CN104753313A - Stainless steel magnetic field regulating device - Google Patents
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- CN104753313A CN104753313A CN201510105035.6A CN201510105035A CN104753313A CN 104753313 A CN104753313 A CN 104753313A CN 201510105035 A CN201510105035 A CN 201510105035A CN 104753313 A CN104753313 A CN 104753313A
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Abstract
The invention relates to magnetic drive and in particular relates to a stainless steel magnetic field regulating device. The stainless steel magnetic field regulating device is composed of a magnetic field regulating iron block, a stainless steel substrate and a support frame. The magnetic field regulating iron block and the stainless steel substrate are compounded into an integrated structure, and due to the characteristics of the stainless steel, namely no magnetism, high mechanical strength, good heat resistance, small thermal expansion, good dimensional stability and long-term outdoor usability, and the excellent machinability and weldability of the stainless steel material, the defects of high polymer materials (nylon, epoxy resin and polyformaldehyde) used for common magnetic field regulating devices as substrates are overcome. Due to the corrosion resistance and the high temperature resistance of the stainless steel, the magnetic field regulating device becomes a novel insulating sleeve resistant to corrosion and high temperatures and having a magnetic field regulating function, and will play an important role under working conditions having requirements on high temperatures and corrosion prevention in the industries such as chemical engineering and ships. Besides, based on the magnetic shielding principle of a low-frequency magnetic field and the high mechanical strength of the stainless steel, a new magnetic field regulating device having an excellent magnetic field regulating effect also can be constructed.
Description
Technical field
The present invention relates to magnetic drives, specifically refer to a kind of stainless steel magnetic regulating device, can apply in the magnetic drive device of the industries such as coal, chemical industry, boats and ships, generating.
Background technology
Magnetic drives is electromagnetism and mechanistic integrated, and it substitutes mechanical transmission with the basic theories of modern magnetics, the magneticaction that application permanent magnetic material or electromagnetic mechanism produce, a kind of new technology of realizable force or the contactless transmission of moment; Magnetic drive technology, compared with traditional mechanical transmissioning technology, can reach: 1) realize noncontact transmission; 2) convert the movable sealing in power transmission to static seal, avoid leaking; 3) can vibration passing be avoided, improve transmission stability; 4) friction problem existed in conventional mechanical transmission is eliminated; 4) overload protection of motor is realized.
Traditional magnetic drive device can only realize the transmission of identical torque and rotational speed, and novel magnetism-regulating type magnetic drive device is by feat of the modulating action of magnetic regulating device to magnetic field of permanent magnet, different rotating speeds and torque can be exported, thus compensate for the deficiency of conventional magnetic device, extend the application of magnetic drives, open up a new road for permanent magnetic material uses in machine driving, therefore the research of magnetic field regulating device has important academic significance and practical value.
Mention a kind of permeability magnetic material and non-magnet material along the circumferential direction compact arranged magnetic regulating device in Chinese invention patent 200810036390.2, its non-magnet material is epoxy resin, but it is low with epoxy resin to be that the magnetic regulating device of substrate exists overall impact strength, thermal endurance is bad, the shortcoming such as should not to use out of doors; A kind of magnetic regulating device of improvement is mentioned in Chinese invention patent 201010588092.1, its non-magnet material adopts epoxy resin or polyformaldehyde, and in non-magnet material, penetrate screw to be fixed on before and after adjustable magnetic ring on end plate, this kind of structure adds the mechanical strength of whole magnetic regulating device to a certain extent, but manufacturing process is complicated, in addition, it is not high to there is the degree of polymerization in polyformaldehyde material, labile shortcoming of being heated; A kind of I shape combined type magnetic regulating device is mentioned in Chinese invention patent 201210432030.0, its adjustable magnetic pole piece manufactures I-shaped structure, increase the contact area with non-magnet material, but its non-magnet material adopts nylon or epoxy resin, and nylon to there is creep-resistant property poor, easy water suction, the shortcoming of poor dimensional stability; Above-mentioned magnetic regulating device in the mill more uses die casting and mach method, but its macromolecular material used (epoxy resin, nylon, polyformaldehyde) exists poor dimensional stability or the not good shortcoming of machinability, and die casting then cost is higher; And in the magnetic regulating device mentioned at US Patent No. 2011/0012458 A1, it does not provide explanation to choosing in detail of non-magnet material, and manufacturing process adopts the die casting that cost is higher, in addition, the stacking pattern of its permeability magnetic material adopts and tangentially superposes, and the loss of the minimizing magnetic regulating device that this Direction of superposition can not be best.
Consider the pluses and minuses of above-mentioned patent, the present invention proposes a kind of stainless steel magnetic regulating device, adopt integrated structure design at the bottom of adjustable magnetic iron block and stainless steel lining, what utilize the austenitic stainless steel in stainless steel to have is nonmagnetic, and have mechanical strength relative to macromolecular material (epoxy resin, nylon, polyformaldehyde) high, heat resistance is good, thermal expansion is little, good stability of the dimension, the feature that can use out of doors for a long time, improves stability and the useful life of whole magnetic regulating device.Meanwhile, stainless steel material has good machinability and welding performance, thus the die casting technique that use cost can be avoided higher is to manufacture magnetic regulating device; Utilize stainless high temperature resistant and corrosion resistance, magnetic regulating device can be made the separation sleeve of high temperature resistant, corrosion-resistant, the band adjustable magnetic function of cup-shaped, thus extend the application of magnetic regulating device, in addition, use the magnetic screen principle of low frequency magnetic field and the high characteristic of stainless steel machinery intensity, also can form a kind of magnetic regulating device with good magnetic field modulation effect newly.
Summary of the invention
A kind of stainless steel magnetic regulating device, be mainly used in cartridge type adjustable magnetic asynchronous magnetic couplings and magnetic-gear, general structure by the bottom of adjustable magnetic iron block, stainless steel lining and bracing frame form, it is characterized in that: at the bottom of adjustable magnetic iron block and stainless steel lining along the circumferential direction mutually alternately close-packed arrays form the adjustable magnetic ring of integral structure, one end of bracing frame is connected with adjustable magnetic ring, the other end is connected with outer base, plays the effect of fixing magnetic regulating device; Magnetic regulating device, between power rotor and driven rotor, forms uniform inside and outside air gap, carries out radial modulation, and export different rotating speeds and torque by magnetic Field Coupling by the magnetic field produced permanent magnet.
Described stainless steel magnetic regulating device also can be applicable in disc type adjustable magnetic asynchronous magnetic couplings, general structure by the bottom of adjustable magnetic iron block, stainless steel lining and bracing frame form, it is characterized in that: at the bottom of adjustable magnetic iron block and stainless steel lining along the circumferential direction mutually alternately close-packed arrays form adjustable magnetic dish, one end of bracing frame is connected with adjustable magnetic dish, the other end is connected with outer base, plays the effect of fixing magnetic regulating device; Magnetic regulating device, between driving disc spacing pressing and clutch plate, forms uniform left and right air gap, carries out axial modulation, and export different rotating speeds and torque by magnetic Field Coupling by the magnetic field produced permanent magnet.
Adjustable magnetic iron block is orthogonal, I shape or fan-shaped, is put in the gap at the bottom of adjacent stainless steel lining; Or be processed into cup-shaped at the bottom of stainless steel lining, and adjustable magnetic iron block is circumferentially wrapped at the bottom of stainless steel lining, form the separation sleeve of band adjustable magnetic function.
Adjustable magnetic iron block is put in the gap at the bottom of adjacent stainless steel lining, and being wrapped in adjustable magnetic iron block at the bottom of stainless steel lining, and then at the bottom of stainless steel lining in outside formed in connecting bridge and outer connecting bridge, connecting bridge is on the one hand to the mechanical strength improving adjustable magnetic iron block, then define a low magnetic circuits on the other hand, guide the magnetic line of force not by the bottom of stainless steel lining, and then promote magnetic field modulation effect, said structure is applicable in cartridge type adjustable magnetic asynchronous magnetic couplings and magnetic-gear.
According to the high temperature resistant and corrosion-resistant characteristic that stainless steel has, described stainless steel magnetic regulating device can make the separation sleeve of cup-shaped, thus form a kind of novel separation sleeve of corrosion-resistant, high temperature resistant, band adjustable magnetic function, the industry such as chemical industry, boats and ships to high temperature, anticorrosion have the operating mode of requirement under will play a significant role.
At the bottom of the bracing frame of described stainless steel magnetic regulating device and stainless steel lining, available same stainless steel processes, and make both connect by welding or screw, also can make to be processed into monolithic construction at the bottom of bracing frame and stainless steel lining by the way of machining or stainless steel casting, stainless steel material adopts austenitic stainless steel or other nonmagnetic stainless steel, such as 06Cr19Ni10 (304), 06Cr17Ni12Mo2 (316), 10Cr18Ni12 (305), this type of stainless magnetic permeability is approximately equal to air permeability, can realize comparatively ideal every magnetic effect, relative to common macromolecular material, there is mechanical strength high, heat resistance is good, thermal expansion is little, good stability of the dimension, the feature that can use out of doors for a long time, simultaneously, stainless steel material has good machinability and welding performance, thus the die casting technique that use cost can be avoided higher is to manufacture magnetic regulating device.
Adjustable magnetic iron block is superposed by the adjustable magnetic iron plate of some and is formed, Direction of superposition has three kinds of embodiments, one is for superpose vertically, be applicable to cartridge type adjustable magnetic asynchronous magnetic couplings and magnetic-gear, it is two for radially to superpose, be applicable to disc type adjustable magnetic asynchronous magnetic couplings, it is three for tangentially to superpose, be applicable to cartridge type adjustable magnetic asynchronous magnetic couplings, magnetic-gear and disc type adjustable magnetic asynchronous magnetic couplings, axially superposition superposes the eddy current in structure can be used to play best weakening effect to it with radial direction, the mechanical strength of magnetic regulating device tangentially superposes, while can be promoted, partial impairment can also be played to eddy current, adjustable magnetic iron plate is processed into rectangle, I shape or fan-shaped by Linear cut or stamping forming method, thickness is 0.3 ~ 0.5mm, its material can adopt the good soft magnetic material of magnetic conduction ability, the silicon steel sheet that such as electromechanics trade is conventional, or form adjustable magnetic iron block by soft magnetic material of casting between the way of casting is directly at the bottom of stainless steel lining.
Advantage of the present invention:
(1) integral structure of compound at the bottom of adjustable magnetic iron block and stainless steel lining is adopted, use stainless nonmagnetic, mechanical strength is high, heat resistance is good, thermal expansion is little, good stability of the dimension, the feature that can use out of doors for a long time, overcomes common magnetic regulating device macromolecular material used as shortcoming during substrate.
(2) stainless steel material has good machinability and welding performance, thus the die casting technique that use cost can be avoided higher is to manufacture magnetic regulating device.
(3) use stainless corrosion resistance, heat-resisting quantity, magnetic regulating device can be made to become corrosion-resistant, high temperature resistant, the novel separation sleeve of band adjustable magnetic function, thus extend the application of magnetic regulating device.
(4) use the magnetic screen principle of low frequency magnetic field and the high characteristic of stainless steel machinery intensity, while magnetic field modulation effect can be strengthened, ensure that magnetic regulating device has enough mechanical strengths.
Accompanying drawing explanation
Fig. 1 is the two-dimensional structure figure of the radial magnetic regulating device of cup-shaped separation sleeve structure.
Fig. 2 is the two-dimensional structure enlarged drawing of the radial magnetic regulating device of cup-shaped separation sleeve structure.
Fig. 3 is the tomograph of the radial magnetic regulating device of cup-shaped separation sleeve structure.
Fig. 4 is the adjustable magnetic iron plate tangentially stacking pattern of the radial magnetic regulating device of cup-shaped separation sleeve structure.
Fig. 5 is the adjustable magnetic iron plate stacking pattern vertically of the radial magnetic regulating device of cup-shaped separation sleeve structure.
Fig. 6 is the two-dimensional structure figure of the radial magnetic regulating device of axially superposition I shape.
Fig. 7 is the two-dimensional structure enlarged drawing of the radial magnetic regulating device of axially superposition I shape.
Fig. 8 is the tomograph of the radial magnetic regulating device of axially superposition I shape.
Fig. 9 is the adjustable magnetic iron plate stacking pattern vertically of the radial magnetic regulating device of axially superposition I shape.
Figure 10 is the structural representation with bracing frame at the bottom of the stainless steel lining of radial magnetic regulating device.
Figure 11 is the schematic diagram using screw to be connected with bracing frame at the bottom of the stainless steel lining of radial magnetic regulating device.
Figure 12 uses with bracing frame the schematic diagram be welded to connect at the bottom of the stainless steel lining of radial magnetic regulating device.
Figure 13 is the three-dimensional structure of the radial magnetic regulating device tangentially superposing I shape.
Figure 14 is the adjustable magnetic iron plate tangentially stacking pattern of the radial magnetic regulating device tangentially superposing I shape.
Figure 15 is the two-dimensional structure figure of the radial magnetic regulating device containing inside and outside connection bridge-type.
Figure 16 is the tomograph of the radial magnetic regulating device containing inside and outside connection bridge-type.
Figure 17 is the three dimensional sectional view of the radial magnetic regulating device containing inside and outside connection bridge-type.
Figure 18 is the schematic diagram of the magnetic screen principle of low frequency magnetic field.
Figure 19 is the tomograph perpendicular to axis of the axial magnetic regulating device of cup-shaped separation sleeve structure.
Figure 20 is the tomograph along axis of the axial magnetic regulating device of cup-shaped separation sleeve structure.
Figure 21 is the adjustable magnetic iron plate stacking pattern tangentially of the axial magnetic regulating device of cup-shaped separation sleeve structure.
Figure 22 is the adjustable magnetic iron plate stacking pattern radially of the axial magnetic regulating device of cup-shaped separation sleeve structure.
Figure 23 is the three-dimension integrally structural representation of the axial magnetic regulating device of radial superposition I shape.
Figure 24 is the three dimensional sectional view of the axial magnetic regulating device of radial superposition I shape.
Figure 25 is the adjustable magnetic iron plate radially stacking pattern of the axial magnetic regulating device of radial superposition I shape.
Figure 26 is the three-dimensional structure of the axial magnetic regulating device tangentially superposing I shape.
Figure 27 is the adjustable magnetic iron plate tangentially stacking pattern of the axial magnetic regulating device tangentially superposing I shape.
Figure 28 is the application structure schematic diagram of radial magnetic regulating device in cartridge type adjustable magnetic asynchronous magnetic couplings.
Figure 29 is the application structure schematic diagram of radial magnetic regulating device in cartridge type magnetic-gear.
Figure 30 is the application structure schematic diagram of axial magnetic regulating device in disc type adjustable magnetic asynchronous magnetic couplings.
In figure, 1-adjustable magnetic iron block, at the bottom of 2-stainless steel lining, 3-bracing frame, 4-pedestal, 5-driven shaft, 6-permanent magnet, 7-conductor, 8-driven rotor matrix, 9-power rotor matrix, 10-driving shaft, connecting bridge in 11-, the outer connecting bridge of 12-, 13-adjustable magnetic iron plate, 14-screw.
Embodiment
A kind of stainless steel magnetic regulating device of the present invention, its general structure by the bottom of adjustable magnetic iron block 1, stainless steel lining 2 and bracing frame 3 form, magnetic regulating device is at power rotor matrix 9 and between rotor matrix 8, the bracing frame 3 of one side is connected with outer base 4, play the effect of fixing magnetic regulating device, adjustable magnetic iron block 1 and 2 along the circumferential direction being alternately integrally formed of close-packed arrays structures mutually at the bottom of stainless steel lining; Adjustable magnetic iron block 1 can be processed into rectangle, I shape or fan-shaped, is put in the gap of at the bottom of adjacent stainless steel lining 2; Or according to the high temperature resistant and corrosion-resistant characteristic that stainless steel has, 2 being processed into cup-shaped at the bottom of stainless steel lining, and adjustable magnetic iron block 1 to be circumferentially wrapped at the bottom of stainless steel lining in 2, form a kind of novel separation sleeve (see Fig. 1,2,3) of corrosion-resistant, high temperature resistant, band adjustable magnetic function, the industry such as chemical industry, boats and ships to high temperature, anticorrosion have the operating mode of requirement under will play a significant role.
According to the magnetic screen principle of low frequency magnetic field, utilize low magnetoresistance material to guide magnetic field and realize magnetic screen (see Figure 18); Therefore adjustable magnetic iron block 1 is put in the gap of at the bottom of adjacent stainless steel lining 2, and 2 being wrapped in adjustable magnetic iron block 1 at the bottom of stainless steel lining, and then survey inside and outside 2 at the bottom of stainless steel lining formed in connecting bridge 11 and outer connecting bridge 12(see Figure 15,16,17), connecting bridge is on the one hand to the mechanical strength improving adjustable magnetic iron block, then define a low magnetic circuits on the other hand, guide the magnetic line of force by the bottom of stainless steel lining 2, and then promote magnetic field modulation effect.
Bracing frame 3 with 2 can to process with same stainless steel at the bottom of stainless steel lining, and make both connect (see Figure 10 by welding or screw 14, 11, 12), also can make bracing frame 3 by the way of machining or stainless steel casting and 2 be processed into monolithic construction at the bottom of stainless steel lining, stainless steel material adopts austenitic stainless steel or other nonmagnetic stainless steel, such as 06Cr19Ni10 (304), 06Cr17Ni12Mo2 (316), 10Cr18Ni12 (305), this type of stainless magnetic permeability is approximately equal to air permeability, can realize comparatively ideal every magnetic effect, relative to common macromolecular material (nylon, epoxy resin, polyformaldehyde) have: mechanical strength is high, heat resistance is good, thermal expansion is little, good stability of the dimension, the feature that can use out of doors for a long time, meanwhile, stainless steel material has good machinability and welding performance, thus the die casting technique that use cost can be avoided higher is to manufacture magnetic regulating device, adjustable magnetic iron block 1 is superposed by the adjustable magnetic iron plate 13 of some and is formed, adjustable magnetic iron plate 13 is processed into rectangle, I shape or fan-shaped by Linear cut or stamping forming method, thickness is 0.3 ~ 0.5mm, its material can adopt the good soft magnetic material of magnetic conduction ability, the silicon steel sheet that such as electromechanics trade is conventional, or form adjustable magnetic iron block 1 by the way of casting soft magnetic material of directly casting between 2 at the bottom of stainless steel lining.
The Excitation principle of device: when power rotor matrix 9 rotation makes permanent magnet 6 produce rotating magnetic field, magnetic permeability due to adjustable magnetic iron block 1 to be far longer than at the bottom of stainless steel lining 2, thus the magnetic line of force passes through primarily of adjustable magnetic iron block 1, magnetic field its rotating speed modulated through adjustable magnetic iron block 1 and distribution will change, the magnetic field that slave unit produces is coupled with magnetic field after modulation, thus drive driven rotor to rotate, realize speed change and become torque functions.
Embodiment 1: stainless steel magnetic regulating device can apply in cartridge type magnetic drive device, magnetic regulating device is mutually nested with driving and driven rotor, and between master and slave rotor, form uniform inside and outside air gap, realize radial adjustable magnetic, adjustable magnetic iron plate 13 vertically or tangential superposition formed adjustable magnetic iron block 1(see Fig. 4,5, Fig. 9 and Figure 14); (1) operation principle in cartridge type adjustable magnetic asynchronous magnetic couplings (see Figure 28) is applied to: power rotor 9 drives P
1to pole permanent magnet 6 with n
1rotating speed rotates, and formation rotating speed is n
1, number of pole-pairs P
1rotating magnetic field is P through quantity
2after adjustable magnetic iron block 1 is modulated, its rotating speed and distribution will change and form number of pole-pairs is P
3, rotating speed is n
2new rotating magnetic field, wherein P
3=P
2p
1, n
2=n
1× (P
1/ P
3), the new rotating magnetic field after the conductor 7 on driven rotor 8 cuts modulation produces induced current, and then the induced field formed is coupled with the new rotating magnetic field after modulation, thus drives driven rotor 8 with n
3=n
2the rotating speed of/(1-s) rotates, and wherein s is slip; (2) operation principle in cartridge type magnetic-gear (see Figure 29) is applied to: power rotor 9 drives P
1to pole permanent magnet 6 with n
1rotating speed rotates, and formation rotating speed is n
1, number of pole-pairs P
1rotating magnetic field is P through quantity
2after adjustable magnetic iron block 1 is modulated, its rotating speed and distribution will change and form number of pole-pairs is P
3, rotating speed is n
2new rotating magnetic field, wherein P
3=P
2p
1, n
2=n
1× (P
1/ P
3), driven rotor 8 has P
3the magnetic field produce the permanent magnet 6 of pole and the new rotating magnetic field after modulating intercouple, thus drive driven rotor 8 with n
2rotating speed rotate.
Embodiment 2: stainless steel magnetic regulating device can apply in disc type adjustable magnetic asynchronous magnetic couplings (see Figure 30), adjustable magnetic dish is parallel with master and slave Moving plate, uniform left and right air gap is formed between master and slave Moving plate, realize axial adjustable magnetic, adjustable magnetic iron plate 13 radially or tangential superposition formed adjustable magnetic iron block 1(see Figure 21,22, Figure 25 and Figure 27); Magnetic regulating device in the Excitation principle of this kind of magnetic regulating device and embodiment 1 is similar, and difference is that the former is axial adjustable magnetic, and the latter is radial adjustable magnetic.
Claims (7)
1. a stainless steel magnetic regulating device, be applied in cartridge type adjustable magnetic asynchronous magnetic couplings and magnetic-gear, general structure by the bottom of adjustable magnetic iron block, stainless steel lining and bracing frame form, it is characterized in that: at the bottom of adjustable magnetic iron block and stainless steel lining along the circumferential direction mutually alternately close-packed arrays form the adjustable magnetic ring of integral structure, one end of bracing frame is connected with adjustable magnetic ring, the other end is connected with outer base, plays the effect of fixing magnetic regulating device; Magnetic regulating device, between power rotor and driven rotor, forms uniform inside and outside air gap, carries out radial modulation, and export different rotating speeds and torque by magnetic Field Coupling by the magnetic field produced permanent magnet.
2. a stainless steel magnetic regulating device, be applied in disc type adjustable magnetic asynchronous magnetic couplings, general structure by the bottom of adjustable magnetic iron block, stainless steel lining and bracing frame form, it is characterized in that: at the bottom of adjustable magnetic iron block and stainless steel lining along the circumferential direction mutually alternately close-packed arrays form adjustable magnetic dish, one end of bracing frame is connected with adjustable magnetic dish, the other end is connected with outer base, plays the effect of fixing magnetic regulating device; Magnetic regulating device, between driving disc spacing pressing and clutch plate, forms uniform left and right air gap, carries out axial modulation, and export different rotating speeds and torque by magnetic Field Coupling by the magnetic field produced permanent magnet.
3. a kind of stainless steel magnetic regulating device as claimed in claim 1 or 2, is characterized in that: adjustable magnetic iron block is orthogonal, I shape or fan-shaped, is put in the gap at the bottom of adjacent stainless steel lining; Or be processed into cup-shaped at the bottom of stainless steel lining, and adjustable magnetic iron block is circumferentially wrapped at the bottom of stainless steel lining, form the separation sleeve of band adjustable magnetic function.
4. a kind of stainless steel magnetic regulating device as claimed in claim 1, it is characterized in that: adjustable magnetic iron block is put in the gap at the bottom of adjacent stainless steel lining, and being wrapped in adjustable magnetic iron block at the bottom of stainless steel lining, and then at the bottom of stainless steel lining in outside formed in connecting bridge and outer connecting bridge, connecting bridge is on the one hand to the mechanical strength improving adjustable magnetic iron block, then define a low magnetic circuits on the other hand, guide the magnetic line of force not by the bottom of stainless steel lining, and then promote magnetic field modulation effect.
5. a kind of stainless steel magnetic regulating device as claimed in claim 1, it is characterized in that: process with same stainless steel at the bottom of the bracing frame of described stainless steel magnetic regulating device and stainless steel lining, and make both connect by welding or screw, or make to be processed into monolithic construction at the bottom of bracing frame and stainless steel lining by the way of machining or stainless steel casting.
6. a kind of stainless steel magnetic regulating device as claimed in claim 5, it is characterized in that: stainless steel material adopts austenitic stainless steel or other nonmagnetic stainless steel, be specially 06Cr19Ni10 (304), 06Cr17Ni12Mo2 (316) or 10Cr18Ni12 (305), this type of stainless magnetic permeability is approximately equal to air permeability, can realize comparatively ideal every magnetic effect.
7. a kind of stainless steel magnetic regulating device as claimed in claim 1, it is characterized in that: adjustable magnetic iron block is superposed by the adjustable magnetic iron plate of some and formed, Direction of superposition has three kinds of embodiments, one is for superpose vertically, be applicable to cartridge type adjustable magnetic asynchronous magnetic couplings and magnetic-gear, it is two for radially to superpose, be applicable to disc type adjustable magnetic asynchronous magnetic couplings, it is three for tangentially to superpose, be applicable to cartridge type adjustable magnetic asynchronous magnetic couplings, magnetic-gear and disc type adjustable magnetic asynchronous magnetic couplings, axially superposition superposes the eddy current in structure can be used to play best weakening effect to it with radial direction, the mechanical strength of magnetic regulating device tangentially superposes, while can be promoted, partial impairment can also be played to eddy current, adjustable magnetic iron plate is processed into rectangle, I shape or fan-shaped by Linear cut or stamping forming method, and thickness is 0.3 ~ 0.5mm, or forms adjustable magnetic iron block by soft magnetic material of casting between the way of casting is directly at the bottom of stainless steel lining.
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Application publication date: 20150701 |