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30results about How to "Applicable to a wide range of models" patented technology
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Hydraulically-controlled electronic parking executing mechanism
InactiveCN102729972AApplicable to a wide range of modelsPrevent jumpingBraking action transmissionLow noiseHydraulic cylinder
The invention discloses a hydraulically-controlled electronic parking executing mechanism, which comprises high-pressure and low-pressure pumps driven by using a motor in a duplex way, and a hydraulic cylinder, wherein the hydraulic cylinder comprises a cylinder body, a piston, a piston rod and a locking device; one end of the cylinder body is provided with an oil outlet, and the other end of the cylinder body is provided with an oil inlet; an unlocking oil port is formed at an elastic position on the locking device; the inlet of the high-pressure pump is connected with an oil tank; the port B2 of a first two-position three-way electromagnetic reversing valve is connected with the outlet of the high-pressure pump; the port P2 of the first two-position three-way electromagnetic reversing valve is connected with the unlocking oil port of the locking device; the inlet of the low-pressure pump is connected with the oil tank; the outlet of the low-pressure pump is connected with the port P1 of a three-position four-way electromagnetic reversing valve 7 through a first one-way valve; the inlet of a throttling valve is connected with the port A1 of the three-position four-way electromagnetic reversing valve, and the outlet of the throttling valve is connected with the oil inlet of the cylinder body, so that an oil inlet pipeline is formed; and the port B3 of a second two-position three-way electromagnetic reversing valve is connected with the port B1 of the three-position four-way electromagnetic reversing valve, and the port P3 of the second two-position three-way electromagnetic reversing valve is connected with the oil outlet of the cylinder body, so that an oil outlet pipeline is formed. A braking mechanism disclosed by the invention is suitable for wide vehicle types, and has continuous and stable power transmission, large and adjustable braking force, low wear and low noise.
Owner:NANJING UNIV OF SCI & TECH
Reversible tricycle
ActiveCN106314644ALarge space layoutLower center of gravityCyclesAxle suspensionsSteering wheelDrive wheel
The invention relates to a reversible tricycle which is provided with two steering wheels in the front a driving wheel in the rear. The reversible tricycle comprises a supporting mechanism and a steering mechanism, wherein the supporting mechanism comprises a tricycle frame, a fixing frame for the front two wheels and a rear chain stay; the steering mechanism comprises a direction column and a stand pipe and a steering knuckle which are connected with the support frame. According to the technical scheme, the supporting mechanism of the reversible tricycle is adopted, as a front suspension comprises a cavity which is arranged in the middle of the front suspension and is provided with a lateral front shock absorber, an anterior-superior cavity which is arranged on the anterior-superior portion of the front suspension, an anterior-inferior cavity which is arranged on the anterior-inferior portion of the front suspension and a rear-bottom cavity which is arrange on the rear bottom of the front suspension, the lateral front shock absorber and the supporting arm combination are both arranged on the middle cavity of the front suspension, thus, relative to a vertical front shock absorber, the position of the vibration and the center of gravity of the whole tricycle are reduced; in addition, the connection in a hinge mode instead of a cardan joint mode reduces the requirements for technology, and reduces the cost.
Owner:ZHEJIANG LANGXIANG IND CO LTD
Rotary automatic cone retractor
A rotary cone automatic retractor relates to a highway construction auxiliary machine, The invention particularly relates to a rotary automatic cone retractor, which comprises a traveling device, a cone retractor system and a cone guide system mounted on the traveling device through a rack bearing device, wherein the cone retractor system and the cone guide system are fixedly connected with the rack bearing device; The cone barrel retracting and releasing system comprises a connecting arm, wherein both ends of the connecting arm are provided with a cone barrel frame, and the connecting arm isrotatably connected with a frame bearing device through a driving device; The invention has the advantages of high automation degree, stable operation, adopting the connecting arm to rotate 360 degrees to finish collecting or distributing the cone cylinder twice, and high retracting and releasing speed; The invention has simple structure, and can fold the power box upward in the main frame for storing, and occupies small volume.
Owner:张新明
Road construction area speed reduction and speed measurement-integrated safety control and information feedback system
InactiveCN107067751AWide range of usesAdaptableRoad vehicles traffic controlTraffic signalsSpeed measurementDriver/operator
The invention provides a road construction area speed reduction and speed measurement-integrated safety control and information feedback system, which comprises two groups of groove-type speed reduction belts; each groove is internally provided with two vibration sensors; a portable variable information board is used for displaying a limited speed, a real-time vehicle speed and the real-time road condition information in the construction area; and an information processing unit is used for converting electric signals to vehicle speed information and processing stored data. An active information feedback technology is used to replace the original passive sign, the driver can know the vehicle speed and the road condition information better, an effective reminding role is played, the safety accidents can be reduced greatly, the system cost is low, the technology is simple, and realization is easy.
Owner:CHANGAN UNIV
On-board weighing method for measuring freight train based on bolster
InactiveCN108303169AReal-time overload monitoringReal-time dynamic and static combinationWeighing indication devicesSpecial purpose weighing apparatusBogieFreight trains
The invention discloses an on-board weighing method for measuring a freight train based on a bolster. According to the method, an on-board weighing sensor is additionally arranged on the upper surfaceof the bolster in a bogie so as to be used for sensing a strain value generated by the variation in weight of the train body at the surface of the bolster, and the strain value is converted into a corresponding voltage or AD signal. The bottom of a compartment is provided with an on-board intelligent terminal which is used for collecting and processing data of various sensors in real time, and finally the accurate weight is obtained through calibration. The on-board weighing method overcomes defects of the traditional weighing equipment, has the advantages of high efficiency, high accuracy, easy installation and maintenance, low cost, easy function expansion and the like, and is completely suitable for real-time rapid detection for overloading and unbalanced loading of the freight train.
Owner:西安航天三沃机电设备有限责任公司
Defogging device for front windshield of automobile data recorder
InactiveCN112644425AWill not affect the normal shooting recordApplicable to a wide range of modelsVehicle componentsVehicle cleaningSelf adaptiveElectrical and Electronics engineering
The embodiment of the invention discloses an automobile data recorder front windshield defogging device. The device comprises a main body block, a suction cup, a suction cup connecting block, a front windshield, a recorder clamping groove, a defogging assembly, a defogging transmission assembly, a water absorption assembly and a water absorption transmission assembly. According to the automobile data recorder demisting device, the automobile data recorder is fixed to the front windshield, meanwhile, demisting can be conducted on the windshield in the front side area of the automobile data recorder, and the flexible transparent plastic sheet is used for wiping condensed mist on the windshield; due to the characteristics of the plastic sheet, glass with different inclination angles can be attached in a self-adaptive mode in the removing process, and the automobile glass removing device is wide in application range and is in a transparent sheet shape. Normal shooting and recording of the automobile data recorder cannot be affected in the erasing process, and accumulated water drops can be finally absorbed through the matched sponge.
Owner:深圳市申派电子科技有限公司
Method of rapidly calibrating vehicular weighing system
InactiveCN105043522AHigh precisionSimplify the calibration processWeighing apparatus testing/calibrationIn vehicleEngineering
The invention discloses a method of rapidly calibrating a vehicular weighing system. The method achieves calibration of the vehicular weighing system by respectively weighing the vehicular weighing system in unloaded and loaded states. By adopting shafts, shaft groups or shaft group combination weighing equipment, the method achieves rapid, accurate and high-precision calibration on vehicular apparatuses. Various problems existing in conventional vehicular apparatus calibration processes are overcome. The method which has the advantages of simple calibration process, high precision, high efficiency, rapidness, low cost, etc. can be widely applied to various vehicle models. The method is successfully used for calibrating the vehicular weighing system.
Owner:SHAANXI ELECTRICAL APPLIANCE RES INST
Full-automatic barrier-free passing device capable of being used for bus
PendingCN111284410ADoes not affect passabilitySimple structureSteps arrangementDC - Direct currentBack door
The invention relates to a full-automatic barrier-free passing device capable of being used for a bus. The device comprises a mounting base, a combined sliding rail mechanism, a retracting and releasing mechanism, a lifting mechanism and a connecting plate assembly, wherein the mounting base is fixedly connected with a bus chassis; the left and right sets of combined sliding rail mechanisms are symmetrically arranged on two sides of the mounting base; the two sets of folding and unfolding mechanisms and the two sets of combined sliding rail mechanisms are connected and correspondingly arranged; the lifting mechanism is arranged on the inner side of the retracting mechanism; a connecting plate assembly is arranged above the lifting mechanism; the mounting base is fixed to a chassis of a rear door of a bus, the direct-current motor serves as a working power source, the ground serves as a main stress point when the device works, passengers are sent into and sent out of the bus through thelifting mechanism and the connecting plate assembly, and therefore the process of assisting the passengers in getting on and getting off the bus is completed, and full-automatic barrier-free passingis achieved.
Owner:HENAN UNIV OF SCI & TECH
Follow-up type selecting gear shifting hydraulic actuator of vehicle automatic mechanical speed variator
The invention discloses a following separation and shift hydraulic actuator of vehicle mechanical automatic transmission. The actuator using intermittent following hydraulic cylinder and gear rack mechanism with the same principle to realize the process of selection and shifting. Then realize the automatic selection and shifting of vehicle mechanical transmission by the controlling of electromagnetic valve of hydraulic cylinder. Selection cylinder and shift cylinder set vertical, left bearer and right bearer set horizontal. One end of fork-lever nested on right piston of selection cylinder after connects to the gear. Rack which meshing with gear installed in round hole of L shape end of left and right bearers. One end of connecting rod fixed on the end of gear and another end fixed on the right piston of shifting cylinder. L shape end of left bearer set on left flange and L shape end of right bearer set on right flange. One end of connector connects to the shell of shifting cylinder and another end connects to the right flange of selection cylinder. The structure of selection and shifting cylinder are the same in the invention. The same L structure is applied into both left and right bearers.
Owner:BEIHANG UNIV
Automobile limiter
PendingCN111119620AEnable electric openingAchieve closureWing fastenersElectric machineryDrive motor
The invention aims at providing an automobile limiter capable of achieving the goal of electrically opening and closing automobile doors. In order to achieve the goal, the invention employs the following technical scheme that the automobile limiter comprises a driving mechanism, a limiting arm, an automobile door fixing seat and an automobile body fixing seat; one end of the limiting arm in a length direction is fixed into a shell all along; the other end of the limiting arm in the length direction extends out of the shell and is fixed to the automobile body fixing seat; the shell and the automobile door fixing seat are fixed; the limiting arm and the driving mechanism are linked; the driving mechanism includes a driving motor; and the limiting arm moves in the length direction under the action of the driving mechanism so as to adjust the length of the part, located outside the shell, of the limiting arm.
Owner:DONGYANG GANTE ELECTRICAL CO LTD
Automatic mounting or dismounting automobile anti-skid chain
InactiveCN100586746CIncrease driving speedImprove performanceNon-skid devicesRoad surfaceEngineering
Owner:李德存
Endurance test device for sliding door
InactiveCN102879203BTravel no longer limitedReduce wearVehicle testingControl systemHuman–computer interaction
The invention provides an endurance test device for a sliding door, which includes a chassis mounting bracket for fixing a tested vehicle body, an unlocking mechanism for unlocking a tested sliding door and the tested vehicle body, a flexible traction mechanism for driving the tested sliding door to move, and a control system for controlling the unlocking mechanism and the flexible traction mechanism to act. Through the adoption of the technical scheme provided by the invention, a split-type module design is adopted, the mounting is flexible, and the device can be applied to various motorcycle types; the unlocking mechanism can be mounted flexibly, and can be used for unlocking various inwardly and outwardly opened handles; the flexible traction mechanism enables the stroke of the sliding door to be free from the limit of an air cylinder, realizes the curvilinear and rectilinear motion of the sliding door, and has strong universality, and as practical hand operation can be simulated excellently, the testing rest has higher confidence level; and a man-machine interaction interface and an alarming mechanism are arranged, and enable the test device to be more reliable.
Owner:SANY HEAVY IND CO LTD (CN)
Quick lifting spare wheel frame with high anti-theft performance
PendingCN111086565AQuick disassemblyImprove securitySpare wheel arrangementsIn vehicleStructural engineering
The invention relates to a quick lifting spare wheel frame with high anti-theft performance. The technical scheme is that a locking mechanism is arranged on a bottom plate below a rope shaft, and comprises a left assembly and a right assembly; one side of the upper surface of the left assembly is hinged to a locking trigger arm extending towards the right assembly; the hinged end of the locking trigger arm is connected with a trigger plate extending towards the side surface; when a release rod in a sliding release groove is positioned at the leftmost end of the sliding release groove, the leftassembly and the right assembly are tightly attached together in a face-to-face mode; And a lifting pin is clamped in a lifting pin locking hole, and the upper end of the lifting pin on the same sidebears against the trigger plate to support the locking trigger arm. According to the invention, the quick lifting spare wheel frame is high in anti-theft capacity, capable of being rapidly released and automatically locked, capable of disassembling and assembling a spare wheel within several seconds, wide in vehicle model application range, low in production cost, simple in process and long in service life, can substantially improve the safety of high-value tires through the anti-theft design, and is an innovation on the spare wheel frame.
Owner:郜慧
Emergency brake control device and emergency brake control method for automatic vehicle driving robot
ActiveCN102358275BAdjustable lengthEasy to install and disassembleAutomatic initiationsExecution unitVehicle driving
The invention discloses an emergency brake control device and an emergency brake control method for an automatic vehicle driving robot. The emergency brake control device comprises a vehicle running state detecting unit, a control unit and an executing unit, wherein the vehicle running state detecting unit is used for acquiring the wheel speed information of each wheel and transmitting the wheel speed information to the control unit; the control unit is used for receiving the wheel speed information transmitted by the vehicle running state detecting unit, analyzing and processing the wheel speed information to obtain the current running state of a vehicle, and controlling an actuating mechanism to perform emergency brake; the braking operation process of the actuating mechanism under the control of the control unit comprises increasing the braking force till the wheel speed of the vehicle is non-uniform or a wheel tends to lock, decreasing the braking force, increasing the wheel speed, and increasing the braking force; and the process is performed circularly till the vehicle stops running. The invention has the advantages that: the automatic driving robot in which the emergency brake device is arranged can be used for quickly and safely braking an ABS (Antilock Brake System)-free vehicle to simulate the actions of repeatedly treading and releasing a brake pedal of a driver for preventing the wheels from being locked in the braking process.
Owner:北京踏歌智行科技有限公司
Automotive instrument assembly
The invention relates to an automotive instrument assembly. The automotive instrument assembly comprises a vehicle-speed display unit, an oil-level / gear display unit, a rear cover, an upper cover, a middle frame and a mounting bracket, wherein the vehicle-speed display unit and the oil-level / gear display unit are fixedly connected to the left side and the right side of the inner part of the middle frame respectively; the upper cover, the rear cover and the mounting bracket are fixedly connected with the middle frame respectively; through the middle frame, key parts, such as the vehicle-speed display unit, the oil-level / gear display unit, the rear cover, the upper cover and the mounting bracket are integrally connected. The automotive instrument assembly disclosed by the invention is small in size and complete in functions, and plastic materials are used, so that the cost is reduced.
Owner:CHONGQING DACHENG GRACE NC TECH CO LTD
A method for judging vehicle crash structure performance
The invention provides a method for judging performances of vehicle collision structures. By joint use of vehicle collision structure transverse indexes VSIstep1 and VSIstep2 and vehicle collision structure longitudinal indexes HSIstep1 and HSIstep2, accurate quantified testing and judgment of the performances of the vehicle collision structures can be realized; in vehicle design, manufacturers can be guided to pay attention to protect passengers on a vehicle and also reduce damages of the other vehicle in collision, the problem of differences of front-end collision structures of vehicles in the same level or adjacent levels is solve, and vehicle damages in collision of two vehicles are avoided. The method has advantages of extensive vehicle model application range and accuracy of quantified judgment results.
Owner:CHINA AUTOMOTIVE TECH & RES CENT +1
a reverse tricycle
ActiveCN106314644BLarge space layoutLower center of gravityCyclesAxle suspensionsVertical tubeVehicle frame
Disclosed is a reverse tricycle provided with two steering wheels in the front and a driving wheel in the rear, the reverse tricycle comprising a support mechanism and a steering device. The support mechanism comprises a vehicle frame, a two-front wheel fixing frame and a rear fork (9). The steering device comprises a steering column (1), a vertical tube (2) connected to the vehicle frame, and a steering knuckle. In a support structure of the reverse tricycle, since a front suspension frame comprises a cavity (104) which is provided in the middle thereof and used for installing a transverse front shock absorber (5), a front upper cavity (101) provided at a front upper portion, a front lower cavity (102) provided at a front lower portion, and a rear lower cavity (103) provided at a rear lower portion, the transverse front shock absorber (5) and a support arm assembly are both concentratedly provided at the front suspension frame which is centralized in structure, and a front segment of the vehicle frame of the reverse tricycle has a larger space. At the same time, with respect to a vertical front shock absorber, the front shock absorber (5), which is transversally provided at the middle cavity (104) of the front suspension frame, lowers a shock absorption position and the center of gravity of the whole vehicle. In addition, using hingeable connection to replace universal joint connection reduces the requirements for a process and reduces the cost.
Owner:ZHEJIANG LANGXIANG IND CO LTD
Gear and screw connecting type heavy vehicle rear protective device
The invention discloses a gear and screw connecting type heavy vehicle rear protective device and aims at overcoming the problems that an existing heavy vehicle rear protective device is large in mass, high in cost and complex in structure and is not suitable for promotion. The gear and screw connecting type heavy vehicle rear protective device includes a helical gear fixing frame, a platform frame, a driving motor, a controller, a screw rod, a bearing supporting seat, a supporting rod and a bumper. The driving motor is installed at the left ends of two of upper end transverse beams in the platform frame. The controller is fixedly installed on the internal side of the third upper end transverse beam in the platform frame. The controller is connected with the driving motor through an electric wire. The helical gear fixing frame is installed on two of the upper end transverse beams on the right side of the driving motor. The bearing supporting seat is installed at the rear end of an upper end longitudinal beam through a bolt. The left end of the screw rod is connected with the output end of the driving motor through a flange plate. The right end of the screw rod is installed on the bearing supporting seat by using a bearing after passing through the helical gear fixing frame. The upper end of the supporting rod is connected with a first helical gear element and a second helical gear element which are in the helical gear fixing frame in a threaded mode. The lower end of the supporting rod is fixedly connected with the front end face of the bumper.
Owner:JILIN UNIV
Follow-up type selecting gear shifting hydraulic actuator of vehicle automatic mechanical speed variator
InactiveCN100540955CHigh control precisionIntermittent follow-up realizationGearing controlHydraulic cylinderAutomatic transmission
Owner:BEIHANG UNIV
Wire-controlled steering system for new energy passenger car and using method thereof
InactiveCN110182255AEasy to controlStable controlMechanical steeringElectrical steeringControl systemNew energy
The invention discloses a wire-controlled steering system for a new energy passenger car, and belongs to the technical field of new energy buses. The wire-controlled steering system comprises a steering input system, a steering control system, a steering execution system, a safety redundancy system and a sensor; the steering control system is correspondingly connected with the steering input system, the steering control system, the safety redundancy system and the sensor, and a CPU in the steering control system is correspondingly connected with a steering operation end in a steering input system and a steering mode switcher in the safety redundancy system through a wire; a steering motor in the steering execution system is connected with a steering motor controller in the steering controlsystem; the sensor is connected with a sensor data interface in the transformation steering control system through a wire; and the steering operation end in the steering input system is connected with wheels in the steering execution system through a mechanical steering controller in the safety redundancy system. According to the wire-controlled steering system, the problem that a current new energy intelligent passenger car lacks a mature steering control system to guarantee the normal driving safety is solved.
Owner:CHERY & WANDA GUIZHOU BUS
A faucet lock capable of positioning the direction of the bicycle faucet
ActiveCN106394781BAchieve positioningAchieve the purpose of adjustmentSteering deviceMedicineEngineering
The invention discloses a faucet lock capable of positioning the direction of a bicycle faucet, which comprises a casing, in which a tooth piece and a stop block are assembled, convex teeth are evenly arranged on the outer periphery of the tooth piece, and the tooth piece is sleeved on the stop block. The lower surface of the tooth sheet is formed with the tooth surface of the tooth sheet, and the upper surface of the annular protrusion of the stop block is formed with the tooth surface of the stop block which is suitable for the tooth surface of the tooth sheet; A toothed octagonal upper plug is installed in the bowl, and a bead nest is arranged between the toothed octagonal upper plug and the fixed upper bowl; a rotating shaft placed on two supporting pieces is installed horizontally in the shell, and a torsion spring is sleeved on the rotating shaft. One end is provided with a locking piece at the positioning end, and the locking piece is placed in the locking piece positioning groove of the casing, and the outer end of the rotating shaft is connected with a knob. The utility model has the advantages of reasonable structure, convenient assembly, safety and stability, and is applicable to a wide range of vehicle models; through the cooperation of the locking piece and the gear piece, it can realize the positioning of the faucet, and can prevent the bicycle body from overturning due to the heavy load of the faucet.
Owner:NINGBO JULONG MACHINERY CO LTD
Trunk opening and closing method and keyless entry and start system
The invention relates to a trunk opening and closing method and a keyless entry and starting system. The trunk opening method comprises the following steps of receiving a level signal output by a trunk automatic sensing opening system; identifying the level signal; and if the level signal is a preset action signal, transmitting the preset action signal to an automobile body control module; triggering the automobile body control module to judge a locking state; receiving a locking state judging result returned by the automobile body control module; and if the judging result is that a trunk is locked, judging whether a valid intelligent remote key is available within an external antenna detecting range or not within a preset time; and if the valid intelligent remote key is available within the external antenna detecting range, transmitting a trunk unlocking request signal to the automobile body control module; and controlling a trunk opening mechanism to open the trunk through the automobile body control module. According to the trunk opening and closing method and the keyless entry and starting system, provided by the invention, the trunk is automatically opened and closed; the safety of the automatic opening and closing function of the trunk is guaranteed; the range of the applicable automobile models is wide; and automobile purchasing cost is reduced while the convenience for users is enhanced.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Car infusion support with alarming function
ActiveCN103007377BImplement the hanging problemPrevent backflowInfusion devicesFlow controlEngineeringBottle
Owner:奚金明
A storage vehicle and its battery pull-out mechanism
ActiveCN108909584BEasy to operateApplicable to a wide range of modelsCharging stationsElectric propulsion mountingTruckElectrical and Electronics engineering
The invention discloses a storage vehicle and its battery pull-out mechanism. The battery pull-out mechanism includes: a chassis connected to the body of the storage vehicle through several rectangular tubes to form a battery storage space with one side open, wherein the chassis There are multiple rows of roller seats for supporting the battery; the battery baffle, hinged to the chassis, has a vertical state for closing the opening of the battery accommodating space and a horizontal state for connecting with the chassis, wherein the battery baffle is set There are at least two rows of roller seats for supporting the battery after being pulled out; and the supporting mechanism, including the support seat arranged on the battery baffle, the support rod, the locking hanging plate, and the hanging plate seat arranged on the rectangular tube, Wherein, the support bar is supported on the ground when the battery baffle is in the horizontal state and its locking hanging plate is articulated with the hanging plate seat when the battery baffle is in the vertical state. The invention can manually pull out the storage battery without the need of a storage battery trailer, the storage battery baffle can be easily operated in the position conversion process, and is applicable to a wide range of vehicle types.
Owner:安徽江淮重型工程机械有限公司
An automobile tire safety device and its parameter setting method
The invention discloses an automobile tire safety device and a parameter setting method thereof, belongs to the technical field of automobile tire blasting prevention, and aims to solve the problem that an adaptable automobile type range of an existing automobile tire safety device is small. The automobile tire safety device is characterized in that the outer diameter of an outer layer of the automobile tire safety device is equal to the inner diameter of a tire, and the inner diameter of an inner layer is equal to the nominal diameter of a rim; transparent hexagonal holes are formed in each layer along the radial direction of the tire; the hexagonal holes in each layer are distributed in a honeycomb shape; the hexagonal holes in three layers are in one-to-one correspondence; correspondinghexagonal holes are communicated; the edge length of the hexagonal holes in all surfaces from outside to inside are gradually reduced. The parameter setting method of the automobile tire safety device comprises the following steps: setting surface outer structure parameters of the outer layer, and setting the structure parameters of a middle layer and the inner layer according to the outer surface structure parameters of the outer layer. The automobile tire safety device designed by adopting the parameter setting method is wide in adaptable automobile type range and convenient to install, repairing and maintenance of automobiles are convenient, the comfort and the stability of driving of the automobiles cannot be affected, and a traffic accident caused by sudden tire blasting during high-speed driving can be effectively reduced.
Owner:HARBIN UNIV OF COMMERCE
Automobile tire safety device and parameter setting method thereof
The invention discloses an automobile tire safety device and a parameter setting method thereof, belongs to the technical field of automobile tire blasting prevention, and aims to solve the problem that an adaptable automobile type range of an existing automobile tire safety device is small. The automobile tire safety device is characterized in that the outer diameter of an outer layer of the automobile tire safety device is equal to the inner diameter of a tire, and the inner diameter of an inner layer is equal to the nominal diameter of a rim; transparent hexagonal holes are formed in each layer along the radial direction of the tire; the hexagonal holes in each layer are distributed in a honeycomb shape; the hexagonal holes in three layers are in one-to-one correspondence; correspondinghexagonal holes are communicated; the edge length of the hexagonal holes in all surfaces from outside to inside are gradually reduced. The parameter setting method of the automobile tire safety device comprises the following steps: setting surface outer structure parameters of the outer layer, and setting the structure parameters of a middle layer and the inner layer according to the outer surface structure parameters of the outer layer. The automobile tire safety device designed by adopting the parameter setting method is wide in adaptable automobile type range and convenient to install, repairing and maintenance of automobiles are convenient, the comfort and the stability of driving of the automobiles cannot be affected, and a traffic accident caused by sudden tire blasting during high-speed driving can be effectively reduced.
Owner:HARBIN UNIV OF COMMERCE
Vehicle instrument assembly
The invention relates to a vehicle instrument assembly. The assembly comprises a speed display unit, an oil level / gear display unit, a rear cover, an upper cover, a middle frame and a mounting rack, wherein the speed display unit and the oil level / gear display unit are fixedly connected with the left side and the right side of the inner part of the middle frame; the upper cover, the rear cover and the mounting rack are all fixedly connected with the middle frame; and the key components, namely the speed display unit, the oil level / gear display unit, the rear cover, the upper cover, the mounting rack and the like, are connected into a whole by the middle frame. The vehicle instrument assembly disclosed by the invention has the advantages of small size and multiple functions, and through the adoption of plastic materials, the cost is reduced.
Owner:LUOYANG GUANCHENG ELECTRONICS INSTR
Method and device for detecting train brake pads
ActiveCN110136189BLow requirements for taking picturesApplicable to a wide range of modelsImage analysisCharacter and pattern recognitionCluster algorithmMechanical engineering
The invention relates to the field of train detection, in particular to a method and device for detecting train brake pads. The method includes: step 1: acquiring the image of the wheel bottom area of the train; step 2: acquiring the image of the brake pad area by performing pattern recognition on the image of the wheel bottom area; step 3: performing edge detection on the image of the brake pad area to determine the left edge and the right edge of the shutter; step 4: according to the left edge and the right edge, determine the pixel thickness of the shutter based on a clustering algorithm. By using the method of the invention, the thickness of the train brake pad can be accurately detected.
Owner:CHENGDU TIEAN SCI & TECH
Hybrid transmission with high-speed self-disengaging function
PendingCN111016622AAxial space is shortApplicable to a wide range of modelsGas pressure propulsion mountingPlural diverse prime-mover propulsion mountingGear wheelElectric machinery
The invention discloses a hybrid transmission with a high-speed self-disengaging function, which comprises an input shaft for receiving power of an engine; a low-speed intermediate shaft; a high-speedintermediate shaft; a transmission mechanism arranged among the input shaft, the low-speed intermediate shaft and the high-speed intermediate shaft; an auxiliary motor directly connected with the engine; a coupling device arranged between the auxiliary motor and the transmission mechanism; a driving motor having a motor shaft arranged on the outer side of the input shaft in a sleeving mode and always meshed with a combination gear arranged on the high-speed intermediate shaft in a sleeving mode through a transmission gear, wherein the combination gear is provided with a self-disengaging device, and the self-disengaging device and a high-speed gear synchronizer arranged on the high-speed intermediate shaft are mutually exclusive. The self-disengaging device is adopted, it is guaranteed that the driving motor does not participate in driving any more after the vehicle speed exceeds the regulation limit vehicle speed, the engine is prevented from dragging the driving motor to idle throughinertia, and consumption of extra energy is avoided.
Owner:吉泰车辆技术(苏州)有限公司
Hydraulically-controlled electronic parking executing mechanism
InactiveCN102729972BApplicable to a wide range of modelsPrevent jumpingBraking action transmissionLow noiseHydraulic cylinder
The invention discloses a hydraulically-controlled electronic parking executing mechanism, which comprises high-pressure and low-pressure pumps driven by using a motor in a duplex way, and a hydraulic cylinder, wherein the hydraulic cylinder comprises a cylinder body, a piston, a piston rod and a locking device; one end of the cylinder body is provided with an oil outlet, and the other end of the cylinder body is provided with an oil inlet; an unlocking oil port is formed at an elastic position on the locking device; the inlet of the high-pressure pump is connected with an oil tank; the port B2 of a first two-position three-way electromagnetic reversing valve is connected with the outlet of the high-pressure pump; the port P2 of the first two-position three-way electromagnetic reversing valve is connected with the unlocking oil port of the locking device; the inlet of the low-pressure pump is connected with the oil tank; the outlet of the low-pressure pump is connected with the port P1 of a three-position four-way electromagnetic reversing valve 7 through a first one-way valve; the inlet of a throttling valve is connected with the port A1 of the three-position four-way electromagnetic reversing valve, and the outlet of the throttling valve is connected with the oil inlet of the cylinder body, so that an oil inlet pipeline is formed; and the port B3 of a second two-position three-way electromagnetic reversing valve is connected with the port B1 of the three-position four-way electromagnetic reversing valve, and the port P3 of the second two-position three-way electromagnetic reversing valve is connected with the oil outlet of the cylinder body, so that an oil outlet pipeline is formed. A braking mechanism disclosed by the invention is suitable for wide vehicle types, and has continuous and stable power transmission, large and adjustable braking force, low wear and low noise.
Owner:NANJING UNIV OF SCI & TECH
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