83results about How to "Parked securely" patented technology

According to a parking assist device and a method for assisting parking of the invention, when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, a target parking position (P2B) is reset at a reset position (P1B). In the invention, at this time, the target parking position (P2B) is determined based on a target parking position (P2A) which is set at a parking preparation position (P1A), and the determined target parking position (P2B) is displayed on a screen of a monitor (4) as a default display position of a target parking frame (11) at a reset time.

The invention relates to the technical field of automobile braking, in particular to an electronic parking system, a vehicle comprising the same and a control method. The invention aims to solve the problem that an existing electronic parking system is low in safety. In order to achieve the purpose, the electronic parking system comprises a primary parking controller and a secondary parking controller, wherein the primary parking controller is at least connected to a first wheel brake for receiving a braking command and controlling the first wheel brake to act based on the braking command; andthe secondary parking controller is at least connected to a second wheel brake for receiving the braking command and controlling the second wheel brake to act based on the braking command and a stateinformation of the primary parking controller. By arranging two electronic controllers redundantly, the electronic parking system can improve the safety performance of the vehicle.

The invention discloses a new method of chloroethylene through acetylene method and specific equipment, which comprises the following steps: disposing raw material gas strictly; reacting two-segment compensation; recycling heptane; cooling; radiating; providing specific catalyst and reactor to synthesize chloroethylene; disposing effluent with mercury to obtain high-purity chloroethylene monomer.

The invention provides a machine vision and machine learning-based automatic parking method and system. Images are collected via cameras arranged all around an automobile body, and a three-dimension image of the surround environment and a distance between the automobile body and a surrounding environment object can be obtained; parking lines can be identified according to a machine vision technology; the automobile is parked when an effective image is identified and an automatic driving mode is started; at the automatic driving mode, an optimal scheme is selected from preset parking lines according to a relative position between the current automobile and a parking lot; and the automobile is parked with a steering wheel, an accelerator and a brake pedal which are controlled by an electriccontrol device. Based on a preset database and reinforced machine learning, improvements are continuously made during the parking process, so less data input is guaranteed upon more application conditions; low demand is required for a parking position of the parking lot; forward and backward operations can be conducted; a wide application range is provided; and by the use of the machine vision andmachine learning-based automatic parking method and system, parking speed is accelerated and a reliable parking process is obtained.

The invention relates to the technical field of vehicle brake, in particular to a double-motor brake actuation mechanism of a vehicle decoupling distribution brake system. The mechanism comprises a brake disc, a brake actuation part and a regeneration motor part; the brake actuation part includes a stepper motor and a brake clamp body; two ends of the brake clamp body are respectively positioned on two sides of the brake disc; the brake clamp body and the stepper motor are both slidingly connected with a shell of the brake actuation part; a friction block is arranged at one end of the brake clamp body; the other end of the brake clamp body is connected with the stepper motor; the stepper motor is in transmission connection with a first lead screw; a first nut is arranged on the first lead screw, and is connected with the friction block; the friction block on the brake clamp body and a friction block on a first nut are positioned on two sides of the brake disc; the regeneration motor part includes an electromagnetic clutch, a regeneration motor, a battery set and an electronic control unit; the battery set is electrically connected with the stepper motor; and the electronic control unit controls connection and disconnection of current between the battery set and the stepper motor. The mechanism converts brake energy to electric energy as brake power, and can share brake loads.

A parking brake actuator generates and applies a braking force to a vehicle wheel by converting a rotation movement of a screw member which is rotated by an electric parking brake driving device into a translatory movement and transmitting the converted translatory movement to a piston to push a brake pad to a disc by the piston. The electric parking brake driving device includes an electric motor and a reduction gear mechanism which transmits the driving force of the electric motor to the electric parking brake driving device. The reduction gear mechanism includes a pinion gear fixed to an output shaft of the electric motor, a first gear shaft rotatably supported on a first bearing member provided on a gear body and a first wheel gear formed on the first gear shaft and engaging the first wheel gear to thereby reduce the speed of driving force of the electric motor.

The invention disclsoes a gear-shifting parking system for a pure-electric delivery vehicle with a parking function. The gear-shifting parking system comprises a storage battery, a VCU (Vehicle Control Unit), an ignition switch, a gear-shifting mechanism, an electronic parking controller, a motor, a mechanical inhaul cable and a parking brake; the storage battery supplies power to the VCU, the gear-shifting mechanism, the electronic parking controller and the motor respectively; the ignition switch is electrically connected with the VCU; the VCU is electrically connected with the gear-shifting mechanism and the electronic parking controller respectively; the gear-shifting mechanism is connected with the electronic parking controller; the gear-shifting mechanism is provided with a gear P; a signal output end of the electronic parking controller is connected with a signal input end of the motor; a rotary shaft of the motor is connected with the mechanical inhaul cable; and the mechanical inhaul cable is connected with the parking brake. According to the gear-shifting parking system provided by the invention, one gear P is added to the existing gear-shifting mechanism with three gears; meanwhile, the gear-shifting parking system is combined with an existing developed electronic parking device and a special switch for electronically parking is cancelled; and functions of shifting the gears and parking are realized through the gear-shifting mechanism after ingenious modification is carried out, and the gear-shifting parking system is convenient and reliable for parking.

A parking assistance system for parking a vehicle in a parking garage includes a measuring sensor system, with at least one sensor which is arranged on at least one end of the vehicle, and which measures a contour of the parking garage. The parking assistance system further includes a steering control unit, which automatically steers the vehicle from a stopping point into a parking end position inside the parking garage.

The invention relates to a network type all-digital motor soft starter which is characterized in that a control module structure combining a micro-programmed control unit (MCU) and a complex programmable logic device (CPLD) is adopted and is respectively connected with a voltage detection module, a current detection module, a trigger driving module, a keyboard display module and a network communication module so as to form the network type all-digital motor soft starter. The network type all-digital motor soft starter leads a voltage signal and a current signal to be converted into a digital signal and a logic signal so as to realize the functions of all-digital phase compensation, digital phase shift (with the phase shift accuracy of 0.05 degree), phase loss protection, automatic detection of phase sequence, overload protection, wide pulse or double-narrow-pulse trigger and the like, and ensures a motor to be more stably and reliably started and stopped, thus protecting a power grid, the motor and load equipment. Furthermore, the network communication module can be used for networking, so that remote monitoring can be realized. A circuit is simple in structure, high in integration level, phase control accuracy and reliability, good in stability and high in cost performance.

The invention relates to an emergency valve for high-speed motor train units and urban rail transit vehicles. The emergency valve comprises a pneumatic control valve and an electromagnetic valve mounted on the pneumatic control valve, the electromagnetic valve is connected with a control air channel of the pneumatic control valve, the pneumatic control valve comprises a valve body assembly, a spool assembly and a piston, the spool assembly and the piston are both mounted in an inner cavity of the valve body assembly in a sleeved manner, a piston spring is arranged between the piston and the valve body assembly, a spring seat is mounted at one end of the valve body assembly, an end cap is mounted at the other end of the valve body assembly, and a retaining spring is arranged between the spool assembly and the spring seat. Three air channel ports are arranged on the valve body assembly and are respectively communicated with the inner cavity of the valve body assembly. Emergency braking of the emergency valve is controlled by power on and power off of the electromagnetic valve, once the electromagnetic valve is powered off due to manipulation of a driver or other reasons, the emergency valve cuts off a closed circuit of a pneumatic and electric conversion valve and a relay valve and connects a closed circuit of a braking air storage cylinder and the relay valve so as to achieve emergency braking, and response time of the emergency valve to an emergency braking instruction is not longer than 0.2s.

The invention relates to the technical field of automobile control, in particular to an EPB slip slope reclamping method for new energy automobiles. The EPB slip slope reclamping method is characterized in that whether a brake disc needs further clamping or not is judged through the following steps that step1, if a continuous driving distance exceeds a set threshold value S in parking, the brake disc is judged to need the further clamping; step2, if the brake disc temperature is above a set threshold value in the parking, the brake disc is judged to need the further clamping; and step3, a wheel speed sensor periodically detects vehicle wheel displacement after the parking, and if the vehicle wheel displacement exceeds the set threshold value, the brake disc is controlled to be clamped again and reset the vehicle wheel displacement through EPB. The EPB slip slope reclamping method for the new energy automobiles has the substantive effects that the brake disc state is grasped through a variety of steps, guarantee is provided for the parking stability, and the parking safety is improved; and by means of brake disc temperature calculation, the brake disc temperature state is grasped under the situation of not adding a temperature sensor, the fact that reliable parking can still be performed when the brake disc temperature is too high is guaranteed, and the vehicle safety is improved.

The invention provides a gantry crane travelling unit device for the railway. A motor is arranged at an outer side of a casing. An output end of the motor is arranged in the casing. The output end of the motor is provided with a small bevel gear. The small bevel gear is in a meshing drive connection relationship with a large bevel gear in the casing. A transmission shaft and a travelling axle are installed in the casing. The large bevel gear is installed at one end of the transmission shaft and a transmission gear is installed at the other end of the transmission shaft. A travelling wheel is installed on the travelling axle. A travelling gear is directly or indirectly connected to the travelling wheel. The travelling wheel is in a drive connection relationship with the transmission shaft by the transmission gear and the travelling gear meshed with the transmission gear. The casing is provided with a hydraulic braking cylinder. A power output end of the hydraulic braking cylinder is connected to a brake shoe. The brake shoe which presses the marginal surface of the travelling wheel thereby braking the travelling wheel is arranged at an upper side of the marginal surface of the travelling wheel. The gantry crane travelling unit device has the advantages of compact structure, no strict requirements on a total framework structure of a gantry crane, strong generality, travelling safety and parking reliability.

The invention provides an emergency braking management system and a control method thereof. The emergency braking management system and the control method thereof can enable the emergency braking system to effectively apply braking force and ensure that a train stops within a safe distance. The system comprises an emergency brake management device used for collecting EB loop signals of a train; wherein the signal acquisition module is connected with a train power supply line to acquire a PWR signal; acquiring a train speed signal from a speed sensor; and according to the high-low level and the speed signal of the EB loop signal, outputting an EBS signal to the I-level emergency braking unit or the II-level emergency braking unit through internal logic operation judgment so as to realize I-level emergency braking or II-level emergency braking.

The invention discloses a self-adjustable servo type service drum brake with parking function. A parking brake device is additionally arranged on a self-adjustable servo type drum brake assembly, according to the parking brake device, a parking pull arm is hinged to a through hole formed in the upper part of a rear tendon of a rear brake shoe assembly through a pull arm pin, and is fixed and limited through a retainer ring at a hinge joint of the through hole; and grooves are formed in the middle of the parking pull arm and the middle of a front tendon of a front shoe assembly, the two ends ofa parking push plate are correspondingly arranged at the middle of the parking pull arm and the groove in the middle of the front tendon of the front shoe assembly, one end of a parking inhaul cableis connected to the lower end of a brake pull arm, and the other end of the parking inhaul cable penetrates through a brake bottom plate assembly to be connected to a hand brake end of a vehicle chassis. According to the self-adjustable servo type service drum brake with the parking function, a vehicle with a servo type drum brake can realize manual parking, the cost for independently developing aparking device is saved, and the reliability is high.

The invention discloses a multifunctional intelligent three-dimensional parking device. The multifunctional intelligent three-dimensional parking device comprises an underground storehouse, four groups of guide column bases, lifting guide columns, a double-layer parking frame and a lifting mechanism. The guide column bases are separately arranged at four corners of the bottom surface of the underground storehouse, the lifting guide columns are vertically installed on the guide column bases, and the upper ends of the lifting guide columns are higher than the ground; and the double-layer parkingframe is installed on the lifting guide columns through lifting guide sleeves, and can perform the lifting and dropping movement along the lifting guide columns under the driving of the lifting mechanism. The multifunctional intelligent three-dimensional parking device has the characteristics of simple structure, less space occupation, simple operation process, safe and efficient access vehicle and the like.

The invention discloses a micro-cultivator. A clutch capable of automatically clutching is installed between an output shaft and a crank shaft; a crank shaft box body is provided with an operating arm mounting post and a spring mounting post provided with a return support, wherein the operating arm mounting post is successively sheathed with an accelerator return torsional spring, the return support and an accelerator operating arm from inside to outside; the accelerator is provided with an accelerator arm; a return stay wire spring is connected between the right end of the return support andthe spring mounting post; the left end of the return support is connected with an accelerator return stay wire connected with a shutdown handle; the middle of the accelerator operating arm is installed on the accelerator arm mounting post; the middle of the accelerator arm is installed on the accelerator; a refuelling spring and an fuel return spring which are respectively positioned on the left side and the right side of the accelerator are connected between the accelerator operating arm and the accelerator arm; an accelerator wire is connected between the accelerator operating arm and a control device; and the return support and the accelerator operating arm are respectively and correspondingly provided with a pushing support lug and a stirring support lug. The micro-cultivator can better automatically clutch, accelerate, idle and stop.

The invention relates to a mine car arrester, which comprises an outer arm and an inner arm; An upper end of that out arm and an upper end of the inner arm are respectively provide with connecting holes; An upper end of that out arm and an inner arm are connected with each other by nail bolts; The upper part of the inner arm is provided with a pillow beam for receiving the shearing of the wheel rim of the mine; The upper part of the outer arm is butted to the pillow beam with a stop; The sleeper beam includes a sleeper surface that coincides with the rail head surface and resists shearing of amine wheel; A locking block is arranged on the lower inner side of the inner arm. A mine car stop of that invention fastens the car stop into an integral body and is jacketed on the rail head of therail through nail bolts, and the car stop does not detach from the rail in any case; The car arrester can be rotated integrally under the impact of the wheel rim of the mine, so that the four lockingsurfaces can be reliably contacted with the lower part of the rail head and the upper part of the rail bottom, and the manufacturing cost is low; operation is easy, only two bolts need to be tightenedduring installation; the mine car arrester is light in weight, easy to carry, no need for maintenance and repair, high reliability of vehicle blocking.

The invention discloses a stereo garage. The stereo garage comprises a parking frame, a vehicle lifting frame and a control box; the parking frame is provided with a slide rail, and a longitudinal moving mechanism capable of moving longitudinally is arranged in the slide rail; the vehicle lifting frame is provided with a lifting mechanism and a transverse moving frame; the lifting mechanism is movably arranged on the transverse moving frame, and the transverse moving frame is arranged on the vehicle lifting frame through a transverse moving mechanism; and the longitudinal moving mechanism, the lifting mechanism and the transverse moving mechanism are all connected with the control box. By using the independent lifting mechanism to park vehicles, the service life of a carrying plate is prolonged, parking is safe, reliable and stable, meanwhile, a chain transmission mechanism stable in structure is used, and the safety of the garage is ensured.

The invention discloses an emergency shutdown device for an air-cooled diesel engine. The emergency shutdown device comprises a speed adjusting seat and a fuel spraying pump. The throttle of the fuel spraying pump is provided with a throttle pull rod provided with a baffle. A solenoid valve is arranged on the diesel engine, by opening and closing of the solenoid valve, a connected stirring rod is driven to move to stir the baffle to the minimum position of the throttle so as to cut off the fuel and shutdown the diesel engine. The device has the advantages that when abnormal situations, such as galloping, cylinder scoring and bearing score, occur during operation of the diesel engine, emergency shutdown can be performed, and safeties of the diesel engine, matching devices and operators are guaranteed.

The invention belongs to the technical field of emulsion explosives, and relates to an emulsion explosive charging thermostat. The emulsion explosive charging thermostat comprises a base, wherein a supporting plate is fixedly connected to the top of the base, a stock bin is fixedly connected to the supporting plate, limiting grooves are formed in the top of the stock bin, and connecting blocks areconnected into the limiting grooves in a clamped mode. The emulsion explosive charging thermostat has the beneficial effects that by controlling temperature sensors to work, the temperature of the emulsion explosives in the stock bin can be monitored, when the temperature is low, a refrigerator is controlled to work, the interior of the stock bin is cooled through a cold guide pipe, and it is avoided that because the temperature of the emulsion explosives is too high, paper tubes are burnt, and cartridges are broken, when the temperature is high, heating plates are controlled to work, the situation that the fluidity of the emulsion explosives is reduced due to the low temperature of the emulsion explosives, the emulsion explosives adhere to the wall due to the poor fluidity, and chargingis affected is avoided, and the emulsion explosives in the stock bin can be kept at the constant temperature for a long time through the heat preservation performance of heat preservation rock wool.