44results about How to "Eliminate driving safety hazards" patented technology

The embodiment of the invention discloses a vehicle fault detection method and device, a vehicle and a storage medium. The method comprises the following steps of obtaining a vacuum pump starting state, a braking pedal state, the vacuum pressure of a vacuum pump sensor and the environmental pressure of an environment sensor; according to the vacuum pump starting state and the braking pedal state,determining a preset pressure change tendency, and according to the vacuum pressure and the pressure change tendency, detecting the faults of the vacuum pump sensor; and when the vacuum pump sensor isunder a normal working state, obtaining pre-stored vacuum pump ultimate pressure, and according to the ultimate pressure and the environmental pressure, detecting the faults of the environment sensor. By use of the technical scheme of the embodiment of the invention, the fault of a vacuum system is detected when the voltage of the vacuum sensor is under a normal range, the fault detection accuracy of the vacuum pump system is improved, and vehicle driving safety can be enhanced.

The invention discloses an automobile repair order grabbing method and system based on accurate automobile fault analysis. The automobile repair order grabbing system comprises a monitor-in car intelligent terminal, an automobile repair service terminal, an automobile owner maintenance operation terminal and an automobile repair order grabbing operation terminal. The automobile repair order grabbing method comprises the steps that an automobile owner publishes a vehicle fault order, and an automobile maintenance shop or a maintenance technician formulates a bidding maintenance quotation according to the matched vehicle fault order so as to complete bidding order grabbing operation; The vehicle owner checks all the bidding orders to check, screen and confirm, and the vehicle maintenance shop or the maintenance technician checks whether the confirmation state of the bidding orders is successful or not, so that the vehicle maintenance shop or the maintenance technician enters a maintenance waiting state; and after maintenance of the automobile maintenance shop or the maintenance technician is completed, maintenance completion information is sent to the automobile owner for confirmation. Accurate quotation and order grabbing can be carried out according to the fault diagnosis result, a vehicle owner can carry out three-family goods ratio and preferential order placing, transparentconsumption is increased, and the price negotiation capability of the vehicle owner is greatly improved.

The invention discloses a steering frame of a railway track car with flaw detection devices, which comprises a framework, the upper part of the framework is provided with a traction seat connected with a car body through a traction device; the lower part of the framework is provided with an elastic node seat which is connected with a shaft box body through an elastic node; the shaft box body is connected with wheel pairs; a support spring arranged on the framework, a horizontal shock absorber and a two-system vertical shock absorber form a two-system suspension system of the car body; a shaft box spring with one end supported at the upper part of the shaft box body and the other end supported at the lower end of the framework and a one-system vertical shock absorber arranged on the framework form a one-system suspension system of the car body; the end part of the framework is provided with a unit brake; the shaft box body is provided with flaw detection devices arrange at intervals along the direction of steel tracks; and detection wheels of the flaw detection devices are in direct contact with steel tracks between the wheel pairs. According to the invention, the manufacturing cost is lowered, the shock of the detection wheels is reduced, the flaw detection accuracy rate is improved; moreover, the steering frame has the advantages of good operation quality is good, high pass curve performance, small horizontal force of wheel tracks, reliable braking performance and great convenience in maintenance and can completely meet the requirement of steel track flaw detection with high flaw detection speed.

The invention relates to a powder metallurgy brake shoe, in particular to a powder metallurgy brake shoe with a bent welded structure, which comprises a steel backing, a skeleton, a plurality of friction blocks, a brake shoe nose and a stopping block, wherein a brake block is formed on one skeleton by sintering friction blocks; the skeleton is welded onto the steel backing. According to the invention, a plurality of friction blocks are welded onto one whole skeleton at the same time, and then, the whole skeleton is welded onto the steel backing, the powder metallurgy brake shoe has the benefits of large friction area, simple structure, high convenience for processing, short processing periods, low cost, low possibility of looseness and flaking off for brake blocks, and high safety.

The invention relates to a relay service life obtaining method and device, a storage medium, electronic equipment and a vehicle. The remaining service life of a high-voltage relay can be accurately estimated. The invention discloses a high-voltage relay life obtaining method. The method comprises the steps of obtaining current life loss of a high-voltage relay, wherein the current life loss comprises first life loss caused by current closing and opening times; wherein the second service life loss is caused by the voltage difference between the two ends of the high-voltage relay in the currentclosing period, the third service life loss is caused by transient current in the current opening period, and the fourth service life loss is caused by electrifying current and temperature in the current charging and discharging accumulation time in the whole vehicle using process; and normalizing the obtained current life loss to obtain the residual service life of the high-voltage relay.

The invention discloses a motorcycle pedal assembly which comprises a foot containing body and a foot rest which is used for installing the foot containing body and can be fixed to a frame of a motorcycle. The inner end of the foot containing body is hinged to the foot rest and an air bag is additionally arranged between the foot containing body and the foot rest. By the adoption of the motorcycle pedal assembly, vibration generated by the motorcycle and transmitted to a driver and a rider can be effectively buffered, the comfort degree of the driver and the rider is increased, balance can be kept for the driver and the rider, gear shifting operation and braking operation performed by the driver are not affected or slightly affected, potential traveling safety hazards are effectively eliminated, and the traveling safety of the motorcycle is guaranteed to the maximum degree.

Belonging to the technical field of tire repair fluids, the invention discloses a tire repair fluid with high discrimination, which is composed of the following raw materials by weight: 20-30 parts of natural latex; 20-30 parts of an anti-freezing agent; 15 to 25 parts of water; 5-10 parts of a mixed auxiliary agent; 5-10 parts of a recognition additive; the tire repairing liquid is prepared by mixing the natural latex, the anti-freezing agent, the water, the mixed auxiliary agent and the recognition additive, the anti-freezing agent and the water are fully mixed through the mixed additive, the viscosity is increased, and the punctured position of a tire is repaired through the natural latex; the fluorescent agent in the identification additive can enable a driver to well judge whether the tire repair liquid continues to overflow or not at night, so that the identification degree is high, the tire repair condition of the tire repair liquid can be judged, and the potential safety hazard of driving is eliminated.

The invention discloses a vibration isolation pedal which comprises a leg supporter body and a leg supporter frame for installing the leg supporter body, wherein the inner end of the leg supporter body is articulated with the leg supporter frame, at least two rubber vibration damping seats are arranged on the leg supporter frame, and a positioning rod capable of being embedded into the rubber vibration damping seats to realize positioning is arranged at the bottom of the leg supporter body; and the leg supporter frame comprises a seat frame and a connecting frame for being fixed on a frame of a motorcycle, a cylindrical connector is formed at the inner end of the seat frame, a shaft sleeve is arranged at the connecting end of the connecting frame and the seat frame, and the connector penetrates through the shaft sleeve through a vibration damping lining so as to realize connection and fixation. The vibration isolation pedal can effectively buffer the vibration of the motorcycle and prevent the transfer of the vibration to a driver and a passenger, so that the comfort of the driver and the passenger can be improved , the driver and the passenger can keep balance easily and the influence to the operations of the driver for engaging a gear and braking can be avoided or relieved, thereby effectively eliminating potential safety hazards in running and ensuring the safety of the motorcycle in running to the maximum extent.

The invention discloses a steering wheel. According to the invention, a driver can execute a simple and repeatable dialing action along with loud sound so as to relieve anxiety which may occur in a driving process. The steering wheel comprises a lower ring framework integrated with a spoke and an upper ring framework; the diameter of the tail end of the upper ring framework is smaller than that ofthe framework body; the tail end of the lower ring framework is in the shape similar to a hollow sleeve, the tail end is inserted into the tail end through a limiting ring, the limiting ring can be switched between a first state and a second state, and when the limiting ring is in the first state, the upper ring framework and the lower ring framework are fixed. And when the limiting ring is in the second state, the upper ring framework can be driven by force to generate angular deflection relative to the plane where the lower ring framework is located.

The invention discloses a beautiful scene shooting method, which comprises the following steps: acquiring target scenic spot information on a navigation route according to a preset user preference scenic spot type and the acquired navigation route of a vehicle; wherein the target scenic spot information comprises position information of a target scenic spot and a scenic spot type of the target scenic spot; and acquiring real-time position information of a vehicle, and shooting the target scenic spot according to the real-time position information and the target scenic spot information to obtain a target scenic spot photo. The invention further discloses a beautiful scene shooting device. According to the embodiment of the invention, the user preference scenic spot type is considered, the target scenic spot information on the navigation route is obtained, the real-time position information and the target scenic spot information of the vehicle are combined, the target scenic spot is automatically shot, the driving potential safety hazard caused by manual observation of the scenery outside the vehicle and manual shooting of the scenic spot is avoided, and the scenic spot shooting quality is improved.