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104results about How to "Ensure safe passage" patented technology

Multifunctional fabricated hydraulic drive moveable trestle

ActiveCN101598025AMeet the excavation construction requirementsAdaptableUnderground chambersTunnel liningDrive wheelSteering wheel
The invention provides a multifunctional fabricated hydraulic drive moveable trestle, relating to a hydraulic drive moveable trestle used for various excavation constructions carried out by various tunnel or cavity drilling and blasting methods. The trestle comprises a main trestle and approach trestles positioned on both ends of the main trestle, wherein, the main trestle comprises a transverse beam and trusses connected to both sides of the transverse beam, the upper and the lower ends of the trusses are respectively provided with upper chord members of the main trestle and lower chord members of the main trestle. The invention has the technical scheme that a steering wheel is installed on the front end of the main trestle, a driving wheel and a rear supporting device are installed on the rear end of the main trestle, and lifting mechanisms are arranged on the steering wheel and the driving wheel. Moveable tracks are installed on the lower chord members of the main trestle between the steering wheel and the rear supporting device; concrete slicking devices, fixing devices for inverted arch templates, front supporting devices and lengthwise moved idler pulleys for front support are installed on the moveable tracks, and drawing mechanisms are installed on the lower chord members of the main trestle on the left and the right sides of the trestle. The trestle is suitable for various excavation constructions of public roads, railroads, water diversion, flood discharge, anti-aircraft defense, and the like by the tunnel or cave drilling and blasting methods, and meets the requirements of simultaneous construction, namely the tunnel or cave excavation and the pouring of concrete for the bottom inverted arch.
Owner:SINOHYDRO BUREAU 7 CO LTD +1

Rotating arm type antifreezing fluid spraying device for two-lane coal trains

The invention relates to a rotating arm type antifreezing fluid spraying device for two-lane coal trains, belongs to the technical field of mechanical design and control, and in particular relates to an antifreezing fluid spraying device capable of evenly spraying antifreezing fluid from a position close to a nozzle to five surfaces in carriages of the coal trains in short distance. The antifreezing fluid spraying device is characterized by consisting of a square upright post 1, a side attached fastening device, a drive reducing mechanism, a swing mechanism, an upper connecting plate 12, a lower connecting plate 13, a multi-azimuth nozzle steering mechanism and a control system; and the antifreezing fluid spraying device makes operators far away from the spraying field by utilizing remote control, reduces the labor intensity of the operators, improves the labor environment, saves the dosage of the antifreezing fluid, saves the cost, ensures the safety of human bodies and transportation, can automatically recognize the carriages and headstocks, begins spraying when the carriages enter a spraying area, stops spraying when the carriages leave the spraying area, does not spray the fluid when couple empty spaces between the carriages and the headstocks of locomotives pass, and really realizes the full automatic antifreezing fluid spraying of railroad coal trains.
Owner:TAIYUAN UNIV OF TECH

Road safety isolation fence for sponge city construction

The invention belongs to the field of sponge cities, and in particular to a road safety isolation fence for sponge city construction. The isolation fence comprises a guardrail frame vertically fixed on the ground, a handrail horizontally extending along the road is arranged above the handrail frame; a water storage tank is arranged in the railing frame; an L-shaped water inlet pipe extending to the bottom of the railing frame is arranged at the bottom of the water storage tank; a one-way valve is arranged in the L-shaped water inlet pipe, a movable rod extending in the axis direction of the water storage tank is arranged in the water storage tank, the lower end of the movable rod extends into the handrail frame and is in sliding connection with the handrail frame, and the upper end of themovable rod extends out of the water storage tank and is fixedly connected with a horizontally-arranged wing plate. The movable rods can be driven by the wing plates to move upwards, a driver can judge the approximate vehicle speed at the moment by observing the colors on the tubular reflecting plates, guarantee is provided for road safety, rainwater can be sucked into the water storage tank to bestored in a rainy day environment, and the concept of sponge city construction is met.
Owner:李泽蒙

Induction type blind sidewalk floor tile convenient for passing

The invention belongs to the field of municipal construction, and in particular to an induction type blind sidewalk floor tile convenient for passing. The tile comprises a tile body, a lifting plate is connected to the inner side wall of the tile body in a sealed and sliding mode. The lifting plate is made of a magnetic material; the lifting plate divides the interior of the brick body into a sound production cavity and an air exchange cavity; a plurality of vertically arranged exhaust pipes are arranged in the lifting plate; the exhaust pipe penetrates through the lifting plate and is fixedlyconnected with the lifting plate; a one-way valve is arranged in the exhaust pipe; a protruding column is fixedly connected into the lifting plate in a penetrating mode, a sliding pipe is arranged inthe protruding column in a hollow mode and connected with the protruding column in a sealed and sliding mode, the upper end of the sliding pipe is sealed, the lower end of the sliding pipe is fixedlyconnected with the inner bottom face of the protruding column through a reset spring, and through holes are formed in the side wall of the protruding column and the side wall of the sliding pipe. When no blind person passes, no obvious protrusions exist on the upper surface of the brick body, normal pedestrian passing is facilitated, and when the blind person passes, the protruding columns protrude out of the tile body so that the blind person can distinguish the advancing route when walking.
Owner:秦帅

Method, system and equipment for automatic car to pass through toll station, and storage medium

The invention provides a method, system and equipment for an automatic car to pass through a toll station, and a storage medium. The method comprises the following steps that: when a toll station is in the presence in a way ahead the automatic car, the automatic car sends station passing information to the toll station, wherein the station passing information at least comprises the identificationnumber of the automatic car, highway driving information and a current position; the toll station collects the queuing data of each current toll gate, and according to the queuing data, one toll gateis selected to serve as the target toll gate of the automatic car; the toll station establishes a virtual guidance lane for the current position of the automatic car to the target toll gate of the automatic car, and sends the virtual guidance lane to the automatic car; and after the automatic car is driven through the target toll gate along the virtual guidance lane, according to the highway driving information, a charging money amount is obtained, and the charging money amount is deducted from an account corresponding to the identification number of the automatic car. By use of the method, aphenomenon that the automatic driving car can safely pass through the toll station under a situation of no entity lanes can be guaranteed, and the passing speed of the automatic car and the humanizedexperience of a rider can be improved.
Owner:AIWAYS AUTOMOBILE CO LTD

Fast transit charging method for vehicles with multiple benefits based on credit system

PendingCN109272589AEasy and quick passAlleviate the calculation of massive and high concurrent dataTicket-issuing apparatusCredit systemSocial benefits
The invention discloses a fast transit charging method for vehicles with multiple benefits based on a credit system. The fast transit charging method for vehicles with multiple benefits based on the credit system comprises the following steps: 1) vehicle information identification is performed when the vehicle enters or leaves a charging area; 2) the vehicle information after successful identification is transmitted to a cloud server; 3) a charging platform matches the vehicle information data on the cloud server, calculates according to a charging rule to obtain the toll fee combining the vehicle charging related data, and sends the fee information to the vehicle owner to prompt the vehicle owner to pay the fee in a limited time; and 4) if the fee is not paid successfully within the payment time limit, the charging platform sends information of penalty payment to the vehicle owner; and if the fee is not paid during a period of default, the transit information is recorded in a dishonesty blacklist. The fast transit charging method for vehicles with multiple benefits based on the credit system can ensure that the vehicle owner pays the fee after a certain period of time while ensuring the rapid transit of the vehicle, therefore, the influence on the transit speed caused by situations such as the expense or pre-stored fee of the account is insufficient is avoided; and the fast transit charging method for vehicles with multiple benefits based on the credit system has various economic and social benefits and has a wide application range.
Owner:广西智慧称重科技有限公司

Ecological system for improving self purification capacity of riverway and construction method of ecological system

The invention relates to the technical field of self purification of riverways, in particular to an ecological system for improving the self purification capacity of a riverway and a construction method of the ecological system. The system comprises the riverway, side slopes arranged on the two sides of the riverway and infiltration dams arranged on the riverway at intervals, wherein a stone purification layer is arranged on the surface layer of the river bottom of the riverway. A soil layer is further arranged on the stone purification layer. Water is arranged on the soil layer. An aquatic plant community layer is arranged on the surface layer of the water. Ecological bags are arranged on the side slopes. A vegetation layer is arranged on the surface of each ecological bag. The complete riverway ecological system is constructed in a staging manner through a chemical method, a biological method and an ecological method according to different water quality conditions; the water qualityis purified, and meanwhile the self purification capacity of the water is improved; the original ecological system of the water is restored; no secondary pollution is generated; and it is guaranteed that the repaired riverway ecological system operates stably for a long time.
Owner:ZHENGZHOU UNIV +1

Wagon coupler unlocking mechanism and wagon coupler buffer device with the same

The invention provides a wagon coupler unlocking mechanism which comprises the components of a coupler release rod, a release rod base, a supporting base and a coupler release chain. The coupler release rod is arranged on the release rod base and the supporting base and can freely rotate relative to the release rod base and the supporting base. One end of the coupler release chain is rotatably connected with the end of the coupler release rod, and the other end is rotatably connected with a rotating shaft on the wagon coupler. Through rotating the coupler release rod, the coupler release chain is tightened and the rotating shaft on the wagon coupler is driven to rotate, a lock iron block in a wagon coupler chamber is lifted and the wagon lock is in an unlocked state. After the coupler release rod is placed down, the lock iron block falls by means of self weight, and the rotating shaft returns to a locked state, thereby finishing a whole wagon hook unlocking process. The wagon coupler unlocking mechanism has advantages of simple and reliable structure and convenient detachment. The wagon coupler unlocking mechanism can totally satisfy the general requirement and interchange requirement of a railway wagon coupler buffer device in the Commonwealth of the Independent States (CIS), European countries and some African countries. Furthermore wagon utilization efficiency is improved.
Owner:CRRC MEISHAN

Traffic induction method for left turning at traffic intersection

The invention discloses a traffic induction method for left turning at a traffic intersection. The traffic induction method comprises the steps of: calculating a minimum vehicle speed required for a vehicle to pass a specified intersection when the vehicle enters a specified region at the intersection according to the remaining time until a signal lamp is switched to a red light and a distance that the vehicle needs to drive to pass the intersection completely; comparing the minimum vehicle speed with a speed limit value at the intersection, and determining whether the vehicle can pass the traffic intersection before the red light is switched to in an ideal state; if not, prompting the vehicle to control the vehicle speed and drive to a stop line for waiting; and determining a passing coefficient of the vehicle passing through the intersection according to a distance between the vehicle and a front vehicle as well as a speed of the front vehicle if determining that the vehicle can passthe intersection in an ideal state, and making suggestions on whether a vehicle continues to drive according to the passing coefficient. The traffic induction method for left turning at the traffic intersection disclosed by the invention improves the safety of the left-turning vehicle passing through the intersection.
Owner:LIAONING UNIVERSITY OF TECHNOLOGY

Through type cab emergency door

The invention discloses a through type cab emergency door. A pair of cab emergency end doors capable of being opened oppositely outwards is arranged in the center of the front end of a cab; door lock devices are arranged at the inner sides of the cab emergency end doors; the door lock device comprise a door lock, and a lock groove and a lock chain groove formed at the corresponding positions of two door leaves respectively; a lock chain, the movable end of which is matched with the lock chain groove, is fixed in the lock groove; and a ground arc cab apron extended forwards is arranged at the front end of the cab. When a train is temporarily enlarged, the through type cab emergency door structure of a head vehicle is opened and butted with a through passage of a middle vehicle, or the through type cab emergency door structures of two head vehicles are connected, so that the purposes of transferring or evacuating passengers and temporarily improving the delivery capacity are fulfilled; and if a sudden accident (particularly a subway vehicle catches a fire in a tunnel and the like) happens in the transport process, the through emergency evacuation structure is provided, and the passengers in the fault train can be quickly evacuated to a rescue train, so that life and wealth safety of the passengers is ensured.
Owner:CRRC NANJING PUZHEN CO LTD

Emergency braking signal generation device for high-speed train based on orthogonal collocation optimization

InactiveCN103303299AEnsure safe passageShort delayBrake safety systemsOrthogonal collocationTrain driver
The invention discloses an emergency braking signal generation device for a high-speed train based on orthogonal collocation optimization. The emergency braking signal generation device comprises a train speed sensor, a dangerous case distance/processing time input unit, a high-speed train central control MCU (micro controller unit), a brake unit and emergency braking alarm and state display equipment. After the train speed sensor is started for measuring current train speed in real time, a train driver inputs a dangerous case distance and the dangerous case processing time into the dangerous case distance/processing time input unit; and the high-speed train central control MCU is used for performing an internal orthogonal collocation optimization method, calculating a braking strategy capable of enabling the train to safely pass through a dangerous case position and enabling the train delay time to be shortest at the same time, converting the braking strategy obtained by the calculation into a braking instruction, sending the braking instruction to the brake unit, and sending an emergency braking alarm signal at the same time. According to the emergency braking signal generation device, the high-speed train can be guaranteed to safely pass through the dangerous case position and the train delay time can be also enabled to be shortest at the same time.
Owner:ZHEJIANG UNIV

Snow removing vehicle for road surface with ice and snow

The invention discloses a snow removing vehicle for a road surface with ice and snow. The snow removing vehicle comprises a flat-bed trolley, wherein the front end of the flat-bed trolley is provided with a snow sweeper and a snow pushing shovel in sequence; a flat-bed trolley frame is provided with a first fan, a heat exchanger, a second fan and a hot-air boiler in sequence from front to rear; a first hot-air sprayer and a second hot-air sprayer are respectively arranged under the flat-bed trolley frame from front to rear; a hot-air outlet of the hot-air boiler is communicated with a hot-air inlet of the heat exchanger; a hot-air outlet of the heat exchanger is communicated with an air inlet of the first hot-air sprayer by the first fan; the two ends of the heat exchanger are respectively provided with a cold-air inlet and an air outlet; and the air outlet is communicated with an air inlet of the second hot-air sprayer by the second fan. The snow removing vehicle disclosed by the invention has the beneficial effects that hard accumulated snow or ice layers on the road surface can be rapidly removed, the removal is clean and thorough, so that safety passing of transportation tools can be guaranteed; and the traveling speed of the whole vehicle is high, the traveling speed can reach 30km / h, and the working efficiency and the heat-energy utilization rate are high, and therefore, the snow removing vehicle is especially suitable for removing large-area ice and snow on the road surfaces of airports and highways and the like.
Owner:李涛 +1

Gangway structure for connecting floating bridge with floating platform

The invention provides a gangway structure for connecting a floating bridge with a floating platform and belongs to the technical field of floating bridge connection. The gangway structure for connecting the floating bridge with the floating platform comprises the floating bridge, the floating platform, footplates, a gangway and supporting limiting frames, wherein the footplates are arranged on the floating bridge and the floating platform; the gangway is hinged between the footplates of the floating platform and the floating bridge; and the supporting limiting frames are hinged on the floating bridge and the floating platform. According to the gangway structure for connecting the floating bridge with the floating platform, as a platform footplate is hinged on a floating bridge platform and the platform footplate is matched with a truss type gangway, the adapted draft difference is great and the adaptation is high; as the supporting limiting frames are arranged and a main support is arranged in the form of a double A-shaped truss, the position of the gangway structure between the floating platform and the floating bridge is effectively limited at a maximum draft difference and at a minimum draft difference so as to ensure that vehicles can safely pass; damage of the bridge body caused by collision between the floating bridge and the floating platform can be avoided; and moreover, the design load of the truss type gangway is reduced, the weight of the structure is reduced and the safety is enhanced.
Owner:708TH RES INST OF CSSC

Smart vehicle control system for city crossings

An intelligent management and control system for vehicles at city intersections, the intelligent management and control system includes a control system and an execution device; the control system includes a controller and a motor, the controller is connected to the motor through wires, and a screw rod is vertically installed on the motor shaft; the execution device includes Lifting rod and fence, one end of the lifting rod is connected with the screw rod through a differential, and a fence is installed on the lifting rod. The sound sensor of the control system is installed outside the control cabinet and connected to the controller through the signal line; the pressure sensor is installed on the fence and connected to the controller through the signal line; the obstacle detection sensor is connected to the controller through the signal line and installed in the control cabinet A backup DC power supply and an alarm are also installed inside, and the alarm is connected to the controller through wires. The intelligent management and control system can automatically control the safe passage of vehicles at urban intersections, effectively avoiding traffic accidents; it can not only maintain normal traffic order, but also ensure that emergency vehicles pass through the intersection quickly when an emergency occurs.
Owner:骆凯

Swing arm drive device for spraying antifreeze on coal-carrying train

The invention relates to a swing arm drive device for spraying antifreeze on a coal-carrying train, belonging to the field of machinery design. The swing arm drive device for spraying the antifreeze on the coal-carrying train is characterized by being of a structure of changing a shaft diameter by means of shaft sleeves and arranging a drive mechanism in the middle of a shaft, and the swing arm drive device comprises a square upright, a clamp device, a slewing mechanism, a driving mechanism, a stop block, an upper arm assembly and a lower arm assembly. One shaft sleeve is designed at each end of the shaft of the swing arm drive device, and the drive mechanism is arranged in the middle area of a rotating shaft, thus the distance between an upper support plate and a lower support plate in a limited space is increased, and the force applied by the supported swing arm to the rotating shaft is reduced. According to the invention, the diameter of the rotating shaft is changed by means of the shaft sleeves, and the position of the drive mechanism is rationally arranged, therefore volume and weight of the swing arm drive device are reduced, cost is saved and field installation is convenient. The swing arm drive device for spraying the antifreeze on the coal-carrying train has the characteristics of lower horizontal rotating speed, smaller rotating driving torque and strong radial carrying capacity at two ends of the rotating shaft, is in particular suitable for support and horizontal rotating drive to the swing arm for spraying the antifreeze on the coal-carrying train.
Owner:TAIYUAN UNIV OF TECH
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