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32results about How to "Guaranteed safe parking" patented technology

A method for dynamically planning parking spaces according to traffic flow prediction

The invention relates to a method for dynamically planning parking spaces according to traffic flow prediction. The method is characterized by dynamically planning location, quantity and size of the parking spaces in corresponding areas according to predicated traffic flow and parking space demand to realize dynamic setting of the planned parking spaces; when more passage resources are needed, temporarily cancelling the parking spaces to improve passage efficiency; and when more parking spaces are needed, temporarily increasing the parking spaces to improve parking capability. Besides, by selecting the parking space setting places as needed, relationship between traffic efficiency and parking capacity can be balanced better, thereby achieving an optimal traffic solution; and during parkingspace customization, matching is carried out to form specific parking space sizes and positions according to vehicle types and driving characteristics, thereby ensuring safe parking of each vehicle,and meanwhile, improving reasonability of the parking spaces to the maximum degree. The method can realize setting reasonability of the parking spaces in the areas and ensure that passage efficiency is not affected.
Owner:耀灵人工智能(浙江)有限公司

Decoupling drive-by-wire brake system and control method thereof

The invention discloses a decoupling drive-by-wire brake system. The decoupling drive-by-wire brake system comprises an oil pot (01), oil pot liquid outlet check valves (02 and 03), a brake master cylinder (04), a pedal feeling simulator (PFS) (06), block valves (07 and 08), a linear normally closed valve (11), a high-pressure accumulator pressure sensor (12), a high-pressure accumulator (13), a motor-pump pressurization system (14), pipeline pressure increasing valves (15, 16, 17 and 18), pipeline pressure reducing valve (19, 20, 21 and 22), a pedal stroke sensor (23) and an ECU (31). According to the decoupling drive-by-wire brake system, compared with a configuration scheme that an auxiliary main cylinder is driven by a motor, the response requirement for the motor-pump system is reduced, the power requirement of the motor and the ECU is reduced, and the safety performance of the system is improved.
Owner:WUHU BETHEL ELECTRONICS CONTROL SYST

Double-storey stereo garage provided with automatic rotating and positioning parking mechanism

The invention provides a double-storey stereo garage provided with an automatic rotating and positioning parking mechanism. The double-storey stereo garage provided with the automatic rotating and positioning parking mechanism comprises a fixed parking rack provided with an upper-storey parking space and a lower-storey parking space, a picking-up rack used for picking a vehicle on the lower-storey parking space up to the upper-storey parking space, a stretching mechanism used for making the picking-up rack be connected with the fixed parking rack and making the picking-up rack slide on a ground sliding rail, vehicle carrying plates arranged in the upper-storey parking space and the lower-storey parking space of the fixed parking rack and used for carrying vehicles, oil cylinder lifting devices used for controlling the vehicle carrying plates to move up and down in the corresponding parking spaces, and a lifting mechanism used for controlling the upper-storey vehicle carrying plate to move vertically in the upper-storey parking space and the lower-storey parking space. According to the double-storey stereo garage provided by the invention, through the double-storey stereo design, the occupied area is small, and the number of the parking spaces is large; and a driver can leave only after parking a vehicle to the specific vehicle carrying plate, automatic rotating and positioning parking is achieved through the hydraulic lifting device, a hydraulic stretching device and a hydraulic rotating device, parking is convenient, and safe parking of the vehicle is guaranteed.
Owner:DONGHUA UNIV

Novel fixed bed slag gasification reaction furnace and gas production method thereof

PendingCN107446628AImprove decomposition rateRaise the pyrolysis gasification reaction temperatureChemical industryGasification processes detailsCombustion chamberDecomposition
The invention belongs to the field of coal chemical industry and coke gasification, and relates to chemical engineering, chemical technology and chemical equipment technology, and particularly relates to a reaction furnace with fixed bed slag gasification, liquid slag removal and fractional gasification and a technology thereof. The reaction furnace comprises a gasifier furnace, a slag hole, a combustion chamber, a quench chamber and an automatic coke or coal adding machine. The invention provides the novel reaction furnace with the fixed bed slag gasification, liquid slag removal and fractional gasification which utilizes crushed coal (anthracite, bituminous coal and coke) as raw materials, and can operate under normal pressure to 0.09MPa pressure. The reaction furnace can improve the gasification temperature, carbon conversion rate and steam decomposition rate and cold coal efficiency, has a high content of effective gases, relatively simple operation and maintenance, and compact and reliable equipment, is less in investment, small in waste water quantity and safe and environmentally friendly, can convert into relatively clean water gas, and completely realizes localization.
Owner:江西昌昱实业有限公司

Brake clamp device of magnetic levitation vehicle

The invention provides a brake clamp device of a magnetic levitation vehicle. The brake clamp device of the magnetic levitation vehicle comprises a brake rod structure and a driving mechanism. The brake rod structure comprises two clamp arms which are oppositely arranged, the first ends of the two clamp arms are each provided with a brake pad, two connecting rods are arranged in the middle portions of the two clamp arms, the two connecting rods can penetrate a frame, located below a rail, of the magnetic levitation vehicle, and the two ends of the two connecting rods are hinged to the two clamp arms respectively. The two ends of the driving mechanism are hinged to the second ends of the clamp arms respectively, so that the two clamp arms are driven to rotate with the two ends of the connecting rods as the supporting points, and the brake pads at the first ends of the two clamp arms clamp the rail. Safe parking of the magnetic levitation vehicle can be ensured, a connecting mechanism of the simple structure is adopted, the structure is simple, and the cost is low.
Owner:CRRC TANGSHAN CO LTD

Composite braking system and method of coke oven electric locomotive

ActiveCN102975739ALow failure rateHigh failure rate, weak stability and low efficiencyRailway braking systemsElectricityElectric machinery
The invention discloses a composite braking system of a coke oven electric locomotive. The system comprises an electromagnetic disc type brake and a pneumatic unit brake shoe brake, wherein the electromagnetic disc type brake is arranged on a walking device, the pneumatic unit brake shoe brake is arranged on a wheel, and when an electric control system controls a driving motor to slow down to a set speed, the electromagnetic disc type brake carries out main braking, and the pneumatic unit brake shoe brake carries out auxiliary braking. The invention also discloses a composite braking method of the coke oven electric locomotive. When the technical scheme is implemented, the system and the method have the following beneficial effects that the safe parking of the electric locomotive is ensured through determining the primary and secondary relation of the two kinds of brakes of the braking system in the braking work of the electric locomotive, the driving force sources of the two brakes are relatively independent, the braking force is provided in two modes of electric control and pneumatic control, the condition that all brakes cannot be in failure after the loss of one kind of driving force is guaranteed, the structure is simple, and the stability is high.
Owner:DALIAN HUARUI HEAVY IND COKE OVEN VEHICLE EQUIP +1

Method and device for fault diagnosis of shutdown solenoid valve and shutdown control system

The invention discloses a method and device for fault diagnosis of a shutdown solenoid valve and a shutdown control system. The method includes the steps that after a shutdown control signal is monitored and first time passes, whether the value of the rotating speed of an engine is larger than a preset rotating speed threshold value or not is detected, and when the value of the rotating speed is larger than the preset rotating speed threshold value, a fault of the shutdown solenoid valve is determined. The method and device can judge whether the engine stalls or not when the shutdown control signal is sent out, so that the opening and closing states of the shutdown solenoid valve are accurately judged, and then whether the shutdown solenoid valve itself breaks down or not is found. The method and device can judge the states of the shutdown solenoid valve for the control system and an aircraft pilot in time, so that the control system and the aircraft pilot timely adjust control law bases conveniently, and the safe shutdown of the engine is ensured.
Owner:CHINA AVIATION POWER MACHINE INST

Ship electric power propulsion supervising device and method

The invention relates to a ship electric power propulsion supervising device and method; the ship electric power propulsion supervising device comprises a monitoring device and a control device; powersupply system and electric power propulsion system equipment states are gathered, thus controlling the operations of the electric power propulsion system equipment; the monitoring device comprises anindustrial computer and an application program compiled by a high-grade language; the control device comprises a safety control unit and a main control unit; when the system runs, the safety controlunit gathers the important protection signals of the power supply system and electric power propulsion system equipment, thus determining the protection function of the system; the main control unit gathers equipment running signals, and controls the normal operation of the system according to control logics; the monitoring device gathers signals of the control device, and uses a friendly interface to display the data, alarms, forms and trends of the system; an interface playback function can assist crews to analyze abnormities. The monitoring and control functions are integrated, thus effectively improving the automation level of the power propulsion system; the safety control unit is arranged, thus effectively improving the safety and reliability of the system.
Owner:SHANGHAI MARINE EQUIP RES INST +1

Transmission power transmission system, transmission and vehicle

An embodiment of the invention provides a transmission power transmission system, a transmission and a vehicle, and relates to the field of vehicle engineering. The transmission power transmission system comprises a first input shaft, an intermediate shaft, a reduction gear set and a second input shaft; the first input shaft is sequentially provided with a plurality of gear driving gears in the length direction of the first input shaft; the middle shaft is sequentially sleeved with a plurality of gear driven gears in an empty mode in the length direction of the intermediate shaft; the gear driven gears mesh with the gear driving gears in a one-to-one correspondence mode; the intermediate shaft is in transmission connection with the reduction gear set; a synchronizer is arranged on the intermediate shaft and used for selectively driving one of the multiple gear driven gears to be in transmission with the intermediate shaft; the second input shaft is in transmission connection with the reduction gear set and provided with a clutch used for being in transmission connection with power input equipment. The transmission power transmission system can shift gears according to the running state of the vehicle, so that a driving motor of the electric vehicle runs in a high-efficiency interval, and the battery life is prolonged.
Owner:HAIMA AUTOMOBILE CO LTD +1

Safety protection method and device for maglev train

The invention discloses a safety protection method and device for a maglev train, a line where a maglev train is located is a line where a power supply rail is arranged on the whole line, and the method comprises the steps that a speed-related constraint item is set; and a first target parameter and a second target parameter of the maglev train are obtained, the first target parameter is a target position parameter and a target speed parameter of the maglev train obtained through data fusion, and the second target parameter comprises maglev train information and line information. and a safety protection curve of the maglev train and a train control curve of the maglev train are calculated by utilizing the first target parameter, the second target parameter and the speed related constraint item. The safety protection curve of the maglev train, the train control curve of the maglev train and the speed-related constraint items are used for controlling the maglev train to be safely stopped on the line where the power supply rails are arranged on the whole line, and the running safety and the running efficiency of the maglev train can be improved.
Owner:CRRC QINGDAO SIFANG CO LTD +1

Vehicle low-voltage power supply redundant loop based on functional safety, control method and vehicle

The invention discloses a functional safety-based complete vehicle low-voltage power supply redundant loop and a control method, and the method comprises the steps: monitoring the loop voltage and current in real time to realize the on-off of a circuit, and switching on a switch by a power supply protection device when the loop voltage and current are between the set upper and lower limit thresholds; and when the loop voltage or current exceeds the set upper and lower limit thresholds, the power supply protection device disconnects the switch, and the main loop and the redundant loop are independent through the on-off of the power supply protection device. The design of two-path power redundancy is achieved for key parts of driving, when one path fails, the other path at least can guarantee safe parking of a vehicle, and the requirements for safety and reliability are met.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Intelligent microgrid control system applied to parking lot

The invention discloses an intelligent microgrid control system applied to a parking lot. The intelligent microgrid control system can monitor states of vehicles in the parking lot in real time and simultaneously can accurately record information of the vehicles entering the parking lot. The intelligent microgrid control system applied to the parking lot comprises a controller, a parking lot exit,a parking lot entrance and a plurality of parking spots arranged in the parking lot, wherein the parking lot exit and the parking lot entrance are provided with barrier gates. By means of the intelligent microgrid control system applied to the parking lot, safe parking of the vehicles in the parking lot is ensured, and labor input for monitoring the vehicles is reduced.
Owner:QINGDAO TELD NEW ENERGY TECH CO LTD

Railway vehicle parking braking method and parking cylinder for implementing method

The invention relates to a railway vehicle parking braking method and a parking cylinder for implementing the method. The parking braking method comprises the specific steps that compressed air is charged into the parking cylinder, so that the parking cylinder is in an unlocking state, compressed air is charged into a brake cylinder, service braking is applied, compressed air in the brake cylinder is discharged, and service braking is relieved; the compressed air in the parking cylinder is discharged, so that the parking cylinder is in a locked state, the compressed air is filled into the brake cylinder, and parking brake is applied; and the parking cylinder is filled with compressed air, so that the parking cylinder is in an unlocking state, the compressed air in the brake cylinder is discharged, and parking brake is relieved. According to the designed parking braking method, a parking braking power source is not provided by a spring, fatigue attenuation cannot occur along with the running time of the vehicle, the braking force can be flexibly adjusted according to the load of the vehicle, and the driving safety is high.
Owner:CRRC QINGDAO SIFANG ROLLING STOCK RES INST +1

Tire stabilizer

The invention provides a tire stabilizer. The tire stabilizer comprises X-shaped supports, screw seats, screws and supporting seats, two groups of X-shaped supports are provided, each group comprises two X-shaped supports, an upper support rod and a lower support rod among the two X-shaped supports in each group are fixed through bolts, the two screw seats comprise a screw seat I and a screw seat II, the two screw seats are fixed to the bolts of the two X-shaped supports in each group respectively, a nut is arranged on one side of each screw, the other side of the screw horizontally penetrates through the screw rod seat I and then is in threaded connection with the screw rod seat II, the number of the supporting seats is four, and the sides, not connected with each other, of the support rods of the two groups of X-shaped supports are each fixedly provided with one supporting seat. After the structure is adopted, when the screw seat II moves towards one end of the nut along the screwing side of the screw, the two groups of X-shaped supports on the two sides of the screw extend towards the two sides until the two supporting seats at the two ends of the outer sides of the two groups of X-shaped supports abut against wheels and tires, and the two tires on one side of the motor home are mutually fixed, so that the motor home does can be stabilized without using a motor home jack or stones, wood blocks and the like.
Owner:FORCOME ZHEJIANG CO LTD

Method for improving braking comfort of vehicle

InactiveCN110525401AGuaranteed safe parkingReduce or eliminate shockBraking systemsRoad surfaceBrake force
The invention provides a method for improving the braking comfort of a vehicle. When the vehicle is about to be stopped, braking force to be applied to wheels is decided according to the slope of theroad surface, the performance of a brake, the weight of the vehicle, driving force applied to the wheels, the position of an accelerator pedal, the stroke or brake pressure of a brake pedal and the gradient of the brake pedal. The braking force is smaller than traditional braking force, so that impact on a driver and passengers is reduced or eliminated. The braking force differs under different conditions. However, the changes of the braking force neither affect the position of the brake pedal nor interfere with normal driving. When the vehicle stops, braking pressure is applied according to the slope of the road surface and the condition of the driver, so that the safe parking of the vehicle is ensured. When the method is adopted, pressure is reduced first and is then increased, so that impact can be eliminated.
Owner:WUHU BETHEL AUTOMOTIVE SAFETY SYST

Engine safety shutdown system and oil injection turn-off method and device of engine

ActiveCN112682192AGuaranteed safe parkingAvoid situations where the flame cannot be turned offElectrical controlInternal combustion piston enginesFlameoutControl theory
The invention provides an engine safety shutdown system and an oil injection turn-off method and device of an engine. The oil injection turn-off method of the engine comprises the steps that the state of a key switch T15 is monitored; when the T15 is located at the falling edge, a timer is triggered to start timing; and when the timing indication of the timer reaches the delay of the preset time, an oil injection turn-off path is activated. In the oil injection turn-off method of the engine, the trigger condition of oil injection turn-off only uses the state of T15 instead of any condition related to the original logic, so that the situation that flameout cannot be performed due to common cause failure or cascade failure between conditions with logic relationship caused by the same condition is avoided, and therefore the engine can be safely stopped.
Owner:WEICHAI POWER CO LTD

Automatic parking control system for vehicle, control method thereof, and vehicle

ActiveCN104943666BGuaranteed safe parkingAvoid accidents caused by unsafe parkingAutomatic initiationsElectric machineControl system
The present invention proposes an automatic parking control system for vehicles, including: a pawl; a P gear motor; a transmission assembly, which drives the pawl to move between the locked position and the unlocked position under the drive of the P gear motor The position sensor, the position sensor detects the 3rd position of the pawl assembly by detecting the 1st transmission assembly of the ratchet pawl, and generates the P position gear position electric detection machine detection signal; the P gear motor controller , when the gear of the vehicle is the P gear, the P gear motor controller controls the P gear motor to perform a locking action according to the received locking command, and judges the P gear according to the position detection signal Whether the motor is in a fully locked state, and when the P gear motor is not in the sensor's fully locked state, the electric relay continues to control the P gear motor to perform a secondary locking action. The automatic parking control system 40 can ensure that the vehicle safety parking device starts safely, smoothly and steadily at 50. The invention also discloses a control method for the automatic parking control system of the vehicle and a vehicle.
Owner:BYD CO LTD

New energy vehicle motor drive control and vehicle speed safety protection method

The invention discloses a new energy vehicle motor drive control and vehicle speed safety protection method. The method is applied to a new energy vehicle comprising a vehicle controller, a motor controller, motor rotating speed detection equipment and an anti-lock braking system ABS, and comprises the following steps: calculating three groups of motor rotating speed values, motor rotor position values and vehicle speed values, and establishing corresponding credible factors for the three groups of motor rotor position values; adjusting the credible factor of each position value according to the state of the vehicle, and adopting the motor rotating speed value and the motor rotor position value corresponding to the maximum credible factor; and starting, by the whole vehicle controller, a corresponding whole vehicle protection strategy according to the condition of the rotating speed value credible factor. It is not required to add equipment to reconstruct the original vehicle, the costis low, response is rapid, and the reliability is high.
Owner:HIGER

Butterfly spring hook type special bogie for coke quenching vehicle

The invention discloses a butterfly spring hook type special bogie for a coke quenching vehicle. The butterfly spring hook type special bogie for the coke quenching vehicle comprises a transversely arranged swing bolster, wherein two ends of the swing bolster are respectively fixedly connected with the middles of longitudinally arranged side frames, the side frames are each of a box-shaped structure, transversely arranged axles are respectively arranged on the front side and the rear side of the swing bolster, two ends of each axle are respectively provided with wheels, the axles penetrate through the wheels and are rotatably connected with bearing assemblies arranged in bearing boxes, the axles are fixedly connected with the wheels, butterfly spring structures are respectively mounted ontwo sides of each bearing box in the longitudinal direction, and each bearing box is suspended between the two corresponding butterfly spring structures. The butterfly spring structures disclosed by the invention are mainly used for reducing harmful train impulse, enabling the mass and the load of the vehicle to be uniformly transmitted to each axle, and effectively attenuating the vibration and the impact of the vehicle caused by factors such as irregularity, rail gap, turnout, rail abrasion and uneven settlement on a running route and out-of-round wheels.
Owner:DALIAN ZHONGKUANG EQUIP MFG

Fault diagnosis method and device for parking solenoid valve and parking control system

The invention discloses a method and device for fault diagnosis of a shutdown solenoid valve and a shutdown control system. The method includes the steps that after a shutdown control signal is monitored and first time passes, whether the value of the rotating speed of an engine is larger than a preset rotating speed threshold value or not is detected, and when the value of the rotating speed is larger than the preset rotating speed threshold value, a fault of the shutdown solenoid valve is determined. The method and device can judge whether the engine stalls or not when the shutdown control signal is sent out, so that the opening and closing states of the shutdown solenoid valve are accurately judged, and then whether the shutdown solenoid valve itself breaks down or not is found. The method and device can judge the states of the shutdown solenoid valve for the control system and an aircraft pilot in time, so that the control system and the aircraft pilot timely adjust control law bases conveniently, and the safe shutdown of the engine is ensured.
Owner:CHINA AVIATION POWER MACHINE INST

Dual-mode parking electromagnetic valve of electro-hydraulic speed regulator

The invention provides a dual-mode parking electromagnetic valve of an electro-hydraulic speed regulator. The dual-mode parking electromagnetic valve mainly comprises a shell, a coil, an iron core, an iron core seat, a spring, a spring seat, a steel ball, an iron core limiting mechanism and an ejector rod assembly. When the iron core limiting mechanism and the ejector rod assembly are arranged at the initial positions, the movement range of the steel ball can be set, and the iron core base and the spring base are each provided with a sealing face matched with the steel ball. After the parking electromagnetic valve is powered on or powered off, the steel ball is separated from the sealing surface of the iron core seat or the spring seat, so that the speed regulator controls oil to release pressure, the power piston is further caused to move towards the oil reducing direction, and the diesel engine parking effect is achieved. The two modes of power-on parking and power-off parking of the electro-hydraulic speed regulator under different working conditions can be met, safe parking of a diesel engine is guaranteed, and the device has the advantages of being compact in structure and convenient to install and adjust.
Owner:CHONGQING HONGJIANG MACHINERY

A method for dynamically planning parking spaces based on traffic flow forecast

The invention relates to a method for dynamically planning parking spaces according to traffic flow prediction. According to the predicted traffic flow and parking space demand, the location, quantity and size of parking spaces are dynamically planned in corresponding areas, so that the planned parking spaces can be realized. Dynamic setting, when more traffic resources are needed, temporarily cancel parking spaces to improve traffic efficiency; and when more parking spaces are needed, temporarily increase parking spaces to increase parking capacity. And according to the demand, choosing the location of the parking space can better balance the relationship between the traffic efficiency and the parking capacity, and achieve the optimal traffic solution. When customizing the parking space, it can match the size and position of the specific parking space according to the vehicle type and driving characteristics, that is, to ensure the safe parking for each vehicle, and to maximize the rationality of the parking space. The invention can realize the rationality of the parking space setting in the area, and ensure that the traffic efficiency is not affected.
Owner:耀灵人工智能(浙江)有限公司

Ship electric propulsion monitoring device and method

The invention relates to a ship electric power propulsion supervising device and method; the ship electric power propulsion supervising device comprises a monitoring device and a control device; powersupply system and electric power propulsion system equipment states are gathered, thus controlling the operations of the electric power propulsion system equipment; the monitoring device comprises anindustrial computer and an application program compiled by a high-grade language; the control device comprises a safety control unit and a main control unit; when the system runs, the safety controlunit gathers the important protection signals of the power supply system and electric power propulsion system equipment, thus determining the protection function of the system; the main control unit gathers equipment running signals, and controls the normal operation of the system according to control logics; the monitoring device gathers signals of the control device, and uses a friendly interface to display the data, alarms, forms and trends of the system; an interface playback function can assist crews to analyze abnormities. The monitoring and control functions are integrated, thus effectively improving the automation level of the power propulsion system; the safety control unit is arranged, thus effectively improving the safety and reliability of the system.
Owner:SHANGHAI MARINE EQUIP RES INST +1

Intelligent wireless vehicle-stopping detection device

The invention discloses an intelligent wireless vehicle-stopping detection device. The intelligent wireless vehicle-stopping detection device mainly comprises a wireless detection emission part, a wireless receiving processing part and a light curtain. When a perpendicular circulation three-dimensional garage is in a parking mode, whether a car wheel passes through a vehicle stopping rod or not is detected through a sensor; operation is carried out through a data processor, then the result is transferred to a data processing wireless receiver through a wireless emission device, the data processing wireless receiver controls a three-dimensional-garage electronic control system, then a power source of a three-dimensional-garage transmission part is controlled by the three-dimensional-garage electronic control system, and meanwhile it is detected that a driver leaves the three-dimensional garage through the light curtain, then a parking-state alarm device can be automatically started; when the car does not pass through the vehicle stopping rod, the parking-state alarm device reminds the driver of wrong parking, and therefore the function that whether the car wheel passes through the vehicle stopping rod or not is automatically detected is achieved; safe parking is guaranteed, time and labor are saved, automatic parking is achieved, and the vehicle storage efficiency of the perpendicular circulation three-dimensional garage is improved.
Owner:林肯电梯(中国)有限公司

Parking brake cylinder and brake caliper unit

ActiveCN112797095BAvoid the problem of reduced parking forceImprove parking safetyBrake actuating mechanismsActuatorsRatchetCylinder block
The invention relates to a parking brake cylinder and a brake caliper unit. The parking brake cylinder includes: an intermediate body; a brake cylinder body, which forms a brake cylinder chamber with the intermediate body; and a brake piston, which is arranged in the brake cylinder chamber The parking cylinder body forms a parking cylinder cavity with the intermediate body, and at least two sealed cavities are arranged in the parking cylinder body, and each sealing cavity is connected to each other; the force transmission unit includes: a force transmission component, which is placed in the parking cylinder cavity, and the force transmission component Including the parking screw, the parking nut set outside the parking screw and the ratchet set on the other end of the parking screw; at least two dowel rods are arranged symmetrically in a circle, one end of the dowel rod is connected to the brake piston, and the other end passes through the The intermediate body is connected to the parking nut; the compression spring is set on the dowel rod, and is located between the intermediate body and the parking nut; multiple parking pistons are installed on the parking nut in a circumferential symmetry, and each parking piston corresponds to a sealed cavity Setting; relief device, cooperate with ratchet. The invention has high safety, long service life and low use cost.
Owner:CRRC QINGDAO SIFANG ROLLING STOCK RES INST +1

A compound braking system and method for a coke oven electric locomotive

The invention discloses a composite braking system of a coke oven electric locomotive. The system comprises an electromagnetic disc type brake and a pneumatic unit brake shoe brake, wherein the electromagnetic disc type brake is arranged on a walking device, the pneumatic unit brake shoe brake is arranged on a wheel, and when an electric control system controls a driving motor to slow down to a set speed, the electromagnetic disc type brake carries out main braking, and the pneumatic unit brake shoe brake carries out auxiliary braking. The invention also discloses a composite braking method of the coke oven electric locomotive. When the technical scheme is implemented, the system and the method have the following beneficial effects that the safe parking of the electric locomotive is ensured through determining the primary and secondary relation of the two kinds of brakes of the braking system in the braking work of the electric locomotive, the driving force sources of the two brakes are relatively independent, the braking force is provided in two modes of electric control and pneumatic control, the condition that all brakes cannot be in failure after the loss of one kind of driving force is guaranteed, the structure is simple, and the stability is high.
Owner:DALIAN HUARUI HEAVY IND COKE OVEN VEHICLE EQUIP +1

A double-layer three-dimensional garage with an automatic rotary positioning parking mechanism

InactiveCN106193709BSave the trouble of reversing into storageExpanded parking spacesParkingsVehicle frameParking space
The invention provides a double-storey stereo garage provided with an automatic rotating and positioning parking mechanism. The double-storey stereo garage provided with the automatic rotating and positioning parking mechanism comprises a fixed parking rack provided with an upper-storey parking space and a lower-storey parking space, a picking-up rack used for picking a vehicle on the lower-storey parking space up to the upper-storey parking space, a stretching mechanism used for making the picking-up rack be connected with the fixed parking rack and making the picking-up rack slide on a ground sliding rail, vehicle carrying plates arranged in the upper-storey parking space and the lower-storey parking space of the fixed parking rack and used for carrying vehicles, oil cylinder lifting devices used for controlling the vehicle carrying plates to move up and down in the corresponding parking spaces, and a lifting mechanism used for controlling the upper-storey vehicle carrying plate to move vertically in the upper-storey parking space and the lower-storey parking space. According to the double-storey stereo garage provided by the invention, through the double-storey stereo design, the occupied area is small, and the number of the parking spaces is large; and a driver can leave only after parking a vehicle to the specific vehicle carrying plate, automatic rotating and positioning parking is achieved through the hydraulic lifting device, a hydraulic stretching device and a hydraulic rotating device, parking is convenient, and safe parking of the vehicle is guaranteed.
Owner:DONGHUA UNIV

Locomotive brake, independent brake controller guiding control method thereof and vehicle

The invention discloses a locomotive brake, an independent brake controller guiding control method thereof and a vehicle. If an auxiliary switch contact signal of an independent brake controller is abnormal and an analog quantity signal is normal, a brake instruction of the independent brake controller is controlled by the analog quantity signal, and auxiliary switch fault alarm information is sent out; if the analog quantity control signal of the independent braking controller is abnormal, the auxiliary switch contact signal is normal, and if the independent braking controller recognizes that the auxiliary switch contact is in a braking area, independent full braking is guided, and fault alarm information is sent out; and if the auxiliary switch contact is in a release position, a release signal instruction is sent out. According to the invention, fault judgment and safety guidance are carried out on the independent brake controller by adopting a judgment method of combining auxiliary switch contact signals and analog quantity signals sent by different levels of positions of the independent brake controller so that the reliability and safety of input signals of the brake are improved; and the situation that safe parking cannot be achieved when an independent brake controller breaks down is prevented.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD

A new energy vehicle motor drive control and vehicle speed safety protection method

The invention discloses a new energy vehicle motor drive control and vehicle speed safety protection method, which is applied to a new energy vehicle including a vehicle controller, a motor controller, a motor speed detection device, and an anti-lock braking system ABS, including: calculating Three sets of motor speed values, motor rotor position values, and vehicle speed values ​​are generated, and corresponding credibility factors are established for the three sets of motor rotor position values; the credibility factors of each position value are adjusted according to the vehicle's own state, and the maximum credibility factor is used to correspond to The motor speed value and the motor rotor position value; the vehicle controller starts the corresponding vehicle protection strategy according to the reliability factor of the speed value. No need to add equipment to modify the original car, low cost, fast response, high reliability.
Owner:HIGER
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