CN108443566A - A kind of underwater valve actuator - Google Patents
A kind of underwater valve actuator Download PDFInfo
- Publication number
- CN108443566A CN108443566A CN201810400763.3A CN201810400763A CN108443566A CN 108443566 A CN108443566 A CN 108443566A CN 201810400763 A CN201810400763 A CN 201810400763A CN 108443566 A CN108443566 A CN 108443566A
- Authority
- CN
- China
- Prior art keywords
- gear
- valve actuator
- shell
- underwater valve
- underwater
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 230000001012 protector Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008901 benefit Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims 1
- 239000013535 sea water Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012857 repacking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention belongs to executing agency fields, more particularly to a kind of underwater valve actuator, the underwater valve actuator includes inner gear assembly and planetary driving device, the inner gear assembly includes gear shaft and upper internal gear, the planetary driving device includes sun gear, planetary gear, lower internal gear and planet carrier, the gear shaft is engaged with upper internal gear, the upper internal gear delivers torque to the sun gear by shaft coupling, the sun gear is engaged with the planetary gear, the planetary gear is engaged with the lower internal gear, the planetary gear drives planet carrier that output torque is passed to valve.The present invention provides a kind of transmission efficiency, rated output torque the big underwater valve actuator of underwater valve actuator.
Description
Technical field
The invention belongs to executing agency field, more particularly to a kind of underwater valve actuator.
Background technology
Sea cock and valve (Subsea valve) refers to the valvular general designation of institute being applied on submarine pipeline.Sea cock and valve at present
Door under water the main pooled applications of pipeline on the subsea manifold and conveyance conduit of marine oil and gas engineering.While underwater valve is also
There is certain application on benthoscope.Sub-sea valve is based on ball valve, flat gate valve, check-valves at present, mode of operation master
It to use and surge, ROV operations, manual operation (shallow water).Operation and control of surging is complicated, and potential leak point is more, investment cost
It is high.ROV operations are divided into top dress and side fills two kinds, and the affected valve opening of torque tool and closing are carried by ROV.Advantage is valve
Expense simple in structure is low, can save the expense of projects construction period.
Existing existing seabed valve actuating mechanism is mostly common executing agency's repacking, and as common single twin-stage worm gear passes
Efficiency of movement is low, and installation site is big.The underwater executing agency requires load capacity up to 50,000 Nm, and working environment, which is 500 meters of seabed, to be made
With life requirements 25 years.It is limited by underwater operation tool, underwater executing agency's input torque must meet ISO13628-8CLASS.4
Input torque is the requirement of 2711Nm.This requires executing agency need have, suitable transmission ratio, high transmission efficiency and
Be suitble to underwater operation structure and.The product not being suitble in the domestic market is available, the underwater executing agency of exploitation.It is existing
Seabed valve actuating mechanism be mostly the repacking of common executing agency, as common single twin-stage Worm Wheel System, transmission efficiency
Low, installation site is big, and serious wear service life is short in Worm Wheel System operation.
It is currently, there are following research and development difficult point：First：It is required that 25 years service life；Second：Working environment is underwater 500 meters therefore produces
Product are subjected to 5Mpa external pressures；Third：It is limited by underwater operation tool, underwater executing agency's input torque must meet ISO13628-
8CLASS.4 input torques are the requirement of 2711Nm；4th：The big requirement of output torque reaches 50,000 Nm.
Therefore, these problems are based on, provide a kind of transmission efficiency, rated output torque big underwater valve actuator
Underwater valve actuator has important practical significance.
Invention content
The present invention provides a kind of transmission efficiency, rated output torque to solve technical problem present in known technology
The big underwater valve actuator of underwater valve actuator.
The present invention is adopted the technical scheme that solve technical problem present in known technology：
A kind of underwater valve actuator, the underwater valve actuator includes inner gear assembly and Gear Planet Transmission
Device, the inner gear assembly include gear shaft and upper internal gear, and the planetary driving device includes sun gear, planet
Wheel, lower internal gear and planet carrier, the gear shaft are engaged with upper internal gear, and the upper internal gear is transmitted torque by shaft coupling
To the sun gear, the sun gear is engaged with the planetary gear, and the planetary gear is engaged with the lower internal gear, the planet
Wheel drives planet carrier that output torque is passed to valve.
The present invention can also use following technical scheme：
In above-mentioned underwater valve actuator, further, the inner gear assembly and planetary driving device
It is installed in actuator shell, the inside of the actuator shell is filled with lubricating oil.
In above-mentioned underwater valve actuator, further, the actuator shell is built-in with pressure compensation balance dress
It sets.
In above-mentioned underwater valve actuator, further, the pressure compensation balancing device includes snap ring, balance
Cylinder, dummy piston, spring, actuator shell, locknut and head protector, the head protector are installed in actuator shell one by locknut
Side, the compensating cylinder with cavity are installed in the actuator shell other side, and the cavity is communicated with the head protector, the bullet
Spring is arranged in the cavity, and the end of the spring resists the dummy piston, the snap ring to the dummy piston into
Row limit, makes the dummy piston be moved in the cavity.
In above-mentioned underwater valve actuator, further, the dummy piston periphery is provided with two annular grooves, and one
Sealing ring is installed in annular groove described in item, ball is equipped in another annular groove.
In above-mentioned underwater valve actuator, further, the actuator shell is cylinder.
In above-mentioned underwater valve actuator, further, the actuator shell includes upper cover, upper shell and lower casing
Body is fixed between the upper cover, upper shell and lower housing by bolt, and the inner gear assembly is installed in upper casing
In vivo, the planetary driving device is installed in lower housing.
In above-mentioned underwater valve actuator, further, the underwater valve actuator further includes indicator,
The indicator is connected by connecting rod with planet carrier, and when the planet carrier rotates, the connecting rod drives the indicator
Rotation.
In above-mentioned underwater valve actuator, further, the shaft coupling passes through spline and the upper internal gear
It is connected with the sun gear, the planet carrier is connect by spline with the valve.
The invention has the advantages and positive effects that：
1, the present invention has the advantages that transmission efficiency, rated output torque are big, and transmission efficiency is specified defeated up to 80%
Go out torque>5 Wan Niu meter.
2, the whole system of executing agency of the present invention is immersed in gear oil, to improve transmission efficiency, seawater is avoided to invade
Corrosion is generated to part.
3, lubricating oil is full of inside the whole system of executing agency of the present invention, built-in pressure compensation balancing device balance is held
The inside and outside differential pressure of row device shell keeps pressure in shell identical as shell external pressure；It is mostly external pressure relative to current existing product
The built-in pressure compensation balancing device barrier propterty of compensation device, this product is more preferable.
4, spring in pressure compensation balancing device of the present invention generates the positive differential pressure of medium in actuator shell to seawater, to
It prevents seawater from entering executing agency, improves sealing performance.
5, the present invention carries out coating protection, and cylindrical rule moulding is conducive to coating protection, can apply evenly, to
The more preferable erosion for resisting marine growth.
6, the design sealing surface of upper shell and lower housing of the present invention is circle, can be real by simplest O-ring
It is existing reliably to be sealed between upper shell and lower housing.
7, the underwater valve actuator of the present invention has indicator, can meet universal sea cock and valve and use, in application and popularizations side
There is prodigious foreground in face.
Description of the drawings
Technical scheme of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings only design for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of pressure compensation balancing device of the present invention；
Fig. 3 is the scheme of installation of the present invention；
Fig. 4 is the principle of the present invention figure.
In figure：
1, lower housing；2, planet carrier；3, lower internal gear；4, upper shell；5, planetary gear；6, sun gear；7, shaft coupling；8, on
Internal gear；9, gear shaft；10, upper cover；11, indicator；12, ROV interfaces；13, snap ring；14, compensating cylinder；15, dummy piston；
16, spring；17, locknut；18, head protector；19, pouring orifice；20, gas vent；31, the ROV for meeting ISO13628-8CLASS.4 is defeated
Enter；32, first order internal gear transmission；34, second level NGW Gear Planet Transmissions；35, splined shaft exports.
Specific implementation mode
Firstly, it is necessary to which explanation, illustrates the underwater valve actuator of the present invention by by way of example below
Concrete structure, features and advantages etc., however what all descriptions were intended merely to illustrate, and should not be construed as to this
Invention forms any restrictions.In addition, the arbitrary single technical characteristic for being described by or implying in each embodiment mentioned by this paper,
Or shown or implicit arbitrary single technical characteristic in the drawings, it still can be in these technical characteristics (or its equivalent)
Between continue it is arbitrary combination or delete, to obtain may herein directly refer to the present invention other more realities
Apply example.In addition, for the sake of simplifying drawing, same or like technical characteristic may carry out only at one in the same figure
Mark.
It will be understood that, when component ' attach ' to another component when it is said that, it can be directly connected to another component or
There may be intermediate members.On the contrary, when component " being directly connected to " being arrived another component when it is said that, then it represents that middle part is not present
Part.
Fig. 1 gives the structural schematic diagram of the present invention, and gives pressure compensation balancing device of the present invention by Fig. 2
Structural schematic diagram, and scheme of installation of the invention is given by Fig. 3, and give the principle of the present invention by Fig. 4
Figure, below just illustrate the present invention in conjunction with Fig. 1 to Fig. 4.
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
A kind of underwater valve actuator, the underwater valve actuator includes inner gear assembly and Gear Planet Transmission
Device, the inner gear assembly include gear shaft 9 and upper internal gear 8, and the planetary driving device includes sun gear 6, row
Star-wheel 5, lower internal gear 3 and planet carrier 2, the gear shaft 9 are engaged with upper internal gear 8, and the upper internal gear 8 passes through shaft coupling 7
The sun gear 6 is delivered torque to, the sun gear 6 is engaged with the planetary gear 5, the planetary gear 5 and the lower internal tooth
3 engagement of wheel, the planetary gear 5 drive planet carrier 2 that output torque is passed to valve.
The present invention has the advantages that transmission efficiency, rated output torque are big, and transmission efficiency is up to 80%, rated output
Torque>5 Wan Niu meter.
For further, it can also consider in the present invention, the inner gear assembly and planetary driving device quilt
In actuator shell, the inside of the actuator shell is filled with lubricating oil.
The whole system of executing agency of the present invention is immersed in gear oil, to improve transmission efficiency, avoids seawater intrusion pair
Part generates corrosion.Pouring orifice 19 and gas vent 20 are opened simultaneously, is filled by observing liquid level guarantee.
It should be pointed out that the actuator shell is built-in with pressure compensation balancing device.
Lubricating oil is full of inside the whole system of executing agency of the present invention, built-in pressure compensation balancing device balance executes
The inside and outside differential pressure of device shell keeps pressure in shell identical as shell external pressure；It is mostly that external pressure is mended relative to current existing product
Device is repaid, the built-in pressure compensation balancing device barrier propterty of this product is more preferable.
It should be pointed out that the pressure compensation balancing device includes snap ring 13, compensating cylinder 14, dummy piston 15, spring
16, actuator shell, locknut 17 and head protector 18, the head protector 18 are installed in actuator shell side by locknut 17, have
The compensating cylinder 14 of cavity is installed in the actuator shell other side, and the cavity is communicated with the head protector 18, the spring
16 are arranged in the cavity, and the end of the spring 16 resists the dummy piston 15, and the snap ring 13 is to the balance
Piston 15 is limited, and the dummy piston 15 is made to be moved in the cavity.
Spring 16 in pressure compensation balancing device of the present invention generates the positive differential pressure of medium in actuator shell to seawater, to
It prevents seawater from entering executing agency, improves sealing performance.
It should be pointed out that 15 periphery of the dummy piston is provided with two annular grooves, it is equipped in an annular groove
Sealing ring, another annular groove is interior to be equipped with ball.
For further, it can also consider in the present invention, the actuator shell is cylinder.
The present invention carries out coating protection, and cylindrical rule moulding is conducive to coating protection, can apply evenly, to more
The erosion of marine growth is resisted well.
The design sealing surface of upper shell 4 and lower housing 1 of the present invention is circle, can be real by simplest O-ring
It is existing reliably to be sealed between upper shell 4 and lower housing 1.
It should be pointed out that the actuator shell includes upper cover 10, upper shell 4 and lower housing 1, the upper cover 10, upper casing
It is fixed by bolt between body 4 and lower housing 1, the inner gear assembly is installed in upper shell 4, the planet
Transmission device is installed in lower housing 1.
For further, it can also consider in the present invention, the underwater valve actuator further includes indicator 11,
The indicator 11 is connected by connecting rod with planet carrier 2, and when the planet carrier 2 rotates, the connecting rod drives the finger
Show that device 11 rotates.
The underwater valve actuator of the present invention has indicator 11, can meet universal sea cock and valve and use, in application and popularizations side
There is prodigious foreground in face.
For further, it can also consider in the present invention, the shaft coupling 7 passes through spline and the upper internal gear 8
It is connected with the sun gear 6, the planet carrier 2 is connect by spline with the valve.
As an example, in the present embodiment, the present embodiment is operated by ROV.When work, underwater robot connection ROV connects
Mouth 12, input power to gear shaft 9, gear shaft 9 is engaged with upper internal gear 8, and torque is transferred to upper internal gear 8 from gear shaft 9, on
Internal gear 8 delivers torque to shaft coupling 7 by spline, and shaft coupling 7 delivers torque to sun gear 6 by spline connection, too
Rotary motion is transferred to planetary gear 5 by sun wheel 6, and planetary gear 5 rotates on lower internal gear 3, while driving planet carrier 2, by power
It is exported by planet carrier 2, is connected by spline and output torque is passed into valve.The present embodiment is by level-one internal gear transmission and level-one
NGW Gear Planet Transmissions form, and transmission efficiency is up to 80%, and general Worm Wheel System, and efficiency is generally not more than 40%, specified
Output torque>5 Wan Niu meter, as shown in table one and table two.
Table one：The transmission ratio of the present embodiment
Table two：The torque of the present embodiment
As an example, in the present embodiment, it since the present embodiment will be 25 years in undersea continuous work, can not be safeguarded,
Product is most important to seawater corrosion and to the resistivity of marine organisms erosion.The present embodiment is improved as follows：
1) cylindrical regular moulding, is circle using the design sealing surface of upper and lower casing 1, passes through simplest O-ring
It can realize reliable sealing.
2) product carries out coating protection, and cylindrical rule moulding is conducive to coating protection, the more preferable erosion for resisting marine growth.
3) lubricating oil is full of inside pressure compensation balancing device built in, balance executing agency shell inside and outside differential pressure is pressed simultaneously
Force compensating device inner spring 16 generates shell in-vivo medium and prevents seawater from entering executing agency the positive differential pressure of seawater, improves leakproofness
Energy.
In conclusion the present invention can provide the big underwater valve actuators of a kind of transmission efficiency, rated output torque
Underwater valve actuator.
Above example describes the invention in detail, but content is only the preferred embodiment of the present invention, no
It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still fall within the scope of the patent of the present invention.
Claims (9)
1. a kind of underwater valve actuator, it is characterised in that：The underwater valve actuator includes inner gear assembly
And planetary driving device, the inner gear assembly include gear shaft and upper internal gear, the planetary driving device includes too
Positive wheel, planetary gear, lower internal gear and planet carrier, the gear shaft are engaged with upper internal gear, and the upper internal gear passes through shaft coupling
The sun gear is delivered torque to, the sun gear is engaged with the planetary gear, and the planetary gear is nibbled with the lower internal gear
It closes, the planetary gear drives planet carrier that output torque is passed to valve.
2. underwater valve actuator according to claim 1, it is characterised in that：The inner gear assembly and planet
Transmission device is installed in actuator shell, and the inside of the actuator shell is filled with lubricating oil.
3. underwater valve actuator according to claim 2, it is characterised in that：The actuator shell is built-in with pressure benefit
Repay balancing device.
4. underwater valve actuator according to claim 3, it is characterised in that：The pressure compensation balancing device includes
Snap ring, compensating cylinder, dummy piston, spring, actuator shell, locknut and head protector, the head protector is installed in by locknut to be held
Row device shell side, the compensating cylinder with cavity are installed in the actuator shell other side, the cavity and the head protector phase
Logical, the spring is arranged in the cavity, and the end of the spring resists the dummy piston, and the snap ring is to described flat
Weighing apparatus piston is limited, and the dummy piston is made to be moved in the cavity.
5. underwater valve actuator according to claim 4, it is characterised in that：The dummy piston periphery is provided with two
Annular groove is equipped with sealing ring in one annular groove, ball is equipped in another annular groove.
6. underwater valve actuator according to claim 1, it is characterised in that：The actuator shell is cylinder.
7. underwater valve actuator according to claim 6, it is characterised in that：The actuator shell include upper cover, on
Shell and lower housing are fixed between the upper cover, upper shell and lower housing by bolt, the inner gear assembly quilt
In upper shell, the planetary driving device is installed in lower housing.
8. underwater valve actuator according to claim 1, it is characterised in that：The underwater valve actuator also wraps
Indicator is included, the indicator is connected by connecting rod with planet carrier, and when the planet carrier rotates, the connecting rod drives institute
State indicator rotation.
9. underwater valve actuator according to claim 1, it is characterised in that：The shaft coupling by spline with it is described
Upper internal gear is connected with the sun gear, and the planet carrier is connect by spline with the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400763.3A CN108443566A (en) | 2018-04-28 | 2018-04-28 | A kind of underwater valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400763.3A CN108443566A (en) | 2018-04-28 | 2018-04-28 | A kind of underwater valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443566A true CN108443566A (en) | 2018-08-24 |
Family
ID=63202442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400763.3A Pending CN108443566A (en) | 2018-04-28 | 2018-04-28 | A kind of underwater valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443566A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553084A (en) * | 2019-09-12 | 2019-12-10 | 纽威石油设备（苏州）有限公司 | Hydraulic driver for underwater valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2757244A3 (en) * | 1996-12-16 | 1998-06-19 | Macrifin Spa | Pressure control valve |
| US20100096573A1 (en) * | 2007-01-19 | 2010-04-22 | Tae-Sik Min | Flow control valve |
| CN201779318U (en) * | 2010-08-07 | 2011-03-30 | 大庆石油管理局 | Hydraulic balancing seal valve |
| CN201982771U (en) * | 2010-12-30 | 2011-09-21 | 刘卫强 | Electric actuating control mechanism of valve |
| CN103486096A (en) * | 2013-09-27 | 2014-01-01 | 浙江大学舟山海洋研究中心 | Piston-type deep sea pressure compensator capable of avoiding sea water pollution |
| CN203453599U (en) * | 2013-08-19 | 2014-02-26 | 上海孚因流体动力设备有限公司 | Straight-stroke electric actuator |
| CN104100755A (en) * | 2014-07-18 | 2014-10-15 | 中国海洋石油总公司 | Underwater valve actuating mechanism |
| CN106996476A (en) * | 2015-10-23 | 2017-08-01 | 阿自倍尔株式会社 | Operator |
| CN208169663U (en) * | 2018-04-28 | 2018-11-30 | 天津祥嘉流体控制系统有限公司 | A kind of underwater valve actuator |
-
2018
- 2018-04-28 CN CN201810400763.3A patent/CN108443566A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2757244A3 (en) * | 1996-12-16 | 1998-06-19 | Macrifin Spa | Pressure control valve |
| US20100096573A1 (en) * | 2007-01-19 | 2010-04-22 | Tae-Sik Min | Flow control valve |
| CN201779318U (en) * | 2010-08-07 | 2011-03-30 | 大庆石油管理局 | Hydraulic balancing seal valve |
| CN201982771U (en) * | 2010-12-30 | 2011-09-21 | 刘卫强 | Electric actuating control mechanism of valve |
| CN203453599U (en) * | 2013-08-19 | 2014-02-26 | 上海孚因流体动力设备有限公司 | Straight-stroke electric actuator |
| CN103486096A (en) * | 2013-09-27 | 2014-01-01 | 浙江大学舟山海洋研究中心 | Piston-type deep sea pressure compensator capable of avoiding sea water pollution |
| CN104100755A (en) * | 2014-07-18 | 2014-10-15 | 中国海洋石油总公司 | Underwater valve actuating mechanism |
| CN106996476A (en) * | 2015-10-23 | 2017-08-01 | 阿自倍尔株式会社 | Operator |
| CN208169663U (en) * | 2018-04-28 | 2018-11-30 | 天津祥嘉流体控制系统有限公司 | A kind of underwater valve actuator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553084A (en) * | 2019-09-12 | 2019-12-10 | 纽威石油设备（苏州）有限公司 | Hydraulic driver for underwater valve |
| CN110553084B (en) * | 2019-09-12 | 2024-03-29 | 纽威石油设备（苏州）有限公司 | Hydraulic driver for underwater valve |
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