CN103236775B - Permanent-magnet slip transmission mechanism - Google Patents
Permanent-magnet slip transmission mechanism Download PDFInfo
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- CN103236775B CN103236775B CN201310152652.2A CN201310152652A CN103236775B CN 103236775 B CN103236775 B CN 103236775B CN 201310152652 A CN201310152652 A CN 201310152652A CN 103236775 B CN103236775 B CN 103236775B
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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 fourth magnetic disk 14, the third magnetic disk 10, the first magnetic disk 2, the second 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-magnet slip transmission mechanism, and mechanism is transmitting torque when input element and output element have speed discrepancy; Utilize the permanent magnetic of axial magnetic flux to interact and make noncontact between input element and output element, the disk being installed on basal disc axial distance each other can stepless change, and realizing moment of torsion that mechanism transmits can stepless change; Utilize the groove on groove drum and the pin on basal disc to coordinate, slotted disk can slide axially, and allows the disk generation magneticaction of both sides respectively, realizes forward reliable delivery moment of torsion when input element and output element have a speed discrepancy, suppresses the generation of reactive torque; The disk of groove drum and basal disc is provided with the magnet of radial flux, and the permanent magnetic of axial magnetic flux is complementary in phase place, the pulsation of the moment of torsion that smooth-going mechanism transmits, makes the torque fluctuation of transmitting less; Be applicable to the fields such as vehicle, wind-powered electricity generation electricity generation system, aircraft, lathe, universal machine, industrial and mineral machinery, engineering machinery.
Background technology
The actuated element of speed discrepancy is had to have hydraulic torque converter and fluid coupling for input and output element, although utilize hydraulic power system cloud gray model steady, but machining accuracy is high, under the operating mode that speed discrepancy is large, efficiency is low, and volume is larger, structure on automobile is the combination of hydraulic torque converter and epicyclic gear train, the characteristic that make use of hydraulic torque converter achieves infinitely variable speeds when speed ratio changes among a small circle, for improving system effectiveness and expansion gear range, multiple epicyclic gear train is used to combine to expand its ratio coverage, it is introduced that the type speed changer often increases by 1 gear, oil consumption can save 3%, its oil consumption is at present higher than the automobile of equipment manual gear speed changer, and after increase gear, make system authority complicated, design and installation difficulty, it is reported even there is twin axle automatic transmission, obviously make system bulk larger.Because permanent magnet transmission has the feature of noncontact transmission, more and more be widely used with the raising of rare-earth permanent magnet technology, at present there is more permanent magnet clutch and the application report of permanent magnetic coupling, mainly solve the centering problem of sealing problem and axle, and when irregularly having slippage transmission, its heat dissipation problem is larger, be not used as the mechanism of slippage transmission at present specially, if slippage transmission mechanism can be made, just energy Some substitute hydraulic torque converter, and volume and weight all can significantly reduce.
Summary of the invention
The present invention seeks to provide a kind of permanent-magnet slip transmission mechanism for above-mentioned weak point, for obtaining high efficiency slippage transmission mechanism, employing groove drum and basal disc installs disk respectively, utilizing the permanent magnetic transmitting torque of axial magnetic flux; Utilize the disk axial distance being installed on basal disc can the feature of stepless change, the torque of system transmission can steplessly be changed; 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, reduce 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, when slippage transmission, groove drum makes axially reciprocating relative to basal disc, make the disk of both sides at different Time Transmission moments of torsion, effectively make use of the moment of torsion that forward transmits, inhibit the moment of torsion of back transfer, make system effectiveness high, caloric value reduces; Energy source the repelling each other with attracting in permanent magnetic of axially reciprocating done by groove drum, and do not need external energy mechanism or operating mechanism, system configuration is simplified, and volume is little.
For achieving the above object, the present invention adopts following technical measures:
A kind of permanent-magnet slip transmission mechanism, axle 1 is connected and installed with basal disc 6, basal disc 6 has installed spring 22, spring 22 connects the first disk 2 and second disk 9, first disk 2 and second disk 9 can slide axially on axle 1, can be that spline fitted or flat key coordinate each other, basal disc 6 offers porose 18, inside is provided with lever 4, there is screw 16 that lever 4 is installed in hole 18, joystick 17 actuating linkage 4 rotates the distance increased between the first disk 2 and second disk 9 around screw 16, the moment of torsion that mechanism is transmitted increases, spring 22 makes the spacing of the first disk 2 and second disk 9 reduce, groove drum 13 is built with half groove drum 12, groove 5 is formed 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, groove 5 is directly offered, processing wants difficulty to become large, basal disc 6 there is pin 11, in pin 11 insertion groove 5, when having relative motion between groove drum 13 and basal disc 6, pin 11 slides and just changes the relative position of groove drum 13 and basal disc 5 in groove 5, groove drum 13 carries out axially reciprocating, groove drum 12 relative to basal disc 6 the characteristics of motion as shown in Figure 4, first disk 2 is provided with the first magnet 3, second disk 9 is provided with the second magnet 8, half groove drum 12 is provided with the 3rd magnet 20 and the 4th magnet 21, suppose that the first magnet 3 and the 3rd magnet 20 interact before moving axially at groove drum 13, both relative positions at effect initial stage as shown in Figure 6, when groove drum 13 moves to opposite side, second magnet 8 and the 4th magnet 21 interact, both relative positions in effect later stage as shown in Figure 7, the effect of these two pairs of magnet has coincidence each other, pulsation during disk transmitting torque in order to smooth-going axial magnetic flux, reach the fluctuation of reducing mechanism transmitting torque, the moment of torsion that mechanism is transmitted is more stable, 4th disk 14, 3rd disk 10, first disk 2 is similar with the magnet arrangement on second disk 9, the arrangement of the magnet 19 on the 3rd disk 10 as shown in Figure 8, the quantity of magnet 19 is even number, groove drum 13 connecting axle 15.
The method comprises following concrete steps:
1) the first disk 2 and second disk 9 axial distance under the effect of joystick 17 becomes large, the moment of torsion that then mechanism transmits becomes large, the moment of torsion transmitted when distance is between the two maximum also becomes maximum, under the effect of spring 22, the axial distance of the first disk 2 and second disk 9 diminishes, the moment of torsion transmitted also diminishes, and can ignore to the moment of torsion transmitted during minimum position;
2) basal disc 6 there is pin 11, pin 11 inserts in the groove 5 of groove drum 13, when having relative rotation speed between groove drum 13 and basal disc 6, pin 11 moves at groove 5, groove drum 13 axially moves by rule shown in accompanying drawing 4, make the moderate transmission positive torque of mechanism, suppress reactive torque, because permanent magnet clutch or permanent magnetic coupling are when transmitting torque, if active member and drive element have relatively rotate continuously, then its torque change rule near-sinusoidal each other, have just have negative, forward be needs, reverse meeting causes power loss, average torque is declined greatly, so need groove drum 13 to make axially reciprocating, to suppress reactive torque.
3) positive torque transmitted due to axial magnetic flux first disk 2 and the 4th disk 14, second disk 9 and the 3rd disk 10 has larger pulsation, bad to the stationarity of system, so be provided with the first magnet 3 and the 3rd magnet 20, second magnet 8 and the 4th magnet 21, these two pairs of magnet work before and after groove drum 13 axially moves, reduce the fluctuation of positive torque, mechanism is transmitted steadily.
4) the mobile energy of groove drum comes from the first disk 2 and the 4th disk 14, magnetic force between second disk 9 and the 3rd disk 10, when the first disk 2 and the 4th disk 14 transmit positive torque close at the end, magnetic force is between the two for repelling each other, mutual expelling force is close to maximum simultaneously, now pin 11 moves to groove 5 and arranges vertically in groove 5, then axial motion done by groove drum 13, magnetic force between this moment second disk 9 and the 3rd disk 10 is attracting, phase suction is also close to maximum, ensure that groove drum 13 carries out axial motion fast, first magnet 3 and the 3rd magnet 20 simultaneously, the movement of magnetic force to groove drum 13 between second magnet 8 and the 4th magnet 21 serves growth trend effect.
A kind of permanent-magnet slip transmission mechanism takes following scheme to realize: a kind of permanent-magnet slip transmission mechanism concrete structure by one, two disks are installed and offer the groove drum of groove, one connect the basal disc of two disks, the magnet of two pairs of radial flux, a joystick and two each and every one levers by spring and form, it is characterized in that the coaxial connection basal disc (6) of axle (1), described basal disc (6) connection spring (22), described spring (22) connection first disk (2) and second disk (9), described first disk (2) and second disk (9) are arranged on described axle (1) by spline or flat key, described basal disc (6) is offered porose (18), described hole (18) is provided 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), groove (5) is formed between described two and half groove drums (12), described basal disc (6) periphery is equipped with pin (11), described pin (11) inserts in described groove (5), described first disk (2) cylindrical is provided with the first magnet (3), described second disk (9) cylindrical is provided with the second magnet (8), described half groove drum endoporus (12) is provided with the 3rd magnet (20) and the 4th magnet (21), 4th disk (14), 3rd disk (10), described first disk (2) is identical with the magnet shape on described second disk (9), the 5th magnet (19) installed by described 3rd disk (10), the quantity of described 5th magnet (19) is even number, described groove drum (13) connecting axle (15).
The present invention's " a kind of permanent-magnet slip transmission mechanism ", be provided with groove drum and basal disc installs disk respectively, utilize the permanent magnetic transmitting torque of axial magnetic flux, utilize the feature that the disk axial distance being installed on basal disc can continuously change, the torque that mechanism is transmitted can steplessly change, the magnet of radial flux on the disk being installed on 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, when slippage transmission, groove drum makes axially reciprocating relative to basal disc, effectively make use of the moment of torsion that forward transmits, the groove drum energy source of making axially reciprocating in permanent magnetic repel each other and attracting, do not need external energy mechanism or operating mechanism, system configuration is simplified, volume is little, be applicable to vehicle, wind-powered electricity generation electricity generation system, aircraft, lathe, universal machine, industrial and mineral machinery, the fields such as engineering machinery.
The feature of a kind of permanent-magnet slip transmission mechanism of the present invention:
1, a kind of permanent-magnet slip transmission mechanism of the present invention sliding axially by groove drum, respectively with the disk generation permanent magnetic action power of groove drum 13 left and right sides, make use of the transmitting torque of forward, inhibit reciprocal transmitting torque, make the moment of torsion transmission that mechanism can realize between principal and subordinate's moving part.
2, the distance be arranged between two disks on basal disc can change, and when distance is between the two maximum, mechanism transmits maximum moment of torsion, and when distance is between the two minimum, mechanism is transmitting torque hardly.
3, between groove drum and basal disc, have the magnet pair of radial flux, this magnet, to the pulsation in order to smooth-going axial magnetic flux magnet, makes the torque ripple of permanent-magnet slip transmission mechanism less.
4, in mechanism design the mobile power resources of groove drum in the permanent magnetic action power of disk, when side positive acting moment of torsion is close at the end, axial permanent magnetic power now between groove drum and basal disc is mutual expelling force, this is tried hard to recommend dynamic groove drum and moves to opposite side, the axial permanent magnetic power of opposite side is attracting simultaneously, attract groove drum to move to opposite side, reach the object of fast moving groove drum.
5, the radial flux magnet had between groove drum 13 and basal disc 6 is to position arrangement having following feature: the magnet arrangement of groove drum 13 with basal disc 6 magnet just to inclined outside, need reliably to control the direction of groove drum movement when sliding and increase the magnetic force of groove drum movement at groove drum like this.
6, between groove drum and basal disc, transmitting torque mainly relies on permanent magnetic transmission, and groove 13 and pin 5 mainly bear groove drum rule control in axial sliding, and therefore the size of groove and pin is also little.
What the present invention relates to is a kind of permanent-magnet slip transmission mechanism, concrete structure by one, two disks are installed and offer the groove drum of groove, one connect the basal disc of two disks, the magnet of two pairs of radial flux, a joystick and two each and every one levers by spring and form, can when slippage transmission reliable smooth transfer moment of torsion, be applicable to the fields such as vehicle, wind-powered electricity generation electricity generation system, aircraft, lathe, universal machine, industrial and mineral machinery, engineering machinery.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described.
Accompanying drawing 1 ~ accompanying drawing 8 is a kind of permanent-magnet slip transmission mechanism embodiments, and reality of the present invention uses and is not limited to embodiment.
Embodiment
With reference to accompanying drawing 1 ~ accompanying drawing 8, a kind of permanent-magnet slip transmission mechanism architectural feature is (as accompanying drawing 1 ~ accompanying drawing 2): accompanying drawing 1 is the state transmitting peak torque, accompanying drawing 2 is not transmitting torque or the negligible state of transmitting torque, 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, 4th disk 14, first disk 2, 10 Nd-Fe-B permanent magnets all installed by second disk 9 and the 3rd disk 10, quantity can adjust according to actual size, Nd-Fe-B permanent magnet is of a size of 20mm × 20mm × 5mm, first magnet 3, second magnet 8, 3rd magnet 20 and the 4th 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 relative to the corner of basal disc 6 and axial distance relation as shown in Figure 4, figure 5 shows the three-dimensional shape of groove 5, accompanying drawing 6 and accompanying drawing 7 illustrate the first magnet 3, second magnet 8, 3rd magnet 20 and the 4th magnet 21 in action before and after position, arrow is the direction of rotation of basal disc 6 relative to groove drum 13, namely the rotating speed of the rotating ratio groove drum 13 of basal disc 6 is high, in application process also can the rotating speed of rotating ratio basal disc 6 of groove drum 13 high, accompanying drawing 8 illustrates the arrangement form of magnet 19 in the 3rd disk 10.
Claims (3)
1. a permanent-magnet slip transmission mechanism, there is the mechanism of slippage transmission agency, it is characterized in that structure is by the coaxial connection basal disc (6) of axle (1), described basal disc (6) connection spring (22), described spring (22) connection first disk (2) and second disk (9), described first disk (2) and second disk (9) are arranged on described axle (1) by spline or flat key, described basal disc (6) is offered porose (18), described hole (18) is provided 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), groove (5) is formed between described two and half groove drums (12), described basal disc (6) periphery is equipped with pin (11), described pin (11) inserts in described groove (5), 4th disk (14), 3rd disk (10), described first disk (2) is identical with the magnet shape on described second disk (9), magnet (19) installed by described 3rd disk (10), described groove drum (13) connecting axle (15).
2. a kind of permanent-magnet slip transmission mechanism according to claim 1, it is characterized in that: described groove drum (13) is coaxial to be made of one with described half groove drum (12), and described groove (5) is directly opened on described groove drum (13).
3. a kind of permanent-magnet slip transmission mechanism according to claim 1, it is characterized in that: described first disk (2) cylindrical is provided with the first magnet (3), described second disk (9) cylindrical is provided with the second magnet (8), described half groove drum endoporus (12) is provided with the 3rd magnet (20) and the 4th magnet (21).
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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| Publication Number | Publication Date |
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| CN103236775A CN103236775A (en) | 2013-08-07 |
| CN103236775B true 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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| CN104617744A (en) * | 2015-01-17 | 2015-05-13 | 李启飞 | LH/I type single-cylinder fluid speed governing disk magnetic coupler |
| CN104578691A (en) * | 2015-01-17 | 2015-04-29 | 李启飞 | LG multi-cylinder fluid speed regulation disk type magnetic coupling |
| CN105990993A (en) * | 2015-02-10 | 2016-10-05 | 李启飞 | 513 type ball screw electric speed adjusting disk type magnetic coupler |
| CN104852551B (en) * | 2015-05-25 | 2017-06-20 | 南京工程学院 | A kind of permanent magnetism differential gear |
| CN105281539A (en) * | 2015-07-24 | 2016-01-27 | 南京艾凌节能技术有限公司 | Permanent magnet speed regulator |
| CN106712451B (en) * | 2017-01-22 | 2023-04-07 | 金陵科技学院 | Drive connecting device between moving magnetic disk and magnetic disk frame of permanent magnetic torque converter |
| CN106602842B (en) * | 2017-02-09 | 2023-04-07 | 金陵科技学院 | Dynamic magnetic cylinder and outer cylinder combined mechanism for permanent magnet torque converter |
| CN106849610B (en) * | 2017-03-10 | 2023-04-07 | 金陵科技学院 | Double-output magnetic disk structure of permanent magnet torque converter |
| 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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Patent Citations (7)
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| KR20020016710A (en) * | 2000-08-26 | 2002-03-06 | 이상욱 | Power trasmission shaft connecting device using permanent magnets |
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| CN103236775A (en) | 2013-08-07 |
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