CN104791568B - Quick plug device under water with flexible member - Google Patents

Quick plug device under water with flexible member Download PDF

Info

Publication number
CN104791568B
CN104791568B CN201510090723.XA CN201510090723A CN104791568B CN 104791568 B CN104791568 B CN 104791568B CN 201510090723 A CN201510090723 A CN 201510090723A CN 104791568 B CN104791568 B CN 104791568B
Authority
CN
China
Prior art keywords
quick plug
under water
flexible member
anode
soon
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.)
Expired - Fee Related
Application number
CN201510090723.XA
Other languages
Chinese (zh)
Other versions
CN104791568A (en
Inventor
张鹏举
齐效文
施佳
黄河
李博
汪伟俊
涂再君
许淑峰
梁斌
汤有兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd
Original Assignee
MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd filed Critical MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd
Priority to CN201510090723.XA priority Critical patent/CN104791568B/en
Publication of CN104791568A publication Critical patent/CN104791568A/en
Application granted granted Critical
Publication of CN104791568B publication Critical patent/CN104791568B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/02Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined
    • F16L37/04Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined with an elastic outer part pressing against an inner part by reason of its elasticity
    • F16L37/05Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined with an elastic outer part pressing against an inner part by reason of its elasticity tightened by the pressure of a mechanical element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/008Couplings of the quick-acting type for branching pipes; for joining pipes to walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/02Branch units, e.g. made in one piece, welded, riveted

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses the quick plug device under water of a kind of band flexible member, including: quick plug and protection quick plug under water, wherein, described quick plug under water includes: an anode is inserted soon, and anode inserts internal being provided with and the injection pressure flow channel space of extraneous UNICOM soon;One ROV handle, it operates this quick plug for ROV under water;One flexible member, rear end and the front end of ROV handle that the two ends of this flexible member are inserted soon with this anode respectively are fixed and are connected.The quick plug under water of flexible member of the present invention includes the multiple form of the composition of single channel and multichannel, can realize single channel and suppress, it is possible to realize multichannel and suppress simultaneously;In the present invention, the hydraulic communication of multichannel composition version once can be docked successfully by an anode plug, effectively reduces mating interface, reduces the incidence rate revealed, ensures the sealing property of plug.

Description

Quick plug device under water with flexible member
Technical field
The present invention relates to the plug device of a kind of subsea production tree, especially relate to the quick inserting under water of a kind of flexible member Head unit.
Background technology
At present, under water in the production tree hydraulic control of oil and gas development, plug is that subsea production tree outer liquid presses under water Power unit provides critical passage, after ROV is by handling plug connection production tree hydraulic control socket under water, and production tree external hydraulic The fluid pressure line that system is subsea production tree provides hydraulic power, to control the action executing of subsea production tree hydraulic mechanism.Mesh Before, tradition applies in underwater installation, and quick plug exists a lot of defect and deficiency under water: after one, tradition plug under water connects Sealing property not enough, be easily caused control hydraulic leak or with the oozing mutually of sea water;Two, tradition plug under water is executed from being installed to hydraulic pressure Press through the action executing complex steps of journey, time-consuming longer;Three, tradition plug under water is usually single pass hydraulic pressure plug, hydraulic pressure Control execution efficiency low.
As can be seen here, traditional quick plug also exists a lot of defect, it is impossible to meet the needs of present submerged production equipment, Improve the most further.
Summary of the invention
It is an object of the invention to provide the quick plug device under water of a kind of band flexible member so that it is there is sealing property Good, reliability high, it is little to suppress difficulty, length in service life, advantage that hydraulic pressure execution efficiency is high.
For solving above-mentioned technical problem, the present invention provides the quick plug device under water of a kind of band flexible member, including: water Lower quick plug and protection quick plug, wherein, described quick plug under water includes:
One anode is inserted soon, is internally provided with the injection pressure flow channel space being in communication with the outside;
One ROV handle, it is used for operating this quick plug;
One flexible member, rear end and the front end of ROV handle that the two ends of this flexible member are inserted soon with this anode respectively are solid Fixed connection;
Described quick plug under water, described protection quick plug respectively with socket with the use of, described quick plug under water Production tree internal unit is suppressed test, and after having suppressed, sealing member is sealed by described protection quick plug.
In one embodiment of the present of invention, the front end that described anode is inserted soon is provided with the buffer stopper for reducing shock loading.
In one embodiment of the present of invention, described flow channel space is provided with injection pressure near the side, front end that described anode is inserted soon Mouthful, the side, rear end inserted soon near anode is provided with oil pipe connector;Described anode plug is provided with annular groove, this annular groove Jointly surround circular passage with socket inner walls, described injection pressure mouth connects with this circular passage;
This annular groove is respectively provided on two sides with to assemble the seal groove of sealing ring.
In one embodiment of the present of invention, the quantity that arranges of described injection pressure mouth is at least one, to realize integrated multiple liquid Pressure quick plug carries out the function suppressed simultaneously, reduces ROV under water and connects the operating time of quick plug, reduces the cost of equipment And the incidence rate of operating process leakage is installed.
In one embodiment of the present of invention, the front end that described anode is inserted soon forms guiding surface, makes anode insert soon the most right Just and insert socket.
In one embodiment of the present of invention, described anode is inserted between described flexible member soon by nut and the first joint Fixing connection.
In one embodiment of the present of invention, by nut and the second joint between described flexible member and described ROV handle Fixing connection.
In one embodiment of the present of invention, described quick protection plug includes:
One anode is inserted soon, and its front end is provided with annular groove, and this annular groove forms circular passage, this sun with the inwall of socket Being exceedingly fast after inserting socket, this circular passage connects with the inlet of described socket;
One ROV handle, it is used for operating this protection quick plug;
One flexible member, rear end and the front end of ROV handle that the two ends of this flexible member are inserted soon with this anode respectively are solid Fixed connection.
In one embodiment of the present of invention, the front end that described anode is inserted soon is installed with for reducing the slow of shock loading Rush block.
Having the beneficial effect that of the device of quick plug under water of the band flexible member of the present invention
The device of quick plug under water of the present invention uses flexible member to connect ROV handle and anode plug, and inserts at anode Head front end is equipped with buffer stopper, and relatively conventional plug rigid connection has cushioning effect, can bear bigger shock loading; The anode plug front end of this invention device is provided with guiding surface, in ROV control, it is simple to plug guides docking, adjustability under water By force, save the set-up time, improve work efficiency;Additionally, the multichannel version that the hydraulic pressure in the present invention is inserted soon can be passed through Hydraulic pressure is inserted soon and is connected, it is achieved once connecting, hydraulic channel is the most all suppressed, it is ensured that the sealing property of hydraulic channel, improves Hydraulic pressure suppresses efficiency;Hydraulic pressure of the present invention inserts the sealing ring of per pass injection pressure mouth both sides assembling soon, it is ensured that the sealing of each runner Can, improve the fast functional reliability inserted.
Accompanying drawing explanation
Fig. 1 is the structural representation of the quick plug under water of the band flexible member of the present invention.
Fig. 2 is the structural representation protecting quick plug under water of the band flexible member of the present invention.
Fig. 3 be band flexibility structure of the present invention two path water under the structural representation of quick plug.
[simple symbol explanation]
[quick plug]
11 anodes insert 12 first joint 13 flexible member 14 second joints soon
15 ROV handle 17 hexagon socket cap head screw 18 self-locking nuts
19 plug 110 seal groove 111 injection pressure mouth 112 buffer stoppers
113 hexagon socket cap head screw 114 tubing interface 11101 annular grooves
[protection quick plug]
22 first joint 23 flexible member 24 second joints
25 ROV handle 27 hexagon socket cap head screw 28 self-locking nuts
215 hexagon socket cap head screw 210 seal groove 212 buffer stoppers
213 hexagon socket cap head screw 218 socket 217 glands
216 anodes insert 219 fixed panel 220 inlets soon
2201 annular grooves.
Detailed description of the invention
Please refer to shown in Fig. 1 and Fig. 2, the device of quick plug under water of band flexible member of the present invention includes the quickest Plug and protect quick plug under water, quick plug includes the most under water: an anode inserts 11 soon, and anode is provided with stream in inserting 11 soon Space, road, one end of this flow channel space is set to injection pressure mouth 111, and flow channel space is set to oil pipe even near the side, rear end that anode is inserted soon Interface 114, anode plug is provided with annular groove 11101, and this annular groove 11101 surrounds annular jointly with socket 218 inwall Passage, injection pressure mouth 111 connects with this circular passage;This annular groove 11101 is respectively provided on two sides with to assemble the close of sealing ring Sealing groove 110.After this seal groove 110 quick plug under water inserts socket 218 soon, prevent from suppressing fluid leakage.Wherein, anode The fast front end inserting 11 is set to guiding surface structure, it is simple to quick plug coordinates insertion socket 218 smoothly under water;One ROV handle, Being easy to this quick plug under water of ROV underwater operation, this ROV handle is operation structure, uses this ROV handle to quick plug under water Operate.One flexible member 13 uses to be had certain elastic deformation and has the component of flexibility, and concretely, the present invention is permissible Utilizing steel wire rope etc. as flexible member 13, steel wire rope one end jointed anode is inserted soon, and the other end connects ROV handle, fast to increase The flexibility inserted;Seal groove 110 is separately positioned on the both sides of injection pressure mouth 111, and it is internally installed sealing ring, itself and quick inserting under water Head coordinates and is combined with socket 218 and is collectively forming sealing structure, and injection pressure mouth 111 connects with the inlet 220 of socket 218, liquid Sealing member is entered, after being suppressed by injection pressure mouth 111, due to seal groove 110 at two at injection pressure mouth 111 by inlet so that it is Define sealing space, it is to avoid fluid leakage.Additionally, the front end of anode quick plug is provided with buffer stopper 112, the most quickly When plug inserts, decreasing shock loading, extend the service life of anode quick plug, wherein, this buffer stopper 112 is by interior six Angle fillister head screw 113 is fixed on the front end that anode is inserted soon.The second joint 14 and flexible member is passed through in the front end of this ROV handle 15 One end fixing connect, the other end of this flexible member 13 is fixed by the rear end that the first joint 12 is inserted soon with anode and is connected, excellent Choosing, it is fast that this flexible member 13 is fixed on anode by hexagon socket cap head screw 17 and self-locking nut 18 by this first joint 12 The rear end of speed plug.Additionally, the connectivity part with flow channel space in the rear end of anode quick plug is provided with plug 19, being used for will This side outlet of flow channel space is blocked, it is to avoid the leakage of liquid
Wherein, the most quickly protection plug includes: an anode is inserted soon, and its front end is provided with annular groove 2201, and this annular is recessed Groove 2201 forms circular passage with the inwall of socket 218, and after this anode inserts socket 218 soon, this circular passage is inserted with described The inlet 220 of seat 218 connects;One ROV handle 25, it is used for operating this protection quick plug.One flexible member 23, this flexibility Component 23 uses steel wire rope, and rear end and the front end of ROV handle that the two ends of this flexible member 23 are inserted soon with this anode respectively connect Connecing, concretely, the front end of this ROV handle 25 is connected by the second joint 24 is fixing with one end of flexible member 23, this flexibility The other end of component is fixed by the rear end that the first joint 22 is inserted soon with this anode and is connected, it is preferred that by interior hexagonal cylindrical head The rear end that first joint 22 is inserted soon by screw 27 and self-locking nut 28 with this anode is fixing to be connected.The front end that this anode is inserted soon is formed Having guiding surface, make anode insert quick aligning soon and insert socket, meanwhile, the front end that anode is inserted soon is provided with for reducing impact load The buffer stopper 212 of lotus, wherein, this buffer stopper 212 is fixed on, by hexagon socket cap head screw 213, the front end that anode is inserted soon.When The inner seal of production tree is suppressed after sealing test completes by quick plug under water, extracts rapidly, then by fast for protection Speed plug insertion socket, to its inner sealing, completes to suppress the test job of sealing.
Spigot at socket 218 is provided with fixed panel 219, the gland 217 at this fixed panel 219 and socket outlet Fixing connection, is wherein connected by hexagon socket cap head screw 215 is fixing between fixed panel 219 with gland 217, when protection is fast After speed plug insertion socket, further this protection quick plug can be fixed, and then make inside the sealing member of production tree Maintain a preferable sealing space.
As disposable embodiment, please refer to shown in Fig. 3, the quick inserting under water of the band flexible member of the present invention Head can use two line structures, arranges two injection pressure mouths 111 connected with this flow channel space the most under water inside quick plug, each It is respectively arranged with seal groove near the both sides of injection pressure mouth 111.The quantity that arranges of the injection pressure mouth of the present invention at least arranges one, with Integrated multiple hydraulic pressure is inserted soon and is suppressed simultaneously, reduces ROV under water and connects the fast operating time inserted, reduces cost, reduce multiple Fast inserting connects the incidence rate leaked.Many line structures more than two-way that the present invention is arranged, which reduce mating interface, reduce Suppress the incidence rate of liquid leakage, improve the sealing property of quick plug device accordingly.
Concretely, the process of installing and using of present invention quick plug device under water is:
1, the oil pipe mouth of quick plug under water is connected with suppressing oil pipe.
2, utilize ROV handle to extract rapidly the protection being fixed on production tree to insert soon, immediately by ROV handle by quick inserting Head inserts socket, simultaneously extrusion sea water within socket, and anode is inserted after having coordinated with socket soon, forms flow channel space and oil recovery Forming the sealing space of connection between tree sealing member, complete installation process, when suppressing, liquid passes through injection pressure flow channel space, socket Inlet enter sealing member within production tree.
3, suppress complete, carry out follow-up test or hydraulic control, after having tested, utilize ROV handle to extract the quickest Plug, inserts socket by protection quick plug rapidly, completes the separation process of quick plug under water.
The quick plug device under water of band flexible member of the present invention, this quick plug device is not only suitable for submerged production Complex working condition environment, and during quick plug is installed under water, shorten the set-up time of quick plug under water, save Installation cost, improves the sealing property of quick plug under water simultaneously.After subsea production tree installation, quick plug under water Protect quick plug easily production tree critical seal part can be carried out test operation under water under water, it is also possible to production tree is closed Key member is suppressed, and completes the function of hydraulic control, such as by suppressing driver, and the switch motion of control valve.
The quick plug device under water of band flexible member of the present invention, because it has flexible member, the front end that anode is inserted soon sets This quick plug centering socket is easy in design for guiding surface and crashproof buffer stopper, and its controllability is strong, and withstand shocks load Lotus is little, saves the installation operating time, improves work efficiency, reduce and suppress difficulty, but also extend the use of equipment Life-span.Additionally, this anode quick plug be designed as single channel or multichannel suppress structure, effectively reduce mating interface, reduce The incidence rate of fluid leakage, improves sealing property.The design of seal groove makes its sealing member be internally formed good sealing sky Between, make to suppress runner and connect rapidly, improve reliability.
These are only presently preferred embodiments of the present invention, limit, when not being able to this, the technical scope that the present invention implements, the most all The simple equivalence made with reference to the description of the present invention changes and modifies, and all should still belong to protection scope of the present invention.

Claims (9)

1. the quick plug device under water of a band flexible member, it is characterised in that including: quick plug and protection under water is quickly Plug, wherein, described quick plug under water includes:
One anode is inserted soon, is internally provided with the injection pressure flow channel space being in communication with the outside;
One ROV handle, it is used for operating this quick plug;
One flexible member, rear end and the front end of ROV handle that the two ends of this flexible member are inserted soon with this anode respectively are fixing even Connect;
Described quick plug under water, described protection quick plug respectively with socket with the use of, described quick plug under water is to adopting Oil tree internal unit carries out suppressing test, and after having suppressed, sealing member is sealed by described protection quick plug.
The quick plug device under water of band flexible member the most according to claim 1, it is characterised in that described anode is inserted soon Front end be provided with the buffer stopper for reducing shock loading.
The quick plug device under water of band flexible member the most according to claim 1, it is characterised in that described flow channel space The side, front end inserted soon near described anode is provided with injection pressure mouth, and the side, rear end inserted soon near anode is provided with oil pipe connector;Institute Stating anode to plug soon and be provided with annular groove, this annular groove and socket inner walls surround circular passage jointly, described injection pressure mouth with should Circular passage connects;
This annular groove is respectively provided on two sides with to assemble the seal groove of sealing ring.
The quick plug device under water of band flexible member the most according to claim 3, it is characterised in that described injection pressure mouth Quantity is set and is at least one, suppress with integrated multiple hydraulic pressure quick plugs simultaneously, reduce what ROV connection under water was inserted soon Operating time, reduce cost, reduce multiple quick plug and connect the incidence rate of leakage.
The quick plug device under water of band flexible member the most according to claim 1, it is characterised in that described anode is inserted soon Front end formed guiding surface, make anode insert quick aligning soon and insert socket.
The quick plug device under water of band flexible member the most according to claim 1, it is characterised in that described anode is inserted soon And connect by nut and the first joint are fixing between described flexible member.
The quick plug device under water of band flexible member the most according to claim 6, it is characterised in that
It is connected by nut and the second joint are fixing between described flexible member with described ROV handle.
The quick plug device under water of band flexible member the most according to claim 1, it is characterised in that described protection is quick Plug includes:
One anode is inserted soon, and its front end is provided with annular groove, and this annular groove forms circular passage with the inwall of socket, and this anode is fast After inserting socket, this circular passage connects with the inlet of described socket;
One ROV handle, it is used for operating this protection quick plug;
One flexible member, rear end and the front end of ROV handle that the two ends of this flexible member are inserted soon with this anode respectively are fixing even Connect.
The quick plug device under water of band flexible member the most according to claim 8, it is characterised in that described anode is inserted soon Front end be installed with the buffer stopper for reducing shock loading.
CN201510090723.XA 2015-02-28 2015-02-28 Quick plug device under water with flexible member Expired - Fee Related CN104791568B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510090723.XA CN104791568B (en) 2015-02-28 2015-02-28 Quick plug device under water with flexible member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510090723.XA CN104791568B (en) 2015-02-28 2015-02-28 Quick plug device under water with flexible member

Publications (2)

Publication Number Publication Date
CN104791568A CN104791568A (en) 2015-07-22
CN104791568B true CN104791568B (en) 2016-11-23

Family

ID=53556607

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510090723.XA Expired - Fee Related CN104791568B (en) 2015-02-28 2015-02-28 Quick plug device under water with flexible member

Country Status (1)

Country Link
CN (1) CN104791568B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108706077A (en) * 2018-07-10 2018-10-26 广东大鹏液化天然气有限公司 A kind of unloading arm QCDC flanged joint guiders

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012292A1 (en) * 1980-03-29 1981-10-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen ELECTRICAL CABLE, ESPECIALLY FOR ELECTROHYDRAULIC EXTENSION CONTROLS IN MINING UNDERGROUND OPERATIONS
CN201428415Y (en) * 2009-06-27 2010-03-24 东营市天亿石油工具制造有限公司 Quick pressure testing device of well mouth blowout preventer
CN201765099U (en) * 2010-08-17 2011-03-16 北京昌日新能源科技有限公司 Pressure test connecting part and pressure test blocking part for flow channel of flat plate collector
CN103196622A (en) * 2013-04-08 2013-07-10 伊藤未来能源设备(上海)有限公司 Gas pressure detection system, gas pressure detection plug and gas pressure detection plug assembly
CN105315282B (en) * 2014-07-15 2018-09-21 博瑞生物医药(苏州)股份有限公司 It is a kind of to prepare the unformed method of Ticagrelor
CN204176213U (en) * 2014-09-26 2015-02-25 杭州宇控机电工程有限公司 A kind of antipollution hydraulic quick coupling of single channel under water

Also Published As

Publication number Publication date
CN104791568A (en) 2015-07-22

Similar Documents

Publication Publication Date Title
CN104295839A (en) Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector
CN205978926U (en) Double containment coupling structure
CN103867827B (en) Tailored version jack catchs type adapter
CN104791568B (en) Quick plug device under water with flexible member
CN102691844A (en) Self-alignment connector assembly and self-alignment connector thereof
CN203770904U (en) Universal claw type connector
CN103851288A (en) General clamping jaw type connector
CN106287046B (en) A kind of highly pressurised liquid two way seal pipe joint
CN104879563A (en) Flow limiting valve of air filter
CN203907084U (en) Dedicated jaw-type connector
CN204226915U (en) A kind of rapid pipe joint
CN104154331A (en) Multi-channel elastic penetration of pipeline
CN202280980U (en) Pipeline joint having non-return function
CN205402039U (en) Manifold pilot line high -speed joint hydraulic pressure connects
CN107917297B (en) Low-leakage-rate and long-service-life bidirectional under-pressure plug quick disconnect device
CN103697272B (en) A kind of deepwater multi-loop connects female joint fast
CN103697108B (en) Straight-through type Low rigidity Large travel range self-balancing damping device
CN106523814B (en) A kind of bite type connection enlarging formula steel pipe pipe fitting
CN106931205A (en) A kind of compensated with air device
CN203757254U (en) Deepwater multi-loop fast-connecting male joint
CN206191130U (en) A quick connector grafting device for truck hydraulic system
CN105546254A (en) Quick-connection hydraulic joint for underwater pipe converging and pipe control
CN203686273U (en) Locking non-return combination valve
CN203963330U (en) A kind of universal hydraulic joint
CN208634605U (en) Subsea manifold control pipeline quickly connects hydraulic joint

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161123

Termination date: 20210228

CF01 Termination of patent right due to non-payment of annual fee