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54results about How to "Back slip" patented technology
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Electronic hill-holding control system and electronic hill-holding control method for electric vehicles
ActiveCN103182952ABack slipContinuous and reliable processSpeed controllerElectric energy managementControl systemElectric machine
The invention relates to an electronic hill-holding control system and an electronic hill-holding control method for electric vehicles. The control system comprises a motor controller, a hill-holding module and a hill start module, the hill-holding module is used for judging whether a vehicle moves backwards on a hill according to the gear position of the vehicle and the turning of wheels, sending a hill-holding signal to control the motor controller to be switched from a torque control mode to a speed control mode when not detecting the braking signal of a brake device and controlling the rotational speed of the wheels to be zero; and the hill start module is used for sending a starting signal to control the motor controller to be switched from the speed control mode to the torque control mode controlled by an accelerator when the given torque of the accelerator is higher than the torque needed by hill holding. By switching the control modes of the motor controller when judging hill holding and hill start, the invention can automatically carry out the hill-holding and hill start functions of the electric vehicle, the whole process is continuous and reliable, and the vehicle is prevented from moving backwards when starting on the hill.
Owner:SUZHOU INOSA UNITED POWER SYST CO LTD
Hill starting sliding prevention control method and device and electronic equipment
ActiveCN108819944AAchieve a smooth startBack slipExternal condition input parametersDriver input parametersControl delayHybrid vehicle
The invention provides a hill starting sliding prevention control method and device and electronic equipment and relates to the technical field of automobile starting control. The hill starting sliding prevention control method comprises the steps of calculating a gradient desired torque and a driver desired torque which overcome gradient resistance when detecting that a vehicle carries out hill starting and an automatic hold AVH function of an electronic stability program ESP is started; transmitting a torque output instruction to a power system according to the gradient desired torque and the driver desired torque so that the power system carries out braking; calculating a current actual torque of the power system; and transmitting a control instruction to the ESP to control the vehicleto start according to the current actual torque, the gradient desired torque and the driver desired torque. According to the hill starting sliding prevention control method, the power system and the ESP are controlled in a coordinated manner to avoid a backward sliding phenomenon and realize stable starting of a hybrid vehicle on a ramp; the control delay and uncertainty are reduced; and the control performance is improved.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
Electric automobile ramp parking control method and control system and electric automobile
ActiveCN110605971AImprove working conditionsBack slipSpeed controllerBraking action transmissionDriving safetyBrake torque
The invention relates to the technical field of electric automobiles, and discloses an electric automobile ramp parking control method, an electric automobile ramp parking control system and an electric automobile. The electric automobile ramp parking control method includes following steps: amending motor rotation speed signals according to automobile gear positions; performing low pass filteringon the amended motor rotation speed signals, and obtaining a low frequency signal of the motor rotation speed signals; comparing the low frequency signal of the motor rotation speed signals with a set range value of a zero interval of motor rotation speed, and obtaining first motor rotation speed not within the zero interval range of the motor rotation speed; obtaining rotation speed deviation and accelerated speed deviation through the first motor rotation speed; judging if an automobile slip prevention function is started, and if yes, obtaining slip prevention torque according to the rotation speed deviation and the accelerated speed deviation; and comparing the slip prevention torque with current brake torque of the automobile, and outputting compensation torque so as to park the automobile. The electric automobile ramp parking control method effectively prevents the automobile from slipping back on a ramp, and improves driving safety.
Owner:CHINA FIRST AUTOMOBILE
Urban rail vehicle starting control method
InactiveCN105292123AShorten start delay timeReduce tractionExternal condition input parametersUrban railAutomotive engineering
The invention discloses an urban rail vehicle starting control method comprising the following steps: A. when a vehicle stops, calculating a simulation rampway Alpha of a stopping route; B. when the vehicle is in a starting state, calculating simulation slipping force F1 on the simulation rampway, increasing traction force F2, and when the F2 is equal to F1, starting relieving to maintain braking; and C. keeping braking while performing complete relieving, staring the vehicle, and increasing F2 to target traction force. According to the urban rail vehicle starting control method, the starting delaying time of the urban rail vehicle is shortened on a basis that a function of preventing the vehicle from backward slipping is realized, the traction force and impact force during starting are reduced.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO
Ramp assist control method using permanent-magnet synchronous motor driving control system
InactiveCN105711442AReduce escapeBack slipSpeed controllerElectric machinesVoltage vectorSynchronous motor
The invention provides a ramp assist control method using a permanent-magnet synchronous motor driving control system.The permanent-magnet synchronous motor driving control system has a ramp assist control mode and is used for ramp assist control of electric automobiles.The ramp assist control method is characterized by comprising the steps that a ramp assist control module judges whether an automobile enters the ramp assist control mode or not according to an automobile gear signal, an accelerator pedal signal, a braking signal and the wheel steering direction; when the automobile gear signal represents a forward gear, but the speed detected by a speed sensor module is a negative value, and meanwhile the braking signal and the accelerator signal are not detected out, the ramp assist control module starts to work, a fixed space voltage vector and a zero voltage vector are output to act with a permanent magnet of a permanent-magnet motor to produce torque, and the automobile is prevented from sliding backwards.
Owner:沈阳正大自控工程有限公司
Shopping cart
InactiveCN104097675ABack slipAchieve unlockHand carts with multiple axesHand cart accessoriesObject storageCart
The invention discloses a shopping cart which comprises a cart frame, an object storage basket, front wheels, rear wheels and a brake device. The object storage basket is installed on the cart frame, the two front wheels and the two rear wheels are connected on two sides of the cart frame, and the two rear wheels are connected through a rotating shaft fixed on the cart frame. Each rear wheel comprises a tripod and rollers, three legs of the tripod are connected with the rollers which are connected with the brake device, the brake device is installed on the tripods and the cart frame, and each tripod sleeves the rotating shaft and can rotate around the rotating shaft. The shopping cart has functions of braking and folding, and is simple in operation and safe in use. The shopping cart can cross over obstacles like steps even in the braking process, and the storage space is effectively saved when the shopping cart is folded.
Owner:梁达兵
Anti-slope-slipping structure with warning function
InactiveCN110924325AImprove securityEnsure safetyTraffic signalsRoad signsSpeed bumpStructural engineering
The invention discloses a slope sliding prevention structure with a warning function. The deceleration strip comprises a first deceleration strip body, a second deceleration strip body and a slope used for installing the first deceleration strip body and the second deceleration strip body. A plurality of first grooves and a plurality of second grooves are formed in the slope; the first deceleration strip is arranged in the first groove in a sliding and sealing manner; the bottom of the first groove and the first deceleration strip are directly and fixedly connected with a plurality of first buffer assemblies; an air inlet hole communicated with the first groove is formed in the side wall of the first deceleration strip; a first one-way pressure valve is installed in the air inlet hole, thesecond deceleration strip is arranged in the second groove in a sliding and sealing mode, a plurality of second buffer assemblies are fixedly connected between the bottom of the second groove and thesecond deceleration strip, an air guide pipe communicated with the second groove is arranged on the second deceleration strip in a penetrating mode, and a second one-way pressure valve is installed in the air guide pipe. The vehicle anti-slip device can effectively improve the anti-slip effect of an vehicle when the vehicle goes uphill, and also has a certain warning effect.
Owner:张润琛
System and method for controlling traveling of automobile by mobile terminal
ActiveCN102221833ABack slipControl power outputTelephonic communicationTotal factory controlComputer terminalAutomotive engine
The invention discloses a system and a method for controlling the traveling of an automobile by a mobile terminal. The system comprises the mobile terminal and an automobile microprocessor. The mobile terminal comprises a detection unit, a climbing angle acquisition unit, a traction generation unit and a transmission unit, wherein the detection unit is used for detecting whether the automobile isin a climbing state or not; the climbing angle acquisition unit is used for acquiring a climbing angle of the automobile; the traction generation unit is used for calculating and generating a minimumtraction numerical value required by the climbing according to the climbing angle of the automobile and the gravity of the automobile; and the transmission unit is used for transmitting the minimum traction numerical value required by the climbing to the automobile microprocessor. The automobile microprocessor is used for controlling the power output of an automobile engine controller according to the received traction numerical value to prevent the automobile from sliding backwards. In the system and the method, the power output of the automobile is flexibly controlled in the climbing in combination with the mobile terminal commonly used by a driver so as to effectively prevent the automobile from sliding backwards.
Owner:路亚科消防车辆制造有限公司
Battery electric vehicle slope-holding method
ActiveCN110745011ASimple logical structureImprove reliabilitySpeed controllerElectric energy managementElectric machineBattery electric vehicle
The invention provides a battery electric vehicle slope-holding method. The battery electric vehicle slope-holding method is characterized by comprising a slope-holding state judging step, wherein whether a vehicle is in a slope slipping state or not is judged, a judging result when the vehicle is in the slope slipping state or in the non-slope-slipping state is obtained, and if the judging resultshows that the vehicle is in the non slope slipping state, the flow is ended or enters in the set subsequent step; a slope-holding torque initialization step, wherein if the judging result shows thatthe vehicle is in the slope-slipping state, according to the current rotating speed n, slope-holding torque is initialized; and a toque change gradient determining step, wherein after the slope-holding torque is initialized, according to the current motor rotating speed n and the actual output torque at the moment, different torque change gradients delta Trq are set. According to the battery electric vehicle slope-holding method, the advantages of being simple in logic structure and high in reliability are achieved.
Owner:SHANGHAI LECKON ELECTRICAL TECH CO LTD
Full-automatic hydraulic conveying belt clamping and traction equipment
PendingCN107618808ABack slipEnsure continuous and stable transmissionConveyorsMetal working apparatusEngineeringReciprocating motion
The invention relates to the technical field of mine equipment, in particular to full-automatic hydraulic conveying belt clamping and traction equipment. The equipment comprises a base and clamping and traction units; the two clamping and traction units are provided, and are both arranged on the base; each clamping and traction unit comprises a traction device and a clamping device; the clamping devices are connected with the base through the traction devices; and a reciprocating motion of the clamping devices is realized through the traction devices. The clamping devices comprise vertical slide modules capable of moving, and vertical fixed modules; and gaps between the vertical slide modules and the vertical fixed modules can be changed through movement of the vertical slide modules to realize a clamping or releasing motion. The traction devices are double-acting flange oil cylinders. The whole equipment is convenient to adjust and use, simple in operation and high in automation degree, can realize continuous transmission of a conveying belt, and is high in safety. The equipment is belt replacement and traction equipment with simple structure, safety, high efficiency and high automation degree.
Owner:山西新格机电科技有限公司
Mechanism capable of realizing forward transmission for two-way driving and reverse transmission for one-way locking
PendingCN110748580ASimple structureReduce manufacturing costFreewheel clutchesDrive shaftEngineering
The invention discloses a mechanism capable of realizing forward transmission for two-way driving and reverse transmission for one-way locking. The mechanism comprises a driving shaft, a driven shaftand a fixed shell. Locking grooves are formed in the end face of the driven shaft, engaging teeth are arranged on the end face of the driving shaft, and the engaging teeth are located in the locking grooves. The fixed shell is arranged at the matching position of the driving shaft and the driven shaft in a sleeving mode. Locking mechanisms are arranged in the locking grooves. When the forward-transmission driving shaft rotates reversely and the reverse-transmission driven shaft rotates forwards, the locking mechanisms move away from the inner wall of the fixed shell, so that the driving shaftis in normal transmission fit with the driven shaft. When the reverse-transmission driven shaft rotates reversely, the locking mechanisms are pressed on the inner wall of the fixed shell, so that thedriven shaft is clamped on the fixed shell. According to the mechanism capable of realizing forward transmission for two-way driving and reverse transmission for one-way locking, the function of forward transmission for two-way driving and reverse transmission for one-way locking is realized through the improvement of the matching position of the driving shaft and the driven shaft; and the cost islow, the structure is compact, the occupied space is small, and spatial layout difficulty is low.
Owner:CHONGQING LONGWANG ELECTROMECHANICAL
Automobile maintenance supporting frame
Owner:广州市鹭江远科技有限公司
Anti-backward motion device of car
InactiveCN105711564ABack slipResolve slippery dangerous situationsPortable braking systemVehicle frameEngineering
The invention discloses an anti-backward motion device of cars. The anti-backward motion device comprises a frame connection portion and a stretching anti-thrust portion, wherein the frame connection portion is a main body frame with a lower opening, the extension anti-thrust portion comprises a slide block, a first drive mechanism, a stop block, a second drive mechanism, a first rotating mechanism and a second rotating mechanism, the slide block is connected with an opening end of the main body frame in a sliding manner, the first drive mechanism drives the slide block to move horizontally, the stop block moves together with the slide block, the second drive mechanism drives the stop block to stretch, the first rotating mechanism drives the second drive mechanism to rotate, and the second rotating mechanism drives the stop block to rotate. The anti-backward motion device is improved on the basis of the original frame of the car, the motor can be powered by an operator through an operation switch, the motor can drive a hydraulic lever to swing up and down for a given angle to extend out a secondary hydraulic lever, and the position of a wedge block on the front section can be adjusted by virtue of a stepper motor on the wedge block, so that the car is at a parking safety state, and the backward motion of the car when the car is stopped and started on a ramp can be effectively prevented.
Owner:NANCHANG INST OF TECH
Automobile anti-slip auxiliary driving system and operation method thereof
ActiveCN108189630ABack slipEasy to startAuxillary traction increasing equipmentElectric/fluid circuitData informationComputer module
The invention discloses an automobile anti-slip auxiliary driving system, which comprises a data collecting module, a judging control module and a command execution module, wherein the data collectionmodule transmits each piece of collected data information to the judging control module in real time; the judging control module is used for receiving information from the data collecting module, analyzes the information and then sends control instructions to the command execution module; the command execution module receives the control instruction from the judging control module and executes the action according to the control instructions. The invention also discloses an operation method of the automobile anti-slip auxiliary driving system. The operation method has the advantages that theaction of the command execution module is controlled in real time by the judging control module according to the data information collected by the data collection module; the anti-slip function, the predicament avoiding function and the normal driving function are respectively realized. The intelligent control can be realized in the use process of the anti-slip auxiliary driving system; safer guarantee is provided for the automobile taking traveling of people.
Owner:QINGDAO HUANGHAI UNIV
shopping cart
InactiveCN104097675BBack slipAchieve unlockHand carts with multiple axesHand cart accessoriesVehicle frameAgricultural engineering
The invention discloses a shopping cart which comprises a cart frame, an object storage basket, front wheels, rear wheels and a brake device. The object storage basket is installed on the cart frame, the two front wheels and the two rear wheels are connected on two sides of the cart frame, and the two rear wheels are connected through a rotating shaft fixed on the cart frame. Each rear wheel comprises a tripod and rollers, three legs of the tripod are connected with the rollers which are connected with the brake device, the brake device is installed on the tripods and the cart frame, and each tripod sleeves the rotating shaft and can rotate around the rotating shaft. The shopping cart has functions of braking and folding, and is simple in operation and safe in use. The shopping cart can cross over obstacles like steps even in the braking process, and the storage space is effectively saved when the shopping cart is folded.
Owner:梁达兵
Anti-backslide device and method for automobile hill starting
ActiveCN108189818ABack slipAchieve associativityBraking element arrangementsBrake safety systemsVehicle frameElectromagnetic clutch
The invention provides an anti-backslide device and method for automobile hill starting. The device comprises a detection mechanism, an executing mechanism and an ECU, wherein a gear a is arranged ona reel-wheel axle of an automobile, a rotating shaft parallel to the rear-wheel axle is arranged on an automobile frame, a gear b on the rotating shaft is meshed with the gear a, and is combined witha one-way locking device through an electromagnetic clutch. The detection mechanism detects a hand brake position signal, a slope signal and a wheel speed positive and negative signal of rear wheels,and transmits the detected signals to the ECU, when a driver needs hill starting, an electronic control unit detects the hand brake signal, the slope signal and the wheel speed signal. On a certain slope, when the wheel speed is positive, the anti-backslide device is turned off, when the wheel speed is negative, the electromagnetic clutch is combined with the anti-backslide device, the one-way locking device locks the rear wheel axle reversely to prevent sliding backward. The anti-backslide device has the advantages of being simple in structure, being easy to install, and having a better anti-slip effect.
Owner:JIANGSU UNIV
Device for preventing car from slipping backwards on ramp
InactiveCN102717783ADriving safety on rampsSimple device structureBraking element arrangementsAerospace engineeringEngineering
The invention discloses a device for preventing a car from slipping backwards on a ramp, and relates to the field of vehicle structures, in particular to a facility for preventing a vehicle from slipping backwards on the ramp. The vehicle is easy to slip backwards to cause the danger on the ramp. The device for preventing the car from slipping backwards on the ramp aims to overcome the disadvantage that the vehicle slips backwards on the ramp. The technical scheme is that: a handle can pull up an anti-back-slip device and is provided with a hanging rod, the hanging rod ensures that the anti-back-slip device can be hung, and the vehicle can only apply a reversing function after two movable blocks are hung; the two movable blocks of the device are connected by a connecting shaft; fixed blocks of the device are fixed behind front wheels, the movable blocks of the device and the fixed blocks of the device are connected by springs, each movable block of the device and each fixed block of the device are provided with an engagement surface respectively, and a small rolling wheel is arranged on the front part of each movable block of the device; and the surface, which is contacted with the ground, of each movable block of the device is made of an antiskid material. The invention has the advantages that the device limits the vehicle to slip backwards, so that the driving on the ramp is relatively safe; the device has a simple and effective structure, and does not affect the driving of the vehicle; and the engagement surfaces ensure the stability of contact performance.
Owner:SICHUAN UNIV
Auxiliary device for vehicle uphill and downhill
ActiveCN108486981AReduce speedImprove securityTemporary pavingsComputer moduleGenerators (Apparatus)
The invention designs an auxiliary device for vehicle uphill and downhill. The auxiliary device for the vehicle uphill and downhill comprises roller devices, a damping wheel, a position and speed detection device, a solar panel, an electric generator device, a storage battery, a LCD display screen, a controller module. The roller devices, the damping wheel, the position and speed detection device,the solar panel, the electric generator device, the storage battery and the LCD display screen are all connected with the controller module. When a vehicle passes an uphill road, the roller devices provide the forward power for the vehicle by rotating, and the vehicle can be prevented from slipping back. When the vehicle passes through the roller devices, arranged side by side, on a downhill roadsurface, the position and speed information of the vehicle is detected by the position and speed detection device, the controller displays the speed on the LCD display screen; the greater the speed,the greater the damping of the damping wheel on the roller devices; and if the vehicle speed exceeds a certain threshold, the auxiliary device is simple in structure design, is more effective than a general uphill and downhill auxiliary device, and the effect is better.
Owner:温州品力智能幕墙门窗有限公司
Whole vehicle body acting type intelligent danger avoiding lane system and vehicle danger avoiding method
ActiveCN111489562AReduce secondary damageBest braking forceDetection of traffic movementAnti-collision systemsControl engineeringControl theory
The invention discloses a whole vehicle body acting type intelligent danger avoiding lane system and a vehicle danger avoiding method, belongs to the technical field of traffic safety, and solves a problem that secondary damage is likely to happen to an out-of-control vehicle in a braking process. The system comprises an information acquisition module, a controller, an energy dissipation and brakekeeping device and a power supply module. The information acquisition module is mounted at a position 50-100m away from the front of an entrance of an approach channel; and the information acquisition module is used for acquiring a vehicle speed, total weight and an outer contour of a vehicle and transmitting parameters to the controller, the controller is used for controlling the energy dissipation and brake keeping device, and the energy dissipation and brake keeping device is installed at the entrance of a brake lane. Effective utilization of a maximum braking distance can be ensured so that maximum braking time is achieved, an acting force of a vehicle body is reduced as much as possible on the premise that an impulse is fixed, and a risk degree of secondary damage in a deceleration process is reduced.
Owner:CHONGQING JIAOTONG UNIVERSITY
Combing type serrated mechanical arm and control method thereof
PendingCN110063137APrevent popupAvoid cutsProgramme-controlled manipulatorGripping headsRobotic armEngineering
The invention discloses a combing type serrated mechanical arm which comprises a casing, a plurality of comb teeth, movable saw teeth and a sliding connection mechanism, wherein the comb teeth are integrally connected with the casing and distributed on one side of the casing in an array; the movable saw teeth are arranged in parallel with the comb teeth; the sliding connection mechanism is detachably arranged in the casing and connected with the movable saw teeth; wherein the sliding connection mechanism is capable of driving the movable saw teeth to slide in the array direction of the comb teeth. The invention designs and develops the combing type serrated mechanical arm, the comb teeth at the front end can be used for accurately positioning the picking height, and then the sliding connection mechanism can drive the movable saw teeth to slide relative to the comb teeth to cut roots of litchi, as a result, the cutting and pickup can be performed accurately through the combination of the comb teeth and the sliding connection mechanism, and damage caused to fruits and shoots is less. The invention also provides a control method of the combing type serrated mechanical arm.
Owner:HUZHOU TEACHERS COLLEGE
Slippage preventing system for vehicular hill starting
A slippage preventing system for vehicular hill starting is mounted on an axle of driven wheels by a one-way brake starter through a support. The one-way brake starter comprises a ratchet wheel, a flywheel in a pawl structure or a ratchet-gear wheel in a shell, a rack push rod meshed with the flywheel in a pawl structure or the ratchet-gear wheel and a return spring on the rack push rod and a truckle, mounted on a same shaft with the flywheel or the ratchet-gear wheel, outside the shell. The slippage preventing system is controlled by a hydraulic passage or an inhaul cable connected with the same and disposed in a cab. During hill starting, the truckle is combined with a rim part of a brake disk or a hub, when slippage occurs, the rotating rim of the brake disk or the hub drives the truckle outside the shell and the flywheel or the ratchet-gear wheel in the shell to poke the rack push rod outwardly so as to compress an auxiliary brake pump piston at the position, braking is achieved by the aid of the hydraulic passage connected with the auxiliary brake pump and a driven wheel brake caliper or an auxiliary brake caliper, and braking stops when a vehicle advances.
Owner:杜占强 +2
Hand-pushed trolley with functions of assisting in going uphill and hindering going downhill and for construction site building
InactiveCN109484443AReduce thrustHigh speedHand carts with one axisHand cart accessoriesPull forceArchitectural engineering
The invention discloses a hand-pushed trolley with functions of assisting in going uphill and hindering going downhill and for construction site building. The hand-pushed trolley structurally comprises a rotatable chassis, walking wheels, adjustable support rods, sleeves, a trolley body, skid-resistance sleeves, telescopic armrests, a fixation top cover and a hinge cover, and the walking wheels are installed at the left and right sides of the trolley body. Compared with the prior art, the hand-pushed trolley has the advantages that assistance in going uphill is provided,, pushing force of a worker on the hand-pushed trolley is reduced, the speed at which the hand-pushed trolley goes uphills is increased, and the time and labor are saved; when the trolley goes downhill, resistance is provided, pulling force of the worker on the hand-pushed trolley is reduced, and the situation that the hand-pushed trolley slides downwards quickly is prevented; when the trolley goes uphill or downhill ona wet and slippery pavement, a magnet collides with a gasbag, airflow is blown to the ground, water in front of the walking wheels can be blown off or blown dry, friction of the walking wheels and the ground is increased to prevent the situation that the hand-pushed trolley slides backwards when the trolley goes uphill, the speed for going downhill is high, the trolley can be timely stopped whencolliding with stone, and the occurrence of the phenomenon that a building material slides or the hand-pushed trolley rolls over is avoided.
Owner:池青青
Outdoor landscape type ten-way intelligent charging station
PendingCN112046320AReasonable route planningEasy to chargeCharging stationsCycle standsAutomotive engineeringPublic place
The invention discloses an outdoor landscape type ten-way intelligent charging station in the technical field of charging stations. The charging station comprises a charging station foundation, a self-service machine vertical column is fixed at the top of the charging station foundation through a bolt, a charging self-service machine is installed at the top of the self-service machine vertical column, and ten groups of vehicle locking regions are uniformly arranged at the periphery of the charging station foundation. Charging vertical columns are arranged at the tops of joints between the vehicle locking regions and the charging station foundation. Charging sockets are evenly distributed around the charging self-service machine in a circumferential mode, the outdoor landscape type ten-wayintelligent charging station is reasonably built in an external open area, has reasonable line planning, facilitates charging for a user, meanwhile, guarantees charging safety, is suitable for charging electric vehicles in public places, and reduces occupied space, vehicle locking mechanisms capable of locking wheels are arranged on the front sides of the charging sockets, the wheels can be limited, and the phenomenon that the electric vehicles slide backwards or topple over in the charging process is avoided.
Owner:上海寰进电子科技有限公司
A vehicle driving safety control system
ActiveCN106274875BBack slipImprove securityBraking element arrangementsBrake system interactionsGear wheelWheel speed sensor
The invention relates to the technical field of automobile braking, in particular to a vehicle driving safety control system. The system comprises a controller, a hill-start backward sliding prevention control system, a driving emergency brake control system, a reverse tooth gear shaft sleeving an automobile transmission shaft and reverse teeth on the reverse tooth gear shaft, wherein the hill-start backward sliding prevention control system comprises a backward sliding prevention switch, a first-gear switch, a gradient sensor and a backward sliding prevention electromagnetic valve; when the condition is met, the controller electrifies the electromagnetic valve, armature pusher rods moves downwards to press a lock rod to press against the reverse teeth and prevent the transmission shaft from rotating anticlockwise; the driving emergency brake control system comprises a pedal position sensor, a pusher rod extreme position switch, a reverse switch, a wheel speed sensor and an emergency brake electromagnetic valve; during electrification under the condition, the two armature pusher rods press the reverse teeth from the two sides to prevent the transmission shaft from rotating clockwise and anticlockwise. The vehicle driving safety control system has functions of prevention of a vehicle from sliding backwards and automatic emergency braking, so that the safety of the vehicle can be improved, and vehicle accidents are effectively avoided.
Owner:周茂敬
Anti-backward sliding device for car hill starting
PendingCN106828447AGuaranteed normal startBack slipBraking element arrangementsAutomotive transmissionBevel gear
The invention relates to an anti-backward sliding device for car hill starting, and belongs to the technical field of vehicle braking. The device comprises a first spiral bevel gear, a second bevel gear, a one-way bearing, a spline, a reset spring, a shifting fork and a hydraulic device. An automobile gearbox is improved, in this way, an automobile can park on a hill without any anti-backward sliding operation, and normal starting of the automobile can be guaranteed. The anti-backward sliding device can prevent backward sliding during hill starting of the automobile, avoids collision accidents with vehicles behind the automobile and improves the stability and safety during hill starting of the automobile.
Owner:EAST CHINA JIAOTONG UNIVERSITY
A car uphill assist device
ActiveCN108486981BReduce speedImprove securityTemporary pavingsElectric generatorAutomotive engineering
The invention designs an auxiliary device for vehicle uphill and downhill. The auxiliary device for the vehicle uphill and downhill comprises roller devices, a damping wheel, a position and speed detection device, a solar panel, an electric generator device, a storage battery, a LCD display screen, a controller module. The roller devices, the damping wheel, the position and speed detection device,the solar panel, the electric generator device, the storage battery and the LCD display screen are all connected with the controller module. When a vehicle passes an uphill road, the roller devices provide the forward power for the vehicle by rotating, and the vehicle can be prevented from slipping back. When the vehicle passes through the roller devices, arranged side by side, on a downhill roadsurface, the position and speed information of the vehicle is detected by the position and speed detection device, the controller displays the speed on the LCD display screen; the greater the speed,the greater the damping of the damping wheel on the roller devices; and if the vehicle speed exceeds a certain threshold, the auxiliary device is simple in structure design, is more effective than a general uphill and downhill auxiliary device, and the effect is better.
Owner:温州品力智能幕墙门窗有限公司
Automatic upward feeding and conveying device for aluminum profile machining
InactiveCN113682728ASolve the problem of slippagePrevent slippingConveyorsEngineeringStructural engineering
The invention discloses an automatic upward feeding and conveying device for aluminum profile machining, and relates to the technical field of aluminum profile machining. The automatic upward feeding and conveying device comprises a power mechanism, a conveying belt and a fixing frame, wherein the power mechanism is fixedly connected to the lower portion of the inner side of the fixing frame, the upper portion of the inner side of the fixing frame is movably connected with the conveying belt, the conveying belt comprises a crawler belt, a pipe groove and a clamping edge, the pipe groove is formed in the upper portion of the crawler belt, and the clamping edge is fixedly connected into the pipe groove. According to the automatic upward feeding and conveying device, through the power mechanism, the conveying belt and the fixing frame, the problems that an existing upward feeding and conveying device slides downwards and upward feeding separation is caused are solved.
Owner:佛山市迈德维尔智能科技有限公司
Portable automobile bracket
InactiveCN108284784ASimple structureHeight adjustableVehicle with loading rampVehicle carriersHydraulic cylinderEngineering
The invention relates to a portable automobile bracket, relating to the technical field of automobile tools. The portable automobile bracket comprises wheel bodies, a chassis, swinging rods and a hydraulic cylinder. The two wheel bodies are provided in parallel. The two wheel bodies are coaxially rotationally connected with a supporting column therebetween. The chassis is arranged between the twowheel bodies. The two swinging rods are provided in parallel. One end of each swinging rod is fixedly connected to the supporting column, and the other end of each swinging rod is hinged to the bottomof the chassis. A connecting rod is connected between the two swinging rods. The hydraulic cylinder is hinged to the bottom of the chassis. A telescopic rod of the hydraulic cylinder is hinged to theconnecting rod. One end of the chassis is fixedly connected with a drawbar, the other end of the drawbar is provided with a traction hole, and the other end of the chassis is hinged to a guide board.The portable automobile bracket achieves the technical effects that the structure is simple, the height is adjustable, and the use is convenient.
Owner:SHANDONG VOCATIONAL COLLEGE OF SCI & TECH
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