:
the method comprises the following steps: when the inspection well body is built, a prefabricated connecting piece is directly adopted at a pipeline interface, and the prefabricated connecting piece is poured together with the well body when the inspection well body is in place;
step two: after the construction of the inspection well body is completed, the pipeline installation is carried out, the pipeline is connected with the prefabricated connecting piece, a pipeline socket can be manufactured by customizing the pipeline with double pipeline sockets or cutting the pipeline on site, a scale prompt line is made in advance during installation, the installation is controlled strictly according to a control line, a certain width gap is reserved between the pipe orifice of the pipeline and the prefabricated connecting piece, and after the pipeline is installed in place, the pipeline is ensured to be stable by using a pipe gasket;
step three: forming a ring surface sealing ring in an annular gap between the pipeline and the prefabricated connecting piece after injecting polysulfide sealant or polyurethane sealant through a sealing glue gun, and trowelling the outer side by adopting cement mortar to form a mortar sealing ring;
step four: pouring concrete cushion layer bases at the bottoms of the pipelines within a certain length at two sides of the inspection well body to ensure the stability of the pipelines;
step five: after the pipeline is stably supported, firstly installing a rubber ring, then installing a support ring, and after the installation is finished, injecting polysulfide sealant or polyurethane sealant through a second grouting hole matched with a first grouting hole arranged on the support ring and the rubber ring to form an end face sealing rubber ring;
step six: after the stable use for a long time, because the peripheral construction disturbance causes the interface to leak, when needing to maintain this interface: and removing the support ring and the rubber ring, cleaning the sealing rubber ring, then installing the rubber ring and the support ring again, and injecting polysulfide sealant or polyurethane sealant into a second grouting hole matched with a first grouting hole formed in the support ring and the rubber ring to form the end face sealing rubber ring.
The invention has the following beneficial effects:
1. the interface structure through adopting above-mentioned structure can realize the quick reliable connection between pipeline and the inspection shaft body, and the maintenance of its later stage of still being convenient for moreover.
2. Through adopting foretell prefabricated connecting piece to guarantee it can carry out pouring and the construction of integration with the inspection shaft body, through the butt joint between with prefabricated connecting piece and the pipeline, improved the installation effectiveness moreover.
3. Through foretell installation arrangement mode, improved the installation fixed efficiency of prefabricated connecting piece, guaranteed the reliability of its installation.
4. The pipeline facilitates subsequent installation and butt joint, and improves the flexibility of use.
5. The gap formed by the above structure can facilitate the arrangement of the follow-up detachable end face sealing structure.
6. The end face sealing structure has the advantages that the purpose of end face sealing is achieved through the detachable end face sealing structure, and the detachable end face sealing structure is convenient to detach and replace in the subsequent using process and convenient to maintain.
7. The supporting ring with the structure can play a good supporting role for the rubber ring, prevent the rubber ring from collapsing and ensure the supporting rigidity of the rubber ring.
8. The rubber ring can play a good sealing effect.
9. The end face sealing rubber ring can achieve the purpose of end face sealing.
10. The joint sealing structure can form annular sealing at the joint part, so that the sealing effect is ensured.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a front view of the prefabricated connecting element of the invention.
Fig. 3 is a D-D view of the prefabricated joint of fig. 2 according to the present invention.
FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention.
Fig. 5 is an enlarged partial view of the interface between the pipe and the prefabricated coupling of the present invention.
Fig. 6 is a partial enlarged view of a1 in fig. 5 according to the present invention.
Fig. 7 is a partial enlarged view of B of fig. 6 according to the present invention.
Fig. 8 is a partial enlarged view of C of fig. 6 according to the present invention.
Figure 9 is a front view of a support ring of the present invention.
Figure 10 is a left side view of the support ring of the present invention.
Fig. 11 is a front view of the rubber ring of the present invention.
In the figure: the inspection well comprises a prefabricated connecting piece 1, an inspection well body 2, a pipeline socket 3, a pipeline socket 4, a pipeline 5, a water flow direction 6, a scale prompt line 7, a support ring 8, a rubber ring 9, a sealing rubber ring 10, a mortar sealing ring 11 and a ring surface sealing ring 12;
the bearing comprises a rectangular block body 101, a bearing groove 102 and a central through hole 103;
a notch 801, a first grouting hole 802;
and a second injection hole 901.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-11, an interface structure of an inspection well and a pipeline comprises an inspection well body 2, prefabricated connecting pieces 1 are symmetrically fixed on the lower part of the inspection well body 2, and a pipeline 5 for draining water is butt-jointed and fixed on the prefabricated connecting pieces 1; the pipeline 5 is provided with a scale prompt line 7 for controlling the installation length, and the scale prompt line 7 is ensured to be flush with the outer side wall of the prefabricated connecting piece 1 during installation; the end face part of the pipeline 5 matched with the prefabricated connecting piece 1 is provided with a replaceable detachable end face sealing structure; and a joint sealing structure is arranged at the butt joint part of the pipeline 5 and the prefabricated connecting piece 1. The interface structure through adopting above-mentioned structure can realize the quick reliable connection between pipeline and inspection shaft body 2, and the maintenance of its later stage of still being convenient for moreover.
Further, the prefabricated connecting piece 1 comprises a rectangular block body 101, a central through hole 103 is machined in the central portion of the rectangular block body 101, and a receiving groove 102 for the pipeline 5 is machined in the periphery of the central through hole 103. Through adopting foretell prefabricated connecting piece 1 to guarantee that it can carry out pouring and construction of integration with inspection shaft body 2, through the butt joint between with prefabricated connecting piece 1 and pipeline 5, improved the installation effectiveness moreover.
Furthermore, the prefabricated connecting piece 1 adopts a prefabricated piece and is cast and fixed together in the cast-in-place process of the inspection well body 2. Through foretell installation arrangement mode, improved the installation fixed efficiency of prefabricated connecting piece 1, guaranteed the reliability of its installation.
Furthermore, two ends of the pipeline 5 are respectively provided with a pipeline socket 3 or a pipeline socket 4; or both ends of the pipeline 5 adopt the pipeline bellmouths 3, and the pipeline is cut on site to form the pipeline sockets 4 according to requirements when in use. The pipeline 5 facilitates the subsequent installation and butt joint, and improves the flexibility of use.
Further, when the prefabricated connecting piece is installed, a gap H is formed between the end head of the pipeline 5 and the end face of the bearing groove 102 of the prefabricated connecting piece 1, and the value of the gap H is 1-3 mm. The gap formed by the above structure can facilitate the arrangement of the follow-up detachable end face sealing structure.
Further, the value of H is 2 mm.
Furthermore, dismantlement formula end face seal structure is including setting up the end face seal rubber ring 10 between pipeline 5 and prefabricated connecting piece 1 cooperation terminal surface, is provided with rubber ring 9 at the inner circle of end face seal rubber ring 10, the inner circle of rubber ring 9 is provided with support ring 8. The end face sealing structure has the advantages that the purpose of end face sealing is achieved through the detachable end face sealing structure, and the detachable end face sealing structure is convenient to detach and replace in the subsequent using process and convenient to maintain.
Further, the support ring 8 is a stainless steel ring, and a notch 801 facilitating the installation of a necking is machined in the support ring 8; a first injection hole 802 is formed in the support ring 8. The supporting ring 8 with the structure can well support the rubber ring 9, prevent the rubber ring from collapsing and ensure the supporting rigidity of the rubber ring.
Further, a second grouting hole 901 for matching with the first grouting hole 802 is processed on the rubber ring 9. The rubber ring 9 can play a good role in sealing.
Further, the end face sealing rubber ring 10 is a sealing ring formed by injecting polysulfide sealant or polyurethane sealant into the end face of the pipe 5 and the prefabricated connecting piece 1 through the second grouting hole 901 and the first grouting hole 802 after the rubber ring 9 and the support ring 8 are installed. The end face seal rubber ring 10 can achieve the purpose of end face seal.
Further, the joint sealing structure comprises a ring surface sealing ring 12 filled in an annular gap between the pipeline 5 and the prefabricated connecting piece 1, cement mortar is adopted to level the outer side of the butt joint part of the pipeline 5 and the prefabricated connecting piece 1, and a mortar sealing ring 11 is formed. The joint sealing structure can form annular sealing at the joint part, so that the sealing effect is ensured.
Example 2:
the construction method of the interface structure of the inspection well and the pipeline comprises the following steps:
the method comprises the following steps: when the inspection well body 2 is built, the prefabricated connecting piece 1 is directly adopted at the pipeline interface, and the prefabricated connecting piece 1 is poured together with the well body when the inspection well body 2 is in place;
step two: after the construction of the inspection well body 2 is completed, the pipeline 5 is installed, the pipeline 5 is connected with the prefabricated connecting piece 1, the pipeline 5 with the double-pipeline bellmouths 3 can be customized or the pipeline is cut on site to manufacture the pipeline sockets 4, during installation, a scale prompt line 7 is made in advance, installation is controlled strictly according to a control line, a certain width gap is reserved between the pipe orifice of the pipeline 5 and the prefabricated connecting piece 1, and after the installation is in place, the pipeline 5 is ensured to be stable by using a pipe gasket;
step three: after polysulfide sealant or polyurethane sealant is injected through a sealant gun, an annular surface sealing ring 12 is formed in an annular gap between the pipeline 5 and the prefabricated connecting piece 1, and the outer side of the annular surface sealing ring is trowelled by cement mortar to form a mortar sealing ring 11;
step four: pouring concrete cushion bases at the bottoms of the pipelines 5 in a certain length at two sides of the inspection well body 2 to ensure the stability of the pipelines 5;
step five: after the pipeline 5 is stably supported, firstly installing the rubber ring 9, then installing the support ring 8, and after the installation, injecting polysulfide sealant or polyurethane sealant through a second grouting hole 901 matched with a first grouting hole 802 arranged on the support ring 8 and the rubber ring 9 to form an end face sealing rubber ring 10;
step six: after the stable use for a long time, because the peripheral construction disturbance causes the interface to leak, when needing to maintain this interface: the supporting ring 8 and the rubber ring 9 are removed, the sealing rubber ring 10 is cleaned and removed, the rubber ring 9 and the supporting ring 8 are installed again, and polysulfide sealant or polyurethane sealant is injected through a second grouting hole 901 matched with a first grouting hole 802 formed in the supporting ring 8 and the rubber ring 9 to form the end face sealing rubber ring 10.
Claims (10)
1. The utility model provides an interface structure of inspection shaft and pipeline which characterized in that: the inspection well comprises an inspection well body (2), prefabricated connecting pieces (1) are symmetrically fixed on the lower portion of the inspection well body (2), and pipelines (5) for draining water are fixedly butted on the prefabricated connecting pieces (1); the pipeline (5) is provided with scale prompt lines (7) for controlling the installation length, and the scale prompt lines (7) are ensured to be flush with the outer side wall of the prefabricated connecting piece (1) during installation; the end face part of the pipeline (5) matched with the prefabricated connecting piece (1) is provided with a replaceable detachable end face sealing structure; and a joint sealing structure is arranged at the butt joint part of the pipeline (5) and the prefabricated connecting piece (1).
2. An interface structure of an inspection well and a pipeline according to claim 1, wherein: the prefabricated connecting piece (1) comprises a rectangular block body (101), a central through hole (103) is machined in the central position of the rectangular block body (101), and a bearing groove (102) for a pipeline (5) is machined in the periphery of the central through hole (103).
3. An interface structure of an inspection well and a pipeline according to claim 1 or 2, wherein: the prefabricated connecting piece (1) adopts a prefabricated piece and is poured and fixed together in the cast-in-place process of the inspection well body (2).
4. An interface structure of an inspection well and a pipeline according to claim 1, wherein: two ends of the pipeline (5) are respectively provided with a pipeline socket (3) or a pipeline socket (4); or both ends of the pipeline (5) adopt pipeline sockets (3), and the pipeline is cut on site to form pipeline sockets (4) according to requirements when in use.
5. An interface structure of an inspection well and a pipeline according to claim 1, wherein: during installation, a gap H is formed between the end of the pipeline (5) and the end face of the bearing groove (102) of the prefabricated connecting piece (1), and the value of the gap H is 1-3 mm.
6. An interface structure between an inspection well and a pipeline according to claim 5, wherein: the value of H is 2 mm.
7. An interface structure of an inspection well and a pipeline according to claim 1, wherein: the detachable end face sealing structure comprises an end face sealing rubber ring (10) arranged between the matching end faces of the pipeline (5) and the prefabricated connecting piece (1), a rubber ring (9) is arranged on the inner ring of the end face sealing rubber ring (10), and a supporting ring (8) is arranged on the inner ring of the rubber ring (9).
8. An interface structure between an inspection well and a pipeline according to claim 7, wherein: the support ring (8) is a stainless steel ring, and a notch (801) convenient for necking installation is machined in the support ring (8); a first grouting hole (802) is processed on the support ring (8);
a second grouting hole (901) matched with the first grouting hole (802) is processed on the rubber ring (9);
the end face sealing rubber ring (10) is a sealing ring formed by injecting polysulfide sealant or polyurethane sealant into the matching end face of the pipeline (5) and the prefabricated connecting piece (1) through the second grouting hole (901) and the first grouting hole (802) after the rubber ring (9) and the support ring (8) are installed.
9. An interface structure of an inspection well and a pipeline according to claim 1, wherein: the joint sealing structure comprises an annular surface sealing ring (12) filled in an annular gap between the pipeline (5) and the prefabricated connecting piece (1), cement mortar is adopted to level the outer side of the butt joint part of the pipeline (5) and the prefabricated connecting piece (1), and a mortar sealing ring (11) is formed.
10. A method of constructing an inspection well and pipe joint structure according to any one of claims 1 to 9, comprising the steps of:
the method comprises the following steps: when the inspection well body (2) is built, the prefabricated connecting piece (1) is directly adopted at the pipeline interface, and the prefabricated connecting piece (1) is poured together with the well body when the inspection well body (2) is in place;
step two: after the construction of the inspection well body (2) is completed, the pipeline (5) is installed, the pipeline (5) is connected with the prefabricated connecting piece (1), the pipeline (5) of the customized double-pipeline bellmouth (3) can be adopted or the pipeline is cut on site to manufacture a pipeline socket (4), during installation, a scale prompt line (7) is made in advance, installation is controlled strictly according to a control line, a gap with a certain width is reserved between the pipe orifice of the pipeline (5) and the prefabricated connecting piece (1), and after the installation is in place, the pipeline (5) is ensured to be stable by using a pipe gasket;
step three: after polysulfide sealant or polyurethane sealant is injected through a sealant gun, an annular surface sealing ring (12) is formed in an annular gap between the pipeline (5) and the prefabricated connecting piece (1), and the outer side of the annular surface sealing ring is smoothed by cement mortar to form a mortar sealing ring (11);
step four: pouring concrete cushion bases at the bottoms of the pipelines (5) in certain lengths at two sides of the inspection well body (2) to ensure the stability of the pipelines (5);
step five: after the pipeline (5) is stably supported, firstly installing a rubber ring (9), then installing a support ring (8), and after the installation is finished, injecting polysulfide sealant or polyurethane sealant into a second grouting hole (901) matched with a first grouting hole (802) formed in the support ring (8) and the rubber ring (9) to form an end face sealing rubber ring (10);
step six: after the stable use for a long time, because the peripheral construction disturbance causes the interface to leak, when needing to maintain this interface: the supporting ring (8) and the rubber ring (9) are disassembled, the rubber ring (10) is cleaned and removed, then the rubber ring (9) and the supporting ring (8) are installed again, and polysulfide sealant or polyurethane sealant is injected into a second grouting hole (901) matched with a first grouting hole (802) formed by the supporting ring (8) and the rubber ring (9) to form the end face sealing rubber ring (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110820675.0A CN113585429B (en) | 2021-07-20 | 2021-07-20 | Interface structure of inspection well and pipeline and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232758A (en) * | 2021-12-02 | 2022-03-25 | 重庆安特管业有限公司 | Method for installing polyethylene winding structure wall pipe |
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| CN200949263Y (en) * | 2006-06-12 | 2007-09-19 | 刘维华 | Concrete inspection well with overlapped socket |
| CN201526732U (en) * | 2009-02-06 | 2010-07-14 | 周永清 | Socketing connecting fiber reinforced composite material jacking pipe |
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