26results about "Retractable wheels" patented technology

A convertible ducted fan engine and mounting system. The convertible ducted fan engine has a shroud encircling a mechanical fan. The convertible ducted fan engine includes a fluid-propulsion configuration in which the mechanical fan rotates freely with respect to the shroud to produce thrust through fluid flow, and a drive-wheel configuration in which the shroud rotates about the rotational axis.

An amphibious vehicle has a floatable vehicle body; ground engaging propulsion structure having a plurality of ground engaging elements; a fluid pump for pumping liquid manure; a power source configured to provide power to both the ground engaging propulsion structure and the fluid pump; and, remote control structure for controlling the ground engaging propulsion structure and a flow of fluid from the fluid pump. The speed and / or direction of the vehicle is remotely controllable by an operator remote from the vehicle when the vehicle is ground engaging and when the vehicle is floating.

A method of moving liquid manure in a liquid manure lagoon involves: driving an amphibious vehicle into the liquid manure lagoon by remotely controlling speed and direction of the amphibious vehicle on the ground, the amphibious vehicle having a ground-engaging propulsion structure for driving the amphibious vehicle on the ground and a floatable vehicle body to float the amphibious vehicle in the liquid manure lagoon; and, moving the liquid manure in the liquid manure lagoon by remotely controlling speed and direction of the amphibious vehicle in the liquid manure lagoon.

The present invention provides a wheel-legged amphibious robot, which relates to the field of robot engineering technology. The wheel-legged amphibious robot provided by the present invention includes a frame, a control component, a wheel-legged leg component and a first driving component. The control component is suitable for controlling the wheel-legged amphibious robot to sail on the water surface or fly in the air; the wheel-legged leg component is connected to the frame, and the wheel-legged leg component is suitable for making the wheel-legged amphibious robot walk on the ground in a foot-like manner or wheeled walking; the first driving component is connected to the wheel-legged leg component, and the first driving component is suitable for driving the wheel-legged leg component to be in a first state adapted for sailing on the water surface, a second state for flying in the air, or a third state for walking on land. By applying the wheel-legged amphibious robot in the solution of the present invention, the control component and the driving component of the wheel-legged amphibious robot can be reused, the number of parts of the whole machine can be reduced, and it is beneficial to the lightweighting of the wheel-legged amphibious robot.

The invention provides a powered retraction system for a wheel. The retraction system includes an actuation system to raise the wheel to a stowed position and to lower the wheel to a steer position. The actuation system includes: a motor that is operably connected to a rotatable torsion controller to rotationally drive the torsion controller about a torsion controller axis; a torsion element comprising opposing first and second ends; and a swing arm operably connected to the wheel axle and rotatable by the torsion controller about a swing arm axis to raise and lower the wheel. The first end of the torsion element engages with the rotatable torsion controller and the second end of the torsion element engages with the swing arm. When in the steer position, the torsion element is tensioned to urge the spring arm, and in turn the wheel, downwards.

The invention discloses a height-variable hydraulic suspension control system, which relates to the field of suspension systems of rail-road vehicles, and comprises a suspension oil cylinder used for connecting wheels and a frame and comprising a rodless cavity and a rod cavity; a hydraulic pump station; the output end of the energy accumulator is communicated with a rodless cavity of the suspension oil cylinder, and the input end of the energy accumulator is communicated with the hydraulic pump station; an electromagnetic directional valve; a balance valve; and the communicating valve is arranged between the suspension oil cylinder and the electromagnetic reversing valve and is used for controlling the on-off of an oil path between the rod cavity and the electromagnetic control valve. Each wheel is supported through the suspension oil cylinder, the lifting height of the suspension can be increased, in the road running mode, a rod cavity of the suspension oil cylinder is freely communicated with the oil tank, a rodless cavity of the suspension oil cylinder is communicated with the energy accumulator, the compressed air in the energy accumulator plays an elastic supporting role on the suspension, and in the railway running mode, the compressed air in the energy accumulator plays a role in elastic supporting on the suspension. And the balance valve is used for further locking the suspension, so that the driving safety is improved.

The invention discloses a triphibian boat capable of stably moving on a road surface, and relates to the technical field of triphibian boats, the triphibian boat comprises a boat body, a mounting seat and a mounting groove, the bottom end of the boat body is provided with multiple groups of mounting bins, the multiple groups of mounting bins are dispersedly arranged, and supporting seats are movably mounted in the multiple groups of mounting bins; limiting shafts are movably installed in the multiple sets of supporting bases, and rolling wheels are installed on the outer walls of the multiple sets of limiting shafts. According to the triphibian boat, the supporting bases and the rolling wheels are arranged, before the triphibian boat lands to the ground, the multiple sets of rolling wheels and the multiple sets of supporting bases are moved out of the multiple sets of mounting bins correspondingly, the multiple sets of rolling wheels and the multiple sets of supporting bases are dispersedly arranged at the bottom end of the boat body, and after the boat body lands to the ground, the multiple sets of rolling wheels and the multiple sets of supporting bases are matched to support the boat body; and supporting points are dispersed, so that slipping or rollover on an uneven road surface is not easily caused.

The invention discloses a driving, rotating and flying integrated unit based on differential bevel gears and a control method of the driving, rotating and flying integrated unit, and belongs to the technical field of land-air integrated traffic tools. The integrated unit is highly integrated with a wheel assembly, a driving, rotating and flying integrated actuator, a suspension system and a disconnectable connecting unit. According to the rotation and flight driving integrated actuator, based on a differential bevel gear mechanism, through rotation speed coupling output of two sets of isomorphic execution motors, self-rotation driving of wheel half shafts and decoupling control over revolution deflection around the axis of a main pin are accurately achieved. In combination with cooperation of the brake-by-wire system and the electromagnetic clutch, the unit can realize two modes and switching thereof: in a land running mode, efficient drive braking and steering are completed; in the flight mode, direct torque and active vector flight control is realized by utilizing a wheel-wing integrated structure; and under configuration transformation, the wheel edge mechanism is integrally overturned to realize attitude reconstruction. According to the method, the hardware redundancy is extremely simplified, and meanwhile, the cross-domain maneuvering capability and the control flexibility of the system are remarkably improved.

The invention relates to the technical field of tunnel engineering detection. An industrial tunnel disease detecting and positioning vehicle comprises a vehicle body composed of a base and a push handle, and guide wheels are arranged at the bottom of the vehicle body; a front image acquisition system and a side image acquisition system are arranged on the vehicle body; an adjusting device and a lifting device are further arranged on the vehicle body; an industrial personal computer and a display are arranged on the vehicle body and are used for controlling the operation of the whole system; and a disease marking device is also arranged on the vehicle body. The invention provides an industrial tunnel disease detection positioning vehicle which can effectively improve the detection and marking of tunnel diseases, greatly facilitates the subsequent maintenance, optimizes the operation experience and the detection efficiency, and can meet higher detection requirements. The technical problems that in the prior art, current tunnel detection generally depends on manual inspection, the detection efficiency is low, the risk is high, the subjectivity is high, the detection efficiency of a common image acquisition system is not ideal enough, maintenance personnel need to find disease positions for the second time, and higher detection requirements cannot be met are solved.

The application discloses a amphibious vehicle with liftable suspension and relates to the field of amphibious vehicles.The amphibious vehicle with liftable suspension comprises a vehicle body, a driving unit, a front axle transmission unit and a rear axle transmission unit are internally installed in the vehicle body; the front axle transmission unit and the rear axle transmission unit are respectively located at two ends of the driving unit, and the driving unit is in transmission connection with the front axle transmission unit and the rear axle transmission unit.The amphibious vehicle with liftable suspension can drive the front axle transmission shaft assembly and the first rear axle transmission shaft in the front axle transmission unit and the rear axle transmission unit to perform transmission by using the driving unit, so that the vehicle body can perform four-wheel drive driving on land; meanwhile, the height of the front axle transmission shaft assembly and the first rear axle transmission shaft transmission part can be adjusted according to different road conditions by using the air spring and the worm gear, so that the ground clearance of the vehicle body can be adjusted, and different road conditions and different speeds can be adapted.

This invention relates to a guide and buffer mechanism for a dual-purpose road-rail vehicle, its chassis, and the dual-purpose road-rail vehicle itself, belonging to the field of dual-purpose road-rail vehicles. The technical solution adopted by this invention includes: a guide wheel assembly comprising at least one pair of guide wheels, with an axle between the guide wheels; a lifting wheel seat, a slewing mechanism, a lifting frame, and a lifting cylinder mechanism; the lifting frame includes a lifting plate and a lifting swing arm, with the lower part of the lifting swing arm connected to the lifting plate and the upper part of the lifting swing arm connected to the dual-purpose road-rail vehicle; the piston end of the lifting cylinder mechanism is hinged to the lifting swing arm, and the cylinder body of the lifting cylinder mechanism is hinged to the dual-purpose road-rail vehicle. The invention provides a dual-purpose road-rail vehicle chassis equipped with the guide and buffer mechanism. The guide and buffer mechanism is located at the lower part of the chassis, and the lifting mechanism frame and adjustment structure frame are mounted on the chassis. The road lock mechanism is located on the side of the chassis. When the two pairs of guide wheels are raised, the height of the front guide wheel is lower than the height of the rear guide wheel.

The invention relates to a road-rail vehicle, in particular a road-rail excavator, with an undercarriage comprising a first chassis for ground-based movement of the road-rail vehicle and a rail undercarriage with a front and a rear rail axle for rail travel, wherein the undercarriage comprises a center section on which the first chassis is arranged. The rail undercarriage comprises actuators by means of which the rail axles can be moved relative to the center section between a first travel position for road travel and at least one second travel position for rail travel. According to the invention, the front and / or rear rail axle is mounted relative to the center section so as to be rotatable about a pendulum axis and is additionally coupled to the center section via at least one bearing arrangement which can be switched between a damping mode with comparatively low rigidity and a locking mode with comparatively higher rigidity.The bearing assembly comprises two separate assemblies, a first assembly providing the higher rigidity and a second assembly providing the lower rigidity. The second assembly can be deactivated to switch to the locking mode. The invention further relates to a bearing assembly for a road-rail vehicle according to the invention.

The invention relates to a road-rail vehicle, in particular a road-rail excavator, with an undercarriage which comprises a first chassis for the ground-based movement of the road-rail vehicle and a rail chassis with a front and a rear rail axle for rail travel, wherein the undercarriage comprises a center section on which the first chassis is arranged. The rail chassis comprises actuators by means of which the rail axles can be moved relative to the center section between a first travel position for road travel and at least one second travel position for rail travel. According to the invention, the front and / or rear rail axle is mounted relative to the center section so as to be rotatable about a pendulum axis and is additionally coupled to the center section via at least one bearing arrangement which can be switched between a damping mode with comparatively low rigidity and a locking mode with comparatively higher rigidity.The bearing assembly comprises two separate assemblies, a first assembly providing the higher rigidity and a second assembly providing the lower rigidity. The second assembly can be deactivated to switch to the locking mode. The invention further relates to a bearing assembly for a road-rail vehicle according to the invention.

A convertible multi-mode vehicle capable of motorized travel in the air, on land, on water, and under water. The multi-mode vehicle is capable of controlled aerial flight, movement on the ground in terrestrial environments, on an aquatic surface, as well as underwater by changing between the different modes. Pivoting propulsion motors enable a convertible configuration from one vehicle locomotion mode to another.

The invention provides a powered retraction system for a wheel. The retraction system includes an actuation system to raise the wheel to a stowed position and to lower the wheel to a steer position. The actuation system includes: a motor that is operably connected to a rotatable torsion controller to rotationally drive the torsion controller about a torsion controller axis; a torsion element comprising opposing first and second ends; and a swing arm operably connected to the wheel axle and rotatable by the torsion controller about a swing arm axis to raise and lower the wheel. The first end of the torsion element engages with the rotatable torsion controller and the second end of the torsion element engages with the swing arm. When in the steer position, the torsion element is tensioned to urge the spring arm, and in turn the wheel, downwards.

An amphibious vehicle with liftable suspensions includes a vehicle body. A driving assembly, a front axle transmission assembly, and a rear axle transmission assembly are disposed in the vehicle body. The front axle transmission assembly and the rear axle transmission assembly are respectively arranged on two ends of the drive assembly, and the drive assembly is in transmission connection with the front axle transmission assembly and the rear axle transmission assembly. The drive assembly enables the front axle transmission assembly and the rear axle transmission assembly to drive the front axle transmission shaft components and the first rear axle transmission shafts, thereby to achieve four-wheel travelling on land. Additionally, the amphibious vehicle can adjust heights of the vehicle body according to different road conditions using air springs and worm wheels, thereby adjusting a ground clearance to adjust various road surfaces and speeds.

In an embodiment of the present application, a guiding device, a vehicle body and a vehicle are provided. Among them, a guiding device is provided for cooperating with a rail to guide the vehicle. The guiding device includes a guiding wheel assembly, a lifting mechanism and a link mechanism. The guiding wheel assembly includes a pair of guiding wheels and an axle connected between the pair of guiding wheels. The pair of guiding wheels are used to run along a pair of rails. The lifting mechanism includes a lifting driving member and a first movable hinge assembly. The lifting driving member includes a lifting driving body and a telescopic member. The top end of the lifting driving body is hinged to the vehicle frame through the first movable hinge assembly. The link mechanism includes a second movable hinge assembly and a link. The link includes a first end, a second end and a hinge portion located between the first end and the second end. The hinge portion is hinged to the telescopic member. The first end is connected to the axle. The second end is movably hinged to the vehicle frame through the second movable hinge assembly. Through the above technical solution, the guiding wheels have good adaptability to the curves of the rails.

The invention relates to a road-rail vehicle, in particular a road-rail excavator, with an undercarriage which comprises a wheeled chassis with at least two wheel axles for road travel and a rail chassis with a front and a rear rail axle for rail travel, wherein the undercarriage comprises a center piece on which the wheel axles are arranged. The rail chassis comprises actuators by means of which the rail axles can be moved relative to the center piece between a first travel position for road travel and at least one second travel position for rail travel. According to the invention, the rail chassis comprises at least one end piece which carries one of the rail axles and is mounted on the center piece so as to be rotatable about a pendulum axis running parallel to a longitudinal axis of the undercarriage in order to compensate for unevenness during rail travel by means of a pendulum movement of the rail axis.The end piece is mounted on the center piece via a first pivot bearing and a second pivot bearing spaced apart from the first pivot bearing along the pendulum axis. The invention further relates to a rail chassis for a road-rail vehicle according to the invention.

An amphibious vehicle for operation in a liquid manure lagoon, the vehicle comprising: a floatable vehicle body; a ground engaging propulsion structure; a liquid manure pump for pumping liquid manure from the liquid manure lagoon; a power source for powering both the ground engaging propulsion structure and the liquid manure pump; and, a remote control structure for controlling the ground engaging propulsion structure, the liquid manure pump and the power source.

Described is a hybrid transportation system with hybrid vehicles (H-vehicles) that can travel on pavement (or off-road), then transition to railroad track travel, and then later transition back onto pavement without stopping or requiring an operator to exit the vehicle. At static rail junctions (with no moving switch parts) the H-vehicle selects its outgoing track. Turns at passive junctions are made by applying lateral force which may be applied using multiple methods including side roller diverters, dual flange rail wheels, and steering. Separate road wheels and rail wheels may be employed on an H-vehicle, or a combination wheel can be used with concentric road and rail wheel components. Combination wheels may be locked together or unlocked with relative rotational angular velocities. Transition between road and rail travel is facilitated using transition spans which connect roads to rails. Improved rail-only vehicles (R-) vehicles and junctions are also described.

An amphibious vehicle for operation in a liquid manure lagoon, the vehicle comprising: a floatable vehicle body; a ground engaging propulsion structure; a liquid manure pump for pumping liquid manure from the liquid manure lagoon; a power source for powering both the ground engaging propulsion structure and the liquid manure pump; and, a remote control structure for controlling the ground engaging propulsion structure, the liquid manure pump and the power source.

The invention relates to a road-rail vehicle, in particular a road-rail excavator, with an undercarriage which comprises a wheeled chassis with at least two wheel axles for road travel and a rail chassis with a front and a rear rail axle for rail travel, wherein the undercarriage comprises a center piece on which the wheel axles are arranged. The rail chassis comprises actuators by means of which the rail axles can be moved relative to the center piece between a first travel position for road travel and at least one second travel position for rail travel. According to the invention, the rail chassis comprises at least one end piece which carries one of the rail axles and is mounted on the center piece so as to be rotatable about a pendulum axis running parallel to a longitudinal axis of the undercarriage in order to compensate for unevenness during rail travel by means of a pendulum movement of the rail axis.The end piece is mounted on the center piece via a first pivot bearing and a second pivot bearing spaced apart from the first pivot bearing along the pendulum axis. The invention further relates to a rail bogie for a road-rail vehicle according to the invention.

The invention discloses a four-rotor flying vehicle with flying and crawling functions and a control method thereof, and belongs to the technical field of four-rotor flying vehicles, the four-rotor flying vehicle comprises a rack, the rack is provided with an auxiliary control unit, a core control unit, a power unit and an image acquisition and transmission unit, the auxiliary control unit is used for receiving signals sent by a remote controller, and the core control unit is used for controlling the power unit and the image acquisition and transmission unit; the core control unit is in signal connection with the auxiliary control unit, the core control unit is used for receiving PPM signals generated by the auxiliary control unit and obtaining position data, the power unit is in signal connection with the auxiliary control unit and the core control unit, and the power unit comprises a wall climbing power module and a flight power module. And the image acquisition and transmission unit is in signal connection with the auxiliary control unit and is used for acquiring an environment image and transmitting the environment image to the auxiliary control unit. The quadrotor flying vehicle has the flying and crawling effects.

A rail gear assembly includes a base, a first wheel arm, and a second wheel arm. The rail gear assembly may include actuators that move the first wheel arm and second wheel arm between retracted positions and extended positions. The actuators may permit adjustment of the first wheel arm and the second wheel arm in their respective extended positions such that a net adjustment of the first wheel arm and the second wheel arm with respect to the base is approximately zero.

The invention relates to the technical field of rail transit, in particular to a bogie device highway-railway dual-purpose shunting locomotive which comprises an on-rail bogie and an off-rail bogie, the on-rail bogie is connected with a first wheel set, the off-rail bogie is connected with a second wheel set, the off-rail bogie is connected with a lifting driving structure, the first wheel set is connected with a first driving device, and the second wheel set is connected with a second driving device. The on-orbit bogie comprises a main force bearing structure, the main force bearing structure comprises a supporting seat arranged in the middle of the on-orbit bogie, the upper end of the supporting seat is rotationally connected with a rotating seat, the rotating seat is used for being fixed to a vehicle frame, and the rotating seat comprises a lower force bearing seat connected with the supporting seat; the lower force bearing seat is connected with a lower connecting seat through a lower rotating force bearing piece, the lower connecting seat is matched with the frame, the lower force bearing seat is connected with an upward traction shaft, a traction sleeve matched with the traction shaft is arranged at the lower end of the frame, and the traction device can be switched on a rail and a road for use.