CN1852012A - Electromagnetic gear and its making method - Google Patents
Electromagnetic gear and its making method Download PDFInfo
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- CN1852012A CN1852012A CN 200610200429 CN200610200429A CN1852012A CN 1852012 A CN1852012 A CN 1852012A CN 200610200429 CN200610200429 CN 200610200429 CN 200610200429 A CN200610200429 A CN 200610200429A CN 1852012 A CN1852012 A CN 1852012A
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- utmost point
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- solenoid
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Abstract
This invention discloses a magnetic gear and its processing method, in which, a magnetic coil and a magnetic conductivity pole rod are mounted on the gear shaft, the rod has poles N and S mutually tabled and surrounding the outside of the gear shaft to form poles N and S arrayed in stagger to get electromagnetic gears to be put in parallel with a gap, when a gear rotates, it drives the other to operate in the coupling action of the magnetic force of air-gap magnetic field, which has many advantages that ordinary ones do not have: the magnetic force gear is a cylinder, the drive is un-contact without lubrication, friction, wear and tear nor vibration noises.
Description
Technical field: the present invention relates to a kind of electromagnetic gear and preparation method thereof, belong to the travelling gear technical field.
Background technology: traditional geared system is the engagement transferring power of roller between cog, belongs to the contact transmission.Though this gear has been a matured product, though machining accuracy and performance with the improving and improve constantly of process equipment, the version of this gear and the kind of drive make it have some intrinsic shortcomings.Be subjected to bending 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 working life is limited; And must take on the field of conjugate 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 result of use is bad under some environment.
Summary of the invention
The objective of the invention is to: a kind of electromagnetic gear all brand-new from transmission mechanism to version 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 electromagnetic 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.
The present invention is achieved in that the electromagnetic gear manufacture method is, solenoid 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 parts, 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.
Electromagnetic 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 solenoid (5), has a gap between magnetic conduction sleeve (3) and the solenoid (5); On the gear shaft (9) at solenoid (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 solenoid (5) outside, form the cylinder that N, S are extremely alternate.Can not contact between the N utmost point of electromagnetic gear and the S utmost point, otherwise magnetic flux can't operate as normal on the electromagnetic 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 gear, there is not specific requirement, but for reducing leakage field, gap between solenoid (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 electromagnetic gear is gone up installation magnetism-isolating loop (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-isolating loop (2), and is fixing more firm.
Above-mentioned electromagnetic gear, the structure of solenoid (5) comprise magnetic guiding frame (13), coil (14) and bobbin (15), are with bobbin (15) on magnetic guiding frame (13), and coil (14) is installed on the bobbin (15).
Above-mentioned electromagnetic 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 solenoid (5) is fixed on the casing (6), solenoid (5) does not rotate with gear shaft (9), can reduce moment of inertia.
The present invention is different from traditional gear fully from transmission mechanism to version, 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 applicant 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 technology are applied to the magnetic field, work out electromagnetic gear of the present invention.The present invention has the advantage that many conventional gear drives do not possess: at first be that magnetic-gear is a cylinder, do not need to process the gear teeth, thereby also just do not have some inherent shortcomings 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 staring torque lower, in drive system, have overload protective function, to adapt to asymmetry, working service also very convenient.Therefore electromagnetic 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, electromagnetic gear also can be regulated driving torque automatically with the variation of load, makes system's stable drive, energy efficient.
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 view of accompanying drawing 3; Accompanying drawing 5 be in the accompanying drawing 4 B to schematic diagram; 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 diagram; Accompanying drawing 9 is the structural representation of solenoid; Accompanying drawing 10 is the magnetic flux schematic diagram of transmission of the present invention; Accompanying drawing 11 is the use schematic diagram of electromagnetic gear; Accompanying drawing 12 is the magnetic pole distribution map of electromagnetic 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, cylinder 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-isolating loop (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 cross sectional shape of the left pawl utmost point (4) utmost point bar (12) is identical with the physical dimension and the right pawl utmost point (1), and an 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-isolating loop (2).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, solenoid (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), solenoid (5) by screw on casing (6), do not rotate with gear shaft (9), can reduce moment of inertia, simultaneously, for reducing leakage field, solenoid (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-isolating loop (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) other end is installed case lid (10) and saturating lid (11), guarantees the sealing that casing (6) is interior.
Solenoid (5) is made up of magnetic guiding frame (13), coil (14) and bobbin (15).Coil (14) is on bobbin (15), and bobbin (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 device, according to the variation Control current of load or the size of voltage.The thickness of bobbin (15) should be very thin, and bobbin (15) and magnetic guiding frame (13) are made by the good material of magnetic property.
After electromagnetic gear installed, at first with solenoid (5) energising, generation magnetic flux solenoid (5) in, making its right-hand member is the N utmost point, 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 solenoid (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 electromagnetic gear, form the alternate magnetic of N, S and distribute, as shown in figure 12.
Operation principle: constitute the external gear pump transmission as shown in figure 11 when a pair of electromagnetic gear is worked, two electromagnetic gear outer rims 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 the active electromagnetic gear rotates,, dipolar coupling rotates because driving driven electromagnetic gear.Gap between two opposite pole bars (12) of driving and driven electromagnetic 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 solenoid (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 electromagnetic gear through air-gap field again then, through annulus, the magnetic guiding frame (13) of the left pawl utmost point (4) of active electromagnetic gear, again through magnetic conduction sleeve (3), get back to the right pawl utmost point (the N utmost point), thereby form closed electromagnetic gear main flux path, as shown in figure 10.
Embodiments of the invention 2: design a pair of straight tooth column electromagnetic gear, gearratio is 1: 1, 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-isolating loop (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 solenoid (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, cylinder 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-isolating loop (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 solenoid (5) according to prior art, solenoid (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), solenoid (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) 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 (5)
1. electromagnetic gear manufacture method, it is characterized in that: solenoid 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 parts, 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. electromagnetic 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 solenoid (5), has a gap between magnetic conduction sleeve (3) and the solenoid (5); On the gear shaft (9) at solenoid (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 solenoid (5) outside, form the cylinder that N, S are extremely alternate.
3. electromagnetic gear according to claim 2 is characterized in that: go up at the right pawl utmost point (1) magnetism-isolating loop (2) is installed, the utmost point bar (12) of the left pawl utmost point (4) is fixed on the magnetism-isolating loop (2).
4. electromagnetic gear according to claim 2, it is characterized in that: the structure of solenoid (5) comprises magnetic guiding frame (13), coil (14) and bobbin (15), on magnetic guiding frame (13), be with bobbin (15), coil (14) is installed on the bobbin (15).
5. electromagnetic gear according to claim 2 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 solenoid (5) is fixed on the casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102004290A CN1852012B (en) | 2006-05-09 | 2006-05-09 | Electromagnetic gear and its making method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102004290A CN1852012B (en) | 2006-05-09 | 2006-05-09 | Electromagnetic gear and its making method |
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| Publication Number | Publication Date |
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| CN1852012A true CN1852012A (en) | 2006-10-25 |
| CN1852012B CN1852012B (en) | 2010-08-25 |
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| CN2006102004290A Expired - Fee Related CN1852012B (en) | 2006-05-09 | 2006-05-09 | Electromagnetic gear and its making method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9144918B2 (en) * | 2010-09-01 | 2015-09-29 | Wayne Lindberg | Field sawbuck for cantilever support of a felled tree |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102585U (en) * | 1991-11-12 | 1992-04-22 | 秦龙华 | Magnetic machine |
| CN2130302Y (en) * | 1992-04-29 | 1993-04-21 | 罗延科 | Embedded-regulating type autommotive earth magneto generator |
| CN2918894Y (en) * | 2006-05-16 | 2007-07-04 | 贵州大学 | Electromagnetic gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
| CN103727202A (en) * | 2008-02-21 | 2014-04-16 | 马格诺麦克斯有限公司 | Variable magnetic gears |
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| Publication number | Publication date |
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| CN1852012B (en) | 2010-08-25 |
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Granted publication date: 20100825 Termination date: 20150509 |
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