54results about How to "Avoid affecting driving safety" patented technology

The invention relates to the technical field of road surface maintenance thin overlay, in particular to a surface treatment method for achieving low noise and skid resistance of a road. The surface treatment method adopts the road as a construction object and is characterized in that a construction vehicle is adopted for sequentially and synchronously spraying an interlayer interface agent, modified emulsified asphalt, a skid resistance and noise reduction material, modified emulsified asphalt and a surface protecting agent on the road surface, so that an ultrathin overlay structural layer with the thickness being 2-9 mm is formed on the road surface. The durability, water sealing performance and skid resistance are better than those of sand containing fog sealing layers and micro-surfacing, the travelling vehicle noise is lower than the micro-surfacing and a macadam sealing layer, the problems that rolling stone is likely to appear on a macadam sealing layer, so that travelling safety is affected, and sheet disengagement is likely to appear in the prior art are solved, and the surface treatment method is the ultrathin surface treatment technology with rapid construction and high cost performance.

The invention discloses a telescopic freight car which comprises a fixed car, a movable car arranged on the fixed car in a longitudinal reciprocating motion mode along the fixed car, a telescopic driving device arranged on the fixed car, and a locking device for locking or loosening the fixed car and the movable car. The motion output end of the telescopic driving device is connected with the movable car. When light cargo needs to be loaded, the locking device is loosened, the movable car is driven to extend backwards through the telescopic driving device, and then the movable car and the fixed car are locked through the locking device so as to increase car size and avoid effect on traffic safety caused by stacking. In addition, car length can be shortened so that parking space can be saved. The telescopic freight car is simple in structure, low in implementation cost, and practical in the field of light trucks.

The invention discloses a light alloy type special wheel. A rim is of an oppositely split structure. An inner rim body and an outer rim body are sealed through an O-shaped seal ring. The inner rim body and the outer rim body are connected through a bolt. The high-strength closely-pitched bolt is pressed into the inner rim body, wherein the high-strength closely-pitched bolt is in interference fit with the inner rim body. After the high-strength closely-pitched bolt penetrates through a bolt hole formed in the outer rim body, the high-strength closely-pitched bolt is connected with a nut with a flange and fastened through the nut with the flange, wherein the nut with the flange is matched with the high-strength closely-pitched bolt. The rim is provided with a built-in inflation channel and an inflating valve, wherein the inflating valve is connected with the rim in a threaded mode. A semi-depth groove is formed in the inner rim body. A boss for a supporting body is arranged at the bottom of the semi-depth groove.

The invention provides a device for automatically detecting the abrasion of the pantograph pan of a locomotive online. A front trigger switch and a rear trigger switch connected with a data processing and controlling device are fixed to the lateral surface of a detection shed at the height thereof being the same as the pantograph pan; a left background plate and a right background plate are respectively mounted on the left and right lateral surfaces of the detection shed; four image sensors are mounted on the detection shed; wherein a rear left image sensor and a rear right image sensor with the forward and downward viewing angle are respectively aimed at the front parts of the right background plate and the left background plate, and the rear left image sensor and the rear right image sensor are respectively aimed at the right half part and the left half part of a front plate of the pantograph pan of the locomotive when the rear trigger switch is triggered; and a front left image sensor and a front right image sensor with the backward and downward viewing angle are respectively aimed at the rear parts of the right background plate and the left background plate, and the front leftimage sensor and the front right image sensor are respectively aimed at the right half part and the left half part of the pantograph pan of the locomotive when the front trigger switch is triggered. Accordingly, the device capable of carrying out the automatic non-contact dynamic detection on the locomotive online has the advantages of high detection accuracy, safe and convenient application, high stability and reliability and long service life.

The invention discloses an automatic windscreen wiper control method and system, and relates to the field of automobile control, and the method comprises the steps: obtaining first image data of a front windshield area of a vehicle at a first moment, and detecting the first image definition of the first image data; when detecting that the first image definition is smaller than or equal to a preset image definition threshold value, controlling the windscreen wiper to start wiping; acquiring second image data of the front windshield area of the vehicle at the next moment of the first moment, and detecting the second image definition of the second image data; and according to the first image definition and the second image definition, determining the definition change trend of the vehicle front windshield area, and adjusting the wiping speed of the windscreen wiper according to the definition change trend. According to the invention, the wiping speed of the windscreen wiper can be adjusted according to the change of the real-time rainfall, effective wiping is carried out, the situation that the driving safety is influenced by untimely wiping is avoided, and meanwhile, the situation that the service lives of the windscreen wiper and the windscreen wiper motor are influenced by mistaken wiping or too high wiping frequency is avoided.

An anti-misoperation structure for an ignition switch comprises a transmission rod which is linked with an ignition lock core of the automobile ignition switch and a shell; an electromagnetic valve is also installed on the shell, the electromagnetic valve is connected with main control unit through a circuit, a retractable push rod is arranged inside the electromagnetic valve, and the push rod extends into an inner cavity of the shell through a hole on the shell; and the transmission rod is provided with a groove which is matched with the push rod, when an automobile transmission case gear stays at a neutral gear state, the main control unit inputs a signal to the electromagnetic valve, the electromagnetic valve is conducted, the push rod is retracted under the effect of a magnetic field force, and the push rod is separated from the groove. Due to adopting the anti-misoperation structure for the ignition switch, the problems that the service life of an engine is influenced by easiness of the ignition switch on a non-corresponding gear caused by misoperation in the advancing process of a car can be solved, simultaneously the safety of the car can be improved, simpleness in structure is realized, and the anti-misoperation structure can be widely applied to the field of the ignition switch.

The invention discloses a novel hand-slip preventive brake pull rod for a railway truck. The novel hand-slip preventive brake pull rod comprises a hand-slip preventive guide frame, a pull rod head and a pull rod. Guide grooves are formed in the hand-slip preventive frame along the vertical direction of the hand-slip preventive frame, a carrier roll is arranged on the lower portion of the hand-slip preventive frame, a hand-slip preventive groove is formed in the pull rod head along the horizontal direction of the pull rod head, the pull rod head is arranged on the carrier roll and is connected with the hand-slip preventive guide frame by a hand-slip preventive pin which penetrates the guide grooves and the hand-slip preventive groove, and an end of the pull rod is fixedly connected with a tail groove of the pull rod head. The novel hand-slip preventive brake pull rod has the advantages that problems of clamping stagnation due to the fact that an existing hand brake pull rod for a railway truck slips out of an existing carrier roll at a sudden sectional change position of round steel and breakage of the existing hand brake pull rod due to fatigue and stress concentration at a sectional sudden change position of the tail of the existing hand brake pull rod can be effectively solved by the aid of the novel hand-slip preventive brake pull rod; the pull rod head still can be fixed onto the hand-slip preventive guide frame by the aid of the hand-slip preventive pin even if the tail of the pull rod is accidentally broken, a rod body of the integral pull rod head can be supported by the carrier roll without falling off, and accordingly the driving safety can be guaranteed.

The invention relates to a segmental type antiglare shield comprising more than two split antiglare shields. The two adjacent split antiglare shields are fixedly connected up and down, and the fixed connection strength between the two adjacent split antiglare shields is smaller than the structural strength of each split antiglare shield; and the upper part and the lower part of each of the two adjacent split antiglare shields are in rigid fixed connection and each split antiglare shield further comprises flexible connection structures, and the two ends of each flexible connection structure are connected to the two adjacent split antiglare shields. The entire antiglare shield can not be damaged when impacted by a vehicle, and can still be used after part of the antiglare shield is replaced; the flexible connection structures of the segmental type antiglare shield can avoid the influence on driving safety after the antiglare shield is separated; and after the upper part of the segmental type antiglare shield is impacted and separated, the lower part is not influenced and can still play the role in partially resisting glare.

The invention provides a networked braking display screen of a haulage motor and a control method. The networked braking display screen has the functions of initializing a braking control system of the haulage motor, displaying the operating state of the system in real time and performing system diagnosis and recording. A color liquid crystal display (having the resolution ratio of 1024*768) is assembled at the front end of the braking display screen, and the operating state of the braking system is displayed; a touch screen and a film key are assembled at the front end of the braking displayscreen, and a man-machine interaction function is achieved. A CAN interface is formed in the rear end of the braking display screen, and communication is performed by adopting a two-way CAN bus. A daemon process is designed for the braking display screen to monitor the operation states of application programs, and the application programs are instantly restarted when accidentally discontinues or quits. By adopting the scheme, the stability and reliability of products are improved, and the working intensity of maintainers is reduced.

The invention discloses a rubber plate for railway level crossings and a rubber hold-down strip thereof, which are laid between two rails of the railway level crossing. The rubber plate comprises a plate main body and two concave trenches, wherein the plate main body is provided with a shoulder on each outer side of the two rails, and also is provided with at least one row of water fittings in parallel; the two concave trenches are respectively arranged on one side of each shoulder and respectively formed by the height difference between the top surface and the shoulder; and a plurality of combining holes are arranged in each concave trench. The rubber hold-down strip has the structure that the hold-down strip body is embedded in the concave trench of the rubber plate; a hollow buffer chamber is formed between the top surface and the bottom surface of the hold-down strip body; and a plurality of fixed bars are formed on the bottom surface of the hold-down strip body, and correspondingly inserted into the combining holes of the rubber plate.

The invention belongs to the technical field of using non-macromolecular organic matter as ingredients in the chemical industry. It uses lactic acid fermentation cell residues and lactic acid to prepare and extract waste liquid as main raw materials, and prepares bacterial residue waste liquids such as amino acid ammonium salts and polypeptide acid ammonium salts, and lactic acid sodium salt waste liquids. and lactate ammonium salt waste liquid, the above three waste liquids were concentrated to obtain acidolysis concentrate, sodium lactate concentrate and lactate ammonium salt concentrate, mixed according to the weight fraction ratio of 30:40:30, and obtained by spray drying. Salt-based organic acid salt environment-friendly deicing agent particles, the whole process is simple, low cost, good economic benefits, no secondary waste liquid and residue, the product can be completely degraded after snow melting, a good solution to the problem of inorganic salt snow melting The disadvantages of lactic acid fermentation can be eliminated, and the waste residue and waste liquid of lactic acid fermentation can be reused, which improves the added value of lactic acid fermentation production.

The invention discloses a road isolation belt with a lighting effect. The road isolation belt is characterized in that a plurality of positioning piles are arranged at a highway isolation place; two parallel transverse plates are arranged between every two adjacent positioning piles; a plurality of light shading louver boards which are parallel to each other are arranged between the two transverseplates at intervals; the light shading louver boards are obliquely arranged; the tilt direction of the light shading louver boards is consistent to a lane driving direction; a plurality of sets of light collecting illuminating mechanisms are arranged between every two adjacent positioning piles at equal intervals; and the light collecting illuminating mechanisms are used for projecting the lightrays of a car lamp on one side of a lane to the other side of the lane. By means of the structural arrangement, the light rays of the lanes on the two sides can be completely isolated, the influence on the driving safety due to mutual interference of the light rays of the lanes on the two sides is avoided, and meanwhile, air and sound can be normally transmitted and circulated between the lanes onthe two sides; the road surface of the lanes on the two sides can be illuminated by using the light rays of the car lamp at night or under a condition of dim weather, the light uniformity of the roadsurface is improved, the field of view of a driver is clearer, and the running safety is improved.

The embodiments of the invention provide a call control method, which is applied to an electronic device; the electronic device comprises a brain wave sensor, wherein the method comprises the following steps: when it is detected that the electronic device and an automobile central control system are in an interconnection state, switching the control mode of the electronic device into a brain wavecontrol mode; when a pass call request is detected, a brain wave signal of a user is acquired through the brain wave sensor; the passive call request is determined to respond according to the brain wave signal, and a call connection with an active calling party is built. According to the embodiments of the invention, the improvement of the intelligence, the security and the convenience of processing an incoming call request by an electronic device in a vehicle-mounted interconnection state is facilitated.

The invention discloses a stepping device for getting on a car, which relates to the technical field of auto parts. It includes a stepping bracket and a stepping plate. The stepping bracket is fixed on the fuel tank band through a mounting bracket. It is hinged with the step bracket, and the range of movement of the inner side of the step plate is within the step bracket; the outside of the step bracket has a support part supporting the step plate; an elastic limit mechanism is arranged between the support part and the step plate, and the elastic limit mechanism includes The limit pin shaft fixed on the inner bottom surface of the step plate and the limit shrapnel assembly installed on the support part, the limit shrapnel assembly has two limit shrapnels that are always clamped to the limit pin shaft, The bit shrapnel is arranged opposite to the length direction of the step plate. The invention solves the problem that the existing stepping device for a large-volume fuel tank vehicle cannot meet the requirements of stepping comfort and safety while ensuring the width of the entire vehicle.