CN102562002B - Direct-drive pumping unit of permanent-magnet disk-type motor - Google Patents
Direct-drive pumping unit of permanent-magnet disk-type motor Download PDFInfo
- Publication number
- CN102562002B CN102562002B CN201210012646.2A CN201210012646A CN102562002B CN 102562002 B CN102562002 B CN 102562002B CN 201210012646 A CN201210012646 A CN 201210012646A CN 102562002 B CN102562002 B CN 102562002B
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- magnet disk
- brake
- direct
- synchronous pulley
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Abstract
The invention discloses a direct-drive pumping unit of a permanent-magnet disk-type motor. The direct-drive pumping unit comprises a frame, a permanent-magnet disk-type servo motor, a brake, a synchronous pulley, a drive shaft, a drive wheel base, a guide pulley, a pulley base, an opening synchronous belt and the like. The permanent-magnet disk-type servo motor is adopted as a power source; a motor output shaft is the drive shaft and directly drives the synchronous pulley in key connection with the motor output shaft to rotate positively and reversely; the synchronous pulley also pulls the opening synchronous belt meshed with the synchronous pulley to move in a reciprocating manner, and the two ends of the opening synchronous belt are connected with a plurality of steel wire ropes. The direct-drive pumping unit of the permanent-magnet disk-type motor, disclosed by the invention, has the beneficial effects that: a transmission system is very simple without a middle retarding mechanism; the direct-drive pumping unit is directly driven and reversed by the permanent-magnet disk-type servo motor with excellent governing performance and is matched with a servo speed control system, in addition, a weight box is adopted for performing direct balancing, so that the pumping unit has the advantages of long stroke, low jig frequency, high efficiency, low power consumption, easy adjustment of parameters, simple structure, convenience in operation and the like.
Description
Technical field:
What the present invention relates to is the oil pumper having rod recovering system to use in a kind of field produces, particularly relates to a kind of permanent-magnet disk servomotor direct-drive type blue elephant, belongs to oil recovery machiner technical field.
Background technology:
The most widely used both at home and abroad is at present beam pumping unit.Beam pumping unit result in it transmission efficiency because transmission mechanism is loaded down with trivial details is low, structure bulky, and motor running power is large, and energy consumption is high, and beam pumping unit is because of its structure restriction adjustment stroke jig frequency difficulty.Wide belt type pumping unit, linear reciprocating oil pumper, wheel type pumping unit etc. is mainly contained without beam pumping unit.Owing to eliminating heavy walking beam without beam pumping unit, easily realize long stroke, stroke relative loss is little, and effective stroke is large, and relative jig frequency is low, also improves the working life of system while improving pump efficiency.Owing to adopting the direct balance mode of balance weight, counterweight is easy to adjust, accurate, good balance effect.But the existing ac three-phase asynchronous motor generally using speed adjusting performance difference without beam pumping unit, in frequent rotating process, acceleration is large, inertial load is large, cause electrical consumption power large, and existing more complicated without beam pumping unit structure, movement parts is many, and cost is high, maintenance difficulty, fault rate is high.These all greatly limit applying without beam pumping unit.Therefore, develop that a kind of structure is simple, reliability and durability, easy and simple to handle, price of complete machine is low, maintenance is easy, good energy-conserving effect, tune are joined novel high-efficiency and energy-saving oil pumper easily and seemed important all the more.
Summary of the invention:
The object of the invention is the problems referred to above existed for existing oil pumper, provide a kind of structure simple, reliability and durability, easy and simple to handle, safeguard easily, good energy-conserving effect, tune join permanent-magnet disk servomotor direct-drive oil extractor easily.
For achieving the above object, the technical scheme of employing is as follows in the present invention:
A kind of permanent-magnet disk servomotor direct-drive oil extractor, comprise frame, permanent-magnet disk servomotor, brake, synchronous pulley, driving shaft, drive wheel seat, leading block, pulley base, opening Timing Belt, wire rope, ballast box, electrical control cabinet, guardrail, cat ladder etc., it is characterized in that: adopt permanent-magnet disk servomotor as power source, low speed rotating campaign is done by this disc type electric machine of servo governor system control in electrical control cabinet, by the rotating of driving shaft Direct driver synchronous pulley, synchronous pulley drives the opening Timing Belt engaged with it to move back and forth, opening Timing Belt two ends respectively connect some wire rope, wherein the wire rope of one end pulls ballast box to move back and forth, the wire rope of the other end pulls polished rod to move back and forth in well head by polished rod eye, realize oil pumping operation.
Described frame is integral solder frame, and it is formed by shaped steel and Plate Welding, and structure is simple, solid and reliable.
Servo governing system is installed in described switch board, controls servomotor by certain velocity mode curve motion.Only need by servo governing system regulating parameter when needing the operational mode changing oil pumper.
Described permanent magnet disc motor is independently developed low-speed high-torque motor, and the output shaft of this permanent-magnet disk servomotor is exactly driving shaft, and driving shaft is arranged on by annular bearing with rolling contact and drives on wheel seat, and synchronous pulley is connected with driving shaft by key.Permanent magnet disc motor Direct driver synchronous pulley so just can be made to do low-speed big rotate.
Described driving wheel seat is bolted and is fixed on the base plate of frame.
Described brake is connected and fixed with driving wheel seat itself by bolt, and drive the tip of the axis to be connected by feather key with the inner disc of brake, inner disc can slide axially on the driving shaft.Brake pad is embedded in inner disc surface.Inner disc is made up of permeability magnetic material.When electromagnetic coil power-off, under the effect of tripping spring, brake pad compresses on the disc brake rotor by inner disc, driving shaft stall, realizes reliably braking.When the solenoid is activated, under the effect of electromagnetic force, inner disc compression brake spring, thus brake pad and brake disc are thrown off, brake loses braking action.
Described opening Timing Belt engages with synchronous pulley, and one end of opening Timing Belt is connected with one section of wire rope by crossover sub, this section of wire rope is walked around leading block and is connected with polished rod eye, the other end of opening Timing Belt is connected with another section of wire rope by crossover sub, and this section of wire rope is walked around leading block and be connected with ballast box.
Described leading block is arranged on pulley base.
Described pulley base is fixed on frame top steel plate by bolt.
Described guardrail is arranged on frame top by bolt.
Described cat ladder is arranged on frame side by bolt.
Beneficial effect of the present invention:
1, transmission system application directly drives technology, and without intermediate reduction gear mechanism, the permanent-magnet disk servomotor Direct driver adopting speed adjusting performance excellent, commutation, improve transmission efficiency and the reliability thereof of system.
2, by servo governing system, regulate oil pumper running speed pattern convenient, make it run with comparatively ideal rate curve, reduce the operate power of oil pumper, energy-saving effect is remarkable.
3, adopt the direct balancing technique of ballast box, good balance effect, adjustment counterweight is convenient.
4, can realize by servo governing system regulating parameter the operational mode changing oil pumper, without the need to any machinery adjustment, regulating parameter is simple, convenient.
5, structure is simple, and transmission system is simplified, and has the supporting facility such as ladder guardrails concurrently simultaneously, and installation and maintenance are easy.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of the main drive part of the present invention;
Fig. 4 is the sectional view of part brake.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in further detail:
With reference to Fig. 1 and Fig. 2, a kind of permanent-magnet disk servomotor direct-drive oil extractor, comprises frame 7, permanent magnet disc motor 17, brake 14, synchronous pulley 16, driving shaft 19, drives wheel seat 18, leading block 8, pulley base 10, opening Timing Belt 4, wire rope 6, ballast box 12, electrical control cabinet 13, guardrail 9, cat ladder 11 etc.Described frame 7 is integral solder frame, and it is formed by shaped steel and Plate Welding, and structure is simple, solid and reliable.Described permanent magnet disc motor 17 is independently developed low-speed high-torque motor.Described brake 14 is electromagnetic type friction brake, and dead electricity is braked.Described guardrail 9 is arranged on frame 7 top by bolt.Described cat ladder 11 is arranged on frame side by bolt.
With reference to Fig. 3, permanent magnet disc motor 17, brake 14, synchronous pulley 16, drive wheel seat 18, main drive part that driving shaft 19 constitutes this oil pumper.The output shaft of this permanent-magnet disk servomotor 17 is exactly driving shaft 19, and driving shaft 19 is arranged on by annular bearing with rolling contact and drives on wheel seat 18, and synchronous pulley 16 is connected with driving shaft 19 by key.Permanent magnet disc motor 17 Direct driver synchronous pulley 16 so just can be made to do low-speed big rotate.
Opening Timing Belt 4 engages with synchronous pulley 16, and one end of opening Timing Belt 4 is connected with one section of wire rope 6 by crossover sub 5, this section of wire rope 6 is walked around leading block 8 and is connected with polished rod eye 3, the other end of opening Timing Belt 4 is connected with another section of wire rope 6 by crossover sub 5, and this section of wire rope 6 is walked around leading block 8 and be connected with ballast box 12.Described leading block 8 is arranged on pulley base 10, and pulley base 10 is fixed on the steel plate of frame 7 top by bolt.
With reference to Fig. 4, brake main body 26 is connected and fixed with driving wheel seat 18 itself by bolt 15 by brake 14, and the end of driving shaft 19 is connected by feather key 25 with the inner disc 21 of brake 14, and inner disc 21 can slide axially on driving shaft 19.Brake pad 22 is embedded in inner disc 21 surface.Inner disc 21 is made up of permeability magnetic material.When electromagnetic coil 23 power-off, under the effect of tripping spring 24, brake pad 22 is pressed on brake disc 20 by inner disc 21, driving shaft 19 stall, realizes reliably braking.When electromagnetic coil 23 is energized, under the effect of electromagnetic force, inner disc 21 compression brake spring 24, thus brake pad 22 and brake disc 20 are thrown off, brake loses braking action.
Operating principle of the present invention is:
The present invention adopts the permanent-magnet disk servomotor 17 researched and developed voluntarily as power source, this permanent-magnet disk servo direct-driven oil pumping unit controls this disc type electric machine by electrical control cabinet 13 when running and does low speed rotating campaign, motor 17 drives synchronous pulley 16 to do low speed rotating campaign by driving shaft 19, synchronous pulley 16 drives the opening Timing Belt 4 engaged with it to move back and forth, opening Timing Belt 4 one end pulls ballast box 12 to move back and forth by connected wire rope 6, opening Timing Belt 4 other end pulls polished rod 2 to move back and forth in well head 1 by connected wire rope 6 and polished rod eye 3 simultaneously, realize oil pumping operation.
Counterweight is regulated, direct balancing work load, good balance effect by increasing or reduce sandstone in ballast box 12 when this permanent-magnet disk servomotor direct-drive oil extractor runs.Regulated the operational factors such as the stroke jig frequency of oil pumper by the servo governing system in electrical control cabinet 13, regulating parameter is simple and convenient, also needs to adjust frame for movement when avoiding traditional oil pumper adjust operation situation.When needs braking or brake hard, while permanent-magnet disk servomotor 17 power-off, brake 14 is compressed brake pad 22 and brake disc 20 thus driving shaft 19 is stopped operating by tripping spring 24, realizes reliably braking.This permanent-magnet disk servomotor direct-drive oil extractor structure is simple, and transmission system is simplified, and has the supporting facility such as ladder guardrails concurrently simultaneously, and installation and maintenance are easy.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when the method and technology contents that can utilize above-mentioned announcement are made a little change or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, still belong in the scope of technical solution of the present invention.
Claims (3)
1. a permanent-magnet disk servomotor direct-drive oil extractor, comprises frame, permanent-magnet disk servomotor, brake, synchronous pulley, driving shaft, driving wheel seat, leading block, pulley base, opening Timing Belt, wire rope, ballast box, electrical control cabinet, guardrail and cat ladder;
It is characterized in that: adopt permanent-magnet disk servomotor as power source, motor output shaft is exactly driving shaft, the synchronous pulley rotating that Direct driver is connected with its key, synchronous pulley pulls again the opening Timing Belt engaged with it to move back and forth, opening Timing Belt two ends respectively connect some wire rope, wherein the wire rope of one end is connected with polished rod by polished rod eye, and the wire rope of the other end is connected with ballast box, loads sandstone in ballast box;
The output shaft of described permanent-magnet disk servomotor is exactly driving shaft, and permanent-magnet disk servomotor directly drives synchronous pulley rotating by driving shaft; Brake is electromagnetic type friction brake, is electricity loss brake; Stopper inner disc is directly installed on driving shaft by feather key, and inner disc can slide axially on the driving shaft; Brake pad is embedded in inner disc surface; Inner disc is made up of permeability magnetic material; When electromagnetic coil power-off, under the effect of tripping spring, brake pad compresses on the disc brake rotor by inner disc, driving shaft stall, realizes reliably braking, when the solenoid is activated, under the effect of electromagnetic force, inner disc compression brake spring, thus brake pad and brake disc are thrown off, brake loses braking action;
Described synchronous pulley is connected with driving axle key, by the gear motion of opening Timing Belt and synchronous pulley, the positive and negative rotation conversion of motion that permanent-magnet disk servomotor exports is become the linear reciprocating motion back and forth of opening Timing Belt, opening Timing Belt two ends are respectively connected with some wire rope by crossover sub, and wire rope is walked around several leading blocks and pulled polished rod to move back and forth;
Described leading block is arranged on pulley base.
2. permanent-magnet disk servomotor direct-drive oil extractor according to claim 1, is characterized in that: described driving wheel seat is bolted and is fixed on the base plate of frame.
3. permanent-magnet disk servomotor direct-drive oil extractor according to claim 1, is characterized in that: described pulley base is fixed on frame top steel plate by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012646.2A CN102562002B (en) | 2012-01-16 | 2012-01-16 | Direct-drive pumping unit of permanent-magnet disk-type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012646.2A CN102562002B (en) | 2012-01-16 | 2012-01-16 | Direct-drive pumping unit of permanent-magnet disk-type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562002A CN102562002A (en) | 2012-07-11 |
| CN102562002B true CN102562002B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210012646.2A Expired - Fee Related CN102562002B (en) | 2012-01-16 | 2012-01-16 | Direct-drive pumping unit of permanent-magnet disk-type motor |
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| Country | Link |
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| CN (1) | CN102562002B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615217A (en) * | 2013-12-03 | 2014-03-05 | 上海行科石油设备科技有限公司 | Direct-driven beam pumping unit with magnetic coupling low-speed motor |
| CN110130856B (en) * | 2019-06-10 | 2020-02-14 | 大庆市华禹石油机械制造有限公司 | Direct-drive oil pumping unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330206A (en) * | 2001-05-28 | 2002-01-09 | 彭利 | Hydraulically speed variable rotor and hydraulic type pumping unit for petroleum exploitation |
| RO121045B1 (en) * | 2005-01-17 | 2006-11-30 | Lucian Stoica | Sand mixer |
| CN101256914A (en) * | 2008-03-05 | 2008-09-03 | 沈阳工业大学 | High-voltage circuit-breaker rotating servo motor operating mechanism |
| CN101696624A (en) * | 2009-11-12 | 2010-04-21 | 赵平 | External rotor motor direct traction type oil extractor |
| CN101871338A (en) * | 2010-06-22 | 2010-10-27 | 青岛朗进科技有限公司 | Direct drive pumping unit |
| CN101968090A (en) * | 2010-09-06 | 2011-02-09 | 无锡瑞茂光电科技有限公司 | Electromagnetic brake with permanent magnet |
-
2012
- 2012-01-16 CN CN201210012646.2A patent/CN102562002B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330206A (en) * | 2001-05-28 | 2002-01-09 | 彭利 | Hydraulically speed variable rotor and hydraulic type pumping unit for petroleum exploitation |
| RO121045B1 (en) * | 2005-01-17 | 2006-11-30 | Lucian Stoica | Sand mixer |
| CN101256914A (en) * | 2008-03-05 | 2008-09-03 | 沈阳工业大学 | High-voltage circuit-breaker rotating servo motor operating mechanism |
| CN101696624A (en) * | 2009-11-12 | 2010-04-21 | 赵平 | External rotor motor direct traction type oil extractor |
| CN101871338A (en) * | 2010-06-22 | 2010-10-27 | 青岛朗进科技有限公司 | Direct drive pumping unit |
| CN101968090A (en) * | 2010-09-06 | 2011-02-09 | 无锡瑞茂光电科技有限公司 | Electromagnetic brake with permanent magnet |
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| Publication number | Publication date |
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| CN102562002A (en) | 2012-07-11 |
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Granted publication date: 20150107 Termination date: 20180116 |