CN1844710A - Electromagnet and permanent magnet mixed gear and making method thereof - Google Patents
Electromagnet and permanent magnet mixed gear and making method thereof Download PDFInfo
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- CN1844710A CN1844710A CN 200610200480 CN200610200480A CN1844710A CN 1844710 A CN1844710 A CN 1844710A CN 200610200480 CN200610200480 CN 200610200480 CN 200610200480 A CN200610200480 A CN 200610200480A CN 1844710 A CN1844710 A CN 1844710A
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Abstract
The invention discloses an electromagnetic permanent mixed gear wheel. Wherein, the axle of gear wheel is mounted with an electromagnetic coil and a magnetic rod; the magnetic rod can be divided into N pole and S pole which are meshed and coiled on the outer side of gear wheel axle to form interlaced N poles and S poles to attain an electromagnetic gear wheel; two electromagnetic gear wheels are parallel arranged with a space between them; when one electromagnetic gear wheel rotates, via the couple function of gas space magnetic field, another electromagnetic gear wheel will be rotated. The invention has the advantages, compared to generate gear wheel: the magnetic gear wheel is a cylinder without tooth; it has non-contact transmission, without lubricant and friction, therefore, it has stable transmission and non noise; the start torque is lower, and it has overload protection function.
Description
Technical field: the present invention relates to a kind of electromagnet and permanent magnet mixing gear and preparation method thereof, belong to the driving gear technical field.
Background technique: traditional gearing is the engagement transferring power of roller between cog, belongs to the contact-type transmission.Though this gear has been a matured product, though machining accuracy and performance with the improving and improve constantly of process equipment, the structural type of this gear and the kind of drive make it have some intrinsic shortcomings.Be subjected to flexural stress and surface contact stress and cause the wearing and tearing of the tired and flank of tooth of the gear teeth as the gear teeth, so operating life is limited; And must take on the Surface of action of the gear teeth to lubricate, involve a series of problems such as lubricated and sealing again to gear; And the gear of transmission also has problems such as vibration and noise at work, and using effect is bad under some environment.The Chinese patent of the applicant's application: electromagnetic gear and preparation method thereof, number of patent application are: disclose a kind of electromagnetic gear in 200610200429.0, conventional gears these problems have in use been solved, but find under study for action, because electromagnetic gear must rely on electric power to keep work, if the power supply units such as storage battery that adopt hinder in the time of can't powering for some reason, electromagnetic gear can't normally start, so just limited the operating range of electromagnetic gear greatly, made its popularization and utilization be subjected to certain restriction.
Summary of the invention
The objective of the invention is to: a kind of electromagnet and permanent magnet mixing gear and preparation method thereof is provided, transmission mechanism of the present invention is based on the electromagnetism of Maxwell's Theory of Electromagnetic Field, the electromagnet and permanent magnet mixing gear that obtains is contactless transmission, have need not to lubricate, advantage such as no friction energy loss, no wearing and tearing, stable drive, friction noise, cleanliness without any pollution, to overcome some inherent defects of conventional gears device, and gearing of the present invention can start under the situation of zero current, has ensured the proper functioning of transmission system.
The present invention is achieved in that electromagnet and permanent magnet mixing gear making method is, electromagnetic coil and leading pole bar are installed on gear shaft, the leading pole bar is divided into the N utmost point and S utmost point two-part, the extremely two-part leading pole bar of the N utmost point and S is chimeric mutually, be centered around the gear shaft outside, on gear shaft, form, obtain electromagnetic gear along the staggered N utmost point of circumference, the S utmost point; With 2 parallel putting together of electromagnetic gear, reserve a gap, the different leading pole bar of magnetic pole is close together on the electromagnetic gear, and when one of them electromagnetic gear rotated, the coupling by air-gap field magnetic force drove another electromagnetic gear and rotates.
Above-mentioned electromagnet and permanent magnet mixing gear making method, between the N of the electromagnetic gear utmost point and the S utmost point, permanent magnetic iron is installed, like this, even before electromagnetic coil is not switched on, magnetic by permanent magnetic iron on 2 electromagnetic gears, also can start the electromagnetic gear transmitting torque, after electromagnetic gear rotates, can drive generator work, to electromagnetic coil energising, after the electromagnetic coil energising, along with the increase of electrical current increases electromagnetic gear magnetic, and the magnetic field size of regulating electromagnetic coil, satisfy the different loads requirement.Like this, though electromagnetic coil power supply (as storage battery etc.) short of electricity, as long as with very little power, also can start the electromagnetic gear transmission, drive generator work, charge to storage battery simultaneously, this device can be used for as on the automobile, as long as can promote wheel, just can drive the electromagnetic gear transmission.
Electromagnet and permanent magnet mixing gear of the present invention, it comprises gear shaft (9), and magnetic conduction sleeve (3) is installed on gear shaft (9), magnetic conduction sleeve (3) is provided with electromagnetic coil (5), has a gap between magnetic conduction sleeve (3) and the electromagnetic coil (5); On the gear shaft (9) at electromagnetic coil (5) two ends, be separately installed with the right pawl utmost point (1) and the left pawl utmost point (4), the last annular of the right pawl utmost point (1) and the left pawl utmost point (4) is provided with the utmost point bar (12) as the electromagnetism N utmost point, the S utmost point, here alleged " utmost point bar ", also can be described as " utmost point pawl ", " utmost point tooth " or " gear teeth ", has a gap between two the two poles of the earth bars (12) on the right pawl utmost point (1) and the left pawl utmost point (4), and it is chimeric mutually, be staggered in electromagnetic coil (5) outside, form the cylindrical body that N, S are extremely alternate.Can not contact between the N utmost point of electromagnet and permanent magnet mixing gear and the S utmost point, otherwise magnetic flux can't proper functioning on the electromagnet and permanent magnet mixing gear, therefore the right pawl utmost point (1) does not contact each other with the left pawl utmost point (4), the gap length that the right pawl utmost point (1) and the left pawl utmost point (4) are gone up between the utmost point bar (12) is determined according to size, the specification of actual electromagnetic permanent magnetism mixing gear, there is not specific requirement, but for reducing leakage field, gap between electromagnetic coil (5) and magnetic conduction sleeve (3) and the right pawl utmost point (1) and the left pawl utmost point (4) should be as far as possible little, but can not touch together each other.
Above-mentioned electromagnet and permanent magnet mixing gear is gone up installation magnetism resistent ring (2) at the right pawl utmost point (1), and the utmost point bar (12) of the left pawl utmost point (4) is fixed on the magnetism resistent ring (2), and is fixing more firm.
Above-mentioned electromagnet and permanent magnet mixing gear is with annular magnetic steel (17) on magnetism resistent ring (2), be with the magnet steel lasso (18) every magnetic outside annular magnetic steel (17), installs the annular magnetic steel (17) of permanent magnetism on electromagnetic gear, improves the usability of electromagnetic gear.
Above-mentioned electromagnet and permanent magnet mixing gear, the structure of electromagnetic coil (5) comprise magnetic guiding frame (13), coil (14) and coil carrier (15), are with coil carrier (15) on magnetic guiding frame (13), and coil (14) is installed on the coil carrier (15).
Above-mentioned electromagnet and permanent magnet mixing gear, be with casing (6) outside gear shaft (9), an end of gear shaft (9) is installed on the casing (6) by bearing (7), and electromagnetic coil (5) is fixed on the casing (6), electromagnetic coil (5) does not rotate with gear shaft (9), can reduce rotary inertia.
The present invention is different from traditional gear fully from transmission mechanism to structural type, overcome some inherent defects of conventional gears.Transmission mechanism of the present invention is based on the electromagnetism of Maxwell's Theory of Electromagnetic Field.The claimant is on the basis of Physics of Magnetism to the research of material microcosmic physics and chemistry structure and interaction mechanism, and on basis to the exploration of the design of magnetic material and processing mode, new technology, new material, new process are applied to the magnetic field, work out electromagnet and permanent magnet mixing gear of the present invention.The present invention has the advantage that many conventional gear transmissions do not possess: at first be that magnetic-gear is a cylindrical body, do not need to process the gear teeth, thereby also just do not have some intrinsic defects of conventional gears; Because magnetic-gear is non-Contact Transmission, so need not to lubricate, no friction energy loss, no wearing and tearing, stable drive, friction noise, cleanliness without any pollution; In addition, its starting torque lower, in transmission system, have overload protective function, to adapt to nonsymmetry, working service also very convenient.Therefore electromagnet and permanent magnet mixing gear of the present invention is a kind of free of contamination environmentally friendly machine.These advantages make magnetic-gear have good application prospects.The present invention simultaneously utilizes hot-wire coil to produce magnetic field, the power that is magnetic field can be regulated by the size that changes coil current, thereby make the effect torque adjustable, if adopt suitable control system, so, electromagnet and permanent magnet mixing gear also can be regulated driving torque automatically with the variation of load, makes system's stable drive, energy efficient.And on the basis of electromagnetic gear, add permanent magnetic iron, utilize permanent magnetic iron to make the gear perseverance have certain magnetic, even the electromagnetic coil power supply (as storage battery etc.) short of electricity, as long as with very little power, also can start the electromagnetic gear transmission, the work of drive generator, simultaneously to storage battery charging, thereby provide the power for operation of electromagnetic coil, be applicable on the equipment such as automobile, as long as can promote wheel, just can drive the electromagnetic gear transmission.
Description of drawings: accompanying drawing 1 is a structural representation of the present invention; Accompanying drawing 2 is the scheme of installation of the right pawl utmost point and the left pawl utmost point on the gear shaft; Accompanying drawing 3 is the structural representation of the right pawl utmost point; Accompanying drawing 4 is the right elevation of accompanying drawing 3; Accompanying drawing 5 be in the accompanying drawing 4 B to schematic representation; Accompanying drawing 6 is the structural representation of the left pawl utmost point; Accompanying drawing 7 is the left view of accompanying drawing 6; Accompanying drawing 8 be in the accompanying drawing 7 A to schematic representation; Accompanying drawing 9 is the structural representation of electromagnetic coil; Accompanying drawing 10 is the magnetic flux schematic diagram of transmission of the present invention; Accompanying drawing 11 is the use schematic representation of electromagnet and permanent magnet mixing gear; Accompanying drawing 12 is the magnetic pole distribution map of electromagnet and permanent magnet mixing gear.
Embodiment
Embodiments of the invention 1: adopt complete non-magnetic material gear shaft (9), gear shaft (9) will rotate when transferring power, bear torque, but magnetic conduction not.The right pawl utmost point (1) and the left pawl utmost point (4) are installed respectively on gear shaft (9), and the right pawl utmost point (1) (the N utmost point, as shown in Figure 3) and the left pawl utmost point (3) (the S utmost point, as shown in Figure 6), they are structurally variant, all are several utmost point bars (12) that annular is provided with but identical point is an end, are uniformly distributed along the circumference; One end of the right pawl utmost point (1) is a ring-type, and separately all utmost point bars (12) are fused.The right pawl utmost point (1) and the left pawl utmost point (4) are gone up the equal in length of utmost point bar, axially the physical dimension in each cross section identical (the axial cross section shape can be rectangle or trapezoidal etc.), number are equal, the utmost point bar (12) of the right pawl utmost point (1) and the left pawl utmost point (4) is chimeric mutually, paralleling to the axis in outer gear rim is staggered, and forms a N utmost point, cylindrical body that S is extremely alternate.Wherein, the right-hand member of the left side pawl utmost point (4) is enclosed within on the right pawl utmost point (1) by magnetism resistent ring (2), shown in Fig. 6～8, the left end of the left side pawl utmost point (4) is a ring-type, unsettled nothing supporting, the sectional shape of the left side pawl utmost point (4) utmost point bar (12) is identical with the physical dimension and the right pawl utmost point (1), one end of all utmost point bars (12) links to each other with a ring, link to each other with another ring after the other end bending of utmost point bar (12), this ring is enclosed within on the magnetism resistent ring (2), and on magnetism resistent ring (2), be with the annular magnetic steel (17) of a permanent magnetism, outside annular magnetic steel (17), put non-magnetic magnet steel lasso (18).Magnetic conduction sleeve (3) is installed on the gear shaft (9), rotates with gear shaft (9).At the magnetic conduction sleeve (3) and the right pawl utmost point (1), form an annular space between the left side pawl utmost point (4), as shown in Figure 2, electromagnetic coil (5) is installed into above-mentioned annular space from the left end of the left pawl utmost point (4), outside gear shaft (9), be with casing (6), one end of gear shaft (9) is installed on the casing (6) by bearing (7), electromagnetic coil (5) by screw on casing (6), do not rotate with gear shaft (9), can reduce rotary inertia, simultaneously, for reducing leakage field, electromagnetic coil (5) and the magnetic conduction sleeve (3) and the right pawl utmost point (1), gap between the left side pawl utmost point (4) should be as far as possible little, but can not touch together each other.Wherein, the right pawl utmost point (1), the left pawl utmost point (4), magnetic conduction sleeve (3) are made by the good soft magnetic material of magnetic property; Magnetism resistent ring (2), gear shaft (9) are made by complete non-magnetic material.End at casing (6) installation bearing (7) installs stifle (8) at last, and casing (6) the other end is installed case lid (10) and saturating lid (11), guarantees the sealing that casing (6) is interior.
Electromagnetic coil (5) is made up of magnetic guiding frame (13), coil (14) and coil carrier (15).Coil (14) is on coil carrier (15), and coil carrier (15) is enclosed within on the magnetic guiding frame (13).Coil (14) is formed by ordinary copper wire-wound system, the number of turns of twining is decided according to the size of gear transmission torque, two the end of a thread of coil (14) place the hole of same end on casing (6) wall to draw, and link to each other with power supply and control gear, control the size of curtage according to the variation of load.The thickness of coil carrier (15) should be very thin, and coil carrier (15) and magnetic guiding frame (13) are made by the good material of magnetic property.
Gear shaft (9) at electromagnetic gear is gone up the annular magnetic steel (17) that permanent magnetism is installed, can be before electromagnetic coil (5) not be switched on, magnetic by annular magnetic steel (17) on 2 gears, the starter receiver device, and transmit certain torque, can drive electricity generating device after gearing starts and produce electric current input electromagnetic coil (5), along with the electric current in the electromagnetic coil (5) increases, the Magnetic flux density of utmost point bar (12) also increases thereupon, the corresponding raising of the transmitting torque of gearing, even like this before electromagnetic coil (5) is not switched on, by the permanent magnetism magnetic of annular magnetic steel (17) on 2 gears, but also starter receiver device transmitting torque, after gearing rotates, can drive generator work, give electromagnetic coil (5) energising, after electromagnetic coil (5) energising, make the magnetic increase of electromagnetic gear along with the increase of electric current, and the magnetic field size of regulating electromagnetic coil (5), can satisfy the different loads requirement.Like this, even electromagnetic coil power supply (as storage battery etc.) short of electricity, as long as with very little power, also can start the electromagnetic gear transmission, drive generator work, charge to storage battery simultaneously, this device can be used for as on the automobile, as long as can promote wheel, just can drive the electromagnetic gear transmission, work normally thereby start electromagnetic gear.And after transmission finishes; along with the electric current in the electromagnetic coil (5) reduces, the transmitting torque of gearing is corresponding to be reduced, owing to the magnetic action of permanent magnetic iron on 2 electromagnetic gears; main driven gear skids relatively when gearing transships, and transmission system is played overload protective function.
After electromagnet and permanent magnet mixing gear installs, at first rotate driving gear, the electric current that drives the electricity generating device generation produces magnetic flux with electromagnetic coil (5) energising in electromagnetic coil (5), and making its right-hand member is the N utmost point, and left end is the S utmost point.Magnetic conduction sleeve (3) is lived by magnetic, and magnetic flux arrives the utmost point bar (12) of right utmost point pawl (1) vertically through the annulus of the right pawl utmost point (1), makes utmost point bar (12) band N utmost point magnetic; The magnetic flux of electromagnetic coil (5) left end makes utmost point bar (12) band S polarity through the utmost point bar (12) of magnetic guiding frame (13) to the left pawl utmost point (4).Because the utmost point bar (12) of the right pawl utmost point (1) and the left pawl utmost point (4) is chimeric mutually, so, on the circumference of electromagnet and permanent magnet mixing gear, form the alternate magnetic of N, S and distribute, as shown in figure 12.
Working principle: constitute the external gear pump transmission as shown in figure 11 during a pair of electromagnet and permanent magnet mixing working gear, because the effect of electromagnetic coil (5), two outer gear rim evenly distributing alternately the N utmost point and the S utmost point, because of the cause that there is a natural attraction between the sexes, the same sex is repelled each other keeps two polarity be close together (not contacting) when static, when driving gear rotates,, dipolar coupling rotates because driving driven gear.Gap between two opposite pole bars (12) of driving and driven gear, the air-gap field of formation transferring power.When other condition was identical, air gap height directly influenced the size of gear transmission magnetic torque.When electromagnetic coil (5) when aliving, magnetic conduction sleeve (3) is lived by magnetic, magnetic flux arrives the utmost point bar (12) (the N utmost point) of right utmost point pawl (1) vertically through the annulus of the right pawl utmost point (1), magnetic flux, is returned by air-gap field to the utmost point bar (12) (the S utmost point) of driven gear through air-gap field again then, through annulus, the magnetic guiding frame (13) of the left pawl utmost point (4) of driving gear, again through magnetic conduction sleeve (3), get back to the right pawl utmost point (the N utmost point), thereby form closed gear main flux path, as shown in figure 10.
Embodiments of the invention 2: design a pair of straight toothed spur gear, velocity ratio is 1: 1, and basic parameter is as follows: the material of the right pawl utmost point (1), the left pawl utmost point (4) and magnetic conduction sleeve (3) is all selected steel for use No. 10, gear shaft (9), magnetism resistent ring (2) material selection stainless steel.Utmost point bar (12) number average of the right pawl utmost point (1) of driven wheel, the left pawl utmost point (4) is 6, the outer diameter D 1=83mm of the right pawl utmost point (1) and the left pawl utmost point (4), inside diameter D 2=66mm, utmost point pole length L=39mm, air-gap field height t g=0.5mm, the copper wire diameter d=0.77mm that electromagnetic coil (5) adopts twines number of plies m=4, coil unit length number of turn n=20 circle/cm.Make gear shaft (9) earlier, the right pawl utmost point (1) and the left pawl utmost point (4) are installed respectively on gear shaft (9) then, the utmost point bar (12) of the right pawl utmost point (1) and the left pawl utmost point (4) is chimeric mutually, and paralleling to the axis in outer gear rim is staggered, and forms a N utmost point, cylindrical body that S is extremely alternate.Wherein, the right-hand member of the left pawl utmost point (4) is enclosed within on the right pawl utmost point (1) by magnetism resistent ring (2), and the left end of the left pawl utmost point (4) is a ring-type, unsettled nothing supporting.Magnetic conduction sleeve (3) is installed on the gear shaft (9), at the magnetic conduction sleeve (3) and the right pawl utmost point (1), form an annular space between the left side pawl utmost point (4), make electromagnetic coil (5) according to prior art, electromagnetic coil (5) is installed into above-mentioned annular space from the left end of the left pawl utmost point (4), outside gear shaft (9), put a casing (6) then, one end of gear shaft (9) is installed on the casing (6) by bearing (7), electromagnetic coil (5) by screw on casing (6), do not rotate with gear shaft (9), the end that bearing (7) is installed at casing (6) installs stifle (8), casing (6) the other end is installed case lid (10) and saturating lid (11), gear shaft (9) passes case lid (10) and saturating lid (11), guarantees the sealing in the casing (6).
Claims (7)
1. electromagnet and permanent magnet mixing gear making method, it is characterized in that: electromagnetic coil and leading pole bar are installed on gear shaft, the leading pole bar is divided into the N utmost point and S utmost point two-part, the extremely two-part leading pole bar of the N utmost point and S is chimeric mutually, be centered around the gear shaft outside, on gear shaft, form, obtain electromagnetic gear along the staggered N utmost point of circumference, the S utmost point; With 2 parallel putting together of electromagnetic gear, reserve a gap, the different leading pole bar of magnetic pole is close together on the electromagnetic gear, and when one of them electromagnetic gear rotated, the coupling by air-gap field magnetic force drove another electromagnetic gear and rotates.
2. electromagnet and permanent magnet mixing gear making method according to claim 1, it is characterized in that: between the N of the electromagnetic gear utmost point and the S utmost point, permanent magnetic iron is installed, before electromagnetic coil is not switched on, magnetic by permanent magnetic iron on 2 electromagnetic gears, start the electromagnetic gear transmitting torque, after electromagnetic gear rotates, can drive generator work, switch on to electromagnetic coil, after the electromagnetic coil energising, increase along with the increase of electrical current makes electromagnetic gear magnetic, regulate the magnetic field of electromagnetic coil, satisfy the different loads requirement.
3. electromagnet and permanent magnet mixing gear as claimed in claim 1, it comprises gear shaft (9), it is characterized in that: magnetic conduction sleeve (3) is installed on gear shaft (9), and magnetic conduction sleeve (3) is provided with electromagnetic coil (5), has a gap between magnetic conduction sleeve (3) and the electromagnetic coil (5); On the gear shaft (9) at electromagnetic coil (5) two ends, be separately installed with the right pawl utmost point (1) and the left pawl utmost point (4), the last annular of the right pawl utmost point (1) and the left pawl utmost point (4) is provided with the utmost point bar (12) as the electromagnetism N utmost point, the S utmost point, has a gap between two the two poles of the earth bars (12) on the right pawl utmost point (1) and the left pawl utmost point (4), and it is chimeric mutually, be staggered in electromagnetic coil (5) outside, form the cylindrical body that N, S are extremely alternate.
4. electromagnet and permanent magnet mixing gear according to claim 3 is characterized in that: go up at the right pawl utmost point (1) magnetism resistent ring (2) is installed, the utmost point bar (12) of the left pawl utmost point (4) is fixed on the magnetism resistent ring (2).
5. electromagnet and permanent magnet mixing gear according to claim 4 is characterized in that: be with annular magnetic steel (17) on magnetism resistent ring (2), be with the magnet steel lasso (18) every magnetic outside annular magnetic steel (17).
6. electromagnet and permanent magnet mixing gear according to claim 3, it is characterized in that: the structure of electromagnetic coil (5) comprises magnetic guiding frame (13), coil (14) and coil carrier (15), on magnetic guiding frame (13), be with coil carrier (15), coil (14) is installed on the coil carrier (15).
7. electromagnet and permanent magnet mixing gear according to claim 3 is characterized in that: be with casing (6) outside gear shaft (9), an end of gear shaft (9) is installed on the casing (6) by bearing (7), and electromagnetic coil (5) is fixed on the casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610200480 CN1844710A (en) | 2006-05-22 | 2006-05-22 | Electromagnet and permanent magnet mixed gear and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610200480 CN1844710A (en) | 2006-05-22 | 2006-05-22 | Electromagnet and permanent magnet mixed gear and making method thereof |
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| CN1844710A true CN1844710A (en) | 2006-10-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975263A (en) * | 2010-10-19 | 2011-02-16 | 靳北彪 | Magnetic gear speed-changing device |
| CN104452127A (en) * | 2014-11-29 | 2015-03-25 | 彭超昀莉 | Sewing machine directly driven by micro servo motor and operation method thereof |
| CN110094482A (en) * | 2018-03-30 | 2019-08-06 | 珠海市磐石电子科技有限公司 | Compound magnetic gear |
| CN110094483A (en) * | 2019-03-30 | 2019-08-06 | 珠海市磐石电子科技有限公司 | Magnetic gear, magnetic gear driver and motor |
-
2006
- 2006-05-22 CN CN 200610200480 patent/CN1844710A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975263A (en) * | 2010-10-19 | 2011-02-16 | 靳北彪 | Magnetic gear speed-changing device |
| CN104452127A (en) * | 2014-11-29 | 2015-03-25 | 彭超昀莉 | Sewing machine directly driven by micro servo motor and operation method thereof |
| CN110094482A (en) * | 2018-03-30 | 2019-08-06 | 珠海市磐石电子科技有限公司 | Compound magnetic gear |
| CN110094483A (en) * | 2019-03-30 | 2019-08-06 | 珠海市磐石电子科技有限公司 | Magnetic gear, magnetic gear driver and motor |
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