CN203867528U - Dynamic balance intelligent adjusting device of novel beam-pumping unit - Google Patents
Dynamic balance intelligent adjusting device of novel beam-pumping unit Download PDFInfo
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- CN203867528U CN203867528U CN201420190440.3U CN201420190440U CN203867528U CN 203867528 U CN203867528 U CN 203867528U CN 201420190440 U CN201420190440 U CN 201420190440U CN 203867528 U CN203867528 U CN 203867528U
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- leading screw
- shell
- rider
- balance
- fork
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Abstract
The utility model relates to a dynamic balance intelligent adjusting device of a novel beam-pumping unit, and belongs to the technical field of oil field oil extraction mechanical control. A servo motor is fixedly mounted on the right side inside an outer shell, a lead screw is arranged on the left side of the outer shell through bearing pedestals, and strength bearing guide rails are arranged on the left side inside the outer shell. The lead screw is provided with sliding weight plastic corrugated pipes. The servo motor is connected with the lead screw through a coupler. An oscillating bar which is movably connected with a sliding weight through a connecting rod is arranged at the left end of the outer shell, the oscillating bar is provided with a balancing box, and the servo motor is connected with a ground digitization control cabinet through a signal line. The dynamic balance intelligent adjusting device is fixed on the tail portion of the sliding weight, an original structure is not changed, a control system is used for controlling the servo motor to move, remote control can be achieved, the balance adjusting range is wide, and the balancing effect is good. The adaptability to the severe environment of an oil field is high, the service life of the entire balance device is prolonged, and the problems that a high-power motor needs to be chosen in an existing pumping unit, and when the motor operates in a low power factor state, the power supply quality of a power grid is turned to be bad are solved.
Description
Technical field
The utility model relates to a kind of novel beam dynamic balance of oil pumping unit intelligent regulating device, belongs to oil extraction in oil field machinery and automatic control technology field, ground.
Background technology
The work characteristics of oil pumper sucker rod pumping system is: in a complete stroke cycle, oil pumping machine polished rod load changes greatly, and upstroke horse head suspension point need be mentioned sucker rod and oil column, and at this moment motor will be paid very large energy; During to down stroke, sucker rod relies on deadweight just can fall, and does not only need motor to pay energy, to motor acting, makes motor in generating state on the contrary.The uneven load being subject in up-down stroke in order to reduce motor, generally adds bascule on existing oil pumper.Conventional beam pumping unit adopts crank balance mode, and the feedback energy that down stroke polished rod load falls and engine jointly, to crank balance device acting, convert it into potential energy and store; Upstroke crank balance device discharges potential energy with engine and jointly suspension point is done work, and mentions polished rod load; The counter balance torque that conventional beam type oil pumping machine crank bascule produces on reducer output shaft changes by sinusoidal rule, cause the net torque curve fluctuation after load-torque curve and the reduction of crank balance torque curve larger, there are higher " peak value " and darker negative sense " valley " to exist, must select compared with the motor of the reducer of high pulling torque and relatively high power, form high energy consumption, and motor is operated in low power factor state, cause the power supply quality variation of electrical network.
In order to reduce high energy consumption, the beam pumping unit in oil field has adopted multiple conservation measures at present.Have secondary balance weight Double equilibrium methods as installed the method for bascule additional on crank, the method is on the straight line end face of crankshaft balance weight, to install a secondary balance weight additional, by changing the position of secondary balance weight, reaches the effect of secondary balancing; Although this balance method can change the offset angle of balance sysmte, the moment of torsion on the reduction crank of part, reduces negative torque, and because the weight of secondary balance weight is limited, the effect of adjusting is also limited.Meanwhile, owing to having increased adjusting device on crankshaft balance weight, structure is comparatively complicated, has reduced the reliability of whole system, and can not reduce stressed on crank-pin, and therefore, this secondary balancing mode could not be at oil field spread.Moreover installing bascule on crank additional, will to realize the automation difficulty of crank balance larger, its reason is that crank and balance weight are 360 ° and constantly rotatablely move, and this can make the vibration of crank auxiliary balance device violent, and control line is constantly wound around.
And for example the measure of existing walking beam auxiliary balance is to install fixing balance weight additional at the afterbody of conventional type beam pumping unit, data shows certain energy-saving effect, but because balance weight angle is unadjustable, make beam balance and polished rod load be difficult to mate, particularly in shallow well, counterbalance effect is poor, balanced capacity is more limited, is difficult to adapt to various operating mode, and indivedual operating modes even cause larger energy consumption.
Summary of the invention
The purpose of this utility model is, for present situation and the deficiency of above-mentioned background technology, a kind of novel beam dynamic balance of oil pumping unit intelligent regulating device is provided, this device is fixed on walking beam afterbody, adopts the action of control system control servomotor, and then realizes 0 ° to 90 ° variation of swinging angle of swinging rod, realize real-time dynamic auto balancing, widen balancing scope, improve balancing effect, and can realize Long-distance Control.
The utility model is to realize by the following technical solutions above-mentioned purpose:
This novel beam dynamic balance of oil pumping unit intelligent regulating device comprises square flange, shell, servomotor, shaft coupling, leading screw, Digital Control cabinet, bearing support, annular iron plate, rider, load bearing, load guide rail, connecting rod, fork, tandem-driving bogie, spacer pin, plastic film capicitor and protective cover, it is characterized in that: the right in shell is installed with servomotor, the left side in shell is installed with leading screw by bearing support, and the screw thread on leading screw is trapezoidal thread; Before and after the left side in shell, both sides are installed with load guide rail, and rider is installed on leading screw, and rider both sides are provided with the load bearing coordinating with load guide rail, and load bearing can be along load guide rail straight-line rolling, and rider coordinates by trapezoidal thread spiral with leading screw; On the leading screw at rider two ends, by annular iron plate, plastic film capicitor is housed; Servomotor is connected by shaft coupling with leading screw; The right-hand member of shell is fixed with square flange, the left end of shell is by the hinged fork that can swing around pin joint that is fixed with of otic placode, and one end of fork is flexibly connected with rider by connecting rod, and the other end of fork is fixed with tandem-driving bogie, in tandem-driving bogie, lay balance weight, balance weight is fixed by spacer pin; Shell upper is provided with protective cover, and protective cover left end middle part has a width and be slightly larger than the groove of fork; Servomotor is connected with the Digital Control cabinet on ground by holding wire.
The utility model beneficial effect is compared with prior art:
This novel beam dynamic balance of oil pumping unit intelligent regulating device is fixed on walking beam afterbody, adopt the action of control system control servomotor, weigh without manual leveling, can automatically regulate balance of well pumping unit by Digital Control cabinet control executing agency according to monitoring information, intelligent degree is high, and can realize Long-distance Control.The balance that regulates oil pumper by changing swinging angle of swinging rod from the variation of 0 ° to 90 ° and the weight that changes balance weight, balancing scope is wide, and good balance effect has really reached and has saved electric energy and improve the object in oil pumper life-span.In addition, this device is selected Sliding leadscrew nut, can realize self-locking, without check mechanism; And leading screw adopts plastic film capicitor and protective cover double seal protection, is conducive to sand control dustproof, has strengthened the compliance of this device to oil field adverse circumstances, the application life of having improved whole bascule; Adopt load bearing to coordinate with the rolling of load guide rail, frictional force reduces greatly compared with common dovetail guide; Whole bascule is arranged on walking beam afterbody by square flange, does not change the structure of former oil pumper, and balance device structure is simply compact, and cost is low and applied widely.
Brief description of the drawings
Fig. 1 is that a kind of novel beam dynamic balance of oil pumping unit intelligent regulating device is arranged on the structural representation on oil pumper;
Fig. 2 is a kind of front view of novel beam dynamic balance of oil pumping unit intelligent regulating device;
Fig. 3 is a kind of top view of novel beam dynamic balance of oil pumping unit intelligent regulating device;
Fig. 4 is a kind of novel beam dynamic balance of oil pumping unit intelligent regulating device automatic adjusting balance fundamental diagram.
In figure: 1, walking beam, 2, square flange, 3, shell; 4, servomotor, 5, shaft coupling, 6, leading screw; 7, Digital Control cabinet, 8,9, bearing support, 10,11,17,18, annular iron plate; 12, rider, 13,14, load bearing, 15,16, load guide rail; 19, connecting rod, 20, fork, 21, tandem-driving bogie; 22, spacer pin, 23,24, plastic film capicitor, 25, protective cover.
Detailed description of the invention
This novel beam dynamic balance of oil pumping unit intelligent regulating device comprises square flange 2, shell 3, servomotor 4, shaft coupling 5, leading screw 6, Digital Control cabinet 7, bearing support 8,9, annular iron plate 10,11,17,18, rider 12, load bearing 13,14, load guide rail 15,16, connecting rod 19, fork 20, tandem-driving bogie 21, spacer pin 22, plastic film capicitor 23,24 and protective cover 25; the right in shell 3 is installed with servomotor 4; the left side in shell 3 is installed with leading screw 6 by bearing support 8,9, and the screw thread on leading screw 6 is trapezoidal thread.Before and after the left side in shell 3, both sides are installed with load guide rail 15,16, rider 12 is installed on leading screw 6, rider 12 both sides are provided with the load bearing 13,14 coordinating with load guide rail 15,16, load bearing 13,14 can be along load guide rail 15,16 straight-line rollings, adopt load bearing 13,14 and load guide rail 15,16 to bear on the one hand the component of leading screw 6 vertical direction in balancing process, on the other hand, compared with traditional dovetail groove, greatly reduce and the friction of guide rail by the mode of rolling friction.Rider 12 coordinates by trapezoidal thread spiral with leading screw 6.On the leading screw 6 at rider 12 two ends, by annular iron plate 11,18,17,10, plastic film capicitor 23,24 is housed, the diameter of described two sections of plastic film capicitors 23,24 and equal in length, its two ends are adhesively fixed on leading screw 6 outsides by the annular iron plate 11,10,18,17 of bearing support 8,9 inner sides and rider 12 two ends welding, and leading screw 6 is played to the effect that sand control is dustproof.Servomotor 4 is connected by shaft coupling 5 with leading screw 6.The right-hand member of shell 3 is fixed with square flange 2, the left end of shell 3 is by the hinged fork 20 that can swing around pin joint that is fixed with of otic placode, one end of fork 20 is flexibly connected with rider 12 by connecting rod 19, the other end of fork 20 is fixed with tandem-driving bogie 21, in tandem-driving bogie 21, lay balance weight, balance weight is fixing by spacer pin 22; Shell 3 tops are provided with protective cover 25, and protective cover 25 left ends middle parts have a width and be slightly larger than the groove of fork 20; Servomotor 4 is connected with the Digital Control cabinet 7 on ground by holding wire.(referring to accompanying drawing 1～4)
The hinge position of the fulcrum that described fork 20 swings is the hinged point with connecting rod 19 higher than rider 12, make the axial thrust load that is subject on leading screw 6 axial thrust load far below leading screw 6 in the time that the hinged point of fork 20 and the hinged point of rider 12 are positioned at sustained height, and the angle that fork 20 swings can realize 0 ° to 90 ° variation, so not only the type selecting to leading screw 6 and life-span are more favourable, and compared with balance weight translation, widen balancing scope, improved balancing effect.
Described protective cover 25 is pmma material, is placed in the top of shell 3, and bascule is shielded.According to the track circulation design of fork 20 peaks, both ends horizontal is stretched out a part, and the part of stretching out with shell 3 both ends horizontal is joined with bolts.Protective cover 25 left ends middle parts have a width and are slightly larger than the seam of fork, and while preventing that fork 20 from swinging to certain angle, protected cover 25 can not move after blocking.Material is saved in airflow design, and good looking appearance, and convenient observation, be easy to install.
The described data that Digital Control cabinet 7 receives and analyte sensors gathers, calculate the degree of balance of oil pumper and show in real time the degree of balance, by software, an optimum balance degree is set again, controller calculates and reaches the number of turns that optimum balance degree servomotor 4 needs rotation, and then drive servomotor 4 to move, finally realize the swing of fork 20.Adopt that servomotor 4 has advantages of that precision is high, good stability, low speed high torque, fast response time, can frequently play braking and rotating; Control position and velocity accuracy are high, and balancing is accurate fast.
The executing agency of this bascule is fixed on the afterbody of walking beam 1 by square flange 2 after having assembled in ground.Sensor is installed on pumping unit horsehead, the common composition data acquisition module of sensor and electrical quantity acquisition module.The signal output part of data acquisition module is connected by holding wire with the signal input part of Digital Control cabinet 7.When work, in the time of balance adjustment of pumping unit, Digital Control cabinet 7 receives the data of data collecting module collected, calculate the now degree of balance of oil pumper by software, and show in real time the degree of balance, reset an optimum balance degree, controller calculate send as an envoy to fork 20 while swinging to target location servomotor 4 need the revolution rotating, controller input motion instruction code, output control signal, to servomotor 4, drives servomotor 4 to move.Servomotor 4 drives leading screw 6 to rotate by shaft coupling 5; on leading screw 6, be manufactured with trapezoidal thread; coordinate with the trapezoidal thread of rider 12 interior annular copper sheathings; rotatablely moving of leading screw 6 changed into the rectilinear motion of rider 12; in the straight-line process of rider 12; load bearing 13,14 rectilinear motions along with rider 12 of rider 12 both sides are made straight-line rolling on load guide rail 15,16; component in leading screw vertical direction is transferred on load guide rail 15,16; 23,24 rectilinear motion elastic telescopics with rider 12 of bellows, protection leading screw.The rectilinear motion drivening rod 19 of rider 12 moves, and the motion of connecting rod 19 changes the pivot angle of fork 20, and balance arm of force peace weighing apparatus moment is also changed thereupon, and in the time arriving target equilbrium position, motor stops action.Due in pumping process, oil reservoir situation constantly changes, and often adjusts balance so need to set suitable adjustment cycle, until cycle setting again when balancing, then repeat above operating process.Control procedure is referring to the automatic adjusting balance fundamental diagram of accompanying drawing 4.
The above is preferred embodiment of the present utility model, above-mentioned not illustrating done any pro forma restriction to flesh and blood of the present utility model, person of an ordinary skill in the technical field is reading any simple modification or the distortion after this manual, according to technical spirit of the present utility model, above detailed description of the invention done, and the technology contents that may utilize above-mentioned announcement is changed or is modified to the equivalent embodiment of equivalent variations, all still belong in the scope of technical solutions of the utility model, and do not deviate from essence of the present utility model and scope.
Claims (1)
1. a novel beam dynamic balance of oil pumping unit intelligent regulating device, it comprises square flange (2), shell (3), servomotor (4), shaft coupling (5), leading screw (6), Digital Control cabinet (7), bearing support (8, 9), annular iron plate (10, 11, 17, 18), rider (12), load bearing (13, 14), load guide rail (15, 16), connecting rod (19), fork (20), tandem-driving bogie (21), spacer pin (22), plastic film capicitor (23, 24) and protective cover (25), it is characterized in that: the right in shell (3) is installed with servomotor (4), the left side in shell (3) is by bearing support (8, 9) be installed with leading screw (6), screw thread on leading screw (6) is trapezoidal thread, before and after the left side in shell (3), both sides are installed with load guide rail (15,16), rider (12) is installed on leading screw (6), rider (12) both sides are provided with the load bearing (13,14) coordinating with load guide rail (15,16), load bearing (13,14) can be along load guide rail (15,16) straight-line rolling, and rider (12) coordinates by trapezoidal thread spiral with leading screw (6), the leading screw (6) at rider (12) two ends is above equipped with plastic film capicitor (23,24) by annular iron plate (11,18,17,10), servomotor (4) is connected by shaft coupling (5) with leading screw (6), the right-hand member of shell (3) is fixed with square flange (2), the left end of shell (3) is by the hinged fork (20) that can swing around pin joint that is fixed with of otic placode, one end of fork (20) is flexibly connected with rider (12) by connecting rod (19), the other end of fork (20) is fixed with tandem-driving bogie (21), tandem-driving bogie is laid balance weight in (21), and balance weight is fixing by spacer pin (22), shell (3) top is provided with protective cover (25), and protective cover (25) left end middle part has the groove that a width is greater than fork (20), servomotor (4) is connected with the Digital Control cabinet (7) on ground by holding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190440.3U CN203867528U (en) | 2014-04-19 | 2014-04-19 | Dynamic balance intelligent adjusting device of novel beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190440.3U CN203867528U (en) | 2014-04-19 | 2014-04-19 | Dynamic balance intelligent adjusting device of novel beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867528U true CN203867528U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420190440.3U Withdrawn - After Issue CN203867528U (en) | 2014-04-19 | 2014-04-19 | Dynamic balance intelligent adjusting device of novel beam-pumping unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN203867528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883289A (en) * | 2014-04-19 | 2014-06-25 | 长江大学 | Novel beam-pumping unit dynamic balance intelligent adjusting device |
| CN105221116A (en) * | 2015-11-03 | 2016-01-06 | 西南石油大学 | A kind of crank balance self-checking device |
-
2014
- 2014-04-19 CN CN201420190440.3U patent/CN203867528U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883289A (en) * | 2014-04-19 | 2014-06-25 | 长江大学 | Novel beam-pumping unit dynamic balance intelligent adjusting device |
| CN105221116A (en) * | 2015-11-03 | 2016-01-06 | 西南石油大学 | A kind of crank balance self-checking device |
| CN105221116B (en) * | 2015-11-03 | 2018-05-08 | 西南石油大学 | A kind of crank balance self-checking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |