CN111691859A - Electric control reversing pumping unit without speed reducer - Google Patents

Electric control reversing pumping unit without speed reducer Download PDF

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Publication number
CN111691859A
CN111691859A CN202010707256.1A CN202010707256A CN111691859A CN 111691859 A CN111691859 A CN 111691859A CN 202010707256 A CN202010707256 A CN 202010707256A CN 111691859 A CN111691859 A CN 111691859A
Authority
CN
China
Prior art keywords
motor
belt
pumping unit
driving
pulley
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.)
Pending
Application number
CN202010707256.1A
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Chinese (zh)
Inventor
刘超
刘雅楠
王大伟
孙玉华
朱玥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Innovation Petroleum Technology Co ltd
Original Assignee
Shandong Innovation Petroleum Technology Co ltd
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 Shandong Innovation Petroleum Technology Co ltd filed Critical Shandong Innovation Petroleum Technology Co ltd
Priority to CN202010707256.1A priority Critical patent/CN111691859A/en
Publication of CN111691859A publication Critical patent/CN111691859A/en
Pending legal-status Critical Current

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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to the technical field of oil extraction in oil fields, in particular to an electric control reversing speed reducer-free pumping unit which comprises a base, a support, a driving assembly and a driving belt, wherein the lower end of the support is fixedly connected with the base, the upper end of the support is rotatably connected with a walking beam through a walking beam support, a horse head is arranged at the near end of a well head of the walking beam, a pulley is arranged at the far end of the well head, a lifting rope is arranged at the outer arc section of the horse head, the driving assembly comprises a motor and a roller, the motor is sequentially detachably connected with a motor base, a connecting seat and the base, a small belt wheel is arranged at the shaft end of the motor, a large belt wheel is arranged at the shaft end of the roller, the large belt wheel is connected with the small belt wheel through a transmission belt, the driving belt bypasses the pulley, one end of the driving belt is connected with a belt adjusting assembly, the other end of the driving belt is, the oil extraction is realized safely and environmentally.

Description

Electric control reversing pumping unit without speed reducer
Technical Field
The invention relates to the technical field of oil extraction in oil fields, in particular to an electric control reversing speed reducer-free oil pumping unit.
Background
Mechanical oil extraction equipment is mainly adopted for oil extraction in an oil field, wherein the oil pumping unit mainly comprises a beam pumping unit and a non-beam pumping unit, the electric control reversing non-beam pumping unit is widely applied in terms of long stroke, low stroke frequency, energy conservation, environmental protection and low noise, but the existing electric control reversing non-beam pumping unit needs to ascend to an upper platform to maintain a motor and a roller, replace a load belt, load the oil pumping unit and unload the oil pumping unit in the use process, potential safety hazards exist in the ascending process, and a speed reducer matched with the beam pumping unit is easy to leak oil or splash in the use process, so that the environmental pollution of an oil extraction site is caused, and the oil extraction cost of the oil field is increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an electric control reversing speed reducer-free pumping unit, which drives a pulley 7, a walking beam 8 and a horse head 10 to swing up and down by taking a walking beam support 9 as a pivot through a driving component 4 arranged on a foundation in a forward and reverse traction transmission belt 45, so that the oil extraction is realized safely and environmentally.
The technical scheme adopted by the invention is as follows: an electric control reversing reducer-free pumping unit comprises a foundation 1, a bracket 2, a driving component 4 and a driving belt 6, the lower end of the support 2 is fixedly connected with the foundation 1, the upper end of the support is rotatably connected with a walking beam 8 through a walking beam support 9, a horse head 10 is arranged at the near end of a well mouth of the walking beam 8, a pulley 7 is arranged at the far end of the well mouth, a lifting rope 11 is arranged on the outer arc section of the horse head 10, the driving assembly 4 comprises a motor 43 and a roller 46, the motor 43 is detachably connected with the motor base 42, the connecting seat 41 and the foundation 1 in sequence, a small belt wheel 44 is arranged at the shaft end of the motor 43, a large belt wheel 47 is arranged at the shaft end of the roller 46, the large belt wheel 47 and the small belt wheel 44 are connected through a transmission belt 45, the driving belt 6 is wound around the pulley 7, one end of the driving belt is connected with the belt adjuster component 3, the other end of the driving belt is connected with the roller 46, and the motor 43 is connected with the control cabinet 5 through a signal line and a power line.
The above technical solution can be further optimized as follows:
the belt adjusting assembly 3 comprises a belt adjusting body 31, the belt adjusting body 31 is rotatably connected with a fixed seat 32 through a pin shaft 33 and is connected with a connecting fork 34 through a bolt 36, the connecting fork 34 is connected with one end of a driving belt 6 through a connecting pin 35, and the fixed seat 32 is fixedly connected with a connecting seat 41.
The contact part of the belt adjuster body 31 and the driving belt 6 is an arc plate.
The number of the driving belt 6, the connecting fork 34, the connecting pin 35 and the bolt 36 is two.
The motor 43 is a permanent magnet synchronous motor.
The bolt 36 is a stud bolt and two or four nuts 37 are provided at the end remote from the clevis 34.
The electric control reversing speed reducer-free oil pumping unit provided by the invention has the advantages that the driving assembly 4 arranged on the foundation is used for positively and negatively pulling the transmission belt 45 to drive the pulley 7, the walking beam 8 and the horse head 10 to swing up and down by taking the walking beam support 9 as a fulcrum, so that the oil extraction is realized safely and environmentally.
Drawings
FIG. 1 is a front view of an oil pumping unit;
FIG. 2 is a front view of the drive assembly;
FIG. 3 is a front view of the tape adjuster assembly;
FIG. 4 is a rotated view of the tape adjuster assembly A;
in the figure: 1-foundation, 2-bracket, 3-belt adjuster component, 31-belt adjuster body, 32-fixing seat, 33-pin shaft, 34-connecting fork, 35-connecting pin, 36-bolt, 37-nut, 4-driving component, 41-connecting seat, 42-motor base, 43-motor, 44-small belt wheel, 45-driving belt, 46-roller, 47-large belt wheel, 5-control cabinet, 6-driving belt, 7-pulley, 8-walking beam, 9-walking beam support, 10-horse head and 11-lifting rope.
Detailed Description
Referring to fig. 1, the electric control reversing speed reducer-free pumping unit comprises a base 1, a support 2, a driving assembly 4 and a driving belt 6, wherein the lower end of the support 2 is fixedly connected with the base 1, the upper end of the support is rotatably connected with a walking beam 8 through a walking beam support 9, the near end of a well mouth of the walking beam 8 is provided with a horse head 10, the far end of the well mouth is provided with a pulley 7, a lifting rope 11 is arranged on the outer arc section of the horse head 10, the driving assembly 4 comprises a motor 43 and a roller 46, the motor 43 is detachably connected with a motor base 42, a connecting seat 41 and the base 1 in sequence, the shaft end of the motor 43 is provided with a small belt wheel 44, the shaft end of the roller 46 is provided with a large belt wheel 47, the large belt wheel 47 is connected with the small belt wheel 44 through a transmission belt 45, the driving belt 6 bypasses the pulley 7, one end of the driving belt is connected, when the pumping unit operates, the lifting rope 11 is connected with the oil well polished rod through the rope hanger, the motor 43 receives an uplink signal of the control cabinet 5 and starts to rotate anticlockwise, the small pulley 44, the transmission belt 45, the large pulley 47 and the roller 46 sequentially start to rotate anticlockwise under the action of the motor 43, the driving belt 6 starts to be wound on the outer wall of the roller 46, the driving belt 6 drives the far end of the wellhead of the walking beam 8 to descend through the pulley 7 at the moment, the horse head 10 and the lifting rope 11 synchronously ascend to drive the oil well polished rod to ascend, and when the polished rod ascends to an upper dead point, the rotating speeds of the small pulley 44, the transmission belt 45, the large pulley 47 and the roller 46 are zero; the motor 43 receives a downlink signal of the control cabinet 5 to start clockwise rotation, under the action of the motor 43, the small belt pulley 44, the transmission belt 45, the large belt pulley 47 and the roller 46 sequentially start clockwise rotation, the driving belt 6 starts to be rotated out of the roller 46, the driving belt 6 drives the wellhead far end of the walking beam 8 to ascend through the pulley 7 at the moment, the horse head 10 and the lifting rope 11 synchronously descend to drive the oil well polished rod to descend, when the oil well polished rod descends to a bottom dead center, the rotating speeds of the small belt pulley 44, the transmission belt 45, the large belt pulley 47 and the roller 46 are zero at the moment, and an oil extraction stroke of the oil pumping unit is finished.
In a preferred embodiment, the belt adjuster assembly 3 comprises a belt adjuster body 31, the belt adjuster body 31 is rotatably connected with a fixed seat 32 through a pin shaft 33, is connected with a connecting fork 34 through a bolt 36, the connecting fork 34 is connected with one end of a driving belt 6 through a connecting pin 35, the fixed seat 32 is fixedly connected with a connecting seat 41, and when the pumping unit is installed, the position of the connecting fork 34 is adjusted through rotating the bolt 36, so that the length and the tightness of the driving belt 6 can be adjusted; when the stress of the driving belt 6 is uneven, the belt adjuster body 31 rotates properly by taking the pin shaft 33 as the center until the stress of the driving belt 6 is even, which is beneficial to the stable operation of the oil pumping unit and the improvement of the service life of the driving belt 6.
The contact part of the belt adjuster body 31 and the driving belt 6 is an arc plate, so that the bending radius of the driving belt 6 when being connected with the belt adjuster body 31 is increased, and the service life of the driving belt 6 is prolonged.
The number of the driving belt 6, the connecting fork 34, the connecting pin 35 and the bolt 36 is two, which is beneficial to the uniform stress of the driving belt 6.
The motor 43 is a permanent magnet synchronous motor, can realize low rotating speed and large torque, and is energy-saving and efficient.
The bolt 36 is a stud bolt, and two or four nuts 37 are arranged at one end far away from the connecting fork 34, so that the connecting strength of the bolt 36 is improved, and the safe and stable operation of the pumping unit is facilitated.

Claims (6)

1. The utility model provides an automatically controlled switching-over does not have reduction gear beam-pumping unit, includes basis (1), support (2), drive assembly (4) and driving band (6), support (2) lower extreme and basis (1) fixed connection, upper end support (9) through the walking beam and are connected with walking beam (8) rotation, the well head near-end of walking beam (8) is equipped with horse head (10), and the well head distal end is equipped with pulley (7) the outer circular arc section of horse head (10) is equipped with lifting rope (11), its characterized in that: drive assembly (4) include motor (43) and cylinder (46), motor (43) in proper order can dismantle with motor base (42), connecting seat (41) and basis (1) and be connected, motor (43) axle head is equipped with little band pulley (44), cylinder (46) axle head is equipped with big band pulley (47), is connected through driving belt (45) between big band pulley (47) and the little band pulley (44), pulley (7) are walked around in driving band (6), and one end is connected with accent belter subassembly (3), and the other end is connected with cylinder (46), motor (43) are connected with switch board (5) through signal line and power line.
2. The electrically controlled reversing decelerator-free pumping unit of claim 1, wherein: transfer and take ware subassembly (3) including transferring and take ware body (31), transfer and take ware body (31) and fixing base (32) to rotate through round pin axle (33) and be connected, be connected through bolt (36) with yoke (34), yoke (34) are connected with driving band (6) one end through connecting pin (35), fixing base (32) and connecting seat (41) fixed connection.
3. The electrically controlled reversing decelerator-free pumping unit of claim 2, wherein: the contact part of the belt adjuster body (31) and the driving belt (6) is an arc plate.
4. The electrically controlled reversing decelerator-less pumping unit of claim 3, wherein: the number of the driving belt (6), the number of the connecting pins (35) of the connecting fork (34) and the number of the bolts (36) are two.
5. The electrically controlled reversing decelerator-less pumping unit of claim 4, wherein: the motor (43) is a permanent magnet synchronous motor.
6. The electrically controlled reversing decelerator-less pumping unit of claim 5, wherein: the bolt (36) is a stud bolt, and two or four nuts (37) are arranged at one end far away from the connecting fork (34).
CN202010707256.1A 2020-07-22 2020-07-22 Electric control reversing pumping unit without speed reducer Pending CN111691859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010707256.1A CN111691859A (en) 2020-07-22 2020-07-22 Electric control reversing pumping unit without speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010707256.1A CN111691859A (en) 2020-07-22 2020-07-22 Electric control reversing pumping unit without speed reducer

Publications (1)

Publication Number Publication Date
CN111691859A true CN111691859A (en) 2020-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010707256.1A Pending CN111691859A (en) 2020-07-22 2020-07-22 Electric control reversing pumping unit without speed reducer

Country Status (1)

Country Link
CN (1) CN111691859A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112324394A (en) * 2020-11-18 2021-02-05 瑞昌市森奥达科技有限公司 Direct-drive oil pumping unit
CN112460166A (en) * 2020-11-06 2021-03-09 中国石油天然气股份有限公司 Brake device and pumping unit brake system
CN112814627A (en) * 2021-03-22 2021-05-18 山东创新石油技术有限公司 Electrically controlled reversing direct-drive beam pumping unit
CN112814628A (en) * 2021-03-22 2021-05-18 山东创新石油技术有限公司 Electrically controlled reversing balance-weight-free beam-pumping unit
CN113756755A (en) * 2021-10-08 2021-12-07 山东创新石油技术有限公司 Energy storage integrated electric balance beam-pumping unit
CN114183098A (en) * 2022-01-17 2022-03-15 习书位 Energy-saving pumping unit without reduction gearbox

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2769551Y (en) * 2005-03-07 2006-04-05 中国石化胜利油田有限公司临盘采油厂 Pulley wheel type beam-pumping unit
CN2918888Y (en) * 2006-06-16 2007-07-04 杨发 Pumping unit transmission belt automatic setting machine
CN101100935A (en) * 2007-07-23 2008-01-09 中国石化股份胜利油田分公司采油工艺研究院 Continuous liquid-discharging device for exploration well testing for oil
CN101109279A (en) * 2007-08-24 2008-01-23 北京嘉捷博大汽车节能技术有限公司 Power generating lying energy recycling electric hydraulic pressure energy-saving balance beam type pumping machine
CN201093037Y (en) * 2007-09-07 2008-07-30 银川市长陇石化实业有限公司 Oil pump leather belt tightness regulating mechanism
CN201144672Y (en) * 2007-11-30 2008-11-05 金春花 Energy-saving trolley type beam-pumping unit
CN201198752Y (en) * 2008-05-23 2009-02-25 徐广生 Electric machine mounting platform of oil pumping machine
CN202228613U (en) * 2011-08-29 2012-05-23 中国石油化工股份有限公司 Belt adjusting device of beam-pumping unit
KR20120107209A (en) * 2011-03-21 2012-10-02 성관모 Tent for event
CN202531123U (en) * 2012-03-01 2012-11-14 中国石油天然气股份有限公司 Wire tightening device for adjusting belt pulley of beam-pumping unit
CN105276109A (en) * 2015-11-30 2016-01-27 李功文 Belt tensioning device
CN205173387U (en) * 2015-11-10 2016-04-20 胜利油田高原石油装备有限责任公司 Belt tensioning adjustment device for beam pumping unit
US20160273323A1 (en) * 2015-03-19 2016-09-22 Yanan Liu Flexible beam vertical pumping unit
CN205638379U (en) * 2016-04-26 2016-10-12 中国石油天然气股份有限公司 Posture oil production device that switched reluctance motor pulled
CN107387693A (en) * 2017-09-21 2017-11-24 无锡永凯达齿轮有限公司 The belt stress compensated automatically with unidirectional high-damping
CN108222889A (en) * 2018-02-02 2018-06-29 山东创新石油技术有限公司 Without speed reducer digital control vertical pumping unit
CN207613504U (en) * 2017-05-26 2018-07-17 广州德贝尔家居有限公司 A kind of pulley structure that tightness of steel wire rope is adjusted
CA3008862A1 (en) * 2017-06-21 2018-12-21 Devon Brandon Belt tensioner for pumpjack
CN208790494U (en) * 2018-08-18 2019-04-26 昆山英盛华自动化科技有限公司 Belt tension regulating device
CN110608015A (en) * 2019-10-10 2019-12-24 苏贻新 Wheel shaft type beam energy-saving pumping unit
CN110761745A (en) * 2019-10-28 2020-02-07 国际 Wheel shaft type energy-saving beam-pumping unit
CN111396238A (en) * 2020-04-07 2020-07-10 荆门创佳机械科技有限公司 Belt-driven swinging plate type wave power generation device
CN212296318U (en) * 2020-07-22 2021-01-05 山东创新石油技术有限公司 Electric control reversing pumping unit without speed reducer

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2769551Y (en) * 2005-03-07 2006-04-05 中国石化胜利油田有限公司临盘采油厂 Pulley wheel type beam-pumping unit
CN2918888Y (en) * 2006-06-16 2007-07-04 杨发 Pumping unit transmission belt automatic setting machine
CN101100935A (en) * 2007-07-23 2008-01-09 中国石化股份胜利油田分公司采油工艺研究院 Continuous liquid-discharging device for exploration well testing for oil
CN101109279A (en) * 2007-08-24 2008-01-23 北京嘉捷博大汽车节能技术有限公司 Power generating lying energy recycling electric hydraulic pressure energy-saving balance beam type pumping machine
CN201093037Y (en) * 2007-09-07 2008-07-30 银川市长陇石化实业有限公司 Oil pump leather belt tightness regulating mechanism
CN201144672Y (en) * 2007-11-30 2008-11-05 金春花 Energy-saving trolley type beam-pumping unit
CN201198752Y (en) * 2008-05-23 2009-02-25 徐广生 Electric machine mounting platform of oil pumping machine
KR20120107209A (en) * 2011-03-21 2012-10-02 성관모 Tent for event
CN202228613U (en) * 2011-08-29 2012-05-23 中国石油化工股份有限公司 Belt adjusting device of beam-pumping unit
CN202531123U (en) * 2012-03-01 2012-11-14 中国石油天然气股份有限公司 Wire tightening device for adjusting belt pulley of beam-pumping unit
US20160273323A1 (en) * 2015-03-19 2016-09-22 Yanan Liu Flexible beam vertical pumping unit
CN205173387U (en) * 2015-11-10 2016-04-20 胜利油田高原石油装备有限责任公司 Belt tensioning adjustment device for beam pumping unit
CN105276109A (en) * 2015-11-30 2016-01-27 李功文 Belt tensioning device
CN205638379U (en) * 2016-04-26 2016-10-12 中国石油天然气股份有限公司 Posture oil production device that switched reluctance motor pulled
CN207613504U (en) * 2017-05-26 2018-07-17 广州德贝尔家居有限公司 A kind of pulley structure that tightness of steel wire rope is adjusted
CA3008862A1 (en) * 2017-06-21 2018-12-21 Devon Brandon Belt tensioner for pumpjack
CN107387693A (en) * 2017-09-21 2017-11-24 无锡永凯达齿轮有限公司 The belt stress compensated automatically with unidirectional high-damping
CN108222889A (en) * 2018-02-02 2018-06-29 山东创新石油技术有限公司 Without speed reducer digital control vertical pumping unit
CN208790494U (en) * 2018-08-18 2019-04-26 昆山英盛华自动化科技有限公司 Belt tension regulating device
CN110608015A (en) * 2019-10-10 2019-12-24 苏贻新 Wheel shaft type beam energy-saving pumping unit
CN110761745A (en) * 2019-10-28 2020-02-07 国际 Wheel shaft type energy-saving beam-pumping unit
CN111396238A (en) * 2020-04-07 2020-07-10 荆门创佳机械科技有限公司 Belt-driven swinging plate type wave power generation device
CN212296318U (en) * 2020-07-22 2021-01-05 山东创新石油技术有限公司 Electric control reversing pumping unit without speed reducer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112460166A (en) * 2020-11-06 2021-03-09 中国石油天然气股份有限公司 Brake device and pumping unit brake system
CN112324394A (en) * 2020-11-18 2021-02-05 瑞昌市森奥达科技有限公司 Direct-drive oil pumping unit
CN112814627A (en) * 2021-03-22 2021-05-18 山东创新石油技术有限公司 Electrically controlled reversing direct-drive beam pumping unit
CN112814628A (en) * 2021-03-22 2021-05-18 山东创新石油技术有限公司 Electrically controlled reversing balance-weight-free beam-pumping unit
CN113756755A (en) * 2021-10-08 2021-12-07 山东创新石油技术有限公司 Energy storage integrated electric balance beam-pumping unit
CN114183098A (en) * 2022-01-17 2022-03-15 习书位 Energy-saving pumping unit without reduction gearbox

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