54results about How to "Increased turning radius" patented technology

The invention belongs to the technical field of intersection canalization design. In order to make up the blank of the research field of a special left-turning lane for a truck and provide a basis for arranging the special left-turning lane for the truck at intersection, the invention adopts the technical scheme that a method for arranging the special left-turning lane for a separating type truck comprises the following steps of: (1) judging if arranging the special left-turning lane for the truck according to the calculation for a critical condition for arranging the special left-turning lane for the truck; (2) analyzing a right arranging condition for the special left-turning lane for the truck; (3) analyzing an auxiliary condition for a separating type left-turning lane; and (4) performing intersection signal timing on the special left-turning lane for the separating type truck. The method provided by the invention is mainly applied to the intersection canalization design.

The invention discloses a high-precision electronic mouse for a maze competition, and a using method thereof. The high-precision electronic mouse comprises a hardware system and a software system. The hardware system comprises a frame module, a microprocessor module, a motor driving module, a sensor detection module, a memory storage module and a power module. The software system comprises a speed adjusting module, an interruption module, a coordinate algorithm module, a driving module and a position rectification module. The high-precision electronic mouse for the maze competition employs a design scheme of double driving wheels and double driven wheels, takes a four-axle range finding type infrared emission receiving sensor as a primary detection device and a gyroscope as a secondary detection device, performs processing calculation on signals through a novel maze-searching algorithm, controls the running of a low-loss high-speed coreless DC motor to enable the miniaturized maze electronic mouse to find an outlet, and through organic integration of the hardware system and the software system, finally enables the electronic mouse to have the advantages of small size, fast speed, high precision and high stability.

The invention discloses a multi-channel ground penetrating radar technique based subgrade defect detection vehicle, which comprises a vehicle body (1), wherein the vehicle body (1) is provided with acab (16), an operation room (17) and a device storage room (18) in sequence from front to rear; the tail of the vehicle body (1) is provided with a radar antenna trailing device (2); the radar antennatrailing device (2) comprises a horizontal T-shaped trailing connecting piece (14) connected with a trailer bar (29) at the tail of the vehicle body (1); left and right sides of the T-shaped trailingconnecting piece (14) are each hinged with two radar antenna trolleys (20) in sequence from front to rear; X-shaped hinging pieces (19) are arranged between two radar antenna trolleys (20) which areside by side in a left-right manner; and hinging rods (15) are arranged between two radar antenna trolleys (20) which are side by side in a front-rear manner. The vehicle can be realized in quick assembly and disassembly, and has a radar control system with a smaller turning radius and an expandable antenna quantity, and a lower radar antenna ground clearance.

The invention provides a water-channel water-returning littoral combat ship and belongs to military equipment. The water-channel water-returning littoral combat ship comprises a ship body, a middle cabin, a lateral cabin, a base plate, a water inlet, a water-passing channel, a propeller and a water outlet, and is characterized in that: a bottom cabin is a rectangular cube; the water-passing channel with four surfaces being closed is arranged in the rectangular cube; the propeller is arranged in the water-passing channel; and water passes through the water-passing channel from the water inlet and is removed from the water outlet, so as to realize the advancing of the combat ship. Compared with the prior art, the water-channel water-returning littoral combat ship has the advantages of simple structure, adaptation to fluid mechanic law, small resistance, high speed, shallow drafting, silence, small target, wide moving area, strong adaptive capacity and excellent popularization and application values.

The invention provides a pressure-impacting centrifugal dehumidifier with a guiding and adsorbing device. The pressure-impacting centrifugal dehumidifier comprises an air inlet box, a fan, an air outlet pipe, an air guide hood, an air delivery conduit and a steam exhaust chamber, and is characterized in that the air guide hood is composed of an inner guide pipe, an outer guide pipe, inner guide sheets, outer guide sheets and an outer cover, the top ends of the inner guide pipe and the outer guide pipe are connected together by a break-angle-shaped circular ring, six inner guide sheets arranged in the radial direction are arranged in the inner guide pipe to form six longitudinal guide channels, six longitudinal outer guide sheets are uniformly arranged on the outer side of the outer guide pipe, the outer cover is arranged above the inner guide pipe and the outer guide pipe and outside the outer guide pipe through the intersection position of an inverted-cone-shaped guide body and the inner guide sheets at the center of the inner guide pipe, the bottom end of the inner guide pipe is connected with an air outlet pipe of the fan, and the bottom end of the outer guide pipe is connected with the bottom surface of the steam exhaust chamber. The pressure-impacting centrifugal dehumidifier overcomes the defects that the existing pressure-impacting centrifugal dehumidifier has high eddy and turbulent losses and large air leakage quantity of a steam exhaust opening, and therefore, the using quality is improved.

The invention discloses a cutting knife guard plate assembly, an anastomat and a steering control method. The cutting knife guard plate assembly comprises two cutting knife guard plates which are positioned on two sides of a central axis and have two opposite arc-shaped structures with corresponding recessed inner surfaces to form space allowing a cutter handle of the cutting knife assembly to move along the central axis and/or deflect relative to the central axis; and the two cutting knife guard plates respectively deflect relative to the central axis when one cutting knife guard plate moves toward the near end of the anastomat and the other cutting knife guard plate moves toward the far end of the anastomat, the knife handle is bent, and the part, protruding toward one side due to bending, of the knife handle is attached to the inner surface of the cutting knife protection plate on the corresponding side. Compared with an existing anastomat, the anastomat provided by the invention has the advantages that the rotating angle is larger, and the anastomat is more stable during deflection.

The invention particularly relates to a concrete vibrating device for cast-in-place ballastless track bed construction, and solves the problems of low construction precision and increased constructioncost in application of an existing vibrating mode that an operator stands on a tool rail. The concrete vibrating device for cast-in-place ballastless track bed construction is characterized in that agenerator, a PLC, two vibration reduction boxes and a plurality of electric push rods are arranged on the upper surface of a vehicle frame; the top end parts of the electric push rods are jointly andfixedly connected with a lifting bracket; eight vibration motors are placed on the upper surfaces of the two vibration reduction boxes, and eight flexible shaft tubes are fixedly connected to the lifting bracket; and eight vibration rods are arranged in two operation gaps, and the PLC is connected with a stepping motor, the electric push rods and the eight vibration motors. The purpose that an operator operates vibrating operation outside the line is achieved, the vibration reduction effect is good, automatic stepping is achieved, operation is convenient and fast, the construction precision and the construction efficiency are effectively improved, and the device is suitable for vibrating operation of the cast-in-place ballast bed.

The invention relates to an ice cream stick loading device which comprises a rack, a first hopper cabin, a second hopper cabin, a position detection component, a material poking wheel, a belt conveying mechanism and a controller; the first hopper cabin, the second hopper cabin, the position detection component, the material poking wheel, the belt conveying mechanism and the controller are all installed on the rack; the bottom of the first hopper cabin communicates with the bottom of the second hopper cabin; the second hopper cabin is arranged between the first hopper cabin and the belt conveying mechanism; a part of a conveyor belt of the belt conveying mechanism is slantingly arranged in the second hopper cabin and upward conveys ice cream sticks in the second hopper cabin; the material poking wheel is installed at a discharge hole of the first hopper cabin and pokes the ice cream sticks in the first hopper cabin into the second hopper cabin; the position detection component is installed on one side of the second hopper cabin; and the controller is used for controlling the position detection component to collect an accumulating height of the ice cream sticks in the second hopper cabin in real time and controlling the material poking wheel to start to perform material poking or stop poking according to the accumulating height. The ice cream stick loading device provided by theinvention can perform real-time monitoring on the accumulating height of the ice cream sticks in the second hopper cabin and can realize full-automatic movement.

The invention discloses a triangular lattice photonic crystal waveguide based on an air column and lithium niobate air column structure. The triangular lattice photonic crystal forms guided waves forelectromagnetic waves with corresponding frequencies by introducing photonic local characteristics after defects are introduced, and due to the fact that the waveguide width of the triangular latticephotonic crystal is in the nanoscale, the designed 60-degree bent waveguide can guarantee the high turning radius, and meanwhile the extremely high transmission efficiency and transmission bandwidth are obtained. According to the triangular lattice photonic crystal waveguide based on the air column and lithium niobate air column structure, the problems of waveguide miniaturization, high transmission bandwidth and low transmission loss in integrated optics can be solved, and an excellent solution of bent waveguide design is provided for future integrated optics.

The invention relates to a method for parking or maneuvering a motor vehicle (10) at low speed, wherein at least one object (30) in the surrounding area of the motor vehicle (10) is detected and used for calculating a target trajectory (20) of the motor vehicle (10), and wherein the motor vehicle (10) is automatically steered in accordance with the target trajectory (20) or the driver of the motor vehicle (10) is provided with corresponding steering instructions. If a minimum distance (dmin) of the motor vehicle (10) to the at least one detected object (30) in the surrounding area is no longer met, the cutting-in radius (r) of the motor vehicle (10) is tracked in accordance with the distance (d) between the motor vehicle (10) and the at least one object (30) in the surrounding area until the distance (d) again exceeds the minimum distance (dmin).

The present invention provides a system for bus left-turn regulation and control of a left-turn and straight common signal lamp crossroad. The system comprises: a vehicle signal sender arranged on the bus which turns the left at the crossroad; and signal receivers arranged at four corners of the crossroad. The vehicle signal sender is configured to emit left-turn signals when the bus turns left; the signal receivers are connected with a traffic light controller of the crossroad and configured to receive the left-turn signals and send the left-turn signals to the traffic light controller, and the traffic light controller controls the state of the traffic light according to the current state of the traffic light. The system and method for bus left-turn regulation and control of the left-turn and straight common signal lamp crossroad can improve the left-turn efficiency of the bus at the crossroad to the utmost extent so as to reduce the influence on the straight vehicles to a minimum.

A vegetable transplanter chassis device suitable for a greenhouse comprises an electric driving mechanism, a walking mechanism and a steering mechanism. The electric driving mechanism comprises a storage battery, a differential mechanism and a driving motor, the walking system comprises two driving wheels, two steering wheels and a rack, and the steering system comprises a steering motor and a steering auxiliary mechanism; the rack comprises a left cross beam, a right cross beam, a front cross beam and a rear cross beam, the cross beams are connected end to end and welded into a rectangular frame, the two ends of the front cross beam are in pin connection with a L-shaped second steering rod, the transverse folding part of the second steering rod is connected with a first steering rod, and the first steering rod is provided with the steering motor used for driving the first steering rod to rotate; the inner sides of the two steering wheels are connected with a third steering rod, and the top end of the third steering rod is in pin connection with the second steering rod. The size of the whole transplanter can be reduced while flexible turning is achieved, the structure is simple, the mechanical reliability is high, and a machine can work in a greenhouse easily.

The invention relates to the technical field of road construction design, in particular to a rotor overpass. The rotor overpass comprises a bottom course, a middle course and a top course and is characterized in that the bottom course comprises a first bottom course and a second bottom course; the first bottom course comprises a sidewalk and a non-motor vehicle lane in the bottom course; the second bottom course is a deck, which is straight-going to communicate the east direction with the west direction and is positioned above the first bottom course; the second bottom course comprises a thirdleft-turn lane, a fourth left-turn lane, a third straight lane and a fourth straight lane; the top course is a deck which is straight-going to communicate the north direction with the south direction; the top course comprises a first straight lane, which is in communication with a third meeting lane, and a second straight lane, which is in communication with a fourth meeting lane; and the middlecourse is a turning bypass deck which communicates the second bottom course with the top course. The rotor overpass has the advantages that the floor space is small, the turning radius is large, the path is long, the lane is reasonably increased and reduced and the traffic operation is smooth.

The invention relates to a foldable transportation vehicle for riding instead of walk. A handle bracket, a front bracket and a rear bracket of the foldable transportation vehicle form a three-sectionfolding structure, wherein, the front bracket can rotate towards the bottom of the rear bracket to be folded, the handle bracket can rotate and be folded in the direction opposite to the folding and rotating direction of the front bracket, after being folded, the whole car size is small, the center of gravity is concentrated, a pulling-rod type or push-pull structure can be achieved, and carryingis convenient. The rotating plane of a front wheel of the foldable transportation vehicle for riding instead of walk is fixed to the relative positions of the handle bracket and the front bracket, andwhen the steering is needed, and the handle bracket can be tilted by tilting a vehicle handle to drive the front wheel to tilt and steer, so that the front bracket is driven to tilt and steer; and meanwhile, the front bracket can pull the rear bracket to make rear wheels to steer in the horizontal plane, so that an operator can easily and conveniently steer through tilting and steering of the front wheel and steering of the rear wheels finally.

The invention discloses an anti-rollover control method and device of an automobile, and belongs to the field of an automobile safety control system. The anti-rollover control method comprises the following steps that I, an ABS (antilock brake system) is in external connection with an auxiliary brake system, the auxiliary brake system is provided with a pressure sensor for detecting hydraulic oil,an oil-inlet electromagnetic valve is arranged at the oil-inlet end of each wheel, an oil-outlet electromagnetic valve is arranged at the oil-outlet end of each wheel, a wheel right side electromagnetic valve and a wheel left side electromagnetic valve which are used for controlling the corresponding oil-inlet electromagnetic valves are connected to the auxiliary brake system, and shock absorbersare arranged between an automobile frame and an automobile body; and II, pressure in a hydraulic cylinder of each shock absorber is synchronously changed along with the change of the load of the automobile, when the pressure of the front shock absorber and the pressure of the rear shock absorber on one side of the automobile are both smaller than a minimum threshold value, braking is performed onthe front wheel and the rear wheel on the other side of the automobile, so that the automobile speed is reduced, and the automobile returns to a safety condition. According to the method disclosed bythe invention, under the situation that the automobile is overloaded, electricity supply to an automobile starting engine is forbidden, and when the automobile is subjected to rollover, unilateral braking is performed on the left side wheels or the right side wheels, so that the automobile returns to the safe travelling condition.

The invention discloses a shifting and switching device of an automobile CVT (Continuous Variable Transmission), which relates to the technical field of automobile manufacturing. The shifting and switching device comprises a shifting inhaul cable and a shifting rocking arm, wherein the shifting rocking arm is arranged under the bottom of a transmission housing and is provided with a parking gear, a reverse gear, a neutral gear and a forward gear, the transmission housing is provided with a fixing support which is formed by a support part and a bending part which is connected with the support part, the bending part is provided with a clamping groove which is used for clamping the shifting inhaul cable, the support part is hinged to an intermediate transition board through a rotating shaft, the intermediate transition board is hinged to the shifting inhaul cable through a first pin shaft, and the intermediate transition board is connected with a transition rod through a second pin shaft. Compared with the prior art, according to the shifting and switching device disclosed by the invention, the problems that the turning radius of the shifting inhaul cable is too small as the shifting inhaul cable of a certain automobile is connected with the shifting rocking arm, thus the shifting force is large, the shifting comfort is poor, and the layout of the automobile CVT is difficult can be avoided, and the shifting performance is greatly increased.

A method for braking an electric vehicle in which a first axle of an electric vehicle is decelerated by an electric motor of the electric vehicle and/or by a friction brake system of the electric vehicle.

A continuously variable transmission adopting hydraulic control and flexible steering comprises a box body and a hydraulic control system. The control box internally comprises an input shaft, a variable-speed shaft, a first steering shaft, a second steering shaft, a speed reduction shaft, a left output shaft and a right output shaft. The input shaft and the variable-speed shaft are each provided with a set of gears, are in transmission connection through the gears and can conduct gear shifting speed regulation. A first friction clutch used for controlling the differential speed is arranged atthe position, close to a gear G, on the first steering shaft. A second friction clutch used for controlling the forward direction and the reverse direction is arranged at the position, close to a gearI, on the first steering shaft. A third friction clutch used for controlling left steering is arranged at the position, close to a gear M, on the second steering shaft. A fourth friction clutch usedfor controlling right steering is arranged at the position, close to a gear L, on the second steering shaft. The continuously variable transmission has the beneficial effects that the friction clutches are directly controlled by the transmission by means of the hydraulic system, impact on steering brake shafts, steering gears and friction plates is reduced, and the service life of the transmissionis prolonged.