661results about How to "Achieve steering" patented technology

The invention discloses an personal hanging type double-rail and double-power automatic control light rail traffic system which comprises a rail system, rail vehicle power systems, a rail vehicle traffic network control system, a rail vehicle compartment system, a rail vehicle power supply system and a rail vehicle stop station system. The rail system of the personal hanging type double-rail and double-power automatic control light rail traffic system is provided with a left side straight rail line and a right side turning rail line which are in parallel but are different in top face level, and the two power systems of a left side straight rail drive device and a right side turning rail drive device are separately arranged above two rails. The relative distance between the turning drive device and the turning rail is changed through a lifting device, and meanwhile, under the effect of a change of the relative level between the straight rail and the turning rail, switching of a rail vehicle between the left side straight rail and the right side turning rail is achieved. According to the personal hanging type double-rail and double-power automatic control light rail traffic system, a central computer control system is used in cooperation, automatic control is achieved, and the rail vehicle autonomously travels, so that a PRT concept is truly converted into an application technology for serving lives of people.

The invention provides a loading machine and a loading system. The loading machine comprises a traveling mechanism, a container arranging mechanism, a stacking mechanism and a lifting platform mechanism, wherein the traveling mechanism moves in a motion area and is used for the moving of the loading machine and the position adjustment in the motion area; the container arranging mechanism is arranged on the traveling mechanism, and used for sorting cargos and arranging containers; the stacking mechanism is arranged on the traveling mechanism, connected with the container arranging mechanism, and used for pushing the cargos sorted by the container arranging mechanism to the next working station; and the lifting platform mechanism is arranged on the traveling mechanism and used for moving the cargos pushed by the stacking mechanism. By adoption of the loading machine provided by the invention, cargos placed at an angle of 0-90 degrees can be sorted, thereby improving the working efficiency; the loading machine is high in applicability and capable of loading cargos of more structure sizes, needs not be customized and developed according to the sizes of cargos, and then is low in cost; furthermore, the problem that through a conventional loading machine, cargos cannot be turned to other directions and stacked in a cross manner is well solved, and the collapse of cargos is prevented; and the degree of automation is high and the operation is convenient.

The invention discloses a GPS (global positioning system) navigation based intelligent feeding and spraying system and device, and belongs to the field of aquaculture equipment. A main controller receives a task and an instruction inputted by a man-machine interaction subsystem, and controls a feed subsystem to execute feed action; the feed subsystem feeds back feed information to the main controller, and the feed information is displayed to the man-machine interaction subsystem; a hull controller receives hull movement information inputted by a hull and a movement subsystem and controls the hull to move, and a feeding (spraying) subsystem executes feeding (spraying) action under an instruction of the hull controller; the feeding (spraying) subsystem feeds back feeding (spraying) information to the hall controller; the main controller and the hull controller are wirelessly connected through a communication subsystem. Labor intensity of aquaculture farmers is lowered greatly, accurate feeding of feed and uniform spraying of medicine are realized, use efficiency of the feed and medicine is improved, impact of aquaculture on the environment is reduced, and the system and device is particularly applicable aquaculture of shrimps and crabs.

The invention discloses a multiple-motion spherical robot, which comprises two hemi-spherical casings and a screw extender for unfolding or folding the two hemi-spherical casings, wherein the screw extender comprises a fixed support, a driving element and two extender groups, the driving element is mounted at the middle of the fixed support, the two extender groups are respectively mounted at two ends of the fixed support, one end of each extender group is connected with the driving element while another end is provided with a driving motor for rotating the hemi-spherical casing. The invention has three motion states as spherical state, two-wheel state, and jump state, with easy carriage, transmission and arrangement, to move on complex landforms.

The invention discloses an electric self-balancing double-wheel scooter. Posture balance control is performed to the scooter by the dynamic balance principle, a scooter balance control module outputs a scooter balance control signal, a speed control module outputs a scooter speed control signal, and the scooter balance control signal and the scooter speed control signal are output to a motor driving circuit through a PWM (Pulse-Width Modulation) interface circuit after signal superposition by a signal superposition module, so that the scooter runs in a self-balancing manner and a driver can safely run; and a steering control module is arranged to control the steering operation of the scooter, an infrared receiving module in the steering control module is used for receiving a steering control signal sent by a wireless remote controller, and the steering control signal received by the infrared receiving module is sent to a motor differentiating control unit which outputs a left motor differentiating control pressure signal and a right motor differentiating control pressure signal according to the steering control signal correspondingly, so that a left motor and a right motor can rotate in mutually-opposite directions and the steering of the scooter is realized.

The invention relates to a four-foot robot working space track generating method based on the certified program generator (CPG) mechanism. The method comprises the following steps: four CPG units distributed at four foot ends of a robot being utilized to be mutually coupled to constitute a CPG network capable of generating periodical output wave-shaped signals; obtaining a working space track of the robot after conducting dimension expansion and functional transformation on the periodical output signals by utilization of a designed mapping function; benefiting from rich dynamic characteristics of the CPG network so that the on-line generated working space track can be modulated based on CPG parameters and has certain adaptability; and designing a motion engine system to map the working space track to a joint space of the robot so as to control freedom degree of all joints of the robot and realize control of walking with certain adaptability. According to the method, bionic mechanism simulation is conducted based on the tail end rail of the robot. Compared with the prior art, the method has the advantages of improving environment adaptability and robustness of robot walking, and the like.

The invention discloses a carbon-free self-propelled trolley with a reversing function. A four-connecting-rod mechanism and a joint bearing part are used to accurately control swing of a guide wheel fork so as to realize turning of a guide wheel, small torque and abrasion and accurate swing are achieved. Four rail rods are used to limit swing of a counter weight, so that tilting of the trolley during turning and coming up and down a slope can be avoided effectively. The carbon-free self-propelled trolley is driven to move by converting gravitational potential energy into kinetic energy, no fuel or electric energy is needed, no greenhouse effect gases such as carbon dioxide are emitted, and the carbon-free self-propelled trolley is low-carbon, environmental friendly, and simple to use. An operator can reverse a trolley drive wheel to hang a heavy object, namely converting mechanical energy into gravitational potential energy. The carbon-free self-propelled trolley can be used as physics demonstration experiment equipment for primary schools and middle schools, and students are allowed to better understand experiment energy conversion and application through specific instances.

A straight foldable wing of a flapping-wing aircraft belonging to the field of flapping-wing aircraft technology comprises a coating and wing frameworks. The wing frameworks are distributed symmetrically; the coating appearing as bat is adhered on the wing frameworks, wherein the wing frameworks respectively comprise a torsion spring structure, rod pieces and link rods; one end of the torsion spring structure is divided into five sections: a front arm section, an upper arm section, a body side section, a thigh section and a shank section; four bends, i.e. an elbow part, a shoulder part, a crotch part and a knee part, are arranged among the five sections, wherein the elbow part is the spring part of the torsion spring structure; the bending part between a wrist part and the shoulder part is the elbow part; the connection between the elbow part and the wrist is the front arm section; the connection between the elbow part and the shoulder part is the upper arm section; and the elbow part is lower than the shoulder part and the elbow part. The straight foldable wing has the beneficial effects of obtaining the foldable feature of foldable wing while preserving features of prior straight-wing, and realizing turned flying of the flapping-wing aircraft by changing area of wing and in virtue of area difference.

The invention provides a self-selective differential-steering conveying device, which comprises an upper course input mechanism (1), a differential conveying mechanism (2) and a lower course output mechanism (3) which are connected in sequence, and guide guardrails(4,4') which are arranged on both sides of the upper course input mechanism, the differential conveying mechanism and the lower course output mechanism; the distance between the two guide guardrails(4,4') is larger than the diagonal length of the conveyed materials with minimal dimension and is less than the diagonal length of the conveyed materials with maximal dimension; the differential conveying mechanism consists of two conveying mechanisms (2a, 2b) with different conveying speeds in parallel; and the conveying surface (3a) of the lower course output mechanism is a web roll conveying surface. When the conveying device conveys the materials with different outside dimensions, the conveying device does not need to be provided with detecting equipment, can automatically turn the materials with smaller dimension 90 DEG and then output the materials, and can output the materials with larger dimension without turning so as to solve the problems that the equipment investment is large, the system resource is consumed, the equipment service life is influenced, and the like.

The invention relates to a rail suspension type conveyor, which is the combination of a belt type material conveying system and a rail delivery technology, reflects the continuous conveying feature of belt type conveying and the low-energy consumption feature of the rail transport, and changes the form that carrier rollers are adopted to support a belt in the traditional belt type conveying system. In the rail suspension type conveyor, by utilizing the traditional conveying system driving and control technology, two sides of a conveying belt are respectively provided with a set of annular guide rail system, a suspension pulley block is used to suspend a suspension conveyor belt so as to provide the suspension support for the conveyor belt; a driving roller is used for driving the suspension conveyor belt to operate, and the suspension conveyor belt drags the suspension pulley block to roll and travel along an annular rail so as to realize the feeding, transshipping and unloading functions of the traditional belt type conveying system; meanwhile, the steering function of a single conveying system can be realized to improve the safety of the conveying system; all carrier rollers in the running section are cancelled, and the energy conservation effect is obvious; and the rail suspension type conveyor is particularly suitable for the long-distance transport and the conveying occasions, such as a mine laneway and the like, with greater conveying amount.

The invention discloses a hanging type tunnel disaster prevention, rescue and maintenance device which comprises a guide rail and a platform, wherein the guide rail is mounted at the top of a tunnel, and the platform is hung under a wheel and advances in the tunnel along with the wheel. The hanging type tunnel disaster prevention, rescue and maintenance device has the advantages that the guide rail is mounted at the top of the tunnel, the platform used for rescue advances along the guide rail in a hanging manner and is positioned in the air in the tunnel, and therefore the platform realizes barrier-free movement; under the situation that a fire occurs in the tunnel, even if the tunnel is blocked, the platform can also quickly reach a position waiting for rescue, personal injury and property damage are avoided, and meanwhile traffic non-blocking type daily maintenance in the tunnel can also be carried out. In addition, the invention designs an umbrella type combined nozzle which is composed of auxiliary nozzles and a main nozzle. The auxiliary nozzles spray water to isolate a fire site from the surroundings, the size of the distribution circle of the auxiliary nozzles can be adjusted, the main nozzle at the center can selectively spray gas, foam water and fire fighting water according to the fire characteristics, and therefore high-efficiency fire fighting can be realized.

The invention relates to a wheel leg bounce movable robot, wherein it uses four-wheel body, with front and back swinging wheel legs and bounce structure. The invention combines wheel structure and leg structure, to change motion mode via different conditions. Via the back swinging wheel leg, when the robot is turnover, it can return by itself. The bottom bounce structure can fly over the obstacle; the table with CCD camera is mounted in the detecting table which can lift, to expand the view sight.

The invention discloses a roller bed furnace lifting reversing mechanism which comprises a first roller bed, a first support, a lifting table and a second support, wherein the first roller bed, the first support, the lifting table and the second support are arranged in sequence, a second roller bed is arranged on one side of the lifting table, the first roller bed is perpendicular to the second roller bed, the lifting table is provided with a plurality of roller sticks which are parallel to roller sticks of the second roller bed, at least two conveying chains are arranged among the roller sticks of the lifting table, the conveying chains are parallel to the roller sticks of the second roller bed, the two ends of the conveying chains are respectively provided with a rotating shaft, the two rotating shafts are arranged on the first support and the second support respectively, a lifting driving mechanism which drives the lifting table to rise and fall is arranged on the lifting table, and the rotating shaft which is arranged on the first support is provided with a driving motor which drives the rotating shaft to rotate. The roller bed furnace lifting reversing mechanism can achieve reversing of the roller beds and is simple in structure and low in cost.

A steering system for electric car is composed of a direction indication unit for generating the direction signal, an information acquisition unit for acquiring the state values of car and converting them to electric signals, a processing-operating unit for operating said two kinds of electric signal to obtain the steering control instructions for each wheel, and a control executing unit for performing actual steering operation according to said steering control instructions.

The invention discloses a full-automatic film banknote bundling machine, which is mainly used for alignment packaging of printed matters such as banknotes, bank documents, bills and the like, and comprises a feed conveying mechanism, a stacking and steering mechanism, a primary pushing mechanism, an arranging and ejecting mechanism, a secondary pushing mechanism, a heat sealing mechanism, a discharging mechanism, a labeling mechanism and a PLC (programmable logic controller) control system. The running principle of the full-automatic film banknote bundling machine includes the steps: firstly, automatically conveying, stacking and counting banknotes in a single bundle, steering the banknotes for 180 degrees, and pushing the banknotes in ten bundles into the arranging and ejecting mechanism for arrangement and ejection by the aid of the primary pushing mechanism; then, pushing the banknotes in ten bundles into the heat sealing mechanism for heat sealing and bundling by the secondary pushing mechanism; and finally, after bundling is completed, utilizing the discharging mechanism to push banknote bundles onto a discharge conveying mechanism, and then labeling, namely, the whole process including counting, stacking, steering, arranging, bundling and labeling is completed. The full-automatic film banknote bundling machine has the advantages that the full-automatic film banknote bundling machine is high in automation level, stable in performance and high in cost performance, operating efficiency is improved and packaging material cost is reduced by the aid of the bundling mode, and the full-automatic film banknote bundling machine has extremely high professional popularization value.

The invention discloses an electric vehicle. The electric vehicle comprises a cabin, two vehicle wheels, a first pedal, a second pedal, a first sensor, a second sensor, a control system and a power source, wherein the two vehicle wheels are installed to the two sides of the cabin through axles; the first pedal and the second pedal can rotate relative to be cabin; the first sensor is used for detecting rotation information of the first pedal; the second sensor is used for detecting rotation information of the second pedal; the control system is connected with the first sensor and the second sensor and is used for controlling the two vehicle wheels to accelerate or decelerate correspondingly; the power source is installed in the cabin; and the cabin is fixedly arranged relative to the axles. By means of the electric vehicle, both hands of a user are freed during electric vehicle control, and the electric vehicle is convenient to carry at ordinary times.

The invention provides a flying display, which comprises a flying display screen 1, a mooring line 2, a ground fixing block 3 and a driver remote controller 4, wherein devices, such as a flying display screen surface 5, a transparent housing 6, a gravity center regulator 24, a gravity center regulating handle 26 and the like, are arranged on the flying display screen 1; the flying display screen surface 5 is formed inside the transparent housing 6; the transparent housing 6 is closely combined with a flying display screen soft shell 25, so as to form an airtight charging space, inside which helium 22 is filled; the gravity center regulator 24 is arranged on the gravity center regulating handle 26 which is fixed to a front support ring and a back support ring; and the gravity center regulator 24 is used for regulating the attitude of the flying display screen 1 in the air, so that the orientation of the flying display can be regulated. By adopting the prior airship technique combined with the principle of the airship technique, the effect of playing audio and video in the air can be achieved, particularly, more people can be covered by playing in a meeting place or a public square, thereby serving good advertising effect.

The invention relates to a pivot steering AGV self-walking carrier vehicle, comprising a vehicle body, and is characterized in that the vehicle body comprises a chassis and a frame, wherein a control box is arranged at the inner side of the frame above the chassis, the front end and the rear end of the chassis are provided with two universal wheels respectively, a driving wheel box is arranged below the middle part of the chassis, two coaxial driving wheels are arranged at the two sides of the driving wheel box respectively, and the two driving wheels are connected with respective independent driving mechanisms. The pivot steering AGV self-walking carrier vehicle is simple and compact in structure, the two independently driven driving wheels are arranged between driven wheels at the front end and the rear end of the vehicle body and are enabled to rotate in reverse at the same rotating speed, so that pivot steering of the carrier vehicle is realized, the vehicle body is fast steered, and the occupied space is reduced, therefore operation of steering, pick-up and unloading of the AGV self-walking carrier vehicle in a narrow channel is realized.

The invention discloses a roll-over type pineapple harvester and concretely relates to a pineapple plucking machine assisting manual work, so labor work can be greatly saved. The roll-over type pineapple harvester comprises a plucking component, a collection component, an elevating component, a power transmission component and supporting components, wherein the plucking component is formed by a scraping plate and a separation rack; with interaction between the scraping plate and the separation rack, the pineapples are separated from main ribs; the collection component has a rack, a case coverplate and a collection case, and is used for collecting the separated pineapples, so transportation of the pineapples can be facilitated; the elevating component has an operation handle, a scraping plate, a separation rack, a separation rack shaft and balance springs, and is used for adjusting the height of the separation rack to be suitable for height changes of the pineapples; the power transmission component has a differential, a driving motor, a one-in-two-out gearbox, a scraping plate driving shaft, a scraping plate shaft, a scraping plate power transmission mechanism and a front wheel power transmission mechanism, and is used for providing power for movements of the whole machine and plucking; the supporting component are formed by a frame, a pair of driving wheels and a pair of universal wheels, and is sued for driving the whole machine to move. The harvester is small on the whole, convenient to use, saves efforts and can improve plucking efficiency.

The invention relates to a multi-function water surface algae cleaning machine, comprising double float formed by bracket connection, no-blocking pump set on the bracket, driving device, cyanobacteria collector connected in inner sides of double float and pitch adjusting device for cyanobacteria collector, which are connected and combined. The merit is that driving wheels are set at outer sides of double float; under the driving of motor they can rotate in clockwise and counterclockwise directions or adjust rotation speed of two driving wheels to realize advancing, retreating and turning of algae cleaning machine. Pitch adjustable device is set. The algae cleaning machine moves forwards or backwards for air cleaning work so that as much as possible cyanobacteria is absorbed by the no-blocking pump. Comb-shape division device and miscellany removal device are used to prevent algae absorption pump blocking. The whole algae cleaning machine can operate on bank or on algae storage ship after the algae cleaning machine so that the load of float work of algae cleaning machine, the contacting depth between absorption mouth of pump and algae layer is guaranteed; and two bad conditions of suction and water absorption can be avoided. The invention is provided with reasonable structure distribution, simple operation and good algae cleaning performance.

The invention discloses an automatic guided vehicle comprising a vehicle body, a differential control device, a navigation control device, a steering control device, an obstacle avoidance device, a liftable climbing mechanism, a power supply device, and a main control device. According to the invention, the differential control device employs a two-wheel independent driving way and controls steering and drive steering based on the differential value; and with cooperation of the navigation control device, crooked moving of the vehicle body is prevented. An electronic gyroscope of the steering control device collects an azimuth signal of the vehicle body and outputs the azimuth signal to the main control device for processing. The main control device outputs an instruction to control the differential control device to make motion, thereby realizing pivot steering of the vehicle body. When the vehicle walks, a collision avoidance distance is set; and with a range finding sensor of the obstacle avoidance device, adjustable detection of the free distance can be realized, so that safety driving of the vehicle can be guaranteed. The liftable climbing mechanism employs a stepping motor to realize precise position adjustment of the lifting mechanism, so that full-range precise height adjustment is realized during carrying of tooling vehicles with different height requirements can be realized.

The invention provides a novel omnidirectional wheel type mobile robot. Three composite wheels are arranged on a robot body; energy two of the three composite wheels are arranged in a 120-degree uniform distribution mode; and the distances from the wheel centers of the wheels to the center of the mobile robot are equal. Each composite wheel can realize axial rotation and zero-radius revolution; the rotation and the revolution are respectively and independently driven by a motor, and the three wheels are not interfered mutually. The three wheels are driving wheels and are adjusted to turn the direction, thereby traveling in the plane along any direction. The omnidirectional wheel type mobile robot has the advantages that the structure is simple, the manufacture is easy, the control accuracy is high, and the popularization is easy, so that the omnidirectional wheel type mobile robot is very suitable for occasions with narrow space and high mobility requirement for the robot, can be used as a mobile transportation device on the flow production line of the factory, also can be used as the facility for domestic service and entertainment, and can replace the labor at various danger places for use.

The invention discloses a guide-arm-type front-wheel joint mechanism of a mobile robot which can travel on a complex road and has higher obstacle-surmounting capability. The guide-arm-type front-wheel joint mechanism comprises a first motor, a worm wheel, a worm, a rotating transformer, a torque sensor, a guide arm shaft, a first guide arm, a second guide arm, a second motor, a first gear, a second gear, a first hollow shaft, a second hollow shaft, a first driving wheel, a second driving wheel, a third motor, a third gear, a fourth gear, a first follow-up wheel and a second follow-up wheel. In the invention, the rotation of a guide-arm-type front wheel is realized by means of only one motor. By means of the self-locking performance of the guide-arm-type front-wheel joint mechanism, a higher obstacle-surmounting capability can be achieved due to fixed angle between a vehicle body and an obstacle when the mobile robot surmounts the obstacle. The rotating transformer can be used for measuring the absolute position of the movement of the guide arms and is more flexible to control. The torque sensor is used for judging whether the robot encounters an obstacle or not at present. The guide-arm-type front-wheel joint mechanism disclosed by the invention has the advantages of simple structure and reliability in work, and the guide-arm-type front wheel is beneficial to great increase of the obstacle-surmounting capability of the mobile robot.

The invention discloses a scooter. Two steering wheel installation plates are arranged on a fixing bracket; the inner side of each steering wheel is installed on the corresponding steering wheel installation plate; the two steering wheel installation plates are arranged to be capable of rotating around plate axes which are perpendicular to center lines of rotating shafts of the steering wheels and intersectant with the center lines of the rotating shafts of the steering wheels correspondingly; and the plate axes are basically perpendicular to the horizontal plane. The first end of each connection pull rod is connected to the stressed position, deviated the corresponding plate axis, of the corresponding steering wheel installation plate. A pivot at the lower end of an oscillating bar is connected to the fixing bracket so that the oscillating bar can oscillate left and right. An oscillating disc is fixedly connected to the oscillating bar, and the second ends of the two connection pull rods are connected to the oscillating disc. The oscillating disc is driven to oscillate correspondingly by oscillating the oscillating bar towards left or right, so that the two connection pull rods apply push force and pull force to the stressed positions of the steering wheel installation plates correspondingly, and the two steering wheels deviate in the same direction. Thus, by means of the scooter, steering operation is simplified.

The invention relates to the technical field of packing conveying equipment, in particular to a steering conveying system. The steering conveying system is characterized by comprising a packing material conveying line (1), a guide guardrail (2) and a steering mechanism (3), wherein the packing material conveying line (1) comprises a driving device, a conveying roller line and connecting side plates; the driving device is used for driving the conveying roller line to move; multiple conical power rollers are arranged in the middle of the conveying roller line, and the rest are common power rollers; the connecting side plates are positioned at the two sides of the conveying roller line; the guide guardrail (2) is positioned in front of the area of the conical power rollers, and is used for adjusting the position of a packing material; and the steering mechanism (3) is mounted on the connecting side plate at the side b of the packing material conveying line (1), and is positioned in the area of the conical power rollers. The steering conveying system has the beneficial effects of fully using the differential function of the conical rollers for realizing the steering of the packing material, designing an adjusting handle for conveniently adjusting and fixing the position and designing a spring buffer device for protecting the steering conveying system and the packing material from being intensely collided.

The invention discloses a liquid piton heat engine which comprises a cold air hydraulic cylinder, a hot air hydraulic cylinder, a cold hydraulic power mechanism, a hot hydraulic power mechanism, a cold liquid medium return system and a hot liquid medium return system, wherein the cold air hydraulic cylinder is communicated with the hot air hydraulic cylinder through an air medium communicating pipeline, a cooler is arranged on the cold air hydraulic cylinder, a heater is arranged on the hot air hydraulic cylinder, a cold liquid medium outlet of the cold air hydraulic cylinder is communicated with a cold liquid medium return hole through the cold hydraulic power mechanism and the cold liquid medium return system, a hot liquid medium of the hot air hydraulic cylinder is communicated with a hot liquid medium return hole through the hot hydraulic power mechanism and the hot liquid medium return system, and the cold hydraulic power mechanism, the cold liquid medium return system, the hot hydraulic power mechanism and the hot liquid medium return system are controlled by a progress control mechanism. According to the invention, a piston crank connecting rod mechanism of an engine is omitted, and a large-power thermomotor with high efficiency and small volume and light weight can be manufactured.

The invention discloses a hybrid-power unmanned aerial vehicle with four auxiliary wings and a control method thereof. The invention integrates the advantages of a helicopter and four rotor wings and the advantages of oil power and electric power to design a vertical take-off and landing unmanned aerial vehicle which adopts a structure of the helicopter as a main body and adopts the four rotor wings as an auxiliary oil-electricity hybrid-power system. The hybrid-power unmanned aerial vehicle comprises a main rotor wing, a vertical tail wing, a left-front auxiliary rotor wing, a right-front auxiliary rotor wing, a left-rear auxiliary rotor wing and a right-rear auxiliary rotor wing, which are six in number totally. The hybrid-power unmanned aerial vehicle is characterized in that the basic structure of the helicopter is adopted from the whole, but the common fixed-pitch propellers are replaced with the pitch-adjustable propellers of the main rotor wing of the traditional helicopter, and due to the replacement, the main rotor wing loses the function of controlling the flying direction, but the manufacturing cost is effectively reduced; and the control for the flying direction and the maneuvering action of the unmanned aerial vehicle is completed by the vertical tail wing and the four auxiliary rotor wings. The hybrid-power unmanned aerial vehicle disclosed by the invention has the advantages that the main rotor wing adopts an internal combustion engine as power so as to enhance the endurance capability of the unmanned aerial vehicle; and the other rotor wings adopt a brushless motor as power so as to improve the stability and the maneuverability of the unmanned aerial vehicle.

The invention discloses an aircraft. The aircraft comprises an aircraft body and a power device, wherein the power device comprises a plurality of power units, every power unit is connected with the aircraft body through an aircraft arm and comprises variable-pitch rotors and a variable-pitch control device, and the aircraft body is provided with tilting driving mechanisms for controlling tilting of the power units. The aircraft is rapid to act and respond and flexible in flight attitude control.

The invention discloses a dual-power input and differential type steering tracked vehicle transmission. A power input mechanism, a dual-power input mechanism, a middle transmission mechanism, a differential type driving mechanism and a PTO power output mechanism are all mounted on a box body. A left caterpillar driving mechanism and a right caterpillar driving mechanism are the same in structure and are symmetrically mounted on the two sides of the box body. The power input mechanism is connected with the PTO power output mechanism and the dual-power input mechanism. The dual-power input mechanism transmits power and is connected with the middle transmission mechanism. The middle transmission mechanism is connected with the differential type driving mechanism, and the differential type driving mechanism is used for outputting the power to drive the left caterpillar driving mechanism and the right caterpillar driving mechanism. The problem of direct mechanical transmission and hydraulic stepless combination is solved by switching a combination sleeve, and the transmission efficiency and the control performance of a tracked vehicle are effectively improved. Meanwhile, a hydraulic motor controls planet carrier gears of planet gear mechanisms on the two sides of a driving wheel to rotate forwardly and reversely, so that the rotating speeds of the two ends of a traveling and driving power output shaft are changed, and accordingly steering is achieved.

The invention provides an automatic water receiving and carrying robot. The automatic water receiving and carrying robot comprises a control box, an upper machine body part, a lower machine body part,mechanical arm parts, an assisting arm part and a moving machine body part, wherein the upper machine body part comprises an upper machine body, an up-down shoulder moving block, a shoulder telescoping guide rail, an assisting arm lifting guide rail, etc.; the lower machine body part comprises an upper machine rotating shaft, a lower machine body, etc.; the moving machine body part comprises a moving machine body, a turning wheel, a reversing motor, moving wheels, etc.; the assisting arm part comprises an assisting arm connecting part, a first assisting arm, fixed claws, movable claws, etc.;each mechanical arm part comprises a first shoulder block, a big arm block, a small arm block, claw part, etc. According to the automatic water receiving and carrying robot, the upper machine body isconnected to two mechanical arms and one assisting arm; the two mechanical arms are matched to arrange a water receiving basin below a water faucet, and a switch of the water faucet is clamped throughthe claw parts of the assisting arms; the claw parts are rotated through a clamping claw motor, and thus the water is opened and closed; the water basin can be carried close to people; the water basin is carried and poured after use, and thus the whole water receiving and carrying operation is finished.