CN2544097Y - Cylinder type straight line motor driven oil suction machine - Google Patents
Cylinder type straight line motor driven oil suction machine Download PDFInfo
- Publication number
- CN2544097Y CN2544097Y CN 02238691 CN02238691U CN2544097Y CN 2544097 Y CN2544097 Y CN 2544097Y CN 02238691 CN02238691 CN 02238691 CN 02238691 U CN02238691 U CN 02238691U CN 2544097 Y CN2544097 Y CN 2544097Y
- Authority
- CN
- China
- Prior art keywords
- frame
- linear
- oil pumper
- linear motor
- spring
- 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 - Fee Related
Links
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 241000269793 Cryothenia peninsulae Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
Images
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
A cylinder-shaped linear pumping unit driven by a motor consists of a frame, a linear motor, a suspending rope device, a steel wire and a sucker rod. The linear motor is a cylinder-shaped linear motor, and a mover does an upper and lower motion vertically. One end of the steel wire passes by a pulley block on the frame, and the suspending rope device is connected with the sucker rod; the other end of the steel wire is connected with a balanced frame of the mover of the linear motor. An appropriate counterweight is installed in the balanced frame, the upper end of which is provide with a spring frame. The pumping unit is characterized by good energy-saving effect, small volume and saving of materials consuming, saving a great deal of energy and land use as well as convenient maintenance, etc.
Description
Technical field
The utility model relates to the oil exploitation instrument, is that a kind of cylindrical linear that is suitable for recovering the oil on ground, oil field drives oil pumper.
Background technology
The beam pumping unit of oil field extensive use at present is by quadric chain motor to be rotatablely moved to be converted into pumping of sucker rod, drives downhole pump work.Beam pumping unit complex structure weight is big, adjusts difficulty, and power demand is big, and system effectiveness is low.
That Chinese patent 96217683.9 discloses the is a kind of " oil pumper that adopts linear electric motors to drive; the sucker rod that this oil pumper links to each other with downhole pump is to be fixed on the linear motor rotor of hollow structure with deck; the locating piece on the linear motor rotor leans against on the limited post; keep the electromagnetism air gap and set upright well casing; the wire rope on frame passes through pulley two termination deck and balancing weights, balance rod weight and fluid column weight.Because the linear electric motors of oil pumper are fixed on well head, aboveground operational difficulty, in case power failure or mistake are carried, can not realize brake or braking, increased system's unsafe factor,, and only be applicable to middle posthole because motor is imitated the purpose of saving that do not reach on the low side, after this electric machine structure is established, rely on to change the parameter of electric machine to regulate oil well production working system difficulty big.
That Chinese patent 99256966.4 discloses is a kind of, and " linear electric motors drive blue elephant; this oil pumper adopts inclined to one side flat pattern linear electric motors; the mover that drives it is difficult to guarantee the electromagnetism air gap by four pairs of miniature rollers, and the intrinsic end effect of flat pattern linear electric motors makes efficiency of motor and power factor lower partially.This oil pumper is contained in the buffer spring height at top and can not regulates, and does not have cushioning effect when changing stroke.Screw rod is shaken in the frame utilization of this oil pumper moves frame on base, so that abdicate pithead position, this makes the complex structure of base, and Huo Dong frame reduces the stability of frame and the reliability of work greatly in addition.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and provides a kind of volume little, and is in light weight, energy-efficient, easy to adjust, and the cylindrical linear of being convenient to keep in repair drives oil pumper.
The purpose of this utility model realizes with following method, it is by frame, be placed in the linear electric motors on the frame, polished rod eye, wire rope, sucker rod is formed, linear electric motors are cylindrical linear, its mover is done vertical up-or-down movement along the linear motor stator electric of the pipe shape that passes its endoporus: wire rope one end is by the assembly pulley on the frame, polished rod eye is connected with sucker rod, the other end connects the equalization frame of linear motor rotor, and an amount of balance weight is housed in the equalization frame, and the spring(-supported) mount of band spring is equipped with on its top.
Stator of described linear electric motors (elementary) and mover (secondary) are cylinder type, and for being arranged vertically.
Described cylindrical linear drives oil pumper, it is characterized in that described linear motor rotor upper end in succession mutually spring(-supported) mount and together motion, and the top of frame is provided with a height adjustable link stopper.
On the equalization frame under the described spring(-supported) mount directive wheel is housed.The assembly pulley in described left side can upwards change 90 ° by the hinge on frame; Be provided with a control cabinet in the bottom of frame (8) in addition, which is provided with balance detecting device.
The balance weight of the utility model oil pumper is by the dead-weight balanced frame weight of linear motor rotor itself, and balance weight weight and buffering are formed with weight four parts of spring(-supported) mount, and the weight of the available plus-minus balance weight of the adjustment of balance weight is finished.The quantity of balance weight weight plus-minus is realized by the balance detecting device that is located in the control cabinet.
The setting of the buffer spring of the utility model oil pumper, the buffer spring of bottom is contained on the base, spring housing outside linear motor stator electric with linear motor stator electric on same center line.The top buffer spring is formed spring(-supported) mount by four compression springs and is contained on the equalization frame and pumps with equalization frame and linear motor rotor, at the fixing shelves of frame iron, pressure when bearing spring(-supported) mount and making progress, the height of link stopper can be adjusted to adapt to the requirement of different strokes, buffer spring removes can alleviate linear motor rotor when up-down stroke stops, impact to frame also can produce bounce outward, reduces the thrust that linear electric motors start.
The utility model compared with prior art has following technique effect: 1, adopt cylindrical linear to drive, eliminated inclined to one side flat pattern linear electric motors intrinsic end effect, the stator of linear electric motors, use sliding bearing between the mover, can guarantee the electromagnetism air gap between fixed, the mover, and the electromagnetism air gap can reduce, efficiency of motor and power factor height, and power savings is good.2, the mover of linear electric motors participates in the part that balance is a balance weight, reduces to add balance weight weight.3, the stroke of oil pumper, jig frequency can be regulated arbitrarily by frequency that changes the linear electric motors input current and conduction time.4, can measure the equilibrium condition of oil pumper and the counterpoise that should add and subtract at any time, in time adjust balance.5, the volume of oil pumper is little, and is in light weight, and consumptive material is economized, and saves a large amount of energy and floor space.6, use is easy to maintenance.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that side of the present utility model is shown structural representation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: the utility model is placed in the linear electric motors on the frame mainly by frame 8, polished rod eye 3, and wire rope 4, sucker rod 2 is formed.The utility model oil pumper adopts cylindrical linear as drive motors, it by have cylinder type that ring-shaped core and pancake coil constitute elementary be electric mover 12 and by steel pipe overcoat copper pipe be composited tubular secondary be that motor stator 10 is formed, and for being arranged vertically, its mover (elementary) 12 is done vertical up-or-down movement along the linear motor stator electric (secondary) 10 of the pipe shape that passes its endoporus: between fixed, mover sliding bearing is arranged, keep the electromagnetism air gap between fixed, the mover.One end of wire rope 4 is connected with sucker rod 2 by assembly pulley, the polished rod eye 3 on the frame 8, and the other end connects the equalization frame 14 of linear motor rotor 12, and an amount of balance weight 13 is housed in the equalization frame 14, and the spring(-supported) mount 11 of band spring is equipped with on its top.Described assembly pulley includes bearing support 6 fixing on the frame, the pulley 7 on it.Also have well casing 1 shown in the figure, and the compression spring 16 of frame lower.
Described linear motor rotor 12 upper ends in succession mutually spring(-supported) mount 14 and together motion, the top of frame 8 is provided with a height adjustable link stopper 9.
On the equalization frame under the described spring(-supported) mount 11 directive wheel 15 is housed.The assembly pulley in described left side can upwards change 90 ° by the hinge 5 on frame; Be provided with a control cabinet 17 in addition in the bottom of frame 8, which is provided with balance detecting device.
Stator passes the endoporus of mover and is vertically fixed on the frame, and mover is in vertical reciprocating motion along stator, and an end of two wire rope 4 is connected with polished rod eye 3 sucker rods 2 by two groups of pulleys 7.The other end is connected the pulling force that transmits by balance weight and linear electric motors generation with linear motor rotor and equalization frame, make oil pumper work.Balance weight is conducted oneself with dignity by linear motor rotor 12, equalization frame 14 weight, and balance weight 13 weight and buffer spring frame 11 weight four parts are formed.Together along with linear motor rotor pumps.
The utility model oil pumper is provided with special-purpose balance detecting device in control cabinet, can measure degree of balance size at any time and need the balance weight weight of plus-minus in time to adjust balance.
Buffer spring when upper and lower stroke stops, be compressed can slow down electric mover to the impact of frame, can store part energy again and produce bounce, reduce linear electric motors and start thrust.Buffer spring frame 11 with electric mover move, its stroke is exactly the stroke of electric mover, when regulating stroke, adjusts the frame tile height that performs thereupon, the spring(-supported) mount pressurized plays cushioning effect when guaranteeing that electric mover arrives the summit.
The course of work of the utility model oil pumper: behind the stroke and jig frequency of setting oil pumper, start linear electric motors, electric mover drives upwards operation of balance weight, and at this moment counterpoise G subtracts thrust F＜polished rod load Wr that linear electric motors make progress.Polished rod load Wr is a rod weight, it moves downward sucker rod greater than the total balance weight of oil pumper (G-F) to be down stroke, when under the sucker rod during to minimum point on the linear motor rotor to peak, link stopper contact spring pressurized energy storage on buffer spring frame and the frame, noncontacting switch commutation simultaneously changes the linear electric motors sense of current, linear motor rotor is moved downwards, at this moment counterpoise G adds the downward thrust of linear electric motors＞polished rod load Wr+Wf, this moment polished rod load to be the heavy Wf of the heavy Wr+ fluid column of sucker rod pass through assembly pulley by the pulling force of the thrust sum generation of balance of well pumping unit weight G and linear electric motors, polished rod eye, the upwards operation of pulling sucker rod, be upstroke, when sucker rod is up to peak, the mover of linear electric motors goes downwards to extreme lower position, the commutation of compression spring energy-storage noncontacting switch this moment, linear motor rotor upwards operation begins again the next cycle, and circulation is more than.
When the frequency that changes electric current with conduction time oil pumper can obtain different strokes and jig frequency easy to adjust.
When the need well workover, a pair of pulley of frame upper left side upwards can be changeed 90 ° around hinge, get out of the way pithead position, be convenient to maintenance.
Claims (6)
1, a kind of cylindrical linear drives oil pumper, it is by frame, be placed in the linear electric motors on the frame, polished rod eye, wire rope, sucker rod is formed, it is characterized in that described linear electric motors are cylindrical linear, its mover is done vertical up-or-down movement along the linear motor stator electric (10) of the pipe shape that passes its endoporus: wire rope (4) one ends are by the assembly pulley on the frame (7), polished rod eye (3) is connected with sucker rod, the other end connects the equalization frame (14) of linear motor rotor (12), and an amount of balance weight (13) is housed in the equalization frame (14), and the spring(-supported) mount (11) of band spring is equipped with on its top.
2, cylindrical linear according to claim 1 drives oil pumper, it is characterized in that the stator (elementary) (10) of linear electric motors and mover (secondary) (12) are cylinder type, and for being arranged vertically.
3, cylindrical linear according to claim 1 and 2 drives oil pumper, it is characterized in that described linear motor rotor (12) upper end in succession mutually spring(-supported) mount (11) and together motion, and the top of frame (8) is provided with a height adjustable link stopper (9).
4, cylindrical linear according to claim 3 drives oil pumper, it is characterized in that on the equalization frame (14) under the spring(-supported) mount (11) directive wheel (15) being housed.
5, cylindrical linear according to claim 1 drives oil pumper, it is characterized in that the assembly pulley (7) in left side can upwards change 90 ° by the hinge (5) on frame.
6, cylindrical linear according to claim 5 drives oil pumper, it is characterized in that the bottom of frame (8) is provided with a control cabinet, which is provided with balance detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238691 CN2544097Y (en) | 2002-06-13 | 2002-06-13 | Cylinder type straight line motor driven oil suction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238691 CN2544097Y (en) | 2002-06-13 | 2002-06-13 | Cylinder type straight line motor driven oil suction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2544097Y true CN2544097Y (en) | 2003-04-09 |
Family
ID=33712313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02238691 Expired - Fee Related CN2544097Y (en) | 2002-06-13 | 2002-06-13 | Cylinder type straight line motor driven oil suction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2544097Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7663270B2 (en) | 2004-05-18 | 2010-02-16 | Kabushiki Kaisha Yaskawa Denki | Canned linear motor armature and canned linear motor |
| CN101951122A (en) * | 2010-08-19 | 2011-01-19 | 常州大学 | Precision linear driving device for steel wire rope |
| CN103334719A (en) * | 2013-07-12 | 2013-10-02 | 李洪伟 | Solar magnetic-levitation pumping unit |
| CN104421114A (en) * | 2013-08-21 | 2015-03-18 | 昆山中慈工控科技开发有限公司 | Active control interconversion system for kinetic energy of moving part and elastic potential energy of spring |
| CN108585232A (en) * | 2018-05-18 | 2018-09-28 | 芜湖慧宇商贸有限公司 | Energy-efficient heavy duty detergent water-ploughing machine |
| CN108590592A (en) * | 2018-07-02 | 2018-09-28 | 河北国创石油设备有限公司 | Linear motor oil pumping device for downhole |
-
2002
- 2002-06-13 CN CN 02238691 patent/CN2544097Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7663270B2 (en) | 2004-05-18 | 2010-02-16 | Kabushiki Kaisha Yaskawa Denki | Canned linear motor armature and canned linear motor |
| CN1954477B (en) * | 2004-05-18 | 2010-06-16 | 株式会社安川电机 | Canned linear motor armature and canned linear motor |
| CN101951122A (en) * | 2010-08-19 | 2011-01-19 | 常州大学 | Precision linear driving device for steel wire rope |
| CN103334719A (en) * | 2013-07-12 | 2013-10-02 | 李洪伟 | Solar magnetic-levitation pumping unit |
| CN104421114A (en) * | 2013-08-21 | 2015-03-18 | 昆山中慈工控科技开发有限公司 | Active control interconversion system for kinetic energy of moving part and elastic potential energy of spring |
| CN108585232A (en) * | 2018-05-18 | 2018-09-28 | 芜湖慧宇商贸有限公司 | Energy-efficient heavy duty detergent water-ploughing machine |
| CN108590592A (en) * | 2018-07-02 | 2018-09-28 | 河北国创石油设备有限公司 | Linear motor oil pumping device for downhole |
| CN108590592B (en) * | 2018-07-02 | 2024-05-24 | 河北国创石油设备有限公司 | Downhole linear motor pumping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2467821Y (en) | Beam-pumping unit driven by linear motor | |
| CN2544097Y (en) | Cylinder type straight line motor driven oil suction machine | |
| CN102146781A (en) | Folding frame type oil pumping unit | |
| US4306463A (en) | Long stroke pump jack | |
| CN2412105Y (en) | Linear motor driven non-beam pumping unit | |
| CN202325429U (en) | Long-stroke dual-well oil pumping unit | |
| CN201391285Y (en) | Outer cycloidal walking-beam type oil pumping unit | |
| CN200946492Y (en) | Double well hydraulic oil pump unit | |
| CN208884516U (en) | A kind of Traffic Engineering Construction stable piling machine | |
| CN1087059C (en) | Pumping unit and oil-pumping method | |
| CN2409351Y (en) | Beam pump driven by ac linear motor | |
| CN2169708Y (en) | Rocker Wheeled Double Well Pumping Unit | |
| CN202073537U (en) | Energy saving twin-well eoil-pumping unit | |
| CN202467777U (en) | Hydraulic energy-saving beam-pumping unit | |
| CN2523950Y (en) | Hydraulic energy-saving oil sucker | |
| CN2284867Y (en) | Linear motor driven beam-pumping unit | |
| CN201133237Y (en) | Double well oil pumping machine | |
| CN200946495Y (en) | Slant-pull double side position-moving type vertical pumping unit | |
| CN2773308Y (en) | Intelligent linked pumping unit of well mouth | |
| CN100414070C (en) | Automatic torque-changing pumping unit | |
| CN219795223U (en) | Double-chain pumping unit with reversing mechanism | |
| CN1425845A (en) | Derictly driven hoisting sheave oil pump unit | |
| CN223562787U (en) | Pulley-lift type hydraulic pumping unit | |
| CN223678790U (en) | Jack full stroke no-load test equipment | |
| CN223562788U (en) | Hydraulic oil pumping unit with pulley block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Hu Lixiang Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |