CN206874653U - A kind of device based on permanent magnet suspension Yu air supporting composite support - Google Patents
A kind of device based on permanent magnet suspension Yu air supporting composite support Download PDFInfo
- Publication number
- CN206874653U CN206874653U CN201720483881.6U CN201720483881U CN206874653U CN 206874653 U CN206874653 U CN 206874653U CN 201720483881 U CN201720483881 U CN 201720483881U CN 206874653 U CN206874653 U CN 206874653U
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- CN
- China
- Prior art keywords
- permanent magnetism
- air
- aerostatic bearing
- bulk
- pressure sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 239000000725 suspension Substances 0.000 title claims abstract description 10
- 230000005389 magnetism Effects 0.000 claims abstract description 51
- 230000035939 shock Effects 0.000 claims abstract description 15
- 239000004411 aluminium Substances 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 9
- 230000002706 hydrostatic effect Effects 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 239000000696 magnetic material Substances 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
A kind of device based on permanent magnet suspension Yu air supporting composite support is the utility model is related to, belongs to precise machining equipment technical field.The utility model includes pedestal, shock insulation platform, the part such as permanent magnetism bulk I, permanent magnetism bulk II, industrial aviation aluminium;The permanent magnetism bulk I is positioned on horizontal shock insulation platform, permanent magnetism bulk II is embedded in inside industrial aviation aluminium, industrial aviation aluminium and permanent magnetism bulk II collectively form aerostatic bearing, aerostatic bearing stomata is placed on downwards the center of permanent magnetism bulk I, pressure sensor is placed on above aerostatic bearing, and pressure sensor display instrument is connected into pressure sensor.The utility model is simple to operate, and balance is stable;Requirement of the aerostatic bearing startup stage without mechanical friction can be met by permanent magnet in aerostatic bearing, to reduce fretting wear;Reliability is high and is easily achieved, safe.
Description
Technical field
A kind of device based on permanent magnet suspension Yu air supporting composite support is the utility model is related to, belongs to precise machining equipment skill
Art field.
Background technology
Aerostatic bearing has ultralow coefficient of friction and very high kinematic accuracy, to ring using air as lubricant medium
The border such as tolerance such as low temperature, high temperature, radiation is stronger, is widely applied in Aero-Space and precision optical machinery, with sky
Gas static pressure bearing is in the extensive use of every field, the required precision more and more higher that can reach to it, the air of traditional structure
Hydrostatic bearing surface and ultra precise workbench surface directly contact, and materially increase friction during start-up operation
Resistance, mechanism can be caused to enter stable state later, so as to influence the overall flexibility of mechanism, while will also result in zero, mechanism
The abrasion of part.Secondly as the compressibility of gas is larger, the deficiency of low bearing capacity be present, it is desirable to increase unique side of carrying
Formula is exactly to increase supply gas pressure, and the requirement to air compressor is higher.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of device based on permanent magnet suspension Yu air supporting composite support,
It can meet requirement of the aerostatic bearing startup stage without mechanical friction by using permanent magnet in composite bearing, be rubbed with reducing
Scouring is damaged, and provides a certain proportion of bearing capacity in stable operation stage, reduces the requirement to supplying pressure.In composite bearing
Hydrostatic portion improves stabilization sub stage rotor axial rigidity, enhancing resistance to shock loads to make up the defects of permanent-magnet rigidity is small
Ability.Shock insulation platform and permanent magnetism bulk reduce error simultaneously, improve precision, ensure result accuracy.
The technical solution adopted in the utility model is:A kind of device based on permanent magnet suspension Yu air supporting composite support, including
Pedestal, shock insulation platform 1, permanent magnetism bulk I 2, permanent magnetism bulk II 4, industrial aviation aluminium 3, pressure sensor display instrument 5, pressure sensing
Device 6, support 7, cylinder 8, choke valve 9, air inlet pipe 10, pressure-regulating valve 11, pressure gauge 12, air compressor 13;
Described shock insulation platform 1 is placed on pedestal, and permanent magnetism bulk I 2 is positioned on horizontal shock insulation platform 1, permanent magnets
Material II 4 is embedded in inside industrial aviation aluminium 3, and industrial aviation aluminium 3 and permanent magnetism bulk II 4 collectively form aerostatic bearing, and air is quiet
Last item holds the center that stomata is placed on downwards permanent magnetism bulk I 2, and pressure sensor 6 is placed on above aerostatic bearing, pressure
Force snesor display instrument 5 is connected to pressure sensor 6, and air compressor 13 is quiet to cylinder 8 and air respectively by air inlet pipe 10
Last item holds supply, and pressure gauge 12 and pressure-regulating valve 11, air compressor 13 and static air pressure axle are mounted in air inlet pipe 10
Hold and choke valve 9 is additionally provided with the air inlet pipe 10 of connection, choke valve 9 is located at aerostatic bearing front end, and cylinder 8 is fixed on support 7
Surface upper and positioned at aerostatic bearing, the other end of aerostatic bearing air inlet pipe 10 are connected to air compressor 13,
Source of the gas is provided by air compressor 13.
Preferably, described choke valve 9 is threaded in the air inlet pipe that air compressor 13 is connected with aerostatic bearing
On 10.
Preferably, described permanent magnetism bulk I 2 and permanent magnetism bulk II 4 are by permanent magnetism material powder and as binding agent
The composite that ductile material is combined.
Operation principle of the present utility model is:Due to the repulsive force between permanent magnetism bulk I 2 and permanent magnetism bulk II 4, make air
Form a certain proportion of air film gap between hydrostatic bearing and permanent magnetism bulk I 2, the gap length can be by changing the pressure of cylinder 9
Power size changes, and the pressure of cylinder 9 can be detected by pressure sensor, available for studying different air-film thickness conditions
Under, the stability of space hydrostatic bearing, while requirement of the aerostatic bearing startup stage without mechanical friction can be met, and steady
The a certain proportion of bearing capacity of operation phase offer is provided.After air compressor 13 supplies to aerostatic bearing, aerostatic bearing
Air film in uniform thickness is formed between permanent magnetism bulk I 2, aerostatic bearing is floated over the top of permanent magnetism bulk I 2, then carries out
Steady operation.The composite that permanent magnetism bulk I 2 and permanent magnetism bulk II 4 use because it contains a certain proportion of binding agent, therefore its
Magnetic property significantly reduces than the magnetic material of corresponding no binding agent.
In addition to metal composite permanent-magnet material, other composite permanent-magnetic materials by binding agent heat resistance by being limited, temperature in use
It is relatively low, it is usually no more than 150 DEG C.But composite permanent-magnetic material dimensional accuracy is high, good mechanical property, magnet each several part performance uniformity
It is good, it is easy to carry out that magnet is radial oriented and multipole magnetization.Simultaneously in aerostatic bearing hydrostatic portion making up permanent-magnet
The defects of rigidity is small, improve stabilization sub stage rotor axial rigidity, enhancing resistance to shock loads ability.Now supplied to aerostatic bearing
Gas, you can be directly entered steady-working state.
Specific formula is as follows:
Permanent magnet magnetic field force calculation formula between permanent magnetism bulk I 2 and permanent magnetism bulk II 4:
Wherein:
。
The beneficial effects of the utility model are:
1. startup stage, buoyancy was strong, good economy performance, and energy-conservation, security is good, and balance is stable without friction;
2. device technique is succinct, simple operation, reduce into the time for stablizing operation;
3. simple in construction, no fretting wear, rotating speed is high.
4. the permanent magnetism bulk used is answers by permanent magnetism material powder and as what the ductile material of binding agent was combined
Condensation material, it is a kind of with wide hysteresis curve, high-coercive force, high remanent magnetism, and the material of constant magnetic can be kept once magnetization.
Brief description of the drawings
Fig. 1 is Integral connection structure figure of the present utility model;
Fig. 2 is the structure chart of aerostatic bearing of the present utility model.
In figure respectively marked as:Shock insulation platform -1, permanent magnetism bulk I -2, permanent magnetism bulk II -4, industrial aviation aluminium -3, pressure pass
Sensor display instrument -5, pressure sensor -6, support -7, cylinder -8, choke valve -9, air inlet pipe -10, pressure-regulating valve -11, pressure
Table -12, air compressor -13.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is further detailed.
Embodiment 1:As shown in Figure 1-2, a kind of device based on permanent magnet suspension Yu air supporting composite support, including pedestal, every
Shake platform 1, permanent magnetism bulk I 2, permanent magnetism bulk II 4, industrial aviation aluminium 3, pressure sensor display instrument 5, pressure sensor 6, support
7th, cylinder 8, choke valve 9, air inlet pipe 10, pressure-regulating valve 11, pressure gauge 12, air compressor 13;
Described shock insulation platform 1 is placed on pedestal, and permanent magnetism bulk I 2 is positioned on horizontal shock insulation platform 1, permanent magnets
Material II 4 is embedded in inside industrial aviation aluminium 3, and industrial aviation aluminium 3 and permanent magnetism bulk II 4 collectively form aerostatic bearing, and air is quiet
Last item holds the center that stomata is placed on downwards permanent magnetism bulk I 2, and pressure sensor 6 is placed on above aerostatic bearing, is used
In the detection downward pressure applied value of cylinder 8, pressure sensor display instrument 5 is connected to pressure sensor 6, pressure sensor shows
Show that instrument 5 is used to show the pressure that pressure sensor 6 detects, air compressor 13 is by air inlet pipe 10 respectively to cylinder 8 and sky
Gas static pressure bearing supplies, and is mounted on pressure gauge 12 and pressure-regulating valve 11 in air inlet pipe 10, air compressor 13 and air are quiet
Last item holds and choke valve 9 is additionally provided with the air inlet pipe 10 of connection, and choke valve 9 is located at aerostatic bearing front end, and cylinder 8 is fixed on branch
On frame 7 and positioned at the surface of aerostatic bearing.
Further, described choke valve 9 is threaded in the air inlet that air compressor 13 is connected with aerostatic bearing
It is simple in construction on pipe 10, it is easy for installation.
Further, described permanent magnetism bulk I 2 and permanent magnetism bulk II 4 are by permanent magnetism material powder and as binding agent
The composite that is combined of ductile material, it be it is a kind of there is wide hysteresis curve, high-coercive force, high remanent magnetism, once magnetization
The material of constant magnetic can be kept.
Due to the repulsive force between permanent magnetism bulk I 2 and permanent magnetism bulk II 4, make aerostatic bearing and permanent magnetism bulk I 2 it
Between form a certain proportion of air film gap, the gap length can be changed by changing the size of load, different available for research
Under the conditions of air-film thickness, the stability of space hydrostatic bearing, while aerostatic bearing startup stage can be met without mechanical friction
Requirement, and provide a certain proportion of bearing capacity in stable operation stage.Permanent magnetism bulk I 2 and permanent magnetism bulk II 4 use compound
Material is because it contains a certain proportion of binding agent, therefore its magnetic property is than the corresponding notable drop of magnetic material without binding agent
It is low.And the utility model composite permanent-magnetic material dimensional accuracy is high, good mechanical property, magnet each several part performance uniformity is good, is easy to
Carry out that magnet is radial oriented and multipole magnetization.Hydrostatic portion in aerostatic bearing simultaneously(The gas that i.e. air compressor 13 flows out
Body passes through the pressure of the air inlet hydrostatic bearing of choke valve 9)To make up the defects of conduction magnetic force rigidity is small, the stabilization sub stage is improved
Rotor axial rigidity, enhancing resistance to shock loads ability.Now supplied to aerostatic bearing, you can be directly entered steady operation shape
State.
Specific embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not
It is limited to above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, this practicality can also be not being departed from
Various changes can be made on the premise of new objective.
Claims (3)
- A kind of 1. device based on permanent magnet suspension Yu air supporting composite support, it is characterised in that:Including pedestal, shock insulation platform(1), forever Magnetic patch material I(2), permanent magnetism bulk II(4), industrial aviation aluminium(3), pressure sensor display instrument(5), pressure sensor(6), support (7), cylinder(8), choke valve(9), air inlet pipe(10), pressure-regulating valve(11), pressure gauge(12), air compressor(13);Described shock insulation platform(1)It is placed on pedestal, permanent magnetism bulk I(2)It is positioned over horizontal shock insulation platform(1)On, permanent magnetism Bulk II(4)Embedded industrial aviation aluminium(3)Inside, industrial aviation aluminium(3)With permanent magnetism bulk II(4)Collectively form static air pressure axle Hold, aerostatic bearing stomata is placed on downwards permanent magnetism bulk I(2)Center, pressure sensor(6)It is quiet to be placed on air Last item holds top, pressure sensor display instrument(5)It is connected to pressure sensor(6), air compressor(13)Pass through air inlet pipe (10)Respectively to cylinder(8)Supplied with aerostatic bearing, air inlet pipe(10)On be mounted on pressure gauge(12)Adjusted with pressure Valve(11), air compressor(13)The air inlet pipe being connected with aerostatic bearing(10)On be additionally provided with choke valve(9), choke valve (9)Positioned at aerostatic bearing front end, cylinder(8)It is fixed on support(7)Surface upper and positioned at aerostatic bearing, air Hydrostatic bearing air inlet pipe(10)The other end be connected to air compressor(13), pass through air compressor(13)Source of the gas is provided.
- A kind of 2. device based on permanent magnet suspension Yu air supporting composite support according to claim 1, it is characterised in that:It is described Choke valve(9)It is threaded in air compressor(13)The air inlet pipe being connected with aerostatic bearing(10)On.
- A kind of 3. device based on permanent magnet suspension Yu air supporting composite support according to claim 1, it is characterised in that:It is described Permanent magnetism bulk I(2)With permanent magnetism bulk II(4)To be combined by permanent magnetism material powder and as the ductile material of binding agent Composite.
Priority Applications (1)
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CN201720483881.6U CN206874653U (en) | 2017-05-04 | 2017-05-04 | A kind of device based on permanent magnet suspension Yu air supporting composite support |
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CN201720483881.6U CN206874653U (en) | 2017-05-04 | 2017-05-04 | A kind of device based on permanent magnet suspension Yu air supporting composite support |
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CN201720483881.6U Expired - Fee Related CN206874653U (en) | 2017-05-04 | 2017-05-04 | A kind of device based on permanent magnet suspension Yu air supporting composite support |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112780678A (en) * | 2021-01-05 | 2021-05-11 | 昆明理工大学 | Ultra-smooth air static pressure thrust bearing support system |
CN113027931A (en) * | 2021-03-25 | 2021-06-25 | 南京客棹歌贸易有限公司 | Air cushion suspension bearing seat of industrial robot |
-
2017
- 2017-05-04 CN CN201720483881.6U patent/CN206874653U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112780678A (en) * | 2021-01-05 | 2021-05-11 | 昆明理工大学 | Ultra-smooth air static pressure thrust bearing support system |
CN113027931A (en) * | 2021-03-25 | 2021-06-25 | 南京客棹歌贸易有限公司 | Air cushion suspension bearing seat of industrial robot |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20190504 |