CN109339744B - Automatic balance adjusting device and method for non-driving beam pumping unit - Google Patents
Automatic balance adjusting device and method for non-driving beam pumping unit Download PDFInfo
- Publication number
- CN109339744B CN109339744B CN201811255728.3A CN201811255728A CN109339744B CN 109339744 B CN109339744 B CN 109339744B CN 201811255728 A CN201811255728 A CN 201811255728A CN 109339744 B CN109339744 B CN 109339744B
- Authority
- CN
- China
- Prior art keywords
- balance
- sand
- crank
- pumping unit
- module
- 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.)
- Active
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000004576 sand Substances 0.000 claims abstract description 116
- 238000003860 storage Methods 0.000 claims abstract description 85
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052742 iron Inorganic materials 0.000 claims abstract description 42
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 238000004364 calculation method Methods 0.000 claims description 22
- 244000035744 Hura crepitans Species 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000013508 migration Methods 0.000 claims description 3
- 230000005012 migration Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Reciprocating Pumps (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to an automatic balance adjusting device and method for a non-driving beam pumping unit. The technical proposal is as follows: two fixed bases are respectively arranged on two sides of the crank by using balance block fixing screws, the sand storage boxes are symmetrically arranged on the same side of the crank in sequence, two sand storage boxes connected by a communication pipe and an electric control valve are arranged as a group, and a plurality of groups are arranged; the solar energy power storage module arranged on the sand storage box provides power for the control module and the electric control valve, the control module determines the circular motion position of the crank through the balance data provided by the motor of the pumping unit and the position sensor arranged at the tail end of the crank, controls the opening and closing time of the electric control valve, and gravity drives the iron sand to flow, so that the storage positions of the iron sand in each group of sand storage boxes are changed, and balance automatic adjustment is realized. The invention can realize automation and real-time of balance operation of the beam pumping unit, greatly lighten the labor intensity of workers, improve the working efficiency, improve the balance degree, reduce peak torque and current, reduce reactive power loss, improve the power factor and realize the minimum requirement of energy consumption.
Description
Technical Field
The invention relates to a balance adjusting device and method for a pumping unit, in particular to an automatic balance adjusting device and method for a non-driving beam pumping unit.
Background
The beam pumping unit is the main equipment for oil field production, and the balanced operation is the basis of safety and energy saving of the pumping unit. When the pumping unit is operated in an unbalanced state, the damage of the speed reducer is easy to cause, the service life of the belt is shortened, the sucker rod is broken and the electric energy is wasted, and the potential threat is caused to the safety of the pumping unit well.
The balance adjustment of the beam pumping unit is frequent and necessary, and after years of research, the balance adjustment of the beam pumping unit has achieved certain results, and the linear balance adjustment appears: (1) The auxiliary balance weight is installed on the crank, and the motor is used for driving the worm and the helical rack to move the balance weight, and the auxiliary balance weight comprises a frame, an electric conduction slip ring, a transmission mechanism, an auxiliary balance weight, a crank and a crank shaft. The problems are that the device is complex, the failure rate is high, the failure is easy to occur, and the cost is high; (2) And a movable counterweight is arranged above the walking beam, and the position of the counterweight is adjusted by moving a steel wire rope through a control system. Since the balance is regulated by a motor-driven steel wire rope, the screw rod and the like are easy to be corroded by moisture in actual operation, and the self-adaptive balancing device is damaged and fails.
Rotary balance adjustment: the balance weight is additionally arranged on the tail shaft of the walking beam, the balance weight and the angle increasing and decreasing moment of the walking beam are adjusted through hydraulic adjustment, the swing rod of the device is completely connected with the balance weight through the push rod, the support at the tail of the walking beam is supported, the walking beam is actually used for a long time, the support is worn to a certain extent, the support is easy to collapse, the balance weight falls, and certain potential safety hazards are caused.
Because the beam pumping unit is heavy mechanical equipment, the automatic balancing device needs high driving force and bears ton-class weight, and needs firm and high strength. The balance adjusting mode mainly comprises a linear mode and a rotary mode, and the principle of the balance adjusting mode is complex mechanical external force driving. In a severe use environment, mechanical driving parts are often worn and aged, so that the functions are invalid, equipment is in fault, and the service life and the safety and reliability are poor; meanwhile, the mechanical parts are more, and the material cost is high.
Disclosure of Invention
The invention aims at overcoming the defects existing in the prior art, and provides the automatic balance adjusting device and the automatic balance adjusting method for the non-driving beam pumping unit, which simplify the structure of the device, improve the service life and the reliability and reduce the cost input.
The invention relates to an automatic balance adjusting device of a non-driving beam pumping unit, which has the technical scheme that: the solar energy power storage device comprises a fixed base (a 1), a sand storage box (a 2), iron sand (a 3), a communication pipe (a 4), an electric control valve (a 5), a position sensor (17), a solar energy power storage module (18) and a control module (19), wherein two fixed bases (a 1) are respectively arranged on two sides of a crank (10) by using balance block fixing screws, and a certain distance is kept; the sand storage boxes (a 2) are symmetrically arranged on the same side of the crank (10) in sequence through fixing screws, two sand storage boxes (a 2) connected by a communication pipe (a 4) and an intermediate electric control valve (a 5) form a group, and a plurality of groups are arranged on each side of the crank (10); the solar energy power storage module (18) arranged on the surface of the Chu Shaxiang (a 2) supplies power to the control module (19) and the electric control valve (a 5), the control module (19) determines the circular motion position of the crank (10) through balance data provided by a motor of the pumping unit and a position sensor (17) arranged at the tail end of the crank (10), the opening and closing time of the electric control valve (a 5) is controlled in a 15-degree interval before and after the vertical point of the crank (10), the gravity drives the iron sand (a 3) to flow, and the storage position of the iron sand of each group of sand storage boxes (a 2) is changed, so that balance automatic adjustment is realized.
Preferably, the above-mentioned electric control valve (a 5) includes valve body (a 5.1), middle baffle (a 5.2), case (a 5.3), valve rod (a 5.4), control valve (a 5.5), buffer baffle (a 5.6), one side of valve body (a 5.1) is equipped with the import, the opposite side is equipped with the export, be equipped with case (a 5.3) in the centre of valve body (a 5.1), the centre of case (a 5.3) is equipped with valve rod (a 5.4) and control valve (a 5.5), valve rod (a 5.4) department is equipped with middle baffle (a 5.2), be equipped with buffer baffle (a 5.6) respectively in the both sides of case (a 5.3).
Preferably, the buffer baffle (a 5.6) is obliquely fixed on the base of the valve core (a 5.3).
Preferably, the control module (19) communicates through a wireless module, current data of the motor are collected through the collection module, the circuit power fluctuation rate and the balance degree are calculated, and the processed data are sent to the CPU control module through the wireless module; the CPU control module sends a switch instruction to the electric control valve (a 5) according to the position sensing of the position sensor (17), and the weight of the sand storage box (a 2) is regulated in real time through gravity driving; when the calculated power fluctuation and balance degree are kept stable, the CPU control module sends an instruction to close the electric control valve, and the balance process is completed.
Preferably, the crank (10) performs circular motion by taking the output end of the reduction gearbox as an endpoint, and when an adjustment instruction is received and the balance center of gravity is required to be adjusted towards the axis, one or more groups of inner sand storage boxes (a 2) are calculated and transferred to the outer sand storage boxes (a 2); at the moment, the running position of each rotary cycle crank (10) is mastered by a position sensor (17), an electric control valve (a 5) is controlled to start and stop at 15 degrees before and after the 6-point position, and iron sand in the inner sand storage box enters the other side sand storage box (a 2) through a communication pipe (a 4) by gravity driving.
Preferably, in a normal state which does not require balance adjustment, the valve core (a 5.3) is in a closed state, and the middle baffle (a 5.2) is positioned in the middle of the two valve rods;
when receiving the adjusting instruction, the valve core (a 5.3) controls the middle baffle (a 5.2) to incline to the left side and props against the left buffer baffle (a 5.6) to support, and iron sand flows to the right side; when receiving the closing instruction, the valve core (a 5.3) controls the valve rod (a 5.4) to reset, and drives the middle baffle (a 5.2) to move towards the middle, so that a sand passage of the communication pipe is blocked.
Preferably, a plurality of groups of mutually independent sand storage boxes are arranged on the upper part and the lower part of the crank (10), the volumes of the two sand storage boxes in each group are the same, the volumes of the sand storage boxes among the groups are different, and balance adjustment multi-step is realized; the automatic sand storage device has the advantages that the iron sand is fully stored in the single-side sand storage box through automatic adjustment, one full box and one empty box are always kept, and impact vibration caused by movement of the iron sand in a container in the crank rotation process is avoided.
The invention relates to a use method of an automatic balance adjusting device of a non-driving beam pumping unit, which adopts the technical scheme that the method comprises the following steps:
1. circuit data acquisition and current balance degree calculation:
the acquisition of the circuit parameters of the pumping well is realized through an acquisition guidance module (20) arranged on a circuit control device (16) of the pumping unit, and three parameters of voltage, current and power are mainly acquired;
selecting a balance degree algorithm according to requirements:
the balance rate calculation formula of the current method comprises the following steps: b=i (lower maximum)/I (upper maximum) ×100%
The power method balance rate calculation formula: b=p (lower maximum)/P (upper maximum) ×100%
The CPU control system is communicated to the crank position of the pumping unit through the wireless module;
2. balance adjustment amount calculation and sand box adjustment strategy analysis:
firstly, according to the data acquisition and calculation, moving iron sand of each sand storage box one by one, and making a section adjustment sand box distribution scheme;
3. automatic sand box adjustment control is realized:
the control is realized through control module control, the control module is arranged at a clearance part on a crank, and voltage is provided for a CPU control system by a solar energy storage module (18), wherein the CPU control system has three functions: firstly, receiving information such as a wireless adjusting instruction, a crank position and the like; secondly, sending a switch control instruction of the electric control valve; thirdly, calculating and storing the volume in the box body of each sand storage box; firstly, a CPU control system obtains adjustment information given by an acquisition guidance module through a wireless receiving module, a position sensor (17) determines the specific position of a moving crank, and an electric control valve is switched on and off within a certain range of a running track to realize the migration of iron sand;
4. and (5) after adjustment, balance checking and strategy correction:
after the balance is automatically adjusted, acquiring and calculating the adjusted balance rate every 4 hours, continuously measuring 6 points, acquiring and adjusting circuit parameters, calculating whether the balance rate is between 90% and 110% of the optimized balance rate, if so, stopping sending an adjusting instruction, entering a periodic operation mode, and acquiring and judging the change of the balance rate interval every week;
if the volume calculation is not met, judging whether an adjusting space exists or not according to the volume calculation, if the adjusting space exists, performing next adjustment, if the adjusting space does not exist, sending an adjusting demand instruction to an acquisition guiding module, performing data feedback, and additionally installing or reducing a sand storage box to perform next adjustment.
The beneficial effects of the invention are as follows: according to the invention, the moment is changed by changing the position of the balancing weight, a plurality of groups of sand storage boxes are arranged on the crank, the two sand storage boxes in each group are mutually independent, the volumes of the two sand storage boxes in each group are the same, the volumes of the sand storage boxes in each group are different, and balance adjustment multi-step is realized; the iron sand amount added by each group is the volume amount of a single sand box through the connection of a communicating pipe provided with an electric control valve, and the iron sand is fully stored in the single sand box through automatic adjustment, so that one full box and one empty box are always kept, and impact vibration caused by movement of the iron sand in a container in the crank rotation process is avoided; the invention has novel design and reliable operation, and can be used for adjusting the balance degree of the pumping unit under the condition of few accessory structures, thereby realizing balance self-adjustment simply, reliably and safely and achieving the purpose of reducing energy consumption;
in addition, the invention can realize the automation and real-time of the balance operation of the beam pumping unit of the oil well, greatly lighten the labor intensity of workers and improve the working efficiency; theoretical analysis and field experiments prove that the invention can improve the balance degree, reduce peak torque and current, reduce reactive power loss and improve the power factor, and realize the minimum requirement of energy consumption.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the electronically controlled valve when closed;
FIG. 3 is a schematic diagram of the structure of the electronically controlled valve when open;
FIG. 4 is a schematic block diagram of a control module of the present invention;
FIG. 5 is an overall schematic of the invention as applied to a pumping unit;
FIG. 6 is a schematic structural view of embodiment 2;
FIG. 7 is a schematic diagram of a CPU control module;
FIG. 8 is a circuit diagram of a three-axis position sensor;
FIG. 9 is a circuit diagram of a solar energy storage module;
in the upper graph: the device comprises a rope hanger (1), a horsehead (2), a walking beam (3), a cross beam (4), a cross beam shaft (5), a connecting rod (6), a bracket shaft (7), a bracket (8), an automatic balancing device (9), a crank (10), a crank pin bearing (11), a reduction gearbox (12), a reduction gearbox belt pulley (13), a motor (14), a brake device (15), a circuit control device (16), a position sensor (17), a solar energy storage module (18), a control module (19) and a collection guidance module (20);
valve body (a 5.1), middle baffle (a 5.2), case (a 5.3), valve rod (a 5.4), control valve (a 5.5), buffer baffle (a 5.6).
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1, the invention relates to an automatic balance adjusting device of a non-driving beam pumping unit, which adopts the following technical scheme: the solar energy power storage device comprises a fixed base (a 1), a sand storage box (a 2), iron sand (a 3), a communication pipe (a 4), an electric control valve (a 5), a position sensor (17), a solar energy power storage module (18) and a control module (19), wherein two fixed bases (a 1) are respectively arranged on two sides of a crank (10) by using balance block fixing screws, and a certain distance is kept; the sand storage boxes (a 2) are symmetrically arranged on the same side of the crank (10) in sequence through fixing screws, two sand storage boxes (a 2) connected by a communication pipe (a 4) and an intermediate electric control valve (a 5) form a group, and a plurality of groups are arranged on each side of the crank (10); the solar energy power storage module (18) arranged on the surface of the Chu Shaxiang (a 2) supplies power to the control module (19) and the electric control valve (a 5), the control module (19) determines the circular motion position of the crank (10) through balance data provided by a motor of the pumping unit and a position sensor (17) arranged at the tail end of the crank (10), the opening and closing time of the electric control valve (a 5) is controlled in a 15-degree interval before and after the vertical point of the crank (10), the gravity drives the iron sand (a 3) to flow, and the storage position of the iron sand of each group of sand storage boxes (a 2) is changed, so that balance automatic adjustment is realized.
Referring to fig. 2 and 3, the electric control valve (a 5) of the present invention comprises a valve body (a 5.1), an intermediate baffle (a 5.2), a valve core (a 5.3), a valve rod (a 5.4), a control valve (a 5.5) and a buffer baffle (a 5.6), wherein one side of the valve body (a 5.1) is provided with an inlet, the other side is provided with an outlet, the valve core (a 5.3) is arranged in the middle of the valve body (a 5.1), the valve rod (a 5.4) and the control valve (a 5.5) are arranged in the middle of the valve core (a 5.3), the intermediate baffle (a 5.2) is arranged at the valve rod (a 5.4), and the buffer baffles (a 5.6) are respectively arranged at two sides of the valve core (a 5.3).
The buffer baffle (a 5.6) is obliquely fixed on the base of the valve core (a 5.3).
Referring to fig. 4, a control module (19) of the invention communicates through a wireless module, current data of a motor is collected through a collection module, the fluctuation rate and the balance degree of circuit power are calculated, and the processed data are sent to a CPU control module through the wireless module; the CPU control module sends a switch instruction to the electric control valve (a 5) according to the position sensing of the position sensor (17), and the weight of the sand storage box (a 2) is regulated in real time through gravity driving; when the calculated power fluctuation and balance degree are kept stable, the CPU control module sends an instruction to close the electric control valve, and the balance process is completed.
Preferably, the crank (10) performs circular motion by taking the output end of the reduction gearbox as an endpoint, and when an adjustment instruction is received and the balance center of gravity is required to be adjusted towards the axis, one or more groups of inner sand storage boxes (a 2) are calculated and transferred to the outer sand storage boxes (a 2); at the moment, the running position of each rotary cycle crank (10) is mastered by a position sensor (17), an electric control valve (a 5) is controlled to start and stop at 15 degrees before and after the 6-point position, and iron sand in the inner sand storage box enters the other side sand storage box (a 2) through a communication pipe (a 4) by gravity driving.
Preferably, in a normal state which does not require balance adjustment, the valve core (a 5.3) is in a closed state, and the middle baffle (a 5.2) is positioned in the middle of the two valve rods;
when receiving the adjusting instruction, the valve core (a 5.3) controls the middle baffle (a 5.2) to incline to the left side and props against the left buffer baffle (a 5.6) to support, and iron sand flows to the right side; when receiving the closing instruction, the valve core (a 5.3) controls the valve rod (a 5.4) to reset, and drives the middle baffle (a 5.2) to move towards the middle, so that a sand passage of the communication pipe is blocked.
Preferably, a plurality of groups of mutually independent sand storage boxes are arranged on the upper part and the lower part of the crank (10), the volumes of the two sand storage boxes in each group are the same, the volumes of the sand storage boxes among the groups are different, and balance adjustment multi-step is realized; the automatic sand storage device has the advantages that the iron sand is fully stored in the single-side sand storage box through automatic adjustment, one full box and one empty box are always kept, and impact vibration caused by movement of the iron sand in a container in the crank rotation process is avoided.
In addition, referring to fig. 5, the automatic balance adjusting device of the non-driving beam pumping unit is applied to the beam pumping unit and comprises a rope hanger (1), a horsehead (2), a beam (3), a beam (4), a beam shaft (5), a connecting rod (6), a bracket shaft (7), a bracket (8), an automatic balance adjusting device (9), a crank (10), a crank pin bearing (11), a reduction gearbox (12), a reduction gearbox belt pulley (13), a motor (14), a brake device (15), a circuit control device (16), a position sensor (17), a solar energy storage module (18), a control module (19) and a collection guide module (20), wherein the automatic balance adjusting device (9) is arranged on the beam pumping unit and is connected with the crank.
The invention relates to a use method of an automatic balance adjusting device of a non-driving beam pumping unit, which adopts the technical scheme that the method comprises the following steps:
1. circuit data acquisition and current balance degree calculation:
the acquisition of the circuit parameters of the pumping well is realized through an acquisition guidance module (20) arranged on a circuit control device (16) of the pumping unit, and three parameters of voltage, current and power are mainly acquired;
selecting a balance degree algorithm according to requirements:
the balance rate calculation formula of the current method comprises the following steps: b=i (lower maximum)/I (upper maximum) ×100%
The power method balance rate calculation formula: b=p (lower maximum)/P (upper maximum) ×100%
The CPU control system is communicated to the crank position of the pumping unit through the wireless module;
2. balance adjustment amount calculation and sand box adjustment strategy analysis:
firstly, according to the data acquisition and calculation, moving iron sand of each sand storage box one by one, and making a section adjustment sand box distribution scheme;
3. automatic sand box adjustment control is realized:
the control is realized through control module control, the control module is arranged at a clearance part on a crank, and voltage is provided for a CPU control system by a solar energy storage module (18), wherein the CPU control system has three functions: firstly, receiving information such as a wireless adjusting instruction, a crank position and the like; secondly, sending a switch control instruction of the electric control valve; thirdly, calculating and storing the volume in the box body of each sand storage box; firstly, a CPU control system obtains adjustment information given by an acquisition guidance module through a wireless receiving module, a position sensor (17) determines the specific position of a moving crank, and an electric control valve is switched on and off within a certain range of a running track to realize the migration of iron sand;
4. and (5) after adjustment, balance checking and strategy correction:
after the balance is automatically adjusted, acquiring and calculating the adjusted balance rate every 4 hours, continuously measuring 6 points, acquiring and adjusting circuit parameters, calculating whether the balance rate is between 90% and 110% of the optimized balance rate, if so, stopping sending an adjusting instruction, entering a periodic operation mode, and acquiring and judging the change of the balance rate interval every week;
if the volume calculation is not met, judging whether an adjusting space exists or not according to the volume calculation, if the adjusting space exists, performing next adjustment, if the adjusting space does not exist, sending an adjusting demand instruction to an acquisition guiding module, performing data feedback, and additionally installing or reducing a sand storage box to perform next adjustment.
The balance adjustment amount calculation and sand box adjustment strategy analysis in the second step:
the adjustment scheme is proposed to be given according to the fluctuation of the balance rate B value through automatic learning as follows, and the following table is provided:
example 2 the invention is exemplified by the specific use of six sets of sand magazines: referring to FIG. 6
When the balance ratio is within the unbalanced range of the underbalance, the F strategy in the adjustment scheme table of example 1 is initially selected and the iron shot is moved from the sixth flask to the third flask. The default is to move the iron sand of the sand storage box with the large volume preferentially, and then move the iron sand of the sand storage box with the small volume. And storing and judging the current position of the iron sand through a control and adjustment module, and starting a moving instruction for the sand storage box which is not at the required position.
It is assumed that the positions of all three sand storage boxes need to be adjusted. The default first adjustment sixth sand storage box to third sand storage box, grasp the position of crank in the complete cycle of rotation through induction system this moment, according to the actual selection dress direction of beam-pumping unit crank, when assuming that the crank anticlockwise rotated, the crank just gets into 2 point positions, namely when 60 with the vertical direction, cpu control module gives instruction open automatically controlled valve (3), when rotating to 10 point positions, give automatically controlled valve (3) close instruction, always utilize gravity drive through the process that the crank was circular motion, move the iron sand in the sixth sand storage box of outside completely get into the third sand storage box of opposite side. The iron sand is completely moved between the box bodies, namely, the iron sand in the 'transfer box' is completely driven into the 'target box'.
The judging method comprises the following steps: in the design, automatic judgment is realized through circuit power fluctuation rate, when the transfer box moves iron sand to the target box, the iron sand in the sand storage box body can overturn and shake in the crank rotating process when not finishing, the periodic variation of gravity leads to balanced fluctuation, the fine fluctuation characteristic is reflected on the power, after the real-time monitoring of fluctuation and regulation and control processes, after the automatic regulation of a plurality of periods, 5 strokes are pushed out when the power curve law is stable, and the complete accurate judgment of single-group sand storage box transfer is realized. After the transfer of the iron sand of a group of sand storage boxes is completed, 10 strokes are normally operated, circuit parameters after the change are collected, errors of actual and budget values are calculated, and the next sand storage box distribution scheme is corrected or continuously executed.
The above description is only a few preferred embodiments of the present invention, and any person skilled in the art may make modifications to the above described embodiments or make modifications to the same. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (8)
1. An automatic balance adjusting device of a non-driving beam pumping unit is characterized in that: the solar energy power storage device comprises a fixed base (a 1), a sand storage box (a 2), iron sand (a 3), a communication pipe (a 4), an electric control valve (a 5), a position sensor (17), a solar energy power storage module (18) and a control module (19), wherein two fixed bases (a 1) are respectively arranged on two sides of a crank (10) by using balance block fixing screws, and a certain distance is kept; the sand storage boxes (a 2) are symmetrically arranged on the same side of the crank (10) in sequence through fixing screws, two sand storage boxes (a 2) connected by a communication pipe (a 4) and an intermediate electric control valve (a 5) form a group, and a plurality of groups are arranged on each side of the crank (10); the solar energy power storage module (18) arranged on the surface of the Chu Shaxiang (a 2) supplies power to the control module (19) and the electric control valve (a 5), the control module (19) determines the circular motion position of the crank (10) through balance data provided by a motor of the pumping unit and a position sensor (17) arranged at the tail end of the crank (10), the opening and closing time of the electric control valve (a 5) is controlled in a 15-degree interval before and after the vertical point of the crank (10), the gravity drives the iron sand (a 3) to flow, and the storage position of the iron sand of each group of sand storage boxes (a 2) is changed, so that balance automatic adjustment is realized.
2. The automatic balance adjusting device of the non-driving beam pumping unit according to claim 1, wherein the automatic balance adjusting device is characterized in that: the electric control valve (a 5) comprises a valve body (a 5.1), an intermediate baffle (a 5.2), a valve core (a 5.3), a valve rod (a 5.4), a control valve (a 5.5) and a buffer baffle (a 5.6), wherein one side of the valve body (a 5.1) is provided with an inlet, the other side of the valve body is provided with an outlet, the valve core (a 5.3) is arranged in the middle of the valve body (a 5.1), the valve rod (a 5.4) and the control valve (a 5.5) are arranged in the middle of the valve core (a 5.3), the intermediate baffle (a 5.2) is arranged at the valve rod (a 5.4), and the buffer baffles (a 5.6) are respectively arranged at two sides of the valve core (a 5.3).
3. The automatic balance adjusting device for a non-driven beam pumping unit according to claim 2, wherein: the buffer baffle (a 5.6) is obliquely fixed on the base of the valve core (a 5.3).
4. The automatic balance adjusting device of the non-driving beam pumping unit according to claim 1, wherein the automatic balance adjusting device is characterized in that: the control module (19) communicates through the wireless module, current data of the motor are collected through the collection module, the fluctuation rate and the balance degree of circuit power are calculated, and the processed data are sent to the CPU control module through the wireless module; the CPU control module sends a switch instruction to the electric control valve (a 5) according to the position sensing of the position sensor (17), and the weight of the sand storage box (a 2) is regulated in real time through gravity driving; when the calculated power fluctuation and balance degree are kept stable, the CPU control module sends an instruction to close the electric control valve, and the balance process is completed.
5. The automatic balance adjusting device of the non-driving beam pumping unit according to claim 1, wherein the automatic balance adjusting device is characterized in that: the crank (10) takes the output end of the reduction gearbox as an endpoint to do circular motion, and when an adjusting instruction is received and the balance center of gravity is required to be adjusted towards the axis, one or more groups of inner sand storage boxes (a 2) are calculated and transferred to the outer sand storage boxes (a 2); at the moment, the running position of each rotary cycle crank (10) is mastered by a position sensor (17), an electric control valve (a 5) is controlled to start and stop at 15 degrees before and after the 6-point position, and iron sand in the inner sand storage box enters the other side sand storage box (a 2) through a communication pipe (a 4) by gravity driving.
6. The automatic balance adjusting device for a non-driven beam pumping unit according to claim 3, wherein: when the balance is not required to be regulated in a normal state, the valve core (a 5.3) is in a closed state, and the middle baffle (a 5.2) is positioned in the middle of the two valve rods;
when receiving the adjusting instruction, the valve core (a 5.3) controls the middle baffle (a 5.2) to incline to the left side and props against the left buffer baffle (a 5.6) to support, and iron sand flows to the right side; when receiving the closing instruction, the valve core (a 5.3) controls the valve rod (a 5.4) to reset, and drives the middle baffle (a 5.2) to move towards the middle, so that a sand passage of the communication pipe is blocked.
7. The automatic balance adjusting device of the non-driving beam pumping unit according to claim 1, wherein the automatic balance adjusting device is characterized in that: a plurality of groups of mutually independent sand storage boxes are arranged on the upper part and the lower part of the crank (10), the volumes of the two sand storage boxes in each group are the same, the volumes of the sand storage boxes among the groups are different, and balance adjustment multi-step is realized; the automatic sand storage device has the advantages that the iron sand is fully stored in the single-side sand storage box through automatic adjustment, one full box and one empty box are always kept, and impact vibration caused by movement of the iron sand in a container in the crank rotation process is avoided.
8. A method of using the automatic balance adjustment device for a non-driven beam-pumping unit according to any one of claims 1 to 7, comprising the steps of:
1. circuit data acquisition and current balance degree calculation:
the acquisition of the circuit parameters of the pumping well is realized through an acquisition guidance module (20) arranged on a circuit control device (16) of the pumping unit, and three parameters of voltage, current and power are mainly acquired;
selecting a balance degree algorithm according to requirements:
the balance rate calculation formula of the current method comprises the following steps: b=i (lower maximum)/I (upper maximum) ×100%
The power method balance rate calculation formula: b=p (lower maximum)/P (upper maximum) ×100%
The CPU control system is communicated to the crank position of the pumping unit through the wireless module;
2. balance adjustment amount calculation and sand box adjustment strategy analysis:
firstly, according to the data acquisition and calculation, moving iron sand of each sand storage box one by one, and making a section adjustment sand box distribution scheme;
3. automatic sand box adjustment control is realized:
the control is realized through control module control, the control module is arranged at a clearance part on a crank, and voltage is provided for a CPU control system by a solar energy storage module (18), wherein the CPU control system has three functions: firstly, receiving information such as a wireless adjusting instruction, a crank position and the like; secondly, sending a switch control instruction of the electric control valve; thirdly, calculating and storing the volume in the box body of each sand storage box; firstly, a CPU control system obtains adjustment information given by an acquisition guidance module through a wireless receiving module, a position sensor (17) determines the specific position of a moving crank, and an electric control valve is switched on and off within a certain range of a running track to realize the migration of iron sand;
4. and (5) after adjustment, balance checking and strategy correction:
after the balance is automatically adjusted, acquiring and calculating the adjusted balance rate every 4 hours, continuously measuring 6 points, acquiring and adjusting circuit parameters, calculating whether the balance rate is between 90% and 110% of the optimized balance rate, if so, stopping sending an adjusting instruction, entering a periodic operation mode, and acquiring and judging the change of the balance rate interval every week;
if the volume calculation is not met, judging whether an adjusting space exists or not according to the volume calculation, if the adjusting space exists, performing next adjustment, if the adjusting space does not exist, sending an adjusting demand instruction to an acquisition guiding module, performing data feedback, and additionally installing or reducing a sand storage box to perform next adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255728.3A CN109339744B (en) | 2018-10-26 | 2018-10-26 | Automatic balance adjusting device and method for non-driving beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255728.3A CN109339744B (en) | 2018-10-26 | 2018-10-26 | Automatic balance adjusting device and method for non-driving beam pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109339744A CN109339744A (en) | 2019-02-15 |
| CN109339744B true CN109339744B (en) | 2023-08-15 |
Family
ID=65312372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255728.3A Active CN109339744B (en) | 2018-10-26 | 2018-10-26 | Automatic balance adjusting device and method for non-driving beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109339744B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878043B (en) * | 2020-09-02 | 2022-05-03 | 中国石油化工股份有限公司 | Rotary and flow type balance block of beam-pumping unit and adjusting method |
| CN114941518B (en) * | 2022-04-07 | 2025-02-14 | 西安中控天地科技开发有限公司 | A method and system for regulating and controlling oil extraction of a beam pumping unit without stopping the unit |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2322407A1 (en) * | 1999-10-13 | 2001-04-13 | China National Petroleum Corporation | Curved-beam pumping unit |
| WO2001055552A1 (en) * | 2000-01-06 | 2001-08-02 | Pucheng Wang | An oil pumping unit with a counterweight whose centroid can be adjusted |
| WO2004001185A1 (en) * | 2002-06-20 | 2003-12-31 | Zhiping Zhang | A pumping unit with a curved and folded walking beam |
| CN202531125U (en) * | 2012-03-22 | 2012-11-14 | 中国石油天然气股份有限公司 | Automatic adjustment and balance device of beam pumping unit |
| CN203515507U (en) * | 2013-10-31 | 2014-04-02 | 张磊 | Novel adjustable balancing type walking-beam oil pumping unit |
| 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 |
| CN104500001A (en) * | 2014-12-23 | 2015-04-08 | 靳宝才 | Hydraulic pumping unit |
| CN106837256A (en) * | 2017-04-26 | 2017-06-13 | 哈尔滨理工大学 | The dynamic auto Balame regulating device of oil pumper |
| CN108166950A (en) * | 2018-02-02 | 2018-06-15 | 北京九尊能源技术股份有限公司 | A kind of beam pumping unit and the energy-saving control method for the pumping unit |
| US10030652B1 (en) * | 2017-04-26 | 2018-07-24 | Centurion Artificial Lift | Pump jack with downhole pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8950473B2 (en) * | 2010-05-08 | 2015-02-10 | Alan D. Smith | Cross-jack counterbalance system |
| US10428629B2 (en) * | 2014-12-30 | 2019-10-01 | Yueli Electric (Jiangsu) Co., Ltd. | Methods and systems for directly driving a beam pumping unit by a rotating motor |
-
2018
- 2018-10-26 CN CN201811255728.3A patent/CN109339744B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2322407A1 (en) * | 1999-10-13 | 2001-04-13 | China National Petroleum Corporation | Curved-beam pumping unit |
| WO2001055552A1 (en) * | 2000-01-06 | 2001-08-02 | Pucheng Wang | An oil pumping unit with a counterweight whose centroid can be adjusted |
| WO2004001185A1 (en) * | 2002-06-20 | 2003-12-31 | Zhiping Zhang | A pumping unit with a curved and folded walking beam |
| CN202531125U (en) * | 2012-03-22 | 2012-11-14 | 中国石油天然气股份有限公司 | Automatic adjustment and balance device of beam pumping unit |
| 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 |
| CN203515507U (en) * | 2013-10-31 | 2014-04-02 | 张磊 | Novel adjustable balancing type walking-beam oil pumping unit |
| CN104500001A (en) * | 2014-12-23 | 2015-04-08 | 靳宝才 | Hydraulic pumping unit |
| CN106837256A (en) * | 2017-04-26 | 2017-06-13 | 哈尔滨理工大学 | The dynamic auto Balame regulating device of oil pumper |
| US10030652B1 (en) * | 2017-04-26 | 2018-07-24 | Centurion Artificial Lift | Pump jack with downhole pump |
| CN108166950A (en) * | 2018-02-02 | 2018-06-15 | 北京九尊能源技术股份有限公司 | A kind of beam pumping unit and the energy-saving control method for the pumping unit |
Non-Patent Citations (1)
| Title |
|---|
| 蒋薇 ; 陈奎生 ; 周思柱 ; .抽油机曲柄自动调平衡系统的设计与实验研究.钻采工艺.2018,第41卷(第02期),第78-81页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109339744A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100572257C (en) | A kind of method for max rotation speed restriction of turning engineering machinery and system thereof | |
| US10260497B2 (en) | Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit | |
| US6749017B1 (en) | Full automatic machine for oil extraction | |
| CN101638980B (en) | Full-balance hydraulic transmission oil sucking machine | |
| WO2014059749A1 (en) | Pumping unit capable of automatically adjusting balance | |
| US10408200B2 (en) | Flexible beam vertical pumping unit | |
| WO2016107593A1 (en) | Digitized automatically controlled oil-pumping method and balance-shifting digitized pumpjack | |
| US9011108B2 (en) | Intelligent online closed-loop balance adjusting system for pumping unit | |
| CN109339744B (en) | Automatic balance adjusting device and method for non-driving beam pumping unit | |
| CN116607921B (en) | Direct-drive tower type oil pumping machine | |
| CN103939058B (en) | The beam pumping unit intelligent balance device of wind-solar-storage joint | |
| CN204402440U (en) | Shifting balance digitlization oil pumper | |
| CN113879995A (en) | Main winch variable load lowering control method and rotary drilling rig | |
| CN102182427A (en) | Numerically-controlled distance-measuring brake drum oil pumping unit | |
| CN205709610U (en) | A kind of cantilever crane | |
| CN101100936B (en) | Beam type hydraulic energy-saving pumping unit | |
| CN101387192B (en) | Swinging dynamic balancing synergistic energy-saving oil pumping machine | |
| CN212292567U (en) | Balanced cantilever crane of small-size intelligence is put | |
| CN209195365U (en) | It is a kind of to automatically adjust balancing device without driving beam pumping unit | |
| CN112112605B (en) | Energy-saving intelligent beam pumping unit | |
| CN111943052A (en) | A small intelligent balanced cantilever hoisting device | |
| CN207499846U (en) | Hydraulic pumping unit | |
| CN206554884U (en) | Pumping unit balance device | |
| CN202000972U (en) | Beam Pumping Unit Adjusting Balance Without Shutting Down | |
| CN204571944U (en) | Vertical shaft pumping unit system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |