60results about How to "Guarantee security protection" patented technology

The invention discloses an impact-resistant energy absorption device of an axial corrugated honeycomb sandwich plate. The impact-resistant energy absorption device comprises an upper layer corrugatedsandwich plate body, a middle axial corrugated honeycomb sandwich layer and a lower corrugated sandwich plate body, wherein the axial corrugated honeycomb sandwich layer consists of an axial corrugated plate and a triangular tube to from a hexagonal composite structure, the upper layer corrugated sandwich plate body and the lower layer corrugated sandwich plate body each are composed of an upper layer flat plate, a sinusoidal corrugated plate and a lower layer flat plate, and the upper layer corrugated sandwich plate body and the lower layer corrugated sandwich plater body are orthogonally distributed in the surfaces so as to enhance transverse and longitudinal energy absorption characteristics. According to the impact-resistant energy absorption device of the axial corrugated honeycomb sandwich plate, the problem that a traditional hexagonal honeycomb structure is relatively large in initial peak load when being subjected to impact load action is solved, the severe initial damage to aprotected structure is avoided, moreover, the stable progressive buckling mode of each cellular element wall surface of a honeycomb is achieved, the platform force of a structure and the specific energy absorption of when the structure is collapsed are increased, the impact energy is more easily converted into the plastic deformation energy of the structure, and then the energy absorption capacity of the honeycomb structure is improved.

The invention relates to a multifunctional pit protective cover plate which belongs to the field of safe production. The multifunctional pit protective cover plate respectively comprises a cover platebody, a safe guard body, a hinge (4), a locking pin (9), a rotating pin shaft (6), a fixed press sleeve (7), and the like. The multifunctional pit protective cover plate has functions of protection and warning during pit operation and has the function of coverage during non-operation. Compared with a general cover plate, the invention has the characteristics of light weight, high strength and safety, resolvability, convenient use, compact structure, and the like and prevents the potential safety hazard of pit drop fundamentally.

The invention discloses an anti-terrorist road block. The anti-terrorist road block comprises a supporting frame buried underground. A first lifting mechanism and a second lifting mechanism are arranged in the supporting frame. A cover plate flush with the road surface is arranged at the top of the supporting frame and is hollow. Channels I for lifting the first lifting mechanism are reserved in the cover plate. The second lifting mechanism is arranged in a lifting box of the first lifting mechanism. A barrier net is arranged on a lifting shaft of the second lifting mechanism. Channels II for lifting the barrier net are reserved in the surface of the lifting box. According to the anti-terrorist road block, the simple protecting form in the prior art is changed, double guarantees are achieved by arranging the first lifting mechanism and the second lifting mechanism, protecting abilities of important departments such as important military places, oil depots, ammunition depots and frontier inspection stations are effectively improved, and effective guarantees are provided for safety protection of the important departments and life safety of guard soldiers.

The invention provides an amphibious unmanned aerial vehicle with a balance weight posture adjusting mechanism. The unmanned aerial vehicle comprises a rack, an unmanned aerial vehicle body and spiralimpellers, the unmanned aerial vehicle body is arranged in the center of the rack, the spiral impellers are connected with the top end of the rack in a rotating mode, the spiral impellers are distributed on the periphery of the unmanned aerial vehicle body, and the spiral impellers are electrically connected with the unmanned aerial vehicle body. The amphibious unmanned aerial vehicle comprises the balance weight posture adjusting mechanism and a landing protection mechanism, the balance weight posture adjusting mechanism is located below the unmanned aerial vehicle body, one end of the landing protection mechanism is connected with the rack, and the other end of the landing protection mechanism is connected with the balance weight posture adjusting mechanism. The balance weight posture adjusting mechanism, the landing protection mechanism and the unmanned aerial vehicle body are electrically connected. According to the amphibious unmanned aerial vehicle with the balance weight posture adjusting mechanism, the flight posture of the unmanned aerial vehicle can be adjusted through the balance weight effect, and it is guaranteed that the amphibious unmanned aerial vehicle stably operates according to a set route; besides, no matter whether the landing place is the water surface or the land, the surrounding environment can be recognized in real time, and the purpose of stable landing is achieved.

A field operation safety control system for an intelligent power distribution network is characterized by comprising an intelligent audio video safety helmet, a wearable intelligent audio video recorder, a communication retransmission device, servers, a storage device, client terminal control software and app. According to the invention, a distributive structural design is adopted; the basic setting service supports a separation design mode and can be fused into a prior industry system conveniently. Access service realizes unified signaling and routing and supports dynamic network access of a mobile device. The access service can adjust a flow media server according to routing hop counts and load conditions of each servers of the system. The system is applicable of construction operation fields of industries such as public security, customs, fire control, traffic, power supply, mine coal, oil field, construction field and the like and is especially suitable for special occasions of safety technology. When using, a user only needs to stir a switch; normal work is started when an indication lamp turns red.

The invention discloses a housing of a cylindrical lithium ion battery pack. The housing comprises a lower cover (3), wherein the cylindrical lithium ion battery pack (4) is arranged at the top of the lower cover (3) and covered by a hollow upper housing (1); the bottom of the upper housing (1) is open; the upper housing (1) and the lower cover (3) are fastened; a plurality of connecting bumps (31) are arranged at intervals on the peripheral edge of the top of the lower cover (3); a threaded hole (32) is formed in the outer side surface of each connecting bump (31); a plurality of screw through holes (11) are formed in the positions, corresponding to the threaded holes (32), of the upper housing (1); a countersunk screw (2) is arranged in each screw through hole (11) in a penetration manner; and the countersunk screws (2) are in threaded connection with the threaded holes (32). According to the housing, a gap formed when cylindrical batteries are combined can be fully utilized, the volume of the assembly structure of the screws is reduced, and the volume space of the battery pack is saved.

The invention provides an intelligent vehicle-mounted fumigation operation system, and relates to a fumigation operation system. The intelligent vehicle-mounted fumigation operation system comprises apickup truck body, a trunk, a power unit, a metering operation unit, a purging unit, a monitoring unit, a control unit and a control center. The power unit, the metering operation unit, the purging unit, the monitoring unit and the control unit are all arranged in the trunk to form an integrated structure; the trunk is internally provided with a medicine bottle storage area and a portable tool box, the top of the trunk is provided with a foldable handrail, the foldable handrail is supported during fumigation operation, the foldable handrail can used as a fumigation operation handrail, the tail end of the trunk is provided with a medicine bottle fixing fence blocking cross rod, which can be used for preventing medicine bottles from being ejected from the the medicine bottle storage area when a vehicle runs bumps.

The invention discloses an efficient detection method for massive malicious codes, can realize efficient detection of massive malicious codes. According to assembler samples, malicious code detectionis conducted, the method adopts multi-core computing resources to execute steps of sample identification of assembler in parallel, the steps of sample identification of the assembler are as follows: assembler slices are extracted, the assembler slice is a statement or an expression that affects a specified variable in a assembler sample. Based on the preset assembler slice types, the number of occurrences of each type of assembler slice extracted from the assembler sample is counted, and is taken as a feature vector of the assembler sample. According to the feature vectors of the assembler samples, a classifier is obtained by pre-training, the malicious codes are identified by adopting the classifier.

The invention provides an intelligent climbing frame system for a construction site. The intelligent climbing frame system comprises a climbing frame upper crossbeam, a first column, a second column,a climbing frame lower crossbeam, a foot seat, a climbing mobile platform, a protective fence, a handrail, a fixing bolt and a limit switch. According to the intelligent climbing frame system, arrangement of position switches, rope lifting frames, connecting rods, movable casing pipes, movable nuts, lifting screws and lifting decelerating motors is advantageous to intelligent lifting climbing work, the lifting screws are driven to rotate by the lifting decelerating motors on the left and right sides, and at the moment, the movable nuts move up, and work on outer walls of the first column and the second column by moving up through the movable casing pipes; at the moment, the connecting rods drive the rope lifting frames to move, and a construction personnel can stand on the top of the climbing mobile platform to carry out intelligent climbing work; and through the position switches, the intelligent climbing frame system can play a role of limit protection when descending, and the automatic intelligent climbing and lifting function is achieved.

An oil-immersed transformer for a wind turbine system comprises an oil tank, a transformer body, a high-voltage chamber, a low-voltage chamber and a radiator. The oil tank is used for accommodating transformer oil, is arranged on the transformer body and comprises a high-voltage side face plate and a low-voltage side face plate. A high-voltage sleeve is arranged on the high-voltage side face plate, the high-voltage sleeve is connected with a high-voltage coil lead of the transformer body, and the high-voltage sleeve extends into a high-voltage chamber which is assembled and connected to the high-voltage side face plate. A low-voltage sleeve is arranged on the low-voltage side face plate, the low-voltage sleeve is connected with a low-voltage coil lead on the transformer body, and the low-voltage sleeve extends into a low-voltage chamber which is assembled and connected to the low-voltage side face plate. The radiator is assembled on at least one part of face plate of the oil tank except the high-voltage side face plate and the low-voltage side face plate. The included angle between the high-voltage side face plate and the low-voltage side face plate of the oil tank is an acute angle. The transformer body is of a double-winding or three-winding self-coupled three-dimensional roll iron core structure. The oil-immersed transformer for the wind turbine system is small in size and large in capacity, can effectively provide excitation and control required voltage for the wind turbine system and remarkably reduces transformer non-load loss and manufacturing cost.

The invention discloses a safety net cage for high-altitude operation in mechanical and electrical installation. The safety net cage comprises an elevator slot, elevating rings, a square steel frame, round cage rings, round cage columns, gate posts, a mesh cover, arc rings, clamping sleeve rings, a protective screen and a bottom plate, wherein the elevator slot is formed in the bottom plate; the square steel frame is formed by welding four pieces of square steel and top square steel shaped like a Chinese character 'tian'; the elevating rings are arranged at the top part of the square steel frame; the round cage rings and a plurality of round cage columns are arranged above the bottom plate and below the square steel shaped like the Chinese character 'tian' in an embedding manner; quick-plug gate posts are arranged in the round cage columns; multiple segments of arc rings are arranged on the round cage columns respectively; multiple clamping sleeve rings are arranged on the arc rings respectively; the mesh cover is arranged between the arc rings and the bottom plate; and a protective screen is arranged on the top round cage ring. By adopting a cage body formed by the square frame and the round cage columns, protection is carried out through the mesh cover and the protective screen; anchoring of the net cage is facilitated through the square frame and a round inner fence; construction operation is facilitated; the safety is good; the operation is stable; and the construction installation efficiency is high.

The invention discloses a building wall construction mechanism. The building wall construction mechanism comprises a supporting column, a workbench and a protective fence, wherein the lower end of the supporting column is fixedly connected with a stabilizing block, the middle of a threaded rod is connected with a movable block in a penetrating mode, a limiting groove is formed in the middle of the supporting column, a servo motor is installed at the lower right end of a supporting frame, the workbench is arranged on the upper side of the supporting column, the lower end of the workbench is fixedly connected with a fixing rod, the left end and the right end of the workbench are fixedly connected with handles, and the edge of the upper end of the workbench is fixedly connected with the protective fence. According to the building wall construction mechanism, the height of the workbench can be conveniently adjusted according to the construction requirements of an actual wall, the practicability of the construction structure is improved, the stability of the construction structure is high, construction materials can be conveniently and automatically conveyed, manual lifting is avoided, the labor intensity is reduced, meanwhile, safety protection can be conveniently carried out on workers, and the safety of the workers is guaranteed.

The invention discloses an agricultural Internet of Things sensor communication device based on a wireless network. The device comprises a first protection supporting block, a second protection supporting block, a wireless transmitter, and a wireless data receiver, and the bottoms of the protection supporting block and the second protection supporting block are fixedly connected with root system conical blocks. Data receiving and storing mechanisms are evenly and fixedly connected with the outer surfaces of the protection supporting block and the second protection supporting block at equal intervals, top pressing plates are rotationally connected with the inner side of the top of the protection supporting block and the inner side of the top of the second protection supporting block, arc-shaped limiting grooves are formed in the inner sides of the top pressing plates, and touch pressure sensors are fixedly connected with the top surfaces of the mounting supporting plates. The inventionrelates to the technical field of Internet of Things. According to the agricultural Internet of Things sensor communication device based on the wireless network, when theft occurs, the touch pressuresensor transmits pressure loss data to the wireless data receiver, the anti-theft capacity of sensor equipment is achieved, and it is guaranteed that irrigation of the roots of plants has good permeability after sensor coverage.

The invention provides a secure interaction method and device based on information transmission. The secure interaction method comprises the steps: obtaining a transmission ciphertext from a transmitting end after a receiving end completes the bidirectional identity authentication with the transmitting end; determining the position of a secondary confusion character in the transmission ciphertextbased on the number of the transmission ciphertext characters after the first character and the last character are deleted; decrypting the transmission ciphertext with the first character, the last character and the secondary confusion character deleted to obtain a primary decrypted ciphertext; determining the position of a primary confusion character in the primary decryption ciphertext based onthe character length of the primary decryption ciphertext; and obtaining an original text before encryption of the sending end based on the position of the primary confusion character. According to the scheme, the defect that the confidentiality and integrity of information transmission cannot be guaranteed is overcome, and the safety protection level of longitudinal communication between encryption and decryption terminals is improved, and meanwhile, the potential safety hazard of attacks is solved.

The invention relates to the technical field of communication towers, in particular to a communication tower with an anti-falling device, which comprises a communication tower body and a controller arranged on the communication tower body, and further comprises a winding module arranged on the communication tower body, and a safety rope is wound in the winding module. The winding module can control the winding work of the safety rope; the anti-falling hook is detachably mounted on the communication tower body and connected with the safety rope; the memory modules are uniformly arranged on the communication tower body and used for monitoring the position of a maintainer, and the memory modules are electrically connected with the winding module; on the premise that the safety protection effect is guaranteed, electric energy is saved, continuous work of the stepping motor is avoided, compared with a traditional communication tower, the safety protection coefficient of the device is high, and the life safety of a maintainer during high-altitude operation can be effectively guaranteed.

The invention relates to the technical fields of data communication and password application, in particular to a data security interaction method and device based on an Ethernet switch. Specific to the problems in the prior art, the invention designs a secure and efficient key system consisting of equipment keys, file keys and protocol keys, provides a method for switch mirror protection, switch file protection and protocol data protection, and aims to eliminate potential safety hazards of the Ethernet switch. Encryption processing is performed in the processes of mirror startup, file configuration and data transmission through cooperation of a switch and the Ethernet switch in order to judge whether operations are valid or not, thereby fulfilling the aims of the invention.

The invention discloses a fire safety anti-theft guardrail comprising a fixed guardrail and a movable guardrail. The fixed guardrail is provided with a safety exit, the upper end of the movable guardrail is hinged, and the lower end is detachably connected with the lower edge of the safety exit through a safety lock. The safety lock includes a fixed lock portion and a movable lock portion. The fixed lock portion includes a fixed seat, a fixed lock groove, an air bag and a lock lever. The movable lock portion includes a movable lock groove, a pricking pin, an elastic support member, a baffle and a latch hook. One side of the movable lock groove facing the indoor space is provided with a lock cavity capable of accommodating the fixed lock groove, and the tip of the pricking pin is disposed at the bottom of the lock cavity toward a lock cavity opening. When the elastic support member is not compressed or shortened, the tip of the pricking pin is hidden in a puncture hole of the baffle. One end of the latch hook is hinged to the lower portion of the movable lock groove, and the other end of the latch hook is bent upward to form a hook that can be hooked to the lock lever. The fire safety anti-theft guardrail can not only play an effective safety protection role, but also does not affect fire safety, thereby being safe and practical.

The invention discloses a medical dialysis sickbed with a nephropathy hemodialysis function, and relates to the technical field of medical instruments. Comprising a bed body, supporting seats are arranged at the two ends of the bottom of the bed body, a bottom plate is welded to the bottoms of the supporting seats, a mounting frame is welded to the surfaces of the supporting seats, two electric cylinders are mounted on the surface of the mounting frame, the output ends of the two electric cylinders are connected with the bottom of the bed body, and a protective shell is mounted on the surfaces of the electric cylinders; an assembling frame is welded to one side of the surface of the bed body, an adjusting mechanism is installed on the surface of the assembling frame, a fixing vertical rod is connected to the surface of the adjusting mechanism in a bolting mode, a fixing shell is installed at the bottom of the fixing vertical rod, a temperature control pad is installed on the surface of the bed body, and a massage mechanism is installed at one end of the bed body. A dialyzer body is arranged on one side of the bed body; the arm fixing device has the advantages that the arm of a patient can be fixed, a large number of wire harnesses can be wound, and the comfort of the patient is improved.

The invention belongs to the technical field of electric shock protection, and particularly relates to an upper-layer electric shock prevention method for lines erected on the same tower. The upper-layer anti-electric shock device comprises a fixing hoop or a fixing strap, the bottom end of a supporting rod is fixed to the fixing hoop or the fixing strap, and the top end of the supporting rod extends upwards and is fixedly connected with a supporting face. The supporting face is in a horizontal protection face shape, and the inner end, relatively close to the electric pole, of the supporting face forms a fixed end relative to the supporting rod. When the anti-electric shock device is used, the fixing hoop or the fixing strap of the upper anti-electric shock device is firstly fixed on an electric pole body, and then the supporting rod is stretched to a position 0.7 m away from an upper line, so that a safety distance 0.7 m exists between a supporting surface and the upper line. According to the invention, the dynamic operation condition of the maintenance operation of the power system can be conveniently satisfied without carrying out power failure operation on the upper-layer lineof the same-pole erected line, and the safety of the maintenance operation of the power system can also be effectively ensured.

The invention provides a network security configuration method and device, and a storage medium. The method comprises the following steps: determining a target object of a to-be-configured network security policy according to related information of a target service application system; determining a target network security policy corresponding to the target object according to the attribute information of the target object; selecting at least one target connection mode from a plurality of alternative connection modes according to the attribute information of the target object; and sending an operation instruction to the target object through the target connection mode, so that the target object sets the network security policy as the target security policy according to the operation instruction. According to the embodiment of the invention, the target object of the to-be-configured network security policy and the corresponding target network security policy can be automatically determined, and the operation instruction is issued through a proper connection mode, so the configuration of the target security policy of the target object is completed; the conditions of incomplete manual analysis, analysis errors, manual configuration strategy errors, configuration omission and the like are avoided, and the safety protection capability of the target service application system is ensured.

The invention discloses a safety net cage for high-altitude operation in mechanical and electrical installation. The safety net cage comprises an elevator slot, elevating rings, a square steel frame, round cage rings, round cage columns, gate posts, a mesh cover, arc rings, clamping sleeve rings, a protective screen and a bottom plate, wherein the elevator slot is formed in the bottom plate; the square steel frame is formed by welding four pieces of square steel and top square steel shaped like a Chinese character 'tian'; the elevating rings are arranged at the top part of the square steel frame; the round cage rings and a plurality of round cage columns are arranged above the bottom plate and below the square steel shaped like the Chinese character 'tian' in an embedding manner; quick-plug gate posts are arranged in the round cage columns; multiple segments of arc rings are arranged on the round cage columns respectively; multiple clamping sleeve rings are arranged on the arc rings respectively; the mesh cover is arranged between the arc rings and the bottom plate; and a protective screen is arranged on the top round cage ring. By adopting a cage body formed by the square frame and the round cage columns, protection is carried out through the mesh cover and the protective screen; anchoring of the net cage is facilitated through the square frame and a round inner fence; construction operation is facilitated; the safety is good; the operation is stable; and the construction installation efficiency is high.

The invention provides a lightning early warning method. The method comprises the following steps: detecting atmospheric electric field parameters of a target space; judging whether the atmospheric electric field parameter reaches an electric field early warning condition or not; if the electric field early warning condition is not met, returning to the step to detect the atmospheric electric field parameters of the target space; if the electric field early warning condition is met, starting a radar to scan cloud layer parameters of a cloud layer; acquiring a cloud layer hazard degree coefficient based on the cloud layer parameters; judging whether the cloud layer hazard degree coefficient reaches a cloud layer parameter early warning condition or not; if the cloud layer parameter early warning condition is met, pushing an early warning signal; and if the cloud layer parameter early warning condition is not met, returning to the step to detect the atmospheric electric field parameter of the target space. According to the lightning early warning method provided by the invention, atmospheric electric field detection is carried out firstly, and then cloud layer parameters are detected by a radar under the condition that atmospheric electric field detection meets preset conditions. Whether lightning early warning needs to be carried out or not is more accurately judged through the comprehensive detection result, and meanwhile the detection efficiency is improved.

The invention belongs to the technical field of computers, particularly provides a security risk monitoring method and system, computer equipment and a storage medium, and aims to solve the problem that a risk monitoring item is single and cannot be solved in a closed loop mode. In order to achieve the purpose, the method comprises the steps: performing data collection on various risk sources endangering data security; analyzing the collected data according to a risk identification rule, and identifying potential risks; and giving an alarm for the identified potential risk, and automatically connecting a problem processing system to create a work order, so that tracking and monitoring of the problem are realized. By applying the method, the problem that various existing safety monitoring tools are single in monitoring item is solved, various found risk events are subjected to closed-loop tracking management, the timeliness of event handling is improved, and the overall safety protection level is greatly improved.

The invention belongs to the technical field of electric shock protection, and particularly relates to an upper-layer electric shock prevention device for erecting lines on the same tower. The devicecomprises a fixing hoop or a fixing strap detachably fixed to an electric pole body, the bottom end of a supporting rod is fixed to the fixing hoop or the fixing strap, and the top end of the supporting rod extends upwards and is fixedly connected with a supporting face; the supporting face is in a horizontal protection face shape, and the inner end, relatively close to the electric pole, of the supporting face forms a fixed end relative to the supporting rod. According to the invention, dynamic operation conditions of the maintenance operation of a power system can be satisfied without performing power failure operation on an upper-layer line of a same-pole erected line, and the safety of the maintenance operation of the power system can also be effectively ensured.

The invention provides a waterproof cable which includes conductors, insulating layers, a waterproof layer and a protective layer, which are arranged from the center to the outside sequentially. The insulating layers wrap the conductors and are polyvinyl chloride insulating layers. The waterproof layer wraps the insulating layers and is a polyethylene waterproof layer. The protective sleeve layer wraps the waterproof layer and is a polyvinyl chloride protective layer. The waterproof cable is reasonable in structural design and greatly improved in safe protection performance; and a longer period of normal time of the cable can be ensured and the structural stability of the conductors in the cable can be improved so as to prevent the cable from being affected by an external force and deformed in a use process and thus the normal service life of the cable is prolonged.

The invention discloses a protective garment for electric power and belongs to the technical field of electric power protection. The protective garment comprises a protective garment body and insulating gloves; cuffs of the protective garment body are detachably connected with the insulating gloves through hook-and-loop fasteners; an insulating zipper which penetrates the protective garment body in a vertical direction is arranged on the rear side of the protective garment body; and insulating isolation blocks are distributed on the inner side of the protective garment body. Through the insulating zipper penetrating the the protective garment body in the vertical direction at the rear side of the protective garment body, quick wearing can be achieved; the insulating gloves and the protective garment body are detachably connected through the hook-and-loop fasteners, the insulating gloves can be quickly replaced, the problem of overall elimination of the protective garment is avoided, and the cost is saved; and isolation, insulation, protection and buffering are carried out in the protective garment body through the insulation isolation blocks, so that the electric shock danger and collision damage to operators can be effectively eradicated.