CN109736182A - One kind is from protection magnetosensitive rubber support - Google Patents
One kind is from protection magnetosensitive rubber support Download PDFInfo
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- CN109736182A CN109736182A CN201910065187.6A CN201910065187A CN109736182A CN 109736182 A CN109736182 A CN 109736182A CN 201910065187 A CN201910065187 A CN 201910065187A CN 109736182 A CN109736182 A CN 109736182A
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- sleeve
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- vibration isolation
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Abstract
The invention belongs to vibration isolating suspension field, it is related to one kind from protection magnetosensitive rubber support, including in top cover, pedestal and the sleeve being arranged between the top cover and the support being oppositely arranged；The two sides of the sleeve are bonded the pedestal and the top cover respectively；The pedestal and the top cover vibration isolation core cell made of magnetic-sensitive material in sleeve are connected；Magnet exciting coil is surrounded between the sleeve and vibration isolation core cell；The present invention forms omnipotent turning joint using shield latch mechanism, can make compensation adjustment to the vibration isolation capability of support under the action of complexity impact；The present invention is applied to miniature precision vibration isolation operating condition, when its encounter a certain size extruding, shearing or certain angle torsional load when, shield latch mechanism and limit magnetic conductive board can play position-limiting action to seat structure by mechanical performance, prevent that support is hit and deforms, self-protecting function is provided for support, enhances the structural integrity and using flexible of support.
Description
Technical field
The invention belongs to vibration isolating suspension fields, are related to a kind of from protection magnetosensitive rubber support.
Background technique
Our times is in the period of scientific and technological high speed development, and the mankind process detection, aerospace, IC in super hot investment casting
Manufacture and the emerging fields such as optical engineering achieve great achievement, simultaneously as these fields are related to numerous subjects, have and are
System is complicated, and level of integrated system is high, system it is excessively accurate to it is easily affected by environment the features such as.Wherein, ambient vibration especially ring
The structure micro-vibration of border micro-vibration and internal system is to influence a very important factor of these Stability of Complex System.Cause
This, these fields propose harsh requirement, micro-vibration control technology to micro-vibration control technology when being designed to system
Also therefore become a front subject.The mechanical oscillation or disturbance for referring to low-level or low amplitude value on micro-vibration ordinary meaning,
It is one of currently used vibration isolation means that passive support is installed between vibration source and vibrated object.The vibration isolation principle of traditional support is logical
It crosses and increases the mode of vibrated object vertical-horizontal rigidity and change its intrinsic frequency, and then achieve the purpose that reduce flutter failure.
But since vibrated object structure may face the vibration of diversified forms and frequency, although traditional passive support is to a certain extent
It can satisfy demand of the vibrated object structure to vibration damping, vibration isolation capability, but when facing big impact, it can not be by adjusting certainly
Body rigidity resists destructive distortion, also can not dissipate what impact energy was subject to reduce structure by adjusting the damping of itself
Damage.Therefore there is researcher for rigidity and the adjustable semi-active vibration-isolating device support of damping characteristic (such as magnetosensitive rubber support) and pass
The passive support of system is applied together in bridge vibrating isolation system, subtracts anti-vibration performance with improve bridge.
Magnetosensitive rubber is a kind of novel intelligent material, it is by macromolecule matrix and to be filled in micron order therein ferromagnetic
Particle is composed.Ferromagnetic particle is magnetized in externally-applied magnetic field and magnetic field force induced effect, to form chain on magnetic direction
Shape or layer structure make it macroscopically show material modulus with the characteristic of outer plus loaded magnetic field variation.It is made by magnetosensitive rubber
Support have the advantages that Stiffness/Damping is controllable simultaneously, stability is good, structure is simple compared with traditional lead core rubber support, together
When it overcome again early stage magnetorheological fluid is easily settled, the shortcomings that need to sealing when using, become structure, mechanical intelligence vibration damping field
The new hot spot of research, and start to be applied among support.
Existing laminated type magnetosensitive rubber vibration isolation seating, between support and magnetosensitive rubber, multilayer magnetosensitive rubber material and company
It connects and is adhesively fixed between steel plate using glue, squeeze-the vibration isolation of shearing work mode.If failed by maxxaedium dry very well
Dry and residual moisture starved or has the gap around bonding site, and curing time is insufficient and causes not to be fully cured, bonding plane anti-corrosion
Situations such as erosion protects improper or protective layer to be destroyed appearance will lead to the damage of vibration isolation core cell；And due to existing laminated type
Magnetosensitive rubber vibration isolation seating is typically only capable to cope with one direction active force longitudinally, laterally, when by multi-direction, multi-angle complexity
When active force, the magnetosensitive rubber as core vibration isolation part is not fixed firmly in the holder to be leaned on and recurring structure is damaged, is detached from, is collapsed
It collapses, causes vibration isolating suspension structure to be destroyed and lose the protective capacities of anti-complicated impact force.Intelligent composite vibration isolating suspension is wanted
It realizes intelligent product, first has to guarantee structure safe, so the structure adaptive of magnetosensitive rubber support and impact are protected certainly
Ability is particularly important.
Therefore, design a kind of reinforcement material connect with support and support this body structure position limitation protection from protection magnetosensitive
Rubber vibration isolation seating has a very important significance micro-vibration control technology.
Summary of the invention
In view of this, the purpose of the present invention is to provide one kind can work under the complexing actions power such as extruding, shearing, torsion
From protection magnetosensitive rubber support, propose structure optimization, make support that still there is self-protecting function under complicated active force,
When the torsional load of a certain size extruding, shearing or certain angle, shield latch mechanism and limit magnetic conductive board can pass through mechanicalness
Position-limiting action can be played to seat structure, support is prevented to be hit and deform, provide self-protecting function for support.
In order to achieve the above objectives, the invention provides the following technical scheme:
One kind is from protection magnetosensitive rubber support, including being in the top cover being oppositely arranged, pedestal and being arranged in the top cover
Sleeve between the support；The two sides of the sleeve are bonded the pedestal and the top cover respectively；The pedestal and described
Top cover is connected in sleeve by vibration isolation core cell；The vibration isolation core cell is made of magnetic-sensitive material；The sleeve and every
Magnet exciting coil is surrounded between vibration core cell.
Optionally, the vibration isolation core cell includes the several layers vibration isolator being stacked with.
Optionally, the limit magnetic conductive board for fixing adjacent vibration isolator is equipped between adjacent vibration isolator.
Optionally, the groove being mutually matched is equipped on the contact surface of adjacent vibration isolator；The two of the limit magnetic conductive board
Side is equipped with the protrusion for matching with the groove.
Optionally, adjacent vibration isolator uses instant drying adhesive or conductive silver glue adhesion.
Optionally, it is connected between the top cover and the sleeve by shield latch mechanism, the shield latch mechanism is equipped with several,
Circular array setting.
Optionally, the shield latch mechanism includes the limiting section at both ends and for connecting the connecting rod of two limiting sections；The top
The matching hole to match with limiting section size is equipped on bar and sleeve, the limiting section is inserted in respectively in mandril and sleeve
Matching hole is limited.
Optionally, the limiting section and the matching hole are clearance fit.
Optionally, the limiting section is hemispherical, hook or column.
It optionally, further include bobbin winder bracket for fixed excitation coil, the bobbin winder bracket is arranged in sleeve and vibration isolation core
In toroidal cavity between unit, the magnet exciting coil winding is arranged on bobbin winder bracket.
Optionally, the magnetic-sensitive material is magnetosensitive rubber.
Optionally, further include power supply for excitation coil, for providing different size of electric current to change vibration isolation
The rigidity of core cell adapts to the vibratory impulse of varying strength.
The beneficial effects of the present invention are:
The present invention will protect latch mechanism and limit magnetic conductive board applies in vibration isolating suspension, be optimized for a kind of from protection magnetosensitive rubber
Glue support.Support entirety magnetic property can be enhanced, magnetosensitive rubber is made to have better magnetic rheology effect；In addition to this, it is multi-direction,
Under the micro-vibration operating condition of multi-angle, if the support exceed specified vibration isolation range, or when support not horizontal plane work when, make
For core vibration isolation part vibration isolation core cell in the holder will not because of be not fixed firmly lean on and occur be detached from, avalanche；It is encountering
When the torsional load of a certain size extruding, shearing or certain angle, shield latch mechanism and limit magnetic conductive board can pass through mechanicalness
Position-limiting action can be played to seat structure, support is prevented to be hit and deform, provide self-protecting function for support, enhance branch
The structural integrity and using flexible of seat.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram for limiting magnetic conductive board；
Fig. 2 a is the main view for limiting magnetic conductive board；
Fig. 2 b is the top view for limiting magnetic conductive board；
Fig. 3 is the structural schematic diagram for protecting latch mechanism.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Please refer to Fig. 1-Fig. 3, the element numbers in attached drawing respectively indicate: pedestal 1, sleeve 2, top cover 3, limit magnetic conductive board 4,
Vibration isolator 5, shield latch mechanism 6, bobbin winder bracket 7, magnet exciting coil 8.
The present invention provides one kind from protection magnetosensitive rubber support, including in be oppositely arranged top cover 3, pedestal 1 and
Sleeve 2 between the top cover 3 and the support is set；The two sides of the sleeve 2 are bonded the pedestal 1 and the top respectively
Lid 3；The pedestal 1 and the top cover 3 are connected in sleeve 2 by vibration isolation core cell；The vibration isolation core cell is by magnetosensitive
Material is made；Magnet exciting coil 8 is surrounded between the sleeve 2 and vibration isolation core cell.
Optionally, the vibration isolation core cell includes the several layers vibration isolator 5 being stacked with；Between adjacent vibration isolator 5
Equipped with the limit magnetic conductive board 4 for fixing adjacent vibration isolator 5；It is equipped with and is mutually matched on the contact surface of adjacent vibration isolator 5
Groove；The two sides of the limit magnetic conductive board 4 are equipped with the protrusion for matching with the groove；Adjacent vibration isolator 5 is adopted
With instant drying adhesive or conductive silver glue adhesion；It is connected between the top cover 3 and the sleeve 2 by shield latch mechanism 6, the shield latch mechanism
6 are equipped with several, circular array setting；The limiting section of the shield latch mechanism 6 including both ends and for connecting two limiting sections
Connecting rod；The matching hole to match with limiting section size is equipped on the mandril and sleeve 2, the limiting section is inserted in top respectively
Matching hole in bar and sleeve 2 is limited；The limiting section and the matching hole are clearance fit；The limiting section is in half
Spherical, hook or column；Further include the bobbin winder bracket 7 for fixed excitation coil 8, the bobbin winder bracket 7 setting sleeve 2 with every
In toroidal cavity between vibration core cell, the winding of magnet exciting coil 8 is arranged on bobbin winder bracket 7；The magnetic-sensitive material is magnetic
Quick rubber；It further include the power supply for excitation coil 8, for providing different size of electric current to change vibration isolation core cell
Rigidity, adapt to the vibratory impulse of varying strength.
The shield lock that joined between limit magnetic conductive board 4 and top cover 3 and sleeve 2 in vibration isolation core cell in the present invention
Mechanism 6 is used as adaptive mechanism.Limit magnetic conductive board 4 and protect latch mechanism 6 enhance support from protective performance and adaptive performance；
Magnetic conductive board 4 and shield latch mechanism 6 are limited herein in connection with its own material property, excitation effect is played in overall structure, to mention
High vibration isolation core cell mechanics, electric property.Support of the invention carries out simulation analysis in multiple physical field coupling Simulation software,
Show that the structure after limit magnetic conductive board 4 and shield latch mechanism 6 is added has better magnetic conduction ability.
Vibration isolation core cell is made of N (N >=3) layer vibration isolator and N-1 layers of limit magnetic conductive board 4 stacking, its in the present embodiment
Generally cylindrical body, upper and lower ends are connected with top cover 3 and pedestal 1 respectively after lamination.Vibration isolator 5 and limit magnetic conductive board 4 and branch
Seated connection contacting surface is limited magnetic conductive board 4 and is set using center protrusion small cylinder using glue adhesions such as instant drying adhesive or conductive silver glues
It counts, inside embeddable vibration isolator 5, enables vibration isolation core cell to keep secured state in the case where high intensity stretches, guarantee to optimize
Mechanical property of the vibration isolating suspension under shear mode is improved while support excitation effect；The protrusion of magnetic conductive board 4 part is limited except small
It can also be the shapes such as bucking ladder, centrum, hexahedron outside cylindrical shape, protruding number and array layout can also be adjusted,
The excitation position-limiting action to vibration isolation core cell can be played.In conjunction with support overall dimensions of the invention, vibration isolation core cell is high
In the case that degree is fixed, 5 number of plies N of vibration isolator takes 3 layers, it can realizes multilayer vibration isolation, sensing, and can satisfy each piece of vibration isolation
Pad 5 has enough anti-extrusion thickness.In vibration isolation core cell lamination, the vibration isolator 5 at both ends has a unilateral groove, among lamination
Vibration isolator 5 have bilateral groove for be embedded in limit magnetic conductive board 4.
Between top cover 3 and sleeve 2, annular array installation shield latch mechanism 6 selects M (M >=8) a rod-shaped small steel ball, installation
Omnipotent turning joint is formed after into matching hole, compensation adjustment can be made to support vibration isolation capability under complexity impact；In conjunction with this
The support overall dimensions of invention, it is contemplated that shield latch mechanism 6 protect angle need wider and its installation cannot excessively factors such as complexity,
The support of the present embodiment selects 16 rod-shaped small steel balls as shield latch mechanism 6, according to the overall dimensions of vibration isolating suspension or specifically every
Vibration demand can more modify tone its whole array quantity, can also arrange in several annulars.Rod-shaped small steel ball both ends are to have certain thickness
Fan shape, intermediate connecting rod is cuboid；The annular array matching hole of top cover 3 and sleeve 2 is rectangular opening, and inside is hemispherical
Hole.When assembly, the hole location that every rod-shaped shield latch mechanism 6 is directed at top cover 3 and sleeve 2 is inserted into, then rotate an angle [alpha] (α ≠
K180 °, k is natural number) so that shield latch mechanism 6 is stuck between upper and lower limit hole.Since internal hemisphere hole location radius is greater than
The radius of 6 both ends limiting section of latch mechanism is protected, therefore the shield latch mechanism 6 assembled is not influencing support normal extrusion, shearing, torsion work
Under the premise of work, play the role of limit, its structure is also not easily to fall off when support is not in horizontal plane work, enhances support
Structure is from protective performance and vibration isolation adaptive performance；The limiting section for protecting 6 both ends of latch mechanism can also be spherical, sheet, double end hook
Deng array quantity also can adjust, and single 6 unit sizes of latch mechanism of protecting can be adjusted according to the overall dimensions of array quantity or support
It is whole, it is installed between top cover 3 and sleeve 2, can play the limit function to vibration isolating suspension from protection.At the same time, exist
Shield latch mechanism 6 can provide magnetic conduction effect after magnet exciting coil 8 generates magnetic field, optimize support entirety excitation effect.
Pedestal 1, sleeve 2, top cover 3, limit magnetic conductive board 4, shield latch mechanism 6 be it is solid, material be magnetic permeability it is higher
No. 10 steel of low-carbon.The ring-shape field coil unit 8 that bobbin winder bracket 7 and magnet exciting coil 8 form is made by aluminium alloy for vibration isolation core cell
It surrounds, being passed through different size of electric current to magnet exciting coil 8 can produce the different magnetic field of intensity；When magnetic field pass through vibration isolator 5, make every
The rigidity of vibration pad 5 changes, to change the anti-vibration performance of support, to adapt to varying strength vibratory impulse.
About extrusion load vibration isolation from protection: when the present invention is squeezed load, shield latch mechanism 6 does not influence vibration isolator
5 vibration isolating effect, when pressure is excessive, the rod-shaped small steel ball upper end of shield latch mechanism 6 is resisted at the top of the limit hole of top cover 3, makes to carry
Lotus will not increase again to which mostly degree squeezes vibration isolator 5, play the role of longitudinal spacing protection.
About shear action vibration isolation from protection: when the present invention is by shear force, shield latch mechanism 6 does not influence vibration isolation
5 vibration isolating effects are padded, when shearing force is excessive, the limiting section upper and lower ends of shield latch mechanism 6 resist corresponding limit hole bottom,
Magnetic conductive board 4 is limited due to insert material, increase load will not and falling off vibration isolator 5 again, therefore seat structure will not meet with
To destruction, play the role of vertically and horizontally position limitation protection.
About torsional load vibration isolation from protection: when the present invention is by torsional load, shield latch mechanism 6 does not influence vibration isolator
5 vibration isolating effects, when twisting resistance is excessive, the limiting section upper and lower ends of shield latch mechanism 6 resist corresponding limit hole bottom, make
Load will not increase again and the glue of 5 upper and lower surface of vibration isolator falls off, therefore seat structure will not be destroyed, and play torsion
Turn the effect of position limitation protection.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of from protection magnetosensitive rubber support, it is characterised in that:
Including in top cover, pedestal and the sleeve being arranged between the top cover and the support being oppositely arranged；
The two sides of the sleeve are bonded the pedestal and the top cover respectively；
The pedestal and the top cover are connected in sleeve by vibration isolation core cell；
The vibration isolation core cell is made of magnetic-sensitive material；
Magnet exciting coil is surrounded between the sleeve and vibration isolation core cell.
2. as described in claim 1 from protection magnetosensitive rubber support, it is characterised in that: the vibration isolation core cell includes
The several layers vibration isolator being stacked with.
3. as described in claim 2 from protection magnetosensitive rubber support, it is characterised in that: be equipped between adjacent vibration isolator
For fixing the limit magnetic conductive board of adjacent vibration isolator.
4. as described in claim 3 from protection magnetosensitive rubber support, it is characterised in that: the contact surface of adjacent vibration isolator
On be equipped with the groove being mutually matched；The two sides of the limit magnetic conductive board are equipped with the protrusion for matching with the groove.
5. as described in claim 2 from protection magnetosensitive rubber support, it is characterised in that: adjacent vibration isolator is dry using wink
Glue or conductive silver glue adhesion.
6. as described in claim 1 from protection magnetosensitive rubber support, it is characterised in that: the top cover and the sleeve it
Between by shield latch mechanism be connected, the shield latch mechanism be equipped with several, circular array be arranged.
7. as described in claim 6 from protection magnetosensitive rubber support, it is characterised in that: the shield latch mechanism includes both ends
Limiting section and for connecting the connecting rod of two limiting sections；It is equipped on the mandril and sleeve and matches with limiting section size
Matching hole, the matching hole that the limiting section is inserted in respectively in mandril and sleeve are limited.
8. as described in claim 7 from protection magnetosensitive rubber support, it is characterised in that: the limiting section and the cooperation
Hole is clearance fit.
9. as described in claim 7 from protection magnetosensitive rubber support, it is characterised in that: the limiting section is hemispherical,
Hook or column.
10. as described in claim 1 from protection magnetosensitive rubber support, it is characterised in that: further include for fixed excitation
The bobbin winder bracket of coil, the bobbin winder bracket are arranged in the toroidal cavity between sleeve and vibration isolation core cell, the magnet exciting coil
Winding is arranged on bobbin winder bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065187.6A CN109736182B (en) | 2019-01-23 | 2019-01-23 | Self-protection type magnetic-sensitive rubber support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065187.6A CN109736182B (en) | 2019-01-23 | 2019-01-23 | Self-protection type magnetic-sensitive rubber support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109736182A true CN109736182A (en) | 2019-05-10 |
| CN109736182B CN109736182B (en) | 2021-05-11 |
Family
ID=66365861
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910065187.6A Active CN109736182B (en) | 2019-01-23 | 2019-01-23 | Self-protection type magnetic-sensitive rubber support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143245A (en) * | 2019-05-28 | 2019-08-20 | 重庆邮电大学 | A kind of magnetic control bionic adhesion sole device based on magnetosensitive pasting material |
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| CN204267584U (en) * | 2014-11-17 | 2015-04-15 | 长安大学 | A kind of MR elastomer vibration isolator |
| CN104989001A (en) * | 2015-06-24 | 2015-10-21 | 上海核工程研究设计院 | Anti-pulling shearing locking device |
| RU167977U1 (en) * | 2016-07-08 | 2017-01-13 | Общество с ограниченной ответственностью "СК Стройкомплекс-5" | DEVICE FOR EXTINGUISHING SHOCK AND VIBRATION INFLUENCE |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004190776A (en) * | 2002-12-11 | 2004-07-08 | Hitachi Zosen Corp | Bearing device using magnetic viscous fluid |
| CN102733483A (en) * | 2012-07-02 | 2012-10-17 | 大连理工大学 | Variable rigidity shock insulation integral intelligent support seat |
| CN204267584U (en) * | 2014-11-17 | 2015-04-15 | 长安大学 | A kind of MR elastomer vibration isolator |
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| CN109736182B (en) | 2021-05-11 |
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