CN103670339A - Belt and steel wire rope combined traction digitized energy-saving pumping unit - Google Patents
Belt and steel wire rope combined traction digitized energy-saving pumping unit Download PDFInfo
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- CN103670339A CN103670339A CN201310587188.XA CN201310587188A CN103670339A CN 103670339 A CN103670339 A CN 103670339A CN 201310587188 A CN201310587188 A CN 201310587188A CN 103670339 A CN103670339 A CN 103670339A
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Abstract
A belt and steel wire rope combined traction digitized energy-saving pumping unit is composed of a machine frame, an upper platform, a motor, a brake system, a traction system, a balance weight system, a control system, a safety mechanism and a folding abdicating mechanism. The motor is a low-rotating-speed high-torque rare-earth permanent magnet synchronous motor with an outer rotor, belt drive wheels are coaxial with the motor and arranged on the two sides of the motor, the lower end of a front belt and the lower end of a rear belt are in the opposite winding directions and wound on a motor drive wheel, the upper ends of the belts are connected with steel wire ropes through connecting devices, the other ends of the two steel wire ropes are connected with a suspension point load and a balance weight respectively, and therefore the traction system is obtained. The motor rotates forward and backward so that the pumping unit can reciprocate, the forward rotation and backward rotation of the motor and the running speed of the motor are controlled by the control system according to a digitized program, the brake system is arranged on the outer edge of the outer rotor of the motor, and the folding abdicating mechanism is arranged on the front side of the upper platform. The pumping unit saves energy, and is environmentally friendly, safe and reliable, and labor intensity of workers is lowered.
Description
Technical field
The present invention relates to the oil pumper in the petroleum machinery of oil field, relate in particular in petroleum recovering machinery without beam pumping unit.
Background technology
Current known oil pumper has beam pumping unit and without beam pumping unit.The former is traditional oil pumper, has used more than 100 year, have advantages of sturdy durable, but low load with strong power, drive path is long, mechanical efficiency is low, energy consumption is high, adjusts ginseng difficulty, is not suitable with sving long-stroke-distance low-stroke time occasion.The latter is that relevant research staff is actual in conjunction with oil field closely during the last ten years, successively develop without beam pumping unit.(patent No.: 200620085856.4), this oil pumper has long stroke, low jig frequency are applicable to large pump extract, and little pump is taken out occasion deeply, and thickened oil recovery, more sturdy in the market the wide belt type pumping unit of a kind of intelligence.The larger a kind of type of popularization amount in blue elephant at present.But power still adopts the motor of beam pumping unit same size, still belong to low load with strong power.And have a set of loaded down with trivial details mechanical reversing mechanism, efficiency is low, and noise is large.Transmission mechanism is still used reduction box, and reduction box is to be placed on ground, easily by lawless person, is stolen lubrication oil, if lubrication oil can not find in time after stolen, easily cause burn-out of bearing, finally cause reduction box to be scrapped.Also exist in addition belt to meet the shake of wind chatter, have potential safety hazard.Shaft mouth operation needs to move after complete machine, and telephone-moving is inconvenient.Maintenance difficulty while breaking down, complete machine high in cost of production defect.
Summary of the invention
In order to overcome the above-mentioned defect of the wide belt type pumping unit of existing intelligence, the invention provides a kind of belt wire rope combination elevator digitlization energy-saving pumping unit, can delete loaded down with trivial details mechanical reversing mechanism, reducing gear, thereby make Pumping Unit simpler, regulate more convenient.Reach reliable, energy-conservation, environmental protection, efficient, digital control, intellectual management.
The technical solution adopted for the present invention to solve the technical problems: the compound elevator digitlization of belt wire rope energy-saving pumping unit consists of frame, upper mounting plate, motor, brake system, trailer system, Weighting system, control system, release mechanism, the folding mechanism that steps down.Motor adopts outer rotor slow-speed of revolution high-torque rare earth permanent-magnet synchronization motor, motor two ends are belt drives wheels, belt is around to according to front and back contrary winding each other, as trailer system, in frame, adopt belt, in frame, adopt wire rope outward, at belt, be connected part with wire rope and adopt special linkage.The reciprocating motion of oil pumper is formed by the rotating of motor own, and the rotating of motor and the speed of service are programme controlled according to digitlization by control system, in the outer rotor outer rim of motor, brake system is set.
Described frame, is designed to pylon form, as the carrier of oil pumper.Described upper mounting plate is the top structure of frame, and as the base of front and back fixed pulley, this bottom seat foldable is that oil well operation is abdicated space.
Described dynamical system, designs a kind of outer rotor low rotation speed large torque rare earth permanent-magnet synchronization motor, and matches with frequency converter control system, at outer roller axial both sides design driven wheel, due to rotating speed < 25rpm, therefore without reductor.Directly, by dynamic power machine, gearing, work mechanism three machine unifications, drive path is 0, because mechanical efficiency is high, adopts balance-type type balancing in addition, therefore power of motor is provided as 50% of same model beam pumping unit, intelligent broadband oil pumper.
Described trailer system, mode of traction is elevator, is applicable to thickened oil recovery, large pump extract, little pump is taken out deeply.That each fixes four belts on the driving wheel of external rotor electric machine both sides, two of front sides, two of rear sides, their winding directions on motor driving wheel are contrary each other, middle two is clockwise winding, and two of both sides are counterclockwise windings, and the lower end of front side belt is fixed on motor driving wheel, the other end and wire rope link, and are connected after walking around upper mounting plate fixed pulley with front side polished rod eye.The lower end of rear side belt is fixed on motor driving wheel, and the other end and wire rope link, and is connected after walking around upper mounting plate fixed pulley with counterweight.During electric machine rotation, if clockwise, two middle belts are rolled on motor driving wheel, and the suspending point loading of front side is risen to top dead centre from lower dead center, and two belts of both sides discharge on motor driving wheel, and rear side counterweight is transferred to lower dead center from top dead centre.
Described brake system, be the brake gear of a kind of mechanical-electrical-hydraulic integration of design, it is mounted in the outer rim of external rotor electric machine, and this brake gear is designed to normally closed type, when needs are opened band-type brake, it is electric that energising obtains magnet coil, attracts fork to control band-type brake and open, and makes machine operation, during when needs parking or because of scram, stop to magnet coil power supply, magnet coil dead electricity is lost suction, and band-type brake is just held motor tightly under the effect of spring.
Described Weighting system, it is the device balancing each other with oil pumper front side polished rod suspending point loading, its weight is the average of the maximum load of suspending point loading while mentioning and the minimum load while transferring, during oil pumping machine oil pumping, well head operating mode changes at any time, therefore should make regular check on its balance, not periodic adjustment.Weighting system is to consist of upper and lower two fixed weight and adjustable counter balance, and method is to carry out counterweight adjusting according to upper and lower stroke difference between current, if front side ascending current is large, rear side counterweight ascending current is little, illustrates that balance weight is light, and reply counterweight is gained in weight, otherwise, tackle counterweight and reduce weight.Oil pumper is mounted in field, to counterweight, also will design erection device, prevents from as strong wind, counterweight being caused and being rocked.For safety, at frame bottom, protection fence should be set, prevent that people and animals from entering counterweight below.In addition when oil well operation need to unload extension load, when being run to lower dead center, front side polished rod eye stops, now, counterweight is in top dead centre, in order to unload, hanging loads coordinates without crane, on the following corresponding guide rail of counterweight, plug two pins and restart oil pumper, counterweight is seated on pin, just can unload safely and hang load in front.
Described control system, is by frequency converter, PLC and up-down stroke position sensor, motor electrical quantity sensor, the centralized control system that suspending point loading pressure sensor equal altitudes is integrated.Motor electrical quantity is the parameters such as electric current, voltage, frequency, by the analysis to the parameter of electric machine, can analyze the degree of balance, when upper and lower stroke difference between current value is in allowed band, oil pumper can normally be worked, when difference between current surpasses 15%, control system just can be sent the signal of adjustment, the adjustment of should sending someone in time after operator on duty learns.Control system and motor, brake motor and various sensor are connected with wire in order with cable.The operating principle of this type oil pumper is as follows, when control system is powered to motor, brake motor connects the moment after electricity, unclamp slips to motor constraint relief, work drive motor is entry into service just, supposes that motor clockwise rotates, and belt is with driving wheel elevator, so drive front side suspending point loading to move to top dead centre, rear side belt is being dragged counterweight and is being moved to lower dead center.When polished rod eye runs to top dead center position, top dead center position sensor just by signal feedback to control system, reverse power transmission immediately, so motor just rotates counterclockwise, thereby belt drives counterweight to move to top dead centre, and front side suspending point loading moves to lower dead center under Action of Gravity Field.When suspending point loading runs to lower dead center, bottom dead center position sensor transfers signals to again control system, thereby makes decelerating through motor commutation, so motor just clockwise rotates again, so go round and begin again, motor just drives sucker rod, oil well pump that crude oil is drawn into ground continually from underground.
The described folding system of stepping down is in the front side of upper mounting plate, to design collapsible fixed pulley base, during shaft mouth operation in order to abdicate space to workover rig, first oil pumper front side polished rod hanger is run to lower dead center, sinker is dropped on guide rail pin, utilize optical-rod clamp to transfer on well head polished rod load again, then polished rod is unloaded from polished rod eye, again wire rope is untied from the movable pulley of upper mounting plate front side, upper around linking up with to front base end from middle fixed pulley again, utilize oil pumper self power to be sling.
The invention has the beneficial effects as follows apparent, the one, in structure, deleted mechanical switching mechanism, deleted reductor, make this type Pumping Unit simpler, improve mechanical efficiency, reduce noise, eliminate oil leak and pollute.The 2nd, design rare earth permanent magnet outer rotor synchronous motor and high concentration degree frequency-changing control system, it is only 50% of same model beam-pumping unit, intelligent broadband oil pumper that power of motor is equipped with, controlling motor directly commutates and realizes soft start, motor power factor is high, power saving rate is high, regulation technology parameter is convenient and swift, is convenient to automation and controls.The 3rd, adopt balance-type type balance, and dynamically record the degree of balance by control system, regulate in time, power savings is remarkable.The 4th, counterweight and guide rail are adopted to large gap noncontact form centralizer, neither consume energy and noiselessness.The 5th, when oil pumper needs shaft mouth operation, sinker can be dropped on pin, be convenient to polished rod eye and unload and hang load in lower dead center.The 6th, adopt upper mounting plate fold mechanism, without complete machine telephone-moving, greatly facilitate shaft mouth operation, save manpower, reduce labor intensity.The 7th, trailer system adopts belt and wire rope combination elevator, can greatly improve the steady commutation of motor and energy-conservation.The 8th, oil pumper is safeguarded without crane and is coordinated, saves maintenance cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this belt wire rope combination traction digitlization energy-saving pumping unit is further described:
Fig. 1 is the structure diagram of the wide belt type pumping unit of existing intelligence;
Fig. 2 is structure chart of the present invention;
Fig. 3 is outer rotor rare-earth permanent-magnet electric machine structure chart
Fig. 4 is that counterweight is located in the front view on pin when well head unloads extension load;
Fig. 5 is that counterweight is located in the left view on pin when well head unloads extension load;
Fig. 6 is the folding mechanism that steps down;
Fig. 7 is wire rope and belt connecting device;
Fig. 8 is guide rail front view;
Fig. 9 is guide rail left view.
In figure: 1, upper mounting plate; 2, fixed pulley; 3, trailer system; 4, frame; 5, wire rope; 6, belt; 7, counterweight; 8, guide rail; 9, pin; 10, motor; 11, brake system; 12, concrete basis; 13, control system; 14, polished rod eye; 15, pressure sensor; 16, square clamp; 17, linkage; 18, the folding mechanism that steps down.
The specific embodiment:
In Fig. 2 embodiment: are 1. upper mounting plates of oil pumper, are welded with shaped steel, upper mounting plate 1 is the base of fixed pulley 2, and it is mounted in frame 4.Frame 4 is carriers of oil pumper, uses shaped steel manufacture, and it is mounted on concrete basis 12.The 2nd, fixed pulley, fixed pulley utilizes MC to make, and fixed pulley seat utilizes cast steel manufacture.Fig. 3 is motor 10 structure charts, and this design of electrical motor becomes a kind of outer rotor low rotation speed large torque rare earth permanent-magnet synchronization motor.Motor 10 is arranged on concrete basis 12, and motor 10 both sides arrange driving wheel, for flexible strap transferring power.Outer rotor outer rim at motor 10 is installed brake system 11.The power of motor 10 transmits by belt, wire rope, fixed pulley.The 3rd, trailer system, adopts belt and wire rope combination elevator, and belt 6 is fixed on motor 10 driving wheels, and one end, front side and wire rope 5 links, be connected with polished rod eye 14 after walking around upper mounting plate fixed pulley 2.Rear side one end and wire rope 5 links, and is connected after walking around upper mounting plate fixed pulley 2 with counterweight 7, when motor 10 clockwise rotates, together turns round with the two ends driving wheel of motor coaxle, by elevator and the release of driving wheel, suspending point loading 14 mentioned, and counterweight 7 is put down.Belt 6 elevator during with motor forward on driving wheel, discharges during reversion, and when polished rod eye is during in top dead centre, front side belt is rolled on driving wheel, and diameter is in maximum, and rear side counterweight belt has discharged on driving wheel, and diameter is in minimum.Now in commutation states, if negligible friction, anterior-posterior balance degree in 100% time, drives without motor, and oil pumper can complete commutation automatically, is therefore beneficial to energy-conservation and steady commutation.The 11st, brake system; in order to guarantee that oil pumper is in running; run into overload or lose and carry; during the situations such as power failure; control system 13 is according to the instruction automatic stopping protection of control system, once have a power failure, brake motor has a power failure simultaneously; band-type brake can be in moment under spring action by motor braking, thereby guarantee the complete machine safety of oil pumper.Shown in Fig. 4,5, be Weighting system, it is by 5T, 2T, and 1T balancing weight combines as required.In order to play the object of fine setting, prepare the regulating block of some 20Kg, to Weighting system is finely tuned.When oil pumper needs maintenance of underground sometimes, front side polished rod eye is in lower dead center, and counterweight, in top dead centre, to be hung load in order being beneficial to unload, and to be coordinated without crane, counterweight on guide rail, plug below two pins 9, sinker is dropped on pin 9.The 13rd, control system, with cable and wire, by the motor of motor and brakes and various sensor, by circuit diagram, connect, after energising, first by the technical data of various operating modes, as electric current, voltage, frequency, the up stroke time, the down stroke time, commutation crawl time technical data input control device, controls the rotating of motor 10 and the time of upper and lower stroke by control system 13 after oil pumper operation.Oil pumper, under the control of control system 13, is being worked again and again.Meanwhile, control system can obtain the degree of balance by electrical quantity according to the variation of front side suspending point loading, if the degree of balance exceeds the upper limit or the lower limit of inputting data, can automatically show degree of unbalancedness, and prompting administrative staff regulate or process.Fig. 8, the 9th, guide rail, is to be welded and fixed by 1 seamless steel pipe and upper mounting plate and support.Fig. 7 is belt wire-rope connecting device, and upper end is wire rope 5, and lower end is belt 6, and using belt 6 is that diameter while utilizing its elevator changes and the moment variations that causes, is conducive to commutation and energy-conservation.It is to avoid belt 6 to meet wind chatter that wire rope 5 is used in traction outside the frame of front and back end, thus the advantage separately of performance belt wire rope.Fig. 6 is the folding mechanism that steps down, and when oil pumper needs shaft mouth operation, by oil pumper self power, front side fixed pulley base is sling, for well workover machinery provides space.
Claims (7)
1. a belt wire rope combination traction digitlization energy-saving pumping unit is by upper mounting plate (1), fixed pulley (2), trailer system (3), frame (4), wire rope (5), belt (6), counterweight (7), motor (10), brake system (11), control system (13), belt wire-rope connecting device (17), the folding system (18) of stepping down forms, described motor (10) is a kind of outer rotor slow-speed of revolution high-torque rare earth permanent-magnet synchronization motor, belt drives wheel and motor coaxle, be arranged on the both sides of motor shaft, the reciprocating motion of oil pumper is formed by the rotating of motor (10) own, the rotating of motor and the speed of service are programme controlled according to digitlization by control system (13), outer rotor outer rim at motor (10) arranges brake system (11), it is characterized in that: the fixing belt (6) that is wound around on motor (10) driving wheel, in frame, adopt wire rope (5) outward, in belt (6) and wire rope (5) joint, belt wire-rope connecting device (17) is set.
2. digitlization energy-saving pumping unit is drawn in the combination of belt wire rope according to claim 2, it is characterized in that: front and back belt on motor driving wheel around to contrary each other, be that two belts in front are wound around clockwise on driving wheel, two of back belts are to be wound around counterclockwise on driving wheel so.
3. digitlization energy-saving pumping unit is drawn in the combination of belt wire rope according to claim 2, it is characterized in that: belt wire-rope connecting device is in a frame case, one end is milled with the slot that is slightly larger than belt width and thickness, belt penetrates wherein, both sides at belt respectively connect lastblock rectangular flange, with two connecting bolts, tighten up, the framework other end is drilled with the through hole that is slightly larger than wirerope diameter, fag end has been watered in wire rope one end, the other end is free end, during installation, wire rope free end is passed from through hole to tension.
4. digitlization energy-saving pumping unit is drawn in the combination of belt wire rope according to claim 1, it is characterized in that: Weighting system is by counterweight (7), guide rail (8), pin (9) forms, counterweight top and wire rope (5) are connected, and counterweight (7) is by guide rail (8) righting.
5. digitlization energy-saving pumping unit is drawn in the combination of belt wire rope according to claim 5, oil pumper it is characterized in that: when need to unload extension load, suspending point loading is in lower dead center, counterweight (7) is in top dead centre, on the following guide rail (8) of counterweight (7), put on pin (9), counterweight (7) is located on pin (9).
6. digitlization energy-saving pumping unit is drawn in the combination of belt wire rope according to claim 1, it is characterized in that: control system is the numerical analysis source as the degree of balance according to the electrical quantity of motor (10), the current value that motor (10) rotates and reverse is the true reflection of front and back weighing load, they become positive correlation, when their difference is greater than 15%, control system can send unbalanced signal, and prompting administrative staff regulate the weight of counterweight (7) to obtain new balance.
7. digitlization energy-saving pumping unit is drawn in the combination of belt wire rope according to claim 1, it is characterized in that: folding system is that front side fixed pulley (2) is arranged on folding fixed pulley base (18), fixed pulley (2) by the middle of upper mounting plate, utilizes oil pumper self power to be sling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587188.XA CN103670339A (en) | 2013-11-15 | 2013-11-15 | Belt and steel wire rope combined traction digitized energy-saving pumping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587188.XA CN103670339A (en) | 2013-11-15 | 2013-11-15 | Belt and steel wire rope combined traction digitized energy-saving pumping unit |
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| CN103670339A true CN103670339A (en) | 2014-03-26 |
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| CN201310587188.XA Pending CN103670339A (en) | 2013-11-15 | 2013-11-15 | Belt and steel wire rope combined traction digitized energy-saving pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847885A (en) * | 2019-10-22 | 2020-02-28 | 冯祎诺 | Device and method for monitoring running state of oil pumping unit |
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| CN2315332Y (en) * | 1997-11-06 | 1999-04-21 | 华北石油管理局第一机械厂 | Near uniform oil pumping machine |
| CN2708001Y (en) * | 2004-03-05 | 2005-07-06 | 韩兴华 | Drum type pumping unit |
| CN2725572Y (en) * | 2004-09-09 | 2005-09-14 | 新疆维吾尔自治区第三机床厂 | Belt type oil pumping machine belt joint |
| US20080105422A1 (en) * | 2006-11-08 | 2008-05-08 | Wuhan Jianghan Petroleum Machinery Co., Ltd. | Compact well pumping unit actuated by linear motor with counterweight directly attached to slider |
| CN101975045A (en) * | 2010-11-01 | 2011-02-16 | 安之玉 | Drum type beam pumping unit with double belts |
| CN201786330U (en) * | 2010-02-26 | 2011-04-06 | 北京兰德伟业科技发展有限公司 | Low-speed high-torque motor pumping unit |
| CN102587868A (en) * | 2012-03-16 | 2012-07-18 | 周生祥 | Single-derrick tower-type twin-well pumping unit |
| CN203594417U (en) * | 2013-11-15 | 2014-05-14 | 河南信宇石油机械制造股份有限公司 | Belt and steel wire rope combined traction pumping unit |
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2013
- 2013-11-15 CN CN201310587188.XA patent/CN103670339A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1923012A (en) * | 1927-05-02 | 1933-08-15 | Clara B Parker | Raising and lowering device |
| CN2315332Y (en) * | 1997-11-06 | 1999-04-21 | 华北石油管理局第一机械厂 | Near uniform oil pumping machine |
| CN2708001Y (en) * | 2004-03-05 | 2005-07-06 | 韩兴华 | Drum type pumping unit |
| CN2725572Y (en) * | 2004-09-09 | 2005-09-14 | 新疆维吾尔自治区第三机床厂 | Belt type oil pumping machine belt joint |
| US20080105422A1 (en) * | 2006-11-08 | 2008-05-08 | Wuhan Jianghan Petroleum Machinery Co., Ltd. | Compact well pumping unit actuated by linear motor with counterweight directly attached to slider |
| CN201786330U (en) * | 2010-02-26 | 2011-04-06 | 北京兰德伟业科技发展有限公司 | Low-speed high-torque motor pumping unit |
| CN101975045A (en) * | 2010-11-01 | 2011-02-16 | 安之玉 | Drum type beam pumping unit with double belts |
| CN102587868A (en) * | 2012-03-16 | 2012-07-18 | 周生祥 | Single-derrick tower-type twin-well pumping unit |
| CN203594417U (en) * | 2013-11-15 | 2014-05-14 | 河南信宇石油机械制造股份有限公司 | Belt and steel wire rope combined traction pumping unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847885A (en) * | 2019-10-22 | 2020-02-28 | 冯祎诺 | Device and method for monitoring running state of oil pumping unit |
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