69results about How to "Improve rescue efficiency" patented technology

The invention provides a real-time disaster situation multi-dimensional verification alarm method and system based on a large model, and relates to the technical field of disaster situation response, and the method comprises the steps: carrying out the backtracking and calling of multi-source disaster situation associated data after a disaster situation early warning signal is received, and obtaining a heterogeneous disaster situation data set; starting a dynamic task chain scheduling mechanism, executing multi-priority thread trend analysis, and outputting a multi-dimensional index analysis result; executing multi-dimensional index cross verification, and outputting a disaster verification conclusion; disaster decision making is carried out, and a disaster decision instruction is generated; carrying out township-level disaster situation grid positioning, and outputting a disaster boundary coordinate set; after the thermal rescue target spot is framed, geological disaster avoidance analysis is carried out, and a safety buffer area is positioned; and executing an alarm verification response. The technical problems that in the prior art, a disaster monitoring and early warning system mainly depends on a step-by-step reporting mechanism, so that disaster information transmission is lagged, accuracy is lost, and timeliness and accuracy of post-disaster rescue work are affected are solved.

This invention provides a rapid rewarming and circulatory support system for frostbite and hypothermia in high-altitude environments, relating to the field of treatment device technology. It includes: a first temperature acquisition module for acquiring and preprocessing the current first ambient temperature, the first frostbitten skin surface temperature, and a first skin surface image; a control module connected to the first temperature acquisition module for analyzing the preprocessed first ambient temperature, the first frostbitten skin surface temperature, and the first skin surface image to determine the corresponding first target temperature and a first target warming rate; and a temperature regulation module connected to the control module for gradually warming the skin to the optimal preset temperature according to the warming rate. This invention achieves dynamic temperature control, continuous protection, and intelligent decision-making for frostbite and hypothermia in high-altitude environments.

The utility model discloses a rescue air cushion convenient to carry, including box, air bag pad and movable board, the inside of box is provided with the cavity, and the one side of box is provided with the notched of being linked with the cavity, and the upper and lower both ends of notched inboard all are through the pivot respectively installed with roll axle no.

This application discloses a method, apparatus, equipment, vehicle, and medium for under-vehicle rescue. The method includes: acquiring images of the underside of the vehicle, images of the surrounding area, real-time vehicle speed, and vehicle posture data; determining, based on the under-vehicle images, whether a foreign object exists under the vehicle and the target location of the foreign object; in response to the determination that a foreign object exists, identifying the type of foreign object based on the under-vehicle images, real-time vehicle speed, and vehicle posture data; and determining a rescue strategy for lifting at least one independent suspension of the vehicle based on the type of foreign object, the target location, and the surrounding images. The technical solution of this application avoids blind operation by rescue personnel, significantly shortens rescue preparation time, and improves rescue efficiency. It enhances the adaptability and flexibility of the vehicle in complex rescue environments, improving the success rate and safety of rescue operations.

The application discloses a kind of indoor positioning systems for fire safety evacuation, it is related to fire safety technical field, the indoor positioning system includes positioning terminal, wireless communication module, server and fire equipment control module, positioning terminal is worn on the body of indoor personnel, for real-time acquisition personnel's position information, and position information is sent to server by wireless communication module, server receives position information, and personnel is positioned according to stored high-precision indoor map, simultaneously, server also sends personnel's position information to fire equipment control module, to make fire equipment control module control the operation of fire equipment according to personnel position information, the indoor positioning system for fire safety evacuation of the application has very high positioning accuracy and reliability, positioning terminal uses ultra-wideband UWB positioning technology, can accurately determine personnel position in complex indoor environment.

The utility model relates to the technical field of automobile parts, in particular to an electric vehicle door handle quick opening mechanism which comprises an electric vehicle door body, a base is arranged on the outer side of the electric vehicle door body, a door handle body and a lock key assembly are arranged on the inner side of the base, and the lock key assembly is used for unlocking or locking the door handle body. According to the door handle body, the first handle and the second handle are detachably connected through the fastening bolt through the separable handle design, so that an operable mechanical emergency channel is provided for rescue workers when electric control completely fails, and the problem that the door handle is locked due to complete power failure caused by an accident or power shortage of a vehicle is solved; when the lock key assembly is in a normal power-on locking state, the electromagnet is powered on, generates magnetic force and attracts the iron core on the lock key, so that the lock key overcomes the tension of the spring to rotate around the hinge point, and the bent part of the lock key is inserted into the lock groove of the second handle, so that the whole door handle body is mechanically locked at the folding position.

The application discloses a kind of robot post-disaster rescue collaboration methods based on deep learning and large language model, by introducing " reflection mechanism " in natural language processing, realize task semantic analysis, dynamic optimization and adaptive scheduling.Large language model generates task semantic graph and combines reinforcement learning to adjust priority in real time, form closed-loop task reflection and optimization process, greatly improve the flexibility and adaptability of robot in complex environment.Design " distributed perception bridge " module, through attention mechanism dynamic screening and sharing key perception data, realize the efficient cooperation of heterogeneous robot, even in the condition of unstable communication still can guarantee rescue efficiency.Based on the reinforcement learning model driven by environmental characteristics, real-time perception of physical properties such as fragment density and slope, optimize behavior strategy, improve the generalization ability and robustness of model.Through " force-semantic coupling " motion planning, dynamically adjust the operation path and force of manipulator, improve the success rate of complex task.

The present application relates to a three-dimensional human body key point detection method based on an RGB-D camera in a crowd gathering scene, which comprises the following steps: obtaining an RGB image of a target human body to obtain two-dimensional pixel coordinates of human body key points through a deep learning-based 2D human body posture estimation algorithm, obtaining a depth image of the target human body to obtain depth values corresponding to the human body key points, optimizing the two-dimensional pixel coordinates through an adaptive mean filter, and obtaining three-dimensional coordinates of the human body key points in a camera coordinate system through coordinate transformation. The present application can quickly and accurately detect and obtain three-dimensional human body key point coordinates in a crowd gathering scene, provide information support for rescue work, and help robots operate and perform rescue tasks more accurately.

The utility model discloses a novel fire rescue cabinet, and relates to the technical field of fire fighting equipment, and the scheme is that the novel fire rescue cabinet comprises a fire fighting cabinet body, and a cabinet door mounting opening is formed in the fire fighting cabinet body; the two guide rails are arranged oppositely, and the two guide rails are assembled on the two opposite sides of the cabinet door mounting opening respectively; the cabinet door assembly comprises a first folding plate, a second folding plate and two oppositely-arranged sliding blocks, and one end of the first folding plate is rotationally connected with the top ends of the two guide rails; the two sliding blocks are assembled in the two guide rails in a sliding mode correspondingly, and the sliding blocks can slide in the extending direction of the guide rails in a reciprocating mode. One end of the second folding plate is rotationally connected with the first folding plate, and the other end of the second folding plate is rotationally connected with the two sliding blocks respectively; by means of the unique vertical opening and closing design, the surrounding space of the cabinet body is prevented from being occupied after the cabinet door is opened, a lifesaving channel is kept smooth all the time, and the taking efficiency of fire fighting equipment is greatly improved.

This utility model discloses a high-altitude work platform based on a photovoltaic power station, including a base plate and mutually enclosing side railings. The outer walls of the side railings are covered with an insulating layer. A waist belt that can be wrapped around the worker's waist is provided at the center of the enclosed side railings. At least two symmetrically arranged winches are connected to the waist belt. A winch for winding the winches is provided on the inner side of the side railings, and the winch is signal-connected to an external controller. This utility model has the advantages of reducing the risk of electric shock, improving rescue efficiency, increasing work safety, and increasing work comfort.

The utility model belongs to the field of supporting and retaining structures, and particularly relates to a prefabricated anchorage pier slope supporting and retaining structure which comprises a cross anchorage pier. The fixing assembly is mounted on the cross anchor pier; the fixing assembly comprises a locking piece, an anchor rod a and an anchor rod b. The fixing assembly fixes the cross anchorage pier on a side slope, the anchor rod b is inserted into the side slope through a tool, the anchor rod a and the anchor rod b are in threaded connection after the anchor rod b is inserted, the anchor rod a is rotated through the tool after connection, and the rotation direction is consistent with the threaded connection direction of the anchor rod a, so that the problem that the anchor rod a is separated from the anchor rod b after the anchor rod a is rotated is solved; when the anchor rod a rotates to the limit, the anchor rod b can be driven to rotate and continue tunneling, when the tunneling depth is enough and the anchor rod a is screwed into a certain depth, the anchor rod a has certain prestress, at the moment, the tensioning stress generated by the anchor rod a is maintained through installation of the locking piece and the anchor rod a, and compared with traditional pouring fixing, the device can be fixed more rapidly.

This invention discloses a river-crossing lifting and rescue device, specifically relating to the field of rescue equipment technology. It includes a drive cylinder with a jet annular cylinder fixedly connected to its front end. A rescue module is located at the front end of the jet annular cylinder. The drive cylinder contains a high-pressure air tank and a line-retrieving mechanism. The high-pressure air tank is connected to the jet annular cylinder via an air supply pipe to provide air pressure to eject the rescue module. The line-retrieving mechanism includes a take-up roller and a servo motor that drives its rotation. A rescue rope is wound around the take-up roller. The river-crossing lifting and rescue device of this invention, by setting a rotatable line-retrieving mechanism, utilizes the cooperation of a lifting handle and a limiting plate with a cross-shaped limiting through-hole to allow the orientation of the take-up roller to be adjusted according to the usage scenario. This facilitates the rapid release and retrieval of the rescue rope, improving the operational flexibility and rescue efficiency of the device, and making it suitable for complex aquatic environments.

The utility model discloses a portable fire location detection appearance belongs to fire control technical field. The portable fire location detection appearance includes: equipment casing, battery component, control component, satellite locator and sensor component, and equipment casing has flue gas flow channel, and battery component, control component and sensor component are sequentially laminated along the direction of being close to flue gas flow channel. Portable fire location detection appearance can obtain position information and fire detection information simultaneously, and timely feedback obtained information to fire control center or remote monitoring platform, improve the reliability of portable fire location detection appearance and rescue efficiency. And, the internal structure of portable fire location detection appearance in the utility model embodiment is compact, and the whole volume is smaller, and it is convenient for the rescue personnel to carry personally, and the influence to the action of rescue personnel is smaller, makes the flexibility of portable fire location detection appearance higher.

This application provides a human-computer interaction method and system for emergency rescue scenarios. The method involves parsing and processing the multimedia information received from an emergency rescue requester to obtain an emergency rescue situation awareness model. Based on this model, a deep reinforcement learning algorithm is used to select possible emergency response strategies. Medical knowledge graph technology is then used to analyze the relationship between the requester's symptoms and possible causes to generate an emergency rescue guidance plan. Based on this guidance plan, a traffic flow prediction algorithm is used to optimize the rescue route in real time. Combined with road condition information collected using IoT technology, the route of the rescue vehicle is dynamically adjusted to generate an optimal rescue route and the latest rescue progress notification. Finally, the optimal rescue route and the latest progress notification are used to visualize the emergency rescue operation process, generating intuitive visual guidance. The technical solution provided by this application significantly improves the speed, accuracy, and effectiveness of emergency response.

The utility model relates to the field of amusement park rescue equipment, in particular to a single-cable braking rescue device which comprises two end plates, a fixing plate is fixedly connected between the two end plates, a plurality of pulley fixing holes are formed in the surface of the fixing plate, and two pulleys sliding on a steel wire rope are fixedly connected in the pulley fixing holes. The surfaces of the two fixing plates are rotationally connected with a plurality of swing plates correspondingly, a plurality of swing shaft moving holes facilitating sliding of the other ends of the swing plates are formed in the surfaces of the two fixing plates correspondingly, a plurality of swing shafts are slidably connected into the swing shaft moving holes in a penetrating mode, and the two ends of the swing shafts are rotationally connected with the other ends of the swing plates. And a friction block assembly for friction braking of the pulley and the steel wire rope is installed between the two fixing plates, a braking pulling plate for braking the friction block assembly is installed at one end of the friction block assembly, and the single-cable braking rescue device facilitates rescue pulling back of the amusement park tackle when an accident occurs during operation of the amusement park tackle.

This utility model discloses a building fire simulation training device, including an upper simulation area and a lower simulation area, both constructed using shipping containers. The lower simulation area includes a furniture fire simulation training room, a kitchen fire simulation training room, an electrical fire simulation training room, and an oil fire simulation training room. The outer wall of the oil fire simulation training room has a gas storage chamber, and a gas delivery pipeline is installed on the gas storage chamber, one end of which is connected to the gas storage chamber. The gas delivery pipeline surrounds the outer wall of the lower simulation area. A bed fire model is installed in the furniture fire simulation training room directly opposite the igniter; a kitchen fire model is installed in the kitchen fire simulation training room directly opposite the igniter; and an electrical fire model is installed in the electrical fire simulation training room directly opposite the igniter. This utility model provides a variety of training scenarios and good training results, with the upper simulation area used for comprehensive fire simulation training and the lower simulation area used for real fire simulation training.

This utility model discloses a quick-opening tactical first aid kit, belonging to the field of first aid kit technology. It includes a kit body and a lid. The kit body has side covers on both sides, which can be folded along the edges of the kit body. The lid is connected to the bottom of the kit body and can be folded along the bottom of the kit body. Zippers are provided between the edges of the lid and the side covers, connecting the lid and the side covers together. The kit body has a pull ring, and the lid has a handle. By holding the pull ring and handle respectively, pulling down the lid opens it, revealing the internal area of ​​the kit body. Pulling down the lid by holding the handle allows for quick opening of the first aid kit without first opening the zippers, shortening rescue preparation time and improving rescue efficiency.

The multifunctional unmanned rescue boat comprises a boat body, an equipment platform is arranged on the boat body, a first equipment area, a second equipment area, a third equipment area and a fourth equipment area are sequentially arranged on the equipment platform in the length direction of the equipment platform, carrying equipment is placed in the first equipment area, and a life buoy and an unmanned aerial vehicle are placed in the second equipment area. A monitoring device is placed in the third equipment area, and a driving device is placed in the fourth equipment area; the equipment platform is further provided with a plurality of mechanical arms, and the mechanical arms are arranged on the boat head and the two sides of the boat body. The rescue boat is complete in equipment and can be remotely controlled through the unmanned aerial vehicle and the unmanned underwater vehicle of the equipment platform, and water and underwater targets can be conveniently searched; the three-side carrying capacity of the boat is improved through the three mechanical arms, and the conveying and rescue efficiency of the boat is improved; the tail water-jet propeller has good dynamic property, speed reduction is achieved by adjusting the direction of a nozzle, and when the boat is decelerated and drives to a person falling into water, the risk that the person is twisted is reduced.

An intelligent accompanying and guarding type intelligent sound box system based on intelligent old-age nursing relates to the field of aging adaptability, and comprises a daily accompanying module which comprises a voice interaction unit and an audio playing unit and is used for receiving a voice instruction of a target user and playing audio content corresponding to the voice instruction according to the voice instruction; the emergency guarding module comprises an SOS triggering unit, a positioning unit and an emergency linkage unit, the positioning unit comprises a plurality of positioning modes and selects the positioning modes according to environmental conditions, and the emergency linkage unit is used for sending the position information of the target user to a preset emergency contact person and initiating a call; and the mode switching control module is connected with the daily accompanying module and the emergency guarding module, and is used for interrupting the playing task of the audio playing unit and starting the positioning unit and the emergency linkage unit when detecting that the SOS triggering unit is triggered. According to the equipment, the mode switching response timeliness of the intelligent loudspeaker box in an emergency can be improved.

The robot dog with the multiple mechanical arms comprises a robot dog body, a multi-mode moving module is integrated at the bottom of the robot dog body, a mechanical arm butt joint rail is arranged on the upper side of the edge of the robot dog body, and at least two standardized power connection butt joint bases are arranged on the mechanical arm butt joint rail. A mechanical arm connecting base is fixedly connected to the front face of the power connection butt joint base in an inserted mode, an operation mechanical arm module is arranged on the front side of the mechanical arm connecting base, a modularized tail end claw is detachably installed at the tail end of the operation mechanical arm module, and the operation mechanical arm module and the modularized tail end claw are driven by a servo motor or hydraulically to operate. And through the arranged mechanical arm butt joint rail and the power connection butt joint bases, different numbers of power connection butt joint bases can be installed according to task requirements, and the number of the operation mechanical arm modules is flexibly adjusted so as to adapt to the task requirements of different scenes. Multi-task synchronous execution is realized, and the rescue efficiency is greatly improved.

The application discloses an ice surface rescue floating plate capable of being quickly moved in a portable mode, which is composed of two groups of tail plates and middle plates, the two middle plates are connected through a soft connection one, the two middle plates are located between the two tail plates, the middle plates and the tail plates are connected through two soft connection two, and connecting columns are respectively arranged on the top of the middle plates and the tail plates close to the corners. The ice surface rescue floating plate has the following advantages: the two ends of the ice surface rescue floating plate are provided with independent rotatable disc parts, so that the rescuer can quickly move horizontally on the ice surface to rescue, and the ice surface rescue floating plate can rotate in any direction on the ice surface through the cooperation of the moving belt; meanwhile, the whole ice surface rescue floating plate is light in weight, the corresponding parts are additionally provided with anti-skid materials, the safety of rescue is ensured, the folding and storage function can be used in the non-use state to reduce the occupied space, the ice surface rescue floating plate is convenient to carry and the rescue time is reduced; and the ropes arranged around the ice surface rescue floating plate can improve the efficiency and safety of rescue.

The invention relates to the field of battery manufacturing, in particular to an emergency rescue method and device for a fire-fighting place, electronic equipment and a computer readable storage medium. The method comprises the following steps: acquiring a current field image of a fire-fighting place, and acquiring a plurality of historical field images in a set time period; performing image recognition on each historical field image, determining a historical combustion area in each historical field image, performing image recognition on the current field image, and determining a current combustion area in the current field image; constructing a fire diffusion pattern of the fire-fighting place according to the time sequence characteristics of the historical field images and the historical combustion areas; and predicting a future combustion area according to the current combustion area and the fire diffusion pattern, and planning a target rescue path according to the future combustion area. According to the emergency rescue method and device for the fire-fighting place, the electronic equipment and the computer readable storage medium, the technical effect of improving the emergency rescue efficiency of the fire-fighting place and the safety of the rescue process can be achieved.

This utility model discloses an integrated emergency lighting device capable of real-time detection of human body location. The device includes an emergency lighting fixture body, which integrates a millimeter-wave radar sensing module, a thermal imaging sensor, a voice recognition module, a CO gas sensor, a PLC control module, a drive unit, and an audible alarm. The millimeter-wave radar sensing module, thermal imaging sensor, voice recognition module, CO gas sensor, drive unit, and audible alarm are all electrically connected to the PLC control module. The emergency lighting fixture body has two evacuation lights, each electrically connected to the PLC control module via a drive unit, forming independent working circuits that do not interfere with each other. This utility model can promptly monitor and locate the position of trapped personnel, providing firefighters with accurate rescue information, improving rescue precision, avoiding blind searches, shortening rescue time, and reducing casualties and property damage.

This application discloses an emergency rescue method, system, and platform based on multi-dimensional information fusion, relating to the field of emergency rescue technology. The method includes: an emergency rescue center receiving rescue request information from the location of an emergency event; coordinating information among all rescue parties based on the rescue request information and planning rescue routes based on multi-dimensional information; and alleviating traffic congestion along the rescue route by considering the destinations of vehicles in the congested area and planning alternative routes for these vehicles. The emergency rescue center coordinates multiple rescue parties based on the received location of the emergency event and plans the optimal rescue route. Furthermore, considering congested sections along the rescue route, it alleviates traffic congestion and plans alternative routes to avoid the location of the emergency event. This enables coordination among multiple rescue parties to be initiated immediately upon the occurrence of an emergency, and maximizes the time available for rescue parties to reach the emergency location, thereby improving rescue efficiency.

The utility model relates to waterproof graphene electric heating rescue gloves belong to rescue gloves technical field, including waterproof gloves main part, graphene electric heating film, magic tape arm band, waterproof battery, waterproof gloves main part sets up neoprene thermal layer and wear -resisting layer, waterproof gloves main part sets up and places the groove with graphene electric heating film, waterproof gloves main part sets up moisture absorption sweat fabric lining, waterproof gloves main part sets up magic tape wrist band, magic tape arm band sets up battery storage bag, waterproof battery is placed in battery storage bag. The utility model, glove outer configuration has antiskid layer, inside configuration has graphene heating film, configuration and battery placement area, can be used for power supply to graphene heating film when configuring waterproof battery under water diving or winter water area rescue, make overwater rescue more convenient, prevent hand stiff because of cold, can give consideration to protectivity, flexibility and comfort in extreme environment, improve rescue efficiency.

The utility model relates to the technical field of fire axes, and discloses a multifunctional fire axe which comprises an axe handle, one end of the axe handle is in threaded connection with a connecting end, the outer surface of the connecting end is fixedly connected with an axe face, the outer surface of the connecting end is fixedly connected with a mouth opener, and the outer surface of the connecting end is fixedly connected with a fixing block. According to the multifunctional fire axe, through the action of the axe surface, the mouth opener, the rotating shaft, the U-shaped plate, the limiting inserting rod, the mounting block, the hammer head, the conical hammer and the emergency whistle, multiple functions such as chopping, knocking, crushing, forcible entry and early warning positioning can be provided for the fire axe, and therefore firemen can cope with various different types of complex environments; and through the effects of a rotating shaft, a U-shaped plate and a limiting insertion rod, the hammer head and the conical hammer can be rapidly switched when the rotating shaft rotates, and after the limiting insertion rod is inserted into the rotating shaft, the switching function can be rapidly limited and fixed, so that the working efficiency of firefighters can be improved, and the rescue efficiency is improved.

The underwater rescue system comprises a first electromagnetic adsorption mechanism used for being installed on a front bumper of a to-be-rescued vehicle and comprising a support, the support can be detachably and fixedly connected with the front bumper of the to-be-rescued vehicle, an iron core is fixed to the support, an electromagnetic coil is wound around the outer side of the iron core, and the first electromagnetic adsorption mechanism is used for being installed on the front bumper of the to-be-rescued vehicle; the periphery of the electromagnetic coil is wrapped with an insulating material; a first adsorption disc is arranged at the end part of one side of the iron core; the second electromagnetic adsorption mechanism is used for being installed on a rear bumper of the rescue vehicle, an electromagnetic chuck is adopted, a second adsorption disc matched with the first adsorption disc is arranged on the outer side face of the electromagnetic chuck, and the electromagnetic chuck is connected with the driving power source through an electromagnetic controller; and the electromagnetic chuck can be adsorbed and fixed to the first adsorption disc through the second adsorption disc, so that the rescued vehicle is dragged through the rescue vehicle, and the rescue system overcomes the defects of a current rescue mode.

The invention belongs to the technical field of equipment related to ships, and particularly relates to lifesaving in water, in particular to a search and rescue path planning method and system.The search and rescue path planning method comprises the steps that a search and rescue range is determined through a server according to an initial falling point of a person falling into water, and a search and rescue path is constructed in the search and rescue range according to the search and rescue range; the rescue device travels along the search and rescue path, determines a rescue point after identifying the person falling into water, directly travels towards the rescue point after separating from the search and rescue path, and decelerates to get close to the person falling into water after entering the rescue range of the person falling into water so as to complete rescue of the person falling into water; after the person falling into water is rescued, the rescue device travels towards the preset ashore point, so that the person falling into water is quickly rescued, and the rescue efficiency is improved.

This utility model discloses a casualty search backpack, comprising a main backpack body, a drone, a remote control unit, several spare batteries, a cover plate, and a secondary backpack body. The main backpack body has a first groove, a second groove, and a third groove on its front side. The cover plate covers the front side of the main backpack body and is detachably connected to it, covering the first, second, and third grooves. A suspension device is fixed to the bottom of the drone. The suspension device is used to suspend the secondary backpack body from the bottom of the drone for transport to the location of the casualty and deployment. Two carrying straps are fixed to the back of the main backpack body. The top of the secondary backpack body is detachably connected to the bottom of the main backpack body. A soft handle is provided on the top of the secondary backpack body. This utility model enables rapid casualty search and flexible and efficient delivery of emergency supplies using a single backpack.

The invention discloses a vehicle-mounted flight stretcher which is composed of a rescue vehicle platform and a vehicle-mounted rescue aircraft, the vehicle-mounted rescue aircraft comprises a rescue aircraft body and a ground rescue vehicle platform, and a special lifting type take-off and landing cabin is arranged on the ground rescue vehicle platform; the vehicle-mounted rescue aircraft body adopts a double-row serial heterogeneous duct layout, a streamline battery cabin is fixedly connected right below a main body frame of the aircraft body through hanging points, and an energy module is packaged in the streamline battery cabin; a load management system is integrated on the abdomen of the vehicle body main body frame, namely between the energy module and the vehicle body main body frame, and a medical stretcher is arranged under the load management system. A specially-designed large-load, compact and disassembly-free ducted aircraft serves as a connection aircraft to achieve the function similar to a stretcher, and the problem that vehicles cannot pass through and cannot be driven in harsh rescue environments such as dense forest mountains, traffic jam highways and urban blocked streets is solved.