113results about How to "Reduce the probability of security incidents" patented technology

The invention discloses a truss type hydraulic folding and conveying device for ships. The truss type hydraulic folding and conveying device for ships comprises a fixing rack, a belt conveying mechanism and a foldable truss type conveying arm mechanism, wherein the belt conveying mechanism is arranged in the truss type conveying arm mechanism, the truss type conveying arm mechanism comprises a first conveying arm and a second conveying arm, the first conveying arm is connected with the fixing rack in a folding mode, the second conveying arm and the first conveying arm are connected in a folding mode, the fixing rack is provided with a security portal frame and a wire rope winding mechanism, the bottom of the security portal frame is connected to the fixing rack in a rotatable mode, the security portal frame is automatically erected or folded along with unfolding or folding of the first conveying arm, a foldable supporting connection rod is hinged between the lower portion of the security portal frame and the fixing rack, the maximum erecting angle B of the security portal frame is smaller than 90 degrees when the supporting connection rod is completely unfolded, and a wire rope is connected to the front end and the middle of the first conveying arm through an idler wheel at the top of the security portal frame. The truss type hydraulic folding and conveying device for ships has the advantages of being low in cost, high in safety, operability and navigation capacity and low in safety accident rate.

The invention provides an urban underground gas pipeline monitoring system. The urban underground gas pipeline monitoring system comprises a monitoring terminal, a wireless transmission module and real-time communication monitoring equipment. Gas concentration and negative pressure wave signal data are collected through sensors; data fusion is conducted through a STM32C8T6 processor; leakage sources are located by adopting an improvement cross-correlation analysis method; processed data are transmitted to a ground concentrator module through a LoRa wireless module; and data detected by different detection nodes are fused by a concentrator, and then the data are transmitted to a OneNET cloud platform and terminal equipment for display through a narrow band Internet of things (NB-IoT) wireless communication module. When gas leakage occurs, the working staff in a monitoring center are notified in time to deal with the situation through alarm display and sending of alarm text messages. According to design principles, outstanding anti-interference and signal penetrating capacities of the LoRa wireless module are utilized under the ground to conduct communication so that stability of signals can be guaranteed; on the ground, through the NB-IoT module, uploading of data and intercommunication between users are achieved; and by means of the platform of Internet of things, updating, adjustment and pre-overhaul of products are convenient.

A large liquid oxygen subcooling degree acquisition system utilizing the cooling capacity of liquid hydrogen comprises a liquid oxygen storage tank, wherein a pressurization outlet at the bottom of the liquid oxygen storage tank is connected to a return port at the top of the liquid oxygen storage tank through an air bath type vaporizer; a discharge port at the bottom of the liquid oxygen storagetank is connected to a filling port at the bottom of a built-in storage box through a liquid nitrogen bath type heat exchanger and an oxygen-helium heat exchanger; a pressurization port at the top ofthe built-in storage box is connected to an outlet of a first high-pressure helium tank; a liquid nitrogen side inlet of the liquid nitrogen bath type heat exchanger is connected to an outlet of a liquid nitrogen storage tank; evacuation from a nitrogen side outlet of the liquid nitrogen bath type heat exchanger is achieved through a nitrogen discharge valve; a helium side outlet of the oxygen-helium heat exchanger is connected to a helium side inlet of the oxygen-helium heat exchanger through a helium blower and a helium-hydrogen heat exchanger; a liquid hydrogen side inlet of the helium-hydrogen heat exchanger is connected to an outlet of a liquid hydrogen storage tank; and discharging from a hydrogen side outlet of the helium-hydrogen heat exchanger is achieved through a hydrogen discharge valve. The system provided by the invention has the advantages that liquid nitrogen precooling serves as a primary heat exchange cold source, liquid hydrogen serves as a secondary heat exchange cold source, and helium serves as an intermediate heat transfer medium, so that deeply subcooled liquid oxygen, of which the temperature is lower than 66K, can be prepared; and the structure is simple,and the operation is reliable.

This new firework oxidant is a multi-element composite composed of two or more azotates and one or several perchlorates, among which perchlorates and organic encapsulation agent uniformly cover on the surface of the complex azotate, forming a layer of compact complex film. This invention resolves the puzzle of azotates' inclination to absorb moisture and insensitivity to explode. Therefore if as a substitute for potassium chlorate and potassium perchlorate simultaneously, it can resolve the security problem during production, cut down production cost and increase profit. Advantages: advanced technology and superior technical performance.

The invention discloses a line containing structure for a mobile power or a power adapter. The line containing structure comprises a shell and a lifting cover plate. The outer side of the shell is provided with a concave cavity, a clamping groove is formed in the middle of the concave cavity, one side of the lifting cover plate is provided with a hollow wrapping post which can be embedded into the clamping groove, and the outer side of the lifting cover plate is matched with the outer side of the cavity, a lifting block is connected between the hollow wrapping post and the clamping groove, and the lifting block is sleeved with a main spring. A lifting sealed type line hiding structure is adopted, using is convenient, a line can be prevented from being damaged by sharp objects or grease to the maximum extent, and the probability of safety accidents caused by data line short out is thus reduced.

The invention discloses a dismounting method for metro section segments intruding into a tunnel gauge. The method is characterized by comprising the following steps: 1) the back of one segment is hollowed out, and a cavity gap is formed between the segment and surrounding rock; 2) bolts in a circumferential direction of the segment are dismounted, a first hole is drilled by water grinding drill along the longitudinal joint, and a second hole is drilled in the same circumferential section with the first hole along the whole segment; 3) a cutting wire saw penetrates the first hole and the second hole and winds around a driving wheel and an assisting wheel, a wire saw cutting machine is started, the wire saw operates around a cutting surface and grinds the segment to complete circumferential cutting, the wire saw operating in the cutting process is cooled with water, and grinding debris is carried away; 4) the cutting direction is adjusted after the circumferential cutting is completed, the segment is cut in the longitudinal direction of the second hole, longitudinal cutting is completed, the wire saw cutting machine is removed, and accordingly, one segment is dismounted, and dismounting of the next segment is performed. According to the method, construction is easy to operate, the progress is fast, the efficiency is high, the accident rate is low, and only manual cleaning is required after construction is completed.

The invention belongs to an air train with suspension type solar cell panels. A row of columns is erected in the middle or each of two sides of a road, crossbeams are erected on the columns, upright beams are erected on the crossbeams, the solar cell panels are mounted on the upright beams, steel channels are hoisted below the upright beams, steel wheels with axles are placed in the steel channels, the axles transversely penetrate through a chassis of the train, the chassis is connected with the train by a frame in a hinged manner, springs of the trains contact with bare wires below the crossbeams, the solar cell panels are connected with the bare wires and a state grid by leads, and automobiles run below the train. By the aid of the air train with the method, spaces are sufficiently utilized, a half of land is saved, and safety accident rate is low. Besides, the invention is applicable to high-speed trains, is sun-shading, protects a road surface against being exposed to the sun, can block snow, prevents ice and snow on the road surface from stopping running of the automobile, and can further provide clean energy resources for the trains, electric automobiles and the state grid.

The invention belongs to the technical field of no-fly airspace unmanned aerial vehicles, and particularly relates to a no-fly airspace unmanned aerial vehicle detection method. According to the invention, real-time and accurate unmanned aerial vehicle detection is carried out on unmanned aerial vehicles in a flight forbidding airspace, so that illegal flight unmanned aerial vehicles are effectively reduced through flight detection of the unmanned aerial vehicles. Meanwhile, the unmanned aerial vehicle flying in the airspace can be found more quickly and accurately, unmanned aerial vehicle countering measures can be implemented more quickly, losses caused by illegal flight of the unmanned aerial vehicle are reduced as much as possible, and the probability of safety accidents caused by theunmanned aerial vehicle is reduced. The detection result can detect the small unmanned aerial vehicle target, accurately identify what the target is and the approximate position of the target, and enable the algorithm to achieve the real-time capability. Considerable reaction time is brought for timely processing 'illegal flight 'of the unmanned aerial vehicle.

The invention discloses an explosion-proof LED (light-emitting diode) lamp and belongs to the technical field of illumination. The explosion-proof LED lamp comprises a lamp body, a lamp holder, a lampcover and an outgoing guide sleeve, wherein the lamp body is connected with the lamp holder through four stop screws; the outgoing guide sleeve is in threaded connection onto the lamp cover; a heat shield is fixedly connected into the lamp cover; a circuit board is fixedly connected into the heat shield; a heat collection housing is fixedly connected into the lamp body; an LED aluminum substrateis fixedly connected with one end, far away from the lamp holder, of the heat collection housing; a plurality of LED lamps are connected onto the LED aluminum substrates; reflection cups are mounted on the LED lamps; a convex lens is further fixedly connected into the lamp body; and a wire is connected between the circuit board and the LED aluminum substrate. According to the explosion-proof LED lamp, the sealability of the lamp body can be improved by collecting heat dissipated from LED light sources; an explosion-proof barrier is provided at last; dust explosion can be inhibited even if a poor sealing situation appears; the safety protection of the explosion-proof lamp is significantly improved; and the probability of safety accidents due to a problem of the explosion-proof lamp is greatly reduced.

The invention relates to a mounting method for a residence exhaust passage made of a metal material. The problem that the smoke isolation effect of a residence exhaust passage is poor is solved. The mounting method for the residence exhaust passage made of the metal material is characterized in that the residence exhaust passage comprises a plurality of exhaust units, and each exhaust unit comprises a metal pipe with an exhaust flow pass and two fixing devices arranged on the metal pipe; and a mounting channel for arranging a fire resisting damper and enabling an exhaust opening in the fire resisting damper to communicate with the corresponding exhaust flow pass in the corresponding metal pipe is formed in the metal pipe of the at least one exhaust unit. The mounting method for the residence exhaust passage comprises the following steps that at the assembly stage of the exhaust units, at least two of the exhaust units are connected into a whole in direct and / or indirect modes to form aflue unit; and at the assembly stage of the flue units, at least two of the flue units are connected into a whole in direct and / or indirect modes to form the residence exhaust passage.

The invention relates to the field of mobile phone supports, in particular to a vehicle-mounted pop-up mobile phone box. The mobile phone box is characterized in that the whole mobile phone box is embedded in an automobile dashboard; the whole mobile phone box is fixedly connected with the automobile dashboard through fixing lugs on the side face and / or bottom of a shell; the inside of the shell is provided with two opposite positioning slide grooves, and the portions, corresponding to the positions of the positioning slide grooves, of the outer part of an inside body are provided with slidingkeys so as to ensure that the inside body slides in the directions of the positioning slide grooves when ascending and descending; the bottom of the inner side of the shell is fixedly provided with adrive device, the bottom of the inner side of the shell is further provided with a door lock switch, and the portion, corresponding to the position of the door lock switch, of the bottom of the inside body is provided with a switch key; the top of the inside body is connected with a mobile phone clamping device through a support rod. The vehicle-mounted mobile phone fixing frame changes the external arrangement form of a traditional mobile phone fixing frame, has beautiful appearance and shape, and can enhance the competitiveness of automobiles to a certain degree.

The invention relates to the technical field of transportation, water conservancy, mining and other engineering, and provides a tunnel rockburst prevention support method based on the active support concept. The method includes the following steps: forming a drill hole in the wall surface, provided with a first concrete layer, of a to-be-supported tunnel; arranging an expansion shell type prestressed anchor rod in the drill hole, and controlling the expansion shell type prestressed anchor rod to apply a radial force to the tunnel wall for active support; arranging a steel bar net on the first concrete layer, spraying a second concrete layer on the surface of the steel bar net to cover the steel bar net on the first concrete layer. The method can effectively prevent the occurrence of rockburst and reduce the probability of safety accidents in tunnel support construction. The invention further provides a tunnel rockburst prevention support system based on the active support concept, and the system is established by the method and can effectively prevent the occurrence of rockburst and reduce the probability of the safety accidents in tunnel support construction.

The invention relates to the technical field of foundation pit construction, in particular to a foundation pit earth-rock excavation blasting method. The method comprises following steps: step 1, on-site investigation: a blasting site is investigated; step 2, formulation of a blasting scheme: the blasting scheme is formulated according to the on-site investigation; step 3, construction preparation: personnel allocation is carried out before construction, and blasting materials are transported and prepared simultaneously; step 4, drilling: blast holes are formed in a blasting area through drilling by drilling equipment at equal intervals; step 5, charging: the blast holes are filled with explosives, and detonators are inserted into the blast holes; step 6, guarding protection: the blastingarea is detected to determine that no personnel or equipment exists in the blasting area, meanwhile, the blasting area is guarded, and protective equipment for preventing stone which is blown up fromflying out of the blasting area is arranged; and step 7, detonation: the explosives are detonated. The foundation pit earth-rock excavation blasting method has the effects that the stone which is blown up can be protected, the probability of the stone flying out of the blasting area is reduced, and the probability of causing safety accidents is reduced.

The invention provides a panoramic imaging system for an automobile built-in rearview mirror, comprising a camera mounted on the automobile and capable of collecting images and an LED display screen capable of displaying images, wherein the camera is electrically connected with the LED display screen through a signal. The panoramic imaging system has no blind area, reduces the potential safety hazards and reduces the traffic accident rate in the driving process.

The invention discloses a tower crane equipment visual simulation system based on a Building Information Modeling (BIM) technology, and relates to the technical field of building construction. The system comprises a tower crane; a system host and a display are arranged in a control room of the tower crane; a fisheye camera and a wireless bridge transmitting end are further installed in the control room; the wireless bridge transmitting end is connected with the system host; an amplitude sensor is mounted on a cargo boom of the tower crane, and a spherical camera is mounted at the tail end of the cargo boom; a height sensor is mounted on a balance arm of the tower crane; a gun-shaped digital camera is mounted at a rear axle winch of the balance arm; and a ground monitoring room is provided with a wireless network bridge receiving end and a BIM model end which are connected with the system host through the wireless network bridge transmitting end and receive data information of the host. According to the tower crane hook visual system, the tower crane lifting process is displayed in real time, and the lifting work efficiency is greatly improved; and the BIM model end forms a visual model of the tower crane, the working state of the tower crane is monitored, and hoisting accidents are reduced.

The invention discloses an electro-hydraulic automatic control device of a grab bucket type crawler crane. The electro-hydraulic automatic control device comprises a plunger pump set, a pilot gear pump, an electromagnetic valve set for controlling a master winch clutch, a caliper disc proportional pressure reducing valve set for controlling the master winch caliper disc brake, a hydraulic controlreversing valve for controlling the master winch speed reducer brake, a master winch lifting control part and a control module. The automatic lifting and lowering functions of the master winch of thegrab crane meet the automatic control of the crane under the grab working condition, manual operation is not needed in the process, and the labor intensity of workers is relieved. Meanwhile, when thecrane master winch needs to work for a long time, an operator only needs to observe the working state of the crane without a get-on operation; and the grab crane can work efficiently for a long time,manual error operation is reduced, and the probability of safety accidents is reduced.

The invention provides an intelligent flavoring machine control method and an intelligent flavoring machine control system. The intelligent flavoring machine control method comprises the steps that an information processing terminal controls an intelligent flavoring terminal in a remote manner through a remote control terminal, acquires operating state information and fault type information of the intelligent flavoring terminal, and sets corresponding strategies according to the operating state information and the fault type information. The intelligent flavoring machine control method and the intelligent flavoring machine control system achieve the remote control on the intelligent flavoring terminal without manual operation, reduce maintenance time for the staff, improve maintenance efficiency and greatly enhance the user experience.

The invention discloses a mooring winch with an emergency quick cable release device. The mooring winch with the emergency quick cable release device comprises a mooring winch body, a connecting device, and a hook body locking and releasing device, wherein the hook body locking and releasing device is coupled with a cable hook, and the connecting device is provided with a connecting vertical shaftwhich is vertically distributed; the connecting vertical shaft is externally sleeved with a shaft sleeve, and a connecting plate is fixedly arranged on the shaft sleeve; the hook body locking and releasing device also comprises a shell, and the back end of the shell is connected with the connecting plate through a first hinge pin; the front end of the shell is connected with a cable hook througha second hinge pin, and a first transmission part and a second transmission part are arranged in the shell; the first transmission part is provided with a first cam block and a push rod, and the second transmission part is provided with a second cam block and a rod-shaped portion; the upper end of the rod-shaped portion is provided with a locking roller, and a third rotating shaft is coupled witha locking sleeve; a locking tongue is arranged on the locking sleeve. The mooring winch with the emergency quick cable release device disclosed by the invention can realize the requirement of quick mooring and quick release, and has the advantages of saving space, saving working time and improving work efficiency.

The invention relates to a railway signal microcomputer interlocking system capable for meeting the operating requirement of railway transportation of a metallurgical enterprise. The railway signal microcomputer interlocking system is characterized in that the railway signal microcomputer interlocking system is divided into six physical levels, namely a human-computer session layer, an interlocking computation layer, a double-nucleus driving layer, a combined circuit layer and a monitoring object layer so as to complete the interlocking function of various signals of a railway yard. The railway signal microcomputer interlocking system can increase transporting efficiency, improve labor condition, reduce accident rate of safety, realize modernized management of transportation and bring economic benefit so that gradual pulling of spring railroad switches by transporting personnel in the prior spot is changed into concentrated control of the railroad switches in a control chamber, thereby realizing interlocking; and the railway signal microcomputer interlocking system greatly shortens transportation time, saves comprehensive expense more than 30 percent, reduces equipment maintenance expense and reduces the workload of maintenance.

The invention discloses a compressed air nail-shooting gun comprising a compressed air inlet device, a gun head, a gun body which is internally provided with a piston assembly and a balance valve, a safety device and a control device, wherein the safety device is respectively connected with the gun head and a trigger to be used for controlling the trigger to move; the control device comprises the trigger and a valve; the balance valve is internally provided with an air exhausting channel; one side of the balance valve is matched with a piston and the other side of the balance valve is provided with a control cavity; when the trigger is not triggered, an air returning cabin is communicated with an air cylinder body, an air storage chamber is communicated with an air inlet channel, the control cavity is communicated with the air inlet channel through the valve, and the air exhausting channel is communicated with the atmosphere; and when the trigger is triggered, the valve and the trigger are matched to control the air exhausting channel to be communicated with the air storage chamber; the air exhausting channel is not communicated with the atmosphere; the control cavity is communicated with the atmosphere; and the control cavity is not communicated with the air inlet channel. The compressed air nail-shooting gun disclosed by the invention can be used for instantly striking a nail into a wooden base body and can also be used for striking the nail into a hard base body such as steel, concrete or rocks.

The invention relates to image processing, computer vision and deep learning, and belongs to the field of intelligent security and protection. The method comprises the steps of template generation, target detection and region discrimination. The target detection module is used for processing an input video monitoring image, detecting coordinates of a target in the image and inputting coordinate information into the region discrimination module, and the region discrimination module is used for generating a generated supervision region template through the template according to the coordinate information of the target and discriminating a supervision level of a supervision region where the target is located; according to the method, the supervision level of the supervision area where the target is located can be judged in a video monitoring scene, illegal intrusion of the supervision area is actively prevented, and safety guarantee is provided. And the method is convenient to implement and easy to popularize and apply.

The invention discloses a traffic tunnel intelligent safety management system which comprises a monitoring center and a height limiting portal. The monitoring center comprises a server, a plurality ofwireless communication base stations, a ventilation monitoring module, a fire monitoring module and a camera; a protective cover, a display screen, a controller, a baffle and a bracket are arranged on the height limiting portal; the ventilation monitoring module, the fire monitoring module and the camera are all in wireless connection with the wireless communication base stations; the wireless communication base stations are connected with the server; the server is connected with a background application terminal and the controller by a network; the controller is connected with the display screen; the bracket is mounted below the baffle; the protective cover is arranged above the baffle; the display screen is mounted in a cavity formed between the protective cover and the baffle; a storage battery is arranged in the baffle; the controller is mounted at one side of the storage battery; a warning light is arranged below the storage battery and the controller; a solar cell panel is mounted at the top of the protective cover; and the solar cell pane, the warning light and the controller are all electrically connected with the storage battery.

The invention provides a real-time automatic monitoring method for a wireless torsional force wrench. According to the method, each node bolt torsional force value of a scaffold can be effectively acquired through monitoring and statistics, real-time display and automatic alarm are carried out to prompt a fastening degree, the intelligent torsional force wrench is utilized, the BIM technology, the wireless transmission technology and the RFID technology are integrated, and all the bolt torsional force statuses of a temporarily-established scaffold system can be displayed through a background computer client or an APP mobile client in real time. Operation management of field operation workers is reinforced, one torsional force wrench corresponds to one number and one worker, a fastening qualified rate of operation carried out by the workers, the position of disqualified nodes and the quantity of the disqualified nodes are finally displayed on a background computer, the workers are convenient to carry out check and correction; the rapid and efficient processing method is provided for monitoring, correction and check on node bolt fastening force of the temporarily-established scaffold system, the intelligent temporarily-established scaffold safety management system and wireless automatic real-time monitoring are realized, and engineering safety, reduction of unnecessary construction period delay and economy loss reduction are realized.

The embodiment of the invention provides a circuit and a method for detecting current in a battery high-voltage circuit, a detector, a battery device, a carrying tool and a computer storage readable medium so as to solve the problem that the accuracy of the battery module current value detected by a current detection circuit is low in the prior art. The circuit for detecting the current in the battery high-voltage circuit comprises a processing assembly, a resistor and a pre-charge loop, the resistor comprises a cathode connection end and a non-cathode connection end which are connected to theprocessing assembly, the pre-charge loop comprises an anode connection end and a non-anode connection end which are connected to the processing assembly, and the non-anode connection end is connectedwith the non-cathode connection end. The circuit is integrated into the high-voltage circuit, connection wires of the components in the circuit are short, the current loss is reduced, and the accuracy of the battery module current value is improved.

The invention discloses an energy-saving anti-icing pavement. The energy-saving anti-icing pavement comprises an asphalt layer, a pavement base layer, and a heating supply system; the heating supply system comprises pavement heating pipeline, a heat transporting pipeline, an electric heating water tank, an energy storage unit, a solar energy generating set, and a wind energy generating set; the pavement base layer is arranged under the asphalt layer; the pavement heating pipeline is arranged in the pavement base layer; the heat transporting pipeline comprise a water inlet pipe and a water outlet pipe; the water inlet pipe is used for communicating a hot water outlet of the electric heating water tank with a water inlet of the pavement heating pipeline; the water outlet pipe is used for communicating a water inlet of the electric heating water tank with a water outlet of the pavement heating pipeline; the output terminals of the solar energy generating set and the wind energy generating set are both connected with the energy storage unit; the output terminal of the energy storage unit is connected with the electric heating water tank, and is used for heating water in the electric heating water tank. The energy-saving anti-icing pavement is low in accident rate, and long in service life, is capable of saving energy, and is friendly to the environment.

The invention provides a control system of an underground rock transporter in an inclined drift of a coal mine. The control system comprises a transporter stopper arranged at an entrance end of a track, wherein a speed-reducing limit switch, a first transporter arrester, an anti-overwind sensor and a second transporter arrester are sequentially arranged on the track located behind the transporter arrester; the speed-reducing limit switch and an output end of the anti-overwind sensor are electrically connected with an input end of a PLC (programmable logic controller) respectively; an output end of the PLC is electrically connected with input ends of the first transporter arrester, the second transporter arrester and the transporter stopper respectively; and the PLC is connected with the rock transporter interactively and electrically. The control system can guarantee reliable operation of the rock transporter in an ascending process and a descending process of the inclined drift transport and guarantee the safety and high efficiency of the underground inclined drift transport, meets requirements for safety production of the coal mine inclined drift transport, reduces the accident probability and the economic loss, and improves the automation degree of operation of an underground transport vehicle.

The invention discloses a road and bridge construction scaffold with high safety. The road and bridge construction scaffold comprises a scaffold body, and the scaffold body is provided with two parallel support plates. A mounting groove is formed in each support plate, a driven gear and a driving gear are rotationally connected in the mounting groove, and the driving gear is connected with the driven gear through a chain in a transmitting mode. The product is provided with a division plate, the division plate can keep out rain, and therefore workers can work in a better working environment. Aworking platform of the product can be automatically raised and lowered, and therefore the workers do not need shuttle between multiple working platforms, so the working efficiency of the workers is improved, and the probability of a safety accident of the workers is reduced. Meanwhile, the whole scaffold can be convenient to move under the driving of rollers, and the rollers can be adjusted; whenthe scaffold does not need to move, the rollers are not in contact with the ground, support legs are in contact with the ground, and therefore the supporting of the scaffold is even stronger. Therefore, the design is user-friendly, and the practicality is high.