CN111469614A

CN111469614A - Amphibious vehicle

Info

Publication number: CN111469614A
Application number: CN202010370214.3A
Authority: CN
Inventors: 张良; 张建军; 李义; 涂凌志
Original assignee: Changsha Zhonglian Hengtong Machinery Co Ltd
Current assignee: Changsha Zhonglian Hengtong Machinery Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-31

Abstract

The invention discloses an amphibious vehicle which comprises a vehicle main body, and a water skiing plate device and a soil shifting device which are connected to the vehicle main body, wherein the water skiing plate device is arranged at the head of the vehicle main body or at the head and the tail of the vehicle main body simultaneously and used for increasing the lifting force of the vehicle main body in water, and the soil shifting device is arranged at the head of the vehicle main body. The amphibious vehicle disclosed by the invention can be lifted from the water as soon as possible through the water slide plate device, so that the water-facing area of the amphibious vehicle is increased when the amphibious vehicle runs in the water, the resistance of the amphibious vehicle in the water is reduced, and the purpose of improving the navigational speed is realized; the amphibious vehicle can realize bulldozing operation on land through the bulldozing device, so that the amphibious vehicle can sail and can bulldoze and fill up a pit and a trench through the reasonable arrangement of the water skiing plate device and the bulldozing device at the same time, the amphibious vehicle can be widely applied to various working conditions, and the application range of the amphibious vehicle is greatly expanded.

Description

Amphibious vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to an amphibious vehicle.

Background

The amphibious vehicle can run on land and in river and sea, and is widely applied to various industries such as military affairs, mining and recreation.

At present, wheels and a vehicle body of an amphibious vehicle are immersed under water when the amphibious vehicle wades into water, the vehicle body is deep in draft, so that water resistance in the advancing process of the vehicle is increased rapidly, the lift force is small, the speed of the vehicle during water surface floating is reduced remarkably, and the amphibious vehicle is difficult to drive and cannot advance at all in some areas with many mountain pits due to the fact that the amphibious vehicle usually runs on a road surface with rugged road conditions, so that the comprehensive performance of the whole vehicle is greatly influenced.

Disclosure of Invention

In order to solve the above technical problems, embodiments of the present invention provide an amphibious vehicle having both a water skiing plate device and a soil removal device, and being capable of navigating and removing soil to fill a pit or trench.

The technical scheme of the invention is realized as follows:

an amphibious vehicle comprises a vehicle body, a water skiing plate device and a soil shifting device, wherein the water skiing plate device and the soil shifting device are connected to the vehicle body, the water skiing plate device is arranged at the head of the vehicle body or at the head and the tail of the vehicle body simultaneously and used for increasing the lifting force of the vehicle body in water, and the soil shifting device is arranged at the head of the vehicle body.

Preferably, the ski device is deployable or collapsible for lengthening or shortening its length.

Preferably, the surfboard device includes multistage sliding connection's expansion plate in proper order and with the expansion plate is connected and is used for the drive unit of expansion plate motion, the tip of expansion plate with the vehicle main part is connected fixedly.

Preferably, the telescopic plates are in three stages, the three stages of telescopic plates are respectively a first telescopic plate, a second telescopic plate and a third telescopic plate, one end of the first telescopic plate is fixedly connected with the vehicle main body, the second telescopic plate is sleeved at the other end of the first telescopic plate and can slide along the first telescopic plate, and the third telescopic plate is sleeved in the second telescopic plate and can slide along the second telescopic plate;

the driving unit comprises a first driving unit and a second driving unit, the first driving unit is arranged in the telescopic plate to drive the second telescopic plate and the third telescopic plate to slide, one end of the second driving unit is connected to the vehicle main body, and the other end of the second driving unit is connected to the first telescopic plate, the second telescopic plate or the third telescopic plate;

the first driving unit is a multi-stage telescopic oil cylinder.

Preferably, the multistage expansion plate comprises a first expansion plate and a plurality of second expansion plates, the second expansion plates are sleeved in the first expansion plates and can slide along the first expansion plates, the first expansion plates are arranged on one sides of the bulldozing device and fixedly connected with the bulldozing device, and the driving unit is arranged in the expansion plates to drive the second expansion plates to move.

Preferably, the water skiing board device comprises a plurality of folding boards which are connected in a rotating mode and a folding driving unit which is connected with the folding boards and used for driving the folding boards to move, and the folding boards can be folded and overlapped into a whole.

Preferably, the rotating connection pair comprises a folding connecting rod and a steering connecting rod which are connected in a rotating manner, and the folding connecting rod and the steering connecting rod are respectively connected with the folding plate in a rotating manner.

Preferably, the plurality of folding plates are respectively a first folding plate and a second folding plate, the first folding plate is connected to the vehicle body, the first folding plate is rotatably connected to the folding connecting rod, and the second folding plate is rotatably connected to the steering connecting rod;

folding drive unit includes third drive unit and fourth drive unit, the one end of third drive unit is fixed in on the first folding board, the other end with it is vice to rotate to connect folding connecting rod connects, the one end of fourth drive unit is connected vehicle main part, the other end with first folding board is connected.

Preferably, the folding plates are respectively a first folding plate and a second folding plate, the second folding plate is rotatably connected with the steering connecting rod, the first folding plate is rotatably connected with the folding connecting rod, the first folding plate is arranged on one side of the bulldozing device and fixedly connected with the bulldozing device, the first folding plate is driven by the bulldozing device to move, and one end of the folding driving unit is fixed on the bulldozing device, and the other end of the folding driving unit is connected with the folding connecting rod of the rotating connecting pair.

Preferably, the water skiing device further comprises a front driving device which is rotationally connected with the water skiing plate device, and the front driving device and a horizontal plane are arranged at an included angle;

the front driving device comprises a front driving plate and an elastic body, the front driving plate is rotatably connected to the water skiing plate device and is far away from one end of the vehicle body, one end of the elastic body is connected with the water skiing plate device, and the other end of the elastic body is connected to the front driving plate.

The amphibious vehicle provided by the embodiment of the invention enables the amphibious vehicle to rise from water as soon as possible through the water slide plate device, increases the water-facing area of the amphibious vehicle when the amphibious vehicle runs in water, reduces the resistance of the amphibious vehicle in water, and achieves the purpose of improving the navigational speed; the amphibious vehicle can realize bulldozing operation on land through the bulldozing device, so that the amphibious vehicle can sail and can bulldoze and fill up a pit and a trench through the reasonable arrangement of the water skiing plate device and the bulldozing device at the same time, the amphibious vehicle can be widely applied to various working conditions, and the application range of the amphibious vehicle is greatly expanded.

Drawings

Fig. 1 is a schematic structural view of an amphibious vehicle provided by the invention in an underwater state;

FIG. 2 is a schematic structural diagram of the amphibious vehicle shown in FIG. 1 in a road driving state;

FIG. 3 is a schematic structural view of the amphibious vehicle shown in FIG. 1 in a dozing state;

FIG. 4 is a schematic view of the configuration of the surfboard apparatus of FIG. 1 in an expanded state;

FIG. 5 is a schematic structural view of the surfboard apparatus shown in FIG. 1 in a collapsed state;

fig. 6 is a schematic structural view of an amphibious vehicle in an underwater state according to a second embodiment of the amphibious vehicle provided by the invention;

FIG. 7 is a schematic structural diagram of the amphibious vehicle shown in FIG. 6 in a road driving state;

fig. 8 is a schematic structural view of the amphibious vehicle shown in fig. 6 in a dozing state;

FIG. 9 is a schematic view of the configuration of the surfboard apparatus of FIG. 6 in an expanded state;

FIG. 10 is a schematic structural view of the surfboard apparatus of FIG. 6 in a collapsed state;

fig. 11 is a schematic structural view of a third bulldozer and a retractable plate of the amphibious vehicle according to the present invention in an underwater state;

FIG. 12 is a schematic view of the dozing unit and the retractable plate shown in FIG. 11 in a state of being driven on a road;

FIG. 13 is a schematic view showing the structure of the dozing device and the expansion plate of FIG. 11 in a dozing state;

fig. 14 is a schematic structural view of a fourth bulldozer and a folding plate of the amphibious vehicle according to the present invention in an underwater state;

FIG. 15 is a schematic view of the dozing unit and folding plate shown in FIG. 14 in a state of being driven along a road;

FIG. 16 is a schematic view showing the bulldozer shown in FIG. 14 and the folding plate in a dozing state;

fig. 17 is an enlarged view of a structure of a portion C shown in fig. 14.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example one

Fig. 1 is a schematic structural diagram of an amphibious vehicle in an underwater state according to an embodiment of the present invention. The amphibious vehicle comprises a vehicle body 1, and a dozer device 3 and a water ski device 5 which are connected to the vehicle body 1. The water slide plate device 5 is arranged at the head of the vehicle body 1 or at the head and the tail of the vehicle body 1 simultaneously and is used for increasing the lifting force of the vehicle body 1 in water, and the bulldozing device 3 is arranged at the head of the vehicle body 1, so that the amphibious vehicle is lifted from the water as soon as possible through the water slide plate device 5, the water-facing area of the amphibious vehicle in running in the water is increased, the resistance of the amphibious vehicle in the water is reduced, and the purpose of improving the navigational speed is achieved; the bulldozing device 3 can realize bulldozing operation on land, so the amphibious vehicle can navigate and can bulldoze and fill a pit trench through the water skiing plate device 5 and the bulldozing device 3 which are reasonably and simultaneously arranged, can be widely applied to various working conditions, greatly improves the application range of the amphibious vehicle, and greatly improves the performance of the whole vehicle.

Specifically, in the present embodiment, the vehicle body 1 includes a vehicle body 11, and a crawler belt 13 and wheels 15 provided on the bottom of the vehicle body 11.

The dozer device 3 includes a dozer arm 31, a dozer blade 33, and a dozer drive unit 35, the dozer blade 33 being connected to the vehicle body 11 of the vehicle body via the dozer arm 31, and the dozer drive unit 35 having one end connected to the vehicle body 11 and the other end connected to the dozer arm 31.

The two dozing arms 31 are arranged side by side at intervals, the two dozing arms 31 are simultaneously connected with the vehicle body 11 and the dozing blade 33, and the dozing drive unit 35 extends or shortens to drive the dozing arms 31 to perform lifting motion so as to lift the dozing device 3 into the air or descend to the ground for dozing. Specifically, in this embodiment, the dozing drive unit 35 is a piston cylinder, but in other embodiments, the dozing drive unit 35 may also be a cylinder.

Please refer to fig. 1 to fig. 3, wherein fig. 2 is a schematic structural diagram of the amphibious vehicle shown in fig. 1 in a road driving state; fig. 3 is a schematic structural view of the amphibious vehicle shown in fig. 1 in a dozing state, wherein the aquaplane device 5 can be unfolded or folded for extending or shortening the length thereof. Specifically, when in the underwater navigation state, the surfboard unit 5 is deployed to extend its length, so as to increase the lift force of the vehicle body 1 in the water, increase the water-facing area during navigation, reduce the resistance of the vehicle in the water, and effectively increase the navigation speed. When the amphibious vehicle is on land, the water skiing board device 5 is folded to shorten the length of the device, so that the water skiing board device 5 is not contacted with the ground completely under the normal driving state and the bulldozing state of the road of the amphibious vehicle, the operation of the bulldozing device 3 under the non-working state and the working state is not influenced, the postures under various working conditions are realized, and the structure is flexible and reasonable.

Specifically, in this embodiment, the water skiing plate device 5 may be disposed at a head of the amphibious vehicle, or may be disposed at both the head and the tail of the amphibious vehicle, and preferably, in this embodiment, the water skiing plate device 5 is disposed at the head of the amphibious vehicle to adapt to water-facing movement of the amphibious vehicle during forward movement of the amphibious vehicle in water, so as to improve a speed.

The surfboard device 5 comprises a plurality of stages of expansion plates 50 which are sequentially connected in a sliding manner, and a driving unit 57 which is connected with the expansion plates 50 and used for driving the expansion plates 50 to move, wherein the end parts of the expansion plates are fixedly connected with the vehicle body 1.

Specifically, in this embodiment, the expansion plate 50 has three stages, but in other embodiments, the expansion plate 50 may have two stages, four stages, or more than four stages, and may be specifically set according to the volume of the vehicle body and the area requirement of the surfboard device 5.

Please refer to fig. 4 and 5 in combination, wherein fig. 4 is a schematic structural view of the skateboard apparatus shown in fig. 1 in an unfolded state; FIG. 5 is a schematic structural view of the surfboard apparatus shown in FIG. 1 in a collapsed state; wherein, tertiary expansion plate 50 is first expansion plate 51, second expansion plate 53 and third expansion plate 55 respectively, first expansion plate 51 one end with vehicle body 1 fixed connection, the other end cover of second expansion plate 53 is located in the first expansion plate 51 and can be followed first expansion plate 51 slides, third expansion plate 55 cover is located in the second expansion plate 53 and can be followed second expansion plate 53 slides.

The driving unit 57 includes a first driving unit 571 and a second driving unit 573, the first driving unit 571 is disposed in the expansion plate 50 to drive the first expansion plate 51, the second expansion plate 53 and the third expansion plate 55 to slide, specifically, in this embodiment, the first driving unit 571 is a multi-stage expansion cylinder, and the second driving unit 573 is a piston cylinder. And each stage of the multi-stage telescopic oil cylinder is respectively connected with the first telescopic plate 51, the second telescopic plate 53 and the third telescopic plate 55 so as to drive the first telescopic plate 51, the second telescopic plate 53 and the third telescopic plate 55 to do telescopic motion to change the total length of the telescopic plate 50. The multi-stage telescopic oil cylinder drives the first telescopic plate 51, the second telescopic plate 53 and the third telescopic plate 55 to extend or shorten.

The second drive unit 573 has one end connected to the vehicle body 11 and the other end connected to the first telescopic plate 51, the second telescopic plate 53, or the third telescopic plate 55. Preferably, in this embodiment, one end of the second driving unit 573 is connected to the vehicle body 11, and the other end is connected to the second expansion plate 53, and the second driving unit 573 drives the expansion plate 50 to move up and down for raising and lowering the expansion plate 50. When the second driving unit 573 is connected to the second expansion plate 53 and the third expansion plate 55, the second driving unit 573 is connected to an end of the second expansion plate 53 or the third expansion plate 55.

In a sailing state, the second driving unit 573 drives the retractable plate 50 to move downwards, the bulldozing device 3 is driven by the bulldozing driving unit 35 to move upwards and away from the ground, the first driving unit 571 drives the retractable plate 50 to expand, namely the first retractable plate 51, the second retractable plate 53 and the third retractable plate 55 are expanded under the driving of the multi-stage retractable cylinders, at this time, the bulldozing device 3 is arranged at a distance from the surfboard device 5, and the bulldozing device 3 is locked after being lifted above the surfboard device 5.

In a road driving state, the first driving unit 571 drives the expansion plate 50 to be folded, and the bulldozing device 3 is locked.

In the dozing operation state, the extension plate 50 is driven by the second drive unit 573 to be lowered a certain distance while being spaced apart from the ground and the dozing device 3, and the dozing drive unit 35 drives the dozing arm 31 to move downward, so that the dozing blade 33 is lowered to the lowest position and brought into contact with the ground in the dozing state. Therefore, the expansion plate 50 realizes postures under various working conditions, ensures that the expansion plate is unfolded during navigation, and does not influence the operation of the dozer blade 33 during bulldozing; when the vehicle runs or is transported on a road, the size of the whole vehicle is not over-limited.

Example two

Please refer to fig. 6 to fig. 8, wherein fig. 6 is a schematic structural diagram of an amphibious vehicle in an underwater state according to a second embodiment of the present invention; FIG. 7 is a schematic structural diagram of the amphibious vehicle shown in FIG. 6 in a road driving state; fig. 8 is a schematic structural view of the amphibious vehicle shown in fig. 6 in a dozing state. The difference from the first embodiment is that: the water skiing board device 5 comprises a plurality of folding boards 70 which are rotatably connected, a folding driving unit 75 which is connected with the folding boards 70 and is used for driving the folding boards 70 to move, and a rotating connecting pair 77.

Please refer to fig. 9 and 10 in combination, wherein fig. 9 is a schematic structural view of the skateboard apparatus shown in fig. 6 in an unfolded state; FIG. 10 is a schematic view of the skateboard apparatus shown in FIG. 6 in a collapsed state. A plurality of the folding plates 70 can be folded and overlapped into a whole. Specifically, in the present embodiment, there are two folding plates 70, but in other embodiments, there may be three or more folding plates 70. The two folding plates 70 are respectively a first folding plate 71 and a second folding plate 73, the first folding plate 71 is connected to the vehicle body 11, and the first folding plate 71 and the second folding plate 73 are connected in a rotating manner through the rotating connection pair 77.

The folding driving unit 75 includes a third driving unit 751 and a fourth driving unit 753, wherein one end of the third driving unit 751 is fixed on the first folding plate 71, and the other end of the third driving unit 751 is connected with the rotating connection pair 77 for driving the rotating connection pair 77 to move so as to drive the second folding plate 73 to move, when the third driving unit 751 extends, the rotating connection pair 77 rotates to enable the second folding plate 73 to rotate clockwise, and the second folding plate 73 is folded under the first folding plate 71, and the third folding plate 73 and the first folding plate 71 are overlapped and integrated. When the third driving unit 751 is shortened, the pivotal coupling pair 77 pivots to pivot the second folding plate 73 counterclockwise, and the second folding plate is unfolded to be flush with the first folding plate 71, thereby enlarging the sliding area. At this time, the folding plate 70 is unfolded under the dozer device 3, and the water ski device 5 is structurally fitted to the dozer device 3, thereby improving the structural fitting degree. Specifically, the third driving unit 751 and the fourth driving unit 753 are both piston cylinders.

One end of the fourth driving unit 753 is connected to the vehicle body 11, and the other end is connected to the first folding plate 71 to drive the folding plate 70 to perform lifting movement. The fourth driving unit 753 extends to lower the folding plate 70 downward; the fourth driving unit 753 is shortened and the folding plate 70 is lifted up.

The first folding plate 71, the second folding plate 73 and the third driving unit 751 are respectively connected to both ends of the rotation connection pair 77; the rotation connection pair 77 includes a folding link 771 and a turn link 773 connected, the folding link 771 is simultaneously rotatably connected with the third driving unit 751 and the first folding plate 71, and the third driving unit 751 drives the folding link 771 to rotate. The steering link 773 is rotatably connected to the second folding plate 73.

The section of the folding link 771 is triangular, and three corners of the triangle are respectively rotatably connected to the first folding plate 71, the steering link 773, and the three driving unit 751. Furthermore, it should be noted that, in order to avoid the interference between the first folding plate 71 and the second folding plate 73 when the folding link 771 rotates, a concave arc-shaped surface is provided on the inner side of the folding link 771, which effectively improves the matching degree between components.

In a sailing state, the fourth driving unit 753 drives the folding plate 70 to move downwards, the bulldozing device 3 is driven by the bulldozing driving unit 35 to move upwards to be away from the ground to a preset position and then is locked and fixed, the third driving unit 751 drives the first folding plate 71 and the second folding plate 73 to unfold, at the moment, the bulldozing device 3 and the water skiing plate device 5 are arranged at intervals, and the bulldozing device 3 is located above the folding plate 70.

In the road driving state, the third driving unit 751 drives the folding plate 70 to be folded, and the dozing device 3 is locked.

In the dozing operation state, the folding plate 70 is raised by a predetermined distance by the fourth driving unit 753, but is spaced apart from the ground and the dozing device 3, and the dozing driving unit 35 drives the dozing arm 31 to move downward, so that the dozing blade 33 is lowered to the lowest position and brought into contact with the ground in the dozing state.

Specifically, in the present embodiment, the second folding plate 73 is a whole plate. Preferably, in other embodiments, in order to increase the water skiing area, the second folding plate 73 may be a plurality of telescopic plates which are slidably connected, and each telescopic plate is driven by a multi-stage telescopic cylinder arranged inside the telescopic plate. The structure of the plurality of slidably connected retractable plates is the same as that of the retractable plate in the first embodiment. Thus, the water surface area of the water skiing plate device 5 is conveniently and effectively increased, and the structural flexibility is improved.

EXAMPLE III

Please refer to fig. 11 to 13, wherein fig. 11 is a schematic structural view of a third bulldozer and a retractable plate of an amphibious vehicle in an underwater state according to an embodiment of the present invention; FIG. 12 is a schematic view of the dozing unit and the retractable plate shown in FIG. 11 in a state of being driven on a road; FIG. 13 is a schematic view showing the structure of the dozing device and the expansion plate shown in FIG. 11 in a dozing state. The difference from the first embodiment is that: the multistage retractable plate 50 comprises a first retractable plate 51 and a plurality of second retractable plates 53 which are sequentially sleeved, the plurality of second retractable plates 53 are sequentially sleeved in the first retractable plate 51 and can slide along the first retractable plate 51, and the first retractable plate 51 is arranged on one side of the bulldozing device 3 and is fixedly connected with the bulldozing device 3. The driving unit 57 is disposed in the retractable plate 50 to drive the first retractable plate 51 to move. Specifically, the first expansion plate 51 is provided on one side of the dozer arm 31 and is fixedly connected to the dozer arm 31. The first expansion plate 51 of the water ski device 5 and the dozer arm 31 are integrated, so that the rigidity of the first expansion plate 51 is greatly improved, and the water ski device 5 can lift up and down along with the dozer arm 31, so that the postures of dozing, sailing and walking under different working conditions are realized.

Meanwhile, the second driving unit 573 in the second embodiment is eliminated, and the first expansion plate 51 is directly driven by the dozing driving unit 35 to move up and down. When sailing, the expansion plate 50 is unfolded, and the bulldozing device 3 and the expansion plate 50 are connected into a whole; in a road driving state, the expansion plate 50 is folded; when the bulldozer pushes earth, the retractable plate 50 is folded, the blade 33 sinks to a certain distance and is arranged in a staggered manner with the bulldozer arm 31, and the blade is in contact with the ground so as to push earth.

It should be noted that the plurality of second expansion plates 53 sequentially sleeved in the present embodiment have the same structure as the expansion plate 50 in the first embodiment.

Preferably, in this embodiment, the first expansion plate 51 and the dozer arm 31 are fixed by bolts or by welding.

Example four

Please refer to fig. 14-16, wherein fig. 14 is a schematic structural view of a fourth bulldozer and a folding plate of the amphibious vehicle according to the present invention in an underwater state; FIG. 15 is a schematic view of the dozing unit and folding plate shown in FIG. 14 in a state of being driven along a road; fig. 16 is a schematic structural view of the dozing device and the folding plate shown in fig. 14 in a dozing state. The difference from the second embodiment is that: the first folding plate 71 is provided on one side of the dozing device 3 and is fixedly connected to the dozing device 3. Specifically, the first folding plate 71 is provided on one side of the dozer arm 31 and is fixedly connected to the dozer arm 31. The first folding plate 71 of the water ski device 5 and the dozer device 3 are integrated into a whole, so that the rigidity of the folding plate 70 is greatly improved, and the water ski device 5 can lift up and down along with the dozer arm 31, so that the postures of dozing, sailing and walking under different working conditions are realized.

Meanwhile, the fourth driving unit 753 of the second embodiment is omitted, and the first folding plate 71 is directly driven by the dozing driving unit 35 to ascend and descend vertically. The folding driving unit 75 drives the rotation coupling pair 75 to rotate to drive the second folding plate 73 to rotate for folding. When sailing, the folding plate is unfolded, and the bulldozing device and the folding plate are integrated; under the state of road driving, the folding plates are folded; when dozing, the blade 33 is lowered a distance away from the dozer arm 31, and contacts the ground to doze.

Preferably, in this embodiment, the first folding plate 71 and the dozer arm 31 are fixed by bolts or by welding.

In addition, it is worth proposing that in order to maximize the speed of flight of the ski device 5 in the unfolded state, the telescopic plate 50 or the folding plate 70 of the ski device 5 is disposed at an included angle a with the horizontal plane, specifically, the included angle a is an acute angle, and preferably ranges from 10 ° to 30 °.

Fig. 17 is an enlarged view of a portion C shown in fig. 14. The amphibious vehicle further comprises a front driving device 9 which is rotatably connected with the water slide plate device 5, and the horizontal plane of the front driving device 9 is arranged to form an included angle B. The included angle B is an acute angle, and is preferably within the range of 10-40 degrees. Thus, the resistance of the ship to water during sailing can be reduced, and the sailing speed can be increased better.

The front drive device 9 comprises a front drive plate 91 and an elastic body 93, the front drive plate 91 is rotatably connected to the water skiing plate device 5 and is far away from one end of the vehicle body 1, one end of the elastic body 93 is connected to the water skiing plate device 5, and the other end of the elastic body is connected to the front drive plate 91.

Specifically, in the present embodiment, the elastic body 93 is a spring.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention 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 invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An amphibious vehicle is characterized by comprising a vehicle body, a water skiing plate device and a soil shifting device, wherein the water skiing plate device and the soil shifting device are connected to the vehicle body, the water skiing plate device is arranged at the head of the vehicle body or at the head and the tail of the vehicle body simultaneously and used for increasing the lifting force of the vehicle body in water, and the soil shifting device is arranged at the head of the vehicle body.

2. An amphibious vehicle according to claim 1, where the aquaplane means is deployable or collapsible for extending or shortening its length.

3. An amphibious vehicle according to claim 2, wherein the aquaplane device comprises a plurality of stages of telescopic plates which are sequentially connected in a sliding mode, and a driving unit which is connected with the telescopic plates and used for driving the telescopic plates to move, and the end portions of the telescopic plates are fixedly connected with the vehicle body.

4. The amphibious vehicle according to claim 3, wherein the telescopic plates are of three stages, the three stages of telescopic plates are respectively a first telescopic plate, a second telescopic plate and a third telescopic plate, one end of the first telescopic plate is fixedly connected with the vehicle body, the second telescopic plate is sleeved at the other end of the first telescopic plate and can slide along the first telescopic plate, and the third telescopic plate is sleeved in the second telescopic plate and can slide along the second telescopic plate;

the first driving unit is a multi-stage telescopic oil cylinder.

5. The amphibious vehicle of claim 3, wherein the multiple stages of telescopic plates comprise a first telescopic plate and a plurality of second telescopic plates which are sequentially sleeved, the second telescopic plates are sleeved in the first telescopic plates and can slide along the first telescopic plates, the first telescopic plates are arranged on one side of the bulldozer device and are fixedly connected with the bulldozer device, and the driving unit is arranged in the telescopic plates to drive the second telescopic plates to move.

6. The amphibious vehicle of claim 2, wherein the aquaplane device comprises a plurality of folding plates which are rotatably connected, and a folding driving unit which is connected with the folding plates and is used for driving the folding plates to move, and the folding plates are foldable and overlapped into a whole.

7. The amphibious vehicle of claim 6, wherein the aquaplane device further comprises a revolute joint pair, the revolute joint pair comprises a folding link and a steering link which are rotatably connected, and the folding link and the steering link are respectively rotatably connected with the folding plate.

8. The amphibious vehicle of claim 7, wherein the plurality of folding plates are a first folding plate and a second folding plate, respectively, the first folding plate is connected to the vehicle body, the first folding plate is rotatably connected to the folding link, and the second folding plate is rotatably connected to the steering link;

9. The amphibious vehicle of claim 7, wherein the plurality of folding plates are a first folding plate and a second folding plate, the second folding plate is pivotally connected to the steering link, the first folding plate is pivotally connected to the folding link, the first folding plate is disposed on one side of the dozing device and is fixedly connected to the dozing device, the first folding plate is driven by the dozing device to move, and the folding driving unit has one end fixed to the dozing device and the other end connected to the folding link of the pivotal connection pair.

10. An amphibious vehicle according to any one of claims 1-9, further comprising a forward drive device rotatably connected to said aquaplane device, said forward drive device being disposed at an angle to the horizontal;