22results about How to "Prevent stray entry" patented technology

The visible nasointestinal tube comprises a stomach tube, the end, entering the human body, of the stomach tube is a far end, and the other end of the stomach tube is a near end; the inner side of the stomach tube is sleeved with an intestinal tube in a clearance mode, the near end of the stomach tube is connected with a suction connector, the near end of the intestinal tube is connected with a feeding connector, the far end of the intestinal tube extends out of the far end of the stomach tube, the intestinal tube is connected with a visual system, and the far end of the visual system is a camera shooting end which is located at the far end of the intestinal tube. The utility model has the advantages that feeding and intragastric decompression are integrated, the catheter indwelling difficulty can be reduced, and the catheter indwelling injury can be reduced.

The utility model relates to the technical field of decorative lamps, and discloses a dustproof device of a decorative lamp, which is characterized in that a storage battery is arranged on the inner side of a mounting seat, a wire clamping plate is arranged on the top surface of the mounting seat, a ventilation frame is arranged on the side surface of a fixing sleeve, compaction plates are arranged at two ends of the ventilation frame, a fixing frame is arranged on the side surface of the fixing sleeve, and a ventilation door is arranged on the front surface of the fixing frame; drying plates are arranged on the inner sides of the ventilation frames. According to the dustproof device of the decorative lamp, the lampshade is fixedly connected with the fixing sleeve through threads, when the lamp pole and the lamp bead are overhauled, a user can directly take down the lampshade to overhaul the lampshade, the situation that the stability of a bolt is affected by the fact that the user disassemble and assemble the mounting base many times is avoided, and therefore the practicability of the device is improved; and dust is prevented from falling on the top face of the mounting base, the cleaning difficulty of workers is improved, a user directly uses a sweeping brush to clean dust falling on the side edges of the fixing sleeve and the lampshade, and then the cleaning difficulty of the decorative lamp is reduced.

The utility model discloses a mechanical and electrical installation site safety protection device which comprises two installation plates, the upper surface of each installation plate is fixedly connected with a supporting vertical rod, the top end of each supporting vertical rod is provided with two clamping grooves, the inner walls of the two clamping grooves are connected with clamping columns in a clamped mode, and the clamping columns are connected with the supporting vertical rods in a clamped mode. The top end of each clamping column is fixedly connected with a supporting disc, the top end of each supporting disc is fixedly connected with an L-shaped supporting rod, the bottom ends of the two L-shaped supporting rods are jointly and fixedly connected with a protection frame, and the inner wall of the protection frame is fixedly connected with a protection net. Through the arrangement of the storage battery box, the LED illuminating lamp, the reflective label and the warning and flashing lamp, electric power can be provided for the LED illuminating lamp and the warning and flashing lamp through the storage battery box, illumination and flashing warning of the protection device are achieved, non-constructors can observe the construction warning board more effectively and conveniently, mistaken entering of the non-constructors is effectively avoided, and the safety of the construction warning board is improved. And the protection effect of the device is improved.

The application discloses a kind of coal mine electrical equipment intelligent safety locking systems, belong to electrical equipment safety monitoring technical field, it includes for creating, approving, issuing and archiving management to electrical equipment maintenance work ticket and generating work ticket data electronic work ticket management module;For real-time acquisition of the position information of underground maintenance personnel underground personnel accurate positioning system interface module;For connecting and controlling underground electrical equipment, according to control instruction to intelligent power supply unit is opened or closed intelligent power supply unit interface module and for according to work ticket data, position information carries out "people-ground-ticket" trinity authentication and generates control instruction according to authentication result AI intelligent association and decision engine.The coal mine electrical equipment intelligent safety locking system and method provided by the application can deeply integrate personnel position, operation permission, equipment status and remote authorization, fundamentally eliminate the possibility of maintenance misoperation.

The utility model provides a fence net for earth-rock engineering construction, and relates to the field of protective devices for earth-rock engineering construction, the fence net comprises two groups of supporting assemblies, each supporting assembly comprises a vertical rod, a protective net assembly is arranged between the two vertical rods, and the protective net assembly is arranged between the two vertical rods. The supporting assembly and the protective net assembly are used for isolating a construction area, a connecting assembly is arranged on the surface of the vertical rod, the connecting assembly is used for connecting the protective net assembly with the vertical rod, and a warning assembly is arranged at the top of the protective net assembly; by arranging the connecting assembly, the effect that the supporting assembly and the protective net assembly can be connected is achieved, by arranging the warning assembly and the power supply assembly, the warning effect can be achieved, pedestrians can be prevented from entering a construction area by mistake, the power supply assembly is used for providing electric energy for the warning assembly, and the safety of the pedestrians is improved. The warning assembly can give out an alarm indication, and therefore the warning effect can be achieved.

This utility model provides a multifunctional floating platform for fire and water rescue, belonging to the field of emergency rescue equipment technology. It addresses the problem that existing methods require breaking ice while approaching trapped personnel, which is cumbersome and affects rescue efficiency. The platform includes a main body, a rescue anti-slip mat, an anti-capsulation hull, a multifunctional rescue mechanism, and a rescue conversion mechanism. The rescue anti-slip mat is fixedly connected to the top of the main body. The marking drive box is fixedly connected to the upper rear end of the rescue anti-slip mat. The anti-capsulation hulls are fixedly connected to the lower left and right sides of the main body. Rescue limiting blocks are fixedly connected to the lower part of the anti-capsulation hull. The multifunctional rescue mechanism is located on the outside of the main body. The rescue conversion mechanism is located below the anti-capsulation hull, allowing for rapid assembly and eliminating the need to break ice while approaching or to navigate the ice surface before inflating the platform, thus simplifying the pre-rescue preparation process.

This invention relates to the field of medical device technology and discloses a surgical pack waste collection device, comprising a housing, within which three waste dispensing boxes are fixedly installed, arranged side-by-side in a front-to-back direction. A first waste chute and two second waste chutees are also fixedly installed on the housing. The inner cavity of the first waste chute communicates with both second waste chutees, and the first waste chute communicates with the middle waste dispensing box. The two second waste chutes communicate with the other two waste dispensing boxes respectively. Two valve mechanisms and a stiffness detection mechanism are provided within the first waste chute. This surgical pack waste collection device, within the waste collection box, utilizes the gradient stiffness detection mechanism to trigger different sliding rods based on the stiffness differences of the waste itself, thereby controlling the valve mechanisms located at the connections of different chutees, achieving automatic waste sorting and collection.

The utility model is suitable for the field of medical instruments, and provides a multi-channel hemostasis valve which comprises a main pipe, a liquid path channel pipe, an instrument main channel pipe and at least one instrument branch channel pipe. A pipe body at the other end of the main pipe is communicated with the liquid path channel pipe, the instrument main channel pipe and the instrument branch channel pipe, sealing valves are arranged at the ends of the instrument main channel pipe and the instrument branch channel pipe respectively, and the liquid path channel pipe is communicated with an external liquid path. The instrument branch channel pipe is arranged between the liquid path channel pipe and the instrument main channel pipe. The instrument sub-channel tubes are arranged on the same side of the liquid channel tube, so that instruments in the instrument sub-channel tubes can be effectively prevented from entering the liquid channel tube by mistake during delivery, the instruments in the instrument sub-channel tubes can quickly and accurately enter the main tube, and delivery efficiency is improved.

The utility model discloses a mining car stopping device, which belongs to the technical field of coal mine safety and comprises a base, a bearing frame is fixedly connected to the bottom of the base, a rotating shaft is rotatably connected to the inner surface of the base, a collision baffle is movably sleeved on the outer surface of the rotating shaft, and a hydraulic cylinder is slidably connected to the inner surface of the bearing frame. A positioning plate is fixedly connected to the outer surface of the base, and a damper is installed on the side, close to the base, of the positioning plate. According to the mining grade car stopping device, the hydraulic air cylinder is started to drive the collision head baffle to rotate and be in lap joint with the rail, then a mine car is stopped through the combined action of the damper and the collision head baffle, and the mine car is prevented from entering a parking lot or a section by mistake as much as possible; the miniature air pump receives signals and releases airflow to the mine car through the air inlet pipe and the exhaust pipe, the airflow can reduce the speed of the mine car in advance, and the mine car with the too high speed is prevented from impacting and damaging parts such as the collision head baffle as much as possible.

This utility model relates to the field of integrated node cabinet technology, and more particularly to a lower door structure for an integrated node cabinet, comprising: an inner door body, fixed to the window of the power supply compartment of the integrated node cabinet, with a power supply port on the inner door body for easy power access; a hanging part, for hanging the inner door body on the inside of the window of the power supply compartment, the hanging part being disposed on both sides of the inner door body; a limiting part, for limiting and fixing the inner door body to the power supply compartment, the limiting part being disposed at the lower part of the inner door body; an interlocking part, for cooperating with the lower door interlocking rod of the integrated node cabinet for locking, the interlocking part being disposed at the upper part of the inner side of the inner door body; and an outer door body, detachably disposed on the outside of the inner door body. By setting a lower door structure consisting of an inner door body and an outer door body in the window of the power supply compartment of the integrated node cabinet, and fixing the inner door body and the outer door body in a detachable manner, this utility model achieves five-proof interlocking during rapid power access through the inner door body and the outer door body, which can be used alone or in combination, thus improving the safety of power access operation.

The utility model discloses a high-speed wire packing machine with safety measures, which comprises personal safety measures, and the personal safety measures comprise a safety fence and two sections of safety optical gratings. A safety fence is arranged on the periphery of the whole packing machine, a section of safety grating is arranged at each of an inlet and an outlet where the C-shaped hook drives the coil to enter and exit the packing machine, and the safety fence and the safety gratings are matched to form a closed space. According to the high-speed wire packaging machine, personal safety measures are arranged around the high-speed wire packaging machine, so that personnel are prevented from entering the high-speed wire packaging machine by mistake while the C-shaped hook drives a coil to enter and exit from the high-speed wire packaging machine, and safety accidents are avoided. Meanwhile, by setting equipment safety measures, when the C-shaped hook deviates from the center, packaging operation is not carried out, and if the C-shaped hook inclines up, down, front and back in the packaging process, the packaging procedure is paused, and an alarm is given to inform manual processing.

The utility model discloses a prevent electric shock plug connector and an electric connection assembly, male terminal, its plug end is equipped with axial installation cavity, the inner wall of installation cavity is equipped with threaded hole and clamping groove in proper order and is kept apart, prevent electric shock cap, including the plugging section, the connecting section and the clamping section in proper order, the connecting section is at least partial screw rod, the clamping section end is equipped with clamping structure, the screw rod is with threaded hole screw joint, clamping structure is with clamping groove clamping, forms double locking, the utility model discloses prevent electric shock cap adopt the mode of clamping and screw joint and prevent electric shock cap is fixed in male terminal, prevent electric shock cap double -fixed to prevent electric shock cap from falling off in installation cavity.

The utility model belongs to the field of building construction, and particularly relates to a safety warning device which comprises a placing seat, a limiting ring is fixedly connected to the top of the placing seat, a sliding groove is formed in the top of the placing seat, a warning structure is arranged on the sliding groove, and the warning structure comprises an output motor. An output motor is fixedly connected to the lower portion of the containing base, a connecting rod is fixedly connected to the output end of the output motor, and a containing block is fixedly connected to the side, away from the output motor, of the connecting rod. According to the safety warning device, an output motor is started to drive a connecting rod to rotate, a placing block moves on the inner wall of a sliding groove, then a warning board on a clamping base is driven to move, through the moving warning board, the striking effect of the device is improved, pedestrians are prevented from entering a construction area by mistake, the warning board is flatly placed at the top of the placing base, and the safety of the construction is improved. And the warning board is clamped by the movable block and the fixed stop block, so that the storage work of the warning board is completed.

The present application provides a control method for lifting a barrier, an electronic device and a storage medium, and relates to the field of traffic automation technology. The method includes: when receiving an inspection instruction, determining a vehicle to be inspected from a target channel according to the inspection instruction; determining a first channel where the vehicle to be inspected is located, and determining the orientation of the entrance of the inspection site according to the first channel, wherein the target channel includes the first channel; selecting a second channel from the target channel according to the first channel and the orientation, and determining the delay time of the first barrier of the second channel using a preset formula, wherein the target channel includes the second channel, the second channel is located on a side of the first channel close to the entrance, the second channel is arranged in parallel with the first channel, and the target barrier includes the first barrier; controlling the first barrier to perform a lifting operation according to the delay time. The technical problem of low efficiency of vehicle inspection at port border defense in the related technology is solved, and the efficiency of vehicle inspection at port border defense is improved.

The invention discloses an intelligent safety locking system for coal mine electrical equipment, and belongs to the technical field of electrical equipment safety monitoring, and the system comprises an electronic work ticket management module which is used for carrying out the creation, examination and approval, signing and issuing and filing management of an electrical equipment maintenance work ticket, and generating work ticket data; the underground personnel accurate positioning system interface module is used for acquiring position information of underground maintenance personnel in real time; the intelligent power supply unit interface module is used for connecting and controlling underground electrical equipment and opening or closing the intelligent power supply unit according to the control instruction; and the AI intelligent association and decision engine is used for carrying out people-ground-ticket three-in-one authentication according to the work ticket data and the position information and generating the control instruction according to the authentication result. According to the intelligent safety locking system and method for the coal mine electrical equipment, the personnel position, the operation permission, the equipment state and the remote authorization can be deeply fused, and the possibility of overhaul misoperation is fundamentally eradicated.

The utility model relates to a centrally installed switchgear capable of being installed reliable to a wall, which comprises a front switchgear body and a rear switchgear body, the front switchgear body and the rear switchgear body are adjacently arranged, and the front switchgear body is provided with a switchgear door capable of being opened and closed; the front cabinet body sequentially comprises an instrument chamber, a circuit breaker chamber and a cable chamber from top to bottom; a middle support extending longitudinally is arranged between the front cabinet body and the rear cabinet body, and a detachably connected contact mounting plate is arranged at the position, corresponding to the height of the circuit breaker chamber, of the middle support. The front cabinet body comprises a first base, and the first base is provided with a wire outlet hole. The utility model has the advantages of compact structure, volume saving and reliable wall installation, all components can be maintained and replaced in front of the cabinet, the maintenance space behind the cabinet is saved, and the installation space is saved.

The application discloses a power special safety isolation fence for preventing mistaken entry into a live area, relates to the technical field of power protection isolation and smart grid, and is characterized in that a plurality of middle convex counter clamping plates are equidistantly arranged between two fixed support frames, a plurality of middle convex joint plates are equidistantly arranged between the two fixed support frames, a developing torsion spring is welded at the middle of one end of the plurality of middle convex counter clamping plates and the plurality of middle convex joint plates, joint torsion springs are welded at both sides of the one end of the plurality of middle convex counter clamping plates and the plurality of middle convex joint plates, and a multi-hole middle limiting plate is clamped at one end of the developing torsion spring. The fence is adjusted by itself, and a warning linkage is cooperated with an outward expansion component, so that the distance of protection is expanded without increasing the number of fences, the actual protection cost is reduced, a person who breaks in is warned by cooperating with a contact alarm component and an environment exploration component, and a background staff member is fed back in time, so that the mistaken entry into a live environment is avoided, and the actual isolation protection effect is improved.

This utility model provides a safety monitoring device for power workers, including a helmet, a strap, a mounting bracket, a camera, a control box, a storage rack, a detection wristband, a brim, a first displacement sensor, a first electric field sensor, and a buzzer. The helmet has a strap fixed to its lower end, and the camera is fixed to its upper end via the mounting bracket. The control box is fixed inside the storage rack, and two detection wristbands are placed inside the storage rack. The helmet has a brim integrally formed on its front side, with the first displacement sensor and the first electric field sensor fixed to its upper side. Buzzers are fixed to both sides of the helmet. This utility model, through the cooperation of the mounting bracket and the camera, can record the worker's operations. Furthermore, the mounting bracket allows adjustment of the camera's shooting angle or removal of the camera independently. The detection wristband and the first electric field sensor can detect the electric field force on the worker's hands and head.

The present invention aims to take measures to prevent the human body from entering the space between the harvesting section and the driving section. The harvester of the present invention has a harvesting section (3) that harvests crops in a farmland, a carrying section (4) that carries the harvested crops toward the rear of the machine body, a threshing device that performs a threshing process on the harvested crops carried by the carrying section (4), and a driving section (6) that is provided at the rear of the harvesting section (3). A protruding section (20) provided between the harvesting section (3) and the position of the machine body outside the driving section (6) has an upper section (21) that extends cantilevered from the driving section (6) toward the harvesting section (3), and a lower section (22) that extends cantilevered from a position lower than the mounting position of the upper section (21) in the driving section (6) toward the harvesting section (3), and the upper section (21) and the lower section (22) are separated in the vertical direction as they move away from the driving section (6).

The application discloses a multi-stage cylinder screening device capable of switching output particle size intervals, and relates to the technical field of material screening equipment. The multi-stage cylinder screening device comprises a plurality of layers of coaxially sleeved screening cylinders and a flow channel switching mechanism arranged at the discharging end of the screening cylinder in the middle layer. The flow channel switching mechanism comprises a reverse guide cylinder fixedly connected with the innermost screening cylinder and a flow channel switching cylinder axially movable and located on the inner side of the reverse guide cylinder. When the flow channel switching cylinder is in an independent discharging position, the inner ring edge prevents the middle layer material from entering the reverse guide channel; when the flow channel switching cylinder is in a mixed discharging position, the middle layer material is guided into the adjacent screening cylinder on the outer side through the reverse guide channel and is mixed with the retained material of the adjacent screening cylinder for output. The multi-stage cylinder screening device capable of switching output particle size intervals can be switched between independent output in a fine particle size interval and mixed output in adjacent particle size intervals, thereby meeting various requirements.

The utility model relates to the technical field of phase change heat storage material processing equipment, in particular to a casting machine for a phase change heat storage material. According to the technical scheme, the casting machine comprises a bottom frame and a casting machine body which is arranged on the bottom frame and used for overturning during operation, and further comprises an isolation mechanism which is installed on the bottom frame and automatically surrounds the area occupied after the casting machine body is overturned after being opened; and the pulling mechanism is arranged on the bottom frame and is used for manually opening or closing the isolation mechanism. By means of cooperation of the casting machine body, the bottom frame, the isolation mechanism, the pulling mechanism and other structures, workers can be effectively prevented from mistakenly entering the overturning area of the casting machine, and the accident risk caused by the fact that the workers make contact with moving parts is reduced. Therefore, the safety level of a working place can be improved, and industrial accidents can be reduced. And meanwhile, external objects can be prevented from entering an overturning area of the casting machine, damage caused by collision is avoided, and the integrity of equipment and workpieces is ensured.

The invention relates to the technical field of towel heating machines, and discloses a public place shared towel heating machine which comprises a machine body, a cutting mechanism is installed in the machine body and used for cutting towels, and an opening and closing mechanism is arranged on the front side of the cutting mechanism and used for transporting the towels. A collecting box is fixedly connected to the right side of the machine body, a collecting mechanism is installed on the inner side of the collecting box and used for collecting waste towels, and the cutting mechanism comprises a first motor. An L-shaped plate is driven to move through a rotating block, a sliding rod and a first spring, the L-shaped plate drives a connecting round rod, a sliding square block slides along a limiting rod in a reciprocating mode, the first spring is compressed when rotating to be close to the limiting rod and rebounds rapidly when leaving away, and therefore movement of the connecting round rod is accelerated, and a V-shaped blade fixed to the sliding square block can rapidly cut towels; and the effect of cutting towels with different sizes is achieved.