CN2886071Y - Single crank double-stoke flexible type pumping unit - Google Patents
Single crank double-stoke flexible type pumping unit Download PDFInfo
- Publication number
- CN2886071Y CN2886071Y CN 200620000016 CN200620000016U CN2886071Y CN 2886071 Y CN2886071 Y CN 2886071Y CN 200620000016 CN200620000016 CN 200620000016 CN 200620000016 U CN200620000016 U CN 200620000016U CN 2886071 Y CN2886071 Y CN 2886071Y
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- China
- Prior art keywords
- crank
- pumping unit
- support
- axle
- flexible type
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Abstract
A single-crank multi-pass pumping unit mainly solves the problems of the prior pumping unit like low payload and high dissipation of energy, which is characterized in that one side of a supporting frame (2) is provided with a connecting arm (3) which is connected to a big cross joint at well mouth via bolts. A cantilever spindle (6) is connected with a cantilever (5) on the supporting frame (2), wherein the spindle (6) is connected with a fixed block (7), and an adjustable drawbar (17) is hinged between the cantilever (5) and the supporting frame (2). A motor (1) is fixed to the rear end at transverse direction of the central part of the supporting frame (2). The front-end shaft of the motor (1) is directly connected with a decelerator (11) whose output shaft is connected to the crank shaft (12) which is connected with a crank (14) via a land (13). The crank (14) is provided with one to three regulating holes (15) at longitudinal direction, wherein a crankpin shaft (16) whose upper end is provided with movable block (13) is connected in the regulating hole (15). The pumping unit is characterized by being high in payload and low in dissipation of energy.
Description
Technical field:
The utility model relates to used lifting device, especially single-crank multiple-stroke flexible type pumping unit in the oil recovery field, oil field.
Background technology:
Along with Oilfield developing, technology constantly develops, mechanical oil recovery equip ment 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.At present, the oil pumper that is used for artificial lift is based on beam pumping unit, is divided into conventional type beam pumping unit, prefix type beam pumping unit, out-phase type beam pumping unit and two horse head type beam pumping unit according to the difference of the structure of the crank quadric chain of horse head.The oil pumper exercise performance of this structural shape is poor, and the pay(useful) load rate is low, and power consumption is high; Because machine packet size and deadweight are all very big, need firm ground, one-time investment is more; Transfer ginseng and balancing intensity bigger.
The utility model content:
Poor in order to overcome existing oil pumper exercise performance, the pay(useful) load rate is low, the energy consumption height, machine packet size and from great, one-time investment is more, transfers ginseng and the bigger deficiency of test intensity, the utility model provides a kind of single-crank multiple-stroke flexible type pumping unit, this oil pumper Windsor not only when operation, pay(useful) load rate height, energy consumption is low, and the machine packet size is little with deadweight, one-time investment is less, is easy to transfer ginseng and test jobs, has banned beam hanger simultaneously.
The technical solution of the utility model is: this single-crank multiple-stroke flexible type pumping unit comprises motor and support, and support one side has linking arm, and linking arm links to each other with the well head big four by bolt; The support upper hinge has telescopic boom, is connected with cantilevered axle on the cantilever, is connected with fixed pulley on the axle, and hinge has adjustable pull bar between cantilever and the support; Both sides, support upper end are fixed with two fixed pulleys respectively; The horizontal rear end of mid-stent is fixed with motor, motor front end axle directly links to each other with reducer, the output shaft of reducer links to each other with the crank axle that is connected with crank by terminal pad, crank vertically has 1-3 adjustment hole, be connected with crank pin in the adjustment hole, be connected with movable pulley on the crank pin, chain one end is fixed on the support, and chain links to each other with canned pump in the well after walking around fixed pulley, movable pulley, fixed pulley and fixed pulley successively.
Be equipped with brake gear on the motor rear end axle in the such scheme; The crank axle front end is connected with crank by the swelling adapter sleeve; The crank both sides are connected with balancing weight; Linking arm and terminal pad be hinge mutually, and terminal pad links to each other with the well head big four by bolt.
The beneficial effect that the utlity model has is: this single-crank multiple-stroke flexible type pumping unit is owing to adopted such scheme, at first support and well head fix together, the weight major part of oil pumper acts on the well head, so just reduced the requirement to the basis, reduced the basis construction cost; Next bans sucker rod and walking beam, reduce the weight of oil pumper, adopt the characteristics that the double pump on the movable pulley drive chain pumps on the crank, the crank circular motion is converted into the reciprocating motion of flexible drive, realization doubles maximum stroke, last motor shaft directly links to each other with reducer, the output shaft of reducer directly and the crank axle connected mode substituted the crank quadric chain, reach oil well pump lifting purpose, thereby improved exercise performance, reduced energy consumption, the pay(useful) load rate increases, and owing to adopted the mode that directly connects to substitute the crank quadric chain and banned beam hanger and walking beam, make simple and compact for structure, the machine packet size, deadweight and one-time investment reduce, and have reduced cost for oil production, have to such an extent that apply.
Description of drawings:
Accompanying drawing 1 is a structural front view of the present utility model;
Accompanying drawing 2 is right views of Fig. 1.
1-motor among the figure, 2-support, 3-linking arm, 4-terminal pad, 5-cantilever, 6-cantilevered axle, 7-fixed pulley, 8-fixed pulley, 9-fixed pulley, 10-chain, 11-reducer, 12-crank axle, 13-movable pulley, 14-crank, 15-adjustment hole, 16-crank pin, 17-pull bar.
The specific embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
By Fig. 1 in conjunction with Fig. 2, shown in Figure 3, this single-crank multiple-stroke flexible type pumping unit comprises motor 1 and support 2, support 2 one sides have linking arm 3, linking arm 3 and terminal pad 4 be hinge mutually, terminal pad 4 links to each other with the well head big four by bolt, reduce the basic requirement of oil pumper, saved the infrastructure expense of oil pumper greatly; Support 2 upper hinges have cantilever 5, be connected with cantilevered axle 6 on the cantilever 5, cantilevered axle 6 is scalable, be connected with fixed pulley 7 on the axle 6, hinge has adjustable pull bar 17 between cantilever 5 and the support 2, support 2 and well head be connected the center to center distance that can regulate chain 10 and well head by stretching of cantilevered axle 6 and pull bar 17, make easy to adjust; Both sides, support 2 upper end are fixed with fixed pulley (8,9) respectively; Support 2 middle parts laterally by after be fixed with motor 1 forward successively, reducer 11 and crank axle 12, be equipped with brake gear on the motor 1 rear end axle, motor 10 front end axles directly link to each other with reducer 11, the output shaft of reducer 11 links to each other with crank axle 12 by terminal pad 4, crank axle 12 front ends are connected with crank 14 by the swelling adapter sleeve, crank 12 both sides are connected with balancing weight, crank 12 vertically has 1-3 adjustment hole 15, be connected with crank pin 16 in the adjustment hole 15, be connected with movable pulley 13 on the crank pin 16, moving, fixed pulley (13,8,9,7) in same plane, chain 10 1 ends are fixed on the support, and chain 10 is walked around fixed pulley 8 successively, movable pulley 13 fixed pulleys 9 and fixed pulley 7 backs and the interior canned pump of well.Adopt the characteristics that 13 times of journeys of movable pulley 11 drive chains pump on the crank 10, crank 14 circular motion are converted into pumping of flexible drive, also can regulate crank-pin 16 by 3 adjustment holes on the crank 14, realization doubles maximum stroke, simultaneously because of having banned sucker rod and walking beam, reduce the load and the weight of oil pumper, substituted the crank quadric chain by the output shaft that utilizes reducer 11 and single crank 14 direct-connected modes again, low moment of torsion input reducer 11, reducer 11 high moment of torsion outputs, thus so just improved exercise performance, reduced energy consumption, the pay(useful) load rate increases, make oil well pump reach the lifting purpose, so this oil pumper has Windsor, pay(useful) load rate height and characteristic of low energy consumption, and because of being single crank 14, motor 10 and reducer 11, reducer 11 all is directly to be connected with 14 on crank, thereby has dwindled machine packet size and deadweight, has reduced one-time investment, it is convenient to regulate stroke and jig frequency operation, has reduced cost for oil production.
During actual the use, terminal pad 4 on support 2 linking arms 3 is placed between big four and big four, fixed by bolt, by regulating cantilevered axle 6 and the pull bar 17 on the cantilever 5, make chain 13 hangings and well head center, pump by 10 times of journeys of single crank 14 pulling chains, chain 10 drives flexible rod and pumps, drive oil pump plunger piston by flexible rod again and pump, reach the purpose of lifting well liquid.
Claims (5)
1, a kind of single-crank multiple-stroke flexible type pumping unit comprises motor (1) and support (2), it is characterized in that: support (2) one sides have linking arm (3), and linking arm (3) links to each other with the well head big four by bolt; Support (2) upper hinge has telescopic boom (5), is connected with cantilevered axle (6) on the cantilever (5), is connected with fixed pulley (7) on the axle (6), and hinge has adjustable pull bar (17) between cantilever (5) and the support (2); Both sides, support (2) upper end are fixed with fixed pulley (8,9) respectively; Support (2) middle part laterally is fixed with motor (1) in the rear end, motor (1) front end axle directly links to each other with reducer (11), the output shaft of reducer (11) links to each other with the crank axle that is connected with crank (14) (12) by terminal pad (13), crank (14) vertically has 1-3 adjustment hole (15), be connected with crank pin (16) in the adjustment hole (15), be connected with movable pulley (13) on the crank pin (16), chain (10) one ends are fixed on the support, and chain (10) is walked around fixed pulley (8) successively, movable pulley (13), fixed pulley (9) and fixed pulley (7) back link to each other with canned pump in the well.
2, single-crank multiple-stroke flexible type pumping unit according to claim 1 is characterized in that: be equipped with brake gear on the axle of motor (1) rear end.
3, single-crank multiple-stroke flexible type pumping unit according to claim 2 is characterized in that: crank axle (12) front end is connected with crank (14) by the swelling adapter sleeve.
4, single-crank multiple-stroke flexible type pumping unit according to claim 3 is characterized in that: crank (14) both sides are connected with balancing weight.
5, single-crank multiple-stroke flexible type pumping unit according to claim 4 is characterized in that: linking arm (3) and terminal pad (4) be hinge mutually, and terminal pad (4) links to each other with the well head big four by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000016 CN2886071Y (en) | 2006-01-04 | 2006-01-04 | Single crank double-stoke flexible type pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000016 CN2886071Y (en) | 2006-01-04 | 2006-01-04 | Single crank double-stoke flexible type pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2886071Y true CN2886071Y (en) | 2007-04-04 |
Family
ID=37961161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620000016 Expired - Fee Related CN2886071Y (en) | 2006-01-04 | 2006-01-04 | Single crank double-stoke flexible type pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2886071Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581206B (en) * | 2009-05-15 | 2012-08-29 | 大庆油田有限责任公司 | Multiple-stroke flexible beam pumping unit |
| CN101550818B (en) * | 2009-05-15 | 2012-09-26 | 大庆油田有限责任公司 | Double-stroke flexible crank connecting device of pumping unit |
| CN101550817B (en) * | 2009-05-20 | 2012-11-28 | 大庆油田有限责任公司 | Hoisting system of stripper well in oil field |
-
2006
- 2006-01-04 CN CN 200620000016 patent/CN2886071Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581206B (en) * | 2009-05-15 | 2012-08-29 | 大庆油田有限责任公司 | Multiple-stroke flexible beam pumping unit |
| CN101550818B (en) * | 2009-05-15 | 2012-09-26 | 大庆油田有限责任公司 | Double-stroke flexible crank connecting device of pumping unit |
| CN101550817B (en) * | 2009-05-20 | 2012-11-28 | 大庆油田有限责任公司 | Hoisting system of stripper well in oil field |
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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 |
Granted publication date: 20070404 Termination date: 20150104 |
|
| EXPY | Termination of patent right or utility model |