CN103236775A - Permanent-magnet slip transmission mechanism - Google Patents
Permanent-magnet slip transmission mechanism Download PDFInfo
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- CN103236775A CN103236775A CN2013101526522A CN201310152652A CN103236775A CN 103236775 A CN103236775 A CN 103236775A CN 2013101526522 A CN2013101526522 A CN 2013101526522A CN 201310152652 A CN201310152652 A CN 201310152652A CN 103236775 A CN103236775 A CN 103236775A
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Abstract
The invention relates to a permanent-magnet slip transmission mechanism with a slip transmission function. The permanent-magnet slip transmission mechanism structurally comprises a grooved drum provided with two magnetic disks and a groove, a base disk connected with the two magnetic disks through a spring, two pairs of radial-flux magnets, an operating lever and two levers; a torque can be reliably and stably transferred during slip transmission; and the value of the transferred torque can be changed in a stepless manner. The permanent-magnet slip transmission mechanism comprises the base disk 6, the grooved drum 13, the magnetic disk 14, the magnetic disk 10, the magnetic disk 2, the magnetic disk 9, the levers 4, the operating lever 17, and the like, and is suitable for the fields of vehicles, wind power generation systems, air vehicles, machine tools, general machinery, industrial and mineral machinery, engineering machinery, and the like.
Description
Technical field
What the present invention relates to is a kind of permanent magnetism slippage transmission mechanism, and mechanism has at input element and output element under the situation of speed discrepancy and transmits moment of torsion; Utilize the permanent magnetism power of axial magnetic flux to interact to make noncontact between input element and the output element, but be installed on the disk axial distance stepless change each other of basal disc, realize that moment of torsion that mechanism transmits can stepless change; Utilize groove on the groove drum and the pin on the basal disc to cooperate, slotted disk can endwisely slip, and allows the disk generation magneticaction of both sides respectively, and forward reliable delivery moment of torsion suppresses the generation of reactive torque when realizing that input element and output element have speed discrepancy; The permanent magnetism power that is provided with the magnet of radial flux and axial magnetic flux at the disk of groove drum and basal disc is complementary on phase place, and the pulsation of the moment of torsion that smooth-going mechanism transmits makes that the torque fluctuation of transmitting is less; Be applicable to fields such as vehicle, wind-powered electricity generation electricity generation system, aircraft, lathe, universal machine, industrial and mineral machinery, engineering machinery.
Background technology
Being used for the input and output element has the actuated element of speed discrepancy that hydraulic torque converter and fluid coupling are arranged, though utilize the hydraulic power system to operate steadily, but machining accuracy height, efficient is low under the big operating mode of speed discrepancy, and volume is bigger, structure on automobile is the combination of hydraulic torque converter and epicyclic gear train, infinitely variable speeds when having utilized the characteristic of hydraulic torque converter to realize that speed ratio changes among a small circle, for improving system effectiveness and expansion gear range, use a plurality of epicyclic gear trains to make up to expand its ratio coverage, it is introduced 1 gear of the every increase of the type speed changer, oil consumption can save 3%, and its oil consumption at present is higher than the automobile of equipping manual shift transmission, and make the system authority complexity behind the increase gear, the design and installation difficulty it is reported even the twin axle automatic transmission is arranged, and makes that obviously system bulk is bigger.Because the permanent magnetism transmission has the characteristics of noncontact transmission, more and more be widely used with the raising of rare-earth permanent magnet technology, had at present more permanent magnet clutch and the application report of permanent magnetic coupling, mainly solve the centering problem of sealing problem and axle, and under the situation that irregularly has the slippage transmission, its heat dissipation problem is bigger, at present there is not to be used as specially the mechanism of slippage transmission, if can make the slippage transmission mechanism, just can partly substitute hydraulic torque converter, and volume and weight can reduce significantly all.
Summary of the invention
The present invention seeks to provides a kind of permanent magnetism slippage transmission mechanism at above-mentioned weak point, for obtaining high efficiency slippage transmission mechanism, has used groove drum and basal disc that disk is installed respectively, utilizes the permanent magnetism power of axial magnetic flux to transmit moment of torsion; Utilization is installed on the characteristics that the disk axial distance of basal disc can stepless change, makes the torque of system's transmission steplessly to change; Be installed on the magnet of the radial flux on the disk of groove drum and basal disc, the smooth-going pulsation of axial flux permanent magnet moment has reduced the fluctuation of the permanent magnetic torque that mechanism transmits; Utilize the groove of groove drum and the pin effect of contraction each other of basal disc, groove drum is made axially reciprocating with respect to basal disc when the slippage transmission, make the disk of both sides transmit moment of torsion in the different time, the moment of torsion that has effectively utilized forward to transmit, the moment of torsion that has suppressed back transfer, make the system effectiveness height, caloric value reduces; The energy source that groove drum is made axially reciprocating repels each other and inhales mutually in permanent magnetism power, does not need external energy mechanism or operating mechanism, makes system configuration simplify, and volume is little.
For achieving the above object, the present invention adopts following technical measures:
A kind of permanent magnetism slippage transmission mechanism, be connected and installed with basal disc 6 on the axle 1, spring 22 has been installed on the basal disc 6, spring 22 connects disk 2 and disk 9, disk 2 and disk 9 can endwisely slip on axle 1, can be that spline fitted or flat key cooperate each other, offer porose 18 on the basal disc 6, inside is equipped with lever 4, there is screw 16 that lever 4 is installed in the hole 18, joystick 17 actuating linkages 4 rotate the distance that has increased between disk 2 and the disk 9 around screw 16, the moment of torsion that makes mechanism transmit increases, spring 22 makes that distance is dwindled between disk 2 and the disk 9, half groove drum 12 is housed in the groove drum 13, form groove 5 between two and half groove drums 12, groove drum 13 also can be made of one with half groove drum 12, namely on groove drum 13, directly offer groove 5, processing wants difficulty to become big, pin 11 is arranged on the basal disc 6, in pin 11 insertion grooves 5, when between groove drum 13 and basal disc 6, relative motion being arranged, pin 11 slides in groove 5 and has just changed the relative position of groove drum 13 and basal disc 5, groove drum 13 carries out axially reciprocating, groove drum 12 with respect to the characteristics of motion of basal disc 6 as shown in Figure 4, at disk 2 magnet 3 is installed, at disk 9 magnet 8 is installed, at half groove drum 12 magnet 20 and magnet 21 are installed, suppose that magnet 3 and magnet 20 will soon move axially preceding interaction at groove drum 13, the relative position that both act on the initial stage as shown in Figure 6, when groove drum 13 moves to opposite side, magnet 8 and magnet 21 interact, the relative position that both act on the later stage as shown in Figure 7, the effect of these two pairs of magnet has coincidence each other, pulsation when transmitting moment of torsion in order to the disk of smooth-going axial magnetic flux, reach reducing mechanism and transmit the fluctuation of moment of torsion, the moment of torsion that makes mechanism transmit is more stable, disk 14, disk 10, disk 2 is similar with magnet arrangement on the disk 9, and the arrangement of the magnet 19 on the disk 10 as shown in Figure 8, the quantity of magnet 19 is even number, groove drum 13 connecting axles 15.
This method comprises following concrete steps:
1) axially the distance change is big under the effect of joystick 17 for disk 2 and disk 9, then the moment of torsion of mechanism's transmission becomes big, the moment of torsion that transmits when distance between the two is maximum also becomes maximum, the axial distance of disk 2 and disk 9 diminishes under the effect of spring 22, the moment of torsion that transmits also diminishes, and the moment of torsion that transmits during to minimum position can be ignored;
2) on the basal disc 6 pin 11 is arranged, pin 11 inserts in the groove 5 of groove drum 13, when between groove drum 13 and basal disc 6, relative rotation speed being arranged, pin 11 is in groove 5 motions, groove drum 13 axially moves by rule shown in the accompanying drawing 4, make and suppress reactive torque by the moderate transmission positive torque of mechanism, because permanent magnet clutch or permanent magnetic coupling are when transmitting moment of torsion, if having continuously, active member and drive element relatively rotate, its torque change rule near sinusoidal curve each other then, have just have negative, the needing of forward, reverse meeting causes power loss, make average torque descend greatly, thus need groove drum 13 to make axially reciprocating, to suppress reactive torque.
3) because the positive torque that axial magnetic flux disk 2 and disk 14, disk 9 and disk 10 transmit has bigger pulsation, stationarity to system is bad, so be provided with magnet 3 and magnet 20, magnet 8 and magnet 21, these two pairs of magnet work before and after groove drum 13 axially moves, reduce the fluctuation of positive torque, made mechanism transmit steadily.
4) the mobile energy of groove drum comes from disk 2 and disk 14, magnetic force between disk 9 and the disk 10, when transmitting positive torques, disk 2 and disk 14 approach at the end, magnetic force between the two is for repelling each other, mutual expelling force approaches maximum simultaneously, pin 11 moved to groove 5 and arranged vertically in groove 5 this moment, then groove drum 13 is done axial motion, magnetic force between this moment disk 9 and disk 10 is to inhale mutually, phase suction also approaches maximum, guaranteed that groove drum 13 carries out axial motion fast, simultaneously magnet 3 and magnet 20, magnetic force between magnet 8 and the magnet 21 has played the growth trend effect to the movement of groove drum 13.
A kind of permanent magnetism slippage transmission mechanism is to take following scheme to realize: the basal disc, two pairs that a kind of permanent magnetism slippage transmission mechanism concrete structure connects two disks by spring by a groove drum that two disks is installed and offers groove, radially magnet, joystick and two each and every one levers of magnetic flux formed; It is characterized in that axle (1) coaxial connection basal disc (6), described basal disc (6) connection spring (22), described spring (22) connection disk (2) and disk (9), described disk (2) and disk (9) are installed on the described axle (1) by spline or flat key, offer on the described basal disc (6) porose (18), described hole (18) is equipped with lever (4), the fixing described lever (4) of screw (16) is in described hole (18), joystick (17) connection lever (4), groove drum (13) is coaxially installed with half groove drum (12), form groove (5) between described two and half groove drums (12), described basal disc (6) periphery is equipped with pin (11), described pin (11) inserts in the described groove (5), on described disk (2) cylindrical magnet (3) is installed, on described disk (9) cylindrical magnet (8) is installed, on the described half groove drum endoporus (12) magnet (20) and magnet (21) are installed, disk (14), disk (10), described disk (2) is similar with magnet arrangement on the described disk (9), described disk (10) is installed magnet (19), the quantity of described magnet (19) is even number, described groove drum (13) connecting axle (15).
The present invention's " a kind of permanent magnetism slippage transmission mechanism ", be provided with groove drum and basal disc disk is installed respectively, utilize the permanent magnetism power of axial magnetic flux to transmit moment of torsion, utilization is installed on the characteristics that the disk axial distance of basal disc can continuously change, the torque that makes mechanism transmit can steplessly change, be installed on the magnet of radial flux on the disk of groove drum and basal disc, the smooth-going pulsation of axial flux permanent magnet moment, utilize the groove of groove drum and the pin effect of contraction each other of basal disc, groove drum is made axially reciprocating with respect to basal disc when the slippage transmission, the moment of torsion that has effectively utilized forward to transmit, groove drum is done energy source the repelling each other and suction mutually in permanent magnetism power of axially reciprocating, do not need external energy mechanism or operating mechanism, make system configuration simplify, volume is little, is applicable to vehicle, the wind-powered electricity generation electricity generation system, aircraft, lathe, universal machine, industrial and mineral machinery, fields such as engineering machinery.
The characteristics of a kind of permanent magnetism slippage of the present invention transmission mechanism:
1, a kind of permanent magnetism slippage of the present invention transmission mechanism endwisely slipping by groove drum, respectively with the disk generation permanent magnetic action power of groove drum 13 left and right sides, utilize the transmission moment of torsion of forward, suppressed reciprocal transmission moment of torsion, made mechanism can realize the moment of torsion transmission between principal and subordinate's moving part.
2, the distance that is installed between two disks on the basal disc can change, and when distance between the two was maximum, mechanism transmitted maximum moment of torsion, when between the two distance hour, mechanism transmits moment of torsion hardly.
3, it is right to have the magnet of radial flux between groove drum and basal disc, and this magnet makes that to the pulsation in order to smooth-going axial magnetic flux magnet the torque ripple of permanent magnetism slippage transmission mechanism is less.
4, in the mechanism design the mobile power resources of groove drum in the permanent magnetic action power of disk, when a side positive acting moment of torsion approaches at the end, axial permanent magnetic power between groove drum and the basal disc is mutual expelling force at this moment, this is tried hard to recommend moving groove drum and moves to opposite side, the axial permanent magnetic power of opposite side is for inhaling mutually simultaneously, attract groove drum to move to opposite side, reach the purpose of fast moving groove drum.
5, the radial flux magnet that has between groove drum 13 and the basal disc 6 is to having following feature on the position arrangement: the magnet arrangement of groove drum 13 with basal disc 6 magnet over against the inclined to one side outside, when groove drum need slide, can reliably control the direction that groove drum moves like this and increase the magnetic force that groove drum moves.
6, transmit moment of torsion between groove drum and the basal disc and mainly rely on the transmission of permanent magnetism power, groove 13 and pin 5 are mainly born groove drum rule control in axial sliding, so the size of groove and pin and little.
What the present invention relates to is a kind of permanent magnetism slippage transmission mechanism, the basal disc, two pairs that concrete structure connects two disks by spring by a groove drum that two disks is installed and offers groove, one radially magnet, joystick and two each and every one levers of magnetic flux formed, can be when the slippage transmission reliable smooth transfer moment of torsion, be applicable to fields such as vehicle, wind-powered electricity generation electricity generation system, aircraft, lathe, universal machine, industrial and mineral machinery, engineering machinery.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Accompanying drawing 1～accompanying drawing 8 is a kind of permanent magnetism slippage transmission mechanism embodiments, and actual use the of the present invention is not limited to embodiment.
Embodiment
With reference to accompanying drawing 1～accompanying drawing 8, a kind of permanent magnetism slippage transmission mechanism architectural feature is (as accompanying drawing 1～accompanying drawing 2): accompanying drawing 1 is for transmitting the state of peak torque, accompanying drawing 2 is not for transmitting moment of torsion or transmitting the negligible state of moment of torsion, basal disc 6 is of a size of diameter 120mm, pin 11 is of a size of 6mm, the internal diameter of groove drum 13 is 122mm, external diameter is 136mm, the width of groove 5 is 6mm, dark 5mm, disk 14, disk 2,10 Nd-Fe-B permanent magnets all have been installed on disk 9 and the disk 10, quantity can be according to the actual size adjustment, Nd-Fe-B permanent magnet is of a size of 20mm * 20mm * 5mm, magnet 3, magnet 8, magnet 20 and magnet 21 are a watt shape magnet, width is 10mm, accompanying drawing 3 is the installation site of lever 4 in basal disc 6, the screw thread of screw 16 is M8, thick part is by screw thread, groove drum 13 with respect to the relation of the corner of basal disc 6 and axial distance as shown in Figure 4, accompanying drawing 5 has been showed the three-dimensional shape of groove 5, accompanying drawing 6 and accompanying drawing 7 have been showed magnet 3, magnet 8, magnet 20 and magnet 21 is front-back direction in action, arrow is that basal disc 6 is with respect to the direction of rotation of groove drum 13, it is the rotating speed height of the rotating ratio groove drum 13 of basal disc 6, the rotating speed height of rotating ratio basal disc 6 that also can groove drum 13 in application process, accompanying drawing 8 has been showed the arrangement form of magnet 19 in disk 10.
Claims (3)
1. permanent magnetism slippage transmission mechanism, mechanism with slippage transmission agency, it is characterized in that structure is by the coaxial connection basal disc of axle (1) (6), described basal disc (6) connection spring (22), described spring (22) connection disk (2) and disk (9), described disk (2) and disk (9) are installed on the described axle (1) by spline or flat key, offer on the described basal disc (6) porose (18), described hole (18) is equipped with lever (4), the fixing described lever (4) of screw (16) is in described hole (18), joystick (17) connection lever (4), groove drum (13) is coaxially installed with half groove drum (12), form groove (5) between described two and half groove drums (12), described basal disc (6) periphery is equipped with pin (11), and described pin (11) inserts in the described groove (5), disk (14), disk (10), described disk (2) is similar with magnet arrangement on the described disk (9), described disk (10) is installed magnet (19), described groove drum (13) connecting axle (15).
2. a kind of permanent magnetism slippage transmission mechanism according to claim 1, it is characterized in that: coaxial and described half groove drum of described groove drum (13) (12) can be made of one, and described groove (5) directly is opened on the described groove drum (13).
3. a kind of permanent magnetism slippage transmission mechanism according to claim 1, it is characterized in that: on described disk (2) cylindrical magnet (3) is installed, on described disk (9) cylindrical magnet (8) is installed, on the described half groove drum endoporus (12) magnet (20) and magnet (21) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152652.2A CN103236775B (en) | 2013-04-25 | 2013-04-25 | Permanent-magnet slip transmission mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152652.2A CN103236775B (en) | 2013-04-25 | 2013-04-25 | Permanent-magnet slip transmission mechanism |
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| CN103236775A true CN103236775A (en) | 2013-08-07 |
| CN103236775B CN103236775B (en) | 2015-07-15 |
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| CN201310152652.2A Expired - Fee Related CN103236775B (en) | 2013-04-25 | 2013-04-25 | Permanent-magnet slip transmission mechanism |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578691A (en) * | 2015-01-17 | 2015-04-29 | 李启飞 | LG multi-cylinder fluid speed regulation disk type magnetic coupling |
| CN104617744A (en) * | 2015-01-17 | 2015-05-13 | 李启飞 | LH/I type single-cylinder fluid speed governing disk magnetic coupler |
| CN104852551A (en) * | 2015-05-25 | 2015-08-19 | 南京工程学院 | Permanent magnetic differential drive mechanism |
| CN105281539A (en) * | 2015-07-24 | 2016-01-27 | 南京艾凌节能技术有限公司 | Permanent magnet speed regulator |
| CN105990993A (en) * | 2015-02-10 | 2016-10-05 | 李启飞 | 513 type ball screw electric speed adjusting disk type magnetic coupler |
| CN106602842A (en) * | 2017-02-09 | 2017-04-26 | 金陵科技学院 | Moving magnetic cylinder and outer cylinder combination mechanism for permanent-magnet torque converter |
| CN106712451A (en) * | 2017-01-22 | 2017-05-24 | 金陵科技学院 | Driving connection device between moving magnetic discs and magnetic disc frame of permanent-magnet torque converter |
| CN106849610A (en) * | 2017-03-10 | 2017-06-13 | 金陵科技学院 | A kind of dual output disk structure of permanent magnetism torque-converters |
| CN108673217A (en) * | 2018-04-13 | 2018-10-19 | 合肥恩锐科技有限公司 | A kind of transmission device of machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104578691A (en) * | 2015-01-17 | 2015-04-29 | 李启飞 | LG multi-cylinder fluid speed regulation disk type magnetic coupling |
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| CN106849610A (en) * | 2017-03-10 | 2017-06-13 | 金陵科技学院 | A kind of dual output disk structure of permanent magnetism torque-converters |
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| CN108673217A (en) * | 2018-04-13 | 2018-10-19 | 合肥恩锐科技有限公司 | A kind of transmission device of machine tool |
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| CN103236775B (en) | 2015-07-15 |
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