CN108429205B - Intelligent composite flexible pipe joint sheath - Google Patents
Intelligent composite flexible pipe joint sheath Download PDFInfo
- Publication number
- CN108429205B CN108429205B CN201810271297.3A CN201810271297A CN108429205B CN 108429205 B CN108429205 B CN 108429205B CN 201810271297 A CN201810271297 A CN 201810271297A CN 108429205 B CN108429205 B CN 108429205B
- Authority
- CN
- China
- Prior art keywords
- functional unit
- sheath
- transition section
- cone
- flexible pipe
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 230000007704 transition Effects 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to an intelligent composite flexible pipe joint sheath, which solves the technical problems of inconvenient connection operation, high manufacturing cost, poor reliability, serious signal loss and attenuation of a functional unit and the like of the functional unit built-in joint type functional unit for flexible pipe joint connection with the functional unit in the prior art. The invention provides an intelligent composite flexible pipe joint sheath, wherein a joint sheath body is provided with a cone sheath and a first transition section, the cone sheath is of a hollow cone structure with two open ends, the first transition section is of a circular ring structure, the open end of the large end of the cone sheath is connected with one end of the first transition section, a functional unit channel is arranged on the side wall of the cone sheath, a functional unit penetrating slot is arranged on the side wall of the first transition section in a penetrating way, one end of the functional unit channel is connected with a functional unit penetrating slot, and the functional unit penetrating slot is communicated with the interior of the functional unit channel. The invention is widely applied to joint jackets.
Description
Technical Field
The invention relates to a joint sheath, in particular to an intelligent composite flexible pipe joint sheath.
Background
With the increasing complexity of the oil and gas exploitation environment, the layout requirements on underground pipelines, cables and signal lines are also increasing. With the leap development of flexible pipe technology, a flexible pipe capable of integrating a pipeline, a cable and a signal wire is currently developed. The flexible pipe can reduce the laying workload and the failure risk by implanting the functional units such as the cable, the signal wire and the like into the inner wall of the flexible pipe, and can monitor the pipe, so that more and more oilfield users tend to select the products. The connection of the flexible tube becomes very complex after the addition of the functional unit, both ensuring the operability of the connection and ensuring the reliability of the connection. Although flexible pipes can be produced continuously, they cannot be made infinitely long, and there are still some cases where it is necessary to connect flexible pipes. The connection of common flexible pipes is usually carried out by adopting end joints to connect through flanges or threads, and the flexible pipes with functional units are relatively complex in connection, so that besides the connection of pipe bodies, the connection between the functional units is also required to be considered, and the integrity of a system is ensured.
At present, a transition function unit is built in a connecting joint, and a quick plug is adopted for connection. Although this method is theoretically feasible, it has a certain difficulty in practical operation, and the related problems are more, for example, how to control the reserved quantity of the functional units, how to ensure that the functional units are not damaged in the screwing process of the joint, and the reliability after successful connection is still to be verified. The actual operation is very inconvenient, the manufacturing cost is high, and the reliability is not guaranteed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the intelligent composite flexible pipe joint sheath with low functional unit loss after installation, which has the advantages of low manufacturing cost, simple, reliable and feasible installation process and built-in joint connection of the functional unit.
The technical scheme adopted for solving the technical problems is as follows:
an intelligent composite flexible pipe joint sheath is provided with a joint sheath body, wherein the joint sheath body is provided with a cone sheath and a first transition section, the cone sheath is of a hollow cone structure with two open ends, the first transition section is of a circular ring structure, the large end opening end of the cone sheath is connected with one end of the first transition section, a functional unit channel is arranged on the side wall of the cone sheath, the functional unit channel is of a tubular structure with two open ends, and the two open ends of the functional unit channel are respectively arranged at the two ends of the cone sheath; the side wall of the first transition section is penetrated and provided with a functional unit penetrating slot, one end of the functional unit channel is connected with the functional unit penetrating slot, and the functional unit penetrating slot is communicated with the inside of the functional unit channel.
Preferably, the inner diameter of the large end opening end of the cone sheath is the same as the inner diameter of the first transition section, and the cone sheath and the first transition section are of an integrated structure.
Preferably, the functional unit channel is parallel to the side wall of the cone sheath.
Preferably, the front end of the small end opening end of the cone sheath is provided with a second transition section, the second transition section is of a circular ring structure, the inner diameter of the small end opening end of the cone sheath is the same as that of the second transition section, and the second transition section and the side wall of the cone sheath are of an integrated structure.
Preferably, the side walls of the cone jacket form a slope angle α with the horizontal plane, the slope angle α being an acute angle.
Preferably, the angle of the ramp angle α is 20 °.
Preferably, the other end side wall of the first transition section is internally provided with threads.
Preferably, the side wall of the cone sheath is provided with a fixing hole.
Preferably, the material of the joint sheath body is any one of plastics, alloy materials or rubber materials.
Preferably, the material of the joint sheath body is any one of aluminum alloy, plastic alloy and PE, PP, PVC, POM, PE.
The invention has the beneficial effects that: the intelligent composite flexible pipe joint sheath provided by the invention is connected by the built-in joints of the functional units, has low manufacturing cost, is simple, reliable and feasible in installation process, is only required to be connected with one functional unit connector lug without considering the reserved quantity of the functional unit connector lug, has low loss of the functional units after installation, and realizes reliable connection of the flexible pipe joint with the functional units.
(1) The invention provides an intelligent composite flexible pipe joint sheath, which is provided with a joint sheath body, wherein the joint sheath body is provided with a cone sheath and a first transition section, the cone sheath is of a hollow cone structure with two open ends, the first transition section is of a circular ring structure, the open end of the large end of the cone sheath is connected with one end of the first transition section, the side wall of the cone sheath is provided with a functional unit channel, the functional unit channel is of a tubular structure with two open ends, and the two open ends of the functional unit channel are respectively arranged at the two ends of the cone sheath; the side wall of the first transition section is provided with a functional unit penetrating slot in a penetrating way, one end of a functional unit channel is connected with the functional unit penetrating slot, the functional unit penetrating slot is communicated with the interior of the functional unit channel, the flexible pipe joint overcomes the problem that the traditional joint functional unit built-in joint connection mode is not easy to realize, high-pressure sealing can be realized, and the problems that an integrated cable unit and an optical fiber unit are mutually interfered or wound when the flexible pipe with the functional unit is singly used in the past are avoided; the device layout in oil and gas exploitation can be optimized, the pipeline state can be monitored in real time, and a necessary basis is provided for realizing flexible pipe application datamation and remote management.
(2) When the intelligent composite flexible pipe joint sheath provided by the invention is used for connecting the composite flexible pipe joint with the functional unit, the functional unit is connected outside the composite flexible pipe at the connector lug, the connector lug of the functional unit is peeled off in advance, and then the functional unit channel and the functional unit penetrating slot which are communicated in the specially designed outer sheath are penetrated, so that the special design of the connector is not needed, the manufacturing cost is low, the realization is easy, and the problem of connecting the flexible pipe with the functional unit is solved.
(3) The intelligent composite flexible pipe joint sheath provided by the invention can effectively protect the integrity of the functional unit, is convenient to install and operate and has a wide application range.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention; the method comprises the steps of carrying out a first treatment on the surface of the
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic diagram of a left side view of the present invention;
FIG. 4 is a schematic perspective view of the present invention in use;
fig. 5 is a schematic sectional view (connection joint) of the present invention in a use state.
The marks in the figure: 1. the intelligent composite flexible pipe comprises a cone sheath, a first transition section, a side wall of the cone sheath, a functional unit channel, a side wall of the first transition section, a functional unit penetrating slot, a second transition section, a joint, a fixing hole, an intelligent composite flexible pipe and a functional unit.
Detailed Description
The invention will be further described with reference to the drawings and specific examples to aid in understanding the context of the invention. The method used in the invention is a conventional production method unless specified; the raw materials used, if not specified, are all conventional commercial products.
As shown in fig. 1-3, the invention provides an intelligent composite flexible pipe joint sheath, which is provided with a joint sheath body, wherein the joint sheath body is provided with a cone sheath 1 and a first transition section 2, the cone sheath 1 is of a hollow cone structure with two open ends, the first transition section 2 is of a circular ring structure, the open end of the large end of the cone sheath 1 is connected with one end of the first transition section 2, the inner diameter of the open end of the large end of the cone sheath 1 is the same as the inner diameter of the first transition section 2, and the cone sheath 1 and the first transition section 2 are of an integrated structure; the side wall 3 of the cone sheath is provided with a functional unit channel 4, the functional unit channel 4 is of a tubular structure with two open ends, the functional unit channel 4 is respectively arranged at the two ends of the cone sheath 1 for the opening parts at the two ends, the side wall 5 of the first transition section is penetrated and provided with a functional unit penetrating slot 6, one end of the functional unit channel 4 is connected with the functional unit penetrating slot 6, and the functional unit penetrating slot 6 is communicated with the interior of the functional unit channel 4. The functional unit channel 4 is parallel to the side wall 3 of the cone sheath, so that the insertion of the functional unit 11 is facilitated, and the blockage and bending are not easy.
The front end of the small end opening end of the cone sheath 1 is provided with a second transition section 7, and the second transition section 7 is of a circular ring structure; the inner diameter of the small end opening end of the cone sheath 1 is the same as the inner diameter of the second transition section 7, and the second transition section 7 and the side wall 3 of the cone sheath are of an integral structure. The second changeover portion 7 cladding is in the intelligent composite flexible pipe 10 outside that connects, and the second changeover portion 7 inner wall closely laminates with the intelligent composite flexible pipe 10 outer wall that connects, but the big or small size preparation of intelligent composite flexible pipe 10 that connects, both guarantees the reliability of connecting functional unit 11, can guarantee the inside leakproofness of joint sheath body again.
The side wall 3 of the cone sheath forms a slope angle alpha with the horizontal plane, the slope angle alpha is an acute angle, and the angle of the preferable slope angle alpha is 20 degrees, so that the angle range is optimal, the materials are saved, and the durability and the impact resistance of the intelligent composite flexible pipe joint sheath are ensured according to streamline.
As shown in fig. 4 to 5, when the intelligent composite flexible pipe with the functional unit 11 is connected, the functional unit 11 inside the intelligent composite flexible pipe 10, which needs to be connected with one end, is pulled out, inserted into the functional unit channel 4 and penetrates through the functional unit penetrating slot 6 to be connected with the joint 8 at the other end, and the functional unit 11 penetrates through the joint sheath body, so that the installation process of the joint 8 is simple, reliable and feasible, then the joint is cut off according to the site requirement, and is connected by adopting a special connector, and the joint 8 is protected by adopting a packaging material after the connection, thereby realizing the reliable connection of the flexible pipe joint 10 with the functional unit 11.
Each functional unit penetrates through the slot 6 and the functional unit channel 4 to be inserted into 1 functional unit 11, the external connection mode is used for installing and connecting one functional unit 11, only one functional unit 11 connector lug is needed to be connected, the reserved quantity of the functional unit 11 connector lug is not needed to be considered, and the functional unit 11 can be cut off at will. The installation in the mode has low loss on the functional unit 11, realizes reliable connection of the connector lug of the functional unit 11 in the intelligent composite flexible pipe 10 with the functional unit 11, and ensures that the performance of the whole functional unit 11 is not damaged; on the other hand, the problems that the integrated cable units and the optical fiber units of a plurality of functional units 11 interfere with each other or are wound and the like when the intelligent composite flexible pipe 10 with the functional units 11 is singly used in the past are avoided; on the other hand, if the functional units 11 are more, excessive grooving positions are not needed, the overall strength of the joint is not reduced, and good sealing performance is ensured. The shape of the functional unit through slot 6 can be made into any shape such as rectangle, circle, triangle, diamond, irregular shape and the like according to the shape and the requirement of the functional unit 11 so as to meet the connection requirement of the functional unit 11, and the application range is wide.
The other end side wall of the first transition section 2 is internally provided with threads, and the first transition section and the joint 8 can be connected through threads, and the tail end of the sheath of the intelligent composite flexible pipe joint can also be connected through threads.
The joint sheath is made of PE plastic, and is formed by injection molding according to the shape and the size of the intelligent composite flexible pipe and the intelligent composite flexible pipe joint, so that the joint sheath is convenient to process. The fixed orifices 9 have been seted up on the lateral wall 3 of cone sheath, and joint sheath 1 body can adopt the bolt to pass through fixed orifices 3 to be installed on joint 8, makes joint sheath body and joint 8 firm together, and joint sheath body can be better protection joint 8, and difficult not hard up guarantees that joint leakproofness is good, intensity is high, makes intelligent compound flexible coupling sheath.
The foregoing is merely exemplary of the present invention and is not intended to limit the scope of the present invention, for example, the connector sheath body may be internally threaded and may be threadably coupled to the connector; the slope angle alpha is an acute angle, for example, the angle range of the slope angle alpha is 15-30 degrees; the material of the joint sheath body can be any one of plastics, alloy materials or rubber materials, such as any one of aluminum alloy, plastic alloy and PE, PP, PVC, POM, PE, and the intelligent composite flexible pipe joint sheath can be prepared.
The intelligent composite flexible pipe joint sheath provided by the invention can be well attached and fixed with a joint through custom design. Transition sections with special designs are adopted at two ends: the first transition piece 2 and the second transition piece 7 can protect the functional unit 11 well.
The invention provides an intelligent composite flexible pipe joint sheath, which realizes reliable connection of an intelligent composite flexible pipe 10 with a functional unit 11, optimizes equipment layout in oil and gas exploitation, can monitor pipeline states in real time, and provides a necessary basis for realizing application datamation and remote management of the flexible pipe.
In the description of the present invention, it should be understood that the terms "front," "rear," "inner," "outer," "end," "middle," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must be in a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, for example, all equivalent changes and modifications that may be made in accordance with the claims herein shall fall within the scope of the invention.
Claims (6)
1. The intelligent composite flexible pipe joint sheath is characterized by comprising a joint sheath body, wherein the joint sheath body is provided with a cone sheath and a first transition section, the cone sheath is of a hollow cone structure with two open ends, the first transition section is of a circular ring structure, the large end opening end of the cone sheath is connected with one end of the first transition section, a functional unit channel is arranged on the side wall of the cone sheath, the functional unit channel is of a tubular structure with two open ends, and the two open ends of the functional unit channel are respectively arranged at the two ends of the cone sheath; a functional unit penetrating slot is formed in the side wall of the first transition section in a penetrating manner, one end of the functional unit channel is connected with the functional unit penetrating slot, and the functional unit penetrating slot is communicated with the interior of the functional unit channel; the front end of the small end opening end of the cone sheath is provided with a second transition section, the second transition section is of a circular ring structure, the inner diameter of the small end opening end of the cone sheath is the same as the inner diameter of the second transition section, and the second transition section and the side wall of the cone sheath are of an integrated structure;
the inner diameter of the large end opening end of the cone sheath is the same as the inner diameter of the first transition section, the cone sheath and the first transition section are of an integrated structure, the functional unit channel is parallel to the side wall of the cone sheath, the side wall of the cone sheath and the horizontal plane form a slope angle alpha, and the slope angle alpha is an acute angle.
2. An intelligent composite flexible pipe joint sheath according to claim 1, wherein the angle of the ramp angle α is 20 °.
3. The intelligent composite flexible pipe joint sheath of claim 1, wherein the other end side wall of the first transition section is internally threaded.
4. The intelligent composite flexible pipe joint sheath according to claim 1, wherein the side wall of the cone sheath is provided with a fixing hole.
5. The intelligent composite flexible pipe joint boot of claim 1, wherein the material of the boot body is any one of a plastic, an alloy material, or a rubber material.
6. The intelligent composite flexible pipe joint boot of claim 5, wherein the material of the boot body is any one of aluminum alloy, plastic alloy, PE, PP, PVC, POM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271297.3A CN108429205B (en) | 2018-03-29 | 2018-03-29 | Intelligent composite flexible pipe joint sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271297.3A CN108429205B (en) | 2018-03-29 | 2018-03-29 | Intelligent composite flexible pipe joint sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108429205A CN108429205A (en) | 2018-08-21 |
| CN108429205B true CN108429205B (en) | 2024-01-23 |
Family
ID=63160047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271297.3A Active CN108429205B (en) | 2018-03-29 | 2018-03-29 | Intelligent composite flexible pipe joint sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108429205B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2203690A1 (en) * | 1994-12-06 | 1996-06-13 | Winfield M. Sides, Iii | Internal coiled tubing connector |
| CN201289766Y (en) * | 2008-11-06 | 2009-08-12 | 上海姆威信息科技有限公司 | Built-in spiral tortility fiber-optical type composite insulator |
| CN105735974A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Test cable and test pipe column |
| CN106014319A (en) * | 2016-06-30 | 2016-10-12 | 西南石油大学 | Horizontal type undersea Christmas tree composite plug device |
| CN106369238A (en) * | 2016-10-08 | 2017-02-01 | 威海纳川管材有限公司 | Non-metal pipeline joint |
| KR20170014798A (en) * | 2015-07-31 | 2017-02-08 | 씨피시스템(주) | Tube connector |
| CN206206821U (en) * | 2016-11-24 | 2017-05-31 | 宁夏青龙管业股份有限公司 | A kind of real-time monitoring formula compound pipeline complex pipeline and conveyance conduit |
| CN106989241A (en) * | 2017-05-12 | 2017-07-28 | 威海纳川管材有限公司 | A kind of flexible pipe joint with functional unit |
| CN107044572A (en) * | 2017-06-22 | 2017-08-15 | 中国海洋大学 | A kind of effective precompressed of ocean composite and flexible is from tight coupling |
| CN107492407A (en) * | 2017-10-09 | 2017-12-19 | 李继前 | Connecting conduit and Multifunctional catheter component |
| CN107842346A (en) * | 2016-09-20 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of oil-water well combined type is intubated internal sealed seating nipple |
| CN207926111U (en) * | 2018-03-29 | 2018-09-28 | 威海纳川管材有限公司 | A kind of Intelligent Composite flexible pipe joint end protective cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7716834B2 (en) * | 2006-02-27 | 2010-05-18 | Beijing Hinen-Hitech Petroleum Technology Development Co., Ltd | Screen manufacturing method and welding apparatus thereof |
-
2018
- 2018-03-29 CN CN201810271297.3A patent/CN108429205B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2203690A1 (en) * | 1994-12-06 | 1996-06-13 | Winfield M. Sides, Iii | Internal coiled tubing connector |
| CN201289766Y (en) * | 2008-11-06 | 2009-08-12 | 上海姆威信息科技有限公司 | Built-in spiral tortility fiber-optical type composite insulator |
| CN105735974A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Test cable and test pipe column |
| KR20170014798A (en) * | 2015-07-31 | 2017-02-08 | 씨피시스템(주) | Tube connector |
| CN106014319A (en) * | 2016-06-30 | 2016-10-12 | 西南石油大学 | Horizontal type undersea Christmas tree composite plug device |
| CN107842346A (en) * | 2016-09-20 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of oil-water well combined type is intubated internal sealed seating nipple |
| CN106369238A (en) * | 2016-10-08 | 2017-02-01 | 威海纳川管材有限公司 | Non-metal pipeline joint |
| CN206206821U (en) * | 2016-11-24 | 2017-05-31 | 宁夏青龙管业股份有限公司 | A kind of real-time monitoring formula compound pipeline complex pipeline and conveyance conduit |
| CN106989241A (en) * | 2017-05-12 | 2017-07-28 | 威海纳川管材有限公司 | A kind of flexible pipe joint with functional unit |
| CN107044572A (en) * | 2017-06-22 | 2017-08-15 | 中国海洋大学 | A kind of effective precompressed of ocean composite and flexible is from tight coupling |
| CN107492407A (en) * | 2017-10-09 | 2017-12-19 | 李继前 | Connecting conduit and Multifunctional catheter component |
| CN207926111U (en) * | 2018-03-29 | 2018-09-28 | 威海纳川管材有限公司 | A kind of Intelligent Composite flexible pipe joint end protective cover |
Non-Patent Citations (1)
| Title |
|---|
| 长输管线对接环焊缝自动相控阵超声波检测技术;韩相勇;;无损检测(第05期);第16-20页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108429205A (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201323414Y (en) | Plug-type pipe joint | |
| CN101071942B (en) | Cable holder | |
| CN108429205B (en) | Intelligent composite flexible pipe joint sheath | |
| CN208330213U (en) | For connecting the metallic pipe coupling of the composite continuous oil pipe of built-in cable | |
| CN101764385B (en) | Seal joint of armored cable | |
| CN202419013U (en) | Self-tapping threaded reducing pipe joint | |
| US9145989B1 (en) | Sprinkler system coupler | |
| CN207926111U (en) | A kind of Intelligent Composite flexible pipe joint end protective cover | |
| CN217010262U (en) | Novel prefabricated assembled fast-assembling electric pipeline | |
| CN105135132A (en) | Polyethylene pipeline with connecting port capable of being rapidly sealed | |
| KR102136340B1 (en) | Multi-tube connector for optical cable | |
| CN213990010U (en) | Double-joint connecting piece for hollow cuboid type and annular cylinder type block corrugated pipes | |
| CN110513541B (en) | Waterproof structure of through-wall pipeline for outer wall covered by waterproof board and construction method of waterproof structure | |
| CN209233445U (en) | A kind of dedicated connecting hose of submarine cable | |
| KR102121356B1 (en) | Multi-tube coupler for optical cable | |
| CN206960723U (en) | Underwater optical fibre snap joint | |
| KR100362205B1 (en) | Optical cable for laying | |
| CN202856293U (en) | Glass fiber reinforced plastic cable protective sleeve tube | |
| KR20120102946A (en) | Waterproof device for cable pathway | |
| CN101726805B (en) | Optical fiber remote connector for outdoor communication network and fabrication method thereof | |
| CN220475362U (en) | Wall-penetrating cable plugging structure | |
| CN218425345U (en) | Flanging steel wire braided tube with buckling connection structure | |
| CN221196553U (en) | PVC drain pipe prosthetic devices | |
| CN215673049U (en) | Quick-connection square corrugated pipe | |
| CN219345757U (en) | Pipeline with lead and pipeline connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |