CN212294973U - Sewage conveying pipeline inspection well - Google Patents
Sewage conveying pipeline inspection well Download PDFInfo
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- CN212294973U CN212294973U CN202021637566.2U CN202021637566U CN212294973U CN 212294973 U CN212294973 U CN 212294973U CN 202021637566 U CN202021637566 U CN 202021637566U CN 212294973 U CN212294973 U CN 212294973U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to a sewage conveying pipeline inspection well; the adopted technical scheme is as follows: the sewage conveying pipeline inspection well comprises a plastic shaft and a reinforced concrete shaft, wherein the lower end of the plastic shaft is used for being connected with a sewage conveying pipe, and the other end of the plastic shaft is inserted into the lower end of the reinforced concrete shaft. The plastic well cylinder has thin wall and does not need to excavate corresponding pouring space, thereby greatly reducing civil engineering excavation amount and avoiding cast-in-place civil engineering work under the condition of underground water, thereby reducing construction difficulty, shortening construction period and saving construction cost; meanwhile, the upper end of the plastic shaft is inserted into the lower end of the reinforced concrete shaft, so that the sufficient load capacity of the ground or a traffic lane can be ensured, the plastic shaft can adapt to field construction errors and ground fluctuation, the change of road elevation can be met, and secondary processing and adjustment of the plastic shaft are not needed.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to sewage conveying pipeline inspection shaft.
Background
The large-scale sewage conveying pipeline is a sewage conveying main pipe, so that the large-scale sewage conveying pipeline is buried deeply (5-10 m) and is generally positioned below an underground water level, and a conventional sewage inspection shaft has the advantages of long construction period, high engineering cost, high construction drainage workload, high foundation pit (deep foundation pit) excavation and support workload and high construction difficulty for a cast-in-place reinforced concrete structure.
Although the excavation amount of a foundation pit can be reduced by the plastic inspection shaft, the height of the plastic shaft (pipe) needs to be accurately designed, particularly for the inspection shaft under a roadway, if the position of the installation inspection shaft is adjusted or the road elevation is adjusted, the height difference is larger than or equal to 50mm from the original design height difference, the shaft is correspondingly inspected and the changed road ground elevation is difficult to adapt, so that the problem of field installation is caused; unless enough margin is reserved at the height of the shaft in advance and shaft cutting is carried out on site, the cutting is difficult and long in construction period on site of a large shaft, and the problem of material waste exists.
SUMMERY OF THE UTILITY MODEL
To the long technical problem big with the construction degree of difficulty of the big technical problem of the sewage conveying pipeline inspection pit shaft construction period of above-mentioned current big pipe diameter, the utility model provides a sewage conveying pipeline inspection shaft can reduce the work load that inspection pit shaft excavation was strutted and adapt to different standard height roads, has that the work load is little, construction cycle is short, the construction degree of difficulty is low and the characteristics that adaptability is good.
The utility model discloses a following technical scheme realizes:
the sewage conveying pipeline inspection well comprises a plastic shaft and a reinforced concrete shaft, wherein the lower end of the plastic shaft is used for being connected with a sewage conveying pipe, and the other end of the plastic shaft is inserted into the lower end of the reinforced concrete shaft.
The utility model discloses a plastics pit shaft and reinforced concrete well section of thick bamboo are connected and are formed the inspection shaft, and the plastics pit shaft is used for connecting sewage conveying pipe, and for directly adopting whole reinforced concrete well, plastics well section of thick bamboo wall is thin and need not excavate corresponding pouring space, can reduce the civil engineering volume of excavation by a wide margin, has also avoided the cast-in-place civil engineering work under the groundwater condition to reduce the construction degree of difficulty, shortened construction period and practiced thrift construction cost.
The upper end of the plastic shaft is inserted into the reinforced concrete shaft and is connected with the ground or a traffic lane through the reinforced concrete shaft, so that the ground or the traffic lane can have enough load capacity, the plastic shaft is prevented from being damaged by ground load, and the inspection well is convenient to install. Meanwhile, the length of the upper end of the plastic shaft inserted into the lower end of the reinforced concrete shaft is adjusted, so that the plastic shaft can adapt to field construction errors and ground fluctuation, the change of road elevation can be met, and secondary processing and adjustment of the plastic shaft are not needed.
Furthermore, the sewage treatment device also comprises a three-way joint which is used for connecting the plastic shaft and the sewage delivery pipe so as to connect the plastic shaft and the sewage delivery pipe.
Preferably, the length of the plastic shaft inserted in the reinforced concrete shaft is more than 55mm, so that the height of the inspection well has an adjustment allowance of more than 50 mm.
Furthermore, a foam board and sealing paste are arranged between the outer wall of the plastic well casing and the interior of the reinforced concrete well casing, so that sewage in the inspection well is not communicated with the outside.
Furthermore, both ends all are equipped with connecting sleeve about three way connection, connecting sleeve is used for connecting sewage conveyer pipe to three way connection and sewage conveyer pipe's be connected.
As a specific implementation mode of connecting the plastic shaft and the three-way joint, the lower end of the plastic shaft is bonded with the upper end of the three-way joint.
Preferably, the reinforced concrete shaft is a prefabricated reinforced concrete shaft, and the construction period of the inspection well is further shortened.
Preferably, the diameter of the plastic shaft is 1200 mm.
Furthermore, crawling ladders are arranged in the plastic shaft and the reinforced concrete shaft, so that the maintenance is facilitated.
Preferably, the tee joint and the plastic shaft are made of glass fiber reinforced plastics, so that the tee joint and the plastic shaft have sufficient structural strength and rigidity.
The utility model has the advantages that:
1. the utility model discloses a plastics pit shaft and reinforced concrete well section of thick bamboo are connected and are formed the inspection shaft, and the plastics pit shaft is used for connecting sewage conveying pipe, and for directly adopting whole reinforced concrete well, plastics well section of thick bamboo wall is thin and need not excavate corresponding pouring space, can reduce the civil engineering volume of excavation by a wide margin, has also avoided the cast-in-place civil engineering work under the groundwater condition to reduce the construction degree of difficulty, shortened construction period and practiced thrift construction cost.
2. The upper end of the plastic shaft is inserted into the reinforced concrete shaft to be connected with the ground or the traffic lane through the reinforced concrete shaft, so that the ground or the traffic lane can have enough load capacity, the plastic shaft is prevented from being damaged by ground load, and the inspection well is convenient to install.
3. By adjusting the length of the upper end of the plastic shaft inserted in the lower end of the reinforced concrete shaft, the device can adapt to field construction errors and ground fluctuation, can meet the change of road elevation, and does not need to perform secondary processing and adjustment on the plastic shaft.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the plane A-A of FIG. 1;
FIG. 3 is a schematic view of the plane B-B of FIG. 1;
fig. 4 is an enlarged view of a portion C of fig. 3.
Reference numbers and corresponding part names in the drawings:
1-plastic shaft, 2-reinforced concrete shaft, 3-sewage conveying pipe, 4-three-way joint, 5-connecting sleeve, 6-ladder stand, 7-foam plate, 8-sealing paste, 9-roadway and 10-well cover.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
A3-channel inspection well for a sewage conveying pipe comprises a plastic shaft 1, a reinforced concrete shaft 2 and a three-way joint 4, wherein the three-way joint 4 and the plastic shaft 1 are made of glass fiber reinforced plastics so as to ensure that the three-way joint 4 and the plastic shaft 1 have sufficient structural strength and rigidity; of course, the plastic well 1 and the tee 4 can be made of other plastics, such as HDPE. The lower end of the plastic shaft 1 is used for connecting a sewage conveying pipe 3, and the other end of the plastic shaft 1 is inserted into the lower end of the reinforced concrete shaft 2. The three-way joint 4 is used for connecting the plastic shaft 1 and the sewage conveying pipe 3 so as to connect the plastic shaft 1 and the sewage conveying pipe 3.
Preferably, the length of the plastic shaft 1 inserted in the reinforced concrete shaft 2 is more than 55mm, so that the height of the inspection well has an adjustment allowance of more than 50 mm. And a foam plate 7 and sealing paste 8 are arranged between the outer wall of the plastic shaft 1 and the inside of the reinforced concrete shaft 2, so that sewage inside the inspection well is not communicated with the outside. The reinforced concrete shaft 2 is prefabricated reinforced concrete, and the construction period of the inspection well is further shortened.
Further, both ends all are equipped with connecting sleeve 5 about three way connection 4, connecting sleeve 5 is used for connecting sewage conveyer pipe 3 to three way connection 4 and sewage conveyer pipe 3's be connected. And crawling ladders 6 are arranged in the plastic shaft 1 and the reinforced concrete shaft 2 so as to be convenient for maintenance.
As a specific embodiment of the connection between the plastic shaft 1 and the three-way joint 4, the lower end of the plastic shaft 1 is bonded with the upper end of the three-way joint 4, so that the construction period is shortened while the sealing performance of the connection part between the three-way joint 4 and the plastic shaft 1 is ensured.
The utility model discloses a plastics pit shaft 1 and 2 connections of reinforced concrete pit shaft and formation inspection shaft, and plastics pit shaft 1 is used for connecting sewage conveying pipe 3, for directly adopting whole reinforced concrete well, 1 section of thick bamboo wall of plastics pit shaft is thin and need not excavate corresponding pouring space, can reduce the civil engineering excavation volume by a wide margin, has also avoided the cast-in-place civil engineering work under the groundwater condition to reduce the construction degree of difficulty, shortened construction period and practiced thrift construction cost.
The upper end of the plastic shaft 1 is inserted into the reinforced concrete shaft 2 to be connected with the ground or a traffic lane through the reinforced concrete shaft 2, so that the ground or the traffic lane can have enough load capacity, the plastic shaft 1 is prevented from being damaged by ground load, and an inspection well is convenient to install. Meanwhile, the length of the upper end of the plastic shaft 1 inserted into the lower end of the reinforced concrete shaft 2 is adjusted, so that the plastic shaft can adapt to field construction errors and ground fluctuation, the change of road elevation can be met, and secondary processing and adjustment of the plastic shaft 1 are not needed.
Taking a sewage delivery pipe 3 with the diameter of 2200mm and the laying depth of 6.5m as an example, the diameters of two ends of the three-way joint are 2200mm, the diameter of the plastic shaft 1 is 1200mm, and the excavated earth volume is about 47.2m3(steel sheet pile support) and the backfill engineering quantity is about 27.3m 3; when the reinforced concrete cast-in-situ inspection well is adopted correspondingly, the size of the inspection well is 4.1m multiplied by 3.5m multiplied by 3.4m, and the excavated volume of earth is about 165.24m3The backfilling work amount is about 98.8m3. Therefore, the excavation backfill amount required by the traditional reinforced concrete inspection well is about 3.5 times of that of the embodiment, so that the construction excavation backfill amount can be greatly reduced, the construction period can be shortened, and the construction investment cost can be reduced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a sewage conveying pipeline inspection shaft, includes plastic shaft (1), its characterized in that still includes reinforced concrete shaft (2), plastic shaft (1) lower extreme is used for connecting sewage conveying pipe (3), the other end of plastic shaft (1) is inserted and is established in reinforced concrete shaft (2) lower extreme.
2. The sewage conveying pipeline inspection shaft according to claim 1, further comprising a tee joint (4), wherein the tee joint (4) is used for connecting the plastic shaft (1) and the sewage conveying pipe (3).
3. The sewage delivery pipe manhole according to claim 1, wherein the length of the plastic shaft (1) inserted in the reinforced concrete shaft (2) is greater than 55 mm.
4. The sewage delivery pipe inspection shaft according to claim 1, wherein a foam plate (7) and a sealing paste (8) are arranged between the outer wall of the plastic shaft (1) and the inside of the reinforced concrete shaft (2).
5. The sewage conveying pipeline inspection shaft according to claim 2, wherein the left end and the right end of the three-way joint (4) are provided with connecting sleeves (5), and the connecting sleeves (5) are used for connecting the sewage conveying pipeline (3).
6. The sewage delivery pipe inspection shaft according to claim 2, wherein the lower end of the plastic shaft (1) is bonded with the upper end of the tee joint (4).
7. The sewage delivery pipe inspection shaft of claim 1, wherein the reinforced concrete shaft (2) is a prefabricated reinforced concrete shaft.
8. Sewage delivery pipe manhole according to claim 1, wherein the diameter of the plastic shaft (1) is 1200 mm.
9. The sewage delivery pipeline inspection shaft according to claim 1, wherein a ladder (6) is arranged in each of the plastic shaft (1) and the reinforced concrete shaft (2).
10. The sewage conveying pipeline inspection shaft according to claim 2, wherein the tee joint (4) and the plastic shaft (1) are made of glass fiber reinforced plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637566.2U CN212294973U (en) | 2020-08-07 | 2020-08-07 | Sewage conveying pipeline inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637566.2U CN212294973U (en) | 2020-08-07 | 2020-08-07 | Sewage conveying pipeline inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212294973U true CN212294973U (en) | 2021-01-05 |
Family
ID=73938561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021637566.2U Active CN212294973U (en) | 2020-08-07 | 2020-08-07 | Sewage conveying pipeline inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212294973U (en) |
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2020
- 2020-08-07 CN CN202021637566.2U patent/CN212294973U/en active Active
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