CN2623872Y - Oil well downhole pumping installation - Google Patents
Oil well downhole pumping installation Download PDFInfo
- Publication number
- CN2623872Y CN2623872Y CN 03245347 CN03245347U CN2623872Y CN 2623872 Y CN2623872 Y CN 2623872Y CN 03245347 CN03245347 CN 03245347 CN 03245347 U CN03245347 U CN 03245347U CN 2623872 Y CN2623872 Y CN 2623872Y
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- cylindrical
- linear bearing
- stator core
- oil well
- mover
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Abstract
The utility model discloses an underground pumping unit of the oil well consisting of a plunger reversible pump and a columnar synchronous linear motor with permanent magnetism which is composed of a columnar stator, a cylindrical mover, a cable head and a cable; the columnar consists of overlapped a plurality of discal stator iron core, an inner sleeve, an outer sleeve, loops which solely formed a three phase winding, an upper pressing block, a lower pressing block, an upper cover, a lower cover, an upper spring and a lower spring; the cylindrical mover consists of a cylindrical magnetism conducted yoke and a plurality pairs of heteropolarity tegular alnico, the adjacent tegular alnicos are separated by pole spacing board that a plurality of movers with opposite pole; the cylindrical mover and the columnar stator are connected with each other by the outer roller linear bearing without magnetism, each winding is connected with each other by the inner lead wire and the cable head, and the connection rod of the plunger reversible pump is connected with the top end of the cylindrical mover. The utility model has advantages of stable driving, simple structure, economical cost, east controlling and high efficiency.
Description
Technical field
The utility model relates to a kind of oil well down-hole oil rig.
Background technology
At present, the pumping unit of oil well that people use in oil exploitation comprises: beam pumping unit, sucker rod system and unidirectional plunger displacement pump, beam pumping unit, comprise: motor, gearbox, the belt drive unit of connection motor and gearbox, crank, support, connecting rod, walking beam, structures such as horse head, drive the sucker rod system that reaches one, two kms by beam pumping unit and do to rise and descend reciprocating motion, further drive unidirectional plunger displacement pump oil is released.This beam pumping unit exists weight big, the energy consumption height, performance is simple, operate heavy, problem such as efficient is low, every beam pumping unit functional utilization rate only is about 50%, not only caused huge energy waste, and, aggravated the reactive power consumption of dynamical system owing to alternately change the not stationarity that has formed ground system work with the down-hole of beam pumping unit associated working unidirectional plunger displacement pump size load, formed the inefficient operating mode of pumping unit of oil well.And the sucker rod system not only lowers efficiency, and also easily produces the down-hole fault simultaneously, influences normal operation.
Summary of the invention
The purpose of this utility model provides a kind of stable drive, and is simple in structure, and cost is low, easy to control, the oil well down-hole oil rig that efficient is high.
For achieving the above object, the utility model is taked following design scheme: a kind of oil well down-hole oil rig, and it is characterized in that: it comprises: plunger two-way pump and cylindrical permanent-magnet synchronous linear electric motor,
Described cylindrical permanent-magnet synchronous linear electric motor comprises cylindrical stator, cylinder type mover, cable head and cable,
Described cylindrical stator, comprise: several disc stator cores that stack together, described disc stator core is to be made by the monoblock permeability magnetic material, its middle part has an axially extending bore, one end has an annular groove, and its outside is provided with an axial crossed beam trunking; Be provided with an inner sleeve in the described disc stator core axially extending bore; Be placed on the outer sleeve of described disc stator core periphery; Be embedded in the coil in the described disc stator core annular groove, each described coil forms three phase windings; Be located at the upper holder block with axially extending bore of the superiors described disc stator core top; Be located at the lower lock block with axially extending bore of the described disc stator core of orlop below, be fixedly connected on the loam cake and the lower cover at described outer sleeve two ends, described loam cake middle part is provided with axially extending bore; One upper spring, the one end is fixedly connected on and covers, and its other end is connected with a spring cup; One lower spring, the one end is fixedly connected on down and covers, and its other end is connected with a spring cup;
Described cylinder type mover, comprise: cylindrical magnetic conduction yoke, card invest the some to the heteropolarity tile-shaped magnet steel of described cylindrical magnetic conduction yoke external surface, are separated by the interpolar dividing plate between the adjacent tile-shaped magnet steel, separate by magnetism-isolating loop between the heteropolarity tile-shaped magnet steel, constitute some utmost point mover;
Be connected by non magnetic outer ball linear bearing between described cylinder type mover and the described cylindrical stator, described non magnetic outer ball linear bearing comprises inner ring, the outer ring, ceramic balls, the upper ball cover and the lower ball cover that are connected with the outer ring with described inner ring, be provided with some annular Zhu Dao between described inner ring and the outer ring, described ceramic balls is positioned at described annular pearl road, and described each winding is connected with described cable head by placing the lead in the axial crossed beam trunking of described disc stator core;
The connecting rod of described plunger two-way pump passes described loam cake and is connected with described cylinder type mover top, is provided with linear bearing between described connecting rod and the described loam cake.
Described heteropolarity tile-shaped magnet steel be a pair of more than.
Be connected by universal connecting shaft knot between the top of described connecting rod and described cylinder type mover.
The inner ring of described non magnetic outer ball linear bearing, outer ring, upper ball cover and lower ball cover are provided with the little open slot that is interconnected.
The utility model has the advantages that: the utility model is owing to adopt above structure, after three phase windings of the coil of giving the cylindrical permanent-magnet synchronous linear electric motor pass to three-phase alternating current, three-phase alternating current then can produce the travelling-magnetic-field that moves in the axially extending bore of disc stator core, travelling-magnetic-field and cylinder type mover interact, then make the cylinder type mover moving linearly, thereby drive the work of plunger two-way pump by connecting rod.This shows that the utility model oil well down-hole oil rig is put with known oil well oil-pumping and compared, simple in structure, cost is low, and stable drive is easy to control, the efficient height.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is a disc stator core construction schematic diagram in the utility model
Fig. 3 is the schematic top plan view of Fig. 2
Fig. 4 is a cylinder type mover structural representation in the utility model
Fig. 5 is the schematic top plan view of Fig. 4
Fig. 6 is a non magnetic outer ball linear bearing structural representation in the utility model
Fig. 7 is the schematic top plan view of Fig. 6
Fig. 8 is non magnetic another example structure schematic diagram of outer ball linear bearing in the utility model
Fig. 9 is a non magnetic outer ball linear bearing example structure schematic diagram again in the utility model
Figure 10 is the another example structure schematic diagram of non magnetic outer ball linear bearing in the utility model
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, the utility model oil well down-hole oil rig, it is characterized in that: it comprises: plunger two-way pump 100 and cylindrical permanent-magnet synchronous linear electric motor 200,
Cylindrical permanent-magnet synchronous linear electric motor 200 comprises cylindrical stator, and cylinder type mover, cable head 1 and cable 2 is characterized in that:
Cylindrical stator, comprise: several disc stator cores 3 that stack together, disc stator core 3 (as Fig. 2, shown in Figure 3) is made by the monoblock permeability magnetic material, and its middle part has an axially extending bore, one end has an annular groove 4, and its outside is provided with an axial crossed beam trunking 5; Be provided with an inner sleeve 23 in disc stator core 3 axially extending bores; Be placed on the outer sleeve 6 of disc stator core 3 peripheries; Be embedded in the coil 7 in the disc stator core annular groove 4, each coil 7 forms three phase windings; Be located at the upper holder block with axially extending bore 8 of the superiors disc stator core 3 tops; Be located at the lower lock block with axially extending bore 9 of orlop disc stator core 3 belows, be fixedly connected on the loam cake 10 and the lower cover 11 at outer sleeve 6 two ends, loam cake 10 middle parts are provided with axially extending bore; One upper spring 12, one end are fixedly connected on the loam cake 10, and its other end is connected with a spring cup 13; One lower spring 14, the one end is fixedly connected on down and covers 11, and its other end is connected with a spring cup 13;
As Fig. 4, shown in Figure 5, cylinder type mover 40, comprise: cylindrical magnetic conduction yoke 15, card invests the some to heteropolarity tile-shaped magnet steel 16 of cylindrical magnetic conduction yoke 15 external surfaces, separate by interpolar dividing plate 17 between the adjacent tile-shaped magnet steel 16, separate by magnetism-isolating loop 18 between the heteropolarity tile-shaped magnet steel 16, constitute some utmost point mover;
Be connected by non magnetic outer ball linear bearing 38 between cylinder type mover 40 and the cylindrical stator, as Fig. 6, shown in Figure 7, non magnetic outer ball linear bearing 38 comprises inner ring 24, outer ring 25, ceramic balls 39, the upper ball cover 26 and the lower ball cover 27 that are connected with outer ring 25 with inner ring 24, be provided with some annular pearls road 28 between inner ring 24 and the outer ring 25, ceramic balls 39 is positioned at annular pearl road 28, and each winding is connected with cable head 1 by placing the lead 19 in the axial crossed beam trunking 5 of disc stator core;
The connecting rod 20 of plunger two-way pump 100 passes loam cake 10 and is connected with cylinder type mover 40 tops, be provided with linear bearing 22 between connecting rod 20 and the loam cake 10, plunger two-way pump 100 comprises: shell body 21 and inner housing 32, be formed with a collection chamber 33 between shell body 21 and the inner housing 32, be provided with plunger 34 in the inner housing 32, plunger 34 is connected with connecting rod 20 by shaft coupling 41, shell body 21 bottoms are provided with the linear bearing 22 that passes for connecting rod 20, shell body 21 tops are provided with oil-out 35, inner housing 21 bottoms are provided with following fuel-displaced ball valve 30 that leads to collection chamber 33 and the following fuel inlet ball check valve 31 that leads to outside the shell body 21, inner housing 21 tops are provided with last fuel-displaced ball valve 37 that leads to collection chamber 33 and the last fuel inlet ball check valve 36 that leads to outside the shell body 21, connecting rod 20 is provided with sealing device 42 with plunger two-way pump 100 and cylindrical permanent-magnet synchronous linear electric motor 200 connections, in order to avoid down-hole fluid infiltrates in plunger two-way pump 100 and the cylindrical permanent-magnet synchronous linear electric motor 200.
Plunger two-way pump 100 and cylindrical permanent-magnet synchronous linear electric motor 200 can be made of one, thereby down-hole fluid can't be infiltrated in the cylindrical permanent-magnet synchronous linear electric motor 200.
After three phase windings of the coil 7 of giving cylindrical permanent-magnet synchronous linear electric motor 200 pass to three-phase alternating current, three-phase alternating current then can produce the travelling-magnetic-field that moves in the axially extending bore of disc stator core 3, travelling-magnetic-field and cylinder type mover interact, then make the cylinder type mover moving linearly, thereby drive 100 work of plunger two-way pump by connecting rod, when plunger 34 is up, last fuel inlet ball check valve 36 and following fuel-displaced ball valve 30 are closed, following fuel inlet ball check valve 31 and last fuel-displaced ball valve 37 are opened, the oil of inner housing 32 inner plunger 34 tops then is discharged in the collection chamber 33 by last fuel-displaced ball valve 37, and by oil-out 35 discharges, shell body 21 outer oil then enter inner housing 32 inner plunger 34 belows by following fuel inlet ball check valve 31; When plunger 34 is descending, last fuel inlet ball check valve 36 and following fuel-displaced ball valve 30 are opened, following fuel inlet ball check valve 30 and last fuel-displaced ball valve 37 are closed, the oil of inner housing 32 inner plunger 34 belows then is discharged in the collection chamber 33 by following fuel-displaced ball valve 30, and by oil-out 35 discharges, shell body 21 outer oil then enter inner housing 32 inner plunger 34 tops by last fuel inlet ball check valve 36; So move in circles just oil exploitation to be come out.This shows that the utility model oil well down-hole oil rig is simple in structure, cost is low, and stable drive is easy to control, the efficient height.
Heteropolarity tile-shaped magnet steel 16 be a pair of more than, as be a pair of, how right two pairs, three pairs and other be more.
Be connected by universal connecting shaft knot 41 between the top of connecting rod 20 and cylinder type mover.
As shown in Figure 8, the inner ring of non magnetic outer ball linear bearing, outer ring, upper ball cover and lower ball cover are provided with the little open slot 29 that is interconnected, so that non magnetic outer ball linear bearing has certain elasticity.
As shown in Figure 9, the inner ring of non magnetic outer ball linear bearing, outer ring, upper ball cover and lower ball cover are provided with the big open slot 41 that is interconnected.
As shown in figure 10, non magnetic outer ball linear bearing is the outer ball linear bearing of split-type, so that assembling.
Claims (6)
1, a kind of oil well down-hole oil rig, it is characterized in that: it comprises: plunger two-way pump and cylindrical permanent-magnet synchronous linear electric motor,
Described cylindrical permanent-magnet synchronous linear electric motor comprises cylindrical stator, cylinder type mover, cable head and cable,
Described cylindrical stator, comprise: several disc stator cores that stack together, described disc stator core is to be made by the monoblock permeability magnetic material, its middle part has an axially extending bore, one end has an annular groove, and its outside is provided with an axial crossed beam trunking; Be provided with an inner sleeve in the described disc stator core axially extending bore; Be placed on the outer sleeve of described disc stator core periphery; Be embedded in the coil in the described disc stator core annular groove, each described coil forms three phase windings; Be located at the upper holder block with axially extending bore of the superiors described disc stator core top; Be located at the lower lock block with axially extending bore of the described disc stator core of orlop below, be fixedly connected on the loam cake and the lower cover at described outer sleeve two ends, described loam cake middle part is provided with axially extending bore; One upper spring, the one end is fixedly connected on and covers, and its other end is connected with a spring cup; One lower spring, the one end is fixedly connected on down and covers, and its other end is connected with a spring cup;
Described cylinder type mover, comprise: cylindrical magnetic conduction yoke, card invest the some to the heteropolarity tile-shaped magnet steel of described cylindrical magnetic conduction yoke external surface, are separated by the interpolar dividing plate between the adjacent tile-shaped magnet steel, separate by magnetism-isolating loop between the heteropolarity tile-shaped magnet steel, constitute some utmost point mover;
Be connected by non magnetic outer ball linear bearing between described cylinder type mover and the described cylindrical stator, described non magnetic outer ball linear bearing comprises inner ring, the outer ring, ceramic balls, the upper ball cover and the lower ball cover that are connected with the outer ring with described inner ring, be provided with some annular Zhu Dao between described inner ring and the outer ring, described ceramic balls is positioned at described annular pearl road, and described each winding is connected with described cable head by placing the lead in the axial crossed beam trunking of described disc stator core;
The connecting rod of described plunger two-way pump passes described loam cake and is connected with described cylinder type mover top, is provided with linear bearing between described connecting rod and the described loam cake.
2, the oil well down-hole oil rig according to claim 1 is characterized in that: described heteropolarity tile-shaped magnet steel be a pair of more than.
3, the oil well down-hole oil rig according to claim 1 is characterized in that: be connected by universal connecting shaft knot between the top of described connecting rod and described cylinder type mover.
4, according to claim 1 or 2 or 3 described oil well down-hole oil rigs, it is characterized in that: the inner ring of described non magnetic outer ball linear bearing, outer ring, upper ball cover and lower ball cover are provided with the little open slot that is interconnected.
5, according to claim 1 or 2 or 3 described oil well down-hole oil rigs, it is characterized in that: the inner ring of described non magnetic outer ball linear bearing, outer ring, upper ball cover and lower ball cover are provided with the big open slot that is interconnected.
6, according to claim 1 or 2 or 3 described oil well down-hole oil rigs, it is characterized in that: described non magnetic outer ball linear bearing is the outer ball linear bearing of split-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03245347 CN2623872Y (en) | 2003-04-17 | 2003-04-17 | Oil well downhole pumping installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03245347 CN2623872Y (en) | 2003-04-17 | 2003-04-17 | Oil well downhole pumping installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623872Y true CN2623872Y (en) | 2004-07-07 |
Family
ID=34251579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03245347 Expired - Fee Related CN2623872Y (en) | 2003-04-17 | 2003-04-17 | Oil well downhole pumping installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623872Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006029570A1 (en) * | 2004-09-17 | 2006-03-23 | Chunguo Feng | A nc reciprocating immersible oil pump |
| WO2007009318A1 (en) * | 2005-07-22 | 2007-01-25 | Shanzheng Wang | A reciprocation oil immersible electric magnet pump with cable wire |
| WO2010048756A1 (en) * | 2008-10-30 | 2010-05-06 | 深圳市大族精密机电有限公司 | Submersible linear motor for oil well |
| CN102384076A (en) * | 2011-10-19 | 2012-03-21 | 沈阳新城石油机械制造有限公司 | Digital-control reciprocating balancing and damping device for electric submergible pump |
| CN104135135A (en) * | 2014-07-25 | 2014-11-05 | 曲阜师范大学 | High-efficiency large-thrust cylindrical permanent-magnet linear motor for oil pumping unit |
| CN110805414A (en) * | 2019-11-11 | 2020-02-18 | 西安石油大学 | Stroke sensor of electric water injection tool for oil field |
-
2003
- 2003-04-17 CN CN 03245347 patent/CN2623872Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1790853A4 (en) * | 2004-09-17 | 2010-11-17 | Chunguo Feng | A nc reciprocating immersible oil pump |
| EP1790853A1 (en) * | 2004-09-17 | 2007-05-30 | Chunguo Feng | A nc reciprocating immersible oil pump |
| CN100353062C (en) * | 2004-09-17 | 2007-12-05 | 冯春国 | Digital control reciprocating oil submersible electric pump |
| EA009268B1 (en) * | 2004-09-17 | 2007-12-28 | Чуньго Фэн | A nc reciprocating immersible oil pump |
| AU2005284521B2 (en) * | 2004-09-17 | 2008-07-31 | Chunguo Feng | A nc reciprocating immersible oil pump |
| WO2006029570A1 (en) * | 2004-09-17 | 2006-03-23 | Chunguo Feng | A nc reciprocating immersible oil pump |
| US7789637B2 (en) | 2004-09-17 | 2010-09-07 | Chunguo Feng | Numerically controlled reciprocating submersible pump apparatus |
| WO2007009318A1 (en) * | 2005-07-22 | 2007-01-25 | Shanzheng Wang | A reciprocation oil immersible electric magnet pump with cable wire |
| WO2010048756A1 (en) * | 2008-10-30 | 2010-05-06 | 深圳市大族精密机电有限公司 | Submersible linear motor for oil well |
| CN102384076A (en) * | 2011-10-19 | 2012-03-21 | 沈阳新城石油机械制造有限公司 | Digital-control reciprocating balancing and damping device for electric submergible pump |
| CN102384076B (en) * | 2011-10-19 | 2015-04-01 | 沈阳新城石油机械制造有限公司 | Digital-control reciprocating balancing and damping device for electric submergible pump |
| CN104135135A (en) * | 2014-07-25 | 2014-11-05 | 曲阜师范大学 | High-efficiency large-thrust cylindrical permanent-magnet linear motor for oil pumping unit |
| CN110805414A (en) * | 2019-11-11 | 2020-02-18 | 西安石油大学 | Stroke sensor of electric water injection tool for oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |