CN110429794A - Poly- magnetic eddy-current coupling - Google Patents
Poly- magnetic eddy-current coupling Download PDFInfo
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- CN110429794A CN110429794A CN201910739633.7A CN201910739633A CN110429794A CN 110429794 A CN110429794 A CN 110429794A CN 201910739633 A CN201910739633 A CN 201910739633A CN 110429794 A CN110429794 A CN 110429794A
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- 238000009434 installation Methods 0.000 claims description 59
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
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- 238000010000 carbonizing Methods 0.000 claims description 9
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- 230000002708 enhancing effect Effects 0.000 claims description 4
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
Abstract
The present invention provides a kind of poly- magnetic eddy-current coupling, including power rotor, driven rotor, linkage mechanism, supporting mechanism, executing agency, power rotor is connected with drive system, driven rotor load system is connected, power is transmitted by whirlpool magnetic coupling force, supporting mechanism provides support force for power rotor and driven rotor, two magnetic pole inlays of linkage mechanism connection driven rotor, enable two magnetic pole inlay synchronizing movings, the size of the coupling air gap of actuating mechanism controls power rotor and driven rotor, to realize the control for transmitting torque and load end revolving speed to permanent magnet eddy current coupling;The present invention uses poly- magnetic magnetic circuit, leakage field can be effectively reduced, magnetic utilization rate will be improved, and while efficient torsion pass, vibration and noise reducing, it can be realized the stepless time adjustment of output end revolving speed, especially at the low rotational speed can even running, have many advantages, such as that versatile, high reliablity, accommodative ability of environment are strong, can be widely applied in industrial production.
Description
Technical field
The present invention relates to a kind of poly- magnetic eddy-current couplings.
Background technique
As the technical level of China's industrial or agricultural obtains unprecedented development, the energy consumption rapid development in China, although closely
Several years, national energy development was adhered to saving development, Clean Development and security developments, adhere to walking it is high in technological content, low in resources consumption,
Energy development road low in the pollution of the environment, good in economic efficiency, safety is secure farthest realizes comprehensive, the coordination of the energy
And sustainable development, energy consumption slowdown in growth, but the energy deficiency in China is still severe, it is industrial in China now
In electric total amount, the electric energy of motor consumption accounts for about 65%, and the power consumption of blower, pump machinery accounts for national power consumption
30%.According to the relevant regulations of national standard, the operating status of motor used in industrial and mining enterprises can be divided into economical operation
State allows operating status and non-economy operating status, and current considerable motor and its dragging system are also in non-economy
Operating status has slatterned a large amount of electric energy in vain, affects the economic benefit of enterprise.Permanent magnet eddy current coupling is a kind of base
In the drive technology of the non-physical contact of whirlpool magnetic theory, there is many advantages, such as efficient driving, vibration and noise reducing, soft start, In
Show one's talent in numerous drive technologies, has become a hot topic of research.
Summary of the invention
In view of the above problems, the purpose of the invention patent is to provide a kind of poly- magnetic eddy-current coupling, in efficient torsion pass, vibration damping
While noise reduction, the stepless time adjustment of output end revolving speed can be realized, it especially at the low rotational speed being capable of even running.
The present invention provides a kind of poly- magnetic eddy-current coupling, including power rotor, driven rotor, linkage mechanism, supporting mechanism,
Executing agency, power rotor are connected with drive system, and driven rotor load system is connected, and are transmitted by whirlpool magnetic coupling force dynamic
Power, supporting mechanism provide support force for power rotor and driven rotor, and linkage mechanism connects two magnetic pole inlays of driven rotor,
Enable two magnetic pole inlay synchronizing movings, the size of the coupling air gap of actuating mechanism controls power rotor and driven rotor,
To realize the control for transmitting torque and load end revolving speed to permanent magnet eddy current coupling;The power rotor include terminal pad,
Ringfeder, connector sleeve, yoke rotor, copper rotor, driving shaft;The driving shaft is closed using high-strength aluminum alloy material or high-strength iron
Golden material, case-carbonizing processing, driving shaft design have axle center hole, under the premise of guaranteeing stiffness and strength, reduce to the maximum extent
Quality and rotary inertia;The driving shaft is connect with terminal pad using ringfeder, being capable of the company of adjusting while guaranteeing reliable transmission
The concentricity of disk and driving shaft is connect, to guarantee the concentricity between driving shaft and yoke rotor, copper rotor and connector sleeve;Even
Disk is connect using boss structure, to enhance its rotational stiffness, design has positioning spigot in terminal pad, guarantees terminal pad and yoke rotor
Concentricity, terminal pad uses high-strength stainless steel material, and terminal pad and yoke rotor use stainless steel process hole to be bolted,
While effectively transmitting torque, so that the magnetic line of force forms closed magnetic loop in yoke rotor, reduce the magnetic line of force to terminal pad
And the extension of driving shaft, increase magnetic field ground effective rate of utilization to the maximum extent;There is with 15 ° design on yoke rotor lateral surface
Tilt angle ground high density fin structure, with increasing heat dissipation area meanwhile, it is capable to formed in yoke rotor rotation process compared with
Strong air flowing, enhances forced convertion effect, to reduce the operating temperature of yoke rotor;Yoke rotor and copper rotor use
The connection of stainless steel dormant bolt, design has positioning spigot between yoke rotor and copper rotor, adopts between yoke rotor and copper rotor
With interference fit, guarantee the concentricity between yoke rotor and copper rotor;Yoke rotor and connector sleeve use stainless steel process hole
It being bolted, design has positioning spigot between yoke rotor and connector sleeve, interference fit is used between yoke rotor and connector sleeve,
Guarantee the concentricity between yoke rotor and connector sleeve, yoke rotor is symmetrically distributed in connector sleeve two sides, and the connector sleeve uses
440 stainless steels, middle part design have kidney-shaped lightening hole, under the premise of guaranteeing stiffness and strength, reduce quality to the maximum extent.
The main body magnetic circuit of the poly- magnetic eddy-current coupling is the radial magnetic circuit of N-S being made of multiple permanent magnets, permanent magnet
Along axial charging, top and bottom are respectively the pole N and the pole S, and N-S magnetic circuit is formed between two adjacent permanent magnets, therein effective
Magnetic circuit can pass through copper rotor and yoke rotor, and magnetic coupling force is converted to driving force, realize power transmitting, go back in N-S magnetic circuit
Some magnetic circuit is present between two permanent magnets, cannot pass through copper rotor and yoke rotor, meaningless to power transmitting, forever
The magnetic utilization rate of magnet is had a greatly reduced quality;For the magnetic utilization rate for improving permanent magnet, a shielding is arranged between every two permanent magnet
Magnet shields magnet along axial charging, and two sides are respectively the pole N and the pole S, using homopolar-repulsion principle so that adjacent permanent magnet it
Between all magnetic circuits for being formed can pass through copper rotor and yoke rotor, radial magnetic circuit is adjusted to poly- magnetic magnetic circuit.
The driven rotor includes driven shaft, magnetic pole inlay, permanent magnet supports rotor, oil nozzle A, sliding bar, transmission transition
Part, double bolts, sliding sleeve, holding screw, permanent magnet, positioning sleeve;Magnetic pole inlay is transferred torque to by sliding bar to be driven
Cross part, be driven between transition piece and driven shaft mating surface use the structure type of three arc surfaces and three inclined-planes, Ji Nengbao
The reliable delivery torque demonstrate,proving driven shaft and being driven between transition piece, and can guarantee coaxial between driven shaft and transmission transition piece
Degree;The driven shaft uses high-strength aluminum alloy material or high-strength iron alloy material, case-carbonizing processing, and driven shaft design has
Axle center hole reduces quality and rotary inertia under the premise of guaranteeing stiffness and strength to the maximum extent;Transmission transition piece side passes through
The shaft shoulder of driven shaft positions, and the other side is positioned by positioning sleeve, and the positioning sleeve uses copper material, and magnetic pole inlay is mounted on positioning
It puts on, and can be free to slide on positioning sleeve, magnetic pole inlay uses 7075 high-strength aluminum alloy materials, magnetic pole inlay and positioning
The contact surface case-carbonizing of set is handled, and reduces the coefficient of sliding friction between magnetic pole inlay and positioning sleeve;It is designed on magnetic pole inlay
There is mounting table, for installing permanent magnet supports rotor, permanent magnet supports rotor is ring structure, on permanent magnet supports rotor
Bolt occurs in pairs, to guarantee the reliability being connected by screw bolts;Magnetic pole inlay and permanent magnet supports rotor form sector space,
Sector space quadrangle is designed with fabrication hole, prevents because of the wall and corner effect in process, so that permanent magnet can not be installed;Permanent magnetism
Body even number in magnetic pole inlay is distributed, and magnetic pole inlay is symmetrical in transmission transition piece two sides, between magnetic pole inlay and sliding bar
Design has sliding sleeve, and sliding sleeve is embedded in magnetic pole inlay, and is fixed with holding screw, and sliding sleeve uses copper material, to reduce
Magnetic pole inlay force of sliding friction, sliding bar uses 7075 high-strength aluminum alloy materials, maximum under the premise of guaranteeing stiffness and strength
Reduce quality to limit;It sliding bar totally three, is uniformly distributed, and is fixed on transmission transition piece by gland.
Linkage mechanism includes U-shaped bar, shaft A, transiting rod, shaft B, rotational swing rod, oil nozzle B, rotation axis, fixed plate;Connection
Motivation structure uses cruciform symmetry structure, and totally three sets, space symmetr distribution, the U-shaped bar at both ends is connected with the magnetic pole inlay of two sides,
There are three square grooves for back side design in magnetic pole inlay, and corresponding another side is circular trough, and U-shaped bar is preferably installed in slot and uses nut
Fixed, circular trough and U-shaped bar use transition fit, and square groove prevents U-shaped bar from installing and rotating in operational process, so that
Linkage mechanism generates redundant force;Transiting rod one end and U-shaped bar are hinged, and the other end is hinged with rotational swing rod, and rotational swing rod is around rotation
Axis rotation, rotation axis are fixed on transmission transition piece by fixed plate, and rotation axis design has inner hole, and bottom design has cross to slit
Mouthful, top design has oil nozzle B, is placed with lubricating oil in rotation axis, so that linkage mechanism rotates freely.
Executing agency includes double lead worm type of reduction gearing, right-angle reduction device, motor, pull rod, swing rod, executing agency's peace
Fill pedestal, connecting rod, bearing installation housing, sliding axle, pressing plate, positioning bolt, hinged installation watt, spherical tile, rotating shaft C, lip shape
Sealing ring, angular contact ball bearing A, bearing holder (housing, cover), bearing install inner sleeve, bearing (ball) cover, sliding slot set;The motor is mounted on right angle and subtracts
On fast device, right-angle reduction device can reduce the horizontal space of equipment while realizing deceleration;The right-angle reduction device other end
Double lead worm type of reduction gearing are connected, double lead worm type of reduction gearing can eliminate gap and backlash, realize to magnetic field gas
The accurate control of gap, double lead worm type of reduction gearing output ends are connected with swing rod, and swing rod is driven by flexural pivot connection mechanism and drawn
Bar movement, pull rod are connected by flexural pivot connection mechanism with connecting rod;The flexural pivot connection mechanism includes positioning bolt, hinged installation
Watt, spherical tile, rotating shaft C, handled with swing rod or the mating surface surface carburization of connecting rod in rotating shaft C, the surface for enhancing mating surface is hard
Degree, reduces abrasion, and the other end of rotating shaft C passes through positioning bolt, the relative position of fixed spherical tile and rotating shaft C, spherical tile installation
Again in hinged installation watt, the mating surface of spherical tile and hinged installation watt is spherical surface, to increase between swing rod, pull rod and connecting rod
Flexibility ratio, reduce the redundant force of generation, spherical tile is made using the polytetrafluoroethylene (PTFE) for having self-lubricating function, to reduce
The frictional force of flexural pivot connection mechanism;The other end design of hinged installation watt has screw thread, connect with pull rod screw, and is carried on the back extremely with nut,
To enhance the reliability of connection;Connecting rod is fixed on outside bearing installation and puts on, and bearing is installed between housing and bearing installation inner sleeve
It is self-seal type that design, which has a pair of of angular contact ball bearing A, angular contact ball bearing A, and design has bearing between two angular contact ball bearing A
Set, to adjust the bearing sideshake between angular contact ball bearing A, so that bearing is in optimal operational condition, bearing installs inner sleeve peace
It is bolted on output shaft, and with magnetic pole inlay;Bearing installs an end cap of housing on sliding slot set, and sliding slot is put on uniformly
Three sections of helicla flutes are distributed with, there are three sliding axle, sliding axle is fixed on bearing by pressing plate and installs the outer design that puts on of bearing installation
Put on outside, sliding axle bearing install outer slipped-on position can minor adjustment, to guarantee sliding axle along bearing installation housing normal
Direction, so that sliding axle and helicla flute reliable contacts always, design has blind hole in sliding axle, and there are three needles in lateral layout
Lubricant grease is placed in blind hole in hole, and sliding axle top design has oil nozzle, passes through pin hole self-lubricate sliding axle and helicla flute;
Sliding slot set is bolted in bearing support installation set.
Supporting mechanism includes oil nozzle A, support ear mount, support base, spring bearing installation set, y-shaped ring, angular contact ball
Bearing B provides support force for sub or slave turn of main turn;Angular contact ball bearing B uses self-seal type, angular contact ball bearing B
Using the assembling form of formal dress, it is mounted in spring bearing installation set, the integral installation of spring bearing installation set is supporting in ear mount,
The design of spring bearing installation set both ends has y-shaped ring, realizes effectively dynamic sealing;Support ear mount is bolted on support
On pedestal, and design has positioning spigot, guarantees to obtain relative positional relationship between support ear mount and support base, support base passes through
Bolt is fixed on mounting platform.
The present invention has many advantages, such as versatile, high reliablity, strong accommodative ability of environment, can be widely applied to industry
In production.
Detailed description of the invention
Fig. 1 is poly- magnetic eddy-current coupling axonometric drawing 1 according to embodiment of the present invention;
Fig. 2 is poly- magnetic eddy-current coupling main view according to embodiment of the present invention;
Fig. 3 is poly- magnetic eddy-current coupling axonometric drawing 2 according to embodiment of the present invention;
Fig. 4 is poly- magnetic eddy-current coupling top view according to embodiment of the present invention;
Fig. 5 is poly- magnetic eddy-current coupling driven rotor axonometric drawing 1 according to embodiment of the present invention;
Fig. 6 is poly- magnetic eddy-current coupling driven rotor main view according to embodiment of the present invention;
Fig. 7 is poly- magnetic eddy-current coupling driven rotor linkage mechanism axonometric drawing according to embodiment of the present invention;
Fig. 8 is poly- magnetic eddy-current coupling driven rotor sliding bar according to embodiment of the present invention;
Fig. 9 is poly- magnetic eddy-current coupling linkwork axonometric drawing according to embodiment of the present invention;
Figure 10 is poly- magnetic eddy-current coupling driven rotor part body axonometric drawing according to embodiment of the present invention
1;
Figure 11 is poly- magnetic eddy-current coupling driven rotor part body main view according to embodiment of the present invention;
Figure 12 is poly- magnetic eddy-current coupling driven rotor part body axonometric drawing according to embodiment of the present invention
2;
Figure 13 is poly- magnetic eddy-current coupling supporting mechanism axonometric drawing according to embodiment of the present invention;
Figure 14 is poly- magnetic eddy-current coupling permanent magnet installing mechanism axonometric drawing 1 according to embodiment of the present invention;
Figure 15 is poly- magnetic eddy-current coupling permanent magnet installing mechanism axonometric drawing 2 according to embodiment of the present invention;
Figure 16 is poly- magnetic eddy-current coupling permanent magnet distribution map according to embodiment of the present invention;
Figure 17 is poly- magnetic eddy-current coupling active roller axonometric drawing according to embodiment of the present invention;
Figure 18 is poly- magnetic eddy-current coupling power rotor part body axonometric drawing according to embodiment of the present invention
1;
Figure 19 is poly- magnetic eddy-current coupling power rotor part body axonometric drawing according to embodiment of the present invention
2。
In figure: 1, driving shaft;2, supporting mechanism;3, power rotor;4, driven rotor;5, executing agency;6, driven shaft;7,
Magnetic pole inlay;8, permanent magnet supports rotor;9, oil nozzle A;10, double lead worm type of reduction gearing;11, right-angle reduction device;12, electric
Machine;13, pull rod;14, flexural pivot connection mechanism;15, swing rod;16, executing agency's mounting seat;17, mounting platform;18, connecting rod;
19, U-shaped bar;20, shaft A;21, transiting rod;22, shaft B;23, rotational swing rod;24, oil nozzle B;25, rotation axis;26, it slides
Bar;27, bearing installs housing;28, sliding axle;29, pressing plate;30, positioning bolt;31, hinged installation watt;32, spherical tile;33,
Rotating shaft C;34, it is driven transition piece;35, fixed plate;36, ear mount is supported;37, lip-type packing;38, angular contact ball bearing A;39,
Bearing holder (housing, cover);40, bearing with solid lubricant;41, bearing installs inner sleeve;42, bearing (ball) cover;43, sliding slot set;44, support base;45,
Spring bearing installation set;46, y-shaped ring;47, angular contact ball bearing B;48, double bolts;49, sliding sleeve;50, holding screw;
51, permanent magnet;52, terminal pad;53, ringfeder;54, connector sleeve;55, yoke rotor;56, copper rotor;57, positioning sleeve;58, it shields
Magnet.
Specific embodiment
Embodiment according to the present invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, poly- magnetic eddy-current coupling, including power rotor 3, driven rotor 4, linkage mechanism, supporting mechanism, hold
Row mechanism 5, power rotor 3 are connected with drive system, and 4 load system of driven rotor is connected, and are transmitted by whirlpool magnetic coupling force
Power, supporting mechanism is power rotor 3 and driven rotor 4 provides support force, and linkage mechanism connects two magnetic poles of driven rotor
Inlay, enables two magnetic pole inlay synchronizing movings, and executing agency 5 controls the coupling air gap of power rotor 3 and driven rotor 4
Size, to realize the control for transmitting torque and load end revolving speed to permanent magnet eddy current coupling;The power rotor 3 includes
Terminal pad 52, ringfeder 53, connector sleeve 54, yoke rotor 55, copper rotor 56, driving shaft 1;The driving shaft 1 is using high-intensitive aluminium
Alloy material or high-strength iron alloy material, case-carbonizing processing, the design of driving shaft 1 have axle center hole, are guaranteeing stiffness and strength
Under the premise of, quality and rotary inertia are reduced to the maximum extent;The driving shaft 1 is connect with terminal pad 52 using ringfeder 53, is being protected
While card reliable transmission, the concentricity of terminal pad and driving shaft can be adjusted, thus guarantee driving shaft 1 and yoke rotor 55,
Concentricity between copper rotor 56 and connector sleeve 54;Terminal pad 52 uses boss structure, to enhance its rotational stiffness, terminal pad
Design has positioning spigot on 52, guarantees that the concentricity of terminal pad 52 and yoke rotor 55, terminal pad 52 use high-strength stainless steel
Material, terminal pad 52 are bolted with yoke rotor 55 using stainless steel process hole, while effectively transmitting torque, so that magnetic
The line of force forms closed magnetic loop in yoke rotor 55, reduces extension of the magnetic line of force to terminal pad 52 and driving shaft 1, maximum limit
Degree ground with increasing magnetic field effective rate of utilization;Design has with 15 ° of tilt angles high density fin on 55 lateral surface of yoke rotor
Structure, with increasing heat dissipation area meanwhile, it is capable to form stronger air flowing in 55 rotation process of yoke rotor, enhancing is by force
Convection effects processed, to reduce the operating temperature of yoke rotor 55;Yoke rotor 55 and copper rotor 56 use stainless steel countersunk head spiral shell
It tethers and connects, design has positioning spigot between yoke rotor 55 and copper rotor 56, uses between yoke rotor 55 and copper rotor 56
It is full of cooperation, guarantees the concentricity between yoke rotor 55 and copper rotor 56;Yoke rotor 55 and connector sleeve 54 are twisted using stainless steel
Drilling is bolted, and design has positioning spigot between yoke rotor 55 and connector sleeve 54, between yoke rotor 55 and connector sleeve 54
Using interference fit, guarantee the concentricity between yoke rotor 55 and connector sleeve 54, yoke rotor 55 is symmetrically distributed in connector sleeve
54 two sides, the connector sleeve 54 use 440 stainless steels, and middle part design has kidney-shaped lightening hole, under the premise of guaranteeing stiffness and strength,
Quality is reduced to the maximum extent.
The main body magnetic circuit of the poly- magnetic eddy-current coupling is the radial magnetic circuit of N-S being made of multiple permanent magnets 51, permanent magnetism
For body 51 along axial charging, top and bottom are respectively the pole N and the pole S, form N-S magnetic circuit between two adjacent permanent magnets 51, wherein
Effective magnetic circuit can pass through copper rotor 56 and yoke rotor 55, magnetic coupling force is converted into driving force, realizes power transmitting, N-
Some magnetic circuit is present between two permanent magnets 51 in S magnetic circuit, cannot pass through copper rotor 56 and yoke rotor 55, to dynamic
Power transmitting is meaningless, so that the magnetic utilization rate of permanent magnet 51 is had a greatly reduced quality;For improve permanent magnet 51 magnetic utilization rate, in every two
A shielding magnet 58 is arranged between permanent magnet 51, for shielding magnet 58 along axial charging, two sides are respectively the pole N and the pole S, using same
Pole is repelled each other principle, and all magnetic circuits formed between adjacent permanent magnet 51 is enabled to pass through copper rotor 56 and yoke rotor 55, will
Radial magnetic circuit is adjusted to poly- magnetic magnetic circuit.
The driven rotor 4 includes driven shaft 6, magnetic pole inlay 7, permanent magnet supports rotor 8, oil nozzle A9, sliding bar 26, passes
Dynamic transition piece 34, double bolts 48, sliding sleeve 49, holding screw 50, permanent magnet 51, positioning sleeve 57;Magnetic pole inlay 7 passes through sliding bar
26 transfer torque to transmission transition piece 34, be driven between transition piece 34 and driven shaft 6 mating surface using three arc surfaces with
The structure type on three inclined-planes, not only can guarantee driven shaft 6 and be driven transition piece 34 between reliable delivery torque, but also can guarantee from
Concentricity between moving axis 6 and transmission transition piece 34;The driven shaft 6 uses high-strength aluminum alloy material or high-strength iron alloy
Material, case-carbonizing processing, the design of driven shaft 6 have axle center hole, under the premise of guaranteeing stiffness and strength, reduce matter to the maximum extent
Amount and rotary inertia;It is driven 34 side of transition piece to position by the shaft shoulder of driven shaft, the other side is positioned by positioning sleeve, described fixed
Position set 57 uses copper material, and magnetic pole inlay 7 is mounted on positioning sleeve, and can be free to slide on positioning sleeve 57, magnetic pole inlay 7
Using 7075 high-strength aluminum alloy materials, the contact surface case-carbonizing of magnetic pole inlay 7 and positioning sleeve 57 is handled, and reduces magnetic pole inlay
The coefficient of sliding friction between 7 and positioning sleeve 57;Design has mounting table on magnetic pole inlay 7, turns for installing permanent magnet supports
Son 8, permanent magnet supports rotor 8 are ring structure, and the bolt on permanent magnet supports rotor 8 occurs in pairs, to guarantee using bolt
The reliability of connection;Magnetic pole inlay 7 and permanent magnet supports rotor 8 form sector space, and sector space quadrangle is designed with technique
Hole is prevented because of the wall and corner effect in process, so that permanent magnet 51 can not be installed;The even number in magnetic pole inlay 7 of permanent magnet 51
Distribution, magnetic pole inlay 7 is symmetrical in transmission transition piece two sides, and design has sliding sleeve 49 between magnetic pole inlay 7 and sliding bar 26,
Sliding sleeve 49 is embedded in magnetic pole inlay 7, and fixed with holding screw 50, and sliding sleeve 49 uses copper material, embedding to reduce magnetic pole
7 force of sliding friction of body, sliding bar 26 use 7075 high-strength aluminum alloy materials, under the premise of guaranteeing stiffness and strength, maximum limit
Degree ground reduces quality;It sliding bar 26 totally three, is uniformly distributed, and is fixed on transmission transition piece 34 by gland.
Linkage mechanism includes U-shaped bar 19, shaft A20, transiting rod 21, shaft B22, rotational swing rod 23, oil nozzle B24, rotation
Axis 25, fixed plate 35;Linkage mechanism uses cruciform symmetry structure, and totally three sets, space symmetr is distributed, the U-shaped bar 19 at both ends and two
The magnetic pole inlay 7 of side is connected, and there are three square grooves for back side design in magnetic pole inlay 7, and corresponding another side is circular trough, U-shaped bar
19 are preferably installed in slot and are secured with nuts, and circular trough and U-shaped bar 19 use transition fit, and square groove prevents U-shaped bar from pacifying
It fills and rotates in operational process, so that linkage mechanism generates redundant force;21 one end of transiting rod and U-shaped bar 19 are hinged, another
End is hinged with rotational swing rod 23, and rotational swing rod 23 is rotated around rotation axis 25, and rotation axis 25 is fixed on by fixed plate 35 and was driven
It crosses on part 34, the design of rotation axis 25 has inner hole, and bottom design has cross gap, and top design has oil nozzle B24, puts in rotation axis 25
It is equipped with lubricating oil, so that linkage mechanism rotates freely.
Executing agency 5 includes double lead worm type of reduction gearing 10, right-angle reduction device 11, motor 12, pull rod 13, swing rod
15, executing agency's mounting seat 16, connecting rod 18, bearing installation housing 27, sliding axle 28, pressing plate 29, positioning bolt 30, hinged
Installation watt 31, spherical tile 32, rotating shaft C 33, lip-type packing 37, angular contact ball bearing A38, bearing holder (housing, cover) 39, bearing install inner sleeve
41, bearing (ball) cover 42, sliding slot set 43;The motor 12 is mounted on right-angle reduction device 11, and right-angle reduction device 11 is realizing deceleration
While function, the horizontal space of equipment can be reduced;11 other end of right-angle reduction device connects double lead worm type of reduction gearing
10, double lead worm type of reduction gearing 10 can eliminate gap and backlash, realize the accurate control to magnetic gap, double lead snails
10 output end of worm and gear retarder is connected with swing rod 15, and swing rod 15 drives pull rod 13 to move by flexural pivot connection mechanism, pull rod 13
It is connected by flexural pivot connection mechanism with connecting rod 18;The flexural pivot connection mechanism includes positioning bolt 30, hinged installation watt 31, spherical shape
Watt 32, rotating shaft C 33 handle in rotating shaft C 33 with swing rod 15 or the mating surface surface carburization of connecting rod 18, enhance the surface of mating surface
Hardness reduces abrasion, and the other end of rotating shaft C 33 fixes the relative position of spherical tile 32 with rotating shaft C 33 by positioning bolt 30,
The installation of spherical tile 32 is again in hinged installation watt 31, and the mating surface of spherical tile 32 and hinged installation watt 31 is spherical surface, to increase swing rod
15, the flexibility ratio between pull rod 13 and connecting rod 18 reduces the redundant force of generation, and spherical tile 32, which uses, has self-lubricating function
Polytetrafluoroethylene (PTFE) be made, to reduce the frictional force of flexural pivot connection mechanism;The other end design of hinged installation watt 31 has screw thread,
It is threadedly coupled with pull rod 12, and carries on the back dead, to connect with enhancing reliability with nut;Connecting rod 18 is fixed on bearing installation housing 27
On, design has a pair of of angular contact ball bearing A38, angular contact ball bearing between bearing installation housing 27 and bearing installation inner sleeve 41
A38 is self-seal type, and design has bearing holder (housing, cover) 39 between two angular contact ball bearing A38, to adjust between angular contact ball bearing A38
Bearing sideshake, so that bearing is in optimal operational condition, bearing installation inner sleeve is mounted on output shaft, and with 7 spiral shell of magnetic pole inlay
It tethers and connects;Bearing installs an end cap of housing 27 on sliding slot set 43, is evenly distributed with three sections of helicla flutes, bearing on sliding slot set 43
Installing design on housing 27, there are three sliding axles 28, sliding axle 28 to be fixed on bearing by pressing plate 29 and install on housing 27, sliding
Axis 28 bearing installation housing 27 on position can minor adjustment, with guarantee sliding axle 28 along bearing install 27 normal side of housing
To so that sliding axle 28 and helicla flute reliable contacts always, design has blind hole in sliding axle 28, and there are three needles in lateral layout
Lubricant grease is placed in blind hole in hole, and 28 top design of sliding axle has oil nozzle, passes through pin hole self-lubricate sliding axle 28 and spiral
Slot;Sliding slot set 43 is bolted in bearing support installation set 45.
Supporting mechanism includes oil nozzle A9, support ear mount 36, support base 44, spring bearing installation set 45, y-shaped ring
46, angular contact ball bearing B47 provides support force for power rotor 3 or driven rotor 4;Angular contact ball bearing B47 uses self-sealing
Type, angular contact ball bearing B47 use the assembling form of formal dress, are mounted in spring bearing installation set 45, spring bearing installation set
In support ear mount 36, the design of 45 both ends of spring bearing installation set has y-shaped ring 46 for 45 integral installations, realizes that effective earthquake is close
Envelope;Support ear mount 36 is bolted in support base 44, and design has positioning spigot, guarantees support ear mount 36 and support
Relative positional relationship is obtained between pedestal 44, support base 44 is bolted on mounting platform 17.
The working method of one illustrative embodiments of poly- magnetic eddy-current coupling is as follows, can also otherwise work.
Drive system is connected with power rotor 3, and load is connected with driven rotor 4, and drive system drives power rotor 3
Rotation, power rotor 3 cut air-gap field caused by driven rotor 4, the inductive loop of alternation, alternation are generated on copper rotor 56
Vortex generates alternating magnetic field, and alternating magnetic field and former magnetic field generate magnetic coupling force, drives driven rotor 4 to rotate, to realize load
The rotation at end, when the speed difference between power rotor 3 and driven rotor 4 is smaller and smaller, magnetic coupling force is smaller and smaller, final steady
It is scheduled under certain speed difference and runs, to realize the reliable delivery of torque.
Control system controls motor 12 and rotates, and motor 12 passes through right-angle reduction device 11 and double lead worm type of reduction gearing
10 control swing rods 15 are swung, and swing rod 15 controls bearing installation housing 27 by pull rod 13 and connecting rod 18 and rotates, due to sliding
Axis 28 is mounted in 43 sets of sliding slot, therefore bearing installs 27 helical rotation of housing, and bearing installs housing 27 and bearing installs inner sleeve
Design has a pair of of angular contact ball bearing A38 between 41, and bearing is installed the rotation point between housing 27 and bearing installation inner sleeve 41
From bearing installation inner sleeve 41 is axially moveable, to drive magnetic pole inlay 7 mobile, two magnetic pole inlays 7 are same by linkage mechanism
Moved further guarantees the consistent of two sides air-gap field, thus the power of synchronous change cutting magnetic field, so that produced by 56 on copper rotor
Alternation be vortexed and change, and then change alternating magnetic field, the final magnetic coupling force for changing alternating magnetic field and former magnetic field generates is realized pair
Transmit the control of torque and load end output revolving speed.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (5)
1. a kind of poly- magnetic eddy-current coupling, which is characterized in that including power rotor, driven rotor, linkage mechanism, supporting mechanism,
Executing agency, power rotor are connected with drive system, and driven rotor load system is connected, and are transmitted by whirlpool magnetic coupling force dynamic
Power, supporting mechanism provide support force for power rotor and driven rotor, and linkage mechanism connects two magnetic pole inlays of driven rotor,
Enable two magnetic pole inlay synchronizing movings, the size of the coupling air gap of actuating mechanism controls power rotor and driven rotor,
To realize the control for transmitting torque and load end revolving speed to permanent magnet eddy current coupling;The power rotor include terminal pad,
Ringfeder, connector sleeve, yoke rotor, copper rotor, driving shaft;The driving shaft is closed using high-strength aluminum alloy material or high-strength iron
Golden material, case-carbonizing processing, driving shaft design have axle center hole, under the premise of guaranteeing stiffness and strength, reduce to the maximum extent
Quality and rotary inertia;The driving shaft is connect with terminal pad using ringfeder, being capable of the company of adjusting while guaranteeing reliable transmission
The concentricity of disk and driving shaft is connect, to guarantee the concentricity between driving shaft and yoke rotor, copper rotor and connector sleeve;Even
Disk is connect using boss structure, to enhance its rotational stiffness, design has positioning spigot in terminal pad, guarantees terminal pad and yoke rotor
Concentricity, terminal pad uses high-strength stainless steel material, and terminal pad and yoke rotor use stainless steel process hole to be bolted,
While effectively transmitting torque, so that the magnetic line of force forms closed magnetic loop in yoke rotor, reduce the magnetic line of force to terminal pad
And the extension of driving shaft, increase magnetic field ground effective rate of utilization to the maximum extent;There is with 15 ° design on yoke rotor lateral surface
Tilt angle ground high density fin structure, with increasing heat dissipation area meanwhile, it is capable to formed in yoke rotor rotation process compared with
Strong air flowing, enhances forced convertion effect, to reduce the operating temperature of yoke rotor;Yoke rotor and copper rotor use
The connection of stainless steel dormant bolt, design has positioning spigot between yoke rotor and copper rotor, adopts between yoke rotor and copper rotor
With interference fit, guarantee the concentricity between yoke rotor and copper rotor;Yoke rotor and connector sleeve use stainless steel process hole
It being bolted, design has positioning spigot between yoke rotor and connector sleeve, interference fit is used between yoke rotor and connector sleeve,
Guarantee the concentricity between yoke rotor and connector sleeve, yoke rotor is symmetrically distributed in connector sleeve two sides, and the connector sleeve uses
440 stainless steels, middle part design have kidney-shaped lightening hole, under the premise of guaranteeing stiffness and strength, reduce quality to the maximum extent;
The main body magnetic circuit of the poly- magnetic eddy-current coupling is the radial magnetic circuit of N-S being made of multiple permanent magnets, and permanent magnet is along axis
To magnetizing, top and bottom are respectively the pole N and the pole S, and N-S magnetic circuit is formed between two adjacent permanent magnets, effective in N-S magnetic circuit
Magnetic circuit can pass through copper rotor and yoke rotor, and magnetic coupling force is converted to driving force, realize power transmitting, go back in N-S magnetic circuit
Some magnetic circuit is present between two permanent magnets, cannot pass through copper rotor and yoke rotor, and meaningless, drop is transmitted to power
The low magnetic utilization rate of permanent magnet;For the magnetic utilization rate for improving permanent magnet, a shielding magnetic is arranged between every two permanent magnet
Body shields magnet along axial charging, and two sides are respectively the pole N and the pole S, using homopolar-repulsion principle, so that between adjacent permanent magnet
All magnetic circuits formed can pass through copper rotor and yoke rotor, and radial magnetic circuit is adjusted to poly- magnetic magnetic circuit.
2. poly- magnetic eddy-current coupling according to claim 1, which is characterized in that [5] driven rotor include driven shaft,
Magnetic pole inlay, permanent magnet supports rotor, oil nozzle A, sliding bar, transmission transition piece, double bolts, sliding sleeve, holding screw, permanent magnetism
Body, positioning sleeve;Magnetic pole inlay transfers torque to transmission transition piece by sliding bar, is driven between transition piece and driven shaft and matches
Conjunction face uses the structure type of three arc surfaces and three inclined-planes, both can guarantee driven shaft and the reliable biography being driven between transition piece
Torque delivery, and the concentricity that can guarantee driven shaft and be driven between transition piece;The driven shaft uses high-strength aluminum alloy material
Or high-strength iron alloy material, case-carbonizing processing, driven shaft design have axle center hole, under the premise of guaranteeing stiffness and strength, most
Reduce quality and rotary inertia to limits;It is driven transition piece side to position by the shaft shoulder of driven shaft, the other side passes through positioning
Set positioning, the positioning sleeve use copper material, and magnetic pole inlay is mounted on positioning sleeve, and can be free to slide on positioning sleeve,
Magnetic pole inlay uses 7075 high-strength aluminum alloy materials, and the contact surface case-carbonizing of magnetic pole inlay and positioning sleeve is handled, and reduces magnetic
The coefficient of sliding friction between pole inlay and positioning sleeve;Design has mounting table on magnetic pole inlay, for installing permanent magnet supports
Rotor, permanent magnet supports rotor are ring structure, and the bolt on permanent magnet supports rotor occurs in pairs, to guarantee to connect using bolt
The reliability connect;Magnetic pole inlay and permanent magnet supports rotor form sector space, and sector space quadrangle is designed with fabrication hole, prevent
Only because of the wall and corner effect in process, so that permanent magnet can not be installed;Permanent magnet even number in magnetic pole inlay is distributed, and magnetic pole is embedding
Body is symmetrical in transmission transition piece two sides, and design has sliding sleeve between magnetic pole inlay and sliding bar, and sliding sleeve is embedded in magnetic pole
It in inlay, and is fixed with holding screw, sliding sleeve uses copper material, and to reduce magnetic pole inlay force of sliding friction, sliding bar is used
7075 high-strength aluminum alloy materials reduce quality under the premise of guaranteeing stiffness and strength to the maximum extent;Sliding bar totally three,
It is uniformly distributed, and is fixed on transmission transition piece by gland.
3. poly- magnetic eddy-current coupling according to claim 1, which is characterized in that [6] linkage mechanism includes U-shaped bar, shaft
A, transiting rod, shaft B, rotational swing rod, oil nozzle B, rotation axis, fixed plate;Linkage mechanism use cruciform symmetry structure, totally three sets,
Space symmetr distribution, the U-shaped bar at both ends are connected with the magnetic pole inlay of two sides, and there are three rectangular for back side design in magnetic pole inlay
Slot, corresponding another side is circular trough, and U-shaped bar is preferably installed in slot and is secured with nuts, and circular trough is matched with U-shaped bar using transition
It closes, square groove prevents U-shaped bar from installing and rotating in operational process, so that linkage mechanism generates redundant force;Transiting rod one
End is hinged with U-shaped bar, and the other end is hinged with rotational swing rod, and rotational swing rod is rotated around rotation axis, and rotation axis is fixed by fixed plate
On transmission transition piece, rotation axis design has inner hole, and bottom design has cross gap, and top design has oil nozzle B, puts in rotation axis
It is equipped with lubricating oil, so that linkage mechanism rotates freely.
4. poly- magnetic eddy-current coupling according to claim 1, which is characterized in that executing agency includes double lead worm and gears
Retarder, right-angle reduction device, motor, pull rod, swing rod, executing agency's mounting seat, connecting rod, bearing installation housing, sliding axle,
Pressing plate, positioning bolt, hinged installation watt, spherical tile, rotating shaft C, lip-type packing, angular contact ball bearing A, bearing holder (housing, cover), bearing peace
Fill inner sleeve, bearing (ball) cover, sliding slot set;The motor is mounted on right-angle reduction device, and right-angle reduction device is realizing deceleration
Meanwhile, it is capable to reduce the horizontal space of equipment;The right-angle reduction device other end connects double lead worm type of reduction gearing, double lead snails
Worm and gear retarder can eliminate gap and backlash, realize the accurate control to magnetic gap, double lead worm type of reduction gearing
Output end is connected with swing rod, and swing rod drives pull rod movement by flexural pivot connection mechanism, and pull rod passes through flexural pivot connection mechanism and connecting rod
It is connected;The flexural pivot connection mechanism includes positioning bolt, hinged installation watt, spherical tile, rotating shaft C, in rotating shaft C with swing rod or connection
The mating surface surface carburization of bar is handled, and enhances the surface hardness of mating surface, reduces abrasion, and the other end of rotating shaft C passes through positioning spiral shell
Bolt, the relative position of fixed spherical tile and rotating shaft C, spherical tile installation is again in hinged installation watt, spherical tile and hinged installation watt
Mating surface is spherical surface, to increase the flexibility ratio between swing rod, pull rod and connecting rod, reduces the redundant force of generation, spherical tile is adopted
It is made with the polytetrafluoroethylene (PTFE) for having self-lubricating function, to reduce the frictional force of flexural pivot connection mechanism;Hingedly installation watt is another
One end design has screw thread, connect with pull rod screw, and dead, to connect with enhancing reliability is carried on the back with nut;Connecting rod is fixed on axis
It holds and is put on outside installation, design has a pair of of angular contact ball bearing A, angular contact ball axis between bearing installation housing and bearing installation inner sleeve
Holding A is self-seal type, and design has bearing holder (housing, cover) between two angular contact ball bearing A, to adjust the bearing side between angular contact ball bearing A
Gap, so that bearing is in optimal operational condition, bearing installation inner sleeve is mounted on output shaft, and is bolted with magnetic pole inlay;
Bearing installs an end cap of housing on sliding slot set, and sliding slot, which is put on, is evenly distributed with three sections of helicla flutes, and outer put on of bearing installation sets
There are three sliding axle, sliding axles to be fixed on outside bearing installation and be put on by pressing plate for meter, and sliding axle installs outer slipped-on position in bearing
Can minor adjustment, with guarantee sliding axle along bearing install housing normal direction so that sliding axle can be abutted against always with helicla flute
Touching, design has a blind hole in sliding axle, and in lateral layout there are three pin hole, places lubricant grease in blind hole, set at the top of sliding axle
In respect of oil nozzle, pass through pin hole self-lubricate sliding axle and helicla flute;Sliding slot set is bolted on bearing support installation set
On.
5. poly- magnetic eddy-current coupling according to claim 1, which is characterized in that supporting mechanism includes oil nozzle A, support ear
Seat, support base, spring bearing installation set, y-shaped ring, angular contact ball bearing B provide branch for sub or slave turn of main turn
Support force;Angular contact ball bearing B uses self-seal type, and angular contact ball bearing B uses the assembling form of formal dress, is mounted on spring bearing
In installation set, for the integral installation of spring bearing installation set in support ear mount, the design of spring bearing installation set both ends has Y shape sealing
Circle realizes effectively dynamic sealing;Support ear mount is bolted in support base, and design has positioning spigot, guarantees branch
It supports and obtains relative positional relationship between ear mount and support base, support base is bolted on mounting platform.
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Cited By (1)
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CN112737276A (en) * | 2020-12-15 | 2021-04-30 | 山西江淮重工有限责任公司 | Main shaft structure of torque-limiting permanent magnet eddy current transmission device |
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