CN208169394U - A kind of magnetic suspension shock absorber - Google Patents
A kind of magnetic suspension shock absorber Download PDFInfo
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- CN208169394U CN208169394U CN201820626148.XU CN201820626148U CN208169394U CN 208169394 U CN208169394 U CN 208169394U CN 201820626148 U CN201820626148 U CN 201820626148U CN 208169394 U CN208169394 U CN 208169394U
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- magnetic suspension
- shock absorber
- decoupling rod
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Abstract
The utility model discloses a kind of magnetic suspension shock absorbers comprising dynamic mount and decoupling rod, the dynamic mount centre have a through-hole, and the decoupling rod passes through the through-hole and can move in the through-hole；Wherein, the through-hole two sides of the dynamic mount are separately installed with the first magnet and the second magnet, the opposite pole of first magnet and second magnet is oppositely arranged, third magnet is installed in the decoupling rod, the third magnet is located at the upper end of the through-hole, and perhaps the lower end decoupling rod is suspended in the upper end or lower end of the dynamic mount through-hole under the action of first magnet and second magnet.This magnetic suspension shock absorber non-contact-point, lossless, no oil injecting lubricating, no fatigue, without maintenance, noenergy input, low temperature resistant severe cold is sturdy and durable, and service life indefinitely, it is simple can to manufacture structure with continuous work.
Description
Technical field
The utility model relates to damper technical fields, and in particular to a kind of magnetic suspension shock absorber.
Background technique
Currently, needing the occasion of damping generally to use the mechanical contact damping of spring and hydraulic piston parallel connection in vehicle etc.
Device, spring play the role of buffering, and piston plays damping, and damper is usually for inhibiting the outside being applied thereto
Vibration and impact force, so that vibration is generated biggish decaying on damper, to reach the comfort for keeping vehicle or equipment
And stationarity.After long-term use, spring can generate loose or fatigue rupture to such damper because of flexible deformation repeatedly,
Make defective shock absorber and can not normal use；The sealing element of hydraulic piston can generate oil leakage phenomenon because of abrasion and aging, make to subtract
Shake device loses the effect of damper.In addition, the damper of contact can generate some HF noise signals in vibration, pass through bullet
Spring, liquid and piston travel to the other side of damper, influence the comfort of people.By developing contactless damping
Device, and contactless damper can be realized by gas suspension, electromagnetic levitation type mode, and magnetic suspension has electromagnetic suspension, superconduction
Magnetic suspension and permanent-magnet suspended damper, gas suspension, electromagnetic suspension and super-conductive magnetic suspension damper are all the suspensions of energy consumption
Mode, it is impossible to be used on damper, only permanent magnet suspension, which is able to achieve noenergy and consumes, reaches suspension steady in a long-term.
In magnetic suspension shock absorber, Chinese patent：Long-stroke magnetic suspension shock absorber, application number CN102808882B, the applying date
2016.1.201 applicant：Guangxi University.And Chinese patent：CN2183468Y, permanent-magnet suspended damper, the applying date
1994.11.23 applicant：Cui Hanping.The magnetic suspension shock absorber being related in this two patents, in the case where carrying, damping
The amplitude of vibration of device is very small, and maglev region is limited.It is complicated, the frequent super amplitude of damper that the vehicles are run on road
Variation, permanent magnet are very easy to occur to hit and be crushed, and permanent magnet repulsive force in the case where carrying becomes smaller or become attraction,
So being easy to happen percussion.Such magnetic suspension shock absorber is according to magnetic force First Law：Like pole repels each other, and opposite pole is attracting
Made of magnetic principle.
In conclusion that there is damping effects is poor for traditional damper, there is friction, service life is short, and manufacturing cost is high,
Not enough environmentally friendly defect, it would be highly desirable to be further improved.
Utility model content
The purpose of this utility model is to provide a kind of magnetic suspension shock absorbers, to solve conventional maglev sensor damping
The defect that effect is poor, manufacturing cost is high, not environmentally friendly enough.
To achieve the above object, the utility model provides a kind of magnetic suspension shock absorber, and the magnetic suspension shock absorber includes subtracting
Frame and decoupling rod are shaken, there is a through-hole among the dynamic mount, the decoupling rod passes through the through-hole and can be in the through-hole
Movement；
Wherein, the through-hole two sides of the dynamic mount are separately installed with the first magnet and the second magnet, first magnet and
The opposite pole of second magnet is oppositely arranged, and third magnet is equipped in the decoupling rod, and the third magnet is located at institute
The upper end or lower end of through-hole are stated, the decoupling rod is suspended in described under the action of first magnet and second magnet
The upper end or lower end of dynamic mount through-hole, when the third magnet is between first magnet and second magnet,
Two magnetic poles of the third magnet are opposite with first magnet and the second magnet homopolarity respectively.
Preferably, one end of the decoupling rod is equipped with damper cap.
Preferably, first magnet, the second magnet and third magnet are permanent magnet；
First magnet, the second magnet and third magnet are made of neodymium iron boron N35 material.
Preferably, dynamic mount through-hole side is equipped with electromagnetic coil, and the third magnet may pass through the electromagnetic coil
Interior side through hole moved in the through-hole.
Preferably, the damper cap is equipped with the first contact, and the top of the electromagnetic coil is equipped with the second contact, described to subtract
Shake bar in the process of movement, first contact can be contacted with second contact；
When first contact and second contact contact, the electromagnetic coil is powered, and magnetic force is generated, to the third
Magnet generates magneticaction, improves the magnetic suspension force of the decoupling rod.
Preferably, the magnetic suspension shock absorber further includes battery, and the battery is connect with the electromagnetic coil, is used for
Store the electric current or be powered to the electromagnetic coil that electromagnetic coil generates.
Preferably, the magnetic suspension shock absorber further includes current control device, the current control device and the electromagnetism
Coil connection.
Preferably, the quantity of the dynamic mount is at least two, and the corresponding dynamic mount is equipped with extremely on the decoupling rod
Few two pieces of third magnets.
Preferably, the dynamic mount and decoupling rod are all made of non-magnetic material and are made.
Preferably, the bottom of first magnet and the second magnet is equipped with position-limited wheel on the decoupling rod.
The side dianoetic of the magnetic suspension shock absorber application magnet of the utility model, on the basis of permanent magnet suspension, auxiliary electricity
Magnetic suspension, magnetic suspension shock absorber can externally export electric energy and auxiliary generates electromagnetic force, improve magnetic suspension force, replace spring,
Self-oscillation is avoided, overcomes the problems, such as conduct vibrations existing for conventional contact damper, friction, oil leak and noise transmitting,
And the problem using repulsive force magnetic suspension shock absorber suspending power and hoverheight deficiency, this magnetic suspension shock absorber, which is able to suppress, to be applied
It is added on the vibration and impact of outside thereon, vibration is made to generate biggish decaying in magnetic suspension shock absorber.The utility model
Magnetic suspension shock absorber, manufacturing cost is low, and structure is simple, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the magnetic suspension shock absorber of the utility model.
Fig. 2 is the structural schematic diagram of the second embodiment of the magnetic suspension shock absorber of the utility model.
Fig. 3 is the structural schematic diagram of the 3rd embodiment of the magnetic suspension shock absorber of the utility model.
Fig. 4 is the structural schematic diagram of the fourth embodiment of the magnetic suspension shock absorber of the utility model.
Fig. 5 is the structural schematic diagram of the 5th embodiment of the magnetic suspension shock absorber of the utility model.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
As shown in Figure 1, a kind of magnetic suspension shock absorber of the utility model comprising dynamic mount 100 and decoupling rod 200 subtract
Shaking has a through-hole among frame 100, decoupling rod 200 passes through through-hole and can move in through-hole；Wherein, the through-hole of dynamic mount 100
Two sides are separately installed with the first magnet 110 and the second magnet 120,120 opposite pole of the first magnet 110 and the second magnet respectively
It is oppositely arranged, third magnet 230 is installed in decoupling rod 200, third magnet 230 is located at the upper end or lower end of through-hole,
The upper end or lower end of 100 through-hole of dynamic mount are suspended under the action of one magnet 110 and the second magnet 120.Decoupling rod 200 can be with
It is freely lifted in the through-hole among dynamic mount 100, decoupling rod 200 is suspended on dynamic mount 100, when third magnet is located at first
When between magnet and the second magnet, two magnetic poles of third magnet like pole phase with the first magnet and the second magnet respectively
It is right.The magnetic suspension shock absorber of the utility model utilizes the side-thrust generated between the opposite permanent magnet of homopolarity, 110 He of the first magnet
Second magnet 120 is upward to the direction of the side-thrust of third magnet, and repulsive force is in the horizontal direction of left and right, so that decoupling rod
It realizes and suspends between 200 and dynamic mount 100, instead of the spring used always in traditional shock absorber, the isolation of maximum possible
Vibration conduction, plays the effect of damping noise reduction.
Wherein, one end of decoupling rod 200 is equipped with damper cap 210, and damper cap 210 is in the upper end of decoupling rod 200, by subtracting
Shake lid 210 can be fixedly connected with other devices.Filling block is installed, filling block can increase in decoupling rod 200 or dynamic mount 100
Add the support strength of decoupling rod 200 or dynamic mount 100.Preferably, the first magnet 110, the second magnet 120 and third magnet
230 be permanent magnet.
Preferably, as shown in Figures 2 and 3,100 through-hole side of dynamic mount is equipped with electromagnetic coil 220, and third magnet 230 can
Across the interior side through hole of electromagnetic coil 220, decoupling rod 200 can be realized in the through-hole of electromagnetic coil 220 and is freely lifted, damping
When third magnet 230 is with the first magnet 110 and the second magnet 120 opposite side same polarity in dynamic mount 100 in bar 200,
Realize the suspension of decoupling rod 200.When decoupling rod 200 is gone up and down by external force, third magnet 230 and peace in decoupling rod 200
Electromagnetic coil effect on the upside of 100 through-hole of dynamic mount, the electric current of generation can be exported externally.
Further, as shown in figure 3, damper cap 210 is equipped with the first contact 211, the top of electromagnetic coil 220 is equipped with the
The quantity of two contacts 221, the first contact 211 and the second contact 221 can be 1 or two, mistake of the decoupling rod 200 in movement
Cheng Zhong, the first contact 211 can be contacted with the second contact 221；When first contact 211 and the second contact 221 contact, electromagnetic coil
220 are powered, and generate electromagnetic force, generate magneticaction to third magnet 230.Therefore, electromagnetic coil 220 has damper auxiliary
The floating effect of suspending, the first contact 211 and electricity when decoupling rod 200 is by big external force or excessive carrying, in damper cap 210
The second contact 221 contact on magnetic coil 220, the power generation route of electromagnetic coil 220 disconnect, and electromagnetic coil 220 is passed through from outside
Electric current, the electromagnetic force generated according to left hand rule electromagnetic coil 220 are acted on third magnet 230 in decoupling rod 200, make decoupling rod
200 come back to the magnetic suspension range for suspending and limiting.Separated when the first contact 211 and the second contact 221, power generation route connects
Logical, damper returns to generating state.When third of the decoupling rod 200 by external force when suspension range is gone up and down, in decoupling rod 200
Magnet 230 constantly makees elevating movement inside electromagnetic coil 220, the third magnet 230 in decoupling rod 200 and dynamic mount 100
On electromagnetic coil 220 act on, electric current can be continuously generated in electromagnetic coil 220, electromagnetic coil 220 passes through conducting wire connection
Diode, charger externally export electric energy, and the electric energy of output can be stored in battery.
Specifically, the second contact 221 of the first contact 211 in damper cap 210 and the electromagnetic coil 220 on dynamic mount
When contact, it is passed through electric current in electromagnetic coil 220 and generates electromagnetic force, it is outstanding that auxiliary selenoid is added on the basis of permanent magnet suspension in this way
It is floating.Under normal circumstances, when damper amplitude is smaller, only by the suspension of permanent magnet it is achieved that at this point, electromagnetic coil
220 are mainly used for generating electricity by electromagnetic induction.Under special circumstances, when biggish eustasy occurs for decoupling rod 200, damping
The first contact 211 on lid 210 and the second contact 221 of electromagnetic coil 220 on dynamic mount are connected, and the electric current of external cell is logical
Enter electromagnetic coil 220, phase interaction occurs for the magnetic field that electromagnetic coil 220 generates electromagnetic field and the third magnet 230 in decoupling rod 200
Firmly, decoupling rod 200 is made to return to normal suspension range.When the first contact 211 and the second contact 221 disconnect, the electricity of damper
Magnetic coil 220 returns to the generating state for generating electric current, and magnetic suspension shock absorber is in the electromagnetic force suspension range generated beyond permanent magnet
When, electromagnetic coil 220, which is powered, starts electromagnetic suspension.The electromagnetic suspension of the auxiliary of electromagnetic coil 220 is not needed such as, and is not necessarily to electromagnetism
Coil power generation, removes electromagnetic coil 220.The magnetic suspension oscillator of the utility model through can be made bear 2kg, 15kg,
30kg, 50kg permanent-magnet suspended damper, the magnetic suspension shock absorber is mountable on automobile, automobile when the road surface jolted is walked,
When decoupling rod is gone up and down in the through-hole of electromagnetic coil, electromagnetic coil can be produced electricl energy, which is suitable in new
Energy electric vehicle, non-contact-point between decoupling rod and dynamic mount are consumed without oiling.
The magnetic suspension shock absorber of the utility model further includes battery, and battery is connect with electromagnetic coil 220, for storing up
It deposits the electric current of electromagnetic coil generation or is powered to electromagnetic coil 220.When decoupling rod 200 occurs in 220 inner via hole of electromagnetic coil
When lifting, third magnet 230 and the induction of electromagnetic coil 220 generate electric current, and the electric current of generation can be filled with electric power storage by charger
Pond or directly he use.When magnetic suspension shock absorber on electric vehicle in use, electromagnetic coil 220 generate electric current can become electronic
One new source of vehicle energy.In addition, electromagnetic coil 220 is powered when generating magnetic force, magnetic suspension shock absorber can be used as
Maglev a part is assisted, the size that electric current is passed through in electromagnetic coil 220 can be by the input signal of current control device
Regulation realizes the function of active magnetic damping such as trap for automobile intelligent checking system.
The electromagnetic coil 220 of the magnetic suspension shock absorber of the utility model is opposite with the third magnet 230 in decoupling rod 200
It answers, when elevating movement occurs for decoupling rod 200, third magnet 230 is moved relative to electromagnetic coil 220, so that electromagnetic coil 220
Electric current is generated, electromagnetic coil 220 is connected on current control device or power supply using binding post by conducting wire, when traffic such as vehicles
On rough road when driving, eustasy occurs tool for decoupling rod, regulates and controls input electromagnetic coil 220 by current control device
In size of current, control electromagnetic wire 220 generate electromagnetic force size, reduce decoupling rod 200 occur eustasy, utmostly
Reduction decoupling rod vibration.
Wherein, as shown in figure 4, the quantity of dynamic mount 100 is at least two, corresponding dynamic mount through-hole on decoupling rod 200
At least provided with two pieces of third magnets 230, the quantity at least two of electromagnetic coil 220 at position.One decoupling rod 200 passes through more
Through-hole in a dynamic mount 100 corresponds to and is mounted on a third on the decoupling rod 200 on the upside of the through-hole of each dynamic mount 100
Electromagnet 230 forms the multiple dampers being cascaded, and plays the role of damping jointly.The magnetic suspension of the utility model subtracts
Device is shaken with the increase of number of magnets and electromagnetic coil quantity, and the load capacity of magnetic suspension shock absorber is also increase accordingly, and works as series connection
Two vibration isolating mounting units when forming magnetic suspension shock absorber, can suspend 30 kilograms of dead weight cargo.Therefore, magnetic suspension shock absorber
The stability of maglev height and damper can be increased by being superimposed concatenated mode.Multiple magnetic suspension can also be subtracted
Shake device uses side by side, increases the load capacity of magnetic suspension shock absorber and increases the generated energy of electromagnetic coil.In addition, magnetic suspension subtracts
Shake device can also be inverted overturning and use.The magnetic suspension shock absorber of the utility model is easy to install and use, can be widely used in vapour
The vehicles such as vehicle, high-speed rail, ship, aircraft, train, bicycle, motorcycle are also applied for engine, the generations such as generator shake
Dynamic mechanical equipment shock-absorbing noise reduction, and it is suitable for walking class machinery, such as robot.The utility model magnetic suspension shock absorber
Maximum weight suspension is 50 kilograms.The utility model magnetic suspension shock absorber is by magnet according to side dianoetic, maglev height
What height determined, such as 20 centimetres of magnet height, the height of suspension also can achieve 20 centimetres.The height of suspension carries out as needed
Selection, the intensity increase and decrease of the first magnet, the size of the second magnet and third magnet and magnetic field, magnetic suspension shock absorber is in external form ruler
It is very little significantly to select.This magnetic suspension shock absorber non-contact-point, lossless, no oil injecting lubricating, no fatigue, without maintenance, nothing
Energy input, low temperature resistant severe cold is sturdy and durable, and service life indefinitely, it is simple can to manufacture structure with continuous work.
First magnet 110, the second magnet 120 and third magnet 230 of the utility model are made of neodymium iron boron N35 material,
The side-thrust of permanent magnet is usually 20 to 30 times to be self-possessed in magnetic suspension shock absorber.Dynamic mount, decoupling rod and filling block are all made of
The non-magnetic materials such as aluminium alloy, Bai Gang are made, dynamic mount 100, decoupling rod 200, filling block 240, the first magnet 110, the second magnetic
Body 120 and third magnet 230 can be square, rectangle etc..
Preferably, as shown in figure 5, the bottom of the first magnet 110 and the second magnet 120 is equipped on decoupling rod 200
Position-limited wheel 300, the setting of position-limited wheel 300 can further keep decoupling rod to be located in the central through hole of magnetic suspension dynamic mount,
The side wall contact-impact for avoiding decoupling rod 200 Yu 100 through-hole of dynamic mount, extends the service life of magnetic suspension shock absorber.
In one embodiment of the utility model, the magnetic suspension shock absorber of the utility model can also be inverted use, and inversion makes
Used time, what magnetic suspension shock absorber then suspended to decoupling rod 200 using side draw, after decoupling rod 200 carries certain object,
Decoupling rod 200 is pushed down into dynamic mount 100, and 200 part of decoupling rod is in vacant state, and the side draw which bears is most
It is 17 kilograms big.Identical magnet material side draw is greater than side-thrust, which uses combined magnet, and decoupling rod is outstanding
Floating height is determined by the height of the first magnet, the second magnet and third magnet.Homopolarity opposite the first magnet and the second magnetic
Body generates side-thrust in permanent magnet magnetic induction width, and the direction more than the magnetic induction width side-thrust of permanent magnet changes, and becomes
At side draw, become attraction more than magnetic suspension height, due to the effect of side draw, decoupling rod without limiting card not
It is easily detached from, magnetic suspension shock absorber is highly suitable for the severe road of road conditions when being applied on automobile, and it is suitable for engines, power generation
The equipment such as machine, can significant shock-absorbing noise reduction.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (10)
1. a kind of magnetic suspension shock absorber, which is characterized in that
The magnetic suspension shock absorber includes dynamic mount and decoupling rod, has a through-hole among the dynamic mount, the decoupling rod is worn
It crosses the through-hole and can be moved in the through-hole；
Wherein, the through-hole two sides of the dynamic mount are separately installed with the first magnet and the second magnet, first magnet and described
The opposite pole of second magnet is oppositely arranged, and third magnet is equipped in the decoupling rod, and the third magnet is located at described logical
The upper end or lower end in hole, the decoupling rod are suspended in the damping under the action of first magnet and second magnet
The upper end or lower end of frame through-hole, it is described when the third magnet is between first magnet and second magnet
Two magnetic poles of third magnet are opposite with first magnet and the second magnet homopolarity respectively.
2. magnetic suspension shock absorber according to claim 1, which is characterized in that
One end of the decoupling rod is equipped with damper cap.
3. magnetic suspension shock absorber according to claim 1, which is characterized in that
First magnet, the second magnet and third magnet are permanent magnet；
First magnet, the second magnet and third magnet are made of neodymium iron boron N35 material.
4. magnetic suspension shock absorber according to claim 1, which is characterized in that
Dynamic mount through-hole side is equipped with electromagnetic coil, and the interior side through hole that the third magnet may pass through the electromagnetic coil exists
Movement in the through-hole.
5. magnetic suspension shock absorber according to claim 4, which is characterized in that
The decoupling rod is equipped with the first contact, and the top of the electromagnetic coil is equipped with the second contact, and the decoupling rod is moving
During, first contact can be contacted with second contact；
When first contact and second contact contact, the electromagnetic coil is powered, and magnetic force is generated, to the third magnet
Magneticaction is generated, the magnetic suspension force of the decoupling rod is improved.
6. magnetic suspension shock absorber according to claim 4, which is characterized in that
The magnetic suspension shock absorber further includes battery, and the battery is connect with the electromagnetic coil, for storing electromagnetic wire
It encloses the electric current generated or is powered to the electromagnetic coil.
7. magnetic suspension shock absorber according to claim 4, which is characterized in that
The magnetic suspension shock absorber further includes current control device, and the current control device is connect with the electromagnetic coil.
8. magnetic suspension shock absorber according to claim 1, which is characterized in that
The quantity of the dynamic mount is at least two, and the corresponding dynamic mount is equipped at least two blocks of third magnetic on the decoupling rod
Body.
9. magnetic suspension shock absorber according to claim 1, which is characterized in that
The dynamic mount and decoupling rod are all made of non-magnetic material and are made.
10. magnetic suspension shock absorber according to claim 1, which is characterized in that
The bottom of first magnet and the second magnet is equipped with position-limited wheel on the decoupling rod.
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|---|---|---|---|
| CN201820626148.XU CN208169394U (en) | 2018-04-27 | 2018-04-27 | A kind of magnetic suspension shock absorber |
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| CN201820626148.XU CN208169394U (en) | 2018-04-27 | 2018-04-27 | A kind of magnetic suspension shock absorber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877890A (en) * | 2021-01-07 | 2021-06-01 | 武汉纺织大学 | Tubular magnetic suspension knitting needle device and driving method thereof |
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2018
- 2018-04-27 CN CN201820626148.XU patent/CN208169394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877890A (en) * | 2021-01-07 | 2021-06-01 | 武汉纺织大学 | Tubular magnetic suspension knitting needle device and driving method thereof |
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