CN109538813A - A kind of redundant drive underwater gate valve executing agency - Google Patents
A kind of redundant drive underwater gate valve executing agency Download PDFInfo
- Publication number
- CN109538813A CN109538813A CN201811513367.8A CN201811513367A CN109538813A CN 109538813 A CN109538813 A CN 109538813A CN 201811513367 A CN201811513367 A CN 201811513367A CN 109538813 A CN109538813 A CN 109538813A
- Authority
- CN
- China
- Prior art keywords
- piston
- piston rod
- cylinder
- gate valve
- bar
- 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.)
- Granted
Links
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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
-
- 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
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
- F16K37/0008—Mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The present invention provides a kind of redundant drive underwater gate valve executing agencies.It include: fluid pressure drive device, piston is arranged such that piston drives piston rod to move down when actively moving down with piston rod, and piston rod is separated when actively moving down with piston；ROV driving device has thread spindle, transmission nut and sleeve；Transmission nut and sleeve part can be set in canister portion up or down；Sleeve is in the downside of transmission nut, and the lower end of sleeve be for piston rod upper-end contact against contact plate；Thread spindle is rotatably mounted to upper cover part, and cooperates with transmission nut；Pressure compensator is installed on mechanism shell by bracket, and pressure compensator is connect by compensating oil pipe with pressure compensation connector, to be connected to mechanism shell inside.Hydraulic-driven can be achieved and ROV operates the separation independence of two kinds of structures, can guarantee mechanism shell external and internal pressure dynamic equilibrium under the effect of Deep-sea high voltage power.
Description
Technical field
The present invention relates to deepwater field development fields, more particularly to a kind of redundant drive underwater gate valve executing agency.
Background technique
Underwater gate valve is the critical component of marine oil gas field production tree and subsea manifold, has weight in oil extraction system under water
It acts on.Underwater gate valve executing agency is that one kind can drive underwater gate valve to standard-sized sheet or closed positions, or be controlled according to instruction
The driving device of underwater gate valve aperture processed.Existing existing underwater gate valve executing agency mostly uses hydraulic-driven, electronic, ROV operation
Or combined type operation.But the two kinds of drivings of existing composite underwater gate valve executing agency needs are worked in coordination or another driving is in
Designated state could complete the movement of open and close gate valve, and completely self-contained redundant drive is not implemented.Application No. is
The hydraulic underwater gate valve of a kind of high reliability that the patent document of CN201611021928.3 proposes, but the device hydraulic-driven and spiral shell
Line transmission is not completely independent, and piston can link in hydraulic cylinder when using screw-driven open and close gate valve, needs to keep hydraulic
Cylinder hydraulic fluid port is unimpeded to guarantee that hydraulic cylinder suction, oil return can not open and close gate valves without building the pressure.Moreover, existing underwater gate valve executes machine
There are the following problems for structure: underwater gate valve executing agency works in seabed production system, and breaking down, it is very difficult to repair, and
And need oil extraction system to stop production and cooperate maintenance, it seriously affects subsea fields and normally produces, this can to underwater gate valve executing agency
Requirements at the higher level are proposed by property；As the depth of water increases, external pressure constantly increases, and needs underwater gate valve executing agency to bear higher outer
Pressure；The unlatching of high pressure underwater gate valve needs gate valve executing agency to have bigger power output.
Summary of the invention
One object of the present invention is intended to overcome at least one defect of existing underwater gate valve opening and closing, provides a kind of redundancy drive
Dynamic underwater gate valve executing agency can realize that hydraulic-driven and ROV operate the separation independence of two kinds of structures, can completely individually
Open and close gate valve has higher reliability.
Another object of the present invention is can to guarantee that mechanism shell external and internal pressure dynamic is flat under the effect of Deep-sea high voltage power
Weighing apparatus, avoids mechanism shell pressure-bearing.
A further object of the present invention is to want to guarantee position instruction bar and the corresponding mounting hole concentricity automatically, reduces position
It sets indicating arm and blocks risk, improve position instruction bar reliability.
It builds the pressure, further improves inside hydraulic cylinder when another object of the present invention is open and close gate valve to be avoided operation
Underwater gate valve executing agency reliability.
In order to realize at least one above-mentioned purpose, the invention proposes a kind of redundant drive underwater gate valve executing agency, packets
The valve rod for including valve body end cap and being arranged in the valve body end cap and being tightly connected with the valve body end cap up and down,
In, redundant drive underwater gate valve executing agency further include:
Fluid pressure drive device is connected to the valve body end cap, and has piston rod, at least one cylinder body and at least one work
Plug；The lower end of the piston rod is fixedly connected with the upper end of the valve rod, and each piston is set on the piston rod, and
The piston and the piston rod are arranged such that the piston drives the piston rod to moving down when actively moving down
Dynamic, the piston rod is separated when actively moving down with the piston；And connection end face thereon is provided on the piston rod
Drainback passage, and the oil return hole that the connection drainback passage is connected to each cylinder body；It is connected to each cylinder body
The oil return hole be in the downside of the piston in the corresponding cylinder body；
Mechanism shell is connected to the valve body end cap or the fluid pressure drive device, is equipped with pressure on the mechanism shell
Force compensating connector；
Reset assembly is set in the mechanism shell, and including compressed spring and hooks cylinder；The upper end of the piston rod connects
It is connected to the hook cylinder, to move synchronously with the hook cylinder；The compressed spring is configured to the compression when the hook cylinder moves downward
Accumulation of energy, to promote the hook cylinder to move upwards；
Upper end cover is set to the upper end of the mechanism shell, and has upper cover part and extend downwardly out from the upper cover part
And it is inserted into the canister portion for hooking cylinder；
Stem position indicates component, with position instruction bar, reset spring and ball contact seat；The ball contact seat
With it is described hook cylinder upper-end contact against；The position instruction bar can be installed on the upper cover part, and institute's rheme up or down
The upper end cover is stretched out in the upper end for setting indicating arm, and lower end is installed on the ball contact seat；The reset spring is set in described
Position instruction bar is configured to that the position instruction bar is promoted to move down；With
ROV driving device, with thread spindle, transmission nut and sleeve；The transmission nut and the sleeve part can on
Under be movably set in cartridge；The sleeve is in the downside of the transmission nut, and the lower end of the sleeve is to use
In the piston rod upper-end contact against contact plate；The center of the contact plate is offered coaxially to be set with the drainback passage
The oil return through-hole set；The thread spindle is rotatably mounted to the upper cover part, and cooperates with the transmission nut, in rotation
The transmission nut is driven to rise or fall；And
Pressure compensator is installed on the mechanism shell by bracket, and the pressure compensator passes through compensation oil pipe
It is connect with the pressure compensation connector, to be connected to the mechanism shell inside.
Optionally, at least one described cylinder body includes the first cylinder body；First cylinder body includes the first cylindrical portion, closes institute
The first cover of the first cylindrical portion upper end is stated, and is extended outwardly from the lower end of first cylindrical portion to close the mechanism shell
The annular cover of body lower end；
At least one described piston includes first piston, and the first piston is set in first cylindrical portion.
Optionally, at least one described cylinder body further includes the second cylinder body, and second cylinder body includes the second cylindrical portion, and
Close the second cover of second cylindrical portion upper end；The outside wall surface of second cylindrical portion and the outside wall surface of the mechanism shell
Concordantly；And
At least one described piston further includes second piston, and the second piston is set in second cylindrical portion；
The valve body end cap is set to the lower end of second cylindrical portion.
Optionally, the piston rod includes the first sub bar and the second sub bar, and first sub bar is set to second son
The upside of bar；The first piston is set in first sub bar；The second piston is set in second sub bar；Described
One sub bar is fixedly connected with second sub bar.
Optionally, first sub bar and second sub bar include bar portion and the link block positioned at bar portion lower end；Institute
The diameter for stating link block is greater than the diameter of the bar portion, to contact against with the corresponding first piston or the second piston；
The link block has downward opening connecting hole；
The corresponding connecting hole is inserted into the upper end of second sub bar or the valve rod.
Optionally, retaining mechanism is provided between each piston and the piston rod, the retaining mechanism has solid
Surely the fixed ring of the piston rod, and the multiple lock sheets extended downwardly out from the fixed ring are set in；Multiple locks
Tight piece is uniformly distributed along the circumferential direction of the fixed ring, and lock sheet interval described in each adjacent two is arranged；
It is provided with annular groove in the central hole of each piston, is provided with sealing ring in the annular groove.
Optionally, it is disposed with relief hole and rotation hole from the top down in the upper cover part；
Bearing is installed, the thread spindle is installed on the bearing in the rotation hole；
The bottom of the relief hole is provided with the bearing gland for covering the rotation hole；
The upper surface of the upper cover part is provided with the ROV access flap for covering the relief hole.
Optionally, through-hole is provided on the bottom plate for hooking cylinder；
The upper end of the piston rod is provided with baffle ring and baffle；The baffle ring is set to the baffle and the bottom for hooking cylinder
Between plate.
Redundant drive underwater gate valve executing agency of the invention, due to separately positioned between piston and piston rod, it can be achieved that
The separation that hydraulic-driven and ROV operate two kinds of structures is independent, can completely independent open and close gate valve, there is higher reliability.
Further, due to that can guarantee external pressure in mechanism shell under the effect of Deep-sea high voltage power with pressure compensator
Force homeostasis avoids mechanism shell pressure-bearing.
Further, it since stem position indicates ball contact seat and the hook non-rigid connection of cylinder in component, can protect automatically
Position instruction bar and the corresponding mounting hole concentricity are demonstrate,proved, position instruction bar is reduced and blocks risk, it is reliable to improve position instruction bar
Property.
Further, due to having drainback passage and oil return hole on piston rod, there is oil return through-hole on sleeve, can avoid
It builds the pressure inside hydraulic cylinder when open and close gate valve operates, further improves the reliability of the redundant drive underwater gate valve executing agency.
Further, due to that can have at least two cylinder bodies and two pistons, that is, mutually independent double hydraulic cylinder, tool are used
There is higher reliability, there is bigger opening force to high pressure underwater gate valve.And it is damaged in a cylinder driving system
When, another cylinder driving system can work on.
Further, due to having retaining mechanism between each piston and piston rod, the special construction of retaining mechanism can
It prevents hydraulic oil from flowing to the downside of piston as much as possible, guarantees sealing performance.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic elevational view of redundant drive underwater gate valve according to an embodiment of the invention executing agency；
Fig. 2 is the schematic plan of the executing agency of redundant drive underwater gate valve shown in Fig. 1；
Fig. 3 be in Fig. 2 A-A to schematic cross sectional views；
Fig. 4 is the schematic cross sectional views of B-B direction in Fig. 3.
Specific embodiment
Fig. 1 is the schematic elevational view of redundant drive underwater gate valve according to an embodiment of the invention executing agency.Such as
Shown in Fig. 1, and referring to figs. 2 to Fig. 4, the embodiment of the invention provides a kind of redundant drive underwater gate valve executing agencies.The redundancy
Driving underwater gate valve executing agency includes valve body end cap 20, can be arranged in up and down in valve body end cap 20 and and valve body end cap
20 valve rod 21, fluid pressure drive device 30, mechanism shell 40, reset assembly 50, the upper end covers 60, stem position instruction being tightly connected
Component 70, ROV driving device 80 and pressure compensator 90.
Fluid pressure drive device 30 is connected to valve body end cap 20, and has piston rod, at least one cylinder body and at least one work
Plug.Each piston is located in a cylinder body.The lower end of piston rod is fixedly connected with the upper end of valve rod 21, and each piston is set to work
On stopper rod.Piston is arranged such that piston drives piston rod to move down when actively moving down with piston rod, piston rod
It is separated when actively moving down with piston.It is provided with the drainback passage 31 for being connected to end face thereon on piston rod, and is connected to back
The oil return hole that oily channel 31 is connected to each cylinder body；The oil return hole being connected to each cylinder body is in respective cylinder body under piston
Side.
Mechanism shell 40 may connect to valve body end cap 20 or fluid pressure drive device 30, and pressure benefit is equipped on mechanism shell 40
Repay connector 91.Reset assembly 50 is set in mechanism shell 40, and including compressed spring 51 and hooks cylinder 52.The upper end of piston rod connects
It is connected to and hooks cylinder 52, to be moved synchronously with hook cylinder 52.Compressed spring 51 is configured to the compress energy storage when hooking cylinder 52 and moving downward, to promote
Move upwards hook cylinder 52.Upper end cover 60 is set to the upper end of mechanism shell 40, and have upper cover part 61 and from upper cover part 61 to
Under extend and be inserted into hook cylinder 52 canister portion 62.Piston rod and hook cylinder 52 can carry out precommpression to compressed spring 51.
Stem position indicates that component 70 has position instruction bar 71, reset spring 72 and ball contact seat 73.Ball contact
Seat 73 with hook cylinder 52 upper-end contact against.Position instruction bar 71 can be installed on upper cover part 61, and position instruction up or down
Upper end cover 60 is stretched out in the upper end of bar 71, and lower end is installed on ball contact seat 73.Reset spring 72 is set in position instruction bar 71, matches
It is set to and position instruction bar 71 is promoted to move down.By to hook cylinder 52 sphere-contact may be implemented position instruction bar 71 with it is corresponding
The adjust automatically concentricity of mounting hole improves 71 reliability of position instruction bar.
ROV driving device 80 has thread spindle 81, transmission nut 82 and sleeve 83.Transmission nut 82 and sleeve part 62 can on
Under be movably set in canister portion 62.Sleeve 83 is in the downside of transmission nut 82, and the lower end of sleeve 83 is for piston rod
Upper-end contact against contact plate.The center of contact plate offers the oil return through-hole being coaxially disposed with drainback passage 31.Screw thread
Axis 81 is rotatably mounted to upper cover part 61, and cooperates with transmission nut 82, with drive transmission nut 82 to rise in rotation or under
Drop.Piston is arranged such that piston drives piston rod to move down when actively moving down with piston rod, and piston rod is in master
It moves and is separated when moving down with piston, do not need hydraulic cylinder when ensure that ROV operation and suck back oil, realize the complete of ROV operation
It is independent.
There is drainback passage 31 in piston rod, it is ensured that the hydraulic oil of cylinder lower is discharged to executing agency when hydraulic-driven
In shell 40, prevents hydraulic cylinder from building the pressure and fail to open gate valve.Because of piston rod and 21 diameter difference of valve rod when ROV is operated, lead to liquid
Suction, oil return are realized in oil return through-hole cooperation together on cylinder pressure volume change, drainback passage 31 and sleeve 83, prevent from building the pressure, it is ensured that more
Reliable unlatching, closing gate valve.
Pressure compensator 90 is installed on mechanism shell 40 by bracket 92.And pressure compensator 90 by compensation oil pipe 93 with
Pressure compensation connector 91 connect, with be connected to inside mechanism shell 40.Liquid is full of inside mechanism shell 40 and pressure compensator 90
Pressure oil, 90 side of pressure compensator are connected to executing agency shell 40, and the other side is connected to seawater, inside implementation mechanism shell 40
With external seawater pressure dynamic equilibrium.It can guarantee that mechanism shell 40 external and internal pressure dynamic is flat under the effect of Deep-sea high voltage power
Weighing apparatus, avoids 40 pressure-bearing of mechanism shell.
In some embodiments of the invention, at least one cylinder body includes the first cylinder body 32.First cylinder body 32 includes first
Cylindrical portion, closes the first cover of the first cylindrical portion upper end, and extends outwardly from the lower end of the first cylindrical portion with closing means
The annular cover of 40 lower end of shell.At least one piston includes first piston 33, and first piston 33 is set in the first cylindrical portion.
In some embodiments of the invention, multi-hydraulic-cylinder drive mode can be used, can be with a hydraulic cylinder works, remaining
Hydraulic cylinder it is spare or multi-hydraulic-cylinder drives simultaneously.For example, at least one cylinder body further includes the second cylinder body 34, the second cylinder body
34 include the second cylindrical portion, and the second cover of the second cylindrical portion upper end of closing.The outside wall surface and mechanism shell of second cylindrical portion
The outside wall surface of body 40 is concordant.And at least one piston further includes second piston 35, second piston 35 is set in the second cylindrical portion.
Valve body end cap 20 is set to the lower end of the second cylindrical portion.
Further, piston rod can be integrally formed, and may also comprise the first sub bar 36 and the second sub bar 37, and the first sub bar 36 is set
It is placed in the upside of the second sub bar 37.First piston 33 is set in the first sub bar 36.Second piston 35 is set in the second sub bar 37.The
One sub bar 36 is fixedly connected with the second sub bar 37.First sub bar 36 and the second sub bar 37 are including bar portion and positioned at bar portion lower end
Link block.The diameter of link block is greater than the diameter of bar portion, to contact against with corresponding first piston 33 or second piston 35.Connection
Block has downward opening connecting hole.Corresponding connecting hole is inserted into the upper end of second sub bar 37 or valve rod 21.
Further, it may be provided with spring base 53 on the upside of annular cover.Spring base 53 is mounted on three valve spring base baffles
On 54, spring base baffle 54 is placed in 40 internal groove of mechanism shell, makes mechanism shell 40, the first cylinder body 32, the second cylinder body
34, valve body end cap 20 is fastenedly connected.Valve body end cap 20, the first cylinder body 32, the second cylinder body 34, spring base 53 successively use stud 22
It is connected with nut 23, and being equipped with waterproof nut 24 prevents seawater from penetrating into.
Second piston 35 is installed in the second cylinder body 34 and is applied on the second sub bar 37, and the second sub bar 37 is adopted with valve rod 21
It is threadedly coupled, 35 bar of second piston is positioned using the hydraulic cylinder gland 45 and the second cylinder body 34 being arranged in the second cover, valve rod
21 are positioned using the end cap gland 46 and valve body end cap 20 that are installed on 20 inner surface of valve body end cap.First piston 33 is installed on first
It in cylinder body 32 and is applied on the first sub bar 36, the second sub bar 37 with the first sub bar 36 using being threadedly coupled, adopt by the first sub bar 36
It is positioned with the hydraulic cylinder gland 47 in the first cylinder body 32 and the first cover.Connecting hole is threaded hole.It is also set up on first cylinder body 32
There is oil circuit, it may include the first oil inlet 38 and the first oil outlet；Oil circuit is also equipped on second cylinder body 34, it may include the second oil inlet
Mouth 39 and the second oil outlet.
In some embodiments of the invention, retaining mechanism, retaining mechanism tool are provided between each piston and piston rod
There is fixing sleeve to be loaded on the fixed ring of piston rod, and the multiple lock sheets extended downwardly out from fixed ring.Multiple lock sheets are along solid
The circumferential direction for determining ring is uniformly distributed, and each adjacent two lock sheet interval is arranged.Further, it is set in the central hole of each piston
It is equipped with annular groove, is provided with sealing ring in annular groove.
In some embodiments of the invention, it is disposed with relief hole and rotation hole from the top down in upper cover part 61.Turn
Bearing is installed in dynamic hole, thread spindle 81 is installed on bearing.Bearing may include first bearing 63 and second bearing 64.Relief hole
Bottom is provided with the bearing gland 65 of capping rotation hole, such as can be connected by bolt 66.The upper surface of upper cover part 61 is provided with
Cover the ROV access flap 67 of relief hole.ROV access flap 67 is installed on upper cover part 61 by stud 75 and bolt 76, and is equipped with
Waterproof nut 77 prevents seawater from penetrating into.It hooks and is provided with through-hole on the bottom plate of cylinder 52.The upper end of piston rod is provided with baffle ring 57 and gear
Piece 56.Baffle ring 57 is set between baffle 56 and the bottom plate for hooking cylinder 52.
Further, transmission nut 82 can be six-sided nut, be connected between sleeve 83 and transmission nut 82 by bolt 84
It connects.The side of sleeve 83 may be provided with oil outlet.When without using ROV driving, sleeve 83 is in piston rod and does not contact completely
Discrete state.Upper end cover 60 and mechanism shell 40 are connect by stud 45 and nut 46, and are equipped with waterproof nut 47 and are prevented sea
Water penetrates into.Position instruction bar 71 can be connected through a screw thread with ball contact seat 73.Position indicator is provided on the outside of upper end cover 60
78, make the reference of position instruction bar 71.
The redundant drive underwater gate valve executing agency of the embodiment of the present invention at work, can first use the first cylinder body 32 and
One piston 33 pushes piston rod to move downward, and then moves downward realization with ovable valve stem 21 and open gate valve.Piston rod, which drives, hooks cylinder
52 move down, and compress to compressed spring 51.Hook effect of the position instruction bar 71 in reset spring 72 of 52 upper surface of cylinder
Under move downward together, instruction gate valve open.Keep the hydraulic oil pressure in the first cylinder body 32 constant, gate valve is in normally opened shape
State.Alternatively, first piston rod can be pushed to move downward with the second cylinder body 34 and second piston 35.Also alternatively, it uses simultaneously
First cylinder body 32, first piston 33, the second cylinder body 34 and second piston 35 push piston rod to move downward.Need closing gate valve
When, hydraulic fluid pressure is recalled, compressed spring 51 pushes under restoring force effect and hooks cylinder 52, hooks cylinder 52 and drives piston rod, valve rod 21
Realization closing gate valve is moved upwards, the position instruction bar 71 for hooking 52 upper surface of cylinder is transported upwards together in the case where hooking 52 thrust of cylinder
Dynamic, instruction gate valve is closed.When one of hydraulic cylinder breaks down, another hydraulic cylinder can also be implemented separately unlatching, close lock
Valve.
ROV driving device 80 can work when multiple hydraulic cylinders break down, and can also work in other cases.
In particular it is required that underwater dynamic torque tool drives thread spindle 81 to rotate when opening gate valve, thread spindle 81 drives transmission spiral shell by screw thread
Mother 82 and sleeve 83 move downward, and the contact plate of sleeve 83 moves downward, and push piston rod, valve rod 21 to move downwardly together, together
When piston rod through baffle ring pull hook 52 pairs of compressed springs 51 of cylinder compress, hook 52 upper surface of cylinder position instruction bar 71 in position
Indication reset spring 72 moves downward together under acting on, and instruction gate valve is opened.Dynamic torque tool is kept not rotate, gate valve is in normally opened
State.When needing closing gate valve, dynamic torque tool drives thread spindle 81 to reversely rotate, and thread spindle 81 drives transmission nut by screw thread
82 and sleeve 83 move upwards, compressed spring 51 restoring force effect under push hook cylinder 52, hook cylinder 52 drive piston rod, valve rod 21
Realization closing gate valve is moved upwards, the position instruction bar 71 for hooking 52 upper surface of cylinder is transported upwards together in the case where hooking 52 thrust of cylinder
Dynamic, instruction gate valve is closed.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (8)
1. a kind of redundant drive underwater gate valve executing agency, including valve body end cap and it can be arranged in the valve body end up and down
The valve rod being tightly connected in lid and with the valve body end cap, which is characterized in that redundant drive underwater gate valve executing agency is also
Include:
Fluid pressure drive device is connected to the valve body end cap, and has piston rod, at least one cylinder body and at least one piston；
The lower end of the piston rod is fixedly connected with the upper end of the valve rod, and each piston is set on the piston rod, and institute
It states piston and is arranged such that the piston drives the piston rod to move down when actively moving down with the piston rod,
The piston rod is separated when actively moving down with the piston；And time for being connected to end face thereon is provided on the piston rod
Oily channel, and the oil return hole that the connection drainback passage is connected to each cylinder body；The institute being connected to each cylinder body
State the downside that oil return hole is in the piston in the corresponding cylinder body；
Mechanism shell is connected to the valve body end cap or the fluid pressure drive device, and pressure benefit is equipped on the mechanism shell
Repay connector；
Reset assembly is set in the mechanism shell, and including compressed spring and hooks cylinder；The upper end of the piston rod is connected to
The hook cylinder, to be moved synchronously with the hook cylinder；The compressed spring is configured to the compress energy storage when the hook cylinder moves downward,
To promote the hook cylinder to move upwards；
Upper end cover is set to the upper end of the mechanism shell, and has upper cover part and extend downwardly out and insert from the upper cover part
Enter the canister portion for hooking cylinder；
Stem position indicates component, with position instruction bar, reset spring and ball contact seat；The ball contact seat and institute
State hook cylinder upper-end contact against；The position instruction bar can be installed on the upper cover part up or down, and the position refers to
Show that the upper end cover is stretched out in the upper end of bar, lower end is installed on the ball contact seat；The reset spring is set in the position
Indicating arm is configured to that the position instruction bar is promoted to move down；With
ROV driving device, with thread spindle, transmission nut and sleeve；The transmission nut and the sleeve part can on move down
It is set in cartridge dynamicly；The sleeve is in the downside of the transmission nut, and the lower end of the sleeve is for institute
State the upper-end contact of piston rod against contact plate；The center of the contact plate offers and drainback passage coaxial arrangement
Oil return through-hole；Oil outlet is provided on the side wall of the sleeve；The thread spindle is rotatably mounted to the upper cover part, and with institute
Transmission nut cooperation is stated, to drive the transmission nut to rise or fall in rotation；And
Pressure compensator is installed on the mechanism shell by bracket, and the pressure compensator passes through compensation oil pipe and institute
The connection of pressure compensation connector is stated, to be connected to the mechanism shell inside.
2. redundant drive underwater gate valve according to claim 1 executing agency, which is characterized in that
At least one described cylinder body includes the first cylinder body；First cylinder body includes the first cylindrical portion, closes first tubular
First cover of portion upper end, and extend outwardly from the lower end of first cylindrical portion to close the ring of the mechanism shell lower end
Shape cover；
At least one described piston includes first piston, and the first piston is set in first cylindrical portion.
3. redundant drive underwater gate valve according to claim 2 executing agency, which is characterized in that
At least one described cylinder body further includes the second cylinder body, and second cylinder body includes the second cylindrical portion, and closing described the
Second cover of two cylindrical portion upper ends；The outside wall surface of second cylindrical portion is concordant with the outside wall surface of the mechanism shell；And
At least one described piston further includes second piston, and the second piston is set in second cylindrical portion；
The valve body end cap is set to the lower end of second cylindrical portion.
4. redundant drive underwater gate valve according to claim 3 executing agency, which is characterized in that
The piston rod includes the first sub bar and the second sub bar, and first sub bar is set to the upside of second sub bar；Institute
It states first piston and is set in first sub bar；The second piston is set in second sub bar；First sub bar and institute
The second sub bar is stated to be fixedly connected.
5. redundant drive underwater gate valve according to claim 4 executing agency, which is characterized in that
First sub bar and second sub bar include bar portion and the link block positioned at bar portion lower end；The link block it is straight
Diameter is greater than the diameter of the bar portion, to contact against with the corresponding first piston or the second piston；The link block tool
There is downward opening connecting hole；
The corresponding connecting hole is inserted into the upper end of second sub bar or the valve rod.
6. redundant drive underwater gate valve according to claim 1 executing agency, which is characterized in that
Retaining mechanism is provided between each piston and the piston rod, the retaining mechanism has fixing sleeve loaded on described
The fixed ring of piston rod, and the multiple lock sheets extended downwardly out from the fixed ring；Multiple lock sheets are along described solid
The circumferential direction for determining ring is uniformly distributed, and lock sheet interval described in each adjacent two is arranged；
It is provided with annular groove in the central hole of each piston, is provided with sealing ring in the annular groove.
7. redundant drive underwater gate valve according to claim 1 executing agency, which is characterized in that
It is disposed with relief hole and rotation hole from the top down in the upper cover part；
Bearing is installed, the thread spindle is installed on the bearing in the rotation hole；
The bottom of the relief hole is provided with the bearing gland for covering the rotation hole；
The upper surface of the upper cover part is provided with the ROV access flap for covering the relief hole.
8. redundant drive underwater gate valve according to claim 1 executing agency, which is characterized in that
Through-hole is provided on the bottom plate for hooking cylinder；
The upper end of the piston rod is provided with baffle ring and baffle；The baffle ring be set to the baffle and it is described hook cylinder bottom plate it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513367.8A CN109538813B (en) | 2018-12-11 | 2018-12-11 | Redundant drive underwater gate valve actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513367.8A CN109538813B (en) | 2018-12-11 | 2018-12-11 | Redundant drive underwater gate valve actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538813A true CN109538813A (en) | 2019-03-29 |
| CN109538813B CN109538813B (en) | 2023-09-12 |
Family
ID=65854652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513367.8A Active CN109538813B (en) | 2018-12-11 | 2018-12-11 | Redundant drive underwater gate valve actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538813B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185834A (en) * | 2019-06-17 | 2019-08-30 | 中国石油大学(华东) | A kind of underwater complete electric production tree valve actuator of pressure balance type |
| EP3617572A4 (en) * | 2018-04-24 | 2020-08-19 | Neway Valve (Suzhou) Co., Ltd | Actuating system for use in driving valve to open and close |
| CN113048251A (en) * | 2021-02-26 | 2021-06-29 | 河北华北石油荣盛机械制造有限公司 | Deepwater duplex gate valve |
| CN114135540A (en) * | 2021-11-30 | 2022-03-04 | 哈尔滨工程大学 | Low-energy-consumption actuator utilizing water pressure acting force |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1221989A (en) * | 1968-08-08 | 1971-02-10 | Alexander Samuel Volpin | Stem construction for rising stem-gate valve |
| US20090038687A1 (en) * | 2005-02-14 | 2009-02-12 | Luxembourg Patent Company S.A. | Thermally Activated Pressure Relief Valve |
| CN201339752Y (en) * | 2009-01-20 | 2009-11-04 | 苏州道森压力控制有限公司 | Novel valve hydraulic actuator |
| CN102410378A (en) * | 2010-09-22 | 2012-04-11 | Smc株式会社 | Gate valve |
| CN104806811A (en) * | 2015-05-04 | 2015-07-29 | 中国海洋石油总公司 | Deep sea valve executing mechanism with bidirectional pressure dynamic balance compensation device |
| CN105697850A (en) * | 2016-04-07 | 2016-06-22 | 中国石油大学(华东) | High-reliability underwater gate valve execution mechanism |
| CN106481830A (en) * | 2016-11-16 | 2017-03-08 | 江苏科技大学 | A kind of high reliability hydraulic pressure underwater gate valve |
| CN108662172A (en) * | 2018-06-06 | 2018-10-16 | 中国船舶重工集团公司第七二五研究所 | The one-way flow used in a kind of deep water is from underwater gate valve of releasing |
| US20190047830A1 (en) * | 2016-02-22 | 2019-02-14 | Safelink As | Mobile active heave compensator |
-
2018
- 2018-12-11 CN CN201811513367.8A patent/CN109538813B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1221989A (en) * | 1968-08-08 | 1971-02-10 | Alexander Samuel Volpin | Stem construction for rising stem-gate valve |
| US20090038687A1 (en) * | 2005-02-14 | 2009-02-12 | Luxembourg Patent Company S.A. | Thermally Activated Pressure Relief Valve |
| CN201339752Y (en) * | 2009-01-20 | 2009-11-04 | 苏州道森压力控制有限公司 | Novel valve hydraulic actuator |
| CN102410378A (en) * | 2010-09-22 | 2012-04-11 | Smc株式会社 | Gate valve |
| CN104806811A (en) * | 2015-05-04 | 2015-07-29 | 中国海洋石油总公司 | Deep sea valve executing mechanism with bidirectional pressure dynamic balance compensation device |
| US20190047830A1 (en) * | 2016-02-22 | 2019-02-14 | Safelink As | Mobile active heave compensator |
| CN105697850A (en) * | 2016-04-07 | 2016-06-22 | 中国石油大学(华东) | High-reliability underwater gate valve execution mechanism |
| CN106481830A (en) * | 2016-11-16 | 2017-03-08 | 江苏科技大学 | A kind of high reliability hydraulic pressure underwater gate valve |
| CN108662172A (en) * | 2018-06-06 | 2018-10-16 | 中国船舶重工集团公司第七二五研究所 | The one-way flow used in a kind of deep water is from underwater gate valve of releasing |
Non-Patent Citations (1)
| Title |
|---|
| 彭飞;段梦兰;肖玄;王珏;段英尧;朱春丽;: "深水闸板阀ROV传动机构的设计研究", 石油机械, no. 12 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3617572A4 (en) * | 2018-04-24 | 2020-08-19 | Neway Valve (Suzhou) Co., Ltd | Actuating system for use in driving valve to open and close |
| US11287055B2 (en) | 2018-04-24 | 2022-03-29 | Neway Valve (Suzhou) Co., Ltd. | Executive system for driving a valve to open and close |
| CN110185834A (en) * | 2019-06-17 | 2019-08-30 | 中国石油大学(华东) | A kind of underwater complete electric production tree valve actuator of pressure balance type |
| CN110185834B (en) * | 2019-06-17 | 2022-02-01 | 中国石油大学(华东) | Pressure balance type underwater full-electric Christmas tree valve actuator |
| CN113048251A (en) * | 2021-02-26 | 2021-06-29 | 河北华北石油荣盛机械制造有限公司 | Deepwater duplex gate valve |
| CN113048251B (en) * | 2021-02-26 | 2023-12-05 | 河北华北石油荣盛机械制造有限公司 | Duplex gate valve for deep water |
| CN114135540A (en) * | 2021-11-30 | 2022-03-04 | 哈尔滨工程大学 | Low-energy-consumption actuator utilizing water pressure acting force |
| CN114135540B (en) * | 2021-11-30 | 2023-08-15 | 哈尔滨工程大学 | Low-energy-consumption actuator utilizing hydraulic acting force |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109538813B (en) | 2023-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109538813A (en) | A kind of redundant drive underwater gate valve executing agency | |
| CN202834137U (en) | Underwater gate valve with hydraulic actuator | |
| US3942551A (en) | Hydraulic damping means for hinged check valve | |
| US7249750B2 (en) | Pressure balanced fluid control device | |
| US6401747B1 (en) | Gate valve | |
| US6487960B1 (en) | Hydraulic failsafe valve actuator | |
| CN103935490B (en) | Safe valve type underwater fixed depth releasing device | |
| CN202451846U (en) | Double valve clack large-diameter stop valve | |
| NO332311B1 (en) | Device at a valve | |
| CN210601013U (en) | Lever floating ball type drain valve with piston exhaust device | |
| NO20121180A1 (en) | Soft landing system, as well as methods to achieve the same. | |
| CN107054594A (en) | A kind of separation type hydraulic jettison system triggered by depth | |
| CN111895128B (en) | Industrial ball valve | |
| NO20141211A1 (en) | Guide element for applications in a valve actuator assembly | |
| CN105333194A (en) | Rotating operation driving device of underwater gate valve | |
| CN106762917A (en) | A kind of big flow explosion-proof valve and method of work | |
| CN209414744U (en) | A kind of redundant drive underwater gate valve executing agency | |
| CN105569593B (en) | Secondary locking device for oil gas drilling-production equipment under water | |
| RU193785U1 (en) | BELLOWS GATE VALVE | |
| CN110566800A (en) | Lever floating ball type drain valve with piston exhaust device | |
| US20140014193A1 (en) | Valve assembly for production tanks | |
| CN106885011A (en) | One seed nucleus level manual diaphragm valve | |
| CN208831814U (en) | Check valve assembly | |
| CN109237110A (en) | A kind of integrated electro-hydraulic large size valve opens integrated device fastly | |
| CN206655853U (en) | A kind of big flow explosion-proof valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |