CN110848254A - Magnetic-gas composite magnetic suspension gas foot - Google Patents
Magnetic-gas composite magnetic suspension gas foot Download PDFInfo
- Publication number
- CN110848254A CN110848254A CN201911153338.XA CN201911153338A CN110848254A CN 110848254 A CN110848254 A CN 110848254A CN 201911153338 A CN201911153338 A CN 201911153338A CN 110848254 A CN110848254 A CN 110848254A
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- Prior art keywords
- magnetic
- air
- gas
- suspension
- foot
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
- F16C32/0614—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being supplied under pressure, e.g. aerostatic bearings
- F16C32/0618—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being supplied under pressure, e.g. aerostatic bearings via porous material
Abstract
The invention discloses a magnetic-gas composite magnetic suspension gas foot, and belongs to the field of gas suspension hanging devices. The invention comprises a lifting ring, a sleeve shaft, an air outlet, a magnetic block and an air inlet. The magnetic block is used for enabling the magnetic and gas combined type magnetic suspension gas foot to generate magnetic attraction. The air outlet and the magnetic block are tightly sleeved and fixed by a sleeve shaft after being assembled, and the sleeve shaft is provided with a hanging ring. The sleeve shaft, the air outlet, the magnetic block and the air inlet form a space for containing high-pressure air. The air outlet is composed of dense tiny air holes, high-pressure air enters a space for containing the high-pressure air through the air inlet, then a high-pressure air film is generated between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate through the dense air holes on the air outlet, and friction between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure air film, so that friction-free suspension is realized. The suspension type magnetic suspension device can suspend in space in a suspension manner, does not move along the magnetic suspension plate in a friction-free manner, realizes suspension type magnetic air suspension, and ensures the use precision and accuracy.
Description
Technical Field
The invention relates to a magnetic and gas composite type magnetic suspension gas foot, in particular to a magnetic and gas composite type magnetic suspension gas foot for realizing gas suspension of multi-degree-of-freedom motion, and belongs to the field of gas suspension devices.
Background
As the application of the air suspension device in various fields is continuously expanded, among them, an air supporting block, which is one of the main components in the air suspension device, is also more and more important. At present, the existing air-floating supporting block is mainly suitable for supporting horizontally upwards, and if air suspension is realized on a marble air-floating platform, the application range is limited, the requirements of hanging, laterally hanging and the like for completing experiments through hanging corresponding devices cannot be met, and therefore the air foot with the suspension function which cannot be realized by the common supporting type air foot can be completed in extreme needs.
Disclosure of Invention
The invention discloses a magnetic-gas composite magnetic suspension gas foot, which aims to solve the technical problems that: the magnetic-air composite type magnetic suspension air foot for realizing air suspension of multi-degree-of-freedom motion can suspend in space, does not move along a magnetic suspension plate in a friction mode, realizes suspension type magnetic-air suspension, and effectively guarantees use precision and accuracy.
The purpose of the invention is realized by the following technical scheme.
The invention discloses a magnetic and gas combined type magnetic suspension gas foot which comprises a hanging ring, a sleeve shaft, a gas outlet, a magnetic block and a gas inlet. The magnetic block is used for enabling the magnetic and gas combined type magnetic suspension gas foot to generate magnetic attraction. The air outlet and the magnetic block are tightly sleeved and fixed by a sleeve shaft after being assembled, and the sleeve shaft is provided with a hanging ring. The sleeve shaft, the air outlet, the magnetic block and the air inlet form a space for containing high-pressure air. The air outlet is composed of dense tiny air holes, high-pressure air enters a space for containing the high-pressure air through the air inlet, a high-pressure air film is generated between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate through the dense air holes on the air outlet, and friction between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure air film, so that friction-free suspension is realized.
In order to facilitate processing and assembly and improve the air tightness of the magnetic and air composite type magnetic suspension air foot, the sleeve shaft, the air outlet, the magnetic block and the air inlet are preferably tightly combined into a concentric cylinder.
Preferably, according to different use requirements, the requirements of different experiments on air flotation are met by adjusting the air pressure supplied to the air inlet and the size, shape and number of the micro air holes at the air outlet. The air outlet and the magnetic block are in different sizes, shapes and mounting positions, and the different numbers and the position layout of the hanging rings can meet the requirements of mounting, moving and loading of different suspension target devices, meet various use occasions and increase the application range.
The invention discloses a working method of a magnetic-gas composite type magnetic suspension gas foot, which comprises the following steps: the sleeve shaft, the air outlet, the magnetic block and the air inlet form a space for containing high-pressure air. The air outlet and the magnetic block are fixed by the sleeve shaft after being assembled. After the high-pressure gas is introduced into the gas inlet, the high-pressure gas passes through a space formed by the sleeve shaft, the gas outlet, the magnetic block and the gas inlet and is led out of dense micro holes at the gas outlet, and because the diameters of the gas holes are very small, a high-pressure gas film is generated between the bottom surface of the magnetic-gas composite magnetic suspension gas foot and the contact surface of the magnetic suspension plate through the dense gas outlet holes, and friction between the bottom surface of the magnetic-gas composite magnetic suspension gas foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure gas film, so that friction.
Has the advantages that:
1. the invention discloses a magnetic and gas combined type magnetic suspension gas foot which is innovatively provided based on a magnetic suspension principle and comprises a hanging ring, a sleeve shaft, a gas outlet, a magnetic block and a gas inlet. The magnetic block is used for enabling the magnetic and gas combined type magnetic suspension gas foot to generate magnetic attraction. The air outlet and the magnetic block are tightly sleeved and fixed by a sleeve shaft after being assembled, and the sleeve shaft is provided with a hanging ring. The sleeve shaft, the air outlet, the magnetic block and the air inlet form a space for containing high-pressure air. The air outlet is composed of dense tiny air holes, high-pressure air enters a space for containing the high-pressure air through the air inlet, a high-pressure air film is generated between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate through the dense air holes on the air outlet, and friction between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure air film, so that friction-free suspension is realized.
2. The invention discloses a magnetic-air composite type magnetic suspension air foot which meets the requirements of different experiments on air flotation by adjusting the size, shape and number of tiny air holes at an air outlet according to different use occasions. The air outlet and the magnetic block are in different sizes, shapes and mounting positions, and the different numbers and the position layout of the hanging rings can meet the requirements of mounting, moving and loading of different suspension target devices, meet various use occasions and increase the application range.
3. The magnetic-gas composite type magnetic suspension gas foot disclosed by the invention is based on the magnetic suspension principle, the size is not limited, the structure is simple, the use is convenient, in addition, the load capacity is improved by adjusting the size of the magnetic block and the size, the shape and the number of the tiny air holes at the air outlet, and the magnetic-gas composite type magnetic suspension gas foot is safe and reliable.
Drawings
FIG. 1-schematic representation 1 of the structure of the invention
1-hoisting ring, 2-sleeve shaft, 5-air inlet.
FIG. 2-schematic diagram 2 of the structure of the present invention
2-sleeve shaft, 3-air outlet and 4-magnetic block.
Detailed Description
For a better understanding of the objects and advantages of the present invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1:
as shown in fig. 1 and fig. 2, the embodiment discloses a magnetic and gas composite magnetic suspension gas foot, which includes a suspension ring 1, a sleeve shaft 2, a gas outlet 3, a magnetic block 4, and a gas inlet 5. The magnetic block 4 is used for enabling the magnetic and gas combined type magnetic suspension gas foot to generate magnetic attraction. The air outlet 3 and the magnetic block 4 are tightly sleeved and fixed by a sleeve shaft 2 after being assembled, and the sleeve shaft 2 is provided with a hanging ring 1. The sleeve shaft 2, the air outlet 3, the magnetic block 4 and the air inlet 5 form a space for containing high-pressure air. The air outlet 3 is composed of dense tiny air holes, high-pressure air enters a space for containing the high-pressure air through the air inlet 5, a high-pressure air film is generated between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate through the dense air holes on the air outlet 3, and friction between the bottom surface of the magnetic and air combined type magnetic suspension air foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure air film, so that friction-free suspension is realized.
In order to facilitate processing and assembly and improve the air tightness of the magnetic and air composite type magnetic suspension air foot, the sleeve shaft 2, the air outlet 3, the magnetic block 4 and the air inlet 5 tightly form a concentric cylinder.
According to different use requirements, the air floatation requirements of different experiments are met by adjusting the size, the shape and the number of the micro air holes at the air outlet 3. The air outlet 3 and the magnetic block 4 are different in size, shape and installation position, and the different number and position layout of the hanging ring 1 can meet the requirements of installation, movement and load of different suspension target devices, so that various use occasions are met, and the application range is enlarged.
The working method of the magnetic-gas composite magnetic suspension gas foot disclosed by the embodiment comprises the following steps: the sleeve shaft 2, the air outlet 3, the magnetic block 4 and the air inlet 5 form a space for containing high-pressure air. The air outlet 3 and the magnetic block 4 are fixed by the sleeve shaft 2 after being assembled. After the high-pressure gas is introduced into the gas inlet 5, the high-pressure gas passes through a space formed by the sleeve shaft 2, the gas outlet 3, the magnetic block 4 and the gas inlet 5 and is led out through dense micro holes at the gas outlet 3, because the diameters of the gas holes are very small, a high-pressure gas film is generated between the bottom surface of the magnetic and gas combined type magnetic suspension gas foot and the contact surface of the magnetic suspension plate through the dense gas outlet holes, the friction between the bottom surface of the magnetic and gas combined type magnetic suspension gas foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure gas film, friction-free suspension is realized, and the magnetic and gas combined type magnetic suspension gas foot freely moves along the surface of the magnetic suspension plate, for example.
The above detailed description is intended to illustrate the objects, aspects and advantages of the present invention, and it should be understood that the above detailed description is only exemplary of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A magnetic-gas composite magnetic suspension gas foot is characterized in that: comprises a lifting ring (1), a sleeve shaft (2), an air outlet (3), a magnetic block (4) and an air inlet (5); the magnetic block (4) is used for enabling the magnetic and gas composite type magnetic suspension gas foot to generate magnetic attraction force; the air outlet (3) and the magnetic block (4) are tightly sleeved and fixed by a sleeve shaft (2) after being assembled, and the sleeve shaft (2) is provided with a hanging ring (1); the sleeve shaft (2), the air outlet (3), the magnetic block (4) and the air inlet (5) form a space for containing high-pressure air; the air outlet (3) is composed of dense tiny air holes, high-pressure air enters a space for containing the high-pressure air through the air inlet (5), then a high-pressure air film is generated between the bottom surface of the magnetic and gas composite type magnetic suspension air foot and the contact surface of the magnetic suspension plate through the dense air holes on the air outlet (3), and friction between the bottom surface of the magnetic and gas composite type magnetic suspension air foot and the contact surface of the magnetic suspension plate is eliminated through the high-pressure air film, so that friction-free suspension is realized.
2. The magnetic-gas composite magnetic suspension gas foot of claim 1, characterized in that: in order to facilitate processing and assembly and improve the air tightness of the magnetic and air composite type magnetic suspension air foot, the sleeve shaft (2), the air outlet (3), the magnetic block (4) and the air inlet (5) are tightly formed into a concentric cylinder.
3. The magnetic-gas composite type magnetic suspension gas foot as claimed in claim 1 or 2, characterized in that: according to different use requirements, the air pressure supplied to the air inlet (5) and the size, shape and number of the micro air holes at the air outlet (3) are adjusted to meet the requirements of different experiments on air flotation; the air outlet (3) and the magnetic block (4) are different in size, shape and installation position, and the different number and position layout of the hanging rings (1) can meet the requirements of installation, movement and load of different suspension target devices, so that various use occasions are met, and the application range is enlarged.
4. The magnetic-gas composite magnetic suspension gas foot of claim 3, characterized in that: the working method is that the sleeve shaft (2), the air outlet (3), the magnetic block (4) and the air inlet (5) form a space for containing high-pressure air; the air outlet (3) and the magnetic block (4) are assembled and then fixed by the sleeve shaft (2); after the high-pressure gas is introduced into the gas inlet (5), the high-pressure gas passes through a space formed by the sleeve shaft (2), the gas outlet (3), the magnetic block (4) and the gas inlet (5) and is guided out by dense micro holes at the gas outlet (3), because the diameters of the gas holes are very small, a high-pressure gas film is generated between the magnetic and gas composite magnetic suspension gas sole surface and the contact surface of the magnetic suspension plate through the dense gas outlet holes, the friction between the magnetic and gas composite magnetic suspension gas sole surface and the contact surface of the magnetic suspension plate is eliminated through the high-pressure gas film, and the frictionless suspension is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153338.XA CN110848254A (en) | 2019-11-22 | 2019-11-22 | Magnetic-gas composite magnetic suspension gas foot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153338.XA CN110848254A (en) | 2019-11-22 | 2019-11-22 | Magnetic-gas composite magnetic suspension gas foot |
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| CN110848254A true CN110848254A (en) | 2020-02-28 |
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| CN201911153338.XA Pending CN110848254A (en) | 2019-11-22 | 2019-11-22 | Magnetic-gas composite magnetic suspension gas foot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032199A (en) * | 2020-08-28 | 2020-12-04 | 天津大学 | Microgravity is for simulation gas-magnetism mixed structure's hanging device |
| CN113977161A (en) * | 2021-11-25 | 2022-01-28 | 徐州迈斯特机械科技有限公司 | Auxiliary stabilizing device for cross-frame type handheld welding gun based on magnetic and gas double adsorption |
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| CN103047285A (en) * | 2012-12-31 | 2013-04-17 | 浙江工业大学 | Gas suspension friction-free rotation air feeding device |
| CN105149621A (en) * | 2015-09-01 | 2015-12-16 | 上海大学 | Electric spindle supported by magnetic suspension and lambdoid-groove dynamic pressure and static pressure gas combined bearings |
| CN106369050A (en) * | 2016-09-13 | 2017-02-01 | 安徽工程大学 | Magnetic suspension aerodynamic bearing |
| CN207393748U (en) * | 2017-04-11 | 2018-05-22 | 昆明理工大学 | A kind of device based on normal conducting electromagnetic levitation Yu air supporting composite support |
| CN108423202A (en) * | 2018-05-11 | 2018-08-21 | 天津航天机电设备研究所 | A kind of micro- low-gravity simulation device and simulation experiment method |
| CN108488232A (en) * | 2018-03-22 | 2018-09-04 | 燕山大学 | A kind of magnetism dual suspension journal bearing with porous media gasket |
-
2019
- 2019-11-22 CN CN201911153338.XA patent/CN110848254A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5227948A (en) * | 1975-08-25 | 1977-03-02 | Maschf Augsburg Nuernberg Ag | Apparatus for driving and supporting disc rotor |
| CN103047285A (en) * | 2012-12-31 | 2013-04-17 | 浙江工业大学 | Gas suspension friction-free rotation air feeding device |
| CN105149621A (en) * | 2015-09-01 | 2015-12-16 | 上海大学 | Electric spindle supported by magnetic suspension and lambdoid-groove dynamic pressure and static pressure gas combined bearings |
| CN106369050A (en) * | 2016-09-13 | 2017-02-01 | 安徽工程大学 | Magnetic suspension aerodynamic bearing |
| CN207393748U (en) * | 2017-04-11 | 2018-05-22 | 昆明理工大学 | A kind of device based on normal conducting electromagnetic levitation Yu air supporting composite support |
| CN108488232A (en) * | 2018-03-22 | 2018-09-04 | 燕山大学 | A kind of magnetism dual suspension journal bearing with porous media gasket |
| CN108423202A (en) * | 2018-05-11 | 2018-08-21 | 天津航天机电设备研究所 | A kind of micro- low-gravity simulation device and simulation experiment method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032199A (en) * | 2020-08-28 | 2020-12-04 | 天津大学 | Microgravity is for simulation gas-magnetism mixed structure's hanging device |
| CN112032199B (en) * | 2020-08-28 | 2022-03-15 | 天津大学 | Microgravity is for simulation gas-magnetism mixed structure's hanging device |
| CN113977161A (en) * | 2021-11-25 | 2022-01-28 | 徐州迈斯特机械科技有限公司 | Auxiliary stabilizing device for cross-frame type handheld welding gun based on magnetic and gas double adsorption |
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Application publication date: 20200228 |
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