CN103047287A - Cone-shaped friction-free rotary air supply air floatation device - Google Patents

Cone-shaped friction-free rotary air supply air floatation device Download PDF

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Publication number
CN103047287A
CN103047287A CN2012105949663A CN201210594966A CN103047287A CN 103047287 A CN103047287 A CN 103047287A CN 2012105949663 A CN2012105949663 A CN 2012105949663A CN 201210594966 A CN201210594966 A CN 201210594966A CN 103047287 A CN103047287 A CN 103047287A
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China
Prior art keywords
air
air supporting
stock
air floatation
floatation
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CN2012105949663A
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CN103047287B (en
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单晓杭
孙建辉
周海清
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Tongling Huiheng Electronic Technology Co ltd
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Zhejiang University of Technology ZJUT
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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

Taper is without friction rotation air feeder
Technical field
The present invention relates to the air supporting field.
Background technique
Along with the development of science and technology, often adopt gas lubrication to replace common mechanical lubrication, pressurized gas are introduced in the object gap of relative movement and formed air film, avoiding directly, contact realizes frictionless motion.
The mode that air-floating apparatus forms air film is different, air supply method is also different, usually all be to 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 some air-floating apparatus with respect to the source of the gas motion, there is a very large difficult problem in the air supporting air feed.Such as the folding hinge plate of side by the vertical placement of hinge links, the bottom realizes that by a plurality of floating cushions planar frictionless launches motion, do not introduce any external force when requiring to launch, if each floating cushion is introduced tracheae from the outside, floating cushion moves with hinge, and steam line can produce on the motion of floating cushion the impact of disturbance, and the air feed circuit is many, easily twist, crooked, twine, be not easy to installation and maintenance; Usually with air supply pipe attached onboard from one be incorporated into another piece simultaneously air feed to the floating cushion on this plate, but hinge plate can be subject to the disturbing influences such as bending of joint tracheae, winding, the expansion of interference hinge from fit-state when launching.
Summary of the invention
The deficiency of the impact of the crooked disturbance of tracheae when having the air-floating apparatus air feed now in order to solve, the taper that the invention provides a kind of continuously unaffected by disturbance of air pipes of air feed supplies air flotation device without the friction rotation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of taper is without friction rotation air feeder, comprise air-bearing shafts, air supporting cover and base, the air supporting cover is comprised of air supporting stock and poromerics layer, described air suspension shaft sleeve is contained in the air supporting cover, there is micro-gap between described air-bearing shafts and the air supporting cover, described air-bearing shafts and air supporting cover fitting surface are tapered, described base and air supporting cover bottom surface are fixed, described poromerics layer be fixed on the air supporting stock inwall and and the air supporting stock between form the air inlet hyperbaric chamber, the air supporting inlet hole is arranged on the described air supporting stock and communicate with the air inlet hyperbaric chamber, the air feed suction port is arranged at described air supporting stock bottom, described air-bearing shafts bottom and air supporting stock, 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 the air outlet, top, unload pore on the described air supporting stock, it is described that to unload pore uniform and communicate with gap that air-bearing shafts and air supporting cover forms at air supporting stock circumferencial direction, described unloading has a circle spill to unload air drain on the circumference of pore place, the described pore that unloads is isolated mutually with poromerics layer and air supporting cover inlet hole.
Further, described air supporting inlet hole and air feed suction port adopt same gas source feed by tracheae, and draw pressurized gas by tracheae air outlet, described top.
Mentality of designing of the present invention is: according to the air-bearing principle, realize nothing friction rotation between air-bearing and the air supporting cover, again by special plenum system, pressurized gas are drawn from air-bearing shafts from the introducing of air supporting cover, thereby realize without friction rotation air feed.
Air supporting inlet hole and air feed suction port adopt same high-pressure air source air feed on the air supporting frame, pressurized gas in the air inlet hyperbaric chamber through the poromerics surface or throttling pore in air supporting cover and air-bearing shafts gap, form air film, gas major part in the hyperbaric chamber of bottom flows out from the air outlet through the air-bearing shafts center hole, fraction enters in the gap of air supporting cover and air-bearing shafts, unload the pore hole on the air supporting frame, enter the pressurized gas in gap through discharging from unloading pore behind the damping seal, air-bearing shafts communicates with atmosphere with an end in air supporting cover gap, the other end unloads pore, therefore there is pressure gradient in the gap, one effluent goes out from the gap to enter a gas part in the gap, and another part is discharged by unloading air drain.Adopting the taper air-floating apparatus is because the taper air-floating apparatus can resist certain axial force, prevents that bottom hyperbaric chamber inner high voltage gas from acting on the air-bearing shafts and increase additional force or cause the air-bearing shafts play.
Be expanded to by fit-state under the folding effect of hinge plate at hinge in 180 ° the process, on the axis of rotation when being installed in two pages of folding hinge plates expansion without friction rotation air feeder, base, air supporting cover are fixed with a plate, air-bearing shafts is connected with another piece plate, therefore pressurized gas just are delivered on another piece plate from a plate, be not subjected to the disturbance of tracheae rotating bending, rotate the outer diameter of air feed less than or equal to the thickness of hinge plate without friction, avoid fit-state a plurality of without phase mutual interference between friction rotation air feeder.
Beneficial effect of the present invention is: continuous air feed, unaffected by disturbance of air pipes.
Description of drawings
Fig. 1 is that taper is without the schematic representation of friction rotation air feeder.
Fig. 2 is that taper is without the air flow direction schematic diagram of friction rotation air feeder.
Fig. 3 is folding hinge fit-state schematic representation.
Fig. 4 is the folding schematic representation that closes in the expansion process.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
With reference to Fig. 1 ~ Fig. 4, a kind of taper is without friction rotation air feeder, comprise air-bearing shafts 2, air supporting cover 3 and base 1, air supporting cover 3 is comprised of air supporting stock and poromerics layer 5, described air-bearing shafts 2 is sleeved in the air supporting cover 3, there is micro-gap between described air-bearing shafts 2 and the air supporting cover 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 poromerics layer 5 be fixed on the air supporting stock inwall and and the air supporting stock between form air inlet hyperbaric chamber 9, air supporting inlet hole 7 is arranged on the described air supporting stock and communicate with air inlet hyperbaric chamber 9, air feed suction port 8 is arranged at described air supporting stock bottom, described air-bearing shafts 2 bottoms and air supporting stock, base 1 forms hyperbaric chamber 10, described air feed suction port 8 communicates with hyperbaric chamber 10, described air-bearing shafts 2 centers are beaten blind hole 6 and are communicated with air outlet, top 11, unload pore 4 on the described air supporting stock, it is described that to unload pore 4 uniform and communicate with gaps that air-bearing shafts 2 and air supporting cover 3 forms at air supporting stock circumferencial direction, described unloading has a circle spill to unload air drain on the pore 4 place circumference, the described pore 4 that unloads does not communicate (namely mutually isolating) with poromerics layer 5 and air supporting cover inlet hole 7.Described air supporting inlet hole 7 and air feed suction port 8 adopts same gas source feed by tracheae 13, and draw pressurized gas by tracheae 13 air outlet 11, described top.
Be expanded to by fit-state under the effect of hinge 19 at folding hinge plate 18 in 180 ° the process, on the axis of rotation when being installed in two pages of folding hinge 18 plate developments without friction rotation air feeder 20, base 1,3 and plates of air supporting cover are fixed, air-bearing shafts 2 is connected with another piece plate, therefore pressurized gas just are delivered on another piece plate from a plate, be not subjected to the disturbance of tracheae rotating bending, rotate the outer diameter of air feed less than or equal to the thickness of hinge plate without friction, avoid fit-state a plurality of without phase mutual interference between friction rotation air feeder.

Claims (2)

1. a taper is without friction rotation air feeder, it is characterized in that: comprise air-bearing shafts, air supporting cover and base, the air supporting cover is comprised of air supporting stock and poromerics layer, described air suspension shaft sleeve is contained in the air supporting cover, there is micro-gap between described air-bearing shafts and the air supporting cover, described air-bearing shafts and air supporting cover fitting surface are tapered, described base and air supporting cover bottom surface are fixed, described poromerics layer be fixed on the air supporting stock inwall and and the air supporting stock between form the air inlet hyperbaric chamber, the air supporting inlet hole is arranged on the described air supporting stock and communicate with the air inlet hyperbaric chamber, the air feed suction port is arranged at described air supporting stock bottom, described air-bearing shafts bottom and air supporting stock, 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 the air outlet, top, unload pore on the described air supporting stock, it is described that to unload pore uniform and communicate with gap that air-bearing shafts and air supporting cover forms at air supporting stock circumferencial direction, described unloading has a circle spill to unload air drain on the circumference of pore place, the described pore that unloads is isolated mutually with poromerics layer and air supporting cover inlet hole.
2. taper as claimed in claim 1 is without friction rotation air feeder, and it is characterized in that: described air supporting inlet hole and air feed suction port adopt same gas source feed by tracheae, and draw pressurized gas by tracheae air outlet, described top.
CN201210594966.3A 2012-12-31 2012-12-31 Cone-shaped friction-free rotary air supply air floatation device Active CN103047287B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110132582A (en) * 2019-05-21 2019-08-16 北京空间飞行器总体设计部 The load of friction free torque and measuring device under vacuum environment

Citations (6)

* Cited by examiner, † Cited by third party
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
JP2001132749A (en) * 1999-11-04 2001-05-18 Ntn Corp Hydrostatic gas bearing spindle
US20040026481A1 (en) * 1996-03-19 2004-02-12 Kinya Aota Friction stir welding method
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
US20040026481A1 (en) * 1996-03-19 2004-02-12 Kinya Aota Friction stir welding method
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110132582A (en) * 2019-05-21 2019-08-16 北京空间飞行器总体设计部 The load of friction free torque and measuring device under vacuum environment
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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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.

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