CN105317838A - Magnetic block spliced magnetic ring type magnetic suspension bearing - Google Patents
Magnetic block spliced magnetic ring type magnetic suspension bearing Download PDFInfo
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- CN105317838A CN105317838A CN201410371506.3A CN201410371506A CN105317838A CN 105317838 A CN105317838 A CN 105317838A CN 201410371506 A CN201410371506 A CN 201410371506A CN 105317838 A CN105317838 A CN 105317838A
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Abstract
The invention discloses a magnetic block spliced magnetic ring type magnetic suspension bearing. The magnetic block spliced magnetic ring type magnetic suspension bearing is mainly characterized in that fixing holes of axial magnetizing splicing magnetic blocks are arranged on fixing screw rods in a sleeving mode, and the fixing screw rods are inserted into fixing holes of complete annular magnetizers to make the axial magnetizing splicing magnetic blocks be stuck to the side faces of the complete annular magnetizers, and axial magnetizing complete magnetic ring structure combinations are formed; the magnetizing directions of spliced magnetic blocks of each axial magnetizing complete magnetic ring structure combination are all the same, and the magnetizing directions of every two adjacent magnetic axial magnetizing complete magnetic ring structure combination are opposite; a complete annular magnetizer is sandwiched between the end faces of every two adjacent spliced magnetic rings; the last annular magnetizer is an annular magnetizer which is provided with threaded holes and is in threaded fastening with the fixing screw rods, and fixing nuts are further installed on the outer sides; the axial magnetizing splicing magnetic blocks further internally comprise magnetizing directional corner magnetic blocks, and the multiple magnetizing directional corner magnetic blocks are installed on the side faces of the complete annular magnetizers.
Description
Art
Splice magnet ring type magnetic suspension bearing the present invention relates to a kind of magnetic patch, be exactly specifically magnetic patch is mechanically fixed with magnetic conductor with the mode spliced together with, the compound magnet ring structure of composition, multiple compound magnet ring structure axial series together, it is fabricated to fixed compound magnet ring structure and the compound magnet ring structure of rotation, the permanent magnetism wave interaction produced using its side, fixed compound magnet ring structure is realized to the attraction of the compound magnet ring structure of rotation and is repelled each other, the magnetic support system of rotary part and fixed component is realized.Belong to magnetic levitation technology field.
Background technology
The imagination for manufacturing the bearing without mechanical friction using magnetic force is had it long ago, but to produce that magnetic bearing and application product with Practical significance are extremely difficult, so that not being available for the matured product and application technology of popularization and application still so far for this technology.Electromagnetic suspension bearing technology by representative of Germany technology is the emphasis research and development object in current domestic magnetic suspension bearing field, but electromagnetic suspension bearing is low for magnetic density, so the load-carrying of live spindle is all very low, and need a complicated electronic control system, cause its bulky, it is with high costs, using being very limited.In order to reduce the volume and cost of product, the permanent magnetism magnetic suspension bearing used with mechanical bearing structure just turns into common rotating machinery first.Patent of invention 200910184549.X be we in R ＆ D Level axle permanent-magnet suspension bearing in 2009, find in actual applications, sintering magnetic patch volume do less, it is impossible to meet the requirement of major diameter product.And the magnetic suspension bearing described by patent of invention 2012105385124 is one can not realize the technical scheme of suspension.
The overall magnet ring structure of patent of invention 200910184549.X, the problem of due to sintering process, the volume of sintered permanent magnet can not be more than 200 millimeters, but the diameter of many large scale equipment main shafts is just more than 300 millimeters, if not doing technological improvement, many large scale equipments are not all used.It is this with compound magnet ring structure of the permanent magnet splicing with reference to complete annular magnetic conduction using have developed, the fixed part and rotating part of bearing are made using compound magnet ring structure, the unlimited amplification of major axis diameter is realized, and this bearing is applied to the slewing fields such as motor, magnetic coupler, axial flow blower and wind-driven generator.
The content of the invention
The principle of the present invention be magnetic patch is mechanically fixed with magnetic conductor with the mode spliced together with, the compound magnet ring structure of composition, this compound magnet ring structure is arranged on the stator and rotor of slewing again, what the pressure that the self gravitation and rotation for making rotating part are produced obtained magnetic force completely does not contact support.
The mode that magnetic patch is spliced into magnet ring includes following three kinds of forms：First is magnetic patch central aperture, and magnetic patch is fixed through hole with screw rod；Second is, in magnetic shoe edge designs convex-concave structure, the edge card of magnetic patch on magnetic guiding loop or other fixed bodies, magnetic patch is spliced into complete annular structure；3rd is exactly that magnetic patch and complete annular magnetic conductor are carried out colloid to be connected, and is spliced into loop configuration.
Fig. 1 a are the splicing ring axial magnetic views of magnetic patch central aperture structure, wherein splicing magnetic patch（1）Centre have hole for fixing magnetic patch（2）, there is screw rod to pass through when fixed, by being stitched together with complete annular magnetic conductor, constitute permanent magnetism complete annular structure.
Fig. 1 b are the splicing magnet ring assembly radial section views of magnetic patch central aperture structure, including：Axial charging splices magnetic patch（1）, fixing hole（2）, standing screw（211）, complete annular magnetic conductor（3）, magnetizing direction corner magnetic patch（101）, annular magnetizer with threaded hole（301）And hold-doun nut（8）Deng part composition；Axial charging splices magnetic patch（1）Fixing hole（2）It is enclosed within standing screw（211）On, standing screw（211）Insert complete annular magnetic conductor（3）Fixing hole（2）It is interior, axial charging is spliced magnetic patch（1）It is attached to complete annular magnetic conductor（3）Sideways, the complete magnet ring structure combination of an axial charging is constituted；Splicing magnetic patch inside the complete magnet ring structure combination of each axial charging（1）Magnetizing direction it is all identical, the magnetizing direction between the combination of the adjacent magnetic axial charging of each two complete magnet ring structure is opposite；A complete annular magnetic conductor is pressed from both sides between two contiguous concatenation magnet ring end faces（3）；Last is annular magnetizer with threaded hole（301）With standing screw（211）On screw threads for fastening, hold-doun nut is installed in outside again（8）；Axial charging splices magnetic patch（1）In also include magnetizing direction corner magnetic patch（101）, with multiple magnetizing direction corner magnetic patch（101）Installed in complete annular magnetic conductor（3）Side, constitute magnetizing direction corner splicing magnet ring；The angle of the magnetic patch magnetizing direction anglec of rotation is between 1-90 degree.
Fig. 1 c are the axial view for the splicing magnet ring that magnetic conductor protrudes inwardly from structure, wherein complete annular magnetic conductor（3）Inside diameter be less than splicing annular permanent magnet inside diameter；Certainly it is designed to complete annular magnetic conductor（3）Outside diameter be more than splicing annular permanent magnet outside diameter when, can serve the same role.
Fig. 1 d are that magnetic shoe edge is deposited with convex-concave to fix magnetic patch itself, magnetic patch is fixed on the side of complete annular magnetic conductor, the axial view of composition splicing magnet ring, wherein the protrusion structure being connected with magnetic conductor（201）It is arranged on annular magnetizer, splices magnetic patch（1）Edge card in prominent structure（201）Two sides, are spliced into an annular permanent magnet structure.
Fig. 1 e are the axial views that axial charging magnetic patch splices magnet ring after magnetizing direction rotary angle of 90 DEG, wherein splicing magnetic patch（1）Magnetizing direction all outwards, be all fixed on complete annular magnetic conductor, the whole outside magnet ring structure of composition magnetizing direction.
Fig. 2 a are the magnetic suspension bearing radial cutaway views that radial suspension is realized with splicing magnetic patch composition magnet ring, are a kind of structures that radial suspension is realized based on Fig. 1 b structures；Including：Outside axial charging splicing magnetic patch（102）, inner side axial charging splicing magnetic patch（103）, outer ledge distressed structure splicing magnetic patch（104）, the complete magnet ring of interior annular edge deformation structures to form（105）, magnetic patch fixing hole（2）, imperfect annular magnetizer（301）, complete annular magnetic conductor（302）, edge deformation structural integrity annular magnetizer（303）, outside not magnetic conductor（4）, inner side not magnetic conductor（401）, shell（5）, main shaft（6）And magnetic-leakage preventing magnetic conductor（7）Constituted Deng part；Outside axial charging splicing magnetic patch（102）Magnetic patch fixing hole is passed through by standing screw（2）, it is fixed on imperfect annular magnetizer（301）Side, as the combination of the imperfect magnet ring in outside, be integrally attached to not magnetic conductor（4）Inner side；Imperfect annular magnetizer（301）Internal diameter be less than outside axial charging splice magnetic patch（102）Internal diameter, magnetic conductor is presented and protrudes downward from the phenomenon of permanent magnet, it is downwardly projected distance and is less than 10 millimeters；Inner side axial charging splicing magnetic patch（103）Magnetic patch fixing hole is passed through by screw rod（2）Installed in complete annular magnetic conductor（302）Side, wherein complete annular magnetic conductor（302）It is enclosed within inner side not magnetic conductor（401）Outside, collectively constitute the complete magnet ring structure combination in inner side, the complete magnet ring structure composite entity in inner side is enclosed within main shaft（6）Outside；Edge deformation structure magnetic patch on the outside of wherein（104）With the edge deformation structure magnetic patch of interior annular（105）Correspondence, axial charging is in opposite direction and correspondence is arranged；Not magnetic conductor（4）Installed in shell（5）Inner side；Magnetic-leakage preventing magnetic conductor（7）Installed in shell（5）Both sides, with shell（5）Together, magnetic rotation portion envelops are lived, magnetic-leakage preventing magnetic conductor（7）Including two kinds of forms of sandwich construction and structure thicker.
Fig. 2 b are Fig. 2 a axial views, and part numbers therein are identical with the part numbers in Fig. 2 a.
Fig. 3 a are the radial cutaway views of the splicing magnet ring type axial magnetic suspension bearing of the whole axial chargings of magnetic patch, wherein outside axial charging splicing magnetic patch（102）, inner side axial charging splicing magnetic patch（103）, magnetic patch fixing hole（2）, inner side complete annular magnetic conductor（304）, outside complete annular magnetic conductor（305）, not magnetic conductor（4）, shell（5）And hollow spindle（6）Constituted Deng part；Outside axial charging splicing magnetic patch（102）Magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on outside complete annular magnetic conductor（305）Side, as outside magnet ring structure combination；Outside magnet ring structure combination is enclosed within not magnetic conductor（4）Inner side, and the not magnetic conductor in outside（4）It is enclosed within shell（5）Inner side；Inner side axial charging splicing magnetic patch（103）Magnetic patch fixing hole is passed through by screw rod（2）It is fixed on inner side complete annular magnetic conductor（304）Side, as inner side magnet ring structure combination；Inner side magnet ring structure combination is enclosed within the inner side of outside magnet ring structure combination, inside and outside not contact, in suspended state；Inner side magnet ring structure combination can be directly sleeved on hollow spindle（6）On；Inner side magnet ring structure combination can be enclosed within not magnetic conductor（4）Outside, not magnetic conductor（4）Hollow spindle is enclosed within again（6）On；Splicing magnetic patch inside each outside magnet ring structure combination（102）Magnetizing direction is all identical, the splicing magnetic patch inside the combination of inner side magnet ring structure（103）Magnetizing direction is all identical；Each two complete annular magnetic conductor（3）There is a splicing magnet ring centre；The magnetizing direction of outside magnet ring structure combination is opposite with the corresponding inner side magnet ring structure magnetizing direction combined.
Fig. 3 b are the axonometric drawings of the splicing magnet ring type axial magnetic suspension bearing of the whole axial chargings of Fig. 3 a magnetic patch, and part numbers therein are identical with the part numbers in Fig. 3 a.
Fig. 3 c are the radial cutaway views of the splicing magnet ring type axial magnetic suspension bearing of the whole rotary angle of 90 DEG of magnetizing direction of axial charging magnetic patch, and the magnetic patch of complete annular is spliced in outside（102）For the magnetic patch of axial charging corner 90 -- as radial magnetizing magnetic patch, magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on outside complete annular magnetic conductor（305）Side, as outer radial magnetize loop configuration combination；Equally, the magnetic patch of complete annular is spliced in inner side（103）It is also the magnetic patch of axial charging corner 90 -- radial magnetizing magnetic patch, magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on inner side complete annular magnetic conductor（304）Side, as radially inside magnetize loop configuration combination；The amplitude of above two axial charging magnetic patch magnetizing direction corner can be between 0-90 degree；The loop configuration that radially inside magnetizes combination is enclosed within outer radial and magnetized the inner side of loop configuration combination, in discontiguous suspended state, and relative ring surface is there is a natural attraction between the sexes structure；The magnetizing direction of the adjacent two radial magnetizing loop configuration combination of same diameter is on the contrary, remaining structure is identical with Fig. 3 a structure.
The splicing magnet ring type axial magnetic suspension bearing of the whole rotary angle of 90 DEG of magnetizing direction with the axial charging magnetic patch described in splicing magnetic patch composition magnet ring realizes the magnetic suspension bearing of radial suspension, the splicing magnet ring type axial magnetic suspension bearing of whole axial chargings of magnetic patch described in Fig. 3 a and Fig. 3 c described in the splicing magnet ring assembly radial section view of magnetic patch central aperture structure described in Fig. 1 b, Fig. 2 a, outside correspondence splicing magnet ring structure combination in minimum one group, it becomes possible to realize rotatable suspension；The permanent magnet axial length of above-mentioned all splicing magnetic patch（Also known as magnetic patch thickness）Less than 50 millimeters, its optimum value is less than 10 millimeters；The axial length of above-mentioned complete annular magnetic conductor（Also known as axial width）Less than 50 millimeters；Its optimum value is less than 20 millimeters.
Above-mentioned magnetic suspension bearing is a kind of magnetic suspension bearing with mechanical bearing structure, needs to install mechanical bearing between main shaft and shell, main shaft is maintained at center.
Brief description of the drawings
Fig. 1 a are the splicing ring axial magnetic views of the magnetic patch central aperture structure of the present invention.
Fig. 1 b are the splicing magnet ring assembly radial section views of the magnetic patch central aperture structure of the present invention.
Fig. 1 c are the axial views that the magnetic conductor of the present invention protrudes inwardly from the splicing magnet ring combination of structure.
Fig. 1 d are the magnetic shoe marginal existence convex-concave structures of the present invention, the axial view of the splicing magnet ring for fixing magnetic patch itself.
Fig. 1 e are the axial views of the splicing magnet ring of magnetic patch axial charging direction rotary angle of 90 DEG.
Fig. 2 a are the magnetic suspension bearing radial cutaway views that radial suspension is realized with splicing magnetic patch composition magnet ring of the present invention.
Fig. 2 b are the magnetic suspension bearing axial views that radial suspension is realized with splicing magnetic patch composition magnet ring of the present invention.
Fig. 3 a are the radial cutaway views of the splicing magnet ring type axial magnetic suspension bearing of the whole axial chargings of magnetic patch of the present invention.
Fig. 3 b are the axonometric drawings of the splicing magnet ring type axial magnetic suspension bearing of the whole axial chargings of magnetic patch of the present invention.
Fig. 3 c are the radial cutaway views of the splicing magnet ring type axial magnetic suspension bearing of the whole rotary angle of 90 DEG of magnetizing direction of the axial charging magnetic patch of the present invention.
Fig. 4 is the radial cutaway view applied to wind-driven generator of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 a are the splicing ring axial magnetic views of magnetic patch central aperture structure, wherein splicing magnetic patch（1）Centre have hole for fixing magnetic patch（2）, there is screw rod to pass through when fixed, by being stitched together with complete annular magnetic conductor, constitute permanent magnetism complete annular structure.
Fig. 1 b are the splicing magnet ring assembly radial section views of magnetic patch central aperture structure, including：Axial charging splices magnetic patch（1）, fixing hole（2）, standing screw（211）, complete annular magnetic conductor（3）, magnetizing direction corner magnetic patch（101）, annular magnetizer with threaded hole（301）And hold-doun nut（8）Deng part composition；Axial charging splices magnetic patch（1）Fixing hole（2）It is enclosed within standing screw（211）On, standing screw（211）Insert complete annular magnetic conductor（3）Fixing hole（2）It is interior, axial charging is spliced magnetic patch（1）It is attached to complete annular magnetic conductor（3）Sideways, the complete magnet ring structure combination of an axial charging is constituted；Splicing magnetic patch inside the complete magnet ring structure combination of each axial charging（1）Magnetizing direction it is all identical, the magnetizing direction between the combination of the adjacent magnetic axial charging of each two complete magnet ring structure is opposite；A complete annular magnetic conductor is pressed from both sides between two contiguous concatenation magnet ring end faces（3）；Last is annular magnetizer with threaded hole（301）With standing screw（211）On screw threads for fastening, hold-doun nut is installed in outside again（8）；Axial charging splices magnetic patch（1）In also include magnetizing direction corner magnetic patch（101）, with multiple magnetizing direction corner magnetic patch（101）Installed in complete annular magnetic conductor（3）Side, constitute magnetizing direction corner splicing magnet ring；The angle of the magnetic patch magnetizing direction anglec of rotation is between 1-90 degree.
Fig. 1 c are the axial view for the splicing magnet ring that magnetic conductor protrudes inwardly from structure, wherein complete annular magnetic conductor（3）Inside diameter be less than splicing annular permanent magnet inside diameter；Certainly it is designed to complete annular magnetic conductor（3）Outside diameter be more than splicing annular permanent magnet outside diameter when, can serve the same role.
Fig. 1 d are that magnetic shoe edge is deposited with convex-concave to fix magnetic patch itself, magnetic patch is fixed on the side of complete annular magnetic conductor, the axial view of composition splicing magnet ring, wherein the protrusion structure being connected with magnetic conductor（201）It is arranged on annular magnetizer, splices magnetic patch（1）Edge card in prominent structure（201）Two sides, are spliced into an annular permanent magnet structure.
Fig. 1 e are the axial views that axial charging magnetic patch splices magnet ring after magnetizing direction rotary angle of 90 DEG, wherein splicing magnetic patch（1）Magnetizing direction all outwards, be all fixed on complete annular magnetic conductor, the whole outside magnet ring structure of composition magnetizing direction.
Fig. 2 a are the magnetic suspension bearing radial cutaway views that radial suspension is realized with splicing magnetic patch composition magnet ring, are a kind of structures that radial suspension is realized based on Fig. 1 b structures；Including：Outside axial charging splicing magnetic patch（102）, inner side axial charging splicing magnetic patch（103）, outer ledge distressed structure splicing magnetic patch（104）, the complete magnet ring of interior annular edge deformation structures to form（105）, magnetic patch fixing hole（2）, imperfect annular magnetizer（301）, complete annular magnetic conductor（302）, edge deformation structural integrity annular magnetizer（303）, outside not magnetic conductor（4）, inner side not magnetic conductor（401）, shell（5）, main shaft（6）And magnetic-leakage preventing magnetic conductor（7）Constituted Deng part；Outside axial charging splicing magnetic patch（102）Magnetic patch fixing hole is passed through by standing screw（2）, it is fixed on imperfect annular magnetizer（301）Side, as the combination of the imperfect magnet ring in outside, be integrally attached to not magnetic conductor（4）Inner side；Imperfect annular magnetizer（301）Internal diameter be less than outside axial charging splice magnetic patch（102）Internal diameter, magnetic conductor is presented and protrudes downward from the phenomenon of permanent magnet, it is downwardly projected distance and is less than 10 millimeters；Inner side axial charging splicing magnetic patch（103）Magnetic patch fixing hole is passed through by screw rod（2）Installed in complete annular magnetic conductor（302）Side, wherein complete annular magnetic conductor（302）It is enclosed within inner side not magnetic conductor（401）Outside, collectively constitute the complete magnet ring structure combination in inner side, the complete magnet ring structure composite entity in inner side is enclosed within main shaft（6）Outside；Edge deformation structure magnetic patch on the outside of wherein（104）With the edge deformation structure magnetic patch of interior annular（105）Correspondence, axial charging is in opposite direction and correspondence is arranged；Not magnetic conductor（4）Installed in shell（5）Inner side；Magnetic-leakage preventing magnetic conductor（7）Installed in shell（5）Both sides, with shell（5）Together, magnetic rotation portion envelops are lived, magnetic-leakage preventing magnetic conductor（7）Including two kinds of forms of sandwich construction and structure thicker.
Fig. 2 b are Fig. 2 a axial views, and part numbers therein are identical with the part numbers in Fig. 2 a.
Fig. 3 a are the radial cutaway views of the splicing magnet ring type axial magnetic suspension bearing of the whole axial chargings of magnetic patch, wherein outside axial charging splicing magnetic patch（102）, inner side axial charging splicing magnetic patch（103）, magnetic patch fixing hole（2）, inner side complete annular magnetic conductor（304）, outside complete annular magnetic conductor（305）, not magnetic conductor（4）, shell（5）And hollow spindle（6）Constituted Deng part；Outside axial charging splicing magnetic patch（102）Magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on outside complete annular magnetic conductor（305）Side, as outside magnet ring structure combination；Outside magnet ring structure combination is enclosed within not magnetic conductor（4）Inner side, and the not magnetic conductor in outside（4）It is enclosed within shell（5）Inner side；Inner side axial charging splicing magnetic patch（103）Magnetic patch fixing hole is passed through by screw rod（2）It is fixed on inner side complete annular magnetic conductor（304）Side, as inner side magnet ring structure combination；Inner side magnet ring structure combination is enclosed within the inner side of outside magnet ring structure combination, inside and outside not contact, in suspended state；Inner side magnet ring structure combination can be directly sleeved on hollow spindle（6）On；Inner side magnet ring structure combination can be enclosed within not magnetic conductor（4）Outside, not magnetic conductor（4）Hollow spindle is enclosed within again（6）On；Splicing magnetic patch inside each outside magnet ring structure combination（102）Magnetizing direction is all identical, the splicing magnetic patch inside the combination of inner side magnet ring structure（103）Magnetizing direction is all identical；Each two complete annular magnetic conductor（3）There is a splicing magnet ring centre；The magnetizing direction of outside magnet ring structure combination is opposite with the corresponding inner side magnet ring structure magnetizing direction combined.
Fig. 3 b are the axonometric drawings of the splicing magnet ring type axial magnetic suspension bearing of the whole axial chargings of Fig. 3 a magnetic patch, and part numbers therein are identical with the part numbers in Fig. 3 a.
Fig. 3 c are the radial cutaway views of the splicing magnet ring type axial magnetic suspension bearing of the whole rotary angle of 90 DEG of magnetizing direction of axial charging magnetic patch, and the magnetic patch of complete annular is spliced in outside（102）For the magnetic patch of axial charging corner 90 -- as radial magnetizing magnetic patch, magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on outside complete annular magnetic conductor（305）Side, as outer radial magnetize loop configuration combination；Equally, the magnetic patch of complete annular is spliced in inner side（103）It is also the magnetic patch of axial charging corner 90 -- radial magnetizing magnetic patch, magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on inner side complete annular magnetic conductor（304）Side, as radially inside magnetize loop configuration combination；The amplitude of above two axial charging magnetic patch magnetizing direction corner can be between 0-90 degree；The loop configuration that radially inside magnetizes combination is enclosed within outer radial and magnetized the inner side of loop configuration combination, in discontiguous suspended state, and relative ring surface is there is a natural attraction between the sexes structure；The magnetizing direction of the adjacent two radial magnetizing loop configuration combination of same diameter is on the contrary, remaining structure is identical with Fig. 3 a structure.
Fig. 4 is the radial cutaway view applied to wind-driven generator of the present invention.
The splicing magnet ring type axial magnetic suspension bearing of the whole rotary angle of 90 DEG of magnetizing direction with the axial charging magnetic patch described in splicing magnetic patch composition magnet ring realizes the magnetic suspension bearing of radial suspension, the splicing magnet ring type axial magnetic suspension bearing of whole axial chargings of magnetic patch described in Fig. 3 a and Fig. 3 c described in the splicing magnet ring assembly radial section view of magnetic patch central aperture structure described in Fig. 1 b, Fig. 2 a, outside correspondence splicing magnet ring structure combination in a minimum of one group, it becomes possible to realize rotatable suspension；The axial length of above-mentioned all splicing magnetic patch（Also known as magnetic patch thickness）Less than 50 millimeters, its optimum value is less than 10 millimeters；The axial length of above-mentioned complete annular magnetic conductor（Also known as axial width）Less than 50 millimeters；Its optimum value is less than 20 millimeters；In the corresponding rotation part of above-mentioned magnetic suspension bearing and fixed part, the permanent magnet of rotating part is replaced with magnetic conductor, retains corresponding fixed position permanent magnet, can also realize that magnetic suspension is acted on.
Above-mentioned magnetic suspension bearing is a kind of magnetic suspension bearing with mechanical bearing structure, needs to install mechanical bearing between main shaft and shell, main shaft is maintained at center.
By that analogy, it is every not change permanent magnet and the theory structure of magnetizer combination, with permutation and combination method or increase periph-eral equipment, such as on wind-driven generator, motor and air blower, add rotor and impeller；On the hydraulic turbine, generator amature and turbine impeller etc. are added, the design formed, all within protection scope of the present invention.
Claims (7)
1. a kind of magnetic patch splices magnet ring type magnetic suspension bearing, its primary structure includes axial charging and splices magnetic patch（1）, fixing hole（2）, standing screw（211）, complete annular magnetic conductor（3）, magnetizing direction corner magnetic patch（101）, annular magnetizer with threaded hole（301）And hold-doun nut（8）Deng part composition；It is characterized in that：Axial charging splices magnetic patch（1）Fixing hole（2）It is enclosed within standing screw（211）On, standing screw（211）Insert complete annular magnetic conductor（3）Fixing hole（2）It is interior, axial charging is spliced magnetic patch（1）It is attached to complete annular magnetic conductor（3）Sideways, the complete magnet ring structure combination of an axial charging is constituted；Splicing magnetic patch inside the complete magnet ring structure combination of each axial charging（1）Magnetizing direction it is all identical, the magnetizing direction between the combination of the adjacent magnetic axial charging of each two complete magnet ring structure is opposite；A complete annular magnetic conductor is pressed from both sides between two contiguous concatenation magnet ring end faces（3）；Last is annular magnetizer with threaded hole（301）With standing screw（211）On screw threads for fastening, hold-doun nut is installed in outside again（8）；Axial charging splices magnetic patch（1）In also include magnetizing direction corner magnetic patch（101）, with multiple magnetizing direction corner magnetic patch（101）Installed in complete annular magnetic conductor（3）Side, constitute magnetic patch magnetizing direction corner splicing magnet ring.
2. a kind of magnetic patch splices magnet ring type magnetic suspension bearing, its primary structure includes outside axial charging and splices magnetic patch（102）, inner side axial charging splicing magnetic patch（103）, outer ledge distressed structure splicing magnetic patch（104）, the complete magnet ring of interior annular edge deformation structures to form（105）, magnetic patch fixing hole（2）, imperfect annular magnetizer（301）, complete annular magnetic conductor（302）, edge deformation structural integrity annular magnetizer（303）, outside not magnetic conductor（4）, inner side not magnetic conductor（401）, shell（5）, main shaft（6）And magnetic-leakage preventing magnetic conductor（7）Constituted Deng part；It is characterized in that：Outside axial charging splicing magnetic patch（102）Magnetic patch fixing hole is passed through by standing screw（2）, it is fixed on imperfect annular magnetizer（301）Side, as the combination of the imperfect magnet ring in outside, be integrally attached to not magnetic conductor（4）Inner side；Imperfect annular magnetizer（301）Internal diameter be less than outside axial charging splice magnetic patch（102）Internal diameter, magnetic conductor is presented and protrudes downward from the phenomenon of permanent magnet, it is downwardly projected distance and is less than 10 millimeters；Inner side axial charging splicing magnetic patch（103）Magnetic patch fixing hole is passed through by screw rod（2）Installed in complete annular magnetic conductor（302）Side, wherein complete annular magnetic conductor（302）It is enclosed within inner side not magnetic conductor（401）Outside, collectively constitute the complete magnet ring structure combination in inner side, the complete magnet ring structure composite entity in inner side is enclosed within main shaft（6）Outside；Edge deformation structure magnetic patch on the outside of wherein（104）With the edge deformation structure magnetic patch of interior annular（105）Correspondence, axial charging is in opposite direction and correspondence is arranged；Not magnetic conductor（4）Installed in shell（5）Inner side；Magnetic-leakage preventing magnetic conductor（7）Installed in shell（5）Both sides, with shell（5）Together, magnetic rotation portion envelops are lived, magnetic-leakage preventing magnetic conductor（7）Including two kinds of forms of sandwich construction and structure thicker.
3. a kind of magnetic patch splices magnet ring type magnetic suspension bearing, its primary structure includes outside axial charging and splices magnetic patch（102）, inner side axial charging splicing magnetic patch（103）, magnetic patch fixing hole（2）, inner side complete annular magnetic conductor（304）, outside complete annular magnetic conductor（305）, not magnetic conductor（4）, shell（5）And hollow spindle（6）Constituted Deng part；It is characterized in that：Outside axial charging splicing magnetic patch（102）Magnetic patch fixing hole is passed through by screw rod（2）, it is fixed on outside complete annular magnetic conductor（305）Side, as outside magnet ring structure combination；Outside magnet ring structure combination is enclosed within not magnetic conductor（4）Inner side, and the not magnetic conductor in outside（4）It is enclosed within shell（5）Inner side；Inner side axial charging splicing magnetic patch（103）Magnetic patch fixing hole is passed through by screw rod（2）It is fixed on inner side complete annular magnetic conductor（304）Side, as inner side magnet ring structure combination；Inner side magnet ring structure combination is enclosed within the inner side of outside magnet ring structure combination, inside and outside not contact, in suspended state；Inner side magnet ring structure combination can be directly sleeved on hollow spindle（6）On；Inner side magnet ring structure combination can be enclosed within not magnetic conductor（4）Outside, not magnetic conductor（4）Hollow spindle is enclosed within again（6）On；Splicing magnetic patch inside each outside magnet ring structure combination（102）Magnetizing direction is all identical, the splicing magnetic patch inside the combination of inner side magnet ring structure（103）Magnetizing direction is all identical；Each two complete annular magnetic conductor（3）There is a splicing magnet ring centre；The magnetizing direction of outside magnet ring structure combination is opposite with the corresponding inner side magnet ring structure magnetizing direction combined.
4. magnetic patch according to claim 2 splices magnet ring type magnetic suspension bearing, it is characterised in that：It is commonly mounted on two bearings on a main shaft, on the contrary, just turning into cantilevered magnetic suspension system, for replacing cantilever beam bearing housing above and below active force.
5. magnetic patch according to claim 3 splices magnet ring type magnetic suspension bearing, it is characterised in that：The magnetizing direction of magnetic patch all rotates in the same direction 90 °, constitutes a kind of magnetic suspension bearing of magnetizing direction perpendicular to major axes orientation;The magnetizing direction corner of magnetic patch can meet the requirement of suspension between 1-90 °.
6. magnet ring type magnetic suspension bearing is spliced according to any described magnetic patch of claim 1,2,3, it is characterised in that：Splice the axial length of magnetic patch（Also known as magnetic patch thickness）Less than 50 millimeters, its optimum value is less than 10 millimeters；The axial length of complete annular magnetic conductor（Also known as axial width）Less than 50 millimeters；Its optimum value is less than 20 millimeters.
7. magnet ring type magnetic suspension bearing is spliced according to any described magnetic patch of claim 1,2,3, it is characterised in that：In the corresponding rotation part of magnetic suspension bearing and fixed part, the permanent magnet of rotating part is replaced with magnetic conductor, retains corresponding fixed position permanent magnet, can also realize that magnetic suspension is acted on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410371506.3A CN105317838A (en) | 2014-07-31 | 2014-07-31 | Magnetic block spliced magnetic ring type magnetic suspension bearing |
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| CN201410371506.3A CN105317838A (en) | 2014-07-31 | 2014-07-31 | Magnetic block spliced magnetic ring type magnetic suspension bearing |
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| CN105317838A true CN105317838A (en) | 2016-02-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346265A (en) * | 2018-11-02 | 2019-02-15 | 赣州协鑫超能磁业有限公司 | A kind of tubular composite permanent magnet and the magnetic assembly comprising it |
| CN110081081A (en) * | 2019-04-25 | 2019-08-02 | 哈尔滨工业大学 | A kind of liquid magnetic vector support applied to Hydraulic Elements |
| CN111337382A (en) * | 2020-01-16 | 2020-06-26 | 华中科技大学 | Density measuring method and device based on negative magnetophoresis |
| CN114294326A (en) * | 2021-12-27 | 2022-04-08 | 珠海格力电器股份有限公司 | Magnetic suspension radial bearing and motor |
-
2014
- 2014-07-31 CN CN201410371506.3A patent/CN105317838A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346265A (en) * | 2018-11-02 | 2019-02-15 | 赣州协鑫超能磁业有限公司 | A kind of tubular composite permanent magnet and the magnetic assembly comprising it |
| CN110081081A (en) * | 2019-04-25 | 2019-08-02 | 哈尔滨工业大学 | A kind of liquid magnetic vector support applied to Hydraulic Elements |
| CN111337382A (en) * | 2020-01-16 | 2020-06-26 | 华中科技大学 | Density measuring method and device based on negative magnetophoresis |
| CN111337382B (en) * | 2020-01-16 | 2021-08-20 | 华中科技大学 | Density measuring method and device based on negative magnetophoresis |
| CN114294326A (en) * | 2021-12-27 | 2022-04-08 | 珠海格力电器股份有限公司 | Magnetic suspension radial bearing and motor |
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Application publication date: 20160210 |