CN201250646Y - Underwater hydraulic pressure directional control valve - Google Patents
Underwater hydraulic pressure directional control valve Download PDFInfo
- Publication number
- CN201250646Y CN201250646Y CNU2008201095691U CN200820109569U CN201250646Y CN 201250646 Y CN201250646 Y CN 201250646Y CN U2008201095691 U CNU2008201095691 U CN U2008201095691U CN 200820109569 U CN200820109569 U CN 200820109569U CN 201250646 Y CN201250646 Y CN 201250646Y
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- main valve
- valve
- valve seat
- oil
- valve body
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Abstract
The utility model provides an underwater hydraulic pressure directional control valve which is mainly used for a well control device of oil drilling in deep water. The underwater hydraulic pressure directional control valve comprises a hydraulic pressure pilot valve and a hydraulic control main valve, wherein a pilot valve body is fixed at the upper part of a main valve holder; an electromagnetic control module is fixed at the upper part of the pilot valve body; three oil paths are formed on the pilot valve body, the on and off of the three oil paths are controlled by an electromagnetic control module fixed at the intersection of the three oil paths; a piston is fixed inside the pilot valve body and is connected with a cylinder rod, the other end of the cylinder rod is fixed with a cylindrical valve core; the main valve holder is provided with an oil guiding opening, an oil feeding opening, an oil discharging opening and a functional oil opening; a valve cover is fixed inside the main valve holder, and the valve core is positioned inside the valve cover cavity. The utility model has the advantages that the oil guiding opening, the oil feeding opening and the functional oil opening are arranged at one side of the main valve holder, each oil path is conveniently integrated and designed, the installation is modularized; most of the material of the valve is made of sea water-resistant stainless steel, the corrosion resistance is good, the operation is reliable, the service life is long, and the utility model is suitable for a deep water well control device.
Description
Technical field
The utility model relates to the oil drilling and r eoovery machine technical field, and particularly a kind of deepwater drilling well control device valve is summarized a kind of pilot operated valve device of controlling underwater hydraulic control system function of tonic chord loop break-make of saying so.
Background technology
Because world petroleum resource is in short supply, particularly resource is fewer and feweri by land, and the ocean is invested one after another with eye by various countries.But because domestic ocean drilling equipment manufacture slower development, along with the increase day by day of operating depth, the existing equipment of domestic each enterprise has not more and more satisfied the needs of marine exploitation.And the most dependence on import of the various device of ocean drilling, the cost height is subjected to technical many restrictions simultaneously.
At present, the various valve members on the domestic market are mainly used in land, and can be applied under water, particularly can be in blank substantially with the valve member that uses on the petroleum drilling and mining well control device that is used for depths, ocean adverse circumstances.
The utility model content
The purpose of this utility model is: a kind of underwater hydraulic reversing valve is provided, realizes that the petroleum drilling and mining well control device under the deep water high pressure adverse circumstances is worked with security and stability, for the deepwater drilling well control device provides a kind of hydraulic control valve member.
The technical solution adopted in the utility model is: a kind of underwater hydraulic reversing valve, comprise hydraulic pilot valve and hydraulic control main valve two parts: the hydraulic pilot valve is a two-position three-way valve.The hydraulic pilot valve mainly is made up of pilot valve body, plug, Electromagnetic Control module, piston, piston rod, spring-support plate, compression spring, main valve seat, pressing plate, upper sealing panel, spool, valve bonnet, hold-down nut and lower seal plate.
Pilot valve body is fixed on main valve seat top by screw thread.The installation cavity that the Motionless electromagnetic control module is arranged on the top of pilot valve valve 1.Be fixed with the Electromagnetic Control module in the installation cavity.The installation cavity of Motionless electromagnetic control module is communicated with three oil circuits: an oil circuit is the supply oil circuit of the guiding hydraulic fluid port on being communicated with main valve body, and an oil circuit is communicated with the interior plunger shaft top of pilot valve body, and the 3rd oil circuit is communicated with outside pilot valve body.The break-make of these three oil circuits is by the Electromagnetic Control module controls that is fixed on three oil circuit intersections.A circumferential groove is arranged on the outer wall of pilot valve body bottom, and the cross section of circumferential groove can be a V-type, also can be rectangle or circular arc.A horizontal aperture is arranged in the circumferential groove, and laterally aperture is communicated with the supply oil circuit in the pilot valve body.Up and down sealing ring is arranged both sides respectively at circumferential groove, sealing ring is between pilot valve body and main valve seat, and the hydraulic oil in the hydraulic fluid port that prevents to lead leaks out outside the valve body.Circumferential groove is relative with guiding hydraulic fluid port on the main valve seat.
Pilot valve body has the cylindrical piston chamber, and the helical spring chamber is arranged at the plunger shaft bottom.Piston is arranged in the plunger shaft.Piston has sealing ring on the face of cylinder, can prevent that the hydraulic oil in the plunger shaft from entering spring cavity.Piston lower end screw thread is connected with piston rod, and the piston rod other end is fixed with cylindric spool.Between piston and spool, be sleeved on successively from top to bottom spring-support plate is arranged on the piston rod, the compression spring, pressing plate and upper sealing panel.Between upper sealing panel and the piston rod sealing ring is housed, between upper sealing panel and the main valve seat sealing ring is arranged, the effect of sealing ring is to prevent that the hydraulic fluid leak in the working connection from entering spring cavity.
Main valve seat is cylindrical, the guiding hydraulic fluid port is arranged on the main valve seat, supply with hydraulic fluid port, drains hydraulic fluid port and function hydraulic fluid port.In main valve seat, be fixed with a valve bonnet.Spool is positioned at the valve bonnet chamber.The lower seal plate that annular is arranged at the main valve seat intracavity bottom and in the bottom of valve bonnet.
Described valve bonnet be evenly distributed with two all circular holes up and down, the outer wall of valve bonnet all has sealing ring with the step that projection is arranged respectively in the middle of on the inwall on each step, contact with spool with the main valve seat internal chamber wall respectively, and two all circular holes about the valve bonnet are kept apart.The circle hole of going up of valve bonnet is communicated with main valve seat supply hydraulic fluid port; The Xia Quan hole of valve bonnet is drained hydraulic fluid port with main valve seat and is communicated with.The valve bonnet inner chamber is communicated with the function hydraulic fluid port of main valve seat by the centre bore of lower seal plate.
After pilot valve body and main valve seat screw thread screwed, pilot valve body clamping platen, pressing plate promoted the tight and sealing of chamber base pressure of upper sealing panel, valve bonnet and lower seal plate and main valve seat.
In order to limit distance between piston and the spring-support plate, a ring-shaped step is arranged on the outer wall of piston rod.
Described piston rod other end fixed cylinder shape spool, fixed form is fixing by hold-down nut, and promptly there is trapezoidal external screw thread the piston rod end, by trapezoidal hold-down nut cylindric spool is fixed, not only can set up the pretightning force of spring, adopt the self-locking of trapezoidal thread energy.
To seal in order making between hydraulic control main valve inner spool and the valve bonnet, sealing ring is arranged between valve bonnet at spool.
In order to ensure the slipper seal between valve bonnet and the main valve seat, between the main valve seat internal chamber wall, sealing ring is arranged at valve bonnet.
Between described lower seal plate and the main valve seat internal chamber wall sealing ring is arranged.
The beneficial effects of the utility model: the utility model underwater hydraulic reversing valve compact conformation, guiding hydraulic fluid port, supply hydraulic fluid port and function hydraulic fluid port are convenient to the integrated design of each oil circuit all in main valve seat one side, and modularization is installed; This valve core is a seat valve, adopts metal and nonmetal flat seal technology, and abrasion resistance is good, and the life-span is long, and sealing is reliable, can utilize high-pressure low-flow pilot valve control high-pressure high-flow fluid; The most of material of this valve is made by seawater corrosionresisting stainless steel, good corrosion resistance, and reliable operation, the life-span is long, is applicable to the deep water well control device.And, be convenient to product seriation by changing the pilot operated valve device that each hydraulic fluid port bore of main valve seat and spool appearance and size can produce various bores, various states, satisfy various occasion requirements.
Description of drawings
Fig. 1 is the utility model underwater hydraulic reversing valve structural profile schematic diagram.Be the utility model general structure schematic diagram.
Fig. 2 is main valve seat 8 schematic diagrames,
Fig. 3 is a underwater hydraulic reversing valve internal machine core structural representation, and promptly control piston 4 is to the annexation schematic diagram of seat valve spool 11.
Among the figure, 1. pilot valve body, 2. plug, 3. Electromagnetic Control module, 4. piston, 5. piston rod, 6. spring-support plate, 7. compression spring, 8. main valve seat, 9. pressing plate, 10. upper sealing panel, 11. spool, 12. valve bonnets, 13. hold-down nuts, 14. the lower seal plate, 15. guiding hydraulic fluid ports, 16. supply with hydraulic fluid port, 17. the drainage hydraulic fluid port, 18. function hydraulic fluid ports, 19. circumferential grooves.
The specific embodiment
Embodiment 1: consult Fig. 1.Underwater hydraulic reversing valve is divided into two parts, i.e. hydraulic pilot valve and hydraulic control main valve.Pilot valve body 1 is made by the high strength seawater corrosionresisting stainless steel.The hydraulic pilot valve is a two-position three-way valve; The hydraulic control main valve is a seat valve.This hydraulic pilot valve is made up of pilot valve body 1, plug 2, Electromagnetic Control module 3, piston 4, piston rod 5, spring-support plate 6, compression spring 7, main valve seat 8, pressing plate 9, upper sealing panel 10, spool 11, valve bonnet 12, hold-down nut 13 and lower seal plate 14.
Three chambers are arranged on the pilot valve body 1, are Electromagnetic Control module installation cavity, plunger shaft and spring cavity successively.Three chambeies are coaxial, are positioned on the center line of pilot valve body 1.Electromagnetic Control module installation cavity is connected together by an oil duct and plunger shaft, and plunger shaft then directly is communicated with spring cavity, and boring is bored and machined together.
Consult Fig. 2.Main valve seat 8 is cylindrical, guiding hydraulic fluid port 15 is arranged on the main valve seat 8, supply with hydraulic fluid port 16, drains hydraulic fluid port 17 and function hydraulic fluid port 18.Consult Fig. 1.In main valve seat 8, be fixed with a valve bonnet 12.Spool 11 is positioned at valve bonnet 12 chambeies.Spool 11 has sealing ring between valve bonnet 12.Between main valve seat 8 internal chamber walls, sealing ring is arranged at valve bonnet 12.The lower seal plate 14 that annular is arranged at main valve seat 8 intracavity bottoms and in the bottom of valve bonnet 12.
After pilot valve body 1 screwed with main valve seat 8 screw threads, pilot valve body 1 clamping platen 9, pressing plate 9 promoted the tight and sealing of chamber base pressure of upper sealing panel 10, valve bonnet 12 and lower seal plate 14 and main valve seat 8.Upper sealing panel 10 and lower seal plate 14 adopt polytetrafluoroethylmaterial material to make.
Guiding hydraulic fluid port 15 on the main valve seat 8, supply hydraulic fluid port 16 and function hydraulic fluid port 18 are arranged in a side, are convenient to the integrated design of each oil circuit, and modularization is installed.Drain hydraulic fluid port 17 and be positioned at main valve seat 8 opposite sides.Layout both can be directly external with the hydraulic fluid blow off valve like this, and can also drain the hydraulic fluid port side in several pilot operated valve device that distribute side by side and load onto the afflux manifold, with the hydraulic fluid centralized collection of discharging, the unified processing.
The course of work of this underwater hydraulic reversing valve is as follows: consult Fig. 1.Underwater hydraulic reversing valve is installed in that deepwater drilling well control device valve heap is gone up and with its guiding hydraulic fluid port 15, supply with hydraulic fluid port 16 and function hydraulic fluid port 18 is connected with the oil circuit integrated package on the valve heap, again Electromagnetic Control module 3 is installed on the hydraulic pilot valve body 1.During 3 outages of Electromagnetic Control module, plunger shaft is led to seawater.Spool 11 is close to upper sealing panel 10 under the effect of spring 7, supply with hydraulic fluid port 16 and be disconnected, and function hydraulic fluid port 18 is communicated with drainage hydraulic fluid port 17, leads to seawater, the pilot operated valve device closure; When 3 energisings of Electromagnetic Control module, hydraulic oil in the guiding hydraulic fluid port 15 enters plunger shaft, hydraulic coupling overcomes the pre-pressing force of spring 7, the frictional resistance and the seawater pressure of friction pair, piston 4 and spool 11 are depressed, spool 11 is close to lower seal plate 14, supply with hydraulic fluid port 16 and be communicated with, drain hydraulic fluid port 17 and be blocked with function hydraulic fluid port 18.High-voltage oil liquid enters executive component, finally finishes exercises.
Claims (7)
1, a kind of underwater hydraulic reversing valve, comprise hydraulic pilot valve and hydraulic control main valve two parts: it is characterized in that: the hydraulic pilot valve is a two-position three-way valve, the hydraulic pilot valve mainly is made up of pilot valve body (1), plug (2), Electromagnetic Control module (3), piston (4), piston rod (5), spring-support plate (6), compression spring (7), main valve seat (8), pressing plate (9), upper sealing panel (10), spool (11), valve bonnet (12), hold-down nut (13) and lower seal plate (14)
Pilot valve body (1) is fixed on main valve seat (8) top by screw thread, the installation cavity that Motionless electromagnetic control module (3) are arranged on the top of pilot valve body (1), installation cavity is fixed with Electromagnetic Control module (3), the installation cavity of Motionless electromagnetic control module (3) is communicated with three oil circuits: an oil circuit is the supply oil circuit that is communicated with the guiding hydraulic fluid port (15) on the main valve body (8), article one, oil circuit is communicated with the plunger shaft top in the pilot valve body (1), article three, oil circuit is communicated with outside pilot valve body (1), the break-make of these three oil circuits is by Electromagnetic Control module (3) control that is fixed on three oil circuit intersections, on the outer wall of pilot valve body (1) bottom a circumferential groove (19) is arranged, a horizontal aperture is arranged in the circumferential groove (19), laterally aperture is communicated with the supply oil circuit in the pilot valve body (1), sealing ring is arranged both sides respectively up and down at circumferential groove (19), sealing ring is between pilot valve body (1) and main valve seat (8), and circumferential groove (19) is relative with guiding hydraulic fluid port (15) on the main valve seat (8);
Pilot valve body (1) has the cylindrical piston chamber, the helical spring chamber is arranged at the plunger shaft bottom, piston (4) is arranged in the plunger shaft, piston (4) has sealing ring on the face of cylinder, can prevent that the hydraulic oil in the plunger shaft from entering spring cavity, piston (4) lower end screw thread is connected with piston rod (5), piston rod (5) other end is fixed with cylindric spool (11), between piston (4) and spool (11), be set with spring-support plate (6) from top to bottom successively, compression spring (7), pressing plate (9) and upper sealing panel (10), between upper sealing panel (10) and the piston rod (5) sealing ring is housed, between upper sealing panel (10) and the main valve seat (8) sealing ring is arranged;
Main valve seat (8) is cylindrical, guiding hydraulic fluid port (15) is arranged on the main valve seat (8), supply with hydraulic fluid port (16), drain hydraulic fluid port (17) and function hydraulic fluid port (18), in main valve seat (8), be fixed with a valve bonnet (12), spool (11) is positioned at valve bonnet (12) chamber, and the lower seal plate (14) of annular is arranged at main valve seat (8) intracavity bottom and in the bottom of valve bonnet (12);
Described valve bonnet (12) be evenly distributed with two all circular holes up and down, the outer wall of valve bonnet (12) has protruding step respectively in the middle of on the inwall, sealing ring is all arranged on each step, contact with spool (11) with main valve seat (8) internal chamber wall respectively, and valve bonnet (12) two all circular holes are up and down kept apart, the circle hole of going up of valve bonnet (12) is communicated with main valve seat (8) supply hydraulic fluid port (16); The Xia Quan hole of valve bonnet (12) is drained hydraulic fluid port (17) with main valve seat (8) and is communicated with, and valve bonnet (12) inner chamber is communicated with the function hydraulic fluid port (18) of main valve seat (8) by the centre bore of lower seal plate (14);
After pilot valve body (1) screwed with main valve seat (8) screw thread, pilot valve body (1) clamping platen (9), pressing plate (9) promoted the tight and sealing of chamber base pressure of upper sealing panel (10), valve bonnet (12) and lower seal plate (14) and main valve seat 8.
2, underwater hydraulic reversing valve according to claim 1 is characterized in that: a ring-shaped step is arranged on the outer wall of piston rod (5).
3, underwater hydraulic reversing valve according to claim 1 is characterized in that: described piston rod (5) other end fixed cylinder shape spool (11), and fixed form is fixing by hold-down nut (13), and promptly the external screw thread of piston rod (5) end is a trapezoidal thread.
4, according to claim 1 or 2 or 3 described underwater hydraulic reversing valves, it is characterized in that: between valve bonnet (12), sealing ring is arranged at spool (11).
5, according to claim 1 or 2 or 3 described underwater hydraulic reversing valves, it is characterized in that: between main valve seat (8) internal chamber wall, sealing ring is arranged at valve bonnet (12).
6, according to claim 1 or 2 or 3 described underwater hydraulic reversing valves, it is characterized in that: between described lower seal plate (14) and main valve seat (8) internal chamber wall sealing ring is arranged.
7, according to claim 1 or 2 or 3 described underwater hydraulic reversing valves, it is characterized in that: upper sealing panel (10) adopts polytetrafluoroethylmaterial material, and spool (11) adopts high nickel stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201095691U CN201250646Y (en) | 2008-07-31 | 2008-07-31 | Underwater hydraulic pressure directional control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201095691U CN201250646Y (en) | 2008-07-31 | 2008-07-31 | Underwater hydraulic pressure directional control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250646Y true CN201250646Y (en) | 2009-06-03 |
Family
ID=40746320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201095691U Expired - Lifetime CN201250646Y (en) | 2008-07-31 | 2008-07-31 | Underwater hydraulic pressure directional control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250646Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324180B (en) * | 2008-07-31 | 2011-12-28 | 河北华北石油荣盛机械制造有限公司 | Underwater hydraulic reversing valve |
| US9528340B2 (en) | 2014-12-17 | 2016-12-27 | Hydrill USA Distribution LLC | Solenoid valve housings for blowout preventer |
| US9759018B2 (en) | 2014-12-12 | 2017-09-12 | Hydril USA Distribution LLC | System and method of alignment for hydraulic coupling |
| CN107250482A (en) * | 2014-12-17 | 2017-10-13 | 海德里尔美国配送有限责任公司 | Fluid pressure valve device for subsea blow out preventer |
| US9803448B2 (en) | 2014-09-30 | 2017-10-31 | Hydril Usa Distribution, Llc | SIL rated system for blowout preventer control |
| US9828824B2 (en) | 2015-05-01 | 2017-11-28 | Hydril Usa Distribution, Llc | Hydraulic re-configurable and subsea repairable control system for deepwater blow-out preventers |
| US9989975B2 (en) | 2014-11-11 | 2018-06-05 | Hydril Usa Distribution, Llc | Flow isolation for blowout preventer hydraulic control systems |
| US10048673B2 (en) | 2014-10-17 | 2018-08-14 | Hydril Usa Distribution, Llc | High pressure blowout preventer system |
| US10196871B2 (en) | 2014-09-30 | 2019-02-05 | Hydril USA Distribution LLC | Sil rated system for blowout preventer control |
| US10202839B2 (en) | 2014-12-17 | 2019-02-12 | Hydril USA Distribution LLC | Power and communications hub for interface between control pod, auxiliary subsea systems, and surface controls |
| US10876369B2 (en) | 2014-09-30 | 2020-12-29 | Hydril USA Distribution LLC | High pressure blowout preventer system |
-
2008
- 2008-07-31 CN CNU2008201095691U patent/CN201250646Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324180B (en) * | 2008-07-31 | 2011-12-28 | 河北华北石油荣盛机械制造有限公司 | Underwater hydraulic reversing valve |
| US9803448B2 (en) | 2014-09-30 | 2017-10-31 | Hydril Usa Distribution, Llc | SIL rated system for blowout preventer control |
| US10196871B2 (en) | 2014-09-30 | 2019-02-05 | Hydril USA Distribution LLC | Sil rated system for blowout preventer control |
| US10876369B2 (en) | 2014-09-30 | 2020-12-29 | Hydril USA Distribution LLC | High pressure blowout preventer system |
| US10048673B2 (en) | 2014-10-17 | 2018-08-14 | Hydril Usa Distribution, Llc | High pressure blowout preventer system |
| US9989975B2 (en) | 2014-11-11 | 2018-06-05 | Hydril Usa Distribution, Llc | Flow isolation for blowout preventer hydraulic control systems |
| US9759018B2 (en) | 2014-12-12 | 2017-09-12 | Hydril USA Distribution LLC | System and method of alignment for hydraulic coupling |
| US9528340B2 (en) | 2014-12-17 | 2016-12-27 | Hydrill USA Distribution LLC | Solenoid valve housings for blowout preventer |
| CN107250482A (en) * | 2014-12-17 | 2017-10-13 | 海德里尔美国配送有限责任公司 | Fluid pressure valve device for subsea blow out preventer |
| US10202839B2 (en) | 2014-12-17 | 2019-02-12 | Hydril USA Distribution LLC | Power and communications hub for interface between control pod, auxiliary subsea systems, and surface controls |
| US9828824B2 (en) | 2015-05-01 | 2017-11-28 | Hydril Usa Distribution, Llc | Hydraulic re-configurable and subsea repairable control system for deepwater blow-out preventers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090603 Effective date of abandoning: 20080731 |