CN100540094C - The controllable magnetic damping device of training airplane - Google Patents
The controllable magnetic damping device of training airplane Download PDFInfo
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- CN100540094C CN100540094C CNB2006100258362A CN200610025836A CN100540094C CN 100540094 C CN100540094 C CN 100540094C CN B2006100258362 A CNB2006100258362 A CN B2006100258362A CN 200610025836 A CN200610025836 A CN 200610025836A CN 100540094 C CN100540094 C CN 100540094C
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Abstract
The present invention discloses a kind of controllable magnetic damping device of training airplane, comprising: a resistance wheel, described resistance wheel are hubbed on the fixed axis of training airplane; One magnetic force assembly comprises: a magnetic material shelf, be arranged on the resistance wheel next door, and be formed with the gap between described magnetic material shelf and the resistance wheel; Some magnetic adsorption pieces are arranged on the described magnetic material shelf; It is characterized in that: described controllable magnetic damping device more comprises a radome, is provided with the barricade that can pass gap between magnetic force assembly and the resistance wheel; At least one is available for users to adjust and the location among radome and the magnetic material shelf, and the magnetic adsorption piece and the magnetic line of force between the resistance wheel that can change the magnetic force assembly pass through area, and then adjust the size of the suffered resistance of resistance wheel.It is few, simple for structure that the controllable magnetic damping device of training airplane of the present invention has parts, long service life, regulate evenly, steadily, convenient, can regulate linearly, control resistance by zero to maximum characteristics.
Description
Technical field
The invention belongs to the body-building apparatus technical field, particularly relate to a kind of controllable magnetic damping technology of resistance wheel of training airplane.
Background technology
The magnetic damping technology of conventional exercises machine substantially all adopt regulate magnetic adsorption piece (magnet) thus change the mode of the suffered resistance of resistance wheel with the resistance tyre tread, be 5711404,6719107,6345703,6273845 etc. United States Patent (USP) as the patent No.; As everyone knows, the conductor suffered resistance that moves in magnetic field is relevant with magnetic field intensity, and square being inversely proportional to of the distance between magnetic field intensity and conductor and the magnet.So square being inversely proportional to of magnetic induction intensity and distance, so as can be known according to Ampere force formula F=BIL, square being inversely proportional to of distance between the electromagnetic resistance that produces of conductor and conductor and the magnet under equal conditions.Above-mentioned these United States Patent (USP)s are regulates that distance changes the resistance that resistance wheel is subjected between magnetic adsorption piece and the resistance wheel, and they follow inverse square law, and the distance between the resistance that is subjected to of resistance wheel and it and the magnetic adsorption piece square is inversely proportional in other words.So so long as regulate the technology of distance between magnetic adsorption piece and the resistance wheel, functional relation between the resistance that distance that the magnetic adsorption piece moves and resistance wheel are subjected to is an inverse square curve, referring to shown in Figure 22, so above United States Patent (USP) all is between the resistance F that is subjected to of resistance wheel and it and the magnetic adsorption piece to be the inverse square curve apart from functional relation between the S, so that the user is when carrying out body-building, control, the variation of regulating the suffered resistance of body-building apparatus is not even, steadily, linear, the bad sensation that having skyrockets falls has suddenly had a strong impact on the comfort level that body-building apparatus uses; In addition because the inboard or the outside of resistance wheel are circular shape, group of magnets on the corresponding support also is circular shape, regulate the distance realization even variation between the inboard group of magnets with circular shape of the resistance wheel of circular shape, just need be than labyrinth, more parts are 5711404,6719107,6345703 etc. United States Patent (USP) as the patent No.; So this class magnetic damping device is fragile, multiple faults, service life is short, as wearing and tearing after the long-time use of the cable wire of extension spring sheet; Can lose part elasticity after the long-time use of spring, so the component life of conventional exercises machine magnetoresistive technologies is shorter; Also, not only easy to wear because this technology adopts complicated power drive disk assembly such as gear, cam, torsion spring more, and precision is affected; Even yet than labyrinth, existing magnetic damping technology can not make the suffered resistance of change resistance wheel be linear change, momental quantitative control, adjusting are made troubles for use (or design) person of training airplane; Because the inboard and the distance between the group of magnets of resistance wheel are limited, this technology can not make the magnetic field complete obiteration that acts on resistance wheel again, so the excursion of its resistance is little, and can not approach zero.
Summary of the invention
Because the above-mentioned defective that prior art exists, it is few that technical problem to be solved by this invention provides a kind of parts, simple for structure, and long service life is easy to adjust, can regulate, control the controllable magnetic damping device of the training airplane of resistance linearly.
The present invention the technical problem that will further solve provide and a kind ofly can regulate, control resistance linearly by zero controllable magnetic damping device to maximum training airplane.
The present invention another technical problem that will further solve provide a kind of when regulating the control resistance linearly the suffered resistance of resistance wheel be all the time evenly, the controllable magnetic damping device of training airplane stably.
In order to solve the problems of the technologies described above, the controllable magnetic damping device of a kind of training airplane provided by the present invention comprises:
One resistance wheel, described resistance wheel are hubbed on the fixed axis of training airplane;
One magnetic force assembly comprises:
One magnetic material shelf is arranged on the resistance wheel next door;
Some magnetic adsorption pieces are arranged on the described magnetic material shelf;
Be formed with the gap between described magnetic adsorption piece and the resistance wheel;
It is characterized in that:
Described controllable magnetic damping device more comprises a radome, is provided with the barricade that can pass gap between magnetic adsorption piece and the resistance wheel; At least one is available for users to adjust and the location among radome and the magnetic force assembly, and the magnetic adsorption piece and the magnetic line of force between the resistance wheel that can change the magnetic force assembly pass through area, and then adjust the size of the suffered resistance of resistance wheel.
Preferably, described magnetic material shelf is fan-shaped, described radome is the fan-shaped cover corresponding with described magnetic material shelf, and described radome and described magnetic force assembly change mutual position with the mode of swaying, and passes through area with the magnetic adsorption piece that can change the magnetic force assembly and the magnetic line of force between the resistance wheel.
Preferably, a side of described resistance wheel is arranged with a room, and the inner peripheral layer of room is a metallic conductor; Described radome and described magnetic force assembly are placed in the room of resistance wheel.
Preferably, the fan-shaped circular-arc outer rim of described magnetic material shelf radially is installed with the arc magnetic conductive disk, the arc magnetic conductive disk is provided with the magnetic adsorption piece that permanent magnet is formed, and the fan-shaped circular-arc outer rim of described radome is provided with the arc barricade that can pass gap between magnetic adsorption piece and the room inner peripheral edge surfaces.
Preferably, resistance wheel one side (inboard) of axially leaning on of the fan-shaped circular-arc outer rim of described magnetic material shelf is installed with fan-shaped magnetic conductive disk, and fan-shaped magnetic conductive disk is provided with the magnetic adsorption piece; Radome is provided with the fan-shaped barricade in gap between the magnetic adsorption piece that can pass described magnetic force assembly accordingly and the resistance wheel axial sides.
Preferably, the fan-shaped circular-arc magnetic material shelf outer rim of a described magnetic force assembly end radially radially is installed with the arc magnetic conductive iron sheet, set firmly the magnetic adsorption piece on the described radial strut magnetic conductive iron sheet, and take turns a side (inboard) at the axial resistance of the fan-shaped circular-arc magnetic material shelf of the magnetic force assembly axisymmetric other end radially and be installed with fan-shaped magnetic conductive iron sheet, on described fan-shaped magnetic conductive iron sheet, set firmly the magnetic adsorption piece; A described radome end radially is provided with and can tangentially passes the inwardly arc barricade in gap between the Zhou Yuan of the magnetic adsorption piece that sets firmly on the described radial strut magnetic conductive iron sheet and resistance wheel footpath; Being axially arranged with of the radome axisymmetric other end radially can be passed in the fan-shaped barricade in gap between the magnetic adsorption piece that sets firmly on the described fan-shaped magnetic conductive iron sheet and the resistance wheel axial sides.
Preferably, the outer peripheral edges layer of described resistance wheel is a metallic conductor; The magnetic adsorption piece of magnetic force assembly is positioned at outside the outer peripheral edges (radially) of resistance wheel, be formed with the gap between the outer peripheral edges layer of magnetic adsorption piece and resistance wheel, radome be provided with can (rotating) displacement between resistance wheel and magnetic adsorption piece around fixed axis the arc barricade.
Preferably, described magnetic material shelf is fixedly arranged on fixed axis, and described radome can rotate around the axis.
Preferably, described magnetic material shelf comprises two centrosymmetric segments, and the circular-arc outer rim of each segment sets firmly an arc magnetic conductive iron sheet respectively, respectively is installed with the magnetic adsorption piece of being made up of circular-arc permanent magnet on each arc magnetic conductive iron sheet.
Described radome comprises two the centrosymmetric fan-shaped covers corresponding with described magnetic material shelf.Because even the center symmetry of acting body shape when regulating the shielding surface that changes the magnetic adsorption piece, also can make the suffered resistance of resistance wheel evenly, steadily.
Preferably, described radome comprises that the interior sheet of at least one fan-shaped composition is in magnetic material shelf inboard, and the outer plate of at least one fan-shaped composition is in the magnetic material shelf outside, and described inside and outside circular-arc outer rim place connects the arc barricade.
Preferably, described radome comprises that the outer plate of at least one fan-shaped composition is in the magnetic material shelf outside, and the circular-arc outer rim place of described outer plate connects the arc barricade.
Preferably, total radian of total radian of described fan-shaped magnetic material frame and fan-shaped radome equates.
Preferably, total radian of total radian of described fan-shaped magnetic material frame and fan-shaped radome all is 180 degree.
Preferably, total radian of described fan-shaped magnetic material frame is greater than total radian of radome.
Preferably, total radian of described fan-shaped magnetic material frame is 210 degree, and total radian of fan-shaped radome is 180 degree.
Preferably, total radian of described fan-shaped magnetic material frame is 210 degree, and total radian of fan-shaped radome is 150 degree.
Preferably, total radian of described fan-shaped magnetic material frame is less than total radian of fan-shaped radome.
Preferably, described magnetic force assembly is fixedly arranged on the fixed axis coaxial with resistance wheel, and be placed in the room of resistance wheel, the support chip of radome is located at the axial outside (non-resistance wheel one side) of magnetic force assembly, radome is provided with the arc barricade in gap between the magnetic adsorption piece that can pass the magnetic force assembly and the resistance wheel, moves axially that radome (promptly moving axially the arc barricade) can change the magnetic adsorption piece of magnetic force assembly and the magnetic line of force between the resistance wheel passes through area; Described magnetic force assembly is disc (non-fan-shaped), and radome is and the corresponding disc of magnetic force assembly (non-fan-shaped), and promptly the arc barricade of radome can make things convenient for gap between the magnetic adsorption piece that axially inserts or shift out the magnetic force assembly and the resistance wheel.
Preferably, the outer peripheral edges layer of described resistance wheel is a metallic conductor; The magnetic adsorption piece of magnetic force assembly is located at outside the outer peripheral edges (radially) of resistance wheel, be formed with the gap between the outer peripheral edges layer of magnetic adsorption piece and resistance wheel, radome be provided with can be between resistance wheel and magnetic adsorption piece axially movable arc barricade, promptly radome can move axially by relatively-stationary magnetic force assembly.
Preferably, the permanent magnet of described magnetic adsorption piece can be bonded on the magnetic conductive iron sheet (dish) of described magnetic material shelf with strong adhesive, and lightweight materials such as described magnetic material shelf employing plastics are made; The arc magnetic conductive iron sheet (dish) of fan-shaped outer rim of described magnetic material shelf is made by the pure iron of high magnetic permeability.
Preferably, the magnetic conductivity of the barricade of described radome is greater than 900gauss/oersted.
Preferably, the material that the barricade of described radome adopted is the material of NiFe alloy or ultra-low-carbon steel high magnetic permeabilities such as (pure iron), and the value of magnetic conductivity is between 5000---350000gauss/oersted.
Preferably, the barricade of described radome is by nickeliferous 80%; Molybdenum 4.15%---5.15%; The material of iron 14.85%---15.85% is made.
Preferably, the barricade of described radome is made by the material of multilayer high magnetic permeability is compound.
Preferably, the structure of the barricade of described radome is: the innermost layer of nearly magnetic material shelf is that thickness is the dilval of nickeliferous 48%---50% of the 83%---93% of thickness of slab; The intermediate layer is that thickness is magnesium diboride (MgB2) film of the 2.3%---2.7% of thickness of slab; Outermost layer is that thickness is the dilval of nickeliferous 72%---83% of the 4.6%---14% of thickness of slab.The multilayer screen technology is armoured magnetic field to greatest extent, makes magnetic field intensity reduce to zero or be in close proximity to zero.
Preferably, described radome is connected with a driving mechanism, is used to drive the radome rotation.
Preferably, described driving mechanism is the electric driving mechanism of being made up of motor, gear, gear band; Motor driving gear band and gear can pivot radome or magnetic material shelf.
Utilize the controllable magnetic damping device of training airplane provided by the invention, thereby at first owing to give up the regulating magnet of conventional exercises machine and the magnetic damping technical approach that the distance between the resistance wheel changes the suffered resistance of resistance wheel, adopt shielding action in the magnet of resistance wheel, thereby the area that promptly changes the magnetic field that acts on resistance wheel changes the magnetic damping technical approach of the suffered resistance of resistance wheel, make simple structure just can reach the better result who realizes controlling the resistance linear change, make controllable magnetic damping device easy to adjust, long service life, can accomplish to make the suffered resistance of resistance wheel by zero Linear Control (adjusting) to maximum in the product design of training airplane, the user who satisfies training airplane preferably is to the momental accurately quantitatively requirement of control.
Distance is constant all the time between magnetic adsorption piece of the present invention and the resistance wheel, so the present invention is not the inverse square curve apart from functional relation between the S between the resistance F that is subjected to of resistance wheel and it and magnetic adsorption piece, the present invention has just changed the magnetic flux of magnetic adsorption piece arrival resistance wheel, and then the present invention who pushes away is that resistance F and the magnetic adsorption piece that resistance wheel is subjected to arrives the linear function curve that concerns between the magnetic flux phi of resistance wheel.Because the distance between resistance wheel of the present invention and magnetic adsorption piece is constant, according to formula Φ=BS and Ampere force formula F=BIL as can be known, the Ampere force that vortex flow is subjected in magnetic field is directly proportional with magnetic flux, so the size of the electromagnetic resistance that resistance wheel of the present invention produced is directly proportional with magnetic flux.Referring to shown in Figure 23, can make the linear functional relation between the magnetic flux phi that resistance F that resistance wheel is subjected to and magnetic adsorption piece arrive resistance wheel; The present invention moves to open shielding part gradually, by changing the shielding surface (area of establishing not conductively-closed is S ') that the arc barricade covers the magnetic adsorption piece, thereby changed the magnetic flux phi of magnetic adsorption piece arrival resistance wheel, and shielding surface is with the linear direct ratio of the rotational angle of radome, and the driving mechanism linearity, regulate, control the rotation of radome reposefully, no matter be electric driving mechanism, or manual drives mechanism all is easy to realize;
By above argumentation, the present invention is the above-mentioned United States Patent (USP) of 5711404 grades compared to the patent No., and the better linearity control characteristic is arranged.When the body builder carries out body-building, controllable magnetic damping device of the present invention can not make the suffered resistance of body builder that the sensation that skyrockets and fall is suddenly arranged, it is even, steady, linear corresponding to each time period change in resistance of the present invention, so the present invention can make the use of body-building device that higher comfort level is arranged compared to prior art.
Description of drawings
Fig. 1. be the schematic diagram of the training airplane of the embodiment of the invention;
Fig. 2. be the concrete enforcement and the function mode schematic perspective view of an embodiment of the present invention;
Fig. 3. be resistance wheel, magnetic material shelf, the structure of radome and the expansion schematic perspective view of correlation of an embodiment of the present invention;
Fig. 4. be the suffered resistance of the resistance wheel of an embodiment of the present invention hour radome and magnetic material shelf position correlation schematic perspective view;
Fig. 5. radome and magnetic material shelf position correlation schematic perspective view during for the suffered change in resistance of resistance wheel of an embodiment of the present invention;
Fig. 6. be the suffered resistance of the resistance wheel of an embodiment of the present invention radome and magnetic material shelf position correlation schematic perspective view when maximum;
Fig. 7. be the sectional structure chart of the controllable magnetic damping device of an embodiment of the present invention;
Fig. 8. be the suffered resistance of the resistance wheel of another embodiment of the present invention front view of hour radome and magnetic material shelf position correlation;
Fig. 9. for Fig. 8 embodiment of the present invention along A-A to sectional structure chart;
Figure 10. be concrete enforcement and the function mode schematic perspective view of the another kind of embodiment of the present invention;
Figure 11. be resistance wheel, magnetic material shelf, the structure of radome and the expansion schematic perspective view of correlation of the another kind of embodiment of the present invention;
Figure 12. be the suffered resistance of resistance wheel of the another kind of embodiment of the present invention hour radome and magnetic material shelf position correlation schematic perspective view;
Figure 13. radome and magnetic material shelf position correlation schematic perspective view during for the suffered change in resistance of resistance wheel of the another kind of embodiment of the present invention;
Figure 14. be the suffered resistance of resistance wheel of the another kind of embodiment of the present invention radome and magnetic material shelf position correlation schematic perspective view when maximum;
Figure 15. be the sectional structure chart of the controllable magnetic damping device of the another kind of embodiment of the present invention;
Figure 16. be the schematic perspective view of the magnetic material shelf of another embodiment of the present invention;
Figure 17. be the structural representation of a kind of radome arc barricade of the embodiment of the invention;
Figure 18. be the cross-sectional view of the controllable magnetic damping device of the 4th kind of embodiment of the present invention;
Figure 19. be the cross-sectional view of the controllable magnetic damping device of the 5th kind of embodiment of the present invention;
Figure 20. be the cross-sectional view of the controllable magnetic damping device of the 6th kind of embodiment of the present invention;
Figure 21. be the cross-sectional view of the controllable magnetic damping device of the 7th kind of embodiment of the present invention;
Figure 22. distance that moves for magnetic adsorption piece of the prior art and the function relation curve figure between the suffered resistance of resistance wheel;
Figure 23. be the magnetic flux (the not area S ' of conductively-closed) of magnetic adsorption piece of the present invention and the function relation curve figure between the suffered resistance of resistance wheel.
The specific embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
The controllable magnetic damping device of a kind of training airplane that the embodiment of the invention provided, as Fig. 1, Fig. 3, shown in Figure 7, training airplane is provided with a resistance wheel 1, and described resistance wheel 1 is arranged on the fixed axis 2 by bearing 101 and C type folder 102 and can rotates around fixed axis 2.Fixed axis 2 is installed on the vehicle frame of training airplane.One side of resistance wheel 1 is arranged with a room, and its inner peripheral edge surfaces covers a metallic conductor lamella 103.Ccontaining in the described room:
One radome 3 is as Fig. 3 and shown in Figure 7.Described radome 3 is fan-shaped cover, is made up of the arc barricade 31 of inside and outside each fanning strip and the circular-arc outer rim that is connected described inside and outside fanning strip, and its fan-shaped radian is 180 degree.The fan-shaped central point of radome 3 is provided with pivoted hole, articulates with fixed axis 2, and radome 3 can be rotated around fixed axis 2.Radome 3 is coaxial with resistance wheel 1, and the arc barricade 31 of radome 3 is placed in the room of resistance wheel 1.Between the metallic conductor lamella 103 of described arc barricade 31 and room inwall certain clearance is arranged, described radome 3 can be rotated around fixed axis 2 in the room of resistance wheel 1.Screw 32 is fixed on gear 33 on the radome 3, and transmitting gear 33 just can drive described radome 3, is provided with bearing 34 in gear 33 mesopores, and C type folder 35 and C type press from both sides 36 makes the radome 3 can not axially-movable.
One magnetic force assembly 4, as Fig. 3, shown in Figure 7, the magnetic material shelf 41 of magnetic force assembly 4 is fan-shaped corresponding with radome 3.The fan-shaped circular-arc outer rim of magnetic material shelf 41 radially set firmly an arc magnetic conductive iron sheet 42, be installed with the magnetic adsorption piece of forming by circular-arc permanent magnet 43 on the described arc magnetic conductive iron sheet 42.The fan-shaped central point of magnetic material shelf 4 is provided with axis hole, wears for fixed axis 2.Described magnetic material shelf 41 is fixed on by positioning key 44 can not be around fixed axis 2 rotations on the fixed axis 2.Magnetic material shelf 41 is coaxial with radome 3 and resistance wheel 1; Rotating radome 3 can make magnetic material shelf 41 be placed in the radome 3.The circular-arc permanent magnet of magnetic adsorption piece 43 can be bonded on the arc magnetic conductive iron sheet of fan-shaped circular-arc outer rim of described magnetic material shelf 41 with strong adhesive.Magnetic material shelf 41 is to adopt lightweight material such as plastics to make.The arc magnetic conductive iron sheet is made of the pure iron of high magnetic permeability.
Because the interior circle of resistance wheel 1 is coaxial with fan-shaped described magnetic material shelf 41 and described radome 3, the outer rim of the described magnetic adsorption piece of being made up of circular-arc permanent magnet 43 equates with the radial distance of the metallic conductor lamella 103 of described resistance wheel 1 room madial wall.The arc barricade 31 of radome 3 can pass through from the gap between the metallic conductor lamella 103 of the outer rim of magnetic adsorption piece 43 and resistance wheel 1 room madial wall.Because the radian of radome 3 and magnetic material shelf 41 is 180 degree, so rotate described radome 3 from 0 degree to 180 degree, can make arc barricade 31 cover, shield the magnetic adsorption piece 43 of described magnetic material shelf 41 fully, the magnetic flux that makes 1 induction of described resistance wheel is zero when spending (180), can make arc barricade 31 and described magnetic adsorption piece 43 separate when spending (0) fully again.
The material that arc barricade 31 adopted of radome 3 is the material of NiFe alloy or ultra-low-carbon steel high magnetic permeabilities such as (pure iron), the value of magnetic conductivity that promptly adopts the high magnetic permeability material is greater than 900gauss/oersted, generally between 5000---350000gauss/oersted; Therefore after the arc barricade 31 of radome 3 covers described magnetic adsorption piece 43, the magnetic field that the complete shielding magnetic adsorption piece 43 of energy is produced, promptly any magnetic line of force on the magnetic adsorption piece 43 all can not pass the arc barricade 31 of described radome 3; As shown in Figures 1 and 2, motor 5 is provided with gear 6, and gear band 7 couples together gear 6 and gear 33.
The function mode of the embodiment of the invention: referring to Fig. 2, shown in Figure 7, motor 5 is sent to radome 3 to power by gear 6, gear band 7, gear 33 can rotate it around fixed axis 2.Referring to shown in Figure 4, when radome 3 rotated to the position that overlaps fully with described magnetic material shelf 4, magnetic adsorption piece 43 formed magnetic fields were shielded fully by arc barricade 31, the resistance minimum that resistance wheel 1 is suffered.Referring to shown in Figure 5, when radome 3 rotates to the position that partially overlaps with described magnetic material shelf 41, magnetic adsorption piece 41 formed magnetic field parts are by arc barricade 31 shielding, and the resistance that resistance wheel 1 is suffered and the area of magnetic adsorption piece 43 conductively-closeds are inversely proportional to.Referring to shown in Figure 6, when radome 3 rotated to described magnetic material shelf 41 distinct positions, magnetic adsorption piece 43 formed magnetic fields discharged fully, the resistance maximum that resistance wheel 1 is suffered.
Referring to Fig. 8, Fig. 9, shown in Figure 16, the controllable magnetic damping device of another training airplane that the embodiment of the invention provided.Its resistance wheel 1 ' and fixed axis 2 ' are with the embodiment of above-mentioned Fig. 3, Fig. 7, its radome 8 is fan-shaped cover, be made up of a fanning strip in the room outside and the arc barricade 81 of the circular-arc outer rim that is connected described fanning strip, described fanning strip is configured to by several, and its fan-shaped radian is 180 degree.The fan-shaped central point of described radome 8 is provided with pivoted hole, articulates and can make radome 8 around fixed axis 2 rotations with fixed axis 2.The contour structures of the arc barricade 81 of described radome 8 and the driving mechanism of radome 8 are with the embodiment of above-mentioned Fig. 3, Fig. 7.Its magnetic material shelf 9 is fan-shaped of radian 210 degree, other contour structures of described magnetic material shelf 9, the magnetic adsorption piece of forming as the arc magnetic conductive iron sheet 91 on the fan-shaped circular-arc outer rim, by circular-arc permanent magnet 92, fan-shaped stationary positioned key are with the embodiment of above-mentioned Fig. 3, Fig. 7.Because the fan-shaped radian of described magnetic material shelf 9 is greater than the fan-shaped radian of described radome 8, the magnetic adsorption piece of being made up of circular-arc permanent magnet can not be covered fully by the arc barricade 81 of described radome 8, magnetic flux can not shield fully, so the resistance of resistance wheel can not be adjusted to zero.
The controllable magnetic damping device of the another kind of training airplane that the embodiment of the invention provided, as Figure 10, Figure 11, shown in Figure 15, training airplane is provided with a resistance wheel 1 ", described resistance wheel 1 " by bearing 101 " and C type folder 102 " be arranged on fixed axis 2 " go up and can be around fixed axis 2 " rotation; Described fixed axis 2 " be installed on the vehicle frame of training airplane; Described resistance wheel 1 " side be arranged with a room, its inner peripheral edge surfaces covers a metallic conductor lamella 103 ".Ccontaining in the described room:
One magnetic force assembly 11, as Figure 11, shown in Figure 15, the magnetic material shelf 111 of described magnetic force assembly 11 is centrosymmetric two fan-shaped, its each fan-shaped radian is 90 degree; The fan-shaped circular-arc outer rim of each of described magnetic material shelf 111 radially sets firmly an arc magnetic conductive iron sheet 112 respectively, be installed with the two magnetic adsorption pieces of forming by arc-shaped magnets 113 on the described two arc magnetic conductive iron sheets 112, two fan-shaped central points of described magnetic material shelf 111 are provided with axis hole, for fixed axis 2 " wear.Described magnetic material shelf 111 is fixed on fixed axis 2 by positioning key 114 " on can not be around fixed axis 2 " rotation; Described magnetic material shelf 111 is placed in resistance wheel 1 " room in; The outer rim of magnetic material shelf 111 and resistance wheel 1 " be formed with the gap between the inner peripheral edge surfaces of room;
One radome 12, as Figure 11 and shown in Figure 15, described radome 12 is centrosymmetric two the fan-shaped covers corresponding with described magnetic material shelf 111, form with two arc barricades 121 of centrosymmetric two fan-shaped outer plates of forming and the two circular-arc outer rims that are connected described outer plate by a slice, two fan-shaped common center point of described radome 12 outer plates are provided with pivoted hole, with fixed axis 2 " articulate and can be around fixed axis 2 " rotation.The outer plate of described radome 12 places the outside of described room, promptly places the outside of described magnetic material shelf 111, and two arc barricades 121 of described radome 12 are placed in the gap that also can pass in the described room between magnetic material shelf 111 and the room inner peripheral edge surfaces.Screw 122 is fixed on gear 123 on the radome 12, and transmitting gear 123 just can drive described radome 12, is provided with bearing 124 in gear 123 mesopores, and C type folder 125 and C type press from both sides 126 makes the radome 12 can not axially-movable.
Since described radome 12 and described magnetic material shelf 111 be total radian be 180 degree centrosymmetric two fan-shaped, so rotate described radome 12 from 0 degree to 90 degree, can make arc barricade 121 cover, shield the magnetic adsorption piece 113 of described magnetic material shelf 111 fully, arc barricade 121 and described magnetic adsorption piece 113 are separated fully, thereby realize resistance wheel 1 " suffered resistance from zero to peaked adjusting.Because acting body--the center symmetry of-magnetic material shelf 111 shapes, even when regulating the shielding surface that changes magnetic adsorption piece 113, also can make resistance wheel 1 " suffered resistance is evenly, steadily.
The structure of the arc barricade 121 of described radome 12 is that thickness is the dilval 131 of the nickeliferous 48%---50% of 2mm---3mm near the innermost layer of magnetic material shelf 111 as shown in figure 17; The intermediate layer is that thickness is magnesium diboride (MgB2) film 132 of 0.05mm---0.1mm; Outermost layer is that thickness is the dilval 133 of the nickeliferous 72%---83% of 0.1mm---0.5mm; The multilayer screen technology is armoured magnetic field to greatest extent, makes magnetic field intensity reduce to zero or be in close proximity to zero.Therefore after two arc barricades 121 of described radome 12 cover described two magnetic adsorption pieces 113, can shield the magnetic field that two magnetic adsorption pieces 113 are produced fully, promptly any magnetic line of force on the two magnetic adsorption pieces 113 all can not pass two arc barricades 121 of described radome 12; As shown in figure 10, motor 5 " be provided with gear 6 ", gear band 7 " gear 6 " couple together with gear 123.
Referring to Figure 10, Figure 11, shown in Figure 15, motor 5 " by gear 6 ", gear band 7 ", gear 123 is sent to radome 12 to power makes it can be around fixed axis 2 " rotation, referring to shown in Figure 12, when radome 12 rotates to the position that overlaps fully with described magnetic material shelf 111, two magnetic adsorption pieces, 113 formed magnetic fields are shielded resistance wheel 1 fully by arc barricade 121 " suffered resistance minimum; Referring to shown in Figure 13, when radome 12 rotates to the position that partially overlaps with described magnetic material shelf 111, magnetic adsorption piece 113 formed magnetic field parts are by arc barricade 121 shielding, resistance wheel 1 " suffered resistance and the area of magnetic adsorption piece 113 conductively-closeds be inversely proportional to; Referring to shown in Figure 14, when radome 12 rotated to described magnetic material shelf 111 distinct positions, magnetic adsorption piece 113 formed magnetic fields discharged resistance wheel 1 fully " suffered resistance maximum.
In an embodiment of the present invention, described radome and magnetic material shelf correspondingly also can be respectively centrosymmetric three or four fan-shaped covers formations, the described radome of the many more rotations of fan-shaped number is just more little to the rotational angle that shields the magnetic material shelf fully from zero; So can determine fan-shaped number according to the control characteristics of driving mechanism.
In an embodiment of the present invention, the user can governor motor rotates the number of turns, the number of turns that motor is rotated is corresponding with the radian that radome is turned over, the radian that the radome revolution is certain excessively, the suffered resistance of resistance wheel just changes accordingly, so the body builder can regulate the suffered resistance of resistance wheel by the rotation number of turns of governor motor.
In an embodiment of the present invention, radome can rotate in a clockwise direction, also can counter rotation, and radome is linear to the variation of resistance wheel 1 formed resistance when rotated; If the magnetic field of magnetic adsorption piece is very strong, for the thickness of the arc barricade of the generation radome that prevents the magnetic saturation phenomenon will increase, or adopts the double layer screen method, or adopt high-permeability material to make the arc barricade.
In an embodiment of the present invention, the fan-shaped support chip of radome can be formed (as the embodiment of Fig. 3, Fig. 7) by two that are located at magnetic material shelf inboard, the outside, also can form (as the embodiment of Figure 10, Figure 11, Figure 15) by a slice that is located at the magnetic material shelf outside (or inboard); Can be the support chip (as the embodiment of Fig. 3, Fig. 7) of whole piece, also can constitute (as the embodiment of Figure 10, Figure 11, Figure 15) by several stent support arc barricades.
In an embodiment of the present invention, the drives structure of controllable magnetic damping device also can be used hand gear, on radome or magnetic material shelf handle, rotating disk is installed, and regulates the suffered resistance of resistance wheel according to the angle of rotating.
In an embodiment of the present invention, can cover a metallic conductor lamella in the room inner peripheral edge surfaces that resistance wheel one side is arranged with, as aluminium, copper etc., can whole resistance wheel be metallic conductor also.
In an embodiment of the present invention, fan-shaped total radian of described radome can be 180 degree, also can be greater than or less than 180 degree; Fan-shaped total radian of described magnetic material shelf can be 180 degree, also can be greater than or less than 180 degree; Wherein have only fan-shaped total radian of described radome and magnetic material shelf to be 180 when spending (as the embodiment of Fig. 3, Fig. 7, Figure 11, Figure 15), the resistance minimum of resistance wheel can be adjusted to zero, and the radian that the magnetic adsorption piece that maximum can be adjusted to described magnetic material shelf acts on resistance wheel is 180 degree; When fan-shaped total radian of described magnetic material shelf is spent greater than 180, when fan-shaped total radian of described radome is spent less than 180, the radian maximum that the magnetic adsorption piece of described magnetic material shelf acts on resistance wheel can be adjusted to greater than 180 degree, but minimum can not be adjusted to zero, fan-shaped total radian of for example described magnetic material shelf is 210 degree, fan-shaped total radian of described radome is 150 when spending, and the radian maximum that the magnetic adsorption piece of described magnetic material shelf acts on resistance wheel can be adjusted to greater than 210 degree; When the arc length degree of the arc barricade of described radome was spent greater than the arc length of (equaling) described magnetic adsorption piece, the resistance minimum of resistance wheel can be adjusted to zero.
In an embodiment of the present invention, the structure of described radome arc barricade also can have following several embodiment:
1) dilval of nickeliferous 48%---50%;
2) dilval of nickeliferous 72%---83%;
3) nickeliferous 80%, molybdenum 4.15%----5.15%, iron 14.85%----15.85%;
4) ultra-low-carbon steel has another name called pure iron.As shielding material, advantage is that cost is low to preferred phosphorus content less than 0.008% pure iron.
In an embodiment of the present invention, because motion is relative, so the embodiment of the invention can also have another kind of embodiment: radome is maintained static, drive mechanism magnetic material shelf, as radome is monolithic support, and its fan-shaped support chip places between magnetic material shelf and the resistance wheel, and driving mechanism is fixedly arranged on the magnetic material shelf, relative position by rotation magnetic material shelf change radome and magnetic material shelf also can reach the purpose that changes the resistance wheel resistance; So what show and describe here is the preferred implementation of the technical program; the present invention has non-exclusively showed the several of numerous embodiments; so the present invention is not confined to above-mentioned function mode, the scope that the patent right that Any shape of making on the basis of the 26S Proteasome Structure and Function of the technical program and structural conversion all belong to the present invention is protected.
At Fig. 3 of the present invention, Fig. 7, Figure 11, among the embodiment of Figure 15, by pivoting to change the relative position of radome and magnetic force assembly, in other embodiments of the invention, referring to shown in Figure 180, also can change the relative position of radome 14 and magnetic force assembly 15 by the axial displacement of radome 14, it is coaxial with resistance wheel 1a to be that magnetic force assembly 15 is fixedly arranged on the fixed axis, and be placed in the room of resistance wheel 1a, the support chip of radome 14 is located at the axial outside of magnetic force assembly 15, driving mechanism can make the arc barricade 141 of radome 14 axially insert or shift out gap between the magnetic adsorption piece 151 of (shown in arrow among Figure 18) magnetic force assembly 15 and the resistance wheel 1a, pass through area with the magnetic adsorption piece 151 and the magnetic line of force between the resistance wheel 1a that changes magnetic force assembly 15, and then adjust the size of the suffered resistance of resistance wheel 1a.In the embodiment of radome 14 energy axial displacements, owing to need not sway, the magnetic force assembly 15 that is installed on the fixed axis also can be disc (non-fan-shaped), and be placed in the resistance wheel 1a room, radome 14 is and magnetic force assembly 15 corresponding discs (non-fan-shaped), and promptly the arc barricade 141 of radome 14 can make things convenient for gap between the magnetic adsorption piece 151 that axially inserts or shift out (shown in arrow among Figure 18) magnetic force assembly 15 and the resistance wheel 1a.
In Fig. 3 of the present invention, Fig. 7, Figure 11, Figure 15 embodiment, the fan-shaped circular-arc magnetic material shelf outer rim of magnetic force assembly radially set firmly an arc magnetic conductive iron sheet, set firmly the magnetic adsorption piece on the described arc magnetic conductive iron sheet.In other embodiments of the invention,, also can be only set firmly a magnetic conductive iron sheet, only on described magnetic conductive iron sheet, set firmly magnetic adsorption piece 161 in axial resistance wheel 1b one side (inboard) of the fan-shaped circular-arc magnetic material shelf of magnetic force assembly 16 referring to shown in Figure 19.Driving mechanism is by pivoting to change the relative position of fan-shaped radome 17 and magnetic force assembly 16, the barricade 171 that can make radome 17 passes gap between the magnetic adsorption piece 161 of magnetic force assembly 16 and the resistance wheel 1b axial sides around axle (tangentially), pass through area with the magnetic adsorption piece 161 and the magnetic line of force between the resistance wheel 1b that changes the magnetic force assembly, and then adjust the size of the suffered resistance of resistance wheel 1b.
In Fig. 3 of the present invention, Fig. 7, Figure 11, Figure 15 embodiment, the room inner peripheral layer of resistance wheel is a metallic conductor, and magnetic material shelf and magnetic adsorption piece are located in the room, and radome rotates around fixed axis between resistance wheel and magnetic adsorption piece.In other embodiments of the invention, referring to shown in Figure 20, outer peripheral edges layer that also can handicapping wheels 18 is a metallic conductor; The magnetic adsorption piece 19 of magnetic force assembly is located at outside the outer peripheral edges (radially) of resistance wheel, be formed with the gap between the outer peripheral edges layer of magnetic adsorption piece 19 and resistance wheel 18, the arc barricade 20 of radome can displacement between resistance wheel 18 and magnetic adsorption piece 19: fan-shaped radome (or fan-shaped magnetic force assembly) rotates around fixed axis, or shown in arrow among Figure 20, the relatively-stationary discoidal magnetic force assembly of discoidal radome moves axially, make the arc barricade 20 of radome can insert or shift out gap between the magnetic adsorption piece 19 of magnetic force assembly and the resistance wheel 18 all outer rims, and then adjust the size of resistance wheel 18 suffered resistances.
In Fig. 3 of the present invention, Fig. 7 embodiment, the fan-shaped circular-arc magnetic material shelf outer rim of magnetic force assembly radially set firmly an arc magnetic conductive iron sheet, set firmly the magnetic adsorption piece on the described arc magnetic conductive iron sheet, radially being provided with of fan-shaped radome can tangentially be passed the inwardly arc barricade in gap between the Zhou Yuan of magnetic adsorption piece and resistance wheel footpath; And in Figure 19 embodiment of the present invention, take turns a side (inboard) at the axial resistance of the fan-shaped circular-arc magnetic material shelf of magnetic force assembly and set firmly a fan-shaped magnetic conductive iron sheet, on described fan-shaped magnetic conductive iron sheet, set firmly the magnetic adsorption piece, fan-shaped radome be axially arranged with the fan-shaped barricade that can pass gap between magnetic adsorption piece and the resistance wheel axial sides; In other embodiments of the invention, also the structure of Fig. 3, Fig. 7 embodiment and Figure 19 embodiment can be merged and use, referring to shown in Figure 21, also can be not only the radian of magnetic force assembly 21 end radially be 180 degree fan-shaped circular-arc magnetic material shelf outer rims radially set firmly an arc magnetic conductive iron sheet, set firmly magnetic adsorption piece 211 on the described radial strut magnetic conductive iron sheet, it is the arc barricades 221 of 180 degree that fan-shaped radome 22 end radially is provided with the radian that can tangentially pass gap between magnetic adsorption piece and the inside Zhou Yuan in resistance wheel footpath; And be that the axial resistance of the fan-shaped circular-arc magnetic material shelfs of 180 degree is taken turns a side (inboard) and set firmly a fan-shaped magnetic conductive iron sheet at the radian of the magnetic force assembly 21 axisymmetric other end radially, set firmly magnetic adsorption piece 212 on described fan-shaped magnetic conductive iron sheet, the radian that can pass gap between magnetic adsorption piece and the resistance wheel axial sides that is axially arranged with of the fan-shaped radome 22 axisymmetric other end radially is the 180 fan-shaped barricades 222 of spending; Driving mechanism is by pivoting to change the relative position of radome 22 and magnetic force assembly 21, can make the barricade 221,222 of radome 22 pass between the magnetic adsorption piece 211,212 and resistance wheel 1c of magnetic material shelf (comprise axially and radially) gap around axle (tangentially), pass through area with the magnetic adsorption piece 211,212 and the magnetic line of force between the resistance wheel 1c that changes magnetic force assembly 21, and then adjust the size of the suffered resistance of resistance wheel 1c.Referring to shown in Figure 21, when the arc barricade 221 of radome 22 rotates to the position that overlaps fully with the arc magnetic conductive iron sheet of described magnetic material shelf, the fan-shaped barricade 222 of radome 22 other ends also rotates to the position that overlaps fully with the fan-shaped magnetic conductive iron sheet of the described magnetic material shelf other end simultaneously, magnetic adsorption piece 211,212 formed magnetic fields on arc magnetic conductive iron sheet and the fan-shaped magnetic conductive iron sheet are shielded the resistance minimum that resistance wheel 1c is suffered respectively fully by arc barricade 221 and fan-shaped barricade 222; Otherwise, radome 22 is after 180 degree are pivoted in above-mentioned position, be that the arc barricade of radome rotates to the distinct position of arc magnetic conductive iron sheet with described magnetic material shelf, and the fan-shaped barricade of the radome other end also rotates to the distinct position of fan-shaped magnetic conductive iron sheet with the described magnetic material shelf other end simultaneously, the formed magnetic field of magnetic adsorption piece discharges fully, the resistance maximum that resistance wheel is suffered.
Claims (10)
1, a kind of controllable magnetic damping device of training airplane comprises:
One resistance wheel, described resistance wheel are hubbed on the fixed axis of training airplane;
One magnetic force assembly comprises:
One magnetic material shelf is arranged on the resistance wheel next door, is formed with the gap between described magnetic material shelf and the resistance wheel;
Some magnetic adsorption pieces are arranged on the described magnetic material shelf;
It is characterized in that:
Described controllable magnetic damping device more comprises a radome, is provided with the barricade that can pass gap between magnetic force assembly and the resistance wheel; At least one is available for users to adjust and the location among radome and the magnetic material shelf, and the magnetic adsorption piece and the magnetic line of force between the resistance wheel that can change the magnetic force assembly pass through area, and then adjust the size of the suffered resistance of resistance wheel.
2, the controllable magnetic damping device of training airplane according to claim 1 is characterized in that, described radome and described magnetic force assembly change mutual position with the mode of swaying.
3, the controllable magnetic damping device of training airplane according to claim 1 is characterized in that, the material that barricade adopted of described radome is the material of NiFe alloy or ultra-low-carbon steel high magnetic permeability, and the value of magnetic conductivity is greater than 900gauss/oersted.
4, the controllable magnetic damping device of training airplane according to claim 1 is characterized in that, a side of described resistance wheel is arranged with a room, and the inner peripheral layer of room is a metallic conductor; Described radome and described magnetic force assembly are placed in the room of resistance wheel.
5, the controllable magnetic damping device of training airplane according to claim 1 is characterized in that, the outer peripheral edges layer of described resistance wheel is a metallic conductor; The magnetic adsorption piece of magnetic force assembly is positioned at outside the outer peripheral edges of resistance wheel, is formed with the gap between the outer peripheral edges layer of magnetic adsorption piece and resistance wheel, is provided with between resistance wheel and the magnetic adsorption piece around fixed axis to rotate the radome that moves.
6, the controllable magnetic damping device of training airplane according to claim 1 is characterized in that, described magnetic force assembly is fixedly arranged on the fixed axis coaxial with resistance wheel, and is placed in the room of resistance wheel, and the axial arranged outside of magnetic force assembly has the support chip of radome; Described magnetic force assembly is disc.
7, the controllable magnetic damping device of training airplane according to claim 1, it is characterized in that, described magnetic material shelf is fan-shaped, and the fan-shaped circular-arc outer rim of described magnetic material shelf radially is installed with the arc magnetic conductive iron sheet, and the arc magnetic conductive iron sheet is provided with the magnetic adsorption piece that permanent magnet is formed.
8, the controllable magnetic damping device of training airplane according to claim 7, it is characterized in that, described magnetic material shelf comprises two centrosymmetric segments, the circular-arc outer rim of each segment sets firmly an arc magnetic conductive iron sheet respectively, respectively is installed with the magnetic adsorption piece of being made up of circular-arc permanent magnet on each arc magnetic conductive iron sheet;
Described radome comprises two the centrosymmetric fan-shaped covers corresponding with described magnetic material shelf.
9, the controllable magnetic damping device of training airplane according to claim 1, it is characterized in that, resistance wheel one side of axially leaning on of the fan-shaped circular-arc outer rim of described magnetic material shelf is installed with fan-shaped magnetic conductive disk, fan-shaped magnetic conductive disk is provided with the magnetic adsorption piece that permanent magnet is formed, the fan-shaped circular-arc outer rim of described magnetic material shelf radially is installed with the arc magnetic conductive disk, and the arc magnetic conductive disk is provided with the magnetic adsorption piece that permanent magnet is formed; Described radome be provided with the fan-shaped barricade in gap between the magnetic adsorption piece that can pass described magnetic force assembly accordingly and the resistance wheel axial sides and can pass the magnetic adsorption piece and the room inner peripheral edge surfaces between the arc barricade in gap.
10, the controllable magnetic damping device of training airplane according to claim 1 is characterized in that, described radome or magnetic material shelf are connected with a driving mechanism, and described driving mechanism is the electric driving mechanism of being made up of motor, gear, gear band; Motor driving gear band and gear can pivot radome or magnetic material shelf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100258362A CN100540094C (en) | 2006-04-19 | 2006-04-19 | The controllable magnetic damping device of training airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100258362A CN100540094C (en) | 2006-04-19 | 2006-04-19 | The controllable magnetic damping device of training airplane |
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| CN101058017A CN101058017A (en) | 2007-10-24 |
| CN100540094C true CN100540094C (en) | 2009-09-16 |
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| CNB2006100258362A Expired - Fee Related CN100540094C (en) | 2006-04-19 | 2006-04-19 | The controllable magnetic damping device of training airplane |
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| CN102267063B (en) * | 2010-06-03 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Magnetic base |
| TWI426977B (en) * | 2010-06-11 | 2014-02-21 | Hon Hai Prec Ind Co Ltd | Magnetic fixture |
| CN107281695A (en) * | 2017-08-01 | 2017-10-24 | 张孟迪 | A kind of single-direction and dual-direction line load weight resistance element apparatus |
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