47results about How to "Will not affect driving safety" patented technology

The invention discloses vibration measurement equipment for a rail, comprising a vibration sensor and a claw holding device, wherein the vibration sensor is installed in a protection box; and the claw holding device is held on flanges at two sides of the lower part of the rail for fixedly installing the protection box on the bottom of the rail. Compared with the prior art, the vibration measurement equipment adopts the claw holding device to directly fix the vibration sensor on the rail. The installation mode is convenient, does not affect normal driving of a train and does not affect drivingsafety. The whole vibration sensor is sealed in the protection box, thus the vibration measurement equipment is suitable for outdoors and can prevent water and moisture.

The invention provides a foldable track detecting apparatus comprising a pair of folding boxes, a rotating shaft, a main box body, a fixing plate, a fixed tensioning plate, an unfolded positioning plate, a tensioning plate, a tensioning rod, a heightening plate, a vehicle body and a distance sensor. The pair of folding boxes are respectively arranged at the left and the right sides of the main box body and are connected with the main box body through the rotating shaft. The rotating shaft, the fixing plate, the fixed tensioning plate, the unfolded positioning plate, the tensioning plate and the heightening plate are respectively arranged on the main box body. The vehicle body is connected with the main box body through the heightening plate. The distance sensor is arranged on the folding box and the main box body. The invention overcomes a defect that an ordinary detection apparatus is wider than an ordinary vehicle; as the foldable track detecting apparatus is small and does not influence the safety of the vehicle running, the safety of the detection process is greatly improved; and meanwhile, the foldable track detecting apparatus has simple structure, does not increase the cost and has wide application scope.

The invention provides a wheel rail electricity generating and energy storing system adopting rack and gear transmission. In order to achieve the purpose, the wheel rail vibration electricity generating and energy storing system comprises a clamping structure, a rack, a wheel train structure, a generator, a storage device and a bottom plate. The wheel rail vibration electricity generating and energy storing system is characterized in that the clamping structure clamp the lower portion of a wheel rail, the rack is fixedly connected to the clamping structure, the rack is meshed with the wheel train structure, a one-way transmission selection device is arranged in the wheel train structure, an output shaft of the wheel train is connected with the generator, the generator is electrically connected with a storage device, and the system is fixed to a bottom plate.

The invention aims at providing an energy accumulator which can store originally useless kinetic energy and convert the kinetic energy into auxiliary power. The energy accumulator comprises a braking part, a first planetary gear group, a gearbox, a ratchet device, a second planetary gear group, a compound ratchet and an energy accumulation part. The compound ratchet is composed of a sliding ring, a locating piece and a main ring. The external diameter of the main ring is smaller than the internal diameter of the corresponding position of an accommodating space, the internal diameter of the main ring is larger than the external diameter of the sliding ring, a plurality of outer grooves are annularly arranged at the position of the ring edge of the outer side of the main ring, and a plurality of inner grooves are also annularly arranged at the position of the ring edge of the inner side of the main ring. The outer grooves and the inner grooves are oppositely arranged, the higher side ends of and the lower side ends of both a first inclined plane and a second inclined plane are same in direction, and rolling columns capable of rolling in the outer grooves and the inner grooves are respectively movably embedded in the outer grooves and the inner grooves. In addition, a one-way bearing is further arranged at the joint of a first sun gear and a second planet carrier.

A sleeper-type dynamic failure detector for train features that multipole sets of CCD camera and lighting unit, vibration damper, protecting gate, cleaning unit, drive unit, insulating unit, electric unit and connecting lines are installed in a sleeper-type wooden box under rails for automatically taking the images of hook buffer, pneumatic brake, chassis, steering unit and the both sides of carriage, and the taken images are transmitted to detection center for analysis.

The invention discloses a double-track tunnel based on reversible complementary ventilation. The double-track tunnel comprises an upstream tunnel, a downstream tunnel and a connecting air passage, wherein the connecting air passage is used for communicating the upstream tunnel and the downstream tunnel; a position, near the connecting air passage, of each tunnel is provided with a cross section expansion region extending to a position outside a driving building limit of the tunnel; an opening of the connecting air passage is positioned in the cross section expansion region; each cross section expansion region is provided with an air passage partition wall; the opening of the connecting air passage is separated into an air blowing opening and an air sucking opening by the air passage partition wall; an air blowing opening air valve is arranged at the air blowing opening; and an air sucking opening air valve is arranged at the air sucking opening. The air passage partition wall impedes or performs flow division on tunnel air flow flowing in the traffic flow direction, and the tunnel air flow is driven to change the flowing direction to enter the connecting air passage and is further transferred into the opposite tunnel, so that the ventilation effect between the two tunnels is effectively improved; the backflow ventilation effect is favorably improved through the air blowing opening air valve and the air sucking opening air valve; and the opening of the air passage partition wall and the opening of the connecting air passage are positioned in the corresponding cross section expansion region, so that the driving safety in the tunnels cannot be influenced.

The invention discloses an elevated pavement structure safe to drive in a low-temperature weather condition. The elevated pavement structure comprises a waterproof layer on the bottom, an intermediate layer tiled on the waterproof layer, and an upper surface layer covering the intermediate layer. The waterproof layer is paved and formed by waterproof concrete. The intermediate layer is made of asphalt concrete added with graphite powder modifier. The upper surface layer is made of an asphalt mastic crushed stone mixture added with calcium chloride-water repelling grease mixture and graphite powder modifier. The upper surface layer is divided in a plurality of lanes. A heating cable is respectively laid in a snake shape below each lane in the waterproof layer. The elevated pavement structure reduces freezing point of an antifreezing pavement and improves thermal conductivity on the premise of maintaining relatively good low temperature anti-cracking ability of the upper surface layer. The laid heating cables can heat the pavement of a viaduct to melt snow and ice, so as to ensure the pavement of the viaduct can ensure driving safety under influence of ice and snow weather.

The invention provides a foldable track detecting apparatus comprising a pair of folding boxes, a rotating shaft, a main box body, a fixing plate, a fixed tensioning plate, an unfolded positioning plate, a tensioning plate, a tensioning rod, a heightening plate, a vehicle body and a distance sensor. The pair of folding boxes are respectively arranged at the left and the right sides of the main box body and are connected with the main box body through the rotating shaft. The rotating shaft, the fixing plate, the fixed tensioning plate, the unfolded positioning plate, the tensioning plate and the heightening plate are respectively arranged on the main box body. The vehicle body is connected with the main box body through the heightening plate. The distance sensor is arranged on the folding box and the main box body. The invention overcomes a defect that an ordinary detection apparatus is wider than an ordinary vehicle; as the foldable track detecting apparatus is small and does not influence the safety of the vehicle running, the safety of the detection process is greatly improved; and meanwhile, the foldable track detecting apparatus has simple structure, does not increase the costand has wide application scope.

The invention discloses photocatalytic nanometer spray coating and a method for preparing the same, and belongs to the technical field of photocatalytic coating. The photocatalytic nanometer spray coating comprises, by weight, 48.5%-49.5% of asphalt, 50%-51% of liquid soap and 0.5%-1% of silane coupling agents. The sum of the mass percents of the asphalt, the liquid soap and the silane coupling agents is a hundred percent; the liquid soap comprises, by weight, 0.4%-2% of stabilizers, 3%-6% of emulsifiers, 2%-6% of dispersing agents, 10%-20% of nanometer TiO2 and the balance high-purity water, and the sum of the mass percents of various components of the liquid soap is a hundred percent; the mass of the dispersing agents accounts for 20%-30% of that of the nanometer TiO2. The photocatalytic nanometer spray coating and the method have the advantage that problems that road spray coating is poor in storage stability, colors of the road spray coating are greatly different from colors of asphalt pavements, the antislip and permeability performance of the pavements are deteriorated and the driving safety is affected in the prior art can be solved by the aid of the photocatalytic nanometer spray coating and the method.

The invention relates to a fast and labor-saving opening and closing handle mechanism of a pressure-resistant hatch cover, comprising a pressure-resistant hatch cover, a connecting shaft is vertically installed in the middle of the pressure-resistant hatch cover, and a hand wheel is installed on the top of the connecting shaft, and the hand wheel includes a hand wheel body And the handwheel ring. The handwheel body is a columnar structure that matches the top of the connecting shaft. Several telescopic components that extend outward and pass through the handwheel ring are evenly distributed along the circumference of the handwheel body. Each telescopic component is installed inside to control the extension or Shortened latch assembly. The invention extends the force arm of the handwheel, reduces the operating force, accelerates the opening speed of the hatch cover, and reduces the risk; Corrosion of components and locking components reduces material performance requirements; telescopic components have no overhang phenomenon, reducing the possibility of hooking accidents and ensuring safe operation; the invention has low manufacturing cost and reliable performance, and can also be adapted to other hatch covers .

The invention relates to the field of vehicle steering systems and particularly relates to a hydraulic steering auxiliary system which comprises a steering auxiliary system controller, a vehicle speed sensor, a steering wheel angle sensor, an engine speed sensor and an engine controller; when the steering auxiliary system controller determines that a vehicle is in a low-speed steering state according to signals of the vehicle speed sensor, the steering wheel angle sensor and the engine speed sensor, the steering auxiliary system controller controls the engine to increase the rotation speed to a steering speed value by virtue of the engine controller until the vehicle exits from the low-speed steering state, the steering auxiliary system controller stops controlling the rotation speed of the engine. When the vehicle is in the low-speed steering state, the rotation speed of the engine is controlled, so that the steering input force is improved, and the control stability of the whole vehicle is improved; during normal driving, the auxiliary system is not in charge of control, has no influence on the traffic safety, is low in cost and has extensive popularization and application value.