48 results about "Fire escape" patented technology

The invention relates to the technical field of fire-fighting emergency rescue, and discloses a fire-fighting emergency escape ladder which comprises a U-shaped shell. Mounting seats which are symmetrically arranged are fixedly mounted on one side of the U-shaped shell; the U-shaped cover can be mounted at the opening of the U-shaped shell in a sliding manner through a sliding rail and is used for blocking the opening of the U-shaped shell; according to the fire-fighting emergency escape ladder, the defects of an existing rope type escape ladder are overcome in a targeted mode, orderly unfolding of the ladder body is achieved through sequential control, winding and clamping of a rope and a foot bar are eradicated, it is guaranteed that the escape ladder effectively and automatically completes opening of a box cover and releasing of the ladder body, manual operation is not needed, the ladder is ready within several seconds, the escape time is greatly saved, and the fire-fighting emergency escape ladder is safe and reliable. Alarm, illumination and independent power supply are integrated, the limitation of single function is broken through, and the intelligent fire-fighting and emergency self-rescue requirements are met.

This utility model provides a portable fire escape pliers, relating to the field of fire safety equipment technology. It includes a storage box with a top cover, a buckle on the front, a placement plate on the inside, a fixing groove on the placement plate, a fixing post on the inner bottom of the fixing groove, and a spring-loaded retaining plate on the inner side of the fixing groove. The escape pliers are placed in the fixing groove. The pliers include a handle, a fixing knob on one side of the handle, a connecting wire at one end of the handle, an air pump compartment on the front of the handle, a connecting post on one side of the air pump compartment, a mounting post at one end of the connecting post, a cutting pliers at one end of the mounting post, and an air inlet pipe on one side of the cutting pliers. This design increases the overall portability of the escape pliers, making them easier to carry and expanding their application scenarios.

The invention discloses a quickly-started fire escape and fire-avoiding cabin and a use method thereof, and relates to the technical field of fire-fighting emergency escape equipment, and the quickly-started fire escape and fire-avoiding cabin comprises an expandable fire-avoiding cabin equipment box body; a fire-avoiding cabin rapid opening supporting assembly, a positive pressure oxygen supply breathing system, a human body breathing waste gas absorption circulating system, an emergency survival material storage assembly, a power battery and a communication lighting system are integrated in the box body. A multi-panel movable unfolding structure is adopted in the fire-avoiding cabin equipment box body, the fire-fighting fire-avoiding cabin is of a foldable structure, and second-level rapid unfolding is achieved through a safety linkage mechanism and an inflation supporting frame. According to the invention, when a building fire escape channel is blocked, a closed safe fire-avoiding space can be quickly built, and by matching with a positive pressure breathing guarantee module, an emergency survival material module and an external communication module, quick risk avoiding, safety protection and long-acting rescue waiting are realized; the device is convenient to store, small in occupied space and capable of being flexibly arranged in various places such as high-rise buildings and residences, and the problems that an existing fire risk avoiding device is slow in unfolding, incomplete in protection and poor in adaptability are solved.

This invention discloses a foldable emergency fire escape ladder for building construction, relating to the field of escape ladder technology. The foldable emergency fire escape ladder for building construction includes a supporting base shell, an emergency escape mechanism, and a rope ladder mechanism installed inside the supporting base shell. The emergency escape mechanism includes a square column and a guide rail groove. A protective cover is fixedly installed on the side of the square column surface. A braking triangular tooth is fixedly connected to the inner side of the protective cover. A step assembly is installed in the middle of the square column surface. The step assembly includes a disc connector and a connecting shaft. A step pedal is fixedly connected to the end of the connecting shaft away from the disc connector. A hexagonal block is fixedly connected to the middle of the outer circular surface of the connecting shaft. A torque spring is fixedly connected between the surface of the hexagonal block and the surface of the disc connector. A pull rod is hinged to the surface of the hexagonal block, achieving the purpose of folding. This allows for folding, reducing the overall volume of the escape ladder, facilitating storage and transportation, and making it lightweight and flexible.

The embodiment of the invention discloses a method for determining a fire-fighting escape path in real time, a fire-fighting emergency lamp and a system, which are used for improving the safety of the fire-fighting escape path. The method comprises the following steps: acquiring information of a target space of a to-be-determined fire-fighting escape path, wherein the information of the target space comprises a specified initial position and a specified exit position in the target space; collecting indoor obstacle distribution information of the target space in real time; according to the indoor obstacle distribution information, grid marking processing is executed on the target space, any grid space of the target space subjected to grid marking has a passing characteristic value, and the passing characteristic value represents whether the corresponding grid space is in a passable state or not; a fire-fighting escape path from a target specified starting position to any specified exit position is determined based on the target space subjected to gridding labeling, the target specified starting position is any one of the at least one specified starting position, and any grid space where the fire-fighting escape path passes is in a passable state.

The invention provides a method for selecting a fire escape safety path in a large building, and relates to the field of dynamic path planning, and the method comprises the steps: constructing a building topological graph model, and abstracting a building space into a graph structure composed of nodes and edges; dynamically calculating the danger level of each node by adopting a nonlinear attenuation model based on the fire occurrence position, and updating the danger level of each node along with time; planning an escape path from the starting point to the emergency exit by adopting a danger perception type path search algorithm and fusing the node danger level and the moving cost; fire behavior changes are monitored in real time, a path re-planning mechanism is triggered, and an escape path is dynamically adjusted; and evaluating the escape path through a multi-dimensional evaluation system, and determining a final escape path. According to the technical scheme, escape path dynamic planning with faster response, higher safety and stronger adaptability is realized, and reliable technical support is provided for personnel evacuation in a large building fire.

The utility model relates to a smoke exhaust fan for a fire fighting access, and relates to the field of fire fighting access fans. The device comprises a fan fixedly arranged on one side of a plurality of ventilation pipelines, the fan is communicated with the ventilation pipelines, a connecting pipe is fixedly installed on the air inlet end face of each ventilation pipeline, a supporting seat is fixedly connected to the front portion of the top of each connecting pipe, and a servo motor is fixedly connected to the top of each supporting seat. A servo motor drives a threaded rod to rotate under the cooperation of a bearing seat, so that a threaded sleeve on the surface of the threaded rod moves, a rack is driven to move under the movement of the threaded sleeve, a gear is driven to rotate, and the gear drives an adjusting plate connected to the surface of a rotating rod to rotate under the cooperation of the bearing seat; and when the rack descends, the adjusting plates rotate anticlockwise, so that the suction inlet is enlarged, and finally smoke is extracted through the fan.

The application provides an escape ladder for an LNG storage tank and a mounting method thereof, and relates to the technical field of petrochemical industrial buildings, and comprises a tank body and a supporting mechanism mounted on the side wall of the tank body, wherein the supporting mechanism comprises an escape platform and a shockproof assembly, the shockproof assembly is mounted on the bottom of the escape platform, and the shockproof assembly is used to drive the escape platform to move in the displacement direction of the tank body when the tank body is displaced; the technical problem that, in the prior art, when the horizontal displacement of the LNG storage tank is more than 400mm due to the influence of an earthquake, the escape ladder needs to be connected to the foundation to improve stability, there is a force difference between the LNG storage tank and the escape ladder, the escape ladder cannot timely move in the same direction along with the main body of the storage tank, and large deformation or even damage and failure occur is solved, and the technical effect of reducing unnecessary economic losses is achieved.

The utility model relates to the technical field of fire-fighting ladders, in particular to a fire-fighting ladder stand for fire-fighting engineering, which comprises ladder rods, each ladder rod comprises a metal rod, two ends of each metal rod are in threaded connection with positioning rods, and the outer wall of each positioning rod is provided with a woven clamping groove; the ropes are sequentially woven and wrapped outside the woven clamping grooves, the distance between every two adjacent ladder rods is 40 cm, and traction rings are woven at the top ends of the ropes; and the hanging buckle is connected with the traction ring. Through the arrangement of the detachable structures of the ladder rods, the ladder rods can be demounted in a targeted manner in the later use period of the device, so that the length of a rope at a hanging buckle can be increased, the convenience and suitability of binding operation of the rope can be improved, and the ladder rods can be quickly demounted, mounted and replaced; and the flexibility of the device and the convenience of later maintenance are greatly improved.

The invention relates to the technical field of building fire fighting and emergency escape, and discloses a folding high-rise building outer window escape and fire extinguishing integrated system capable of being unfolded quickly, the folding high-rise building outer window escape and fire extinguishing integrated system comprises an escape device and an escape and fire extinguishing system, the escape device comprises a fixing frame, an escape platform and a folding escape ladder, and a first connecting seat is fixedly installed outside the fixing frame. According to the folding type high-rise building outer window escape and fire extinguishing integrated system capable of being rapidly unfolded, by arranging the rapid unfolding mechanism, in emergency, a user pulls a handle frame outwards to drive a pull rod connected with the handle frame to move, so that a locking bolt which clamps a folding type escape ladder originally retracts from an inserting block, and once locking is released, the folding type escape ladder can be rapidly unfolded. Under the action of the gravity of the folding escape ladder, the folding escape ladder can be rapidly and downwards rotated and unfolded to form a coherent escape channel, the whole process can be completed within seconds, then instant release and automatic unfolding of the escape ladder are achieved, and precious escape time is won for people.

The invention relates to the technical field of fire safety, and discloses an intelligent recommendation method and system for a fire escape route, and the method comprises the steps: integrating a building information model, real-time sensor network data and video monitoring data, and constructing a virtual digital twin environment which is synchronously updated with a physical fire scene; preprocessing the multi-source signal; based on the preprocessed multi-source signal, identifying an open fire position, smoke concentration distribution and personnel aggregation through a convolutional neural network, and generating a real-time and multi-dimensional environment risk map and a personnel distribution map; parallel deduction is carried out in a digital twin environment, an escape route is planned by adopting an A * algorithm, and an optimal personalized escape route is obtained; the change of the environment and the personnel state is continuously monitored, and when a new congestion occurs, an escape route is dynamically planned and pushed in real time; according to the invention, the safety and efficiency of personnel evacuation in a fire scene are improved.

This invention discloses a fire escape indicator device. The rear end of a housing is mounted to a wall. The housing has a downward-facing cavity containing two accommodating channels extending vertically and spaced apart horizontally. A display frame is positioned below the housing, close to the ground, and has upward-facing slots that connect to the cavity. A display window is located on the front side of the display frame. Two fluorescent indicator signs are inserted into the two accommodating channels, each with a directional marking on its front side. Each fluorescent indicator sign descends along its corresponding accommodating channel to be inserted into its slot, exposing its marking in the display window. The two markings indicate opposite directions. Because the display frame is close to the ground, escaping personnel bending forward can clearly see the markings in the display window, quickly determining their escape route and thus increasing their escape success rate.

This invention relates to the field of fire-fighting equipment technology, specifically to a special lifting device for fire-fighting overpasses, comprising: an overpass main body, a base installed at the bottom of the overpass main body, and an openable fire escape window on the outer side of the overpass main body; the invention, by setting up a translation mechanism, when a fire occurs at both ends of the overpass main body, the drive motor can drive the U-shaped plate below to extend through the lead screw, forming a temporary standing platform outside the fire escape window of the overpass main body. Trapped personnel in the overpass main body can be transferred to the standing platform first, which not only prevents them from continuing to stay inside the overpass main body and causing injury, but also reduces the tension of the people on site after moving to the standing platform. Trapped personnel can evacuate in an orderly manner through the extended fire escape ladder, reducing the harm caused by the fire to people.

A telescopic support capable of being assembled with an escape fire ladder in fire engineering comprises a squatting and rising mechanism, a stretching mechanism and a linkage mechanism, and the squatting and rising mechanism can be switched between a squatting position and a standing position; the stretching mechanism is rotationally arranged at the top of the squatting and rising mechanism and is switched between a retraction position and a stretching position; the linkage mechanism is connected between the squatting and rising mechanism and the stretching mechanism and used for driving the forced squatting and rising mechanism and the stretching mechanism to cooperatively act, the telescopic support is switched between the squatting retracting position and the standing stretching position, squatting and standing of the squatting and rising mechanism are achieved through the linkage mechanism, meanwhile, the stretching mechanism is driven to rotate, and the chain wheel can stretch out or retract back conveniently.

The utility model relates to the field of escape equipment, in particular to an escape ladder which comprises two hook assemblies, a connecting rod assembly and a ladder assembly, each hook assembly comprises an upper hook and a lower hook, the upper hook is rotationally connected to the lower hook, the rotating axis of the upper hook is perpendicular to the length direction of the upper hook, and the two hook assemblies are symmetrically distributed along the rotating axis of the upper hook; the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are rotationally connected to the two hook assemblies respectively, the second connecting rod is hinged to the first connecting rod, the ladder assembly comprises connecting belts and step parts, the number of the connecting belts is the same as that of the lower hooks, and the connecting belts and the step parts are in one-to-one correspondence; the step parts are connected to the connecting belt and distributed at intervals in the length direction of the connecting belt. The upper hook and the lower hook are rotationally connected, the size of the escape ladder is reduced in the storage state, carrying and storage are facilitated, the structural strength between the two hook assemblies is improved through the connecting assembly, and the safety of the escape ladder is improved.

The application discloses a building fire escape path planning method and device based on global information fusion, which fuses building physical information system, building external fire safety rescue system, city traffic scheduling system, building BIM system and city 3D geographic information system and other data, and performs real-time evaluation on the building fire escape path, so that the escape path based on the optimal personal safety coefficient is determined according to the principle of the shortest and non-crowded. According to the building internal condition and the real-time dynamic information of the rescue of the fire station around the building, the optimal escape path is solved, disaster control, personnel escape and rescue implementation global information are fused, the best escape path strategy is determined, the efficiency and quality of building fire disposal are improved, the maximum safety space and escape path real-time planning can be obtained from the whole life cycle evolution of the fire, and personnel congestion or being trapped caused by information islands or one-sided information can be avoided.

1. The name of the design product: the hook rope ladder (CSL-XFGJ02). 2. The use of the design product: for escape ladder. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention relates to the field of fire door technology, specifically disclosing a fire escape door, including a door frame, an escape door body connected to an internal pivot, a threshold fixedly connected to the bottom of the door frame, a baffle installed inside the door frame, a closing assembly fixedly connected to the rear side of the door frame, a connecting assembly fixedly connected to the rear side of the door frame, a rack plate slidably connected inside the connecting assembly, a rack plate 2 fixedly connected to the top of the rack plate 1, and a limit rod slidably connected inside the rack plate 1. When the escape door body is opened or closed, the fixed block rotates, driving the pulley to push the rack plate 1 and rack plate 2, and rack plate 2 pushes the limit plate. When the oil injection rod rotates one revolution and coincides with the oil injection hole, the lubricating oil in the oil reservoir is delivered to the door pivot through the oil injection rod, effectively preventing the door pivot from rusting and jamming due to lack of lubricating oil, avoiding door opening delays caused by door pivot jamming, improving emergency evacuation efficiency, and ensuring that vulnerable groups such as the elderly and children can escape smoothly during a fire.

The utility model relates to the technical field of winding and material receiving, and discloses a telescopic underground emergency escape ladder which comprises a base, a main ladder is fixedly connected to the outer portion of the base, a sliding groove is formed in the main ladder, an auxiliary ladder is slidably connected to the outer portion of the sliding groove, a telescopic mechanism is fixedly connected to the outer portion of the auxiliary ladder, and the telescopic mechanism is fixedly connected to the outer portion of the main ladder. The outer part of the auxiliary ladder is fixedly connected with an anti-falling mechanism, and the inner part of the main ladder is fixedly connected with a plurality of limiting blocks; the telescopic mechanism comprises a rotating rod, a reset assembly is fixedly connected to the outer portion of the rotating rod, a fixing rod is rotationally connected to the outer portion of the rotating rod, a follow-up ring is fixedly connected to the outer portion of the fixing rod, and a connecting plate is fixedly connected to the outer portion of the follow-up ring. According to the auxiliary ladder, the fixing rod drives the connecting plate to move by pushing the auxiliary pedal, and the follow-up plate is pushed to drive the rotating rod to move when the auxiliary ladder reaches a proper height and needs to be retracted, so that the auxiliary ladder is automatically retracted.

The utility model relates to the field of elevators, and discloses an elevator protective fence which comprises a protective fence body arranged in an elevator body and a fixing device arranged on the inner wall of the elevator body and used for fixing the protective fence body. The fixing device is used for fixing the protective fence body; the angle adjusting part is arranged on the mounting part and used for adjusting the mounting angle of the protective fence body; according to the elevator protection fence, an escape ladder does not need to be arranged in the elevator body, the space occupied by the protection fence body in the elevator body can be saved, the safety of the elevator is improved, and the safety of the elevator is improved. And the protective fence body in the elevator body can be conveniently used in daily life.

The application relates to the technical field of fire safety, and discloses a fire escape route intelligent recommendation method and system, which integrates a building information model, real-time sensor network data and video monitoring data, constructs a virtual digital twin environment which is synchronously updated with a physical fire scene, pre-processes multi-source signals, identifies a fire position, a smoke concentration distribution and a personnel gathering condition through a convolutional neural network based on the pre-processed multi-source signals, generates a real-time multi-dimensional environment risk map and a personnel distribution map, carries out parallel deduction in the digital twin environment, plans an escape route by adopting an A* algorithm, and obtains an optimal personalized escape path, continuously monitors changes in the environment and the personnel state, dynamically plans the escape route when new congestion occurs, and pushes the escape route in real time, and the application improves the safety and efficiency of personnel evacuation under a fire scene.

The application discloses a kind of external escape ladders of underground stope filling air return well, comprising: transverse guide rail assembly, set in filling air return well lower side, its tail is fixedly connected with roadway side wall, head is set in filling air return well lower side well mouth brim;Ladder frame main body, top is slidably installed on transverse guide rail assembly, so that ladder frame main body can be vertically closely in filling air return well lower side when not being used Roadway side wall on, when being used, it is slid to the head of transverse guide rail assembly, forms escape passage.The application is simple to install, and occupies small space, when being used, ladder section moves to end support frame along transverse guide rail assembly, ladder section unfolds, simple structure, unfolds quickly, reliable anti-falling, can effectively improve the safety of underground personnel emergency escape.

An emergency passage for lifting audience seating, relating to the field of stage fire escape technology, includes an outer ring fixed passage and an inner lifting audience seating area. The outer ring fixed passage has a multi-layered structure distributed vertically. The lifting audience seating area includes a steel frame. An emergency ramp passage, a lifting transition platform, and a lifting power assembly are provided between the outer ring fixed passage and the steel frame. The lifting transition platform includes a platform passage and a platform support below it. The lifting power assembly includes a power unit located below the emergency ramp passage, which is connected to the lower part of the platform support via a traction rope. In an emergency, the emergency ramp passage of this invention can connect the audience seating area and the outer ring fixed passage, and the passage's direction is adjustable, allowing audience members in the seating area to access different levels of the outer ring fixed passage, facilitating better audience evacuation and improving safety.

The utility model discloses an escape ladder for engineering safety production, which comprises a main ladder, one side wall of the main ladder is connected with an extension ladder in a sliding manner, the bottom end of the extension ladder is provided with a supporting assembly, the side wall of the top end of the extension ladder is provided with a limiting assembly matched with the main ladder, and the top end face of the main ladder is provided with a fixing assembly. The main ladder comprises a pair of first ladder side plates, T-shaped grooves are formed in one side walls of the pair of first ladder side plates, top positioning holes matched with the limiting assemblies are formed in a pair of outer walls of the pair of first ladder side plates, and bottom positioning holes are formed in the positions, under the top positioning holes, of the first ladder side plates. According to the escape ladder for engineering safety production, the structural design of the extension ladder is added, the length of the ladder can be adjusted according to the height of a floor, different escape requirements are met, the escape efficiency is improved, meanwhile, the supporting assembly is additionally arranged at the bottom of the escape ladder, the stability of the escape ladder is guaranteed, and certain safety is improved.

1. The name of the design product: fire escape training machine. 2. The use of the design product: for fire escape simulation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The invention relates to the technical field of fire-fighting escape, and discloses an out-of-window fixed type fire-fighting escape box for a high-rise building, the out-of-window fixed type fire-fighting escape box for the high-rise building comprises an outer box, a mounting plate is fixedly mounted on the rear side of the outer box, a moving assembly is arranged on the inner side of the outer box, and a box body is arranged at the bottom of the moving assembly; a limiting assembly extending to the bottom of the box body is arranged on the inner bottom wall of the box body, a lifting assembly penetrating through the limiting assembly and extending to the bottom of the outer box is arranged on the inner side of the box body, a strip-shaped hole located in the outer side of the lifting assembly is formed in the inner bottom wall of the outer box, and protection strips are fixedly installed on the front side and the rear side of the inner wall of the strip-shaped hole correspondingly. The right side of the outer box is fixedly provided with a storage box, the bottom of the lifting assembly is provided with an escape mechanism, according to the outside-window fixed type fire-fighting escape box for the high-rise building, by arranging the escape mechanism, the purpose of high escape safety is achieved, and by arranging a protection mechanism, the purpose of preventing collision by arranging a limiting protection structure is achieved.

A fire escape parachute device designed for safe and effective evacuation from high-rise buildings (i.e., fixed bases) during emergencies, such as fires, is disclosed. The device comprises a canopy made from lightweight, durable, and tear-resistant fabric, reinforced with multi-strand Kevlar threads. A harness, featuring adjustable shoulder, thigh, and waist / chest straps, connects to the canopy via suspension lines and includes a front buckle for secure fastening. The device incorporates a deployment handle for manual parachute release, and in one embodiment, an automatic deployment system ensures canopy deployment if the user is not able to pull the handle. In other embodiments, the parachute includes sensors to monitor altitude and adjust the canopy to control descent speed.

The invention relates to the technical field of high-rise fireproof escape, and provides a high-rise fireproof escape device which comprises an escape box, a water containing box is arranged on the top surface of the escape box, a first water pipe is arranged on one side of the inner wall of the top of the escape box, multiple sets of water spraying heads are arranged on one side of the first water pipe, and a water collecting box is arranged at the bottom of the escape box. A second water pipe which penetrates through the side wall of the escape box and extends into the water containing box is arranged in the water collecting box, and the water spraying head, the box door, the escape box and the like are arranged, so that the purpose that the water spraying head can spray water to cool the interior of the box door and the escape box can be achieved; according to the device, the aim of recycling water resources is achieved, fresh air can be provided for escape personnel in the escape box through the arranged fan, the arranged filter box, the arranged ventilation pipe and the like, and the aim of replacing an air filter element in the filter box is achieved through the arranged push plate, the arranged clamping plate, the arranged filter box, the arranged ventilation pipe and the like.

The utility model discloses a high-rise fire-fighting escape device, and relates to the technical field of fire-fighting auxiliary equipment. The high-rise fire-fighting escape device comprises a fixing plate, a storage device for storing high-rise fire-fighting escape materials is arranged on the front side wall of the fixing plate, an escape device for the high-rise fire-fighting materials is arranged in the storage device, and a supporting device for providing sliding support and resetting is arranged on the front side wall of the fixing plate. A puncturing device for puncturing the water storage end of the escape device is arranged in the supporting device, and a protection device is arranged on the front side wall of the supporting device. When an escape person enters the fire-fighting escape channel, the movable end of the puncturing device is pressed down, and the puncturing device moves downwards under the guidance of the supporting device, so that the water storage end of the escape device is punctured by the puncturing device, escape materials of the escape device are soaked, and the safety of the escape person during escape is improved.

An anti-run-out groove manufacturing tool comprises a push plate, a handle and a groove-shaped manufacturing piece, and the push plate comprises a first side face and a second side face which are oppositely arranged in the first direction; the handle is arranged on the first side surface; the groove-shaped manufacturing piece is arranged on the second side face, extends in the second direction and comprises a forming part and a guiding part which are connected, and the forming part and the guiding part are sequentially arranged in the second direction; the size of the guide part in the third direction is gradually reduced from the end close to the forming part to the end away from the forming part, and the first direction, the second direction and the third direction are perpendicular to one another. According to the anti-run-out groove manufacturing tool, the groove type manufacturing piece comprises the forming part and the guiding part, the guiding part forms the inclined face guiding structure, pushing of the anti-run-out groove manufacturing tool is facilitated, and the anti-run-out groove manufacturing efficiency is improved. In the pushing process of the groove profile manufacturing piece, a regular groove profile can be formed through the forming part, the push plate can ensure the smoothness of sand molds on the two sides in the anti-run-out groove manufacturing process, and the forming quality of the anti-run-out groove is improved.