CN109130739B

CN109130739B - Land vehicle underwater running method and device thereof

Info

Publication number: CN109130739B
Application number: CN201810955845.4A
Authority: CN
Inventors: 毕得阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-21
Filing date: 2018-08-21
Publication date: 2020-07-21
Anticipated expiration: 2038-08-21
Also published as: CN109130739A

Abstract

The invention provides a method and a device for driving a land vehicle in water, which solve the problem of driving the common land vehicle in water, do not change the use function and the structure of the original vehicle, have low production cost, and can be used as an accessory of the land vehicle, thereby being convenient to disassemble, assemble and use. The method and the device can effectively solve the problem that vehicles on the land on the market can not run in water. The technical scheme of the invention is that the land vehicle is additionally provided with an air bag to increase buoyancy so as to ensure that the vehicle normally runs in water, and the land vehicle comprises a buoyancy air bag, an air bag fixing device, a pipeline connected with the air bag, an air source device, an air pressure detection and control device, a power and power driving device and an auxiliary balance detection and control system.

Description

Land vehicle underwater running method and device thereof

Technical Field

The invention relates to a method and a device for driving a land vehicle in water.

Technical Field

With the popularization of land vehicles, people have higher requirements on the safety, comfort, trafficability and the like of the land vehicles, the land vehicles often encounter the situations of torrential flood, rivers, lakes, water sources and the like under different conditions in the driving process, and under the required situation, the land vehicles need to pass through the water flow or the water source to reach the destination, so that the land vehicles need to drive in water, the driving in water of the land vehicles is greatly different from the driving in normal traffic environment, the land vehicles commonly seen in the market at present comprise cars, trucks, off-road vehicles and the like, the car wading depth is generally 40 cm, the off-road vehicle wading depth is generally 60 cm, the common large trucks are generally 40-80 cm, and no special wading auxiliary device is provided. At present, the land vehicle adopts a plurality of schemes for increasing the chassis height of the vehicle, but the common land vehicle can not be used even accidents of vehicle damage and people death occur when the vehicles meet rivers, lakes and sudden floods and the like. A few special amphibious vehicles need special structures, are complex in manufacturing process and high in production cost, and most importantly limit a plurality of use functions of the vehicles.

The safety is lacked in ordinary land vehicle wading driving, and the aquatic is gone and is unable to guarantee more, however, does not have to go effectual auxiliary device to the aquatic among the normal land vehicle prior art at present, and amphibious vehicle is function integration usually among the vehicle system itself, and the design is complicated, and the cost is expensive, is difficult to popularize or popularize in ordinary land vehicle.

Disclosure of Invention

In view of the above situation, the invention provides a method and a device for driving a land vehicle in water, which solve the problem of driving a common land vehicle in water, do not change the use function and structure of the original vehicle, have low production cost, can be used as an accessory of the land vehicle, and are convenient to disassemble, assemble and use. The method and the device can effectively solve the problem that vehicles on the land on the market can not run in water.

The invention relates to a method for running a land vehicle in water, which is characterized in that an air bag is additionally arranged outside the land vehicle to increase buoyancy to ensure that the vehicle normally runs in water.

In a preferred version of the method, the method includes a buoyant bladder mounted on the vehicle;

a power steering apparatus for powering and steering a vehicle traveling in water.

Preferably, the system also comprises a water bag stabilizing device, when the land vehicle runs in water by means of buoyancy of the air bag and meets large wind waves, the land vehicle is easy to tip over, in order to prevent the tipping, the water bag is arranged at a proper position of the air bag bracket, and when the wind waves are large in the water running process of the vehicle, the detection system automatically starts the water bag to fill water according to a stability index set by the system or manually starts the water bag to forcibly fill water according to a detection result to stabilize the water; this water pocket can also be aerifyd to the water pocket through the three-way valve according to detecting semaphore control system, when prevention vehicle air bag buoyancy is not enough, provides the buoyancy and supplyes, uses as reserve gasbag, promotes the safety guarantee.

Preferably, the support is a detachable support which is detachably mounted on the frame or the vehicle body or a fixed support which is fixedly mounted on the frame or the vehicle body.

Preferably, the power steering system is a detachable power propeller arranged at the tail part of the bracket or an impeller arranged on a driving and steering wheel of the vehicle, and the power propeller is connected to the control system.

Preferably, the vehicle comprises a bracket mounted on a vehicle bottom frame or a vehicle body;

a buoyancy bladder secured to the support;

the air source is connected with the air supply of the buoyancy air bag through the connecting pipe and the control valve;

a power steering device for powering and steering the vehicle;

a power supply for supplying power;

the device also comprises a pressure detection device for detecting the pressure of the buoyancy air bag and a level detection device for detecting the levelness of the automobile;

the control system is connected with the control valve, the air source, the pressure detection device and the balance detection device; an operation panel connected to the control system in a wired or wireless manner;

in the method, according to the pressure detection and balance detection information of the buoyancy airbag, the control valve and the air source are controlled by the control system to inflate the buoyancy airbag, the power steering device provides power and steering for a vehicle, the buoyancy airbag is inflated under the control of the gas pressure detection and control system before the vehicle enters water, the levelness of the vehicle is detected by the level detection device after the vehicle enters the water and is floated by the buoyancy airbag, the level detection device transmits the vehicle level information to the control system, the buoyancy airbags on the left side and the right side are respectively connected to the air source through the control valve, the control system controls the air source and the control valve to supplement inflation for the buoyancy airbag needing inflation through signals transmitted by the balance detection device and the pressure detection device until the value of the level detection device reaches a preset value, and the system automatically or manually closes the control valve and the air source after the value reaches the preset value, in order to prevent instability caused by bumping in the water running process of the vehicle, the level detection device performs level control and adjustment stability according to a set value in the water running process of the vehicle, the pressure detection device can detect the air pressure in the buoyancy air bag and transmit the air pressure to the control system in real time, and the control system monitors and controls the air pressure.

Preferably, the airbags are respectively arranged on the brackets on the left side and the right side of the vehicle, the airbags are double-layer structure airbags or combined airbags, and after the level detection device detects that the vehicle is unbalanced, the control system can control the air pump and the control valve to selectively supplement and inflate the airbags on the left side and the right side of the vehicle so as to ensure that the vehicle is balanced front, back, left and right.

Preferably, the device for the ground vehicle underwater running method comprises a detachable or fixed bracket arranged on a vehicle bottom frame or a vehicle body;

an air bag fixed on the bracket;

the air source is connected with the air supply of the air bag through a connecting pipe and a control valve;

the detachable power propeller is arranged at the tail part of the bracket or the impeller is arranged on a vehicle driving and steering wheel;

independently configuring or borrowing a power supply in the vehicle;

the pressure detection device is used for detecting the pressure of the air bag, and the level detection device is used for detecting the levelness of the automobile;

the control system is connected with the control valve, the air source, the power propeller, the pressure detection device and the balance detection device; and an operation panel connected to the control system in a wired or wireless manner.

Preferably, the bracket is a fixed bracket and wraps a bottom plate fixed at the bottom of a vehicle, the bottom plate is fixedly provided with a cylinder transversely arranged, the piston rods of the two cylinders face opposite directions, the free end of the piston rod of the cylinder is fixedly provided with a push rod transversely connected to the bottom plate in a sliding manner, the outer end of the push rod is connected with a support rod, the front end and the rear end of the support rod are respectively provided with a sliding chute axially extending, a movable rod is axially and slidably connected in the sliding chute, the movable rod is provided with a spring plunger, the bracket is provided with two positioning holes matched with the spring plunger and communicated in the sliding chute, the upper side surface of the movable rod is provided with an air bag chamber arranged outside the spring plunger, the upper side surface of the bracket is provided with two air bag chambers axially arranged at intervals, the air bag chambers are both connected with air bags, the air cylinder and the air bag are connected to the air source equipment through air pipes, and the air source equipment and the power device are connected to the control system.

Preferably, the support is detachable and comprises two cross arms arranged in parallel with the vehicle body, each cross arm is composed of four connecting rods which are sequentially butted from front to back, the two butted connecting rods are rotatably connected through hinges, two adjacent hinges are respectively arranged on two opposite sides of the cross arm, a placing groove is formed in the butt end portion of one connecting rod of the two butted connecting rods, a push plate is connected to the inside of the placing groove through a spring arranged at the bottom of the groove, a lock column is fixed on the outer side of the push plate, a lock hole matched with the lock column is formed in the butt end portion of the other connecting rod, a long strip-shaped handle hole which is communicated with the placing groove and extends along the length direction of the connecting rod is formed in the side surface of the connecting rod on one side of the placing groove, a handle extending out of the connecting rod through the handle hole is fixed on the push plate, connecting rods are respectively connected to the side surfaces, facing the vehicle, of the two connecting rods, the side is through the fixed gasbag of safety belt on the connecting rod, installs on the vehicle back, the dismantled power device that its afterbody of connecting rod at rear portion was equipped with in arranging, power device drive screw still includes control system, air supply equipment and power, the gasbag is connected on air supply equipment through the trachea, air supply equipment and power device connect on control system, and the vehicle wherein installs the buckle on the connecting rod face of one side towards the side of vehicle, installs the safety belt buckle on the connecting rod face of vehicle opposite side towards the side of vehicle, still includes safety fixing band or connecting rod, the one end of safety fixing band or connecting rod be connected with buckle complex connector link, the cooperation of safety fixing band or connecting rod other end is buckled on the safety fixing band.

The invention has the following effects: a land vehicle underwater driving method provides a solution for land vehicle wading, wading buoyancy is provided through an air bag, and running power and steering of the vehicle are controlled by controlling the rotating speed difference of two propellers through two power devices. A fixed land vehicle underwater running device provides buoyancy for a vehicle and keeps balance of a vehicle body through an air bag and a bottom plate combination, provides underwater running power and steering through a tail propeller, provides buoyancy for the vehicle through the air bag, transmits the gravity of the vehicle to the air bag through a safety fixing belt or a connecting rod to keep balance of the vehicle body, provides wading power and steering through the tail propeller, greatly improves wading depth and safety performance of the vehicle, is simple in structure and convenient to disassemble, assemble and carry, and can be applied to most vehicles in the current market.

Drawings

FIG. 1 is a schematic structural view of a stationary vehicle wading auxiliary device of the present invention.

FIG. 2 is a schematic structural diagram of the fixed vehicle wading auxiliary device with an upper bottom plate and a lower bottom plate.

FIG. 3 is a schematic view of the cylinder structure of the fixed auxiliary device for vehicle wading.

FIG. 4 is a schematic view of the bracket structure of the fixed vehicle wading auxiliary device.

FIG. 5 is a schematic view of the movable rod of the auxiliary device for vehicle wading.

Fig. 6 is a schematic structural view of the portable vehicle wading auxiliary device.

FIG. 7 is a schematic view of a link structure of a portable vehicle wading assisting device with a lock cylinder part.

Fig. 8 is a structural view of the chucking device.

Fig. 9 is a schematic structural view between the lock cylinder and the pressure spring.

Fig. 10 is a schematic structural view of a motor and propeller combination of the present invention.

FIG. 11 is a schematic view showing a part of a link of the portable vehicle wading assist device having a latch hole and a tension buckle.

FIG. 12 is a schematic view of a link portion of the portable vehicle wading assist device with a lock cylinder hole and a suspension ring.

Figure 13 is a block diagram of an airbag chamber plus a swivel plate in accordance with the present invention.

Fig. 14 is a schematic structural diagram of another embodiment of the portable vehicle wading auxiliary device of the invention.

FIG. 15 is a schematic structural diagram of another embodiment of the fixed vehicle wading assisting device of the invention.

FIG. 16 is a perspective view of the power plate and impeller connection of the present invention.

Fig. 17 is a structural view of the rotary connection between the fixed bracket and the movable rod.

FIG. 18 is a perspective view of a power plate and impeller connection in accordance with yet another embodiment of the present invention.

Fig. 19 is a perspective view of the fastening device of fig. 18.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Embodiment 1, a method for driving a land vehicle in water, the land vehicle additionally having a buoyancy airbag to increase buoyancy to ensure normal driving of the vehicle in water, comprising a buoyancy airbag, a device for fixing the buoyancy airbag, a pipeline connected to the buoyancy airbag, an air source device, an air pressure detection and control device, a power and power driving device, and an auxiliary balance detection and control system.

In a preferred embodiment of the method, the support is a detachable or fixed support mounted on the vehicle bottom frame or body; a collapsible buoyancy bladder secured to the support; the air source equipment supplies air to the buoyancy air bag through the connecting pipe and the control valve; a detachable power propeller or an auxiliary driving impeller arranged at the tail part of the bracket provides a power system for the vehicle to run in water; the electric energy is provided by independently configuring or using a power supply in the vehicle; the pressure detection device is used for detecting the pressure of the buoyancy air bag, and the level detection device is used for detecting the levelness of the vehicle; the control system is connected with the control valve, the air source, the power propeller, the pressure detection device and the balance detection device; and the control system is connected to the control system in a wired or wireless mode or shares the original visual or control system of the vehicle.

In the method, according to the pressure detection and balance detection information of the buoyancy airbag, the control valve and the air source are controlled by the control system to inflate the buoyancy airbag, the power and steering of the power driving device are controlled by the control system, the buoyancy airbag is inflated under the control of the air pressure detection and control system before a vehicle enters water, the levelness of the vehicle is detected by the level detection device after the vehicle enters the water and is floated by the buoyancy airbag, the level detection device transmits the level information of the vehicle to the control system, the buoyancy airbags on the left side and the right side are respectively connected to the air source through the control valve, the control system controls the air source and the control valve to supplement inflation for the buoyancy airbag needing inflation through signals transmitted by the balance detection device and the pressure detection device until the value of the level detection device reaches a preset value, and the system automatically or manually closes the control valve and the air source after the value reaches the preset, in order to prevent instability caused by bumping in the water running process of the vehicle, the level detection device performs level control and adjustment stability according to a set value in the water running process of the vehicle, the pressure detection device can detect the air pressure in the buoyancy air bag and transmit the air pressure to the control system in real time, and the control system monitors and controls the air pressure.

The method is a preferable scheme, in the scheme, not only according to air pressure detection and balance detection information, the control valve and the air source are controlled by the control system to inflate the buoyancy air bags, the control system controls the power propeller to provide power in water for the vehicle and steering or assists the driving impeller to provide power and steering, the air pressure detection and control system controls the inflation of the buoyancy air bags before the vehicle enters the water, after the vehicle floats up through the buoyancy air bags after entering the water, the levelness of the vehicle is detected by the level detection device, the level detection device transmits the vehicle level information to the control system, the buoyancy air bags on the left side and the right side are respectively connected to the air source through the control valve, the control system controls the air source and the control valve to supplement the buoyancy air bags needing inflation through signals transmitted by the balance detection device and the pressure detection device, until the value of the level detection device reaches a preset value, the system automatically or manually closes the control valve and the air source after the value reaches the preset value, in order to prevent instability caused by bumping in the water running process of the vehicle, the level detection device performs level control and adjustment according to the set value during the wading running of the vehicle, the pressure detection device can detect the air pressure in the buoyancy air bag and transmits the air pressure to the control system in real time, and the control system performs monitoring control on the air pressure. Still increased water pocket stabilising arrangement, when land vehicle relies on buoyancy gasbag buoyancy to travel in aqueous, when meetting the stormy waves great, tumbles easily, in order to prevent tumbling, the water pocket is installed to buoyancy gasbag support's suitable position, and the water pocket dress is in the lower part of support, and the water pocket has two pipelines, and the water route of a gas circuit is equipped with water pressure detection device in the water route, can real-time detection water pressure, water pocket water piping connection a water pump. When the wind waves are large in the water running process of the vehicle, the detection system automatically starts the water bag to fill water according to the stability index set by the system or manually starts the water bag to forcibly fill water stably according to the detection result; this water pocket can also be aerifyd to the water pocket through the three-way valve according to detecting semaphore control system, when prevention vehicle buoyancy gasbag buoyancy is not enough, provides the buoyancy and supplyes, uses as reserve buoyancy gasbag, and the vehicle is stabilized in buoyancy gasbag, water pocket conversion control, and automatic or manual start guarantees that the buoyancy gasbag fills water and increases the anti stability of jolting of vehicle, and all detections, operations can be operated by independent display screen or vehicle display screen video monitoring. The display and early warning system can timely and correctly feed back the signals of the air pressure, balance and stabilization system to the display screen, so that an operator can see the signals at a glance, and the manual and automatic dual operation modes can ensure that the system is safer and more reliable.

Buoyancy air bags 2 are connected to the left side and the right side of a vehicle through brackets 1, the buoyancy air bags 2 on the left side and the right side of the vehicle are inflated to open the buoyancy air bags 2, buoyancy of the vehicle in water is provided by the buoyancy air bags 2, running power in water is provided for the vehicle by driving propellers 4 through motors 3 which are arranged at the tail parts of the left side and the right side of the vehicle and are installed on the brackets 1, and steering of the vehicle is controlled by adjusting the rotating speed difference of the propellers 4 on the left side and the right side. In the embodiment, before the vehicle wades, the buoyancy airbag 2 is inflated by a portable air pump, the portable air pump can be placed in the trunk or at a proper position on the vehicle, the power supply of the air pump can be provided by an external power supply (such as a storage battery) placed in the trunk or at a proper position on the vehicle, or a proper power supply interface of the vehicle can be used for providing the power supply, the lowest height of the buoyancy airbag 2 is higher than the lowest point of the wheels, the vehicle starts after the buoyancy airbag 2 is inflated, the vehicle floats under the buoyancy of the buoyancy airbag after entering the water, then the vehicle can be turned off, and the external power supply or the original vehicle-mounted power supply is used for supplying power to drive the propeller to rotate, so that the vehicle advances or turns.

After the vehicle enters the water and floats through the buoyancy air bag 2, the levelness of the vehicle is detected by opening the level detection device, the level detection device can be a level detector or a level detection sensor, the level detection device transmits vehicle level information to the control system, the buoyancy air bags 2 on the left side and the right side are connected to the air pump through the control valves respectively, the control system controls the air pump and the control valves to select to supplement and inflate the buoyancy air bags on the downward inclined side through signals transmitted by the level detection device until the numerical value of the level detection device reaches a required value, the air pump is closed after the required value is reached, balance is maintained, the buoyancy air bag vent pipe is provided with a pressure detection device (which can be a pressure sensor), the pressure detection device can detect air pressure in the buoyancy air bags, the air pressure can be transmitted to the control system in real time, and the control system monitors the air pressure. In this embodiment, the control system may be wired or wireless for transmission and control, and the system detects and controls the motor, the inflator pump, the control valve, and the level detection and control device. After the vehicle floats in water, the system can automatically start the level detection device to detect the levelness of the vehicle, and then the control system controls the air pump and the control valve to inflate the buoyancy air bags inclined downwards, so that the inflation pump and the control valve are closed after the vehicle is kept horizontal. Then the engine of the vehicle is turned off, and the control motor 3 drives the propeller 4 to push the vehicle to run in the water. The pressure sensor is used for monitoring the air pressure of the buoyancy air bag in real time, and when the air pressure value is abnormal, the audible and visual alarm of the detection control system is used for alarming. The vehicle-mounted display screen is characterized by further comprising a display screen, wherein the display screen is an independent display screen connected to the control system or the control system is connected to a vehicle-mounted display or control screen.

When the device is arranged on a common land vehicle, the vehicles with lower chassis can be used more conveniently in a detachable mode, the vehicles with higher chassis can be fixed or detachable, and other vehicles such as a truck, a passenger car and the like can be fixed if the chassis is higher. The device is characterized in that the device is a fixed type pipeline and a line which are preset to be moved well in advance, and the device is detachable, if the device is arranged on a common vehicle, a gas pump, a standby power supply and the like can be placed in a trunk or at a proper position, the line and the pipeline can be connected in a quick joint and wireless connection mode, and are led out of the vehicle through a reserved hole of the trunk or a door edge, so that the device can be connected to a buoyancy airbag, a control valve, a motor of a hydraulic propeller and the like. For large vehicles such as trucks or buses, the trucks can be placed in the hoppers of the trucks, and standby power supplies, air pumps and the like of the buses can be placed at proper positions of the tail parts in the carriages of the buses or in the space behind drivers. The control valve and the air pump can be manually controlled, and the control valve can be a hand-screwed stop valve.

Embodiment 2, on the basis of embodiment 1, the buoyancy airbag 2 is respectively provided with a plurality of buoyancy airbags or multi-combination buoyancy airbags with symmetrical number and type on the left side and the right side of the vehicle, the buoyancy airbags are arranged along the length direction of the vehicle, and after the level detection device detects that the vehicle is unbalanced, the control system can control the air pump and the control valve to selectively supplement and inflate the symmetrical buoyancy airbags so as to ensure that the vehicle is balanced all around. The buoyancy air bags with the number and the types symmetrical are arranged on the left side and the right side of the vehicle and are uniformly arranged along the length direction of the vehicle body, so that the left levelness and the right levelness of the vehicle can be adjusted, and the front levelness and the rear levelness of the vehicle can also be adjusted when the levelness is adjusted.

Embodiment 3, a fixed land vehicle underwater driving device for a vehicle underwater driving method, comprising a bottom plate 5 fixed at the bottom of a vehicle, a cylinder 6 transversely disposed on the bottom plate 5, the piston rods of the two cylinders 6 facing opposite directions, a push rod 7 transversely slidably connected to the bottom plate 5 fixed at the free end of the piston rod of the cylinder 6, a bracket 1 connected to the outer end of the push rod 7, axially extending chutes 9 respectively disposed at the front and rear ends of the bracket 1, a movable rod 10 axially slidably connected to the chute 9, a spring plunger 11 mounted on the movable rod 10, two positioning holes 8 (two positioning holes, one positioning to retract the movable rod into the chute, and one positioning to extend the movable rod out of the chute) communicating with the spring plunger 11 on the bracket 1, and a buoyancy airbag chamber 12 disposed outside the spring plunger 11 (or a buoyancy airbag chamber) disposed on the side of the movable rod 10 facing away from the cylinder 6 Dress is on the movable rod side), and it has two axial interval arrangement's buoyancy gasbag room 12 (perhaps adorn buoyancy gasbag room on the support side) to open on the side of support 1 cylinder 6 dorsad, all is connected with buoyancy gasbag 2 in the buoyancy gasbag room 12, and the afterbody of the movable rod 10 of arranging the rear portion in has built-in motor 3, the output shaft of motor 3 stretches out movable rod 10 and can dismantle and be equipped with screw 4, still includes control system, air pump and power, cylinder 6 and buoyancy gasbag 2 all connect on the air pump through the trachea, and air pump and motor are connected on control system. The buoyant balloon chambers 12 on the stent 1 extend out of the stent 1 in a direction away from the vehicle so as not to interfere with the expansion and contraction of the movable rod 10 within the stent 1. When the lifting jack is used, the bottom plate 5 can be composed of an upper bottom plate and a lower bottom plate, the two bottom plates are connected through the stand column at intervals, the air cylinder 6 is arranged between the two bottom plates, the bottom plate 5 can be fixed on the edge of the skirt of the automobile chassis with the groove, and the jack clamping groove is arranged on most automobiles. In this embodiment, the water bag is installed at the lower portion of the bracket, and the water bag is not installed at the lower portion of the movable rod. The air pipe in the embodiment is a hose, the hose is fixed on a chassis of the vehicle, the other end of the hose is led into the trunk, if the air pipe is a truck, the air pump is placed in a hopper of the truck, and if the air pipe is a passenger car, a shell is arranged at the rear part in the passenger car, and the air pump is placed in the shell. Before the vehicle wades, the air cylinder 6 is opened through the control system, the bracket 1 is pushed out of the vehicle body through the air cylinder 6, then the spring plunger 11 on the bracket 1 is pressed down, the movable rod 10 is pulled outwards, and the movable rod 10 is pulled out until the spring plunger 11 is popped out from the other positioning hole 8. Then the air pump and the control valve are opened to inflate the buoyancy air bag 2, the air pressure sensor and the balance detection sensor detect the air pressure of the buoyancy air bag and the balance state of the vehicle in the inflation process, when the pressure and the balance index reach required values, the inflation of the buoyancy air bag is stopped, then the motor is opened to drive the propeller to drive the vehicle to advance, and the steering of the vehicle is adjusted by controlling the rotating speed of the left propeller and the right propeller. When the buoyancy air bag is not used, the buoyancy air bag is folded manually and is placed into the buoyancy air bag chamber.

The device comprises a level detection device (which can be a level sensor) arranged on a vehicle and connected to a control system, and a control valve and an air pressure sensor which are connected to the control system are arranged on an air pipe.

In the device, the embodiment of still another alternative embodiment 3 includes a bottom plate 5 fixed at the bottom of the vehicle, a transversely disposed cylinder 6 is fixed on the bottom plate 5, the piston rods of the two cylinders 6 are opposite in direction, a push rod 7 transversely slidably connected to the bottom plate 5 is fixed at the free end of the piston rod of the cylinder 6, a support 1 is connected to the outer end of the push rod 7, axially extending chutes 9 are respectively arranged at the front end and the rear end of the support 1, a movable rod 10 is axially slidably connected to the chutes 9, a buoyancy airbag chamber 12 is arranged on the upper side surface of the movable rod 10, two buoyancy airbag chambers 12 axially spaced are arranged on the upper side surface of the support 1, buoyancy airbags 2 are connected to the buoyancy airbag chambers 12, a motor 3 is arranged in the tail of the movable rod 10 arranged at the rear portion, an output shaft of the motor 3 extends out of the movable rod 10 and is detachably provided, Air pump and power, cylinder 6 and buoyancy gasbag 2 all connect on the air pump through the trachea, and air pump and motor connection are on control system, movable rod female connection has the screw rod, the screw rod is connected with the driving motor who fixes in the spout, and driving motor connects on control system. When the movable rod is used, when the movable rod needs to be pushed out, only the driving motor on the connecting screw rod needs to be opened, the embodiment is full-automatic, and the movable rod can automatically stretch out and draw back from the support. When the buoyancy air bag is not used, the buoyancy air bag is folded manually and is placed into the buoyancy air bag chamber.

In a further embodiment of the stationary gantry, the movable rods 10 in the above-described embodiment are pulled out from both sides of the gantry 1, in this embodiment, however, as reference numeral 1 in fig. 17 replaces reference numeral 1 in fig. 1, the movable rod 10 is folded and connected to both sides of the support frame 1, and the movable rod is folded towards the direction far away from the vehicle, namely the side of the movable rod far away from the vehicle is hinged with the side of the bracket far away from the vehicle, then, the butt joint end parts at the two ends of the bracket are provided with placing grooves, the placing grooves are internally connected with a push plate 17 through a spring 16 arranged at the bottom of the groove, a lock column 18 is fixed on the outer side of the push plate 17, a lock hole 19 matched with the lock column 18 is formed in the butt joint end of the movable rod, a long strip-shaped handle hole 20 communicated with the placing groove and extending along the length direction of the support is formed in the side face of the support on one side of the placing groove, and a handle 21 extending out of the support through the handle hole 20 is fixed on the push plate 17. In the embodiment, the buoyancy air bags are fixed on the upper end surface of the bracket or the movable rod through the safety belts (in the embodiment, the bracket and the movable rod are not provided with the buoyancy air bag chambers), and then the uninflated buoyancy air bags are fixed on the bracket or the movable rod through the binding belts. The side surfaces, far away from the vehicle, of the support and the movable rod are respectively provided with the magnet pieces 41 which are matched with each other, when the movable rod is folded on the support, the two magnet pieces are mutually attracted, the movable rod is positioned on the support, the support automatically extends out from the bottom of the vehicle, the movable rod is manually folded after the support extends out, and the movable rod is manually folded or opened. When the air inflation is needed, the binding belt is loosened manually so as to release the buoyancy air bag.

Wherein, the buoyancy air bag chamber on the connecting rod is removed, the buoyancy air bag is connected with the upper side surface of the connecting rod through a safety belt, and then the buoyancy air bag is folded by a binding belt and is bound on the upper end surface of the connecting rod. When the buoyancy air bag is inflated, the ribbon is untied, and when the buoyancy air bag is deflated, the buoyancy air bag is folded and placed on the upper end face of the connecting rod, and then the ribbon is positioned on the connecting rod.

In yet another embodiment, the fixed bracket and the movable bar of fig. 1 are not changed, and the structure shown in fig. 17 is additionally added as the secondary support device of fig. 1, so that the number of air bags and the stability of the air bags are increased. The main and auxiliary brackets are fixed together through a plurality of connecting pieces.

Embodiment 4, a portable land vehicle underwater driving device for a vehicle underwater driving method, comprising two lateral arms 13 disposed in parallel with a vehicle body, the two lateral arms 13 respectively comprise four connecting rods 14 butted in sequence from front to back, the two butted connecting rods 14 are rotatably connected via hinges 15, two adjacent hinges 15 are respectively disposed on opposite sides of the lateral arms 13, a placing groove is opened at a butted end of one of the two butted connecting rods 14, a push plate 17 is connected to the inside of the placing groove via a spring 16 mounted at a groove bottom, a lock post 18 is fixed at an outer side of the push plate 17, a lock hole 19 matched with the lock post 18 is opened at a butted end of the other connecting rod 14, a long strip-shaped handle hole 20 extending along a length direction of the connecting rod 14 and communicating with the placing groove is opened at a side of the connecting rod 14 at one side of the placing groove, a handle 21 extending out of the connecting rod 14 via the handle hole 20 is fixed on the push plate 17, the side surfaces, facing the vehicle, of the two connecting rods 14 arranged in the middle are respectively connected with connecting rods 22, the free ends of the connecting rods 22 are fixedly provided with clamping devices 23 capable of being clamped on vehicle chassis edge pieces, the buoyancy air bags are connected to the upper side surfaces of the connecting rods through safety fixing belts, then the buoyancy air bags are folded by using binding belts and then bound to the upper end surfaces of the connecting rods, a motor 3 is arranged in the tail part of the connecting rod 14 arranged at the rear part, an output shaft of the motor 3 extends out of the connecting rod 14 and is detachably provided with a propeller 4, the buoyancy air bags 2 are connected to the air pump through air pipes, the air pump and the motor are connected to a control system, the side surface, facing the vehicle, of the connecting rod 14 at one side of the vehicle is provided with a buckle 24, the side surface, facing the vehicle, of the connecting rod 14 at the other side of the vehicle is provided with a safety fixing belt, the other end of the safety fixing belt is matched with a safety fixing belt buckle 25. A rotating plate 26 which can cover the opening of the buoyancy airbag chamber 12 is rotatably connected on the lower side surface of the buoyancy airbag chamber 12, the rotating plate 26 is connected with the buoyancy airbag chamber 12 through a rotating shaft 27, a torsion spring is arranged between the rotating shaft 27 and the buoyancy airbag chamber 12, the torsion of the torsion spring causes the flap to close over the buoyant bladder chamber 12, in which an arcuate tab 28 may be provided that keeps the free end of the flap 26 from continuing to rotate toward the buoyant bladder chamber 12, when the buoyancy airbag 2 is not inflated, the buoyancy airbag 2 is folded in the buoyancy airbag chamber 12, after the buoyancy airbag 2 is inflated, the buoyancy airbag 2 pushes the rotating plate 26 to rotate and extend out of the buoyancy airbag chamber 12, a limiting block 40 can be fixed on the connecting rod 14 at the lower side of the rotating plate 26, and the rotating plate 26 is limited to rotate to a position perpendicular to the connecting rod 14, so that the connecting rod 14 blocks the buoyancy airbag 2 to force the buoyancy airbag to expand upwards. In this embodiment, the water bladder is mounted on the underside of the connecting rod. In this embodiment, four links 14 form a cross arm 13, hinges 15 between the links 14 are respectively disposed on the left and right sides of the links 14, a connecting rod 22 is fixed on the lower sides of the middle two links 14, the four links 14 can be folded together by the hinges 15, when it is needed to use, the links 14 are broken, when two adjacent links 14 need to be butted together, first, the end of one of the links 14 presses the lock post 18 inwards until the two end faces are completely butted together, at this time, the lock post 18 springs into the lock hole 19 under the action of the spring 16 to lock the two links 14 in the axial state, when it is needed to fold the links 14, the handle 21 is moved along the handle hole 20 to pull the lock post 18 out of the lock hole 19, that is, so that the two links 14 can be folded. After the connecting rod 14 is completely unfolded, the device is clamped and fixed on a grooved edge of the skirt edge of the automobile chassis through a clamping device 23 at the free end part of the connecting rod 22, and a jack clamping groove is arranged on most automobiles, so that the device is convenient to assemble, disassemble and position. The connecting rod 22 may also be a telescopic rod capable of being positioned in real time, the telescopic rod can be positioned on the current length in real time, and may be composed of a sleeve with a plurality of through holes and a moving rod slidably connected in the sleeve, and the moving rod is provided with a spring plunger matched with the through holes. After the device is fixed, one end of the safety belt 26 or the connecting rod is connected to the buckle 24 through the connecting buckle, and the other end is fixed through the safety belt buckle 25, the safety belt buckle 25 can use a belt buckle in life, and the length of the safety belt 26 between the safety belt buckle 25 and the buckle 24 can be adjusted. The securing harness 26 is a non-stretch harness. The fixed belts 26 are two between the front and rear wheels, one at the front and rear of the front wheels, so that the vehicle is evenly stressed. And then inflating the buoyancy air bag. During wading, the vehicle transfers gravity to the fixed belt 26, which transfers force to the buoyant bladder 2, so that the vehicle body is stabilized during wading. The installation process is quick and simple.

The device comprises a horizontal detection device which is arranged on a vehicle and connected to a control system, wherein a control valve and an air pressure sensor which are connected to the control system are arranged on an air pipe.

Embodiment 5, on the basis of any of embodiments 1 to 4, a water bag may be disposed at the lower portion of the bracket, specifically, a cavity is disposed at the lower portion of the bracket, a switch door is mounted on an opening at the lower portion of the cavity, a torsion spring for keeping the switch door in a closed state is mounted on a rotating shaft of the switch door, a hole for communicating the switch door with the cavity is disposed on the bracket, a hose passes through the hole and communicates with the water bag, a portable water pump is disposed on the vehicle, the water pump is connected to the water bag through the hose, a control valve (which may be an electromagnetic valve) is mounted on the hose corresponding to each water bag, and the control valve and the water. The water pump is connected with a water inlet pipe, and the inlet tube is arranged in the vehicle outside and is arranged in the aquatic after the vehicle wades, and after the vehicle lane aquatic, if the vehicle slope is comparatively serious, then water injection in the water pocket of one side of tilt up, the gravity of water makes the holding balance of vehicle both sides.

The water bag installation in this embodiment also can be replaced by following technical scheme, be connected with airtight water bag at the support lower part through the safety belt, the water bag is pressed in the support lower part through the elastic bandage that both ends were fixed on the support, place portable water pump on the vehicle, the water pump is through hose connection on the water bag, install three solenoid valve on the hose that every water bag corresponds, a inlet tube is connected to the water pump, the inlet tube is arranged in the vehicle outside and is arranged in the aquatic when the vehicle wades in the back intake tube tip, air pump and water pump are connected to respectively on two imports of three solenoid valve, still including the atmospheric pressure detection device that detects water bag atmospheric pressure and the water pressure detection device that detects water bag water pressure, the water pump, the third solenoid valve, atmospheric pressure detection device and water pressure detection device. When the water sac is inflated, the elastic bandage presses the folded state of the elastic bandage on the support, so that the elastic bandage is stretched along with the water sac, and when the water sac discharges water, the water sac which is not filled with water is tied on the support again under the action of the elastic bandage.

The water pressure detection device detects the water pressure of the water bags on the two sides of the vehicle in the water filling process, meanwhile, the level detection device detects the levelness of the vehicle in real time, and after the water pressure in the water bags reaches a set value, the water pump and the three-way electromagnetic valve are closed. The three-way electromagnetic valve can have three stations, and one water path is communicated with one air path and is communicated with one stopping position. When the water sac is under the water surface, the water in the water sac has the same water density with the outside, so the water sac does not work, when the vehicle violently jolts under the action of strong wind or big waves, the water sac can play a role of falling, because when part of the water sac is jolted and separated from the water surface, the gravity of the water sac can be displayed, and the water sac is prevented from being separated from the water surface by falling, so that one side of the vehicle is prevented from being separated from the water surface, and the vehicle is prevented from rolling over. This water pocket is airtight water pocket, when buoyancy gasbag damaged, also can use the water pocket of this buoyancy gasbag one side as buoyancy gasbag, and the water pocket is connected on the air pump through the trachea, when needs aerify for the water pocket, control three way solenoid valve and air pump aerify for this water pocket can, carry out real-time detection at the atmospheric pressure detection device of gas filled in to the water pocket.

In embodiment 6, based on embodiment 4, the fastening device 23 includes a U-shaped latch 29 fixed on the connecting rod 22 and having an upward opening, a pull rod 30 extending through a cantilever of the U-shaped latch 29 and facing the cross arm 13 is slidably connected to the cantilever, a clamp plate 31 is fixed to an end of the pull rod 30 disposed in the U-shaped latch 29, a compression spring 32 sleeved on the pull rod 30 is connected between the clamp plate 31 and the cantilever of the U-shaped latch 29, a torsion shaft 33 perpendicular to the end of the pull rod 30 disposed outside the U-shaped latch 29 is fixed to the end of the pull rod 30, two cams 34 are rotatably connected to two ends of the torsion shaft 33, and a wrench 35 is fixed to an outer end surface of the cam 34. This card solid device 23 is at the in-process that uses, with vehicle chassis skirt side fluted arris piece card to between 29 cantilevers of the U-shaped fixture block and the splint 31 of pressure spring top, then twist two cams 34 through spanner 35 and rotate for splint 31 moves towards the arris piece, finally blocks the arris piece between 29 cantilevers of U-shaped card and splint 31, carries out the auto-lock through cam 34, makes the card solid convenient and fast.

In embodiment 7, based on embodiment 4, an axial key 36 is fixed on the outer circumferential surface of the output shaft of the motor 3, the propeller 4 is composed of an intermediate cylinder 37 and a plurality of impellers 38 uniformly distributed on the intermediate cylinder 37, the intermediate cylinder 37 is made of elastic rubber, and the intermediate cylinder 37 is provided with a key groove 39 which is matched with the key 36. The inner diameter of the middle cylinder 37 is increased when the middle cylinder is sleeved, the middle cylinder tightly holds the output shaft of the motor 3 after being sleeved, and the torque is effectively transmitted through the matching of the key 36 and the key groove 39. The connecting rod 14 rear end of afterbody is opened there is the motor groove, and servo motor fixes at the motor inslot, and sealing connection has the closing cap on the motor groove opening, and it has the hole of passing to open on the closing cap, servo motor's output shaft stretches out through sealed bearing and passes the hole.

Embodiment 8, based on any of embodiments 1 to 7, the buoyancy bladder is a double-layer buoyancy bladder or a combined buoyancy bladder. The double-layer buoyancy air bag ensures the safety of vehicle running. First buoyancy gasbag chamber and second buoyancy gasbag intracavity fixed mounting have folding buoyancy gasbag, buoyancy gasbag inflation inlet establishes on buoyancy gasbag cavity inner wall and its gas tube way sets up in the inflation inlet of cavity inner wall, the structure is convenient for not receive gas tube way's influence at the support in-process at the telescopic link is flexible like this.

Embodiment 9, on the basis of any of embodiments 1 to 8, as shown in fig. 16, further includes a drive plate 34, a plurality of impellers 35 perpendicular to the drive plate 34 are uniformly distributed on the circumference of the drive plate 34, an arc-shaped through hole 36 is formed in the drive plate 34 between two adjacent impellers 35, and a fastening device capable of fastening the drive plate 34 on a vehicle hub is slidably connected in the arc-shaped through hole 36. The fastening device comprises a sliding rod 37 connected in an arc-shaped through hole 36 in a sliding mode, a limiting piece 38 with the sectional area larger than the width of the arc-shaped through hole 36 is fixed at the upper end of the sliding rod 37, a U-shaped clamping plate 39 capable of being clamped on a spoke of a hub is connected at the lower end of the sliding rod 37, and a fastening bolt 40 is screwed on one cantilever of the U-shaped clamping plate 39. The driving plate and the driving impeller are combined to replace a power propeller driven by a motor, the device is limited to front-drive or four-drive vehicles, the front wheels of the vehicles need to be driving wheels and steering wheels, the driving plates are fixed on the two front wheels on the left side and the right side of the vehicles, after the device is installed, the outer edges of the impellers do not exceed the outer edges of tires, in the process of wading the vehicles, a vehicle driving system is opened, the front driving wheels of the vehicles are utilized to rotate, in the rotating process of the front wheels of the vehicles, the impellers are driven to rotate to do a paddling action, power is provided for the advancing of the vehicles, when the vehicles need to turn in water, only a steering wheel needs to be rotated, and the front wheels drive the paddling wheels to change the paddling direction so that the steering of the vehicles.

As shown in fig. 18 and 19, another embodiment of the fastening device includes a sliding rod 37 slidably connected in the arc-shaped through hole 36, a limiting plate 38 with a cross-sectional area larger than the width of the arc-shaped through hole 36 is fixed at the upper end of the sliding rod 37, a fastening plate 42 is connected to the lower end of the sliding rod 37, a through hole is formed in the fastening plate 42, a fastening rod 43 capable of moving relative to the through hole is inserted in the through hole, a cam handle 44 is rotatably connected to the upper end of the fastening rod 43, an external thread is formed on the lower portion of the fastening rod 43, a tightening nut 47 is screwed on the external thread, a clamping arm 45 movably sleeved on the fastening rod 43 is arranged above the tightening nut 47, an elastic rubber ring 46 is sleeved on the fastening rod 43 between the clamping arm 45 and the tightening nut 44, and the clamping arm 45 and the fastening plate 42 are used for clamping on spokes of.

In order to ensure safety, reliability and flexibility of the circuit part, waterproof connecting pieces or waterproof plug connectors are adopted at all connecting positions of the circuit.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. A method for driving a land vehicle in water, comprising a buoyant bladder mounted on the vehicle;

a power steering apparatus for powering and steering a vehicle traveling in water;

comprises a bracket mounted on a vehicle bottom frame or a vehicle body;

a buoyancy bladder secured to the support;

the buoyancy air bag is connected to an air source for supplying air to the buoyancy air bag through a connecting pipe and a control valve;

a power steering device for powering and steering the vehicle;

a power supply for supplying power;

the control system is connected with the control valve, the air source, the pressure detection device and the level detection device; an operation panel connected to the control system in a wired or wireless manner;

in the method, according to the pressure detection and level detection information of the buoyancy airbag, the control valve and the air source are controlled by the control system to inflate the buoyancy airbag, the power steering device provides power and steering for a vehicle, the buoyancy airbag is inflated under the control of the gas pressure detection and control system before the vehicle enters water, the levelness of the vehicle is detected by the level detection device after the vehicle enters the water and floats up through the buoyancy airbag, the level detection device transmits the vehicle level information to the control system, the buoyancy airbags on the left side and the right side are respectively connected to the air source through the control valve, the control system controls the air source and the control valve to supplement inflation for the buoyancy airbag needing inflation through signals transmitted by the level detection device and the pressure detection device until the value of the level detection device reaches a preset value, and the system automatically or manually closes the control valve and the air source after the value reaches the preset value, in order to prevent instability caused by bumping in the water running process of the vehicle, the horizontal detection device performs horizontal control and adjustment stability according to a set value in the water running process of the vehicle, the pressure detection device can detect the air pressure in the buoyancy air bag and transmit the air pressure to the control system in real time, and the control system monitors and controls the air pressure;

the water bag stabilizing device is characterized by further comprising a water bag stabilizing device, when a land vehicle runs in water by means of buoyancy of the buoyancy air bag and meets large wind waves, the land vehicle is easy to tip over, in order to prevent tipping, the water bag is installed at a proper position of the buoyancy air bag support, and when the wind waves are large in the water running process of the vehicle, the detection system automatically starts the water bag to fill water according to a stability index set by the system or manually starts the water bag to forcibly fill water stably according to a detection result; according to the detection signal, control system can also be through the three-way valve to the water pocket aerify, when the buoyancy of prevention vehicle buoyancy gasbag is not enough, provides the buoyancy and supplyes, uses as reserve buoyancy gasbag, promotes the safety guarantee.

2. A method as claimed in claim 1, wherein the support is a removable support removably mounted on the frame or body or a fixed support fixedly mounted on the frame or body.

3. A method as claimed in claim 1, wherein the power steering means is a detachable power propeller mounted at the rear of the frame or an impeller mounted on the drive and steering wheels of the vehicle, the power propeller being connected to the control system.

4. The method as claimed in claim 1, wherein the power supply is a power supply in a vehicle, and further comprises a display screen, the display screen is an independent control screen connected to the control system, or the control system is connected to a vehicle-mounted central control screen in the vehicle.

5. The method as claimed in claim 1, wherein the buoyancy air bags are respectively disposed on the left and right brackets of the vehicle, and the buoyancy air bags are double-layer structure buoyancy air bags or combined buoyancy air bags, and after the level detection device detects the vehicle imbalance, the control system can control the air source and the control valve to selectively supplement and inflate the buoyancy air bags on the left and right sides of the vehicle, so as to ensure the vehicle to be balanced all around.

6. The device for the underwater running method of the land vehicle is characterized by comprising a fixed bracket arranged on a bottom frame or a vehicle body of the vehicle;

a buoyancy bladder secured to the support;

independently configuring or borrowing a power supply in the vehicle;

the pressure detection device is used for detecting the pressure of the buoyancy air bag, and the level detection device is used for detecting the levelness of the automobile;

the control system is connected with the control valve, the air source, the power propeller, the pressure detection device and the level detection device; an operation panel connected to the control system in a wired or wireless manner;

the support is a fixed support and comprises a bottom plate fixed at the bottom of a vehicle, wherein transversely arranged air cylinders are fixed on the bottom plate, the directions of piston rods of the two air cylinders are opposite, free ends of the piston rods of the air cylinders are fixedly provided with push rods which are transversely connected onto the bottom plate in a sliding manner, the outer ends of the push rods are connected with supporting rods, the front ends and the rear ends of the supporting rods are respectively provided with axially extending sliding grooves, the sliding grooves are axially and slidably connected with movable rods, spring plungers are arranged on the movable rods, the support is provided with two positioning holes which are matched with the spring plungers and are communicated into the sliding grooves, the upper side surface of each movable rod is provided with a buoyancy air bag chamber arranged outside the spring plunger, the upper side surface of the support is provided with two buoyancy air bag chambers which are axially arranged at intervals, the buoyancy air bags are connected into, the cylinder and the buoyancy air bag are connected to an air source through connecting pipes, and the air source and the power device are connected to a control system.

7. The device for the underwater running method of the land vehicle is characterized by comprising a detachable bracket arranged on a vehicle bottom frame or a vehicle body;

a buoyancy bladder secured to the support;

independently configuring or borrowing a power supply in the vehicle;

the support is detachable and comprises two cross arms arranged in parallel with a vehicle body, each cross arm is composed of four connecting rods which are sequentially butted from front to back, the two connecting rods which are butted with each other are rotatably connected through hinges, two adjacent hinges are respectively arranged at two sides of the cross arm opposite to each other, a placing groove is formed in the butt joint end part of one connecting rod of the two connecting rods which are butted with each other, a push plate is connected in the placing groove through a spring arranged at the bottom of the groove, a lock column is fixed at the outer side of the push plate, a lock hole matched with the lock column is formed in the butt joint end of the other connecting rod, a long-strip-shaped handle hole which is communicated with the placing groove and extends along the length direction of the connecting rod is formed in the side surface of the connecting rod at one side of the placing groove, a handle extending out of the connecting rod through the handle hole is fixed on the push plate, the side surfaces, facing the, the utility model discloses a vehicle safety fixing belt, including connecting rod, power device drive screw, buoyancy gasbag, air supply, power device, buckle, safety fixing belt, the side is through the fixed buoyancy gasbag of safety fixing belt on the connecting rod, and the dismantled power device that its afterbody of connecting rod at rear portion was equipped with is arranged in to the connecting rod, power device drive screw, buoyancy gasbag connects on the air supply through the connecting pipe, and air supply and power device connect on control system, and the vehicle wherein installs the buckle on the connecting rod face side towards the vehicle of one side, installs safety fixing belt buckle on the connecting rod face side towards the vehicle of vehicle opposite side, still includes safety fixing belt, the one end of.