CN109831088A - A kind of novel limited-moment permanent magnetic coupling - Google Patents
A kind of novel limited-moment permanent magnetic coupling Download PDFInfo
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- CN109831088A CN109831088A CN201910282863.5A CN201910282863A CN109831088A CN 109831088 A CN109831088 A CN 109831088A CN 201910282863 A CN201910282863 A CN 201910282863A CN 109831088 A CN109831088 A CN 109831088A
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Abstract
The invention belongs to permanent magnet transmission equipment technical fields, it is related to a kind of novel limited-moment permanent magnetic coupling, it is made of seperated coaxial first axle group and the second axis group, the main structure of first axle group includes No.1 axis, conductor rotor and No.1 bolt, No.1 axis and conductor rotor are bolted by No.1, the main structure of second axis group includes No. two axis, magnet rotor and No. three bolts, it is capable of providing soft start, the function of isolation vibration and automatic overload protection, when load is overloaded, when stuck or stall, the air gap between conductor disc and magnet disk becomes larger, first axle group is separated with the transmission of the second axis group, prime mover zero load free-runing operation, realize automatic overload protection, prime mover can be restarted rapidly after troubleshooting is complete to resume production, frequently unlimited number it can restart prime mover；Its structure is simple, smaller, and weight is lighter, and stability is more preferable, installs easier, permission bigger angular deviation and offset deviation.
Description
Technical field:
The invention belongs to permanent magnet transmission equipment technical fields, are related to a kind of novel limited-moment permanent magnetic coupling, have limitation
The function of torque and overload protection.
Background technique:
Magnetic coupling is also referred to as magnetic coupling, permanent magnetic vortex drive device, mainly by copper rotor, p-m rotor and control
Three parts of device form；Generally, copper rotor and motor axis connection, the axis connection of p-m rotor and working machine, copper rotor and permanent magnetism
Having the air gap between rotor, (no mechanical connection does not transmit the mechanical connection of torque, in this way, shape between motor and working machine
It is connected at soft (magnetic), realizes the variation of working crankshaft torque, revolving speed by adjusting air gap.Not because of air gap regulative mode
Together, permanent magnetic vortex drive device is divided into the different types such as standard type, delaying type, distance-limiting type, speed-regulating type.Magnetic coupling based on
Permanent magnet transmission technology is the advanced drive technology that developed recently gets up, and permanent magnet transmission technology uses maglev principle, in original
In the case that motivation and load equipment do not have any contact, the energy transmission of prime mover to load equipment, to realize torque
Transmitting.Distance-limiting type permanent magnet coupler is that a kind of more and more extensive transmission of application fills permanent magnet transmission technology in the industrial production
Set, device has the advantages such as flexible starting, isolation vibration, overload protection, energy conservation and environmental protection, be particularly suitable for conveyer belt, speed reducer,
The heavy industry equipments such as roll squeezer, elevator, coal pulverizer.A kind of permanent magnet distance limiting coupling disclosed in Chinese patent 200910250142.2
Device includes two coaxial axis, installs cage rotor in first axle, is made of four turntables, and two, outside outer rotary table is used therebetween
Pin shaft connection, the inner rotary table of inside two can slide on pin shaft；Turn between two inner rotary tables equipped with the permanent magnetism with the second axis connection
Disk is equipped with range line device, first axle and the second axis can input each other or output shaft on two outer rotary tables；Between two outer rotary tables
Pin shaft be no less than three, collectively constitute cage type frame, have step on pin shaft, limit two between inner rotary table and permanent magnetic rotation disc
Minimum clearance together with two inner rotary tables are conformed to by outer steel material disk with internal conductor material disk, is connected with bolt or other modes
It is connected in one, outer steel material is ferromagnetism, and conductor material requirements has good electric conductivity and enough strength and stiffness, two
The outer steel material panel surface of inner rotary table fills cooling fin, and cooling fin by aluminium alloy or can have the material of excellent radiating effect to be made,
Shape is with excellent radiating effect and to meet aerodynamic principle, and the noise of sending is smaller, has between outer rotary table and inner rotary table
Range line device, the device include pedestal, stylolitic part, torque spring, axis, nut, gasket, have counterbore on pedestal, pass through bolt
It is fixed on the turntable of outside or on the turntable of inside, there is a stylolitic part above, centre is connected with torque spring, torque spring
It is through on the axis fixed by nuts and washers, permanent magnetic rotation disc is made of nonferromugnetic material, installs permanent magnet, permanent magnet magnetic thereon
Extreme direction is parallel with turntable axis, and permanent magnetism shape can be rectangle, sector or any other shape, permanent magnet adjacent magnets magnetic pole
Heteropolar opposite installation；A kind of distance-limiting type magnetic coupling disclosed in Chinese patent 201720273823.0 includes permanent magnetic disk, described
The two sides of permanent magnetic disk are respectively equipped with the first magnetic conductive disk and the second magnetic conductive disk, are equipped between first magnetic conductive disk and the second magnetic conductive disk
Connecting rod, first magnetic conductive disk and the second magnetic conductive disk slide in the connecting rod and do symmetrical fortune relative to the permanent magnetic disk
Dynamic, the side of second magnetic conductive disk is equipped with flange, and the flange is equipped with thrust mechanism；The thrust mechanism includes fixing
Part, torsion component and thrust component, the fixing piece are mounted on the side of the flange, the thrust component by adjusting screw rod
Positioned at the flange the other side and be mounted on the adjusting screw rod, the torsion component is mounted in the fixing piece, institute
It states thrust mechanism and drives the thrust component rotation to realize the limit to second magnetic conductive disk by the torsion component；It is described
First sensor is equipped in connecting rod, the permanent magnetic disk is equipped with second sensor, and the torsion component is equipped with control device；
A kind of limit torque permanent magnet coupler of disc type disclosed in Chinese patent 201510015940.2 includes seperated and coaxial first axle and the
Two axis, first axle are socketed in the first axle sleeve, and the first axle sleeve housing meets sliding sleeve I, and first axle sleeve a part is square shaft, with sliding
The square hole cooperation on I is covered, conductor turntable I is bolted in sliding sleeve I, and conductor turntable I includes steel disk I and conductive conductor disc
I, sliding sleeve I are bolted steel disk I, steel disk I and conductor disc I and are bolted, and first axle puts on sliding sleeve I both ends of the surface
Side is respectively provided with position limiting structure；Second axle sleeve is connected in the second axle sleeve, and load terminal pad, connecting rod is bolted in the second axle sleeve
It is mounted in load terminal pad by bolt, the connecting rod other end is bolted permanent magnetic rotation disc, same on permanent magnetic rotation disc
Several permanent magnets of installation corresponding with the position conductor disc I on circumference, permanent magnet magnetic extreme direction is consistent with permanent magnetic rotation disc axis, and adjacent
The heteropolar installation of permanent magnet pole；The permanent magnetic rotation disc is equipped with the good aluminum alloy heat sink of heating conduction；The load connection
Weight loss ventilation hole is set on disk；The totally-enclosed anti-foreign body intrusion distance-limiting type permanent magnetism of one kind disclosed in Chinese patent 201610343267.X
Coupler includes: conductor rotor component, permanent magnet rotor component, input shaft, output shaft；The conductor rotor component and the input
Axis connection, the conductor rotor component include the magnetic conductor disk and nonmagnetic metal disk of coaxial arrangement；The p-m rotor group
Part is connected to the output shaft, and the output shaft circumferentially limits the permanent magnet rotor component；The permanent magnet rotor component includes
Permanent magnetic disk and first axis position limiting structure, the first axis position limiting structure are connected with the permanent magnetic disk；The first axis limit
Bit architecture includes position limiting slide block, and the output shaft is equipped with card slot corresponding with the position limiting slide block, one end of the position limiting slide block
The card slot is slid into the permanent magnet rotor component axial limiting or leaves the card slot elimination axial limiting；The output
Axis is additionally provided with the second position limiting structure, and second position limiting structure limits the axial direction between the permanent magnetic disk and the magnetic conductor disk
Minimum clearance；The input shaft drives the conductor rotor component rotation, between the permanent magnetic disk and the magnetic conductor disk by
The second position limiting structure axial limiting, the conductor rotor component pass through between the magnetic conductor disk and the permanent magnetic disk
Attracting magnetic force drives the permanent magnet rotor component rotation, and the permanent magnet rotor component drives the output shaft rotation；It is above-mentioned special
Sharp product and distance-limiting type permanent magnet coupler in the prior art are made of more conductor discs or more magnet disks, there is that structure is complicated,
Weight of equipment is big, volume is big, installation and debugging are difficult, stability is poor, the long problem of mounting distance, it usually needs move back prime mover
To meet installation space；When axial float occur in prime mover shaft or load equipment axis, it be easy to cause magnet rotor and conductor
Contact friction；Application is restricted.For this purpose, it is higher to seek to design a kind of stability, and it is low to requirements of installation space, it does not need
The novel limited-moment permanent magnetic coupling on mobile prime mover basis.
Summary of the invention:
It is an object of the invention to overcome disadvantage of the existing technology, a kind of novel limited-moment permanent magnetic coupling is designed,
It can be realized the function of soft start, isolation vibration and automatic overload protection.
To achieve the goals above, novel limited-moment permanent magnetic coupling of the present invention is by seperated coaxial first axle group
It is formed with the second axis group；The main structure of first axle group includes No.1 axis, conductor rotor and No.1 bolt, and No.1 axis and conductor turn
Son is bolted by No.1；The main structure of conductor rotor includes conductor rotor base body, conductor disc, cooling fin and No. two spiral shells
Bolt；It is provided with conductor disc on the medial surface of conductor rotor base body, is provided with cooling fin on the lateral surface of conductor rotor base body,
Conductor rotor base body is connected to become conductor rotor by No. two bolts and conductor disc and cooling fin；The main structure of second axis group
Including No. two axis, magnet rotor and No. three bolts, No. two axis are bolted with magnet rotor by No. three；The main body of magnet rotor
Structure includes support base, No.1 positioning disk, No. two positioning disks, magnet disk, permanent magnet, magnet rotor base body and limiter；Branch
Fixed set has the No.1 positioning disk being parallel to each other and No. two positioning disks on support seat, and slidingtype is provided with magnet on support base
Disk, magnet disk can be moved with support base synchronous rotary, and axis on the support base between No.1 positioning disk and No. two positioning disks
To sliding, the permanent magnet for being internally provided with the extremely pairs of arranged adjacent of the pole N and S of magnet disk, the lateral surface and annular shape of magnet disk
The magnet rotor base body bolt type of structure connects, and is provided with the limiter with torsional spring, No. two axis in magnet rotor base body
It is bolted with support base by No. three.
It is not physically connected between first axle group of the present invention and the second axis group, i.e., between conductor rotor and magnet rotor
It is not physically connected, it is the air gap, flame proof material can be placed；No.1 axis and No. two axis are mounted on prime mover shaft side or bearing shaft
Side, No.1 axis and the installation site of No. two axis can exchange；Conductor rotor base body and magnet rotor base body are ferromagnetism
Material, magnet rotor base body are sealed the magnetism of permanent magnet, prevent its leakage field；The material of conductor disc is that electric conductivity is good
Good metal or nonmetallic materials；The shape of permanent magnet includes but is not limited to cuboid, cube, cylindrical body and ring body；Limiter
Installation position include the shaft shoulder of support base, the side of No. two positioning disks and magnet rotor base body side.
When conductor rotor of the present invention can satisfy cooling requirements, cancel the setting of cooling fin.
When the shaft shoulder vertex of support base of the present invention is higher than the vertex of limiter, support base has No. two positioning disks
Limit function cancels the setting of No. two positioning disks.
Novel limited-moment permanent magnetic coupling of the present invention is in use, pass through key or swelling by No.1 axis for first axle group
Set is mounted on prime mover shaft side, and the second axis group is mounted on bearing shaft side by key or expansion sleeve by No. two axis；When prime mover band
When dynamic first axle group rotation, the inside of conductor disc generates vortex, is vortexed the induced magnetic field of generation and the magnetic field phase interaction of permanent magnet
With realizing the transmitting of load torque；Prime mover is inactive or starting moment, limiter are under the twisting force of torsional spring and open
State, when prime mover works normally, the centrifugal force that limiter is subject to is greater than the torsion of torsional spring, and limiter is in closed state,
When stall, stuck or overload fault occur for load equipment, huge instantaneous thrust, thrust are generated between conductor disc and magnet disk
Magnet disk is pushed to slide along support base towards the opposite direction of conductor disc rapidly before limiter is not switched on, at this time limiter
Still in closed state, the air gap between conductor disc and magnet disk becomes larger, and first axle group is separated with the transmission of the second axis group, former
Motivation zero load free-runing operation realizes overload protection.
Compared with prior art, the present invention the function of soft start, isolation vibration and automatic overload protection is capable of providing, when negative
When carrying generation overload, stuck or stall, the air gap between conductor disc and magnet disk becomes larger, and first axle group and the second axis group pass
Dynamic separation, prime mover zero load free-runing operation realize automatic overload protection, can restart prime mover recovery after troubleshooting is complete rapidly
Production frequently unlimited number can restart prime mover；Its structure is simple, smaller, and weight is lighter, and stability is more preferable, installation
It is easier, allow bigger angular deviation and offset deviation, does not need mobile prime mover basis, extend prime mover and set with load
Standby service life, avoids maintenance and maintenance, reduces production cost, has ensured production safety.
Detailed description of the invention:
Fig. 1 is main structure schematic illustration of the invention.
Fig. 2 is limiter of the present invention schematic diagram in the open state.
Fig. 3 is the schematic diagram that limiter of the present invention is in closed state.
Specific embodiment:
The present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1:
The novel limited-moment permanent magnetic coupling that the present embodiment is related to is by seperated coaxial 2 groups of first axle group 1 and the second axis group
At；The main structure of first axle group 1 includes No.1 axis 10, conductor rotor 11 and No.1 bolt 12, No.1 axis 10 and conductor rotor
11 are connected by No.1 bolt 12；The main structure of conductor rotor 11 includes conductor rotor base body 110, conductor disc 111, heat dissipation
Piece 112 and No. two bolts 113；Conductor disc 111, conductor rotor base body are provided on the medial surface of conductor rotor base body 110
Cooling fin 112 is provided on 110 lateral surface, conductor rotor base body 110 is by No. two bolts 113 and conductor disc 111 and dissipates
Backing 112 is connected to become conductor rotor 11；The main structure of second axis group 2 includes No. two axis 20, magnet rotor 21 and No. three spiral shells
Bolt 22, No. two axis 20 are connect with magnet rotor 21 by No. three bolts 22；The main structure of magnet rotor 21 includes support base
210,211, No. two positioning disks 212 of No.1 positioning disk, magnet disk 213, permanent magnet 214, magnet rotor base body 215 and limiter
216；Fixed set has a No.1 positioning disk 211 being parallel to each other and No. two positioning disks 212 on support base 210, on support base 210
Slidingtype is provided with magnet disk 213, and magnet disk 213 can be moved with 210 synchronous rotary of support base, and in No.1 positioning disk 211
It slides axially on support base 210 between No. two positioning disks 212, magnet disk 213 is internally provided with the extremely pairs of phase of the pole N and S
The permanent magnet 214 of neighbour's arrangement, the lateral surface of magnet disk 213 and 215 bolt type of magnet rotor base body of annular structure connect,
The limiter 216 with torsional spring is provided in magnet rotor base body 215, No. two axis 20 and support base 210 pass through No. three bolts
22 connections.
Not physically connected between the first axle group 1 and the second axis group 2 that the present embodiment is related to, i.e., conductor rotor 11 and magnet turn
It is not physically connected between son 21, it is the air gap, flame proof material can be placed；No.1 axis 10 and No. two axis 20 are mounted on prime mover
Axis side or bearing shaft side, No.1 axis 10 and the installation site of No. two axis 20 can exchange；Conductor rotor base body 110 and magnet turn
Sub- base body 215 is ferrimagnet, and magnet rotor base body 215 is sealed the magnetism of permanent magnet 214, prevents its leakage
Magnetic；The material of conductor disc 111 is the good metal of electric conductivity or nonmetallic materials；The shape of permanent magnet 214 includes but unlimited
In cuboid, cube, cylindrical body and ring body；The installation position of limiter 216 includes the shaft shoulder of support base 210, No. two positioning disks
212 side and the side of magnet rotor base body 215.
When the conductor rotor 11 that the present embodiment is related to can satisfy cooling requirements, cancel the setting of cooling fin 112.
When the shaft shoulder vertex for the support base 210 that the present embodiment is related to is higher than the vertex of limiter 216, support base 210 has
The limit function of No. two positioning disks 212 cancels the setting of No. two positioning disks 212.
The novel limited-moment permanent magnetic coupling that the present embodiment is related to is in use, pass through key by No.1 axis 10 for first axle group 1
Or expansion sleeve is mounted on prime mover shaft side, and the second axis group 2 is mounted on bearing shaft side by key or expansion sleeve by No. two axis 20；When
When prime mover drives first axle group 1 to rotate, the inside of conductor disc 111 generates vortex, is vortexed the induced magnetic field and permanent magnet of generation
214 magnetic field interaction realizes the transmitting of load torque；Prime mover is inactive or starts moment, and limiter 216 is in torsional spring
In the open state under twisting force, when prime mover works normally, the centrifugal force that limiter 216 is subject to is greater than the torsion of torsional spring
Power, limiter 216 are in closed state, when stall, stuck or overload fault occur for load equipment, conductor disc 111 and magnet
Huge instantaneous thrust is generated between disk 213, thrust pushes magnet disk 213 rapidly along branch before limiter 216 is not switched on
It supports seat 210 to slide towards the opposite direction of conductor disc 111, limiter 216 is still in closed state, conductor disc 111 and magnetic at this time
The air gap between body disc 213 becomes larger, and first axle group 1 is separated with the transmission of the second axis group 2, prime mover zero load free-runing operation, real
Existing overload protection.
Claims (5)
1. a kind of novel limited-moment permanent magnetic coupling, it is characterised in that be made of seperated coaxial first axle group and the second axis group；
The main structure of first axle group includes No.1 axis, conductor rotor and No.1 bolt, and No.1 axis and conductor rotor pass through No.1 bolt
Connection；The main structure of conductor rotor includes conductor rotor base body, conductor disc, cooling fin and No. two bolts；Conductor rotor base
It is provided with conductor disc on the medial surface of plinth body, cooling fin, conductor rotor basis are provided on the lateral surface of conductor rotor base body
Body is connected to become conductor rotor by No. two bolts and conductor disc and cooling fin；The main structure of second axis group include No. two axis,
Magnet rotor and No. three bolts, No. two axis are bolted with magnet rotor by No. three；The main structure of magnet rotor includes branch
Support seat, No.1 positioning disk, No. two positioning disks, magnet disk, permanent magnet, magnet rotor base body and limiter；It is fixed on support base
Formula is provided with the No.1 positioning disk being parallel to each other and No. two positioning disks, and slidingtype is provided with magnet disk, magnet disk energy on support base
Enough and support base synchronous rotary moves, and slides axially on the support base between No.1 positioning disk and No. two positioning disks, magnet
The permanent magnet for being internally provided with the extremely pairs of arranged adjacent of the pole N and S of disk, the lateral surface of magnet disk and the magnet of annular structure turn
Sub- base body bolt type connects, and is provided with the limiter with torsional spring in magnet rotor base body, No. two axis pass through with support base
No. three are bolted.
2. novel limited-moment permanent magnetic coupling according to claim 1, it is characterised in that first axle group and the second axis group it
Between it is not physically connected, i.e., it is not physically connected between conductor rotor and magnet rotor, be the air gap, flame proof material can be placed；
No.1 axis and No. two axis are mounted on prime mover shaft side or bearing shaft side, and No.1 axis and the installation site of No. two axis can exchange；It leads
Body rotor base body and magnet rotor base body are ferrimagnet, and magnet rotor base body carries out the magnetism of permanent magnet close
Envelope, prevents its leakage field；The material of conductor disc is the good metal of electric conductivity or nonmetallic materials；The shape of permanent magnet include but
It is not limited to cuboid, cube, cylindrical body and ring body；The installation position of limiter includes the shaft shoulder of support base, No. two positioning disks
The side of side and magnet rotor base body.
3. novel limited-moment permanent magnetic coupling according to claim 1, it is characterised in that conductor rotor can satisfy heat dissipation
It is required that when, cancel the setting of cooling fin.
4. novel limited-moment permanent magnetic coupling according to claim 1, it is characterised in that the shaft shoulder vertex of support base is higher than
When the vertex of limiter, support base has the limit function of No. two positioning disks, cancels the setting of No. two positioning disks.
5. novel limited-moment permanent magnetic coupling according to claim 1, it is characterised in that in use, by first axle group by one
Number axis is mounted on prime mover shaft side by key or expansion sleeve, and the second axis group is mounted on load by key or expansion sleeve by No. two axis
Axis side；When prime mover drives the rotation of first axle group, the inside of conductor disc generates vortex, is vortexed the induced magnetic field and permanent magnetism of generation
The magnetic field interaction of body realizes the transmitting of load torque；Prime mover is inactive or starts moment, torsion of the limiter in torsional spring
In the open state under effect, when prime mover works normally, the centrifugal force that limiter is subject to is greater than the torsion of torsional spring, limiter
It is generated between conductor disc and magnet disk huge in closed state when stall, stuck or overload fault occur for load equipment
Instantaneous thrust, thrust push magnet disk sliding towards the opposite direction of conductor disc along support base rapidly before limiter is not switched on
Dynamic, still in closed state, the air gap between conductor disc and magnet disk becomes larger limiter at this time, first axle group and the second axis
Group transmission separation, prime mover zero load free-runing operation realize overload protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282863.5A CN109831088A (en) | 2019-04-10 | 2019-04-10 | A kind of novel limited-moment permanent magnetic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282863.5A CN109831088A (en) | 2019-04-10 | 2019-04-10 | A kind of novel limited-moment permanent magnetic coupling |
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| Publication Number | Publication Date |
|---|---|
| CN109831088A true CN109831088A (en) | 2019-05-31 |
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ID=66874477
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910282863.5A Withdrawn CN109831088A (en) | 2019-04-10 | 2019-04-10 | A kind of novel limited-moment permanent magnetic coupling |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401325A (en) * | 2019-07-04 | 2019-11-01 | 保定市玄云涡喷动力设备研发有限公司 | A kind of magnetic resistance clutch |
| CN112398307A (en) * | 2020-11-30 | 2021-02-23 | 合肥工业大学 | Permanent magnet disc type sine torque coupling device |
| CN113206585A (en) * | 2021-05-14 | 2021-08-03 | 芜湖锦程永磁技术有限公司 | Integrated torque-limiting permanent magnet coupling and assembling method thereof |
| CN113437853A (en) * | 2021-07-09 | 2021-09-24 | 嘉兴美茵钛传动科技有限公司 | Permanent magnet assembly for permanent magnet coupling |
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| CN101702568A (en) * | 2009-11-30 | 2010-05-05 | 王荣松 | Permanent magnet distance limiting coupler |
| CN106100289A (en) * | 2016-08-17 | 2016-11-09 | 株洲百创节能科技有限责任公司 | Magnet disk end face eddy flow cooling type permanent-magnet speed governor |
| CN106357086A (en) * | 2016-10-25 | 2017-01-25 | 上海市东方海事工程技术有限公司 | Single-disc permanent-magnetic speed regulating clutch and dual-power transmission system |
| CN209419469U (en) * | 2019-04-10 | 2019-09-20 | 东营河太能源科技有限公司 | A kind of novel limited-moment permanent magnetic coupling |
-
2019
- 2019-04-10 CN CN201910282863.5A patent/CN109831088A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702568A (en) * | 2009-11-30 | 2010-05-05 | 王荣松 | Permanent magnet distance limiting coupler |
| CN106100289A (en) * | 2016-08-17 | 2016-11-09 | 株洲百创节能科技有限责任公司 | Magnet disk end face eddy flow cooling type permanent-magnet speed governor |
| CN106357086A (en) * | 2016-10-25 | 2017-01-25 | 上海市东方海事工程技术有限公司 | Single-disc permanent-magnetic speed regulating clutch and dual-power transmission system |
| CN209419469U (en) * | 2019-04-10 | 2019-09-20 | 东营河太能源科技有限公司 | A kind of novel limited-moment permanent magnetic coupling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401325A (en) * | 2019-07-04 | 2019-11-01 | 保定市玄云涡喷动力设备研发有限公司 | A kind of magnetic resistance clutch |
| CN112398307A (en) * | 2020-11-30 | 2021-02-23 | 合肥工业大学 | Permanent magnet disc type sine torque coupling device |
| CN113206585A (en) * | 2021-05-14 | 2021-08-03 | 芜湖锦程永磁技术有限公司 | Integrated torque-limiting permanent magnet coupling and assembling method thereof |
| CN113437853A (en) * | 2021-07-09 | 2021-09-24 | 嘉兴美茵钛传动科技有限公司 | Permanent magnet assembly for permanent magnet coupling |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190531 |
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| WW01 | Invention patent application withdrawn after publication |