CN103047287B - Cone-shaped friction-free rotary air supply air floatation device - Google Patents
Cone-shaped friction-free rotary air supply air floatation device Download PDFInfo
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- CN103047287B CN103047287B CN201210594966.3A CN201210594966A CN103047287B CN 103047287 B CN103047287 B CN 103047287B CN 201210594966 A CN201210594966 A CN 201210594966A CN 103047287 B CN103047287 B CN 103047287B
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- Prior art keywords
- air
- air supporting
- stock
- air floatation
- floatation
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- 239000011148 porous material Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
A cone-shaped friction-free rotary air supply air floatation device includes an air floatation shaft, an air floatation sleeve and a base, wherein an air floatation shaft is sleeved with the air floatation sleeve; a tiny clearance is reserved between the air floatation shaft and the air floatation sleeve; the matching surface of the air floatation shaft and the air floatation sleeve is cone-shaped; a base is fixed with the bottom surface of the air floatation sleeve; a micropore material layer is fixed on the inner wall of an air floatation stock and forms an air inlet high-pressure cavity with the air floatation stock; an air floatation air inlet is formed in the air floatation stock and communicated with the air inlet high-pressure cavity; an air supply air inlet is formed at the bottom of the air floatation stock; the bottom of the air floatation shaft forms a high-pressure cavity with the air floatation stock and the base; the air supply air inlet is communicated with the high-pressure cavity; a blind hole is punched at the center of the air floatation shaft to be communicated with a top air outlet; air discharge holes are formed and uniformly distributed in the peripheral direction of the air floatation stock and communicated with clearances formed by the air floatation shaft and the air floatation sleeve; a circle of concave air discharge groove is formed in the periphery where the air discharge holes are formed; and the air discharge holes, the micropore material layer and the air inlet of the air floatation sleeve are mutually separated. The cone-shaped friction-free rotary air supply air floatation device can be used for continuous air supply and is free from the influence of air tube disturbance.
Description
Technical field
The present invention relates to air supporting field.
Background technique
Along with the development of science and technology, normal adopt gas lubrication to replace common mechanical lubrication, form air film in the object gap of pressurized gas being introduced relative movement, avoid directly contact to realize frictionless motion.
The mode that air-floating apparatus forms air film is different, air supply method is also different, usually be all utilize tracheae to introduce gas in hyperbaric chamber, but no matter adopt which kind of plenum system, tracheae all must not produce disturbing influence to air-floating apparatus, for the air-floating apparatus that some move relative to source of the gas, there is a very large difficult problem in air supporting air feed.If side is by the folding hinge plate of the vertical placement of hinge links, bottom realizes planar frictionless by multiple floating cushion and launches motion, require not introduce any external force when launching, if each floating cushion introduces tracheae from outside, floating cushion moves with hinge, and steam line can produce the impact of disturbance on the motion of floating cushion, and air feed circuit is many, easily twist, bend, be wound around, be not easy to installation and maintenance; Usually by attached for air supply pipe onboard from one piece be incorporated into another block simultaneously air feed to the floating cushion this plate, but hinge plate from fit-state to expansion time can be subject to the disturbing influences such as joint tracheae is bending, winding, the expansion of interference hinge.
Summary of the invention
In order to when solving existing air-floating apparatus air feed, tracheae bends the deficiency of the impact of disturbance, the invention provides a kind of can the taper of the unaffected by disturbance of air pipes of air feed continuously rotation for air flotation device without friction.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of taper rotates air feeder without friction, comprise air-bearing shafts, air supporting cover and base, air supporting cover is made up of air supporting stock and porous material layer, described air suspension shaft sleeve is contained in air supporting cover, micro-gap is there is in described air-bearing shafts and air supporting between overlapping, it is tapered that fitting surface is overlapped in described air-bearing shafts and air supporting, described base and air supporting are overlapped bottom surface and are fixed, described porous material layer to be fixed on air supporting stock inwall and and form air inlet hyperbaric chamber between air supporting stock, described air supporting stock there is air supporting inlet hole and communicates with air inlet hyperbaric chamber, air feed suction port is had bottom described air supporting stock, with air supporting stock bottom described air-bearing shafts, base forms hyperbaric chamber, described air feed suction port communicates with hyperbaric chamber, described air-bearing shafts center is beaten blind hole and is communicated with air outlet, top, described air supporting stock there is bleeder port, described bleeder port is uniform and overlap with air-bearing shafts and air supporting the gap formed and communicate at air supporting stock circumferencial direction, described bleeder port place circumferentially has a circle spill to unload air drain, it is mutually isolated that inlet hole is overlapped in described bleeder port and porous material layer and air supporting.
Further, described air supporting inlet hole and air feed suction port adopt same gas source feed by the first tracheae, and pressurized gas are drawn by the second tracheae by air outlet, described top.
Mentality of designing of the present invention is: according to air-bearing principle, realize air-bearing and air supporting overlap between rotates without rub, then by special plenum system, pressurized gas are introduced from air supporting cover and draw from air-bearing shafts, thus realize without the rotation air feed that rubs.
On air supporting frame, air supporting inlet hole and air feed suction port adopt same high-pressure air source air feed, pressurized gas in air inlet hyperbaric chamber form air film through poromerics surface or throttling pore in air supporting cover and air-bearing shafts gap, gas major part in bottom high-pressure chamber flows out from air outlet through air-bearing shafts center hole, fraction enters in the gap of air supporting cover and air-bearing shafts, air supporting frame there is bleeder port hole, the pressurized gas entering gap are discharged from bleeder port after damping seal, one end that air-bearing shafts overlaps gap with air supporting communicates with air, the other end has bleeder port, because this gap internal memory is in pressure gradient, the gas part entered in gap flows out from side, gap, another part is discharged by unloading air drain.Adopt taper air-floating apparatus to be because taper air-floating apparatus can resist certain axial force, preventing bottom high-pressure chamber inner high voltage gas from acting on air-bearing shafts increases additional force or causes air-bearing shafts play.
Be expanded in the process of 180 ° by fit-state under the effect of folding hinge plate at hinge, be arranged on axis of rotation when two pages of folding hinge plates launch without friction rotation air feeder, base, air supporting cover are fixed with one block of plate, air-bearing shafts is connected with another block plate, therefore pressurized gas are just delivered to another block plate from one block of plate, not by the disturbance of tracheae rotating bending, outer diameter without friction rotation air feed is less than or equal to the thickness of hinge plate, avoids multiple the rotation between air feeder without friction of fit-state mutually to disturb.
Beneficial effect of the present invention is: can air feed continuously, unaffected by disturbance of air pipes.
Accompanying drawing explanation
Fig. 1 is that taper rotates the schematic diagram of air feeder without friction.
Fig. 2 is that taper rotates the air flow direction schematic diagram of air feeder without friction.
Fig. 3 is folding hinge fit-state schematic diagram.
Fig. 4 is the folding schematic diagram closed in expansion process.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1 ~ Fig. 4, a kind of taper rotates air feeder without friction, comprise air-bearing shafts 2, air supporting cover 3 and base 1, air supporting cover 3 is made up of air supporting stock and porous material layer 5, described air-bearing shafts 2 is sleeved in air supporting cover 3, micro-gap is there is in described air-bearing shafts 2 and air supporting between overlapping 3, it is tapered that 3 fitting surfaces are overlapped in described air-bearing shafts 2 and air supporting, described base 1 overlaps 3 bottom surfaces with air supporting to be fixed, described porous material layer 5 to be fixed on air supporting stock inwall and and form air inlet hyperbaric chamber 9 between air supporting stock, described air supporting stock there is air supporting inlet hole 7 and communicates with air inlet hyperbaric chamber 9, air feed suction port 8 is had bottom described air supporting stock, with air supporting stock bottom described air-bearing shafts 2, base 1 forms hyperbaric chamber 10, described air feed suction port 8 communicates with hyperbaric chamber 10, described air-bearing shafts 2 center is beaten blind hole 6 and is communicated with air outlet, top 11, described air supporting stock there is bleeder port 4, described bleeder port 4 is uniform and overlap 3 gaps formed with air-bearing shafts 2 and air supporting and communicate at air supporting stock circumferencial direction, described bleeder port 4 place circumferentially has a circle spill to unload air drain, described bleeder port 4 and porous material layer 5 and air supporting are overlapped inlet hole 7 and are not communicated (namely mutually isolated).Described air supporting inlet hole 7 and air feed suction port 8 adopt same gas source feed by the first tracheae 13, and pressurized gas are drawn by the second tracheae 12 by air outlet, described top 11.
Be expanded to by fit-state in the process of 180 ° under the effect of hinge 19 at folding hinge plate 18, rotate on axis of rotation when air feeder 20 is arranged on two pages of folding hinge 18 plate developments without friction, base 1, air supporting cover 3 and one block of plate are fixed, air-bearing shafts 2 is connected with another block plate, therefore pressurized gas are just delivered to another block plate from one block of plate, not by the disturbance of tracheae rotating bending, outer diameter without friction rotation air feed is less than or equal to the thickness of hinge plate, avoids multiple the rotation between air feeder without friction of fit-state mutually to disturb.
Claims (2)
1. a taper rotates air feeder without friction, it is characterized in that: comprise air-bearing shafts, air supporting cover and base, air supporting cover is made up of air supporting stock and porous material layer, described air suspension shaft sleeve is contained in air supporting cover, micro-gap is there is in described air-bearing shafts and air supporting between overlapping, it is tapered that fitting surface is overlapped in described air-bearing shafts and air supporting, described base and air supporting are overlapped bottom surface and are fixed, described porous material layer to be fixed on air supporting stock inwall and and form air inlet hyperbaric chamber between air supporting stock, described air supporting stock there is air supporting inlet hole and communicates with air inlet hyperbaric chamber, air feed suction port is had bottom described air supporting stock, with air supporting stock bottom described air-bearing shafts, base forms hyperbaric chamber, described air feed suction port communicates with hyperbaric chamber, described air-bearing shafts center is beaten blind hole and is communicated with air outlet, top, described air supporting stock there is bleeder port, described bleeder port is uniform and overlap with air-bearing shafts and air supporting the gap formed and communicate at air supporting stock circumferencial direction, described bleeder port place circumferentially has a circle spill to unload air drain, it is mutually isolated that inlet hole is overlapped in described bleeder port and porous material layer and air supporting.
2. taper as claimed in claim 1 rotates air feeder without friction, and it is characterized in that: described air supporting inlet hole and air feed suction port adopt same gas source feed by the first tracheae, pressurized gas are drawn by the second tracheae by air outlet, described top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210594966.3A CN103047287B (en) | 2012-12-31 | 2012-12-31 | Cone-shaped friction-free rotary air supply air floatation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210594966.3A CN103047287B (en) | 2012-12-31 | 2012-12-31 | Cone-shaped friction-free rotary air supply air floatation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047287A CN103047287A (en) | 2013-04-17 |
| CN103047287B true CN103047287B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210594966.3A Active CN103047287B (en) | 2012-12-31 | 2012-12-31 | Cone-shaped friction-free rotary air supply air floatation device |
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| Country | Link |
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| CN (1) | CN103047287B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110132582B (en) * | 2019-05-21 | 2021-11-09 | 北京空间飞行器总体设计部 | Friction-free torque loading and measuring device in vacuum environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3832084A1 (en) * | 1988-09-21 | 1990-03-22 | Hans Lobermeier | Package for tablets, pills, sweets and the like |
| CN1165403C (en) * | 1996-03-19 | 2004-09-08 | 株式会社日立制作所 | Structural body for friction welding |
| JP2001132749A (en) * | 1999-11-04 | 2001-05-18 | Ntn Corp | Hydrostatic gas bearing spindle |
| JP2005221002A (en) * | 2004-02-05 | 2005-08-18 | Nsk Ltd | Forming method for gas throttle layer |
| CN102518667A (en) * | 2011-12-19 | 2012-06-27 | 西安威而信精密仪器有限公司 | Conical air floating shaft system |
| CN203051493U (en) * | 2012-12-31 | 2013-07-10 | 浙江工业大学 | Conical friction-free rotary air feeder |
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- 2012-12-31 CN CN201210594966.3A patent/CN103047287B/en active Active
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| CN103047287A (en) | 2013-04-17 |
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Address after: Hangzhou City, Zhejiang province 310014 City Zhaohui District Six Patentee after: Zhejiang University of Technology Address before: 310014 Chao Wang Road, Xiacheng City, Hangzhou, Zhejiang Province, No. 18 Patentee before: Zhejiang University of Technology |
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Effective date of registration: 20181220 Address after: 401120 Motorcycle Workshop, No. 28 Guiluan Avenue, Shuanglonghu Street, Yubei District, Chongqing Patentee after: Chongqing Shuangmei Automobile Parts Co., Ltd. Address before: Hangzhou City, Zhejiang province 310014 City Zhaohui District Six Patentee before: Zhejiang University of Technology |
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Effective date of registration: 20200117 Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Patentee after: Chongqing Bochuang Intellectual Property Operations Co., Ltd. Address before: 401120 Motorcycle Workshop, No. 28 Guiluan Avenue, Shuanglonghu Street, Yubei District, Chongqing Patentee before: Chongqing Shuangmei Automobile Parts Co., Ltd. |
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Effective date of registration: 20201109 Address after: No. ZC030, College Students Pioneer Park, Tongling City, Anhui Province, 244000 Patentee after: TONGLING HUIHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Patentee before: Chongqing Bochuang Intellectual Property Operations Co.,Ltd. |