CN106639959A - Blowout preventer actuator and blowout preventer - Google Patents
Blowout preventer actuator and blowout preventer Download PDFInfo
- Publication number
- CN106639959A CN106639959A CN201710177155.6A CN201710177155A CN106639959A CN 106639959 A CN106639959 A CN 106639959A CN 201710177155 A CN201710177155 A CN 201710177155A CN 106639959 A CN106639959 A CN 106639959A
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- Prior art keywords
- preventer
- fixed part
- motion portion
- oil cylinder
- executive item
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- 230000033001 locomotion Effects 0.000 claims abstract description 80
- 239000003921 oil Substances 0.000 claims description 62
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 6
- UYFMSCHBODMWON-LNTRICLHSA-N (Z)-7-[(1S,2S,3S,4R)-3-[(E,3R)-3-hydroxy-4-(4-iodophenoxy)but-1-enyl]-7-oxabicyclo[2.2.1]heptan-2-yl]hept-5-enoic acid Chemical compound O[C@H](/C=C/[C@H]1[C@@H]([C@@H]2CC[C@H]1O2)C\C=C/CCCC(=O)O)COC1=CC=C(C=C1)I UYFMSCHBODMWON-LNTRICLHSA-N 0.000 description 5
- 241001225917 Prosopis affinis Species 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Actuator (AREA)
Abstract
The invention relates to a blowout preventer actuator and a blowout preventer and belongs to the technical field of petroleum drilling and production equipment. According to the blowout preventer actuator, a fixing assembly comprises a lining fixed to the blowout preventer; an executive assembly comprises a first executive piece and a second executive piece which is connected with the lining and can drive the first executive piece to rotate; a movable assembly comprises a fixed part, a movable part and a connecting part; and the lining is rotatably sleeved with the fixed part, the second executive piece is rotatably sleeved with the movable part, and the connecting part is used for driving the movable part to get away from or get close to the fixed part and enabling the second executive piece to slide along the lining. In the rotating process of the blowout preventer adopting the actuator, the movable assembly is at a stationary state relative to a blowout preventer body, can drive the second executive piece to slide along the lining and can convert linear movement of the second executive piece into rotation of the first executive piece, accordingly, the first executive piece can open or close the blowout preventer during rotation of a top drive spindle, and using requirements are met.
Description
Technical field
The present invention relates to oil drilling and extracting equipment technical field, in particular to a kind of preventer actuator and blowout prevention
Device.
Background technology
With increasing for oil-gas exploration and development process middle-deep well, ultradeep well and Holes of Complicated Wells, the demand driven to top is also increasingly
Urgently, while also having obtained the approval in market.Top driving device is to be rotated power from the top direct drive drilling tool of derrick
Drilling, and circulating mud can be completed, the drilling rig of various drill-well operations such as thribble, upper shackle and back reaming is connect.Inner blowout preventer
(internal blowout preventer, abbreviation IBOP) is a kind of quick jet-preventing tool of well head, installed in the bottom that top is driven,
When being that well kick (overflow) occurs in drilling well, to control well kick and blowout.It is to realize IBOP certainly that blowout preventing control apparatus are driven on top
The critical component of dynamic control, its Main Function is to control hydraulic component by remote operation to drive IBOP actuators to blowout prevention
Device device is turned on and off.
The current problem that is primarily present with IBOP actuator driven devices is：Drive when main shaft rotates to enter IBOP on top
Row is turned on and off operation；Execution unit easily weares and teares, and so as to occur being turned on and off not tight situation, is affecting preventer just
Often work.
The content of the invention
Present invention aims to the problems referred to above, there is provided a kind of preventer actuator and preventer, bushing and blowout prevention
Device body is fixed, and moving parts are rotated with bushing and are connected, and in rotation process, moving parts are in geo-stationary to blowout preventer body
State, moving parts can drive the second executive item along casing slip, and the linear motion of the second executive item is converted to into
The rotation of one executive item, so that the first executive item can carry out being turned on and off behaviour when top drive main shaft rotates to preventer
Make, improved the problems referred to above.
What embodiments of the invention were realized in：
The invention provides a kind of preventer actuator, is applied to preventer, including fixation kit, executive module and motion
Component.Fixation kit includes the bushing for fixing with preventer；Executive module includes the first executive item for cooperating and the
Two executive items, the first executive item is rotatablely connected with bushing and for controlling being turned on and off for preventer, the second executive item
Slidably be connected with bushing and the second executive item along casing slip when can drive the first executive item rotate；Moving parts include
Fixed part, motion portion and connecting portion, fixed part is rotatably sheathed on bushing, and motion portion is rotatably sheathed on the second execution
Part, connecting portion be used to driving motion portion away from or near fixed part and making the second executive item along casing slip.
In optional embodiment of the present invention, fixed part includes upper fixing element and lower fixture, upper fixing element and lower fixation
Part is fixed, and upper fixing element is fixed with bushing and is rotatably connected by upper bearing (metal), and motion portion fixes and lead to the second executive item
Cross lower bearing rotatably to connect, motion portion is mobilizable to be arranged between upper fixing element and lower fixture, and connecting portion is flexible
Any one in cylinder, fixed part and motion portion is fixed with telescoping cylinder.
In optional embodiment of the present invention, connecting portion includes at least two hydraulic jacks, and hydraulic jack revolves around bushing
Turn symmetrical, hydraulic jack includes piston rod and cylinder barrel, piston rod is fixedly connected with upper fixing element and/or lower fixture, cylinder barrel and
Motion portion slidably connection and can drive motion portion away from or near upper fixing element.
In optional embodiment of the present invention, the quantity of hydraulic jack is four, and four hydraulic jacks are respectively two and open
Open oil cylinder and two closing oil cylinders, open oil cylinder be located between upper fixing element and motion portion, close oil cylinder be located at lower fixture with
Between motion portion, the piston rod for opening oil cylinder is fixedly connected with upper fixing element, and the cylinder barrel for opening oil cylinder is slidable with motion portion
Connection, the piston rod for closing oil cylinder is fixedly connected with lower fixture, and the cylinder barrel for closing oil cylinder is slidably connected with motion portion.
In optional embodiment of the present invention, upper fixing element offer through open oil cylinder piston rod and with open oil cylinder
Cylinder barrel connection the first oil duct, lower fixture offer through close oil cylinder piston rod and with close oil cylinder cylinder barrel connect
The second oil duct.
In optional embodiment of the present invention, motion portion is square structure, and motion portion includes four connecting seats, four connections
Respectively positioned at the corner in motion portion, four connecting seats include the first connecting seat in diagonal distribution and the second connecting seat to seat, first
Connecting seat offers the first sliding cavity being open towards upper fixing element, and the second connecting seat offers the be open towards lower fixture
Two sliding cavities, the cylinder barrel for opening oil cylinder is located at the cylinder barrel that oil cylinder is closed in the first sliding cavity in the second sliding cavity, and first slides
Buffering boss is provided with dynamic chamber and the second sliding cavity, diapire and/or closing that boss is located at the cylinder barrel for opening oil cylinder is buffered
Between the diapire of the cylinder barrel of oil cylinder and motion portion.
In optional embodiment of the present invention, preventer actuator also include stroke adjustment part, stroke adjustment part include with
The stroke regulating lever of fixed part threaded connection, stroke regulating lever is through fixed part and can be connected to motion portion.
In optional embodiment of the present invention, the first executive item includes gear, and the second executive item includes tooth bar seat and fixation
In the tooth bar of tooth bar seat, rack and pinion engagement, tooth bar seat be slidably connected with bushing and tooth bar seat along casing slip when energy
Pinion rotation, gear is enough driven to include engaging tooth and circular arc boss, engaging tooth is with circular arc boss along the circumferentially extending of gear, tooth bar
Seat is provided with groove corresponding with circular arc boss, and groove extends along the direction that the second executive item is moved.
Present invention also offers a kind of preventer, including blowout preventer body, expansion set component and above-mentioned preventer actuator,
Preventer actuator is fixedly connected with blowout preventer body by expansion set component.
In optional embodiment of the present invention, expansion set component includes two expansion sleeves being correspondingly arranged, expansion sleeve it is transversal
Face is pyramidal structure, and the conical surface of two expansion sleeves fits.
Compared with prior art, beneficial effects of the present invention are：
Based on above-described embodiment, using the preventer of the preventer actuator in rotation process, moving parts are prevented relatively
Spray apparatus body remains static, and moving parts can drive the second executive item along casing slip, and by the second executive item
Linear motion is converted to the rotation of the first executive item, so that the first executive item can drive when main shaft rotates to enter preventer on top
Row is turned on and off operation, meets use demand.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the first structural representation of the preventer actuator of first embodiment of the invention；
Fig. 2 is second structural representation of the preventer actuator of first embodiment of the invention；
Fig. 3 is the sectional view in III-III direction of Fig. 2；
Fig. 4 is the structural representation of the executive module of Fig. 1；
Fig. 5 is the structural representation of the gear of Fig. 4；
Fig. 6 is the structural representation of the tooth bar seat of Fig. 4；
Fig. 7 is the sectional view in VII-VII direction of Fig. 2；
Fig. 8 is the sectional view in VIII-VIII direction of Fig. 2；
Fig. 9 is the structural representation of the preventer of second embodiment of the invention；
Figure 10 is enlarged diagram at the A of Fig. 9.
Icon：100- preventer actuators；11- fixation kits；111- bushings；12- executive modules；121- gears；1211-
Circular arc boss；122- tooth bar seats；1221- grooves；123- tooth bars；13- moving parts；130- fixed parts；1301- upper fixing elements；
Fixture under 1302-；The oil ducts of 1303- first；The oil ducts of 1304- second；1305- containment vessels；131- motions portion；1311- first connects
Joint chair；The sliding cavities of 1312- first；The connecting seats of 1313- second；The sliding cavities of 1314- second；132- connecting portions；1321- opens oil
Cylinder；1322- closes oil cylinder；1323- piston rods；1324- cylinder barrels；133- buffers boss；14- stroke regulating levers；The anti-twisted seats of 15-；
200- preventers；210- blowout preventer bodies；220- expansion set components.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Present invention enforcement generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
In describing the invention, it should be noted that the orientation or position relationship of the instruction such as term " interior ", " outward " are base
In orientation shown in the drawings or position relationship, or the orientation usually put when using of the invention product or position relationship, only
It is to describe with simplifying for the ease of the description present invention, rather than indicates or imply that the device or element of indication must be with specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " the
Two " etc. it is only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can be
It is mechanically connected, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
First embodiment
Fig. 1 is refer to, the present embodiment provides a kind of preventer actuator 100, is applied to preventer, including fixation kit
11st, executive module 12 and moving parts 13.
As shown in Fig. 2 fixation kit 11 is sheathed on outside blowout preventer body.Fixation kit 11 is included for fixing with preventer
Bushing 111, as shown in figure 3, the sheet that bushing 111 is sheathed on preventer is external, fix with blowout preventer body, and follow blowout prevention
Device is rotated.
Executive module 12 includes the first executive item and the second executive item for cooperating, and the first executive item rotatably connects
In bushing 111 and for controlling being turned on and off for preventer, the second executive item is slidably connected with bushing 111 and second holds
Row part along bushing 111 slide when can drive the first executive item rotate.The effect of the first executive item is the unlatching for controlling preventer
Or close, and the rotation of the effect of the second executive item to be the linear motion that will be slided along bushing 111 be converted to the first executive item (is justified
Zhou Yundong).The cooperation of the first executive item and the second executive item can have various ways, for example：First executive item and second is performed
Part can be turbine worm structure, or the first executive item and the second executive item are gear ＆ rack structure, the first executive item and the
Two executive items can also be slider-crank mechanism, and in a word, the first executive item and the second executive item transport can straight line with being combined into
The mechanism of the dynamic rotation for being converted to the first executive item, user can choose different fit forms according to actual conditions.
As the alternative of the present embodiment, as shown in figure 4, the fit form of the first executive item and the second executive item is tooth
Wheel rack structure, the first executive item includes gear 121, and the second executive item includes tooth bar seat 122 and is fixed on the tooth of tooth bar seat 122
Bar 123, tooth bar 123 is engaged with gear 121, and tooth bar seat 122 is slidably connected with bushing 111 and tooth bar seat 122 is along bushing 111
Can rotate with moving gear 121 during slip.
Further, in the actuator course of work, there is axial float in rack and pinion engagement, in order to prevent gear 121
Axial float, gear 121 includes engaging tooth and circular arc boss 1211 (as shown in Figure 5), and engaging tooth is with circular arc boss 1211 along tooth
Wheel 121 it is circumferentially extending, tooth bar seat 122 is provided with groove 1221 (as shown in Figure 6) corresponding with circular arc boss 1211, groove
1221 extend along the direction of the linear motion of tooth bar seat 122.Circular arc boss 1211 occupies the circumferential profile of operative gear 121, i.e. tooth
The circumference of wheel 121 includes engaging tooth and circular arc boss 1211, and when actuator works, circular arc boss 1211 is matched somebody with somebody with groove 1221
Close, the axial float of the limiting gear 121 of groove 1221, improve the security of actuator work.
Moving parts 13 include fixed part 130, motion portion 131 and connecting portion 132, and fixed part 130 is rotatably sheathed on
Bushing 111, motion portion 131 is rotatably sheathed on tooth bar seat 122, connecting portion 132 be used to driving motion portion 131 away from or it is close
Fixed part 130 and tooth bar seat 122 is set to slide along bushing 111.The structure of connecting portion 132 can be various ways, both can be to stretch
Contracting cylinder, or gear ＆ rack structure, can also be the component of other linear motions, as long as motion portion 131 can be driven remote
From or near fixed part 130.
In the present embodiment, as shown in fig. 7, fixed part 130 includes upper fixing element 1301 and lower fixture 1302, upper fixation
Part 1301 is fixedly connected with lower fixture 1302, and upper fixing element 1301 is fixed with bushing 111 and rotatably connected by upper bearing (metal)
Connect, motion portion 131 is fixed with tooth bar seat 122 and is rotatably connected by lower bearing, motion portion 131 is mobilizable to be arranged at
Between fixture 1301 and lower fixture 1302.It is pointed out that upper fixing element 1301 passes through protection with lower fixture 1302
Shell 1305 is fixedly connected, containment vessel 1305 around between upper fixing element 1301 and lower fixture 1302, the work of containment vessel 1305
With being：Connection upper fixing element 1301 and lower fixture 1302, while the connecting portion 132 inside protection and motion portion 131, place outer
The pollutants such as portion's dust, mud are entered inside preventer actuator 100, it is to avoid parts are damaged.Connecting portion 132 is telescoping cylinder,
Any one in fixed part 130 and motion portion 131 is fixed with telescoping cylinder.That is, telescoping cylinder both can be with fixed part 130
It is fixed, it is also possible to fix with motion portion 131.
Further, in order to ensure the robust motion in motion portion 131, connecting portion 132 includes at least two hydraulic jacks,
Hydraulic jack includes piston rod 1323 and cylinder barrel 1324, and piston rod 1323 is solid with upper fixing element 1301 and/or lower fixture 1302
Fixed connection, cylinder barrel 1324 fix with motion portion 131 and can drive motion portion 131 away from or near upper fixing element 1301.Also
It is to say, piston rod 1323 both can be fixedly connected with upper fixing element 1301, it is also possible to be fixedly connected with lower fixture 1302, may be used also
To be fixedly connected with upper fixing element 1301 and lower fixture 1302, cylinder barrel 1324 is slidably connected with motion portion 131 and can
Drive motion portion 131 away from or near upper fixing element 1301.It is pointed out that cylinder barrel 1324 divides with the connection in motion portion 131
For various, cylinder barrel 1324 both can be fixed with motion portion 131, it is also possible to be slidably connected with motion portion 131.Hydraulic jack can
Think two-way cylinder, or one-way cylinder.When hydraulic jack is two-way cylinder, the quantity of hydraulic jack can be two
Individual (can also be four), the position of two hydraulic jacks can be various ways, and two hydraulic jacks can be with upper fixing element
1301 are fixedly connected, it is also possible to be fixedly connected with lower fixture 1302, or a hydraulic jack is fixed with upper fixing element 1301
Connection, another hydraulic jack is fixedly connected with lower fixture 1302.When hydraulic jack is one-way cylinder, hydraulic jack
Quantity be necessary for even number, and the position of hydraulic jack is also relatively-stationary, i.e., at least two hydraulic jacks are located at respectively
Between upper fixing element 1301 and motion portion 131, between lower fixture 1302 and motion portion 131.
Used as the alternative of the present embodiment, the quantity of hydraulic jack is four, and four hydraulic jacks are one-way cylinder,
I.e. four hydraulic jacks are respectively two and open oil cylinder 1321 and two closing oil cylinders 1322, as shown in fig. 7, opening oil cylinder 1321
Between upper fixing element 1301 and motion portion 131, as shown in figure 8, closing oil cylinder 1322 is located at lower fixture 1302 with motion
Between portion 131.The piston rod 1323 for opening oil cylinder 1321 is fixedly connected with upper fixing element 1301, opens the cylinder barrel of oil cylinder 1321
1324 are slidably connected with motion portion 131；The piston rod 1323 for closing oil cylinder 1322 is fixedly connected with lower fixture 1302, closes
The cylinder barrel 1324 for closing oil cylinder 1322 is slidably connected with motion portion 131.
Further, upper fixing element 1301 offer through open oil cylinder 1321 piston rod 1323 and with open oil cylinder
First oil duct 1303 (as shown in Figure 7) of 1321 connection of cylinder barrel 1324, lower fixture 1302 is offered through closing oil cylinder
1322 piston rod 1323 and the second oil duct 1304 (as shown in Figure 8) connected with the cylinder barrel 1324 for closing oil cylinder 1322.First
Oil duct 1303 and the second oil duct 1304 are arranged around bushing 111, the effect of the first oil duct 1303 and the second oil duct 1304 be for
Hydraulic jack provides the passage that hydraulic oil is entered.
Further, motion portion 131 is square structure, and motion portion 131 includes four connecting seats, and four connecting seats distinguish position
In the corner in motion portion 131, four connecting seats include that the first connecting seat 1311 (as shown in Figure 7) in diagonal distribution and second connects
Joint chair 1313 (as shown in Figure 8), the first connecting seat 1311 offers the first sliding cavity 1312 being open towards upper fixing element 1301,
Second connecting seat 1313 offers the second sliding cavity 1314 being open towards lower fixture 1302, opens the cylinder barrel of oil cylinder 1321
1324 are slidably arranged in the first sliding cavity 1312, and the cylinder barrel 1324 for closing oil cylinder 1322 is slidably arranged on the second cunning
In dynamic chamber 1314.Because cylinder barrel 1324 is slidably connected in the presence of hydraulic oil with motion portion 131, when cylinder barrel 1324 is
When the diapire that cylinder barrel 1324 is slid in one sliding cavity 1312 or the second sliding cavity 1314 is contacted with motion portion 131, cylinder barrel 1324
Diapire to motion portion 131 produce impulsive force.In order to buffer the impulsive force of the diapire of cylinder barrel 1324 and motion portion 131, preventer is held
Row device 100 also includes buffering boss 133, and the quantity for buffering boss 133 is four, and buffering boss 133 slides respectively positioned at first
In the sliding cavity 1314 of chamber 1312 and second, buffer boss 133 and be located between the diapire of cylinder barrel 1324 and motion portion 131.Buffering is convex
The connected mode of platform 133 can be various ways, and buffering boss 133 can be fixedly connected with cylinder barrel 1324, it is also possible to cylinder barrel
1324 are integrally formed.
It is arranged at because motion portion 131 is mobilizable between upper fixing element 1301 and lower fixture 1302, in order to adjust fortune
The movement travel in dynamic portion 131, as shown in figure 8, in the present embodiment, preventer actuator 100 also includes stroke adjustment part, stroke
Regulating part includes the stroke regulating lever 14 being threadedly coupled with fixed part 130, and stroke regulating lever 14 is through fixed part 130 and can support
Motion portion 131 is connected to, stroke regulating lever 14 is located at upper fixing element 1301 and lower fixture 1302.
Further, in order to reduce vibration of the actuator during normal use is driven on top and prevent actuator non-rotating
Part rotates with preventer, as shown in figure 1, being provided with anti-twisted seat 15 on lower fixture 1302, anti-twisted seat 15 drives body with top
Fixed, i.e., top is driven in main shaft rotary course, and the on-rotatably moving part of actuator is in relative static conditions.
The operation principle of the embodiment of the present invention is：
Bushing 111 is fixedly connected with blowout preventer body and follows blowout preventer body to rotate, and moving parts 13 can with bushing 111
The connection of slip, moving parts 13 are static relative to bushing 111 when bushing 111 is rotated, and hydraulic jack drives motion portion 131
Slide along bushing 111, motion portion 131 moves along a straight line with carry-over bar seat 122, linear motion is converted to gear 121 by tooth bar seat 122
Rotate, so as to be turned on and off preventer.
It is pointed out that in whole work process, hydraulic system is sealed into static seal, and hydraulic oil can enter oil
In cylinder, power is provided for hydraulic jack, so as to complete being turned on and off for preventer.
The embodiment of the present invention has the beneficial effect that：
A kind of preventer actuator 100 is present embodiments provided, including the bushing 111 and hydraulic oil of slidable connection
Cylinder, bushing 111 is fixedly connected with blowout preventer body, and hydraulic jack is static relative to bushing 111, when using the preventer actuator
When 100 preventer works, hydraulic jack can drive executive module 12 to complete being turned on and off for preventer.
Second embodiment
The present embodiment provides a kind of preventer 200, including blowout preventer body 210, expansion set component 220 and first embodiment are carried
For preventer actuator 100, preventer actuator 100 is fixedly connected with blowout preventer body 210 by expansion set component 220.
In the present embodiment, in order to cause preventer actuator 100 and the stable connection of blowout preventer body 210, anti-
Expansion set component 220 is provided between spray apparatus body 210 and preventer actuator 100, expansion set component 220 is sheathed on blowout preventer body
It is connected outside 210 and with preventer actuator 100.
Further, expansion set component 220 includes two expansion sleeves being correspondingly arranged, and the cross section of expansion sleeve is taper knot
Structure, the conical surface laminating of two expansion sleeves, expansion sleeve is rubber swelling set, with elasticity.Two expansion sleeves respectively with preventer sheet
Body 210 and bushing 111 connect, the process of the interface such as this connected mode need not be slotted on blowout preventer body 210, perforate,
It is harmless to blowout preventer body 210.Because preventer 200 will bear high pressure and very high axial load in normal work,
Therefore, blowout preventer body 210 is had very important significance using not damaged connection tool.
The embodiment of the present invention has the beneficial effect that：
A kind of preventer 200 that the present embodiment is provided, blowout preventer body 210 adopts not damaged with preventer actuator 100
Connection, it is harmless to blowout preventer body 210, and blowout preventer body 210 and the stable connection of preventer actuator 100, can inhale
Receive axial load.
In sum, a kind of preventer actuator 100 and preventer 200 are embodiments provided, using the blowout prevention
In rotation process, the relative blowout preventer body 210 of moving parts 13 remains static the preventer 200 of device actuator 100, transports
Dynamic component 13 can drive the second executive item to slide along bushing 111, and the linear motion of the second executive item is converted to into first
The rotation of executive item, so that the first executive item can carry out being turned on and off behaviour when top drive main shaft rotates to preventer 200
Make, meet use demand.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of preventer actuator, is applied to preventer, it is characterised in that including fixation kit, executive module and exercise group
Part；
The fixation kit includes the bushing for fixing with preventer；
The executive module includes the first executive item and the second executive item for cooperating, and first executive item rotatably connects
It is connected to the bushing and for controlling being turned on and off for preventer, second executive item is slidably connected with the bushing
And second executive item along the casing slip when first executive item can be driven to rotate；
The moving parts include fixed part, motion portion and connecting portion, and the fixed part is rotatably sheathed on the bushing, institute
State motion portion and be rotatably sheathed on second executive item, the connecting portion be used to driving the motion portion away from or near institute
State fixed part and make second executive item along the casing slip.
2. preventer actuator according to claim 1, it is characterised in that the fixed part includes upper fixing element and lower solid
Determine part, fixed part is fixed with the lower fixture, and fixed part is fixed with the bushing and can by upper bearing (metal)
The connection of rotation, the motion portion is fixed with second executive item and is rotatably connected by lower bearing, the motion portion
It is mobilizable to be arranged between fixed part and the lower fixture, the connecting portion be telescoping cylinder, the fixed part with
Any one in the motion portion is fixed with the telescoping cylinder.
3. preventer actuator according to claim 2, it is characterised in that the connecting portion includes at least two hydraulic oil
Cylinder, the hydraulic jack is rotationally symmetrical around the bushing, and the hydraulic jack includes piston rod and cylinder barrel, the piston rod with
Fixed part and/or the lower fixture are fixedly connected, and the cylinder barrel is slidably connected with the motion portion and can
Drive the motion portion away from or near fixed part.
4. preventer actuator according to claim 3, it is characterised in that the quantity of the hydraulic jack is four, four
The individual hydraulic jack be respectively two open oil cylinders and two closing oil cylinders, the unlatching oil cylinder be located at fixed part with
Between the motion portion, the closing oil cylinder is located between the lower fixture and the motion portion, the institute for opening oil cylinder
State piston rod to be fixedly connected with fixed part, the cylinder barrel for opening oil cylinder slidably connects with the motion portion
Connect, it is described close oil cylinder the piston rod be fixedly connected with the lower fixture, it is described close oil cylinder the cylinder barrel and institute
State motion portion slidably to connect.
5. preventer actuator according to claim 4, it is characterised in that fixed part is offered to be opened through described
The first oil duct for opening the piston rod of oil cylinder and connecting with the cylinder barrel of the unlatching oil cylinder, the lower fixture is offered
The second oil duct connected through the piston rod for closing oil cylinder and with the cylinder barrel of the closing oil cylinder.
6. preventer actuator according to claim 4, it is characterised in that the motion portion is square structure, the fortune
Dynamic portion includes four connecting seats, and respectively positioned at the corner in the motion portion, four connecting seats include four connecting seats
The first connecting seat in diagonal distribution and the second connecting seat, first connecting seat offers opening towards fixed part
First sliding cavity, second connecting seat offers the second sliding cavity being open towards the lower fixture, the unlatching oil cylinder
The cylinder barrel be located at first sliding cavity in, it is described close oil cylinder the cylinder barrel be located at second sliding cavity in, institute
State and buffering boss is provided with the first sliding cavity and second sliding cavity, the buffering boss is located at the unlatching oil cylinder
Between the diapire of the cylinder barrel of the diapire of cylinder barrel and/or the closing oil cylinder and the motion portion.
7. preventer actuator according to claim 1, it is characterised in that the preventer actuator is also adjusted including stroke
Section part, the stroke adjustment part includes the stroke regulating lever being threadedly coupled with the fixed part, and the stroke regulating lever runs through institute
State fixed part and the motion portion can be connected to.
8. preventer actuator according to claim 1, it is characterised in that first executive item includes gear, described
Second executive item includes tooth bar seat and is fixed on the tooth bar of the tooth bar seat, and the tooth bar is engaged with the gear, the tooth bar
Seat be slidably connected with the bushing and the tooth bar seat along the casing slip when can drive the pinion rotation, it is described
Gear includes engaging tooth and circular arc boss, and the engaging tooth is with the circular arc boss along the circumferentially extending of the gear, the tooth
Bar seat is provided with groove corresponding with the circular arc boss, and the groove extends along the direction that second executive item is moved.
9. a kind of preventer, it is characterised in that including described in blowout preventer body, expansion set component and claim 1-8 any one
Preventer actuator, the preventer actuator is fixedly connected with the blowout preventer body by the expansion set component.
10. preventer according to claim 9, it is characterised in that the expansion set component include two be correspondingly arranged it is swollen
Expansion set, the cross section of the expansion sleeve is pyramidal structure, and the conical surface of two expansion sleeves fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177155.6A CN106639959B (en) | 2017-03-23 | 2017-03-23 | Blowout preventer actuator and blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177155.6A CN106639959B (en) | 2017-03-23 | 2017-03-23 | Blowout preventer actuator and blowout preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639959A true CN106639959A (en) | 2017-05-10 |
| CN106639959B CN106639959B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177155.6A Active CN106639959B (en) | 2017-03-23 | 2017-03-23 | Blowout preventer actuator and blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639959B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558944A (en) * | 2017-10-13 | 2018-01-09 | 北京中车重工机械有限公司 | A kind of oil top driving device and inner blowout preventer drive assembly |
| CN112943149A (en) * | 2021-01-22 | 2021-06-11 | 四川宏华石油设备有限公司 | Top drive internal blowout preventer switching device |
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| SU1089240A1 (en) * | 1983-01-13 | 1984-04-30 | Волгоградский завод буровой техники | Hydraulic system for controlling underwater blowout-preventing equipment |
| CN201521275U (en) * | 2009-09-28 | 2010-07-07 | 张宝有 | Drilling top drive blowout prevention switch |
| CN102561964A (en) * | 2012-01-05 | 2012-07-11 | 焦作锦标机械制造有限公司 | Driving device assembly of mud pump valve |
| CN203335013U (en) * | 2013-07-01 | 2013-12-11 | 四川宏华石油设备有限公司 | Top-drive blowout preventer switch for drilling machine |
| CN204212737U (en) * | 2014-10-21 | 2015-03-18 | 中国石油天然气集团公司 | Blowout prevention valve control device is driven on a kind of rack-driving anti-loosing type top |
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2017
- 2017-03-23 CN CN201710177155.6A patent/CN106639959B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1089240A1 (en) * | 1983-01-13 | 1984-04-30 | Волгоградский завод буровой техники | Hydraulic system for controlling underwater blowout-preventing equipment |
| CN201521275U (en) * | 2009-09-28 | 2010-07-07 | 张宝有 | Drilling top drive blowout prevention switch |
| CN102561964A (en) * | 2012-01-05 | 2012-07-11 | 焦作锦标机械制造有限公司 | Driving device assembly of mud pump valve |
| CN203335013U (en) * | 2013-07-01 | 2013-12-11 | 四川宏华石油设备有限公司 | Top-drive blowout preventer switch for drilling machine |
| CN204212737U (en) * | 2014-10-21 | 2015-03-18 | 中国石油天然气集团公司 | Blowout prevention valve control device is driven on a kind of rack-driving anti-loosing type top |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558944A (en) * | 2017-10-13 | 2018-01-09 | 北京中车重工机械有限公司 | A kind of oil top driving device and inner blowout preventer drive assembly |
| CN112943149A (en) * | 2021-01-22 | 2021-06-11 | 四川宏华石油设备有限公司 | Top drive internal blowout preventer switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106639959B (en) | 2023-03-21 |
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