32results about How to "Ensure driving safety performance" patented technology

The invention discloses a composite board which comprises two skin layers, wherein an intermediate layer is formed between the two skin layers and an inner stiffening beam is arranged between the two skin layers, a core material is filled in the intermediate layer, an outer stiffening beam is arranged between the core material and at least one skin layer, and a polydicyclopentadiene layer is arranged outside the at least one skin layer. The invention also discloses a preparation method of the composite board. The invention further discloses a dumper compartment comprising the composite board. The dumper compartment has the characteristics of strong bearing capacity, remarkable weight reducing effect, oil consumption saving, carbon dioxide emission reducing, long service life and the like.

The invention discloses an intelligent monitoring system for a vehicle gas cylinder for a liquefied natural gas vehicle. The intelligent monitoring system for the vehicle gas cylinder for the liquefied natural gas vehicle comprises a vehicle gas cylinder data acquisition unit, a vehicle gas cylinder data acquisition transmission terminal, a cloud server and a monitoring platform, wherein the vehicle gas cylinder data acquisition unit is used for acquiring relevant data of the vehicle gas cylinder for the liquefied natural gas vehicle and outputting to the vehicle gas cylinder data acquisition transmission terminal; the vehicle gas cylinder data acquisition transmission terminal, is used for sending the relevant data of the vehicle gas cylinder for the liquefied natural gas vehicle to the cloud server; and the monitoring platform is used for acquiring the data from the cloud server and monitoring the vehicle gas cylinder for the liquefied natural gas vehicle. The intelligent monitoring system for the vehicle gas cylinder for the liquefied natural gas vehicle provided by the invention can be used for effectively monitoring full-state information in the use process of the vehicle gas cylinder for the liquefied natural gas vehicle, and is safe, reliable, convenient to apply, accurate in monitoring, and capable of ensuring the safety in using and driving.

The invention relates to special vehicles, in particular to a trailer provided with support devices. The trailer comprises a chassis truck provided with a frame and side wall assemblies, wherein the frame is provided with the support devices, each support device comprises an inner sleeve and a landing leg, and a fixing block is arranged on the landing leg; a T-shaped block is mounted on an end surface of each inner sleeve, a hole in the T-shaped block is nested in a hole in the fixing block; first limiting pins and second limiting pins are mounted on the frame; a third limiting pin is mounted on each fixing block; a round hole which allows the first limiting pin to be nested is formed in one side of each inner sleeve, and a long-strip-shaped hole allowing the second limiting pin to be nested is formed in the other side of each inner sleeve. Compared with the prior art, the trailer is maneuverable, small and flexible, the obstacle passing capability and the bearing capability of the trailer are met, the stability and the shock absorption of equipment on the trailer during running can be guaranteed, the tires can be protected from deformation by external force during long-time parking of the trailer, and the service life of the tires is prolonged.

The invention discloses a method and a device for generating a code sequence table of a railway line, relates to the technical field of railway signal track circuit coding, and mainly aims to improvethe generation efficiency and accuracy of the code sequence table. According to the main technical scheme, the method comprises the steps of obtaining an engineering data table set of a target railwayline; extracting stations in a target railway line and sections managed by the stations according to the engineering data table set; determining a section sequence corresponding to the line to whichthe target station belongs according to data in the engineering data table set; and generating a code sequence table of the line to which the target station belongs according to the coding rule corresponding to the line and the section sequence as corresponding section codes.

The invention provides a line obstacle identification method based on three-dimensional imaging, comprising the following steps: periodically adjusting a scanning tilt angle of a planar laser radar through an angle adjustment mechanism to obtain N corresponding static two-dimensional scanning plane graphs; calculating an original height Sh corresponding to each square table cell according to the static two-dimensional scanning plane graphs, and obtaining an earth surface static three-dimensional point cloud graph; calculating a current height Dh corresponding to each square table cell according to a current two-dimensional scanning plane graph, and obtaining a current earth surface dynamic three-dimensional point cloud graph; comparing the earth surface static three-dimensional point cloudgraph with the current earth surface dynamic three-dimensional point cloud graph to obtain obstacle feature information in the current scanning period; comparing the obstacle feature information in the current scanning period with the obstacle feature information in the last scanning period to perform obstacle identification; and prompting a worker to check the railway line of the road section intime to ensure the railway running safety and personal safety and to reduce human casualty accidents inside and outside of the railway.

The invention discloses a statistical analysis method for cloud computing vehicle faults. The method comprises the following steps of: S1, collecting vehicle driving parameters and establishing a statistical model; S2, collecting vehicle maintenance records, obtaining parameters corresponding to fault types and establishing a fault model; S3, collecting real-time operation data of the vehicle andestablishing dynamic data; S4, establishing a dynamic model by an analysis module through the dynamic data, and transmitting the dynamic model to a comparison module; S5, receiving the dynamic model by the comparison module, comparing the dynamic model with the statistical model and fault model, and analyzing change data to generate alarm information; and S6, transmitting the alarm information toan alarm device by a cloud computing center. The statistical analysis method for cloud computing vehicle faults is capable of decreasing the fault rate and loss and ensuring the driving and transportation safety through collecting the normal driving data and fault data and carrying out analysis and processing by the cloud computing center, and is relatively wide in data comparison surface and highin adaptability.

The invention discloses a control method and a control system for a heavy-duty vehicle electric wheel system, and an electric vehicle. The method comprises the following steps: a current vehicle speedis collected when electric wheels are braked; and a corresponding braking mode is selected according to the current vehicle speed and a limited vehicle speed, if the vehicle speed is smaller than thelimited vehicle speed, each electric wheel is braked in the mode of combining motor braking and hydraulic brake braking, and if the vehicle speed is larger than the limited vehicle speed, each electric wheel is braked only through a hydraulic brake. The braking system has the following advantages: different braking modes can be selected according to the current working condition during service braking, a motor brake can be effectively protected against damage, the service life is prolonged, braking energy can be recycled, the endurance mileage is increased, and the safety of a driver is guaranteed.

The invention discloses mutual-inserted rail-side signal equipment floor hardeners. Each mutual-inserted rail-side signal equipment floor hardener comprises an upper plane frame, an enclosure table, ahardened surface panel and grid plates; the upper plane frame is rectangular; the hardened surface panel is fixedly mounted on the upper plane frame through self-tapping screws or rivets; the enclosure table is a rectangular parallelepiped frame and is fixedly installed on the lower part of the upper plane frame; and the grid plates are fixed to four side surfaces of the enclosure table. The floor hardeners are simple and convenient to install, easy to disassemble, corrosion-resistant, and long in service life.

The invention relates to the technical field of friction plates, in particular to a friction plate for a motorcycle brake. The friction plate comprises two semicircular friction pieces respectively installed on two sides of an axle, an inner ring of each semicircular friction piece is provided with multiple installing holes, and the two semicircular friction pieces are connected through multiple springs fastened in the installing holes. The friction plate for the motorcycle brake enables the braking effect of a motorcycle to be good. In addition, once the friction pieces are damaged, the friction pieces can be directly replaced, the cost is low.

An overload reminding device for an armor cash carrier mainly comprises a chassis load sensing device, a microprocessor and a prompting and warning device. The chassis load sensing device is composed of multiple gravity sensors at the bottom of a seat and are connected with the microprocessor; the microprocessor is a microprocessor system composed of a single chip microcomputer, the input port of the microprocessor is connected with the chassis load sensing device, and the output port of the microprocessor is connected with the prompting and warning device; the prompting and warning device is an output part of the whole system and is composed of a prompting loudspeaker circuit and a prompting signal lamp. By means of the overload reminding device for the armor cash carrier, overload real-time detection and warning of the armor cash carrier are achieved through a simple and effective method, and guarantees are provided for reasonable use and safe driving of vehicles.

The invention discloses an inflatable maintenance-free tire, and belongs to the technical field of tires. The inflatable maintenance-free tire comprises a tire body, a closed inner cavity is formed inthe tire body, and at least one inflating valve used for inflating or deflating the inner cavity is arranged on the tire body. The tire is novel in structure and high in practicability. 0.5-1.5 kg ofair pressure is inflated into the inner cavity through the inflating valve and is stored in a sealed mode, the comfortableness is improved, meanwhile, deformation of the tire in the driving process is compensated through the air pressure, wrapping and attaching between a crown of the tire and the ground are effectively improved, the ground contact surface is reasonable and balanced, abrasion is uniform, the service life of the tire is guaranteed, and the driving safety of the tire is guaranteed.

The embodiment of the invention provides a reinforcing structure of a railway turnout zone and a frame bridge structure penetrating through an existing railway. The reinforcing structure of the railway turnout zone is used for underneath passing through a frame bridge of an existing railway, and the reinforcing structure comprises a plurality of pile foundations, a plurality of cross beams, a plurality of longitudinal beams and overhead supporting beams. The multiple pile foundations are sequentially arranged along the two sides of the railway. The multiple cross beams extend along the crossing railway and are used for bearing the rail bottom or the sleeper bottom of an existing sleeper. The two ends of each cross beam are supported on a guard pile foundation, and the cross beams are disconnected at the area where a pull rod of a railroad switch is arranged. The longitudinal beams extend in the railway direction, are arranged above the cross beams and are connected with the cross beams, and the longitudinal beams are disconnected in the switch area. The overhead supporting beams extend in the railway direction and are arranged below the railroad switch at intervals, and the two ends of each overhead supporting beam are connected with the cross beams on the two sides of the railroad switch respectively. By the adoption of the scheme, the strength and rigidity of the turnout zone in construction of the frame bridge can be guaranteed, and driving safety is guaranteed.

The invention discloses a culvert and roadbed culvert transition structure. The culvert comprises culvert walls, lugs and a bearing platform for supporting line loads, wherein the culvert walls are positioned below the bearing platform, and are correspondingly arranged at the two ends of the bearing platform; the culvert walls and the bearing platform define a duct, and the lugs are positioned outside the duct, the lugs and the bearing platform are combined to form steps, and the top surface of the bearing platform is higher than that of the lugs. According to the technical scheme of the culvert and the roadbed culvert transition structure, it is guaranteed that the transition structure and the culvert are stressed together, and the settling volume of the transition structure and the culvert is basically consistent, so that the phenomenon that the settlement between the culvert and the transition structure is not uniform is reduced, and the driving safety and comfort are ensured.