CN202117637U - Dynamic balance beam oil pumping unit - Google Patents

Dynamic balance beam oil pumping unit Download PDF

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Publication number
CN202117637U
CN202117637U CN2011201952263U CN201120195226U CN202117637U CN 202117637 U CN202117637 U CN 202117637U CN 2011201952263 U CN2011201952263 U CN 2011201952263U CN 201120195226 U CN201120195226 U CN 201120195226U CN 202117637 U CN202117637 U CN 202117637U
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CN
China
Prior art keywords
leading screw
pumping unit
linear motor
dynamic equilibrium
beam pumping
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.)
Expired - Lifetime
Application number
CN2011201952263U
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Chinese (zh)
Inventor
祝勇
张汉
衣怀峰
章敬
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FURUI SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd KELAMAYI CITY
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FURUI SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd KELAMAYI CITY
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Priority to CN2011201952263U priority Critical patent/CN202117637U/en
Application granted granted Critical
Publication of CN202117637U publication Critical patent/CN202117637U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to the technical field of oil pumping units, in particular to a dynamic balance beam oil pumping unit, which comprises a seat, a support, a beam, a left mule head, a right mule head, a matched moving device and a control device capable of controlling the movement of the matched moving device. The support is fixedly arranged on the seat, the middle of the beam is in hinge connection with the support through a central shaft, and the left end and the right end of the beam are respectively and fixedly provided with the left mule head and the right mule head. A balance weight is positioned on the left mule head, the matched moving device capable of horizontally moving along the beam is installed on the beam, an angular displacement sensor is fixedly arranged on the central shaft, and a signal output end of the angular displacement sensor is electrically connected with an angular displacement signal input end of the control device through a wire. The dynamic balance beam oil pumping unit is reasonable and compact in structure and convenient to use. The matched moving device can horizontally move on the beam to pump oil, thereby having the advantages of being simple in operation, little in mechanical loss, convenient to adjust strokes, high in work efficiency and capable of saving energy and reducing consumption.

Description

The dynamic equilibrium beam pumping unit
Technical field
The utility model relates to the oil pumper technical field, is a kind of dynamic equilibrium beam pumping unit.
Background technology
From nineteen thirties, people from former Soviet Union invented beam pumping unit according to the lever principle in the theoretical mechanics, and it has simple in structure, stable performance, and advantage such as easy to maintenance remains the main lifting equipment that world's oilfield exploitation oil generally adopts so far.From oil production method, can be divided into two kinds: bar class oil production equipment and no bar class oil production equipment are arranged.At present most popular have bar class oil production equipment to surely belong to beam pumping unit, and this system is made up of three parts: above ground portion, down-hole part and mid portion.Above ground portion is made up of motor, reduction box and quadric chain.In long-term development, beam pumping unit derives a lot of types through repeatedly technological innovation, and form of structure is different.As: conventional crank balanced pumping unit, conventional compound beam-balanced pumping unit, the suspension biasing is prone to transfer oil pumper etc.Though the kind model is different, mechanism principle is roughly the same, all is to adopt quadric chain.Its oil recovery principle all is: motor drives crank through belt and reducer and makes uniform circular motion; Crank is fulcrum through the walking beam that connecting rod drives quadric chain with central bearing on the support; Do and swing up and down; Drive the horse head suspension point (this suspension point connects sucker rod) of walking beam front end, drive fuel feed pump plunger and do rectilinear motion up and down reciprocatingly, realize mechanical oil recovery.Though beam pumping unit has obtained the widespread usage of petroleum industry, but still have following problem demanding prompt solution, promptly traditional beam pumping unit mainly contains following defective:
1, mechanical loss is many: well-known; The mechanical loss coefficient is the symbol of a machine works efficient; Because beam pumping unit is a kind of motor drives distortion through reduction box a quadric chain; And each linkage and mechanical transmission structure can produce the mechanical loss near 8%, and the mechanical loss that quadric chain produced through calculating so like this just reaches 30-40 ﹪.
2, total system is transferred stroke, the inconvenience of accent jig frequency: traditional quadric chain beam pumping unit can only pass through to change belt pulley, and the deceleration of replacing reducer recently changes the jig frequency of oil pumper; Change the stroke of oil pumper through the crank length that changes four connecting rods; Adjusting needs the professional to operate, and implements also time-consuming, effort.
3, mechanism is numerous and diverse and fault rate is high: the complex structure of present common beam pumping unit; System's run duration very easily causes wearing and tearing; Especially as the gear reduction unit of mechanical reduction system actuator, under the state of varying duty, work for a long time, the frictionally damage of gear very easily forms.So the gear reduction unit of traditional beam pumping unit is changed frequent, thereby causes great economic loss.
4, traditional beam pumping unit system whole efficiency is low: because traditional beam pumping unit is operated under the state of stress alternation; And starting torque is big; So the motor of oil extractor of normal operation can only be operated in the state of underload; So the power factor of motor and efficient are all lower, average operating efficiency has only 25%, and waste of energy is big.
Summary of the invention
The utility model provides a kind of dynamic equilibrium beam pumping unit, has overcome the deficiency of above-mentioned prior art, and it can effectively solve, and existing beam pumping unit mechanical loss is many, power consumption is big, complex structure, fault rate height and ineffective problem.
The technical scheme of the utility model realizes through following measure: a kind of dynamic equilibrium beam pumping unit comprises base, support, walking beam, left horse head, right horse head, joins device and can control and join the control device that device moves; On base, be installed with support; The middle part of walking beam is hinged on the support through axis; Left end and right-hand member at walking beam are installed with left horse head and right horse head respectively, on left horse head, counterweight are installed, and on walking beam, being equipped with can be along the device of joining of walking beam move left and right; On axis, be installed with angular displacement sensor, the angular displacement signal input of the signal output part of angular displacement sensor and control device is electrically connected through lead.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
The above-mentioned device of joining can comprise linear electric motors and balancing weight; And linear electric motors comprise linear motor rotor and linear motor stator electric; Linear motor stator electric is fixedly mounted on the walking beam; Can be installed in along the linear motor rotor of linear motor stator electric move left and right on the linear motor stator electric, on linear motor rotor, be installed with balancing weight.
Above-mentioned linear motor stator electric two ends can be installed with respectively joins the device limit switch, and the signal output part of limit switch is electrically connected through the limit signal input of lead and control device.
The above-mentioned device of joining can comprise leading screw, servomotor and balancing weight; Left end and right-hand member at the walking beam top are installed with left leading screw bearing spider and right leading screw bearing spider respectively; The left end of leading screw and right-hand member are installed in respectively in left leading screw bearing spider and the right leading screw bearing spider; On leading screw, be equipped with and on servomotor, be installed with balancing weight along the servomotor of leading screw move left and right.
Above-mentioned leading screw can be ball-screw.
Can be installed with respectively on above-mentioned left leading screw bearing spider and the right leading screw bearing spider and join the device limit switch, the signal output part of limit switch is electrically connected through the limit signal input of lead and control device.
Can counterweight be installed through wire rope on the above-mentioned left horse head.
Above-mentioned control device comprises frequency converter, intelligent controller and controlling parameter operation-interface; The control signal output of intelligent controller is electrically connected with the control signal input of frequency converter through lead, and the three phase frequency changing power that linear electric motors or servomotor are supplied with by frequency converter drives.
The utility model reasonable and compact in structure, easy to use, carry out oil pumping work through joining device move left and right on walking beam, therefore have simple to operate, mechanical loss is little, be convenient to transfer jig frequency, the characteristics of energy-saving and cost-reducing and high efficiency.
Description of drawings
Accompanying drawing 1 is the main TV structure sketch map of the utility model embodiment 1.
Accompanying drawing 2 is the main TV structure sketch map of the utility model embodiment 2.
Accompanying drawing 3 is the electric control theory figure of the utility model embodiment 1.
Coding in the accompanying drawing is respectively: 1 is base, and 2 is support, and 3 is walking beam, and 4 is left horse head, and 5 is right horse head; 6 is control device, and 7 is axis, and 8 are counterweight, and 9 is angular displacement sensor, and 10 is wire rope; 11 is left leading screw bearing spider, and 12 is right leading screw bearing spider, and 13 is linear motor rotor, and 14 is linear motor stator electric, and 15 is balancing weight; 16 is leading screw, and 17 is servomotor, and A is the controlling parameter operation-interface, and C is a frequency converter; D is linear electric motors or servomotor, and F is an oil well pump, and H is a three phase frequency changing power, and PLC is an intelligent controller.
The specific embodiment
The utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
In the utility model, for the ease of describing, the description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: on. down. a left side. the position relation on the right side etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Like accompanying drawing 1, shown in 2, this dynamic equilibrium beam pumping unit comprises base 1, support 2, walking beam 3, left horse head 4, right horse head 5, join device and can control and join the control device 6 that device moves; On base 1, be installed with support 2; The middle part of walking beam 3 is hinged on the support 2 through axis 7; Left end and right-hand member at walking beam 3 are installed with left horse head 4 and right horse head 5 respectively, on left horse head 4, counterweight 8 are installed, and on walking beam 3, being equipped with can be along the device of joining of walking beam 3 move left and right; On axis 7, be installed with angular displacement sensor 9, the angular displacement signal input of the signal output part of angular displacement sensor 9 and control device 6 is electrically connected through lead.
Can according to actual needs above-mentioned dynamic equilibrium beam pumping unit be done further to optimize or/and improve:
Embodiment 1: shown in accompanying drawing 1, join device and comprise linear electric motors and balancing weight 15; And linear electric motors comprise linear motor rotor 13 and linear motor stator electric 14; Linear motor stator electric 14 is fixedly mounted on the walking beam 3; Can be installed on the linear motor stator electric 14 along the linear motor rotor 13 of linear motor stator electric 14 move left and right, on linear motor rotor 13, be installed with balancing weight 15.
As required, linear motor stator electric 14 two ends are installed with respectively joins the device limit switch, and the signal output part of limit switch is electrically connected through the limit signal input of lead and control device 6.Like this, when linear motor stator electric 14 and balancing weight 15 can stop when the device limit switch contacts with joining, can avoid linear motor stator electric 14 and balancing weight 15 causing the accident toward the too many of two side shiftings.
Embodiment 2: shown in accompanying drawing 2; Join device and comprise leading screw 16, servomotor 17 and balancing weight 15; Left end and right-hand member at walking beam 3 tops are installed with left leading screw bearing spider 11 and right leading screw bearing spider 12 respectively; The left end of leading screw 16 and right-hand member are installed in respectively in left leading screw bearing spider 11 and the right leading screw bearing spider 12, on leading screw 16, are equipped with and can on servomotor 17, be installed with balancing weight 15 along the servomotor 17 of leading screw 16 move left and right.
In embodiment 2, shown in accompanying drawing 2, leading screw 16 is preferably ball-screw.As required, be installed with respectively on left leading screw bearing spider 11 and the right leading screw bearing spider 12 and join the device limit switch, the signal output part of limit switch is electrically connected through the limit signal input of lead and control device 6.Like this, when servomotor 17 and balancing weight 15 can stop when the device limit switch contacts with joining, can avoid servomotor 17 and balancing weight 15 causing the accident toward the too many of two side shiftings.
Can according to actual needs above-mentioned dynamic equilibrium beam pumping unit be done further to optimize or/and improve:
Like accompanying drawing 1, shown in 2, as required, through wire rope 10 counterweight 8 is installed on the left horse head 4.
Like accompanying drawing 1, shown in 2, control device 6 comprises frequency converter C, intelligent controller PLC and controlling parameter operation-interface A; The control signal output of intelligent controller PLC is electrically connected with the control signal input of frequency converter C through lead, and linear electric motors or servomotor D are driven by the three phase frequency changing power that frequency converter C supplies with.
Above technical characterictic has constituted the embodiment of the utility model, and it has stronger compliance and implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model embodiment 1: control device comprises frequency converter C, intelligent controller PLC and controlling parameter operation-interface A; The control signal output of intelligent controller PLC is electrically connected with the control signal input of frequency converter C through lead, and linear electric motors D is driven by the three phase frequency changing power that frequency converter C supplies with.During use; At first left set angle and right set angle are set for intelligent controller PLC through controlling parameter operation-interface A, in oil pumping process, linear motor rotor 13 and balancing weight 15 horse head 5 directions motion to the right under the driving of three phase frequency changing power H; This moment, walking beam 3 was also toward right-hand swing; The angular displacement sensor 9 that receives as intelligent controller PLC measures linear motor rotor 13 when being equal to or greater than right set angle with the pairing angle of balancing weight 15 right positions that arrives, and intelligent controller PLC gives frequency converter C transmission signal, and frequency converter C commutates three phase frequency changing power H; Control linear electric motors D counter-rotating, this moment, linear motor rotor 13 was moved to the left with balancing weight 15; The angular displacement sensor 9 that receives as intelligent controller PLC measures linear motor rotor 13 when being equal to or greater than left set angle with the pairing angle of balancing weight 15 leftward position that arrives; Intelligent controller PLC sends signal for frequency converter C; Frequency converter C is with three phase frequency changing power H switching-over, and control linear electric motors D just changes, and this moment, linear motor rotor 13 moved right with balancing weight 15; Circulation so repeatedly reaches the purpose that drives oil well pump F oil pumping.
In like manner, for embodiment 2, control device comprises frequency converter C, intelligent controller PLC and controlling parameter operation-interface A; The control signal output of intelligent controller PLC is electrically connected with the control signal input of frequency converter C through lead, and servomotor D is driven by the three phase frequency changing power that frequency converter C supplies with; The device of joining that leading screw 16, servomotor 17 and balancing weight 15 form also is to drive (be specially: servomotor D is driven by the three phase frequency changing power that frequency converter C supplies with) by the three phase frequency changing power H that frequency converter C supplies with, and its work control procedure is similar with the course of work of joining device that balancing weight 15 forms with linear electric motors.

Claims (10)

1. dynamic equilibrium beam pumping unit is characterized in that comprising base, support, walking beam, left horse head, right horse head, joins device and can control and join the control device that device moves; On base, be installed with support; The middle part of walking beam is hinged on the support through axis; Left end and right-hand member at walking beam are installed with left horse head and right horse head respectively, on left horse head, counterweight are installed, and on walking beam, being equipped with can be along the device of joining of walking beam move left and right; On axis, be installed with angular displacement sensor, the angular displacement signal input of the signal output part of angular displacement sensor and control device is electrically connected through lead.
2. dynamic equilibrium beam pumping unit according to claim 1 is characterized in that joining device and comprises linear electric motors and balancing weight; And linear electric motors comprise linear motor rotor and linear motor stator electric; Linear motor stator electric is fixedly mounted on the walking beam; Can be installed in along the linear motor rotor of linear motor stator electric move left and right on the linear motor stator electric, on linear motor rotor, be installed with balancing weight.
3. dynamic equilibrium beam pumping unit according to claim 2; It is characterized in that the linear motor stator electric two ends are installed with respectively joins the device limit switch, and the signal output part of limit switch is electrically connected through the limit signal input of lead and control device.
4. dynamic equilibrium beam pumping unit according to claim 1; It is characterized in that joining device and comprise leading screw, servomotor and balancing weight; Left end and right-hand member at the walking beam top are installed with left leading screw bearing spider and right leading screw bearing spider respectively; The left end of leading screw and right-hand member are installed in respectively in left leading screw bearing spider and the right leading screw bearing spider, on leading screw, are equipped with on servomotor, to be installed with balancing weight along the servomotor of leading screw move left and right.
5. dynamic equilibrium beam pumping unit according to claim 4 is characterized in that leading screw is a ball-screw.
6. according to claim 4 or 5 described dynamic equilibrium beam pumping units; It is characterized in that being installed with respectively on left leading screw bearing spider and the right leading screw bearing spider and join the device limit switch, the signal output part of limit switch is electrically connected through the limit signal input of lead and control device.
7. according to claim 1 or 2 or 3 or 4 or 5 described dynamic equilibrium beam pumping units, it is characterized in that through wire rope counterweight being installed on the left horse head.
8. dynamic equilibrium beam pumping unit according to claim 6 is characterized in that through wire rope counterweight being installed on the left horse head.
9. according to claim 1 or 2 or 3 or 4 or 5 described dynamic equilibrium beam pumping units, it is characterized in that control device comprises frequency converter, intelligent controller and controlling parameter operation-interface; The control signal output of intelligent controller is electrically connected with the control signal input of frequency converter through lead, and the three phase frequency changing power that linear electric motors or servomotor are supplied with by frequency converter drives.
10. dynamic equilibrium beam pumping unit according to claim 8 is characterized in that control device comprises frequency converter, intelligent controller and controlling parameter operation-interface; The control signal output of intelligent controller is electrically connected with the control signal input of frequency converter through lead, and the three phase frequency changing power that linear electric motors or servomotor are supplied with by frequency converter drives.
CN2011201952263U 2011-06-12 2011-06-12 Dynamic balance beam oil pumping unit Expired - Lifetime CN202117637U (en)

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Application Number Priority Date Filing Date Title
CN2011201952263U CN202117637U (en) 2011-06-12 2011-06-12 Dynamic balance beam oil pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201952263U CN202117637U (en) 2011-06-12 2011-06-12 Dynamic balance beam oil pumping unit

Publications (1)

Publication Number Publication Date
CN202117637U true CN202117637U (en) 2012-01-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102251761A (en) * 2011-06-12 2011-11-23 克拉玛依市博瑞科技发展有限公司 Dynamic balance beam pumping unit and using method thereof
CN103256026A (en) * 2013-05-24 2013-08-21 吕传庆 Single-horsehead pumping unit with chain traction mechanism
CN105134139A (en) * 2015-09-07 2015-12-09 西南石油大学 Crank balance automatic adjusting device of beam-pumping unit
RU2770704C1 (en) * 2021-04-20 2022-04-21 Эрнст Иванович Деникин Method for oil extraction using a bottom hole beam pumping unit and the design of the latter for the implementation of this method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102251761A (en) * 2011-06-12 2011-11-23 克拉玛依市博瑞科技发展有限公司 Dynamic balance beam pumping unit and using method thereof
CN102251761B (en) * 2011-06-12 2014-06-18 克拉玛依市博瑞科技发展有限公司 Dynamic balance beam pumping unit and using method thereof
CN103256026A (en) * 2013-05-24 2013-08-21 吕传庆 Single-horsehead pumping unit with chain traction mechanism
CN105134139A (en) * 2015-09-07 2015-12-09 西南石油大学 Crank balance automatic adjusting device of beam-pumping unit
RU2770704C1 (en) * 2021-04-20 2022-04-21 Эрнст Иванович Деникин Method for oil extraction using a bottom hole beam pumping unit and the design of the latter for the implementation of this method

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AV01 Patent right actively abandoned

Granted publication date: 20120118

Effective date of abandoning: 20140618

RGAV Abandon patent right to avoid regrant