CN104773043A - Vector water jet propulsion type amphibious device and working method thereof - Google Patents
Vector water jet propulsion type amphibious device and working method thereof Download PDFInfo
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Abstract
The invention relates to a vector water jet propulsion type amphibious device and a working method thereof. Vector water jet propulsion devices are arranged in driving wheels, and comprise propeller type spokes, steering devices and wheel carriers, wherein the propeller type spokes, the steering devices and the wheel carriers are sequentially arranged in the wheels in a water flow direction; the wheels are coaxially arranged on power shafts; the propeller type spokes are coaxially arranged on the power shafts; the power shafts penetrate through the wheel carriers to freely rotate; the steering devices are arranged on the wheel carriers; a large amount of water is forcibly pushed to the axial directions of the wheels under pushing action on the water generated by the rotation of the propeller type spokes, the direction of water flow passes through the steering devices, and the water flow is jetted backwards to generate reacting force on the wheel carriers. When a vehicle with the propulsion devices is used in a shallow place, rotating propellers are positioned in the wheels, and the vehicle can automatically move forwards in a rolling manner by virtue of the wheels at the bottom of a shallower river without influence on the propeller wheels.
Description
Technical field
The invention belongs to amphibious device, the amphibious device of especially a kind of vector water spraying propelling and method of work thereof.
Background technology
Amphibian automobile concept has proposed for a long time, but always because complex structure, and the reason such as easily damaging, operation easier is large can not promote, and even connect high-grade cross country car, army car is also do not possess this function.
Through retrieval, the existing patented technology of following analogous technical fields and published technology.
A kind of amph automobile (CN103085617A), belongs to automotive field.This automobile comprises car body, chassis, steering blade, controller, DC machine and four tires; The inner side of described four tires is respectively equipped with a power blade; Described controller comprises microprocessor, power circuit, CAN communication module and motor-drive circuit; Power blade of the present invention is set directly at the inner side of tire, is combined into one with tire, power blade just can be driven to rotate by original automobile dynamic system, thus provides power for automobile advances under water.
The amph (CN103917387A) that a kind of ground modes and marine mode can be run, comprising: hull; Be arranged at least one discontinuities (wheel cabin) in hull; And be arranged in that at least one of this at least one discontinuities (wheel cabin) is retractible takes turns or track assembly at least in part.Hull slides hull; And this at least one discontinuities (wheel cabin) is arranged in the forebody of the hull of amph.Amph comprises at least one conduit further, it to lead in this at least one discontinuities (wheel cabin) or open at this at least one discontinuities place, or is provided with and leads in this at least one discontinuities or the open entrance and be configured for and in use guide fluid to leave this at least one discontinuities (wheel cabin) at this at least one discontinuities place.
A kind of amph (CN102941785A), belongs to a kind of vehicle, the problem mainly solve conventional truck function singleness, cannot saving oneself when unexpected experience heavy rain or mountain torrents.Its structure comprises device, cabin and float and forms, and is provided with the concordant cabin in bottom indent, edge at the rear seat portion of device, cabin left and right sides and be equipped with the float of foldable telescopic below, cabin surrounding is surrounded after all opening by float.Structure of the present invention is simple, use safety, convenience, is particularly useful for often occurring that the area of heavy rain and mountain torrents and aquaculture family use.
Compare by analysis, the mentality of designing of existing amph mainly installs screw propeller class thrust structure or wheeled mode of pushing as the propelling unit providing water medium power at car rear portion, when the following shortcoming of these design ubiquities:
(1) Design of Mechanical Structure is complicated, easily be out of order, need to improve original automobile dynamic system, increase drive mechanism, install steering structure additional, independently control mechanism must be installed additional simultaneously, waste time and energy, for by more difficult for wheel mechanical structure driven realization, and when travelling, easily cause Universal drive in wheel overheated, cause danger.
(2) easily damage, screw propeller is easily collided constantly at running car, navigates by water and is also easily subject to scratching of river bed, cause screw propeller to damage in river.
Shoal water zone push power conversion problem, shoal water zone, field due to river bed in confused situation, may produce the destruction of blade or cause stranded problem.
(4) cost is high, and the design recondition expense of a set of thruster under water, at least in tens thousand of units left and right, is difficult to obtain actual applying.
(5) extra propelling screws can produce extra resistance in automobile land locomotion process, increases oil consumption.
In sum, all there is complex structure, easily damage in existing propelling unit, operation easier is large, high in cost of production problem substantially, is difficult to promote the use of.So far, high-grade cross country car and army car do not possess amphibious function substantially yet, but in the way of the running car of reality, often need through river and shoal etc., especially run into inclement weather and also have city ponding problem, this all can occur vehicle to intercept on road, and the local ponding problem that especially Infrastructure is not too perfect particularly highlights, therefore, be badly in need of at present exploitation a kind of can apply can realize automobile amph propelling unit.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, there is provided a kind of amphibious device of vector water spraying propelling and method of work thereof, it is simple and reasonable, with low cost, increasing hardly under the basic cost prerequisite of automobile, realize the amphibious function of automobile.
The present invention solves its technical matters and takes following technical scheme to realize:
The amphibious device of a kind of vector water spraying propelling, it is characterized in that: vector hydraulic efficiency jet propulsion system is installed, vector hydraulic efficiency jet propulsion system specifically comprises the spoke of propeller type, flow direction-changing device and wheel carrier, drive wheel in the water (flow) direction being promoted to produce by propeller type spoke is provided with successively the spoke of propeller type, flow direction-changing device and wheel carrier, wheel carrier is connected with flow direction-changing device; The spoke of propeller type rotates to be forced to push by the axial direction of a large amount of water to wheel to the impetus of water body, current make water (flow) direction change to ejection angled with axial direction through steering hardware, flow direction-changing device produces reaction force acts on wheel carrier, and then makes amphibious device produce propelling thrust.
And, described angle 0 ° of < a < 180 °.
And vector hydraulic efficiency jet propulsion system is arranged in four of 4-wheel driven car wheels, or is arranged on two and drives in monosymmetric drive wheel.
And described amphibious device is car, ship or other amphibious devices.
And flow direction-changing device adopts swash plate louvered guides, injection orifice shape guides or the combination of the two.
And described swash plate blinds current deflecting device comprises outer shroud, inner ring and is fixed on the inclined tab blinds between outer shroud and inner ring, and the long limit of inclined tab blinds is parallel with the side plane of wheel hub, wheel working direction is 5 degree to 175 degree to the angle of the plane of inclined tab blinds.
And, described injection orifice shape guides comprises cavity, described cavity is provided with water inlet and water outlet, described water inlet plane is 5 degree to 175 degree to the angle of water outlet plane, the opening of described water outlet is towards the contrary direction of car body travel direction, and described cavity is by the connection cavity of water inlet to water outlet.
And, the combination of described swash plate louvered guides, both injection orifice shape guidess, comprise guiding shutter board and the injection orifice shape guides being arranged on guiding shutter board side, described shutter board comprises outer shroud, inner ring and is fixed on the inclined tab blinds between outer shroud and inner ring, the long limit of inclined tab blinds is parallel with the side plane of wheel hub, described injection orifice shape guides comprises cavity, and described cavity is provided with water inlet and water outlet, and described water inlet plane is 5 degree to 175 degree to the angle of water outlet plane; The opening of described water outlet is towards the contrary direction of car body travel direction; Described cavity is by the connection cavity of water inlet to water outlet.
And, the method for work that flow direction-changing device adopts both swash plate louvered guides and injection orifice shape guides to combine, concrete steps are:
(1) take turns when rotating in water, utilize the spoke of propeller type to be forced to push by the axial direction of a large amount of water to wheel to the impetus of water body;
(2) after the water along wheel hub axial motion runs into swash plate louvered guides, current generation turns to, antagonistic force is produced to each blade of swash plate louvered guides simultaneously, antagonistic force is collected by swash plate louver vane on the wheel carrier that conducts to and be connected with blinds inner ring, makes device produce propelling thrust forward;
(3) after swash plate louvered guides, current again turn to through injection orifice shape guides and spray to the direction contrary with travel direction, produce antagonistic force, this antagonistic force conducts on the wheel carrier that is connected with injection orifice shape guides equally, the antagonistic force combined action produced with louvered current deflecting device, in wheel carrier, makes amphibious device produce propelling thrust.
Advantage of the present invention and good effect are:
1, the employing vector hydraulic efficiency jet propulsion system of this device can be arranged on four of 4-wheel driven car wheels or two two drive wheels of driving, and for 4-wheel driven car, vehicle realizes turning to and the dual-use function that advances in vehicle water can obtain power in water after; Drive for two, can be arranged in two front power wheels, front axle initiatively wheelset guiding spout carries out that adjustment realizes turning in water, advance dual-use function.
2, the structure of this device is simple, easy maintenance, it is convenient to realize, can realize paddling, crossing water function, and go for the more shallow place use of water body, the vehicle of this propelling unit is installed, because the screw propeller rotated is inner at wheel, automatically the pattern using wheel rolling to advance in more shallow river bed is advanced, and can not have an impact to spiral paddle wheel.
3, this device is equipped with propelling unit on four wheels of 4-wheel driven car, and individually provide power, it is inner that device embeds wheel, reduces the risk of the shutdown caused after propeller arrangement of the prior art may be wound around by foreign matter.
4, use the present invention without the need to adjusting the drive mechanism of device, cost is lower, is convenient to promote, and installs the appearance looks elegant that propelling unit of the present invention does not affect device, do not strengthen the outer appearance part of air resistance coefficient, do not affect the further design to car load outward appearance.
Accompanying drawing explanation
Fig. 1 is vector hydraulic efficiency jet propulsion system section-drawing (to wheel inner side spray mode);
Fig. 2 is swash plate louvered guides schematic diagram (to wheel inner side spray mode);
Fig. 2 a is swash plate louvered guides front elevation;
Fig. 2 b cuts open schematic diagram in swash plate louvered guides;
Fig. 3 is injection orifice shape guides schematic diagram (to wheel inner side spray mode);
Fig. 3 a is facade on injection orifice shape guides (to wheel inner side spray mode);
Fig. 3 b is facade under injection orifice shape guides (to wheel inner side spray mode);
Fig. 3 c is injection orifice shape guides side elevation (to wheel inner side spray mode);
Fig. 4 is vector hydraulic efficiency jet propulsion system section-drawing (to wheel outside spray mode);
Fig. 5 is swash plate louvered guides schematic diagram (to wheel outside spray mode);
Fig. 5 a is swash plate louvered guides front elevation;
Fig. 5 b cuts open schematic diagram in swash plate louvered guides;
Fig. 6 is injection orifice shape guides schematic diagram (to wheel outside spray mode);
Fig. 6 a is facade on injection orifice shape guides (to wheel outside spray mode);
Fig. 6 b is facade under injection orifice shape guides (to wheel outside spray mode);
Fig. 6 c is injection orifice shape guides side elevation (to wheel outside spray mode);
Fig. 7 is vector hydraulic efficiency jet propulsion system assembling schematic diagram;
Fig. 8 is that Mechanics Vector decomposes direction schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
The amphibious device of a kind of vector water spraying propelling, described amphibious device is car, ship or other amph carrier arrangement of drive wheel is installed, in wheel, vector hydraulic efficiency jet propulsion system is installed, vector hydraulic efficiency jet propulsion system comprises the spoke of propeller type, flow direction-changing device and wheel carrier, the spoke of propeller type, flow direction-changing device and wheel carrier are installed in the drive wheel in water (flow) direction successively, wheel carrier are provided with flow direction-changing device; The spoke of propeller type rotates to be forced to push by the axial direction of a large amount of water to wheel to the impetus of water body, current make water (flow) direction change to ejection angled with axial direction through steering hardware, this angle is greater than 0 ° and is less than 180 ° and can produce vectored thrust, and flow direction-changing device produces reaction force acts on wheel carrier.
Steering hardware adopts swash plate louvered guides, injection orifice shape guides or adopts swash plate louvered guides and the combination both injection orifice shape guides.
Vector hydraulic efficiency jet propulsion system is arranged in four wheels of 4-wheel driven car, or drives to install in monosymmetric drive wheel two.
Embodiment 1
See structure shown in accompanying drawing 1 to accompanying drawing 3, to wheel inner side spray mode, the concrete structure of vector hydraulic efficiency jet propulsion system is:
Vector hydraulic efficiency jet propulsion system comprise tire (1), wheel hub (2), airfoil shape spoke (3), can rotate and transmit the wheel shaft (4) of power, the bolt (5) connecting wheel shaft reaction plate, swash plate louvered guides (7), injection orifice shape guides (8), fixing wheel carrier (9)
The support spoke of wheel hub of the present invention (2) is designed to the spoke (3) of airfoil shape, can to rotate and the wheel shaft (4) transmitting power is connected with wheel hub (2) by connecting wheel shaft reaction plate bolt (5), fixing wheel carrier (9) is connected with swash plate louvered guides (7), and fixing wheel carrier (9) and injection orifice shape guides (8) link together.Louvered current deflecting device (7) and injection orifice shape guides (8) and wheel hub edge (6) close contact, do not connect.
Please also refer to Fig. 2, swash plate louvered guides is made up of (7) guides outer shroud (701), blinds guide piece (702), guides inner ring (703), guides inner ring (701) is connected by blinds guide piece (702) with guides outer shroud (703), the blinds guide piece of swash plate louvered guides can be one or more pieces, blinds guide piece is that the schistose texture angled with the axis of dynamical axis is formed, and the long limit of inclined tab blinds is parallel with the side plane of wheel hub.
Please also refer to Fig. 3, injection orifice shape guides cavity (8) is made up of spout inner ring (801), upper facade (803), side elevation (804), lower facade (805), water inlet (802) and water outlet (806), and described water inlet plane is 5 degree to 175 degree to the angle of water outlet plane.The opening of described water outlet is towards car body rear.Described cavity by water inlet (802) to water outlet (806) for be communicated with cavity.Current are flowed in eductor by water inlet (802), are sprayed after turning to by water outlet (806) again.
Louvered current deflecting device is connected with injection orifice shape guides outer shroud (807) by guides outer shroud (701).
The spoke design of the wheel hub of this device becomes propeller arrangement, when wheel rotates, what utilize screw propeller forces propelling movement by a large amount of water to the axial direction (diagram water (flow) direction) of wheel to the impetus of water body, produce after the water along wheel hub axial motion runs into the guides (7) of louvered and turn to, antagonistic force is produced to each blinds guide piece of swash plate louvered guides simultaneously, antagonistic force passes on the wheel carrier (9) that is connected with guides inner ring (703) further after being pooled to guides inner ring (703) by blinds guide piece, equally, sprayed after injection orifice shape guides (8) by the water after swash plate louvered guides (7), again produce antagonistic force, antagonistic force is transmitted on the wheel carrier (9) that is connected with injection orifice shape guides equally, the antagonistic force combined action produced with swash plate louvered guides (7) is in wheel carrier (9), make device generation propelling thrust forward.
Embodiment 2
See structure shown in accompanying drawing 4 to accompanying drawing 6, to wheel outside spray mode, the concrete structure of vector hydraulic efficiency jet propulsion system is:
Vector hydraulic efficiency jet propulsion system comprise tire (21), wheel hub (22), airfoil shape spoke (23), can rotate and transmit the hollow axle (24) of power, the bolt (25) connecting wheel shaft reaction plate, swash plate louvered guides (27), injection orifice shape guides (28), fixing wheel carrier (29)
The support spoke of wheel hub of the present invention (22) is designed to the spoke (23) of airfoil shape, can to rotate and the hollow axle (24) transmitting power is connected with wheel hub (22) by connecting wheel shaft reaction plate bolt (25), fixing wheel carrier front end (29) is through can to rotate and the hollow axle (25) transmitting power is connected with swash plate louvered guides (27), and the wheel carrier front end (29) fixed links together with injection orifice shape guides (28) afterwards through swash plate louvered guides (27).Louvered current deflecting device (27) and injection orifice shape guides (28) and wheel hub edge (26) close contact, do not connect.
Please refer to Fig. 5, swash plate louvered guides is made up of guides outer shroud (2701), blinds guide piece (2702), guides inner ring (2703).Guides inner ring (2701) is connected by blinds guide piece (2702) with guides outer shroud (2703), the blinds guide piece of swash plate louvered guides can be one or more pieces, blinds guide piece is that the schistose texture angled with the axis of dynamical axis is formed, and the long limit of inclined tab blinds is parallel with the side plane of wheel hub.
Please refer to Fig. 6, injection orifice shape guides is made up of upper facade (2802), lower facade (2803), side elevation (2804), water inlet (2801) and water outlet (2805) injection orifice shape guides cavity.Described cavity is provided with water inlet (2801) and water outlet (2805), and described water inlet plane is 5 degree to 175 degree to the angle of water outlet plane.The opening of described water outlet is towards the rear of amphibious device.Described cavity by water inlet (2801) to water outlet (2805) for being communicated with cavity, current are flowed in eductor by water inlet (2801), are sprayed after turning to by water outlet (2805) again.
Louvered current deflecting device is connected with injection orifice shape guides inner ring (2806) by guides outer shroud (2701).
The spoke (23) of wheel hub of the present invention is designed to propeller arrangement, what utilize screw propeller forces propelling movement by a large amount of water to the axial lateral direction of wheel to the impetus of water body, produce after the water along wheel hub axial motion runs into the guides (27) of louvered and turn to, antagonistic force is produced to each blade of blinds simultaneously, antagonistic force passes on the fixing wheel carrier (29) that is connected with blinds inner ring further after being pooled to blinds guides inner ring (2703) by louver vane, equally, sprayed after injection orifice shape guides (28) by the water after louvered deflector (27), again produce antagonistic force, antagonistic force is transmitted on fixing wheel carrier (29) equally, the antagonistic force combined action produced with louvered current deflecting device (27) is in wheel carrier (29), make device generation propelling thrust forward.
See Fig. 7 be vector hydraulic efficiency jet propulsion system assembling schematic diagram:
Equipment to the generation thrust of the increase of wheel under the spray mode of wheel inner side in figure, primarily of wheel hub, swash plate louvered current deflecting device, injection orifice shape guides and wheel carrier composition,
Current first produce large stroke current by the propeller type spoke of wheel hub by rotating, current are first by after swash plate louvered current deflecting device, current tentatively turn to, current after turning to flow into injection orifice shape guides, by injection orifice shape guides, wheel shaft is converted into completely the jet water course of facing tailstock to current, by parts wheel hub, louvered current deflecting device, the current that injection orifice shape guides and wheel carrier coordinate the parts of composition just wheel can be rotated generation redirect backward rear ejection, thus obtain automobile power forward, propelling vehicle moves forward in water, 2#, 4#, 5# is the directions of current by different assembly rear steerings respectively.
Shown in accompanying drawing 8, mechanics principle analysis:
According to principle of conservation of momentum, M is the Water quality unit time flowing through device wheel hub, and V is Y-direction water velocity
F×t＝M×Vy
2-M×Vy
1
Because the current flowing through device wheel hub are zero at Y-axis initial velocity, after the ejection of guiding spout, speed is V, and institute is with the formula through being derived as
F×t＝M×Vy
2
Learn according to this formula, this kind of power obtain manner efficiency is higher, does not substantially have the loss of transmission aspect.The sizes values of power is decided by engine power, and the larger waterjet propulsion effect of power is better.
Simultaneously, this kind of design ap-plication is when power steering is taken turns, to under the spray mode of wheel inner side, take turns when the oblique rear water spray of wheel word, steering torque is produced to amphibious device, can play the effect controlling amphibious device and turn to equally, wheel steering direction is identical with the direction that amphibious device produces moment of torsion; To wheel outside spray mode, wheel steering direction is contrary with the direction that device produces moment of torsion.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (9)
1. the amphibious device of vector water spraying propelling, it is characterized in that: on wheel, vector hydraulic efficiency jet propulsion system is installed, vector hydraulic efficiency jet propulsion system specifically comprises the spoke of propeller type, flow direction-changing device and wheel carrier, wheel in the water (flow) direction being promoted to produce by propeller type spoke is provided with successively the spoke of propeller type, flow direction-changing device and wheel carrier, wheel carrier is connected with flow direction-changing device; The spoke of propeller type rotates to be forced to push by the axial direction of a large amount of water to wheel to the impetus of water body, current make water (flow) direction change to ejection angled with axial direction through steering hardware, flow direction-changing device produces reaction force acts on wheel carrier, and then makes amphibious device produce propelling thrust.
2. the amphibious device of vector water spraying propelling according to claim 1, is characterized in that: described angle 0 ° of < a < 180 °.
3. the amphibious device of vector water spraying propelling according to claim 1, is characterized in that: vector hydraulic efficiency jet propulsion system is arranged in four of 4-wheel driven car wheels, or is arranged on two and drives in monosymmetric drive wheel.
4. the amphibious device of vector water spraying propelling according to claim 1, is characterized in that: described amphibious device is car, ship or other amphibious devices.
5. the amphibious device of vector water spraying propelling according to claim 1, is characterized in that: flow direction-changing device adopts swash plate louvered guides, injection orifice shape guides or the combination of the two.
6. the amphibious device of vector water spraying propelling according to claim 5, it is characterized in that: described swash plate blinds current deflecting device comprises outer shroud, inner ring and is fixed on the inclined tab blinds between outer shroud and inner ring, the long limit of inclined tab blinds is parallel with the side plane of wheel hub, and wheel working direction is 5 degree to 175 degree to the angle of the plane of inclined tab blinds.
7. the amphibious device of vector water spraying propelling according to claim 5, it is characterized in that: described injection orifice shape guides comprises cavity, described cavity is provided with water inlet and water outlet, described water inlet plane is 5 degree to 175 degree to the angle of water outlet plane, the opening of described water outlet is towards the contrary direction of car body travel direction, and described cavity is by the connection cavity of water inlet to water outlet.
8. the amphibious device of vector water spraying propelling according to claim 5, it is characterized in that: described swash plate louvered guides, the combination of both injection orifice shape guidess, comprise guiding shutter board and the injection orifice shape guides being arranged on guiding shutter board side, described shutter board comprises outer shroud, inner ring and the inclined tab blinds be fixed between outer shroud and inner ring, the long limit of inclined tab blinds is parallel with the side plane of wheel hub, described injection orifice shape guides comprises cavity, described cavity is provided with water inlet and water outlet, described water inlet plane is 5 degree to 175 degree to the angle of water outlet plane, the opening of described water outlet is towards the contrary direction of car body travel direction, described cavity is by the connection cavity of water inlet to water outlet.
9. the method for work of the amphibious device of vector water spraying propelling according to claim 8, is characterized in that: the method for work that flow direction-changing device adopts both swash plate louvered guides and injection orifice shape guides to combine, and concrete steps are:
(1) take turns when rotating in water, utilize the spoke of propeller type to be forced to push by the axial direction of a large amount of water to wheel to the impetus of water body;
(2) after the water along wheel hub axial motion runs into swash plate louvered guides, current generation turns to, antagonistic force is produced to each blade of swash plate louvered guides simultaneously, antagonistic force is collected by swash plate louver vane on the wheel carrier that conducts to and be connected with blinds inner ring, makes device produce propelling thrust forward;
(3) after swash plate louvered guides, current again turn to through injection orifice shape guides and spray to the direction contrary with travel direction, produce antagonistic force, this antagonistic force conducts on the wheel carrier that is connected with injection orifice shape guides equally, the antagonistic force combined action produced with louvered current deflecting device, in wheel carrier, makes amphibious device produce propelling thrust.
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| CN201510203060.8A CN104773043A (en) | 2015-04-27 | 2015-04-27 | Vector water jet propulsion type amphibious device and working method thereof |
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| CN201510203060.8A CN104773043A (en) | 2015-04-27 | 2015-04-27 | Vector water jet propulsion type amphibious device and working method thereof |
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| US9789902B1 (en) | 2017-04-05 | 2017-10-17 | Kan Cui | Simultaneous manuvering system for vehicles |
| CN109649079A (en) * | 2019-01-23 | 2019-04-19 | 南昌航空大学 | A kind of combined multipurpose blade wheel |
| CN111452576A (en) * | 2020-03-19 | 2020-07-28 | 武汉理工大学 | Driving force coordination method and device for amphibious vehicle and storage medium |
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| CN103192660A (en) * | 2013-04-07 | 2013-07-10 | 杨重明 | Openable car wheel and amphibious car provided with same |
| CN103708001A (en) * | 2013-12-19 | 2014-04-09 | 广州中船黄埔造船有限公司 | Grid |
| RU2536012C1 (en) * | 2014-03-25 | 2014-12-20 | Рудольф Львович Гроховский | Arrangement of wheeled propulsor for amphibia |
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Application publication date: 20150715 |