CN201193511Y - Torque-changing energy saving oil pumping machine with flexible sucker rod - Google Patents
Torque-changing energy saving oil pumping machine with flexible sucker rod Download PDFInfo
- Publication number
- CN201193511Y CN201193511Y CNU2008201115553U CN200820111555U CN201193511Y CN 201193511 Y CN201193511 Y CN 201193511Y CN U2008201115553 U CNU2008201115553 U CN U2008201115553U CN 200820111555 U CN200820111555 U CN 200820111555U CN 201193511 Y CN201193511 Y CN 201193511Y
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- China
- Prior art keywords
- bending moment
- flexible rod
- pumping unit
- wheel
- stabilizer
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- 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
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- 238000005086 pumping Methods 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 17
- 239000003381 stabilizer Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241001023788 Cyttus traversi Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a soft oil pumping rod bending moment energy-saving oil pumping unit which mainly solves the problems that the oil pumping has large size, complex structure, heavy balance weight and high energy consumption. The soft oil pumping rod bending moment energy-saving oil pumping unit is characterized in that one end of an over beam (2) is connected with a support bar (4) and is provided with a third wheel (3); the other end of the over beam (2) is fixed at the upper part of a bracket (8) by an over beam trunnion (5); the top of the bracket (8) is provided with a fixing device (6); the other side of the bracket (8) is connected with a balance wheel (12) by a balance wheel trunnion (11); the balance wheel (12) is connected with a connecting rod (10) by a connecting pin (9); a movable wheel (7) is fixed at the upper part of the balance wheel (12); one end of a soft rod (1) is fixed at the fixing device (6); and the other end of the soft rod (1) rounds the movable wheel (7) and the third wheel (3) to be connected with a weighted lever (20). The soft oil pumping rod bending moment oil pumping unit has the characteristics of small size, simple structure, light balance weight and low energy consumption.
Description
Technical field:
The utility model relates to used lifting device in the oil recovery field, oil field, especially flexible rod bending moment energy-saving pumping unit.
Background technology:
Along with continually developing of oil field, oil recovery technique is in continuous development, mechanical oil recovery equipment commonly used from the beam pumping unit to the submersible electric pump, screw pump etc., of a great variety, to adapt to the needs of different productive lives and different well ' s conditions.And beam pumping unit is still in the oil field machinery oil a kind of equipment that generally uses, usually and sucker rod and oil well pump be used.At present all kinds oil pumper that uses has different characteristics and function separately to adapt to the needs of different operating modes, wherein also is no lack of energy-saving beam pumping unit.But, ubiquitous problem is: because of the weight of sucker rod self bigger, make the oil pumper polished rod load excessive, the work characteristics of existing crank and rocker mechanism and the weight of walking beam horse head cause the balance weight of oil pumper overweight again, make that existing oil pumper appearance and size is excessive, structure is loaded down with trivial details, thereby needs heavy-duty motor, and energy consumption is higher.Along with the continuous exploitation in oil field, crude output descends year by year, and the low yield oil well is continued to use existing oil pumper in continuous increase, and under the constant substantially situation of power consumption, the output cost of crude oil can increase greatly, is unfavorable for the steady development of oilfield economic.
The utility model content:
Excessive in order to overcome existing oil pumper appearance and size, structure is loaded down with trivial details, counterpoise is big, energy consumption is high, the deficiency that the output crude oil cost is high, the utility model provides a kind of flexible rod bending moment energy-saving pumping unit, and this flexible rod bending moment energy-saving pumping unit has the advantages that appearance and size is little, the result is simple, counterpoise is light, power consumption is low and reduce production costs.
The technical solution of the utility model is: comprise the brake gear, drive unit and connected crank and the connecting rod that are fixed on base one end, be fixed on the support and the connected support bar of the base other end, with an end on the lintel that support bar is connected the third wheel beam is arranged, the other end of lintel props up the top that hinge is fixed on support by lintel, and fastening devices is arranged at the top of support; An opposite side stable equilibrium wheel hinge of support connects stabilizer by the stabilizer leg, and stabilizer is connected with the other end of connecting rod by link pin, and the top of stabilizer is driving wheel fixedly; Rods one end is fixed on the positioner, and the other end walks around driving wheel and third wheel is connected with weighted lever.
There is rotary removable pin at the two ends of above-mentioned support bar; Crank is connected with connecting rod one end by crank-pin; Lintel can be walked around beam and prop up the hinge rotation; Stabilizer can prop up the hinge swing around stabilizer; A plurality of centralizers are installed on the flexible rod; External surface sealed envelope one deck corrosion-proof wear-resistant material coating of flexible rod and centralizer.
The utlity model has following effect: because this flexible rod bending moment energy-saving pumping unit adopts such scheme, flexible rod one end is fixed on the positioner of lintel, the other end is walked around driving wheel and third wheel, directly be connected with weighted lever, weighted lever is connected with oil well pump, thereby replaced traditional sucker rod with flexible rod, because the weight of flexible rod is lighter than the weight of traditional sucker rod, make the polished rod load of this device reduce by 2 times, become originally 1/3, thereby make the necessary electromotor power of this device reduce by 2 times, become original 1/3, amount of electricity saving minimumly reaches 40% about 65%, energy consumption reduces greatly.Drive unit one end connects brake gear in addition, the other end directly is connected with crank, the cancellation belt transmission, reduced cost of raw and processed materials, reduce the power consumption of belt creep in the transmission simultaneously, the size and the weight of complete machine structure parts are reduced greatly, compact conformation, so this flexible rod torque-changing pumping unit has, and appearance and size is little, simple in structure, counterpoise light, it is low to consume energy and characteristics that can reduce production costs.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model
1-flexible rod 2-lintel 3-third wheel 4-support bar 5-lintel props up hinge 6-positioner 7-driving wheel 8-support 9-link pin 10-connecting rod 11-stabilizer and props up hinge 12-stabilizer 13-crank-pin 14-crank 15-drive unit 16-brake gear 17-base 18-removable pin 19-removable pin 20-weighted lever 21-centralizer 22-corrosion-proof wear-resistant material coating
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
Shown in accompanying drawing, this rods sucker rod bending moment energy-saving pumping unit comprises brake gear 16, the drive unit 15 that is fixed on base 17 1 ends, crank 14 that is connected with drive unit 15 and the connecting rod 10 that connects by crank-pin 13; Be fixed on the support 8 and the connected support bar 4 of base 17 other ends, the removable pin 18,19 that is connected with lintel 2 and support 8 is arranged respectively at the two ends of support bar 4; An end has third wheel 3 on the lintel 2, and the other end of lintel props up the top that hinge 5 is connected support 8 by lintel, and lintel can be walked around beam and props up hinge 5 and rotate; Fastening devices 6 is arranged at the top of support 8; The opposite side of support 8 is fixed with stabilizer and props up hinge 11, and stabilizer 12 can prop up hinge 11 swings around stabilizer, and stabilizer 12 is connected with connecting rod 10 by link pin 9 again, is fixed with driving wheel 7 on the top of stabilizer 12; Rods sucker rod 1 one ends are fixed on the positioner 6, and the other end walks around driving wheel 7 and third wheel 3 directly is connected with weighted lever 20; And weighted lever 20 directly is connected with downhole pump.A plurality of centralizers 21, external surface sealed envelope one deck corrosion-proof wear-resistant material coating 22 of flexible rod 1 and centralizer 21 are installed on the flexible rod 1.During work, drive unit 15 drives crank 14 and connecting rod 10 motions, connect dried 10 drive stabilizers 12 and prop up hinge 11 swings around stabilizer, thereby drive driving wheel 7 rotations, and then drive rods 1 pumps.The horizontal range of the center of gravity of stabilizer 12 and its stabilizer leg 11 constantly reduces during upstroke, and trimming moment is diminished, and the center of gravity of stabilizer 12 and its stabilizer prop up hinge 11 horizontal range and constantly increase during down stroke, make trimming moment constantly become big.By such variation automatic torque-changing, to adapt to the different requirements of up-down stroke to trimming moment. Removable pin 18 or 19 during well workover on the detachable lower support bar 4, lintel 2 are walked around beam and are propped up hinge 5 rotation up or down and get out of the way well head, for workover treatment provides sufficient working space.
In this structure, drive unit 15 1 ends connect brake gear 16, and the other end directly is connected with crank 14, and the cancellation belt transmission promptly reduces the power consumption of belt creep in the transmission, reduces Master Cost again, and attendant's labour intensity is reduced greatly.
During oil producing operation, one end of flexible rod directly is connected with weighted lever 20, weighted lever 20 directly is connected with oil well pump, a plurality of centralizers 21 are installed on flexible rod 1, external surface sealed envelope one deck corrosion-proof wear-resistant material layer 22 of centralizer 21 and flexible rod 1, when guaranteeing up-down stroke and pipe inner surface do not produce friction, thereby prolong the application life of flexible rod 1.Because with the sucker rod in flexible rod 1 alternative traditional oil production equipment, make the polished rod load of this device reduce by 2 times, become original 1/3, thereby the necessary electromotor power that makes this device has reduced by 2 times, also become original 1/3, amount of electricity saving minimumly reaches 40% about 65%, energy consumption reduces greatly.Owing to directly connect between each critical piece of this machine, so complete machine structure parts compactness, improved whole system operation efficient, reduced power loss again, therefore this flexible rod bending moment energy-saving pumping unit has little, the compact conformation of appearance and size, the characteristics that counterpoise gently reaches low energy consumption, also can reduce production costs.
Claims (7)
1. flexible rod bending moment energy-saving pumping unit, comprise: brake gear (16), drive unit (15) and the connected crank (14) and the connecting rod (10) that are fixed on base (17) one ends, be fixed on the support (8) and the connected support bar (4) of base (17) other end, it is characterized in that: the last end of lintel (2) that is connected with support bar (4) has third wheel (3), the other end of lintel (2) props up the top that hinge (5) is fixed on support (8) by lintel, and fastening devices (6) is arranged at support (8) top; An opposite side stable equilibrium wheel hinge (11) of support (8) is propped up hinge (11) by stabilizer and is connected stabilizer (12), and stabilizer (12) is connected with the other end of connecting rod (10) by link pin (9), and the top of stabilizer (12) is fixed with driving wheel (7); Rods (1) one end is fixed on the positioner (6), and the other end walks around driving wheel (7) and third wheel (3) is connected with weighted lever (20).
2. flexible rod bending moment energy-saving pumping unit according to claim 1 is characterized in that: there is rotary removable pin (18,19) at the two ends of support bar (5).
3. flexible rod bending moment energy-saving pumping unit according to claim 1 is characterized in that: crank (14) is connected with connecting rod (10) one ends by crank-pin (13).
4. flexible rod bending moment energy-saving pumping unit according to claim 1 is characterized in that: lintel (2) can be walked around beam and prop up hinge (5) rotation.
5. flexible rod bending moment energy-saving pumping unit according to claim 1 is characterized in that: stabilizer (12) can prop up hinge (11) swing around stabilizer.
6. flexible rod bending moment energy-saving pumping unit according to claim 1 is characterized in that: flexible rod (1) is gone up a plurality of centralizers (21) is installed.
7. flexible rod bending moment energy-saving pumping unit according to claim 6 is characterized in that: external surface sealed envelope one deck corrosion-proof wear-resistant material coating (22) of flexible rod (1) and centralizer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201115553U CN201193511Y (en) | 2008-05-14 | 2008-05-14 | Torque-changing energy saving oil pumping machine with flexible sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201115553U CN201193511Y (en) | 2008-05-14 | 2008-05-14 | Torque-changing energy saving oil pumping machine with flexible sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201193511Y true CN201193511Y (en) | 2009-02-11 |
Family
ID=40393049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201115553U Expired - Fee Related CN201193511Y (en) | 2008-05-14 | 2008-05-14 | Torque-changing energy saving oil pumping machine with flexible sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201193511Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116265897A (en) * | 2021-12-17 | 2023-06-20 | 中国石油天然气股份有限公司 | Device and method for detecting crank pin, connecting rod pin and connecting rod faults of pumping unit |
-
2008
- 2008-05-14 CN CNU2008201115553U patent/CN201193511Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116265897A (en) * | 2021-12-17 | 2023-06-20 | 中国石油天然气股份有限公司 | Device and method for detecting crank pin, connecting rod pin and connecting rod faults of pumping unit |
| CN116265897B (en) * | 2021-12-17 | 2025-10-21 | 中国石油天然气股份有限公司 | Device and method for detecting crank pin, connecting rod pin and connecting rod failure of oil pumping unit |
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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: 20090211 Termination date: 20110514 |