CN109026896A - A kind of lever formula expansion isolating type oil well lifting device - Google Patents
A kind of lever formula expansion isolating type oil well lifting device Download PDFInfo
- Publication number
- CN109026896A CN109026896A CN201710435758.1A CN201710435758A CN109026896A CN 109026896 A CN109026896 A CN 109026896A CN 201710435758 A CN201710435758 A CN 201710435758A CN 109026896 A CN109026896 A CN 109026896A
- Authority
- CN
- China
- Prior art keywords
- isolating
- cylinder
- piston rod
- oil well
- lifting 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.)
- Granted
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 34
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000010720 hydraulic oil Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000007779 soft material Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention provides a kind of lever formula expansion isolating type oil well lifting device; including oil cylinder ontology; the oil cylinder ontology includes piston rod; it further include piston rod isolating and protecting device; the piston rod protrudes into piston rod isolating and protecting device, and piston-rod lower end is connected to the piston rod isolating and protecting device inner bottom, and the piston rod isolating and protecting device is telescopic isolating cylinder; the telescopic isolating cylinder includes that at least two-stage isolating cylinder, isolating cylinder is sliding sealing between any two.The isolating cylinder is respectively provided with anti-detachment block machine.Cylinder barrel bottom connection leg formula bracket.The telescopic isolating cylinder upper end is fixed on supporting leg type bracket bottom end.The supporting leg type bracket is sat by flanged joint and is loaded on well mouth of oil well.The present invention is completely isolated with well liquid by hydraulic oil, thoroughly eliminates the pollution of hydraulic system, guarantees hydraulic oil pumping system long-life reliably working.
Description
Technical field
The present invention relates to oil extraction equipment and technology, especially a kind of lever formula expansion isolating type oil well lifting device.
Background technique
Oil exploitation is to provide one of the major way of oil well lifting power, well with hydraulic pumping unit in the power-equipment of ground
Mouth lifting device is the important component of hydraulic pumping unit.When conventional elevating ram seat is loaded on well head, piston rod and sucker rod
Connection, piston rod directly contact well liquid, and well liquid easily invades inside driving fluid media (medium), pollutes hydraulic system, influence system work
Service life.
By retrieval, publication number 201050518, publication date 2008-04-23 discloses a kind of cylinder piston rod protection dress
It sets, protects frame including the piston rod that section is square and oil cylinder protects two shield frames of frame, the piston rod shield frame is fixed by screws in
Piston rod front end, the oil cylinder shield frame are mounted on the shell of oil cylinder.The bore of the piston rod shield frame is than oil cylinder shield frame
Bore is small, is inserted into inside oil cylinder shield frame convenient for piston rod shield frame, and the piston rod shield frame can be with piston rod free extension.
The application is compared with technology disclosed above:
Technical field first is different, and public technology is applied in mine occasion, and the application use is in liquid medium, the two
Technical field it is not identical.
Technical solution is different, and documents structure member and component connection relationship are different from the application.
Technical problem to be solved is different, and documents technical problem to be solved is to prevent stone or other are heavy
The collision of object, and the application is pollution of the well liquid to hydraulic oil in order to prevent, needs higher leakproofness and longer service life,
So the technical solution requirement to use is higher, in addition, the application technical problems to be solved are moreover, moreover it is possible to solve other
More technical problems.
Summary of the invention
It is the purpose of the present invention is to provide a kind of lever formula expansion isolating type oil well lifting device, hydraulic oil is complete with well liquid
Full isolation, thoroughly eliminates the pollution of hydraulic system, guarantees hydraulic oil pumping system long-life reliably working.
The purpose of the present invention can be achieved by the following technical measures:
The lever formula expansion isolating type oil well lifting device includes oil cylinder ontology, and the oil cylinder ontology includes piston rod, also
Including piston rod isolating and protecting device, the piston rod is protruded into piston rod isolating and protecting device, and piston-rod lower end is connected to institute
Piston rod isolating and protecting device inner bottom is stated, the piston rod isolating and protecting device is telescopic isolating cylinder, described telescopic
Isolating cylinder includes that at least two-stage isolating cylinder, isolating cylinder is sliding sealing between any two.
The purpose of the present invention can be also achieved by the following technical measures:
The isolating cylinder is respectively provided with anti-detachment block machine.
The oil cylinder ontology further includes cylinder barrel, piston, and the piston is placed in cylinder sleeve, and piston rod penetrates cylinder sleeve bottom and opens up
Rod aperture after connect cylinder sleeve in piston.
The cylinder barrel bottom connection leg formula bracket.
The telescopic isolating cylinder upper end is fixed on supporting leg type bracket bottom end.
The supporting leg type bracket is sat by flanged joint and is loaded on well mouth of oil well.
Piston rod seal component is set in the rod aperture.
Oil inlet and outlet is opened up on the cylinder sleeve.
The telescopic isolating cylinder outer lower end is provided with the connection structure for connecting with pumping rod.
The invention has the following advantages:
1, oil cylinder ontology and well liquid sealing cylinder pass through flanged joint with axle bed loaded on well head, and height is short, compact-sized, account for
Ground area is small.
2, it using oil, liquid isolating seal structure, prevents well liquid from polluting pumping unit hydraulic system, causes the system failure.
3, the multi-section structure that telescopic isolating cylinder uses soft and hard seal to combine, long service life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of lever formula expansion isolating type oil well lifting device.
In figure: oil cylinder ontology 1, telescopic isolating cylinder 2, supporting leg type bracket 3, cylinder barrel 4, piston 5, piston rod 6, oil inlet and outlet
7, piston rod seal component 8, production wellhead 9, sucker rod 10, oil pipe 11.
Specific embodiment
Detailed description for the present invention and technology contents, cooperation Detailed description of the invention is as follows, however attached drawing is only to refer to and say
It is bright to be used, it is not intended to limit the present invention.
Embodiment 1:
As shown in Fig. 1, a kind of lever formula expansion isolating type oil well lifting device, including oil cylinder ontology, the oil cylinder sheet
Body 1 includes piston rod 6, cylinder barrel 4, piston 5, and the piston is placed in cylinder sleeve, and piston rod penetrates the piston rod that cylinder sleeve bottom opens up
The piston in cylinder sleeve is connected behind hole.Oil inlet and outlet 7 is opened up on the cylinder sleeve.It further include piston rod isolating and protecting device, the work
Stopper rod protrudes into piston rod isolating and protecting device, and piston-rod lower end is connected to the piston rod isolating and protecting device inner bottom,
The piston rod isolating and protecting device is telescopic isolating cylinder 2, and the telescopic isolating cylinder includes at least two-stage isolating cylinder, isolation
Cylinder is sliding sealing between any two.
6 one end of piston rod connects piston 5, and one end is fixed on telescopic 2 bottom of isolating cylinder, and sucker rod 10 is isolated with telescopic
2 bottoms of cylinder are connected, and under pressure oil driving, piston rod 6 moves up and down, and drive telescopic isolating cylinder 2 flexible, to drive underground
Sucker rod 10 and oil well pump move back and forth, and realize the lifting of underground load.Telescopic isolating cylinder 2 is combined more using soft and hard seal
Section structure (soft seal refers to rubber seal, and hard sealing refers to sealing ring caused by nylon or thin-wall metal system), it is at different levels
Sealing ring is set between expansion isolating cylinder and is mutually slided, formation is slidingly sealed, when piston rod 6 is entered in pit shaft, in flexible
In formula isolating cylinder 2, well liquid is not contacted completely, will not be polluted oil cylinder driving fluid media (medium) completely, thoroughly be eliminated to hydraulic system
Pollution guarantees hydraulic oil pumping system long-life reliably working.Oil cylinder ontology 1 is connected by supporting leg type bracket 3 and telescopic isolating cylinder 2
It connects, is coaxially sat by flanged joint loaded on well mouth of oil well.Pit shaft is discharged by production wellhead 9 in well liquid in oil pipe 11, realizes
Oilwell swabbing drain.
Embodiment 2:
As shown in Fig. 1, a kind of lever formula expansion isolating type oil well lifting device, including oil cylinder ontology, the oil cylinder sheet
Body includes piston rod 6, cylinder barrel 4, piston 5, and the piston is placed in cylinder sleeve, and piston rod penetrates the rod aperture that cylinder sleeve bottom opens up
The piston in cylinder sleeve is connected afterwards.Oil inlet and outlet 7 is opened up on the cylinder sleeve.It further include piston rod isolating and protecting device, the piston
Bar protrudes into piston rod isolating and protecting device, and piston-rod lower end is connected to the piston rod isolating and protecting device inner bottom, institute
Stating piston rod isolating and protecting device is telescopic isolating cylinder 2, and the telescopic isolating cylinder includes at least two-stage isolating cylinder, isolating cylinder
It is between any two sliding sealing.The isolating cylinder is respectively provided with anti-detachment block machine.
Embodiment 3:
As shown in Fig. 1, a kind of lever formula expansion isolating type oil well lifting device, including oil cylinder ontology, the oil cylinder sheet
Body includes piston rod 6, cylinder barrel 4, piston 5, and the piston is placed in cylinder sleeve, and piston rod penetrates the rod aperture that cylinder sleeve bottom opens up
The piston in cylinder sleeve is connected afterwards.Oil inlet and outlet 7 is opened up on the cylinder sleeve.It further include piston rod isolating and protecting device, the piston
Bar protrudes into piston rod isolating and protecting device, and piston-rod lower end is connected to the piston rod isolating and protecting device inner bottom, institute
Stating piston rod isolating and protecting device is telescopic isolating cylinder 2, and the telescopic isolating cylinder includes at least two-stage isolating cylinder, isolating cylinder
It is between any two sliding sealing.The isolating cylinder is respectively provided with anti-detachment block machine.The cylinder barrel bottom connection leg formula bracket 3.
The telescopic isolating cylinder upper end is fixed on supporting leg type bracket bottom end.The supporting leg type bracket is sat by flanged joint and is loaded on oil well
Well head.Piston rod seal component 8 is set in the rod aperture.The telescopic isolating cylinder outer lower end is provided with takes out for connecting
The connection structure of beam hanger 10.
Embodiment 4:
A kind of lever formula expansion isolating type oil well lifting device, including oil cylinder ontology, the oil cylinder ontology includes piston rod
6, cylinder barrel 4, piston 5, the piston are placed in cylinder sleeve, and piston rod connects in cylinder sleeve after penetrating the rod aperture that cylinder sleeve bottom opens up
Piston.Oil inlet and outlet 7 is opened up on the cylinder sleeve.It further include piston rod isolating and protecting device, the piston rod protrudes into piston rod
In isolating and protecting device, piston-rod lower end is connected to the piston rod isolating and protecting device inner bottom, the piston rod isolation
Protective device is soft material set, the cylinder barrel bottom connection leg formula bracket 3.Soft material set upper side is fixed on supporting leg type branch
Frame bottom end, the supporting leg type bracket are sat by flanged joint and are loaded on well mouth of oil well.Piston rod packing is set in the rod aperture
Part 8.Soft material set bottom end is provided with the hard connection structure for connecting with pumping rod and piston rod.
Embodiment 5:
On the basis of embodiment 4, bellows is can be used in soft material set.
The foregoing is merely presently preferred embodiments of the present invention, non-to limit the scope of the patents of the invention, other are with this
The equivalence changes of patent of invention spirit should all belong to the scope of the patents of the invention.
Claims (9)
1. a kind of lever formula expansion isolating type oil well lifting device, including oil cylinder ontology, the oil cylinder ontology includes piston rod,
It is characterized in that, further includes piston rod isolating and protecting device, the piston rod protrudes into piston rod isolating and protecting device, under piston rod
End is connected to the piston rod isolating and protecting device inner bottom, and the piston rod isolating and protecting device is telescopic isolating cylinder,
The telescopic isolating cylinder includes that at least two-stage isolating cylinder, isolating cylinder is sliding sealing between any two.
2. a kind of lever formula expansion isolating type oil well lifting device according to claim 1, which is characterized in that the isolation
Cylinder is respectively provided with anti-detachment block machine.
3. a kind of lever formula expansion isolating type oil well lifting device according to claim 1 or 2, which is characterized in that described
Oil cylinder ontology further includes cylinder barrel, piston, and the piston is placed in cylinder sleeve, after piston rod penetrates the rod aperture that cylinder sleeve bottom opens up
Connect the piston in cylinder sleeve.
4. a kind of lever formula expansion isolating type oil well lifting device according to claim 3, which is characterized in that the cylinder barrel
Bottom connection leg formula bracket.
5. a kind of lever formula expansion isolating type oil well lifting device according to claim 4, which is characterized in that described flexible
Formula isolating cylinder upper end is fixed on supporting leg type bracket bottom end.
6. a kind of lever formula expansion isolating type oil well lifting device according to claim 3, which is characterized in that the supporting leg
Formula bracket is sat by flanged joint and is loaded on well mouth of oil well.
7. a kind of lever formula expansion isolating type oil well lifting device according to claim 3, which is characterized in that the piston
Piston rod seal component is set in rod aperture.
8. a kind of lever formula expansion isolating type oil well lifting device according to claim 3, which is characterized in that the cylinder sleeve
On open up oil inlet and outlet.
9. a kind of lever formula expansion isolating type oil well lifting device according to claim 1, which is characterized in that described flexible
Formula isolating cylinder outer lower end is provided with the connection structure for connecting with pumping rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710435758.1A CN109026896B (en) | 2017-06-09 | Movable rod type telescopic isolation type oil well lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710435758.1A CN109026896B (en) | 2017-06-09 | Movable rod type telescopic isolation type oil well lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026896A true CN109026896A (en) | 2018-12-18 |
| CN109026896B CN109026896B (en) | 2024-05-24 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1277230C (en) * | 1988-12-01 | 1990-12-04 | Roderick D. Mcleod | Wellhead isolation tool |
| US5957198A (en) * | 1997-09-23 | 1999-09-28 | Haynes; Michael Jonathon | Telescoping joint for use in conduit connected wellhead and zone isolating tool |
| CN103573743A (en) * | 2012-07-27 | 2014-02-12 | 常州市华立液压润滑设备有限公司 | Protected hydraulic cylinder |
| CN106555570A (en) * | 2015-09-25 | 2017-04-05 | 中国石油化工股份有限公司 | Wellhead hydraulic lifting device |
| CN206988206U (en) * | 2017-06-09 | 2018-02-09 | 中国石油化工股份有限公司 | Lever formula expansion isolating type oil well elevating ram |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1277230C (en) * | 1988-12-01 | 1990-12-04 | Roderick D. Mcleod | Wellhead isolation tool |
| US5957198A (en) * | 1997-09-23 | 1999-09-28 | Haynes; Michael Jonathon | Telescoping joint for use in conduit connected wellhead and zone isolating tool |
| CN103573743A (en) * | 2012-07-27 | 2014-02-12 | 常州市华立液压润滑设备有限公司 | Protected hydraulic cylinder |
| CN106555570A (en) * | 2015-09-25 | 2017-04-05 | 中国石油化工股份有限公司 | Wellhead hydraulic lifting device |
| CN206988206U (en) * | 2017-06-09 | 2018-02-09 | 中国石油化工股份有限公司 | Lever formula expansion isolating type oil well elevating ram |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203939790U (en) | The reciprocal supercharging device of twin-tub | |
| CN212389305U (en) | Spring and hydraulic reinforcement setting packer | |
| US7717649B2 (en) | Suspending hydraulic pillar | |
| CN206988206U (en) | Lever formula expansion isolating type oil well elevating ram | |
| CN201335760Y (en) | Pressure testing and pressure increasing device of blowout preventer | |
| CN109026896A (en) | A kind of lever formula expansion isolating type oil well lifting device | |
| CN111734341A (en) | Spring and hydraulic reinforcement setting packer | |
| CN209586645U (en) | A kind of spray-proof device of oil-well pump | |
| CN203808923U (en) | Suspension releasing packer for oil-gas water well | |
| RU141547U1 (en) | DIFFERENTIAL BAR PUMP | |
| CN202832484U (en) | Well mouth pressure testing device | |
| CN204085913U (en) | Preventer test unit makes a trip constant voltage wellbore hole simulator by force | |
| CN205715725U (en) | Planker guiding valve and there is its delivery pump and pump truck | |
| CN108361025A (en) | Pumpingh well Pipe String Pressure Testing Advice | |
| CN113914824B (en) | Underground follow-up sealing production increasing pipe column capable of flushing well and efficient lifting method | |
| CN109026896B (en) | Movable rod type telescopic isolation type oil well lifting device | |
| CN201184171Y (en) | Bias-wearing-proof pumping unit | |
| CN104454761A (en) | Double-acting single-piston-rod hydraulic cylinder | |
| CN205446256U (en) | Move jar formula well head seat dress lifting devices | |
| CN201062518Y (en) | Single-body hydraulic supporter | |
| CN201225159Y (en) | Short-specification long-stroke single hydraulic prop | |
| AU2004211436B2 (en) | Method and device for pressure amplification in cylinders, in particular hydraulic rams | |
| CN205036340U (en) | Sucker rod antifouling blowout preventer that goes into well | |
| CN204371656U (en) | A kind of sealer with assembled | |
| CN203499965U (en) | Double-layer self-sealing overlength stroke oil well pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |