CN201184288Y - Oil-submersible electric membrane pump - Google Patents
Oil-submersible electric membrane pump Download PDFInfo
- Publication number
- CN201184288Y CN201184288Y CNU2008200194986U CN200820019498U CN201184288Y CN 201184288 Y CN201184288 Y CN 201184288Y CN U2008200194986 U CNU2008200194986 U CN U2008200194986U CN 200820019498 U CN200820019498 U CN 200820019498U CN 201184288 Y CN201184288 Y CN 201184288Y
- Authority
- CN
- China
- Prior art keywords
- oil
- plunger
- pump body
- pump
- chamber
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a submersible electric diaphragm pump in the field of submersible electric pumps. The submersible electric diaphragm pump comprises a pump body consisting of an upper pump body, an intermediate pump body and a lower pump body which are connected with each other, wherein a transmission shaft, an axial bevel bear, a radial bevel gear, a cam shaft and a cam are arranged in the lower pump body; a plunger, a liner, slide valve, an oil drain valve, an oil inlet valve and a spring are arranged in the intermediate pump body; a diaphragm is arranged between the upper pump body and the intermediate pump body for isolating a lubricating oil from a well liquid; and an oil inlet valve and an oil discharge valve are arranged in the upper pump body. By completely improving the direct suction of the impeller (turbine) of the prior submersible electric pump, the submersible electric diaphragm pump can achieve contraction and expansion of a diaphragm working cavity through the reciprocating movement of the diaphragm driven by the plunge to achieve suction and discharge of oil, thereby achieving high-efficiency, energy-saving and small-displacement oil exploitation.
Description
Technical field
The utility model relates to a kind of oil-submersible electric membrane pump in the oil-submersible electric pump field.
Background technique
The oil-submersible electric pump cooperates with motor realizes that down-hole oil production is a field of petroleum exploitation technological means commonly used.The oil-submersible electric pump that uses mainly is to be extracted in the oil pipe by the fluid that the pump housing is outer of the rotary blade mode in the pump housing at present, realizes the collection of down-hole fluid, and this pump has the advantages that big discharge capacity is gathered underground fluid.Prolongation along with cycle of underground fluid exploitation, a large amount of hyposmosis oil wells has appearred, the reduction of fluid discharging (infiltration) amount, the operation under the low load of oil-submersible electric pump certainly will appear in the existing oil-submersible electric pump of continuation use, and pump efficiency reduces, the problem of the relative raising of energy consumption.
The model utility content
The purpose of this utility model is exactly the defective that exists at prior art, provides a kind of efficient, energy-conservation, is fit to the oil-submersible electric membrane pump of float gauging well exploitation.
Its technological scheme is: the pump housing is connected to form by upper pump casing, the middle pump housing and lower pump body three parts, the lower shaft of lower pump body is to being penetrated with transmission shaft, the top of transmission shaft is connected with axial bevel gear, in the lower pump body upper chamber, radially be fixed with camshaft, the middle part of camshaft is provided with cam, and is fixed with on camshaft and the axial meshing radially bevel gear of bevel gear; Be provided with the plunger exocoel in the middle pump housing, be provided with plunger in the exocoel, the bottom of plunger cooperates with the cam rotation, be provided with spring between the outer top of chamber of plunger head and plunger, along plunger axis to upwards being provided with inner cavity chamber, be provided with guiding valve in the inner cavity chamber, its upper end portion connected barrier film after guiding valve passed spring, outer chamber top successively, was respectively equipped with oil drain valve and the oiling valve that is communicated with between lower pump body upper chamber and the plunger cavity chamber in the both sides of outer chamber; The connecting part of the upper pump casing and the middle pump housing is shaped on the barrier film active chamber in advance, and barrier film radially is clamped in the transverse section of barrier film active chamber, is provided with draining valve between upper pump casing oil outlet and barrier film active chamber, is provided with oil sucting valve between the upper pump casing outside and the barrier film active chamber.
Such scheme also comprises: set up the plunger lining between plunger outer wall and middle pump housing inwall, the plunger lining is provided with the catheter channel that connects with oil drain valve and oiling valve.Camshaft two ends and lower pump body connecting part are provided with bearing and bearing cap, are provided with stuffing box bearing in the connecting part of transmission shaft and lower pump body.
The impeller (turbine) that the utility model will have the oil-submersible electric pump on the structure now directly suction has carried out major tuneup, drive the barrier film to-and-fro motion by plunger, realize the retractable of barrier film active chamber, finally realize the pump drainage of fluid, reach the purpose that efficient, energy-conservation float amount is exploited fluid.
Description of drawings
Accompanying drawing is a kind of structure sectional view of specific embodiment.
Embodiment
Embodiment 1: with reference to accompanying drawing, the pump housing is made of whole by being threaded upper pump casing 19, the middle pump housing 14 and lower pump body 2 three parts.The lower shaft of lower pump body 2 is to being penetrated with transmission shaft 1, and the exposed parts of transmission shaft 1 is connected cooperation with motor, and the top of transmission shaft 1 is connected with axial bevel gear 4, and transmission shaft 1 is provided with stuffing box bearing 3 with the connecting part of lower pump body 2.In lower pump body 2 upper chamber, radially be fixed with camshaft 5, the middle part of camshaft 5 is provided with cam 8, camshaft 5 two ends and lower pump body 2 connecting parts are provided with bearing and bearing cap 6, are fixed with the radially bevel gear 7 meshing with axial bevel gear 4 on camshaft 5, realize that camshaft 5 radially rotates.Fill with hydraulic oil in the cavity, make institute's movement parts be in good lubricating status, bearing cap 6 is used for fixing bearing and sealing, prevents that lubricant oil leaks in the lower pump body 2.
Be provided with the plunger exocoel in the middle pump housing 14, establish plunger lining 11 and plunger 9 in the exocoel, the bottom of plunger 9 cooperates with cam 8 rotations, pumps to drive plunger 9.Be provided with spring 13 between the outer top of chamber of plunger 9 tops and plunger, promote plunger 9 and reset.Axially upwards be provided with inner cavity chamber along plunger 9, be provided with guiding valve 12 in the inner cavity chamber, its upper end portion connected barrier film 16 after guiding valve 12 passed spring 12, outer chamber top, be respectively equipped with oil drain valve 10 and the oiling valve 15 that is communicated with between lower pump body 2 upper chamber and plunger 9 inner cavity chamber in the both sides of outer chamber, form the oil pressure circulatory system.
Embodiment 2: on the basis of the foregoing description, omit plunger lining 11, have same effect, but must keep plunger 9 to cooperate with the smooth seal of the middle pump housing 14 inwalls.Lower pump body 2 is managed orchid with upper pump casing 19 ends, is convenient to the pump lower end and links to each other with motor, and top links to each other with tubing string, and with being threaded, sealing is reliable between the pump housing, can reduce the radial dimension of pump simultaneously, makes pump be applicable to less pit shaft.
Its working principle is: transmission shaft links to each other with oil-submersible motor, rotate by the bevel gear on the driven by motor transmission shaft, and power passed to radially bevel gear, rotate together with camshaft, cam, promote plunger and pump, the hydraulic oil in the lower pump body is sucked, discharges by oil drain valve and oiling valve, the promotion barrier film moves up and down, thereby make oil sucting valve and draining valve unlatching, close, (fluid) well liquid is given rise to ground, spring is used to promote resetting of plunger.
Claims (3)
1, a kind of oil-submersible electric membrane pump, it is characterized in that: the pump housing is connected to form by upper pump casing, the middle pump housing and lower pump body three parts, the lower shaft of lower pump body is to being penetrated with transmission shaft, the top of transmission shaft is connected with axial bevel gear, in the lower pump body upper chamber, radially be fixed with camshaft, the middle part of camshaft is provided with cam, and is fixed with on camshaft and the axial meshing radially bevel gear of bevel gear; Be provided with the plunger exocoel in the middle pump housing, be provided with plunger in the exocoel, the bottom of plunger cooperates with the cam rotation, be provided with spring between the outer top of chamber of plunger head and plunger, along plunger axis to upwards being provided with inner cavity chamber, be provided with guiding valve in the inner cavity chamber, its upper end portion connected barrier film after guiding valve passed spring, outer chamber top successively, was respectively equipped with oil drain valve and the oiling valve that is communicated with between lower pump body upper chamber and the plunger cavity chamber in the both sides of outer chamber; The connecting part of the upper pump casing and the middle pump housing is shaped on the barrier film active chamber in advance, and barrier film radially is clamped in the transverse section of barrier film active chamber, is provided with draining valve between upper pump casing oil outlet and barrier film active chamber, is provided with oil sucting valve between the upper pump casing outside and the barrier film active chamber.
2, oil-submersible electric membrane pump according to claim 1 is characterized in that: set up the plunger lining between plunger outer wall and middle pump housing inwall, the plunger lining is provided with the catheter channel that connects with oil drain valve and oiling valve.
3, oil-submersible electric membrane pump according to claim 1 and 2 is characterized in that: camshaft two ends and lower pump body connecting part are provided with bearing and bearing cap, are provided with stuffing box bearing in the connecting part of transmission shaft and lower pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200194986U CN201184288Y (en) | 2008-03-28 | 2008-03-28 | Oil-submersible electric membrane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200194986U CN201184288Y (en) | 2008-03-28 | 2008-03-28 | Oil-submersible electric membrane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184288Y true CN201184288Y (en) | 2009-01-21 |
Family
ID=40272028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200194986U Expired - Fee Related CN201184288Y (en) | 2008-03-28 | 2008-03-28 | Oil-submersible electric membrane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184288Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255860B (en) * | 2008-03-28 | 2010-06-02 | 山东创佳石油机械制造有限公司 | Oil-submersible electric membrane pump |
| CN102493939A (en) * | 2011-12-15 | 2012-06-13 | 中国石油集团钻井工程技术研究院 | Combined-type single-plunger hydraulic pump for underground guiding energy acquiring device |
-
2008
- 2008-03-28 CN CNU2008200194986U patent/CN201184288Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255860B (en) * | 2008-03-28 | 2010-06-02 | 山东创佳石油机械制造有限公司 | Oil-submersible electric membrane pump |
| CN102493939A (en) * | 2011-12-15 | 2012-06-13 | 中国石油集团钻井工程技术研究院 | Combined-type single-plunger hydraulic pump for underground guiding energy acquiring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110939426B (en) | Centrifugal separation mechanism and co-well injection and production device using same | |
| CN101255860B (en) | Oil-submersible electric membrane pump | |
| CN201184288Y (en) | Oil-submersible electric membrane pump | |
| CN201041141Y (en) | Electric submersible bi-directional oil-pumping anti-sand pump | |
| CN202040053U (en) | Plunger-type diaphragm pump for submersible motor | |
| CN201606228U (en) | Plunger type diaphragm pump of submersible motor | |
| CN207673502U (en) | A kind of rod pumping pump and ground driving screw pump combined type oil pumping system | |
| CN203879716U (en) | Submersible motor plunger type diaphragm pump | |
| CN205189836U (en) | Liquid drives screw pump oil production equipment | |
| CN213743963U (en) | Oil-well pump device for oil and gas exploitation | |
| CN212454380U (en) | Oil pumping device of electric screw pump capable of separately pumping and mixing out oil submersible oil | |
| WO2019013675A1 (en) | Downhole pump | |
| CN114645880A (en) | High-efficiency hydraulic oil pumping unit | |
| CN212296324U (en) | Oil pumping device of electric screw pump capable of separately pumping and separating oil submersible | |
| CN212898899U (en) | Submersible single-cylinder plunger oil pump | |
| CN211500891U (en) | Reciprocating clean water pump for mine | |
| CN200946487Y (en) | Hydraulic pumping device | |
| CN106014910A (en) | Combined type double-acting rod type oil well pump and oil extraction method thereof | |
| CN207539007U (en) | Positive displacement pump, power plant and oil extraction system | |
| CN205101210U (en) | Move cylinder hydraulic oil -well pump | |
| CN201433755Y (en) | Deep well gas injection supercharging mechanical oil production device | |
| CN111236897A (en) | Oil pumping device of electric screw pump capable of separately pumping and separating oil submersible | |
| RU53388U1 (en) | DRIVE ELECTRIC DRIVE PUMP UNIT | |
| CN201228624Y (en) | Hydraulic screw pump | |
| CN213176001U (en) | Rodless oil well pump for rotary steering drilling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20130328 |