CN2485419Y - Oil sucker with adjstable weight center for balance - Google Patents
Oil sucker with adjstable weight center for balance Download PDFInfo
- Publication number
- CN2485419Y CN2485419Y CN 01224841 CN01224841U CN2485419Y CN 2485419 Y CN2485419 Y CN 2485419Y CN 01224841 CN01224841 CN 01224841 CN 01224841 U CN01224841 U CN 01224841U CN 2485419 Y CN2485419 Y CN 2485419Y
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- balance
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- counter
- adjustable
- oil
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Abstract
The utility model relates to an oil sucker with adjstable weight center for balance used for oil ore yard, and one part of the balance quality is fixed, and one part of the balance quality is relatively moved. The utility model has a first level balance and a second level balance, and the size of the torsional moment for the second level balance is adjustable so as to make the pump unit work in higher balance rate, thereby the running for the whole machine is more balanced and reliable. The double sucking balance quality is adopted, which has the effect of adjusting diameter and changing moment. The up and down moving for the balance box can change the size of the balance moment, and the left and right moving for the balance box can change the length of the balance arm of the force, so, the pump unit can be automatically adjusted following the change of the working state of the oil well, reducing the incurrence of the failure.
Description
The utility model relates to the oilfield beam pumping unit, specifically, is the adjustable inclined to one side balanced oil extractor down of a kind of barycenter.
Along with continually developing of World's Oil and Gas Resources, the oil reservoir type becomes increasingly complex, the depth of reservoirs that drops into exploitation constantly increases, the moisture lasting rising of old filed in addition, well deliverability constantly weakens, want to improve oil pumping system efficient, need to change traditional oil extraction operation form, adopt that automaticity height, compliance are strong, the oil pumper of good economy performance.But common beam pumping unit is difficult to satisfy oil well condition requirement complicated and changeable, after the first installation of oil pumper, according to certain stroke, jig frequency, pump footpath etc., has determined the weight of time inclined to one side balance mass.When down-hole load changes, be the balance of adjusting oil pumper by balancing weight in the increase and decrease tandem-driving bogie, but filling stone and sand during the mining site operation.Because it is more trifling to adjust operation procedure, labour intensity is bigger, and the operator can not in time adjust; And the precision of adjusting is not high, causes the oil pumper operation uneven.In addition, because the environment in oil field is abominable, oil pumper generally is in unattended situation, oil pumper does not have real-time monitoring, control appliance and means, working condition, real-time parameter to each well are not understood, influenced the dynamic analysis and the daily management of oil well,, caused man power and material's significant wastage to such an extent as to break down.Simultaneously since can not control automatically or the control degree not enough, oil pumper can not change with the variation of oil well condition, so that many faults take place, thereby influences crude oil production.
The purpose of this utility model is to provide a kind of manufacturing, it is simple and practical to install, and the barycenter of balance weight can be regulated, that is the barycenter of balance weight can be with the variation of oil well condition the adjustable inclined to one side balanced oil extractor down of self-adjusting barycenter.
The utility model is achieved in that including shifting balance weighs 1, fixed balance weight 2, counter-jib assembly 3, walking beam assembly 4, beam travelling supporting assembly 5, support 6, crossbeam assembly 7, horse head 8, polished rod eye 9, crank-pin assembly 10, crank mechanism 11, reductor 12, braking mechanism 13, chassis 14, motor 15, lose to carry and hold impact machine structure 16, lose successively on the chassis 14 to carry and hold impact machine structure 16, motor 15, braking mechanism 13, reductor 12, crank mechanism 11, crank-pin assembly 10, horse head 8 is connected with polished rod eye 9, walking beam assembly 4 is connected with horse head 8, support 6 is connected with the walking beam assembly by beam travelling supporting assembly 5, walking beam assembly 4 is connected with counter-jib assembly 3, and the end of counter-jib assembly 3 has shifting balance to weigh 1, fixed balance weight 2.
The utility model also adopts following technical scheme:
Shifting balance weighs 1, fixed balance weight 2 is below the walking beam position.
Fixed balance weight 2 is fixedlyed connected with counter-jib assembly 3, and shifting balance weighs 1 and can move.
Shifting balance weighs 1 and can move along guide tracked, also can move by screw, and can also be pulley type.
Shifting balance weighs 1, fixed balance weight 2 can be to fixedly connected with counter-jib assembly 3.
Shifting balance weighs 1, fixed balance weight 2 can be hinged with being connected of counter-jib assembly 3, can also connect by flexible piece.
Advantage of the present utility model is: adopts two inclined to one side balance masses down, not only has one-level balance and secondary balance, and also the adjustable size of secondary counter balance torque, oil pumper is worked under higher balanced ratio, therefore, complete machine turns round, and more balance is reliable.Adopt two inclined to one side balance masses down, have the effect of diameter-adjusting and torque-changing, tandem-driving bogie moves up and down the size that can change trimming moment, the tandem-driving bogie move left and right can change the length of the balance arm of force, therefore, can adjust automatically, reduce the generation of fault with the variation oil pumper of oil well condition.Adopt two inclined to one side balance masses down, balance weight generally need not be added or reduce to balance mass after determining again, greatly alleviated labour intensity, manipulates more simple, convenient.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an enforcement structure chart of the present utility model;
Fig. 3 is the another kind of structure chart of implementing of the utility model.
Below in conjunction with accompanying drawing the utility model is further described:
After oil rig was according to adaptive getting well such as certain stroke, jig frequency, pump footpaths, the ability to work of oil pumper just became a changeless amount.But the load of oil well changes all the time, and the balanced ratio of oil pumper changes greatly in the certain hour; And, behind oil rig transposing stroke, jig frequency, pump footpath, need to adjust the quantity of corresponding balancing weight; Therefore, creating down, inclined to one side balanced oil extractor is a task of the present utility model.
Down the running orbit at the relative beam travelling supporting of the barycenter center of the balance weight of inclined to one side balanced oil extractor is one section circular arc, and along with the swing of walking beam, the length of the balance weight arm of force constantly changes, when center of gravity is on the horizon of the walking beam centre of gyration, and its moment maximum; When center of gravity near on the vertical line of the walking beam centre of gyration time, its moment minimum.The parameter that influences the variation of trimming moment has three: the balance weight arm of force, balance weight quality, balance weight centroid position; Just determined during first parameter designing; When installing, second parameter just determined; So, change the size of balance of well pumping unit moment,, trimming moment is adjusted automatically with the variation of oil well condition as long as change the centroid position of inclined to one side balance mass down.Therefore, the adjustable patent characteristic of inclined to one side balanced oil extractor down of barycenter is: following inclined to one side balance mass is made up of two parts, and a part of balance mass maintains static, and another part balance mass relatively moves; By oil pumper is monitored in real time, adopt intelligent control device, calculate by analysis and adjust automatically.
The following segment distance of inclined to one side balance mass below the walking beam position, tail end is equipped with two groups of balance weights, and one group of balance weight is fixed, and another group balance weight can relatively move.
The mode that following inclined to one side balance mass moves: move up and down along guide rail, move along counter-jib is oblique.
Down the connection of inclined to one side balance mass can be to connect firmly or be flexible coupling.So-called hard the connection is: balance weight and parts are connected with walking beam or counter-jib, are to weld together or with bolton together; What is called is flexible coupling and is: balance weight and parts are connected with walking beam or counter-jib, are hinged or link together with flexible piece.
What down inclined to one side balance shifting balance was heavy moves, and is by oil pumper is monitored in real time, and the online oil well dynamic operation parameter that records is carried out the COMPREHENSIVE CALCULATING analysis by computer, realizes moving of balance weight automatically.
The heavy move mode of down inclined to one side balance shifting balance is: guide rail form, screw form, pulley form.
The design feature of inclined to one side balanced oil extractor was under barycenter was adjustable: forward type, following inclined to one side balanced structure; Following two tandem-driving bogies of inclined to one side counterpoise apportion.It mainly is made up of transmission mechanism, quadric chain, counter-jib assembly and other parts etc.
Transmission mechanism---joint group narrow V belt is passed to deceleration device with the motion and the power of engine;
Quadric chain---form by crank, connecting rod, walking beam and support.During oil pumper work, crank rotates around output shaft, and drivening rod, crossbeam, walking beam are done oscillating motion, and walking beam is swung in vertical guide around bearing core shaft again, and rotatablely moving of deceleration device is transformed to pumping of polished rod.
Counter-jib assembly---carrying balance weight will descend inclined to one side balance mass and walking beam to couple together, and change the size of counter balance torque by the variation of balance mass position of centre of gravity, obtain counterbalance effect preferably.
Said walking beam position is meant oil pumper crossbeam and the hinged center of the walking beam on line with the beam travelling supporting center.
Said inclined to one side balance down is meant that the relative walking beam position of balance mass of oil pumper moves down-segment distance, and the carriage center line is offset a segment distance relatively.
Inclined to one side balanced oil extractor is meant that balance mode takes down the general designation of the oil pumper of inclined to one side balance under the said walking beam.
Claims (6)
1. the adjustable down inclined to one side balanced oil extractor of barycenter, include shifting balance heavy (1), fixed balance weight (2), counter-jib assembly (3), walking beam assembly (4), beam travelling supporting assembly (5), support (6), crossbeam assembly (7), horse head (8), polished rod eye (9), crank-pin assembly (10), crank mechanism (11), reductor (12), braking mechanism (13), chassis (14), motor (15), lose to carry and hold impact machine structure (16), it is characterized in that: lose successively on chassis (14) to carry and hold impact machine structure (16), motor (15), braking mechanism (13), reductor (12), crank mechanism (11), crank-pin assembly (10), horse head (8) is connected with polished rod eye (9), walking beam assembly (4) is connected with horse head (8), support (6) is connected with the walking beam assembly by beam travelling supporting assembly (5), walking beam assembly (4) is connected with counter-jib assembly (3), and there is shifting balance heavy (1) end of counter-jib assembly (3), fixed balance weight (2).
2. inclined to one side balanced oil extractor under barycenter according to claim 1 is adjustable is characterized in that: shifting balance heavy (1), fixed balance weight (2) are below the walking beam position.
3. inclined to one side balanced oil extractor under barycenter according to claim 1 is adjustable, it is characterized in that: fixed balance weight (2) is fixedlyed connected with counter-jib assembly (3), and shifting balance heavy (1) can move.
4. inclined to one side balanced oil extractor under barycenter according to claim 3 is adjustable is characterized in that: shifting balance heavy (1) can move along guide rail, also can move by screw, and can also be pulley type.
5. inclined to one side balanced oil extractor under barycenter according to claim 1 is adjustable is characterized in that: shifting balance heavy (1), fixed balance weight (2) can be to fixedly connected with counter-jib assembly (3).
6. inclined to one side balanced oil extractor under barycenter according to claim 1 is adjustable is characterized in that: shifting balance heavy (1), fixed balance weight (2) can be hinged with being connected of counter-jib assembly (3), can also connect by flexible piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01224841 CN2485419Y (en) | 2001-05-29 | 2001-05-29 | Oil sucker with adjstable weight center for balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01224841 CN2485419Y (en) | 2001-05-29 | 2001-05-29 | Oil sucker with adjstable weight center for balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2485419Y true CN2485419Y (en) | 2002-04-10 |
Family
ID=33641049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01224841 Expired - Fee Related CN2485419Y (en) | 2001-05-29 | 2001-05-29 | Oil sucker with adjstable weight center for balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2485419Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317408A (en) * | 2015-08-15 | 2016-02-10 | 李载敏 | variable torque energy-saving pumping unit |
-
2001
- 2001-05-29 CN CN 01224841 patent/CN2485419Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317408A (en) * | 2015-08-15 | 2016-02-10 | 李载敏 | variable torque energy-saving pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |