CN101684726B - Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same - Google Patents
Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same Download PDFInfo
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- CN101684726B CN101684726B CN2008103046849A CN200810304684A CN101684726B CN 101684726 B CN101684726 B CN 101684726B CN 2008103046849 A CN2008103046849 A CN 2008103046849A CN 200810304684 A CN200810304684 A CN 200810304684A CN 101684726 B CN101684726 B CN 101684726B
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- magnet motor
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- compound permanent
- directive wheel
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Abstract
The invention discloses a three-upright-post oil sucking machine of a compound permanent magnet motor and a method for manufacturing the same, wherein the three upright posts are used for building a tower top platform; one upright post is a large-diameter upright post, and the other two upright posts are small-diameter upright posts; the center of gravity of the compound permanent magnet motor is positioned on a geometric center line of the large-diameter upright post; the large-diameter upright post is used as a main support for bearing an entire oil sucking machine system; the two small-diameter upright posts are used for supporting the tower top platform in auxiliary way and are also used as guide rails for guiding a weight tray to move vertically up and down; the position of a weight tray guide wheel adjusting device mounted on the tower top platform is adjusted to ensure that a thickness central line of a belt dragging the weight tray is coplanar with axial leads of the two small-diameter upright posts; and meanwhile, the position of an oil sucking machine belt guide wheel adjusting device mounted on the other side of the tower top platform is adjusted to ensure that the belt and a sucker rod of a de-fueling pump move vertically. The compound permanent magnet motor oil sucking machine with three upright posts has a simple structure, good working stability and long service life.
Description
Technical field
The present invention relates to a kind of three-upright-post oil sucking machine of compound permanent magnet motor that is used for the oil field oil pumping and preparation method thereof, belong to the oil pumper manufacture technology field.
Background technology
At present, oil pumper of the prior art generally adopts single column or the structure that rectangular support frame supports the cat head platform; The motor that will be used to draw ballast box and oil well pump sucker rod then is installed in the cat head platform, and the center of gravity of its motor generally all departs from the geometric center lines of single column or rectangular support frame, and the rotation centerline of motor generally all is changeless can not the adjusting to the distance of the center line of trailed ballast box and oil well pump sucker rod; Therefore; Oil pumper of the prior art in use, not only install adjustment is very inconvenient, and since the center of gravity of its motor not on the geometric center lines of support post or rectangular support frame; Whole oil pumper is stable very poor when therefore working; Vibrations are rocked very big, bring the lot of unstable factor, and operating efficiency are lower.Particularly single column pylon, because it is arranged on ballast box in single column, not only poor stability, and installation and maintenance is very inconvenient, the shortcoming of its poor stability was especially obvious when some were had darker oil well oil-pumping; And not only exist above-mentioned shortcoming for rectangular support frame, also exist the shortcoming that material cost is big and the processing assembling is all very complicated.
Summary of the invention
The present invention seeks to: provide a kind of simple in structure, mechanical structure rationally, three-upright-post oil sucking machine of compound permanent magnet motor that better working stability, application life are long and preparation method thereof, to overcome the deficiency of prior art.
The present invention is achieved in that the preparation method of a kind of three-upright-post oil sucking machine of compound permanent magnet motor of the present invention is: it adopts three root posts to support a cat head platform; One root post is the major diameter column; Other two root posts are the identical minor diameter column of diameter; And the diameter of major diameter column connects with the major diameter column cat head platform greater than 3～15 times of the diameters of minor diameter column through the structure that flange plate bolt is connected, make it have detachability; To be used for being installed in the cat head platform, and the center of gravity of compound permanent magnet motor is positioned on the geometric center lines of major diameter column through the compound permanent magnet motor of belt traction ballast box and oil well pump sucker rod; The mode that is installed in the ballast box directive wheel adjusting device position on the cat head platform through adjustment guarantees to draw the thickness of belt center line and the two minor diameter column axial line coplanes of ballast box, moves both vertically to guarantee ballast box; The thickness of belt center line that the mode that is installed in the belt of oil pumping machine directive wheel adjusting device position of another side on the cat head platform through adjustment simultaneously guarantees to draw the oil well pump sucker rod and the axial line of oil well pump sucker rod are identical in the distance of the rotation centerline of the mid-depth line of same plane and two belts that guarantee traction oil well pump sucker rod and compound permanent magnet motor; To guarantee that belt and oil well pump sucker rod move both vertically, prevent to damage the oil well pump sucker rod and reduce sucker rod and oil field shaft mouth between idle component.
The main support that the major diameter column carries as whole pumping unit system, two minor diameter columns be as supplemental support cat head platform the time, and it is made the guide rail that moves both vertically up and down as the guiding ballast box.
With two belts is one group of two ends that are connected the compound permanent magnet motor outer rotor respectively symmetrically, is used for drawing ballast box; Simultaneously other two belts for also being connected two of compound permanent magnet motor outer rotor symmetrically, another group are brought in traction oil well pump sucker rod; Two groups of belt coiling directions are opposite; Make ballast box by two belts of one group simultaneously during pulling motion, the oil well pump sucker rod is done rightabout motion by two belt tractions of another group.
A kind of three-upright-post oil sucking machine of compound permanent magnet motor of making according to method of the present invention is: it comprises large diameter main column type column; Main column type column is that monolayer steel pipe constitutes; Be provided with the supplemental support post of two minor diameters parallel with main column type column on the next door of main column type column; On main column type column and supplemental support post, be connected with the cat head platform; On the cat head platform, compound permanent magnet motor is installed; And the center of gravity line of compound permanent magnet motor is positioned on the main column type column center line, and its center of gravity line and central lines all are provided with two belt pulleys at the outer rotor two ends of compound permanent magnet motor; And on each belt pulley, all be provided with belt and connect pressing plate; On the cat head platform, the both sides of compound permanent magnet motor are separately installed with belt of oil pumping machine directive wheel adjusting device and ballast box directive wheel adjusting device, two belt of oil pumping machine that can be connected with the oil well pump sucker rod that is installed in oil field shaft mouth connect pressing plate through belt respectively with two ballast box belts that are connected with ballast box and are connected with the belt pulley at compound permanent magnet motor outer rotor two ends, the coiling direction that two belt of oil pumping machine and two ballast box belts are wound on the belt pulley is opposite; And two belt of oil pumping machine are supported on respectively on the directive wheel of two cover belt of oil pumping machine directive wheel adjusting devices; Two ballast box belts are supported on respectively on the directive wheel of two cover ballast box directive wheel adjusting devices, and ballast box is arranged between two supplemental support posts, and are that guide rail can move up and down with two supplemental support posts.
All be provided with in the bottom of above-mentioned main column type column and supplemental support post and be used for the base flange plate that is connected with the stone bolt of ground; Be provided with in the upper end of main column type column and be used for the upper flange plate that is connected with the cat head platform through bolt; The upper end of supplemental support post is connected with the cat head platform through bolt, and the diameter of main column type column is greater than 3～15 times of the diameters of supplemental support post.
On the crimping face of aforesaid belt connection pressing plate, be provided with the rake tooth that is used to increase crimping face frictional force.
On main column type column, be provided with the Stroke Control guide rod; The switching-over of control compound permanent magnet motor and the travel switch of limit travel are housed two ends respectively up and down at the Stroke Control guide rod, the control signal of travel switch is connected with the control apparatus operation cabinet of compound permanent magnet motor through lead.
On compound permanent magnet motor, also be provided with the electrohydraulic brake that is used to brake compound permanent magnet motor, and be connected with the hand-operated brake handle that can be installed on the ground through brake steel wire on the electrohydraulic brake.
On main column type column, be provided with the cage staircase, be provided with fence down in the bottom of main column type column, be provided with protective guard on the cat head platform.
Ballast box directive wheel adjusting device or belt of oil pumping machine directive wheel adjusting device respectively by directive wheel, regulate slide and form with the holder that the cat head platform is connected through bolt; Directive wheel is installed in through rotating shaft and regulates on the slide; Regulate slide and be connected on the holder, regulating the bolt adjustment hole that is provided with strip on slide and the holder through bolt.
On holder, be provided with and regulate the slide that slide is connected and move the adjusting bolt, and on the cat head platform, be provided with bolt block, the holder that is connected with holder is housed on bolt block moves the adjusting bolt.
Owing to adopted technique scheme; The present invention adopts three root posts to support the mode of a cat head platform; And the center of gravity that makes compound permanent magnet motor is positioned on the center line of major diameter column, simultaneously through regulate traction ballast box and the traction belts of oil well pump sucker rod and the verticality of the distance between the compound permanent magnet motor rotation centerline and ballast box and oil well pump sucker rod in the mode that supporting guide wheel is set on the cat head platform.Like this, the present invention can reduce the vibrations that produce because of imbalance effectively when work, whole oil pumper is worked on a more stable structure.Relevant department and the expert appraisal of the present invention's Science and Technology Department tissue through Guizhou Province are thought: " this oil pumper is arranged on the column type tower top with driver part; its center of gravity overlaps with the pylon geometric center; suspension point and counterweight are located at both sides; rationally distributed, compact conformation, mechanical structure is stablized, and is the design of a kind of innovative structure ".Device sample of the present invention check through national oil gas field wellhead equipment quality supervision and test center, the assay such as the following table of relevant Interventions Requested:
Interventions Requested: complete machine smoothness of operation
Standard-required: running should be steady, and impact, vibration and abnormal sound must not be arranged
Assay: meet the requirements
Interventions Requested: a top of the trellis pitch amplitude
Standard-required: allow 7 millimeters of amplitudes
Assay: 2 millimeters
Interventions Requested: support top cross amplitude
Standard-required: allow 7 millimeters of amplitudes
Assay: 1 millimeter
Interventions Requested: suspension point projection
Standard-required: after the rated load test, suspension point is projected in diameter projected's scope of 20mm.
Assay: 2 millimeters
In sum, the present invention compared with prior art, that the present invention has is simple in structure, the advantage of good operating stability, long service life.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left TV structure sketch map of Fig. 1;
Fig. 3 is the plan structure sketch map of Fig. 1;
Fig. 4 is that belt of the present invention connects the structural representation (being the A-A partial schematic sectional view among Fig. 2) that pressing plate and belt are connected with belt pulley;
Fig. 5 is the structural representation of ballast box directive wheel adjusting device of the present invention or belt of oil pumping machine directive wheel adjusting device.
Description of reference numerals: fence, 4-master's column type column, 5-cage staircase, 6-ballast box, 7-Stroke Control guide rod, 8-travel switch, 9-ballast box directive wheel adjusting device, 10-protective guard, 11-electrohydraulic brake, 12-compound permanent magnet motor, 13-belt of oil pumping machine directive wheel adjusting device, 14-belt of oil pumping machine, 15-brake steel wire, 16-oil well pump sucker rod, 17-hand-operated brake handle, 18-supplemental support post, 19-ballast box belt, 20-belt connect pressing plate, 21-cat head platform, 22-upper flange plate, 23-base flange plate, 24-directive wheel, 25-adjusting slide, 26-holder under 1-ground, 2-control apparatus operation cabinet, the 3-; The 27-slide moves the adjusting bolt; The 28-bolt block, the 29-holder moves the adjusting bolt.
The specific embodiment
Below in conjunction with embodiment the present invention is done further detailed description, but not as limitation of the present invention.
Embodiments of the invention: when adopting method of the present invention to make three-upright-post oil sucking machine of compound permanent magnet motor; Adopt three root posts to support the mode of a cat head platform; One root post is made into the major diameter column; Other two root posts are made as the identical minor diameter column of diameter; The diameter that makes the major diameter column is connected the cat head platform through flange with the major diameter column greater than 3～15 times of the diameters of minor diameter column with bolted structure, can make cat head platform and major diameter column have detachability like this; To be used for being installed in the cat head platform, and the center of gravity of compound permanent magnet motor is positioned on the geometric center lines of major diameter column through the compound permanent magnet motor of belt traction ballast box and oil well pump sucker rod; The mode that is installed in the ballast box directive wheel adjusting device position on the cat head platform through adjustment guarantees to draw the thickness of belt center line and the two minor diameter column axial line coplanes of ballast box, moves both vertically to guarantee ballast box; The thickness of belt center line that the mode that is installed in the belt of oil pumping machine directive wheel adjusting device position of another side on the cat head platform through adjustment simultaneously guarantees to draw the oil well pump sucker rod and the axial line of oil well pump sucker rod are identical in the distance of the rotation centerline of the mid-depth line of same plane and two belts that guarantee traction oil well pump sucker rod and compound permanent magnet motor; To guarantee that belt and oil well pump sucker rod move both vertically, prevent to damage the oil well pump sucker rod and reduce sucker rod and oil field shaft mouth between idle component; The main support that the major diameter column is carried as whole pumping unit system with two minor diameter columns as supplemental support cat head platform the time, and made the guide rail that moves both vertically up and down with it as the guiding ballast box; With two belts is one group of two ends that are connected the compound permanent magnet motor outer rotor respectively symmetrically, is used for drawing ballast box; Simultaneously other two belts for also being connected two of compound permanent magnet motor outer rotor symmetrically, another group are brought in traction oil well pump sucker rod; Two groups of belt coiling directions are opposite; Make ballast box by two belts of one group simultaneously during pulling motion, the oil well pump sucker rod is done rightabout motion by two belt tractions of another group.
When specifically making three-upright-post oil sucking machine of compound permanent magnet motor according to method of the present invention; Preferably make according to three-upright-post oil sucking machine of compound permanent magnet motor structure of the present invention; Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, during making, the diameter of main column type column 4 is controlled at 300～1000 millimeters; Main column type column 4 adopts the monolayer steel pipe structure; Main column type column 4 is welded after can adopting the roll of steel plate moulding of 5～20 millimeters thick, also can directly adopt the steel pipe section bar, and the supplemental support post 18 of two minor diameters parallel with main column type column 4 is set on the next door of main column type column 4; Supplemental support post 18 can directly adopt steel pipe manufacturing, and the diameter that makes main column type column 4 is greater than 3～15 times of the diameters of supplemental support post 18; All weld one in the bottom of main column type column 4 and supplemental support post 3 respectively and be used for the base flange plate 23 that is connected with the stone bolt of ground 1; One of welding is used for the upper flange plate 22 that is connected with cat head platform 21 through bolt in the upper end of main column type column 4; The upper end of supplemental support post 18 is connected with cat head platform 2 through bolt; And the upper flange plate on the main column type column 4 22 is connected with cat head platform 21 through bolt; On cat head platform 21, install compound permanent magnet motor 12; And the center of gravity line that makes compound permanent magnet motor 12 is positioned on the center line of main column type column 4; Make its center of gravity line and central lines; Compound permanent magnet motor 12 can directly adopt the finished product of selling on the market to install, and at the outer rotor two ends of compound permanent magnet motor 12 two belt pulleys is set respectively all, and on each belt pulley, all produces a belt connection pressing plate 20; On cat head platform 21, the both sides of compound permanent magnet motor 12 install two cover belt of oil pumping machine directive wheel adjusting devices 13 and two cover ballast box directive wheel adjusting devices 9 respectively; Two belt of oil pumping machine 14 that can be connected with the oil well pump sucker rod 16 that is installed in oil field shaft mouth connect pressing plate 20 through belt respectively with two ballast box belts 19 that are connected with ballast box 6 and are connected with the belt pulley at compound permanent magnet motor 12 outer rotor two ends, in order to make 20 crimping of belt connection pressing plate more reliable, can on belt connects the crimping face of pressing plate 20, produce the rake tooth that is used to increase crimping face frictional force; Can increase the crimping frictional force that belt connects pressing plate 20 so greatly; And compress the belt termination in pulley surface through trip bolt, and become the spiral form concentric by clockwise or contrary clockwise direction coiling belt with the belt pulley axle center, soon the coiling direction that is wound on the belt pulley of two belt of oil pumping machine 14 and two ballast box belts 19 is opposite; And two belt of oil pumping machine 14 are supported on respectively on the directive wheel of two cover belt of oil pumping machine directive wheel adjusting devices 13; Two ballast box belts 19 are supported on respectively on the directive wheel of two cover ballast box directive wheel adjusting devices 9, and ballast box 6 is arranged between two supplemental support posts 18, making ballast box 6 is that guide rail can move up and down with two supplemental support posts 18; In order to control to adjust conveniently; Up stroke control guide rod 7 is set on main column type column 4; Install respectively at the two ends up and down of Stroke Control guide rod 7 and to be used to control the switching-over of compound permanent magnet motor 12 and 4 travel switches 8 of limit travel, the control signal of these 4 travel switches 8 is operated cabinet 2 through lead with the control apparatus of compound permanent magnet motor 12 be connected; In order to stop the moving situation of compound permanent magnet motor 12 in time; An electrohydraulic brake 11 that is used to brake compound permanent magnet motor 12 is installed on compound permanent magnet motor 12 again; And connecting the hand-operated brake handle 17 that can be installed on the ground 1 through brake steel wire 15 on the electrohydraulic brake 11; Make hand-operated brake handle 17 and electrohydraulic brake 11 be integrated into a mechanical brake device, can realize electrodynamic or hand brake respectively according to the needs that use like this, even under situation about having a power failure; Also can brake compound permanent magnet motor 12 through hand-operated brake handle 17, electrohydraulic brake 11 can directly adopt the finished product on the market to install; In order to use safe ready more, on main column type column 4, produce cage staircase 5 simultaneously, make a following fence 3 in the bottom of main column type column 4, protective guard 10 on making on the cat head platform 21; When making ballast box directive wheel adjusting device 9 or belt of oil pumping machine directive wheel adjusting device 13; Can the structure fabrication of ballast box directive wheel adjusting device 9 or belt of oil pumping machine directive wheel adjusting device 13 be become identical structure; Soon ballast box directive wheel adjusting device 9 or belt of oil pumping machine directive wheel adjusting device 13 are made into respectively by directive wheel 24, adjusting slide 25 and form with the holder 26 that is connected with cat head platform 21 through bolt; Directive wheel 24 is installed on the adjusting slide 25 through rotating shaft; To regulate slide 25 and be connected on the holder 26, on adjusting slide 25 and holder 26, produce the bolt adjustment hole that length is the strip of 50～100 millimeters long simultaneously respectively through bolt; Convenient in order to regulate; One or two slide that is connected with adjusting slide 25 is installed respectively on each holder 26 is moved adjusting bolt 27; And one or two bolt block 28 is all fixed on the next door of each holder 26 on cat head platform 21, on each bolt block 28, all adorns a holder that is connected with holder 26 and moves and regulate bolt 29.
Claims (6)
1. three-upright-post oil sucking machine of compound permanent magnet motor; Comprise large diameter main column type column (4); It is characterized in that: main column type column (4) constitutes for monolayer steel pipe; Be provided with the supplemental support post (18) of two minor diameters parallel with main column type column (4) on the next door of main column type column (4); On main column type column (4) and supplemental support post (18), be connected with cat head platform (21); Compound permanent magnet motor (12) is installed on cat head platform (21); And the center of gravity line of compound permanent magnet motor (12) is positioned on main column type column (4) center line; Its center of gravity line and central lines; All be provided with two belt pulleys at the outer rotor two ends of compound permanent magnet motor (12), and on each belt pulley, all be provided with belt connection pressing plate (20), both sides last at cat head platform (21), compound permanent magnet motor (12) are separately installed with belt of oil pumping machine directive wheel adjusting device (13) and ballast box directive wheel adjusting device (9); Can two belt of oil pumping machine (14) that be connected with the oil well pump sucker rod (16) that is installed in oil field shaft mouth and the two ballast box belts (19) that are connected with ballast box (6) be connected with the belt pulley at compound permanent magnet motor (12) outer rotor two ends through belt connection pressing plate (20) respectively; The coiling direction that two belt of oil pumping machine (14) and two ballast box belts (19) are wound on the belt pulley is opposite, and two belt of oil pumping machine (14) are supported on respectively on the directive wheel of two cover belt of oil pumping machine directive wheel adjusting devices (13), and two ballast box belts (19) are supported on respectively on the directive wheel of two cover ballast box directive wheel adjusting devices (9); Ballast box (6) is arranged between two supplemental support posts (18), and is that guide rail can move up and down with two supplemental support posts (18); Ballast box directive wheel adjusting device (9) or belt of oil pumping machine directive wheel adjusting device (13) are made up of with the holder (26) that is connected with cat head platform (21) through bolt directive wheel (24), adjusting slide (25) respectively; Directive wheel (24) is installed in through rotating shaft and regulates on the slide (25); Regulate slide (25) and be connected on the holder (26), regulating the bolt adjustment hole that is provided with strip on slide (25) and the holder (26) through bolt.
2. three-upright-post oil sucking machine of compound permanent magnet motor according to claim 1 is characterized in that: on the crimping face of belt connection pressing plate (20), be provided with the rake tooth that is used to increase crimping face frictional force.
3. three-upright-post oil sucking machine of compound permanent magnet motor according to claim 1; It is characterized in that: on main column type column (4), be provided with Stroke Control guide rod (7); The switching-over of control compound permanent magnet motor (12) and the travel switch (8) of limit travel are housed two ends respectively up and down at Stroke Control guide rod (7), the control signal of travel switch (8) is connected with the control apparatus operation cabinet (2) of compound permanent magnet motor (12) through lead.
4. three-upright-post oil sucking machine of compound permanent magnet motor according to claim 1; It is characterized in that: on compound permanent magnet motor (12), also be provided with the electrohydraulic brake (11) that is used to brake compound permanent magnet motor (12), and upward be connected with the hand-operated brake handle (17) that can be installed on the ground (1) through brake steel wire (15) at electrohydraulic brake (11).
5. three-upright-post oil sucking machine of compound permanent magnet motor according to claim 1; It is characterized in that: on main column type column (4), be provided with cage staircase (5); Be provided with fence (3) down in the bottom of main column type column (4), on cat head platform (21), be provided with protective guard (10).
6. three-upright-post oil sucking machine of compound permanent magnet motor according to claim 1; It is characterized in that: on holder (26), be provided with and regulate slide that slide (25) is connected and move and regulate bolt (27); And on cat head platform (21), be provided with bolt block (28), the holder that is connected with holder (26) be housed on bolt block (28) move adjusting bolt (29).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103046849A CN101684726B (en) | 2008-09-26 | 2008-09-26 | Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same |
| CA 2666639 CA2666639C (en) | 2008-09-26 | 2009-05-22 | A 3-pillar pumping unit driven by compound permanent-magnet motor & its fabrication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103046849A CN101684726B (en) | 2008-09-26 | 2008-09-26 | Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101684726A CN101684726A (en) | 2010-03-31 |
| CN101684726B true CN101684726B (en) | 2012-05-23 |
Family
ID=42048067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103046849A Expired - Fee Related CN101684726B (en) | 2008-09-26 | 2008-09-26 | Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101684726B (en) |
| CA (1) | CA2666639C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287169B (en) * | 2011-08-18 | 2015-06-03 | 河南双发石油装备制造股份有限公司 | Rolling cylinder and tower frame type oil pumping unit |
| CN102817587B (en) * | 2011-11-15 | 2015-05-27 | 中国石油大学(华东) | Direct drive motor pumping unit |
| CN105019866B (en) * | 2015-07-23 | 2018-03-06 | 浙江西传电气科技有限公司 | A kind of efficient direct-drive oil extractor with single action pulley and single fixed pulley |
| CN107227944A (en) * | 2017-08-07 | 2017-10-03 | 四川现代世际机电股份有限公司 | Tower shelf type oil pumping machine |
| CN112523703A (en) * | 2020-12-01 | 2021-03-19 | 长江大学 | Integrally-enhanced dead rope fixer |
| CN117948266B (en) * | 2024-03-27 | 2024-06-14 | 山东常城机械制造有限公司 | Counterweight protection device for pumping unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849221Y (en) * | 2005-12-06 | 2006-12-20 | 迟广林 | Compound permanent magnet electric oil pumping machine |
| CN2858942Y (en) * | 2005-09-02 | 2007-01-17 | 濮阳市信宇石油机械化工有限公司 | Oil pumping unit for external-rotor big-torque motor |
| CN1936268A (en) * | 2006-09-10 | 2007-03-28 | 濮阳市信宇石油机械化工有限公司 | Vertical oil-pumping machine |
| CN201047344Y (en) * | 2007-02-05 | 2008-04-16 | 北京华能通达能源科技有限公司 | Straight-line balance type long stroke energy-saving oil pumping machine |
| CN201265398Y (en) * | 2008-09-26 | 2009-07-01 | 贵州航天林泉电机有限公司 | Three-column type compound permanent magnet motor oil pumping machine |
-
2008
- 2008-09-26 CN CN2008103046849A patent/CN101684726B/en not_active Expired - Fee Related
-
2009
- 2009-05-22 CA CA 2666639 patent/CA2666639C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858942Y (en) * | 2005-09-02 | 2007-01-17 | 濮阳市信宇石油机械化工有限公司 | Oil pumping unit for external-rotor big-torque motor |
| CN2849221Y (en) * | 2005-12-06 | 2006-12-20 | 迟广林 | Compound permanent magnet electric oil pumping machine |
| CN1936268A (en) * | 2006-09-10 | 2007-03-28 | 濮阳市信宇石油机械化工有限公司 | Vertical oil-pumping machine |
| CN201047344Y (en) * | 2007-02-05 | 2008-04-16 | 北京华能通达能源科技有限公司 | Straight-line balance type long stroke energy-saving oil pumping machine |
| CN201265398Y (en) * | 2008-09-26 | 2009-07-01 | 贵州航天林泉电机有限公司 | Three-column type compound permanent magnet motor oil pumping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2666639C (en) | 2012-07-17 |
| CN101684726A (en) | 2010-03-31 |
| CA2666639A1 (en) | 2010-03-26 |
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