CN201013573Y - Permanent magnetism synchronous non-gear-wheel driving screw pump type oil production machine - Google Patents
Permanent magnetism synchronous non-gear-wheel driving screw pump type oil production machine Download PDFInfo
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- CN201013573Y CN201013573Y CNU2007200310802U CN200720031080U CN201013573Y CN 201013573 Y CN201013573 Y CN 201013573Y CN U2007200310802 U CNU2007200310802 U CN U2007200310802U CN 200720031080 U CN200720031080 U CN 200720031080U CN 201013573 Y CN201013573 Y CN 201013573Y
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- screw pump
- oil
- closed loop
- main shaft
- polished rod
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Abstract
The utility model relates to a permanent magnet synchronous gearless traction screw pump oil extractor. The device adopts a radial and direct transmission or flexible closed loop steel wire rope radial transmission mode.The permanent magnet synchronous motor main shaft joints with the oil extraction rod shaft to extract oil through oil extracting rod traction screw pump; the main shaft of the tractor can be turned upwards; the flexible closed loop steel wire ropes in radical the main shaft rope wheel and the rod rope wheel; through switching on the oil extracting rod the screw pump is driven for operation and control a plurality of wells to work simultaneously. The control system of the device is designed to use axis of rotation to install a photoelectric rotating coder to collect rotating speed and angle signal; frequency, voltage, current through frequency conversion controller and programmable controller PLC can be adjusted to realize the control of rotating speed, starting and stopping. The utility has the advantages of energy saving, high efficiency and long working life etc., which can drive plurality of wells for oil extraction by one permanent magnet motor.
Description
Technical field
The utility model belongs to oil field equipment, is a kind of permanent magnetism synchronization gear wheel free drive screw pump formula oil production equipment that is used for ground, oil field pumping crude oil.
Background technique
Oil field screw pump formula oil pumping unit is to utilize the revolution of screw rod to come suction liquid, because being meshing with each other of screw rod and closely cooperating of screw rod and lining inwall between pump intake and exhaust port, will be separated into one or more seal spacies.Rotation and engagement along with screw rod, these seal spacies constantly form in the suction side of pump, wherein liquid-filled with in the suction chamber, and pass continuously to exhaust end along screw axial from suction chamber, the liquid that is enclosed in each space is constantly discharged, constantly pushed ahead when the thread-whirling just as a nut, it is to utilize the meshing principle of screw rod, rely on the screw rod of rotation in pump block, to be meshing with each other, the medium that is transferred is enclosed in the meshing chamber, along the screw axial continuously and smoothly be pushed into exhaust port, the flow and the rotating speed of screw pump are linear, with respect to slow-revving screw pump, though high-revolving screw pump can increase flow and lift, but power obviously increases, high rotating speed has quickened the abrasion between rotor and stator, must make the screw pump premature failure, and the rotor length of high rotating speed screw pump is very short, very easily wear and tear, thereby shortened the working life of screw pump.The practical experience rotating speed remains on 300 rev/mins below the commentaries on classics comparatively in the reasonable range, compares with the screw pump that runs up, and can prolong several times working life.
In existing technology, reduce rotating speed by speed reducer or fluid drive mechanism, motor drags the mode of speed regulation of speed reducer, the motor that per minute several thousand is changeed is by speed-change gear box, and making output speed is 300 rev/mins below the commentaries on classics, and there is mechanical loss in gear engagement, reduce transmission efficiency, need regular replacing easily damaged parts and clear up more oil change, increase maintenance cost and maintenance expense, also influence complete machine working life.Disclosed a kind of hydraulic transmission screw pump oil production machine patent, used and comprised motor, oil pump, fuel tank, pressure regulator valve, high pressure valve, pressure gauge etc., power oil inlet pipe, hydraulic motor, link to each other with hydraulic motor below the connection power oil inlet pipe under pressure gauge, power oil inlet pipe, the hydraulic motor return tube links to each other with fuel tank, hydraulic motor is connected with screw rod by shaft joint, screw rod is connected with the pump case conjugation, and this technical pattern part is many, and movement parts is many, therefore, install and use inconvenience, maintaining is frequent.Above-mentioned technology does not all have brake system, does not have function of stepless speed regulation, makes troubles for actual the use.
Summary of the invention
The utility model is for solving the deficiency of above-mentioned technology; the technological means that adopts comprises rare-earth permanent-magnet synchronous motor; main shaft; the main traction sheave that drives; electromagnetic brake; the band-type brake arm; optical rotary encoder; frequency-variable controller; control cabinet; the closed loop wire rope; polished rod transmission rope sheave; polished rod; sucker rod; screw pump; the tension adjustment wheel constitutes and professional well head system constitutes; be fitted in the main transmission rope sheave that drives traction sheave and polished rod upper end portion suit of rare earth permanent-magnet synchronization motor main shaft; flexibly connect with closed loop traction steel-cable snare; the tension adjustment wheel is set in the two-wheeled of closed loop traction steel-cable and snare; adjust steel wire rope loop heat and open the length variation that shrinkage brings; but flexible closed loop wire rope is through the main traction sheave snare a plurality of oil well polished rod transmission rope sheaves on every side that drive; driving many mouthfuls of aboveground polished rods rotates synchronously; the screw pump rotation that the down-hole polished rod is connected; the beneficial effect that this technology reaches is to install simply; starting; speed governing; it is convenient to shut down; the mechanical loss problem that had both solved the gear-box gear engagement has also solved the leakage of oil periodic replacement oil of hydraulic driving mode and high and loaded down with trivial details price and installation maintenance challenge; be a kind of simple; efficiently; energy-conservation; non-maintaining; low cost, the equipment of the oil recovery of synchronous drive individual well or many mouthfuls of subsurface progressive cavity rotations simultaneously.
The purpose of this utility model is achieved in that
The technological scheme that the purpose of this utility model adopted has changed the driving mode and the control mode of existing screw pump oil production machine; both in the structure that original motor drives, given up speed-changing gear box; avoid the hydraulic driving structure and had hydraulic motor; fuel tank; the easy oil leakage of high pressure fuel tap; mechanism's complexity; the loaded down with trivial details problem of maintenance is installed; its main feature is: drive system adopts rare-earth permanent-magnet synchronous motor directly to drive the polished rod drive wheel and drives the screw pump rotation by sucker rod; main driving traction sheave on the synchronous machine main shaft and polished rod transmission rope sheave adopt closed loop traction steel-cable circle to flexibly connect; establish the tension adjustment wheel in the two-wheeled of closed loop traction steel-cable circle and snare; adjust closed loop traction steel-cable circle and open the length variation that shrinkage brings because of heat; synchronous machine provides motive force by driving the main traction sheave that drives; flexible wire ropes flexibly connects the ground polished rod transmission rope wheel of oil well through main driving traction sheave; can distinguish the polished rod transmission rope sheave of many mouthfuls of wells of snare; sucker rod is axially connected in the polished rod lower end; the work of drive subsurface progressive cavity; the machine of realizing drives many mouthfuls of aboveground polished rods and rotates synchronously; electromagnetic brake; band-type brake device and permagnetic synchronous motor are assembled into integral body; form the power executive system; optical rotary encoder; frequency-variable controller; control cabinet connects; form signal processing and control system; what the utility model control system adopted is that motor rotation axis is installed optical rotary encoder; frequency-variable controller is gathered the pulse signal that optical rotary encoder provides rotating speed and angular displacement; carry out stroke detection and brake signal feedback; control cabinet by frequency-variable controller and programmable controller PLC is adjusted frequency; voltage; electric current; realization is exported torque to rare-earth permanent-magnet synchronous motor; rotating speed; start; shut down the control of action, finish startup; clockwise and anticlockwise; stepless speed regulation; normal and continuous operation; functions such as shutdown.
The permanent magnetism synchronization gear wheel free drive screw pump formula oil pumping unit of making according to such scheme, owing to adopted permanent magnetism synchronization gear wheel free traction actuation techniques, directly drive the ground polished rod roulette wheel rotation of oil well, given up gear reduction unit, adopted existing mature permanent-magnet synchronous traction frequency conversion control technique, guarantee the validity of screw pump formula oil pumping unit action control, cut down the consumption of energy, realized stepless speed regulation, reduce weight of equipment, reduce manufacture cost, and be easy to control, the operation installation and maintenance are simple.
Description of drawings
Fig. 1 radially rope sheave twin-well drive mechanism schematic representation of vertical shaft type of lying on the back
Fig. 2 diameter of axle is to combined type Mitsui drive mechanism schematic representation
The many wells of Fig. 3 connect the synchronous drive schematic top plan view
Be described further below in conjunction with 1,2,3 pairs of enforcements of the present utility model of accompanying drawing.
Embodiment
Referring to Fig. 1, structure of the present utility model comprises rare-earth permanent-magnet synchronous motor (1), main shaft (1-1), the main traction sheave (1-2) that drives, electromagnetic brake (1-3), band-type brake arm (1-4), optical rotary encoder (1-5), control cabinet (3), frequency-variable controller (4), closed loop wire rope (5), polished rod transmission rope sheave (6), polished rod (7), sucker rod (8), screw pump (9), tension adjustment wheel (10), and professional well head well system constitutes, rare earth permanent-magnet synchronization motor (1) is lain on the back and is fixed on the support plane, main shaft (1-1) vertically upward, the main traction sheave (1-2) that drives press-fits one with permagnetic synchronous motor main shaft (1-1), be installed in polished rod (7-1 on two mouthfuls of oil well ground, centre 7-2), electromagnetic brake (1-3) band-type brake arm (1-4) is contained in the both sides of rare-earth permanent-magnet synchronous motor (1) respectively, optical rotary encoder (1-5) is contained in an end of rare-earth permanent-magnet synchronous motor (1) main shaft (1-1), form a whole, elevator industry is referred to as permanent-magnet synchnorous gearless dragging machine, provide and start braked speed power, constitute power system, this system is connected with frequency-variable controller (4), frequency-variable controller (4) is installed in the control cabinet (3) that has PLC, constitute electric control system, polished rod (7-1,7-2) upper end portion is set with transmission rope sheave (6-1,6-2); Flexible closed loop wire rope (5-1,5-2) radially will be led driving traction sheave (1-2) and polished rod transmission rope sheave (6-1,6-2) snare flexibly connects; Rare-earth permanent-magnet synchronous motor (1) provides the main rotating power that drives traction sheave (1-2), drives polished rod transmission rope sheave (6-1,6-2) rotation synchronously; The sucker rod of axially connecting through polished rod (7-1,7-2) lower end (8-1,8-2) drives subsurface progressive cavity (9-1,9-2) rotation, recovers the oil equably continuously along screw axial.
Referring to Fig. 2, adopt shaft joint (11) axially to dock by rare earth permanent-magnet synchronization motor (1) main shaft (1-1) and oil-extractor polish-rod (7-0), main shaft (1-1) down, recover the oil by sucker rod (8-0) drive screw pump (9-0) rotation, can directly control single well production, this external main shaft (1-1) increases the casing pressure master and drives traction sheave (1-2), when directly driving this well polished rod (7-0) rotation, the also flexible closed loop traction steel-cable of synchronous drive (5-1,5-2,) polished rod transmission rope wheel (6-1 on the screw pump oil production motor-pumped well of two other well head of institute's snare, 6-2) drive polished rod (7-1,7-2,) rotation, realize that a permanent magnetic synchronous traction machine drives three mouthfuls of oil wells and recovers the oil simultaneously.
Other label declaration that relates among the figure: professional well head (2-1), sealing case (2-2), oil pick-up tube (12), sleeve pipe (13), locating stud (14), screen casing (15).
Referring to Fig. 3, main drive traction sheave (1-2) through flexible closed loop wire rope (5-1,5-2,5-3,5-4,5-5,5-6) but a plurality of oil well polished rod transmission rope sheaves (6-1,6-2,6-3,6-4,6-5,6-6) around the snare, the screw pump formula oil pumping unit of this structure makes a rare-earth permanent-magnet synchronous motor can drive many mouthfuls of aboveground polished rods (7-1,7-2,7-3,7-4,7-5,7-6) rotation synchronously, realize many wells synchronous oil recovery simultaneously, reduce equipment investment, improve oil recovery efficiency.Establish tension adjustment wheel (10-1,10-2,10-3,10-4,10-5,10-6) between the two-wheeled (1-2,6-1,6-2,6-3,6-4,6-5,6-6) of closed loop traction steel-cable circle (5-1,5-2,5-3,5-4,5-5,5-6) and snare, adjust steel wire rope loop heat and open the length variation that shrinkage brings.
Claims (3)
1. a permanent magnetism synchronization gear wheel free drive screw pump formula oil pumping unit comprises rare-earth permanent-magnet synchronous motor (1), main shaft (1-1), the main traction sheave (1-2) that drives, electromagnetic brake (1-3), band-type brake arm (1-4), optical rotary encoder (1-5), frequency-variable controller (3), control cabinet (4), closed loop wire rope (5), polished rod transmission rope sheave (6), polished rod (7), sucker rod (8), screw pump (9), tension adjustment wheel (10) and professional well head system constitute, and it is characterized in that: the main transmission rope sheave (6) that drives traction sheave (1-2) and polished rod (7) upper end portion suit that is fitted in rare earth permanent-magnet synchronization motor (1) main shaft (1-1) flexibly connects with closed loop traction steel-cable (5) snare.
2. permanent magnetism synchronization gear wheel free drive screw pump formula oil pumping unit according to claim 1 is characterized in that: tension adjustment wheel (10) is set in the two-wheeled (1-2,6) of closed loop traction steel-cable (5) and snare.
3. permanent magnetism synchronization gear wheel free drive screw pump formula oil pumping unit according to claim 1, it is characterized in that: flexible closed loop wire rope (5-1,5-2,5-3,5-4,5-5,5-6) drives traction sheave (1-2) but a plurality of oil well polished rod transmission rope sheaves (6-1,6-2,6-3,6-4,6-5,6-6) around the snare through main, drives many mouthfuls of aboveground polished rods (7-1,7-2,7-3,7-4,7-5,7-6) and rotates synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200310802U CN201013573Y (en) | 2007-01-22 | 2007-01-22 | Permanent magnetism synchronous non-gear-wheel driving screw pump type oil production machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200310802U CN201013573Y (en) | 2007-01-22 | 2007-01-22 | Permanent magnetism synchronous non-gear-wheel driving screw pump type oil production machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013573Y true CN201013573Y (en) | 2008-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200310802U Expired - Fee Related CN201013573Y (en) | 2007-01-22 | 2007-01-22 | Permanent magnetism synchronous non-gear-wheel driving screw pump type oil production machine |
Country Status (1)
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| CN (1) | CN201013573Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108847A (en) * | 2011-01-17 | 2011-06-29 | 濮阳市威克瑞石油机械制造有限公司 | Dual well balance type hydraulic pumping unit and working method thereof |
| CN102418501A (en) * | 2012-01-04 | 2012-04-18 | 王宇博 | Indirectly driven traction type pumping unit |
| CN102638219A (en) * | 2012-04-10 | 2012-08-15 | 武汉长海电气科技开发有限公司 | Permanent magnet drive system of flotation machine |
| CN111123768A (en) * | 2019-12-12 | 2020-05-08 | 国网浙江省电力有限公司紧水滩水力发电厂 | Dam crest portal crane auxiliary alignment system and method |
| RU2778764C1 (en) * | 2022-03-31 | 2022-08-24 | Эрнст Иванович Деникин | Pumping unit for oil production |
-
2007
- 2007-01-22 CN CNU2007200310802U patent/CN201013573Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108847A (en) * | 2011-01-17 | 2011-06-29 | 濮阳市威克瑞石油机械制造有限公司 | Dual well balance type hydraulic pumping unit and working method thereof |
| CN102418501A (en) * | 2012-01-04 | 2012-04-18 | 王宇博 | Indirectly driven traction type pumping unit |
| CN102638219A (en) * | 2012-04-10 | 2012-08-15 | 武汉长海电气科技开发有限公司 | Permanent magnet drive system of flotation machine |
| CN102638219B (en) * | 2012-04-10 | 2015-02-04 | 武汉长海电气科技开发有限公司 | Permanent magnet drive system of flotation machine |
| CN111123768A (en) * | 2019-12-12 | 2020-05-08 | 国网浙江省电力有限公司紧水滩水力发电厂 | Dam crest portal crane auxiliary alignment system and method |
| CN111123768B (en) * | 2019-12-12 | 2021-02-12 | 国网浙江省电力有限公司紧水滩水力发电厂 | Dam crest portal crane auxiliary alignment system and method |
| RU2778764C1 (en) * | 2022-03-31 | 2022-08-24 | Эрнст Иванович Деникин | Pumping unit for oil production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAANXI JINFUYUAN INVESTMENT CO., LTD. Free format text: FORMER OWNER: CUI GANGDU Effective date: 20110421 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710068 SCHOOL OF FOREIGN TRADE, NO. 17, LE NAN ROAD, BEILIN DISTRICT, XI ANCITY, SHAANXI PROVINCE TO: 710054 A19-E, TOWER A, NORTHWEST NEWS BUILDING, NO. 208, EAST SECTION, SOUTH 2RD RING ROAD, YANTA DISTRICT, XI AN CITY, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110421 Address after: 710054 A, northwest News Building, 208 east section of South Second Ring Road, Yanta District, Shaanxi, Xi'an province A19-E Patentee after: Shaanxi Jinfuyuan Investment Co.,Ltd. Address before: Beilin District in Shaanxi province Xi'an City Lok Road 710068 No. 17 Institute of foreign trade Patentee before: Cui Gangdu |
|
| DD01 | Delivery of document by public notice |
Addressee: Shaanxi Jinfuyuan Investment Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20120122 |