WO2009009983A1 - Unité de pompe à balancier à huile de type à équilibrage - Google Patents

Unité de pompe à balancier à huile de type à équilibrage Download PDF

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Publication number
WO2009009983A1
WO2009009983A1 PCT/CN2008/071418 CN2008071418W WO2009009983A1 WO 2009009983 A1 WO2009009983 A1 WO 2009009983A1 CN 2008071418 W CN2008071418 W CN 2008071418W WO 2009009983 A1 WO2009009983 A1 WO 2009009983A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
pulley
wheel
frame
pumping unit
Prior art date
Application number
PCT/CN2008/071418
Other languages
English (en)
Chinese (zh)
Inventor
Chengqun Jin
Original Assignee
Chengqun Jin
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengqun Jin filed Critical Chengqun Jin
Publication of WO2009009983A1 publication Critical patent/WO2009009983A1/fr

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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
    • 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

Definitions

  • the invention relates to an oil recovery device, in particular to a balance beam pumping unit.
  • the commonly used beam pumping unit such as the CYJ pumping unit in the oil field relies on a four-bar linkage mechanism, which has low commutation efficiency, large commutation impact and difficult stroke adjustment, and the beam pumping unit adopts a crank.
  • the centrifugal force balance method has a low balance accuracy and is difficult to adjust the balance.
  • the technical problem to be solved by the present invention is to provide a four-link reversing mechanism for replacing the general beam pumping unit in the manner of positive and negative commutation of the electric motor under the control of the electric control device, and in the beam
  • the symmetrical balance method replaces the balance-type beam pumping unit with the crank-rotation centrifugal force balance method.
  • the pumping unit has high balance precision, high commutation efficiency, small commutation impact, and is particularly easy to adjust stroke and stroke.
  • the present invention provides a balance beam pumping unit, comprising a beam, a support frame, a lanyard mechanism, a power unit, a drive line, a drive wheel, a counterweight, and a sucker rod, wherein:
  • the beam is mounted on the support frame through the support shaft, the support frame is mounted on the frame, the drive wheel is arranged on the drive frame on the frame, and the sucker rod and the counterweight are respectively located on both sides of the swing center of the beam, pumping oil
  • the rod is connected to the beam by a lanyard mechanism, the weight is connected to the beam, the power device is connected with the driving wheel, one end of the driving rope or a lanyard mechanism connecting the side of the swing center of the beam, or directly fixed on the beam,
  • the other end of the drive rope or the drive wheel is connected to the lanyard mechanism on the other side of the swing center of the beam or directly to the drive wheel.
  • the counterweight is suspended on the beam by a lanyard or directly attached to the beam.
  • the power unit includes an electric motor, a first pulley, a second pulley, a belt and a gearbox, the first pulley is mounted on the output shaft of the electric motor, and the second pulley is mounted on the input shaft of the transmission, the belt connection is A pulley and a second pulley.
  • the power unit includes an electric motor, a first pulley, a second pulley, and a belt, the first pulley being mounted on the output shaft of the electric motor, and the second pulley being mounted on the shaft of the driving wheel Upper, the belt connects the first pulley and the second pulley, and the motor is a low-speed, high-torque permanent magnet synchronous motor.
  • the lanyard mechanism includes a hoe, a sling rope, and a slinger mounted on the beam, the hoe is coupled to the sling rope, and the sling is attached to the sling rope.
  • the preferred balance beam pumping unit further comprises an angle increasing wheel for adjusting the angle of the driving rope around the driving wheel and a guiding wheel for adjusting the direction of movement of the driving rope.
  • the angle increasing wheel is mounted on the frame, and the guiding wheel is mounted on the machine.
  • the driving rope bypasses the angle increasing wheel and the guiding wheel, and the two ends of the driving rope are respectively connected to the lanyard mechanisms on both sides of the swing center of the beam, and in the preferred solution, the method further comprises A tensioning wheel that drives the tension of the rope, and the tensioning wheel is pressed against the drive rope.
  • an electronic control device, a positioning device and an encoder are further provided, so that the power device rotates regularly in the forward and reverse directions, and at the same time adjusts the commutation interval, the positioning device is mounted on the frame, and the encoder Installed on the output shaft of the motor, the electronic control unit is connected to the power unit, the positioning device and the encoder.
  • a hoist is mounted on the side of the frame opposite to the drive wheel, and a pulley is mounted on the lower end of the hoe. The wire rope of the hoist is hanged over the pulley and hung on the lanyard hook of the frame to lift the weight or hang the sucker rod.
  • the balance type beam pumping unit provided by the invention can greatly save electric energy, saves 40% - 70% of electricity compared with the general beam pumping unit, and replaces the crank slewing centrifugal force balance mode on the beam symmetrical balance mode, balance precision Up to 96% or more, so that the mechanical impact of the drive device during forward and reverse switching is small.
  • the pumping unit with the positioning device also enables precise and easy adjustment of the stroke.
  • the use of the pumping unit having the toothless transmission power unit of the present invention further reduces the energy consumption, and can greatly reduce the operating noise and has no oil leakage.
  • FIG. 1 is a schematic structural view of a first embodiment of a balance beam pumping unit of the present invention
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is a schematic structural view of a second embodiment of the balance beam pumping unit of the present invention.
  • Figure 4 is a plan view of Figure 3;
  • Figure 5 is a schematic structural view of a third embodiment of the balance beam pumping unit of the present invention.
  • Figure 6 is a plan view of Figure 5;
  • Figure 7 is a schematic structural view of a fourth embodiment of the balance beam pumping unit of the present invention
  • Figure 8 is a plan view of Figure 7.
  • an embodiment of the present invention includes an electronic control device 1, a frame 2, a counterweight 3, a drive wheel frame 4, a drive wheel 5, a gearbox 6, a displacement positioner 7, and a counterweight tow rope.
  • the transmission mechanism is composed of the first pulley 15, the second pulley 12, the belt 13, and the gearbox 6, and the transmission mechanism and the electric motor 20 or other power machine constitute a power unit.
  • a first pulley 15 is mounted on the output shaft of the motor 20, and the torque is transmitted to the second pulley 12 through the belt 13, and the second pulley 12 is connected to the transmission 6.
  • the gearbox 6 is a gearbox having a plurality of sets of meshing arms.
  • the output shaft of the gearbox 6 is connected to the drive wheel 5.
  • the beam 16 is mounted on the support frame 18 via a support shaft 17, and the support frame 18 is mounted on the frame 2 of the pumping unit.
  • the sucker rod 29 and the counterweight 3 are respectively located on both sides of the center of rotation of the beam 9, the sucker rod 29 is connected to the beam 16 by the suspension rope 28, the sucker rod boring rope 26, the sucker rod hoe 22, and the counterweight 3 is connected to the beam 16 by the counterweight raking rope 8, the counterweight hoe 10
  • the weight of the counterweight 3 substantially balances the weight of the sucker rod 29 - the side load.
  • the motor 20 drives the drive rope 14 through the transmission mechanism so that only a small amount of electrical energy is required to rotate the beam 16 about the support shaft 17.
  • the two drive rams 11 and 21, the drive wheel 5 and the guide wheel 25 are distributed symmetrically with respect to a plane passing through the axis of the support shaft 17 and perpendicular to the frame 2.
  • the electronic control device adopts the form of electronic control rejection.
  • an inverter, a programmable controller (PLC), a brake unit, and a display unit are provided in the electronic control rejection 1.
  • the output end of the frequency converter is connected to the motor 20, and under the control of the PLC, the motor 20 is regularly rotated forward and reversed to realize the rotation of the beam 16 about the support shaft 17 and the upward and downward reciprocation of the sucker rod 29.
  • the positioning device adopts a displacement position measuring device 7, and the displacement position measuring device 7 is mounted on the frame and connected with the electric control rejection 1 for correcting the single running distance.
  • the encoder 32 is mounted on the output shaft of the motor 20 and connected to the electronically controlled reject 1 to feed back the pumping unit operation to the frequency converter and the programmable controller, so that the pumping unit realizes closed loop control.
  • the drive rope 14 is wound around the drive wheel 5, the angle increaser 9, the tensioner 23 and the guide wheel 25, respectively, to the drive rams 11, 21 mounted on both sides of the center of rotation of the beam.
  • the driving wheel 5, the angle increasing wheel 9, the tensioning wheel 23 and the guide wheel 25 are mounted on the frame 2 of the pumping unit, the angle increasing wheel 9 abuts against the driving rope 14, and the tensioning wheel 23 is pressed against the driving rope 14. Together, the drive rope 14 is tensioned so that the transmission mechanism is efficiently driven.
  • the embodiment of the present invention includes an electronic control device 1, a frame 2, a counterweight 3, a drive wheel frame 4, a drive wheel 5, a displacement positioner 7, an angle increase wheel 9, and a second drive head.
  • the difference is that the power mechanism is driven by a belt, and the first driving boring head 21 and the sucker rod boring head 22, the second driving boring head 11, and the weight ⁇ in the embodiment 1 are The heads 10 are each combined into one, and the counterweight 3 is directly fixed to the second drive ram 11. Further, in the power mechanism of the present embodiment, there is no gear transmission, but only a belt transmission, so that the motor 20 requires a large torque, low speed 7 j synchronous motor.
  • the first pulley 15, the second pulley 12, and the belt 13 constitute a transmission mechanism, and the transmission mechanism and the motor 20 or other power unit constitute a power unit.
  • a first pulley 15 is mounted on the output shaft of the motor 20, and torque is transmitted to the second pulley 12 via the belt 13, and the second pulley 12 is mounted on the shaft of the drive wheel 5.
  • the beam 16 is mounted on the support frame 18 via a support shaft 17, and the support frame 18 is mounted on the frame 2 of the pumping unit.
  • the sucker rod 29 and the counterweight 3 are respectively located on both sides of the center of rotation of the beam 16, the sucker rod 29 is connected to the beam 16 by the suspension rope 28, the sucker rod boring rope 26, the first driving boring head 21, and the counterweight 3 is connected to the beam 16 through the second driving boring head 11, the weight of the counterweight 3 is basically The weight of the load on one side of the sucker rod 29 is balanced.
  • the motor 20 drives the drive rope 14 through the transmission mechanism, so it only needs to be very Small electrical energy can cause the beam 16 to rotate about the support shaft 17.
  • the two drive rams 11 and 21, the drive wheel 5 and the guide wheel 25 are distributed symmetrically with respect to a plane passing through the axis of the support shaft 17 and perpendicular to the frame 2.
  • the electric control device adopts the form of electronic control rejection.
  • the electric control device is equipped with an inverter, a programmable controller (PLC), a brake unit, a display unit and the like.
  • the output end of the frequency converter is connected to the motor 20, and under the control of the PLC, the motor 20 is regularly rotated forward and reversed to realize the rotation of the beam 16 around the support shaft 17 and the up and down reciprocation of the sucker rod 29.
  • the positioning device adopts a displacement position measuring device.
  • the displacement position measuring device is mounted on the frame and connected with the electronic control rejection 1 to correct the single running distance.
  • the encoder 32 is mounted on the output shaft of the motor 20 and connected to the electronically controlled reject 1, which feeds back the operation of the pumping unit to the frequency converter and the programmable controller, so that the pumping unit realizes closed-loop control.
  • the drive rope 14 is wound around the drive wheel 5, the angle increase pulley 9, the tension pulley 23 and the guide wheel 25, respectively, to the drive rams 11, 21 mounted on both sides of the center of rotation of the beam.
  • the driving wheel 5, the angle increasing wheel 9, the tensioning wheel 23 and the guide wheel 25 are mounted on the frame 2 of the pumping unit, the angle increasing wheel 9 abuts against the driving rope 14, and the tensioning wheel 23 is pressed against the driving rope 14. Together, the drive rope 14 is tensioned so that the transmission mechanism is efficiently driven.
  • the wire rope discharged from the hoist 30 passes through the pulley 24 and is hung to the frame.
  • the energy saving efficiency of the embodiment is high, about 40% ⁇ 70% energy saving, and there is no oil leakage at the same time, and the running noise is also low, about 50 db or less, so it is very beneficial to protect the environment.
  • Example 3
  • the embodiment of the present invention includes an electric control device 1, a frame 2, a counterweight 3, a drive wheel frame 4, a drive wheel 5, a displacement positioner 7, a second pulley 12, a belt 13, and a drive rope. 14.
  • Embodiment 1 The difference from the embodiment shown in Embodiment 1 is that the power mechanism is driven by a belt, and the first driving boring head 21 and the sucker rod boring head 22 in Embodiment 1 are combined into one, and the weight 3 is directly fixed on the beam.
  • one end of the driving rope 14 is connected to the beam 16 and the other end is fixedly connected with the wheel circumference of the driving wheel 5.
  • the pumping unit of this embodiment does not have the angle increasing wheel, the tensioning wheel and the guiding wheel, and therefore, the structure Simpler, install Convenience.
  • the first pulley 15, the second pulley 12, and the belt 13 constitute a transmission mechanism, and the transmission mechanism and the motor 20 or other power unit constitute a power unit.
  • a first pulley 15 is mounted on the output shaft of the motor 20, and torque is transmitted to the second pulley 12 via the belt 13, and the second pulley 12 is mounted on the shaft of the drive wheel 5.
  • the beam 16 is mounted on the support frame 18 via a support shaft 17, and the support frame 18 is mounted on the frame 2 of the pumping unit.
  • the sucker rod 29 and the counterweight 3 are respectively located on both sides of the center of rotation of the beam 16, the sucker rod 29 is connected to the beam 16 by the suspension rope 28, the sucker rod raking rope 26, the sucker rod hoe 22, and the counterweight 3 is directly fixed on the beam 16.
  • the weight of the counterweight 3 substantially balances the sucker rod 29—The weight of the side load.
  • One end of the drive rope 14 is connected to the beam 16 and the other end is fixedly connected to the circumference of the drive wheel 5.
  • the motor 20 drives the drive rope 14 through the transmission mechanism, so that only a small amount of electric power is required to rotate the beam 16 about the support shaft 17.
  • the electric control device adopts the form of electronic control rejection.
  • the electric control device is equipped with an inverter, a programmable controller (PLC), a brake unit, a display unit and the like.
  • the output end of the frequency converter is connected to the motor 20, and under the control of the PLC, the motor 20 is regularly rotated forward and reversed to realize the rotation of the beam 16 around the support shaft 17 and the up and down reciprocation of the sucker rod 29.
  • the positioning device adopts a displacement position measuring device.
  • the displacement position measuring device is mounted on the frame and connected with the electronic control rejection 1 to correct the single running distance.
  • the encoder 32 is mounted on the output shaft of the motor 20 and connected to the electronically controlled reject 1, which feeds back the operation of the pumping unit to the frequency converter and the programmable controller, so that the pumping unit realizes closed-loop control.
  • the wire rope discharged from the hoisting machine 30 passes through the pulley 24 and is hung on the lanyard hook 31 on the frame 2 to lift the weight 3 or the sucker rod 29 with the hoist 30.
  • the embodiment of the present invention includes an electronic control device 1, a frame 2, a counterweight 3, a drive wheel frame 4, a drive wheel 5, a displacement positioner 7, a second drive boring head 11, and a second pulley. 12.
  • Belt 13 drive rope 14, first pulley 15, beam 16, support shaft 17, support frame 18, brake 19, motor 20, first drive ram 21, tensioner 23, pulley 24, guide wheel 25
  • This embodiment is very similar to the embodiment shown in Embodiment 2, and the difference is that the second driving boring head 11 is connected to one end of the driving rope 14, and the other end of the driving rope 14 is directly fixed to the driving wheel 5 and then with the first The driving boring heads 21 are connected, so that the angle increasing wheel 9 is not required in this embodiment, and the rest is identical to that of the embodiment 2.

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  • 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)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention porte sur une unité de pompe à balancier de type à équilibrage, comprenant un balancier (16), un palier support (18), un dispositif de suspension de câble (28), une machine motrice (20), des câbles d'entraînement (14), une roue motrice (5), un contrepoids (3), une tige de pompage (29). Le balancier (16) est monté sur le palier support (18) à travers un arbre de support (17), le palier support (18) est monté sur le support (2) et la roue motrice (5) est fixée sur un palier de roue motrice (4) du support (2). La tige de pompage (29) et le contrepoids (3) sont situés séparément sur les côtés du centre de rotation du balancier. La tige de pompage (29) est reliée au balancier (16) à travers le dispositif de suspension de câble (28), le contrepoids (3) relié connecté au balancier (16), et la machine motrice (20) est reliée à la roue motrice (5). Une extrémité du câble d'entraînement (14) est reliée au dispositif de suspension de câble (28) qui est sur un côté du centre de rotation du balancier, ou est directement fixée sur le balancier (16). L'autre extrémité du câble d'entraînement (14) passe à travers la roue motrice (5) et est reliée au dispositif de suspension de câble (28) qui se trouve sur l'autre côté du centre de rotation du balancier, ou est directement fixée sur la roue motrice (9), puis est reliée au dispositif de suspension de câble (28) qui est sur l'autre côté du centre de rotation du balancier, ou l'autre extrémité du câble d'entraînement (14) est directement fixée sur la roue motrice (5).
PCT/CN2008/071418 2007-07-13 2008-06-24 Unité de pompe à balancier à huile de type à équilibrage WO2009009983A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200720155266 2007-07-13
CN200720155266.9 2007-07-13

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Publication Number Publication Date
WO2009009983A1 true WO2009009983A1 (fr) 2009-01-22

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WO (1) WO2009009983A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868705A (zh) * 2018-07-23 2018-11-23 顾心怿 一种齿轮在滑杠上横移并可轻便调节平衡的齿轮齿条抽油机
CN111577220A (zh) * 2020-04-17 2020-08-25 新疆维吾尔自治区第三机床厂 双驴头永磁直驱抽油机
CN117823397A (zh) * 2024-03-06 2024-04-05 成都鑫泽机械有限公司 一种抽油机游梁滑动双配重装置
CN118065833A (zh) * 2024-04-19 2024-05-24 大庆市瑞斯德石油机械制造有限公司 一种双井共用抽油机

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CN102128017B (zh) * 2010-01-13 2013-05-15 刘昕 重锤平衡式石油抽油机
CN105422052B (zh) * 2015-12-24 2018-07-13 一能电气有限公司 一种游梁式抽油机
CN107780889A (zh) * 2017-12-16 2018-03-09 吕传庆 一种直拉式抽油机
CN109707346A (zh) * 2018-11-21 2019-05-03 沈阳人和机电工程设备有限公司 一种配重重心可移动的抽油机
CN109339747B (zh) * 2018-12-09 2024-06-21 杭州中油智井装备科技有限公司 一种双抽节能游梁式抽油机
CN111155971B (zh) * 2020-03-05 2020-10-30 正弦科技有限公司 一种依靠卷扬装置驱动的游梁式抽油机
CN111577219A (zh) * 2020-04-17 2020-08-25 新疆维吾尔自治区第三机床厂 配重导向式双驴头抽油机
CN112324395B (zh) * 2020-11-23 2021-05-14 大庆世佳石油设备股份有限公司 应用电参曲线分析技术的抽油机井定液位抽汲伺服装置
CN113550719A (zh) * 2021-09-06 2021-10-26 史劢 一种天平式抽油机

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US4454778A (en) * 1981-04-21 1984-06-19 Virgil Camren Pump jack system for oil well
CN2546629Y (zh) * 2002-03-15 2003-04-23 于鸿猷 气动游梁式抽油机
CN1693655A (zh) * 2004-05-31 2005-11-09 任文林 抽油机
CN1831293A (zh) * 2005-03-07 2006-09-13 中国石化胜利油田有限公司临盘采油厂 滑轮式抽油机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454778A (en) * 1981-04-21 1984-06-19 Virgil Camren Pump jack system for oil well
CN2546629Y (zh) * 2002-03-15 2003-04-23 于鸿猷 气动游梁式抽油机
CN1693655A (zh) * 2004-05-31 2005-11-09 任文林 抽油机
CN1831293A (zh) * 2005-03-07 2006-09-13 中国石化胜利油田有限公司临盘采油厂 滑轮式抽油机

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868705A (zh) * 2018-07-23 2018-11-23 顾心怿 一种齿轮在滑杠上横移并可轻便调节平衡的齿轮齿条抽油机
CN108868705B (zh) * 2018-07-23 2023-11-14 顾心怿 一种齿轮在滑杠上横移并可轻便调节平衡的齿轮齿条抽油机
CN111577220A (zh) * 2020-04-17 2020-08-25 新疆维吾尔自治区第三机床厂 双驴头永磁直驱抽油机
CN111577220B (zh) * 2020-04-17 2022-02-08 新疆维吾尔自治区第三机床厂 双驴头永磁直驱抽油机
CN117823397A (zh) * 2024-03-06 2024-04-05 成都鑫泽机械有限公司 一种抽油机游梁滑动双配重装置
CN117823397B (zh) * 2024-03-06 2024-05-10 成都鑫泽机械有限公司 一种抽油机游梁滑动双配重装置
CN118065833A (zh) * 2024-04-19 2024-05-24 大庆市瑞斯德石油机械制造有限公司 一种双井共用抽油机

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CN101298833A (zh) 2008-11-05

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