CN217734268U - Existing sewer line's of oblique crossing difference in height water level structure of plugging into - Google Patents
Existing sewer line's of oblique crossing difference in height water level structure of plugging into Download PDFInfo
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- CN217734268U CN217734268U CN202221397988.6U CN202221397988U CN217734268U CN 217734268 U CN217734268 U CN 217734268U CN 202221397988 U CN202221397988 U CN 202221397988U CN 217734268 U CN217734268 U CN 217734268U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 238000007689 inspection Methods 0.000 claims abstract description 47
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an existing sewer line's of oblique crossing difference in height water level structure of plugging into, including plugging into well, inspection shaft, drop step, two high water level pipeline connection mouths and two low water level pipeline connection mouths. The connection well is in a barrel shape and is built at a connection point of the existing pipeline at high and low water levels; the plane of the inspection well is rectangular and is built on a reinforced concrete bottom plate of the connecting well, and the short side wall of the inspection well is vertical to the existing pipeline at low water level; the water dropping step is built between the tops of the existing pipelines at high and low water levels, and the height from the vertical face of the lowest step of the water dropping step to the short side wall of the inspection well far away from the existing pipeline at high water level is 0.8-1 m; the two high water level connection ports are arranged on two long side walls of the inspection well in a one-to-one correspondence manner; the two low water level connection ports are correspondingly arranged on the short side wall of the inspection well far away from the existing high water level pipeline and on the vertical surface extending downwards from the vertical surface of the lowest step of the water drop step. The utility model discloses it is steady to be favorable to rivers in the existing pipeline of low water level.
Description
Technical Field
The utility model relates to an existing sewer line's of oblique crossing difference in height water level structure of plugging into.
Background
With the updating and development of cities, underground pipe networks are complicated, and the connection among pipelines is a key point and a difficult point in the improvement of pipe network systems. As urban population is continuously increased, old drainage pipelines are overloaded all the year round and need to be shunted, or new sewage pipelines need to be converged into the old drainage pipelines. Because original planning and design's limitation often does not reserve the mouth of connecing at old drainage pipe, can face following problem when new and old drainage pipe connects: drainage pipelines (particularly sewage pipelines) cannot be intercepted all the year round when in an operating state, need to be connected under a non-intercepting working condition, and relate to the fact that existing sewage pipelines of oblique crossing height difference water levels are connected in a broken port mode under a non-water-stop state, on one hand, protection of the existing sewage pipelines of the height difference water levels needs to be considered, and on the other hand, the sequence of connection in the broken port mode needs to be considered, so that construction safety is guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a structure of plugging into of existing sewer line of oblique crossing difference in height water level, it is favorable to the existing interior rivers of low water level pipeline steady and to the bottom protection of inspection shaft.
The purpose of the utility model is realized like this: a connection structure of an existing sewage pipeline with an oblique crossing height difference water level comprises an existing high-water-level pipeline, an existing low-water-level pipeline, a connection well, an inspection well, a water drop step, two high-water-level pipeline connection ports and two low-water-level pipeline connection ports; wherein,
the connection well is in a barrel shape and is built at a connection point of the existing high-water-level pipeline and the existing low-water-level pipeline, and the elevation of the top surface of the reinforced concrete bottom plate of the connection well is 10cm lower than that of the bottom of the existing low-water-level pipeline;
the inspection well is built on a reinforced concrete bottom plate of the connecting well, the plane of the inspection well is rectangular and is internally connected with the connecting well, and the side wall of the short side of the inspection well is vertical to the existing pipeline at the low water level; the top surface elevation of the inspection well is 0.5m higher than the top elevation of the existing high-water-level pipeline;
the water dropping steps are built between the bottom of the high-water-level existing pipeline and the top of the low-water-level existing pipeline, and the height from the vertical face of the lowest step of the water dropping steps to the side wall of the short edge of the inspection well far away from the high-water-level existing pipeline is 0.8-1 m;
the two high water level connection ports are arranged on two long side walls of the inspection well in a one-to-one correspondence manner;
two low water level connection ports are correspondingly arranged on the short side wall of the inspection well far away from the existing high water level pipeline and on the vertical surface extending downwards from the vertical surface of the lowest step of the water drop step.
The existing oblique crossing height difference water level sewage pipeline connection structure is characterized in that the diameter of the existing high water level pipeline is 0.8m; the diameter of the existing low water level pipeline is 1.5m; the diameter of the connection well is 8m; the planar dimension of the inspection well is 4m multiplied by 1.8m, and the wall thickness of the inspection well is 0.5m.
The utility model discloses an existing sewer line's of oblique crossing difference in height water structure of plugging into has following characteristics:
1) Constructing a retaining wall well at a junction of an oblique existing sewage pipeline;
2) Firstly, the existing pipeline with low water level is cut, then the pipeline with high water level is cut, and a water drop structure is arranged between the existing pipelines with high and low water levels, so that the stability of water flow of the existing pipeline with low water level and the protection of the bottom of an inspection well are facilitated;
3) The existing pipeline connecting port is broken by adopting a wire saw cutting method, so that the section of the connecting port is regular; the pipelines in other ranges can not be damaged;
4) The construction speed is high, and water can be supplied in a short time;
5) Need not to get off the people in the well, the operation is safe, not only can avoid causing existing pipeline to destroy on a large scale, and noiselessness in the simultaneous operation is favorable to reducing the disturbing citizen phenomenon.
Drawings
Fig. 1 is a plan view of a connection structure of an existing sewage pipeline with an oblique elevation difference water level of the utility model;
fig. 2 is an elevation view of the connection structure of the existing sewage pipeline with oblique crossing water level difference of the utility model;
fig. 3 isbase:Sub>A view frombase:Sub>A-base:Sub>A in fig. 2.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 3, the connection structure of the existing sewage pipeline with oblique crossing height difference water level of the present invention includes an existing high water level pipeline 1, an existing low water level pipeline 2, a connection well 3, an inspection well 4, a drop step 5, two high water level pipeline connection ports 10 and two low water level pipeline connection ports 20, wherein,
the diameter of the existing high water level pipeline 1 is 0.8m;
the diameter of the existing low-water-level pipeline 2 is 1.5m;
the bottom elevation of the low-water-level existing pipeline 2 is 2m lower than that of the high-water-level existing pipeline 1;
the connection well 3 is in a barrel shape and is built at a connection point of the existing high-water-level pipeline 1 and the existing low-water-level pipeline 2, and the diameter of the connection well 3 is 8mm; the elevation of the top surface of the reinforced concrete bottom plate of the connecting well 3 is 10cm lower than that of the bottom of the existing pipeline 2 with low water level;
the inspection well 4 is built on a reinforced concrete bottom plate of the connecting well 3, the plane of the inspection well 4 is rectangular, the size of the plane is 4m multiplied by 1.8m, the inspection well 4 is connected with the connecting well 3 in an internal connection mode, and the side wall of the short side of the inspection well 4 is vertical to the existing pipeline 2 at the low water level; the top elevation of the inspection well 4 is 0.5m higher than that of the existing water level pipeline 1;
the water dropping steps 5 are built between the bottom of the existing high-water-level pipeline 1 and the top of the existing low-water-level pipeline 2, and the height from the vertical face of the lowest step of the water dropping steps 5 to the short side wall of the inspection well 4 far away from the existing high-water-level pipeline 1 is 0.8-1 m;
the two high water level connection ports 10 are arranged on two long side walls of the inspection well 4 in a one-to-one correspondence manner;
the two low water level connection ports 20 are correspondingly arranged on the short side wall of the inspection well 4 far away from the high water level existing pipeline 1 and the vertical surface extending downwards from the vertical surface of the lowest step of the water dropping step 5.
The utility model discloses an existing sewer line's of bevel difference in height water structure of plugging into includes following step when the construction:
firstly, constructing a connection well 3 at the intersection of an existing high-water-level pipeline 1 and an existing low-water-level pipeline 2, enabling the existing high-water-level pipeline 1 and the existing low-water-level pipeline 2 to be located in the connection well 3, constructing the connection well 3 by adopting a reverse method, and comprising the following steps of:
a. performing high-pressure jet grouting pile construction to form a water stop wall at the periphery of the connecting well 3;
b. firstly, excavating a first soil-saving pit in the water-stop wall, binding reinforcing steel bars and erecting a template on the inner wall of the first soil-saving pit, and pouring concrete once the day to form a first protective wall; the longitudinal section of the first section of protective wall is in an inverted L shape, the width of the horizontal section is 0.75m, the thickness of the horizontal section is 0.3m, and the thickness of the vertical section is 0.4m; the first section of protecting wall is made into an inverted L shape, so that the protecting wall is effectively prevented from sinking in subsequent construction, a platform is provided for installation equipment, and the horizontal part higher than the road surface can prevent accumulated water on the road surface from flowing into a foundation pit in a rainy period;
c. firstly, excavating a second soil pit in the water stop wall, then binding reinforcing steel bars and erecting a template on the inner wall of the second soil pit, pouring concrete once the day to form a second retaining wall, and repeating the steps until the last retaining wall is finished; the bottom of the last section of protective wall is positioned below the existing low-water-level pipeline 2, and the existing high-water-level pipeline 1 and the existing low-water-level pipeline 2 are suspended and protected by steel wire ropes;
d. binding reinforcing steel bars at the bottom of the connecting well 3 and pouring concrete to form a bottom plate;
secondly, a rectangular inspection well 4 is built in the connecting well 3, so that the existing high-water-level pipeline 1 and the existing low-water-level pipeline 2 are both positioned in the inspection well 4;
step three, building a water drop step 5 between the bottom of the existing high-water-level pipeline 1 and the top of the existing low-water-level pipeline 2 in the inspection well 4, so that the existing low-water-level pipeline 2 in the inspection well 4 is remained with a pipe section 21 with the length of 1m and is not poured by concrete;
fourthly, erecting a wire saw working platform on the wellhead of the inspection well 4 by adopting I-steel and steel plates, and installing a directional wheel and auxiliary accessories of a wire saw on the side wall of the inspection well 4; then binding a steel wire rope on the pipe joint 21 of the existing pipeline 2 at the low water level by a professional diver, hanging the hanging steel wire rope by using a crane arranged above the connection well 3, then cutting the pipe joint 21 by using a rope saw, hanging out the pipe joint 21 with the length of 1m after the cutting is finished, and respectively leaving a low water level connection port 20 on the short side wall of the inspection well 4 far away from the existing pipeline 1 at the high water level and on the vertical surface extending downwards from the vertical surface of the step at the lowest level of the water drop step 5;
and step five, cutting and lifting out a 1.8m long pipe joint 11 of the existing high-water-level pipeline 1 in the inspection well 4 by adopting the same method as the step four, and reserving a high-water-level connecting port 10 on each of two long side walls of the inspection well 4, so that the existing high-water-level pipeline 1 is connected with the existing low-water-level pipeline 2, and the influence on the change of the sewage flow direction of the existing low-water-level pipeline 2 and the damage to the bottom structure of the inspection well 4 when the sewage in the existing high-water-level pipeline 1 falls from a high place are eliminated.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (2)
1. A connection structure of an existing sewage pipeline with an oblique crossing height difference water level comprises an existing high-water-level pipeline, an existing low-water-level pipeline, a connection well, an inspection well, a water drop step, two high-water-level pipeline connection ports and two low-water-level pipeline connection ports; it is characterized in that the preparation method is characterized in that,
the connecting well is in a barrel shape and is built at a connecting point of the existing high-water-level pipeline and the existing low-water-level pipeline, and the elevation of the top surface of a reinforced concrete bottom plate of the connecting well is 10cm lower than that of the bottom of the existing low-water-level pipeline;
the inspection well is built on a reinforced concrete bottom plate of the connecting well, the plane of the inspection well is rectangular and is internally connected with the connecting well, and the side wall of the short side of the inspection well is vertical to the existing pipeline at the low water level; the top surface elevation of the inspection well is 0.5m higher than the top elevation of the existing high-water-level pipeline;
the water dropping steps are built between the bottom of the existing high-water-level pipeline and the top of the existing low-water-level pipeline, and the height from the vertical face of the lowest step of the water dropping steps to the side wall of the short side of the inspection well far away from the existing high-water-level pipeline is 0.8-1 m;
the two high water level connection ports are arranged on two long side walls of the inspection well in a one-to-one correspondence manner;
two low water level connection ports are correspondingly arranged on the short side wall of the inspection well far away from the existing high water level pipeline and on the vertical surface extending downwards from the vertical surface of the lowest step of the water drop step.
2. The connection structure of an existing sewage pipeline at diagonal elevation difference water level according to claim 1, wherein the diameter of the existing sewage pipeline at high water level is 0.8m; the diameter of the existing low water level pipeline is 1.5m; the diameter of the connection well is 8m; the planar dimension of the inspection well is 4m × 1.8m, and the wall thickness of the inspection well is 0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397988.6U CN217734268U (en) | 2022-05-30 | 2022-05-30 | Existing sewer line's of oblique crossing difference in height water level structure of plugging into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397988.6U CN217734268U (en) | 2022-05-30 | 2022-05-30 | Existing sewer line's of oblique crossing difference in height water level structure of plugging into |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217734268U true CN217734268U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221397988.6U Active CN217734268U (en) | 2022-05-30 | 2022-05-30 | Existing sewer line's of oblique crossing difference in height water level structure of plugging into |
Country Status (1)
| Country | Link |
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| CN (1) | CN217734268U (en) |
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2022
- 2022-05-30 CN CN202221397988.6U patent/CN217734268U/en active Active
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