93results about How to "Avoid stampede" patented technology

The invention relates to the technical field of terminal intelligent management, and particularly discloses a student information management system which is used for solving the problem that in existing teaching management, the distance between classrooms and the class duration arrangement of students are unreasonable. According to the invention, the shortest path of students among different classrooms is automatically calculated through the path planning module, so that the moving time of the students is reduced, and the students have more break time and prepare for the next course; the course schedule optimization and intelligent scheduling module dynamically adjusts course arrangement according to the walking distance and time between teaching buildings, the total moving distance of students in different courses is reduced to the maximum extent, and the students are prevented from being late or feeling tired due to running; the safety management notification module monitors the personnel flow of corridors and stairs in real time through a camera and a computer vision technology, automatically monitors the crowding condition, evaluates the accident occurrence probability, and reminds students and managers to take countermeasures, so that stampede or other safety accidents are prevented.

The invention relates to the technical field of metro field data processing, and discloses a metro field multi-scene linkage safety management and control system and method, and the system comprises an access control module, a monitoring module, an illumination module, a passenger flow prediction module, an abnormality detection module, and a security strategy module. Wherein the access control module records real-time passenger flow volume; the monitoring module is used for acquiring a monitoring video of a subway field section; the lighting module is used for controlling the working state of lighting equipment of the subway field section; the passenger flow prediction module is used for calculating a passenger flow prediction value; the anomaly detection module is used for carrying out anomaly detection; the security strategy module selects a security strategy based on the passenger flow volume predicted value and the abnormal alarm signal; according to the invention, through multi-system linkage, intelligent passenger flow management, comprehensive anomaly detection and dynamic illumination control, the safety management level of the metro field is comprehensively improved.

The invention discloses a biogas slurry, water and fertilizer integrated irrigation system, and relates to the technical field of orchard irrigation. The device comprises a control panel, the output end of the control panel is electrically connected with an irrigation mechanism, the control panel is used for controlling the irrigation mechanism to irrigate orchard ridges and controlling the irrigation mechanism to draw liquid fertilizer from a filtering mechanism, and the output end of the control panel is electrically connected with the filtering mechanism. The control panel is used for controlling the filtering mechanism to filter out liquid fertilizer from organic waste, the input end of the control panel is electrically connected with the remote terminal, and the remote terminal is used for inputting irrigation related conditions such as humidity in an orchard to the control panel and inputting irrigation related conditions in the orchard to the control panel in real time. The control panel controls the irrigation amount of the irrigation mechanism, appropriate water and fertilizer irrigation is conducted on an orchard, the control panel controls the filtering mechanism and the irrigation mechanism, and liquid fertilizer can be filtered out from organic waste integrally.

The utility model belongs to the technical field of metabolism cages, and provides a metabolism cage trough baffle which comprises a metabolism cage, an adjusting plate and an adjusting device, a trough is arranged on the metabolism cage, the adjusting plate is arranged on the metabolism cage through the adjusting device and located above the trough, and the adjusting device comprises an adjusting nut and a stud which are arranged in a matched mode. The stud is provided with a limiting groove, the limiting groove is clamped on the metabolism cage, and the adjusting plate is adjusted up and down by screwing the adjusting nut. According to the adjusting device, the adjusting nut and the stud on the adjusting device are matched with each other, so that loosening adjustment and fastening positioning between the adjusting plate and the metabolism cage can be achieved, the adjusting plate can be adjusted conveniently, the adjusting device can be suitable for feeding of poultry in different growth stages, and the problem that the poultry is treaded or inconvenient to feed in the feeding process is solved.

The invention relates to the technical field of animal husbandry, in particular to an intelligent animal husbandry intelligent feeding device which comprises a feeding trough and a feed cylinder, a back plate is arranged on the back side of the feeding trough, and the feed cylinder is movably arranged on the back plate and used for adding feed into the feeding trough; the partition plate is rotationally arranged on the feeding trough, and when the partition plate rotates to adjust the position, the top end of the feeding trough can be controlled to be opened and closed; and the transmission assembly is movably arranged between the feeding trough and the back plate, and when the charging barrel moves and feeds are added into the feeding trough, the charging barrel can drive the partition plate to rotate through the transmission assembly to seal the feeding trough. The feed barrel automatically adds feed into the feeding trough through the sliding groove in the back plate and the lead screw driving system, meanwhile, in the feed adding process, the partition plate is driven by the transmission assembly to rotate, the top of the feeding trough is automatically closed, treading of swinery in the feeding process and feed waste are effectively prevented, and order and safety in the feeding process are ensured.

The utility model relates to the technical field of gratings, and discloses a grating protection device which comprises a protection shell, the inner wall of the protection shell is fixedly connected with a fixing plate, the front face of the fixing plate is in threaded connection with an installation screw, and the rear end of the installation screw is fixedly connected with an installation threaded rod. The inner wall of the protection shell is fixedly connected with a grating protection device body, the top of each fixing plate is in threaded connection with a limiting threaded rod, the limiting threaded rods are located in the protection shell, and the fixing plates are symmetrically distributed with the protection shell as the center. According to the grating protection device, treading can be prevented through the arrangement of the protection shell, the situation that signals are lost after objects fall off or the grating shifts is avoided, the safety of the grating protection device body in the using process is improved, and the service life of the grating protection device body is prolonged.

The present invention relates to the technical field of fire doors, and specifically to a fire door with a smoke and dust blocking structure, comprising a driving mechanism, a sealing mechanism and a pressing mechanism; the driving mechanism is connected to a door frame; the sealing mechanism is connected to the driving mechanism; the pressing mechanism is connected to the door frame; by designing a sealing strip as a movable structure, the sealing strip shrinks into the door frame when the fire door is opened, and the sealing strip extends and adheres to the door leaf when the fire door is closed to close the door gap, and the sealing end face of the sealing strip does not rub against any structure during the sliding process. When a fire occurs, the sealing strip is further pressed against the door leaf by the high temperature; the problem that the normally closed fire door set in a stairwell with a large flow of people is frequently opened and closed, resulting in the sealing strip being worn during the door opening and closing process and being unable to effectively block smoke is solved.

This utility model relates to the field of anti-backflow terminal control technology, and discloses a multi-port anti-backflow intelligent control terminal, including a multi-port anti-backflow control device. A fixed outer shell is provided on the outside of the multi-port anti-backflow control device for fixing the device. A first protective mechanism is provided on the outside of the fixed outer shell for protecting the device. A connecting component is provided on one side of the first protective mechanism for sealing the device to the fixed outer shell. When the top plate is impacted, the fork-shaped hinge frame causes the sliding block to slide away from the fixed block. The elastic tension applied by the spring to the second connecting rod further pushes the sliding block towards the fixed block, thus absorbing the impact force generated when the top plate is hit. This prevents the terminal from being damaged by tools, being stepped on, or being struck by falling heavy objects.

The floor lamp comprises a lamp holder, a support is fixedly connected to the lamp holder, the power line is connected to the support, a lamp cap connected with the power line is connected to the support, a protection assembly is arranged below the lamp holder, and the lamp holder is placed in the protection assembly. In the using process of the floor lamp, a user can conveniently wind a power line on a winding column, then the power line can be protected under the assistance of a protection barrel, the power line is further prevented from being treaded and bitten by mice, meanwhile, the user can conveniently store the floor lamp, and the floor lamp is further convenient to use by the user; and meanwhile, the insect repellent in the protection assembly can effectively enable the device to achieve the insect prevention purpose, the fluorescent cover can enable the user to more conveniently notice the floor lamp, and the practicability of the device is further improved.

The invention belongs to the field of brake control of instructional cars, particularly relates to an electric control device for an automatic brake motor of an instructional car, and aims to solve the problems that an existing auxiliary brake pedal can only be pedaled by an instructor and is single in operation mode when being used, the following scheme is provided: the electric control device comprises a fixed block, a fixed shell and a fixed seat which are fixed on the brake pedal, a stand column is fixedly connected to the surface of the fixing seat, an auxiliary pedal is rotatably connected to the top of the stand column, a fixing frame is fixedly connected to one end of the auxiliary pedal, and a push plate is rotatably connected to the bottom of the fixing frame. Meanwhile, in the braking process, the sliding plate drives the first sliding rod and the fixing sleeve to move, the accelerator pedal is blocked through the fixing sleeve, the accelerator pedal is prevented from being treaded continuously, and using is safer.

This utility model belongs to the field of elevator maintenance technology, specifically relating to an elevator maintenance rack bracket. This bracket, through the cooperation of a support frame, a crossbar, and a base plate, allows the bracket to be directly pushed into the elevator shaft after the landing door is opened, enabling quick locking and improving elevator maintenance efficiency. Simultaneously, the crossbar's placement against the walls on both sides of the elevator shaft landing door ensures a more stable overall fixation of the bracket, providing a reliable and stable working environment for maintenance personnel. Turning the handle allows the lead screw to drive the support plate back and forth via threaded transmission, better matching the wall thickness and improving the bracket's applicability. The combination of wheels and a handle allows a single person to easily push the bracket to the target floor elevator entrance, reducing the labor intensity of maintenance personnel when moving the elevator and improving its ease of use.

The utility model discloses an under-forest multifunctional movable poultry breeding device, including the henhouse, and the henhouse includes the egg production area, the habitat area, the feeding area and the movable cage, and the henhouse bottom is provided with the bottom plate, and the bottom plate lower surface is provided with a plurality of moving wheels, and the bottom plate top is provided with the mesh, and the mesh and the bottom plate between sliding insertion have the excrement receiving tray, and the habitat area is provided with a plurality of habitat racks, and the habitat area top is provided with the supporting plate, and the supporting plate upper surface is provided with a plurality of egg production nests, and the mesh upper surface of feeding area is provided with the trough and the water tank respectively, and the feeding area one end surface is provided with the sliding door. The utility model discloses through setting up the pull rod and the moving wheel, can realize flexible movement, avoid poultry long -term concentration in the same area activity, can replace the site in time, protect under-forest vegetation and soil structure, maintain the ecological balance, set up the excrement receiving tray, and the excrement receiving tray lets the staff can daily unified collection excrement, avoid excrement pollution breeding environment, and the cleaning process need not frequently enter the henhouse, and the time and energy are saved.

The utility model relates to the field of manned conveying device industry, in particular to a moving sidewalk. The technical problems that a conventional moving sidewalk is not convenient enough to overhaul and maintain, and pedestrians are prone to slipping on the sidewalk due to rainwater or silt on shoe soles are solved. According to the technical scheme, the moving sidewalk comprises a sidewalk assembly, a handrail assembly, a pedal assembly and a cleaning assembly. Through the arrangement of the access hole formed in the side face of the moving sidewalk and the pedal assembly easy to disassemble and assemble, the sidewalk can be rapidly overhauled and maintained, through the arrangement of the cleaning assembly and the dual cleaning of the ground mat and the drying machine, rainwater, silt and the like attached to the soles of pedestrians can be thoroughly cleaned, and the service life of the moving sidewalk is prolonged. And the anti-skid rubber blocks are arranged on the pedal assemblies, so that pedestrians are prevented from being injured due to slipping and falling down when climbing on the moving sidewalk, and the problems are solved.

The present invention belongs to the technical field of distribution boxes, and specifically is an outdoor distribution box, comprising a support base, a distribution box body is fixedly installed on the upper end of the support base, a box door is arranged on one side of the distribution box body, and a winding mechanism for winding up a charging line is arranged in the distribution box body, the winding mechanism comprises a winding disk, the winding disk is fixedly installed in the distribution box body, a fixed cover is fixedly installed on one side of the winding disk, a swivel shaft rotatably connected to the fixed cover, one end of the swivel shaft is fixedly connected to a winding arm, and the other end of the swivel shaft is connected to a motor, and multiple pairs of lead wheels for guiding the charging line are rotatably installed in the winding arm. Since the charging line is wound on the winding disk in advance, during the charging process of the new energy vehicle, the winding mechanism can release the charging line of appropriate length according to the distance the vehicle is parked, and the charging line will not fall on the ground due to being too long, so as to avoid the charging line being contaminated by ground stains and stepped on, thereby improving the service life of the charging line.

The utility model discloses a wire harness protection device. The wire harness protection device comprises a shell and a wire harness positioning part, the wire harness positioning part is arranged in the shell and is used for clamping and positioning a wire harness to be protected; the shell is provided with a wire inlet allowing a wire harness to be protected to penetrate, the wire inlet is formed in the side face and / or the bottom face of the shell, and the wire inlet faces the interior of the shell and is gradually shrunk towards the center of the cross section of the wire inlet. The wire harness protection device provided by the utility model can clamp, position and protect the wire harness to be protected, reduces the risk that the wire harness to be protected is loosened or worn due to vibration, prevents wiring ports of a low-voltage wire harness and a whole-vehicle-end wire harness from being treaded, reduces the risk that external rainwater and dust enter the shell and are in contact with the wiring ports of different wire harnesses to be protected, and improves the safety of the whole-vehicle-end wire harness. And the installation quality of the to-be-protected wire harness is improved.

The embodiment of the invention provides a lattice point information processing method and device, electronic equipment and a storage medium. The grid point information processing method comprises the following steps: acquiring coordinate information of a reference grid point; wherein the coordinate information of the reference grid points comprises lx / (a * b * c * n), ly / (a * b * c * n) and lz / (a * b * c * n); the lx, the ly and the lz are the sizes of the box used for containing the crystals in the first direction, the second direction and the third direction respectively, and every two of the first direction, the second direction and the third direction are perpendicular to each other; a, b and c are respectively constants; n is a cubic root of the number of the lattice points in the lattice point block, and the lattice point block is a minimum unit occupied by the lattice points in a box used for containing crystals; determining the coordinate variation of the target grid point in each direction; and determining the coordinate information of the target grid point based on the coordinate information of the reference grid point and the coordinate variation of the target grid point in each direction.

The utility model discloses a building fire exit door easy to evacuate, which comprises a door frame, a movable bin, an alarm mechanism, a clamping mechanism, a fixed column, a ventilation mechanism, a fixed cylinder, a pop-up mechanism, a fire exit door and a ventilation pipe, the movable bin is arranged in the upper end of the door frame, the alarm mechanism is arranged in the movable bin, the clamping mechanism is arranged at the lower end of an electric cylinder, and the fixed column is arranged in the movable bin. A ventilation mechanism is arranged in the fixing column, pop-up mechanisms are arranged at the upper end and the lower end of one side of the inner wall of the fixing cylinder, a fire exit door is arranged on one side of the fixing cylinder, and a plurality of evenly-distributed ventilation pipes are inserted into the fire exit door. Compared with the prior art, the fire exit door has the advantages that the fire exit door is matched with the clamping mechanism, the alarm mechanism, the pop-up mechanism and the like, so that the fire exit door can be automatically popped up when a fire occurs, the escape time is saved, and the escape probability is improved; and a ventilation mechanism is arranged to cool the fire exit door, and meanwhile smoke is blown away to provide visual fields for people.

The application relates to the technical field of mobile casters, and provides a linkage mechanism for mobile casters, which comprises a mobile body and casters, the casters are arranged in an array and are arranged at fulcrum positions of the mobile body, and the linkage mechanism further comprises incomplete gears, a rack, a control rod and support seats, the support seats are arranged at four positions and are fixedly connected to the mobile body and close to each of the casters, the incomplete gears are fixedly connected to the control rod, and the incomplete gears are engaged with the rack. When the control rod rotates, the control rod actively controls the adjacent rotating wheels, the incomplete gears drive the rack to move, the rack drives the incomplete gears on the other side to rotate in the process of moving, the control rod drives the rotating wheels, and finally the rotating wheels control the four casters to start and stop uniformly in the process of rotating, so that the operation efficiency is improved.

This application discloses an adaptive energy-saving operation control system and method for escalators that detects passenger flow, relating to the field of intelligent control technology. It solves the technical problem in existing technologies where the threshold is generally set to a fixed value when comparing passenger flow with a threshold. This can lead to congestion and potentially stampedes during peak periods like holidays. This application utilizes data sensors to collect real-time passenger flow data entering the escalator area; it controls the escalator's start and stop based on the real-time passenger flow; it adjusts the escalator's operating speed based on the real-time passenger flow; it predicts passenger flow based on historical data; and it determines the escalator's maintenance and inspection time based on the prediction results. This system not only controls start and stop but also adjusts the operating speed based on real-time passenger flow. Appropriate speed reduction can bring exponential energy savings, directly reducing electricity costs and extending equipment lifespan.

The utility model relates to a medical ultrasonic detection device, which comprises an ultrasonic detection component, an ultrasonic detector host and a display screen, and is characterized in that the ultrasonic detection component comprises a plurality of detection heads, an ultrasonic detector host and a display screen, and the detection heads are connected with the ultrasonic detector host through cables; the bracket is used for supporting the ultrasonic detector host and the display screen; the hanging plate is arranged on one side of the bracket and is used for hanging the detection head; the limiting assembly comprises a clamping sleeve and a limiting plate, the clamping sleeve and the limiting plate are detachably connected, the clamping sleeve is arranged on the outer side of the cable and located in the middle of the cable, and the limiting plate is arranged on one side of the support. According to the medical ultrasonic detection device, the limiting assembly is designed for limiting and constraining the middle of the cable, so that the cable cannot make contact with the ground, the cable is prevented from being treaded and protected, medical personnel cannot be accidentally constrained by the cable, and safety accidents are avoided.

The application provides a guardrail for initial construction of asphalt pavement and a use method thereof. The guardrail comprises a plurality of interconnected guardrail units. Each guardrail unit comprises a plurality of parallel arranged bars. Two ends of each bar are connected with a base and a horizontal bar respectively. One end of each guardrail unit is provided with a first limiting mechanism. A connecting piece is arranged in the first limiting mechanism. The connecting piece is detachably connected with an adjacent guardrail unit. A plurality of second limiting mechanisms are arranged on the top of the base. Two sides of each second limiting mechanism are connected with the bars. Two supporting legs are hingedly connected on the second limiting mechanism. A sleeve is movably connected with one end of each supporting leg away from the second limiting mechanism. The sleeve is slidably connected with the bar. Two supporting legs can form a triangular support with the ground. The application can effectively prevent pedestrians from passing through the gap between the guardrails and enhance the stability of the guardrail on the ground.

The utility model relates to the technical field of building construction, and discloses a building construction pipeline fixing device which comprises a fixing frame, and a hand wheel is arranged on the upper surface of the fixing frame. According to the building construction formwork fixing device, through cooperative arrangement of the fixing frame, the hand wheel, the connecting rod, the bidirectional threaded rod, the first threaded hole, a lower clamping plate, a pipeline containing groove, a protection pad, a limiting hole, a limiting rod, a second threaded hole, an upper clamping plate, an electric push rod and a fixing block, when the building construction formwork fixing device is used, a worker places a pipeline on the protection pad in the pipeline containing groove; a hand wheel is rotated to drive a connecting rod and a two-way threaded rod to rotate, then a lower clamping plate and an upper clamping plate are driven to move close to each other on the surface of the two-way threaded rod through a first threaded hole and a second threaded hole until the lower clamping plate and the upper clamping plate are attached, and an electric push rod is started to drive a fixing block to move downwards to press and fix a pipeline; and therefore, the effect of protecting and fixing the pipelines of different sizes is achieved, and the situation that the pipelines are abraded is effectively avoided.

The utility model discloses a probiotic culture bed. The probiotic culture bed comprises a fermentation tank, a ploughing knife and a driver, the fermentation tank is used for paving padding; the ploughing knife is embedded in the padding, and the ploughing knife is fixedly connected with an execution part of the driver; the driver is used for driving the plowing knife to execute circulating movement or reciprocating movement in the padding so as to plow the padding. According to the probiotic culture bed, the plowing knife driven by the driver moves circularly or reciprocatingly in the padding to plow the padding, so that manpower is saved, and when the padding plowing work is not executed, the plowing knife moves to the bottommost layer of the padding or moves to the edge of the padding and is hidden below the edge of the fermentation tank, so that the plowing knife is prevented from moving to the lowest layer of the padding or moves to the edge of the padding and is hidden below the edge of the fermentation tank. The live pigs are prevented from treading on the ploughing knife.

The utility model discloses a novel high-density composite material tunnel emergency escape channel which comprises a channel shell, a mounting block, an escape part, a fixing part and a connecting part, the channel shell is used for providing mounting conditions for parts of the novel high-density composite material tunnel emergency escape channel, and the mounting block is arranged on one side of the channel shell; and the fixing part is arranged on one side of the mounting block. Through the arrangement of the connecting part and the fixing part, the fixing disc is firstly pressed to enable the sliding pipe to slide in the fixing pipe, so that the fixing disc presses the spring and extends into the mounting groove, then the fixing block extends into the connecting part, and when the fixing disc corresponds to a fixing opening of the connecting part, the fixing disc is ejected out due to the reset function of the spring; the fixing disc penetrates out of the fixing opening, so that the two escape parts are connected, and the problem that the stability of an escape channel is affected due to the fact that a fastener connected with the accessory hoop is loosened or damaged can be solved.

The utility model provides a pipeline system which comprises a positioning bottom plate and a pipeline, a supporting sleeve frame is arranged on the top face of the positioning bottom plate in a bolted mode, a telescopic frame is arranged in the supporting sleeve frame in a sliding mode, a guide groove is formed in the top face of the telescopic frame, a limiting spring is arranged on the bottom face in the guide groove, the top end of the limiting spring is connected to a U-shaped support, and a limiting arc frame is connected to one end of the U-shaped support. A bearing arc frame is bolted to the side face of the telescopic frame, a pipeline is arranged between the bearing arc frame and the limiting arc frame, a plurality of sets of supporting sleeve frames are arranged on the surface of the positioning bottom plate to be matched with the telescopic frame to support the pipeline, the limiting arc frame is matched with the bearing arc frame to support the pipeline, and the height of the pipeline can be adjusted by adjusting the height of the telescopic frame through a through hole. According to the irrigation device, the irrigation height can be adjusted and used conveniently, adaptation of different irrigation heights is achieved, adaptability during irrigation is improved, meanwhile, the situation that treading is prone to occurring when a pipeline is directly placed on the ground is prevented, the adaptability of the irrigation height is high, and irrigation adjustment and use are facilitated.

The utility model discloses a novel farmland drainage ditch, which relates to the technical field of farmland drainage and comprises a prefabricated drainage ditch component, the prefabricated drainage ditch component is of a long strip structure, a drainage ditch with a linear arc-shaped recess is arranged on the top surface of the prefabricated drainage ditch component, and a female connector is arranged on the front end surface of the prefabricated drainage ditch component. A male connecting column is arranged on the rear end face of the prefabricated drainage ditch component. A lampshade shell is mounted in the lampshade shell mounting groove, the lampshade shell is clamped in the lampshade shell clamping groove through a lampshade shell pressing foot at the bottom end of the lampshade shell, and waterproof sealant is injected into a sealant injection seam in the lampshade shell clamping groove. The drainage ditch can be effectively prevented from being treaded by people through the ditch cover plate, after the ditch cover plate covers the drainage ditch, the people can conveniently observe the condition of water flow in the drainage ditch through the ventilation observation holes formed in the surface of the ditch cover plate, and heat dissipation of the temperature of the water flow in the drainage ditch is facilitated in hot days.

The utility model relates to a kind of automatic cover plate opening and closing warning devices of fan tower platform.It includes the lifting type warning light being set in the four corner position of platform window and the multiple cover warning lights being installed on the inner side surface of platform cover plate, further include controller and platform above position sensor and platform below position sensor, each lifting type warning light, each cover warning light and position sensor are connected with controller;Lifting type warning light includes external cylinder and the internal cylinder in its inside, top cover plate with top window in middle portion is installed in the top of internal cylinder and top LED module is installed, side window is provided in the side of internal cylinder and side LED module is installed, electric push rod for driving top cover plate to lift is installed in the inside of external cylinder.The utility model produces necessary safety warning effect in the process of platform cover plate opening and closing, prompt personnel to move away from the action area of platform cover plate, improve the safety of personnel and equipment.

The utility model discloses a data center computer lab dehumidification equipment belongs to data center computer lab field, a data center computer lab dehumidification equipment, including fan, the one side of fan is installed with at least one bellows, and the one end of bellows away from fan all installs and enters the air pipe, and the one end of air inlet pipe is all closed structure, and the air inlet pipe part all presents the serpentine structure and is set up with a plurality of air inlet hole in this serpentine structure, and the upper surface of air inlet pipe serpentine structure presents all set up and treads the board, and the lower surface of tread board is along horizontal array distribution with a plurality of baffle, and the lower end of baffle all passes through the clearance of corresponding air inlet pipe serpentine structure, and the upper surface of tread board all installs and foot pad, and the edge fixed mounting of fan is communicated with the filter box of bellows one end, it can realize, and the damp air of suction computer lab ground, and use foot pad to absorb the moisture of staff foot and bring into computer lab, is favorable to improve ground dehumidification effect.