CN206874654U - A kind of based superconductive magnetic suspension and the device of air supporting composite support - Google Patents
A kind of based superconductive magnetic suspension and the device of air supporting composite support Download PDFInfo
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- CN206874654U CN206874654U CN201720483927.4U CN201720483927U CN206874654U CN 206874654 U CN206874654 U CN 206874654U CN 201720483927 U CN201720483927 U CN 201720483927U CN 206874654 U CN206874654 U CN 206874654U
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- China
- Prior art keywords
- pressure sensor
- air
- pressure
- permanent magnetism
- aerostatic bearing
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- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 13
- 239000000725 suspension Substances 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 22
- 230000005389 magnetism Effects 0.000 claims abstract description 20
- 239000004411 aluminium Substances 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 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 10
- 229910021521 yttrium barium copper oxide Inorganic materials 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002887 superconductor Substances 0.000 claims description 4
- BTGZYWWSOPEHMM-UHFFFAOYSA-N [O].[Cu].[Y].[Ba] Chemical compound [O].[Cu].[Y].[Ba] BTGZYWWSOPEHMM-UHFFFAOYSA-N 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005292 diamagnetic effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The device of a kind of based superconductive magnetic suspension and air supporting composite support is the utility model is related to, belongs to precise machining equipment technical field.The utility model includes vibration-isolating platform, permanent magnetism bulk, superconduction block material, the parts such as industrial aviation aluminium, permanent magnetism bulk is positioned on horizontal vibration-isolating platform, pressure sensor display instrument is placed on the right side of vibration-isolating platform and is positioned on pedestal, superconduction block material is embedded in inside industrial aviation aluminium, the two collectively forms aerostatic bearing, the stomata of aerostatic bearing is placed on downwards the center of permanent magnetism bulk, pressure sensor is placed on above aerostatic bearing and horizontal positioned, pressure sensor display instrument is connected with pressure sensor, latch location tray is positioned over directly over pressure sensor, balancing weight is positioned in latch location tray, to adjust pressure size, air compressor is supplied by air inlet pipe to aerostatic bearing, the utility model model simplification, it is readily appreciated that, it is simple to operate, balance is stable.
Description
Technical field
The device of a kind of based superconductive magnetic suspension and air supporting composite support is the utility model is related to, belongs to precise machining equipment
Technical 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 the dress of a kind of based superconductive magnetic suspension and air supporting composite support
Put, requirement of the aerostatic bearing startup stage without mechanical friction can be met, to reduce fretting wear.
The utility model use following technical scheme be:A kind of based superconductive magnetic suspension and the dress of air supporting composite support
Put, including pedestal, vibration-isolating platform 1, pressure sensor display instrument 2, permanent magnetism bulk 3, superconduction block material 4, industrial aviation aluminium 5, pressure
Sensor 6, latch location tray 7, balancing weight 8, choke valve 9, air inlet pipe 10, pressure-regulating valve 11, pressure gauge 12, air compression
Machine 13;
Described vibration-isolating platform 1 is placed on pedestal, and permanent magnetism bulk 3 is positioned on horizontal vibration-isolating platform 1, meanwhile, pressure
Force snesor display instrument 2 is placed on the right side of vibration-isolating platform 1 and is positioned on pedestal, and superconduction block material 4 is embedded in industrial aviation aluminium 5
Portion, the two collectively forms aerostatic bearing, and the stomata of aerostatic bearing is placed on downwards the center of permanent magnetism bulk 3,
Pressure sensor 6 is placed on above aerostatic bearing and horizontal positioned, by pressure sensor display instrument 2 and pressure sensor 6
Connection, latch location tray 7 being positioned over directly over pressure sensor 6, balancing weight 8 is positioned in latch location tray 7, to
Pressure size is adjusted, air compressor 13 is supplied by air inlet pipe 10 to aerostatic bearing, and pressure is provided with air inlet pipe 10
Regulating valve 11, pressure gauge 12, choke valve 9.
Preferably, described choke valve 9 is threadedly coupled with air inlet pipe 10.
Preferably, described superconduction block material 4 is yttrium barium copper oxide ceramic superconductor.
Preferably, described latch location tray 7 is provided with annular mounting groove, and balancing weight 8 is annular.
Operation principle of the present utility model is:Liquid nitrogen is injected to superconduction block material 4 first, due to this cryogenic media of liquid nitrogen
Low glutinous characteristic, make to be formed thickness between superconduction block material 4 and permanent magnetism bulk 3 100Following air film I, so that static air pressure
Minim gap is formed between bearing and permanent magnetism bulk 3, requirement of the aerostatic bearing startup stage without mechanical friction can be met, and
A certain proportion of bearing capacity is provided in stable operation stage, then by placing balancing weight 8 in latch location tray 7, makes to insert
Finger setting pallet 7 provides pressure to aerostatic bearing, it is ensured that the thickness of air film I is 100Hereinafter, last air compressor
13 are supplied by air inlet pipe 10 to aerostatic bearing, are made to form new air film II between superconduction block material 4 and permanent magnetism bulk 3, are entered
And various experiments can be carried out to the present apparatus.
The utility model has the advantage that:
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 superconduction block material used is yttrium barium copper oxide(YBCO)Ceramic superconductor, it has good diamagnetic characteristic and magnetic flux
Pinning properties.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model;
Fig. 2 is the structure chart of aerostatic bearing in the utility model.
In figure respectively marked as:Vibration-isolating platform -1, pressure sensor display instrument -2, permanent magnetism bulk -3, superconduction block material -4, industry
Aviation aluminium -5, pressure sensor -6, latch location tray -7, balancing weight -8, choke valve -9, air inlet pipe -10, pressure-regulating valve -
11st, pressure gauge -12, air compressor -13.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
A kind of based superconductive magnetic suspension and the device of air supporting composite support, including pedestal, vibration-isolating platform 1, pressure sensor
Display instrument 2, permanent magnetism bulk 3, superconduction block material 4, industrial aviation aluminium 5, pressure sensor 6, latch location tray 7, balancing weight 8, section
Flow valve 9, air inlet pipe 10, pressure-regulating valve 11, pressure gauge 12, air compressor 13;
Described vibration-isolating platform 1 is placed on pedestal, and permanent magnetism bulk 3 is positioned on horizontal vibration-isolating platform 1, meanwhile, pressure
Force snesor display instrument 2 is placed on the right side of vibration-isolating platform 1 and is positioned on pedestal, and superconduction block material 4 is embedded in industrial aviation aluminium 5
Portion, the two collectively forms aerostatic bearing, therefore aerostatic bearing of the present utility model is composite air hydrostatic bearing, empty
The stomata of gas static pressure bearing is placed on downwards the center of permanent magnetism bulk 3, and pressure sensor 6 is placed on aerostatic bearing
It is square and horizontal positioned, pressure sensor 6 be used for detect the downward pressure of latch location tray 7, by pressure sensor display instrument 2 with
Pressure sensor 6 connects, and pressure sensor display instrument 2 is used to show the pressure value that pressure sensor 6 detects, latch is positioned
Pallet 7 is positioned over directly over pressure sensor 6, and balancing weight 8 is positioned in latch location tray 7, empty to adjust pressure size
Air compressor 13 is supplied by air inlet pipe 10 to aerostatic bearing, and pressure-regulating valve 11, pressure gauge are provided with air inlet pipe 10
12nd, choke valve 9.Because the voltage in Electromagnetic Control has fluctuation, so that aerostatic bearing produces micro-vibration, in ultraprecise
This in workbench is not allowed to, therefore the utility model uses superconduction block material 4.
Further, described choke valve 9 is threadedly coupled with air inlet pipe 10, simple in construction, is easily installed.
Further, described superconduction block material 4 is yttrium barium copper oxide ceramic superconductor, yttrium barium copper oxide(YBCO)Ceramic superconductivity
Body, there are diamagnetic characteristic and flux pinning properties, macro manifestations are coercive force and pining force, and the two power constitute static air pressure
Bearing capacity during bearing working, and pining force can provide lateral restoring force and bearing is had autostability, be favorably improved bearing
Bearing capacity and stiffness characteristics.
Further, described latch location tray 7 is provided with annular mounting groove, and balancing weight 8 is annular.
Due to the low glutinous characteristic of this cryogenic media of liquid nitrogen, formation thickness between superconduction block material 4 and permanent magnetism bulk 3 is set to exist
100Following air film I, the thickness of air film I areh, so that being formed between composite air hydrostatic bearing and permanent magnetism bulk 3 micro-
Small―gap suture, requirement of the aerostatic bearing startup stage without mechanical friction can be met, and certain ratio is provided in stable operation stage
The bearing capacity of example.Because permanent magnets with industrial aviation aluminium 5 are wrapped up, under normal conditions, superconduction block material 4 and in the surface of superconduction block material 4
Thickness and industrial aviation aluminium 5 thickness sum of the gap for air film I between material 3.
After supply, hydrostatic portion in composite bearing(New air film II is formed between superconduction block material 4 and permanent magnetism bulk 3)To
The defects of conduction magnetic force rigidity is small is made up, improves stabilization sub stage rotor axial rigidity, enhancing resistance to shock loads ability.Shock insulation simultaneously
Platform 1 and permanent magnetism bulk 3 improve precision, ensure result accuracy to reduce error.
The embodiment of utility model is explained in detail above in association with accompanying drawing, but the utility model and unlimited
In above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, this practicality can also not departed from newly
Various changes can be made on the premise of type objective.
Claims (4)
1. a kind of based superconductive magnetic suspension and the device of air supporting composite support, it is characterised in that:Including pedestal, vibration-isolating platform(1)、
Pressure sensor display instrument(2), permanent magnetism bulk(3), superconduction block material(4), industrial aviation aluminium(5), pressure sensor(6), latch
Location tray(7), balancing weight(8), choke valve(9), air inlet pipe(10), pressure-regulating valve(11), pressure gauge(12), air compression
Machine(13);
Described vibration-isolating platform(1)It is placed on pedestal, permanent magnetism bulk(3)It is positioned over horizontal vibration-isolating platform(1)On, meanwhile,
Pressure sensor display instrument(2)It is placed on vibration-isolating platform(1)Right side and be positioned on pedestal, superconduction block material(4)Embedded industry
Aviation aluminium(5)Inside, the two collectively forms aerostatic bearing, and the stomata of aerostatic bearing is placed on downwards permanent magnetism bulk
(3)Center, pressure sensor(6)It is placed on above aerostatic bearing and horizontal positioned, pressure sensor is shown
Instrument(2)With pressure sensor(6)Connection, by latch location tray(7)It is positioned over pressure sensor(6)Surface, balancing weight(8)
It is positioned over latch location tray(7)It is interior, to adjust pressure size, air compressor(13)Pass through air inlet pipe(10)It is quiet to air
Last item holds supply, air inlet pipe(10)On pressure-regulating valve is installed(11), pressure gauge(12), choke valve(9).
2. a kind of based superconductive magnetic suspension according to claim 1 and the device of air supporting composite support, it is characterised in that:Institute
The choke valve stated(9)With air inlet pipe(10)Threaded connection.
3. a kind of based superconductive magnetic suspension according to claim 1 and the device of air supporting composite support, it is characterised in that:Institute
The superconduction block material stated(4)For yttrium barium copper oxide ceramic superconductor.
4. a kind of based superconductive magnetic suspension according to claim 1 and the device of air supporting composite support, it is characterised in that:Institute
The latch location tray stated(7)It is provided with annular mounting groove, balancing weight(8)For annular.
Priority Applications (1)
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CN201720483927.4U CN206874654U (en) | 2017-05-04 | 2017-05-04 | A kind of based superconductive magnetic suspension and the device of air supporting composite support |
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CN201720483927.4U CN206874654U (en) | 2017-05-04 | 2017-05-04 | A kind of based superconductive magnetic suspension and the device of air supporting composite support |
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CN201720483927.4U Expired - Fee Related CN206874654U (en) | 2017-05-04 | 2017-05-04 | A kind of based superconductive magnetic suspension and the device of air supporting composite support |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108443323A (en) * | 2018-05-11 | 2018-08-24 | 天津航天机电设备研究所 | A kind of inverse inhalation type air-bearing structure |
CN110925308A (en) * | 2018-09-19 | 2020-03-27 | 武汉科技大学 | Active air bearing with changeable air film shape |
CN113417940A (en) * | 2021-07-23 | 2021-09-21 | 中国工程物理研究院机械制造工艺研究所 | Vacuum preloading air floatation supporting structure and application thereof |
CN113899535A (en) * | 2021-08-26 | 2022-01-07 | 北京机械设备研究所 | Device and method for testing support characteristics of high-temperature superconducting suspension type flywheel rotor |
-
2017
- 2017-05-04 CN CN201720483927.4U patent/CN206874654U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108443323A (en) * | 2018-05-11 | 2018-08-24 | 天津航天机电设备研究所 | A kind of inverse inhalation type air-bearing structure |
CN110925308A (en) * | 2018-09-19 | 2020-03-27 | 武汉科技大学 | Active air bearing with changeable air film shape |
CN113417940A (en) * | 2021-07-23 | 2021-09-21 | 中国工程物理研究院机械制造工艺研究所 | Vacuum preloading air floatation supporting structure and application thereof |
CN113417940B (en) * | 2021-07-23 | 2022-04-01 | 中国工程物理研究院机械制造工艺研究所 | Vacuum preloading air floatation supporting structure and application thereof |
CN113899535A (en) * | 2021-08-26 | 2022-01-07 | 北京机械设备研究所 | Device and method for testing support characteristics of high-temperature superconducting suspension type flywheel rotor |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20190504 |
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CF01 | Termination of patent right due to non-payment of annual fee |