CN104477752B - Fan-shaped yoke permanent magnetism suspension - Google Patents
Fan-shaped yoke permanent magnetism suspension Download PDFInfo
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- CN104477752B CN104477752B CN201410648249.3A CN201410648249A CN104477752B CN 104477752 B CN104477752 B CN 104477752B CN 201410648249 A CN201410648249 A CN 201410648249A CN 104477752 B CN104477752 B CN 104477752B
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- yoke
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- earth permanent
- magnet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
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- Mechanical Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The fan-shaped yoke permanent magnetism suspension of the present invention belongs to permanent magnetism and inhales the technical field of heavy equipment.Structure is arranged on central shaft (1) can upper magnet yoke disk and lower yoke disk in relative rotation, yoke disk is made up of sector magnet yoke (16,16a) and rare earth permanent magnet bar (9,9a), have the yoke disc centre small cake (3,15) of coaxial nonferromugnetic material respectively in upper and lower yoke disc centre, thrust bearing (4) is contained between upper and lower yoke disc centre small cake (3,15)；The height of lower rare earth permanent magnet bar (9a) is less than upper rare earth permanent magnet bar (9).Each independent sector magnet yoke (16,16a) is firmly connected with center small cake (3,15) by circular pressing plate (31,32,33,34), flat head bolt (30).This invention removes magnetic line of force short circuit, improve the ability of permanent magnetism suspension lifting ratio；Not having remanent magnetism after unloading weight, the least ferromagnetic material also will not be detained.
Description
Technical field
The present invention relates to permanent magnetism and inhale the technical field of heavily handling ferromagnetism weight, relate to a kind of sector magnet yoke forever
Magnetic hangs.
Background technology
Existing magnetic is reseted and is had electromagnetism and permanent magnetism two big classes.Electromagnetism is inhaled heavy equipment and is mainly relied on energising
Excitation, thus reach to draw the purpose of the ferromagnetism weight of weight.This equipment, just cannot work once have left electricity
Making, and power consumption is big, coil overheated suction weight water holdup only has about 30%, and its coordinative composition of equipments complexity is heavy,
Not easy-maintaining, complete machine cost is the highest.If power failure or electric equipment break down suddenly in work, electromagnet is i.e.
Lose magnetism, even cause weight to lose the accidents such as damage.
Permanent magnetism is inhaled to reset and is had large rotation angle formula and parallel-moving type two class, and large rotation angle formula permanent magnetism is inhaled heavy equipment and is
Rotated 180 degree by upper magnetic group relative to lower magnetic group to complete to inhale, unload weight.It is top that parallel-moving type permanent magnetism inhales heavy equipment
Magnetic group descends magnetic group to translate a magnetic cell body distance relatively, it is achieved the superposition of the magnetic line of force or Guan Bi, thus completes to inhale
Play or lay down the action of weight.These permanent magnetism inhale heavy equipment all exist unload weight after permanent magnetism suspension working face remanent magnetism serious,
Inhale weight time have end to end two groups of permanent magnet unit bodies can not superposition, thus can not fully play suction recast use, the most therefore make
Become permanent magnet and the waste of magnetic vibrating feeder yoke.Existing permanent magnetism inhales heavy equipment, due to structure and the restriction of principle, and can only
Make angular square or rectangular shape, so give to manufacture and use and all bring great difficulty.Existing
Permanent magnet weight sucking device is highly difficult to the anticorrosion of equipment, often leads to permanent magnet corrosion and has a strong impact on suction weight effect.
The prior art similar to the present invention is Chinese patent CN89218253.9 disclosed in 30,90 on Mays,
Entitled " lifting permanant magnet made of rotary rare-earth permanant magnets ".The primary structure of this hoisting permanent magnet include magnetic system,
Lower magnetic system and driving means.Upper and lower magnetic system each by structure identical by multiple rare-earth permanent magnet and technical pure
Multiple unit rare earth composite permanent magnets that iron or A3 steel are constituted are constituted.The driving means of upper magnetic system drives energy
Rotate relative to lower magnetic system around fixing axle.This hoisting permanent magnet divides again two kinds of forms from structure: one is upper and lower magnetic
The form that system rotates against in horizontal plane around vertical fixed shafts, two is that axle is fixed in lonely face around level by two magnetic systems
Form in relative rotation.Latter configuration form is essentially identical with the structure of parallel-moving type lifting permanent-magnet body, Mei Nengke
Take the number of upper magnetic system unit permanent magnet of parallel-moving type than the defect of many one of lower magnetic system.Former version
Upper and lower magnetic system be patty, unit permanent magnet along cake radial direction radial arrange.Due to upper and lower
Magnetic architecture is identical, and when unloading weight, in work yoke, remaining magnetic field intensity is relatively big, and the little iron block inhaled is trapped in
Inhale on weight working face, affect the suction weight effect of hoisting permanent magnet；Furthermore the cunning that the relative motion of upper and lower magnetic system produces
Kinetic force of friction is relatively big, consumes certain energy the most in vain；In addition permanent magnet and the alternate spelling of magnetic vibrating feeder yoke are beaten, and make
The structure of the unit rare earth composite permanent magnet of upper and lower magnetic system becomes insecure so that difficulty of processing increases, precision
Also it is difficult to ensure that.
Also having ZL94104385 1 disk small rotary angle permanent magnet weight sucking device close with the present invention before this, it is main
Want structure as follows: install the identical upper disk of the diameter that can rotate relatively freely on center shaft and lower disc as
Critical piece, upper and lower disk is the most respectively by upper magnetic group magnetic vibrating feeder yoke and upper magnetic group rare-earth permanent magnet, lower magnetic group yoke
Iron and lower magnetic group rare-earth permanent magnet are constituted, and rare-earth permanent magnet is centered by disc axis line, by radial edge half
Footpath is evenly distributed, and is flush-mounted in respectively between magnetic vibrating feeder yoke.The corresponding accurate alignment of permanent magnet on two disks.When
Two corresponding permanent magnet opposite poles attract each other composition closed magnetic circuit, at this moment externally do not show magnetic, are to unload
Fall the state of weight；If two disk magnetic vibrating feeder yokes relatively rotate a suitable angle, two corresponding magnets are because of homopolarity
Property formed overlaying state, externally demonstrate ferromagnetism, now for inhale weight state.Drive motor by being fixed on
Sector rack on magnetic group magnetic vibrating feeder yoke drives upper disk relative to lower disc around central axis.For realizing energy-conservation mesh
, catch up with on the surface that disk contacts diametrically equipped with pyramid type roller at lower magnetic group magnetic vibrating feeder yoke；Rare earth
The number of permanent magnet is respectively 12 pieces, and between adjacent two pieces of rare-earth permanent magnets, the angle with central shaft as summit is 30 °
Angle, and pole orientation is contrary；Described sector rack is processed into 30 ° of arcs and is fixed on magnetic group magnetic vibrating feeder yoke
On.Picking up bigger weight for giving full play to the effect of permanent-magnet material, the thickness of upper disk is greater than the thickness of lower disc
Degree, after making to unload weight, remaining magnetic field intensity tends to the least.The small rotary angle permanent magnet weight sucking device of disc type, can fully send out
Wave the effect of permanent-magnet material so that it is reach the permanent magnetism physical efficiency of a kilogram and pick up the effect of 470 kilograms of ferromagnetics
Really, i.e. when ideal inhales weight condition, its lifting ratio is 1: 470.ZL94104385 1 disk small rotary angle is forever
Magnetic hangs, after its all of magnetic vibrating feeder yoke is by one piece of A3 steel disk overall, larger-size processing；
Such extreme large and heavy workpiece is complicated, manufactures difficulty, and cost is the highest.The more important thing is in big yoke disc centre
Place, the magnetic line of force of two the most adjacent magnetic vibrating feeder yokes forms loop checking installation, causes magnetic line of force short circuit, sees the magnetic of Fig. 4
The flux loop 26 that the line of force is constituted, thus can produce substantial amounts of magnetic loss, have a strong impact on the lifting ratio of permanent magnetism suspension,
The suction Beijing South Maxpower Technology Co. Ltd power making permanent magnetism suspension is greatly reduced.
Summary of the invention
The technical problem to be solved in the present invention is to solve magnetic line of force short circuit that prior art exists, still have remaining magnetic field
The problem of intensity, designs new permanent magnetism suspension structure, to improve the lifting ratio of permanent magnetism suspension, reaches optimal suction Beijing South Maxpower Technology Co. Ltd
Power, does not has residual magnetism after unloading weight.
The concrete technical scheme of the present invention is as follows.
A kind of fan-shaped yoke permanent magnetism suspension, structure be arranged on central shaft 1 can in relative rotation diameter identical
Upper magnet yoke disk and lower yoke disk, upper and lower yoke disk is the most respectively by upper sector magnet yoke 16 and upper rare earth
Permanent magnetic strip 9, lower fan-shaped magnetic vibrating feeder yoke 16a and lower rare earth permanent magnet bar 9a are constituted, and rare earth permanent magnet bar is with yoke disk
Centered by axial line, by radial evenly distributed along radius, it is flush-mounted between sector magnet yoke；Driving upper magnet yoke circle
Dish is relative to the pushing means of lower yoke disk rotational；Thrust bearing 4；Shell body 13；Upper magnet yoke disk and under
Yoke disc centre has upper magnet yoke disc centre small cake 3 and the lower yoke of coaxial nonferromugnetic material respectively
Disc centre small cake 15, thrust bearing 4 is contained in upper magnet yoke disc centre small cake 3 and lower yoke disk
Between heart small cake 15；Upper rare earth permanent magnet bar 9 is identical with the number of lower rare earth permanent magnet bar 9a, every upper rare earth
Permanent magnetic strip 9 and the length of lower rare earth permanent magnet bar 9a, width are identical, and the height of lower rare earth permanent magnet bar 9a is less than upper
Rare earth permanent magnet bar 9；Below lower rare earth permanent magnet bar 9a and between adjacent lower fan-shaped magnetic vibrating feeder yoke 16a side elevation
The space stayed, fills nonferromugnetic material filler 14.
The concrete structure of upper and lower yoke disk may is that
Each upper sector magnet yoke 16 is independent sector, and quantity is even number；Upper sector magnet yoke 16 size is little
Arc end head rest at the outward flange of upper magnet yoke disc centre small cake 3, the big arc end of size is outwards by radiation
The uniform arrangement of shape；Rare earth permanent magnet bar 9 is inlayed between adjacent upper sector magnet yoke 16 side elevation；By upper
The circular top board 31 of yoke disk and the circular lower platen 32 of upper magnet yoke disk cover yoke disc centre respectively
Small cake 3 and the upper and lower seam of upper sector magnet yoke 16, then it is fixed on upper fan-shaped yoke with flat head bolt 30
On iron 16 and upper magnet yoke disc centre small cake 3, make sector magnet yoke 16 and upper magnet yoke disc centre roundlet
Cake 3 links into an integrated entity；One end magnetic vibrating feeder yoke connecting plate 17 big in upper sector magnet yoke 16 size is fixed adjacent
Two upper sector magnet yokes 16；
Lower yoke disk is by lower yoke disc centre small cake 15, lower fan-shaped magnetic vibrating feeder yoke 16a, lower rare earth permanent magnet
The circular lower platen 34 of bar 9a, the circular top board 33 of lower yoke disk and lower yoke disk forms, each portion
Between the number of part, parts, position is corresponding with upper magnet yoke disk with fixed form identical；Under lower rare earth permanent magnet bar 9a
The nonferromugnetic material filler 14 of the side filler supporting plate 38 envelope torr of nonferromugnetic material.
The device driving upper magnet yoke disk rotational can use the structure of prior art, it is also possible to by following structure
Assemble.
Described pushing means, structure has micro machine 20, leading screw 22, plus thread nut 23, left-hand thread nut
24, constitute four driving push rods 27 of parallelogram, be vertically fixed on the long arm link of central shaft 1 upper end
19, an angle point of parallelogram pushing means is fixed on the fixed pivot 21 in long arm link 19 and consolidates
Determine the removable angle point 25 of another relative parallelogram angle point of fulcrum 21；Removable angle point 25 is fixed
In upper magnet yoke disc face, two the parallelogram angle points adjacent with fixed pivot 21 are respectively provided with plus thread
Nut 23 and left-hand thread nut 24, leading screw 22 passes plus thread nut 23 and left-hand thread nut 24, and by micro-
Motor 20 drives leading screw 22 to rotate by leading screw 22 axis.
In order to protect upper and lower yoke disk trouble free service, protection rare earth permanent magnet bar surprisingly to off normal, use as follows
Measure.
On each, the exposed surface of rare earth permanent magnet bar 9 and lower rare earth permanent magnet bar 9a is respectively with nonferromugnetic material
Rare earth permanent magnet bar pressing plate 8 covers, and rare earth permanent magnet bar pressing plate 8 is fixed on sector magnet yoke by fixed screw 6；
The protection pressing plate 10 being fitted with upper magnet yoke disk at upper magnet yoke disk；Below lower yoke disk equipped with
Plum petal-like lower yoke disk protection supporting plate 29, wherein in nonferromugnetic material filler 14, lower yoke disk
The circumferential edge position of heart small cake 15 and lower yoke disk is protected, and lower fan-shaped magnetic vibrating feeder yoke 16a is exposed.
The design of the permanent magnetism suspension of five tons to 45 tons ferromagnetic domestic animal weights is played, the fan-shaped yoke of each unit by lifting
Optimum size and the geometry of iron can be found in Fig. 8.Upper and lower sector magnet yoke 16, the mean breadth of 16a are
60～120mm, thickness is 30～90mm.
Beneficial effects of the present invention:
The magnetic vibrating feeder yoke of each permanent magnetism suspension, selects same A3 steel plate, is reprocessed into some (even number) individual solely
Vertical sector magnet yoke, center small cake is again non-magnetic body, and its magnetic resistance is infinitely great, the most thorough
Eliminate magnetic line of force short circuit and form the magnetic loss phenomenon of leakage field, really improve the ability of permanent magnetism suspension lifting ratio.
Because the attribute of the magnetic line of force is least to like by right angle, it likes navigating within big arc curve path；
It addition, when two different in nature magnetic lines of force meet, the different in nature magnetic line of force of more weak magnetic is shown by the more ferromagnetic magnetic line of force
Obtain more powerful；The magnetic line of force of weak magnetic just seems more small and weak to the magnetic line of force that the opposite sex is stronger.So this
Bright upper and lower rare earth permanent magnet bar 9 and the material of 9a, magnetic property, the length of physical dimension, width are the most identical,
Upper rare earth permanent magnet bar 9 can exceed 1/3rd than lower rare earth permanent magnet bar 9a, and lower rare earth permanent magnet bar 9a
Nonferromugnetic material to be used (such as copper or aluminium etc.) is filled with.When permanent magnetism suspension is in and unloads weight state (see
Fig. 6): the magnetic line of force of upper and lower rare earth permanent magnet bar is that there is a natural attraction between the sexes, but, due to upper rare earth permanent magnet bar 9
Exceeding 1/3rd than lower rare earth permanent magnet bar 9a, the magnetic polarity therefore going up rare earth permanent magnet bar 9 just seems the strongest
Greatly, can seeming, the magnetic line of force of the most weak lower rare earth permanent magnet bar 9a all attracts, thus formed such as
The magnetic circuit state of Fig. 6；At this moment, permanent magnetism suspension inhales some remanent magnetism of bottom face of weight all not to be had, and which forms name secondary
Zero magnetic potential in fact.The least ferromagnetic particle all can not inhaled by the weight end face of inhaling of permanent magnetism suspension, working surface
Ferromagnetic material would not be had to be detained, it is achieved thereby that being perfectly safe when permanent magnetism suspension inhales weight is reliable.
The suction weight state of the present invention, upper rare earth permanent magnet bar 9 rotates a suitable position, former with lower yoke disk
Carrying out that lower rare earth permanent magnet bar 9a adjacent neatly corresponding (see the magnetic circuit state of Fig. 7), the magnetic line of force reconfigures,
The magnetic polarity of its homonymy is identical, and its upper magnet yoke disk top does not has ferromagnetic object, and the magnetic resistance of there is nothing
The biggest, the ferromagnetism weight of suction is hung in the bottom of lower yoke disk, is just good magnetic conductor, therefore,
The magnetic line of force of the rare earth permanent magnet bar 9 of upper magnet yoke disk and the rare earth permanent magnet bar 9a of lower yoke disk can only be by upper
The upper sector magnet yoke 16 of yoke disk and the lower fan-shaped magnetic vibrating feeder yoke 16a of lower yoke disk and hung the magnetic of suction
The magnetic line of force path that weight 35 is constituted, forms flux loop 26.And the magnetic line of force of upper rare earth permanent magnet bar 9
Being overlapped mutually with the magnetic line of force of lower rare earth permanent magnet bar 9a, so closed magnetic line of force by stacking up is returned
Road, just can be being sucked up firmly by the ferromagnetic weight 35 hanging suction.The lifting ratio that the present invention can realize is the most close
1 to 503, the high energy rare earth permanent-magnetic material of i.e. 1 kilogram lifting can play ferromagnetism weight 503kg.
Accompanying drawing illustrates:
Fig. 1 is a kind of overall structure schematic diagram of the present invention.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is upper sector magnet yoke 16 and upper magnet yoke disc centre small cake 3 in Fig. 1；In lower yoke disk
Heart small cake 15 and the structure scheme of installation of lower fan-shaped magnetic vibrating feeder yoke 16a.
Fig. 4 is the disk magnetic of ZL94104385 1 disk small rotary angle permanent magnet weight sucking device close with the present invention
Yoke is that the ferrimagnet of same entirety is constituted, and its leakage field magnetic circuit causes the schematic diagram of serious magnetic force loss.
Fig. 5 is sector magnet yoke 16 in the present invention, upper rare earth permanent magnet bar 9, lower fan-shaped magnetic vibrating feeder yoke 16a, under dilute
The mounting structure schematic diagram of soil permanent magnetic strip 9a.
Magnetic structure schematic diagram when Fig. 6 lays down inhaled ferromagnetism weight by the present invention.
Fig. 7 is magnetic structure schematic diagram during lifting ferromagnetism weight of the present invention.
Fig. 8 is the best geometry of sector magnet yoke of sector magnet yoke permanent magnetism suspension, scale diagrams.
Fig. 9 is the parallel four limit horizontal drive devices knots of the upper magnet yoke disk top installation of sector magnet yoke permanent magnetism suspension
Structure and installation site schematic diagram.
Figure 10 is the plum blossom lobed structural representation of lower yoke disk protection pallet 29.
Detailed description of the invention
Further illustrate the structure of the present invention below in conjunction with the accompanying drawings.
Embodiment 1
See Fig. 1.Fig. 1 is sector magnet yoke permanent magnetism suspension primary structure schematic diagram of the present invention.In Fig. 1,1 is
Central shaft, 2 be central shaft hex nut, 3 be upper magnet yoke disc centre small cake, 4 be thrust bearing, 5
It is the hexagonal (hexagon)nut of central shaft 1 bottom, 7 is outer casing upper cover, 9 is upper rare earth permanent magnet bar, 8 is rare earth permanent magnet
Bar pressing plate, 15 it is that lower yoke disc centre small cake, 9a are lower rare earth permanent magnet bars, 14 are nonferromugnetic materials
Filler, 28 be the interior hexagon locating slot of lower yoke disc centre small cake 15 bottom surface, 13 be nonferromagnetic material
Material (such as 306 stainless steels) make shell body, 12 be suspension ring, 29 be plum blossom lobed lower yoke disk protect
Protect supporting plate, 35 hung the ferromagnetism weight of suction.
The quantity of upper and lower sector magnet yoke is identical and must be even number (as being 12 pieces respectively).Using pure iron
Or the upper sector magnet yoke made of A3 steel and upper magnet yoke disc centre small cake 3 jail made with 306 stainless steels
Solid connect into an entirety, leave clearance groove, in groove between the sector magnet yoke side elevation that each two is adjacent
Rare earth permanent magnet bar 9 need to be inlayed, constitute upper magnet yoke disk.With same process by lower fan-shaped magnetic vibrating feeder yoke and lower yoke
Disc centre small cake 15 firmly connects into an entirety, inlays lower rare earth permanent magnet bar 9a and constitutes lower yoke circle
Dish.
Because the upper and lower sector magnet yoke of sector magnet yoke permanent magnetism suspension of the present invention is all with identical material, and
Their geometry, size are also identical, so, between the sector magnet yoke that each two is adjacent
Clearance groove is the most identical, and upper rare earth permanent magnet bar 9 and lower rare earth permanent magnet bar 9a are that width is identical, length also phase
With, upper rare earth permanent magnet bar 9 is higher than lower rare earth permanent magnet bar 9a.So in the clearance groove of lower yoke disk
Lower rare earth permanent magnet bar 9a below must be full of space, nonferromagnetic material with nonferromugnetic material filler 14
Material can be 306 stainless steels or brass.
Central shaft 1 is made by nonferromugnetic material (such as non-magnetic metal material 306 stainless steel or brass etc.)
That the centre bore from lower yoke disk bottom surface is put on, the lower end of this central shaft 1 have big hexagonal (hexagon)nut 5,
There is screw thread the upper end of central shaft 1, and is furnished with the planchet made with non-magnetic metal material and central shaft hexagonal spiral shell
Female 2；Hexagonal (hexagon)nut 5 is to be embedded in the interior hexagon location in the middle of bottom lower yoke disc centre small cake 15
In groove 28, central shaft 1 is made to be integrally fixed with lower yoke disc centre small cake 15 firmly.In order to reduce
Frictional force between when upper magnet yoke disk and lower yoke disk relatively rotate, installs between upper and lower two magnetic disks
There is thrust bearing 4.So, upper magnet yoke disc centre small cake 3 and thrust bearing 4 and lower yoke disk are just made
Center small cake 15 is sleeved on central shaft 1 by upper, middle and lower order.
On all of yoke disk, plane and lower plane must assure that have good flatness and the depth of parallelism, bright and clean
Degree；All side elevations of upper magnet yoke disk and lower yoke disk also must assure that good flatness peace simultaneously
Row degree；More will be with upper magnet yoke disk, all upper and lower big plane of lower yoke disk keeps good perpendicularity.
These are to ensure that effectively close to the necessary condition of preferable lifting ratio index 1 to 503.
Embodiment 2
With reference to Fig. 2.On the basis of embodiment 1, Fig. 2 is the schematic diagram of lower yoke disk bottom surface of the present invention,
In Fig. 2,17 is sector magnet yoke connecting plate, and 18 is connecting plate screw.Sector magnet yoke connecting plate 17 is used for
Reinforce two adjacent sector magnet yokes, in order to ensure stablizing between fan-shaped magnetic vibrating feeder yoke 16a under adjacent two
Property must use high intensity 306 corrosion resistant plate, is connected firmly by connecting plate screw 18.
Embodiment 3
With reference to Fig. 3.Express in Fig. 3 is upper and lower two yoke disc structure scheme of installations.Fig. 3 is given
Upper and lower yoke disc centre small cake 3,15, and upper and lower sector magnet yoke 16 corresponding with them, 16a
Connecting assembling structure.In Fig. 3,2 is central shaft hex nut, and 30 is flat head bolt (only drawing one),
31 be the circular top board of upper magnet yoke disk, 32 be the circular lower platen of upper magnet yoke disk, 33 be lower yoke circle
The circular top board of dish, 34 is lower yoke disk circle lower platen.
Upper magnet yoke disc centre small cake 3 and the upper sector magnet yoke 16 of the present invention are firmly combined into one,
It it is the mode that can not use welding.Because sector magnet yoke is pure iron or the good material of ferromagnetism, it is desirable to use
Making the material of magnetic vibrating feeder yoke, its molecular grating and molecules align require that nature is orderly and relatively uniform stable, institute
So that welding high temperature process technique can not be used, the technique (seeing Fig. 3) that strength is threaded can only be used.
That is, by the circular top board 31 of upper magnet yoke disk, the circular lower platen 32 of upper magnet yoke disk, lower yoke disk
Circular top board 33 and lower yoke disk circle lower platen 34 respectively gland at each yoke disc centre small cake
With sector magnet yoke junction, then fix with flat head bolt 30, make upper magnet yoke disc centre small cake 3 and upper
Sector magnet yoke 16, lower yoke disc centre small cake 15 and the lower the most firm combination of fan-shaped magnetic vibrating feeder yoke 16a
Integral.It is specifically intended that: the upper and lower pressing plate of all circles and high intensity flat head screw and thrust bearing etc. must
It must be the high-quality high-strength material (such as 306 stainless steels or titanium steel etc.) without magnetic conductivity.
The design of the upper and lower yoke disc centre small cake 3 and 15 of nonferromugnetic material, be the present invention upper,
Lower yoke disc centre position eliminates leakage field, eliminates the major reason of magnetic force loss.
Embodiment 4
With reference to Fig. 4.The ZL94104385 1 disk small rotary angle permanent magnet weight sucking device yoke circle close with the present invention
Dish schematic diagram.In Fig. 4,36 is magnetic vibrating feeder yoke, and 37 is rare earth permanent magnet bar, and 26 is flux loop.Magnetic vibrating feeder yoke
36 is the entirety processed with same iron plate, and the magnetic vibrating feeder yoke in yoke disc centre must produce leakage field.
The magnetic loop that the magnetic line of force of leakage field is constituted is very serious, and its result causes the suction weight of permanent magnetism suspension lifting ferromagnetism weight
The most bad；The schematic diagram of the magnetic force loss that Fig. 4 i.e. leakage field are caused.
Embodiment 5
With reference to Fig. 5.Fig. 5 is the mounting structure schematic diagram of sector magnet yoke and the rare earth permanent magnet bar etc. of the present invention.
Fig. 5 gives upper and lower sector magnet yoke 16,16a, upper and lower rare earth permanent magnet bar 9,9a, nonferromagnetic material
Material filler 14, the rare earth permanent magnet bar pressing plate 8 being made up of 306 stainless steels, rare earth permanent magnet bar pressing plate fixed screw 6,
The upper magnet yoke disk protection pressing plate 10 that 306 stainless steels are made；The lower yoke disk protection torr that 306 stainless steels are made
Plate 29；The nonferromugnetic material filler supporting plate 38 that 306 stainless steels are made.
Rare earth permanent magnet bar pressing plate 8 is wider than upper and lower rare earth permanent magnet bar 9,9a, hides naked at each bar rare earth permanent magnet bar
Show up, be fixed on the sector magnet yoke on rare earth permanent magnet bar both sides with rare earth permanent magnet bar pressing plate fixed screw 6, use
Surprisingly deviate from protection rare earth permanent magnet bar.Upper magnet yoke disk protection pressing plate 10 is one layer of 306 corrosion resistant plate, cover
Above upper magnet yoke disk, upper magnet yoke disk is made to be protected；Lower yoke disk protection supporting plate 29 is plum blossom lobed
Shape, is fixed on below lower yoke disk, wherein nonferromugnetic material filler 14, lower yoke disc centre roundlet
The circumferential edge position of cake 15 and lower yoke disk is protected, and lower fan-shaped magnetic vibrating feeder yoke 16a is exposed.
Embodiment 6
With reference to Fig. 6.The present invention that what Fig. 6 represented is unloads magnetic circuit view during weight.Upper rare earth in Fig. 6
Permanent magnetic strip 9 to exceed 1/3rd than lower rare earth permanent magnet bar 9a.Because the shape of the most all of sector magnet yoke
Shape is identical, and thickness is the most identical, so the thickness of upper and lower two yoke disks is also identical.Therefore, exist
Filling nonferromugnetic material filler 14 is wanted below lower rare earth permanent magnet bar 9a.Upper rare earth permanent magnet bar 9 in Fig. 6
The magnetic polarity of corresponding lower they same sides of rare earth permanent magnet bar 9a is different, the magnetic line of force the most here
Loop is the annular of Guan Bi, does not the most show magnetic, cannot hang suction ferromagnetism weight.Again because of upper rare earth permanent magnet
Bar 9 exceeds 1/3rd than lower rare earth permanent magnet bar 9a, make the magnetic line of force intensity of rare earth permanent magnet bar much stronger than under
Rare earth permanent magnet bar, above rare earth permanent magnet bar the magnetic line of force just lower rare earth permanent magnet bar all the opposite sex magnetic lines of force complete
All it is drawn through.There is preferable zero magnetic potential in the suction weight end face thus making fan-shaped yoke permanent magnetism suspension, is unloading weight state
Even if time the little iron block of 0.02 gram all can not inhale.
Embodiment 7
With reference to Fig. 7.Fig. 7 is that fan-shaped yoke permanent magnet weight sucking device hangs the magnetic circuit view inhaling ferromagnetism weight.
In Fig. 7,35 are hung the ferromagnetism weight of suction, and 26 is flux loop.As can be seen from Figure 7: on
The magnetic polarity of the same side facade of rare earth permanent magnet bar 9 and corresponding lower rare earth permanent magnet bar 9a is identical, by
Repel each other in magnetic line of force same polarity, again because upper magnet yoke disk top does not has ferromagnetic material, do not constitute magnetic and return
Road, so its magnetic resistance is infinitely-great, upper rare earth permanent magnet bar 9 and the same sex magnetic line of force of lower rare earth permanent magnet bar 9a
Necessarily constitute superimposed by corresponding upper and lower two sector magnet yokes 16,16a and ferromagnetism weight 35
Flux loop 26.Again because upper rare earth permanent magnet bar 9 exceeds about 1/3rd than lower rare earth permanent magnet bar 9a,
So the homo-polarity magnetic line after superposition is not up to saturation state in sector magnet yoke.The present invention's is all
The magnetic line of force all can be straightway by being hung the ferromagnetism weight 35 of suction, and this has been considerably improved the present invention's
Inhale Beijing South Maxpower Technology Co. Ltd's power.
Embodiment 8
With reference to Fig. 8.Fig. 8 is the best geometry of the sector magnet yoke of sector magnet yoke permanent magnetism suspension and wide, high
The schematic diagram of data, A is sector magnet yoke 16 and the average width dimension of lower fan-shaped magnetic vibrating feeder yoke in the present invention；
B is optimum height size.
The present invention in R&D process, its part as above, lower yoke disc centre small cake, upper and lower rare earth is forever
Magnetic stripe, upper sector magnet yoke 16, lower fan-shaped magnetic vibrating feeder yoke, and rare earth permanent magnet bar, A3 steel, pure iron, 306
The attribute of stainless steel etc., geometry, size etc. carried out hundreds of time calculating, by thousands of data are screened,
Determine its optimal material, shape and size after preferably, then through suitable apolegamy and rational processing technology,
Condition, can enable the invention to realize current lifting ratio finally close to 1 to 503, and the high energy of i.e. 1 kilogram is dilute
Soil permanent-magnet material lifting can play ferromagnetism weight 503kg.
Wherein lifting can play fan independent in each unit of the permanent magnetism suspension of five tons to 45 tons ferromagnetic domestic animal weights
The optimum size of shape magnetic vibrating feeder yoke and geometry (see Fig. 8), according to different model permanent magnetism suspension lifting ferromagnetic material
Weight (5～45 tons) calculates mean breadth A:60～120mm of sector magnet yoke (by fan-shaped maximum arc
With the chord length mean value corresponding to minimum arc)；Thickness B:30～90mm of sector magnet yoke.
In view of inhaling heavy efficiency and the intensity of structure, the radius that can select upper and lower yoke disk is upper and lower
2～10 times of yoke disc centre small cake radius, preferably 2.5～5.5 times.Upper and lower yoke disc centre roundlet
The optimum radius value of cake is 90～150mm.
Embodiment 9
With reference to Fig. 9.Fig. 9 is that the upper magnet yoke disk of fan-shaped yoke permanent magnetism suspension and lower yoke disk are around central axis
Relative to the structural representation driving source apparatus repeatedly rotated.In Fig. 9,20 be micro machine, 22 for leading screw,
23 for plus thread nut, 24 for left-hand thread nut, 19 for long arm link (being vertically fixed on central shaft 1 upper end),
27 for driving push rod, i.e. the four edges of parallelogram pushing means, 21 be fixed pivot, the most parallel four limits
One of shape pushing means is fixed on the angle point in long arm link 19,25 is removable angle point, is integrally fixed at
Another parallelogram angle point relative with fixed pivot 21 in yoke disc face, 23 be plus thread nut,
24 is left-hand thread nut.Plus thread nut 23 and left-hand thread nut 24 are attached separately to adjacent with fixed pivot 21
Two parallelogram corner points, and be contained on leading screw 22.Micro machine 20 is by shaft coupling 11 connecting filament
Thick stick 22, micro machine 20 can drive leading screw 22 to rotate by its axis.
The driving source apparatus course of work is: when fan-shaped yoke permanent magnetism suspension is in non-suction weight state, upper and lower rare earth
Permanent magnetic strip 9,9a are the most overlapping, and N, S pole orientation is contrary.When micro machine 20 turns to clockwise direction
Time dynamic, leading screw 22 synchronous forward rotates, and now plus thread nut 23 and left-hand thread nut 24 are all towards leading screw
Draw close in the middle of 22.Fixed pivot 21 owing to being fixed in long arm link 19 is the most motionless, and relative
Removable angle point 25 be just displaced outwardly to away from fixed pivot 21, thus upper magnet yoke disk is descended magnetic relatively
Yoke disk rotates a suitable angle (can be 30 degree of angles) at same central shaft 1 for axis, makes rare earth
Permanent magnetic strip 9 moves to above adjacent lower rare earth permanent magnet bar 9a, and upper and lower N, S pole orientation is identical, constitutes
Flux loop 26 as it is shown in fig. 7, fan-shaped yoke permanent magnetism suspension is in suction weight state.When micro machine 20 is to instead
Clockwise rotate time, leading screw 22 synchronous backward rotate, now plus thread nut 23 by leading screw centre position to
Micro machine 20 direction is moved, and left-hand thread nut 24 is also middle to the other end of leading screw 22 by leading screw 22 simultaneously
Mobile.Fixed pivot 21 owing to being fixed in long arm link 19 is the most motionless, and relative may move
Angle point 25 is just drawn close to fixed pivot 21, and upper magnet yoke disk rotates back into the most again original position, upper and lower rare earth
Permanent magnetic strip 9,9a are overlapping and N, S pole orientation contrary, the flux loop 26 of composition as shown in Figure 6,
Fan-shaped yoke permanent magnetism suspension is in and unloads weight state.
This micro machine 20, leading screw 22, positive and negative screw nut 23,24, parallelogram drive push rod 27
In device, as long as micro machine rotates, positive and negative screw nut 23,24 just can be made to obtain by the least power bigger
Power, the removable angle point 25 on upper magnet yoke disk can be made to produce the biggest motive force, it is sufficient to make upper magnet yoke
Disk realizes to the left, turns right, so that sector yoke permanent magnetism suspension of the present invention achieves more easily lifting and rises
Ferromagnetism weight and lay down the ferromagnetism weight risen by lifting.
Claims (5)
1. a fan-shaped yoke permanent magnetism suspension, structure is arranged on central shaft (1) can diameter in relative rotation
Identical upper magnet yoke disk and lower yoke disk, upper and lower yoke disk is the most respectively by upper sector magnet yoke (16)
Constitute with upper rare earth permanent magnet bar (9), lower fan-shaped magnetic vibrating feeder yoke (16a) and lower rare earth permanent magnet bar (9a), rare earth
Permanent magnetic strip, centered by yoke disc axis line, by radial evenly distributed along radius, is flush-mounted in sector magnet yoke
Between；Drive the upper magnet yoke disk pushing means relative to lower yoke disk rotational；Thrust bearing (4)；Shell body (13)；
It is characterized in that there is the upper magnetic of coaxial nonferromugnetic material respectively at upper magnet yoke disk and lower yoke disc centre
Yoke disc centre small cake (3) and lower yoke disc centre small cake (15), thrust bearing (4) is contained in
Between yoke disc centre small cake (3) and lower yoke disc centre small cake (15)；Upper rare earth permanent magnet bar
(9) identical with the number of lower rare earth permanent magnet bar (9a), every upper rare earth permanent magnet bar (9) and lower rare earth permanent magnet
The length of bar (9a), width are identical, and the height of lower rare earth permanent magnet bar (9a) is less than upper rare earth permanent magnet bar (9)；
The sky stayed between lower rare earth permanent magnet bar (9a) lower section and adjacent lower fan-shaped magnetic vibrating feeder yoke (16a) side elevation
Between, fill nonferromugnetic material filler (14).
Fan-shaped yoke permanent magnetism suspension the most according to claim 1, it is characterised in that
Each upper sector magnet yoke (16) is independent sector, and quantity is even number；Upper sector magnet yoke (16)
The little arc end head rest of size is at the outward flange of upper magnet yoke disc centre small cake (3), the arc end that size is big
Outwards press the uniform arrangement of Radiation；Upper rare earth is inlayed forever between adjacent upper sector magnet yoke (16) side elevation
Magnetic stripe (9)；By circular top board (31) and the circular lower platen (32) of upper magnet yoke disk of upper magnet yoke disk
Cover yoke disc centre small cake (3) and the upper and lower seam of upper sector magnet yoke (16) respectively, then use
Flat head bolt (30) is fixed on sector magnet yoke (16) and upper magnet yoke disc centre small cake (3)；
Fixing two adjacent upper fans in one end magnetic vibrating feeder yoke connecting plate (17) that upper sector magnet yoke (16) size is big
Shape magnetic vibrating feeder yoke (16)；
Lower yoke disk is by lower yoke disc centre small cake (15), lower fan-shaped magnetic vibrating feeder yoke (16a), lower rare earth
Permanent magnetic strip (9a), the circular top board (33) of lower yoke disk and the circular lower platen (34) of lower yoke disk
Composition, between the number of each parts, parts, position is corresponding with upper magnet yoke disk with fixed form identical；Lower rare earth is forever
The nonferromugnetic material filler (14) of magnetic stripe (9a) lower section filler supporting plate (38) envelope of nonferromugnetic material
Torr.
Fan-shaped yoke permanent magnetism suspension the most according to claim 1, it is characterised in that described pushing means,
Structure has micro machine (20), leading screw (22), plus thread nut (23), left-hand thread nut (24), constitutes and put down
Four of row quadrangle drivings push rod (27), be vertically fixed on central shaft (1) upper end long arm link (19),
Fixed pivot (21) that one angle point of parallelogram pushing means is fixed in long arm link (19) and
The removable angle point (25) of another parallelogram angle point that fixed pivot (21) is relative；Removable angle point
(25) being fixed in upper magnet yoke disc face, two the parallelogram angle points adjacent with fixed pivot (21) divide
Not equipped with plus thread nut (23) and left-hand thread nut (24), leading screw (22) passes plus thread nut (23)
With left-hand thread nut (24), and by micro machine (20) drive leading screw (22) press leading screw (22) axis rotation.
4. according to the fan-shaped yoke permanent magnetism suspension described in claim 1,2 or 3, it is characterised in that each
The exposed surface of upper rare earth permanent magnet bar (9) and lower rare earth permanent magnet bar (9a) is respectively with the rare earth of nonferromugnetic material
Permanent magnetic strip pressing plate (8) covers, and rare earth permanent magnet bar pressing plate (8) is fixed on sector magnet by fixed screw (6)
On yoke；The protection pressing plate (10) being fitted with upper magnet yoke disk at upper magnet yoke disk；At lower yoke disk
Below equipped with plum petal-like lower yoke disk protection supporting plate (29), wherein nonferromugnetic material filler (14),
The circumferential edge position of lower yoke disc centre small cake (15) and lower yoke disk is protected, and lower fan-shaped yoke
Iron (16a) is exposed.
5. according to the fan-shaped yoke permanent magnetism suspension described in claim 1,2 or 3, it is characterised in that upper and lower
The mean breadth of sector magnet yoke (16,16a) is 60～120mm, thickness is 30～90mm.
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| CN201410648249.3A CN104477752B (en) | 2014-11-13 | 2014-11-13 | Fan-shaped yoke permanent magnetism suspension |
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| CN105840855B (en) * | 2016-05-12 | 2018-02-23 | 陕西科技大学 | A kind of automatic clearing apparatus and method that prevent irony debris from entering fiberizer |
| CN113525977B (en) * | 2020-04-14 | 2022-11-29 | 天津中科智能识别产业技术研究院有限公司 | Automatic piece equipment of getting of electron packing coil stock dish |
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|---|---|---|---|---|
| CN2057657U (en) * | 1989-10-25 | 1990-05-30 | 吉林省高等院校科技开发研究中心 | Rotary rare-earth superheavy permanent-magnet iron |
| CN1104989A (en) * | 1994-04-21 | 1995-07-12 | 关品三 | Disk small rotary angle permanent magnet weight sucking device |
| US6076873A (en) * | 1998-07-24 | 2000-06-20 | Jung; Hyung | Magnetic lifting apparatus |
| CN2670318Y (en) * | 2003-09-17 | 2005-01-12 | 杜庆榕 | Rotary permanent magnetic crane |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3396466B2 (en) * | 2000-09-14 | 2003-04-14 | 亨 鄭 | Magnetic attractor using neodymium magnet |
| JP2005335894A (en) * | 2004-05-27 | 2005-12-08 | Tokyo Ferrite Seizo Kk | Attracting device |
| JP5617883B2 (en) * | 2012-09-06 | 2014-11-05 | カネテック株式会社 | Magnetic adsorption device |
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2014
- 2014-11-13 CN CN201410648249.3A patent/CN104477752B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057657U (en) * | 1989-10-25 | 1990-05-30 | 吉林省高等院校科技开发研究中心 | Rotary rare-earth superheavy permanent-magnet iron |
| CN1104989A (en) * | 1994-04-21 | 1995-07-12 | 关品三 | Disk small rotary angle permanent magnet weight sucking device |
| US6076873A (en) * | 1998-07-24 | 2000-06-20 | Jung; Hyung | Magnetic lifting apparatus |
| CN2670318Y (en) * | 2003-09-17 | 2005-01-12 | 杜庆榕 | Rotary permanent magnetic crane |
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