CN2813450Y - Air-float platform - Google Patents

Air-float platform Download PDF

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Publication number
CN2813450Y
CN2813450Y CN 200520043487 CN200520043487U CN2813450Y CN 2813450 Y CN2813450 Y CN 2813450Y CN 200520043487 CN200520043487 CN 200520043487 CN 200520043487 U CN200520043487 U CN 200520043487U CN 2813450 Y CN2813450 Y CN 2813450Y
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CN
China
Prior art keywords
air
slide plate
supporting slide
air supporting
float
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Expired - Fee Related
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CN 200520043487
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Chinese (zh)
Inventor
王北江
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Shanghai Aerospace System Engineering Institute
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Shanghai Aerospace System Engineering Institute
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Priority to CN 200520043487 priority Critical patent/CN2813450Y/en
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Abstract

The utility model discloses a low-friction air-float platform which can simulate the motion state of objects with large quality in the zero-gravity environment. The air-float platform comprises an air-float sliding plate, an air-float basic platform and a trimming hoisting jack, wherein the air-float sliding plate is arranged on the air-float basic platform which is supported by the trimming hoisting jack, and the load is arranged on the upper surface of the air-float sliding plate. An air inlet device is arranged on the side surface of the air-float sliding plate, and the pure compressed air is input by the air inlet device. When the compressed air which is larger than 0.2 MPa is input to the air-float basic platform of the utility model, the load from 0 kg to 15000 kg can be supported, and the three-dimensional plane motion can be carried out under the action of the 2N initial force. The utility model is suitable for the precision drive of the objects with large quality and is suitable for the three-dimensional plane motion of the objects with large quality in the zero-gravity state, and the utility model is especially suitable for tests for simulating the motion state of deep space vehicles on ground after receiving external force.

Description

Air floating platform
Technical field
The utility model belongs to mechanical engineering field.Be specifically related to a kind of low friction air floating platform that can simulate big mass objects weightlessness state of kinematic motion.
Background technology
Object is that the friction force that gravity environment produces hinders object of which movement, changes the initial motion state of object in the difference of gravity environment and weightlessness physical motion state.Usually, the accurate driving of the object of big quality adopted roll mode, the still bigger friction drag of existence of comparing with weightlessness.Under the gravity environment condition, the big mass objects state of kinematic motion of simulation space weightlessness test method has following two kinds usually:
(1) adopt rope to hang object.This method can only be simulated object at the straight line of horizontal surface with rotatablely move, and actual conditions, because the height-limited rope making rope of sling point just can not long enough, therefore has the single pendulum effect of gravity and influences the free motion state of object.This method also is difficult to object is applied initial action power accurately;
(2) adopt low friction rolling guide rail.This method can only be simulated object at the one-dimensional horizontal rectilinear motion, and the coulomb friction that is produced by contact is bigger, will directly influence the free motion state of object.
The utility model content
In order to overcome the friction force that under the gravity environment condition, produces because of gravity, the utility model provides a kind of air floating platform, this air floating platform can be suspended on the gas membrane by carrying object, the three-dimensional planar motion is carried out in the friction force influence that gravity produces when overcoming motion freely under the effect of starting force.
To achieve these goals, a kind of air floating platform that the utility model proposes, comprise: air supporting slide plate, air supporting basic platform and fine setting jack, the air supporting slide plate is placed on the air supporting basic platform, the fine setting jack supports the air supporting basic platform, load is installed in air supporting slide plate upper surface, and air inlet system is installed in air supporting slide plate side, by the clean pressurized air of air inlet system input.
The utility model adopts the gentle floating foundation plinth of air supporting slide plate platform, use the gas-static principle, with the capillary throttle nozzle throttling of pressurized air through the air supporting slide plate, between air-floatation planar, form air film, because the leveling effect of air film is evenly distributed on load on the whole air-floatation planar, hold up the air supporting slide plate by gas membrane, the air supporting slide plate is suspended on the air supporting basic platform together with load.The gentle floating foundation plinth of air supporting slide plate flat-bed body adopts grouan material to make, air supporting slide plate upper surface is a carrying surface, lower surface is an air-floatation planar, air supporting slide plate inside is distributed with some gas circuits that are interconnected and air chamber, lower surface is divided into four air supporting zones by cross recess, four air flotation zone field surfaces are inlayed 36 metal capillary throttle nozzles, the capillary throttle nozzle is communicated with air supporting slide plate inner air path, capillary throttle nozzle in each zone is linked up by balancing slit at air-floatation planar, and gas path joint is housed in the side of air supporting slide plate and one way stop peturn valve is communicated with air supporting slide plate inner air path.The air supporting slide plate is placed on the planeness air supporting basic platform identical with the air supporting slide plate, by gas path joint pressure gas is injected in the air supporting slide plate, when air supporting slide plate inside reaches certain pressure, gas forms the gas membrane of high rigidity between the gentle floating foundation plinth of air supporting slide plate platform surface by ejection of capillary throttle nozzle and process balancing slit, at this moment, the air supporting slide plate is suspended on the air supporting basic platform together with load, because the viscosity of gas almost can be ignored, do not produce friction force when therefore moving.
With respect to prior art, the air supporting slide plate input of the utility model dimensional structure is greater than the air pressure of 0.2MPa, just can float the load of 0~15000Kg, very energy-conservation air consumption only is 200L/min, motion steadily, easily, freely, there is not friction, noiselessness, the motion smoothness is less than 0.002mm, air-film thickness is: 0.005mm ~ 0.010mm, and air supporting slide plate inside is provided with air chamber, even block source of the gas in normal course of operation, the air supporting slide plate still can hold up load and keep for 30 times in second, actual condition of service, during air supporting slide plate load 15000Kg, the external force that applies 2N just can drive.The utility model is applicable to that the precision of big mass objects drives, and is suitable for simulating the three-dimensional planar motion of big mass objects state of weightlessness, is specially adapted to the test of state of kinematic motion after the ground simulation space craft is subjected to external force.
Description of drawings
Fig. 1 air floating platform outside drawing of the present utility model;
Fig. 2 air supporting skateboard of the present utility model figure;
Fig. 3 air supporting skateboard of the present utility model longitudinal sectional drawing (A-A section);
Fig. 4 air supporting skateboard of the present utility model transverse cross-sectional view (B-B section);
The constructional drawing of Fig. 5 fine setting jack of the present utility model;
The constructional drawing of Fig. 6 capillary throttle nozzle of the present utility model;
The constructional drawing of Fig. 7 plug of the present utility model.
Wherein: 1 is the air supporting slide plate; 2 are the air supporting basic platform; 3 are the fine setting jack; 4 is air inlet system; 5 is air pressure alarm; 6 is the gas circuit T-pipe joint; 7 is one way stop peturn valve; 8 is air connector and flexible pipe; 9 is the capillary throttle nozzle; 10 is balancing slit; 11 are the cross groove of giving vent to anger; 12 is compression indicator; 13 is plug; 14 is air storage chamber; 15 is gas channels; 16 is connecting bore; 17 is pedestal; 18 are the fine setting screw rod; 19 is the top cap; 20 is the capillary cutoff port.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, the air floating platform that the utility model one embodiment provides mainly comprises: air supporting slide plate 1, air supporting basic platform 2 and fine setting jack 3, air supporting slide plate 1 is placed on the air supporting basic platform 2, fine setting jack 3 supports the air supporting basic platform, load is installed in air supporting slide plate 1 upper surface, air inlet system 4 is installed in air supporting slide plate 1 side, by the clean pressurized air of air inlet system 4 inputs.
As shown in Figure 1, air supporting basic platform 2 adopts the rectangle grouan material to make, and can select area by range of movement according to demand, and the planeness of air supporting basic platform 2 should be better than 0.005mm/m 2
As shown in Figure 5, fine setting jack 3 is made up of pedestal 17, fine setting screw rod 18, top cap 19, pedestal adopts cast steel material, fine setting screw rod 18 adopts closely-pitched rib-loop Quenching Treatment, fine setting screw rod 18 heads adopt bulb, make top cap 19 can adapt to certain angle and change, top cap 19 with adopt that to be threaded into rear flange spacing being connected of fine setting screw rod, prevent top cap 19 and finely tune screw rod 18 and separate.
As shown in Figure 2, adopt grouan material to make air supporting slide plate 1, according to the area of load selection air supporting slide plate 1, load-carrying capacity 15000Kg/m 2Air supporting slide plate plane lapping processing plane degree is better than 0.003mm (not allowing protruding), at the position shown in Figure 2 processing cross groove 11 of giving vent to anger, air supporting slide plate 1 plane is divided into the zone that four areas equate, be the balancing slit 10 that sphere of movements for the elephants shape distributes every zone processing, the center of sphere of movements for the elephants overlaps with the center in zone.
As shown in Figure 2, air inlet system 4 is made up of gas circuit T-pipe joint 6, air pressure alarm 5, one way stop peturn valve 7, air connector and flexible pipe 8, gas circuit T-pipe joint 6 is spirally connected with the plug 13 of air supporting slide plate 1 side connecting bore, air pressure alarm 5 is spirally connected with gas circuit threeway 6, one way stop peturn valve 7 be spirally connected with gas circuit threeway 6, air connector and flexible pipe 8 are spirally connected with one way stop peturn valve 7.
As shown in Figure 3, the intersection point place of every balancing slit on air supporting slide plate 1 (totally 36) vertical and air supporting slide plate 1 plane processing air storage chamber 14,
As shown in Figure 4, at air supporting slide plate 1 side processing gas channels 15, gas channels 15 connects all air storage chambers 14, and process diameter and gas channels 15 identical connecting bores 16 respectively at air supporting slide plate 1 two side faces midway location, and be communicated with gas channels 15,
After gas channels 15, air storage chamber 14 and connecting bore 16 machine, with high pressure gas and high pressure water purge gas repeatedly, after finally drying up with high pressure gas, ratio preparation epoxy resin and curing agent in 2: 1, modulation evenly back adds 8 times acetone and makes diluent, diluent is sprayed into gas channels 15 and air storage chamber 14 makes diluent attached on the hole wall with spray gun.
As shown in Figure 3, after treating the diluent complete curing, an end of air storage chamber 14 is inlayed capillary throttle nozzle 9, and the other end is inlayed plug 13 sealings, gas channels 15 2 ends are inlayed plug 13 sealing, and two connecting bores 16 are inlayed be spirally connected respectively behind the plug 13 air inlet system 4 and compression indicator 12.
As shown in Figure 6, capillary throttle nozzle 9 adopts H62 brass to make and Passivation Treatment, one is processed into taper, cylindrical is provided with storage glue groove, capillary cutoff port 20 aperture Φ 0.15mm~Φ 0.20mm, when inlaying, ratio preparation epoxy resin and curing agent in 2: 1, spread upon on the cylindrical of capillary throttle nozzle 9 equably and air storage chamber 14 apertures, capillary throttle nozzle conical end is aimed at hole, air storage chamber 14 aperture, slowly screw in until capillary throttle nozzle 9 surfaces by a direction and be lower than air supporting slide plate 1 surperficial 0.03mm ~ 0.05mm.
As shown in Figure 7, plug 13 adopts the 1Cr18Ni9Ti corrosion-resistant steel to make, plug 13 external diameters and gas channels 15,14 mouthfuls of air storage chambers, gap 0.2mm ~ the 0.3mm in connecting bore 16 apertures, plug 13 cylindricals are taked annular knurl to handle and are provided with storage glue groove, the central authorities of plug 13 are provided with tapped through hole, screw 21 with the special use of band seal ring is realized side seal, dismounting and be spirally connected air inlet system 4 and compression indicator 12 when being convenient to keep in repair from now on, ratio preparation epoxy resin and curing agent in 2: 1, spread upon on the cylindrical of plug 13 equably and gas channels mouth 15 and air storage chamber 14 apertures, plug 13 is slowly screwed in by a direction, concordant until the plug surface with air supporting slide plate 1 surface.

Claims (7)

1. air floating platform, comprise: air supporting slide plate (1), air supporting basic platform (2) and fine setting jack (3), it is characterized in that air supporting slide plate (1) is placed on the air supporting basic platform (2), fine setting jack (3) supports the air supporting basic platform, load is installed in air supporting slide plate (1) upper surface, air inlet system (4) is installed in air supporting slide plate (1) side, by the clean pressurized air of air inlet system (4) input.
2. air floating platform according to claim 1, it is characterized in that: the air-floatation planar of air supporting slide plate (1) is divided into four zones by the cross groove (11) of giving vent to anger, each areal distribution sphere of movements for the elephants shape balancing slit (10), the interface point of every balancing slit is all inlayed capillary throttle nozzle (9), air storage chamber (14) and gas channels (15) in capillary throttle nozzle (9) and the air supporting slide plate (1) are communicated with, air storage chamber (14) port and gas path pipe (15) port be by plug (13) sealing, at the two side faces of air supporting slide plate (1) be spirally connected respectively air inlet system (4) and air-pressure gauge.
3. air floating platform according to claim 1, it is characterized in that: air inlet system (4) is made of the plug 13 of gas circuit T-pipe joint (6) and air supporting slide plate (1) side connecting bore gas circuit T-pipe joint (6), air pressure alarm (5), one way stop peturn valve (7), air connector and flexible pipe (8)) be spirally connected, air pressure alarm (5) is spirally connected with gas circuit threeway (6), one way stop peturn valve (7) be spirally connected with gas circuit threeway (6), air connector and flexible pipe (8) and one way stop peturn valve (7) are spirally connected.
4. air floating platform according to claim 2 is characterized in that: capillary throttle nozzle (9) cylindrical is provided with storage glue groove; One end is taper; Adopt curable epoxide to be embedded in the air supporting slide plate (1), the capillary throttle nozzle is lower than granite surface 0.03mm ~ 0.05mm; Capillary throttle diameter Φ 0.15mm~Φ 0.20mm.
5. air floating platform according to claim 2 is characterized in that: inner all air storage chambers (14) of air supporting slide plate (1) and gas channels (15) connect.
6. according to claim 2 or 3 described air floating platforms, it is characterized in that: the plug cylindrical is provided with storage glue groove; The central authorities of plug are provided with tapped through hole; Screw (21) with the special use of band seal ring is realized side seal.
7. air floating platform according to claim 1 is characterized in that: the fine setting screw head of fine setting jack (3) adopts bulb, and to be threaded into rear flange spacing in the employing that is connected of top cap (19) and fine setting screw rod.
CN 200520043487 2005-07-15 2005-07-15 Air-float platform Expired - Fee Related CN2813450Y (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100465794C (en) * 2006-10-09 2009-03-04 中南大学 Stepped scanning photoetching machine vibration isolation system analoy experimental apparatus
CN101936807A (en) * 2010-08-19 2011-01-05 北京理工大学 Spatial intelligent following floated platform
CN101575013B (en) * 2009-06-15 2012-01-18 哈尔滨工业大学 Intelligent three dimensional microgravity air feet
CN103214188A (en) * 2012-01-18 2013-07-24 昆山思拓机器有限公司 Height-positioning gas pressure support device
CN103214187A (en) * 2012-01-18 2013-07-24 昆山思拓机器有限公司 Novel universal gas support mechanism
CN103950584A (en) * 2014-05-04 2014-07-30 安徽永成电子机械技术有限公司 Gas jetting device for automatic supplying of thin bags
CN103956939A (en) * 2014-04-30 2014-07-30 西北工业大学 Compound control method for array type electromagnet-permanent magnet system used for space microgravity ground-based simulation
CN104002996A (en) * 2014-06-20 2014-08-27 哈尔滨工业大学 Large-range gas floating translation device based on plasma boosting driving
CN104015943A (en) * 2014-06-20 2014-09-03 哈尔滨工业大学 Mass compensation system of gas floatation planar motion platform
CN104908014A (en) * 2015-07-06 2015-09-16 哈尔滨工业大学 Cooling air thrust device of six degrees of freedom air-floating platform and cooling air thrust method of device
CN104986359A (en) * 2015-06-11 2015-10-21 北京控制工程研究所 Six-degree-of-freedom air bearing table gravity balance control system and control method
CN106184722A (en) * 2016-09-20 2016-12-07 中国建筑材料科学研究总院 Gas suspension equipment that a kind of second-mission aircraft takes off and system
CN106468566A (en) * 2015-08-18 2017-03-01 由田新技股份有限公司 Air-float carrying platform
CN106596022A (en) * 2016-11-02 2017-04-26 上海空间推进研究所 System for tank sloshing test by using air-cushion floating technology
CN104483110B (en) * 2014-11-19 2017-08-15 哈尔滨电气动力装备有限公司 High precision fine tuning positioner
CN111421530A (en) * 2020-03-27 2020-07-17 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) Micro-gravity experimental platform for rope-driven flexible mechanical arm
CN114044177A (en) * 2021-11-30 2022-02-15 北京卫星制造厂有限公司 Air floatation support unloading test device and method
CN116608208A (en) * 2023-06-21 2023-08-18 苏州速易德工业装备系统有限公司 High-precision air-float guide rail

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100465794C (en) * 2006-10-09 2009-03-04 中南大学 Stepped scanning photoetching machine vibration isolation system analoy experimental apparatus
CN101575013B (en) * 2009-06-15 2012-01-18 哈尔滨工业大学 Intelligent three dimensional microgravity air feet
CN101936807A (en) * 2010-08-19 2011-01-05 北京理工大学 Spatial intelligent following floated platform
CN103214187B (en) * 2012-01-18 2016-07-06 昆山思拓机器有限公司 A kind of universal air supporting mechanism
CN103214188A (en) * 2012-01-18 2013-07-24 昆山思拓机器有限公司 Height-positioning gas pressure support device
CN103214187A (en) * 2012-01-18 2013-07-24 昆山思拓机器有限公司 Novel universal gas support mechanism
CN103956939A (en) * 2014-04-30 2014-07-30 西北工业大学 Compound control method for array type electromagnet-permanent magnet system used for space microgravity ground-based simulation
CN103956939B (en) * 2014-04-30 2016-03-02 西北工业大学 For the composite control method of the array electromagnetism-permanent magnet system of space microgravity ground simulation
CN103950584A (en) * 2014-05-04 2014-07-30 安徽永成电子机械技术有限公司 Gas jetting device for automatic supplying of thin bags
CN104002996A (en) * 2014-06-20 2014-08-27 哈尔滨工业大学 Large-range gas floating translation device based on plasma boosting driving
CN104015943A (en) * 2014-06-20 2014-09-03 哈尔滨工业大学 Mass compensation system of gas floatation planar motion platform
CN104002996B (en) * 2014-06-20 2016-04-13 哈尔滨工业大学 Based on the translation device of air supporting on a large scale that Plasma propulsion drives
CN104483110B (en) * 2014-11-19 2017-08-15 哈尔滨电气动力装备有限公司 High precision fine tuning positioner
CN104986359A (en) * 2015-06-11 2015-10-21 北京控制工程研究所 Six-degree-of-freedom air bearing table gravity balance control system and control method
CN104908014A (en) * 2015-07-06 2015-09-16 哈尔滨工业大学 Cooling air thrust device of six degrees of freedom air-floating platform and cooling air thrust method of device
CN106468566A (en) * 2015-08-18 2017-03-01 由田新技股份有限公司 Air-float carrying platform
CN106468566B (en) * 2015-08-18 2020-02-07 由田新技股份有限公司 Air-float carrying platform
CN106184722A (en) * 2016-09-20 2016-12-07 中国建筑材料科学研究总院 Gas suspension equipment that a kind of second-mission aircraft takes off and system
CN106596022A (en) * 2016-11-02 2017-04-26 上海空间推进研究所 System for tank sloshing test by using air-cushion floating technology
CN111421530A (en) * 2020-03-27 2020-07-17 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) Micro-gravity experimental platform for rope-driven flexible mechanical arm
CN114044177A (en) * 2021-11-30 2022-02-15 北京卫星制造厂有限公司 Air floatation support unloading test device and method
CN114044177B (en) * 2021-11-30 2023-08-15 北京卫星制造厂有限公司 Air floatation support unloading test device and method
CN116608208A (en) * 2023-06-21 2023-08-18 苏州速易德工业装备系统有限公司 High-precision air-float guide rail

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060906

Termination date: 20130715