CN107345608A - A kind of underwater Management of Pipeline Mechanical Equipment connector - Google Patents
A kind of underwater Management of Pipeline Mechanical Equipment connector Download PDFInfo
- Publication number
- CN107345608A CN107345608A CN201710636167.0A CN201710636167A CN107345608A CN 107345608 A CN107345608 A CN 107345608A CN 201710636167 A CN201710636167 A CN 201710636167A CN 107345608 A CN107345608 A CN 107345608A
- Authority
- CN
- China
- Prior art keywords
- link slot
- tubular
- tooth section
- flange
- tubular casing
- 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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Classifications
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/62—Couplings of the quick-acting type pneumatically or hydraulically actuated
Abstract
The invention discloses a kind of underwater Management of Pipeline Mechanical Equipment connector, including tubular pins and tubular casing, tubular pins outer surface sets gradually as the upper face of cylinder, external tooth section, lower spron and lower location and installation groove from top to bottom, upper flange is set at the top of the upper face of cylinder, lower link slot is opened up between lower spron and lower location and installation groove, lower location and installation groove upper end sets lower oil leak hole；Tubular casing inner surface sets gradually spron, internal tooth section and the lower face of cylinder from top to bottom, upper spron top opens up link slot, lower face of cylinder bottom sets lower flange, tubular set upper side outer surface sets upper location and installation groove, upper location and installation groove lower end opens up oil leak hole, and fuel feed hole is set in the middle part of tubular casing.The present invention can meet the needs of pipeline deepwater work, and marine environment will not be had an impact, and can significantly lift the efficiency of submarine pipeline operation, improve the time that is reliably connected of submarine pipeline, reduce marine petroleum development cost.
Description
Technical field
The present invention relates to ocean platform and oil-gas pipeline field, is to be related to a kind of underwater cast knot in particular
Structure or Management of Pipeline Mechanical Equipment connector.
Background technology
Submarine pipeline mechanical connector is the key technology for carrying out subsea production system design.As the reliable of submarine pipeline
Quick connection, it can not only reduce financial cost, and and can plays a good protection to marine environment.Conventional water at present
Lower pipe connecting method has：Welding, fluid pressure type connection and mechanical connection, wherein mechanical connection has bolt flange formula company again
Connect, jack catchs type connection, clamping hoop type connection etc. mode.
However, these connected modes are in a way, all there is install the shortcomings of inconvenient, complicated.Such as：Jack catchs type
Connector, its installation reliability is high, but its is complicated, and required installation tool is complicated.Its screw thread of clamping hoop type connector connects
The decline for connecing performance influences whether the performance of its connection, and is more than 1000m in the depth of water and does not apply to substantially.To sum up know, it is necessary to open
Send out and study quick, the reliable mechanical connector product for submarine pipeline.
The content of the invention
The invention aims to overcome deficiency of the prior art, the connection of submarine pipeline Quick mechanical formula, behaviour are realized
Facilitate, there is provided a kind of simple in construction ocean platform cylinder structure and oil-gas pipeline suitable for 12 inches to 48 inches it is new
Type submarine pipeline mechanical connector, its is simple in construction, easy for installation, and connection is reliable, can meet the needs of pipeline deepwater work, no
Marine environment can be had an impact, can significantly lift the efficiency of submarine pipeline operation, improve when being reliably connected of submarine pipeline
Between, reduce marine petroleum development cost.
The purpose of the present invention is achieved through the following technical solutions.
A kind of underwater Management of Pipeline Mechanical Equipment connector, includes the tubular pins and tubular casing of inside and outside socket, the tubular pins and
Tubular casing is disposed as hollow cylinder shape；
The tubular pins outer surface sets gradually as the upper face of cylinder, external tooth section, lower spron and lower positioning peace from top to bottom
Tankage, the upper face of cylinder top are provided with upper flange, circumferentially offered between the lower spron and lower location and installation groove
The lower link slot of axial direction, the lower location and installation groove upper end is provided with the lower oil leak hole being connected with lower link slot；
The tubular casing inner surface is disposed with spron, internal tooth section and the lower face of cylinder from top to bottom, it is described on unload
Carry groove top end and circumferentially offer axial upper link slot, the lower face of cylinder bottom is provided with lower flange, on the tubular casing
End outer surface is circumferentially provided with location and installation groove, and the upper location and installation groove lower end offers what is be connected with upper link slot
Upper oil leak hole, the tubular casing middle part are provided with the fuel feed hole for the radial direction being connected with inside it.
The external tooth section and internal tooth section are meshed, and the external tooth section is arranged to annular round table-like, the top external diameter of external tooth section
Less than its underpart external diameter.
The external tooth section and internal tooth section are formed by axially distributed annular conical surface tooth, the external tooth section and internal tooth section
In each bottom of the tooth face be disposed as circular conical surface, and each tooth carries cone angle；The most lower tooth and internal tooth section of the external tooth section are most
Upper tooth is all higher than the flank profil of other teeth, and the tall and big tooth in internal tooth section of tooth of the external tooth section is high.
The tubular casing and tubular pins are disposed as axially symmetric structure, the tubular casing and tubular pins and process system by steel
Into.
The upper link slot and upper flange are mutually inserted, and the axial depth of the upper link slot is more than the axially high of upper flange
Degree, the rounding radii of the upper flange inside lower end are more than the rounding radii of upper link slot inner circle lower end, the upper flange
Outer surface bottom circumferentially opens up fluted, and the top partial width of upper flange is equal to the width of upper link slot, its underpart width
Less than the width of upper link slot.
The lower link slot and lower flange are mutually inserted, and the axial depth of the lower link slot is more than the axially high of lower flange
Degree, the rounding radii of the lower flange outer upper end are more than the rounding radii of the cylindrical upper end of lower link slot, the lower flange
Inner surface top circumferentially opens up fluted, and the bottom partial width of lower flange is equal to the width of lower link slot, thereon partial width
Less than the width of lower link slot.
The tubular pins outer surface offers logical oil groove along its axial direction, and the logical oil groove is located at its external tooth section, described logical
Oil groove, fuel feed hole, upper oil leak hole and lower oil leak hole are in the position of axial direction on same straight line.
Compared with prior art, beneficial effect caused by technical scheme is：
(1) effect of upper spron and lower spron is to make the incoming unloading of the participation stress after installation in the present invention
Groove, and be unlikely to concentrate on tooth, tooth is deformed even and fracture, tubular casing and tubular pins can be formed after completion of installation
Reliable metal sealing；
(2) the most upper tooth of tubular casing and the most lower tooth of tubular pins are all bigger than the flank profil of other teeth in the present invention, external tooth section
The tall and big tooth in internal tooth section of tooth is high so that the tooth top of tubular casing and the bottom of the tooth of tubular pins have gap, the tooth top and pipe of tubular pins
There is gap in the bottom of the tooth of shape set, can so avoid tubular casing and tubular pins elastic deformation force's mistake because needed in installation process
Greatly, it ensure that the contact strength after installation；
(3) each bottom of the tooth face is disposed as the circular conical surface of constant slope in tubular casing and tubular pins in the present invention, and each
Tooth carries certain cone angle, and self-locking is so effectively formed after the completion of connection, and improves contact strength and the contact of connection
Static seal ability；
(4) tubular casing and tubular pins are designed with flange and groove in the present invention, wide for the connection that is fitted to each other, flange end
Degree is slightly larger than recess width, between upper flange and upper link slot, between lower flange and lower link slot be all non-Full connected, so may be used
Effectively to reduce the loading force in connection procedure, and the metal of formation high intensity is close between the flange and link slot of connector
Envelope；
(5) purpose that logical oil groove is set in the present invention be in order to hydraulic oil oil-filled speed faster；Tubular casing surface has
Fuel feed hole, it is mainly used in connection procedure injecting high pressure liquid force feed in the confined space formed with tubular pins is covered, makes tubular
Pin surface material occurs elastic deformation and shunk, thus special installation tool loads, and completes the installation of connector；Have in tubular pins
Oil leak hole, for installing the unloading and recovery of high pressure liquid force feed；
(6) in the present invention the most upper tooth of tubular casing and the upper cylindrical of tubular pins into close contact, tubular pins it is most lower
The lower cylindrical of tooth and tubular casing is into close contact, this ensure that tubular casing and tubular pins between two contact jaws, are formed
Closed flank of tooth space；Tubular casing and tubular pins have corresponding location and installation groove, for coordinating the installation of installation tool；
(7) present invention can provide the mechanical connection that connection is reliable, installation is quick, easy to operate, simple in construction for pipeline
Mode；The linkage function and sealing function of connector are realized by tubular casing and tubular pins；After the completion of connection, made under water
During industry, the extraneous load such as axial load and radial load suffered by connector, it can be born by teeth groove part；Rational selection connects
The tine angle of device design is connect, the axially loaded external applied load of connector, while the elastomeric radial amount reduced can be reduced；Even
After the completion of connecing, the lower flange of tubular casing contacts to form sufficiently large contact force with tubular pins low groove so that connector top layer gold
Elastic-plastic deformation occurs for category, the leakage channel on filling contact surface, forms reliable contact sealing.
Brief description of the drawings
Fig. 1 is the structural representation of the completion connection of the present invention；
Fig. 2 is the structural representation of the tubular pins of the present invention；
Fig. 3 is the structure chart of present invention connection Ei devices；
Fig. 4 is the structure schematic cross-sectional view before the installation of the present invention；
Fig. 5 is the concrete structure schematic diagram of installation of the present invention；
Fig. 6 is that the present invention completes connection diagram at the upper flange of connection；
Fig. 7 is the implementation figure of the present invention.
Reference:1 tubular pins；2 tubular casings；Location and installation groove on 3；4 times location and installation grooves；Oil leak hole on 5；6 oil-feeds
Hole；7 times oil leak holes；Link slot on 8；9 times link slots；Spron on 10；11 times sprons；12 upper flanges；13 lower flanges；On 14
The face of cylinder；15 times faces of cylinder；16 external tooth sections；17 internal tooth sections；18 logical oil grooves；Pipeline on 19；20 times pipelines；21 welding ends；22 peaces
Holding tool.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, underwater Management of Pipeline Mechanical Equipment connector of the invention, including for the tubular of connecting pipe
The inside and outside socket of pin 1 and tubular casing 2, the tubular pins 1 and tubular casing 2 is set, and is disposed as hollow cylinder shape, described tubular
Set 2 and tubular pins 1 are disposed as axially symmetric structure.The tubular casing 2 and tubular pins 1 are processed into by steel, are preferably selected
High strength steel manufactures.
The outer surface of tubular pins 1 set gradually from top to bottom for the upper face of cylinder 14, external tooth section 16, lower spron 11 and under
Location and installation groove 4, the upper top of the face of cylinder 14 are provided with the upper flange 12 of annular, the lower spron 11 and lower positioning peace
Axial lower link slot 9 is circumferentially offered between tankage 4, the lower upper end of location and installation groove 4 is provided with and the lower phase of link slot 9
The lower oil leak hole 7 of connection.
The inner surface of tubular casing 2 is disposed with spron 10, internal tooth section 17 and the lower face of cylinder 14, institute from top to bottom
To state the top of spron 10 and circumferentially offer axial upper link slot 8, the lower bottom of the face of cylinder 15 is provided with lower flange 13,
The upper end outer surface of tubular casing 2 is circumferentially provided with location and installation groove 3, the upper lower end of location and installation groove 3 offer with
The upper oil leak hole 5 that upper link slot 8 is connected, the middle part of tubular casing 2 are provided with the fuel feed hole for the radial direction being connected with inside it
6.The outer surface of tubular pins 1 offers logical oil groove 18 along its axial direction, and the logical oil groove 18 is located at its external tooth section 16, described logical
Oil groove 18, fuel feed hole 6, upper oil leak hole 5 and lower oil leak hole 7 are in the position of axial direction on same straight line.
The external tooth section 16 and internal tooth section 17 are meshed, and the external tooth section 16 is arranged to annular round table-like, external tooth section 16
Top external diameter is less than its underpart external diameter.The external tooth section 16 and internal tooth section 17 are by axially distributed annular conical surface tooth structure
Into, it is not spiral type, each bottom of the tooth face is disposed as the circular conical surface of constant slope in the external tooth section 16 and internal tooth section 17, and
Each tooth carries certain cone angle.The most lower tooth of the external tooth section 16 and the most upper tooth of internal tooth section 17 are all higher than the tooth of other teeth
Exterior feature, the tall and big tooth in internal tooth section 17 of tooth of the external tooth section 16 are high.The number of teeth of tubular casing 2 is identical with the slot number mesh of tubular pins 1.
The upper link slot 8 and upper flange 12 are mutually inserted, and the axial depth of the upper link slot 8 is more than upper flange 12
Axial height, the rounding radii of the inside lower end of upper flange 12 are more than the rounding radii of the upper inner circle lower end of link slot 8, institute
To state the outer surface bottom of upper flange 12 and circumferentially open up fluted, the top partial width of upper flange 12 is equal to the width of upper link slot 8,
Its underpart width is less than the width of upper link slot 8 so that certain interval be present between upper flange 12 and upper link slot 8.
The lower link slot 9 and lower flange 13 are mutually inserted, and the axial depth of the lower link slot 9 is more than lower flange 13
Axial height, the rounding radii of the outer upper end of lower flange 13 are more than the rounding radii of lower 9 cylindrical upper end of link slot, institute
To state the inner surface top of lower flange 13 and circumferentially open up fluted, the bottom partial width of lower flange 13 is equal to the width of lower link slot 9,
Partial width is less than the width of lower link slot 9 thereon so that certain interval be present between lower flange 13 and lower link slot 9.
The installation of the connector needs specific installation tool to complete, and its installation process and principle are as follows：In tubular casing 2
With tubular pins 1 before proceeding, the welding ends 21 of the top of tubular casing 2 and upper pipeline 19 carries out friction welding, the bottom of tubular pins 1 with
The welding ends 21 of lower pipeline 20 carries out friction welding.Completed in tubular casing 2 and tubular pins 1 in, utilize specific installation tool 22
Fixation is clamped, ensures that the position of tubular pins 1 is fixed, tubular casing 2 can move axially.High pressure is added in fuel feed hole 6
Hydraulic oil, the installation for completing the present invention is loaded using loading hydraulic cylinder.
Tubular casing 2 moves towards the direction of tubular pins 1, until tooth form contacts to form movement interference, forms initial installation shape
State, in Fig. 4 I, II, III be the tooth-shape structure for connecting original state partial enlarged drawing.Injected by fuel feed hole 6 environment-friendly
Liquid high pressure oil, the most upper tooth of tubular casing 2 and the upper face of cylinder 14 of tubular pins 1 form close contact, the most lower tooth of tubular pins 1
Close contact is formed with the lower face of cylinder 15 of tubular casing 2, this ensure that tubular casing 2 and tubular pins 1 are between two contact jaws, shape
Into closed flank of tooth space.The tooth surface of tubular casing 2 produces expansion because of oil pressure elastic deformation, and the tooth surface of tubular pins 1 is because of oil
Compressive resilience deforms and produces contraction.
In order to ensure that flow does not occur during elastic deformation for tubular casing 2 and tubular pins 1, energy is needed to connector material
Guarantee has high elastic limit.Material surface elastic deformation is to a certain extent, near and tubular using specific installation tool, utilization
The upper location and installation groove 3 of set 2, tubular casing 2 is clamped, and is ensured radial rigidity, tubular casing 2 is carried out axially loaded, makes tubular casing 2
Moved to tubular pins 1.During motion, high pressure liquid force feed can flow out from both ends simultaneously.
When the groove mutual added time of the tooth and tubular pins 1 of tubular casing 2, installation.Tubular casing 2 and tubular pins 1 after installation
Face structure, as shown in IV partial enlarged drawing in Fig. 5.Gap be present with the bottom of the tooth of tubular pins 1 in the tooth top of tubular casing 2,
Gap be present in the tooth top of tubular pins 1 and the bottom of the tooth of tubular casing 2.After the completion of connection, the lower flange 13 and tubular pins 1 of tubular casing 2
Lower link slot 9, V, VI partial enlargement in the upper link slot 8 of tubular casing 2 and the connection effect of upper flange 12 such as Fig. 5 of tubular pins 1
Shown in figure.It is Full connected that upper flange 12 and upper link slot 8, lower flange 13 and lower link slot 9, which are not, so can the effective company of reduction
Loading force in termination process, and between connector flange and link slot formed high intensity metal sealing.Managed after installation
Certain space also be present between shape set 2 and tubular pins 1.
High pressure liquid force feed can be equally injected in the connector of installation, is that connection surface produces contraction, recycles
Installation tool Opposite side loading, the dismounting of connector can be completed.
This connector can be used for the connection of offshore oil TLP platform tension force cable wires.TLP tension force cable wires are hollow steel pipes,
For diameter from 610mm to 1200mm, wall thickness is 20~35mm.Length is 60~90m.In TLP platforms, pass through machinery
The tension force cable wire overall length connected is more than 1500m.In practice, because TLP platforms have periodic swaying, surging etc.,
Therefore very high fatigue strength and tensile strength are required for mechanical connector, good sealing property and quickly connected
Connect, be easily changed etc. and requiring.The connector of the present invention is reliably adapted to fast assembling-disassembling with structure, with self-tightening characteristic, structure letter
The features such as single reliable, non-integral type, easy installation and removal.Its dismantling device should meet convenient disassembly, be easy to carry, be compact-sized
The features such as, it can effectively realize the mechanical connections of TLP tension force cable wires.
Although the function and the course of work of the present invention are described above in conjunction with accompanying drawing, the invention is not limited in
Above-mentioned concrete function and the course of work, above-mentioned embodiment is only schematical, rather than restricted, ability
The those of ordinary skill in domain is not departing from present inventive concept and scope of the claimed protection situation under the enlightenment of the present invention
Under, many forms can also be made, these are belonged within the protection of the present invention.
Claims (7)
1. a kind of underwater Management of Pipeline Mechanical Equipment connector, it is characterised in that tubular pins (1) and tubular casing including inside and outside socket
(2), the tubular pins (1) and tubular casing (2) are disposed as hollow cylinder shape；
Tubular pins (1) outer surface sets gradually as the upper face of cylinder (14), external tooth section (16), lower spron (11) from top to bottom
With lower location and installation groove (4), upper flange (12) is provided with the top of the upper face of cylinder (14), the lower spron (11) and lower fixed
Circumferentially offer axial lower link slot (9) between position mounting groove (4), lower location and installation groove (4) upper end be provided with
The lower oil leak hole (7) that lower link slot (9) is connected；
Tubular casing (2) inner surface is disposed with spron (10), internal tooth section (17) and the lower face of cylinder from top to bottom
(15), upper spron (10) top circumferentially offers axial upper link slot (8), and the lower face of cylinder (15) bottom is set
Lower flange (13) is equipped with, tubular casing (2) the upper end outer surface is circumferentially provided with location and installation groove (3), the upper positioning
Mounting groove (3) lower end offers the upper oil leak hole (5) being connected with upper link slot (8), be provided with the middle part of the tubular casing (2) with
The fuel feed hole (6) for the radial direction being connected inside it.
2. underwater Management of Pipeline Mechanical Equipment connector according to claim 1, it is characterised in that the external tooth section (16) and interior
Tooth section (17) is meshed, and the external tooth section (16) is arranged to annular round table-like, and the top external diameter of external tooth section (16) is less than its underpart
External diameter.
3. underwater Management of Pipeline Mechanical Equipment connector according to claim 1, it is characterised in that the external tooth section (16) and interior
Tooth section (17) is formed by axially distributed annular conical surface tooth, each bottom of the tooth in the external tooth section (16) and internal tooth section (17)
Face is disposed as circular conical surface, and each tooth carries cone angle；The most lower tooth of the external tooth section (16) and internal tooth section (17) it is most upper
Tooth is all higher than the flank profil of other teeth, and the tall and big tooth in internal tooth section (17) of tooth of the external tooth section (16) is high.
4. underwater Management of Pipeline Mechanical Equipment connector according to claim 1, it is characterised in that the tubular casing (2) and pipe
Shape pin (1) is disposed as axially symmetric structure, and the tubular casing (2) and tubular pins (1) are processed into by steel.
5. underwater Management of Pipeline Mechanical Equipment connector according to claim 1, it is characterised in that the upper link slot (8) and
Upper flange (12) is mutually inserted, and the axial depth of the upper link slot (8) is more than the axial height of upper flange (12), described convex
The rounding radii of edge (12) inside lower end is more than the rounding radii of upper link slot (8) inner circle lower end, the upper flange (12)
Outer surface bottom circumferentially opens up fluted, and the top partial width of upper flange (12) is equal to the width of upper link slot (8), its underpart
Partial width is less than the width of upper link slot (8).
6. underwater Management of Pipeline Mechanical Equipment connector according to claim 1, it is characterised in that the lower link slot (9) and
Lower flange (13) is mutually inserted, and the axial depth of the lower link slot (9) is more than the axial height of lower flange (13), convex under described
The rounding radii of edge (13) outer upper end is more than the rounding radii of lower link slot (9) cylindrical upper end, the lower flange (13)
Inner surface top circumferentially opens up fluted, and the bottom partial width of lower flange (13) is equal to the width of lower link slot (9), its top
Partial width is less than the width of lower link slot (9).
7. underwater Management of Pipeline Mechanical Equipment connector according to claim 1, it is characterised in that tubular pins (1) appearance
Face offers logical oil groove (18) along its axial direction, and the logical oil groove (18) is located at its external tooth section (16), the logical oil groove (18), enters
Oilhole (6), upper oil leak hole (5) and lower oil leak hole (7) are in the position of axial direction on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636167.0A CN107345608A (en) | 2017-07-31 | 2017-07-31 | A kind of underwater Management of Pipeline Mechanical Equipment connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636167.0A CN107345608A (en) | 2017-07-31 | 2017-07-31 | A kind of underwater Management of Pipeline Mechanical Equipment connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107345608A true CN107345608A (en) | 2017-11-14 |
Family
ID=60258232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710636167.0A Pending CN107345608A (en) | 2017-07-31 | 2017-07-31 | A kind of underwater Management of Pipeline Mechanical Equipment connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345608A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8408705D0 (en) * | 1983-04-05 | 1984-05-16 | Hunting Oilfield Services Ltd | Pipe connectors |
| EP0803637A2 (en) * | 1996-04-26 | 1997-10-29 | Oil States Industries (UK) Ltd. | Pipe connector device with pin and box members having corresponding frusto-conical surfaces |
| US5964486A (en) * | 1997-03-24 | 1999-10-12 | Oil States Industries (Uk) Limited | Pipe connectors |
| CN102076926A (en) * | 2008-06-27 | 2011-05-25 | 石油国家工业（英国）有限公司 | Pipe connector device |
| CN103115211A (en) * | 2013-02-06 | 2013-05-22 | 哈尔滨工程大学 | Detachable pipe connector |
| GB201405338D0 (en) * | 2014-03-25 | 2014-05-07 | Nat Oilwell Varco Lp | Coupling assembly and protective ring therefor |
| WO2016040863A1 (en) * | 2014-09-12 | 2016-03-17 | Riggs David C | Dynamic riser mechanical connector |
| CN205842058U (en) * | 2016-07-21 | 2016-12-28 | 朱新堂 | A kind of pipe connection mechanism and be provided with the thermostatic valve of this mechanism |
| CN106594436A (en) * | 2016-12-16 | 2017-04-26 | 哈尔滨工程大学 | Hydraulic driving type blocking pressing connector |
| CN207179004U (en) * | 2017-07-31 | 2018-04-03 | 天津大学 | A kind of underwater Management of Pipeline Mechanical Equipment connector |
-
2017
- 2017-07-31 CN CN201710636167.0A patent/CN107345608A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8408705D0 (en) * | 1983-04-05 | 1984-05-16 | Hunting Oilfield Services Ltd | Pipe connectors |
| EP0803637A2 (en) * | 1996-04-26 | 1997-10-29 | Oil States Industries (UK) Ltd. | Pipe connector device with pin and box members having corresponding frusto-conical surfaces |
| US5964486A (en) * | 1997-03-24 | 1999-10-12 | Oil States Industries (Uk) Limited | Pipe connectors |
| CN102076926A (en) * | 2008-06-27 | 2011-05-25 | 石油国家工业（英国）有限公司 | Pipe connector device |
| CN103115211A (en) * | 2013-02-06 | 2013-05-22 | 哈尔滨工程大学 | Detachable pipe connector |
| GB201405338D0 (en) * | 2014-03-25 | 2014-05-07 | Nat Oilwell Varco Lp | Coupling assembly and protective ring therefor |
| WO2016040863A1 (en) * | 2014-09-12 | 2016-03-17 | Riggs David C | Dynamic riser mechanical connector |
| CN205842058U (en) * | 2016-07-21 | 2016-12-28 | 朱新堂 | A kind of pipe connection mechanism and be provided with the thermostatic valve of this mechanism |
| CN106594436A (en) * | 2016-12-16 | 2017-04-26 | 哈尔滨工程大学 | Hydraulic driving type blocking pressing connector |
| CN207179004U (en) * | 2017-07-31 | 2018-04-03 | 天津大学 | A kind of underwater Management of Pipeline Mechanical Equipment connector |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Applicant after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Applicant before: Tianjin University |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171114 |