69results about "Propulsion parts" patented technology

To monitor the fuel supply status from a fuel tank to a fuel cell in a work vehicle.SOLUTION: A work vehicle is equipped with a fuel cell, a fuel tank that stores fuel to be supplied to the fuel cell, a detection device that detects the state of fuel released from the fuel tank, and a control device, and the control device calculates the amount of fuel released based on the state of the fuel detected by the detection device and the amount of fuel consumed in the fuel cell.SELECTED DRAWING: Figure 4

To provide a work vehicle which includes a case housing a tank and discharges hydrogen leaking into the case to the outside of the case without fail.SOLUTION: A work vehicle 1 comprises: a vehicle body 11; a fuel battery 24 that generates electric power using, as fuel, hydrogen; a tank 13 that stores hydrogen; a case 211 that houses the tank 13; and a ventilation device 50 including a fan 51 which allows air in the case 211 to flow outside.SELECTED DRAWING: Figure 5

To inhibit diffusion of a fuel of a gas leaking from a pipe to the outside in a work vehicle including the pipe connected to a tank.SOLUTION: A work vehicle 1 comprises: a vehicle body 11; a fuel battery 24 that generates electric power using hydrogen as fuel of a gas; a tank 13 that stores hydrogen; a pipe 22 which is connected to the tank 13 and through which hydrogen can pass; and a first outer tube 231 and a second outer tube 232 that cover at least a portion of the outer side of the pipe 22.SELECTED DRAWING: Figure 4

To provide a work vehicle capable of preferably supporting a tank mounting frame on a vehicle body.SOLUTION: A work vehicle according to one embodiment of the disclosure comprises a vehicle body, a fuel battery attached to the vehicle body, a tank which supplies hydrogen to the fuel battery; a mounting frame supporting the tank; a cabin forming a partitioned operator cab; and a support mechanism for supporting the cabin on the vehicle body. The support mechanism further supports the mounting frame.SELECTED DRAWING: Figure 5

To inhibit increase in size of a work vehicle including a fuel battery.SOLUTION: A work vehicle comprises: a motor; a work device configured to be operated by power of the motor; a vehicle body having a support supporting a transmission shaft which transmits power from the motor to the work device, and a pair of vertical frames which are connected to the front side of the support and disposed spaced apart from each other in a vehicle width direction; an electric device including a battery unit which accumulates electric power supplied to the motor; a fuel battery which is provided on the upper side of the pair of vertical frames and generates electric power accumulated in the battery unit; an auxiliary machine added to the fuel battery; and an engine hood which covers the fuel battery. At least one of the electric device and the auxiliary machine is disposed between the pair of vertical frames.SELECTED DRAWING: Figure 9

In order to solve the problem that the gravity of the existing moving automobile cannot be converted into the traction force of the automobile, the automobile gravity conversion device comprises hubs of symmetrical baffles which are connected on the circumferential cambered surface, and two semicircular inner tubes which are not communicated with each other in air pressure, and the two semicircular inner tubes are respectively communicated with an air cylinder; the two air cylinders are symmetrically and oppositely arranged and fixedly installed in the hub, pistons in the two air cylinders share a rack connecting rod and are meshed with a sector tooth swing rod with a rotating point fixedly installed on the hub, the sector tooth swing rod is hinged to a connecting rod, the connecting rod is hinged to an L-shaped rotating rod, the rotating point is assembled on the bottom face of the hub, the L-shaped rotating rod penetrates through the hub, and a gear is fixedly installed at the inner end of the L-shaped rotating rod. Therefore, the two half inner tubes alternately and indirectly touch the ground due to rotation to generate'air pressure difference ', and a piston in the cylinder reciprocates to be linked with a gear for transmission, so as to assist the running of an automobile in advance of the power of an engine.

To provide a work vehicle which enables work of an electric system to be performed efficiently.SOLUTION: A work vehicle includes: a vehicle body; a fuel battery mounted on the vehicle body; a battery unit which stores electric power generated by the fuel battery; a motor which is mounted on the vehicle body and driven by electric power stored in the battery unit; a device case disposed on the battery unit; and a cover which covers the device case.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of AGV equipment, and particularly relates to an AGV logistics transfer device which comprises an AGV main vehicle body, a hydraulic lifting system, an energy recovery part and a clutch part. The energy recovery part comprises a hydraulic motor, a generator and an energy storage battery; the clutch part comprises an assembly part which is arranged on the output shaft of the hydraulic motor in a sliding manner; the fixed sleeve is fixedly connected to an input shaft of the generator; the hydraulic motor is arranged to convert gravitational potential energy generated in the hydraulic lifting system into mechanical energy, the mechanical energy is transmitted to the power generator and converted into electric energy to be stored, and the stored electric energy can be used for supplying power to the AGV, so that the function of recycling the gravitational potential energy wasted in a traditional hydraulic system is achieved, the situation of energy waste is improved, and the working efficiency is improved. And in a high-load and high-frequency operation scene, the charging frequency of the AGV is reduced, so that the working efficiency is improved, and the energy utilization rate and the economical efficiency of the AGV can be improved more remarkably.

The present invention discloses a compound quadruped locomotion method for a purely pneumatically driven quadruped robot, including a compound Walk gait and a compound Trot gait. The compound Walk gait involves the robot bending and extending its body as it steps, moving an additional distance equal to the length of the body's inflation. The compound Trot gait involves the robot bending from the left to the right, undergoing three stages: bending, full extension, and bending. The robot's pneumatic trunk assembly simulates the trunk of a quadruped reptile, while the robot's leg assembly simulates the quadruped's two-degree-of-freedom legs, thereby mimicking the trunk and leg structures of amphibians to a significant degree.

The objective is to provide a piping structure for fuel cell systems that can achieve both reduced piping vibration and improved ease of assembly of piping groups. [Solution] In a piping structure for a fuel cell system comprising a fuel cell stack that generates electrical energy by reacting hydrogen gas and oxygen, an air supply unit that supplies air to the fuel cell stack, and a group of air piping connecting the air supply unit and the fuel cell stack, the group of air piping comprises an upstream pipe installed on the air supply unit side, a downstream pipe installed on the fuel cell stack side, and an intermediate pipe connected to the upstream and downstream pipes, wherein the upstream and downstream pipes are non-flexible pipes with greater rigidity than the intermediate pipe, and the intermediate pipe comprises a flexible first vibration damping hose connected to the upstream pipe, and the total length of the non-flexible pipes in the group of air piping is greater than the length of the first vibration damping hose.

This work machine comprises: a fuel cell; an electric motor driven by electric power generated by the fuel cell; and a drain pipe line that is connected to the fuel cell and drains generated water generated by the fuel cell. The drain pipe line has a first drain pipe line and a second drain pipe line that guide the generated water to the outside. The first drain pipe line and the second drain pipe line are disposed so as to extend from the fuel cell to mutually opposite sides.

To cool an inverter or a motor while suppressing an increase in vehicle weight.SOLUTION: This invention relates to a fuel supply system for a vehicle including a power source that generates power by using hydrogen as fuel and an inverter that controls a motor. The fuel supply system includes a first tank, first piping, second piping, and a first supply section. The first tank stores hydrogen. The first piping connects the first tank and the first supply section and includes a first cooling section that cools the inverter by using hydrogen passing through inside of the first piping and / or a second cooling section that cools the motor by using hydrogen passing through inside of the first piping. The first supply section supplies hydrogen to the power source. The second piping is connected to the first tank, and is connected to the first piping downstream of the first cooling section and the second cooling section.SELECTED DRAWING: Figure 2

The invention provides an unmanned aerial vehicle take-off and landing platform, and relates to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle take-off and landing platform comprises a platform body which comprises a supporting body and a moving assembly, and the moving assembly is connected to the bottom of the supporting body and drives the supporting body to move; the parking apron is movably mounted at the top end of the platform main body; the platform ultrasonic power mechanism is connected between the supporting body and the moving assembly and used for driving the moving assembly to move; the parking apron ultrasonic power mechanism is connected between the platform body and the parking apron and used for driving the parking apron to move relative to the platform body. The unmanned aerial vehicle take-off and landing platform provided by the invention has the advantages of high precision and quick response, and the positioning precision, the motion stability and the space adaptability of the unmanned aerial vehicle take-off and landing platform in a complex indoor environment are remarkably improved.

To provide a fuel cell module which can realize weight saving.SOLUTION: A fuel cell module comprises: a fuel cell stack; an auxiliary machine assembly with an air compressor; and a frame member which supports them. The frame member includes: a pair of side members which extends in a first direction where the fuel cell stack and the auxiliary machine assembly are arrayed; a pair of cross members which extends along a second direction orthogonal to the first direction, are arrayed to be a rectangular shape with the pair of side members, and are shorter than the pair of side members; and four connection members which connect the pair of side members with the pair of cross members where the pair of side members and the pair of cross members are arrayed in the rectangular shape. The fuel cell stack is fixed to the pair of side members respectively and fixed to one of the pair of cross members or the connection members connected thereto. The auxiliary machine assembly is fixed to the pair of side members respectively and fixed to the other of the pair of cross members or the connection member connected thereto.SELECTED DRAWING: Figure 1

To provide a fuel cell vehicle which enables improvement of protection performance for a fuel tank against an impact caused by a rear-end collision.SOLUTION: A fuel cell vehicle 1 includes: a fuel cell 15; a plurality of fuel tanks 17 for storing a fuel gas of the fuel cell 15; a dilution device 19 which is disposed at the vehicle rear relative to the fuel tanks 17, spaced apart from the fuel tanks 17 and dilutes the fuel gas discharged from the fuel cell 15 with air; and a housing part 13 which is provided at the vehicle rear and houses the fuel cell 15, the fuel tanks 17, and the dilution device 19. The housing part 13 has a protection frame 53 provided between one of the fuel tanks 17 and the dilution device 19.SELECTED DRAWING: Figure 2

The invention discloses a patch type piezoelectric driving double-shaft output mobile robot and a working method thereof.The patch type piezoelectric driving double-shaft output mobile robot comprises a patch type hole digging stator, a pre-pressure applying mechanism, a driving wheel unit, a first output shaft unit, a second output shaft unit, a robot base body frame and a connecting plate, and a clamping mechanism is not arranged on a patch type hole digging stator base body; the single pin of the pre-pressure applying mechanism and the through hole in the middle of the stator are only used for restraining, multi-angle rolling transmission of contact force is achieved under the condition of matching of the pin hole, and then pre-pressure transmitted by the pre-pressure applying mechanism is applied to the stator. Force balance is achieved under the counter-acting force of contact between a first drive foot and a second drive foot of the patch type hole digging stator and the curved surface of an output shaft, the elliptic motion trail of the stator drive feet can be controlled by controlling the phase difference of electric signals of the longitudinal vibration piezoelectric ceramic set and the bending vibration piezoelectric ceramic set, and through friction contact, the linear motion trail of the stator drive feet can be controlled. The first output shaft and the second output shaft can move in the forward direction and the reverse direction, and the mobile robot can move forwards, backwards and quickly lock.

The sail (5) for a kite (4) of a device (3) for pulling along a floating craft or a rolling and / or sliding land vehicle, in particular a flexible sail (5) with boxes, in particular with open or closed boxes, or with a simple skin, or with double surfaces, has cords or bridles which distribute a pulling force across a plurality of points attached to the lower surface of the sail. The sail extends over a length l. The sail (5) has retaining points (210) intended to cooperate with a launching line (20) to facilitate launching of the sail (5).

The invention relates to a land leveler front-drive control system and method, in the land leveler front-drive control system, a land leveler comprises an engine, a torque converter and a gearbox; the front-drive control system comprises a controller, a front-drive pump and a front-drive motor, the controller is used for receiving data signals, analyzing and calculating the data signals and then outputting control signals, and a rotating speed sensor is arranged on the gearbox and used for detecting the rotating speed of a torque converter turbine and calculating the rotating speed of rear wheels; a motor rotating speed sensor is arranged on the front drive motor and is used for sensing the rotating speed of the front drive motor and transmitting a data signal to the controller; the controller is connected with the front-drive pump and the front-drive motor and used for controlling the displacement of the front-drive pump and the front-drive motor, the hydraulic driving change is responded, the pressure of the front-drive hydraulic system is controlled according to the driving force of the rear wheel driven by the hydraulic power, the driving force of the front wheel and the rear wheel are kept in an adaptive relation, and the driving force of the front wheel and the driving force of the rear wheel are adjusted. And better driving performance is provided.

The difference in load distribution across the rubber mounts positioned in the front-to-back direction is minimized as much as possible. [Solution] A fuel cell stack mounting structure in which a mounting frame 23 is fastened to a vehicle body frame 22, and a fuel cell stack 21 is fastened to the mounting frame 23 via rubber mounts 24f and 24r.

A work vehicle includes: a vehicle body; a fuel cell installed on the vehicle body; a driver's seat installed on the vehicle body aligning with the fuel cell in a horizontal direction; and an electrical component disposed between the fuel cell and the driver's seat in the horizontal direction.

The utility model discloses a pneumatic power device for a roadway repairing machine, which comprises a roadway repairing machine body, a power box is arranged at the rear end of the roadway repairing machine body, an air source pipe is arranged on the side face of the power box, and the other end of the air source pipe is connected with a pneumatic source. The pneumatic source comprises an air compressor, an after-cooler is arranged at the output end of the air compressor, an air tank is arranged at the output end of the after-cooler, and a filter is installed on the side face of the air tank. Compressed air treated by the device enters the silencing pipe in the power box through the electromagnetic valve, the air inlet channel and the silencing bowl in the silencing pipe are used for guiding and silencing airflow, meanwhile, the silencing cotton is used for absorbing and dispersing sound waves, and the compressed air subjected to silencing treatment enters the flow dividing mechanism and then enters the power box. Opening, closing and flow of the flow dividing pipes are accurately controlled through the controller, and compressed air is distributed to all working parts of the roadway repairing machine.

The utility model provides an underground auxiliary moving device, which comprises a vehicle body, an auxiliary moving device, an auxiliary moving device and an auxiliary moving device, the distance measuring mechanism is arranged on the side, facing the moving equipment, of the carriage, the distance measuring mechanism comprises a traction rope and a displacement sensor, the traction rope is arranged between the displacement sensor and the moving equipment and extends in the horizontal direction, and the displacement sensor can detect the displacement amount of the traction rope so as to detect the distance between the vehicle body and the moving equipment; the energy supply mechanism is arranged in the cavity and comprises a battery pack and a hydraulic system, the battery pack is electrically connected with the hydraulic system, the hydraulic system is provided with a first hydraulic pipeline, the hydraulic system is in driving connection with the moving equipment through the first hydraulic pipeline, and the battery pack can be electrically connected with the moving equipment so as to supply power to the moving equipment. By means of the technical scheme, the problem that in the prior art, underground equipment is low in moving efficiency can be solved.

The present disclosure provides a heavy-duty wheel mechanism and a heavy-duty AGV. A first oil passing gap and a second oil passing gap are provided between the lower rotating head of the heavy-duty wheel mechanism and the inner wall of the rotating hole. The upper rotating head is provided with a first oil delivery channel and a fourth oil delivery channel, and the lower rotating head is provided with a second oil delivery channel and a third oil delivery channel. The first oil delivery channel communicates with the second oil delivery channel through the first oil passing gap to form a first oil path, and the fourth oil delivery channel communicates with the third oil delivery channel through the second oil passing gap to form a second oil path. The first oil delivery channel is used to communicate with the first hydraulic oil end of the hydraulic station, and the fourth oil delivery channel is used to communicate with the second hydraulic oil end of the hydraulic station. The hydraulic drive end of the hydraulic drive motor is respectively communicated with the second oil delivery channel and the third oil delivery channel, so that the circulation of the hydraulic oil of the hydraulic drive motor can be realized through the first oil path and the second oil path, so that the heavy-duty wheel mechanism can generate a large torque, has a strong load-bearing capacity and high transportation efficiency.

This work vehicle includes a vehicle body, a fuel cell mounted to the vehicle body, a driver seat mounted to the vehicle body side by side with the fuel cell in a horizontal direction, and an electrical component disposed between the fuel cell and the driver seat in the horizontal direction.

The invention relates to the field of sound-driven mobile robots, in particular to a sound-driven method for all-region obstacle crossing rolling wheels. The invention discloses an all-region obstacle crossing rolling wheel sound driving method. The method comprises the following steps that 1, the mechanical resonant frequency of a rolling wheel device working in a required radial vibration mode is determined; 2, a rolling wheel device is built, and excitation signals are applied to the piezoelectric plate 1 # and the piezoelectric plate 2 # at the same time; 3, analyzing the vibration displacement of the rolling wheel and converting the vibration displacement into a traveling wave form; 4, determining an optimal phase difference; and 5, driving the rolling wheel to move. The problems that a sound-driven mobile robot is insufficient in obstacle crossing ability, low in driving efficiency and complex in structure and control can be solved.

A work vehicle 10 has a vehicle body 11, a fuel cell 24, a tank 13 for storing hydrogen gas to be supplied to the fuel cell 24, and a mounting frame 17 for mounting the tank 13 on the vehicle body 11. The vehicle body 11 has a support section located on both sides of the vehicle in the width direction. The mounting frame 17 has an upper frame section 171 that supports the tank 13 and a frame section provided extending upward from the support section and supporting the upper frame section 171 on both sides of the vehicle in the width direction.

An electric flat spiral spring energy storage device comprises a motor and an energy conversion and energy storage device which are connected through the motor. The energy conversion is realized by connecting a motor with a conversion wheel / gear through a belt, a gear or a force transmission shaft, and the energy storage device is arranged in a gear disc box by one or more groups of flat spiral springs and is laminated and connected by a fixed shaft. Relates to the field of energy, in particular to the field of energy conversion and energy storage, in particular to energy conversion and energy storage of electric vehicles and new energy vehicles. The electric flat spiral spring energy storage device is used for replacing a lithium battery so as to prevent spontaneous combustion and spontaneous explosion of the lithium battery from causing negative effects on vehicle safety and traffic.

The utility model relates to an emergency evacuation structure for an airport special vehicle, and relates to the technical field of airport special vehicles. The emergency evacuation structure comprises a mounting base, a hand brake assembly, a rotating shaft rotationally arranged on the mounting base, a driving piece used for driving the rotating shaft to rotate and a driven gear connected with a transmission shaft of the special vehicle. A driving gear is in circumferential limiting and axial sliding connection with the rotating shaft, a shifting fork is arranged at one end of the mounting base in a sliding mode, and one end of the shifting fork is connected with the driving gear and can drive the driving gear to be meshed with the driven gear; the hand brake assembly is connected with the shifting fork through a pull rope and used for driving the shifting fork to move, and an elastic reset piece used for driving the shifting fork to reset is further arranged on the installation base. The emergency evacuation function is achieved through mechanical transmission, the airport special vehicle emergency evacuation device has the advantages of being easy and convenient to operate, high in reliability and compact in structure, the evacuation efficiency and safety of airport special vehicles under the emergency condition are remarkably improved, cost is low, and installation is convenient.

The problem is to make it possible to easily manage, maintain, store, replace, take out or take in the hydrogen container. [Solution] A trailer house (1) comprises a carriage (2), a house (10) mounted on the carriage (2), a door (25) attached to an exterior wall (12) of the house (10), and a shelf (30) arranged inside the house (10) near the exterior wall (12). The shelf (30) has shelves (37) and partitions (39) arranged in a lattice pattern, and a plurality of storage cells (40) for storing hydrogen containers, which are divided by the shelves (37) and the partitions (39) and are arranged in a lattice pattern. The plurality of storage cells (40) are arranged in front of the door (25) inside the house (10), and the plurality of storage cells (40) open toward the door (25) and also open away from the door (25).

The utility model discloses a front cabin support, a thermoelectric hybrid power system and a vehicle. A front cabin support belongs to the technical field of vehicles and comprises a fixing plate, a supporting leg and a valve support, the fixing plate is provided with an avoiding through hole for avoiding a pipeline, the fixing plate is provided with a fixing face and a connecting face which are opposite, the fixing face is suitable for fixing a hydrogen fuel cell, one end of the supporting leg is connected with the connecting face, and the other end of the supporting leg is suitable for being connected with a hydrogen power assembly. The valve support is fixedly connected with the connecting face, the valve support is suitable for fixing a valve body of the hydrogen power assembly, the hydrogen fuel cell can be fixedly installed on the hydrogen power assembly through the front cabin support to form a whole, the hydrogen fuel cell and the hydrogen power assembly can be integrally arranged in a front cabin, and an avoiding through hole is formed in the fixing plate. The pipeline can penetrate through the fixing plate through the avoiding through hole to be connected with the hydrogen fuel cell, the length of the pipeline can be shortened, the arrangement space, occupied by the pipeline, in the front cabin is reduced, and the hydrogen power assembly and the hydrogen fuel cell can be arranged in the front cabin conveniently.