CN220186026U - Push pipe sand blowing plugging device - Google Patents
Push pipe sand blowing plugging device Download PDFInfo
- Publication number
- CN220186026U CN220186026U CN202320919302.3U CN202320919302U CN220186026U CN 220186026 U CN220186026 U CN 220186026U CN 202320919302 U CN202320919302 U CN 202320919302U CN 220186026 U CN220186026 U CN 220186026U
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- CN
- China
- Prior art keywords
- air bag
- rubber air
- rubber
- pipe
- sand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007664 blowing Methods 0.000 title claims abstract description 35
- 239000004576 sand Substances 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 210000002221 olecranon process Anatomy 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model provides a pipe jacking sand-blowing plugging device, which comprises a rubber air bag main body and an air supply pipe; the rubber air bag main body comprises a fixing unit, a switch valve and a connector; the fixing unit is fixed on the rubber air bag and used for fixing the rubber air bag; the joint is fixed on the rubber air bag and communicated with the rubber air bag; the joint is provided with a switch valve for opening/closing a pipeline of the joint; the air supply pipe is detachably connected with the joint and is used for supplying air in the rubber air bag. The utility model has the beneficial effects that: the working efficiency of pipe jacking sand blowing is quickened, and the operability and the service life of pipeline plugging are improved.
Description
Technical Field
The utility model belongs to the technical field of pipe jacking sand blowing engineering, and particularly relates to a plugging device.
Background
When the pipe jacking sand blowing blocking is carried out, the pipe is required to be blocked in order to avoid sand loss between the concrete pipe and the steel pipe. The technical realization and effect of the plugging have important influence on the sand blowing effect of the jacking pipe. Along with the development of technology in recent years, some novel materials and construction technologies are continuously emerging, and a more effective and safe solution is provided for plugging during pipe jacking sand blowing, for example, directional drilling can be performed before pipeline excavation, and then reinforced cement plugging is reinforced to an underground pipeline so as to firmly fix a channel, reduce interface strength and increase the safety of the pipeline; or shale bricks are used for blocking, and the method has the characteristics of simplicity in operation and low cost. In addition, the transparent high-strength pipeline plugging plate can be designed and manufactured by utilizing the toughened glass technology, and the tightness and the safety of the pipeline can be well realized. Although the existing plugging techniques and methods have been greatly advanced and innovated, there are still some limitations and disadvantages: the use of the reinforced cement inevitably causes certain pollution to the environment; the bricking plug has high pressure on the internally-penetrated steel pipe, forms rigid connection with the pipeline, is easy to damage by the stress of a welded junction and a wall plug of the steel pipe after long-time water passing, and is easy to damage an outer anti-corrosion layer of the internally-penetrated steel pipe, so that the service life of the pipeline is reduced; the manufacturing and design difficulty of the new material plugging plate is high, the manufacturing cost is high, and the implementation difficulty is high; the partial plugging technology has high technical difficulty and high implementation cost, and brings a lot of economy and technical pressure to pipe jacking engineering.
Disclosure of Invention
In view of the above, the utility model aims to provide a pipe-jacking sand-blowing plugging device, which is used for accelerating the working efficiency of pipe-jacking sand blowing and improving the operability and service life of pipe plugging.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a push pipe sand blowing plugging device.
Further, the air supply pipe comprises a rubber air bag main body; the rubber air bag main body comprises a fixing unit, a switch valve and a connector; the fixing unit is fixed on the rubber air bag and used for fixing the rubber air bag; the joint is fixed on the rubber air bag and communicated with the rubber air bag; the joint is provided with a switch valve for opening/closing a pipeline of the joint; the air supply pipe is detachably connected with the joint and is used for supplying air in the rubber air bag.
Further, a sand filling layer is arranged between the outer wall of the steel pipe and the wall of the concrete pipe, and the rubber air bag main body is positioned at the sand filling layer and used for plugging the sand filling layer; the concrete pipe wall is provided with an accommodating groove, and the accommodating groove is fixed with the rubber air bag main body through the fixing unit.
Further, the rubber air bag main body is an annular rubber air bag, and the thickness of the annular rubber air bag main body is 5-10mm.
Further, the fixing unit includes: the rubber olecranon arranged on the annular rubber air bag is a rubber bulge, and the outline of the accommodating groove is matched with the outline of the rubber bulge.
Further, the connection position of the joint and the annular rubber air bag comprises: the sealing device is positioned on the side face of the ring-shaped rubber air bag and used for sealing one side.
Further, the connection position of the joint and the annular rubber air bag comprises: the sealing device is positioned on the outer annular surface of the annular rubber air bag and used for double-side sealing.
Further, the switch valve is an electric ball valve.
Further, the joint is a stainless steel quick joint, and the stainless steel quick joint is provided with a rubber lining.
Compared with the prior art, the pipe jacking sand blowing plugging device has the following beneficial effects:
(1) The pipe jacking sand-blowing plugging device has the advantages that the plugging effect is good, leakage and overflowing of substances can be avoided, and the safety and the sanitation of a workplace are ensured;
(2) According to the pipe jacking sand blowing plugging device, the rubber olecranon is fixedly connected with the concrete pipe wall through the bolts, and the pipeline is plugged more conveniently through the detachable bolt connection;
(3) The jacking pipe sand-blowing plugging device disclosed by the utility model is more suitable for gas with small viscosity, and the electric function enables the jacking pipe sand-blowing plugging device to be more convenient and faster in air blowing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic front sectional view of a push pipe sand blowing plugging device according to an embodiment of the present utility model;
fig. 2 is a schematic side sectional view of a push pipe sand blowing plugging device according to an embodiment of the present utility model;
fig. 3 is a schematic axial sectional view of a push pipe sand blowing plugging device according to an embodiment of the present utility model;
fig. 4 is a schematic working flow diagram of a push pipe sand blowing plugging device according to an embodiment of the utility model.
Reference numerals illustrate:
1-an annular rubber bladder; 2-rubber olecranon; 3-an electric ball valve; 4-stainless steel quick connector; 5-an air supply pipe; 6-concrete pipe wall; 7-steel pipe.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, the working principle of the technical scheme is that before the pipe jacking sand blowing and cleaning, a rubber air bag main body is sleeved at a corresponding steel pipe 7 and is fixedly connected with a concrete pipe wall 6 through a connecting unit, then the air pressure inside the rubber air bag main body is kept in a stable range by using an air supply pipe 5 to be sufficient, so that the blocking effect is achieved, and after a channel of the pipe jacking is completely blocked, sand blowing and blocking work is carried out on the pipe jacking sand.
Optionally, the rubber air bag main body is an annular rubber air bag 1, the thickness of the annular rubber air bag is preferably 5-10mm, and the annular rubber air bag 1 has the advantages of good blocking effect, capability of avoiding leakage and overflowing substances, and guarantee of safety and sanitation of a workplace.
As shown in fig. 2, the blocking device comprises a rubber balloon body, an air supply tube 5. The rubber air bag main body comprises a fixing unit, a switch valve and a connector; the fixing unit is fixed on the rubber air bag and is used for fixing the rubber air bag in a matched manner with the concrete pipe wall 6; the joint is fixed on the rubber air bag and is communicated; the switch valve is fixedly connected with the connector and is used for opening/closing a passage of the connector; the gas supply pipe 5 is detachably connected with the joint for supplying/evacuating gas inside the rubber bladder. A sand filling layer is arranged between the outer wall of the steel pipe 7 and the concrete pipe wall 6, and the rubber air bag main body is positioned at the sand filling layer and is used for plugging the sand filling layer;
as shown in fig. 1, the concrete pipe wall 6 is provided with a receiving groove, and the receiving groove is fixed with the rubber bladder main body by a fixing unit. Optionally, the fixed unit is rubber olecranon 2, and rubber olecranon 2 is a rubber arch on the rubber gasbag main part, and the profile of holding tank and the bellied appearance phase-match of rubber, so rubber olecranon 2 can with concrete pipe wall 6 fixed connection, the detachable bolted connection of preference for the pipeline shutoff is more convenient.
Optionally, the switch valve selects the electric ball valve 3, and electric ball valve 3 is more suitable for the gas that viscosity is little, and electric function makes it more convenient when the gas filling simultaneously.
Optionally, the joint is a stainless steel quick joint 4, and the stainless steel quick joint 4 is provided with a rubber lining, so that the stainless steel quick joint has good shock absorption and wear resistance, and can adapt to wide temperature, pressure and medium range. The connection position of the joint and the annular rubber airbag 1 includes: the sealing device is positioned on the side surface of the ring-shaped rubber air bag 1 and used for single-side sealing; the sealing device is positioned on the outer annular surface of the annular rubber air bag 1 and is used for double-side sealing.
As shown in fig. 2-4, in the first embodiment, the workflow is as follows:
before using the plugging device, it is checked whether the annular rubber bladder 1 is intact, without any wear or tear, otherwise a new annular rubber bladder 1 must be replaced. When using the annular rubber bag 1, it is first necessary to determine the inflation pressure, which should be maintained within the load range of the annular rubber bag 1, in order to avoid the air tightness and strength of the annular rubber bag 1 from being impaired. Firstly, a steel pipe 7 is penetrated into a concrete pipe wall 6, an annular rubber air bag 1 is fixed on one side of the steel pipe 7, the annular rubber air bag 1 is fixed on a set position of the steel pipe 7, and is fixedly connected with the concrete pipe wall 6 through a rubber olecranon 2 by bolts, and the annular rubber air bag 1 is ensured not to fall off or shift, so that the whole engineering is not influenced. The stainless steel quick connector 4 is connected to the air supply pipe 5, the electric ball valve 3 is kept in an open state, the air supply is sufficient, and a worker presses an air charging button or supplies air to the air supply. When the annular rubber bladder 1 is filled with gas and expands to a predetermined size, the electric ball valve 3 is closed and inflation is stopped. After the plugging is completed, the electric ball valve 3 is locked, and the air supply pipe 5 is drawn out, leaving the annular rubber air bag 1. After the annular rubber air bag 1 is fixed, jacking pipe sand blowing operation can be carried out from one side of the steel pipe 7 which is not blocked by the annular rubber air bag 1, and after the jacking pipe sand blowing operation is finished, the annular rubber air bag 1 or other corresponding equipment is used for blocking the side. The sand blocked inside plays a role in damping and supporting the steel pipe 7 in the concrete pipe wall 6, and ensures the elevation of the pressureless steel pipe 7. The device simple operation has accelerated the work efficiency of push pipe blowing sand, has reduced the damage to steel pipe 7 and concrete pipe wall 6, has improved the life of pipeline.
Optionally, in the second embodiment, the stainless steel quick connector 4 may be disposed on the outer ring surface of the annular rubber air bag 1, and then the stainless steel quick connector 4 passes through the concrete pipe wall 6 and then is connected with the electric ball valve 3 and the air supply pipe 5, which has the advantages that after fixing the elevation of the steel pipe 7, the sand blowing and plugging in the left and right directions can be performed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a push pipe blowing sand plugging device which characterized in that: comprises a rubber air bag main body and an air supply pipe (5);
the rubber air bag main body comprises a fixing unit, a switch valve and a connector;
the fixing unit is fixed on the rubber air bag and used for fixing the rubber air bag;
the joint is fixed on the rubber air bag and communicated with the rubber air bag;
the joint is provided with a switch valve for opening/closing a pipeline of the joint;
the air supply pipe (5) is detachably connected with the joint and is used for supplying air in the rubber air bag.
2. The jacking pipe sand-blowing plugging device according to claim 1, wherein: a sand filling layer is arranged between the outer wall of the steel pipe (7) and the concrete pipe wall (6), and the rubber air bag main body is positioned at the sand filling layer and used for plugging the sand filling layer;
the concrete pipe wall (6) is provided with a containing groove, and the containing groove is fixed with the rubber air bag main body through the fixing unit.
3. The jacking pipe sand-blowing plugging device according to claim 2, wherein: the rubber air bag body is an annular rubber air bag (1), and the thickness of the annular rubber air bag body is 5-10mm.
4. A pipe jacking sand blowing plugging device according to claim 3, wherein: the fixing unit includes: the rubber olecranon (2) is arranged on the annular rubber air bag (1), the rubber olecranon (2) is a rubber bulge, and the outline of the accommodating groove is matched with the outline of the rubber bulge.
5. The jacking pipe sand-blowing plugging device according to claim 4, wherein: the connection position of the joint and the annular rubber air bag (1) comprises: the sealing device is positioned on the side face of the ring-shaped rubber air bag (1) and is used for single-side sealing.
6. The jacking pipe sand-blowing plugging device according to claim 5, wherein: the connection position of the joint and the annular rubber air bag (1) comprises: the sealing device is positioned on the outer annular surface of the annular rubber air bag (1) and is used for double-side sealing.
7. The jacking pipe sand-blowing plugging device according to claim 1, wherein: the switch valve is an electric ball valve (3).
8. The jacking pipe sand-blowing plugging device according to claim 1, wherein: the connector is a stainless steel quick connector (4), and the stainless steel quick connector (4) is provided with a rubber lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919302.3U CN220186026U (en) | 2023-04-21 | 2023-04-21 | Push pipe sand blowing plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919302.3U CN220186026U (en) | 2023-04-21 | 2023-04-21 | Push pipe sand blowing plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220186026U true CN220186026U (en) | 2023-12-15 |
Family
ID=89107510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320919302.3U Active CN220186026U (en) | 2023-04-21 | 2023-04-21 | Push pipe sand blowing plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220186026U (en) |
-
2023
- 2023-04-21 CN CN202320919302.3U patent/CN220186026U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |