CN105990990A - 521-type ball-screw electric speed regulation disk-type magnetic coupler - Google Patents

521-type ball-screw electric speed regulation disk-type magnetic coupler Download PDF

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Publication number
CN105990990A
CN105990990A CN201510078751.XA CN201510078751A CN105990990A CN 105990990 A CN105990990 A CN 105990990A CN 201510078751 A CN201510078751 A CN 201510078751A CN 105990990 A CN105990990 A CN 105990990A
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China
Prior art keywords
speed
screw
rotor
ball
speed regulation
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Pending
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CN201510078751.XA
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Chinese (zh)
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李启飞
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李启飞
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Priority to CN201510078751.XA priority Critical patent/CN105990990A/en
Publication of CN105990990A publication Critical patent/CN105990990A/en
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Abstract

The invention discloses a 521-type ball-screw electric speed regulation disk-type magnetic coupler, which relates to the field of power transmission, energy conservation, emission reduction, rotating equipment and magnetic driving. An outer rotor motor external gear transmission ball screw speed regulation mechanism and a high-speed rotary conductive joint (or a high-speed rotary joint specially for electric speed regulation) are used for forming a speed regulation system. Two types: an air-cooled 521-type ball-screw electric speed regulation disk-type magnetic coupler (FT521) and a liquid-cooled 521-type ball-screw electric speed regulation disk-type magnetic coupler (YT521) are divided. Thus, an economical and feasible method is found out for speed regulation and energy conservation of the rotating equipment.

Description

521 type ball-screw electric speed regulation disc type magnetic coupler
Technical field
Power transmission, energy-saving and emission-reduction, dynamic equipment, magnetically-actuated.
Background technology
From the beginning of human use ground Magnetic driving invention compass, the research on utilization of magnetic field energy the most never stopped.Along with existing For the development of theory of magnetism, the application in the industry of magnetically-actuated product just emerges in an endless stream, magnetic drive pump, magnetic bearing, magnetic force coupling Clutch, magnetic-gear etc..Being limited to the restriction of magnetic material, Drive Technology slower development, until nineteen eighty-three, middle promulgated by the State Council Understanding high performance permanent magnetic materials neodymium iron boron, magnetically-actuated product is just rapidly developed application.
Magnetic coupling since the development of independent conduct single branch, has occurred in that shape shape from magnetic drive pump isodynamic driving product The product of color color, but be all confined to the reason of configuration aspects, the dynamic equipment that can only be confined to middle low power, medium and small moment of torsion interval moves In power transmission application, and expensive.As the primary air fan (6000KW, 1496r/min) of thermal power plant, overfire air fan (4550KW, 1495r/min), coal breaker (1200KW, 490r/min) and steel mill, the dynamic equipment such as large fan of mining site, prior art and Product all cannot meet practical application request.
Energy-saving and emission-reduction are current urgent needss.Dynamic device energy conservation, has variable-frequency speed-adjusting energy-saving and grooved cam machine the most efficiently Structure speed governing magnetic coupling variable speed energy saving.Converter is shorter for service life, and adaptive capacity to environment is poor, takes up an area space greatly, safeguards and need Asking high, high voltage converter fault rate is the highest, poor reliability.Carry out the grooved cam mechanism speed governing magnetic coupling (cylinder applied at present Formula and disc type) it is of limited application because of reasons in structure, and expensive.Ye Leng grooved cam mechanism speed governing disc electromagnetic coupling can only be exerted oneself Being applied to by force in the dynamic equipment of below 2500KW moderate rotation, air-cooled grooved cam mechanism speed governing disc electromagnetic coupling can only be applied to reluctantly In the dynamic equipment of below 350KW moderate rotation.Cartridge type magnetic coupling is the most worse, liquid cool tone speed product can only be applied to reluctantly 800KW with In the dynamic equipment of lower moderate rotation, and security reliability is the highest.
Summary of the invention
The present invention focuses on the technical method finding a kind of disc electromagnetic coupling speed governing, two big series of extending out along with this technical method The air-cooled 521 type ball-screw electric speed regulation disc type magnetic coupler of 521 type ball-screw electric speed regulation disc type magnetic coupler (FT521 series), the cold 521 type ball-screw electric speed regulation disc type magnetic coupler of liquid (YT521 series).
Accompanying drawing explanation
Fig. 1 is air-cooled 521 type ball-screw electric speed regulation disc type magnetic coupler (FT521 series), the cold 521 type ball wires of liquid Thick stick electric speed regulation disc type magnetic coupler (YT521 series) adds casing, and coolant is passed in and out by pipeline on shell, forced fluid Cold.
521 type ball-screw electric speed regulation disc type magnetic coupler, all comprise following several part: in figure, label 1 and 5 is sensing Dish assembly, 2 and 4 is magnetic piece fixed disk assembly, and 3 is gear drive ball-screw speed adjusting gear, and 6 is to turn round at a high speed conductive contact (or electric speed regulation specialized high-speed swivel coupling), 7 is motor stator, and 8 is rotor, power transmission shaft centered by 11, and 19 for propping up Frame, 23 is flange shaft sleeve.
In two the most serial 521 type ball-screw electric speed regulation disc type magnetic coupler, gear drive ball-screw speed adjusting gear 3 He External rotor electric machine composition external rotor electric machine external gear drive ball-screw speed adjusting gear, all of inductive disks assembly is by caging bolt Connection composition outer rotor, all of magnetic piece fixed disk component string is associated on center driving axle, and the external gear drive of external rotor electric machine Ball-screw speed adjusting gear forms internal rotor together.Turn round at a high speed slip ring and the rotor synchronous axial system of conductive contact, the most quiet Only, brush and the support of revolution conductive contact keep geo-stationary at a high speed.The brush of revolution conductive contact connects external power source at a high speed. Two-way switch controls to enter the sense of current of motor, thus changes motor outer rotor and turn to the relative of center driving axle.Outside motor Rotor banding movable gear shaft rotates, and drives ball-screw assembly through gear drive, makes rotation motion be in line slips, drives magnetic piece to consolidate Fixed pulley assembly slides along center driving axle, thus (magnetic field couples to change the distance between magnetic piece fixed disk assembly and inductive disks assembly Gap), to reach the purpose of variable speed energy saving, (change of magnetic field coupling gap will cause the change of magnetic coupling inner and outer rotors slip, also It is exactly the change of input and output rotating speed).
Fig. 2 show gear drive ball-screw speed adjusting gear, and spacing back-up ring 3-13 is used for ensureing that synchronizing bar 3-11 will not occur Axial float, 3-12 is fine setting spring, and 3-1 is ball-screw assembly, and 3-3 is the retainer of synchronizing bar and leading screw.3-6 is tooth Wheel, and leading screw interference fit.
Fig. 3 show magnetic piece fixed disk assembly 2, has clearly given expression to powerdriven mode semiaxis, also show magnetic piece Distribution situation.
Fig. 4 show magnetic piece fixed disk assembly 4, and it can not directly and center driving axle 11 carries out power transmission, but can be vertically Sliding, magnetic piece fixed disk assembly 4 relies on three synchronizing bar 3-11 to carry out driving coupling, also show the distribution situation of magnetic piece.
Fig. 5 show revolution conductive contact at a high speed, uses modular construction, and the quantity of slip ring determines as required, shown in figure Being three slip rings (can be six or the most individual), connect three of the wires, adapter ring 6-2, overcoat 6-7, overcoat 6-1 adopt With electrically insulating material, 6-5 is brush, and 6-4 is slip ring (being embedded in overcoat 6-1), and 6-8 (is used for putting down for fine setting spring Weighing apparatus contact pressure), 6-3 is wire, and 6-9 is bearing.Slip ring, external external power source is connect in brush.Slip ring 6-4 is embedded in anti- Inside sheath 6-1, it is fixed on rotor 8.Brush 6-5 is assemblied in insulant inside and keeps geo-stationary with support, Rely on the impact of bearing 6-9 isolation rotor 8 high speed rotating.At a high speed revolution conductive contact is using brush and slip ring as dynamically connecing Touch, it is also possible to fill counter to brush and slip ring, by connecing brush in slip ring, external external power source.
Fig. 6, Fig. 7 show inductive disks, protruding blade are distributed, to help heat radiation in card.During unknown device rotation direction, can be selected for Shape shown in Fig. 6, such as known device rotation direction, can be selected for the streamline shape shown in Fig. 7, to increase heat dissipation capacity and to reduce flow-disturbing and make an uproar Sound.When heat dissipation capacity is enough, inductive disks uses square position, removes protruding blade, to simplify manufacturing process.
Fig. 8 show air-cooled FT521 series magnetic coupling and takes off the structural representation of internal two supports bearing, couples and adopt between power transmission shaft With expansion set, other series also can do so, but this scheme only can be used on low load situation and axle alters the most small situation, and reason is such as Under: inductive disks assembly 1 and 5 is formed outer rotor, magnetic piece fixed disk assembly 2 and 4 and gear drive ball-screw by bolted on connection Speed adjusting gear 3, motor stator 7, rotor 8 etc. are connected by center driving axle and form internal rotor, and inner and outer rotors is not in contact with each other, But due to during assembling it is difficult to ensure that the depth of parallelism of inductive disks assembly and magnetic piece fixed disk assembly, so motor center axle bearing can be propped up Alternate stress (effect of magnetic field coupling additional bending moment) is caused at the place of holding and load transmission axle bearing supporting, so that axle excessive wear Lost efficacy.Additionally, the impact that axle is altered can cause bumpy running, can cause the accident time serious.Generally speaking, this kind of scheme is careful With.
Fig. 9, Figure 10, Figure 11, Figure 12 show electric speed regulation specialized high-speed swivel coupling, use modular series connection structure, can Then and return connecting any passage, be triple channel shown in Fig. 9, Figure 10, its internal rotor is connect each several part by bolt 6-29, The outer rotor of adaptor assemblies an entirety, then is fixed on rotor with location screw, its internal rotor and rotor Synchronous axial system, its outer rotor transfixion, to connect external power source.Sealing ring 6-20,6-21 can use tungsten carbide, stone at two ends The materials such as ink, 6-5,6-7,6-8,6-24,6-25 of middle live wire access portion can use electrically insulating material, 6-22 to adopt With contact material, 6-23 uses electrically insulating material to inlay the combinative structure of contact material, and 6-14 is spring, is used for balancing connecing Touch pressure, spring is played guide and limit effect by the guide finger 6-15 at spring, and when preventing from turning round at a high speed, spring is under centrifugal action Lost efficacy.
Electric speed regulation specialized high-speed swivel coupling may be substituted for turning round conductive contact, electric speed regulation specialized high-speed swivel coupling at a high speed Than revolution conductive contact at a high speed, there is more preferable waterproof and dustproof and explosion-proof performance, but its structure is complicated, manufactures difficulty, economy Difference.
Detailed description of the invention
What 521 type ball-screw electric speed regulation disc type magnetic coupler were comprised respectively forms parts, modern industry manufacturing technology Processing and manufacturing.Ball-screw, motor, magnetic piece, bearing all can be formed a complete production network by specialized vendor, the machining of other parts, mould Tool shapes, welds.
521 type ball-screw electric speed regulation disc type magnetic coupler move equipment as one, and its finished product wants successful Application, it is necessary to tool Standby following two condition: (1) power calibration sets up complete testboard bay (each power moment of torsion is interval), to complete seriation The demarcation of product.(2) dynamic balancing detection slewing must reach the requirement for dynamic balance of correlation standard, so that reach must The security reliability wanted.

Claims (6)

  1. Its feature of organization plan of the most air-cooled 521 type ball-screw electric speed regulation disc type magnetic coupler (FT521 series) It is that (or electric speed regulation specialized high-speed returns for external rotor electric machine external gear drive ball-screw speed adjusting gear, at a high speed revolution conductive contact Adaptor).
  2. 2. its feature of organization plan of the cold 521 type ball-screw electric speed regulation disc type magnetic coupler of liquid (YT521 series) It is that (or electric speed regulation specialized high-speed returns for external rotor electric machine external gear drive ball-screw speed adjusting gear, at a high speed revolution conductive contact Adaptor), add casing, forced fluid is cold.
  3. 3., according to 521 type ball-screw electric speed regulation disc type magnetic coupler described in claim 1 and claim 2, it is special Levy technical method at a high speed revolution conductive contact (or the electric adjustable being to use magnetic coupling external motor gear drive ball-screw speed governing Speed specialized high-speed swivel coupling) and external rotor electric machine external gear drive ball-screw speed adjusting gear combination application, motor is placed in magnetic Coupling rotor exterior.
  4. 4., according to 521 type ball-screw electric speed regulation disc type magnetic coupler described in claim 1 and claim 2, it is special Levy is to use the technical method external rotor electric machine of external rotor electric machine external gear drive ball-screw speed adjusting gear speed governing, gear With ball-screw combination application, during access failure power supply, motor stator for outer rotator, rotor, gear, ball-screw assembly and center Power transmission shaft synchronous rotary, geo-stationary, after the switch that switches on power, between External rotor electric machine rotor and stator, just relatively rotate (electricity Machine stator and center driving axle synchronous axial system), thus driven gear rotates, and is then driven ball-screw assembly by gear drive, makes Rotation motion is in line slip, drives magnetic piece fixed disk to slide along center driving axle, thus changes magnetic piece fixed disk and inductive disks Between distance (magnetic field coupling gap), reach the purpose of variable speed energy saving.
  5. 5., according to 521 type ball-screw electric speed regulation disc type magnetic coupler described in claim 1 and claim 2, it is special Levying is the technical method using at a high speed revolution conductive contact using brush and slip ring as dynamic Contact, connects slip ring, outward in brush Connecing external power source, slip ring is fixed on rotor, and with rotor synchronous rotary, brush is assemblied in insulant and is internally formed Stationary parts, it is also possible to fill counter to brush and slip ring, by connecing brush in slip ring, external external power source.
  6. 6., according to 521 type ball-screw electric speed regulation disc type magnetic coupler described in claim 1 and claim 2, it is special Levy be the technical method electric speed regulation specialized high-speed swivel coupling using electric speed regulation specialized high-speed swivel coupling by internal rotor and Outer rotor two large divisions forms, and outer rotor transfixion, in order to connect external power source, internal rotor and rotor synchronous high-speed turn Dynamic, both geo-stationary, the current path of inner and outer rotors is by the principle of Electric contact theory.
CN201510078751.XA 2015-02-03 2015-02-03 521-type ball-screw electric speed regulation disk-type magnetic coupler Pending CN105990990A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109217628A (en) * 2017-06-29 2019-01-15 李启飞 The very big load adjustable motor of planetary roller screw type

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102769344A (en) * 2012-07-20 2012-11-07 林贵生 Direct drive type motor or generator capable of steplessly converting torque and regulating speed
CN103401398A (en) * 2013-08-06 2013-11-20 大连交通大学 Magnetic coupler
CN103986306A (en) * 2014-05-22 2014-08-13 南京中信达动力传动技术有限公司 Intelligent adjustable permanent magnet flexible coupling speed regulator
CN104065238A (en) * 2014-06-04 2014-09-24 李启飞 Multi-cylinder fluid governor disk type magnetic coupler
CN104242601A (en) * 2014-09-09 2014-12-24 李启飞 Fluid-speed-governing-cylinder-type magnetic coupling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102769344A (en) * 2012-07-20 2012-11-07 林贵生 Direct drive type motor or generator capable of steplessly converting torque and regulating speed
CN103401398A (en) * 2013-08-06 2013-11-20 大连交通大学 Magnetic coupler
CN103986306A (en) * 2014-05-22 2014-08-13 南京中信达动力传动技术有限公司 Intelligent adjustable permanent magnet flexible coupling speed regulator
CN104065238A (en) * 2014-06-04 2014-09-24 李启飞 Multi-cylinder fluid governor disk type magnetic coupler
CN104242601A (en) * 2014-09-09 2014-12-24 李启飞 Fluid-speed-governing-cylinder-type magnetic coupling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109217628A (en) * 2017-06-29 2019-01-15 李启飞 The very big load adjustable motor of planetary roller screw type

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