CN202788763U - Multiple composite balance pumping unit - Google Patents
Multiple composite balance pumping unit Download PDFInfo
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- CN202788763U CN202788763U CN 201220256451 CN201220256451U CN202788763U CN 202788763 U CN202788763 U CN 202788763U CN 201220256451 CN201220256451 CN 201220256451 CN 201220256451 U CN201220256451 U CN 201220256451U CN 202788763 U CN202788763 U CN 202788763U
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- connecting rod
- balance
- crank
- balance weight
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Abstract
The utility model relates to the technical field of beam-pumping units, in particular to a multiple composite balance pumping unit. The multiple composite balance pumping unit comprises a base, a power plant, a connecting rod, a walking beam, a balance donkey head and a working donkey head. The power plant and a support are fixedly arranged on the base. The lower end of the connecting rod is hinged with the power plant. A connecting rod counterweight is fixedly arranged on the connecting rod. The power plant drives the connecting rod to motion in a vertically reciprocating mode. The middle of the walking beam is hinged at the top end of the support through a central bearing pedestal. The upper end of the connecting rod is hinged at the lower end of the left portion of the walking beam through a cross beam bearing pedestal. The multiple composite balance pumping unit is reasonable and compact in structure and convenient to use, combines the advantages of crank balance, connecting rod balance and balancing donkey head balance, gives full play to the variable arm function of a downwardly leaning counterweight, reduces the peak torque of a reducer, and improves the balance effect and running stability of a pumping unit. Besides, a movable small balancing block is light in weight, the balance adjustment is simple and convenient, operation cost is low, and accurate balance can be realized easily.
Description
Technical field
The utility model relates to the beam pumping unit technical field, is a kind of MULTIPLE COMPOSITE balanced oil extractor.
Background technology
The beam pumping unit of field use is quadric chain at present, motor drives reducer by V belt, after the deceleration, rotatablely moving of reducer output shaft become the swing of walking beam horse head by quadric chain, drive polished rod and sucker rod work rectilinear motion up and down reciprocatingly by horse head again, drive the oil well pump oil pumping.Need motor to pay very large energy during upstroke and promote rod string and fluid column; During down stroke, rod string relies on deadweight to fall, and flowing backwards appears in energy, and motor is in generating state, and the parts such as connecting rod, crank bear very large load, need very large reducer moment of torsion and motor power (output).In order to reduce the stressed of oil pumper driver part and to reduce reducer moment of torsion and power of motor, need to increase certain counterpoise at crank or walking beam, to cut down PRL to the effect of drive disk assembly, reduce reducer and motor specification, prolong oil pumper application life; Usually beam pumping unit adopts the plural equilibrium mode that crank balance, beam balance and crank balance combine with beam balance, and energy-saving effect is poor, balance adjustment is difficult.
Summary of the invention
The utility model provides a kind of MULTIPLE COMPOSITE balanced oil extractor, has overcome the deficiency of above-mentioned prior art, and it can effectively solve, and existing achieving good power saving effect of beam pumping units is poor, the balance adjustment hard problem.
The technical solution of the utility model realizes by following measures: a kind of MULTIPLE COMPOSITE balanced oil extractor comprises base, power set, connecting rod, walking beam, balance horse head, work horse head; Be installed with power set and support at base, lower end and the power set of connecting rod are hinged, are installed with the connecting rod balance weight on the connecting rod, and the power set drivening rod pumps; The walking beam middle part is hinged on the top of support by axis of centres bearing, the upper end of connecting rod is hinged on the lower end of walking beam left part by the crossbeam bearing support, the left end of walking beam is installed with the balance horse head, be installed with the fixed weight thing in the lower lumen of balance horse head, the right-hand member of walking beam is installed with the work horse head, and the lower end of work horse head is fixedly connected with polished rod eye.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
Above-mentioned lower end at the balance horse head can be fixedly connected with the ballast box with the polished rod eye symmetry, and the Telescopic movable balance weight is installed in ballast box, and the safety dog pipe that can block the activity balancing piece is installed at ballast box.
Above-mentioned power set can adopt motor power device or internal combustion engine power plant or hydraulic power unit.
Above-mentioned motor power device can comprise motor, reducer and crank; Be installed with motor and reducer at base, be installed with respectively driving pulley on the power output wheel of motor and the power input wheel of reducer, V belt is installed between driving pulley; Power output shaft at reducer is installed with crank, and the lower end of connecting rod is hinged by crank-pin and crank, is installed with crank counterbalance at crank.
Above-mentioned connecting rod balance weight can comprise connecting rod balance weight cavity, and connecting rod balance weight cavity is welded by steel sheet, is perfused with concrete in connecting rod balance weight cavity.
Above-mentioned crank counterbalance can comprise the crank counterbalance cavity, and the crank counterbalance cavity is welded by steel sheet, is perfused with concrete in the crank counterbalance cavity.
The utility model reasonable and compact in structure, easy to use, in conjunction with the advantage of crank balance, connecting rod balance and balance horse head balance, give full play to the change arm effect of lower inclined to one side balance weight, cut down the reducer peak torque, improve the counterbalance effect of oil pumper; Improved oil pump running stability; Movable fritter balance weight is lightweight, and balance adjustment is simple and convenient, operating cost is low and realize easily accurate balance.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is base, and 2 is motor, and 3 is reducer, and 4 is support, 5 is crank, and 6 is connecting rod, and 7 is crank-pin, 8 is walking beam, and 9 is axis of centres bearing, and 10 is the crossbeam bearing support, 11 is the balance horse head, and 12 is the fixed weight thing, and 13 are the work horse head, 14 is polished rod eye, and 15 is ballast box, and 16 is the Telescopic movable balance weight, 17 is the safety dog pipe, and 18 is the connecting rod balance weight, and 19 is V belt.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this MULTIPLE COMPOSITE balanced oil extractor comprises base 1, power set, connecting rod 6, walking beam 8, balance horse head 11, work horse head 13; Be installed with power set and support 4 at base 1, lower end and the power set of connecting rod 6 are hinged, are installed with connecting rod balance weight 18 on the connecting rod 6, and power set drivening rod 6 pumps; Walking beam 8 middle parts are hinged on the top of support 4 by axis of centres bearing 9, the upper end of connecting rod 6 is hinged on the lower end of walking beam 8 left parts by crossbeam bearing support 10, the left end of walking beam 8 is installed with balance horse head 11, be installed with fixed weight thing 12 in the lower lumen of balance horse head 11, the right-hand member of walking beam 8 is installed with work horse head 13, and the lower end of work horse head 13 is fixedly connected with polished rod eye 14.Beam balance moment is all the time less than minimal polished rod load moment, and connecting rod 6 is bearing tension all the time; Fixed weight thing 12 arm of forces play the bending moment effect because the walking beam pivot angle changes, and improve counterbalance effect.
According to actual needs, above-mentioned MULTIPLE COMPOSITE balanced oil extractor is made further optimization and/or improvements:
As shown in Figure 1, as required, be fixedly connected with the ballast box 15 with polished rod eye 14 symmetries in the lower end of balance horse head 11, Telescopic movable balance weight 16 is installed in ballast box 15, the safety dog pipe 17 that can block activity balancing piece 16 is installed at ballast box 15.Telescopic movable balance weight 16 is lightweight, can manually increase and decrease, and balance adjustment is simple and convenient, operating cost is low and realize easily accurate balance.
As shown in Figure 1, power set adopt motor power device or internal combustion engine power plant or hydraulic power unit.Motor power device can adopt variable-frequency motor; Hydraulic power unit comprises oil cylinder and hydraulic motor, provides oil pressure by hydraulic motor to oil cylinder, makes the reciprocating motion of the pistons in oil cylinder, and then provides power for connecting rod 6.
As shown in Figure 1, motor power device comprises motor 2, reducer 3 and crank 5; Be installed with motor 2 and reducer 3 at base 1, be installed with respectively driving pulley on the power input wheel of the power output wheel of motor 2 and reducer 3, V belt 19 is installed between driving pulley; Power output shaft at reducer 3 is installed with crank 5, and the lower end of connecting rod 6 is hinged by crank-pin 7 and crank 5, is installed with crank counterbalance at crank 5.Motor 2 drives reducer 3 by V belt 19, and reducer 3 drives crank 5 rotations, and the connecting rod 6 that is connected with crank 5 is moved up and down; In conjunction with the advantage of crank counterbalance, connecting rod balance weight 18, fixed weight thing 12 and ballast box 15, give full play to the change arm effect of balance horse head 11, cut down reducer 3 peak torques, improve the counterbalance effect of oil pumper; Walking beam 8 trimming moments are all the time less than load moment, and connecting rod 6 is bearing tension all the time, improved oil pump running stability.
As shown in Figure 1, connecting rod balance weight 18 comprises connecting rod balance weight cavity, and connecting rod balance weight cavity is welded by steel sheet, is perfused with concrete in connecting rod balance weight cavity.Can reduce manufacturing cost like this.
Want as required, crank counterbalance comprises the crank counterbalance cavity, and the crank counterbalance cavity is welded by steel sheet, is perfused with concrete in the crank counterbalance cavity.Can reduce manufacturing cost like this.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
The use procedure of the utility model most preferred embodiment: motor 2 rotates by the crank 5 that V belt 19 drives on the reducer 3, swung by crank-pin 7, connecting rod 6 and crossbeam bearing support 10 traction walking beams 8 and work horse head 13, drive polished rod eye 14 and sucker rod work rectilinear motion up and down reciprocatingly by work horse head 13 again, drive the downhole pump oil pumping; Balance horse head 11 is installed in the rear end of walking beam 8, the lower end of balance horse head 11 is fixedly connected with the ballast box 15 with polished rod eye 14 symmetries, fixed weight thing 12 on the balance horse head 11 is fixed on the cavity bottom of balance horse head 11, play lower inclined to one side effect, counterweight in the ballast box 15 is Telescopic movable balance weight 16, make things convenient for a dead lift, be installed with the connecting rod balance weight 18 of constant weight on the connecting rod 6, the fixing crankshaft balance weight of fixed installation on the crank 5, during oil pump running, the moment that the counterweight in the mass 12 on the balance horse head 11 and the ballast box 15 produces central bearing support 9 center of rotation less than PRL on the polished rod eye 14 all the time to the trimming moment of central bearing support 9 center of rotation.
Claims (9)
1. a MULTIPLE COMPOSITE balanced oil extractor is characterized in that comprising base, power set, connecting rod, walking beam, balance horse head, work horse head; Be installed with power set and support at base, lower end and the power set of connecting rod are hinged, are installed with the connecting rod balance weight on the connecting rod, and the power set drivening rod pumps; The walking beam middle part is hinged on the top of support by axis of centres bearing, the upper end of connecting rod is hinged on the lower end of walking beam left part by the crossbeam bearing support, the left end of walking beam is installed with the balance horse head, be installed with the fixed weight thing in the lower lumen of balance horse head, the right-hand member of walking beam is installed with the work horse head, and the lower end of work horse head is fixedly connected with polished rod eye.
2. MULTIPLE COMPOSITE balanced oil extractor according to claim 1, it is characterized in that being fixedly connected with in the lower end of balance horse head the ballast box with the polished rod eye symmetry, the Telescopic movable balance weight is installed in ballast box, the safety dog pipe that can block the activity balancing piece is installed at ballast box.
3. MULTIPLE COMPOSITE balanced oil extractor according to claim 1 and 2 is characterized in that power set adopt motor power device or internal combustion engine power plant or hydraulic power unit.
4. MULTIPLE COMPOSITE balanced oil extractor according to claim 3 is characterized in that motor power device comprises motor, reducer and crank; Be installed with motor and reducer at base, be installed with respectively driving pulley on the power output wheel of motor and the power input wheel of reducer, V belt is installed between driving pulley; Power output shaft at reducer is installed with crank, and the lower end of connecting rod is hinged by crank-pin and crank, is installed with crank counterbalance at crank.
5. MULTIPLE COMPOSITE balanced oil extractor according to claim 1 and 2 is characterized in that the connecting rod balance weight comprises connecting rod balance weight cavity, and connecting rod balance weight cavity is welded by steel sheet, is perfused with concrete in connecting rod balance weight cavity.
6. MULTIPLE COMPOSITE balanced oil extractor according to claim 3 is characterized in that the connecting rod balance weight comprises connecting rod balance weight cavity, and connecting rod balance weight cavity is welded by steel sheet, is perfused with concrete in connecting rod balance weight cavity.
7. MULTIPLE COMPOSITE balanced oil extractor according to claim 4 is characterized in that the connecting rod balance weight comprises connecting rod balance weight cavity, and connecting rod balance weight cavity is welded by steel sheet, is perfused with concrete in connecting rod balance weight cavity.
8. MULTIPLE COMPOSITE balanced oil extractor according to claim 4 is characterized in that crank counterbalance comprises the crank counterbalance cavity, and the crank counterbalance cavity is welded by steel sheet, is perfused with concrete in the crank counterbalance cavity.
9. MULTIPLE COMPOSITE balanced oil extractor according to claim 7 is characterized in that crank counterbalance comprises the crank counterbalance cavity, and the crank counterbalance cavity is welded by steel sheet, is perfused with concrete in the crank counterbalance cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256451 CN202788763U (en) | 2012-06-01 | 2012-06-01 | Multiple composite balance pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256451 CN202788763U (en) | 2012-06-01 | 2012-06-01 | Multiple composite balance pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202788763U true CN202788763U (en) | 2013-03-13 |
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ID=47816039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220256451 Expired - Lifetime CN202788763U (en) | 2012-06-01 | 2012-06-01 | Multiple composite balance pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202788763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605437A (en) * | 2017-09-30 | 2018-01-19 | 周美凤 | A kind of intelligent oil production pump |
| CN111305800A (en) * | 2020-03-31 | 2020-06-19 | 胡勇 | Interactive balance device of beam-pumping unit and operation method thereof |
-
2012
- 2012-06-01 CN CN 201220256451 patent/CN202788763U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605437A (en) * | 2017-09-30 | 2018-01-19 | 周美凤 | A kind of intelligent oil production pump |
| CN107605437B (en) * | 2017-09-30 | 2019-06-25 | 山东华冠能源技术有限公司 | A kind of intelligent oil production pump |
| CN111305800A (en) * | 2020-03-31 | 2020-06-19 | 胡勇 | Interactive balance device of beam-pumping unit and operation method thereof |
| CN111305800B (en) * | 2020-03-31 | 2023-02-03 | 松原市前进石油工程机械有限公司 | Interactive balance device of beam-pumping unit and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |