CN219692618U - Inner support inner plug structure for maintaining cracks of steel pipe - Google Patents
Inner support inner plug structure for maintaining cracks of steel pipe Download PDFInfo
- Publication number
- CN219692618U CN219692618U CN202321004019.4U CN202321004019U CN219692618U CN 219692618 U CN219692618 U CN 219692618U CN 202321004019 U CN202321004019 U CN 202321004019U CN 219692618 U CN219692618 U CN 219692618U
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- steel pipe
- internal
- bolt
- pipeline
- internal support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 238000012423 maintenance Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model relates to the technical field of pipeline maintenance equipment, and particularly discloses an internal support internal blocking structure for maintaining cracks of a steel pipe, which comprises an internal support piece I and an internal support piece II, wherein the internal support piece I and the internal support piece II are of semicircular plate structures, the head part and the tail part of the internal support piece I and the internal support piece II are relatively supported in the steel pipe, and the middle part of the internal support piece I and/or the middle part of the internal support piece II is/are pressed at the crack position of the steel pipe; the inner support inner plug structure for maintaining the cracks of the steel pipe is characterized in that two semicircular inner support pieces are supported on the inner wall of the pipeline, the sealing gasket is directly pressed to the cracks in the pipeline, and the inner pipeline cracks are plugged in the pipeline, so that the structure is simple, and the plugging effect is good; the maintenance personnel only need to dismantle nearby pipeline accessories (valves, flow meters and the like), and the pipeline accessories enter the pipeline for construction, so that the construction is convenient and quick, the large-area pipeline excavation is avoided, and the maintenance efficiency is improved; the extrusion bolt of design is rotatory tight in the bolt roof groove, easy operation, and installation effectiveness is high.
Description
Technical Field
The utility model relates to the technical field of pipeline maintenance equipment, in particular to an internal support internal blocking structure for maintaining cracks of a steel pipe.
Background
The water inlet pipeline and the water outlet pipeline of the water plant are large-caliber pipelines, wherein the use proportion of the steel pipes is high. The surface layer of the large-caliber steel pipe is durable, and is subjected to rust prevention treatment. The air oxidation rate is not easy to be too fast, and white rust is not easy to be generated on the steel pipe. The steel pipe can not be frozen and broken even in winter, and the condition of pipe explosion can not appear. However, the rust-proof layer of the inner layer of the steel pipe can erode and fall off after long-time running, so that striped cracks appear on the steel pipe, and the situation of leakage appears outside the steel pipe, so that maintenance operation needs to be performed in time. The existing maintenance modes are three, namely, the pipelines are directly welded, but welding seams are not easy to process and are also easy to leak; secondly, the pipeline is excavated integrally to find out leakage points, and the pipeline is tightly held around the periphery of the steel pipe by installing anchor clamps, however, the external plugging effect is poor because the crack of the pipeline starts at the inner part, the construction amount is large, the construction efficiency is low, especially the pipeline in the river beach is large in burial depth, the external large excavation is difficult, and the construction cost is too high; thirdly, cut the pipeline that a section appears the crack, weld flange in pipeline interface department, through flange joint one section new pipeline, this kind of mode construction scope is wide, causes construction cost high, maintenance efficiency is low. Therefore, there is an urgent need to design an internal support internal plugging structure for repairing the cracks of the steel pipe, so as to solve the problems of poor repairing and plugging effects, large construction amount and low working efficiency of the existing steel pipe caused by the occurrence of leakage cracks.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide an internal supporting internal blocking structure for maintaining a steel pipe crack.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a crack is propped in interior stifled structure in maintenance steel pipe, includes interior propping piece I and interior propping piece II, interior propping piece I and interior propping piece II all adopt semi-circular plate structure, and interior propping piece I and interior propping piece II head and afterbody support in the inside of steel pipe relatively, and the crack position of steel pipe is compressed tightly at the middle part of interior propping piece I and/or interior propping piece II.
Specifically, a threaded plate is fixed on the inner side of the head of the first inner support, two threaded holes are formed in the threaded plate, extrusion bolts are screwed into the threaded holes, a top plate is fixed on the inner side of the tail of the first inner support, and two bolt jacking grooves are formed in the position, opposite to the threaded holes, of the top plate;
the screw thread board is fixed on the inner side of the tail part of the second internal stay, two screw holes are formed in the screw thread board, the extrusion bolts are screwed into the screw holes, the top plate is fixed on the inner side of the head part of the second internal stay, and two bolt jacking grooves are formed in the position, opposite to the screw holes, of the top plate.
Specifically, the head of the extrusion bolt of the first inner support member is propped into the bolt propping groove of the second inner support member, and the head of the extrusion bolt of the second inner support member is propped into the bolt propping groove of the first inner support member.
Specifically, the bolt top groove adopts a cylindrical groove which is not penetrated, and the inner diameter of the bolt top groove is larger than the diameter of the extrusion bolt.
Specifically, the screw is connected with a fastening nut on the extrusion bolt, and the fastening nut contacts the threaded plate and fixes the position of the extrusion bolt.
Specifically, a first inclined support plate is fixed in the middle of the threaded plate, and a second inclined support plate is fixed on the top plate.
Specifically, sealing gaskets are arranged between the outer walls of the first inner supporting piece and the second inner supporting piece and the inner wall of the steel pipe.
The utility model has the following beneficial effects:
the inner support inner plug structure for maintaining the cracks of the steel pipe is characterized in that two semicircular inner support pieces are supported on the inner wall of the pipeline, the sealing gasket is directly pressed to the cracks in the pipeline, and the inner pipeline cracks are plugged in the pipeline, so that the structure is simple, and the plugging effect is good; the maintenance personnel only need to dismantle nearby pipeline accessories (valves, flow meters and the like), and the pipeline accessories enter the pipeline for construction, so that the construction is convenient and quick, the large-area pipeline excavation is avoided, and the maintenance efficiency is improved; the extrusion bolt of design is rotatory tight in the bolt roof groove, easy operation, and installation effectiveness is high.
Drawings
Fig. 1 is a schematic diagram of an installation structure of an internal stay internal plug structure for maintaining a steel pipe crack.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic view of the structure of the first inner stay.
Fig. 4 is a right side view of fig. 3.
In the figure: 1-an inner support member I; 2-an inner support member II; 3-a gasket; 4-screw thread plate; 5-a threaded hole; 6-extruding the bolt; 7-tightening a nut; 8-top plate; 9-a bolt top groove; 10-a first diagonal bracing plate; 11-a second diagonal bracing plate; 12-steel pipe.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, an inner support inner plug structure for repairing cracks of steel pipes comprises an inner support piece 1, an inner support piece 2 and a sealing gasket 3, wherein the inner support piece 1 and the inner support piece 2 are of semicircular plate structures, the head and tail of the inner support piece 1 and the head and tail of the inner support piece 2 are relatively supported in the steel pipes 12, and the middle parts of the inner support piece 1 and/or the inner support piece 2 compress the positions of the cracks of the steel pipes. And a sealing gasket 3 is arranged between the outer walls of the first inner supporting piece 1 and the second inner supporting piece 2 and the inner wall of the steel pipe 12, and the sealing gasket 3 adopts a rubber gasket.
The inner side of the head of the first inner support member 1 is fixed with a threaded plate 4, the threaded plate 4 is provided with two threaded holes 5, the threaded holes 5 are internally screwed with extrusion bolts 6, the inner side of the tail of the first inner support member 1 is fixed with a top plate 8, and the top plate 8 is provided with two bolt jacking grooves 9 at positions opposite to the threaded holes 5; the screw thread board 4 is fixed to the afterbody inboard of internal stay spare two 2, is equipped with two screw holes 5 on the screw thread board 4, and screw extrusion bolt 6 is connected to screw hole 5 internal thread, and the head inboard of internal stay spare two 2 is fixed roof 8, is equipped with two bolt roof grooves 9 with screw hole 5 relative position on the roof 8.
The head of the extrusion bolt 6 of the first inner support member 1 is propped into the bolt jacking groove 9 of the second inner support member 2, the head of the extrusion bolt 6 of the second inner support member 2 is propped into the bolt jacking groove 9 of the first inner support member 1, an upper and lower two-group rotating outwards supported structure is formed, and the adjustment tightness is more accurate.
The bolt jacking groove 9 adopts a cylindrical groove which is not penetrated, and the inner diameter of the bolt jacking groove 9 is larger than the diameter of the extrusion bolt 6, so that the head of the extrusion bolt 6 rotates in the bolt jacking groove 9 to mutually extrude the first inner supporting piece 1 and the second inner supporting piece 2.
The extrusion bolt 6 is screwed with the fastening nut 7, after the extrusion bolt 6 is positioned, the fastening nut 7 is screwed to contact the threaded plate 4, and the fastening nut 7 fixes the position of the extrusion bolt 6, so that the extrusion bolt 6 is prevented from reversing and loosening.
The middle part of the thread plate 4 is fixed with a first inclined strut plate 10, and the top plate 8 is fixed with a second inclined strut plate 11, so that the structural strength of the thread plate 4 and the top plate 8 is improved.
The working principle of the utility model is as follows: when the steel pipe leaks, the leakage position is determined through a side leakage instrument, the main valve of the pipeline is closed, the nearby valve or flowmeter is removed at the leakage position, a maintainer enters the pipeline through the removed pipeline opening, the inner wall of the pipeline is cleaned at the leakage position, a crack is found, the first inner support member 1 and the second inner support member 2 are relatively arranged at the crack position, the sealing gasket 3 is arranged between the first inner support member 1 and the second inner support member 2 and the inner wall of the steel pipe 12, 4 extrusion bolts 6 are sequentially rotated in a small range, the first inner support member 1 and the second inner support member 2 are extruded to tightly press the inner wall of the steel pipe 12, then 4 fastening nuts 7 are screwed, and the maintainer withdraws from the pipeline to install the removed valve or flowmeter.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (7)
1. The utility model provides a crack is propped in interior stifled structure in maintenance steel pipe crack, its characterized in that includes interior propping piece I and interior propping piece II, interior propping piece I and interior propping piece II all adopt semi-circular plate structure, and interior propping piece I and interior propping piece II head and afterbody support in the inside of steel pipe relatively, and the crack position of steel pipe is compressed tightly to interior propping piece I and/or interior propping piece II's middle part.
2. The internal support internal blocking structure for maintaining the cracks of the steel pipe according to claim 1, wherein a threaded plate is fixed on the inner side of the head part of the first internal support member, two threaded holes are formed in the threaded plate, extrusion bolts are screwed into the threaded holes, a top plate is fixed on the inner side of the tail part of the first internal support member, and two bolt jacking grooves are formed in the top plate at positions opposite to the threaded holes;
the screw thread board is fixed on the inner side of the tail part of the second internal stay, two screw holes are formed in the screw thread board, the extrusion bolts are screwed into the screw holes, the top plate is fixed on the inner side of the head part of the second internal stay, and two bolt jacking grooves are formed in the position, opposite to the screw holes, of the top plate.
3. The internal stay internal blocking structure for repairing a steel pipe crack according to claim 2, wherein the extrusion bolt head of the first internal stay is propped into the bolt propping groove of the second internal stay, and the extrusion bolt head of the second internal stay is propped into the bolt propping groove of the first internal stay.
4. The internal stay blocking structure for repairing a crack of a steel pipe according to claim 2, wherein the bolt top groove is a cylindrical groove regardless of penetration, and the inner diameter of the bolt top groove is larger than the diameter of the extrusion bolt.
5. The internal stay plug structure for repairing a crack of a steel pipe according to claim 2, wherein the compression bolt is screwed with a fastening nut, and the fastening nut contacts the threaded plate and fixes the position of the compression bolt.
6. The internal plugging structure for repairing a crack of a steel pipe according to claim 2, wherein the first inclined supporting plate is fixed to the middle of the threaded plate, and the second inclined supporting plate is fixed to the top plate.
7. The internal plugging structure for repairing a crack of a steel pipe according to claim 1, wherein a sealing gasket is arranged between the outer walls of the first internal stay and the second internal stay and the inner wall of the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004019.4U CN219692618U (en) | 2023-04-28 | 2023-04-28 | Inner support inner plug structure for maintaining cracks of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004019.4U CN219692618U (en) | 2023-04-28 | 2023-04-28 | Inner support inner plug structure for maintaining cracks of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692618U true CN219692618U (en) | 2023-09-15 |
Family
ID=87968302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321004019.4U Active CN219692618U (en) | 2023-04-28 | 2023-04-28 | Inner support inner plug structure for maintaining cracks of steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692618U (en) |
-
2023
- 2023-04-28 CN CN202321004019.4U patent/CN219692618U/en active Active
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