CN201277016Y - Pendulum bell type automatic-leveling energy-saving pumping unit - Google Patents
Pendulum bell type automatic-leveling energy-saving pumping unit Download PDFInfo
- Publication number
- CN201277016Y CN201277016Y CNU2008201386729U CN200820138672U CN201277016Y CN 201277016 Y CN201277016 Y CN 201277016Y CN U2008201386729 U CNU2008201386729 U CN U2008201386729U CN 200820138672 U CN200820138672 U CN 200820138672U CN 201277016 Y CN201277016 Y CN 201277016Y
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- walking beam
- bell
- balance
- pumping unit
- automatic leveling
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Abstract
The utility model relates to a swing barbell type automatic leveling energy-saving pumping unit, which comprises a base (3), a support frame (4), a support frame shaft (5), a walking beam (6), a mule head (7), a brake device (15) mounted at the rear portion of a mount of the pumping unit, a traction motor (17), a belt pulley (19), a reduction box (9), an output shaft (11), a crank (10) and a connecting bar (13), wherein the upper end of the connecting bar is connected with a tail shaft (14) of the walking beam. The swing barbell type automatic adjusting energy-saving pumping unit is characterized in that a barbell (23) capable of swinging is suspended at the tail of the walking beam (6), a screw elevator (32) mounted on the walking beam pulls an auxiliary balance weight (29) to move front and back under driving of a control motor (31), and a current sensor (35), a position sensor (37) and a single-chip microcontroller (34) are respectively mounted on an input lead of the traction motor (17), the reduction box (9) and a distribution box (16). The swing barbell type automatic adjusting energy-saving pumping unit can reduce fluctuation of balance moment with sound balance effect and can realize automatic leveling with significant energy saving effect, which is adaptable to remodeling of conventional pumping units and manufacture of new pumping units.
Description
(1) technical field:
The utility model relates to the oil pumper in a kind of oil field machinery oil field, more precisely is a kind of swinging bell automatic leveling energy-saving type oil pumping machine.
(2) background technology:
In the prior art, oil pumper has had a variety of, the widely used beam pumping unit that mainly contains on the oil field, two horse head oil pumpers, dwarf forms oil pumper and linear reciprocation oil pumper etc., beam pumping unit wherein, two horse head oil pumpers and dwarf forms oil pumper all are to rely on the crank have balance weight to rotatablely move to drive walking beam and horse head to do to pump, when oil pumper is up, the gravity of crankshaft balance weight can play the effect that the pulling polished rod eye rises, when oil pumper is descending, the gravity of crankshaft balance weight can play the effect that stops polished rod eye to fall, like this, crankshaft balance weight just can play balanced loaded effect, facts have proved this oil pumper because simple in structure, reliable, therefore on the oil field, obtained using widely, its major defect is, counterbalance effect is not ideal enough, because, trimming moment can change a lot when crankshaft balance weight rotates to different positions, and torque curve generally is two steamed bun ripples that differ in size; The operating principle of linear reciprocation oil pumper is similar to the operating principle of elevator, it is that a fixed pulley is installed on pylon top, and two ends are hanging polished rod eye and balance weight respectively, and the quality of balance weight and load that polished rod eye is hung are basic identical, no matter oil pumper is up or descending, the load of motor is basic identical, so this balance of well pumping unit effect is best, power savings is remarkable, its major defect is that cost is higher, can increase some difficulty in management and the control; Also having a kind of is the down eccentric barbell oil pumper, this oil pumper is that the afterbody at walking beam has installed a fixedly connected down eccentric barbell additional, data shows that it has the effect that reduces the net torque peak value, certain energy-saving effect is arranged, its major defect is, barbell can produce bigger lateral inertia forces and out-of-balance force in the walking beam swing process, counterbalance effect and balanced capacity are all more limited, especially in actual use generally can't the original crankshaft balance weight of cancel all, make its balanced action more limited.
(3) utility model content:
True shortcoming and defect to existing in the prior art, the utility model provides a kind of swinging bell automatic leveling energy-saving type oil pumping machine, this oil pumper can the compatible conventional oil pumper structural advantages and the balance advantage of linear reciprocation oil pumper, reach the structure and the method for operation that neither change conventional pumping unit, can realize the straight line autobalance that is similar to again, make the fluctuation of load become very little, reduce the power of dragging motor significantly, improve power factor, rely on the pendulum bell to realize balance thereby reach, rely on the walking beam auxiliary balance to realize self-leveling purpose.
The technical scheme that the utility model adopted is:
This swinging bell automatic leveling energy-saving type oil pumping machine, it comprises base (3), support (4), support shaft (5), walking beam (6), horse head (7), be installed in the brake gear (15) at oil pumper support rear portion, dragging motor (17), belt pulley (19), reduction box (9), output shaft (11), crank (10) and connecting rod (13), the upper end of connecting rod is connected with walking beam tailing axle (14), it is characterized in that, the pendulum bell (23) that can swing at one of the rear suspension of walking beam (6), a screw-threaded shaft elevator (32) also is housed on walking beam, its promotes down auxiliary balance heavy (29) in the drive of control motor (31) and moves forward and backward, and on the input lead of dragging motor (17) and on the reduction box (9) and on the switchbox (16) current sensor (35) is being housed respectively, position sensor (37) and single-chip microcomputer (34).
The utility model advantage compared with prior art is:
1, can reduce unbalanced moment significantly.
2, can realize adjusting automatically balance.
3, power savings is remarkable.
(4) description of drawings:
Fig. 1 is a front view of the present utility model.
The schematic diagram of pendulum bell position when Fig. 2 is the utility model top dead-centre.
The schematic diagram of pendulum bell position when Fig. 3 is the utility model bottom dead centre.
Fig. 4 is the schematic diagram that original fixed down eccentric barbell movement position changes.
Fig. 5 is the schematic diagram of the utility model pendulum fluid motion change in location.
Fig. 6 is the structure chart of pendulum bell part.
Fig. 7 is automatic leveling operating principle key diagram.
(5) specific embodiment:
Consult Fig. 1, be embedded with concrete pedestal (2) on the earth (1), on it oil pumper support (3), support (4) is housed above the support, support shaft (5) is equipped with at the top of support, and walking beam (6) and horse head (7) can be around the swings of this support shaft, is polished rod eye (8) below the horse head, this polished rod eye is hanging load, only moves up and down not participate in swing.Switchbox (16), brake gear (15), dragging motor (17) are equipped with in the rear portion of oil pumper, belt (18) couples together motor and belt pulley (19), reduction box (9) also is equipped with at the support rear portion, reduction gearbox output shaft (11) is housed on it, crank (10) is housed on the output shaft, the other end of crank is connected with connecting rod (13) by a crank-pin (12), and the other end of connecting rod is connected with the tailing axle (14) of walking beam rear lower.The afterbody of walking beam is equipped with lengthening beam (20), and suspended axle (21) is housed on it, and it is hanging pendulum bell (23) by balance arm (22), and the pendulum bell is made up of the several oscillating disc, is fixed together by pendulum bell axle (24) and fixed screw (25) series connection.Stressed backplate (28) is housed in the inboard of balance arm, and its push pedal (27) below lengthening beam is corresponding, and the damping rubber cushion is equipped with in the push pedal outside, and push pedal can move forward and backward under the promotion of leading screw (26).Screw-threaded shaft elevator (32) is fixed on the walking beam (6) by screw-threaded shaft elevator fixture (33), and can be according to the balance needs, fixing position is moved in front and back, the end of leading screw (30) is connected with walking beam auxiliary balance heavy (29), can move forward and backward under the drive of control motor (31), the walking beam auxiliary balance is heavy also can be according to balance needs increase and decrease quality.
Current sensor (35) is installed on the dragging motor lead, and pass through holding wire (36) and give single-chip microcomputer (34), position sensor (37) symmetry is installed in a certain position on the reduction box (9), and pass to single-chip microcomputer (34) by holding wire (38), the control signal that single-chip microcomputer sends is connected with control motor (31) on the walking beam by control motor lead (39).
Horse head moves downward this process of walking beam horizontal level from top dead-centre, and pendulum bell (23) is sagging always, and it has done a rotation with respect to suspended axle (21), has done an approximate rectilinear motion upwards with respect to ground.Horse head moves to this process of bottom dead centre from horizontal level, the pendulum bell begins to do circular motion around support shaft (5) together with walking beam under the promotion of push pedal (27), because this circular arc has been crossed over horizontal diameter just, therefore also done an approximate rectilinear motion upwards.Like this, the whole motion process of horse head from the top dead-centre to the bottom dead centre, the pendulum bell has been done two approximate rectilinear motions up and down continuously, and changes very little with respect to the trimming moment of support shaft.As required, adjust the front and back position of leading screw (26), can change the position of the initial rotation point of pendulum bell, and then can roughly change upward bottom dead centre equilibrant force magnitude proportion, adapting to the needs of the inertia force that high frequency motion produced, initial rotation point in advance, it is big that the equilibrant force of lower dead point position becomes.
When reasons such as oil well liquid level fluctuation cause the horse head load to change, will cause the oil pumper off-center operation, the peak point current ratio of motor and up and down the time scale of stroke generally all can change, adjust the front and back position of the auxiliary balance heavy (29) on the walking beam in good time, just can readjust balance, to adapt to this variation needs.On the one hand, current sensor (35) can be passed to single-chip microcomputer to unbalanced load current signal, single-chip microcomputer can send instruction by controlling motor lead (39) and allow control motor (31) on the screw-threaded shaft elevator just change or reversing, promoting the walking beam auxiliary balance heavily moves forward and backward, when the ascending current peak value greater than the centrifugal current peak value and when reaching certain proportion, explanation is a underbalance, auxiliary balance heavily is moved to the left, increase equilibrant force, otherwise, when the ascending current peak value less than the centrifugal current peak value and when reaching certain proportion, explanation is overbalance, the walking beam auxiliary balance heavily moves right, and reduces equilibrant force.On the other hand, two position sensors (37) that symmetry is installed can be passed to single-chip microcomputer to the unbalanced time scale signal of stroke up and down, single-chip microcomputer can send instruction by controlling motor lead (39) and allow control motor (31) on the screw-threaded shaft elevator just change or reversing, promoting the walking beam auxiliary balance heavily moves forward and backward, when last line time greater than downgoing time and when reaching certain proportion, explanation is a underbalance, the walking beam auxiliary balance heavily is moved to the left, increase equilibrant force, otherwise, when last line time less than downgoing time and when reaching certain proportion, explanation is overbalance, the walking beam auxiliary balance heavily moves right, and reduces equilibrant force.
Consult Fig. 2, from this figure as can be seen horse head at the location status of top dead-centre time pendulum bell.
Consult Fig. 3, from this figure as can be seen horse head at the location status of bottom dead centre time pendulum bell.
Consult Fig. 4, X, Y, Z are 3 running orbit points of original fixed down eccentric barbell, are one section circular arcs around support shaft (5) operation, are 40.36% with respect to the maximum moment difference of support shaft, and the moment variations of motion process is very big.
Consult Fig. 5, A, B, C are 3 running orbit points of the utility model pendulum bell, be two sections circular arcs that link together, from upper be to be the circular arc of radius to support shaft (5) to meta (AB section) with pendulum bell barycenter, be to be the circular arc of radius to support shaft (5) from meta to the next (BC section) with suspended axle (21), the maximum moment difference is 2.79%, and the moment variations of motion process is very little.
Consult Fig. 6, pendulum bell (23) is made up of the several oscillating disc, is fixed together by pendulum bell axle (24) and fixed screw (25) series connection, and is connected with balance arm (22), according to the balance needs, can increase and decrease the size that the pendulum disc is adjusted equilibrant force.
Consult Fig. 9, this figure is to be the control core circuit diagram with single-chip microcomputer (34), 2 pin of single-chip microcomputer and 5 pin timing acquiring are from the signal of Boolean value output sensor (37), and simultaneously, single-chip microcomputer 1 pin begins to gather the load current signal from current sensor (35), the maximum value Im and the minimum value In of two crests of continuous 10 taking-ups of CPU compare, get its average, if surpass just 5%, explanation is a underbalance, 3 human hair combing wastes go out low level signal, relay J
1Must be electric, J
1-1Closure, control motor (31) is in running order, and CPU goes out 15 seconds low level signal, relay J from 4 human hair combing wastes simultaneously
2Must be electric, J
2-1Closure, leading screw (30) is moved to the left 15 seconds, and trimming moment is suitably strengthened, and negative 5% if ratio surpasses, explanation is overbalance, and 3 pin also send low level signal, and CPU goes out 15 seconds high level signal, relay J from 4 human hair combing wastes
2Dead electricity, constant open contact J
2-2Closure, leading screw (30) moved right 15 seconds, and trimming moment is suitably reduced, if be no more than 5%, 3 human hair combing wastes of CPU go out the high level signal relay J
1Dead electricity, J
1-1Discharge, leading screw (30) will keep original invariant position.Also be provided with travel switch (40) and (41) at the two ends of leading screw (30), when the end of leading screw (30) moves to two end points, travel switch will be disconnected, and the control motor will stop operating.According to actual needs, CPU also can control moving forward and backward of leading screw according to the ratio of time phase difference by journey time about the Boolean value output sensor collection, and then realizes the automatic adjusting of balance.K among the figure
1And K
2Be two hand switches, utilize these two switches manually to control the mobile of leading screw.
Claims (5)
1, a kind of swinging bell automatic leveling energy-saving type oil pumping machine, it comprises base (3), support (4), support shaft (5), walking beam (6), horse head (7), be installed in the brake gear (15) at oil pumper support rear portion, dragging motor (17), belt pulley (19), reduction box (9), output shaft (11), crank (10) and connecting rod (13), the upper end of connecting rod is connected with walking beam tailing axle (14), it is characterized in that, the pendulum bell (23) that can swing at one of the rear suspension of walking beam (6), a screw-threaded shaft elevator (32) also is housed on walking beam, its promotes down auxiliary balance heavy (29) in the drive of control motor (31) and moves forward and backward, and on the input lead of dragging motor (17) and on the reduction box (9) and on the switchbox (16) current sensor (35) is being housed respectively, position sensor (37) and single-chip microcomputer (34).
2, swinging bell automatic leveling energy-saving type oil pumping machine as claimed in claim 1, it is characterized in that, pendulum bell (23) is connected with walking beam suspended axle (21) by balance arm (22), the stressed backplate (28) of balance arm inboard is corresponding with the push pedal (27) of walking beam tail bottom, and push pedal can move forward and backward under the drive of leading screw (26).
3, swinging bell automatic leveling energy-saving type oil pumping machine as claimed in claim 1 is characterized in that, pendulum bell (23) is made up of the several oscillating disc, is fixed together by pendulum bell axle (24) and fixed screw (25) series connection.
4, swinging bell automatic leveling energy-saving type oil pumping machine as claimed in claim 1, it is characterized in that current sensor (35), position sensor (37) and control motor (31) are respectively by current sensor signal line (36) and position sensor signal line (38) and control motor lead (39) and be connected with single-chip microcomputer (34) on being installed in switchbox (16).
5, swinging bell automatic leveling energy-saving type oil pumping machine as claimed in claim 1 is characterized in that, screw-threaded shaft elevator (32) is fixed on the walking beam (6) by screw-threaded shaft elevator fixture (33), and can be according to the balance needs, and fixing position is moved in front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201386729U CN201277016Y (en) | 2008-10-31 | 2008-10-31 | Pendulum bell type automatic-leveling energy-saving pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201386729U CN201277016Y (en) | 2008-10-31 | 2008-10-31 | Pendulum bell type automatic-leveling energy-saving pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201277016Y true CN201277016Y (en) | 2009-07-22 |
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ID=40894602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201386729U Expired - Fee Related CN201277016Y (en) | 2008-10-31 | 2008-10-31 | Pendulum bell type automatic-leveling energy-saving pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201277016Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102741603A (en) * | 2010-02-19 | 2012-10-17 | 鲁贝株式会社 | Pump device for lubrication oil |
| WO2014059749A1 (en) * | 2012-10-19 | 2014-04-24 | 中国石油天然气集团公司 | Pumping unit capable of automatically adjusting balance |
| WO2016107591A1 (en) * | 2014-12-31 | 2016-07-07 | 新疆维吾尔自治区第三机床厂 | Method for power-balanced digitized automatically controlled oil pumping and oil-pumping robot |
| WO2016107593A1 (en) * | 2014-12-31 | 2016-07-07 | 新疆维吾尔自治区第三机床厂 | Digitized automatically controlled oil-pumping method and balance-shifting digitized pumpjack |
| CN108119581A (en) * | 2017-12-28 | 2018-06-05 | 中国石油天然气集团公司 | Worm-gear type braking operator and pumping unit apparatus |
| CN117823397A (en) * | 2024-03-06 | 2024-04-05 | 成都鑫泽机械有限公司 | Beam-pumping unit walking beam slides two counter weight devices |
-
2008
- 2008-10-31 CN CNU2008201386729U patent/CN201277016Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102741603A (en) * | 2010-02-19 | 2012-10-17 | 鲁贝株式会社 | Pump device for lubrication oil |
| US9243618B2 (en) | 2010-02-19 | 2016-01-26 | Lube Co., Ltd. | Pump device for lubricant |
| WO2014059749A1 (en) * | 2012-10-19 | 2014-04-24 | 中国石油天然气集团公司 | Pumping unit capable of automatically adjusting balance |
| WO2016107591A1 (en) * | 2014-12-31 | 2016-07-07 | 新疆维吾尔自治区第三机床厂 | Method for power-balanced digitized automatically controlled oil pumping and oil-pumping robot |
| WO2016107593A1 (en) * | 2014-12-31 | 2016-07-07 | 新疆维吾尔自治区第三机床厂 | Digitized automatically controlled oil-pumping method and balance-shifting digitized pumpjack |
| US10527034B2 (en) | 2014-12-31 | 2020-01-07 | Xinjiang Uygur Autonomous Region No 3 Machine Tool Works | Digitized automatic control method for oil-pumping and digitized balance-shifting pumpjack |
| CN108119581A (en) * | 2017-12-28 | 2018-06-05 | 中国石油天然气集团公司 | Worm-gear type braking operator and pumping unit apparatus |
| CN117823397A (en) * | 2024-03-06 | 2024-04-05 | 成都鑫泽机械有限公司 | Beam-pumping unit walking beam slides two counter weight devices |
| CN117823397B (en) * | 2024-03-06 | 2024-05-10 | 成都鑫泽机械有限公司 | Beam-pumping unit walking beam slides two counter weight devices |
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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: 20090722 Termination date: 20121031 |