113 results about "Fire escape" patented technology

The invention relates to the technical field of fire escape, in particular to a multi-user shared unpowered circulating hanging chain high-rise emergency constant-speed descent control machine which comprises a box body and an outer frame, after the front end of the outer frame extends out of a building, the box body is located outside the building, and a chain transmission mechanism comprises a first chain wheel, a second chain wheel and a third chain wheel. Third mounting blocks are arranged on the two sides of the third chain wheel on the third transmission shaft and slidably connected with the floating sliding rails, first supporting springs are fixed to the bottoms of the third mounting blocks, and a chain extends into the box body from the bottom of the box body, firstly bypasses the top of the third chain wheel and then bypasses the bottom of the second chain wheel; then bypasses the top of the first chain wheel and downwards extends out of the box body; the first transmission shaft is connected with a speed reduction device for automatically adjusting the rotating speed of the first transmission shaft according to the total weight of escape persons on the chain and an illumination assembly for automatically generating electricity. The device has the technical effects that the device can be used by multiple persons, and the manufacturing and maintenance cost is low.

The invention provides a remote monitoring method and system based on a fireproof door monitoring module, and relates to the technical field of fireproof safety monitoring, and the method comprises the steps: constructing a fireproof function simulation model of a building; m fireproof door monitoring modules are pre-deployed; after M pieces of real-time state information of the M fireproof door monitoring modules are collected, the function availability of the fireproof door is judged; performing dynamic evacuation path fitting after spatial mapping of the fault fireproof door in the fireproof function simulation model; according to the fireproof influence degree, operation and maintenance priority ranking of the faulted fireproof door is carried out, and a hierarchical operation and maintenance priority sequence is output. The technical problem that the operation and maintenance management efficiency of the fireproof door is low due to the fact that the influence on the whole cannot be evaluated in time when a single fireproof door fails in the prior art is solved, collective availability judgment of the fireproof door combination is performed by monitoring the state of each fireproof door in real time and based on fire escape path fitting, and the operation and maintenance efficiency of the fireproof door combination is improved. And the operation and maintenance management efficiency of fireproof door monitoring is improved.

The invention provides an escape device, and relates to the technical field of escape equipment. The escape device comprises the main window frame, the auxiliary window frame, the window sash and the escape ladder, the escape ladder is adjusted to be in the vertical direction by turning over the auxiliary window frame, frameless glass of the escape ladder and the window sash is automatically unfolded downwards under the action of self gravity, the escape ladder is connected with the escape device on the lower layer of the building, and a vertically-through cage type escape ladder channel is formed. The escape ladder is simple to operate and convenient to use, a continuous and reliable escape channel can be rapidly established, meanwhile, fire rescue workers can rapidly climb up to rescue and extinguish fire according to the escape ladder under the condition that the terrain and the environment are limited, time and labor do not need to be consumed for breaking and dismantling a rescue window, the functions of rescue, fire extinguishment and escape are integrated, and the rescue effect is good. Rescue, fire extinguishment and escape are carried out at the same time, preemption is carried out every minute and every second, the requirements for rapid and efficient rescue and personnel escape are met, and therefore personal safety is better guaranteed.

The invention discloses an alarm system and method of a fire-fighting escape ladder, and relates to the technical field of communication alarm, the alarm system comprises an induction monitoring unit, a multi-source fusion unit, a communication control unit, a power supply control unit and a sound-light alarm unit, and the fire spreading edge is delimited and the fire behavior direction is predicted through multi-source data fusion. The fire emergency is judged to facilitate follow-up fire rescue, then the audible and visual alarm unit is used for fire-fighting escape guide indication, so that people in the escape ladder are guided to transfer orderly, the evacuation efficiency is improved, a distributed communication model is established through the communication control unit, and the channel quality is evaluated to dynamically adjust the communication mode. The anti-interference capability of wireless signals is enhanced, a thermoelectric conversion model is established through the power supply control unit to perform thermoelectric conversion, and then the signals are output to the power supply module to be stored for emergency power supply under the condition of power failure caused by high temperature of a fire disaster, so that the system reliability, the response speed and the personnel safety in a fire disaster scene are remarkably improved.

The invention relates to the technical field of route optimization, in particular to a fire optimal escape route planning method and system based on a multi-modal fusion algorithm, and the method comprises the following steps: obtaining temperature, smoke and oxygen sensor readings and building information data, calculating the multi-source fusion criticality of each position and each moment of a building, obtaining a position time sequence fusion hazard value, and calculating the position time sequence fusion hazard value; and based on the position time sequence fusion hazard value, integrating numerical values of different time points, and establishing a time-varying hazard probability distribution diagram. According to the invention, through real-time acquisition and fusion of temperature, smoke and oxygen sensor readings and building information data, hazard degree dynamic evaluation of each position in a building is realized, a position time sequence fusion hazard value is constructed, and space hazard identification accuracy is effectively improved; thermal damage analysis and long-term fragility factor calculation of beams and columns in the building structure are further combined, and the bearing performance change of the building structure under the thermal action is comprehensively evaluated, so that the risk evaluation is more comprehensive.

The utility model discloses a fire-fighting emergency escape ladder which comprises a platform. A fixed rotating shaft is arranged on one side of the platform. The handrail is fixedly arranged on the outer edge of the platform; the folding escape ladder comprises a first escape ladder and a plurality of second escape ladders, the first escape ladder and the second escape ladders are arranged in a mutual sliding mode, and the first escape ladder is rotationally arranged on the fixed rotating shaft; the fixing device is used for fixing the folding escape ladder in different use states; and the folding escape ladder can be rotated to enter a handrail state and a ladder state.

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.

An inflatable fire escape slide device is provided. The device is comprised of an inflatable slide system designed for emergency evacuations from buildings. The device comprises a body made of two halves connected by at least one hinge or similar fastener. One of the halves can be attached to a windowsill using a spring-loaded slam latch to secure the device to a windowsill during use. An inflatable slide housed within the body can be deployed and inflated by a spring-loaded release mechanism activated by pulling a string, which allows compressed air to exit a compression chamber, thus inflating the slide rapidly. The slide includes a protective tarp at its base to prevent damage and absorb the impact of users after sliding down the slide from a building window to a ground surface.

The utility model relates to the technical field of fire escape guide, in particular to an intelligent guide device for fire escape, which comprises a control box, an assembly mechanism, a wireless transmission device, a display mechanism, an alarm mechanism and an electricity storage mechanism are arranged on the control box, and an adjusting groove is formed in the control box. A maintenance groove and a lifting groove are formed between the adjusting groove and the outer side of the control box, a maintenance cover is arranged on the maintenance groove, a lifting column is arranged on the lifting groove, searchlights are arranged on the two sides of the lifting column, an inclined column and a telescopic mechanism are arranged on the maintenance groove, an adjusting plate is arranged between one side of the inclined column and the adjusting groove, and a telescopic mechanism is arranged on the telescopic mechanism. According to the structure, the wireless transmission device is connected with the network control terminal, automatic adjustment of the direction of the searchlight can be achieved, the angle of the searchlight can be adjusted according to actual needs, it is ensured that light covers the most needed area, and the searchlight is particularly important for areas with poor sight or places with special terrains such as stairs and slopes.

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 utility model relates to the technical field of fire-fighting masks, and discloses a fire-fighting escape gas mask which comprises a mask body, a transparent visual window, an inspiration port and an expiration nozzle are sequentially arranged on the front side wall from top to bottom, a sounding nozzle is further arranged at the position, close to the expiration nozzle, of the front side wall, an illuminating lamp is detachably arranged above the mask body, and a fixing belt is detachably arranged on the rear side of the mask body. A storage box is detachably arranged below the mask; the canister is detachably arranged at the air suction port and comprises a canister body, a canister bottom sealing cover and a canister opening sealing cover, the canister bottom sealing cover and the canister opening sealing cover are detachably arranged at the canister bottom and the canister opening of the canister body respectively, and a smoke filtering layer, a first filtering net plate, a first filtering cotton cushion, a medicament layer, a second filtering net plate and a second filtering cotton cushion are sequentially arranged in the canister body from the canister bottom end to the canister opening end. The multi-layer canister has the advantages that the head is comfortable to wear, the canister has a multi-layer canister filtering effect, and the lighting function is achieved.

The utility model relates to the technical field of sliding doors, in particular to a sound insulation and heat insulation manual sliding door which comprises a door body structure, the door body structure comprises an outer side plate, the inner wall of the outer side plate is connected with an inner supporting partition plate, the side, away from the outer side plate, of the inner supporting partition plate is connected with an inner side plate, and the side face of the inner side plate is connected with a lock head. The tail end of the lock head is connected with a sliding rail, the top end of the outer side plate is connected with a wall body, and the bottom end of the outer side plate is connected with rolling wheels. The sealing effect between the door body and the frame is more excellent through mutual cooperation of the installation groove, the limiting plate and the inner supporting plate, in addition, the heat insulation and sound insulation effects are remarkably improved through mutual cooperation of the outer side plate, the inner supporting partition plate and the inner side plate, and the service life of the door is prolonged. Therefore, the application range of the sliding door is better and better, the controllability is higher, the sliding door can be directly applied to a fire fighting access through the arrangement, and the application range of the sliding door is widened.

The invention discloses a sliding type escape ladder, a using method thereof and engineering machinery. The sliding type escape ladder comprises a fixed ladder, a slide, an operating rod and a blocking component, the fixed ladder is mounted around the cab; the slide is mounted on the fixed ladder and can slide up and down in the fixed ladder; the operating rod is configured to lock and unlock the fixed ladder and the slide; the operating rod comprises a first connecting piece and a second connecting piece. The first connecting piece is divided into a first fixing part, a second fixing part and a third fixing part. And the blocking component is configured to limit and release the limit of the third fixing component, and when the third fixing component is limited, the rotation of the operating rod is blocked, so that the second fixing component and the butt joint component are always in a locking state. According to the sliding type escape ladder provided by the invention, the sliding ladder is locked by utilizing the self weight of the ladder, and the locking function is safe and reliable; during emergency escape, the escape ladder can be unlocked and put down only through one-step operation, and the escape time is greatly shortened.

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 utility model discloses a quick unfolding mechanism of folding fire emergency escape ladder, including setting between the escape ladder body of upper and lower passageway grating, the escape opening is provided with the passageway grating of upper side relative to escape ladder body, escape ladder body has the lifting column, the surface of lower the passageway grating is provided with the rotary cylinder relative to lifting column, the side stop is provided with the both sides of lifting column, the side stop with the folding step between lifting column is provided with, under the daily condition, the side stop of both sides will be extremely close to the symmetry of lifting column's both sides, the folding step of this time is also folded between two, so the cross section of whole escape ladder body is extremely small at this time, and the proportion of the cross section of the passageway grating that it occupies is relatively smaller, and the influence to the walking of personnel, work under the daily condition is not big.

The present invention discloses a revolvable multifunctional fire escape pipe gallery for temporary buildings and a method for using the same, and relates to the field of building technology. The revolvable multifunctional fire escape pipe gallery for temporary buildings includes a fire alarm response system, a fire escape pipe gallery system, and a protective fence system. The fire alarm system includes a fire alarm sensor, a sensor line, and a jack alarm reactor. The revolvable multifunctional fire escape pipe gallery for temporary buildings and a method for using the same can be used in a revolving state, reduce costs and increase efficiency, and combine the pipe gallery with an evacuation and escape device into one. In normal times, the pipe gallery characteristics are used to arrange the pipes and used as a ground road. In emergencies, the evacuation and escape device can function. One thing has multiple functions, which greatly improves the energy efficiency of the equipment. The various components are linked through a fire sensing device and automatically triggered in an emergency, avoiding the time loss caused by manual operation and increasing the evacuation time.

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.

1. Name of the design product: Smart door lock (for fire escape). 2. Use of the design product: This design is mainly applied to a smart door lock that helps people escape during a fire. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Front view.

The invention relates to the technical field of fire fighting accesses in public areas, in particular to a hidden fire fighting access and a using method thereof.The hidden fire fighting access comprises two sliding rails which are symmetrically arranged, each sliding rail is provided with a blocking section and an opening section which are sequentially connected, the blocking sections are located in the fire fighting access, and the opening sections are located outside the fire fighting access; the blocking sections and the opening sections are arranged in a mutually crossed mode, each sliding rail is provided with a plurality of obstacles in a sliding mode, the blocking sections are provided with first locking mechanisms used for rapidly locking or unlocking the obstacles on the sliding rails, and second locking mechanisms used for mutual connection or separation are arranged between every two adjacent obstacles. During use, the barriers slidably arranged on the sliding rails are quickly locked or unlocked through the first locking mechanisms and the second locking mechanisms, the barriers are quickly switched between the blocking state and the barrier-free state in the fire fighting access, operation is easy and quick, and the good utilization rate of the fire fighting safety access in the public area is increased.

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 invention provides a pull-pull locking type escape ladder storage device for a railway vehicle, which comprises an aluminum alloy section fixing frame, a slide way assembly, a containing disc assembly and a box body assembly, and is characterized in that an inspection door capable of being quickly opened by passengers is arranged by utilizing a lower space of a transverse fixed seat structure; on the basis, a tray device capable of being pulled and locked in a sliding mode is added to achieve the self-service taking function of the escape ladder, so that the emergency guarantee requirements of people for safe travel and quicker and more convenient emergency guarantee are met, and when a vehicle adopts an unmanned driving mode, if emergency situations occur, passengers need to get off the vehicle emergently, the passengers can get off the vehicle emergently. A passenger can quickly operate the escape ladder storage device by himself / herself so as to operate an emergency escape ladder, and therefore, the novel escape ladder storage device which is simple, convenient, humanized and capable of bringing high-quality riding experience to the passenger is developed according to the novel escape ladder storage device.

The utility model provides a foldable escape ladder, and belongs to the technical field of fire-fighting escape equipment. The problems that an existing escape ladder is complex in opening operation, low in efficiency and not easy to store are solved. The foldable escape ladder comprises a plurality of escape ladder splicing units which can be spliced in sequence, each escape ladder splicing unit comprises a fixing rod, a connecting rod and a plurality of pedal cross beams, the fixing rods are used for being fixed to a wall, the connecting rods are located on one sides of the fixing rods, and the pedal cross beams are located on the other sides of the fixing rods. The two ends of the pedal cross beams are hinged to the fixing rods and the connecting rods respectively and arranged at intervals in the length direction of the fixing rods, and the escape ladder splicing unit located at the top is further provided with a locking mechanism which enables the escape ladder splicing unit to be kept in a folded locking state and can be unlocked. The escape device is convenient and fast to operate, can save a large amount of escape time, and is smaller in size and more attractive after being stored.

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.

1. The name of the design product: fire escape descent device. 2. The use of the design product: the design product is used for fire escape. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model discloses a wall structure for high-rise building fire escape compartment storage and out-of-wall sliding, which comprises a compartment body storage chamber, an out-of-wall passage and an outer wall taxiway, the compartment body storage chamber is provided with a side door communicated with a floor where the compartment body storage chamber is located, the out-of-wall passage is communicated with the compartment body storage chamber and an outer wall surface, and the outer wall taxiway is communicated with the side door. The cabin body storage chamber and the wall passage share a sliding bottom surface capable of enabling the escape cabin to slide towards the outside of the wall, and the outer wall taxiway is positioned beside an outlet of the wall passage. The escape compartment has the advantages that the problem that the escape compartment smoothly slides out of a wall during normal storage and emergency is solved; the attractiveness of the outer wall is not influenced.

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.