CN105896928A - 532-model groove cam electric speed regulation disc magnetic coupler - Google Patents

Abstract

The invention provides a 532-model groove cam electric speed regulation disc magnetic coupler belonging to the field of power transmission, energy saving and emission reduction, moving equipment, and magnetic drive. A speed regulation system formed by an inner rotor motor, a groove cam, a lever synchronous mechanism, and a high-speed rotary conductive joint (or electric speed regulation special high-speed rotary joint) is utilized. The 532-model groove cam electric speed regulation disc magnetic coupler has four series which are an air-cooled 532-model groove cam electric speed regulation disc magnetic coupler (FT532), a liquid-cooled 532-model groove cam electric speed regulation disc magnetic coupler (YT532), a series connection air-cooled 532-model groove cam electric speed regulation disc magnetic coupler (CFT532), and a series connection liquid-cooled 532-model groove cam electric speed regulation disc magnetic coupler (CYT532). The present invention provides an economic and feasible method for the speed regulation and energy saving of the moving equipment.

Description

532 type grooved cam 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 look look, 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 active demands.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.Frequency 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 532 type grooved cam electric speed regulation disc type magnetic coupler of extending out air-cooled 532 type grooved cams electricity Dynamic speed governing disc type magnetic coupler (FT532 series), the cold 532 type grooved cam electric speed regulation disc type magnetic coupler (YT532 of liquid Series), air-cooled 532 type grooved cam electric speed regulation disc type magnetic coupler of connecting (CFT532 series), series connection cold 532 types of liquid Grooved cam electric speed regulation disc type magnetic coupler (CYT532 series).

Accompanying drawing explanation

Fig. 1 show air-cooled 532 type grooved cam electric speed regulation disc type magnetic coupler (FT532 series), the cold 532 type ditches of liquid Grooved cam electric speed regulation disc type magnetic coupler (YT532 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. 2 show the air-cooled 532 type grooved cam electric speed regulation disc type magnetic coupler of series connection (CFT532 series), and series connection liquid is cold 532 type grooved cam electric speed regulation disc type magnetic coupler (CYT532 series) add casing, and coolant is by pipeline on shell Turnover, forced fluid is cold.In Fig. 2, 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 532 type grooved cam 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 patch fixed disk assembly, and 3 and 9 is inner rotor motor grooved cam speed adjusting gear, and 6 are Revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling) at a high speed.

For 532 type grooved cam electric speed regulation disc type magnetic coupler of connecting (CFT532 series, CYT532 series), theoretical On can connect any group, can determine as required, Fig. 2 show 3 groups of series connection, and in figure, label 8 is the inductive disks of middle series connection Assembly and magnetic patch fixed disk assembly.

In four the most serial 532 type grooved cam electric speed regulation disc type magnetic coupler, all of inductive disks assembly is joined by caging bolt Knot composition outer rotor, all of magnetic patch fixed disk component string is associated on center driving axle, and inner rotor motor grooved cam governor Structure forms internal rotor together, and in center driving axle, live wire connects motor (motor stator, magnetic patch fixed disk assembly and center rotating Axle synchronous axial system) and the brush (with center driving axle geo-stationary) of high speed revolution conductive contact, turn round at a high speed the cunning of conductive contact Ring connects external power source.Two-way switch controls to enter the sense of current of motor, thus changes motor steering.Motor internal rotor drives Grooved cam assembly, makes rotation motion be in line slip, drives magnetic patch fixed disk to slide along center driving axle, thus changes magnetic Distance (magnetic field coupling gap) between block fixed disk assembly and inductive disks assembly, to reach the purpose of variable speed energy saving, (magnetic field couples The change in 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 patch fixed disk component synchronization counter motion of both sides.

Fig. 3 show A-A sectional view.Figure clearly illustrates magnetic patch, the distribution situation of lever lazy-tongs.

Fig. 4 show left DPU disk pack unit.

Fig. 5 show right DPU disk pack unit.

Fig. 6 show inner rotor motor grooved cam speed adjusting gear, by inner rotor motor, grooved cam assembly and lever synchronous motor Structure three part forms.In figure, label 3-21 is thread seal plug, and 3-34 is spacing back-up ring, and 3-32 is synchronizing bar, and 3-33 is Fine setting spring, 3-12 is contact material, and 3-11 uses electrically insulating material to inlay the combining structure of contact material, 3-8,3-10, 3-13,3-14,3-15,3-16 use electrically insulating material, and 3-30 is stator winding, and 3-31 is rotor windings, and 3-1 is groove Cam, 3-2 is that roller fixes axle (with motor center axle consubstantiality), and 3-24,3-27 are lever, and 3-29 is support (and motor Shell consubstantiality), motor is produced in batches by specialized factory.

Fig. 7 show series connection 532 type grooved cam electric speed regulation disc type magnetic coupler inner rotor motor grooved cam governors Structure, 9-1 is lining, power transmission shaft centered by 9-2.

Figure 19 show lever lazy-tongs schematic diagram.

Fig. 8, Fig. 9 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 Rotation Speed 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.Overcoat 6-4 expands in Fig. 9 periphery, and reinforced insulation protects, and eliminates left and right End cap is to simplify structure.

Figure 10, Figure 11 show inductive disks, protruding blade are distributed, to help heat radiation in card.During unknown device rotation direction, optional By shape shown in Figure 10, such as known device rotation direction, can be selected for the streamline shape shown in Figure 11, disturb increasing heat dissipation capacity reduction Flow noise.Heat dissipation capacity enough in the case of, inductive disks uses square position, shouldn't projection blade, to simplify manufacturing process.

Figure 12 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 Shaping, then carries out nested with center driving axle, with simplified processing process, reduces manufacturing cost.

Figure 13 show series connection 532 type grooved cam electric speed regulation disc type magnetic coupler (CFT532 series, CYT532 series) The inductive disks assembly of middle series connection and magnetic patch fixed disk assembly, inductive disks assembly is positioned magnetic coupling outer rotor by positioning sleeve 8-1,8-2 Connection screw rod on, magnetic patch fixed disk assembly has been slided position-limiting action on center driving axle by stop collar 8-8.

Figure 14 show FT532 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 patch fixed disk assembly 2 and 4 is adjusted with inner rotor motor grooved cam 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 patch 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 15, Figure 16, Figure 17, Figure 18 show electric speed regulation specialized high-speed swivel coupling, use modular series connection structure, Can connect any passage, be triple channel shown in Figure 15, Figure 16, 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 combining structure of contact material, and 6-14 is spring, is used for balancing Contact, 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 532 type grooved cam electric speed regulation disc type magnetic coupler were comprised respectively forms parts, modern industry manufacturing technology Processing and manufacturing.Motor, magnetic patch, bearing all can be formed a complete production network by specialized vendor, other parts machining, die forming, weldering Connect.

532 type grooved cam 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 (8)

1. Its feature of organization plan of the most air-cooled 532 type grooved cam electric speed regulation disc type magnetic coupler (FT532 series) It is inner rotor motor grooved cam speed adjusting gear, at a high speed revolution conductive contact (or electric speed regulation specialized high-speed swivel coupling).
2. 2. its feature of organization plan of the cold 532 type grooved cam electric speed regulation disc type magnetic coupler of liquid (YT532 series) It is inner rotor motor grooved cam 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. 3. the organization plan of air-cooled 532 type grooved cam electric speed regulation disc type magnetic coupler (CFT532 series) of connecting its Feature be inner rotor motor grooved cam 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 specification, can connect two or more sets, structure is the same).
4. 4. the organization plan of the series connection cold 532 type grooved cam electric speed regulation disc type magnetic coupler of liquid (CYT532 series) its Feature be inner rotor motor grooved cam 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 specification, can connect two or more sets, structure is the same), adds casing, and forced fluid is cold.
5. 5. according to 532 type grooved cam 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 internal rotor of inner rotor motor grooved cam speed adjusting gear speed governing Motor, grooved cam assembly and lever lazy-tongs combination application form inner rotor motor grooved cam speed adjusting gear, access failure electricity During source, inner rotor motor grooved cam speed adjusting gear and center driving axle synchronous rotary, geo-stationary, after the switch that switches on power, Rotor drives grooved cam assembly, makes rotation motion be in line slips, drive magnetic patch fixed disk along the slip of center driving axle, Thus change the distance (magnetic field coupling gap) between magnetic patch fixed disk and inductive disks, and reaching the purpose of variable speed energy saving, lever synchronizes Mechanism ensures the magnetic patch fixed disk component synchronization counter motion of both sides.
6. 6. according to 532 type grooved cam 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 insulating materials 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. 7. according to 532 type grooved cam 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. 8. according to the series connection 532 type grooved cam 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 inner rotor motor grooved cam speed adjusting gear electric speed regulation passes through center driving Leader cable in axle controls several groups of inner rotor motor grooved cam 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.