CN211081813U - Eccentric wheel type double-well pumping unit - Google Patents
Eccentric wheel type double-well pumping unit Download PDFInfo
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- CN211081813U CN211081813U CN201922171324.2U CN201922171324U CN211081813U CN 211081813 U CN211081813 U CN 211081813U CN 201922171324 U CN201922171324 U CN 201922171324U CN 211081813 U CN211081813 U CN 211081813U
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Abstract
An eccentric wheel type twin-well pumping unit comprises a base, wherein supports are arranged on two sides of the base, a protection box is arranged between the supports, a rack reversing moving frame is arranged in the protection box and is connected with a guide rail through a guide rail sliding block, a rack is arranged in the rack reversing moving frame and is meshed with a long rod incomplete round gear, a sliding chute of a long rod incomplete round gear long rod is connected with an eccentric pin shaft of an eccentric pin shaft gear in a sliding mode, and the eccentric pin shaft gear is meshed with a reducer output shaft gear; the motor drives the gear of the output shaft of the speed reducer to be meshed with the gear of the eccentric pin shaft for transmission, so that the eccentric pin shaft drives the long rod incomplete round gear to swing left and right around the fixed central shaft, and the rack reversing moving frame are driven to do reciprocating linear motion left and right; realizing the alternate oil pumping operation of two wells; the utility model has the advantages of simple structure, less transmission links, stable transmission, high efficiency and energy saving.
Description
Technical Field
The utility model relates to a twin-well beam-pumping unit especially relates to an eccentric wheeled twin-well beam-pumping unit.
Background
Along with the continuous deepening of oil field development, the oil field has a primary encrypted well and a secondary encrypted well, even has a tertiary encrypted well, so that the well spacing is closer and closer, and the well condition difference of two adjacent wells is not large, thereby providing favorable conditions for single-machine double-well oil extraction.
In the published patent, "a split twin-well pumping unit" (CN201120146932.9) adopts a permanent-magnet ac servo motor or a switched reluctance speed-regulating motor connected with a reducer through a coupler, directly drives a power belt press roller, removes a reversing device, and realizes continuous oil extraction operation of an underground oil-well pump through positive and negative rotation of the motor; the swing type twin-well pumping unit (CN201020266229.7) adopts a permanent magnet synchronous motor, is directly connected with a sucker rod string through a steel wire rope by a swing reversing device, and realizes oil extraction operation. The patent is used for double-well exploitation, has an energy-saving effect, improves the transmission efficiency, has unstable transmission, is difficult to satisfy the exploitation of oil wells with different strokes, and has poor adaptability.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a put forward eccentric wheel formula twin-well beam-pumping unit, can adapt to different well spacing, conveniently adjust the stroke, have simple structure, transmission link are few, the transmission is steady and energy-efficient advantage.
In order to achieve the above object, the utility model discloses a technical scheme be:
an eccentric wheel type double-well pumping unit comprises a base 1, wherein a support 2 is arranged on the base 1 and above an oil well; upper pulleys 5 are arranged on two sides of the top of each support 2, a protection box 3 is arranged between the supports 2 of two adjacent oil wells, and lower pulleys 4 are arranged on two sides of each protection box 3 and close to the bottoms of the supports 2; the bottom of the protection box 3 is provided with a guide rail, a rack reversing moving frame 6 is arranged in the protection box 3, the bottom of the rack reversing moving frame 6 is provided with a guide rail sliding block 7, and the guide rail sliding block 7 is connected with the guide rail in a sliding manner; two outer side walls of the rack reversing moving frame 6 are fixedly connected with one end of a steel wire rope 8 on the same side of the rack reversing moving frame, and the other ends of the steel wire ropes 8 on the two sides are respectively connected with a rope hanger 9 by bypassing the lower pulley 4 and the upper pulley 5 on the same side of the rack reversing moving frame; a rack 10 is fixedly arranged on the inner bottom surface of the rack reversing moving frame 6, the rack 10 is meshed with a long rod incomplete round gear 11, and the long rod incomplete round gear 11 is connected with a fixing plate 13 arranged on the inner side of the rear wall of the protection box 3 through a fixing shaft; a permanent magnet motor 14 is arranged at the rear part of the protection box 3, a power output shaft of the permanent magnet motor 14 is connected with a power input shaft of a speed reducer 15 through a coupling, the power output shaft of the speed reducer 15 is connected with a gear 16 of an output shaft of the speed reducer, the gear 16 of the output shaft of the speed reducer is meshed with an eccentric pin shaft gear 17 arranged on a fixing plate 13, an eccentric pin shaft 18 is arranged on the eccentric pin shaft gear 17, and the eccentric pin shaft 18 is in sliding connection with a sliding groove 12 arranged on a long rod incomplete round gear 11.
The base 1 is further provided with a super capacitor 19, a power input end of the super capacitor 19 is connected with a main power supply, and a power output end of the super capacitor 19 is connected with a power input end of the permanent magnet motor 14.
The eccentric pin shaft gear 17 and the long rod incomplete circular gear 11 are arranged on the same plumb line.
The reducer output shaft gear 16 and the eccentric pin shaft gear 17 are installed on the same horizontal line.
The reducer output shaft gear 16 and the eccentric pin shaft gear 17 are slightly staggered in the axial direction, and the reducer output shaft gear 16 does not interfere with the long rod incomplete round gear 11.
The utility model has the advantages that:
1. the direct meshing transmission mode of the rack 10 and the long rod non-complete circular gear 11 is adopted, so that the torque is large and the transmission efficiency is high.
2. The stroke of the pumping unit can be conveniently changed by changing the turning radius of the eccentric pin shaft 18, so that the pumping unit can be suitable for long-stroke oil well exploitation.
3. By changing the positions of the two supports 2, different well spacing requirements can be met.
4. When one of the wells stops working, the operation of the other well is not influenced, and single-well operation can be realized.
To sum up, the utility model has the advantages of simple structure, few transmission links, stable transmission and high efficiency and energy conservation.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a schematic diagram of the engagement between the eccentric pin gear and the reducer output shaft gear according to the present invention, in which fig. 3(a) is a front view and fig. 3(b) is a top view.
Fig. 4 is a schematic structural view of the long rod non-complete circular gear of the present invention.
Fig. 5 is a schematic view of the oil groove of the guide rail of the present invention.
In the figure: 1. a base; 2. a support; 3. a protection box; 4. a lower pulley; 5. an upper pulley; 6. the rack reversing moving frame; 7. a guide rail slider; 8. a wire rope; 9. a rope hanger; 10. a rack; 11. a long rod non-complete circular gear; 12. a chute; 13. a fixing plate; 14. a permanent magnet motor; 15. a speed reducer; 16. a reducer output shaft gear; 17. an eccentric pin gear; 18. an eccentric pin shaft; 19. a super capacitor; 20. and the guide rail oil groove.
Detailed Description
The structure principle and the working principle of the present invention are further explained with the attached drawings as follows:
referring to fig. 1 and 2, the eccentric wheel type twin-well pumping unit comprises a base 1, wherein a support 2 is arranged on the base 1 and above an oil well; upper pulleys 5 are arranged on two sides of the top of each support 2, a protection box 3 is arranged between the supports 2 of two adjacent oil wells, and lower pulleys 4 are arranged on two sides of each protection box 3 and close to the bottoms of the supports 2; the bottom of the protection box 3 is provided with a guide rail, a rack reversing moving frame 6 is arranged in the protection box 3, the bottom of the rack reversing moving frame 6 is provided with a guide rail sliding block 7, and the guide rail sliding block 7 is connected with the guide rail in a sliding manner; two outer side walls of the rack reversing moving frame 6 are fixedly connected with one end of a steel wire rope 8 on the same side of the rack reversing moving frame, and the other ends of the steel wire ropes 8 on the two sides are respectively connected with a rope hanger 9 by bypassing the lower pulley 4 and the upper pulley 5 on the same side of the rack reversing moving frame; a rack 10 is fixedly arranged on the inner bottom surface of the rack reversing moving frame 6, the rack 10 is meshed with a long rod incomplete round gear 11, and the long rod incomplete round gear 11 is connected with a fixing plate 13 arranged on the inner side of the rear wall of the protection box 3 through a fixing shaft; a permanent magnet motor 14 is arranged at the rear part of the protection box 3, a power output shaft of the permanent magnet motor 14 is connected with a power input shaft of a speed reducer 15 through a coupling, the power output shaft of the speed reducer 15 is connected with a gear 16 of an output shaft of the speed reducer, the gear 16 of the output shaft of the speed reducer is meshed with an eccentric pin shaft gear 17 arranged on a fixing plate 13, an eccentric pin shaft 18 is arranged on the eccentric pin shaft gear 17, and the eccentric pin shaft 18 is in sliding connection with a sliding groove 12 arranged on a long rod incomplete round gear 11.
The base 1 is further provided with a super capacitor 19, the power input end of the super capacitor 19 is connected with a main power supply, the power output end of the super capacitor 19 is connected with the power input end of the permanent magnet motor 14, and when the pumping unit operates and the working conditions of a working well and a balance well are different, the power balance mode of the super capacitor 19 is used for balancing the operation of the pumping unit.
Referring to fig. 1 and 4, the eccentric pin gear 17 and the long rod incomplete circular gear 11 are mounted on the same plumb line, and the long rod incomplete circular gear 11 is engaged with the rack 10 for transmission, so that the rack 10 and the rack reversing moving frame 6 are driven to reciprocate linearly left and right on the guide rail, and oil extraction is realized.
Referring to fig. 3, the reducer output shaft gear 16 and the eccentric pin shaft gear 17 are installed on the same horizontal line.
The reducer output shaft gear 16 and the eccentric pin shaft gear 17 are slightly staggered in the axial direction, and the reducer output shaft gear 16 does not interfere with the long rod incomplete round gear 11.
The long rod incomplete round gear 11 and the rack 10 as well as the meshing transmission of the eccentric pin shaft gear 17 and the reducer output shaft gear 16 are lubricated in a way of applying lubricating grease, and the gears need to be manually and periodically applied with the lubricating grease.
Referring to fig. 5, the guide rail slider 7 and the guide rail are lubricated by using a guide rail oil groove, that is, the guide rail oil groove 20 is formed on the inner side surface of the guide rail, and the guide rail slider 7 slides to drive lubricating oil to lubricate, so that oil needs to be poured into the guide rail oil groove 20 and the guide rail surface manually and periodically.
The utility model discloses a theory of operation does:
the utility model discloses when the beam-pumping unit is worked, permanent-magnet machine 14 transmits power to reduction gear output shaft gear 16 through reduction gear 15, reduction gear output shaft gear 16 meshes the transmission with eccentric pin axle gear 17, eccentric pin axle 18 of eccentric pin axle gear 17 slides in stock spout 12 of stock incomplete round gear 11, drive stock incomplete round gear 11 around the fixed axle horizontal hunting, stock incomplete round gear 11 meshes the transmission with rack 10 to drive rack 10 and rack reversing movable frame 6 on the guide rail horizontal reciprocating linear motion; the two sides of the rack reversing moving frame 6 are connected with steel wire ropes 8, the steel wire ropes 8 on the two sides are connected with a rope hanger 9 through upper and lower pulleys, and the reciprocating linear motion of the rack reversing moving frame 6 drives polish rods of two wells to reciprocate up and down through the steel wire ropes 8, so that oil extraction operation is realized.
When the long rod of the long rod incomplete round gear 11 is positioned on the right side of the eccentric pin shaft gear 17 and the turning radius of the eccentric pin shaft 18 of the eccentric pin shaft gear 17 is tangent to the long rod, the lower stroke of the left oil well is finished and is positioned at the lower dead center position, and the upper stroke of the right oil well is finished and is positioned at the upper dead center position; when the long rod of the long rod incomplete round gear 11 is positioned on the left side of the eccentric pin shaft gear 17 and the turning radius of the eccentric pin shaft 18 of the eccentric pin shaft gear 17 is tangent to the long rod, the upper stroke of the left oil well is finished and positioned at the upper dead center position, the lower stroke of the right oil well is finished and positioned at the lower dead center position, and therefore the alternate oil pumping operation of the two wells is realized; the eccentric pin gear 17 rotates for a circle, and the left and right oil wells respectively complete the up stroke and the down stroke once.
Obviously, the embodiments in the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (5)
1. The utility model provides an eccentric wheel formula twin-well beam-pumping unit, includes base (1), its characterized in that: a bracket (2) is arranged on the base (1) and above the oil well; upper pulleys (5) are arranged on two sides of the top of each support (2), a protection box (3) is arranged between the supports (2) of two adjacent oil wells, and lower pulleys (4) are arranged on two sides of each protection box (3) and close to the bottoms of the supports (2); the bottom of the protection box (3) is provided with a guide rail, a rack reversing moving frame (6) is arranged in the protection box (3), a guide rail sliding block (7) is arranged at the bottom of the rack reversing moving frame (6), and the guide rail sliding block (7) is connected with the guide rail in a sliding manner; two outer side walls of the rack reversing moving frame (6) are fixedly connected with one end of a steel wire rope (8) on the same side of the rack reversing moving frame, and the other ends of the steel wire ropes (8) on the two sides are respectively connected with a rope hanger (9) by bypassing a lower pulley (4) and an upper pulley (5) on the same side of the rack reversing moving frame; a rack (10) is fixedly arranged on the inner bottom surface of the rack reversing moving frame (6), the rack (10) is meshed with a long rod incomplete round gear (11), and the long rod incomplete round gear (11) is connected with a fixing plate (13) arranged on the inner side of the rear wall of the protection box (3) through a fixing shaft; a permanent magnet motor (14) is arranged behind the protection box (3), a power output shaft of the permanent magnet motor (14) is connected with a power input shaft of a speed reducer (15) through a coupler, the power output shaft of the speed reducer (15) is connected with a speed reducer output shaft gear (16), the speed reducer output shaft gear (16) is meshed with an eccentric pin shaft gear (17) arranged on a fixing plate (13), an eccentric pin shaft (18) is arranged on the eccentric pin shaft gear (17), and the eccentric pin shaft (18) is in sliding connection with a sliding groove (12) formed in a long-rod incomplete round gear (11).
2. The eccentric wheel type twin-well pumping unit according to claim 1, wherein: the base (1) is further provided with a super capacitor (19), the power input end of the super capacitor (19) is connected with a main power supply, and the power output end of the super capacitor (19) is connected with the power input end of the permanent magnet motor (14).
3. The eccentric wheel type twin-well pumping unit according to claim 1, wherein: the eccentric pin shaft gear (17) and the long rod incomplete circular gear (11) are arranged on the same vertical line.
4. The eccentric wheel type twin-well pumping unit according to claim 1, wherein: the reducer output shaft gear (16) and the eccentric pin shaft gear (17) are arranged on the same horizontal line.
5. An eccentric wheel type twin-well pumping unit according to claim 1 or 4, wherein: the output shaft gear (16) of the speed reducer and the eccentric pin shaft gear (17) are slightly staggered in the axial direction, and the output shaft gear (16) of the speed reducer does not interfere with the long rod non-complete round gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171324.2U CN211081813U (en) | 2019-12-06 | 2019-12-06 | Eccentric wheel type double-well pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171324.2U CN211081813U (en) | 2019-12-06 | 2019-12-06 | Eccentric wheel type double-well pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN211081813U true CN211081813U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922171324.2U Active CN211081813U (en) | 2019-12-06 | 2019-12-06 | Eccentric wheel type double-well pumping unit |
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| CN (1) | CN211081813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924901A (en) * | 2019-12-06 | 2020-03-27 | 西安石油大学 | Gear rack transmission eccentric wheel type twin-well pumping unit |
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2019
- 2019-12-06 CN CN201922171324.2U patent/CN211081813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924901A (en) * | 2019-12-06 | 2020-03-27 | 西安石油大学 | Gear rack transmission eccentric wheel type twin-well pumping unit |
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