CN203925441U - The dead-weight balanced formula beam-pumping unit of motor direct driving - Google Patents
The dead-weight balanced formula beam-pumping unit of motor direct driving Download PDFInfo
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- CN203925441U CN203925441U CN201420368017.8U CN201420368017U CN203925441U CN 203925441 U CN203925441 U CN 203925441U CN 201420368017 U CN201420368017 U CN 201420368017U CN 203925441 U CN203925441 U CN 203925441U
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- walking beam
- connecting rod
- crank
- brake
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Abstract
The dead-weight balanced formula beam-pumping unit of motor direct driving comprises: polished rod eye, horse head, walking beam, balance weight, brake disc, check mechanism, a motor, crank, connecting rod, after-poppet, brake connecting rod, brake lever, frequency conversion tank, hinge, base, fore-stock.Its polished rod eye is suspended on walking beam front end horse head, fore-stock on base connects by middle (center) bearing with walking beam middle part, and bottom surface, walking beam rear portion is provided with motor, and motor reel is equipped with crank, crank is connected with connecting rod by crank-pin assembly, the connecting rod other end and the chain connection that is fixed on base; Walking beam rear portion is provided with balance weight, and walking beam afterbody is provided with brake disc, and the outside check mechanism of brake disc is supported by after-poppet on base, and check mechanism is controlled by brake lever by brake connecting rod.The utility model adopts magnetic coupling slow-speed motor, meets the requirement of the high-power output of low speed, has simplified oil pumper transmission mechanism, utilizes the weight balancing oil pumper of motor, simple in structure, stable work in work, energy conservation, reduction maintenance cost.
Description
Technical field
The utility model relates to the beam-pumping unit of oilfield exploitation oil, is specifically related to the dead-weight balanced formula beam-pumping unit of a kind of motor direct driving.
Background technology
At present beam pumping unit is one of oil pumper type of mainly using of oil field.Its operating principle is: take motor as power, utilize belt transmission effect, drive reduction box work, from reduction gearbox output shaft output slow-speed of revolution campaign, and drive crank to rotate, by connecting rod, walking beam and mule-head hanger, drive polished rod, rod string, oil well pump to move reciprocatingly.Traditional this beam pumping unit, there are the following problems: the one, complex structure; The 2nd, poor work stability, easily there is wearing and tearing or broken teeth, belt easy fracture in the gear on reduction box; The 3rd, consume energy high, gear drive and belt transmission all can cause gearing loss; The 4th, maintenance cost is high, and gear drive and belt transmission all can cause machine driving loss, for guaranteeing normal use, needs the lubrication oil in periodic replacement belt and reduction box; The 5th, consumptive material is high, and reducer, base and motor weight are not utilized.Therefore, we need a kind of simple in structure, job stability is high, it is low to consume energy, maintenance cost is low beam pumping unit.
Summary of the invention
The purpose of this utility model is will solve in prior art, and beam pumping unit complex structure, poor work stability, the problem that power consumption is high, maintenance cost is high, provide a kind of motor direct driving dead-weight balanced formula beam-pumping unit.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
The dead-weight balanced formula beam-pumping unit of motor direct driving, comprising: polished rod eye, horse head, walking beam, balance weight, brake disc, check mechanism, motor, crank, connecting rod, after-poppet, brake connecting rod, brake lever, switchbox,
Hinge, base, fore-stock.The polished rod eye of the dead-weight balanced formula beam-pumping unit of described motor direct driving is suspended on
On horse head, the front end of walking beam connects with horse head, base front end is provided with fore-stock, fore-stock connects by middle (center) bearing with the middle part of walking beam, the bottom surface, rear portion of walking beam is provided with motor, motor reel is equipped with crank, and crank is connected with connecting rod by crank-pin assembly, the other end of connecting rod be fixed on the chain connection on base; The rear portion of walking beam is provided with balance weight, and the afterbody of walking beam is provided with brake disc, and the outside of brake disc is provided with check mechanism, and check mechanism is supported by the after-poppet that is located at base rear end, and check mechanism is controlled by brake lever by brake connecting rod.
Motor in the dead-weight balanced formula beam-pumping unit of above-mentioned motor direct driving comprises the strong magnetic end of rare earth and copper dish, is magnetic coupling low speed dual output motor.
Brake disc in the dead-weight balanced formula beam-pumping unit of above-mentioned motor direct driving is lonely type, and radian is identical with beam travelling tail end movement locus, and the plane of brake disc is provided with hollow decorative pattern.
Motor output shaft in the dead-weight balanced formula beam-pumping unit of above-mentioned motor direct driving and hinge be centered close to same vertical line.
Operating principle
The magnetic coupling low speed dual output motor rotation of the dead-weight balanced formula beam-pumping unit of motor direct driving directly drives crank rotation, crank drivening rod swings, rotatablely moving of motor become to the upper and lower motion that walking beam drives horse head, horse head drives polished rod, rod string, oil well pump to move reciprocatingly by polished rod eye, downhole crude is drawn up, when down stroke, motor stores gravitation energy, and during upstroke, balanced action has been played in the deadweight of motor.
The beneficial effects of the utility model are: adopt magnetic coupling slow-speed motor, meet the requirement of the high-power output of low speed, simplified oil pumper transmission mechanism, utilized the weight balancing oil pumper of motor, saving steel, simple in structure, stable work in work, energy conservation, reduction maintenance cost.
Accompanying drawing explanation
The main TV structure schematic diagram of Fig. 1-the utility model.
In accompanying drawing, 1. polished rod eye, 2. horse head, 3. walking beam, 4. balance weight, 5. brake disc, 6. check mechanism, 7. magnetic coupling slow-speed motor, 8. crank, 9. connecting rod, 10. after-poppet, 11. brake connecting rods, 12. brake levers, 13. frequency conversion tank, 14. hinges, 15. bases, 16. fore-stocks, 17. polished rods.
The specific embodiment
The dead-weight balanced formula beam-pumping unit of motor direct driving is by polished rod eye 1, horse head 2, walking beam 3, balance weight 4, brake disc 5, check mechanism 6, motor 7, and crank 8, connecting rod 9, after-poppet 10, brake connecting rod 11, brake lever 12, switchbox 13, hinge 14, base 15, fore-stock 16 form.The polished rod eye 1 of the dead-weight balanced formula beam-pumping unit of described motor direct driving is suspended on horse head 2, the front end of walking beam 3 connects with horse head 2, base 15 front ends are provided with fore-stock 16, fore-stock 16 connects by middle (center) bearing with the middle part of walking beam 3, the bottom surface, rear portion of walking beam 3 is provided with motor 7, motor 7 axles are equipped with crank 8, and crank 8 is connected with connecting rod 9 by crank-pin assembly, and the other end of connecting rod 9 is connected with the hinge 14 being fixed on base 15; The rear portion of walking beam 3 is provided with balance weight 4, and the afterbody of walking beam 3 is provided with brake disc 5, and the outside of brake disc 5 is provided with check mechanism 6, and check mechanism 6 is supported by the after-poppet 10 that is located at base 15 rear ends, and check mechanism 6 is controlled by brake lever 12 by brake connecting rod 11.Motor 7 comprises the strong magnetic end of rare earth and copper dish.Adopt magnetic coupling technology, utilize the strong magnetic end of rare earth, during with the relative motion of copper dish, the huge magnetic force of generation, directly driving crank 8 work.Meanwhile, by frequency conversion tank 13 frequency conversion control techniques, motor 7 is carried out to stepless speed regulation, thereby make motor 7 keep the required high-power output state of low speed, speed is at 0.5～12 rev/min.Adopt the low speed high power motor 7 of magnetic coupling technology, having replaced traditional motor drives reduction box to work by belt, simplified frame for movement, gearless driving and belt transmission, avoided mechanical loss, saved cost, utilize motor 7 Deadweight balance oil pumping machines, energy-saving effect is remarkable, and stable work in work has reduced the maintenance cost of beam-pumping unit.The dead-weight balanced formula beam-pumping unit of motor direct driving is applicable to the technological transformation of common beam oil pump energy-saving.
Claims (4)
1. the dead-weight balanced formula beam-pumping unit of motor direct driving, comprise: polished rod eye (1), horse head (2), walking beam (3), balance weight (4), brake disc (5), check mechanism (6), motor (7), crank (8), connecting rod (9), after-poppet (10), brake connecting rod (11), brake lever (12), switchbox (13), hinge (14), base (15), fore-stock (16); The polished rod eye (1) of the dead-weight balanced formula beam-pumping unit of described motor direct driving is suspended on horse head (2), the front end of walking beam (3) connects with horse head (2), base (15) front end is provided with fore-stock (16), fore-stock (16) connects by middle (center) bearing with the middle part of walking beam (3), the bottom surface, rear portion of walking beam (3) is provided with motor (7), motor (7) axle is equipped with crank (8), crank (8) is connected with connecting rod (9) by crank-pin assembly, and the other end of connecting rod (9) is connected with the hinge (14) being fixed on base (15); The rear portion of walking beam (3) is provided with balance weight (4), the afterbody of walking beam (3) is provided with brake disc (5), the outside of brake disc (5) is provided with check mechanism (6), check mechanism (6) is supported by the after-poppet (10) that is located at base (15) rear end, and check mechanism (6) is controlled by brake lever (12) by brake connecting rod (11).
2. according to the dead-weight balanced formula beam-pumping unit of motor direct driving described in claim 1, it is characterized in that: described motor (7) comprises the strong magnetic end of rare earth and copper dish, is magnetic coupling low speed dual output motor.
3. according to the dead-weight balanced formula beam-pumping unit of motor direct driving described in claim 1, it is characterized in that: described brake disc (5) is lonely type, and radian is identical with walking beam (3) tail end movement locus, and the plane of brake disc (5) is provided with hollow decorative pattern.
4. according to the dead-weight balanced formula beam-pumping unit of motor direct driving described in claim 1, it is characterized in that: described motor (7) output shaft and hinge (14) be centered close to same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368017.8U CN203925441U (en) | 2014-07-05 | 2014-07-05 | The dead-weight balanced formula beam-pumping unit of motor direct driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368017.8U CN203925441U (en) | 2014-07-05 | 2014-07-05 | The dead-weight balanced formula beam-pumping unit of motor direct driving |
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| Publication Number | Publication Date |
|---|---|
| CN203925441U true CN203925441U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368017.8U Expired - Fee Related CN203925441U (en) | 2014-07-05 | 2014-07-05 | The dead-weight balanced formula beam-pumping unit of motor direct driving |
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| CN (1) | CN203925441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047578A (en) * | 2014-07-05 | 2014-09-17 | 中国石油化工股份有限公司 | Electric motor direct-drive dead-weight balanced type beam-pumping unit |
-
2014
- 2014-07-05 CN CN201420368017.8U patent/CN203925441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047578A (en) * | 2014-07-05 | 2014-09-17 | 中国石油化工股份有限公司 | Electric motor direct-drive dead-weight balanced type beam-pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160705 |