34results about "Propulsion parts" patented technology

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.

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.

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

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.

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.

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).

To reduce the noise radiated from the discharge piping while ensuring ease of assembly of the discharge piping. [Solution] The discharge piping 25 is constructed by connecting an upstream metal pipe 31, an upstream elastic pipe 32, an intermediate metal pipe 33, a downstream elastic pipe 34, and a downstream metal pipe 35 in the order of the direction of airflow through the discharge piping 25. The upstream metal pipe 31 is inserted into the first end of the upstream elastic pipe 32, the first end of the intermediate metal pipe 33 is inserted into the second end of the upstream elastic pipe 32, the second end of the intermediate metal pipe 33 is inserted into the first end of the downstream elastic pipe 34, and the downstream metal pipe 35 is inserted into the second end of the downstream elastic pipe 34. At least one of the upstream elastic pipe 32, the intermediate metal pipe 33, and the downstream elastic pipe 34 is bent.

To make noise transmitted to a member case flow to a vehicle body side member.SOLUTION: A member support structure for supporting a metal member case that houses electronic components on a metal vehicle-body-side member (300) includes a mount plastic (40) that has a hollow structure and is deformable, a first coupling member (upper bolt 50a) that is disposed on one end side of the mount plastic (40) and is coupled to the member case, a second coupling member (lower bolt 50b) that is disposed on the other end side of the mount plastic (40) and is coupled to the vehicle-body-side member, and a conductive expanding and contracting member (conductive spring 44) that is disposed between the first coupling member and the second coupling member and is expandable and contractible. The member case and the vehicle body side member 300 are electrically conducted.SELECTED DRAWING: Figure 3

This invention relates to the field of vehicle engineering technology and discloses a power unit for a motor vehicle auxiliary power-assisted range system. The system includes an outer wheel rim, an inner wheel rim installed inside the outer wheel rim, a power mechanism fixedly connected inside the outer wheel rim, a sealing rubber fixedly connected to the outside of the inner wheel rim, a pre-fixing mechanism fixedly connected to the left side of the sealing rubber, and a power mechanism including multiple rim stabilizers. The distal sides of each of the rim stabilizers are fixedly connected to the inside of the outer wheel rim. A pressure bladder is fixedly connected inside the outer wheel rim, a cylinder stabilizer is fixedly connected to the inner wall of the pressure bladder, and a spring is fixedly connected to the inner wall of the pressure bladder. In this invention, the tire causes the pressure bladder to periodically compress and stretch the outer wheel rim, inner wheel rim, and rim stabilizers, thereby efficiently converting gravitational potential energy into high-pressure fluid pressure energy and storing it.

The utility model discloses a spring energy storage type automobile brake energy recovery device, which relates to the technical field of automobile safety and energy conservation and comprises a push rod, the push rod penetrates through and is in sliding connection with an energy storage shell, one end of the push rod is fixedly connected with a push plate, and the side wall of the push plate is fixedly connected with a first spring. The end, away from the first spring, of the push plate is fixedly connected with a second spring. And by arranging a push rod, a push plate, a first spring and a second spring, kinetic energy which is originally wasted in a heat energy form can be converted into elastic potential energy of the springs to be stored. When the automobile is restarted or accelerated, the stored energy can be released to assist in driving, so that dependence on main energy supply systems such as an engine or a battery is reduced, and the utilization efficiency of energy is remarkably improved.

To prevent breakage of a fuel cell case.SOLUTION: The fuel cell case houses a large number of fuel cells 10 inside. A case main body 12 assembled by joining a lower end of an upper case side 12a and an upper end of a lower case side 12b at a joining portion 14, and a protector 20 including an upper fastening portion side 12a fastened to an outer surface of the upper case side 20a, a lower fastening portion side 12b fastened to an outer surface of the lower case side 20b, and a bulging portion side 20c located between the upper fastening portion and the lower fastening portion and covering the joining portion 14 at an interval from the joining portion 14, A portion of the upper case side 20a to which the upper fastening portion side 12a is fastened and a portion of the lower case side 20b to which the lower fastening portion side 12b is fastened may be thicker than other portions.SELECTED DRAWING: Figure 2

The invention relates to the technical field of robots, and discloses a wheel type tree climbing and pruning robot and a control method thereof.The robot comprises a robot body, and a driving wheel assembly and a supporting wheel assembly are installed on the outer wall of the robot body; the outer wall of the hydraulic driving module is mounted on one side of the robot body; the outer wall of the pressure feedback module is mounted in the supporting wheel assembly; the outer wall of the control unit is mounted in the robot body; the lower surface of the laser radar module is mounted on the upper surface of the supporting wheel assembly; the outer wall of the three-dimensional modeling module is mounted in the robot body; a pruning execution device; and an energy module. Through a hydraulic driving system and a pressure feedback mechanism, the attaching force between the supporting wheels and the tree trunk can be adjusted in real time, it is ensured that the robot stably moves on the complex surface of the tree trunk, and the problems of unstable attaching and insufficient control precision are solved.

This invention discloses a tire-type rock-loading machine with tire-assisted cornering steering, relating to the field of rock-loading machine technology and its steering drive control technology. It includes a rock-loading machine body with a pneumatic walking unit comprising a front drive axle housing and a rear drive axle housing. The front drive axle housing is fixedly mounted on the front bottom of the rock-loading machine body, and the rear drive axle housing is mounted on the rear bottom of the rock-loading machine body via a rear-drive rotating device. It also includes a steering drive device, which is a power output component capable of providing linear driving force. The fixed end of the steering drive device is connected to the front drive axle housing, and the telescopic end of the steering drive device is hinged to the rear drive axle housing. This invention, through its front-rear split design and rear-axle steering structure, achieves a smaller turning radius, making the steering operation of the rock-loading machine more flexible.

The invention belongs to the field of transport vehicles, and discloses a wheel-track dual-purpose transport vehicle and a walking hydraulic system thereof, the walking hydraulic system comprises a hydraulic pump set, and the hydraulic pump set comprises a left pump and a right pump which are mutually independent; the wheel type running driving motor comprises a left wheel side motor driven by a left pump and a right wheel side motor driven by a right pump, and the left wheel side motor and the right wheel side motor are arranged at the two ends of a front axle and / or the two ends of a rear axle of the wheel-track dual-purpose transport vehicle respectively. The wheel-track dual-purpose transport vehicle can adapt to material transportation in a multi-working-condition environment, solves the problem of differential speed between turning wheels of the vehicle, ensures that normal use of the vehicle is not affected by slipping of tires on one side, also solves the problem that track steering cannot be effectively controlled, and also avoids the situation that when wheel type driving is switched, a motor speed reducer downwards swings, and the vehicle is damaged. Therefore, the problems that the pipeline and the motor are damaged easily due to insufficient ground clearance of the pipeline and the motor are solved, and the safety and the operation convenience of the vehicle are improved.

The wheeled robot driven based on the corona discharge effect and the electrostatic effect comprises a cylindrical rotor frame (8) and vehicle frames (2), the vehicle frames (2) are arranged at the two ends of the rotor frame (8) in a clamped mode, and front wheels (6) and rear wheels (1) in pairs are arranged on the front portions and the rear portions of the vehicle frames (2) correspondingly; a rectangular frame formed by two transverse frames and two longitudinal frames of the frame (2) clamps the rotor frame (8), gaps exist between the two transverse frames and the rotor frame (8), and the two longitudinal frames clamp the two ends of the rotor frame (8); needle-shaped sharp tungsten needle electrodes (7) are inserted into the two transverse frames; and the side surface of the rotor frame (8) is provided with a thin film (13) made of a polymer dielectric material. Corona is generated through kilovolt high-voltage static electricity, charged ions are transferred through the generated corona between the electrode and the rotor, under the same power, the voltage is greatly improved, the current is greatly reduced, then the loss is greatly reduced, and the purpose of almost no heating is achieved.

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; the parking apron is movably mounted at the top end of the platform main body; and the ultrasonic power mechanism is connected between the platform main body and the parking apron and is used for driving the parking apron to do horizontal movement and lifting movement relative to the platform main body. The ultrasonic power mechanism comprises a horizontal ultrasonic driving assembly and a vertical ultrasonic driving assembly which are matched with each other, the horizontal ultrasonic driving assembly drives the vertical ultrasonic driving assembly to move in the horizontal direction, and the vertical ultrasonic driving assembly stretches out and draws back in the vertical direction. The unmanned aerial vehicle take-off and landing platform has the advantages of being simple in structure, high in response speed, stable in driving force and the like, and accurate control over a parking apron in a complex environment can be achieved.

The invention belongs to the technical field of robots, and discloses an on-line programmable high transient power modular bistable driver and application, the on-line programmable high transient power modular bistable driver comprises a bottom plate, the middle part of the bottom plate is provided with a guide cylinder; the bottoms of the two elastic plates are fixed to the two side ends of the bottom plate respectively; the telescopic air pipe is connected between the two elastic plates, and the energy potential barrier of the bistable structure can be programmed by programming the air pressure of the telescopic air pipe on line; the number of the connecting side plates is two, and one ends of the connecting side plates are hinged to the tops of the two elastic plates correspondingly; the two sides of the pushing plate are hinged to the other ends of the two connecting side plates respectively; and the pushing electric push rod is of a cylindrical structure and is fixed to the pushing plate, and a cylindrical shell of the pushing electric push rod is connected with the guide cylinder in a sliding and inserted mode. The driver has adjustable transient bursting power, and breaks through the limitation that the driving performance and transient power of most of bistable structures cannot be changed in the past.

The invention belongs to the technical field of energy recovery of new energy vehicles, and particularly relates to a self-charging method for a new energy vehicle in the running process and a charging system. The system comprises a motor, a gear A, a gear B, a first chain, a second chain, supporting columns, rotating shafts, springs and tires. The front end of the motor is provided with the gear B, and the front end of the gear B is provided with the gear A; the lower ends of the chains are supported by supporting columns which are connected with springs and tires through rotating shafts. The motor is tightly connected with the gear A and the gear B, works cooperatively and transmits power efficiently. The gear A and the gear B adopt a mechanism similar to a bicycle one-way flywheel, so that one-way transmission of power is ensured, and recoil is avoided. The tires generate power through gravity and jolt in the running process, overturning energy in the vertical direction is converted into rotating mechanical energy through a rotating shaft, a supporting column and a chain system, finally, a motor is driven to generate electricity, and self-charging in the vehicle running process is achieved. The system is stable in structure and can adapt to different road conditions, and the energy utilization efficiency is effectively improved.

The application discloses a kind of magnetic drive robots of imitation Mexican jumping beans, which is double-shell structure, including shell, inner shell, support, magnetic fluid, attitude adjustment electromagnet, jumping module, functional module and control module;The shell imitates the shape of Mexican jumping beans, the inner shell is spherical, the center of gravity is below the ball center, the shell supports the inner shell through the support, and the inner shell has three degrees of freedom;Three attitude adjustment electromagnets are evenly distributed on the inner wall of the lower hemisphere of the inner shell, and the three attitude adjustment electromagnets are on the same horizontal plane;Magnetic fluid is arranged between the shell and the inner shell, the jumping module is fixed at both ends in the inner shell and passes through the ball center of the inner shell;The functional module is arranged on the outer layer, and the control module is arranged in the inner shell, and the attitude adjustment electromagnet and the jumping module are controlled by receiving the functional module signal to realize the attitude adjustment and jumping of the magnetic drive robot respectively, and after power off, the inner shell returns to the initial state.The invention jumps more flexible, controllable and has good attitude stability.