CN104015719B - Air force flotation gear - Google Patents

Air force flotation gear Download PDF

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Publication number
CN104015719B
CN104015719B CN201410253050.0A CN201410253050A CN104015719B CN 104015719 B CN104015719 B CN 104015719B CN 201410253050 A CN201410253050 A CN 201410253050A CN 104015719 B CN104015719 B CN 104015719B
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Prior art keywords
price fixing
rotating disk
gap
flotation gear
air
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CN201410253050.0A
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CN104015719A (en
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潘晓江
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Individual
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Abstract

The present invention relates to a kind of air force flotation gear, it is characterised in that: including rotating disk, price fixing and the actuating unit being supported on price fixing, described rotating disk is provided in round and its upper surface is shaped to smooth surface of revolution;Described rotating disk is arranged at above described price fixing and by a rotating shaft and described actuating unit drive connection;The gap of 0mm~5mm it is formed with between described price fixing and described rotating disk;Also include vacuum generating device air between described price fixing and described rotating disk can discharged.When actuating unit drives rotating disk to rotate relative to price fixing, under the effect of vacuum generating device, making to form an area of low pressure between price fixing and rotating disk, this device is by changing the density of its positive and negative air so that it is obtain lift upwards, this device is applied on weight, it is achieved thereby that make weight float on aerial purpose, and, this apparatus structure is simple, cost is low, energy consumption is little, it is simple to popularization and application on a large scale.

Description

Air force flotation gear
Technical field
The present invention relates to a kind of power assist apparatus that can be used on aircraft, boats and ships, vehicle, refer specifically to a kind of air force Flotation gear.
Background technology
The vehicles such as existing aircraft, boats and ships, vehicle are the most all dependent on gasoline or Diesel engine provides power, Energy consumption is relatively big, and the gasoline that it is relied on, diesel oil etc. belong to non-renewable resources, and the development angle long-term from the mankind is come Seeing, we should reduce resource consumption as far as possible.In the driving process of the vehicles such as aircraft, boats and ships, vehicle, Overcome the self gravitation of the vehicles to greatest extent so that it is be in floating state, the vehicles and current can be effectively reduced Or the friction between road surface, reduce energy consumption.And current technology can only realize the suspension of aircraft, boats and ships and vehicle etc. then without Method is in floating state.And, it is also more that be made by fixing wing realization that aircraft flies away from ground, and fixing wing type aircraft rises The speed that the lift flown need to rely on aircraft to advance obtains, and in order to make it have sufficiently large speed, needs to arrange specially necessarily The runway run-up of length, this not only wastes human and material resources resource, also due to aircraft take off with land too busy to get away Runway, and result in the generation of a lot of aircraft accident.Existing helighro can be without relying on runway Can take off, but its cost is high, energy consumption is big, and flying distance is limited, it is difficult to popularize as the common vehicles.
Summary of the invention
The technical problem to be solved is the present situation for prior art, it is provided that a kind of cost is low, energy consumption is little, energy Weight is made to float on aerial air force flotation gear.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of air force flotation gear, its feature exists In: including rotating disk, price fixing and the actuating unit being supported on price fixing, described rotating disk is provided in round and its upper surface molding For smooth surface of revolution;Described rotating disk is arranged at above described price fixing and is driven even with described actuating unit by a rotating shaft Connect;The gap of 0mm~5mm it is formed with between described price fixing and described rotating disk;The most also include that one can be by described fixed The vacuum generating device that between dish and described rotating disk, air is discharged.
As a further improvement on the present invention, the described gap nearly rotating disk between disk lower surface and price fixing upper surface Edge, forms an inner chamber, and the height of this inner chamber is more than the height in gap between rotating disk and the price fixing inside described gap. For assembly of the invention, the gap size between price fixing and rotating disk is the smaller the better, and during actual manufacture, price fixing and rotating disk Between the highest and closely located price fixing and the rotating disk of the least production difficulty in gap between easily there is friction, cause material to grind Damage serious, increase production cost;And using said structure, it is big that the existence of inner chamber not only avoid between price fixing and rotating disk Area weares and teares, and only need to be done by the Edge Distance of corresponding end-faces on price fixing and rotating disk and little can meet requirement, reduces life Produce manufacture difficulty.
As preferably, described vacuum generating device includes that aspirating hole and vacuum pump, described aspirating hole are opened in described fixed On dish and with described intracavity inter-connection, described vacuum pump bleed end connect above-mentioned aspirating hole.Use said structure, utilize Air in inner chamber is extracted out by vacuum pump, is allowed to be formed as a low pressure chamber, is conducive to increasing the lift of device.
As preferably, described vacuum generating device is that several are opened on the outer peripheral face of described rotating disk and towards in rotating disk The duct of the heart, the end in this duct downwardly extends and described intracavity inter-connection.Above-mentioned duct along the circumferentially-spaced layout of rotating disk, When turntable rotation, the linear velocity on periphery is bigger than the linear velocity of immediate vicinity, therefore, at the opening of the channel on periphery Air pressure less than the air pressure at immediate vicinity opening of the channel, the air of inner chamber will flow outwardly by passing hole channel, so that inner chamber Producing low pressure, the rotating disk of this structure can be not required to be further provided with vaccum-pumping equipment, thus the auxiliary simplifying this device sets Standby, expand the practicality of device.
Further, an annulus part is sheathed on the outer peripheral face of described price fixing, and dismantles mutually with described price fixing and be connected, Described gap is formed between upper end and the rotating disk of this annulus part.As preferably, the top of described annulus part is inwardly convexly equipped with Several connecting portions, and each connecting portion is respectively provided with an installing hole, corresponding, described price fixing has a screwed hole, One screw rod is arranged in above-mentioned installing hole and threadeds mutually with described screwed hole.Due to when actual production manufactures, price fixing with The least production difficulty in gap between rotating disk is the biggest, in order to reduce production difficulty, uses said structure, during use, Even if creating abrasion and making gap increase, it is also possible to by rotary screw, drive and move on annulus part, thus regulate rotating disk And the clearance distance between price fixing, to reach in limited range easily.
In order to prevent air from flowing between above-mentioned annulus part and price fixing periphery, the outer peripheral face of described price fixing and described annulus part Inner peripheral surface between be additionally provided with at least one sealing ring.
Preferably, having the groove of a circumference at the upper surface proximal edge of described price fixing, this bottom portion of groove is provided with at least one The individual passage being connected with ambient atmosphere, what a ring-shaped article can move up and down is inserted in above-mentioned groove, this ring-shaped article upper Described gap is formed between end and rotating disk.During use, can first adjust ring-shaped article and make gap be a size the least, when In inner chamber, atmospheric density is less than time extraneous, and air first passes through gap and produces certain flow velocity, thus in the upper plane of ring-shaped article Produce suction upwards, make gap become less, but when gap when between the upper plane and rotating disk of ring-shaped article is the least, flow through The air velocity in gap will decline, and ring-shaped article suction upwards declines the most therewith, ring-shaped article under the effect of self gravitation, Move down, so can make gap be maintained at one suitably in the range of, i.e. avoid strong friction, can keep again The least gap, so that inner chamber has a stable low pressure.
As preferably, an annulus part is sheathed on the outer peripheral face of described price fixing, and dismantles mutually with described price fixing and be connected, institute Stating the groove having a circumference at the upper surface proximal edge of annulus part, this bottom portion of groove is provided with at least one and ambient atmosphere The passage being connected, what a ring-shaped article can move up and down is inserted in above-mentioned groove, between upper end and the rotating disk of this ring-shaped article Gap described in formation.Use said structure, the manually regulation of gap width be automatically adjusted with air-flow and combine, in order to In reaching more preferable effect.
Preferably, described price fixing has the through hole passed for above-mentioned rotating shaft, is provided with between described through hole and described rotating shaft Bearing and gas seal member.
Compared with prior art, owing to the invention provides a kind of air force drift including rotating disk, price fixing and actuating unit Floating device, therefore when actuating unit drives rotating disk to rotate relative to price fixing, under the effect of vacuum generating device so that An area of low pressure is formed between price fixing and rotating disk, according to Bernoulli equation, under atmospheric pressure effect, when fluid velocity is accelerated, Object contacts with fluid, and interface upward pressure reduces, otherwise can increase, this device by changing the density of its positive and negative air, Make the lift which gived upwards, this device is applied on weight, it is achieved thereby that weight to be floated on aerial purpose, Further, this apparatus structure is simple, and cost is low, energy consumption is little, it is simple to popularization and application on a large scale.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structure for amplifying schematic diagram of part A in Fig. 2;
Fig. 4 is the structural representation of the embodiment of the present invention 3;
Fig. 5 is the structure for amplifying schematic diagram of part B in Fig. 4;
Fig. 6 is the structural representation of the embodiment of the present invention 4;
Fig. 7 is the structure for amplifying schematic diagram of C portion in Fig. 6;
Fig. 8 is the structural representation of the embodiment of the present invention 5;
Fig. 9 is the sectional view in A A direction along Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1:
As it is shown in figure 1, the air force flotation gear of the present embodiment includes that rotating disk 1, price fixing 2, actuating unit are (in figure Do not show) and vacuum generating device, rotating disk 1 and price fixing 2 are disposed as circle, and the upper surface of rotating disk 1 is shaped to smooth Surface of revolution, to ensure the uniform force everywhere on rotating disk 1;Rotating disk 1 is arranged at above price fixing 2 and can be relative to fixed Dish 2 rotates, and rotating disk 1, by a rotating shaft 4 and actuating unit drive connection, price fixing 2 has for leading to that rotating shaft 4 passes Hole 21, is provided with bearing 40 and gas seal member 41 between through hole 21 and rotating shaft 4;It is formed between price fixing 2 and rotating disk 1 One gap 10, the width H in this gap 10 is 0mm~5mm.In the present embodiment, gap 10 is positioned at rotating disk 1 Between the edge of lower surface and price fixing 2 upper surface, between rotating disk 1 and the price fixing 2 inside gap 10, form an inner chamber 20, And the height W of this inner chamber 20 is more than the width H in gap 10, as long as so guaranteeing on rotating disk 1 lower surface and price fixing 2 The machining accuracy of the edge of end face, it is possible to reach the dimensional requirement in gap, to reduce between rotating disk 1 and price fixing 2 Machining accuracy, avoids rotating disk 1 to rub with price fixing 2 phase in rotation process simultaneously;The vacuum generating device bag of the present embodiment Including aspirating hole 31 and vacuum pump (not shown), aspirating hole 31 can be one, it is also possible to for multiple, aspirating hole 31 Being opened on price fixing 2 and be connected with inner chamber 20, the end of bleeding of vacuum pump connects aspirating hole 31, during use, utilizes true Air in inner chamber 20 is extracted out by empty pump, is allowed to be formed as a low pressure chamber, is conducive to increasing the lift of device.
The mechanism of the present embodiment is as follows: according to aerodynamic principle, and air velocity more high pressure is the lowest, otherwise flow velocity is more Low-pressure is the highest, when air flows through body surface, will produce and be perpendicular to airflow direction and the liter away from body surface Power, its mathematic(al) representation is:
P=ρ0ν2S/2
Wherein,
P is the lift vector that body surface is perpendicular to airflow direction;
ρ0Density (kg/m for air3);
ν is the speed (m/s) of object of which movement;
S is the active area (m of object and air-flow2);
When the object of a circle rotates in atmosphere, suffered by its circular surface, the lift of air is represented by:
P=ρ0·f(ν,S)/2
Wherein, speed ν, area S are the functions of variable r, it may be assumed that ν=2 π nr, S=2 π r △ r, △ r is integration Variable, obtains through integration:
P=ρ0·π3·n2·r4
Wherein,
N is the speed (revolutions per second) that object rotates;
R is the radius (m) of object;
Under normal circumstances, circular object rotates due to tow sides area equation in atmosphere, and angular velocity is equal, and air is close Spend equal, so the lift being subject to is equal in magnitude, in opposite direction, and showing as lift is 0 (or the least);If it is circular Object tow sides atmospheric density is unequal, then the power suffered by two sides is the most unequal.If the air in circular object front Density is ρ ', and the atmospheric density of reverse side is ρ ", the aerodynamic force suffered by circular object front is P ', then:
P '=ρ ' π3·n2·r4
Aerodynamic force suffered by circular object reverse side is P ", then:
P "=ρ " π3·n2·r4
Obviously, PMake a concerted effort=P '-P ' '=ρ ' π3·n2·r4-ρ”·π3·n2·r4
=(ρ '-ρ ") π3·n2·r4
According to above-mentioned formula, the flotation gear of the present embodiment is carried out force analysis as follows:
As it is shown in figure 1, at upper and lower surface and the upper and lower surface of price fixing 2 of rotating disk 1 all by pressure that air is vertical.Dress Each side put also can be because these power are the most equal in magnitude, in opposite direction by the pressure of all directions of air, So the pressure of each side of device is not considered.Assuming that surrounding air density is ρ0Time pressure be p0, then act on and turn Pressure P above dish 11The pressure p produced equal to ambient pressure0The difference of the lift of S and rotating disk 1, it may be assumed that
P1=p0S-ρ0·π3·n2·r4, direction is downward
Assuming that the atmospheric density of inner chamber is ρ1Time pressure be p1, then the pressure P below rotating disk 1 is acted on2Equal in inner chamber Air pressure p1S and rotating disk 1 rotate the difference of the downward lift produced, it may be assumed that
P2=p1S–ρ1·π3·n2·r4, direction is upwards
Owing to price fixing does not rotates, so acting on the pressure P above price fixing 23Equal to inner chamber is sealed into ρ1Air produce Raw pressure p1S, it may be assumed that
P3=p1S, direction is downward
In like manner, owing to price fixing does not rotates, so acting on the pressure P below price fixing 24The pressure produced equal to ambient pressure Power p0S is i.e.:
P4=p0S, direction is upwards
Then act on external force sum P on flotation gearCloseEqual to P1、P2、P3、P4Vector, it may be assumed that
PClose=-P1+P2-P3+P4=(ρ0–ρ13·n2·r4, direction is upwards
It is not difficult to find out from above formula, when radius r and rotating speed n mono-timing of rotating disk 1, if atmospheric density ρ in inner chamber1 Atmospheric density ρ less than environment0, this device will produce lift upwards, and ρ1The least lift is the biggest, therefore, and profit With the vacuum generating device in the present embodiment, the air in inner chamber is extracted out, make inner chamber be formed as the low pressure being close to vacuum Chamber, can make the flotation gear of the present embodiment obtain a sufficiently large lift upwards, so that it floats in air.
It should be noted that ρ1Can not be less than 0, the ρ that the diameter 2r and rotating speed n of rotating disk 1 is also affected by1Limit, Can not be infinitely great, the linear velocity of rotating disk 1 outer rim can be controlled in about velocity of sound.
Embodiment 2:
According to embodiment 1 acts on the P on flotation gearCloseFormula understands, the gap between price fixing 2 and rotating disk 1 10 width H level off to 0 time, ρ1It is 0, is now in a kind of perfect condition, i.e. without vacuum generating device, can make Flotation gear obtains a lift upwards, but this kind of situation cannot realize, therefore, and can only be between price fixing 2 and rotating disk 1 Gap 10 do little as far as possible, and actual when manufacturing, the least production difficulty in gap 10 between price fixing 2 and rotating disk 1 is the highest, And easily there is friction between closely located price fixing 2 and rotating disk 1, cause material serious wear, increase production cost;? In real work, along with the rotation of rotating disk 1, at gap 10, rotating disk 1 can rub with price fixing 2 unavoidably, and Increase gap 10 width.For the size of the most on-demand regulation gap 10 width H, as shown in Figure 2,3, price fixing 2 Outer peripheral face on be arranged with an annulus part 5, annulus part 5 is connected with the dismounting of price fixing 2 phase, the upper end of this annulus part 5 with turn Forming gap 10 between dish 1, concrete, the top of annulus part 5 is inwardly convexly equipped with several connecting portions 51 and each company Connect and in portion 51, be respectively provided with an installing hole 511, corresponding, price fixing 2 has a screwed hole 25, a screw rod 50 wears In above-mentioned screwed hole 25 with in installing hole 511, during use, screw rod 50 is rotated up, drive on annulus part 5 Move, thus regulate the width H in the gap 10 between rotating disk 1 and price fixing 2.In order to prevent air at annulus part 5 with fixed Between dish 2 periphery flow, be additionally provided with between the outer peripheral face of price fixing 2 with the inner peripheral surface of annulus part 5 at least together with sealing ring 6, the present embodiment is provided with 2 roads.
Embodiment 3:
The present embodiment is with the difference of embodiment 1: as shown in Figure 4,5, and the present embodiment is near in the upper surface of price fixing 2 Edge has the groove 23 of a circumference, is provided with at least one passage being connected with ambient atmosphere bottom this groove 23 24, what a ring-shaped article 7 can move up and down is inserted in above-mentioned groove 23, shape between upper end and the rotating disk 1 of ring-shaped article 7 Becoming gap 10, the ring-shaped article 7 in this enforcement can be an overall endless member, it is also possible to be that segmentation constitutes ring-type knot Multiple parts of structure, during use, can first adjust ring-shaped article 7, make the width in gap 10 between this ring-shaped article 7 to rotating disk 1 Degree H is a size the least, when in inner chamber 20, atmospheric density is less than time extraneous, and air first passes through gap 10 and produces one Fixed flow velocity, thus produce suction upwards in the upper plane of ring-shaped article 7, make gap 10 become less, but when ring-type When gap 10 between the upper plane of part 7 and rotating disk 1 is the least, the air velocity flowing through gap 10 will decline, ring-shaped article 7 suction upwards decline the most therewith, and ring-shaped article 7, under the effect of self gravitation, moves down, and so can make gap 10 be maintained at one suitably in the range of, i.e. avoid strong friction, the least gap 10 can be kept again, so that interior There is a stable low pressure in chamber.
Embodiment 4:
The present embodiment is with the difference of embodiment 1: as shown in Figure 6,7, and the present embodiment is on the outer peripheral face of price fixing 2 Being arranged with an annulus part 5, annulus part 5 is connected with the dismounting of price fixing 2 phase, concrete, the inside projection in top of annulus part 5 Have on several connecting portions 51 and each connecting portion 51 and be respectively provided with an installing hole 511, corresponding, price fixing 2 has One screwed hole 25, a screw rod 50 is arranged in above-mentioned screwed hole 25 and installing hole 511;Meanwhile, the present embodiment is at annulus Have the groove 52 of a circumference at the upper surface proximal edge of part 5, be provided with at least one bottom this groove 52 big with the external world The passage 53 of gas phase connection, what a ring-shaped article 8 can move up and down is inserted in above-mentioned groove 52;Employing above two is tied Structure cooperates to realize the large and small regulation of the width H to gap 10, and range of accommodation is more accurate.
Embodiment 5:
The present embodiment is with the difference of embodiment 2: as shown in Figure 8,9, if the vacuum generating device of the present embodiment is Dry is opened on the outer peripheral face of rotating disk 1 and towards the duct 12 at rotating disk 1 center, the end in this duct 12 downwardly extends It is connected with inner chamber 20, further, it is preferred that the end in duct 12 is near the center of rotating disk 1, the hole in the present embodiment Road 12 is along the circumferentially-spaced layout of rotating disk 1, and when rotating disk 1 rotates, the linear velocity on periphery is than the line of immediate vicinity Speed is big, and therefore, the air pressure at 12 mouthfuls of the duct on periphery is less than the air pressure at 12 mouthfuls of immediate vicinity duct, inner chamber The air of 20 will flow outwardly by passing hole channel 12, so that inner chamber 20 produces low pressure, the flotation gear of this structure can To be not required to be further provided with vaccum-pumping equipment, thus simplify the auxiliary equipment of this device, expand the practicality of this device.
Further illustrating, in the ideal situation, i.e. the gap 10 width H between rotating disk 1 and price fixing 2 is 0 Time, lift produced by the flotation gear of the present invention is:
PRise0·π3·n2·r4
According to the viscosity theory of newton, the resistance that rotating disk 1 upper surface produces is:
PResistance=4 π2·n·ρ0·r3·C/3
Wherein, C is the coefficient of kinetic viscosity (m/s) of air;
Owing to rotating disk 1 does not has front face area when rotated, the most just there is no frontal resistance, so when rotating disk 1 rotates Resistance mostlys come from the viscosity resistance of air, and the lift-drag ratio of rotating disk 1 is:
PRise/PResistance=(ρ0·π3·n2)/(4/3π2·n·ρ0·r3C)=3 π n r/ (4C)
Assuming that r is 1m, n is 50 revolutions per seconds, it will therefore be readily appreciated that the lift-drag ratio of this device is far longer than conventional aircraft;If Disregarding drive system power attenuation bottom rotating disk, the power attenuation of disk upper surface is W, then W is equal to PResistanceIt is multiplied by Linear velocity ν, PResistanceIt is all the function of variable radius r with ν, it may be assumed that
W=C ρ0·f(ν2,S)
=C ρ0·∫(2πnr)2·2πrdr
=2 π3·n2·r4·ρ0·C
Then rate of climb V=W/P of this deviceRise=(2 π3·n2·r4·ρ0·C)/(ρ0·π3·n2·r4)=2C
Obviously, this is a numerical value the least, it may be said that bright, and this device can use the least driving force and the least driving Power makes rotating disk obtain the biggest lift, does not drops so that this device floats in air, but simultaneously because drives merit Rate is the least, and the rate of climb of this device is very slow, therefore, using this device as during one flight, lifting, push-and-pull etc. Auxiliary device use more particularly suitable.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area For technical staff, the present invention can have various modifications and variations, and in the various embodiments described above, the diameter of price fixing can do Ratio rotating disk big, now rotating shaft and the actuating unit of rotating disk can be supported on a support, and it is fixed that the leg of support is fixed on again On dish, thus without arrange on price fixing through hole for rotating shaft through thus be connected with rotating disk;And for example, the upper surface of rotating disk Can be that plane can also be for arcwall face etc., as long as this upper surface is shaped to surface of revolution, can ensure that on this upper surface everywhere Uniform force;The regulation of the width H in gap is also not limited only to the structure that above example is previously mentioned, the most all Any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, should be included in the guarantor of the present invention Within the scope of protecting.

Claims (7)

1. an air force flotation gear, it is characterised in that: include rotating disk, price fixing and the power being supported on price fixing Mechanism, described rotating disk is provided in round and its upper surface is shaped to smooth surface of revolution;Described rotating disk is arranged at described fixed Above dish and by a rotating shaft and described actuating unit drive connection;It is formed with 1 between described price fixing and described rotating disk The gap of mm~5mm;The most also include that the vacuum that air between described price fixing and described rotating disk is discharged can be filled by one Put;
One annulus part is sheathed on the outer peripheral face of described price fixing, and dismantles mutually with described price fixing and be connected, this annulus part upper Described gap is formed between end and rotating disk;Or
One annulus part is sheathed on the outer peripheral face of described price fixing, and dismantles mutually with described price fixing and be connected, described annulus part Having the groove of a circumference at the proximal edge of upper surface, it is logical that this bottom portion of groove is provided with that at least one is connected with ambient atmosphere Road, what a ring-shaped article can move up and down is inserted in above-mentioned groove, between upper end and the rotating disk of this ring-shaped article described in formation Gap.
Air force flotation gear the most according to claim 1, it is characterised in that: described gap is positioned at rotating disk At nearly disk edge between lower surface and price fixing upper surface, in forming one between rotating disk and the price fixing inside described gap Chamber, and the height of this inner chamber is more than the height in gap.
Air force flotation gear the most according to claim 2, it is characterised in that: described vacuum generating device Including aspirating hole and vacuum pump, described aspirating hole be opened on described price fixing and with described intracavity inter-connection, described vacuum The end of bleeding of pump connects above-mentioned aspirating hole.
Air force flotation gear the most according to claim 2, it is characterised in that: described vacuum generating device Be opened on the outer peripheral face of described rotating disk for several and towards the duct of center of turntable, the end in this duct downwardly extend with Described intracavity inter-connection.
Air force flotation gear the most according to claim 1, it is characterised in that: the top of described annulus part to Inside it is convexly equipped with several connecting portions, and each connecting portion is respectively provided with an installing hole, corresponding, described price fixing has one Screwed hole, a screw rod is arranged in above-mentioned installing hole and threadeds mutually with described screwed hole.
Air force flotation gear the most according to claim 1, it is characterised in that: the outer peripheral face of described price fixing with It is additionally provided with at least one sealing ring between the inner peripheral surface of described annulus part.
7. according to the air force flotation gear described in claim 1~6 any claim, it is characterised in that: described Have the through hole passed for above-mentioned rotating shaft on price fixing, between described through hole and described rotating shaft, be provided with bearing and gas seal member.
CN201410253050.0A 2014-06-09 Air force flotation gear Expired - Fee Related CN104015719B (en)

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Application Number Priority Date Filing Date Title
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CN104015719B true CN104015719B (en) 2016-11-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824048A (en) * 1981-03-05 1989-04-25 Kyusik Kim Induction lift flying saucer
CN101368550A (en) * 2007-08-16 2009-02-18 吴利明 Vacuum type rotary disc
CN102556346A (en) * 2012-02-18 2012-07-11 胡仲勤 Disc booster
CN102774495A (en) * 2012-07-15 2012-11-14 张雄伟 Elevating-force thruster
CN102785797A (en) * 2012-08-16 2012-11-21 汕头市新青罐机有限公司 Rotating disc type leak detection machine for packaging bottle
CN203902536U (en) * 2014-06-09 2014-10-29 潘晓江 Aerodynamic floating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824048A (en) * 1981-03-05 1989-04-25 Kyusik Kim Induction lift flying saucer
CN101368550A (en) * 2007-08-16 2009-02-18 吴利明 Vacuum type rotary disc
CN102556346A (en) * 2012-02-18 2012-07-11 胡仲勤 Disc booster
CN102774495A (en) * 2012-07-15 2012-11-14 张雄伟 Elevating-force thruster
CN102785797A (en) * 2012-08-16 2012-11-21 汕头市新青罐机有限公司 Rotating disc type leak detection machine for packaging bottle
CN203902536U (en) * 2014-06-09 2014-10-29 潘晓江 Aerodynamic floating device

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