CN105896914A

CN105896914A - 533 type ball screw electric speed regulation disc type magnetic coupling

Info

Publication number: CN105896914A
Application number: CN201510033785.7A
Authority: CN
Inventors: 李启飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-01-19
Filing date: 2015-01-19
Publication date: 2016-08-24

Abstract

A 533 type ball screw electric speed regulation disc type magnetic coupling can be incorporated into the fields of power transmission, energy conservation and emission reduction, mechanical equipment and magnetic force drive, utilizes a speed adjusting system composed of an outer rotor motor, a ball screw, a gear transmission mechanism, a lever synchronization mechanism and a high-speed revolution conductive connector (or an electric speed-adjusting dedicated high-speed revolution connector), and includes four series: an air-cooled 533 type ball screw electric speed regulation disc type magnetic coupling (FT533), a liquid-cooled 533 type ball screw electric speed regulation disc type magnetic coupling (YT533), a serially-connected air-cooled 533 type ball screw electric speed regulation disc type magnetic coupling (CFT533) and a serially-connected liquid-cooled 533 type ball screw electric speed regulation disc type magnetic coupling (CYT533). According to the 533 type ball screw electric speed regulation disc type magnetic coupling, an economically feasible method is brought for speed regulation and energy conservation of dynamic equipment.

Description

533 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 to find and a kind of solves technical method high-power, that high torque moves equipment variable speed energy saving, along with this technology Method and four the most serial 533 type ball-screw electric speed regulation disc type magnetic coupler of extending out air-cooled 533 type ball-screws electricity Dynamic speed governing disc type magnetic coupler (FT533 series), the cold 533 type ball-screw electric speed regulation disc type magnetic coupler (YT533 of liquid Series), air-cooled 533 type ball-screw electric speed regulation disc type magnetic coupler of connecting (CFT533 series), series connection cold 533 types of liquid Ball-screw electric speed regulation disc type magnetic coupler (CYT533 series).

Accompanying drawing explanation

Fig. 1 show air-cooled 533 type ball-screw electric speed regulation disc type magnetic coupler (FT533 series), the cold 533 type rollings of liquid Ballscrew electric speed regulation disc type magnetic coupler (YT533 series) adds casing, and coolant is passed in and out by pipeline on shell, by force Liquid processed is cold.In Fig. 1, for making drawing clear, eliminate the projection of one group of lever lazy-tongs, and the one group of lever projection retained is not There is section view.

Fig. 9 show the air-cooled 533 type ball-screw electric speed regulation disc type magnetic coupler of series connection (CFT533 series), and series connection liquid is cold 533 type ball-screw electric speed regulation disc type magnetic coupler (CYT533 series) add casing, and coolant is by pipeline on shell Turnover, forced fluid is cold.In Fig. 9, for making drawing clear, eliminate the projection of one group of lever lazy-tongs, and the one group of thick stick retained Bar projection does not has section view.

Four the most serial 533 type ball-screw electric speed regulation disc type magnetic coupler, all comprise following several part: label 1 in figure Being inductive disks assembly with 5,2 and 4 is magnetic piece fixed disk assembly, and 3 is external rotor electric machine ball-screw speed adjusting gear, and 6 is at a high speed Revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling).

For 533 type ball-screw electric speed regulation disc type magnetic coupler of connecting (CFT533 series, CYT533 series), theoretical On can connect any group, can determine as required, Fig. 9 show 3 groups of series connection, and in figure, label 8 is the inductive disks of middle series connection Assembly and magnetic piece fixed disk assembly.

In four the most serial 533 type ball-screw electric speed regulation disc type magnetic coupler, all of inductive disks assembly is joined by caging bolt Knot composition outer rotor, all of magnetic piece fixed disk component string is associated on center driving axle, and external rotor electric machine ball-screw governor Structure forms internal rotor together, and in center driving axle, live wire connects motor (motor stator is fixed on center driving axle, and center Rotary shaft geo-stationary) and the brush (with center driving axle geo-stationary) of high speed revolution conductive contact, revolution conductive contact at a high speed Slip ring connect external power source.Two-way switch controls to enter the sense of current of motor, thus changes motor steering.Motor outer rotor Driving screw turns (gear drive), screw turns, feed screw nut (being fixed together with magnetic piece fixed disk assembly) moves vertically Dynamic, thus change the distance (magnetic field coupling gap) between magnetic piece fixed disk assembly and inductive disks assembly, to reach variable speed energy saving Purpose (change of magnetic field coupling gap will cause the change of magnetic coupling inner and outer rotors slip, the namely change of input and output rotating speed), Lever lazy-tongs ensure the magnetic piece fixed disk component synchronization adverse movement of both sides.

Fig. 2 and Fig. 3 show external rotor electric machine ball-screw speed adjusting gear, by external rotor electric machine, ball-screw assembly, gear Drive mechanism and lever lazy-tongs four part composition.In Fig. 2, label 3-10 is motor stator, and 3-11 is rotor, 3-12, 3-15 is lever, and 3-6 is gear, and 3-2 is support, and 3-1 is ball-screw assembly.The central shaft of motor can make hollow-core construction (being fixed on center driving axle with holding screw), in order to motor is produced in batches by specialized factory, leading screw can be selected for existing series and produces Product, with gear interference fit.

Figure 17 show lever lazy-tongs schematic diagram.

Fig. 4, Fig. 5 show revolution conductive contact at a high speed, use modular construction, and the quantity of slip ring determines as required, in figure Showing three slip rings (can be six or the most individual), connect three of the wires, adapter ring 6-3, overcoat 6-4 use electric insulation Material, 6-5 is brush, and 6-6 is slip ring (being embedded in adapter ring 6-3), and 6-7 is for finely tuning spring (for equilibrium contact pressure Power), 6-8 is wire, and 6-9 is right end cap, and 6-1 is left end cap, and 6-11 is bearing, and 6-15 is support.Brush is connect in slip ring, External external power source.Brush is assemblied on center driving axle 6-14, with center driving axle synchronous rotary.During slip ring 6-6 is embedded in Between ring 6-3 be internally formed stationary parts, be fixed on support 6-15, rely on bearing 6-11 quarantine center power transmission shaft high speed rotating Impact.At a high speed revolution conductive contact is using brush and slip ring as dynamic Contact, it is also possible to fill counter to brush and slip ring, by brush Connect slip ring, external external power source.Right end cap 6-9, left end cap 6-1 and adapter ring 6-3 are combined into an entirety, directly by Fig. 5 Connect employing insulant to be fabricated by.Shown in Fig. 4, the right end cap 6-9 and left end cap 6-1 of revolution conductive contact can be selected for gold at a high speed Belong to material, it so can be made sturdy and durable.

Fig. 6, Fig. 7 are inductive disks assembly, 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.Heat dissipation capacity enough in the case of, inductive disks assembly uses square position, shouldn't projection blade, to simplify manufacturing process.

Fig. 8 show distribution situation and the shape of magnetic piece on magnetic piece fixed disk assembly, magnetic piece arc transition, it is to avoid made with square The induced field deformity become.

Figure 10 is in series connection 533 type ball-screw electric speed regulation disc type magnetic coupler (CFT533 series, CYT533 series) Between series connection inductive disks assembly and magnetic piece fixed disk assembly, inductive disks assembly is positioned magnetic coupling outer rotor by positioning sleeve 8-1,8-2 On connection screw rod, magnetic piece fixed disk assembly has been slided position-limiting action on center driving axle by stop collar 8-8.

Figure 11 show the manufacturing process (can directly carry out Small and Deep Hole Machining) of elongated hole in center driving axle and uses aluminium extruded type Molding, then carries out nested with center driving axle, with simplified processing process, reduces manufacturing cost.

Figure 12 show FT533 series magnetic coupling and takes off the structural representation of internal two supports bearing, couples employing swollen between power transmission shaft 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 as follows: Inductive disks assembly 1 and 5 is formed outer rotor by bolted on connection, and magnetic piece fixed disk assembly 2 and 4 is adjusted with external rotor electric machine ball-screw Speed mechanism 3 is connected by center driving axle and form internal rotor, and inner and outer rotors is not in contact with each other, but it is difficult to ensure that inductive disks during owing to assembling Assembly and the depth of parallelism of magnetic piece fixed disk assembly, so can be at motor center axle bearing supporting and at load transmission axle bearing supporting Cause alternate stress (effect of magnetic field coupling additional bending moment), so that axle excessive wear was lost efficacy.Additionally, the impact that axle is altered can be made Become bumpy running, can cause the accident time serious.Generally speaking, this kind of scheme to be cautious use of.

Figure 13, Figure 14, Figure 15, Figure 16 show electric speed regulation specialized high-speed swivel coupling, use modular series connection structure, Can connect any passage, be triple channel shown in Figure 13, Figure 14, its internal rotor is connect each several part by bolt 6-29, then and The outer rotor of swivel coupling assemblies an entirety, then is fixed on motor stator with location screw, and its internal rotor and center pass Moving axis synchronous axial system, its outer rotor transfixion, to connect external power source.Two ends sealing ring 6-20,6-21 can use tungsten carbide, The materials such as graphite, 6-5,6-7,6-8,6-24,6-25 of middle live wire access portion can use electrically insulating material, 6-22 Using 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 Contact 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 at centrifugal action Lower inefficacy.

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 533 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.

533 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

Its feature of organization plan of the most air-cooled 533 type ball-screw electric speed regulation disc type magnetic coupler (FT533 series) It is external rotor electric machine ball-screw speed adjusting gear, at a high speed revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling).
2. its feature of organization plan of the cold 533 type ball-screw electric speed regulation disc type magnetic coupler of liquid (YT533 series) It is external rotor electric machine ball-screw speed adjusting gear, at a high speed revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling), installs additional Shell, forced fluid is cold.
3. the organization plan of air-cooled 533 type ball-screw electric speed regulation disc type magnetic coupler (CFT533 series) of connecting It is characterized in that external rotor electric machine ball-screw speed adjusting gear, at a high speed revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling), Cascaded structure (is three groups of series connection shown in description, can connect two or more sets, structure is the same).
4. the organization plan of the series connection cold 533 type ball-screw electric speed regulation disc type magnetic coupler of liquid (CYT533 series) It is characterized in that external rotor electric machine ball-screw speed adjusting gear, at a high speed revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling), Cascaded structure (is three groups of series connection shown in description, can connect two or more sets, structure is the same), adds casing, and forced fluid is cold.
5. according to 533 type ball-screw electric adjustables described in claim 1, claim 2, claim 3, claim 4 Speed disc type magnetic coupler, is characterized in that using the technical method outer rotor of external rotor electric machine ball-screw speed adjusting gear speed governing Motor, ball-screw assembly, gear drive and the combination of lever lazy-tongs form external rotor electric machine ball-screw speed adjusting gear, During access failure power supply, the rotation Tong Bu with center driving axle of motor stator for outer rotator, rotor, ball-screw assembly, lever lazy-tongs Turn, geo-stationary, switch on power after switch, between External rotor electric machine rotor and stator, just relatively rotate (motor stator and center Power transmission shaft synchronous axial system), thus driven ball-screw assembly by gear drive, make rotation motion be in line slips, drive magnetic piece Fixed disk slides along center driving axle, thus changes the distance (magnetic field coupling gap) between magnetic piece fixed disk and inductive disks, reaches The purpose of variable speed energy saving, lever lazy-tongs ensure the magnetic piece fixed disk component synchronization adverse movement of both sides.
6. according to 533 type ball-screw electric adjustables described in claim 1, claim 2, claim 3, claim 4 Speed disc type magnetic coupler, is characterized in that the technical method using at a high speed revolution conductive contact is using brush and slip ring as dynamically Contact, connects brush, external external power source in slip ring, brush is assemblied on center driving axle, and center driving axle synchronous rotary, Slip ring is embedded in insulant and is internally formed stationary parts, is fixed on support, it is also possible to fill counter to brush and slip ring, by brush Inside connect slip ring, external external power source.
7. according to 533 type ball-screw electric adjustables described in claim 1, claim 2, claim 3, claim 4 Speed disc type magnetic coupler, is characterized in that the technical method electric speed regulation using electric speed regulation specialized high-speed swivel coupling is special High speed swivel coupling is made up of internal rotor and outer rotor two large divisions, outer rotor transfixion, in order to connect external power source, and interior turn Son and center driving axle synchronous high-speed rotate, both geo-stationary, and the current path of inner and outer rotors is by the principle of Electric contact theory.
8. according to the series connection 533 type ball-screw electric speed regulation disc type magnetic coupler described in claim 3, claim 4, It is characterized in that the technical method using magnetic coupling series connection external rotor electric machine ball-screw speed adjusting gear electric speed regulation passes through center driving Leader cable in axle controls several groups of external rotor electric machine ball-screw speed adjusting gears and moves simultaneously, and this method is in order to solve torsion high-power, high Square moves the variable speed energy saving of equipment.