102results about How to "Reduce driving difficulty" patented technology

The invention belongs to an auxiliary device for assisting in a backing and parking vehicle, in particular to an intelligent backing and parking radar. The intelligent backing and parking radar comprises radar probes arranged on the vehicle tail or on both sides of the vehicle tail, a microprocessor module, an acousto or optical alarm module and a steering state information data interface, wherein the radar probes, the acousto or optical alarm module, the steering state information data interface and the microprocessor module are connected with each other; and the microprocessor module real-timely adjusts the level of acousto or optical alarm signals correspondingly triggered by signal of each radar probe according to the steering state information read from the steering state data interface. The invention can maximally obviate false alarm of parking radars while steering and parking a vehicle and can also help drivers reasonably adjust the steering state to an optimal running trajectory in time.

The invention discloses a plate-type longitudinal mechanical parking device of a chain transmission rotating middle lifting machine. The lifting machine is arranged on the top of a steel structure frame and the steel structure frame is composed of a plurality of parking floors and roadways, wherein the parking floors are arranged on the two sides of the roadways, a plurality of parking positions of the parking floors are longitudinally arranged to form a plate-type longitudinal structure, and vehicle-carrying plates on the parking positions can transversely and correspondingly move along parking guide rails on the parking positions respectively. Fixed guide rails for longitudinal moving of carriers are arranged in the roadways of the parking floors respectively. The lifting machine is provided with a rotary device provided with moving guide rails, the carriers are arranged on the moving guide rails, and storage and taking exchange mechanisms are arranged on the carriers. A lifting well communicated with the bottom floor and the top floor is arranged on the end portions of the roadways, the lifting machine is arranged in the lifting well, the lifting machine and an access opening are located on the end portions of the roadways without occupying the parking positions, transverse moving motion from the access opening to the roadways is reduced, and the vehicle storage and taking time is short; because the lifting machine is provided with the rotary device itself, the purpose that a stored vehicle can enter the access opening and leave the access opening with the head of the vehicle facing the access opening can be achieved.

The present invention is spring driven energy accumulating starting device and method for automobile. The spring driven energy accumulating starting device set onto the rear axle assembly can convert the heat energy of braking friction into potential energy stored in the elastic steel ring, convert the elastic potential energy of starting into the kinetic energy to drive the rear wheels, recover and utilize the energy consumed in the frequent stopping and starting, and raise braking performance and safety. The spring driven energy accumulating starting device possesses one potential energy storing device including sealed container and spring box; one kinetic energy absorbing and potential energy releasing device including outer shaft, inner shaft and rolling bearing in between; and one speed variator with potential energy inputting gear set and potential energy releasing gear set.

The invention provides a blue phase liquid crystal display device capable of achieving a visual angle controllable characteristic and a transflective characteristic. The device sequentially comprises an upper Polaroid, an upper lambda / 4 double-shaft film, an upper lambda / 2 negative A piece, an upper lambda / 4 positive A piece, an upper substrate, an upper substrate IPS electrode, blue phase crystals, a lower substrate IPS electrode, a lower substrate, a lower lambda / 4 negative A piece, a lower lambda / 2 positive A piece, a lower lambda / 4 double-shaft film and a lower Polaroid from top to bottom, wherein the upper substrate IPS electrode is an ITO electrode which comprises an upper substrate Pixel electrode and an upper substrate Common electrode, and the lower substrate IPS electrode is an aluminum electrode which comprises a lower substrate Pixel electrode and a lower substrate Common electrode. The box thickness of a transflective area is the same as the box thickness of a reflecting area, manufacturing difficulties are greatly reduced, meanwhile, the transflective area and the reflecting area have the same phase delay, driving can be conducted through a single gamma curve, driving difficulties are reduced, and meanwhile dual display characteristics, namely, the visual angle controllable characteristic and the transflective characteristic, are achieved.

The invention provides a single-man manual-control rotorcraft which is composed of a rotorcraft body, a rotor shaft cantilever tilt structure, a full-manual-control mechanism and a rotor head mechanism having an internal variable distance function. The rotorcraft body has a high-gravity center normal-three-point undercarriage structure, wherein the main rotorcraft body consists of a vertical column, a front beam, a back beam, an engine bracket and a front support beam. A steering wheel is arranged right ahead and empennages are arranged at the back. A driver seat and an engine are respectively at the front and the back of the vertical column. In the rotorcraft, a push-type propeller provides power and a three-point frame-type individual damping support mechanism having a rotor reactive force balancing device is used for balancing the reactive force generated to the rotorcraft body by air during operation of the rotor, so that the rotorcraft is improved in takeoff and landing stability. By means of the full-manual-control mechanism having a steering linking function, a driver can complete the operations comprising distance change of the rotor, rotor shaft tilt, flying direction turning and braking just like driving a motorbike.

The invention discloses a rotating sliding lifting avoidance-free stereo garage which comprises a frame, a lifting system, a lifting arm system and a rotating vehicle plate. The frame is provided with a track, a main driving chain is arranged in the track, the lifting system provides a speed reducing motor to drive a transmission shaft, the transmission shaft drives the main driving chain to operate, one end of the lifting arm system is hinged to the bottom of the frame, the main driving chain drives the lifting arm system to move between two limiting positions where a lifting arm descends to be in place and the lifting arm lifts to be in place respectively, the rotating vehicle plate is hinged to one end of the lifting arm system, the lifting arm system is used for supporting and lifting the rotating vehicle plate and drives the rotating vehicle plate to slide at 65 degrees along a front half part of the frame to lift or descend, and the lifting arm system and the lifting system jointly finish lifting motions of the rotating vehicle plate. Upper carports and lower carports of the garage operate mutually independently, the vehicle plate can rotate, a driver does not need to back his vehicle when going into the garage and coming out of the garage, and the safety of a complete machine is improved.

The invention belongs to a stereo garage with a form of three upper carports and two lower carports. The stereo garage comprises a garage steel structure framework, a transverse moving frame, car carrying plates, transverse moving mechanisms, lifting mechanisms, a control system and an anti-falling device, wherein the control system controls the transverse moving mechanisms and the lifting mechanisms to move; the garage steel structure framework comprises a framework formed by fixedly connecting upright columns, a transverse beam and a longitudinal beam; the plane where the upright columns and the longitudinal beam are located is an in-out end surface for cars; the transverse beam of the garage steel structure framework is divided into two parts; a rectangular framework is formed by one part of the transverse beam, the upright columns and the longitudinal beam; the other part of the transverse beam stretches out of the rectangular framework; each transverse moving mechanism comprises a transverse moving motor and walking wheels; the transverse moving motors drive the walking wheels to move along the direction of the transverse beam; each lifting mechanism comprises a lifting motor and a transmission mechanism; the lifting motors are connected with the transmission mechanisms; the transmission mechanisms drive the two car carrying plates to do lifting movement. The stereo garage disclosed by the invention is simple in structure, convenient to use and lower in cost, seats need not to be reserved, in-out vehicles in the upper layer and the lower layer are not mutually influenced, and the car storing and taking efficiency is increased.

The invention provides a trolley bus current collector, comprising a trolley pole and a current taking mechanism, wherein the trolley pole is a single rod, the current taking mechanism comprises an ejector rod, an ejector rod connecting rod and a current collecting head, the ejector rod is in 'U'-shaped connection with the ejector rod connecting rod, and the current collecting head is flexibly connected to the ejector rod connecting rod. The trolley pole is connected with the ejector rod of the current taking mechanism through a rotary motor which controls the current taking mechanism to rotate within a certain angle of a radial direction plane of the trolley pole. The trolley bus current collector is suitable for loosing a thread and automatically catching the thread in running at any time, is easy to control, catches the thread accurately and has a low cost, thereby being very suitable for large-scale popularization and application.

The invention discloses an invisible aircraft carrier with high combat power and survivability. The invisible aircraft carrier is characterized in that: firstly, width of a flight deck is greatly reduced, the flight deck and the aircraft carrier body below the deck are changed to be more regularly strip-shaped, the surrounding outer surface of the aircraft carrier body is made into a structure that large areas of outward bent and inward bent planes are crossed, and an invisible material is additionally adhered to the outer surface of the aircraft carrier body or an invisible coating is additionally coated on the outer surface of the aircraft carrier body; secondly, an aircraft hangar with width of 40m and length of 200-300m is made on the lower part of the flight deck; or a vertical two-layer aircraft hangar is made below the aircraft carrier surface of a middle rear part so as to greatly increase the number of aircrafts carried by the aircraft hangar; thirdly, 4-5 flight flying and receiving hatchways are formed on the tail part of the flight deck and on two side edges or in the center of the aircraft carrier surface of the middle front part, and the aircraft carrier surfaces on the front parts of the four aircraft flying and receiving hatchways on the side edge of the flight deck are provided with catapults, or the forefront part of the aircraft carrier body is provided with a flying deck; and fourthly, the upper part of the flight deck on the aircraft carrier surface for landing and receiving aircrafts is provided with four or more arrester wires, and the aircraft carrier surface on the ahead part is provided with a barrier net. Thus, the aircraft carrier with high combat power and high invisibility can be made.

The invention provides a liquid floated rotor type micro gyroscope based on super-hydrophobic effect, which comprises a sealing cavity of which the inner wall surface has super-hydrophilic effect, wherein the cavity is filled with high-purity deionized water; a circular magnetic rotor of which the surface has hydrophobic effect is suspended in the middle of the high-purity deionized water; a stator and a detection electrode are installed outside the sealing cavity; the stator generates magnetic drive signals to drive the magnetic rotor to rotate at high speed in the sealing cavity; and the detection electrode can detect a deflection angle generated by additional angular speed when the rotor rotates at high speed. A layer of gas film is formed on the surface of the rotor because of super-hydrophobic effect and is suspended in the high-purity deionized water, thereby greatly reducing the resistance when the rotor rotates at high speed and improving the sensitivity and the accuracy of the micro gyroscope. The invention has the advantages of small rotation resistance of the sensor rotor, high stability, high sensitivity, easy processing, and the like.

The invention provides a method and a device for determining boarding point information, equipment and a storage medium, and the method comprises the steps: determining a plurality of actual boardingpoints of a user; clustering the plurality of actual vehicle boarding points to obtain at least one cluster; determining an actual vehicle boarding point associated with the centroid point in each cluster and actual vehicle boarding point identification information with the highest use frequency in each cluster; and associating the actual vehicle boarding point associated with the centroid point in each cluster with the actual vehicle boarding point identification information to obtain target vehicle boarding point information of the user. According to the invention, the subsequently determined target boarding point information can meet the actual requirements of the user, the degree that the user accepts the target boarding point information is improved, the pick-up difficulty of the driver can be reduced, the pick-up time cost of the driver can be reduced, the pick-up efficiency of the driver and the boarding efficiency of passengers can be improved, and the user experience of drivers and passengers can be improved.

The invention discloses a vehicle-mounted ultrasonic sensor system comprising a data acquisition system, a parking control module, a vehicle control system and a man-machine interactive system, wherein the data acquisition system collects data in different directions of a vehicle; the parking control module identifies the size of an unoccupied space around the vehicle and position information of the to-be-parked vehicle relative to a parking space, judges whether the size of the unoccupied space is larger than a set threshold value, plans a parking path according to the position information ofthe to-be-parked vehicle relative to the parking space, generates a control instruction, and divides parking state information according to the size of the unoccupied space around the vehicle; the vehicle control system controls a vehicle according to the control instruction output by the parking control module; and the man-machine interactive system includes control software and is used to receive vehicle data information and various data information of the vehicle-mounted ultrasonic sensor system, including a drawing area interface and an information display interface. The drawing area interface displays a vehicle model in real time, planned paths in the vehicle parking process and a vehicle real traveling track. The information can be displayed in real time, and the parking safety is ensured.

An automatic center regulating mechanism for the car is suitable for the entrance of garage or parking structure. It can align the central line of a car with that of its parking area, and is composed of a roller group consisting of several rollers parallel with each other and ground and symmetrical to the central line of lane and a centering guider which is a guide ring or long straight rods. When a car is running in the parking structure, its central line can be automatically regulated.

The invention discloses a scanning and driving method of two phases of line and column of a smectic state liquid crystal display. The method comprises a line scanning step and a column scanning step. A high-frequency unidirectional pulse applied in the line scanning step and the column scanning step respectively should be a positive or negative pulse simultaneously and needs to satisfy a following formula: Dh*Th*Qh* (M-1)=Dv*Tv*Qv* (N-1), wherein the Dh, the Th, and the Qh are a period, a duty ratio and the number of the pulse of the high-frequency unidirectional pulse in the line scanning step respectively, the Dv, the Tv and the Qv are the period, the duty ratio and the number of the pulse of the high-frequency unidirectional pulse in the column scanning step respectively, the M and theN are line and column number of the display screen respectively. According to the invention, a two-phase line and column scanning and driving mode is adopted. On a basis of unidirectional voltage waveform driving, DC equilibrium of a whole display period can be guaranteed, and normal display of an image can be guaranteed. It is simple to realize the unidirectional voltage waveform and driving difficulty is low.

The invention provides an ESC system, an auxiliary downhill control method and a vehicle and relates to the technical field of vehicles. The ESC system comprises a speed obtaining unit used for obtaining the running speed of a vehicle when the vehicle runs downhill, a state obtaining unit used for obtaining the state of a braking pedal when the vehicle runs downhill, a speed recording unit used for recording the current running speed of the vehicle when it is detected that the braking pedal is changed to be in a released state from a stepped state and making the running speed serve as the target running speed, and a control unit used for controlling a speed changing box to lower the gear and adjusting the gear of the speed changing box to the gear matched with the target running speed. According to the ESC system, the auxiliary downhill control method and the vehicle, the dragging torque of an engine can be increased by controlling the speed changing box to lower the gear when the vehicle runs downhill, and therefore the deceleration generated by the dragging torque of the engine can be used for counteracting the acceleration generated when the vehicle runs downhill, the vehicle speed is maintained in a safe and stable range, and the uncomfortable feeling brought by vehicle speed fluctuation caused by braking interference is relieved.

The invention discloses a precise driving guiding instrument and a vehicle with precise guiding. The precise driving guiding instrument comprises a turning angle sensor and track projecting devices capable of being used for projecting curves or curved surface tracks, and the turning angle sensor and the track projecting devices are in transmission connection through wired or wireless signals. The vehicle with precise guiding is provided with the precise driving guiding instrument. The track projecting devices of the precise driving guiding instrument are installed on the head and the tail of the vehicle body, and the turning angle sensor of the precise driving guiding instrument is installed in a steering system of the vehicle. According to the precise driving guiding instrument and the vehicle with precise guiding, the traveling tracks of the head or the tail of the vehicle can be visually displayed in advance, a driver can conveniently and visually observe the traveling tracks of the head or the tail of the vehicle under current steering, and precise guiding can be achieved on steering.

A multifunctional automobile braking system comprises a braking main cylinder, a vacuum booster pump, a brake pedal, a brake, a hydraulic pump, a decompression valve and a pressure retaining valve. The brake pedal drives the braking main cylinder through the vacuum booster pump. The braking main cylinder is connected with the brake for front wheels and rear wheels through a brake pipe. The pressure retaining valve is arranged on the brake pipe. An oil suction opening of the hydraulic pump is connected with a liquid storage tank on the braking main cylinder through an oil pipe. An oil outlet of the hydraulic pump is connected with the portion, between the braking main cylinder and the pressure retaining valve, of the brake pipe. One end of the pressurization pump is connected with the portion, between the braking main cylinder and the pressure retaining valve, of the brake pipe, and the other end of the pressurization pump is connected with the liquid storage tank on the braking main cylinder through an oil pipe. According to the multifunctional automobile braking system, a driving braking system, a parking braking system and an emergency braking system are integrated, manufacturing cost of the braking system is reduced, and due to the fact that the front wheels and the rear wheels are simultaneously braked, the parking braking force of an automobile is increased, and safety of the automobile and safety of pedestrians are ensured.

The invention discloses two kinds of hybrid automatic gear vehicles without clutches and gear boxes for hybrid power through a vehicle body or a rotating shaft. The engine and the hydraulic transmission are connected to form a first driving system, a battery, an inverter and an electric generator are electrically connected to form a first electric generator as the a second driving system, which isrespectively connected with the power input ends of the front and rear drive axle transmissions and can carry out hybrid power through the vehicle body or the rotating shaft so as to form a hybrid automatic gear vehicle for both large and small vehicles. The gear is simple that only the D forward gear and the R reverse gear are used, the output power of the driving assembly, power automatic clutch and torque automatic torque converter to drive the vehicle forward or backward can be controlled by a throttle, the driving difficulty and the labor intensity of the large and small vehicles are greatly reduced. The new energy vehicles by adopting the device can conveniently and quickly replenish fuel by utilizing the infrastructure of the existing gas station. The device has the advantages of simple operation, high automation, high efficiency, energy conservation and environmental protection, simple structure, low manufacturing cost, practical, easy popularization and use.

The invention discloses a unidirectional pulse driving method of a smectic state liquid crystal display. The method comprises the following step: carrying out line-by-line scanning driving on a display screen, wherein scanning and driving one line comprises: applying corresponding voltage waveforms to each row and each column in a scanning phase; applying 0v voltage to all the rows and the columns in a group phase; applying the corresponding voltage waveforms to the each row and the each column in a DC equilibrium phase, wherein the voltage waveforms applied to the each row and the each column in the scanning phase has a certain of corresponding relationship with the voltage waveforms applied to the each row and the each column in the DC equilibrium phase. Therefore, by using the method of the invention, under the condition that DC equilibrium can be guaranteed during a whole period, scanning and driving can be realized only with the unidirectional voltage waveform. It is simple to drive the voltage waveform. Driving difficulty is low and hardware circuit cost is low.

The invention discloses a full-hydraulic driving type fruit tree pruning machine and equipment. According to the pruning machine and the pruning equipment, the problems that the pruning labor intensity is high, the production efficiency is low, and mechanized pruning devices are immature in the prior art are solved, and the requirements on pruning heights, pruning tree forms and pruning uniformityof different fruit trees can be satisfied. The technical scheme is as follows: the pruning machine comprises a pruning device, a stander assembly and a hydraulic system assembly, wherein the pruningdevice comprises an upper part pruning device, a middle pruning device and a lower part pruning device, the upper part pruning device is rotatably connected to the top end of the middle pruning device, and the lower part pruning device is rotatably connected to the bottom end of the middle pruning device; the stander assembly is rotatably connected with the middle pruning device, and the pruning machine can be moved along the horizontal and vertical directions relative to the stander assembly; and the hydraulic system assembly comprises an upper part adjusting oil cylinder, a lower adjusting oil cylinder and an angle adjusting oil cylinder, the upper part adjusting oil cylinder is used for adjusting an angle of the upper part pruning device, the lower part adjusting oil cylinder is used for adjusting an angle of the lower part pruning device, and the angle adjusting oil cylinder is used for adjusting an angle of the pruning device.

The invention discloses a laser scanning cutting optical system based on four rotary optical wedges. The laser scanning cutting optical system comprises an aberration eliminating collimating lens set,a first round-wedge-shaped lens, a second round-wedge-shaped lens, a third round-wedge-shaped lens, a fourth round-wedge-shaped lens and an aberration eliminating focusing lens set. The wedge-shapedface of the second round-wedge-shaped lens deviates from or is opposite to the wedge-shaped face of the first round-wedge-shaped lens. The wedge-shaped face of the third round-wedge-shaped lens is opposite to the wedge-shaped face of the fourth round-wedge-shaped lens. The aberration eliminating collimating lens set, the first round-wedge-shaped lens, the second round-wedge-shaped lens, the thirdround-wedge-shaped lens, the fourth round-wedge-shaped lens and the aberration eliminating focusing lens set are in shapes of cylinders coaxial with respect to the central axis, the first round-wedge-shaped lens, the second round-wedge-shaped lens, the third round-wedge-shaped lens and the fourth round-wedge-shaped lens can rotate around the central axis. The laser scanning cutting optical systembased on four rotary optical wedges is suitable for high-power fiber laser cutting application, can remarkably improve the cutting speed and quality of medium-thickness boards and effectively improvesthe perpendicularity of the cutting cross sections and board surfaces of the boards.

The invention provides a foldable-fan-type rotor wing used for vertical take-off and landing of an aircraft, and belongs to the technical field of aircrafts. The rotor wing is provided with a plurality of blades, which can be opened during take-off and landing and be folded during flight like a foldable fan. The rotor wing includes one or more rotating shafts in opposite rotating directions, each of the rotating shafts drives a plurality of shaft sleeves which are matched vertically to each other, and a plurality of the blades, each shaft sleeve connected to each blade. Each rotating shaft is connected to the lowest shaft sleeve and drives it to rotate, and successively, the lower one shaft sleeve drives the upper one shaft sleeve. One-directional matching structures are disposed on the upper and lower end surfaces of each shaft sleeve, thus forming upper and lower matching surfaces. A matching angle is formed by means of a rotatable space between the matching surfaces of the shaft sleeves. When the shaft sleeves rotate forwardly, locking driving is completed, and when the shaft sleeves rotate reversely, the shaft sleeves can freely rotate for restoration. The foldable-fan-type rotor wing can freely change the aerodynamic configuration of the rotor wing according to flight situation, thereby reducing resistance, improving lifting force, avoiding vibration, and achieving stable conversion and effective compatibility between two operation modes of vertical take-off and landing and horizontal flight. The foldable-fan-type rotor wing has cooperative mechanism, simple structure, low cost, high reliability and good adaptability, etc.

The invention provides a steering light auxiliary control method and device. The steering light auxiliary control method includes the steps that a first speed of a first wheel and a second speed of asecond wheel are obtained; a difference value between the first speed and the second speed is calculated; if an absolute value of the difference value between the first speed and the second speed is greater than a preset threshold value, a working state of a steering light is obtained; and according to the working state of the steering light, the steering light is controlled to turn on, wherein the working state of the steering light includes a turn-on state and a turn-off state. According to the steering light auxiliary control method, on the one hand, a driving state of a vehicle can be accurately judged to assist a driver to automatically control the steering light, operation of the driver is reduced, thus the driving difficulty is lowered, on the other hand, danger caused by the driverforgetting to turn on the steering light can be effectively lowered, and driving safety of the vehicle is improved.

The invention relates to an invisible aircraft carrier with higher combat power and survivability, which is characterized in that a warship surface angled deck is omitted on the basis that overall width of the deck is greatly decreased, so that an aircraft recovering runway is changed to be arranged at the middle part of the deck, therefore, the whole aircraft carrier hull are manufactured into relatively regular strips; most width and length spaces under the deck of an aircraft are manufactured into a garage, a double-layer garage can be manufactured under local chip surface further, the garage under the deck of the aircraft deck is in a penetrating manner, and some sliding door type bulletproof partition boards capable of left-right movement are arranged; four to five aircraft flying and recovering hatchways are arranged at the middle part of the tail part of the aircraft deck and the middle and front warship surface sides or near-side warship surface part or the warship surface, partial ejectors can be arranged at the front warship surfaces of the aircraft flying and recovering hatchways arranged at the tail part and the middle part, and a jumping deck also can be arranged at the forefront of the warship body.

The invention discloses a rear wheel steering driving mechanism for an electric racing car and the electric racing car. A motor of the rear wheel steering driving mechanism is arranged at one end of amotor supporting seat, and a second gear is arranged on a rotating shaft of the motor; an encoder is arranged at one end of an encoder supporting seat, and an encoder synchronous pulley is arranged on an output shaft of the encoder; a first gear is connected with a lead screw in a threaded mode, and a lead screw synchronous pulley and the first gear are fixed; the two ends of the lead screw are rotatably connected with the two supporting seats; and the first gear meshes with the second gear, and the lead screw synchronous pulley is connected with the encoder synchronous pulley through a conveyor belt. The rotating shaft of the motor sequentially drives the second gear, the first gear, the lead screw, the lead screw synchronous pulley, the encoder synchronous pulley, and the output shaft of the encoder to rotate, data acquisition of the encoder is realized, rotating angle data of the first gear can be calculated according to the collected data, accurate control over the rear wheel steering is realized, the dynamic response is realized, and the problem that in the prior art, a rear wheel driving mechanism cannot realize the dynamic response is solved.

The embodiment of the invention provides a data display method and device, and the method comprises the steps: obtaining a display request which comprises a display mode and display data; Determininga previous area of the vehicle-mounted display screen according to the display mode, and analyzing and processing the display data; And displaying the analyzed display data on the region. According tothe method provided by the embodiment of the invention, the vehicle-mounted display screen can perform corresponding information display in a plurality of areas at the same time, so that the switching operation frequency of a driver is reduced, the vehicle safety problem caused by operations such as driver switching in the driving process is reduced, and the driving difficulty of a vehicle-mounted scene is reduced.

The sports bicycle capable of being used as scooter has a front wheel, a back wheel, a connection mechanism, steering mechanism on the front wheel and driving mechanism on the back wheel. It features that the driving mechanism includes support comprising straight rod with locating hole and cross beam and connected to the fork of the steering mechanism, spring on the support, pedal unit with locating pin matching the locating hole, and gear meshed to the inner teeth in wheel ring. The present invention integrates the functions of both scooter and bicycle, may be used as walking tool and for recreation and body building, and is especially suitable for amateur of extreme sports.

The invention provides a control method for preventing reversing of a blade electric vehicle during starting. The method comprises the following steps that if the electric blade vehicle is started and is in a forward gear and when a motor is in the negative rotating speed, a whole vehicle controller detects the state of the electric vehicle, and if the state of the electric vehicle meets the stall condition, the whole vehicle controller sends a signal to a motor controller to request the motor controller to carry out control of the zero rotating speed, the motor rotating speed is kept at zero, and the vehicle is kept still; and if not, a voice prompting system is started, and a driver is reminded to pay attention to driving. The invention further provides a control system for preventing reversing of the blade electric vehicle during starting. Driving of a user is facilitated, and the starting safety is guaranteed.

The invention relates to the technical field of traffic safety, and discloses a low-speed damping mechanism of a deceleration strip, the low-speed damping mechanism comprises a shell, the upper end of an inner cavity of the shell is movably sleeved with a movable block, the cross section of the movable block is T-shaped, and the lower end of the movable block is provided with a first movable cavity. By arranging the low-speed damping mechanism, when a vehicle passes through the deceleration strip at a low speed, after a tire is pressed on the upper surface of the movable block, air at the lower end of the movable block moves downwards into the air cavity through the vent hole when the movable block overcomes the elastic force of the first spring, so that the movable block moves downwards by a certain distance; therefore, the gradient of the deceleration strip on the road surface is reduced, the vibration amplitude is small when a vehicle with a low speed passes through the deceleration strip, and when the vehicle passes through the deceleration strip at a high speed, air at the lower end of the movable block cannot quickly move into the air cavity due to the small hole diameter of the vent hole, so that the height change amplitude of the movable block is small. Therefore, the effect of warning deceleration is achieved.

The invention provides a visual angle controllable blue phase liquid crystal display with a double-layer electrode structure. The visual angle controllable blue phase liquid crystal display comprisesan upper substrate, an upper substrate plane electrode, a liquid crystal layer, an upper layer pixel electrode, insulating layers, a lower layer pixel electrode, an upper-layer common electrode, a lower-layer common electrode and a lower substrate, the upper substrate and the lower substrate are arranged in parallel, the liquid crystal layer is made of blue phase liquid crystal materials, the upper substrate comprises a lambda / 2 double-axis compensation film, an upper substrate polarizing film and an upper substrate glass layer, the lower substrate comprises a lower substrate glass layer and alower substrate polarizing film, the upper substrate polarizing film is perpendicular to the light transmission axis direction of the lower substrate polarizing film, the upper-layer pixel electrode, the lower-layer pixel electrode, the upper-layer common electrode and the lower-layer common electrode are arranged on the lower substrate at intervals, the upper-layer pixel electrode and the lower-layer pixel electrode are separated by the insulating layer, the upper-layer common electrode and the lower-layer common electrode are separated by the insulating layer, and by applying or not applying a bias voltage to the upper substrate plane electrode, the conversion between a narrow-view-angle mode and a wide-view-angle mode is realized. The visual angle controllable blue phase liquid crystal display with the double-layer electrode structure has the characteristics of being low in voltage, high in transmittance and convenient to operate.