1426results about How to "Small turning radius" patented technology

The invention discloses an articulated front-handling mobile crane. The crane comprises at least one braking device, wherein at least one of a front-left wheel or a front-right wheel of the articulated front-handling mobile crane can be independently braked by the braking device. The invention also provides an operation control system for the articulated front-handling mobile crane, which comprises at least one braking device, an independent brake switch, a safety device, a vehicle speed monitoring device and a control device. The articulated front-handling mobile crane can take a front wheel on any side thereof as the center for steering, so the articulated front-handling mobile crane can remarkably reduce steering radius and improve placing accuracy and small-space activity ability of heavy objects. At the same time, the articulated front-handling mobile crane can also ensure that the braking device cannot be started during high-speed operation further to improve safety performance and ensure the safety of personnel, equipment and loads.

The present invention discloses a composition method of a gantry four-dimensional automatic measurement platform for detecting photochromic performance of display screens and a gantry four-dimensional automatic measurement platform using the method. The present invention relates to the automatic measuring technology of the photochromic performance of display screens, and comprises a platform base, a gantry frame, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis lifting mechanism, and a display screen-carrying rotating platform. By moving the mechanisms to control the circuit, the four-dimensional automatic measurement platform for detecting photochromic performance of display screens is flexibly controlled to accomplish the three-dimensional move of the photochromic measuring instrument and the accurate one-dimensional rotation of the display screen to be measured, the present invention is characterized in stable movement of the photochromic measuring instrument, small rotation radium of the display screen, novel structure, small driving power needed, small size, light weight, low cost, rapid measuring speed, high reliability and so on. The present invention can be widely applied to the photochromic automatic detecting system of LCD or LED television screen, display screen, or mobile phone screen and so on, and the present invention can precisely adjust the coordinate position of the test points and the angle of the display screen intelligently according to the detecting requirement of photochromic performance of the display screens under the computer management, and rapidly accomplish the detection of photochromic performance.

A system is provided for controlling the load split between the axles and thereby the theoretical wheelbase of a vehicle having two front axles being suspended in suspension units at least some of which have springs with adjustable stiffness. A method for controlling the load split between the axles and to a motor vehicle including such a system and/or by use of such a method is also disclosed.

A suspension maglev rail transit system includes an orbital system, a suspension system, a control system and a car system, wherein the control system comprises a drive system, a guidance system and asuspension control system, wherein the track system is suspended in the air through upright posts, the car system is suspended vertically below the track system through the suspension system, and thedrive system and the guidance system cooperate to drive the car system to operate in the track system. The invention utilizes the levitation force with the permanent magnet repulsion force as the main force and the electromagnetic regulation as the auxiliary force to suspend the car on the air track, and realizes the stable operation through the non-contact traction of the linear motor. The invention has the advantages of low energy consumption, high safety, no land occupation, low cost, strong climbing ability, small turning radius and wide adaptability.

The invention discloses a novel forklift type AGV (automatic guided vehicle) trolley. The novel forklift type AGV trolley comprises a trolley body, wherein a lifting system is arranged in the front of the trolley body, and the lifting system is connected with a material fork in transmission mode. The novel forklift type AGV trolley is characterized in that a multifunctional integrated control device is arranged on the trolley body, a dual wheel differential drive device is arranged in the middle of the trolley body, the dual wheel differential drive device is connected with the multifunctional integrated control device, protection devices are arranged around the trolley body, and an adaptation movement mechanism is arranged at the bottom of the trolley body. The novel forklift type AGV trolley achieves the purpose of adding the characteristics of turning in circles, being accurate to control and automatically running of an AGV based on performance of a forklift, and simultaneously can guarantee the advantages of being flexible to swerve and small in swerve radius.

The invention discloses an automatic clearing ship for rubbish on water and belongs to the technical field of cleaning the rubbish on the water. The ship comprises a ship body, a rubbish collection system and a rubbish transport system, wherein the rubbish collection system comprises a rubbish storage bin, a chain shaft, guide arms, an arresting barrier, chains and a collection basket; the rubbish transport system comprises a guide rail transmission stand and a lifting stand; the guide rail transmission stand consists of transverse guide rails and longitudinal guide rails by crossing; and the lifting stand comprises a hook, a sleeve, diagonal rods, a base, a vertical rod, a cross rod, a motor and a screw rod. The ship body is simple in structure, so that the structure of the complete ship is simplified on the basis of function addition, the operation cost and manufacturing cost are lowered greatly, the energy consumption is reduced correspondingly, the popularization and use of the clearing ship are facilitated, and the automatic clearing of the rubbish on the water can be achieved.

The invention discloses a bionic underwater glider, which comprises a glider main body, a buoyancy changing device, an empennage and a gliding wing; the buoyancy changing device is arranged on the glider main body, and changes the net buoyancy of the bionic underwater glider by changing the displacement volume; The tail fin is arranged on the tail of the glider main body through a tail fin swing mechanism to realize the back and forth swing function of the tail fin; Rotate function. Also disclosed is a bionic underwater glider propulsion method. The present invention can effectively cooperate in different working modes, so as to realize mixed propulsion and enhance the ability of diverse observation tasks. It has high propulsion efficiency, strong maneuverability, flexibility of bionic propulsion and high efficiency of gliding propulsion.

The invention provides an integrated steering and suspension system which comprises a steering motor. The steering motor is in transmission connection with one end of a main pin shaft through a speed reducer; a sleeve is sleeved outside the main pin shaft; the main pin shaft is not in rotation connection with the sleeve; the sleeve can slide axially relative to the main pin shaft; one end of a circular pipe is fixed on the outer surface of the sleeve and the other end is fixed on the side surface of a first connecting block; the first connecting block is fixedly connected with one end of a wheel axle; the other end of the wheel axle is fixedly connected with a wheel hub; the other end of the main pin shaft is fixed with one end of a second connecting block; the other end of the second connecting block is fixedly connected with one end of a damper spring; and the other end of the damper spring is fixedly connected with the first connecting block. The system does not need the independent suspension guide rod system and has a simple structure, the steering space of wheels is greatly improved, and the smaller steering radius can be realized.

The invention discloses a rail engineering truck steering frame belonging to the field of rail vehicle steering frames. Aiming at the defects of large turning radius and incapability of meeting the low-speed operation working conditions of the traditional rail engineering truck, the steering frame comprises an H-type frame, ATP (Array Transform Processor) induction coil devices arranged at end parts of two lateral beams of the frame, rim lubricating devices arranged at two ends of a locomotive, a primary suspension device, a secondary suspension device, a third rail current collector arranged at the middles of the lateral beams of the frame, a basic brake device transversely arranged on the lateral beams of the frame, and a traction device connected with the frame by adopting a full-suspension manner; and a gear box is hung on a cross beam of the frame and is internally provided with two stages of gear transmissions with total transmission ratio of (7.63-10.03):1. The rail engineering truck steering frame has the highest operation speed of 90km/h, the continuous speed of about 18km/h and the lowest operation speed of below 5km/h and has the advantages of small turning radius, high low limit, simpler structure, convenience for maintenance and high reliability.

The invention is concerned with the electric bicycle, especially the bicycle that the left and the right wheel can automatic balance, the two wheels are at left and right side of the rider, includes the carriage, the standing stick, the wheel, the electromotor, the driving circuit, the angle, the angle velocity transducer, and the treadle transducer, the characteristic is: the carriage (-) is composed by the separating of the cell chamber (-) and the electric chamber (-), the electric chamber (-) is set the electromotor (-,-), the electromotor driving circuit (-,-) and the central processing circuit (-); the electromotor driving circuit (-,-) includes the release loop, the release loop is set the release switch (-) and the consumed or stored energy element (-); the end of the handle assembly (-) is set the steering controlling mechanism (-,-).

The invention relates to an urban railway working vehicle bogie and particularly provides a straddle type single track working vehicle bogie, aiming at solving the problems that an existing bogie cannot meet the operation requirement that a single track road has more bends and slopes and is narrow. The straddle type single track working vehicle bogie comprises a framework, a secondary suspension device and a traction device, wherein the whole body of the framework is of an II-shaped all-steel assembly welding plate type box-shaped structure, and comprises a side beam, an end beam and longitudinal beams; motor brackets are fixed between the upper part of the side beam and the longitudinal beams respectively; the motor brackets are provided with walking wheel assemblies; four guide wheel assemblies are mounted in the middle of the side beam and two stable wheel assemblies are mounted on the two sides of the lower part of the side beam; the secondary suspension device adopts a secondary steel coil spring assembly; walking wheels are rubber steel wire tyres filled with nitrogen; guide wheels and stable wheels are additionally arranged so that a working vehicle can be safely and stably operated; the turning radius is small, the climbing capability is strong, the sticking force is high, the highest operation speed is 40km/h, the working speed is 5km/h and the rescuing speed is less than 5km/h; the straddle type single track working vehicle bogie has a simple structure, is convenient to maintain and has a reliable performance.

The invention discloses a unicycle robot with the function of self-balancing realization. The unicycle robot comprises a wireless module, a gyroscope, a motion controller, and a servo driver. The servo driver includes an oscillating bar servo driver, a waist plate servo driver, a wheel servo driver, an oscillating bar, a waist plate, and a wheel; and the oscillating bar servo driver, the waist plate servo driver, and the wheel servo driver are respectively connected with the motion controller by leads. The gyroscope and an oscillating bar encoder collect a unicycle body gesture; a signal is fed back to the motion controller; the signal is processed by the control program and thus a control instruction is sent to the oscillating bar servo driver, the waist plate servo driver, and the wheel servo driver, so that the oscillating bar, the waist plate, and the wheel are controlled to rotate to adjust and control the gesture of the robot. According to the invention, the rotation inertia of the oscillating bar and the waist plate can be adjusted by an on-line way; the adjusting capability of the balancing and turning of the unicycle robot can be enhanced; and the aadaptability to the dynamic complex environment, of the robot can be improved.

A steering control method for a trailer includes firstly, controlling steering of front wheels of a tractor and acquiring deflection angles theta 1 of inner steering front wheels of front wheels of the tractor and an included angle alpha between a longitudinal central vertical plane of the tractor and a longitudinal central vertical plane of the trailer; and secondly, controlling steering of other pairs of steering wheels of the trailer, so that deflection angles of various other inner steering wheels on the tractor meet an inequality of arctan [(Li/L1)Xtan(theta 1)-3 degrees]</=theta i</={arctan[(Li/L1)Xtan(theta 1)]+3 degrees, and deflection angles of various inner steering wheels on the trailer meet an inequality of [alpha-arctan(Z/P)-3 degrees]</=theta j</=[alpha-arctan(Z/P)+3 degrees]. The invention further provides a controller, the trailer and a steering system of the same. The steering control method, the controller, the trailer and the steering system have the advantages that the various wheels of the trailer can at least rotate around the same steering central area, abnormal abrasion to tires is obviously relieved, and the steering stability and the passing ability of the trailer are improved.

The invention discloses an intelligent variable rate fertilizer for rice and a variable rate fertilization method thereof. In the technical scheme of the variable rate fertilizer, a hyperspectral remote sensing system and an image acquisition system are arranged on the front end of a traction engine body; a variable rate fertilization unit is arranged on the upper part of a support rack; a fertilizer spreading mechanism is connected with the variable rate fertilization unit and is arranged on the lower part of the support rack; a speed measuring sensor is arranged on a ground wheel; the variable rate fertilization unit and the fertilizer spreading mechanism are both connected with a hydraulic drive system; a GPS antenna and a GPS mobile station which can communicate with the hyperspectral remote sensing system and the image acquisition system are arranged in the traction engine body; and a control system is used for processing data and controlling the actuation of the variable rate fertilization unit and the fertilizer spreading mechanism. The variable rate fertilization method realizes real-time detection of the contents of N, P and K in rice through information fusion of the hyperspectral remote sensing system and the image acquisition system, and can achieve the rice fertilization according to needs based on nutritional profits and losses. The invention has the advantages of accurate fertilization and good controllability, and is suitable for fertilization in the rice growing period.

The invention relates to a translation type movable box overturning and material dumping device. The translation type box overturning and material dumping device comprises a trolley (1) which travels between a skyrail (12) and a ground rail (13) and can reciprocate along the rails, a lifting table (2) which is arranged between two uprights (3) at two sides of the trolley and can move up and down along the uprights (3), a fork device (4) which is arranged on the lifting table (2) and can horizontally extend and retract in perpendicular to the traveling direction of the trolley, and a box overturning and material dumping device (5) which is arranged at the bottom of the fork device (4) and can be overturned. According to the translation type movable box overturning and material dumping device provided by the invention, the box overturning radius is small, the working process is stable and reliable, multiple functions can be realized, the equipment investment cost is saved, the materials are prevented from being scattered to the outside of the boxcar in moving and overturning processes at the same time, and the production cost can be reduced.

A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by an engine and the motor is drivingly changeable by operation of a speed change pedal. Output power from the motor is transmitted into a pair of first differential output shafts as axles through the first differential. The second HST is a combination of a hydraulic pump and motor. The second pump is driven by output power from the first HST and the second motor is drivingly changeable by operation of a steering wheel. A pair of second differential output shafts are rotated in opposite directions by output power of the motor, so that when turning, the first differential output shaft on the opposite side of the turning direction is accelerated.

The invention belongs to the field of electromechanical technique, and relates to a spherical moving robot, and in particular relates to a fluid driving spherical robot which comprises a spherical shell, an annular seal container, axial flow devices, an inner driving rotating mechanism and a main shaft. The fluid driving spherical robot is characterized in that the spherical shell consists of two hemispherical shells including a left hemispherical shell and a right hemispherical shell; the annular seal container is positioned in the spherical surface; the outer annular surface of the container is concentric with the spherical surface of the spherical shell; the container is filled with fluid; the volume of the fluid is half of the volume of the container; two axial flow devices are symmetrically installed in the annular seal container; the axial flow devices drive a liquid to flow in the annular seal container, thus the mass center of the spherical robot is changed, thus the spherical robot can move forwards and backwards; the inner driving rotating mechanism positioned in the spherical shell mainly comprises an inner driving bracket, a motor, a motor support, a flywheel shaft, a flywheel, an electricity supply power supply and a controller; the main shaft is fixedly connected with the inner driving bracket through the motor support; the fly wheel is installed on the inner driving bracket through a bearing; the motor shaft is connected with the fly wheel through a coupling; and the motor drives the lower part of the motor to rotate together with the flywheel shaft vertical to the main shaft and the fly wheel, and the spherical robot takes a turn under the driving of the fluid on the basis of an angular momentum conservation principle.

The invention provides a spherical underwater robot based on vector advancing. The spherical underwater robot based on vector advancing comprises a spherical light housing, a main body frame and a compressive cabin and a control circuit, wherein the main body frame and the compressive cabin are mounted within the light housing; the control circuit is mounted in the compressive cabin; four propellers are placed around the light housing; four rotating shafts, which are uniformly placed around the centre of sphere in a circumferential direction, are mounted on the main body frame; the propellersare fixed at the outer ends of the rotating shafts; the other ends of the rotating shafts are connected with propeller steering engines; the propellers are Kort ducted propellers; brushless motors aremounted in the propellers; the control circuit comprises a main control chip, a battery, a voltage conversion chip, a posture sensor and an optical transmitter and receiver; a water through tight joint for an optical fiber and an electric wire of the control circuit to pass through is arranged on a sealing head of the compressive cabin; cameras are arranged at the top and the bottom of the robot;and a manipulator is arranged at the bottom of the robot. The spherical underwater robot based on vector advancing can rapidly, flexibly and stably sail in the water.

The present invention relates to the traveling and steering mechanism of shuttle car with rubber wheels. The traveling and steering mechanism has structure comprising a steering rack, wheels, a traveling motor, a traveling speed reducer, a wheel side speed reducer, a sync shaft, a long transmission shaft, a short transmission shaft, a transverse pull rod, a longitudinal pull rod, a steering oil cylinder, a steering block, and steering head, an upper steering arm and a lower steering arm. It has the traveling mechanism designed through combining the traveling motor, the traveling speed reducer and other parts, and the steering mechanism of link rod type. It has small turning radius, can in-site turning and is suitable for shuttling operation in the narrow underground room. It possesses the advantages of integral linkage, compact structure, convenient operation, etc.