CN206402084U - Permanent magnet eddy current coupling - Google Patents
Permanent magnet eddy current coupling Download PDFInfo
- Publication number
- CN206402084U CN206402084U CN201720060451.3U CN201720060451U CN206402084U CN 206402084 U CN206402084 U CN 206402084U CN 201720060451 U CN201720060451 U CN 201720060451U CN 206402084 U CN206402084 U CN 206402084U
- Authority
- CN
- China
- Prior art keywords
- rotor
- permanent magnet
- yoke
- driven
- copper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 24
- 238000010168 coupling process Methods 0.000 title claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000012546 transfer Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000896 Manganin Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- 241000784732 Lycaena phlaeas Species 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model provides a kind of permanent magnet eddy current coupling, including power rotor mechanism, driven rotor mechanism, the power rotor mechanism, it is main by copper-manganese rotor, yoke rotor, driving shaft and active supporting framework into, the driven rotor mechanism, mainly it is made up of permanent magnet, fixed plate, locating ring, driven yoke rotor, bearing axle, driven support frame etc., the utility model has many advantages, such as that mechanism is compact, easy for installation, vibration noise is low, the smooth transfer of moment of torsion can be realized, the great popularization in production practices.
Description
Technical field
The utility model is related to a kind of permanent magnet eddy current coupling.
Background technology
It is reported that in China's all trades and professions, existing blower fan and pump apparatus about 50,000,000, power consumption accounts for industrial
More than the 60% of electricity.Due to generally leaving certain allowance in design, make blower fan and pump apparatus often 50%~70%
Run under even lower flow.According to production needs, flow need to be controlled and be adjusted, to adapt to technological requirement and operating mode
Change.The method dammed using traditional fixation adjusts flow, not only maintenance cost increase, and service life of equipment shortens, and
And because the loss of damming of the equipment such as baffle plate, valve causes the waste of the energy, cause the utilization rate of the energy relatively low.So reduction wind
The problem of machine and the operating energy loss of pump apparatus turn into extremely important.Especially in the drive of large fan and pump apparatus
In dynamic equipment, motor is damaged in order to avoid start-up course stall time is longer, general motor power is actual specified work(
Several times of rate, cause greatly waste.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of permanent magnet eddy current coupling, can not only be effectively
Soft start is realized, and can have transmission efficiency, moment of torsion to transmit many advantages, such as steady, manufacturing cost is cheap.
The utility model provides a kind of permanent magnet eddy current coupling, including power rotor mechanism, driven rotor mechanism, the master
Dynamic rotor mechanism, mainly by copper-manganese rotor, yoke rotor, driving shaft and active supporting framework into the copper-manganese rotor and yoke
Seam is designed between iron rotor, to ensure the axiality installed, copper-manganese two ends of rotor is fixed using bolt with yoke rotor
Connection, is designed with filling gel in 1mm gap, gap between copper-manganese rotor and yoke rotor, heat is reduced to greatest extent and is passed
Thermal resistivity during leading；The copper-manganese rotor uses manganin, and manganin is compared with common copper material, resistivity
And magnetic reluctance hardly variation with temperature and change, therefore stability is higher；The yoke rotor surface is designed with helix
Groove, radiates compared to common groove, and superficial air flowing is more readily formed in helix groove, and radiating effect is more preferable, and helix
The difficulty of processing of groove is lower, and yoke rotor side surface uses wheel hub profile, that is, ensures that the stiffness and strength of yoke rotor meets to use and want
Ask, the quality of yoke rotor is reduced again；The driving shaft is used with yoke rotor and is interference fitted, and can using hinged bolts
By connection, it is ensured that the axiality between yoke rotor and driving shaft；The active support frame is welded using steel plate, is actively propped up
Using a pair of angular contact ball bearing supports between support and driving shaft, angular contact ball bearing side is designed with snap ring and solid with nut
Fixed, snap ring is to prevent nut loosening from influenceing bearing sideshake, and angular contact ball bearing is designed with bearing (ball) cover, bearing (ball) cover and active
The dynamic sealing that O-ring coordinates with Glais ring is designed between axle, that is, ensures sealed reliability, and reduce to greatest extent to master
The friction of moving axis.
The driven rotor mechanism, mainly by permanent magnet, fixed plate, locating ring, driven yoke rotor, bearing axle, driven
Support frame etc. is constituted, and the permanent magnetism body section uses trapezoidal, and the fixed plate section uses inverted trapezoidal, coordinates with permanent magnet, will
Permanent magnet is fixed on driven yoke rotor, and fixed plate end is designed with baffle plate, prevents permanent magnet axial jump, fixed plate is with determining
Position ring material uses polytetrafluoroethylene (PTFE), and fixed plate proportion on distribution circle is 1/5th of permanent magnet, and described
Permanent magnet fixed plate reliably fix after, irrigated using high-temp glue, prevent permanent magnet and fixed plate in high-speed rotation by
Vibration is caused in gap；The permanent magnet is directly anchored on driven yoke rotor, with passing through after non-magnet material layer again
It is fixed on yoke rotor and compares, air-gap field intensity improves 20% or so, i.e. torque transmission capacity and improves 20%；It is described driven
Yoke rotor side surface uses wheel hub profile, that is, ensures that the stiffness and strength of yoke rotor meets use requirement, and yoke is reduced again and is turned
The quality of son；The bearing axle is reliably connected with driven yoke rotor using interference fit, and using hinged bolts, it is ensured that from
Dynamic axiality between yoke rotor and bearing axle；The driven support frame is welded using steel plate, and driven support frame is with bearing
Using a pair of angular contact ball bearings supports between load axle, angular contact ball bearing side is designed with snap ring and fixed with nut, snap ring
It is to prevent nut loosening from influenceing bearing sideshake, angular contact ball bearing is designed with bearing (ball) cover, between bearing (ball) cover and driven shaft
The dynamic sealing that O-ring coordinates with Glais ring is designed with, that is, ensures sealed reliability, and reduce to greatest extent to driving shaft
Friction.
According to actual condition needs, the distance of adjustment power rotor mechanism and driven rotor mechanism, so as to adjust permanent magnet
With the size of gaps between copper-manganese rotor, so as to adjust the torque transmission capacity of complete equipment；The permanent magnet angle of inclination B compares copper-manganese
Rotor tilt angle A is big 5 °, so that copper-manganese rotor gradually increases with permanent magnet end air gap, and magnetic field intensity gradually dies down,
Copper-manganese Rotor terminal magnetic field relative initial position weakens more than 2 times, when rotor initial rotation, power rotor mechanism and driven rotor
Mechanism speed difference is very big, and the vortex of copper-manganese rotor is very big, and the end of copper-manganese rotor is poor due to heat transfer radiating effect, extremely easy quilt
Burn, therefore effectively reduce end magnetic field intensity so that end starts vortex and effectively reduced, and overall torque transmission capacity is only cut
Weak 3%.
The utility model has many advantages, such as that mechanism is compact, easy for installation, vibration noise is low, can realize the flat of moment of torsion
Steady transmission, the great popularization in production practices.
Brief description of the drawings
Fig. 1 is a kind of permanent magnet eddy current coupling axonometric drawing 1 according to an embodiment of the present utility model；
Fig. 2 is a kind of permanent magnet eddy current coupling axonometric drawing 2 according to an embodiment of the present utility model；
Fig. 3 is surveyed according to a kind of permanent magnet eddy current coupling power rotor mechanism shaft of an embodiment of the present utility model
Fig. 1；
Fig. 4 is surveyed according to a kind of permanent magnet eddy current coupling power rotor mechanism shaft of an embodiment of the present utility model
Fig. 2；
Fig. 5 is surveyed according to a kind of permanent magnet eddy current coupling driven rotor mechanism shaft of an embodiment of the present utility model
Fig. 1；
Fig. 6 is a kind of permanent magnet eddy current coupling sectional view 1 according to an embodiment of the present utility model；
Fig. 7 is a kind of permanent magnet eddy current coupling fixed plate axonometric drawing according to an embodiment of the present utility model；
Fig. 8 is a kind of permanent magnet eddy current coupling permanent magnet axonometric drawing according to an embodiment of the present utility model；
Fig. 9 is a kind of permanent magnet eddy current coupling portion view 2 according to an embodiment of the present utility model；
Figure 10 is partial view at a kind of permanent magnet eddy current coupling sealing according to an embodiment of the present utility model；
In figure：1st, base platform；2nd, active support frame；3rd, power rotor mechanism；4th, driven rotor mechanism；5th, driven support
Frame；6th, driving shaft；7th, yoke rotor；8th, copper-manganese rotor；9th, bearing axle；10th, permanent magnet；11st, fixed plate；12nd, bearing (ball) cover；
13rd, nut；14th, snap ring；15th, angular contact ball bearing；16th, end cap；17th, hinged bolts；18th, driven yoke rotor；19th, position
Ring；20th, permanent magnet；21st, bolt；22nd, silica gel；23rd, bearing (ball) cover；24th, bolt；25th, hinged bolts；26th, O-ring；27th, hold
Lid；28th, angular contact ball bearing；29th, snap ring；30th, Glais ring.
Embodiment
Describe in detail below in conjunction with the accompanying drawings according to embodiment of the present utility model.
As shown in drawings, a kind of permanent magnet eddy current coupling, including：Power rotor mechanism 3, driven rotor mechanism 4, the master
Dynamic rotor mechanism 3, is mainly made up of, the copper-manganese rotor copper-manganese rotor 8, yoke rotor 7, driving shaft 6 and active support frame 2
Seam is designed between 8 and yoke rotor 7, to ensure the axiality installed, the two ends of copper-manganese rotor 8 are turned using bolt with yoke
Son 7 is fixedly connected, and filling gel 22 in 1mm gap, gap is designed between copper-manganese rotor 8 and yoke rotor 7, to greatest extent
Thermal resistivity in ground reduction heat transfer process；The copper-manganese rotor 8 uses manganin, manganin and common copper material
Compare, resistivity and magnetic reluctance hardly variation with temperature and change, therefore stability is higher；The surface of yoke rotor 7
Helix groove is designed with, is radiated compared to common groove, superficial air flowing is more readily formed in helix groove, and radiating effect is more
It is good, and the difficulty of processing of helix groove is lower, and the side of yoke rotor 7 uses wheel hub profile, that is, ensures the rigidity of yoke rotor 7
Intensity meets use requirement, and the quality of yoke rotor 7 is reduced again；The driving shaft 6 is used with yoke rotor 7 and is interference fitted,
And be reliably connected using hinged bolts 25, it is ensured that the axiality between yoke rotor 7 and driving shaft 6；The active support frame 2
It is welded, is supported between active support frame 2 and driving shaft 6 using a pair of angular contact ball bearings 28, angular contact ball using steel plate
The side of bearing 28 is designed with snap ring 29 and fixed with nut, and snap ring 29 is to prevent nut loosening from influenceing bearing sideshake, angular contact ball
Axle 28, which is held, is designed with bearing (ball) cover 23, is designed with what O-ring 26 coordinated with Glais ring 30 between bearing (ball) cover 23 and driving shaft 6
Dynamic sealing, that is, ensure sealed reliability, and reduces the friction to driving shaft to greatest extent.
The driven rotor mechanism 4, mainly by permanent magnet 10, fixed plate 11, locating ring 19, driven yoke rotor 18, negative
Carry axle 9, driven support frame 5 etc. to constitute, the section of permanent magnet 10 uses trapezoidal, and the section of fixed plate 11 uses inverted trapezoidal,
Coordinate with permanent magnet 10, permanent magnet 10 is fixed on driven yoke rotor 18, the end of fixed plate 11 is designed with baffle plate, prevents forever
The axial jump of magnet 10, fixed plate 11 uses polytetrafluoroethylene (PTFE), the institute's accounting on distribution circle of fixed plate 11 with locating ring material
Example is 1/5th of permanent magnet 10, and the permanent magnet 10 is irrigated after fixed plate 11 is reliably fixed using high-temp glue, is prevented
Only permanent magnet 10 and fixed plate 11 cause vibration in high-speed rotation due to gap；The permanent magnet 10 is directly anchored to
On driven yoke rotor 18, compared with being fixed on again on yoke rotor 18 after non-magnet material layer, air-gap field intensity
Improve 20% or so, i.e. torque transmission capacity and improve 20%；The driven side of yoke rotor 18 uses wheel hub profile, that is, ensures
The stiffness and strength of driven yoke rotor 18 meets use requirement, and the quality of driven yoke rotor 18 is reduced again；The bearing axle 9
With driven yoke rotor 18 using being interference fitted, and be reliably connected using hinged bolts 17, it is ensured that driven yoke rotor 18 with
Axiality between bearing axle 9；The driven support frame 5 is welded using steel plate, between driven support frame 5 and bearing axle 9
Supported using a pair of angular contact ball bearings 15, the side of angular contact ball bearing 15 is designed with snap ring 14 and fixed with nut, snap ring 14
It is to prevent nut loosening from influenceing bearing sideshake, angular contact ball bearing 15 is designed with bearing (ball) cover 12, bearing (ball) cover 12 and load
The dynamic sealing that O-ring 26 coordinates with Glais ring 30 is designed between axle 9, that is, ensures sealed reliability, and subtract to greatest extent
The small friction to bearing axle 9.
According to actual condition needs, the distance of adjustment power rotor mechanism 3 and driven rotor mechanism 4, so as to adjust permanent magnetism
Size of gaps between body 10 and copper-manganese rotor 8, so as to adjust the torque transmission capacity of complete equipment；The angle of inclination of permanent magnet 10
B is bigger 5 ° than the angle of inclination A of copper-manganese rotor 8, so that copper-manganese rotor 8 gradually increases with the end air gap of permanent magnet 10, and magnetic field is strong
Degree gradually dies down, and the end magnetic field relative initial position of copper-manganese rotor 8 weakens more than 2 times, when rotor initial rotation, power rotor machine
Structure 3 is very big with driven rotor mechanism 4 speed difference, and the vortex of copper-manganese rotor 8 is very big, and the end of copper-manganese rotor 8 is dissipated due to heat transfer
Thermal effect is poor, is easy to be burnt, therefore effectively reduce end magnetic field intensity so that end starts vortex and effectively reduced, and
Overall torque transmission capacity only weakens 3%.
The working method of one illustrative embodiments of permanent magnet eddy current coupling is as follows, can also other modes work.
According to actual condition needs, the relative position of power rotor mechanism 3 and driven rotor mechanism 4 is determined, active is turned
Clamp mechanism 3 and driven rotor mechanism 4 are fixed in bottom platform, and driving shaft 6 is connected with input mechanism, can be connected by key
Connect and connected also by shaft coupling, bearing axle 9 is connected by specific connected mode according to requirement of actual working condition with output mechanism, when
Input mechanism drives driving shaft 6 to rotate, so as to drive yoke rotor 7 and copper-manganese rotor 8 to rotate, due to copper-manganese rotor 8 and permanent magnetism
Larger relative rotation is produced between body 10, copper-manganese rotor 8 produces vortex, and vortex field produces magnetic field and former magnetic coupling, so that
Coupling torque is produced, drives permanent magnet 10 to rotate, so as to drive bearing axle 9 to rotate, realizes moment of torsion smooth transfer.
A whole set of mechanical system structure is ingenious, Highgrade integration, and simple to operate, easy for installation, vibration noise is low many excellent
Point, can realize the smooth transfer of moment of torsion, the great popularization in production practices.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (3)
1. a kind of permanent magnet eddy current coupling, it is characterised in that including power rotor mechanism, driven rotor mechanism, the active turns
Clamp mechanism, mainly by copper-manganese rotor, yoke rotor, driving shaft and active supporting framework into the copper-manganese rotor turns with yoke
Seam is designed between son, to ensure the axiality installed, copper-manganese two ends of rotor is fixedly connected using bolt with yoke rotor,
Filling gel in 1mm gap, gap is designed between copper-manganese rotor and yoke rotor, heat transfer process is reduced to greatest extent
In thermal resistivity；The copper-manganese rotor uses manganin, and manganin is compared with common copper material, resistivity and magnetic resistance
Rate hardly variation with temperature and change, therefore stability is higher；The yoke rotor surface is designed with helix groove, compares
Superficial air flowing is more readily formed in common groove radiating, helix groove, and radiating effect is more preferable, and the processing of helix groove
Difficulty is lower, and yoke rotor side surface uses wheel hub profile, that is, ensures that the stiffness and strength of yoke rotor meets use requirement, reduce again
The quality of yoke rotor；The driving shaft is reliably connected with yoke rotor using interference fit, and using hinged bolts, is protected
Demonstrate,prove the axiality between yoke rotor and driving shaft；The active support frame is welded using steel plate, active support frame and master
Using a pair of angular contact ball bearing supports between moving axis, angular contact ball bearing side is designed with snap ring and fixed with nut, snap ring
It is to prevent nut loosening from influenceing bearing sideshake, angular contact ball bearing is designed with bearing (ball) cover, between bearing (ball) cover and driving shaft
The dynamic sealing that O-ring coordinates with Glais ring is designed with, that is, ensures sealed reliability, and reduce to greatest extent to driving shaft
Friction.
2. permanent magnet eddy current coupling according to claim 1, it is characterised in that the driven rotor mechanism, mainly by forever
Magnet, fixed plate, locating ring, driven yoke rotor, bearing axle, driven supporting framework into, the permanent magnetism body section using trapezoidal,
The fixed plate section uses inverted trapezoidal, coordinates with permanent magnet, permanent magnet is fixed on driven yoke rotor, fixed plate end
Baffle plate is designed with, permanent magnet axial jump is prevented, fixed plate uses polytetrafluoroethylene (PTFE) with locating ring material, and fixed plate is in distribution
Proportion is 1/5th of permanent magnet on circle, and the permanent magnet is filled after fixed plate is reliably fixed using high-temp glue
Note, prevents permanent magnet and fixed plate from causing vibration due to gap in high-speed rotation；The permanent magnet is directly anchored to
On driven yoke rotor, compared with being fixed on again on yoke rotor after non-magnet material layer, air-gap field intensity is improved
20% or so, i.e. torque transmission capacity improve 20%；The driven yoke rotor side surface uses wheel hub profile, that is, ensures that yoke turns
The stiffness and strength of son meets use requirement, and the quality of yoke rotor is reduced again；The bearing axle is used with driven yoke rotor
Interference fit, and be reliably connected using hinged bolts, it is ensured that the axiality between driven yoke rotor and bearing axle；It is described from
Dynamic support frame is welded using steel plate, using a pair of angular contact ball bearing supports, corner connection between driven support frame and bearing axle
Touch ball bearing side to be designed with snap ring and fixed with nut, snap ring is to prevent nut loosening from influenceing bearing sideshake, angular contact ball axle
Hold and be designed with bearing (ball) cover, the dynamic sealing that O-ring coordinates with Glais ring is designed between bearing (ball) cover and driven shaft, that is, is ensured
Sealed reliability, and reduce the friction to driving shaft to greatest extent.
3. permanent magnet eddy current coupling according to claim 1, it is characterised in that adjustment power rotor mechanism and driven rotor
The distance of mechanism, so that the size of gaps between permanent magnet and copper-manganese rotor is adjusted, so as to adjust the torque transmission capacity of complete equipment；
The permanent magnet angle of inclination B is bigger than copper-manganese rotor tilt angle A 5 °, can effectively reduce copper-manganese rotor tip magnetic field intensity,
So that copper-manganese end starts vortex and effectively reduced, prevent that copper-manganese rotor startup process from being burnt, overall torque transmission capacity only weakens
3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060451.3U CN206402084U (en) | 2017-01-19 | 2017-01-19 | Permanent magnet eddy current coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060451.3U CN206402084U (en) | 2017-01-19 | 2017-01-19 | Permanent magnet eddy current coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206402084U true CN206402084U (en) | 2017-08-11 |
Family
ID=59519837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720060451.3U Expired - Fee Related CN206402084U (en) | 2017-01-19 | 2017-01-19 | Permanent magnet eddy current coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206402084U (en) |
-
2017
- 2017-01-19 CN CN201720060451.3U patent/CN206402084U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 |