CN207892566U - A kind of well mouth sealing device of blowout prevention - Google Patents
A kind of well mouth sealing device of blowout prevention Download PDFInfo
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- CN207892566U CN207892566U CN201820095501.6U CN201820095501U CN207892566U CN 207892566 U CN207892566 U CN 207892566U CN 201820095501 U CN201820095501 U CN 201820095501U CN 207892566 U CN207892566 U CN 207892566U
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- bearing
- fixed plate
- fixedly connected
- connection box
- blowout prevention
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Abstract
The utility model discloses a kind of well mouth sealing devices of blowout prevention, including well head pipe, it is placed with connection box above the well head pipe, connection cassette bottom offers through-hole in the middle part of face, connection cassette bottom is fixedly connected with position-limiting tube in the middle part of face, and position-limiting tube and through-hole, the top of well head pipe are connected through position-limiting tube and with through-hole, the inner bottom wall for connecting box is fixedly connected with that there are two symmetrical first bearings.The well mouth sealing device of the blowout prevention, preferably the device can be installed to well head pipe, preferably interface is fixed, it avoids the problem that causing leakage during use, rotation axis can be driven to be rotated when oil enters, to to the flow velocity of oil and pressure into row buffering, more efficient allows rotation axis to be rotated, it avoids the problem that causing rotation interim card during use and blocking, preferably second bearing and 3rd bearing can be fixed, preferably the device can be sealed and opening takes oil.
Description
Technical field
The utility model relates to petroleum technology field, specially a kind of well mouth sealing device of blowout prevention.
Background technology
Oil is the buried fluid mineral in underground, and initial people claim oil the oily liquids mineral that nature generates,
Claim natural gas fuel gas, claim pitch, oil to be important energy source solid combustible oil mineral, with coal facies ratio, there is energy
The advantages that smaller to the pollution level of air after density is big, shipping storage is convenient and burning, the fuel oil refined from oil is
Means of transport, station boiler, metallurgical industry and the various kilns of building material industry main fuel, in the process of oil exploitation
In, a kind of device is often may require that limit well head, prevents its ejection.
Existing blowout preventer borehole apparatus during use, be easy to cause that oil flow is too fast, and blowout prevention performance is bad, is
This, we have proposed a kind of well mouth sealing devices of blowout prevention, to solve the problems, such as this.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of well mouth sealing device of blowout prevention, solves existing
The bad problem of blowout preventer borehole apparatus blowout prevention performance.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions：A kind of well mouth sealing device of blowout prevention, including
Well head pipe is placed with connection box above the well head pipe, through-hole, the connection box is offered in the middle part of the connection cassette bottom face
Position-limiting tube, and position-limiting tube and through-hole are fixedly connected in the middle part of bottom surface, the top of the well head pipe is through position-limiting tube and and through-hole
Be connected, the inner bottom wall of the connection box is fixedly connected there are two symmetrical first bearing, each first bearing it is interior
Circle has been fixedly connected with bull stick, and the inside of the connection box is fixedly connected with the first fixed plate, the bottom surface of first fixed plate
Fixed to inlay there are two symmetrical second bearing, the upper surface of the connection box, which is fixed, to be connected to there are two symmetrical conduit,
Top box is placed with above the connection box, and the one end of two conduits far from connection box is fixed with the bottom surface of top box and is connected to,
The inside of the top box is fixedly connected with the second fixed plate, and the bottom surface fixation of each second fixed plate is inlaid with third axis
It holds, each one end of the bull stick far from first bearing sequentially passes through second bearing, conduit and 3rd bearing and extends to the
The top of two fixed plates.
Preferably, the inner roof wall of the top box is fixedly connected there are two symmetrical fourth bearing, and two bull sticks are remote
Outer surface from first bearing one end is fixedly connected with the inner ring of two fourth bearings respectively.
Preferably, the outer surface of the bull stick has been fixedly connected with rotation axis, and two rotation axis are located at two and lead
The inside of pipe.
Preferably, the middle part of the top box upper surface, which is fixed, is communicated with flowline, and the outer surface of the flowline, which is fixed, to be connected
It is connected to valve.
Preferably, the upper surface of the top box is parallel with the connection upper surface of box, and the size of top box and connection box
It is equal in magnitude.
Preferably, the upper surface of first fixed plate is parallel with the bottom surface of the second fixed plate, and the first fixed plate
Horizontal length value is equal to the horizontal length value of the second fixed plate.
(3) advantageous effect
The utility model provides a kind of well mouth sealing device of blowout prevention, has following advantageous effect：
(1) well mouth sealing device of the blowout prevention, by being provided with well head pipe, with the use of connection box, position-limiting tube and through-hole,
Preferably the device can be installed to well head pipe, by the position-limiting tube being provided with, preferably interface can be consolidated
It is fixed, it avoids the problem that causing leakage during use, it, can be when oil enters by being provided with bull stick and rotation axis
It waits and rotation axis is driven to be rotated, into row buffering, prevent its spouting the flow velocity and pressure of oil.
(2) well mouth sealing device of the blowout prevention, by being provided with bull stick, with the use of first bearing, second bearing, third
Bearing and fourth bearing, can be more efficient allow rotation axis to be rotated, avoid causing rotation interim card during use and
The problem of blocking, by being provided with the first fixed plate and the second fixed plate, can preferably to second bearing and 3rd bearing into
Row is fixed, and by being provided with flowline and valve, can be preferably sealed to the device and opening takes oil.
Description of the drawings
Fig. 1 is the sectional view that the utility model connects box front view；
Fig. 2 is that the utility model connects box front view.
In figure：1 well head pipe, 2 position-limiting tubes, 3 first bearings, 4 first fixed plates, 5 connection boxes, 6 conduits, 7 top boxs, 8 second
Fixed plate, 9 flowlines, 10 valves, 11 fourth bearings, 12 3rd bearings, 13 rotation axis, 14 second bearings, 15 bull sticks, 16 lead to
Hole.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of well mouth sealing device of blowout prevention, including well
The top of mouth pipe 1, well head pipe 1 is placed with connection box 5, and through-hole 16 is offered in the middle part of 5 bottom surface of connection box, 5 bottom surface of connection box
Middle part is fixedly connected with position-limiting tube 2, and position-limiting tube 2 and through-hole 16, the top of well head pipe 1 through position-limiting tube 2 and with 16 phase of through-hole
The inner bottom wall of connection, connection box 5 is fixedly connected there are two symmetrical first bearing 3, and the inner ring of each first bearing 3 is fixed
It is connected with bull stick 15, the inside of connection box 5 is fixedly connected with the first fixed plate 4, and the bottom surface of the first fixed plate 4, which is fixed, is inlaid with two
Symmetrical conduit 6 there are two connections is fixed in the upper surface of a symmetrical second bearing 14, connection box 5, each bull stick 15
Outer surface has been fixedly connected with rotation axis 13, and two rotation axis 13 are located at the inside of two conduits 6, can preferably allow
The oil zones turn moving axis 13 of entrance is rotated, and to weaken to the flow velocity and pressure of oil, prevents it from ejecting, even
The top for connecing box 5 is placed with top box 7, and the one end of two conduits 6 far from connection box 5 is fixed with the bottom surface of top box 7 and is connected to, and pushes up
The middle part of 7 upper surface of box is fixed and is communicated with flowline 9, and the outer surface of flowline 9 is fixedly connected with valve 10, can be preferably right
The device is sealed and opens, and the upper surface of top box 7 is parallel with the connection upper surface of box 5, and the size of top box 7 and connection
Box 5 it is equal in magnitude, can preferably be used cooperatively allow rotation axis 13 efficiently to be rotated, the inside of top box 7 is fixedly connected
There is the second fixed plate 8, the upper surface of the first fixed plate 4 is parallel with the bottom surface of the second fixed plate 8, and the water of the first fixed plate 4
Flat length value is equal to the horizontal length value of the second fixed plate 8, the phenomenon that preferably allowing bull stick 15 to be rotated, avoid interim card, often
The fixation of the bottom surface of a second fixed plate 8 is inlaid with 3rd bearing 12, and the one end of each bull stick 15 far from first bearing 3 is successively
Through second bearing 14, conduit 6 and 3rd bearing 12 and the top of the second fixed plate 8 is extended to, the inner roof wall of top box 7, which is fixed, to be connected
Connect there are two symmetrical fourth bearing 11, outer surface of two bull sticks 15 far from 3 one end of first bearing respectively with two the 4th
The inner ring of bearing 11 is fixedly connected, can be more efficient allow bull stick 15 to be rotated, avoid causing to rotate during use
The phenomenon that interim card.
Operation principle：By in the installation to well head pipe 1 of the position-limiting tube 2 of the device, by through-hole 16 by the oil in well head pipe 1
It is imported into the inside of the device, drives rotation axis 13 to be rotated by the impact force of oil, to the flow velocity and pressure to oil
Power is weakened, to prevent oil from spraying.
In conclusion the well mouth sealing device of the blowout prevention, by being provided with well head pipe 1, with the use of connection box 5, limit
Pipe 2 and through-hole 16 can preferably install the device to well head pipe 1, can be better by the position-limiting tube 2 being provided with
Interface is fixed, avoids the problem that causing leakage during use, by being provided with bull stick 15 and rotation axis 13,
Rotation axis 13 can be driven to be rotated when oil enters, to, into row buffering, be prevented to the flow velocity and pressure of oil
Its is spouting, by being provided with bull stick 15, is used cooperatively first bearing 3, second bearing 14,3rd bearing 12 and fourth bearing
11, can be more efficient allow rotation axis 13 to be rotated, avoid the problem that causing rotation interim card during use and block,
By being provided with the first fixed plate 4 and the second fixed plate 8, preferably second bearing 14 and 3rd bearing 12 can be consolidated
It is fixed, by being provided with flowline 9 and valve 10, preferably the device can be sealed and opening takes oil.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of well mouth sealing device of blowout prevention, including well head pipe (1), it is characterised in that：It places the top of the well head pipe (1)
There is connection box (5), through-hole (16) is offered in the middle part of connection box (5) bottom surface, the middle part of described connection box (5) bottom surface is fixed
Be connected with position-limiting tube (2), and position-limiting tube (2) and through-hole (16), the top of the well head pipe (1) through position-limiting tube (2) and with it is logical
Hole (16) is connected, and the inner bottom wall of the connection box (5) is fixedly connected there are two symmetrical first bearing (3), each described
The inner ring of first bearing (3) has been fixedly connected with bull stick (15), and the inside of the connection box (5) is fixedly connected with the first fixed plate
(4), the bottom surface of first fixed plate (4), which is fixed, inlays there are two symmetrical second bearing (14), the connection box (5)
Symmetrical conduit (6) there are two connections is fixed in upper surface, is placed with top box (7) above the connection box (5), and two are led
The one end of pipe (6) far from connection box (5), which is fixed with the bottom surface of top box (7), to be connected to, and the inside of the top box (7) is fixedly connected with
The bottom surface fixation of second fixed plate (8), each second fixed plate (8) is inlaid with 3rd bearing (12), each described turn
The one end of bar (15) far from first bearing (3) sequentially passes through second bearing (14), conduit (6) and 3rd bearing (12) and extends
To the top of the second fixed plate (8).
2. a kind of well mouth sealing device of blowout prevention according to claim 1, it is characterised in that：The interior top of the top box (7)
Wall is fixedly connected there are two symmetrical fourth bearing (11), and two bull sticks (15) are outer far from first bearing (3) one end
Surface is fixedly connected with the inner ring of two fourth bearings (11) respectively.
3. a kind of well mouth sealing device of blowout prevention according to claim 1, it is characterised in that：Each bull stick (15)
Outer surface has been fixedly connected with rotation axis (13), and two rotation axis (13) are located at the inside of two conduits (6).
4. a kind of well mouth sealing device of blowout prevention according to claim 1, it is characterised in that：Top box (7) upper surface
Middle part fix be communicated with flowline (9), the outer surface of the flowline (9) is fixedly connected with valve (10).
5. a kind of well mouth sealing device of blowout prevention according to claim 1, it is characterised in that：The upper table of the top box (7)
Face with connection box (5) upper surface it is parallel, and the size of top box (7) and connection box (5) it is equal in magnitude.
6. a kind of well mouth sealing device of blowout prevention according to claim 1, it is characterised in that：First fixed plate (4)
Upper surface it is parallel with the bottom surface of the second fixed plate (8), and the horizontal length value of the first fixed plate (4) be equal to the second fixed plate
(8) horizontal length value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095501.6U CN207892566U (en) | 2018-01-21 | 2018-01-21 | A kind of well mouth sealing device of blowout prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095501.6U CN207892566U (en) | 2018-01-21 | 2018-01-21 | A kind of well mouth sealing device of blowout prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892566U true CN207892566U (en) | 2018-09-21 |
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ID=63544657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820095501.6U Active CN207892566U (en) | 2018-01-21 | 2018-01-21 | A kind of well mouth sealing device of blowout prevention |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117266785A (en) * | 2023-11-17 | 2023-12-22 | 江苏苏盐阀门机械有限公司 | Blowout preventer for wellhead |
-
2018
- 2018-01-21 CN CN201820095501.6U patent/CN207892566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117266785A (en) * | 2023-11-17 | 2023-12-22 | 江苏苏盐阀门机械有限公司 | Blowout preventer for wellhead |
| CN117266785B (en) * | 2023-11-17 | 2024-02-20 | 江苏苏盐阀门机械有限公司 | Blowout preventer for wellhead |
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