CN107060686A - Plugging device in Hai Guanguan - Google Patents
Plugging device in Hai Guanguan Download PDFInfo
- Publication number
- CN107060686A CN107060686A CN201710162449.1A CN201710162449A CN107060686A CN 107060686 A CN107060686 A CN 107060686A CN 201710162449 A CN201710162449 A CN 201710162449A CN 107060686 A CN107060686 A CN 107060686A
- Authority
- CN
- China
- Prior art keywords
- pressuring plate
- front pressuring
- rear fender
- rubber seal
- plugging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 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
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
Landscapes
- 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)
- Pipe Accessories (AREA)
Abstract
The invention discloses plugging device in a kind of extra large pipe pipe, including rear fender, front pressuring plate, rear fender, front pressuring plate is mutually set-located and can moved axially relatively, rear fender, the hydraulic cylinder for driving both to relatively move is provided between front pressuring plate, front pressuring plate rear end periphery is provided with cambridge ring, rear fender periphery is circumferentially arranged multiple dovetail slips, front pressuring plate periphery is axially spaced to be provided with two rubber seal rings, rubber seal ring is internally provided with toroidal cavity, the hydraulic line that rubber seal ring inner annular cavity is communicated to through front pressuring plate is provided with rear fender, the pressure detecting pipeline for one section of front pressuring plate outside wall surface being communicated to through front pressuring plate between two rubber seal rings and the pressure releasing pipeline that front pressuring plate front end face is communicated to through front pressuring plate.The present invention realizes dual-plugging by two rubber seal rings, and closure situation can also be monitored in real time, and pressure releasing can should be carried out to emergency, and the reliability and operational security of extra large pipe closure are effectively strengthened.
Description
Technical field
The present invention relates to a kind of device plunged into the commercial sea and blocked in pipe pipe for deep water conditions.
Background technology
Under water in the operation of extra large pipe maintenance, it is often necessary to implement closure to extra large pipe and extra large pipe is damaged into section isolation.Conventional sea
Plugging device is deposited due to not possessing the function that on-site supervision and emergency pressure are released in terms of reliability and job safety in pipe pipe
In deficiency.
Above-mentioned discussion content purpose be to reader introduce may be described below and/or advocate it is of the invention each
The various aspects of the related technology of individual aspect, it is believed that the discussion content contributes to as reader with background's information, to be conducive to more
Understand various aspects of the invention well, it is therefore to be understood that be that these discussions are read with this angle, it is existing without being to recognize that
Technology.
The content of the invention
Plugging device in a kind of extra large pipe pipe is provided it is an object of the invention to avoid of the prior art not enough, it can
Improve the reliability and operational security of extra large pipe closure.
The purpose of the present invention is achieved through the following technical solutions：
Plugging device in a kind of extra large pipe pipe, including rear fender, front pressuring plate are provided, the rear fender, front pressuring plate are mutually arranged
It together and can move axially relatively, the hydraulic cylinder for driving both to relatively move is provided between rear fender, front pressuring plate,
Front pressuring plate rear end periphery is provided with cambridge ring, and the rear fender periphery is circumferentially arranged the multiple wedges coordinated with cambridge ring
Shape slips, axially spaced be provided with inside two rubber seal rings, the rubber seal ring in the periphery of the front pressuring plate is set
Have be provided with toroidal cavity, the rear fender through front pressuring plate be communicated to rubber seal ring inner annular cavity hydraulic line,
The pressure detecting pipeline for one section of front pressuring plate outside wall surface being communicated to through front pressuring plate between two rubber seal rings and through front pressuring plate
It is communicated to the pressure releasing pipeline of front pressuring plate front end face.
As a further improvement, the periphery of the front pressuring plate forms fluted, and the rubber seal ring is arranged on groove
In.
As a further improvement, the periphery of the front pressuring plate be provided with two hold-down rings and positioned at two hold-down rings it
Between shading ring, form the groove between the hold-down ring and shading ring.
As a further improvement, the rear fender, the periphery of front pressuring plate circumferentially spaced be respectively provided with several and led
To wheel.
As a further improvement, being provided between the wheel shaft and rear fender, front pressuring plate of the directive wheel makes directive wheel edge
The elastic component radially extended out.
As a further improvement, the cylinder barrel of the hydraulic cylinder is fixed on front pressuring plate, and piston rod is fixed on rear fender, rear pressure
The front portion of plate is provided with the guide cylinder being enclosed on outside cylinder barrel.
As a further improvement, the back-moving spring for making both remote is provided between the rear fender, front pressuring plate, it is described
Reseting spring sleeve is on the piston rod.
As a further improvement, it is provided with hydraulic control one-way valve on the pressure detecting pipeline and/or pressure releasing pipeline.
As a further improvement, the dovetail slip limits institute with rear fender by positioning pin connection, the alignment pin
Stating dovetail slip can only move radially.
As a further improvement, the lateral surface of the dovetail slip is tooth-shape structure.
Plugging device in the Hai Guanguan that the present invention is provided, including rear fender, front pressuring plate, the rear fender, front pressuring plate are mutual
It is set-located and can moves axially relatively, the liquid for driving both to relatively move is provided between rear fender, front pressuring plate
Cylinder pressure, front pressuring plate rear end periphery is provided with cambridge ring, and the rear fender periphery is circumferentially arranged what is coordinated with cambridge ring
Multiple dovetail slips, the periphery of the front pressuring plate is axially spaced to be provided with two rubber seal rings, the rubber seal ring
Portion is provided with the hydraulic pressure for being provided with toroidal cavity, the rear fender and rubber seal ring inner annular cavity being communicated to through front pressuring plate
Pipeline, the pressure detecting pipeline for one section of front pressuring plate outside wall surface being communicated to through front pressuring plate between two rubber seal rings and premenstrual
Pressing plate is communicated to the pressure releasing pipeline of front pressuring plate front end face.During work, plugging device is put into pipeline in Hai Guanguan, the wedge
Shape ring and dovetail slip are mutually compressed in the presence of hydraulic cylinder, and dovetail slip is radially extended out and is stuck on inner-walls of duct, realize envelope
Locking of the block apparatus inside extra large pipe, locking state will be consolidated more under the differential pressure action before and after plugging device；Pass through liquid again
Pressure pipeline is filled with high pressure liquid force feed to the toroidal cavity inside the rubber seal ring, and rubber seal ring dilatancy realizes sea pipe
Sealing blocking；By connecting the pressure detecting pipeline of annular space in the middle of two rubber seal rings, annular pressure change can be monitored
Realize the real-time monitoring to sealed condition；By guiding the pressure releasing pipeline of rear fender, Ke Yishi into from plugging device front pressuring plate
The emergency discharge of existing pressure.The present invention realizes dual-plugging by two rubber seal rings, and closure situation can also be monitored in real time,
And pressure releasing can should be carried out to emergency, the reliability and operational security of extra large pipe closure are effectively strengthened.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structural representation of plugging device in Hai Guanguan.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Apply example the present invention is described in further detail, it is necessary to explanation, in the case where not conflicting, embodiments herein and
Feature in embodiment can be mutually combined.
As shown in figure 1, the embodiment of the present invention provides plugging device in a kind of extra large pipe pipe, including rear fender 1, front pressuring plate 10,
The rear fender 1, front pressuring plate 10 are mutually set-located and can moved axially relatively, and are set between rear fender 1, front pressuring plate 10
There is the hydraulic cylinder for driving both to relatively move.The rear end of front pressuring plate 10 is provided with sleeve 14, and the periphery of sleeve 14 is provided with
Cambridge ring 6, cambridge ring can be moved axially on sleeve 14, and the periphery of rear fender 1 is circumferentially arranged to be had and coordinate with cambridge ring 6
Multiple dovetail slips 5.The cambridge ring and dovetail slip are mutually compressed in the presence of hydraulic cylinder, and dovetail slip is radially extended out
It is stuck on inner-walls of duct, realizes locking of the plugging device inside extra large pipe.The periphery of the front pressuring plate 10 is axially spaced to be set
There are two rubber seal rings 8, the rubber seal ring 8 is internally provided with after toroidal cavity, toroidal cavity injection high pressure liquid force feed,
Its radial deformation can make the extra large inside pipe wall formation sealing of rubber seal ring extruding.It is provided with the rear fender 1 through front pressuring plate 10
It is communicated to the hydraulic line 15 of the inner annular cavity of rubber seal ring 8, is communicated to through front pressuring plate 10 between two rubber seal rings 3
One section of outside wall surface of front pressuring plate 10 pressure detecting pipeline 3 and the pressure that is communicated to the front end face of front pressuring plate 10 through front pressuring plate 10 let out
Put pipeline 2.Pressure releasing pipeline 2, pressure detecting pipeline 3, hydraulic line 15 are guided to beyond rear fender 1, pressure releasing pipeline
2nd, the oil inlet and oil return pipeline of pressure detecting pipeline 3, hydraulic line 15 and hydraulic cylinder can be provided by the unity of form of umbilical cables, be prevented
Different pipelines are wound in operation process.Height is filled with to the toroidal cavity inside the rubber seal ring by hydraulic line
Hydraulic fluid is pressed oil, and rubber seal ring dilatancy realizes the sealing blocking of extra large pipe；By connecting annular space in the middle of two rubber seal rings
Pressure detecting pipeline, annular pressure change can be monitored and realize real-time monitoring to sealed condition；By before plugging device
Pressing plate guides the pressure releasing pipeline of rear fender into, it is possible to achieve the emergency discharge of pressure.
As further preferred embodiment, the periphery of the front pressuring plate 10 forms fluted, the rubber seal ring 8
Set in a groove.Groove can be limited when rubber seal ring 8 expands and axially extended out, it is ensured that the radial direction of rubber seal ring 3 is extended out, so that
Improve closure sealing.
As further preferred embodiment, the periphery of the front pressuring plate 10 is provided with two hold-down rings 7 and is located at
Shading ring 9 between two hold-down rings 7, the groove is formed between the hold-down ring 7 and shading ring 9.Hold-down ring, shading ring are equal
With enough height with prevent during rubber seal ring dilatancy to both sides gap protrude.
It is used as further preferred embodiment, the rear fender 1, the circumferentially spaced setting of periphery difference of front pressuring plate 10
There are several directive wheels 4.Directive wheel 4 can reduce frictional force when plugging device in extra large pipe pipe sends into pipeline, be conducive to smoothly sending
Enter pipeline.The elasticity for making directive wheel 4 radially extend out is provided between the wheel shaft and rear fender 1, front pressuring plate 10 of the directive wheel 4
Part.Directive wheel 4 is contacted with inner-walls of duct all the time by the elastic force of elastic component, it is ensured that when plugging device is moved in pipeline, rear pressure
Plate 1, front pressuring plate 10, rubber seal ring 8, dovetail slip 5 etc. will not produce direct friction with inner-walls of duct.
As further preferred embodiment, the cylinder barrel 11 of the hydraulic cylinder is fixed on front pressuring plate 10, and piston rod 12 is consolidated
Due to rear fender 1, the front portion of rear fender 1 is provided with the guide cylinder 13 being enclosed on outside cylinder barrel 11.The rear fender 1, front pressuring plate 10 it
Between be provided with the back-moving spring 16 for making both remote, the back-moving spring 16 is enclosed on piston rod 12, the compression side of back-moving spring
To consistent with liquid presses piston pole retracted orientation.
As further preferred embodiment, it is provided with the pressure detecting pipeline 3 and/or pressure releasing pipeline 2
Hydraulic control one-way valve.The flow direction of hydraulic control one-way valve is flows to front pressuring plate from rear fender, and hydraulic control one-way valve has foot in hydraulic control circuit
Open, remained turned-off when no pressure or insufficient pressure during enough pressure.
As further preferred embodiment, the dovetail slip is divided into 6 pieces of along the circumferential direction annular spreads, slips with
Gap is left between slips, dovetail slip 5 limits the dovetail slip 5 with rear fender 1 by positioning pin connection, the alignment pin
It can only move radially, the lateral surface of the dovetail slip 5 is tooth-shape structure.
The present invention makes liquid presses piston pole retract in use, plugging device is put into pipeline in Hai Guanguan by hydraulic pressure, drives
Front pressuring plate, rear fender are close to each other, so that cambridge ring and dovetail slip are mutually embedded in, cambridge ring is by dovetail slip into extra large pipe
Wall is extruded, and is bitten extra large inside pipe wall by the tooth-shape structure on dovetail slip surface and is realized locking.By setting up before and after plugging device
Pressure difference in pipe, can strengthen its locking effect.After slips locking, rubber seal ring injection high pressure liquid force feed, which is produced, radially to be become
Shape, the annular space formation sealing blocking between plugging device and extra large inside pipe wall.When plugging device is removed, rubber seal ring of releasing first
Internal pressure, after the overpressure balance before and after ensuring device, stretches out liquid presses piston pole, cambridge ring and wedge by hydraulic pressure
Locking is released after shape slips is disconnected from each other, then can implement the dismounting of plugging device.It is multiple in the case where occurring hydraulic failure
Unblock is realized in the effect that position spring can substitute hydraulic cylinder.
Many details are elaborated in above description to facilitate a thorough understanding of the present invention, still, the present invention can be with
It is different from other modes described here to implement using other, it is thus impossible to be interpreted as limiting the scope of the invention.
In a word, although the present invention lists above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such change and remodeling deviate from the scope of the present invention, otherwise should all wrap
Include within the scope of the present invention.
Claims (10)
1. plugging device in a kind of extra large pipe pipe, it is characterised in that：Including rear fender (1), front pressuring plate (10), the rear fender (1),
Front pressuring plate (10) is mutually set-located and can moved axially relatively, and being provided between rear fender (1), front pressuring plate (10) is used for
The hydraulic cylinder of both relative movements of driving, front pressuring plate (10) the rear end periphery is provided with cambridge ring (6), the rear fender (1)
Periphery is circumferentially arranged a multiple dovetail slips (5) coordinated with cambridge ring (6), the periphery of the front pressuring plate (10) vertically between
Every being provided with two rubber seal rings (8), the rubber seal ring (8) is internally provided with toroidal cavity, the rear fender (1)
It is provided with and is communicated to the hydraulic line (15) of rubber seal ring (8) inner annular cavity, through front pressuring plate (10) through front pressuring plate (10)
The pressure detecting pipeline (3) and premenstrual pressure for one section of front pressuring plate (10) outside wall surface being communicated between two rubber seal rings (3)
Plate (10) is communicated to the pressure releasing pipeline (2) of front pressuring plate (10) front end face.
2. plugging device in extra large pipe pipe according to claim 1, it is characterised in that：The periphery of the front pressuring plate (10) is formed
Fluted, the rubber seal ring (8) is set in a groove.
3. plugging device in extra large pipe pipe according to claim 2, it is characterised in that：The periphery of the front pressuring plate (10) is set
There are two hold-down rings (7) and the shading ring (9) between two hold-down rings (7), the hold-down ring (7) and shading ring (9)
Between form the groove.
4. plugging device in extra large pipe pipe according to claim 1, it is characterised in that：The rear fender (1), front pressuring plate (10)
Periphery circumferentially spaced be respectively provided with several directive wheels (4).
5. plugging device in extra large pipe pipe according to claim 4, it is characterised in that：The wheel shaft of the directive wheel (4) is with after
The elastic component for making directive wheel (4) radially extend out is provided between pressing plate (1), front pressuring plate (10).
6. plugging device in extra large pipe pipe according to claim 1, it is characterised in that：The cylinder barrel (11) of the hydraulic cylinder is fixed
In front pressuring plate (10), piston rod (12) is fixed on rear fender (1), and the front portion of rear fender (1), which is provided with, is enclosed on cylinder barrel (11) outside
Guide cylinder (13).
7. plugging device in extra large pipe pipe according to claim 6, it is characterised in that：The rear fender (1), front pressuring plate (10)
Between be provided with the back-moving spring (16) for making both remote, the back-moving spring (16) is enclosed on piston rod (12).
8. plugging device in extra large pipe pipe according to any one of claim 1 to 7, it is characterised in that：The pressure detecting
Hydraulic control one-way valve is provided with pipeline (3) and/or pressure releasing pipeline (2).
9. plugging device in extra large pipe pipe according to any one of claim 1 to 7, it is characterised in that：The dovetail slip
(5) limit the dovetail slip (5) by positioning pin connection, the alignment pin with rear fender (1) and can only move radially.
10. plugging device in extra large pipe pipe according to claim 9, it is characterised in that：The lateral surface of the dovetail slip (5)
For tooth-shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710162449.1A CN107060686A (en) | 2017-03-18 | 2017-03-18 | Plugging device in Hai Guanguan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710162449.1A CN107060686A (en) | 2017-03-18 | 2017-03-18 | Plugging device in Hai Guanguan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107060686A true CN107060686A (en) | 2017-08-18 |
Family
ID=59620120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710162449.1A Pending CN107060686A (en) | 2017-03-18 | 2017-03-18 | Plugging device in Hai Guanguan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060686A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630085A (en) * | 2019-01-15 | 2019-04-16 | 中北大学 | A kind of method of the piecewise substep pressure break of coal seam deep hole high energy pulse |
| CN109780363A (en) * | 2017-11-14 | 2019-05-21 | 中国石油天然气集团公司 | A kind of plugging device |
| CN110822211A (en) * | 2019-12-06 | 2020-02-21 | 西南石油大学 | Submarine pipeline maintenance and rush-repair intelligent packing system |
| CN112213024A (en) * | 2019-07-10 | 2021-01-12 | 纬湃汽车电子(长春)有限公司 | Knock sensor |
| CN112555225A (en) * | 2020-12-11 | 2021-03-26 | 彭志远 | Guide sleeve for hydraulic cylinder |
| CN113550711A (en) * | 2021-09-22 | 2021-10-26 | 南通迪斯船舶科技有限公司 | Umbrella-shaped self-opening type ocean engineering pile pipe packer |
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|---|---|---|---|---|
| CN201306577Y (en) * | 2008-10-13 | 2009-09-09 | 中国石油天然气集团公司 | Intelligent tube occlusion device |
| CN201696804U (en) * | 2010-04-27 | 2011-01-05 | 新疆三叶管道技术有限责任公司 | Expansion type leather cup |
| CN203068054U (en) * | 2013-02-25 | 2013-07-17 | 周庆涛 | Pipeline plugging device |
| CN105570601A (en) * | 2016-02-24 | 2016-05-11 | 北京世杰通石油科技有限公司 | Plugging device |
| CN105805486A (en) * | 2016-02-24 | 2016-07-27 | 北京世杰通石油科技有限公司 | Plugging device |
-
2017
- 2017-03-18 CN CN201710162449.1A patent/CN107060686A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201306577Y (en) * | 2008-10-13 | 2009-09-09 | 中国石油天然气集团公司 | Intelligent tube occlusion device |
| CN201696804U (en) * | 2010-04-27 | 2011-01-05 | 新疆三叶管道技术有限责任公司 | Expansion type leather cup |
| CN203068054U (en) * | 2013-02-25 | 2013-07-17 | 周庆涛 | Pipeline plugging device |
| CN105570601A (en) * | 2016-02-24 | 2016-05-11 | 北京世杰通石油科技有限公司 | Plugging device |
| CN105805486A (en) * | 2016-02-24 | 2016-07-27 | 北京世杰通石油科技有限公司 | Plugging device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780363A (en) * | 2017-11-14 | 2019-05-21 | 中国石油天然气集团公司 | A kind of plugging device |
| CN109630085A (en) * | 2019-01-15 | 2019-04-16 | 中北大学 | A kind of method of the piecewise substep pressure break of coal seam deep hole high energy pulse |
| CN109630085B (en) * | 2019-01-15 | 2021-01-01 | 中北大学 | Method for fracturing coal seam deep hole high-energy pulse section by section step by step |
| CN112213024A (en) * | 2019-07-10 | 2021-01-12 | 纬湃汽车电子(长春)有限公司 | Knock sensor |
| CN110822211A (en) * | 2019-12-06 | 2020-02-21 | 西南石油大学 | Submarine pipeline maintenance and rush-repair intelligent packing system |
| CN112555225A (en) * | 2020-12-11 | 2021-03-26 | 彭志远 | Guide sleeve for hydraulic cylinder |
| CN113550711A (en) * | 2021-09-22 | 2021-10-26 | 南通迪斯船舶科技有限公司 | Umbrella-shaped self-opening type ocean engineering pile pipe packer |
| CN113550711B (en) * | 2021-09-22 | 2021-11-19 | 南通迪斯船舶科技有限公司 | Umbrella-shaped self-opening type ocean engineering pile pipe packer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |