CN218643500U - Waterproof construction of prefabricated well and existing pipeline junction - Google Patents
Waterproof construction of prefabricated well and existing pipeline junction Download PDFInfo
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- CN218643500U CN218643500U CN202222899168.3U CN202222899168U CN218643500U CN 218643500 U CN218643500 U CN 218643500U CN 202222899168 U CN202222899168 U CN 202222899168U CN 218643500 U CN218643500 U CN 218643500U
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Abstract
The application relates to a waterproof structure of a joint of a prefabricated well and an existing pipeline, belonging to the technical field of municipal engineering drainage, and the waterproof structure comprises a prefabricated inspection well, a preset pipeline and a connecting pipeline; arranging an adhesive layer on the inner wall of the hole of the prefabricated inspection well; one end of the connecting pipeline is welded with the preset pipeline; the other end of the connecting pipeline extends into the prefabricated inspection well and is provided with a pipeline flanging which is mutually attached to the pasting layer of the prefabricated inspection well. Predetermine the pipeline and be in the same place with the more flexible connecting pipe welding, and stretch into the turn-ups in inspection shaft hole through connecting tube, closely laminate with the layer of pasting that the hole inner wall department of inspection shaft set up for sewage can not ooze when flowing through from here, ensures that sewage directly flows into in the inspection shaft and flows to adjacent pipeline, and the problem that pipeline and inspection shaft junction easily seeped water can be solved in this application.
Description
Technical Field
The application relates to municipal works drainage technology field, in particular to waterproof construction of prefabricated well and existing pipeline junction.
Background
At present, in municipal works drainage construction, drainage pipe and inspection shaft kneck adopt the pipeline to link to each other with inspection well hole mouth is direct or adopt waterproof sleeve pipe to reach the purpose of prevention of seepage water mostly, nevertheless because existing connected mode is inseparable enough, or the long-term maintenance of the time leads to the crack, therefore the phenomenon of sewage seepage appears easily, not only influences soil foundation on every side, causes the pollution to soil even, produces very big adverse effect to the environment. Therefore, the water seepage prevention structure at the joint of the pipeline and the inspection well is very critical.
Disclosure of Invention
The embodiment of the application provides a waterproof construction of prefabricated well and existing pipeline junction to pipeline and inspection shaft junction easily seeps water among the solution correlation technique problem.
The embodiment of the application provides a waterproof construction of prefabricated well and existing pipeline junction, includes:
the method comprises the following steps of prefabricating an inspection well, wherein a bonding layer is arranged on the inner wall of a hole of the prefabricated inspection well;
presetting a pipeline;
one end of the connecting pipeline is welded with the preset pipeline; the other end of the connecting pipeline extends into the prefabricated inspection well and is provided with a pipeline flanging which is mutually attached to the pasting layer of the prefabricated inspection well.
In some embodiments, the adhesive layer is made of asphalt.
In some embodiments, the inner diameter of the pipe flange is greater than the bore diameter of the prefabricated manhole.
In some embodiments, the connecting pipe is a PE pipe.
In some embodiments, the welding position of the connecting pipeline and the preset pipeline is a hot-melting connection.
In some embodiments, the diameter of the connecting pipe is larger than that of the preset pipe, and one end of the preset pipe connected with the connecting pipe extends into the connecting pipe.
In some embodiments, the prefabricated manhole is a concrete manhole.
In some embodiments, the prefabricated inspection well is formed by connecting multiple sections of well shafts, and the two adjacent sections of well shafts are connected in a tongue-and-groove splicing manner.
In some embodiments, the predetermined conduit is a UPVC pipe.
In some embodiments, a filling layer is arranged at a connecting gap between the prefabricated manhole hole and the connecting pipeline, and the filling layer comprises micro-expansion fine stone concrete.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a waterproof structure at the joint of a prefabricated well and an existing pipeline, and the waterproof structure comprises a prefabricated inspection well, a preset pipeline and a connecting pipeline; arranging an adhesive layer on the inner wall of the hole of the prefabricated inspection well; one end of the connecting pipeline is welded with the preset pipeline; the other end of the connecting pipeline extends into the prefabricated inspection well and is provided with a pipeline flanging which is mutually attached to the pasting layer of the prefabricated inspection well. Predetermine the pipeline and be in the same place with the more flexible connecting pipe welding, and stretch into the turn-ups in inspection shaft hole through connecting tube, closely laminate with the layer of pasting that the hole inner wall department of inspection shaft set up for sewage can not ooze when flowing through from here, ensures that sewage directly flows into in the inspection shaft and flows to adjacent pipeline. Therefore, the problem that the pipeline easily seeps water, leads to the environment to receive sewage pollution can be solved to this application embodiment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram provided in an embodiment of the present application;
fig. 2 is a schematic view of a piping flange provided in an embodiment of the present application.
In the figure:
1. prefabricating an inspection well; 2. flanging the pipeline; 3. welding joints; 4. presetting a pipeline; 5. and connecting the pipelines.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
The embodiment of the application provides a waterproof construction of prefabricated well and existing pipeline junction, and it can solve the problem that pipeline and inspection shaft junction easily seeped water among the correlation technique.
Referring to fig. 1 to 2, an embodiment of the present application provides a waterproof structure for a junction between a prefabricated well and an existing pipeline, including:
prefabricating an inspection well 1, a preset pipeline 4 and a connecting pipeline 5; arranging a sticking layer on the inner wall of the hole of the prefabricated inspection well 1; one end of the connecting pipeline 5 is welded with the preset pipeline 4; the other end of the connecting pipeline 5 extends into the prefabricated inspection well 1 and is provided with a pipeline flanging 2 which is mutually attached to the sticking layer of the prefabricated inspection well 1. Adopt welded mode will predetermine pipeline 4 and connecting tube 5 and link to each other, can make its zonulae occludens, sewage flows here, when flowing towards the inspection shaft direction, at the position of being connected of pipeline and prefabricated inspection shaft 1, in order to prevent that sewage from oozing from this position, 5 one ends of connecting tube that belong to flexible material carry out the turn-ups with the turn-ups instrument, later with pipeline turn-ups 2 with the waterproofing membrane pressfitting for the layer of pasting that prefabricated inspection shaft 1's hole inner wall department set up together, after it pastes the completion, attach on it with cement mortar as waterproof protection layer, ensure here can not ooze sewage.
In some alternative embodiments, referring to fig. 1 and 2, the present application provides a waterproof structure for a joint between a prefabricated well and an existing pipeline, in which the prefabricated well 1 is a concrete manhole, an inner diameter of a pipeline flange 2 of a connecting pipeline 5 is greater than a hole diameter of the prefabricated manhole 1, and an adhesive layer of the prefabricated manhole 1 is made of asphalt. Adopt the hole and the well body is in the concrete inspection shaft on same vertical face, because the hole position of inspection shaft is a disc, does not set up protruding structure, and the internal diameter of connecting tube 5 pipeline turn-ups 2 is greater than the hole diameter of prefabricated inspection shaft 1, is fit for in this scheme closely linking to each other with the layer of pasting in the inspection shaft pipeline turn-ups 2.
Under some use cases, the layer of pasting of prefabricated inspection shaft 1 is the pitch material, uses pitch to paste inspection shaft hole inner wall and pipeline turn-ups 2, has utilized the waterproof performance of pitch material itself, can prevent effectively that sewage from pasting the department and oozing, the pitch environmental protection, the waterborne is nonhazardous, and is tasteless, incombustible, noncorrosive, harmless to the environment, place here in and can not lead to ecological environment to receive the pollution, and the adaptability of pitch is strong, can paste hole inner wall and pipeline turn-ups 2 well.
In some optional embodiments, referring to fig. 1, the embodiment of the present application provides a waterproof structure for a joint between a prefabricated well and an existing pipe, where a preset pipe 4 of the waterproof structure may be a UPVC pipe, the UPVC pipe is light in weight, easy to install, low in construction cost, resistant to general acid and alkali erosion, and has good water tightness, and the UPVC pipe is used as the preset pipe 4, so that the cost can be saved, and a good anti-seepage effect can be achieved.
In some optional embodiments, referring to fig. 1, the embodiment of the present application provides a waterproof structure for a joint between a prefabricated well and an existing pipeline, a connecting pipeline 5 of the waterproof structure may be a PE pipe, the PE pipe is now in practical engineering, the connection is very reliable, the PE pipe can be connected in a hot-melt socket and butt manner, and the strength of the joint is high, so that the waterproof performance of the joint between the connecting pipeline 5 and a preset pipeline 4 is good, the PE pipe has good impact resistance, the PE pipe can be safely used in a temperature range, during winter construction, the PE pipe has good impact resistance, pipe brittle fracture does not occur, and sewage leakage is avoided.
The PE pipe has outstanding environmental stress cracking resistance and is durable; the PE pipeline has good chemical corrosion resistance, can resist corrosion of various chemical media, can be well adapted to the sewage environment in the pipeline, does not generate degradation effect on the pipeline by chemical substances existing in soil, is not easy to damage due to the aging resistance and is very durable. In addition, the PE pipeline has good flexibility, so that the PE pipeline is easy to bend, convenient for flanging 2 of the pipeline and beneficial to being well attached to the adhesive layer of the prefabricated inspection well 1.
In some optional embodiments, as shown in fig. 1, the embodiment of the present application provides a waterproof structure for a joint between a prefabricated well and an existing pipeline, a connecting pipeline 5 of the waterproof structure is connected with a fusion joint 3 of a preset pipeline 4 in a hot-melt manner, a PE pipe is used as the connecting pipeline 5, and the PE pipe is connected with the preset pipeline 4 in a hot-melt manner.
In some alternative embodiments, referring to fig. 1, the present application provides a waterproof structure for a joint of a prefabricated well and an existing pipeline, wherein the diameter of the connecting pipeline 5 is larger than that of the preset pipeline 4, and one end of the preset pipeline 4 connected with the connecting pipeline 5 extends into the connecting pipeline 5. The preset pipeline 4 is welded at the position extending into the connecting pipeline 5, and the arrangement can ensure that sewage cannot leak out of the connecting position to a greater extent in use so as to achieve the aim of water prevention.
In some alternative embodiments, referring to fig. 1, the embodiment of the present application provides a waterproof structure for a joint between a prefabricated well and an existing pipeline, where the prefabricated inspection well 1 is formed by connecting multiple sections of well bores, and two adjacent sections of well bores are connected by tongue-and-groove splicing. The structure that a plurality of sections of mineshafts are connected is adopted, the use situations that the height from the ground to the bottom of a well is different can be adapted, and the mineshafts at two adjacent ends are spliced by adopting the tongue-and-groove joint, so that the mineshafts are firmly connected; the lower well chamber is provided with a hole which is connected with the pipeline, so that the pipeline is conveniently connected with the hole.
In some alternative embodiments, referring to fig. 1, the present application provides a waterproof structure for the joint between a prefabricated well and an existing pipeline, a filling layer is arranged at the joint between the hole of the prefabricated inspection well 1 and the connecting pipeline 5, the filling layer comprises micro-expansion fine-stone concrete, and in practical use, the micro-expansion fine-stone concrete is not shrunk due to the concrete added with the expanding agent and has a certain amount of free expansion over time. And when the temperature is lower, construction is carried out, the expansion time of concrete is prolonged, the contraction of the concrete is compensated, the purposes of preventing and treating concrete cracks and improving the performance of the concrete are achieved, therefore, a tight waterproof layer can be generated at the joint of the hole of the prefabricated inspection well 1 and the connecting pipeline 5, and the sewage is prevented from leaking when passing through.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a waterproof construction of prefabricated well and existing pipeline junction which characterized in that includes:
the inspection well structure comprises a prefabricated inspection well (1), wherein a bonding layer is arranged on the inner wall of a hole of the prefabricated inspection well (1);
presetting a pipeline (4);
the connecting pipeline (5), one end of the connecting pipeline (5) is welded with the preset pipeline (4); the other end of the connecting pipeline (5) extends into the prefabricated inspection well (1), and is provided with a pipeline flanging (2) which is mutually attached to the pasting layer of the prefabricated inspection well (1).
2. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the sticking layer is made of asphalt.
3. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the inner diameter of the pipeline flanging (2) is larger than the diameter of the hole of the prefabricated inspection well (1).
4. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the connecting pipeline (5) is a PE pipe.
5. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the connecting pipeline (5) is in hot-melt connection with the welding part (3) of the preset pipeline (4).
6. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the diameter of the connecting pipeline (5) is larger than that of the preset pipeline (4), and one end of the preset pipeline (4) connected with the connecting pipeline (5) extends into the connecting pipeline (5).
7. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the prefabricated inspection well (1) is a concrete inspection well.
8. The waterproof structure of a prefabricated well and an existing pipeline joint according to claim 1, wherein:
the prefabricated inspection well (1) is formed by connecting multiple sections of mineshafts, and adjacent two sections of mineshafts are connected in a tongue-and-groove splicing mode.
9. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the preset pipeline (4) is a UPVC pipe.
10. A waterproofing structure for a junction of a prefabricated well and an existing pipe according to claim 1, wherein:
the prefabricated inspection well (1) hole department with the joint line's of connecting tube (5) department sets up the filling layer, the filling layer includes the fine aggregate concrete of micro-expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899168.3U CN218643500U (en) | 2022-11-01 | 2022-11-01 | Waterproof construction of prefabricated well and existing pipeline junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899168.3U CN218643500U (en) | 2022-11-01 | 2022-11-01 | Waterproof construction of prefabricated well and existing pipeline junction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218643500U true CN218643500U (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222899168.3U Active CN218643500U (en) | 2022-11-01 | 2022-11-01 | Waterproof construction of prefabricated well and existing pipeline junction |
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| Country | Link |
|---|---|
| CN (1) | CN218643500U (en) |
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- 2022-11-01 CN CN202222899168.3U patent/CN218643500U/en active Active
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