50 results about "Land Travel" patented technology

A vertical take-off and landing aircraft with tiltable power for use on land and in the air includes: a body (3) provided with a drive device; wheels (8) being controlled to make the body move on the ground; and a front thruster (1) and a rear thruster (2) controlling the body to fly or take off / land, wherein transmission brace rods (5) are arranged on both sides of the body, and a first pivot (9) passes transversely through the body and is connected to the transmission brace rods on both sides of the body; wherein the front thruster is fixed on front ends of the transmission brace rods, and the rear thruster is fixed on rear ends of the transmission brace rods; wherein the central axes of the front and rear thrusters are perpendicular to the plane formed by the two transmission brace rods. By controlling a tilting angle of the front / rear thrusters, this aircraft has two basic functions of vertical take-off / landing and horizontal flight, so as to facilitate conversion between land travel and air flight. During flight in the air, the aircraft body always remains in horizontal state, thereby making the occupants feel comfortable and providing them with broad vision so as to operate the aircraft safely.

A vertical take-off and landing aircraft with tiltable power for use on land and in the air includes: a body (3) provided with a drive device; wheels (8) being controlled to make the body move on the ground; and a front thruster (1) and a rear thruster (2) controlling the body to fly or take off / land, wherein transmission brace rods (5) are arranged on both sides of the body, and a first pivot (9) passes transversely through the body and is connected to the transmission brace rods on both sides of the body; wherein the front thruster is fixed on front ends of the transmission brace rods, and the rear thruster is fixed on rear ends of the transmission brace rods; wherein the central axes of the front and rear thrusters are perpendicular to the plane formed by the two transmission brace rods. By controlling a tilting angle of the front / rear thrusters, this aircraft has two basic functions of vertical take-off / landing and horizontal flight, so as to facilitate conversion between land travel and air flight. During flight in the air, the aircraft body always remains in horizontal state, thereby making the occupants feel comfortable and providing them with broad vision so as to operate the aircraft safely.

An amphibious vehicle capable of high speeds on the water has a buoyant hull with driven tracks on each side of the hull. The tracks are movable between an upper position and a lower position relative to the hull. The tracks propel the vehicle both for land travel and water travel. Water diverter vanes at the aft end of each track divert water being carried forward by the tracks. Water diverter vanes at the forward ends direct water carried on the upper runs in a downward and aft direction. A cavitation plate is located behind each of the tracks while waterborne and below the waterline of the hull. A tiltable transom flap is attached to the transom and extends rearward.

The invention discloses an amphibious type multi-functional floater salvaging device. In the salvaging device, a supporting body is a double-floating body(1) driven to sail by an underwater propeller(13), the front end of the double-floating body(1) is provided with an intercepting-salvaging device(3), and both sides of the double-floating body(1) are provided with a water-and-land travelling device(2); and the water-and-land travelling device(2) mainly comprises a driving device(11), a track(12), a driving wheel(26), a supporting wheel(27) and a tension wheel(28), wherein the track(12) is tensioned by the driving wheel(26), the supporting wheel(27) and the tension wheel(28), and the outer surface of the track(12) is provided with blades(25). The amphibious type multi-functional floater salvaging device can not only sail in water, but also run overland; particularly, the amphibious type multi-functional floater salvaging device can use the special strength in the shoal water zones of a water body to conveniently salvage aquatic plants, floating refuse and cyanobacteria in the shoal water zones; and the problem of salvaging dead angles which cannot be solved by common automobiles and ships is solved.

The invention relates to a hydraulic-drive amphibious boat. According to the hydraulic-drive amphibious boat, traveling in the double environments including the waterway environment and the landway environment is achieved. The hydraulic-drive amphibious boat comprises a hull, wherein an outboard engine is installed on the tail portion of the hull and is connected with a control circuit; a land traveling wheel system is installed at the bottom of the hull, each wheel in the land traveling wheel system is provided with a hydraulic motor, and the hydraulic motors are connected with a hydraulic control device; a hydraulic steering device is further arranged on the front wheels, and is also connected with the hydraulic control device; each wheel in the land traveling wheel system is provided with a hydraulic lifting device, and the hydraulic lifting devices are connected with the hydraulic control device; the hydraulic control device is connected with a water and land mode switching box, and the water and land mode switching box comprises a first output shaft and a second output shaft; the first output shaft is connected with the hydraulic control device through a rotary valve; the second output shaft is connected with the outboard engine through a transmission device; a switching device is connected with a switching box lever; a steering wheel device is connected with an input shaft of the switching device; the hydraulic control device is provided with a plurality of motor pumps which are connected with the control circuit; a power source provides needed electric power.

The invention discloses a triphibian rotor wing robot and a working method thereof. The triphibian rotor wing robot comprises a main body bottom plate, four rotor wing modules, four deformation modules and an electric control module, wherein the four rotor wing modules are symmetrically arranged at the four corners of the main body bottom plate and controlled by the electric control module, and the rotor wing modules comprise rotor wings, land traveling wheels and driving mechanisms for driving the rotor wings and the land traveling wheels to work; the four deformation modules are in one-to-one correspondence with the four rotor wing modules, and are symmetrically arranged at the four corners of the main body bottom plate, used for driving the corresponding rotor wing modules to rotate inthe vertical direction and controlled by the electric control module; and the electric control module is arranged on the main body bottom plate and provides electric energy and control signals for thetriphibian rotor wing robot. The triphibian rotor wing robot can be switched at will in the water-land-air working environments and carry out work rapidly.

The invention relates to a water surface environment monitoring and navigation robot. The water surface environment monitoring and navigation robot comprises a land traveling device, a water surface traveling device, a lifting device, a Stewart parallel mechanism and a shooting device, wherein the water surface traveling device is connected with the land traveling device; the lifting device is positioned just above the land traveling device; the lower end of the lifting device is connected with the upper end of the land traveling device; the Stewart parallel mechanism is positioned between the lifting device and the shooting device; the lower end of the Stewart parallel mechanism is connected with the lifting device; and the upper end of the Stewart parallel mechanism is connected with the shooting device. The water surface environment monitoring and navigation robot has functions of land traveling, water surface traveling, orientation angle adjustment, camera fixing and shooting operation; intelligent degree is high, an orientation angle is adjusted conveniently and flexibly, a camera is fixed conveniently and stably, shooting speed is high, and the quality is high; and the problem that an existing artificial mode of shooting and monitoring by a person on a boat is high in difficulty, high in dangerousness, poor in shooting quality and the like is solved.

The invention relates to an amphibious vehicle, which comprises a chassis frame, a boat-shaped carriage, a clutch lifting device, an on-land traveling device and a water scooter. The position change of the chassis frame and the boat-shaped carriage is controlled by the clutch lifting device. When on land, the boat-shaped carriage is positioned above the chassis frame or has a certain ground clearance, and the amphibious vehicle is driven on land by the chassis frame and the on-land traveling device. When in water, the boat-shaped carriage is descended by the clutch lifting device and produces a buoyancy force in the water, the chassis frame and the on-land traveling device are completely positioned on water, and the amphibious vehicle is driven in the water by the water scooter and the like. The boat-shaped carriage adopts a streamline boat shape, and resistance in the water is low, so the amphibious vehicle is driven in the water like a conventional boat. The on-land traveling device and the chassis frame are lifted together, and a braking device, a steering device, a suspension device and a transmission device required by travel on land all adopt part structures of a conventional vehicle, so the amphibious vehicle has low cost and high reliability.

The invention discloses a hovercar and a control system thereof. The hovercar comprises a main engine (10), a land travelling mechanism (30), flying wings (40) which can extend outward from the body of the hovercar and a thrust deviator (50) for changing the flight thrust, wherein the main engine (10) is a small-scale turbofan engine or a small-scale turbojet engine; an exhaust system (60) which can be opened or closed is arranged between a tail exhaust nozzle (18) and an afterburner (19) of the main engine (10), the main engine (10) is provided with a power takeoff (11), and the land travelling mechanism (30) is connected to the power takeoff (11). The hovercar has favorable flexibility of travelling on land and favorable drivability.

The invention relates to a two-level motorhome with, on the lower level: a receptacle for a car, accessed perpendicularly to the longitudinal axis of the motorhome; and, on the upper level: two independent living areas. One is at the front, with three slide-outs, two of them right above the car receptacle, served by a staircase and an elevator car that goes right down to the ground, and adapted to accommodate four people enjoying a living room that can be converted into a room with twin beds closed off by rigid partitions. One is at the rear, used as a cabin to house a two-person crew, served by an independent staircase. The motorhome according to the invention is adapted for land tours for four individuals who wish to have use of a car and elevator, and to leave all the operating logistics to a crew. It is particularly suited to time-sharing and rental.

The invention relates to the field of bacterium detection and in particular discloses a multipoint sampler for bacterium detection. The multipoint sampler comprises a body, a land traveling device, a water surface traveling device, a traction device, a land sampler and a pond sampler, wherein the land traveling device is used for automatically traveling on soil surface and sand; the water surface traveling device realizes any motion in water; the traction device drives the pond sampler to make any wide-range transverse motion in a water sampling area and can drive the pond sampler to make transverse micro motion in a narrow range; the land sampler is used for sampling soil and sand of different depths due to up-and-down telescopic motions; the pond sampler is used for sampling water of different depths by utilizing up-and-down telescopic motions; bottom sludge in the water area can be collected at the lower end of the pond sampler. The multipoint sampler disclosed by the invention can realize amphibious operation, can also realize automatic sampling of the soil layer, grit, water and water bottom sludge and is applied to sampling of the water bottom sludge in the water area of different depths.

The invention relates to an obstacle-surmounting reconnaissance robot which can advance on complex grounds and fly over obstacles. An upper installation plate of a flying part is fixedly connected with a lower installation plate of a land traveling part through a leg pipe clamp support. The obstacle-surmounting reconnaissance robot has the advantages of considering both obstacle surmounting and speed performances as the land traveling part adopts a bionic leg and wheel combined traveling mode; being capable of taking off and landing vertically during air-ground amphibious conversion, having no mechanical drive in the flying part, and being simple in structure, vulnerable to damage and easy to maintain. The obstacle-surmounting reconnaissance robot has a ground fast traveling capability and a ground obstacle-surmounting reconnaissance robot function, and can take off and land vertically at any point of any terrain.

The invention provides a miniature rapid-assembly paddy and drought dual-purpose rice and wheat harvester, which comprises a stand, an engine arranged on the stand, a transmission case, a threshing cylinder with a threshing roller driven by the engine through a driving mechanism, a gain-collecting auger, an output auger, a gathering auger, a cutting table with a cutting knife assembly, a driving wheel arranged on an output shaft of the transmission case, a steering wheel positioned at the front end of the stand, a railing and a cutting table lifting device. The miniature rapid-assembly paddy and drought dual-purpose rice and wheat harvester is characterized in that first rapid assembly and disassembly mechanisms (5) are arranged at corresponding positions of the stand and the threshing cylinder; second rapid assembly and disassembly mechanisms (9) are arranged at corresponding positions of the threshing cylinder and the cutting table; and the driving wheel is a paddy filed wheel or a drought land traveling wheel which is rapidly assembled with the output shaft of the transmission case. The invention has light weight, can realize rapid disassembly, assembly and carry of large components, has strong university and convenient operation, can operate in drought land and paddy fields in winter and is particularly applicable to mountain areas and hills.

The invention relates to a kind of self-rotation rotaplane , whose rotor wing pillar 14 , rotor wing and tailspin is easy for folding collection and take up small ground space , thus it is a kind of rotor wing flying cars which is easy for takoff or landing on the road and maneuvering traveling . The plane adopts technology as inclined-spinning storing rotor wing pillar 14 , folding rotor wing and tailspin , light prewhirl drive , land traveling system , etc , thus its flying and traveling mobility and its safety performance are great . On the base of assuring self lighting and safety , the invention can take off and land in short distance , fold or unfold the wings swiftly , and well imitate the bird's mobility in remotely flying and short walking . Generally , in the range of ten kilometers from the destination , it is easy to find the place as road that is suitable for takoff and landing of the plane . The invention can take off or land from the location , traveling to the destination and get into the family garage , finish the nonstop traffic mission from point to point , thus it is really a new kind of aircraft that can get into the family .

An amphibious vehicle, in particular military, amphibious vehicle, includes a first end region (2) and a second end region (3) opposite the latter in the longitudinal direction of the vehicle. The first end region (2) is designed as a land driving front and the second end region (3) is designed as a ship's bow for water travel. In a method for operating an amphibious vehicle (1), the main travel direction of the amphibious vehicle (1) is reversed upon transfer between land travel and water travel.

The invention relates to an intelligent robot for feeding fishes and shrimps in a reservoir. The intelligent robot for feeding fishes and shrimps in the reservoir comprises a land traveling device, water surface traveling devices, a lifting device, a redundancy parallel mechanism and a feeding device, wherein the water surface traveling devices are respectively positioned on the left side and the right side of the land traveling device; the lifting device is positioned right above the land traveling device; the lower end of the lifting device is connected with the upper end of the land traveling device; the redundancy parallel mechanism is positioned between the lifting device and the feeding device; the lower end of the redundancy parallel mechanism is connected with the lifting device; and the upper end of the redundancy parallel mechanism is connected with the feeding device. The intelligent robot for feeding fishes and shrimps in the reservoir has functions of land traveling, water surface traveling, orientation angle adjustment and loading and feeding; an automatic feeding function of fishery breeding can be fulfilled; intelligent degree is high, an orientation angle is adjusted conveniently and flexibly, feeding speed is high, and the distance is long; and the problem that an existing artificial mode of feeding fishes and shrimps by a person on a boat is large in work amount, high in dangerousness, low in efficiency and the like is solved.

The invention discloses an amphibious ship which comprises a ship body, a water driving system arranged on the ship body, and two caterpillar band traveling systems arranged on the two sides of the ship body respectively. Each caterpillar band traveling system comprises two ship body connecting plates, two telescopic arms, a first driving device, a supporting beam, a plurality of thrusting wheels, a driving wheel, a second driving device and a caterpillar band, the ship body connecting plates are arranged on the outer wall of the ship body, the two telescopic arms are connected with the two ship body connecting plates respectively, the first driving device is connected with the telescopic arms, the supporting beam is connected with the telescopic arms, the thrusting wheels and the driving wheel are arranged on the supporting beam, the second driving device is connected with the driving wheel, and the caterpillar band is arranged on the thrusting wheels and the driving wheel in a sleeved mode. The amphibious ship travels in water through the water driving system. The telescopic arms are stretched to lay down the caterpillar band traveling systems, and the ship body is supported with the caterpillar band traveling systems and driven by the caterpillar band traveling systems to move to achieve traveling on land. According to the amphibious ship, the caterpillar band traveling systems are used as land traveling systems, and the amphibious ship is simple in structure and convenient to maintain.

The invention discloses a combined intelligent vehicle system, which comprises a cockpit, a flying machine, a land traveling machine, a water traveling machine, a land parking platform, aland and water conversion device, and a flying machine docking platform.Each of the cockpit, the flying machine, the land traveling machine, the water traveling machine, the land parking platform, the land and water conversion device, and theflying machine docking platform can be used as an independent unit, is provided with an individual control system and anindividual energy storage part, can work independently, and is controlled by a control center;the flying machine, the land traveling machine, and the water traveling machine are power units and can be connected with the cockpit in a butt joint mode correspondingly to form a transport device,the land parking platform can be used for parking the land traveling machine,the land and water conversion platform is a combination device of an auxiliary cockpit and the water traveling machine or the land traveling machine and can store energy for the water traveling machine, and the flying machine docking platform can be used for docking the flying machine. According to the combined intelligent vehicle system, a combined intelligent vehicle network system is realized based on big data, the internet of things, and an artificial intelligence technology, future urban traffic problems can be effectively solved, and the combined intelligent vehicle system can be applied to private travel, rescue and other actions.

According to typical practice of the present invention, a vehicle is remotely controlled and is travelable both in water and on land. The vehicle has two liquid-containment components that are situated generally one above the other. Pumping devices bring about transfer of cargo liquid (e.g., fuel or water) from either component to the other component. In accordance with the liquid transfer, the vehicle turns over, about its longitudinal axis, between two generally opposite buoyant positions, each of which is stable and viable for marine navigation. When the flow of the liquid sufficiently shifts weight from one component to the other, the vehicle inverts; that is, the emptying component flips from the bottom to the top, and the filling component flips from the top to the bottom. One of the buoyant positions of the vehicle is characterized by wheels for amphibiously transitioning the vehicle from water travel to land travel.

The invention relates to an environment-friendly large-area sewage purification robot. The environment-friendly large-area sewage purification robot comprises a land traveling device, water traveling devices, a lifting device, a delta parallel mechanism and a feeding device. The water traveling devices are located on the left side and the right side of the land traveling device correspondingly. The lifting device is located over the land traveling device, and the lower end of the lifting device is connected with the upper end of the land traveling device. The lower end of the delta parallel mechanism is connected with the lifting device, and the upper end of the delta parallel mechanism is connected with the feeding device. The environment-friendly large-area sewage purification robot has a land traveling function, a water traveling function, a direction and angle adjustment function and charging and feeding functions; automatic feeding for sewage purification can be achieved in the sewage treatment and purification process; in addition, the intelligentization degree is high, adjustment of the direction and angle is convenient and flexible, the feeding speed is high, and the feeding distance is long; and the problems that according to existing manual feeding by ship, the workload is large, the risk is high, and the efficiency is low are solved, and water resources are effectively protected.

The invention discloses a hovercar and a control system thereof. The hovercar comprises a main engine (10), a land travelling mechanism (30), flying wings (40) which can extend outward from the body of the hovercar and a thrust deviator (50) for changing the flight thrust, wherein the main engine (10) is a small-scale turbofan engine or a small-scale turbojet engine; an exhaust system (60) which can be opened or closed is arranged between a tail exhaust nozzle (18) and an afterburner (19) of the main engine (10), the main engine (10) is provided with a power takeoff (11), and the land travelling mechanism (30) is connected to the power takeoff (11). The hovercar has favorable flexibility of travelling on land and favorable drivability.

The invention relates to a lake sewage purification treatment intelligent robot which comprises a land traveling device, water surface traveling devices, a lifting device, a hybrid mechanism and a feeding device. The water surface traveling devices are located on the left side and the right side of the land traveling device correspondingly. The water surface traveling devices are connected with the land traveling device. The lifting device is located over the land traveling device. The lower end of the lifting device is connected with the upper end of the land traveling device. The hybrid mechanism is located between the lifting device and the feeding device, and the lower end of the hybrid mechanism is connected with the lifting device. The upper end of the hybrid mechanism is connected with the feeding device. The lake sewage purification treatment intelligent robot has the land traveling function, the water surface traveling function, the azimuth angle adjusting function and the charging and discharging function. In the sewage purification treatment process, the sewage purification function and the automatic feeding function can be achieved, the intelligence degree is high, the azimuth angle adjusting is convenient and flexible, the feeding speed is high, the feeding distance is large, the problems that in the current manual feeding process by ships, the workload is large, the risk is high, and the efficiency is low are solved, and water resources are effectively protected.

The invention discloses a wheel, and relates to the technical field of driving devices used for vehicles or aircrafts. The wheel comprises a wheel body. The wheel body is provided with a hub and spokes. A first mounting cylinder is arranged at the converging position of the spokes. The first mounting cylinder is externally and rotatably provided with a second mounting cylinder. One end of the first mounting cylinder is located outside the second mounting cylinder. Propellers arranged in a radial shape are arranged on the second mounting cylinder. The first mounting cylinder is internally provided with a driving assembly. The driving assembly is used for driving the first mounting cylinder and the second mounting cylinder to rotate separately. The wheel not only can provide the land actionforce but also can provide the flight power for transportation vehicles, the function is diverse, by combining the land travelling function with the flying function into one, the self weight of a transportation vehicle can be reduced, and energy consumption is saved accordingly.

The invention discloses aquatic product conveying equipment for waterway, landway and beach. The aquatic product conveying equipment comprises an water travel system, a land travel system, a beach travel system and a loading platform, wherein the water travel system consists of a first hydraulic travel motor and a screw propeller; the land travel system consists of a second hydraulic travel motor, two front tyres and two rear tyres; the beach travel system consists of a third hydraulic travel motor and at least two helix roller propellers; the loading platform is used for loading aquatic products; the screw propeller can be arranged at the front middle position or rear middle position of the bottom of the loading platform in a folding and unfolding manner; the two front tyres are symmetrically arranged in the front of the bottom of the loading platform in the folding and unfolding manner; the two rear tyres are symmetrically arranged in the rear of the bottom of the loading platform in the folding and unfolding manner; the helix roller propeller is arranged at the bottom of the loading platform by virtue of a bearing. The aquatic product conveying equipment has the advantages that transshipment links are little, and the aquatic products can be directly conveyed to the market from beach production places, so that the freshness of the aquatic products is ensured; in addition, the conveying time is short, and the efficiency is high.

The invention discloses a tumbler wheel flying car. The flying car is characterized by comprising a self-balancing gyroscope electric wheel, a car axel, a car seat bracket, an oil tank, a storage battery, an oil supply pump, an accelerator, a wire, an oil pipe, a car seat, a direction rudder, a generator, an air inlet-outlet hole, a fixing housing, a movable housing, a universal machine, a propeller, a car body connection rod, a fixing bolt hole A, a connection rod hole A, a fixing bolt hole B, a connection rod hole B, a seal ring, an jet engine, a leg frame, an oxygen bag, an air inlet-outlet valve, a gasoline engine and a parachute. The tumbler wheel flying car belongs to a device with perfect integration of man and machine, belongs to a triphibian transportation tool and wholly and mainly comprises two parts as follows: a first part is a land travelling part which is formed by connecting the self-balancing gyroscope electric wheel and a car frame and is used for travelling on the land surface, wherein direction and car speed of the electric one-wheel car can be controlled by front inclination and back inclination of the body of a driver; a second part serves as a flying part and is formed by driving the propeller and the engine which can be fixed on the exterior of a engine housing through the gasoline engine; the flying part can be used for flying in the air and assisting to generate rising force; the pressure to the land surface of the whole engine body can be reduced; the purposes of skipping single point, hovering and flying can be achieved.

The invention relates to a six-degree-of-freedom fishery breeding automatic feeding robot base which comprises a land traveling device, two water traveling devices, a lifting device and a Stewart parallel connection mechanism. The water traveling devices are positioned on the left side and the right side of the land traveling device respectively and connected with the land traveling device, the lifting device is positioned right above the land traveling device, the lower end of the lifting device is connected with the upper end of the land traveling device, the Stewart parallel connection mechanism is positioned right above the lifting device, and the lower end of the Stewart parallel connection mechanism is connected with the lifting device. The six-degree-of-freedom fishery breeding automatic feeding robot base has functions of land traveling, water traveling and direction and angle adjusting, and is quick and convenient in traveling and convenient and flexible in direction and angle adjusting, and the problem that existing feeding robot bases are low in moving flexibility, narrow in application range and low in stability.

An air flight / land travel amphibious mode conversion mechanism for unmanned aerial vehicles solves the technical problem that unmanned aerial vehicles generally only fly in the air and cannot realize the air flight / land travel amphibious mode conversion in the prior art. The steering gear of the conversion mechanism is respectively located on the left and right sides of the frame, the drive shaft of the paddle is fixed under the frame, the support frame is fixedly connected with the frame, the crawler gear is fixed under the frame, the crawler is sleeved on the support frame and the crawler gear, and the motor The output shaft of the reducer box is connected to the motor input shaft of the reducer box, and the left servo is used to control the synchronizer in the reducer box so that the motor input shaft of the reducer box is connected to output shaft one or output shaft two; output shaft two is used for Drive the crawler gear to rotate, output shaft 1 is used to drive the blade to rotate, and the right steering gear is used to drive the frame to rotate 90°, so that the plane where the blade is located is perpendicular to the ground. The invention has the advantages of ensuring the flight safety of the unmanned aerial vehicle and improving work efficiency.

The invention relates to a six-degree-of-freedom fishery breeding automatic feeding robot base which comprises a land traveling device, two water traveling devices, a lifting device and a Stewart parallel connection mechanism. The water traveling devices are positioned on the left side and the right side of the land traveling device respectively and connected with the land traveling device, the lifting device is positioned right above the land traveling device, the lower end of the lifting device is connected with the upper end of the land traveling device, the Stewart parallel connection mechanism is positioned right above the lifting device, and the lower end of the Stewart parallel connection mechanism is connected with the lifting device. The six-degree-of-freedom fishery breeding automatic feeding robot base has functions of land traveling, water traveling and direction and angle adjusting, and is quick and convenient in traveling and convenient and flexible in direction and angle adjusting, and the problem that existing feeding robot bases are low in moving flexibility, narrow in application range and low in stability.

The embodiment of the invention discloses an air-ground amphibious detector, a detection platform and a detection method, and the air-ground amphibious detector comprises a land traveling mechanism and a flying mechanism. When a land detection mode is adopted, the flying mechanism is folded on the land traveling mechanism through a machine arm base, a connecting arm and a first driving part of the folding mechanism, and blades of the flying mechanism are folded side by side in the traveling direction of the land traveling mechanism through a second driving part. The space, occupied by the land-air amphibious detector in the land detection mode, in the running direction of the land running mechanism is reduced, so that the land-air amphibious detector can enter the narrow space of the land and can run in the narrow space, the internal situation of the narrow space is detected, useful information is obtained, and the detection efficiency is improved. The detection environment of the land-air amphibious detector is further expanded, meanwhile, due to the fact that the land-air amphibious detector occupies a small space in the land detection mode, the risk that the land-air amphibious detector is stuck is reduced, and the recovery rate of the land-air amphibious detector cannot be reduced.