CN111322471A - Assembly for splicing underwater immersed tube and using method thereof - Google Patents
Assembly for splicing underwater immersed tube and using method thereof Download PDFInfo
- Publication number
- CN111322471A CN111322471A CN202010276724.4A CN202010276724A CN111322471A CN 111322471 A CN111322471 A CN 111322471A CN 202010276724 A CN202010276724 A CN 202010276724A CN 111322471 A CN111322471 A CN 111322471A
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- immersed
- circular plate
- pipe body
- sealing
- pipe
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 210000001503 joint Anatomy 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/40—Special arrangements for pipe couplings for special environments
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides an assembly for splicing underwater immersed tubes and a using method thereof, wherein the assembly comprises a butt joint piece and a sealing sleeve, the butt joint piece is used for connecting the tube openings of two immersed tubes which are spliced with each other, and the sealing sleeve is used for reinforcing and sealing the spliced immersed tubes and the connecting part of the butt joint piece; the butt joint piece comprises a pipe body and a circular plate fixedly arranged in the middle of the outer wall of the pipe body, sealing rings are arranged at two ends of the pipe body, annular grooves used for being matched with flange plates of immersed tube ports are arranged on two end faces of the circular plate, and a plurality of through holes are formed in the annular grooves; the sealing sleeve comprises cover bodies which are butted with each other, the cover bodies are of a semi-annular shell structure, extension plates are fixedly arranged at two ends of each cover body, the two cover bodies are locked and butted through bolts penetrating through the extension plates to form a closed annular cavity, the annular cavity is matched with the circular plate in shape, and the inner diameter of the annular cavity is equal to the pipe diameter of the immersed tube; the inner ring wall of the cover body and the bottom surface of the extension plate are both stuck with first sealing gaskets; the sealing structure is novel in structure, can provide multiple sealing effects, and is convenient to install.
Description
Technical Field
The invention relates to the field of immersed tube splicing assemblies, in particular to an assembly for splicing underwater immersed tubes and a using method thereof.
Background
The underwater immersed tube is generally used for communication, sewage discharge and other pipelines crossing rivers, and the pipelines are formed by connecting a plurality of hard tubes of several meters, more than ten meters and even dozens of meters; the key point of the mode is the sealing property of the splicing part, and if the mode adopts the mode of sealing through the flange plate and the sealing ring, the sealing and waterproof performance needs to be improved; the connecting piece with better sealing performance has complex structure, is troublesome to install and is inconvenient for construction operation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an assembly for splicing an underwater immersed tube and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an assembly for splicing underwater immersed tubes, which comprises a butt joint piece and a sealing sleeve, wherein the butt joint piece is used for connecting the tube openings of two immersed tubes which are spliced with each other, and the sealing sleeve is used for reinforcing and sealing the spliced immersed tubes and the connecting parts of the butt joint piece; the butt joint piece comprises a pipe body and a circular plate fixedly arranged in the middle of the outer wall of the pipe body, sealing rings are arranged at two ends of the pipe body, the circle center of the circular plate is overlapped with the axis of the pipe body, annular grooves used for being matched with flanges at immersed tube ports are arranged on two end faces of the circular plate, the circle center of each annular groove is overlapped with the axis of the pipe body, the inner diameter of each annular groove is equal to the outer diameter of the pipe body, a plurality of through holes are formed in each annular groove, the through holes are distributed in a circumferential array mode around the circle center of each annular groove, when the butt joint piece is used for splicing immersed tubes, two ends of the pipe body are respectively inserted into the ports of the two immersed tubes, and the flanges of the two immersed tubes are arranged in the annular grooves; the sealing sleeve comprises cover bodies which are butted with each other, the cover bodies are of a semi-annular shell structure, extension plates are fixedly arranged at two ends of each cover body, the two cover bodies are locked and butted through bolts penetrating through the extension plates to form a closed annular cavity, the annular cavity is matched with the circular plate in shape, and the inner diameter of the annular cavity is equal to the pipe diameter of the immersed tube; the inner ring wall of the cover body and the bottom surface of the extension plate are both provided with a first sealing gasket in a sticking mode.
In a preferred technical scheme of the invention, the outer side wall of the circular plate is also provided with a plurality of threaded holes, and the threaded holes are distributed in a circumferential array around the axis of the circular plate; the outer wall of the cover body is provided with a plurality of round holes, the round holes correspond to the threaded holes, and the cover body and the circular plate are reinforced and locked through screws.
In a preferred technical scheme of the invention, the inner walls of the cover body are respectively stuck with a second sealing gasket.
In a preferred technical scheme of the invention, at least 3 sealing rings are arranged on the pipe body on one side of the circular plate, and the sealing rings are fixedly bonded with the pipe body.
In a preferred technical scheme of the invention, chamfers are arranged at the port positions of two ends of the pipe body.
In a preferred embodiment of the present invention, the tube and the circular plate are integrally formed.
The invention also provides a use method of the assembly for splicing the underwater immersed tube, which comprises the following steps:
s1, oppositely placing the pipe orifices of two immersed pipes to be spliced, reserving a space enough for placing a connecting piece between the two immersed pipes, and aligning the mounting holes on the flange plates of the two immersed pipes by rotating one of the immersed pipes;
s2, inserting the pipe body at one end of the butt joint piece into the pipe orifice of the immersed tube, placing the flange plate in the annular groove, enabling the through hole to correspond to the mounting hole of the flange plate by rotating the connecting piece, and inserting a bolt for preliminary limitation;
s3, the other immersed tube is pushed in a translation mode, so that the tube body at the other end of the connecting piece is inserted into the tube opening of the other immersed tube, and locking is completed through the bolt;
and S4, sleeving the two cover bodies on the outer sides of the circular plates, preliminarily locking the two cover bodies through bolts, then adjusting the cover bodies to align the circular holes in the cover bodies with the threaded holes of the circular plates, locking through screws, and then screwing the bolts for locking the cover bodies to complete installation.
The invention has the beneficial effects that:
the assembly for splicing the underwater immersed tube and the using method thereof provided by the invention have novel structures, and the tube body on the butt joint piece can be inserted into the tube orifice of the immersed tube to form a seal; the annular groove and the through hole arranged on the circular plate can be used for adapting and fixing the flange plate of the immersed tube to form two seals; the sealing sleeve forms three seals for the connecting part of the connecting piece and the immersed tube, the integral matching can provide multiple sealing effects, and the tightness of splicing the immersed tube is ensured; and the connecting piece and the immersed tube and the sealing sleeve and the connecting piece are fixed through bolts, so that the integral installation is simple and the operation is convenient.
Drawings
FIG. 1 is a diagram illustrating a state of use of an assembly for splicing underwater sinkers according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a docking piece provided in an embodiment of the present invention;
figure 3 is a schematic perspective view of a sealing sleeve provided in an embodiment of the invention;
fig. 4 is a schematic perspective view of a cover according to an embodiment of the present invention.
In the figure:
100. a docking member; 110. a pipe body; 120. a circular plate; 121. a threaded hole; 130. a seal ring; 140. an annular groove; 150. a through hole; 200. sealing sleeves; 210. a cover body; 211. a through hole; 220. an extension plate; 230. a first gasket; 240. a second gasket.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 4, in the embodiment of the present invention, an assembly for splicing underwater immersed tubes is disclosed, which includes a butt joint member 100 and a sealing sleeve 200, wherein the butt joint member 100 is used for connecting pipe orifices of two immersed tubes spliced with each other, and the sealing sleeve 200 is used for reinforcing and sealing the spliced immersed tubes and the connecting portion of the butt joint member 100; the butt joint part 100 comprises a pipe body 110 and a circular plate 120 fixedly arranged in the middle of the outer wall of the pipe body 110, sealing rings 130 are arranged at two ends of the pipe body 110, the circle center of the circular plate 120 coincides with the axis of the pipe body 110, annular grooves 140 for adapting to flanges of immersed tube ports are arranged on two end faces of the circular plate 120, the circle center of the annular groove 140 coincides with the axis of the pipe body 110, the inner diameter of the annular groove 140 is equal to the outer diameter of the pipe body 110, a plurality of through holes 150 are arranged on the annular groove 140, the through holes 150 are distributed in a circumferential array around the circle center of the annular groove 140, when the butt joint part 100 is used for splicing immersed tubes, two ends of the pipe body 110 are respectively inserted into the mouths of the two immersed tubes, and the flanges of the two immersed tubes are arranged in the annular groove 140 and locked by bolts; the seal sleeve 200 comprises cover bodies 210 which are butted with each other, the cover bodies 210 are in a semi-annular shell structure, extension plates 220 are fixedly arranged at two ends of each cover body 210, the two cover bodies 210 are locked and butted through bolts penetrating through the extension plates 220 to form a closed annular cavity, the annular cavity is matched with the circular plate 120 in shape, and the inner diameter of the annular cavity is equal to the pipe diameter of the immersed tube; a first sealing gasket 230 is adhered to the inner annular wall of the cover 210 and the bottom surface of the extension plate 220.
The assembly for splicing the underwater immersed tube and the use method thereof have novel structures, and the tube body 110 on the butt joint piece 100 can be inserted into the tube orifice of the immersed tube to form a seal; the annular groove 140 and the through hole 150 arranged on the circular plate 120 can be used for adapting and fixing the flange of the immersed tube to form two seals; the sealing sleeve 200 forms three seals for the connecting part of the connecting piece 100 and the immersed tube, and the integral matching can provide multiple sealing effects and ensure the tightness of splicing the immersed tube; and the connecting piece 100 and the immersed tube and the sealing sleeve 200 and the connecting piece 100 are fixed through bolts, so that the integral installation is simple and the operation is convenient.
Further, the outer side wall of the circular plate 120 is further provided with a plurality of threaded holes 121, and the threaded holes 121 are distributed around the axis of the circular plate 120 in a circumferential array; a plurality of round holes 211 are formed in the outer wall of the cover 210, the round holes 211 are arranged corresponding to the threaded holes 121, and the cover 210 and the circular plate 120 are reinforced and locked by screws; the structural design can further reinforce the connection between the cover 210 and the circular plate 120, and enhance the connection stability of the whole body.
Further, a second sealing gasket 240 is adhered to the inner wall of the cover 210; the design of the second gasket 240 may further enhance the seal between the sealing boot 200 and the connection 100.
Furthermore, at least 3 sealing rings 130 are arranged on the pipe body 110 on one side of the circular plate 120, and the sealing rings 130 are adhered and fixed with the pipe body 110; the plurality of sealing rings 130 are designed to provide multiple stages of sealing at the junction of the body 110 and the sink pipe.
Furthermore, chamfers are arranged at the port positions of the two ends of the pipe body 110; the structural design can reduce the fall between the pipe body 110 and the inner wall of the immersed tube, and is convenient for materials to pass through or installation objects to pass through.
Further, the tube 110 and the circular plate 120 are integrally formed.
The invention also provides a use method of the assembly for splicing the underwater immersed tube, which comprises the following steps:
s1, oppositely placing the pipe orifices of two immersed pipes to be spliced, reserving a space enough for placing the connecting piece 100 between the two immersed pipes, and aligning the mounting holes on the flange plates of the two immersed pipes by rotating one of the immersed pipes;
s2, inserting the pipe body 110 at one end of the butt joint piece 100 into the pipe orifice of the immersed tube, placing the flange plate in the annular groove 140, rotating the butt joint piece 100 to enable the through hole 150 to correspond to the mounting hole of the flange plate, and inserting bolts for preliminary limitation;
s3, the other immersed tube is pushed in a translation mode, so that the tube body 110 at the other end of the connecting piece 100 is inserted into the tube opening of the other immersed tube, and locking is completed through the bolt;
s4, the two cover bodies 210 are sleeved on the outer side of the circular plate 120, the two cover bodies 210 are primarily locked by bolts, then the cover bodies 210 are adjusted to align the circular holes 211 on the cover bodies 210 with the threaded holes 121 of the circular plate 120, the cover bodies 210 are locked by screws, and the bolts for locking the cover bodies 210 are tightened to complete the installation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (7)
1. The utility model provides an assembly for splicing of underwater immersed tube which characterized in that:
the pipe joint comprises a butt joint part (100) and a sealing sleeve (200), wherein the butt joint part (100) is used for connecting pipe orifices of two spliced immersed pipes, and the sealing sleeve (200) is used for reinforcing and sealing the spliced immersed pipes and the connecting part of the butt joint part (100);
the butt joint piece (100) comprises a pipe body (110) and a circular plate (120) fixedly arranged at the middle part of the outer wall of the pipe body (110), sealing rings (130) are arranged at two ends of the pipe body (110), the circle center of the circular plate (120) coincides with the axis of the pipe body (110), annular grooves (140) used for adapting to immersed tube port flange plates are arranged on two end faces of the circular plate (120), the circle center of each annular groove (140) coincides with the axis of the pipe body (110), the inner diameter of each annular groove (140) is equal to the outer diameter of the pipe body (110), a plurality of through holes (150) are arranged on each annular groove (140), the through holes (150) are distributed in a circumferential array mode around the circle center of each annular groove (140), when the butt joint piece (100) is used for splicing immersed tubes, the two ends of the pipe body (110) are respectively inserted into the pipe ports of the two immersed tubes, and the flange plates of the two immersed tubes are arranged in the annular grooves, and locking is carried out through a bolt;
the sealing sleeve (200) comprises cover bodies (210) which are mutually butted, the cover bodies (210) are of a semi-annular shell structure, extension plates (220) are fixedly arranged at two ends of each cover body (210), the two cover bodies (210) are locked and butted through bolts penetrating through the extension plates (220) to form a closed annular cavity, the annular cavity is matched with the circular plate (120) in shape, and the inner diameter of the annular cavity is equal to the pipe diameter of a immersed pipe; and first sealing gaskets (230) are respectively adhered to the inner annular wall of the cover body (210) and the bottom surface of the extension plate (220).
2. The assembly for splicing the underwater immersed tube according to claim 1, wherein:
the outer side wall of the circular plate (120) is also provided with a plurality of threaded holes (121), and the threaded holes (121) are distributed in a circumferential array around the axis of the circular plate (120); the outer wall of the cover body (210) is provided with a plurality of round holes (211), the round holes (211) are arranged corresponding to the threaded holes (121), and the cover body (210) and the circular plate (120) are reinforced and locked through screws.
3. The assembly for splicing the underwater immersed tube according to claim 1, wherein:
and second sealing gaskets (240) are respectively adhered to the inner walls of the cover body (210).
4. The assembly for splicing the underwater immersed tube according to claim 1, wherein:
the pipe body (110) on one side of the circular plate (120) is provided with at least 3 sealing rings (130), and the sealing rings (130) are fixedly bonded with the pipe body (110).
5. The assembly for splicing the underwater immersed tube according to claim 1, wherein:
and chamfers are arranged at the port positions of the two ends of the pipe body (110).
6. The assembly for splicing the underwater immersed tube according to claim 1, wherein:
the pipe body (110) and the circular plate (120) are of an integrated structure.
7. A method of using an assembly for splicing underwater sinkers according to claim 2, wherein:
the method comprises the following steps:
s1, oppositely placing the pipe orifices of two immersed pipes to be spliced, reserving a space enough for placing a connecting piece (100) between the two immersed pipes, and aligning the mounting holes on the flange plates of the two immersed pipes by rotating one of the immersed pipes;
s2, inserting the pipe body (110) at one end of the butt joint piece (100) into the pipe orifice of the immersed tube, placing the flange plate in the annular groove (140), enabling the through hole (150) to correspond to the mounting hole of the flange plate by rotating the joint piece (100), and inserting a bolt for preliminary limitation;
s3, the other immersed tube is pushed in a translation mode, so that the tube body (110) at the other end of the connecting piece (100) is inserted into the tube opening of the other immersed tube, and locking is completed through the bolt;
s4, sleeving the two cover bodies (210) on the outer sides of the circular plate (120), primarily locking the two cover bodies (210) through bolts, then adjusting the cover bodies (210) to enable the round holes (211) in the cover bodies (210) to be aligned with the threaded holes (121) of the circular plate (120), locking through screws, and then screwing the bolts for locking the cover bodies (210) to complete installation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010276724.4A CN111322471B (en) | 2020-04-10 | 2020-04-10 | Assembly for splicing underwater immersed tube and application method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010276724.4A CN111322471B (en) | 2020-04-10 | 2020-04-10 | Assembly for splicing underwater immersed tube and application method thereof |
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CN111322471A true CN111322471A (en) | 2020-06-23 |
CN111322471B CN111322471B (en) | 2024-06-25 |
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CN202010276724.4A Active CN111322471B (en) | 2020-04-10 | 2020-04-10 | Assembly for splicing underwater immersed tube and application method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116557654A (en) * | 2023-07-11 | 2023-08-08 | 鑫鹏源(聊城)智能科技有限公司 | Improved steel pipe connector |
CN117345965A (en) * | 2023-12-04 | 2024-01-05 | 山东瓦利斯智能科技有限公司 | Blow-down pipe connecting and sealing device |
CN117468508B (en) * | 2023-11-29 | 2024-03-29 | 中交城乡建设规划设计研究院有限公司 | Immersed tube tunnel pipe joint structure |
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CN2227778Y (en) * | 1995-06-14 | 1996-05-22 | 中国科学院长春应用化学研究所 | Cross-linked polyethylene pipe joint |
CN2384088Y (en) * | 1999-07-23 | 2000-06-21 | 昆山天星水暖有限公司 | Pipe joint |
KR101023940B1 (en) * | 2010-10-14 | 2011-03-28 | 정규호 | Apparatus for connecting plastic pipes |
CN102410413A (en) * | 2011-08-23 | 2012-04-11 | 重庆顾地塑胶电器有限公司 | Steel-plastic composite tube connecting structure based on orifice flangings |
CN103822034A (en) * | 2014-02-27 | 2014-05-28 | 苏氏工业科学技术(北京)有限公司 | Sealing hoop and connecting structure that sealing hoop connects flange plate |
WO2016128876A1 (en) * | 2015-02-13 | 2016-08-18 | Heckl S.R.O. | Flange joint protection device |
CN209511342U (en) * | 2019-01-31 | 2019-10-18 | 亳州职业技术学院 | A kind of water supply and sewerage pipeline connector of good seal performance |
CN212004656U (en) * | 2020-04-10 | 2020-11-24 | 广东华坤建设集团有限公司 | Subassembly is used in splicing of immersed tube under water |
-
2020
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CN2227778Y (en) * | 1995-06-14 | 1996-05-22 | 中国科学院长春应用化学研究所 | Cross-linked polyethylene pipe joint |
CN2384088Y (en) * | 1999-07-23 | 2000-06-21 | 昆山天星水暖有限公司 | Pipe joint |
KR101023940B1 (en) * | 2010-10-14 | 2011-03-28 | 정규호 | Apparatus for connecting plastic pipes |
CN102410413A (en) * | 2011-08-23 | 2012-04-11 | 重庆顾地塑胶电器有限公司 | Steel-plastic composite tube connecting structure based on orifice flangings |
CN103822034A (en) * | 2014-02-27 | 2014-05-28 | 苏氏工业科学技术(北京)有限公司 | Sealing hoop and connecting structure that sealing hoop connects flange plate |
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CN209511342U (en) * | 2019-01-31 | 2019-10-18 | 亳州职业技术学院 | A kind of water supply and sewerage pipeline connector of good seal performance |
CN212004656U (en) * | 2020-04-10 | 2020-11-24 | 广东华坤建设集团有限公司 | Subassembly is used in splicing of immersed tube under water |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116557654A (en) * | 2023-07-11 | 2023-08-08 | 鑫鹏源(聊城)智能科技有限公司 | Improved steel pipe connector |
CN116557654B (en) * | 2023-07-11 | 2023-09-19 | 鑫鹏源(聊城)智能科技有限公司 | Improved steel pipe connector |
CN117468508B (en) * | 2023-11-29 | 2024-03-29 | 中交城乡建设规划设计研究院有限公司 | Immersed tube tunnel pipe joint structure |
CN117345965A (en) * | 2023-12-04 | 2024-01-05 | 山东瓦利斯智能科技有限公司 | Blow-down pipe connecting and sealing device |
CN117345965B (en) * | 2023-12-04 | 2024-02-06 | 山东瓦利斯智能科技有限公司 | Blow-down pipe connecting and sealing device |
Also Published As
Publication number | Publication date |
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CN111322471B (en) | 2024-06-25 |
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