CN208107286U - It is a kind of for driving the execution system of underwater valve - Google Patents
It is a kind of for driving the execution system of underwater valve Download PDFInfo
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- CN208107286U CN208107286U CN201820591659.2U CN201820591659U CN208107286U CN 208107286 U CN208107286 U CN 208107286U CN 201820591659 U CN201820591659 U CN 201820591659U CN 208107286 U CN208107286 U CN 208107286U
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Abstract
The utility model discloses a kind of for driving the execution system of underwater valve, including the first rotary shaft, the second rotary shaft and deceleration mechanism.Wherein the first rotary shaft by the first driver driving and rotate；Second rotary shaft is located at the lower section of the first rotary shaft, and bottom is used for the valve rod of connecting valve；Deceleration mechanism at the top of the bottom of the first rotary shaft and the second rotary shaft for will be connected；Deceleration mechanism includes the first gear being coaxially socketed on the first rotary shaft bottom, and at least one second gear being fixedly connected with the second rotary shaft top, and the outside wall surface of first gear and the outside wall surface of second gear are engaged.First gear and second gear are engaged, thus, the speed that the revolving speed of first gear and second gear are rotated around the first rotary shaft is faster, the twisting resistance that second rotary shaft is exported is bigger than the first rotary shaft, and then guarantee that there is sufficiently large twisting resistance driving stem to move to the corresponding position of the switch, it ensure that the reliability of valve.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of for driving the execution system of underwater valve.
Background technique
Under ocean water in oil gas, oil exploitation and the apparatus of production, it will usually use underwater valve and valve
Actuator devices, executing agency drive underwater valve to open valve, and underwater valve and its executing agency are required to
Macrocyclic non-maintaining use job requirement, thus, the underwater valve of high reliability and its executing agency become underwater valve
The design key of door gear.
Valve driver in the prior art, including first driving device and setting underwater second on the water is arranged
Driving device.Wherein, the second driving device includes the first drive rod installed close to first driving device, and and valve stem tip
The second drive rod being fixedly connected is cooperatively connected between the first drive rod and the second drive rod by helicitic texture and thread groove.
When first driving device drives the first drive rod pivoting, the second drive rod will drive valve under the action of helicitic texture
Bar moves up and down along the vertical direction, thus the folding of control valve.
In the valve driver of above structure, the twisting resistance that first driving device is exported directly transmitting will act on the
On one drive rod, still, when the twisting resistance provided by the first driving device is not enough to that the first drive rod is driven to rotate, lead to the
During two drive rods band ovable valve stem moves up and down, valve rod can not reach the position for being closed completely or fully opening, and then valve
It can not open and close in place, cause valve leak, reduce the reliability of valve.
Utility model content
Therefore, the technical problem to be solved by the utility model is in the prior art since transmission twisting resistance is insufficient,
Can not driving stem cause valve driver in place be not allowed and cause valve leak defect.
For this purpose, the utility model provide it is a kind of for driving the execution system of underwater valve, including：
First rotary shaft, by the first driver driving and rotate；
Second rotary shaft, positioned at the lower section of first rotary shaft, bottom is used for the valve rod of connecting valve；
Deceleration mechanism, for will be connected at the top of the bottom of first rotary shaft and second rotary shaft；
The deceleration mechanism includes the first gear being coaxially socketed on first rotary shaft bottom, and with described second
At least one second gear being fixedly connected at the top of rotary shaft, the outer wall of the outside wall surface of the first gear and the second gear
Face is engaged.
Preferably, the above-mentioned execution system for being used to drive underwater valve, the deceleration mechanism further include
First Transition wheel below the first gear and second gear, the First Transition wheel are socketed in described
On the top of two rotary shafts；The top of second rotary shaft is connect by the First Transition wheel with the second gear.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, the bottom of the second gear has
First is raised, corresponds at the position of first protrusion on the top surface of the First Transition wheel and offers the first groove；
First protrusion is plugged in first groove.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, the top of the second gear has
Second protrusion, the deceleration mechanism further include
Second transition wheel is set in outside first rotary shaft and is located at the top of the first gear and second gear,
Second transition wheel, which corresponds at the described second raised bottom surface, offers the second groove, remote on second transition wheel
There is the interconnecting piece extended towards First Transition wheel direction, the connection in bottom surface from the second gear side
Portion is located at outside the first gear；
The interconnecting piece is fixedly connected with the First Transition wheel；Second protrusion is plugged in second groove.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, the deceleration mechanism further includes third
Gear,
The third gear is located at the top of the First Transition wheel and is set in the first gear, the second gear
And outside second transition wheel, the peripheral outer wall face of the second gear is engaged with the inner circumferential wall face of the third gear and is set
It sets.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve,
The execution system further includes the first drive rod, and first drive rod has top opening and opens with the top
Mouth connection and vertically extending third inner cavity；The top of first drive rod is covered through the top opening in the second rotary shaft
Bottom outside wall surface on and be threadedly engaged；
The bottom of first drive rod is used to install the valve rod of the valve.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, further includes
First shell, top have the first opening and first inner chamber；
Cover board is sealed and is removably attached in the first opening；
The deceleration mechanism and second rotary shaft are installed in the first inner chamber of the first shell, and described first
The bottom of rotary shaft is located in the first inner chamber, and top is stretched out through first outward opening, and is connected to described first
Driver.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, further includes for adjusting described first
The first inner chamber of the shell balancer equal with the pressure in water environment locating for the valve；
The balancer includes
Second shell is sealingly mounted on the top of the first shell；The second shell has second inner chamber, described
The second opening at the top of first shell, the bottom of the second shell is offered opens with the third of second open communication
Mouthful；
Intercommunicating pore is offered on the side wall of the second shell and/or top, default height is put into the second inner chamber
When the hydraulic medium of degree, the intercommunicating pore is located at the top of the liquid level of hydraulic medium in the second inner chamber.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, the balancer further includes being located at institute
The conduction pipe outside second shell is stated, the conduction pipe has the linkage section being sealingly mounted on the intercommunicating pore, and sealing installation
The bottom of introduction segment on the bottom of the linkage section, the introduction segment extends downwardly.
It is further preferred that the above-mentioned execution system for being used to drive underwater valve, the linkage section and the introduction segment
It is made of different and etch-proof metal material；
The conduction pipe further includes the changeover portion for being tightly connected the bottom of the linkage section and the top of the introduction segment,
The changeover portion is made of nonmetallic and anticorrosion material.
Technical solution provided by the utility model, has the following advantages that：
1. provided by the utility model for driving the execution system of underwater valve, including the first rotary shaft, the second rotation
Axis and deceleration mechanism.Wherein the first rotary shaft by the first driver driving and rotate；Second rotary shaft is located at first rotation
The lower section of shaft, bottom are used for the valve rod of connecting valve；Deceleration mechanism be used for by the bottom of first rotary shaft with it is described
It is connected at the top of second rotary shaft；The deceleration mechanism includes first be coaxially socketed on first rotary shaft bottom
Gear, and at least one second gear for being fixedly connected at the top of second rotary shaft, the outside wall surface of the first gear with
The outside wall surface of the second gear is engaged.
The execution system for being used to drive underwater valve of this structure, since first gear and the first concentric rotation axis are arranged,
The outside wall surface of first gear outside wall surface and second gear engaged transmission, thus, second gear is located remotely from compared to first gear
The position of second rotary shaft is arranged.First distance between the rotation axis of second gear and the axis of the first rotary shaft is greater than,
The axis of first gear is to the second distance between the axis of the first rotary shaft, then the revolving speed of first gear and second gear are around
Faster, the first rotary shaft velocity of rotation is faster than the second rotary shaft velocity of rotation to the speed of two rotary shafts rotation, realizes and revolves to second
The purpose that shaft is slowed down, thus twisting resistance is applied to the first rotary shaft, the twisting resistance that the second rotary shaft is exported will be bigger, in turn
Guarantee have sufficiently large the first drive rod of torsion power drive and stem movement to corresponding folding position, and accurate in place,
It ensure that the reliability of valve.
2. provided by the utility model for driving the execution system of underwater valve, the deceleration mechanism further includes being located at institute
The First Transition wheel below first gear and second gear is stated, the First Transition wheel is socketed in the top of second rotary shaft
On；The top of second rotary shaft is connect by the First Transition wheel with the second gear；Second transition wheel is set in
First rotary shaft is outer and is located at the top of the first gear and second gear, and second transition wheel corresponds to described the
The second groove, the bottom table far from the second gear side on second transition wheel are offered at the bottom surface of two protrusions
There is the interconnecting piece extended towards First Transition wheel direction, the connecting portion is in outside the first gear on face.It is described
The bottom of second gear has the first protrusion, and the position of first protrusion is corresponded on the top surface of the First Transition wheel
Place offers the first groove；First protrusion is plugged in first groove.The top of the second gear has second
Protrusion, the interconnecting piece are fixedly connected with the First Transition wheel；Second protrusion is plugged in second groove.
The execution system for being used to drive underwater valve of this structure, the top of the bottom end of First Transition wheel and the second transition wheel
It is respectively symmetrically set on second gear both ends, second gear is as driving link, First Transition wheel and the second transition wheel conduct
Driven member, under the drive of driving link, only the movement circumferentially rotated by second gear around the first rotary shaft passes to the second rotation
Axis, into the transmitting stability of the revolving speed rotated with the second rotary shaft rotating speed of guarantee and second gear around the first rotary shaft.
3. provided by the utility model for driving the execution system of underwater valve, the deceleration mechanism further include relative to
The third gear of the second gear fixed setting, the third gear are located at the top of the First Transition wheel and are set in institute
It states outside first gear, the second gear and second transition wheel, the peripheral outer wall face of the second gear and the third
The inner circumferential wall face of gear is engaged.
The execution system for being used to drive underwater valve of this structure is second gear around first gear turn by third gear
It is dynamic that fixed support is provided, while to support second gear axially to rotate around its own, equally do around first gear axial-rotation
Movement.
4. provided by the utility model for driving the execution system of underwater valve, the execution system further includes the first drive
Lever, first drive rod have top opening and are connected to the top opening and vertically extending third inner cavity；Institute
The top for stating the first drive rod covers in the outside wall surface of the bottom of the second rotary shaft and is threadedly engaged through the top opening；It is described
The bottom of first drive rod is used to install the valve rod of the valve.
The execution system for being used to drive underwater valve of this structure, passes through the spiral shell between the first drive rod and the second rotary shaft
Line cooperation, thus when the second rotary shaft is when horizontal plane is axially rotated around its own, torsion that the second rotary shaft is rotated around itself
Turn power, be converted into the driving force risen or fallen of the first drive rod in the vertical direction, to the unlatching of control valve and close
It closes.
5. it is provided by the utility model for driving the execution system of underwater valve, it further include for adjusting the first shell
The first inner chamber of the body balancer equal with the pressure in water environment locating for the valve；The balancer includes second shell
Body is sealingly mounted on the top of the first shell；The second shell has a second inner chamber, at the top of the first shell on
Second opening, the bottom of the second shell offer and the third of second open communication be open；The second shell
Side wall and/or top on offer intercommunicating pore, when being put into the hydraulic medium of preset height in the second inner chamber, the company
Through-hole is located at the top of the liquid level of hydraulic medium in the second inner chamber.
The execution system for being used to drive underwater valve of this structure, second shell are arranged on the top of first shell, sea
Water is entered in second inner chamber by intercommunicating pore, and is full of second inner chamber with preset hydraulic medium.Under balancer working condition,
Seawater is in top position, and hydraulic medium opposite seawater under the action of its self weight is below position, in second inner chamber
Seawater is directly contacted with hydraulic medium top surface, and with pressure change in second inner chamber and first inner chamber, hydraulic medium is in second
The height and position of chamber will rise or fall, to guarantee the balance between two cavity internal pressures and Underwater Pressure.In addition, hydraulic
Under the block effect of medium, seawater will not be mixed into first inner chamber with hydraulic medium, can be operated normally thereby executing system,
It ensure that the high reliability of valve.
6. provided by the utility model for driving the execution system of underwater valve, the balancer further includes positioned at described
Conduction pipe outside second shell, the conduction pipe has the linkage section being sealingly mounted on the intercommunicating pore, and is sealingly mounted at
The bottom of introduction segment on the bottom of the linkage section, the introduction segment extends downwardly.This structure is used to drive underwater valve
Execution system, introduction segment is made of metal material, and the release metal ions into seawater, to prevent marine organisms close
Import causes to block to seawater from flowing in or out for second inner chamber；In addition, the setting of changeover portion, prevents linkage section and imports
Galvanic corrosion occurs between section, to improve the service life of valve balancer.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is provided in embodiment 1 for driving the structural schematic diagram of the execution system of underwater valve；
Fig. 2 is the structure enlargement diagram of Fig. 1 center A；
Fig. 3 is the structural schematic diagram for being used to drive balancer in the execution system of underwater valve provided in embodiment 1；
Fig. 4 is the structure enlargement diagram of Fig. 3 centre circle B；
Description of symbols：
The first rotary shaft of 1-；
The second rotary shaft of 2-；
31- first gear；32- second gear；The first protrusion of 321-；The second protrusion of 322-；33- First Transition wheel；331-
First groove；The second transition wheel of 34-；The second groove of 341-；342- interconnecting piece；35- third gear；
The first drive rod of 4-；41- third inner cavity；
5- first shell；51- first is open；52- first inner chamber；53 second openings；54- cover board；
6- balancer；611- bottom plate；612- side plate；613- upper cover；614- third opening；615- intercommunicating pore；In 62- second
Chamber；63- conduction pipe；631- linkage section；632- introduction segment；633- changeover portion；64- chock plug；65- connector；
The first transmission shaft of 71-；72- second driving shaft；73- indicator.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The present embodiment provides a kind of for driving the execution system of underwater valve, as shown in Figures 1 to 4, including first shell
Body 5, the first rotary shaft 1, the second rotary shaft 2, deceleration mechanism and the first drive rod 4.
Wherein, the top of first shell 5 has the first opening 51 and first inner chamber 52, in the first opening 51, sealing and
It is removably secured and cover board 54 is installed；Deceleration mechanism, the second rotary shaft 2 and the first drive rod 4 are installed in first inner chamber 52
Interior, the bottom of the first rotary shaft 1 is located in first inner chamber 52, and top is protruding through the first opening 51, and drives with first
Device is connected, the first rotary shaft 1 by the first driver driving and rotate；Second rotary shaft 2 is located under the first rotary shaft 1
Side, deceleration mechanism is for the bottom of the first rotary shaft 1 and the top of the second rotary shaft 2 to be connected；First drive rod 4 and
Two rotary shafts 2 are connected by helicitic texture, and the bottom of the first drive rod 4 is used to install the valve rod of valve.For example, the first driver
For external ROV torque tool, realizes and rotation is driven to the first rotary shaft 1.First rotary shaft 1, the second rotary shaft 2, the are with driving
Bar and valve rod are co-axially mounted.
As depicted in figs. 1 and 2, deceleration mechanism provided in this embodiment comprising first gear 31, second gear 32,
Three gears 35, First Transition wheel 33 and the second transition wheel 34.
Wherein, first gear 31 is co-axially mounted with the first rotary shaft 1；Third gear 35 and cover board 54 are fixedly mounted；First
The outside wall surface of gear 31 and the outside wall surface of second gear 32 are engaged, and the outside wall surface of second gear 32 is interior with third gear 35
Wall surface is engaged；First Transition wheel 33 is arranged below first gear 31 and second gear 32, and the bottom with second gear 32
End abuts；First Transition wheel 33 is set in the top of the second rotary shaft 2, and with the coaxial fixed installation of the second rotary shaft 2；Second transition
Wheel 34 is set in the outside of the first rotary shaft 1, and is located at the top of first gear 31 and second gear 32, the second transition wheel 34 and the
The top of two gears 32 abuts；It is fixedly connected between First Transition wheel 33 and the second transition wheel 34 by fixed structure.Most preferably,
It is uniformly arranged that there are three second gears 32 around the first rotary shaft 1 is axial in deceleration mechanism.
The deceleration mechanism provided in the present embodiment is planetary gear speed-reduction setting, and first gear 31 is equivalent to sun gear, the
Two gears 32 are equivalent to the sun wheel in planetary gear, and third gear 35 is gear ring.Wherein, sun gear is as driving link, fixed star
Wheel is used as driven member, and gear ring is motionless, to guarantee that the axis being fixedly connected with sun wheel does retarded motion.
Specifically, as depicted in figs. 1 and 2, the bottom of second gear 32 has the first protrusion 321, accordingly, the first mistake
Correspond at the position of the first protrusion 321 on the top surface of ferry boat 33 and offers the first groove 331；First raised 321 grafting
In the first groove 331.Similarly, the top of second gear 32 has the second protrusion 322, and the second transition wheel 34 corresponds to second
The second groove 341 is offered at the bottom surface of protrusion 322, the second protrusion 322 is plugged in the second groove 341.Either
The cooperation of one protrusion 321 and the first groove 331 or the cooperation of the second groove 341 and the second protrusion 322, groove and protrusion
Between fit system be clearance fit, to guarantee that second gear 32 can be in First Transition wheel 33 and the second transition wheel 34
Rotation in groove.In the transmission process of second gear 32, First Transition wheel 33 and the second transition wheel 34, second gear 32 is made
For driving link, First Transition wheel 33 and the second transition wheel 34 are used as driven member, under the drive of driving link, only by second gear 32 around
The movement of first rotary shaft 1 circumferentially rotated passes to the second rotary shaft 2, into guarantee 2 revolving speed of the second rotary shaft and the second tooth
Transmitting stability of the wheel 32 around the revolving speed of the first rotary shaft 1 rotation.
Second transition wheel 34 as depicted in figs. 1 and 2 has in the bottom surface far from 32 side of second gear towards the
The interconnecting piece 342 that one transition wheel, 33 direction extends, interconnecting piece 342 are located at outside first gear 31；Interconnecting piece 342 and First Transition wheel
33 top is fixedly connected by threaded fastener, is further ensured that the stability of transmitting.
There is the boss extended radially outward, boss both ends are respectively equipped with bearing, and pass through bearing in second rotary shaft 2
Gland is fixed.Bearing can support the second rotary shaft 2 and move around axis, while reduce rubbing in 2 turning course of the second rotary shaft
Coefficient is wiped, and then guarantees its rotating accuracy, and the twisting resistance by being transmitted by First Transition wheel 33.
The top of first drive rod 4 as shown in Figure 1 has opening, and is connected to top opening and vertically extending the
Three inner cavities 41.Furthermore.The top of first drive rod 4 is set in the outside wall surface of the bottom of the second rotary shaft 2 through top opening, the
The bottom outer wall face of the inner wall of three inner cavities 41 and the second rotary shaft 2 is the screw thread knot with same form, specification and screw pitch
Structure.Guarantee that the bottom of the second rotary shaft 2 can be protruded into third inner cavity 41.
The inner wall of first shell 5 has the inner spline groove being arranged along the vertical direction, and the outer side surface of the first drive rod 4 is also
With the external splines that the inner spline groove is slidably connected, to guarantee that the first drive rod 4 only slides up and down in the vertical direction.
As shown in Figure 1, being additionally provided in the execution system of the present embodiment and playing indicative function to valve folding location status
Switch indicating mechanism, switch indicating mechanism includes：First transmission shaft 71, second driving shaft 72 and indicator 73.
Wherein, the top of the first transmission shaft 71 is fixedly connected with the bottom end of second driving shaft 72 by pin；First transmission
Axis 71 is located in first inner chamber 52；The bottom of second driving shaft 72 is located in first inner chamber 52, and top is stretched out with cover board 54 simultaneously
It is fixedly connected with one end of indicator 73, the other end of indicator 73 is vacantly arranged, between indicator 73 and second driving shaft 72
It is vertical fixed.
Switching instruction structure further includes the direction board being mounted on 54 top surface of cover board, is separately installed with out instruction on direction board
Mark and pass indicateing arm.The free end of indicator 73 is respectively provided with instruction and opens indicateing arm and close two kinds of extreme positions of indicateing arm
As shown in Figure 1, the outer side surface of the first transmission shaft 71 is equipped with helicla flute, the first drive rod 4 is equipped with pin, pin
Nail can be protruded into helicla flute and be slided along hand of helix.Thus when the first drive rod 4 moves up and down along the vertical direction, pin
When rising or falling along helicla flute, pin will drive 71 pivoting of the first transmission shaft, and then the free end rotation of indicator 73,
The folding of valve is accurately indicated.
As shown in figures 1 and 3, execution system provided in this embodiment further includes for adjusting in the first of first shell 5
The balancer 6 equal with the pressure in water environment locating for valve of chamber 52；Balancer 6 includes being sealingly mounted at second on cover board 54
Shell, and the conduction pipe 63 being fixedly connected with second shell.
Wherein, second shell has second inner chamber 62, and cover board 54 is equipped with the second opening 53, and second shell opens up on bottom
There is the third opening 614 interconnected with the second opening 53, so that first inner chamber 52 and second inner chamber 62 are interconnected.Conducting
Pipe 63 is fixedly mounted by the intercommunicating pore 615 on second shell side wall with second side wall surface, is put into second inner chamber 62 default
When the hydraulic medium of height, intercommunicating pore 615 is located at the top of the liquid level of hydraulic medium in second inner chamber 62.
The liquid level of hydraulic medium in above-mentioned second inner chamber 62, intracavitary volume, the depth of water according to first inner chamber 52
It determines with hydraulic medium parameter, and is obtained by calculating.Furthermore hydraulic medium should select, and density ratio water is big and environmentally friendly
Hydraulic medium.
As shown in Figure 3 and Figure 4, in above-mentioned balancer 6, conduction pipe 63 has linkage section, introduction segment 632 and changeover portion
633.Wherein, linkage section is welded on intercommunicating pore 615, and the top of changeover portion 633 is fixedly mounted along the bottom end seal of linkage section, class
As, the top of introduction segment 632 is fixedly connected with the sealed bottom of changeover portion 633, and the bottom of introduction segment 632 is towards seabed side
To extending downwardly.It is threadedly coupled for example, being sealed between 633 three of linkage section, introduction segment 632 and changeover portion by NPT.
As shown in Figure 3 and Figure 4, in the present embodiment, linkage section is in handstand L shape, and the end part seal for the L-shaped horizontal part that stands upside down connects
It connects on intercommunicating pore 615, the bottom of vertical portion and changeover portion 633 are tightly connected.The longitudinal cross-section shape of 633 outside wall surface of changeover portion
As " ten " font, so that changeover portion 633 and linkage section and introduction segment 632 be facilitated to screw installation respectively.
Specifically, linkage section and introduction segment 632 are made of different and etch-proof metal material；Changeover portion 633 is adopted
It is made of nonmetallic and anticorrosion material.For example, linkage section uses stainless steel material, introduction segment 632 uses copper material.Introduction segment
632 can be towards release metal ions in seawater, such as the copper ion used in the present embodiment, to use the introduction segment of copper material
632 can be with seawater corrosion resistance；And the copper ion dissolved in water has bactericidal effect, can prevent marine biofouling, further
It prevents marine organisms close to import, and seawater is caused to block from flowing in or out for second inner chamber 62；Further, since copper material
Introduction segment 632 and stainless steel material linkage section 631 be two different metal materials, if the direct connection of the two, it will shape
At primary battery and connecting pin 631 or introduction segment 632 is caused to corrode, thus the setting being arranged between introduction segment 632 and changeover portion 633
There is the changeover portion 633 of nonmetallic materials, the setting of changeover portion 633 can prevent that former electricity occurs between linkage section and introduction segment 632
Pond corrosion, to improve the service life of valve balancer 6.
As shown in Figure 3 and Figure 4, in above-mentioned balancer 6, second shell includes the bottom plate 611 being mounted on cover board 54, Gu
The side plate 612 being scheduled on bottom plate 611, and the upper cover 613 being mounted in the top opening that side plate 612 surrounds.
Wherein, bottom plate 611 stretches out outside side plate 612 in the horizontal direction, and the part that bottom plate 611 stretches out outside side plate 612 also passes through
Fastener is fixed on cover board 54.For example, bottom plate 611, upper cover 613 and side plate 612 are stainless steel material support, prevent
By seawater corrosion in marine environment；In addition, stretching out in the bottom plate 611 outside side plate 612 in the horizontal direction by setting, facilitate installation
Personnel will be fixedly mounted between bottom plate 611 and first shell 5, improve the convenience of installation and removal.
As shown in Figure 3 and Figure 4, offered on the top of second shell the 4th opening and it is salable be plugged on the 4th opening
On chock plug 64.4th opening is inserted with chock plug 64 by being threadedly engaged rotation, and air can be by between the 4th opening and chock plug 64
Gap is discharged outside second inner chamber 62, is further ensured that the pure property of valve internal hydraulic medium environment, further increases valve
Reliability.Chock plug 64 in the present embodiment selects two phase stainless steel rotation to be inserted in the 4th opening.
As shown in Figure 3 and Figure 4, first shell 5 and second shell are by being plugged in the second opening 53 and third opening 614
Connector 65 be tightly connected；To guarantee to be interconnected between first inner chamber 52 and second inner chamber 62.The outside wall surface of connector 65 is cut
Face is "T"-shaped.The horizontal part of T shape protrudes into second inner chamber 62, and the outer edge of horizontal part is weldingly fixed on second shell
Bottom on, the vertical portion of connector 65 protrude into first shell 5 second opening 53 in；The vertical portion of connector 65 and the second opening 53
Inner wall between lip ring is set.Such as lip ring is O-ring.
Above-mentioned balancer 6, wherein second shell is arranged on the top of first shell 5, and seawater passes through intercommunicating pore 615
It enters in second inner chamber 62, and is full of second inner chamber 62 with preset hydraulic medium.Under 6 working condition of balancer, at seawater
In top position, hydraulic medium is below position, the seawater in second inner chamber 62 with respect to seawater under the action of its self weight
It is directly contacted with hydraulic medium top surface, with pressure change in second inner chamber 62 and first inner chamber 52, hydraulic medium is in second
The height and position of chamber 62 rises or falls, to guarantee the balance between each cavity internal pressure and Underwater Pressure.In addition, hydraulic
Under the block effect of medium, seawater will not be mixed into first inner chamber 52 with hydraulic medium, can normally be transported thereby executing system
Row, ensure that the high reliability of valve.
By taking Open valve as an example, the course of work in the present embodiment for driving the execution system of underwater valve is：
Firstly, driving the rotation of the first rotary shaft 1 by the first driver；Later, under the drive of reduction gearing, the second rotation
Shaft 2 is around own axis；Then, by the effect of helicitic texture between the second rotary shaft 2 and the first drive rod 4, first
Drive rod 4 moves vertically downwards；Finally, 4 bottom end of the first drive rod band ovable valve stem moves downward, reaches valve rod and open
Position so far executes the movement that system completes Open valve.
The execution system provided in this embodiment for being used to drive underwater valve, due to first gear 31 and the first rotary shaft 1
Coaxial arrangement, the outside wall surface engaged transmission of 31 outside wall surface of first gear and second gear 32, thus, second gear 32 is compared to the
One gear 31 is located remotely from the position setting of the second rotary shaft 2.The axis of the rotation axis of second gear 32 and the first rotary shaft 1
First distance between line is greater than, the axis of first gear 31 to the second distance between the axis of the first rotary shaft 1, then and first
Faster, 1 velocity of rotation of the first rotary shaft is faster than the to the speed that the revolving speed of gear 31 and second gear 32 are rotated around the second rotary shaft 2
Two rotary shafts, 2 velocity of rotation realizes the purpose slowed down to the second rotary shaft 2, thus applies twisting resistance to the first rotary shaft 1, the
The twisting resistance that two rotary shafts 2 are exported will be bigger, and then guarantee there is sufficiently large the first drive rod of torsion power drive 4 and valve rod
Corresponding folding position is moved to, and accurate in place, ensure that the reliability of valve.
Embodiment 2
The present embodiment provides a kind of for driving the execution system of underwater valve, is used to drive with what is provided in embodiment 1
The execution system for moving underwater valve is compared, and is in place of existing difference,
The number of second gear 32 can be one, two, as long as guaranteeing to First Transition wheel 33 and and the second transition
Wheel 34 carries out driving rotation.
The number of second gear 32 can be for four, five or more, as second gear 32 selects increasing for number,
The rotate driving power of the passed to First Transition wheel 33 of second gear 32 and the second transition wheel 34 also will be further stable, further protect
Demonstrate,prove the reliability of deceleration mechanism transmitting.
Embodiment 3
The present embodiment provides a kind of for driving the execution system of underwater valve, and provides in embodiment 1 or embodiment 2
For driving the execution system of underwater valve to compare, be in place of existing difference：
First driver can choose any motor or other power output device, as long as guaranteeing that the first driver can be right
First rotary shaft 1 carries out driving rotation, and twisting resistance is passed to second gear 32.
Embodiment 4
The present embodiment provides a kind of for driving the execution system of underwater valve, any into embodiment 3 with embodiment 1
What a embodiment provided is used to that the execution system of underwater valve to be driven to compare, and is in place of existing difference：
It is not provided with the second transition wheel 34, the First Transition wheel 33 being set in second gear 32 can be only relied on as intermediate
The transfer device of twisting resistance.
Embodiment 5
The present embodiment provides a kind of for driving the execution system of underwater valve, and any in embodiment 1 to embodiment 4
What a embodiment provided is used to that the execution system of underwater valve to be driven to compare, and is in place of existing difference：
It can also be not provided with First Transition wheel 33 and First Transition wheel 33.Only pass through second gear 32 and the second rotary shaft 2
It being fixedly connected, second gear 32 has L-shaped structure and the outer flank of tooth, wherein L-shaped horizontal part is fixedly connected with the second rotary shaft 2,
The vertical portion of L-shaped structure and the outer flank of tooth are rotatablely connected, and the outer flank of tooth and the outside of first gear 31 are engaged, can equally guarantee
Deceleration transmission of the deceleration mechanism to the second rotary shaft 2.
Embodiment 6
The present embodiment provides a kind of for driving the execution system of underwater valve, any into embodiment 5 with embodiment 1
What a embodiment provided is used to that the execution system of underwater valve to be driven to compare, and is in place of existing difference：
The variation of position is arranged in intercommunicating pore 615, can be set on the top wall surface of second shell, equally can satisfy sea
Water flows into second inner chamber 62 along intercommunicating pore 615, and the pressure of seawater and the oil pressure in second inner chamber 62 maintain pressure balance, equally
It ensure that the reliability of valve.
The connection type of conduction pipe 63 and second shell the modes such as can also be connected through a screw thread and be fixedly connected, as long as protecting
Second inner chamber 62 can smoothly be imported by conduction pipe 63 by demonstrate,proving seawater.
As the deformation of 63 structure of conduction pipe, the shape of linkage section can be straight tube, and seawater equally can be along conduction pipe 63
Flow into second inner chamber 62.
As the deformation of 63 structure of conduction pipe, introduction segment 632 can be only arranged in conduction pipe 63, and introduction segment 632 can be set
Seawater is drained into second inner chamber 62 as long as guaranteeing that conduction pipe 63 can be connect with seawater for L shape.
As further deformation, it can be not provided with conduction pipe 63, only by the intercommunicating pore 615 in second shell by seawater
It imports in the second cavity, the same intercommunicating pore for guaranteeing seawater above the liquid level being arranged in second inner chamber 62 higher than hydraulic medium
615, second inner chamber 62 is flowed into, to carry out the pressure balance in seawater and second inner chamber 62 and first inner chamber 52.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of innovation and creation.
Claims (10)
1. a kind of for driving the execution system of underwater valve, which is characterized in that including
First rotary shaft (1), by the first driver driving and rotate；
Second rotary shaft (2), is located at the lower section of first rotary shaft (1), and bottom is used for the valve rod of connecting valve；
Deceleration mechanism, for will be connected at the top of the bottom of first rotary shaft (1) and second rotary shaft (2)；
The deceleration mechanism includes the first gear (31) that is coaxially socketed on the first rotary shaft (1) bottom, and with it is described
At least one second gear (32) being fixedly connected at the top of second rotary shaft (2), the outside wall surface of the first gear (31) and institute
The outside wall surface for stating second gear (32) is engaged.
2. according to claim 1 for driving the execution system of underwater valve, which is characterized in that the deceleration mechanism is also
Including
First Transition wheel (33) below the first gear (31) and second gear (32), the First Transition wheel (33)
It is socketed on the top of second rotary shaft (2)；The top of second rotary shaft (2) passes through the First Transition wheel (33)
It is connect with the second gear (32).
3. according to claim 2 for driving the execution system of underwater valve, which is characterized in that the second gear
(32) bottom has first raised (321), and first protrusion is corresponded on the top surface of the First Transition wheel (33)
(321) the first groove (331) are offered at position；Described first raised (321) are plugged in first groove (331).
4. according to claim 2 or 3 for driving the execution system of underwater valve, which is characterized in that second tooth
The top for taking turns (32) has second raised (322), and the deceleration mechanism further includes
Second transition wheel (34) is set in first rotary shaft (1) outside and is located at the first gear (31) and second gear
(32) top, it is recessed that second transition wheel (34) offers second at the bottom surface corresponding to described second raised (322)
Slot (341) has described in the bottom surface on second transition wheel (34) far from the second gear (32) side
The interconnecting piece (342) that First Transition wheel (33) direction extends, the interconnecting piece (342) are located at the first gear (31) outside；
The interconnecting piece (342) is fixedly connected with the First Transition wheel (33)；Second raised (322) are plugged on described the
In two grooves (341).
5. according to claim 4 for driving the execution system of underwater valve, which is characterized in that the deceleration mechanism is also
Including third gear (35),
The third gear (35) is located at the top of the First Transition wheel (33) and is set in the first gear (31), described
Second gear (32) and second transition wheel (34) outside, the peripheral outer wall face of the second gear (32) and the third gear
(35) inner circumferential wall face is engaged.
6. according to any one of claim 1-3 for driving the execution system of underwater valve, which is characterized in that
The execution system further includes the first drive rod (4), first drive rod (4) have top opening and with the top
Open communication and vertically extending third inner cavity (41)；The top of first drive rod (4) is covered through the top opening
In the outside wall surface of the bottom of second rotary shaft (2) and it is threadedly engaged；
The bottom of first drive rod (4) is used to install the valve rod of the valve.
7. according to any one of claim 1-3 for driving the execution system of underwater valve, which is characterized in that also wrap
It includes
First shell (5), top have the first opening (51) and first inner chamber (52)；
Cover board (54) is sealed and is removably attached on the first opening (51)；
The deceleration mechanism and second rotary shaft (2) are installed in the first inner chamber (52) of the first shell (5), institute
The bottom for stating the first rotary shaft (1) is located in the first inner chamber (52), and top is protruding through first opening (51),
And it is connected to first driver.
8. according to claim 7 for driving the execution system of underwater valve, which is characterized in that further include for adjusting
The first inner chamber (52) of the first shell (5) balancer (6) equal with the pressure in water environment locating for the valve；
The balancer (6) includes
Second shell is sealingly mounted on the top of the first shell (5)；The second shell has second inner chamber (62),
The second opening (53) on first shell (5) top, the bottom of the second shell offer and second opening
(53) third being connected to is open (614)；
Intercommunicating pore (615) are offered on the side wall of the second shell and/or top, are put into the second inner chamber (62) pre-
If when the hydraulic medium of height, the intercommunicating pore (615) is located at the top of the liquid level of hydraulic medium in the second inner chamber (62).
9. according to claim 8 for driving the execution system of underwater valve, which is characterized in that the balancer (6)
It further include the conduction pipe (63) outside the second shell, the conduction pipe (63), which has, is sealingly mounted at the intercommunicating pore
(615) linkage section (631) on, and the introduction segment (632) being sealingly mounted on the bottom of the linkage section (631), it is described to lead
The bottom for entering section (632) extends downwardly.
10. according to claim 9 for driving the execution system of underwater valve, which is characterized in that the linkage section
(631) it is made with the introduction segment (632) of different and etch-proof metal material；
The conduction pipe (63) further includes connecting the sealing of the top of the bottom of the linkage section (631) and the introduction segment (632)
The changeover portion (633) connect, the changeover portion (633) are made of nonmetallic and anticorrosion material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591659.2U CN208107286U (en) | 2018-04-24 | 2018-04-24 | It is a kind of for driving the execution system of underwater valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591659.2U CN208107286U (en) | 2018-04-24 | 2018-04-24 | It is a kind of for driving the execution system of underwater valve |
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| CN208107286U true CN208107286U (en) | 2018-11-16 |
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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 |
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2018
- 2018-04-24 CN CN201820591659.2U patent/CN208107286U/en active Active
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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