CN216033563U

CN216033563U - Hybrid amphibious vehicle

Info

Publication number: CN216033563U
Application number: CN202121765768.XU
Authority: CN
Inventors: 李良波; 张强; 高克志; 张皓; 叶硼林
Original assignee: Dongfeng Off Road Vehicle Co Ltd
Current assignee: Dongfeng Off Road Vehicle Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-15
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a hybrid amphibious vehicle, which comprises a retractable double-cross-arm independent suspension system, a diesel engine, an elastic coupling, a permanent magnet synchronous generator and a speed reducer which are arranged on the front frame, a water jet propeller, a power battery and an electric wheel which is arranged on a retractable double-transverse-arm independent suspension system, can extend out of or retract into the vehicle body under the driving of the vehicle body, the elastic coupling is communicated with the rotating shafts of the diesel engine and the permanent magnet synchronous generator, the speed reducer is in transmission connection with the permanent magnet synchronous generator, two ends of a transmission shaft of the water jet propeller are respectively in transmission connection with the speed reducer and the water jet propeller, a clutch is arranged in the permanent magnet synchronous generator to control the on-off of the transmission of the permanent magnet synchronous generator and the speed reducer, the generator is used for driving the electric wheels and charging the power battery, and solves the problems that the running stability of the amphibious vehicle in water is insufficient and a power system is difficult to flexibly adapt to a running scene.

Description

Hybrid amphibious vehicle

Technical Field

The utility model relates to the technical field of amphibious vehicles, in particular to a hybrid power amphibious vehicle.

Background

The amphibious vehicle has the characteristics of both a vehicle and a ship, can flexibly run on the land, and can be quickly and conceivably propelled in water. In a traditional amphibious vehicle, an engine is arranged in the middle or at the rear, a power distributor is connected behind the engine, and the power distributor has two paths of power output, wherein one path of power is output to a gearbox from the power distributor in a land power transmission route, the rear of the gearbox is connected with a transfer case, the rear of the transfer case is connected with a main transmission shaft, the rear of the main transmission shaft is connected with a drive axle, a drive bridge is connected with each wheel, and power is transmitted to each wheel from the engine, so that land motor driving is realized; and the overwater power transmission line adopts the other path of power to be output to a transmission shaft of the water-jet propeller from the power distributor, the transmission shaft of the water-jet propeller is connected with the water-jet propeller, and the water-jet propeller drives the vehicle to advance through jet water flow, so that the overwater hidden propulsion is realized.

The prior art has the following disadvantages: (1) in the prior art, the power assembly is arranged in a middle or rear way, so that the transmission distance between the power assembly and the water jet propeller is shortened, and the stability of the vehicle running in water is not facilitated due to the fact that the gravity center of the vehicle is behind; (2) the transmission system has more mechanisms and occupies larger space, so that the gravity center is close to the upper part, and the stability of land running operation is poor, thereby being not beneficial to the quick maneuvering of the amphibious vehicle.

SUMMERY OF THE UTILITY MODEL

In view of the above-identified deficiencies in the art or needs for improvement, the present invention provides a hybrid amphibious vehicle comprising a retractable double wishbone independent suspension system, a diesel engine, an elastic coupling, a permanent magnet synchronous generator and a speed reducer which are arranged on the front frame, a water jet propeller, a power battery and an electric wheel which is arranged on a retractable double-transverse-arm independent suspension system, can extend out of or retract into the vehicle body under the driving of the vehicle body, the elastic coupling is communicated with the rotating shafts of the diesel engine and the permanent magnet synchronous generator, the speed reducer is in transmission connection with the permanent magnet synchronous generator, two ends of a transmission shaft of the water jet propeller are respectively in transmission connection with the speed reducer and the water jet propeller, a clutch is arranged in the permanent magnet synchronous generator to control the on-off of the transmission of the permanent magnet synchronous generator and the speed reducer, the generator is used for driving the electric wheels and charging the power battery, and solves the problems that the running stability of the amphibious vehicle in water is insufficient and a power system is difficult to flexibly adapt to a running scene.

In order to achieve the above object, according to the utility model provides a hybrid amphibious vehicle, including being fixed in the preceding frame and the back frame of automobile body, still include:

the system comprises a retractable double-transverse-arm independent suspension system, a diesel engine, an elastic coupling, a permanent magnet synchronous generator, a speed reducer, a water-jet propeller transmission shaft, a water-jet propeller, a power battery and an electric wheel;

the electric wheels are arranged on the retractable double-transverse-arm independent suspension system, the retractable double-transverse-arm independent suspension system can extend or retract the electric wheels from the vehicle body, the diesel engine, the elastic coupling, the permanent magnet synchronous generator and the speed reducer are arranged on the front vehicle frame, the elastic coupling is used for communicating the diesel engine with a rotating shaft of the permanent magnet synchronous generator, the speed reducer is in transmission connection with the permanent magnet synchronous generator, two ends of a transmission shaft of the water jet propeller are in transmission connection with the speed reducer and the water jet propeller respectively, and the water jet propeller is arranged at the tail of the vehicle body and used for jetting water flow to push the amphibious vehicle to advance;

the permanent magnet synchronous generator comprises a clutch, the clutch is used for controlling the permanent magnet synchronous generator and the on-off of the transmission of the speed reducer, the permanent magnet synchronous generator is communicated with the power battery circuit and used for charging the latter, and the power battery is arranged in the middle of the vehicle body and communicated with the electric wheel circuit and used for driving the electric wheels to rotate.

Furthermore, the retractable double-wishbone independent suspension system comprises a left rear retractable double-wishbone independent suspension arranged on the left side of the rear frame, a left middle retractable double-wishbone independent suspension, a right middle retractable double-wishbone independent suspension arranged on the right side of the rear frame, and the electric wheels are rotatably connected to the left rear retractable double-wishbone independent suspension, the left middle retractable double-wishbone independent suspension, the right middle retractable double-wishbone independent suspension and the right rear retractable double-wishbone independent suspension, and when the amphibious vehicle runs in water, the electric wheels can be retracted into the vehicle body by four people.

Furthermore, the retractable double-wishbone independent suspension system comprises a left middle retractable double-wishbone independent suspension and a left rear retractable double-wishbone independent suspension which are arranged on the left side of the front frame, and a right middle retractable double-wishbone independent suspension and a right rear retractable double-wishbone independent suspension which are arranged on the right side of the front frame, the electric wheels are rotatably connected to the left middle retractable double-wishbone independent suspension, the left rear retractable double-wishbone independent suspension, the right middle retractable double-wishbone independent suspension and the right rear retractable double-wishbone independent suspension, and four amphibious vehicles can retract the electric wheels into the vehicle body when driving in water.

Furthermore, the electric wheel comprises a tire, a hub motor, a speed reducer and a disc brake, the tire is in contact with the ground, the hub motor is arranged in the tire and is communicated with the power battery circuit and used for driving the tire to rotate, the speed reducer is in transmission connection with the hub motor, and the disc brake is used for providing a braking function.

The automobile chassis further comprises a front chassis frame and a rear chassis frame, wherein the front chassis frame is arranged on the front automobile frame, and the rear chassis frame is arranged on the rear automobile frame.

Further, the system comprises an engine radiator with an intercooler assembly, a generator and wheel hub motor radiator assembly;

the engine radiator with the intercooler assembly is fixedly arranged at the front end of the diesel engine and used for radiating heat of the diesel engine, and the generator and hub motor radiator assembly is fixedly arranged at the front end of the engine radiator with the intercooler assembly and used for cooling the electric wheel and the permanent magnet synchronous generator.

Further, the exhaust system comprises an air inlet system and a silencer belt exhaust pipe assembly, wherein the air inlet system is fixedly installed at the front end of the diesel engine and used for providing air for the diesel engine, and the silencer belt exhaust pipe assembly is fixedly installed between the diesel engine and the rear chassis frame and used for exhausting and reducing noise.

Further, the system comprises a permanent magnet synchronous generator controller, a hub motor controller bracket, a hub motor controller, a high-voltage power distribution cabinet, a high-voltage cable and a whole vehicle controller;

the permanent magnet synchronous generator controller, the in-wheel motor controller and the high-voltage power distribution cabinet are fixedly mounted on the in-wheel motor controller bracket through bolts and integrally arranged at the rear end of the rear chassis frame, and the permanent magnet synchronous generator controller can be used for providing functions of electric quantity measurement, electric quantity display, electric quantity protection and the like for the permanent magnet synchronous generator;

the number of the permanent magnet synchronous generator controllers is six, the permanent magnet synchronous generator controllers are respectively used for controlling six electric wheels, the hub motor controllers are used for providing the functions of starting up, stopping, measuring data, displaying data, protecting faults and the like of the electric wheels, and the high-voltage power distribution cabinet is used for regulating and distributing electric energy of the permanent magnet synchronous generator to different electric wheels;

and the vehicle control unit is connected with the permanent magnet synchronous generator controller and the hub motor controller through the high-voltage cable and is used for controlling the output distribution of electric energy.

The auxiliary oil tank is fixedly installed between the electric wheels connected with the left middle retractable double-cross-arm independent suspension and the left rear retractable double-cross-arm independent suspension, and both the auxiliary oil tank and the electric wheels are used for oil storage and supply.

Further, the steering wheel and the steering column are arranged on one side of a driver, and the driver can operate the vehicle through the steering wheel and the steering column.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1. the utility model provides a hybrid amphibious vehicle, which is provided with a gearbox, a transfer case, a transmission shaft, a front axle, a rear axle and a wheel-side half shaft, wherein an electric wheel system is adopted to drive the vehicle to advance, the electric wheel system integrates a tire, a hub motor, a speed reducer and a disc brake, the space utilization rate in the vehicle is improved, the electric drive mode is adopted, the power transmission efficiency is higher, the endurance mileage is improved, the electric wheel can be driven by a generator with an engine to realize oil-electricity hybrid power drive on land, the electric wheel can also be directly driven by a power battery, pure electric drive is realized, and when the electric drive is carried out, the noise is low, the hybrid amphibious vehicle can be used in special use scenes, and the problems that the driving stability in water of the amphibious vehicle is insufficient and the power system is difficult to flexibly adapt to the driving scenes are solved.

2. The utility model provides a hybrid amphibious vehicle, which adopts a retractable double-transverse-arm independent suspension system to connect and fix an electric wheel.

3. The utility model provides a hybrid amphibious vehicle, which is characterized in that a power and transmission assembly of a diesel engine, an elastic coupling, a permanent magnet synchronous generator and a speed reducer is arranged on a front frame in front, and power is transmitted to a water jet propeller at the tail of the vehicle through a transmission shaft of the water jet propeller, so that the gravity center of the amphibious vehicle is moved forward, the space utilization rate is improved, the power assembly can be prevented from being too high, and the stability of land driving can be guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a hybrid amphibious vehicle according to an embodiment of the utility model.

In all the figures, the same reference numerals denote the same features, in particular: 1-vehicle body, 2-right front electric wheel assembly, 3-right front retractable double-cross-arm independent suspension, 4-air inlet system, 5-front vehicle frame, 6-diesel engine, 7-elastic coupling, 8-permanent magnet synchronous generator, 9-speed reducer, 10-water jet propeller transmission shaft, 11-muffler exhaust pipe assembly, 12-right middle electric wheel assembly, 13-right middle retractable double-cross-arm independent suspension, 14-rear vehicle frame, 15-right rear electric wheel assembly, 16-right rear retractable double-cross-arm independent suspension, 17-permanent magnet synchronous generator controller, 18-water jet propeller, 19-hub motor controller bracket, 20-hub motor controller, 21-high-voltage power distribution cabinet, 22-left rear electric wheel assembly, 2-left rear electric wheel assembly, 3-right rear electric wheel assembly, 6-silencer exhaust pipe assembly, 6-right middle electric wheel assembly, and 18-water jet propeller, 23-left rear retractable double-cross-arm independent suspension, 24-auxiliary oil tank, 25-left middle electric wheel assembly, 26-left middle retractable double-cross-arm independent suspension, 27-main oil tank, 28-power battery, 29-high-voltage cable, 30-steering wheel, 31-steering column, 32-vehicle controller, 33-left front retractable double-cross-arm independent suspension, 34-left front electric wheel assembly, 35-engine radiator with intercooler assembly, 36-generator and hub motor radiator assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the present invention provides a hybrid amphibious vehicle, comprising a front frame 5 and a rear frame 14 welded to a vehicle body 1, respectively, and further comprising a front chassis frame and a rear chassis frame mounted to the front frame 5 and the rear frame 14, respectively, wherein the front chassis frame comprises a left front retractable double-wishbone independent suspension 33 and a right front retractable double-wishbone independent suspension 3, both of which are bolted to the left and right sides of the front frame 5, respectively, for connecting and fixing electric wheels, and the rear chassis frame comprises a left middle retractable double-wishbone independent suspension 26, a left rear retractable double-wishbone independent suspension 23, a right middle retractable double-wishbone independent suspension 13 and a right rear retractable double-wishbone independent suspension 16, which are also used for connecting and fixing electric wheels, and the front chassis frame and the rear chassis frame constitute a six-wheel supporting structure, and at the same time, the electric wheels can be retracted into the vehicle body 1, the resistance of the amphibious vehicle in water running is reduced, further, a diesel engine 6 and a permanent magnet synchronous generator 8 are installed at the front portion of the vehicle body 1, the diesel engine 6 is in transmission connection with a water jet propeller 18 arranged at the tail portion of the vehicle body 1, the water jet propeller 18 is driven by the diesel engine 6 to provide thrust for the amphibious vehicle in water running, the power front portion can ensure that the gravity center of the vehicle is centered, when the amphibious vehicle runs on the land, a power battery 28 is adopted to drive six electric wheels to run, meanwhile, a range extender composed of the diesel engine 6, an elastic coupling 7 and the permanent magnet synchronous generator 8 can also be started to supply power to the power battery 28, pure electric driving is low in noise, the amphibious vehicle is suitable for being used in a special scene, and the problems that the amphibious vehicle is insufficient in water running stability and a power system cannot flexibly adapt to a running scene are solved.

Further, as shown in fig. 1, the electric wheel integrates a tire, a hub motor, a speed reducer and a disc brake, the tire is in contact with the ground, the hub motor is arranged in the tire, the speed reducer is in transmission connection with the hub motor, the disc brake is used for providing a braking function, space is saved for the amphibious vehicle, six electric wheel assemblies are arranged in total, and the electric wheel assemblies comprise a left middle electric wheel assembly 25, a left rear electric wheel assembly 22, a right middle electric wheel assembly 12 and a right rear electric wheel assembly 15 which are arranged on a rear chassis frame, and a right front electric wheel assembly 2 and a left front electric wheel assembly 34 which are arranged on a front chassis frame, wherein the left rear electric wheel assembly 22, the right middle electric wheel assembly 12, the right rear electric wheel assembly 15 and the left middle electric wheel assembly 25 are respectively arranged on a left rear retractable double independent suspension 23, a right middle retractable double independent suspension 13, a transverse arm, On the right rear retractable double-wishbone independent suspension 16 and the left middle retractable double-wishbone independent suspension 26, and the right front electric wheel assembly 2 and the left front electric wheel assembly 34 are respectively provided on the left front retractable double wishbone independent suspension 33 and the right front retractable double wishbone independent suspension 3, the left rear retractable double wishbone independent suspension 23, the right middle retractable double wishbone independent suspension 13, the right rear retractable double wishbone independent suspension 16, the left middle retractable double wishbone independent suspension 26, the left front retractable double wishbone independent suspension 33 and the right front retractable double wishbone independent suspension 3 are collectively referred to herein as a retractable double wishbone independent suspension system, and by employing this system, when the amphibious vehicle runs in water, the electric wheels can be collected into the vehicle body 1 through the retractable double-transverse-arm independent suspension system, the purpose of reducing water resistance is achieved, and the underwater travelling speed of the amphibious vehicle is improved.

Further, as shown in fig. 1, the amphibious vehicle further comprises an elastic coupling 7, a permanent magnet synchronous generator 8, a speed reducer 9 and a water jet propeller transmission shaft 10, wherein one side of the elastic coupling 7 is fixedly mounted on a flywheel of the diesel engine 6 through a bolt, the other side of the elastic coupling is coupled with a rotating shaft of the permanent magnet synchronous generator 8 and is used for transmitting the power of the diesel engine 6 to the permanent magnet synchronous generator 8, a clutch is further integrated on the generator, the output end of the clutch is connected with the speed reducer 9, the speed reducer 9 is further coupled with the water jet propeller transmission shaft 10 and is used for transmitting the power to the water jet propeller 18 through multi-step transmission, and finally the water jet propeller 18 drives the vehicle to run on water through jet water flow, and further, the clutch can control the transmission between the permanent magnet synchronous generator 8 and the speed reducer 9, preferably, the diesel engine 6 is turned on or turned off, The elastic coupling 7, the permanent magnet synchronous generator 8 and the speed reducer 9 are arranged on the front frame 5 in a front-mounted mode, power is transmitted to the water jet propeller at the tail of the amphibious vehicle through the water jet propeller transmission shaft 10, the center of gravity of the amphibious vehicle is moved forwards, meanwhile, structures such as a gearbox, a transfer case, a transmission shaft, a front axle, a rear axle and a wheel-side half shaft in the traditional amphibious vehicle are eliminated, the space utilization rate is improved, the power assembly can be prevented from being too high, and the stability of land driving can be guaranteed.

Further, as shown in fig. 1, the amphibious vehicle further comprises an air intake system 4, a muffler belt exhaust pipe assembly 11, an engine radiator with intercooler assembly 35, a generator and in-wheel motor radiator assembly 36, wherein the engine radiator with intercooler assembly 35 is fixedly installed at the front end of the diesel engine 6 and used for dissipating heat of the diesel engine, the air intake system 4 is installed on the right side of the front end of the diesel engine 6 and used for providing air for the diesel engine 6, further, the generator and in-wheel motor radiator assembly 36 is fixedly installed at the front end of the engine radiator with intercooler assembly 35 and used for cooling the electric wheel and the permanent magnet synchronous generator 8, and the muffler belt exhaust pipe assembly 11 is fixedly installed between the diesel engine 6 and the rear chassis frame and used for starting the diesel engine 6 to drive. The silencer with the exhaust pipe assembly 11 is used for removing exhaust gas and denoising simultaneously, and is beneficial to the amphibious vehicle to achieve a better silencing effect.

Further, as shown in fig. 1, the amphibious vehicle further comprises a permanent magnet synchronous generator controller 17, an in-wheel motor controller support 19, an in-wheel motor controller 20, a high voltage power distribution cabinet 21, a high voltage cable 29 and a vehicle control unit 32, wherein the permanent magnet synchronous generator controller 17, the in-wheel motor controller 20 and the high voltage power distribution cabinet 21 are fixedly mounted on the in-wheel motor controller support 19 through bolts and integrally arranged at the rear end of the rear chassis frame, the permanent magnet synchronous generator controller 17 can be used for providing functions of electric quantity measurement, electric quantity display, electric quantity protection and the like for the permanent magnet synchronous generator 8, preferably, the number of the permanent magnet synchronous generator controllers 17 is six, the permanent magnet synchronous generator controllers are respectively used for controlling six electric wheels, and the in-wheel motor controller 20 is used for providing functions of electric wheel startup, shutdown, data measurement, data display, fault protection and the like, the high voltage distribution cabinet 21 is used for regulating and distributing the electric energy of the permanent magnet synchronous generator 8 to different electric wheels, and further, the vehicle control unit 32 is connected with the permanent magnet synchronous generator controller 17 and the hub motor controller 20 through the high voltage cable 29 and used for controlling the output distribution of the electric energy.

Further, as shown in fig. 1, the amphibious vehicle further comprises a secondary oil tank 24, a main oil tank 27 and a steering system, wherein the main oil tank 27 is fixedly installed at the front end of the rear chassis frame, the secondary oil tank 24 is fixedly installed between the left middle electric wheel assembly 25 and the left rear electric wheel assembly 22, and both are in oil-way communication with the diesel engine 6 and used for oil storage and supply, so that the cruising ability of the amphibious vehicle is ensured.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A hybrid amphibious vehicle comprising a front frame (5) and a rear frame (14) fixed to a vehicle body (1), characterized by comprising:

the system comprises a retractable double-cross-arm independent suspension system, a diesel engine (6), an elastic coupling (7), a permanent magnet synchronous generator (8), a speed reducer (9), a water-jet propeller transmission shaft (10), a water-jet propeller (18), a power battery (28) and electric wheels;

the electric wheels are arranged on the retractable double-cross-arm independent suspension system which can extend or retract the electric wheels from the vehicle body (1), the diesel engine (6), the elastic coupling (7), the permanent magnet synchronous generator (8) and the speed reducer (9) are arranged on the front frame (5), the elastic coupling (7) is used for communicating the diesel engine (6) with the rotating shaft of the permanent magnet synchronous generator (8), the speed reducer (9) is in transmission connection with the permanent magnet synchronous generator (8), two ends of the transmission shaft (10) of the water-jet propeller are respectively in transmission connection with the speed reducer (9) and the water-jet propeller (18), the water jet propeller (18) is arranged at the tail of the vehicle body (1) and is used for jetting water flow to push the amphibious vehicle to advance;

permanent magnet synchronous generator (8) include the clutch, the clutch is used for control permanent magnet synchronous generator (8) with reduction gear (9) driven break-make, permanent magnet synchronous generator (8) with power battery (28) circuit intercommunication for charge for the latter, power battery (28) are located automobile body (1) middle part, and with electronic round of circuit intercommunication, be used for the drive electronic round of rotation.

2. A hybrid amphibious vehicle according to claim 1, wherein the retractable double-wishbone independent suspension system comprises a left rear retractable double-wishbone independent suspension (23) arranged on the left side of the rear vehicle frame (14), a left middle retractable double-wishbone independent suspension (26), and a right middle retractable double-wishbone independent suspension (13) and a right rear retractable double-wishbone independent suspension (16) arranged on the right side thereof, the electric wheels are rotatably connected to the left rear retractable double-wishbone independent suspension (23), the left middle retractable double-wishbone independent suspension (26), the right middle retractable double-wishbone independent suspension (13) and the right rear retractable double-wishbone independent suspension (16), and four electric wheels can be retracted into the vehicle body (1) when the amphibious vehicle is running in water.

3. A hybrid amphibious vehicle according to claim 2, wherein the retractable double-wishbone independent suspension system comprises a left middle retractable double-wishbone independent suspension (26) and a left rear retractable double-wishbone independent suspension (23) arranged on the left side of the front vehicle frame (5), and a right middle retractable double-wishbone independent suspension (13) and a right rear retractable double-wishbone independent suspension (16) arranged on the right side thereof, the electric wheels are rotatably connected to the left middle retractable double-wishbone independent suspension (26), the left rear retractable double-wishbone independent suspension (23), the right middle retractable double-wishbone independent suspension (13) and the right rear retractable double-wishbone independent suspension (16), and four electric wheels can be retracted into the vehicle body (1) when the amphibious vehicle is running in water.

4. A hybrid amphibious vehicle according to claim 3, wherein the powered wheels comprise tyres in contact with the ground, in-wheel motors arranged in the tyres and in electrical communication with the power cells (28) for driving the tyres in rotation, speed reducers in driving connection with the in-wheel motors, and disc brakes for providing a braking function.

5. A hybrid amphibious vehicle according to claim 3, comprising a front chassis frame provided to said front vehicle frame (5) and a rear chassis frame provided to said rear vehicle frame (14).

6. A hybrid amphibious vehicle according to claim 5, comprising an engine radiator with intercooler assembly (35) and a generator and hub motor radiator assembly (36);

the engine radiator with the intercooler assembly (35) is fixedly installed at the front end of the diesel engine (6) and used for heat dissipation, and the generator and hub motor radiator assembly (36) is fixedly installed at the front end of the engine radiator with the intercooler assembly (35) and used for cooling the electric wheel and the permanent magnet synchronous generator (8).

7. A hybrid amphibious vehicle according to claim 5, comprising an air intake system (4) and a silencer belt exhaust duct assembly (11), said air intake system (4) being fixedly mounted at the front end of said diesel engine (6) for supplying air to said diesel engine (6), said silencer belt exhaust duct assembly (11) being fixedly mounted between said diesel engine (6) and said rear chassis frame for exhaust and noise reduction.

8. A hybrid amphibious vehicle according to claim 5, characterised by comprising a permanent magnet synchronous generator controller (17), a hub motor controller bracket (19), a hub motor controller (20), a high voltage distribution cabinet (21), a high voltage cable (29) and a vehicle control unit (32);

the permanent magnet synchronous generator controller (17), the in-wheel motor controller (20) and the high-voltage power distribution cabinet (21) are fixedly mounted on the in-wheel motor controller support (19) through bolts and integrally arranged at the rear end of the rear chassis frame, and the permanent magnet synchronous generator controller (17) can be used for providing functions of electric quantity measurement, electric quantity display, electric quantity protection and the like for the permanent magnet synchronous generator (8);

the number of the permanent magnet synchronous generator controllers (17) is six, the permanent magnet synchronous generator controllers are respectively used for controlling six electric wheels, the hub motor controller (20) is used for providing the functions of starting up, stopping, data measurement, data display, fault protection and the like of the electric wheels, and the high-voltage power distribution cabinet (21) is used for regulating and distributing electric energy of the permanent magnet synchronous generator (8) to different electric wheels;

and the vehicle control unit (32) is connected with the permanent magnet synchronous generator controller (17) and the hub motor controller (20) through the high-voltage cable (29) and is used for controlling the output distribution of electric energy.

9. A hybrid amphibious vehicle according to claim 5, comprising a secondary oil tank (24), a primary oil tank (27), said primary oil tank (27) being fixedly mounted at the front end of said rear chassis frame, said secondary oil tank (24) being fixedly mounted between said powered wheels to which said left middle and rear retractable double wishbone independent suspensions (26, 23) are connected, both for oil storage and supply.

10. A hybrid amphibious vehicle according to claim 1, characterised by comprising a steering wheel (30), a steering column (31), both on the driver's side, by means of which the driver can steer the vehicle.