CN111485846A - Convenient to use's blowout preventer for subsea tree - Google Patents
Convenient to use's blowout preventer for subsea tree Download PDFInfo
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- CN111485846A CN111485846A CN202010346756.7A CN202010346756A CN111485846A CN 111485846 A CN111485846 A CN 111485846A CN 202010346756 A CN202010346756 A CN 202010346756A CN 111485846 A CN111485846 A CN 111485846A
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- 241000191291 Abies alba Species 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000005389 magnetism Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- 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
- E21B33/064—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers specially adapted for underwater well heads
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- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
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Abstract
The invention discloses a blowout preventer convenient to use for an underwater Christmas tree, which comprises a blowout preventer, wherein the top of the blowout preventer is fixedly connected with a first vertical pipe, the outer wall of a branch pipe at the top of the Christmas tree is fixedly connected with a first connecting plate, and the top of the first connecting plate is provided with a fixing component. This convenient to use's preventer for production tree under water, through the preventer, the cooperation of first connecting plate and fixed subassembly, the one-way joint of accessible wedge draw-in groove and wedge bayonet lock, make quick joint support tightly between first connecting plate and the second connecting plate, and then realize the quick assembly disassembly to preventer and production tree, and then reduce the dismouting degree of difficulty, promote dismouting efficiency, the quick assembly disassembly of accessible preventer and production tree, realize quick maintenance and the clearance to preventer and production tree, and then guarantee the work continuation and the stability of the two, through the preventer, first standpipe, the cooperation of first connecting plate and secondary protection subassembly, can play the secondary guard action, further avoid the fluid blowout phenomenon to take place.
Description
Technical Field
The invention relates to the technical field of a blowout preventer for an underwater Christmas tree, which is convenient to use, in particular to a blowout preventer for an underwater Christmas tree, which is convenient to use.
Background
The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well repairing, well completion and the like to prevent blowout accidents and blowout accidents, integrates the full sealing function and the half sealing function into a whole, has the characteristics of simple structure, easy operation, high pressure resistance and the like, and is a wellhead device of a safety sealing wellhead device for preventing blowout, which is commonly used in oil fields and oil fields.
Convenient to use's blowout preventer for subsea tree among the prior art is when using, can't realize the quick assembly disassembly to blowout preventer and christmas tree, and then increase the dismouting degree of difficulty, reduce dismouting efficiency, and then lead to the dismouting time long, and be not convenient for to the quick overhaul and the clearance of blowout preventer and christmas tree, and then influence the work continuation and the stability of the two, can't play the secondary guard action simultaneously, make the easy blowout phenomenon of taking place of fluid when blowout preventer trouble, and then inconvenient people use.
Disclosure of Invention
The invention aims to provide a blowout preventer for an underwater Christmas tree, which is convenient to use, and aims to solve the problems that the blowout preventer and the Christmas tree cannot be quickly disassembled and assembled when the blowout preventer for the underwater Christmas tree, which is provided by the background art and is convenient to use, in the prior art is used, the disassembly and assembly difficulty is increased, the disassembly and assembly efficiency is reduced, the disassembly and assembly time is long, the blowout preventer and the Christmas tree are inconvenient to quickly overhaul and clean, and the working continuity and the stability of the blowout preventer and the Christmas tree are influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a blowout preventer convenient to use for an underwater Christmas tree comprises a blowout preventer, wherein a first vertical pipe is fixedly connected to the top of the blowout preventer, a second vertical pipe is fixedly connected to the bottom of the blowout preventer, the bottom of the second vertical pipe is communicated with a top branch pipe of the Christmas tree, a first connecting plate is fixedly connected to the outer wall of the top branch pipe of the Christmas tree, and a fixing assembly is arranged at the top of the first connecting plate;
the fixing assembly comprises a second connecting plate, a rubber pad, a vertical hole, a vertical rod, a wedge-shaped clamping groove, a wedge-shaped clamping pin, a square cross rod, a vertical plate, a first compression spring and a shifting rod;
the inner wall of the second connecting plate is fixedly connected with the lower part of the outer wall of the second vertical pipe, the bottom of the second connecting plate and the top of the first connecting plate are clamped with a rubber pad, a vertical hole is arranged in the second connecting plate and is processed on the inner side of the second connecting plate, a vertical rod is in clearance fit with the inner wall of the vertical hole, the bottom of the vertical rod is fixedly connected with the inner side of the top of the first connecting plate, a wedge-shaped clamping groove is processed on the outer end of the vertical rod, a wedge-shaped clamping pin is clamped on the inner wall of the wedge-shaped clamping groove, a square cross rod is fixedly connected with the outer end of the wedge-shaped clamping pin, a vertical plate is in clearance fit with the outer wall of the square cross rod, the bottom of the vertical plate is fixedly connected with the top of the second connecting plate, a first compression spring is sleeved on the outer wall of the square cross rod, and deflector rods are fixedly connected to the outer sides of the tops of the square cross rods.
Preferably, the vertical holes and the vertical rods form a sliding structure, and the vertical rods are distributed in an annular and equidistant mode.
Preferably, the wedge-shaped clamping grooves are longitudinally and equidistantly distributed relative to the vertical rod, and the contact surfaces of the wedge-shaped clamping grooves and the wedge-shaped clamping pins are inclined planes.
Preferably, a second protection component is arranged on the inner wall of the first vertical pipe;
the secondary protection assembly comprises a through hole, a rubber ball, a curved bar, a frame body, a sliding block, a rotating bar, a rotating plate, a round gear, a hollow rack, a straight bar, a second compression spring, a convex block, a magnet and an electromagnet;
the through hole is processed at the top of the second vertical pipe, a rubber round ball is in interference fit with the inner wall of the through hole, a curved rod is fixedly connected to the bottom of the rubber round ball, a frame body is fixedly connected to the tail end of the curved rod, the outer wall of the frame body is in clearance fit with the inner wall of the second vertical pipe, a sliding block is fixedly connected to the outer end of the frame body, the outer end of the sliding block is in clearance fit with a sliding groove preset in the inner wall of the first vertical pipe, a rotating rod is rotatably connected to the inner wall of the frame body, a rotating plate is fixedly connected to the outer wall of the rotating rod, the outer wall of the rotating plate is in clearance fit with the inner wall of the frame body, a round gear is fixedly connected to the rear portion of the outer wall of the rotating rod, a hollow rack is connected to the bottom of the round gear in a meshed mode, a straight rod is in clearance fit with the, the top of the lug is fixedly connected with the bottom of the frame body, the right end of the hollow rack is fixedly connected with a magnet, the right end of the magnet is magnetically connected with an electromagnet, and the top of the electromagnet is fixedly connected with the right side of the bottom of the frame body.
Preferably, the outer ring teeth of the circular gear are matched with the top teeth of the hollow rack in shape, and the circular gear and the hollow rack are always in a meshed state.
Preferably, the through hole is a tapered hole.
Compared with the prior art, the invention has the beneficial effects that: this convenient to use's blowout preventer for production tree under water, structure scientific and reasonable, convenience safe in utilization:
1. this convenient to use's preventer for production tree under water, through preventer, first standpipe, second standpipe, production tree, first connecting plate and fixed subassembly's cooperation for the device is when using, and the one-way joint of accessible wedge draw-in groove and wedge bayonet lock makes quick joint support tightly between first connecting plate and the second connecting plate, and then realizes the quick assembly disassembly to preventer and production tree, and then reduces the dismouting degree of difficulty, promotes dismouting efficiency, saves the dismouting time by a wide margin.
2. This convenient to use's preventer for subsea tree is through preventer, first standpipe, second standpipe, christmas tree, first connecting plate and fixed subassembly's cooperation for the device is when using, and the quick assembly disassembly of accessible preventer and christmas tree realizes the quick maintenance and the clearance to preventer and christmas tree, and then guarantees the work continuation and the stability of the two.
3. This convenient to use's preventer for production tree under water, through preventer, first standpipe, the second standpipe, the production tree, first connecting plate and secondary protection component's cooperation, make the device when using, the electro-magnet circular telegram when preventer breaks down, and then drive through bar rack and circular gear and change the board and rotate to vertical state from the horizontality, and then drive rubber ball and through-hole interference fit through blockking to fluid, and then play the secondary guard action, further avoid fluid blowout phenomenon to take place, and then make things convenient for people to use.
4. This convenient to use's preventer for production tree under water pegs graft mutually with second standpipe and production tree top branch pipe to insert the montant respectively in the montant, through the clearance fit of square horizontal pole with the riser, and first compression spring's setting, make the wedge bayonet lock possess inside gliding power, and then constitute one-way joint structure with the wedge draw-in groove, and then make first connecting plate and second connecting plate press from both sides the rubber pad tightly, make preventer and production tree can realize the high-speed joint.
5. This convenient to use's preventer for production tree under water, can outwards stir the driving lever and can realize wedge draw-in groove and wedge bayonet lock joint separation when needs are dismantled, when preventer inner structure damages, the electro-magnet circular telegram, and then produce magnetic adsorption power to magnet, make hollow rack slide right and drive circular gear rotation degree, and then make the rotor plate be the horizontality, and then block fluid, setting through the slider, make bottom fluid drive the framework upward and go up to go up when dashing, realize rubber ball and through-hole interference fit, and then play the secondary protective action, further avoid the blowout, when preventer work is just being normal, kick-back through second compression spring makes circular gear reversal, and then make the rotor plate keep vertical, and then make things convenient for people to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the through hole, the rubber ball and the straight rod in FIG. 1;
FIG. 3 is a schematic view of the second vertical tube, the first connecting plate and the vertical rod of FIG. 1;
FIG. 4 is a schematic view of the circular gear, hollow rack and frame of FIG. 1;
FIG. 5 is a schematic structural view of the slide block, the first vertical tube and the frame of FIG. 1;
fig. 6 is a schematic structural view of the vertical rod, the wedge-shaped clamping pin and the wedge-shaped clamping groove in fig. 1.
In the figure: 1. blowout preventer, 2, first standpipe, 3, second standpipe, 4, christmas tree, 5, first connecting plate, 6, fixed subassembly, 601, second connecting plate, 602, rubber pad, 603, riser, 604, montant, 605, wedge draw-in groove, 606, wedge bayonet lock, 607, horizontal pole, 608, riser, 609, first compression spring, 610, driving lever, 7, secondary protection subassembly, 701, through-hole, 702, rubber ball, 703, curved bar, 704, framework, 705, slider, 706, bull stick, 707, swivel plate, 708, circular gear, 709, hollow rack, 710, straight pole, 711, second compression spring, 712, lug, 713, magnet, 714, electro-magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the invention provides a blowout preventer for an underwater Christmas tree, which is convenient to use, and comprises a blowout preventer 1, wherein the type of the blowout preventer 1 is S L X72-70, a first vertical pipe 2 is fixedly connected to the top of the blowout preventer 1, a second vertical pipe 3 is fixedly connected to the bottom of the blowout preventer 1, the bottom of the second vertical pipe 3 is communicated with a top branch pipe of a Christmas tree 4, a first connecting plate 5 is fixedly connected to the outer wall of the top branch pipe of the Christmas tree 4, and a fixing assembly 6 is arranged at the top of the first connecting plate 5.
The fixing component 6 comprises a second connecting plate 601, a rubber pad 602, a vertical hole 603, a vertical rod 604, a wedge-shaped clamping groove 605, a wedge-shaped clamping pin 606, a square cross rod 607, a vertical plate 608, a first compression spring 609 and a shifting rod 610, wherein the inner wall of the second connecting plate 601 is fixedly connected with the lower part of the outer wall of the second vertical pipe 3, the bottom of the second connecting plate 601 is clamped with the top of the first connecting plate 5 to form a rubber pad 602, the rubber pad 602 is used for sealing the first connecting plate 5 and the second connecting plate 601, the second connecting plate 602 is internally provided with the vertical hole 603, the vertical hole 603 is processed on the inner side of the second connecting plate 601, the vertical rod 604 is in clearance fit with the inner wall of the vertical hole 603, the vertical hole 603 and the vertical rod 604 form a sliding structure, and the vertical rods 604 are distributed in an annular equidistant manner, so that the first connecting plate 5 and the second connecting plate 602 can be quickly, the outer end of the vertical rod 604 is processed with a wedge-shaped clamping groove 605, the wedge-shaped clamping grooves 605 are longitudinally and equidistantly distributed relative to the vertical rod 604, the contact surface between the wedge-shaped clamping groove 605 and the wedge-shaped clamping pin 606 is an inclined surface, the design is such that the wedge-shaped clamping groove 605 and the wedge-shaped clamping pin 606 form a one-way clamping structure, the second connecting plate 601 is inserted into the vertical rod 603 to enable automatic one-way locking, the inner wall of the wedge-shaped clamping groove 605 is clamped with the wedge-shaped clamping pin 606, the outer end of the wedge-shaped clamping pin 606 is fixedly connected with a square cross rod 607, the outer wall of the square cross rod 607 is in clearance fit with a vertical plate 608, the vertical plate 608 plays a guiding role in the square cross rod 607, the bottom of the vertical plate 608 is fixedly connected with the top of the second connecting plate 601, the outer wall of the square cross rod 607 is sleeved with a first compression spring, the outside of the top of the square cross bar 607 is fixed with a deflector rod 610.
The inner wall of the first vertical pipe 2 is provided with a second protection component 7, the secondary protection component 7 comprises a through hole 701, a rubber ball 702, a curved rod 703, a frame body 704, a sliding block 705, a rotating rod 706, a rotating plate 707, a circular gear 708, a hollow rack 709, a straight rod 710, a second compression spring 711, a convex block 712, a magnet 713 and an electromagnet 714, the through hole 701 is processed at the top of the second vertical pipe 2, the through hole 701 is a taper hole which is convenient for abutting and sealing with the rubber ball 702, the inner wall of the through hole 701 is in interference fit with the rubber ball 702, the bottom of the rubber ball 702 is fixedly connected with the curved rod 703, the tail end of the curved rod 703 is fixedly connected with the frame body 704, the outer wall of the frame body 704 is in clearance fit with the inner wall of the second vertical pipe 2, the outer end of the frame body 704 is fixedly connected with the sliding block 705, the outer end of the sliding block 705 is in clearance fit with a sliding groove preset in the inner wall of the first, a rotating plate 707 is fixedly connected to the outer wall of the rotating rod 706, the rotating plate 707 can rotate along with the rotation of the circular gear 708, the outer wall of the rotating plate 707 is in clearance fit with the inner wall of the frame 704, the circular gear 708 is fixedly connected to the rear of the outer wall of the rotating rod 706, outer ring teeth of the circular gear 708 are matched with top teeth of the hollow rack 709, and the circular gear 708 and the hollow rack 709 are always in a meshed state, so that the hollow rack 709 drives the circular gear 708 to rotate, the bottom of the circular gear 708 is meshed and connected with the hollow rack 709, a straight rod 710 is in clearance fit with the inner wall of the hollow rack 709, the right end of the straight rod 710 is fixedly connected with the inner wall of the hollow rack 709 through a second compression spring 711, the second compression spring 711 gives a leftward force to the hollow rack 709, a convex block 712 is fixedly connected to the left side of the top of the straight rod 710, the top of the convex block 712 is fixedly connected with, an electromagnet 714 is magnetically connected to the right end of the magnet 713, and the top of the electromagnet 714 is fixedly connected to the right side of the bottom of the frame 704.
In this embodiment, when the convenient blowout preventer for subsea trees is used, first, the second standpipe 3 is inserted into the top branch pipe of the tree 4, and the vertical rods 604 are inserted into the vertical holes 602, respectively, the first horizontal rod 607 is in clearance fit with the vertical plate 608, and the first compression spring 609 is arranged, so that the wedge-shaped bayonet 606 has an inward sliding force, and further forms a one-way clamping structure with the wedge-shaped bayonet 605, and further the first connecting plate 5 and the second connecting plate 601 clamp the rubber pad 603, so that the blowout preventer 1 and the tree 4 can be quickly connected, when disassembly is required, the shift lever 610 can be pulled outwards to realize clamping separation of the wedge-shaped bayonet 605 and the wedge-shaped bayonet 606, when the internal structure of the blowout preventer 1 is damaged, the electromagnet 614 is energized, and further generates a magnetic adsorption force to the magnet, so that the hollow rack 709 slides rightwards to drive the circular gear 708 to rotate by 90 degrees, and then make the commentaries on classics board 707 be the horizontality, and then block fluid, through the setting of slider 705, make bottom fluid drive framework 704 when upwards dashing up and go up, realize rubber ball 702 and through-hole 701 interference fit, and then play the secondary guard action, further avoid the blowout, when preventer 1 work is normal, kick-back through second compression spring 711 makes circular gear 708 reversal, and then make the commentaries on classics board 708 keep vertical, and then make things convenient for people to use.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A blowout preventer for subsea trees convenient to use, includes blowout preventer (1), its characterized in that: a first vertical pipe (2) is fixedly connected to the top of the blowout preventer (1), a second vertical pipe (3) is fixedly connected to the bottom of the blowout preventer (1), the bottom of the second vertical pipe (3) is communicated with a top branch pipe of the Christmas tree (4), a first connecting plate (5) is fixedly connected to the outer wall of the top branch pipe of the Christmas tree (4), and a fixing assembly (6) is arranged at the top of the first connecting plate (5);
the fixing component (6) comprises a second connecting plate (601), a rubber pad (602), a vertical hole (603), a vertical rod (604), a wedge-shaped clamping groove (605), a wedge-shaped clamping pin (606), a square cross rod (607), a vertical plate (608), a first compression spring (609) and a shifting lever (610);
the inner wall of the second connecting plate (601) is fixedly connected with the lower portion of the outer wall of the second vertical pipe (3), a rubber pad (602) is clamped between the bottom of the second connecting plate (601) and the top of the first connecting plate (5), a vertical hole (603) is formed in the second connecting plate (602), the vertical hole (603) is processed in the inner side of the second connecting plate (601), a vertical rod (604) is in clearance fit with the inner wall of the vertical hole (603), the bottom of the vertical rod (604) is fixedly connected with the inner side of the top of the first connecting plate (5), a wedge-shaped clamping groove (605) is processed at the outer end of the vertical rod (604), a wedge-shaped clamping pin (606) is clamped on the inner wall of the wedge-shaped clamping groove (605), a square cross rod (607) is fixedly connected with the outer end of the wedge-shaped clamping pin (606), a vertical plate (608) is in clearance fit with the outer wall of the square cross rod (607), and the bottom of the vertical plate, the outer wall of the square cross rod (607) is sleeved with a first compression spring (609), the inner end and the outer end of the first compression spring (609) are fixedly connected with the outer end of the wedge-shaped clamping pin (606) and the inner end of the vertical plate (608) respectively, and the outer side of the top of the square cross rod (607) is fixedly connected with a shifting lever (610).
2. The blowout preventer of claim 1, wherein the blowout preventer is adapted to be used for a subsea tree, and further comprises: the vertical holes (603) and the vertical rods (604) form a sliding structure, and the vertical rods (604) are distributed in an annular and equidistant mode.
3. The blowout preventer of claim 1, wherein the blowout preventer is adapted to be used for a subsea tree, and further comprises: the wedge-shaped clamping grooves (605) are longitudinally and equidistantly distributed relative to the vertical rod (604), and the contact surface of the wedge-shaped clamping grooves (605) and the wedge-shaped clamping pins (606) is an inclined surface.
4. The blowout preventer of claim 1, wherein the blowout preventer is adapted to be used for a subsea tree, and further comprises: a second protection component (7) is arranged on the inner wall of the first vertical pipe (2);
the secondary protection component (7) comprises a through hole (701), a rubber round ball (702), a curved rod (703), a frame body (704), a sliding block (705), a rotating rod (706), a rotating plate (707), a round gear (708), a hollow rack (709), a straight rod (710), a second compression spring (711), a convex block (712), a magnet (713) and an electromagnet (714);
the through hole (701) is processed at the top of the second vertical pipe (2), a rubber round ball (702) is in interference fit with the inner wall of the through hole (701), a curved rod (703) is fixedly connected to the bottom of the rubber round ball (702), a frame body (704) is fixedly connected to the tail end of the curved rod (703), the outer wall of the frame body (704) is in clearance fit with the inner wall of the second vertical pipe (2), a sliding block (705) is fixedly connected to the outer end of the frame body (704), the outer end of the sliding block (705) is in clearance fit with a sliding groove preset in the inner wall of the first vertical pipe (2), a rotating rod (706) is rotatably connected to the inner wall of the frame body (704), a rotating plate (707) is fixedly connected to the outer wall of the rotating rod (706), a circular gear (708) is fixedly connected to the rear side of the outer wall of the rotating plate (707) in clearance fit with the inner wall of the frame body (704), and a hollow rack (709) is engaged with the bottom, the inner wall clearance fit of hollow rack (709) has straight-bar (710), the right-hand member of straight-bar (710) passes through second compression spring (711) fixed connection with the inner wall of hollow rack (709), the top left side rigid coupling of straight-bar (710) has lug (712), the top of lug (712) and the bottom fixed connection of framework (704), the right-hand member rigid coupling of hollow rack (709) has magnet (713), the right-hand member magnetism of magnet (713) is connected with electro-magnet (714), the top of electro-magnet (714) and the bottom right side fixed connection of framework (704).
5. The blowout preventer of claim 4, wherein the blowout preventer is adapted to be used for a subsea tree, and comprises: the outer ring teeth of the circular gear (708) are matched with the top teeth of the hollow rack (709), and the circular gear (708) and the hollow rack (709) are always in a meshed state.
6. The blowout preventer of claim 4, wherein the blowout preventer is adapted to be used for a subsea tree, and comprises: the through hole (701) is a tapered hole.
7. The blowout preventer of claim 4, wherein the blowout preventer is adapted to be used for a subsea tree, and comprises: the through hole (701) is a tapered hole.
8. A use method of a blowout preventer for an underwater Christmas tree, which is convenient to use, comprises the following steps: when the convenient-to-use blowout preventer for the subsea tree is used, the second standpipe 3 is firstly inserted into the top branch pipe of the tree 4, the vertical rods 604 are respectively inserted into the vertical holes 602, the wedge-shaped clamping pins 606 have inward sliding force through the clearance fit between the square cross rods 607 and the vertical plates 608 and the arrangement of the first compression springs 609, and then form a one-way clamping structure with the wedge-shaped clamping grooves 605, so that the first connecting plate 5 and the second connecting plate 601 clamp the rubber pads 603, the blowout preventer 1 and the tree 4 can be quickly connected, when disassembly is needed, the driving lever 610 can be pulled outwards to realize the clamping separation of the wedge-shaped clamping grooves 605 and the wedge-shaped clamping pins 606, when the internal structure of the blowout preventer 1 is damaged, the electromagnet 614 is electrified to generate magnetic adsorption force on the magnet, so that the hollow rack 709 slides rightwards to drive the circular gear 708 to rotate 90 degrees, and then the rotating plate 707 is in a horizontal, and then block fluid, through the setting of slider 705 for bottom fluid drives framework 704 and slides on upwards dashing up, realizes rubber ball 702 and through-hole 701 interference fit, and then plays the secondary guard action, further avoids the blowout, and when preventer 1 work is normal, kick-backs through second compression spring 711 and makes circular gear 708 reverse, and then makes commentaries on classics board 708 keep vertical, and then makes things convenient for people to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010346756.7A CN111485846A (en) | 2020-04-28 | 2020-04-28 | Convenient to use's blowout preventer for subsea tree |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010346756.7A CN111485846A (en) | 2020-04-28 | 2020-04-28 | Convenient to use's blowout preventer for subsea tree |
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| CN111485846A true CN111485846A (en) | 2020-08-04 |
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| CN202010346756.7A Withdrawn CN111485846A (en) | 2020-04-28 | 2020-04-28 | Convenient to use's blowout preventer for subsea tree |
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| CN (1) | CN111485846A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093227A (en) * | 2020-09-09 | 2020-12-18 | 董昌民 | Improved structure of anti-collision cosmetic box |
| CN112797147A (en) * | 2021-03-10 | 2021-05-14 | 易竹兰 | Light explosion-proof new energy vehicle power transmission device in front-wheel drive mode |
| CN114575790A (en) * | 2022-02-22 | 2022-06-03 | 王福连 | Wellhead Christmas tree with flow rate overload closing function for oil production well of oil field |
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| GB9903128D0 (en) * | 1999-02-11 | 1999-04-07 | Fmc Corp | Large bore subsea christmas tree and tubing hanger system |
| CN101575954A (en) * | 2009-06-05 | 2009-11-11 | 中国石油集团川庆钻探工程有限公司 | Connecting device of side door of ram blowout preventer and shell of ram blowout preventer |
| CN104712285A (en) * | 2015-03-25 | 2015-06-17 | 河北华北石油荣盛机械制造有限公司 | Quickly-connected side door type gate plate blowout preventer |
| CN106744431A (en) * | 2016-12-28 | 2017-05-31 | 徐丽亚 | Oil exploitation well head quick locking steel wire rope multiple protector |
| CN107989569A (en) * | 2017-12-01 | 2018-05-04 | 王鲁洋 | A kind of coiled tubing dynamic sealing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9903128D0 (en) * | 1999-02-11 | 1999-04-07 | Fmc Corp | Large bore subsea christmas tree and tubing hanger system |
| CN101575954A (en) * | 2009-06-05 | 2009-11-11 | 中国石油集团川庆钻探工程有限公司 | Connecting device of side door of ram blowout preventer and shell of ram blowout preventer |
| CN104712285A (en) * | 2015-03-25 | 2015-06-17 | 河北华北石油荣盛机械制造有限公司 | Quickly-connected side door type gate plate blowout preventer |
| CN106744431A (en) * | 2016-12-28 | 2017-05-31 | 徐丽亚 | Oil exploitation well head quick locking steel wire rope multiple protector |
| CN107989569A (en) * | 2017-12-01 | 2018-05-04 | 王鲁洋 | A kind of coiled tubing dynamic sealing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093227A (en) * | 2020-09-09 | 2020-12-18 | 董昌民 | Improved structure of anti-collision cosmetic box |
| CN112797147A (en) * | 2021-03-10 | 2021-05-14 | 易竹兰 | Light explosion-proof new energy vehicle power transmission device in front-wheel drive mode |
| CN112797147B (en) * | 2021-03-10 | 2022-11-22 | 河北翼凌机械制造总厂 | Light-duty explosion-proof new forms of energy vehicle power transmission of forerunner's mode |
| CN114575790A (en) * | 2022-02-22 | 2022-06-03 | 王福连 | Wellhead Christmas tree with flow rate overload closing function for oil production well of oil field |
| CN114575790B (en) * | 2022-02-22 | 2025-02-07 | 盖易得(无锡)阀门有限公司 | A wellhead Christmas tree with flow rate overload shut-off function for oil field production wells |
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Application publication date: 20200804 |