CN2581689Y - Double balance beam-pumping unit - Google Patents
Double balance beam-pumping unit Download PDFInfo
- Publication number
- CN2581689Y CN2581689Y CN 02244709 CN02244709U CN2581689Y CN 2581689 Y CN2581689 Y CN 2581689Y CN 02244709 CN02244709 CN 02244709 CN 02244709 U CN02244709 U CN 02244709U CN 2581689 Y CN2581689 Y CN 2581689Y
- Authority
- CN
- China
- Prior art keywords
- oil pump
- jib
- walking beam
- balance
- adjusting rod
- Prior art date
- 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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Abstract
The utility model discloses a double balance walking beam oil pump, which is characterized in that a lower eccentric balancing arm and a balancing block are suspended on the tail end of a walking beam of a conventional oil pump and an out phase oil pump, and an adjusting rod is hinged between the walking beam, or a support frame and the balancing arm. The utility model has the balance adjusting modes of the change of the length of force arms by the stretch and the contraction of the adjusting rod, the increase and the reduction of the weight of a balancing block and the adjustment of the position of a crank balancing block. Because the oil pump has multiple balance adjusting modes and large adjusting ranges, the peak value load of the oil pump can be completely reduced farthest. The utility model has good energy saving effect and can reduce energy consumption by 40% to 50%. The utility model is suitable for energy saving technical innovation of conventional oil pumps and out phase type oil pumps and can also be used for the manufacture of new oil pumps.
Description
Technical field
The utility model belongs to the oil field and is exclusively used in the equipment that extracts oil, specifically, is a kind of pair of balance beam type oil pump.It is particularly suitable for rear-mounted beam-pumping units such as existing conventional type, out-phase type are carried out on-the-spot energy saving technical reconstruction, also can manufacture new oil pumper.
Background technology
According to the knowledge of the applicant: oil field natural environment very severe, so require pumping unit to have high reliability, can adapt to such operating mode, have only beam pumping unit, its quantity accounts for more than 80% of oil field pumping unit.The beam pumping unit that is using in the oil field, the overwhelming majority is conventional type and out-phase type.Conventional type power consumption is high especially, though the out-phase type is energy-conservation 10～15%, energy consumption is still high.The reason that energy consumption is high is: in the oil pumper course of work, the down-hole load change is very big, and is very frequent, causes walking beam two ends moment unbalance, and motor load is inhomogeneous, and mesh power is big, thereby the energy consumption height.The adjustable range of the balancing mechanism of conventional type and out-phase type oil pumper is little, can not satisfy the demand; Shoulder down bell type oil pumper partially and set up and time shoulder bell balancing mechanism partially, can save energy 40～50%, effective, but transfer beam balance mainly by increasing, subtract weight equalizer, and operation easier is big, and the time is long, and labor strength is big.
Summary of the invention
The purpose of this utility model is exactly in order to overcome the above-mentioned shortcoming of existing oil pumper, a kind of good energy-conserving effect to be provided, transferring the two simply and easily balance beam type oil pumps of beam balance.
Technical solution of the present utility model is: a kind of pair of balance beam type oil pump, comprise motor, gearbox, support, walking beam, horse head, crossbeam, connecting rod, crank, chassis, polished rod eye, brake gear, it is characterized in that: also comprise inclined to one side formula counter-jib, adjusting rod, balance weight down; The upper end of inclined to one side formula counter-jib is by hanging the lower end connection balance weight that pin hangs on walking beam afterbody, following inclined to one side formula counter-jib down; One end of adjusting rod is hinged with the lower end of following inclined to one side formula counter-jib, the other end and walking beam are hinged.
One end of described adjusting rod is hinged with the lower end of following inclined to one side formula counter-jib, the other end also can link with support.
The described lower end of inclined to one side formula counter-jib down is provided with the casing of placing balance weight, and balance weight is placed in the casing.
The described lower end of inclined to one side formula counter-jib down is provided with hook, and balance weight is placed on the hook.
Described adjusting rod is the threaded adjusting bar.
The utility model beneficial effect:
One. because the mode of the utility model balancing has three kinds: 1. adjusting rod is stretched, is contracted, and changes arm of force length, makes walking beam two ends equalising torque; 2. increase, subtract balance weight, change weight, make walking beam two ends equalising torque; 3. the position of the balance weight on the accent crank makes walking beam two ends equalising torque.Its balancing mode is all more than existing oil pumper, and the balancing scope is big, can take the different modes balancing according to different situations, can satisfy the demand fully.
Two. owing to adopt said structure, make conventional type and out-phase type beam pumping unit after technological transformation, energy-conservation 40～50%.And energy saving technical reconstruction can carry out at mining site, and oil pumper only need be shut down and just can be finished in 5～8 hours, and is very convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Referring to Fig. 1: the utility model comprises motor 13, reducer 11, crank 10, support 9, chassis 14, polished rod eye 8, counter-jib 4, balance weight 5, adjusting rod 6, connecting rod 7, walking beam 2, horse head 1 and brake gear 12, crossbeam 3 etc.Horse head 1 is connected with walking beam 2, hangs the sucker rod (not shown) of polished rod eye 8 below it on the arc surface on the horse head 1 and is connected.Walking beam 2 one ends link to each other with horse head 1, and the other end links counter-jib 4, and link to each other with support 9, crossbeam 3, adjusting rod 6 respectively by three bearings, play transferring power.Support 9 times is fixedlyed connected with chassis 14, links to each other with walking beam 2 by bearing, works to support walking beam 2.Chassis 14 is the oil pumper basis, and all component are all fixed thereon, and chassis 14 is fixed on the concrete pedestal by stone bolt, guarantees the operate as normal of oil pumper.Motor 13 links to each other with reducer 11 by belt pulley, belt, is the oil pumper power source.Reducer 11 outputs are fixedlyed connected with crank 10, and the motion reduction of speed that motor 13 is transmitted increases square.Crank 10 links to each other with reducer 11 by key, flexibly connects transferring power with connecting rod 7 again.Motor 13 is through 10 rotations of reducer 11 deceleration cranks, and drivening rod 7, crossbeam 3, walking beam 2 move successively, and making walking beam 2 do with support 9 is the swing of fulcrum, and horse head 1 swings up and down, and drives sucker rods by polished rod eye 8 and moves up and down, and realizes the oil pumping action.Pig ear shape balance weight is arranged, by adjusting its position, adjustable and balancing moment on the crank 10.Connecting rod 7 times links to each other with crank 10, goes up to link to each other with crossbeam 3, plays transferring power.Counter-jib 4 upper ends link in walking beam 2 afterbodys by hanging pin 15, and the lower end links to each other with balance weight 5, plays transmission power.Balance weight 5 places the casing 16 interior (also can hang on counter-jib 4 lower ends) of counter-jib 4 lower ends, for trimming moment provides gravity.One end of adjusting rod 6 and the hinge joint of counter-jib 4 lower ends, the other end and walking beam 2 or support 9 hinge joints, the length of change adjusting rod 6 can change trimming moment.Crossbeam 3 and walking beam 2 hinge joints are fixedlyed connected transferring power with connecting rod 7 again.Brake gear 12 is contained on reducer 11 power shafts, can stop the oil pumper motion, is safety, locking device.
If oil pumper shown in Figure 1 removes counter-jib 4, balance weight 5 and adjusting rod 6, be exactly the conventional formula or the out-phase type oil pumper of standard.If carry out energy saving technical reconstruction at mining site; behind shutdown of pumping machine; at walking beam 2 tail ends the burn-on hanging seat of counter-jib 4 and the free bearing of adjusting rod 6; the U type breach of counter-jib 4, balance weight 5 being sling and being put into hanging seat with crane then; then adjusting rod 6 is linked to each other with bolt with free bearing, energy saving technical reconstruction also just finishes.Oil pumper only need be shut down and just can be finished in 5～8 hours, and is very convenient.By transforming, cut down the consumption of energy 40～50%, also can reduce the mesh power of motor 13.If 3～8 type oil pumpers, jig frequency adds the V-type card at 10 times/minute when above above U type groove breach, prevent counter-jib 4 upper end plain bearing housings vibrations, influences kinematic accuracy.
Load often changes in the oil pumper work, needs to adjust trimming moment and adapts, and to guarantee the stable motion of motor 13, cuts down the consumption of energy.The utility model is adjusted the trimming moment method three:
(1). the position that changes pig ear shape balance weight on the crank 10 changes trimming moment.
(2). change adjusting rod 6 length and change trimming moment.
(3). the weight that changes balance weight 5 changes trimming moment.
And conventional type and out-phase type have only above-mentioned (1) one, the lower end shoulder the bell type have only above-mentioned (1), (3) two.This oil pumper balancing mode is all more than existing oil pumper, and the balancing scope is big, can take the different modes balancing according to different situations, can satisfy the demand fully.When walking beam 2 two ends moment differences are little, take above-mentioned (1), (2) mode balancing to get final product, when walking beam 2 two ends moments are widely different, take (3) mode balancing again, can reduce downtime to greatest extent, alleviate labor strength.
The energy-saving principle of this oil pumper is: under the prerequisite of 2 liang of end momentss of above-mentioned balancing walking beam, because balance weight 5 sagging segment distances (being as the criterion not bump gearbox) form inclined to one side formula down.When horse head 1 when bottom dead centre up moves, the load moment maximum; At this moment, adjusting rod 6 promotes balance weight 5, forms maximum trimming moment, cuts down load moment, reduces motor 13 loads, energy conservation.When horse head 5 when top dead-centre down moves, the load moment minimum, motor 13 is paid energy for lifting balance weight 5.Like this, can make motor 13 loads evenly, motor 13 is equipped with power and descends, and cuts down the consumption of energy.
Claims (5)
1, a kind of pair of balance beam type oil pump comprises motor, gearbox, support, walking beam, horse head, crossbeam, connecting rod, crank, chassis, polished rod eye, brake gear, it is characterized in that: also comprise inclined to one side formula counter-jib, adjusting rod, balance weight down; The upper end of inclined to one side formula counter-jib hangs on the walking beam afterbody by hanging pin down, the lower end connects balance weight; One end of adjusting rod is hinged with the lower end of following inclined to one side formula counter-jib, the other end and walking beam are hinged.
2, according to claim 1 pair of balance beam type oil pump is characterized in that: an end of adjusting rod is hinged with the lower end of following inclined to one side formula counter-jib, the other end and support hinge joint.
3, according to claim 1 pair of balance beam type oil pump is characterized in that: the lower end of following inclined to one side formula counter-jib is provided with the casing of placing balance weight, and balance weight is placed in the casing.
4, according to claim 1 pair of balance beam type oil pump, it is characterized in that: the lower end of following inclined to one side formula counter-jib is provided with hook, and balance weight is suspended on the hook.
5, according to claim 1 pair of balance beam type oil pump is characterized in that: adjusting rod is the threaded adjusting bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02244709 CN2581689Y (en) | 2002-11-08 | 2002-11-08 | Double balance beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02244709 CN2581689Y (en) | 2002-11-08 | 2002-11-08 | Double balance beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2581689Y true CN2581689Y (en) | 2003-10-22 |
Family
ID=33716526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02244709 Expired - Fee Related CN2581689Y (en) | 2002-11-08 | 2002-11-08 | Double balance beam-pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2581689Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705806B (en) * | 2009-11-25 | 2013-11-20 | 张向明 | Double-balance oil extractor |
| CN104775795A (en) * | 2015-04-15 | 2015-07-15 | 四川金鑫股份有限公司 | Beam-pumping unit |
-
2002
- 2002-11-08 CN CN 02244709 patent/CN2581689Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705806B (en) * | 2009-11-25 | 2013-11-20 | 张向明 | Double-balance oil extractor |
| CN104775795A (en) * | 2015-04-15 | 2015-07-15 | 四川金鑫股份有限公司 | Beam-pumping unit |
| CN104775795B (en) * | 2015-04-15 | 2019-01-08 | 四川金鑫股份有限公司 | Beam 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 |