CN102941783B - Wave adsorption and resistance reduction device for amphibious vehicle - Google Patents
Wave adsorption and resistance reduction device for amphibious vehicle Download PDFInfo
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- CN102941783B CN102941783B CN201210384595.6A CN201210384595A CN102941783B CN 102941783 B CN102941783 B CN 102941783B CN 201210384595 A CN201210384595 A CN 201210384595A CN 102941783 B CN102941783 B CN 102941783B
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Abstract
The invention relates to a wave adsorption and resistance reduction device for an amphibious vehicle. The wave adsorption and resistance reduction device comprises two water inlet fairwaters, two plunger-type pumps, two water outlet pipes, two pump gears, two intermediate gears and two driving wheel shaft gears. The water inlet fairwaters are connected with water inlets of the plunger-type pumps; the water outlet pipes are connected with water outlets of the plunger-type pumps; a spindle of each plunger-type pump is connected with one pump gear; each pump gear is connected with one driving wheel shaft gear by one intermediate gear; and two water adsorption devices consisting of the water inlet fairwaters, the plunger-type pumps and the water outlet pipes are respectively arranged on both sides of the head part of the amphibious vehicle to adsorb water flow at the head part of the amphibious vehicle and spray the water flow backwards so as to reduce the resistance in the running process of the vehicle and increase the propulsive force. The plunger-type pumps of the wave adsorption and resistance reduction device sprays out the water flow backwards from the water outlets after injecting energy into the water flow so as to fulfill the aims of reducing the traveling resistance of the amphibious vehicle and improving the speed.
Description
Technical field
The present invention relates to a kind of fairing of land and water vehicle.
Background technology
Land and water vehicle can be competent at land and advance, can navigate by water in water again, is applicable to the features such as various working and obtains extensive investigation and application.The rapidity of vehicle is one of important performance of vehicle, in the Design and manufacture of vehicle, reaches rapidity index and not only can meet the speed of a ship or plane requirement that design assignment proposes, and can ensure commercial efficiency and the social efficiency of vehicle.The propelling unit of amphibious vehicle is at the afterbody of car body, and when advancing in water, vehicle stem pushes away water, and the hydraulic pressure of vehicle stem increases and produces wave making resistance, reduces the fltting speed of car body.
Summary of the invention
The improving eyesight of this is the defect existed for prior art to provide a kind of suction ripple fairing of amphibious vehicle, by reducing the wave making resistance of amphibious vehicle, to reduce the running resistance of amphibious vehicle in water, improves gait of march in water.
For achieving the above object, design of the present invention is: install ram type pump in the amphibious hull nose left and right sides, utilizes transmission device to drive ram type pump to rotate, is sucked by the water of hull nose, spray backward after acceleration from water outlet by water sucking mouth.The hydraulic pressure reducing hull stem on the one hand and the additional friction force caused thus, reduce wave making resistance, and the current of ejection on the other hand also can provide part propulsive force, and are used to the rotation of amphibious vehicle driving wheel, reduce the waste of the energy.
According to the design of foregoing invention, the present invention adopts following technical proposals:
A kind of amphibious vehicle inhales ripple fairing, comprises two water inlet streamlined reefer housings, two plunger type water pumps, two coolant outlet pipe, two pump gears, two intermediate gears and two drive sprocket axle gears.Described water inlet streamlined reefer housing connects the water inlet of plunger type water pump, and coolant outlet pipe connects the water outlet of plunger type water pump; Plunger type water pump main shaft connects a pump gear, and this pump gear is connected with a sprocket gear by an intermediate gear; The water absorber be made up of described water inlet streamlined reefer housing, plunger type water pump and a coolant outlet pipe is respectively installed in amphibious vehicle stem both sides, absorbs the current of amphibious vehicle stem, spray backward, to reduce the resistance of vehicle traveling and to increase propulsive force; The power of described each plunger type water pump derive from respectively one with the rotation of the coaxial mounted driving wheel of driving wheel, these two driving wheels are driven through a main reduction gear, a power-transfer clutch and a gearbox transmission two wheel reduction gears by a driving engine of amphibious vehicle; Described two intermediate gears can sway, and when vehicle travels in water, intermediate gear engages with pump gear and drive sprocket axle gear simultaneously, drives plunger type water pump to rotate and carries out water suction draining; When travelling on land, intermediate gear separates with two gears, and plunger type water pump does not rotate.
The present invention compared with prior art, there is following apparent outstanding substantive distinguishing features and remarkable technological advance: the present invention each side installs a water absorber in amphibious vehicle stem, when vehicle travels in water, suck the backward rear ejection of water, reduce resistance and increase thrust, realize inhaling ripple drag reduction, improve the speed of a motor vehicle.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of the amphibious car body that fairing is housed.
Fig. 2 is the amphibious car body partial side view that fairing is housed.
Fig. 3 is the cutaway view of plunger type water pump.
Fig. 4 is the A-A cutaway view in Fig. 3.
Fig. 5 is flow guiding disc in Fig. 3.
Fig. 6 is the water inlet streamlined reefer housing that water inlet connects.
Fig. 7 is the coolant outlet pipe that water outlet connects.
Detailed description of the invention
Details are as follows by reference to the accompanying drawings for the preferred embodiments of the present invention:
Embodiment one:
See Fig. 1 and Fig. 2, this amphibious vehicle is inhaled ripple fairing and is comprised two water inlets streamlined reefer housing (4), two plunger type water pumps (5), two coolant outlet pipe (6), two pump gears (2), two intermediate gears (1) and two drive sprocket axle gears (8).Described water inlet streamlined reefer housing (4) connects the water inlet (30) of plunger type water pump (5), and coolant outlet pipe (6) connects the water outlet of plunger type water pump (5); Plunger type water pump main shaft (3) connects a pump gear (2), and this pump gear (2) is connected with a sprocket gear (8) by an intermediate gear (1); The water absorber be made up of described water inlet streamlined reefer housing (4), plunger type water pump (5) and a coolant outlet pipe (6) is respectively installed in amphibious vehicle stem both sides, absorb the current of amphibious vehicle stem, spray backward, to reduce the resistance of vehicle traveling and to increase propulsive force; The power of described each plunger type water pump (5) derive from respectively one with the rotation of the coaxial mounted driving wheel of driving wheel (7), these two driving wheels (7) are driven through a main reduction gear (12), a power-transfer clutch (13) and a change speed gear box (10) transmission two wheel reduction gears (9) by a driving engine (11) of amphibious vehicle; Described two intermediate gears (2) can sway, when vehicle travels in water, intermediate gear (1) engages with pump gear (3) and drive sprocket axle gear (8) simultaneously, drives plunger type water pump (5) to rotate and carries out water suction draining; When travelling on land, intermediate gear (1) separates with two gears, and plunger type water pump (5) does not rotate.
Embodiment two:
See Fig. 1-Fig. 7, the present embodiment is substantially identical with embodiment one, and its special feature is being: described water inlet (30) is just to the working direction of amphibious vehicle, and water outlet (31) is back to the working direction of amphibious vehicle; The structure of described plunger type water pump (5): the main shaft (3) of plunger type water pump (5) connects return plate (24), return plate (24) connects plunger (18), and plunger (18) is in cylinder body (20); Cylinder body (20) is connected with flow guiding disc (21); Flow guiding disc (21) is two half moon structures, and one is connected with water inlet (30), and one is connected with water outlet (31); When the main shaft (3) of plunger type water pump (5) rotates, plunger (18) is driven to move back and forth in cylinder body (20) through return plate (24), cause cylinder body (20) internal pressure to change, complete discharging water.Described water inlet (30) connects water inlet streamlined reefer housing (4), collect current and enter plunger type water pump (5) water inlet (30), water inlet streamlined reefer housing (4) side is fixed in body wall, and one end is fixed on the bonnet of drag reduction pump (5); Plunger type water pump (5) water outlet (31) connects the coolant outlet pipe (6) being bent downwardly 20 °, is discharged downwards backward by water.
Embodiment three:
As shown in figures 1 to 6, this amphibious suction ripple fairing is primarily of water inlet streamlined reefer housing (4), plunger type water pump (5), coolant outlet pipe (6) and pump gear (2), intermediate gear (1), drive sprocket axle gear (8) composition.The main shaft (3) of plunger type water pump (5) connects pump gear (2), is connected with drive sprocket axle gear (8) by intermediate gear (1).Wherein, intermediate gear (1) can sway, when travelling in water, intermediate gear (1) is moved to engage position, the rotation of driving wheel (7) is delivered to pump gear (2), drives pump main shaft (3) to rotate simultaneously; When land locomotion, intermediate gear (2) is moved to disengaged orientation, drive sprocket axle gear (8) dallies, and pump gear (2) does not rotate, and pump main shaft (3) does not rotate.Driving wheel (7) is driven by the driving engine (11) of amphibious vehicle.Driving engine (11) through main reduction gear (12), power-transfer clutch (13), change speed gear box (10), wheel reduction gear (9) by transmission of power to driving wheel (7).
Water inlet streamlined reefer housing (4) side is fixed in body wall, and side is connected with the water inlet (30) of plunger type water pump (5).Advancing resistance current collect in the water inlet (30) of plunger type water pump (5) by water inlet streamlined reefer housing (4).Plunger type water pump (5) is by main shaft (3), front end cover (14), tapered roller bearing (15, 16), connecting rod (17), plunger (18), housing (19), cylinder body (20), flow guiding disc (21), bonnet (22), pin (23), return plate (24), bearing supporting sleeve (25), hole snap ring (26) forms, main shaft (3) stretches out one end and connects pump gear (2), in pump, axle head connects return plate (24), return plate (24) connects plunger (18) by connecting rod (17), plunger (18) moves in cylinder body (19), the opening of cylinder body (19) end communicates with flow guiding disc (21), flow guiding disc (31) has two semi-moon shaped flame diversion troughs (27, 28), be connected with water outlet (31) with water inlet (30) respectively.Water inlet (30) and water outlet (31) are in pump cover (22), and pump cover water inlet (30) connects streamlined reefer housing (4), and water outlet (31) is by coolant outlet pipe (6) outwards draining.Coolant outlet pipe (6) has the knuckle of 20 °, and caliber is less, and the flow energy of discharging like this is more concentrated, and the thrust provided is just larger.When axle (3) rotates, return plate (24) rotates, and because the pump housing has the pivot angle of 25 °, plunger (17) is while being rotated, also move reciprocatingly in cylinder body (19), cause the change of cylinder body (19) internal pressure.When cylinder body (19) inner volume becomes large, pressure diminishes, and current are entered by flame diversion trough entrance (27), complete water suction; When cylinder body (19) internal volume diminishes, pressure diminishes, and current are discharged by flame diversion trough outlet (28), complete draining.
Claims (3)
1. an amphibious vehicle inhales ripple fairing, comprise two water inlets streamlined reefer housing (4), two plunger type water pumps (5), two coolant outlet pipe (6), two pump gears (2), two intermediate gears (1) and two drive sprocket axle gears (8), it is characterized in that: described water inlet streamlined reefer housing (4) connects the water inlet (30) of plunger type water pump (5), coolant outlet pipe (6) connects the water outlet of plunger type water pump (5); The main shaft (3) of plunger type water pump (5) connects a pump gear (2), and this pump gear (2) is connected with a sprocket gear (8) by an intermediate gear (1); The water absorber be made up of described water inlet streamlined reefer housing (4), plunger type water pump (5) and a coolant outlet pipe (6) is respectively installed in amphibious vehicle stem both sides, absorb the current of amphibious vehicle stem, spray backward, to reduce the resistance of vehicle traveling and to increase propulsive force; The power of described each plunger type water pump (5) derive from respectively one with the rotation of the coaxial mounted driving wheel of driving wheel (7), these two driving wheels (7) are driven through a main reduction gear (12), a power-transfer clutch (13) and a change speed gear box (10) transmission two wheel reduction gears (9) by a driving engine (11) of amphibious vehicle; Described two intermediate gears (1) can sway, when vehicle travels in water, intermediate gear (1) engages with pump gear (2) and drive sprocket axle gear (8) simultaneously, drives plunger type water pump (5) to rotate and carries out water suction draining; When travelling on land, intermediate gear (1) separates with two gears, and plunger type water pump (5) does not rotate.
2. amphibious vehicle according to claim 1 inhales ripple fairing, it is characterized in that: described water inlet (30) is just to the working direction of amphibious vehicle, and water outlet (31) is back to the working direction of amphibious vehicle; The structure of described plunger type water pump (5): the main shaft (3) of plunger type water pump (5) connects return plate (24), return plate (24) connects plunger (18), and plunger (18) is in cylinder body (20); Cylinder body (20) is connected with flow guiding disc (21); Flow guiding disc (21) is two half moon structures, and one is connected with water inlet (30), and one is connected with water outlet (31); When the main shaft (3) of plunger type water pump (5) rotates, plunger (18) is driven to move back and forth in cylinder body (20) through return plate (24), cause cylinder body (20) internal pressure to change, complete discharging water.
3. a ripple fairing inhaled by amphibious vehicle according to claim 1, it is characterized in that: described water inlet (30) connects water inlet streamlined reefer housing (4), collect the water inlet (30) that current enter plunger type water pump (5), water inlet streamlined reefer housing (4) side is fixed in body wall, and one end is fixed on the bonnet of plunger type water pump (5); Plunger type water pump (5) water outlet (31) connects the coolant outlet pipe (6) being bent downwardly 20 °, is discharged downwards backward by water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210384595.6A CN102941783B (en) | 2012-10-12 | 2012-10-12 | Wave adsorption and resistance reduction device for amphibious vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210384595.6A CN102941783B (en) | 2012-10-12 | 2012-10-12 | Wave adsorption and resistance reduction device for amphibious vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102941783A CN102941783A (en) | 2013-02-27 |
| CN102941783B true CN102941783B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210384595.6A Expired - Fee Related CN102941783B (en) | 2012-10-12 | 2012-10-12 | Wave adsorption and resistance reduction device for amphibious vehicle |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859785B (en) * | 2015-05-05 | 2017-04-05 | 上海大学 | Amphibious vehicle Lift wheel damping device |
| WO2019148943A1 (en) | 2018-02-02 | 2019-08-08 | 上海交通大学 | Suspendable crawler-type underwater operations robot for extremely soft ground |
| CN108909860B (en) * | 2018-05-29 | 2023-08-22 | 上海交通大学 | Caterpillar track walking structure suitable for ground environment under extremely thin soft water and working method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3263643A (en) * | 1963-10-28 | 1966-08-02 | Hovercraft Dev Ltd | Vehicles operable over water |
| CN1250732A (en) * | 1998-10-09 | 2000-04-19 | 邓建军 | Water spray type propeller for ship |
| CN1695966A (en) * | 2005-06-20 | 2005-11-16 | 浙江大学 | Fairing of crawler type amphibious vehicle |
| CN101704329A (en) * | 2009-08-27 | 2010-05-12 | 张文辉 | Crawler-type marine land dual-propose high speed vessel |
| CN201872940U (en) * | 2010-07-25 | 2011-06-22 | 陈明刚 | Steamship capable of eliminating wave drag |
-
2012
- 2012-10-12 CN CN201210384595.6A patent/CN102941783B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3263643A (en) * | 1963-10-28 | 1966-08-02 | Hovercraft Dev Ltd | Vehicles operable over water |
| CN1250732A (en) * | 1998-10-09 | 2000-04-19 | 邓建军 | Water spray type propeller for ship |
| CN1695966A (en) * | 2005-06-20 | 2005-11-16 | 浙江大学 | Fairing of crawler type amphibious vehicle |
| CN101704329A (en) * | 2009-08-27 | 2010-05-12 | 张文辉 | Crawler-type marine land dual-propose high speed vessel |
| CN201872940U (en) * | 2010-07-25 | 2011-06-22 | 陈明刚 | Steamship capable of eliminating wave drag |
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| CN102941783A (en) | 2013-02-27 |
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Granted publication date: 20150107 Termination date: 20171012 |