CN111098648A - High-speed amphibious vehicle transmission system with double water-jet propellers - Google Patents
High-speed amphibious vehicle transmission system with double water-jet propellers Download PDFInfo
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- CN111098648A CN111098648A CN202010023622.1A CN202010023622A CN111098648A CN 111098648 A CN111098648 A CN 111098648A CN 202010023622 A CN202010023622 A CN 202010023622A CN 111098648 A CN111098648 A CN 111098648A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
- B60F3/0007—Arrangement of propulsion or steering means on amphibious vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
- B63H23/06—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H2011/004—Marine propulsion by water jets using the eductor or injector pump principle, e.g. jets with by-pass fluid paths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H2011/008—Arrangements of two or more jet units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
- B63H2023/0258—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing comprising gearings with variable gear ratio, other than reversing drives or trolling drives
- B63H2023/0266—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing comprising gearings with variable gear ratio, other than reversing drives or trolling drives comprising gearings with automatically variable gear ratio, other than continuously variable transmissions or trolling drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
- B63H23/06—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
- B63H2023/062—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit comprising means for simultaneously driving two or more main transmitting elements, e.g. drive shafts
Abstract
The application discloses a high-speed amphibious vehicle transmission system with double water-jet propellers, and relates to an amphibious vehicle. The transmission system is connected with the engine and comprises a clutch, a gearbox assembly, a vehicle transmission shaft assembly, a marine transmission shaft and a water jet propeller, wherein the vehicle transmission shaft assembly, the marine transmission shaft and the water jet propeller are symmetrically arranged on two sides of the gearbox assembly. The gearbox assembly includes: the device comprises a shell, a first shaft gear, a middle shaft gear, an input gear, a vehicle input/output gear shaft, a vehicle and ship synchronizer assembly, a transfer gear, a first gear tooth, a second-fifth gear input gear, a third-fourth gear synchronizer assembly, a first-fifth gear output gear, a second-third gear synchronizer assembly, a reverse gear output/input gear, a fifth gear reverse gear synchronizer assembly, a ship input gear, a ship middle gear and a ship output gear. The high-power engine is matched with the two low-power water-jet propeller structures, so that the output power is strong, and the occupied space is small; all transmission parts adopt integrated design, and compact structure, light in weight operate steadily.
Description
Technical Field
The application relates to an amphibious vehicle, in particular to a high-speed amphibious vehicle transmission system with double water-jet propellers.
Background
With the clear requirement of people on both land and water, the amphibious vehicle can be transported as required. The ship has the characteristics of both a vehicle and a ship, and can run on land through wheels or tracks, and water can slide through the wheels or tracks on water or be driven by a water propeller to run. The drive train is the core mechanism of an amphibious vehicle and is responsible for transmitting power from the power source to the actuators. The transmission system of the current amphibious vehicle comprises two systems on land and water. Power is provided by one or two engines. The engine power is respectively provided for a gearbox of the amphibious vehicle on land and a single propeller on water through a transfer case and a transmission shaft, so that land wheel driving and propeller driving on water are realized. The land driving and the water driving of the amphibious vehicle provided with the two engines are respectively powered by the respective engines. In order to realize high-speed performance, the amphibious vehicle is inevitably provided with a high-power engine and a water propeller.
For a small-tonnage high-speed amphibious vehicle, the large-power engine and the large-power water propeller necessarily occupy a lot of internal space due to the narrow installation space of the power cabin. In addition, the arrangement of mechanisms such as a transfer case, a transmission shaft and the like further causes the power cabin to be crowded and disordered, and brings difficulties to heat dissipation, maintenance and repair of the transmission mechanism. If the power compartment space is increased, it must be at the expense of reducing the size of the passenger compartment and the mission compartment. Resulting in reduced occupant or reduced occupant handling and comfort, or reduced mission loads. In addition, excessive drive train components can increase overall vehicle weight and also occupy more power bay space.
Disclosure of Invention
The present application aims to overcome the above problems or at least partially solve or mitigate the above problems and provide a high speed amphibious vehicle transmission system with dual water jets for small tonnage, which can have the advantages of powerful power, compact structure, small occupied space, light weight and low cost.
The application provides a high-speed amphibious vehicle transmission system with two water jet propellers, links to each other with amphibious vehicle's engine, includes: clutch, gearbox assembly to and the symmetry sets up in automobile-used propeller shaft subassembly, marine transmission shaft and the water jet propulsion ware of gearbox assembly both sides, the gearbox assembly includes:
the engine is sequentially connected with the clutch shell, the front gearbox shell, the middle gearbox shell and the rear gearbox shell into a whole through bolts;
the input gear is arranged on the input gear shaft for the vehicle, and the input gear shaft for the vehicle is provided with a gear tooth;
the transmission mechanism comprises a vehicle and ship synchronizer assembly, a transfer gear, a fourth-gear input gear, a third-fourth-gear synchronizer assembly, a third-gear input gear, a second-gear input gear and a fifth-gear input gear, wherein the vehicle and ship synchronizer assembly, the transfer gear, the fourth-gear input gear, the third-fourth-gear synchronizer assembly, the third-gear input gear and the second-gear input gear are sequentially arranged on a vehicle input gear shaft and are positioned in front of a first-gear tooth;
the output gear shaft for the vehicle is sequentially arranged on the output gear shaft for the vehicle and is provided with a fourth-gear output gear, a third-gear output gear, a second-gear synchronizer assembly, a first-gear output gear, a reverse gear output gear, a fifth-gear reverse synchronizer assembly and a fifth-gear output gear, wherein the shaft end of the output gear shaft for the vehicle is provided with a driving bevel gear;
the reverse gear input gear shaft is arranged on the rear shell of the gearbox and is meshed with a gear tooth and a reverse gear output gear on the vehicle input gear shaft;
the main speed reducer is provided with a driven bevel gear and is meshed with a driving bevel gear on an output gear shaft for the vehicle; and
the marine input gear, two marine intermediate gears meshed with the marine input gear on the same two sides and two marine output gears meshed with the two marine intermediate gears;
the manual gear shifting device is arranged on a middle shell of the gearbox and used for controlling a first-gear synchronizer assembly, a second-gear synchronizer assembly, a third-gear synchronizer assembly, a fourth-gear synchronizer assembly and a fifth-gear reverse synchronizer assembly;
the flywheel of the engine is connected with the clutch, the clutch is connected with a shaft, a shaft gear drives an input gear through a middle shaft gear to drive a vehicle input gear shaft to rotate, corresponding gears on the vehicle input gear shaft are meshed with corresponding gears on a vehicle output gear shaft, a driving bevel gear on the vehicle output gear shaft is meshed with a driven bevel gear of a main reducer, and the main reducer is connected with vehicle transmission shaft assemblies on two sides;
the transfer gear is meshed with the marine input gear, the marine input gear is meshed with the marine intermediate gears on two sides, the two marine intermediate gears are further meshed with the two marine output gears, and the marine output gears are sequentially connected with the marine transmission shaft and the water jet propeller.
Alternatively, the power output by the engine is transmitted to the shaft through a spline of the clutch, and then is transmitted to the vehicle input gear shaft through the shaft gear, the intermediate shaft gear and the input gear.
Optionally, the amphibious vehicle has a land driving condition, an in-water or out-water condition and a high speed driving condition on the water surface,
when the amphibious vehicle runs on land, the vehicle and ship synchronizer assemblies disconnect the power of the transfer gears under the control of the electric gear shifting device, the two water-jet propellers do not work, at the moment, the engine power is transmitted to the main speed reducer through the vehicle input gear shaft, the vehicle output gear shaft, the reverse gear input gear shaft, the corresponding vehicle gear synchronizer assemblies and the corresponding gear gears, and finally transmitted to the wheel mechanism through the vehicle transmission shaft assemblies on two sides, so that the land running of the amphibious vehicle is realized, wherein the position of the corresponding vehicle gear synchronizer assemblies is controlled by the manual gear shifting device when the amphibious vehicle runs on land.
Optionally, the amphibious vehicle has a land driving condition, an in-water or out-water condition and a high speed driving condition on the water surface,
when the amphibious vehicle is in a water inlet working condition or a water outlet working condition, the wheels and the water jet propellers are required to work simultaneously, the vehicle and ship synchronizer component is communicated with the transfer gear under the control of the electric gear shifting device, at the moment, the engine power is divided into two routes to be transmitted, one route is consistent with a land running working condition, the engine power is transmitted to the wheels through the vehicle output gear shaft, the corresponding gear, the main speed reducer and the vehicle transmission shaft component, the wheels rotate, and the other route power is transmitted to the two water jet propellers through the transfer gear, the ship input gear, the ship intermediate gear, the ship output gear and the ship transmission shaft, so that the water propulsion is realized.
Optionally, when the amphibious vehicle runs on the water surface at a high speed, the manual gear shifting device is pushed to a neutral position, the power of the engine is not output to the wheels, and is only output to the two water jet propellers, so that the amphibious vehicle runs on the water at a high speed.
According to the high-speed amphibious vehicle transmission system with the double water-jet propellers, one high-power engine is matched with two low-power water-jet propeller structures, the output power is strong, and the occupied space is small; all transmission parts adopt integrated design, and compact structure, light in weight operate steadily.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic isometric view of a high speed amphibious vehicle drive system with dual water jets according to an embodiment of the present application;
FIG. 2 is a schematic front cut-away view of the high-speed amphibious vehicle driveline shown in FIG. 1;
fig. 3 is a schematic cross-sectional view taken along a sectional line a-a in fig. 2.
The symbols in the drawings represent the following meanings: 1-an engine; 2-a clutch; 3-a gearbox assembly; 4-a vehicular driveshaft assembly; 5-marine transmission shaft; 6-water jet propeller; 7-a clutch housing; 8-an electric shifting device; 9-manual shifting device;
301-a gearbox front housing; 302-gearbox middle shell; 303-gearbox rear housing; 304-one axis; 305-a shaft gear; 306-countershaft gearing; 307-input gear; 308-input gear shaft for vehicle; 3081A gear tooth; 309-vehicle and vessel synchronizer assembly; 310-transfer gear; 311-fourth gear input gear; 312-third and fourth gear synchronizer assembly; 313-third gear input gear; 314-second gear input gear; 315-fifth gear input gear; 316-vehicle output gear shaft; 3161-drive bevel gear; 317-fourth gear output gear; 318-third gear output gear; 319-second gear output gear; 320-a second gear synchronizer assembly; 321-first gear output gear; 322-reverse output gear; 323-fifth gear reverse synchronizer assembly; 324-fifth gear output gear; 325-reverse gear input gear shaft; 326-main reducer; 327-passive bevel gear; 328-marine input gear; 329-marine intermediate gear; 330 marine output gear.
Detailed Description
The design principle and design idea of the application are as follows: in order to improve the water running speed, the amphibious vehicle needs to be provided with a high-power engine, and a plurality of transmission mechanisms matched with the engine and a high-power water propeller occupy a lot of power cabin space. In order to solve the problem, the design idea that a high-power engine is matched with two low-power water-jet propellers is adopted, and meanwhile, a clutch assembly, a vehicle and ship transfer mechanism, a vehicle speed change mechanism and a ship speed change mechanism are integrally designed. The design structure is compact, the occupied space is small, the power of the engine can still be output in high power, and the high-speed performance of the amphibious vehicle in water running is met.
Fig. 1 is a schematic isometric view of a high speed amphibious vehicle drive system with dual water jets according to an embodiment of the present application. Fig. 2 is a schematic front cross-sectional view of the high-speed amphibious vehicle driveline shown in fig. 1. Fig. 3 is a schematic cross-sectional view taken along a sectional line a-a in fig. 2.
As shown in fig. 1, the present embodiment provides a high-speed amphibious vehicle transmission system with dual water jet propellers, which is connected to an engine 1 of an amphibious vehicle, and comprises: the clutch 2, the gearbox assembly 3, and the vehicle transmission shaft component 4, the marine transmission shaft 5 and the water-jet propeller 6 which are symmetrically arranged on two sides of the gearbox assembly 3. The transmission assembly includes: the transmission comprises a shell, a first shaft gear 305, a counter shaft gear 306, an input gear 307 mesh, a vehicle input gear shaft 308, a vehicle and ship synchronizer assembly 309, a transfer gear 310, a fourth gear input gear 311, a third and fourth gear synchronizer assembly 312, a third gear input gear 313, a second gear input gear 314, a fifth gear input gear 315, a vehicle output gear shaft 316, a fourth gear output gear 317, a third gear output gear 318, a second gear output gear 319, a second gear synchronizer assembly 320, a first gear output gear 321, a reverse gear output gear 322, a fifth gear reverse synchronizer assembly 323, a fifth gear output gear 324, a reverse gear input gear shaft 325, a first gear tooth 3081, a driving bevel gear 3161, a main speed reducer 326, a driven bevel gear 327, a ship input gear 328, a ship intermediate gear 329, a ship output gear 330, an electric gear shifting device 8 and a manual gear shifting device 9.
The shell is provided with a front gearbox shell 301, a middle gearbox shell 302 and a rear gearbox shell 303, and the engine 1 is connected with the clutch shell 7, the front gearbox shell 301, the middle gearbox shell 302 and the rear gearbox shell 303 in sequence through bolts to form a whole.
A shaft 304 is connected to the clutch 2 and a shaft gear 305 via corresponding splines. A shaft gear 305 is meshed with a counter gear 306. The counter shaft gear 306 in turn meshes with the input gear 307. The input gear 307 is mounted on an input gear shaft 308 for a vehicle. The input gear shaft 308 for a vehicle has first gear teeth 3081 therein.
The vehicle and ship synchronizer assembly 309, the transfer gear 310, the fourth gear input gear 311, the third and fourth gear synchronizer assembly 312, the third gear input gear 313 and the second gear input gear 314 are sequentially arranged on the vehicle input gear shaft 308 and are positioned in front of the first gear teeth 3081. The fifth-gear input gear 315 is mounted on the vehicular input gear shaft 308 behind the first-gear teeth 3081.
The output gear shaft 316 for the vehicle is sequentially provided with a fourth gear output gear 317, a third gear output gear 318, a second gear output gear 319, a first gear synchronizer assembly 320, a first gear output gear 321, a reverse gear output gear 322, a fifth gear reverse synchronizer assembly 323 and a fifth gear output gear 324. Wherein, the shaft end of the output gear shaft 316 for the vehicle is provided with a drive bevel gear 3161.
The reverse input gear shaft 325 is mounted to the transmission rear housing 303 to intermesh with the first gear teeth 3081 on the vehicular input gear shaft 308 and the reverse output gear 322.
The final drive 326 has a driven bevel gear 327 that meshes with a drive bevel gear 3161 on the vehicle output gear shaft 316.
The input gear 328 and the intermediate gear 329 are engaged with each other on both sides of the input gear 328. The two marine output gears 330 are meshed with the two marine intermediate gears 329.
Wherein an electric gearshift 8 is mounted on the housing of the clutch 2 for controlling the vehicle and vessel synchronizer assembly 309. The transmission center housing 302 has mounted thereon a manual shifter 9 for controlling a first-gear synchronizer assembly 320, a third-gear synchronizer assembly 312, and a fifth-gear reverse synchronizer assembly 323.
The flywheel of the engine 1 is connected to the clutch 2. Clutch 2 is connected to a shaft 304. A shaft gear 305 drives an input gear 307 via a counter gear 306 to rotate a vehicular input gear shaft 308. Corresponding gears on the vehicle input gear shaft 308 are meshed with corresponding gears on the vehicle output gear shaft 306, and the drive bevel gear 3161 on the vehicle output gear shaft 316 is meshed with the driven bevel gear 327 of the final drive 326. The final drive 326 is connected to the vehicle propeller shaft assemblies 4 on both sides.
The transfer gear 310 is engaged with a marine input gear 328, the marine input gear 328 is engaged with marine intermediate gears 329 on both sides, and the two marine intermediate gears 329 are further engaged with two marine output gears 330. The marine output gear 330 is connected to the marine propeller shaft 5 and the water jet propeller 6 in turn.
According to the high-speed amphibious vehicle transmission system with the double water-jet propellers, one high-power engine is matched with two low-power water-jet propeller structures, the output power is strong, and the occupied space is small; all transmission parts adopt integrated design, and compact structure, light in weight operate steadily.
The amphibious vehicle has a land driving working condition, a water inlet working condition or a water outlet working condition and a high-speed driving working condition on the water surface. The working process is as follows:
the power output from the engine 1 is transmitted to a shaft 304 through splines of the clutch 2, and then transmitted to an input gear shaft 308 for a vehicle through a shaft gear 305, a counter gear 306, and an input gear 307.
When the amphibious vehicle runs on land, the vehicle and ship synchronizer assembly 309 disconnects the power of the transfer gear 310 under the control of the electric gear shifting device 8, and the two water jet propellers 6 do not work. At this time, the power of the engine 1 is transmitted to the final drive 326 through the input gear shaft 308 for the vehicle, the output gear shaft 316 for the vehicle, the reverse input gear shaft 325, the corresponding synchronizer assemblies for the vehicle (the first-second synchronizer assembly 320, the third-fourth synchronizer assembly 312, and the fifth-fourth synchronizer assembly 323), and the corresponding gear. And finally, the vehicle transmission shaft assemblies 4 on the two sides are transmitted to the wheel mechanism, so that land driving of the amphibious vehicle is realized. The manual shifting device 9 controls the positions of the corresponding vehicle-speed synchronizer assemblies (the first-gear synchronizer assembly 320, the third-fourth gear synchronizer assembly 312 and the fifth-gear reverse synchronizer assembly 323) during the land driving.
When the amphibious vehicle is in a water inlet working condition or a water outlet working condition, the wheels and the water jet propeller 6 are required to work simultaneously, the vehicle and ship synchronizer component 309 is connected with the transfer gear 310 under the control of the electric gear shifting device 8, and at the moment, the power of the engine 1 is divided into two paths for transmission. In a route consistent with a land-based driving condition, power is transmitted to the wheels through the vehicle output gear shaft 316, the corresponding gear, the main reducer 326 and the vehicle transmission shaft assembly 4, and the wheels rotate. The power of the other route is transmitted to the two water jet propellers 6 through the transfer gear 310, the marine input gear 328, the marine intermediate gear 329, the marine output gear 330 and the marine transmission shaft 5, and the water propulsion is realized.
When the amphibious vehicle runs on the water surface at a high speed, the manual gear shifting device 9 is pushed to a neutral position, the power of the engine 1 is not output to the wheels, and is only output to the two water jet propellers 6, so that the amphibious vehicle runs on the water at a high speed.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. A high speed amphibious vehicle transmission system with dual water jet propulsion, coupled to an engine of an amphibious vehicle, comprising: clutch (2), gearbox assembly (3) to and the symmetry sets up in automobile-used propeller shaft subassembly (4), marine transmission shaft (5) and water jet propulsion ware (6) of gearbox assembly (3) both sides, gearbox assembly (3) include:
the gearbox comprises a shell, a clutch shell, a gearbox middle shell, a gearbox rear shell and a clutch shell, wherein the shell is provided with a gearbox front shell (301), a gearbox middle shell (302) and a gearbox rear shell (303), and an engine (1) is sequentially connected with the clutch shell (7), the gearbox front shell (301), the gearbox middle shell (302) and the gearbox rear shell (303) into a whole through bolts;
the clutch comprises a shaft (304), a shaft gear (305), a counter shaft gear (306), an input gear (307) and a vehicle input gear shaft (308), wherein the shaft (304) is connected with the clutch (2) and the shaft gear (305) through corresponding splines, the shaft gear (305) is meshed with the counter shaft gear (306), the counter shaft gear (306) is further meshed with the input gear (307), the input gear (307) is installed on the vehicle input gear shaft (308), and the vehicle input gear shaft (308) is provided with a gear tooth (3081);
the transmission comprises a vehicle and ship synchronizer component (309), a transfer gear (310), a fourth-gear input gear (311), a third-fourth-gear synchronizer component (312), a third-gear input gear (313), a second-gear input gear (314) and a fifth-gear input gear (315), wherein the vehicle and ship synchronizer component (309), the transfer gear (310), the fourth-gear input gear (311), the third-fourth-gear synchronizer component (312), the third-gear input gear (313) and the second-gear input gear (314) are sequentially arranged on a vehicle input gear shaft (308) and are positioned in front of a first;
the output gear shaft (316) for the vehicle is sequentially arranged on the output gear shaft (316) for the vehicle and is provided with a fourth-gear output gear (317), a third-gear output gear (318), a second-gear output gear (319), a second-gear synchronizer component (320), a first-gear output gear (321), a reverse gear output gear (322), a fifth-gear reverse synchronizer component (323) and a fifth-gear output gear (324), wherein the shaft end of the output gear shaft (316) for the vehicle is provided with a driving bevel gear (3161);
a reverse input gear shaft (325) mounted to the rear case (303) of the transmission and engaged with a first range gear (3081) and a reverse output gear (322) on the input gear shaft (308) for the vehicle;
a final drive (326) having a driven bevel gear (327) meshing with a drive bevel gear (3161) on a vehicular output gear shaft (316); and
a marine input gear (328), two marine intermediate gears (329) engaged with the same side of the marine input gear (328), and two marine output gears (330) engaged with the two marine intermediate gears (329);
wherein, the clutch shell (7) is provided with an electric gear shifting device (8) for controlling a vehicle and vessel synchronizer assembly (309), and the middle shell (302) of the gear box is provided with a manual gear shifting device (9) for controlling a first-gear second-gear synchronizer assembly (320), a third-gear fourth-gear synchronizer assembly (312) and a fifth-gear reverse gear synchronizer assembly (323);
the flywheel of the engine (1) is connected with the clutch (2), the clutch (2) is connected with a shaft (304), a shaft gear (305) drives an input gear (307) to drive a vehicle input gear shaft (308) to rotate through a counter shaft gear (306), a corresponding gear on the vehicle input gear shaft (308) is meshed with a corresponding gear on a vehicle output gear shaft (316), a driving bevel gear (3161) on the vehicle output gear shaft (316) is meshed with a driven bevel gear (327) of a main reducer (326), and the main reducer (326) is connected with vehicle transmission shaft assemblies (4) on two sides;
the transfer gear (310) is meshed with a marine input gear (328), the marine input gear (328) is meshed with marine intermediate gears (329) on two sides, the two marine intermediate gears (329) are further meshed with two marine output gears (330), and the marine output gears (330) are sequentially connected with a marine transmission shaft (5) and a water jet propeller (6).
2. A high-speed amphibious vehicle transmission system according to claim 1, characterised in that the power output from said engine (1) is transmitted to said shaft (304) through splines of clutch (2) and then to said vehicle input gear shaft (308) through said shaft gear (305), said intermediate shaft gear (306) and said input gear (307).
3. A high-speed amphibious vehicle drive system according to claim 2, characterised in that said amphibious vehicle has a land driving regime, an in-or out-of-water regime and a high-speed driving regime on the water surface,
when the amphibious vehicle runs on land, the vehicle and ship synchronizer assemblies (309) disconnect the power of the transfer gear (310) under the control of the electric gear shifting device (8), two water jet propellers (6) do not work, at the moment, the power of an engine (1) is transmitted to the main speed reducer (326) through the vehicle input gear shaft (308), the vehicle output gear shaft (316), the reverse gear input gear shaft (325), the corresponding vehicle gear synchronizer assemblies and the corresponding gear gears, and finally transmitted to a wheel mechanism through the vehicle transmission shaft assemblies (4) on two sides, so that the amphibious vehicle runs on land, wherein the manual gear shifting device (9) controls the positions of the corresponding vehicle gear synchronizer assemblies during the land running.
4. A high-speed amphibious vehicle drive system according to claim 3, characterised in that said amphibious vehicle has a land driving regime, an in-or out-of-water regime and a high-speed driving regime on the water surface,
when the amphibious vehicle is in a water inlet working condition or a water outlet working condition, wheels and the water jet propellers (6) are required to work simultaneously, the vehicle and ship synchronizer assembly (309) is connected with the transfer gear (310) under the control of the electric gear shifting device (8), the power of the engine (1) is transmitted by two routes, one route is identical to a land running working condition, the power of the engine (1) is transmitted to the wheels through the vehicle output gear shaft (316), the corresponding gear, the main speed reducer (326) and the vehicle transmission shaft assembly (4), the wheels rotate, and the other route power is transmitted to the two water jet propellers (6) through the transfer gear (310), the marine input gear (328), the marine intermediate gear (329), the marine output gear (330) and the marine transmission shaft assembly (5), and the water propulsion is realized.
5. A high-speed amphibious vehicle transmission system according to claim 4, wherein when the amphibious vehicle is in a high-speed driving condition on the water surface, the manual gear shifting device (9) is pushed to a neutral position, and the power of the engine (1) is not output to wheels, but is output to only two water jet propellers (6), so that the amphibious vehicle is driven on the water at the high speed.
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| JP4323132B2 (en) * | 2002-03-15 | 2009-09-02 | 株式会社日立製作所 | Automobile control method, automobile control device, transmission, transmission control device, and vehicle system |
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