CN221002686U - Plugging structure for grouting holes of concrete jacking pipe of electric power tunnel - Google Patents
Plugging structure for grouting holes of concrete jacking pipe of electric power tunnel Download PDFInfo
- Publication number
- CN221002686U CN221002686U CN202322217444.8U CN202322217444U CN221002686U CN 221002686 U CN221002686 U CN 221002686U CN 202322217444 U CN202322217444 U CN 202322217444U CN 221002686 U CN221002686 U CN 221002686U
- Authority
- CN
- China
- Prior art keywords
- water
- sleeve
- polytetrafluoroethylene
- ring
- swelling rubber
- 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
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 33
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 33
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 33
- 239000004587 polysulfide sealant Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002689 soil Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a plugging structure for grouting holes of concrete jacking pipes of electric power tunnels, which comprises a sleeve with a wing ring, outside polysulfide sealant, a water-swelling rubber ring, a polytetrafluoroethylene expansion pipe, polytetrafluoroethylene screws, water-swelling rubber balls, sleeve sealing screws, inside polysulfide sealant and the like. The utility model has convenient construction and can improve the sealing and water stopping effects of the grouting holes; simultaneously, the grouting hole shutoff is easy to detach, changes, is convenient for the implementation of secondary grouting.
Description
Technical field:
The utility model relates to the technical field of plugging of grouting holes of concrete jacking pipes of an electric power tunnel, in particular to a plugging structure of a grouting hole of a concrete jacking pipe of an electric power tunnel.
The background technology is as follows:
The reserved grouting holes of the power tunnel concrete jacking pipe are required to be plugged after grouting is completed, and cement mortar or plain concrete is generally adopted for plugging. During tunnel operation, water leakage often occurs at the grouting holes; in the secondary grouting process, backfill materials in grouting holes need to be chiseled off, and the process is troublesome.
The invention comprises the following steps:
The utility model aims to provide a concrete jacking pipe grouting hole plugging structure for an electric power tunnel, which is convenient to construct and can improve the grouting hole plugging water stopping effect; simultaneously, the grouting hole plugging is easy to detach and replace, and the secondary grouting implementation purpose is convenient.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
A power tunnel concrete push pipe grouting hole plugging structure, comprising: the sealing sleeve comprises a sleeve pipe with a wing ring, outside polysulfide sealant, a water-swelling rubber ring, a polytetrafluoroethylene swelling pipe, polytetrafluoroethylene screws, water-swelling rubber balls, sleeve pipe sealing screws and inside polysulfide sealant; the outer wall of the winged ring sleeve is closely adjacent to the wall of the concrete jacking pipe, and the inner bottom of the winged ring sleeve is provided with outer polysulfide sealant for preliminarily isolating outer water and soil; the inner wall of the sleeve pipe with the wing ring is closely adjacent to a water-swelling rubber ring, and the bottom of the water-swelling rubber ring is connected with outside polysulfide sealant; a polytetrafluoroethylene expansion tube is arranged close to the inner wall of the water-swellable rubber ring and close to the inner side of the tunnel at a certain distance, polytetrafluoroethylene screws are arranged in the polytetrafluoroethylene expansion tube, and the polytetrafluoroethylene screws are fixed through the polytetrafluoroethylene expansion tube; the polytetrafluoroethylene screw extrudes the water-swelling rubber ring to seal the sleeve with the wing ring; the end outside of the water-swelling rubber ring near the inner side of the tunnel is sequentially provided with a water-swelling rubber ball and a sleeve sealing screw, the sleeve sealing screw extrudes the water-swelling rubber ball to seal the sleeve with the wing ring, and the outer side of the sleeve sealing screw is provided with an inner side polysulfide sealant to form the grouting hole plugging structure.
The grouting hole plugging water-stopping device has the beneficial effects that the grouting hole plugging water-stopping device is convenient to construct and can improve the grouting hole plugging water-stopping effect; simultaneously, the grouting hole shutoff is easy to detach, changes, is convenient for the implementation of secondary grouting.
Drawings
The drawings provided by the present utility model are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
The figure shows: the concrete push pipe wall 1, the sleeve pipe with the wing ring 2, the outside polysulfide sealant 3, the water-swelling rubber ring 4, the polytetrafluoroethylene expansion pipe 5, the polytetrafluoroethylene screw 6, the water-swelling rubber ball 7, the sleeve sealing screw 8 and the inside polysulfide sealant 9.
The specific embodiment is as follows:
the following describes the embodiments of the present utility model further with reference to the drawings and examples.
Examples
The embodiment is a concrete push pipe grouting hole plugging structure of a certain electric power tunnel, as shown in fig. 1 and 2. The plugging structure for the grouting holes of the concrete jacking pipe of the electric power tunnel comprises a sleeve pipe 2 with a wing ring, outside polysulfide sealant 3, a water-swelling rubber ring 4, a polytetrafluoroethylene expansion pipe 5, polytetrafluoroethylene screws 6, water-swelling rubber balls 7, sleeve sealing screws 8 and inside polysulfide sealant 9. The outer wall of the winged ring sleeve 2 is closely adjacent to the concrete pipe wall 1, and the outer side polysulfide sealant 3 is arranged at the inner bottom of the winged ring sleeve 2 and used for preliminarily isolating outside water and soil; the inner wall of the wing ring sleeve 2 is closely provided with a water-swelling rubber ring 4, and the bottom of the water-swelling rubber ring 4 is connected with the outside polysulfide sealant 3; a polytetrafluoroethylene expansion tube 5 is arranged close to the inner wall of the water-swellable rubber ring 4 and is close to the inner side of the tunnel at a certain distance, polytetrafluoroethylene screws 6 are arranged in the polytetrafluoroethylene expansion tube 5, and the polytetrafluoroethylene screws 6 are fixed through the polytetrafluoroethylene expansion tube 5; the polytetrafluoroethylene screw 6 extrudes the water-swelling rubber ring 4 to seal the winged ring sleeve 2; the end part of the water-swelling rubber ring 4 near the inner side of the tunnel is externally provided with a water-swelling rubber ball 7 and a sleeve sealing screw 8 in sequence, the sleeve sealing screw 8 extrudes the water-swelling rubber ball 7 to seal the sleeve 2 with the wing ring, and the outer side of the sleeve sealing screw 8 is provided with an inner side polysulfide sealant 9 to form the grouting hole plugging structure.
The method for manufacturing the concrete jacking pipe grouting hole plugging structure comprises the following steps of:
The pipe wall 1 of the concrete jacking pipe of the electric power tunnel is pre-embedded with a sleeve 2 with a wing ring as a grouting hole, and after the grouting of the jacking pipe construction is completed; removing sundries in the winged ring sleeve 2, arranging an outer polysulfide sealant 3 at the bottom of the winged ring sleeve 2 for preliminarily cutting off outside water and soil, inserting a water-swelling rubber ring 4 into the winged ring sleeve 2 to the bottom of the winged ring sleeve, inserting a polytetrafluoroethylene expansion pipe 5 into the water-swelling rubber ring 4, screwing polytetrafluoroethylene screws 6, fixing the polytetrafluoroethylene screws 6 through the polytetrafluoroethylene expansion pipe 5, and extruding the water-swelling rubber ring 4 through the polytetrafluoroethylene screws 6 so as to seal the winged ring sleeve 2; the outside of the water expansion rubber ring 4 is squeezed into the water expansion rubber ball 7, and the sleeve sealing screw 8 is screwed in to squeeze the water expansion rubber ball 7 to seal the sleeve 2 with the wing ring, and the outside of the sleeve sealing screw 8 is provided with the inside polysulfide sealant 9 to finish grouting hole sealing.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (1)
1. The plugging structure for the grouting holes of the concrete jacking pipe of the electric power tunnel is characterized by comprising a sleeve (2) with a wing ring, outside polysulfide sealant (3), a water-swelling rubber ring (4), a polytetrafluoroethylene expansion pipe (5), polytetrafluoroethylene screws (6), water-swelling rubber balls (7), sleeve sealing screws (8) and inside polysulfide sealant (9); the outer wall of the winged ring sleeve (2) is closely adjacent to the concrete pipe wall (1), and an outer side polysulfide sealant (3) is arranged at the inner bottom of the winged ring sleeve (2) and used for preliminarily isolating outside water and soil; the inner wall of the winged ring sleeve (2) is closely adjacent to a water-swelling rubber ring (4), and the bottom of the water-swelling rubber ring (4) is connected with the outside polysulfide sealant (3); a polytetrafluoroethylene expansion pipe (5) is arranged close to the inner wall of the water-swelling rubber ring (4) near the inner side of the tunnel at a certain distance, polytetrafluoroethylene screws (6) are arranged in the polytetrafluoroethylene expansion pipe (5), and the polytetrafluoroethylene screws (6) are fixed through the polytetrafluoroethylene expansion pipe (5); the polytetrafluoroethylene screw (6) extrudes the water-swelling rubber ring (4) to seal the winged ring sleeve (2); the end part of the water-swelling rubber ring (4) near the inner side of the tunnel is externally provided with a water-swelling rubber ball (7) and a sleeve sealing screw (8) in sequence, the sleeve sealing screw (8) extrudes the water-swelling rubber ball (7) to seal the sleeve (2) with the wing ring, and the outer side of the sleeve sealing screw (8) is provided with an inner side polysulfide sealant (9) to form the grouting hole plugging structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217444.8U CN221002686U (en) | 2023-08-17 | 2023-08-17 | Plugging structure for grouting holes of concrete jacking pipe of electric power tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322217444.8U CN221002686U (en) | 2023-08-17 | 2023-08-17 | Plugging structure for grouting holes of concrete jacking pipe of electric power tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221002686U true CN221002686U (en) | 2024-05-24 |
Family
ID=91112870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322217444.8U Active CN221002686U (en) | 2023-08-17 | 2023-08-17 | Plugging structure for grouting holes of concrete jacking pipe of electric power tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221002686U (en) |
-
2023
- 2023-08-17 CN CN202322217444.8U patent/CN221002686U/en active Active
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