127 results about "Life preserver device" patented technology

The invention belongs to the technical field of rescue unmanned aerial vehicles, and particularly relates to a switching type flight lifesaving device which comprises an unmanned aerial vehicle body, a mounting part is arranged in the unmanned aerial vehicle body, and the mounting part is electrically connected with the interior of the unmanned aerial vehicle body; a plurality of ejection parts are annularly arranged in the mounting part; a locking part is arranged in the unmanned aerial vehicle main body, and the locking part can fix the mounting part and stabilize the mounting part in the unmanned aerial vehicle main body; the ejection part comprises a fixing part, an elastic extrusion part, an ejection bin, a connecting base, a fixing base, an elastic reset part and a connecting rope, the middle of the fixing part is rotationally arranged in the mounting part, one end of the elastic extrusion part is fixedly connected with the lower end of the fixing part, and the other end of the elastic extrusion part is fixedly connected with the mounting part. Multi-angle lifesaving material delivery is achieved through the annular array ejection structure, rapid function switching is supported by the modular installation part, the rescue range, task flexibility and equipment stability are remarkably improved, and complex emergency rescue requirements are met.

The invention belongs to the technical field of rescue equipment, and particularly relates to a foldable flight lifesaving device which comprises a shell, a plurality of partition plates are arranged in the shell, and the interior of the shell is divided into a buoyancy bin, a plurality of storage bins and a plurality of air inlet bins through the partition plates. The multiple storage bins are located on the two sides of the interior of the shell correspondingly, the cross section of each storage bin on the horizontal plane is in a U shape, the multiple air inlet bins are located at the two ends of the interior of the shell correspondingly, and the expansion assemblies are assembled in the storage bins and comprise air bags and air valves. The high-pressure micro air pump is started to inject air into the air bag, the air bag in the folded state is converted into the stretching state, the air bag in the stretching state and the shell can form a temporary danger avoiding area, people falling into water climb on the temporary danger avoiding area to wait for rescue, and the temperature loss phenomenon caused by long-time soaking in low-temperature water is avoided.

A personal life-saving system including an inflatable life- saving appliance L and configured to be attached to a wearer's leg. The system may include one or more leg straps (26A, 26B) for attachment to the wearer's leg (14). Two elongate spaced apart compressed gas containers may be arranged to extend long the wearer's leg for inflating a life-saving appliance. An activation system may activate the plurality of compressed gas containers simultaneously to inflate the life-saving appliance. The compressed gas containers and the life-saving appliance may be provided in an inner and outer casing.

The invention relates to the field of fire rescue, in particular to an underwater lifesaving device for fire rescue. An existing device is not high enough in safety and insufficient in stability during underwater lifesaving, potential safety hazards are prone to occurring, rapid diving into water is not convenient to achieve, and the rescue efficiency is reduced. An underwater lifesaving device for fire rescue comprises an arc panel and the like. One end of the cambered surface plate is fixedly connected with a first soft belt, the other end of the cambered surface plate is fixedly connected with a second soft belt, the surface of one side of the first soft belt is fixedly connected with a hook-and-loop fastener hook face, and the surface of one side of the second soft belt is fixedly connected with a hook-and-loop fastener loop face. Due to the fact that the cambered surface plate is located on the belly of the wearer and the buoyancy tanks are distributed at the belly of the wearer, buoyancy borne by the buoyancy tanks enables the wearer to always keep the face upward in the process of floating to the water surface and after floating out of the water surface, and the suffocation risk of the wearer is reduced.

The invention discloses a u-shaped automatic lifesaving device capable of popping up an inflatable cushion. A life buoy belongs to the technical field of life-saving equipment and comprises a life buoy body, an emergency mechanism is arranged in an inner cavity of the life buoy body, and by arranging the emergency mechanism, rescue workers remotely control the life buoy body to move to the position near people falling into water, and then an electric push rod is started; an electric push rod is started to drive an iron ball on the surface of a push rod to move to the surface of a second electric wire through an opening, the second electric wire is connected at the moment, the resistance wire between the first electric wire and a second motor generates high temperature, the high temperature instantly gasifies solid guanidine nitrate wrapping the resistance wire, and guanidine nitrate can generate a large amount of gas; at the moment, air enters the safety air bag through the connecting pipe, the safety air bag is rapidly inflated, the person falling into water can hold the safety air bag to be rescued, the safety air bag can be rapidly opened to hold the person falling into water, rapid emergency treatment of rescue of the person falling into water is achieved, and the rescue capacity is improved.

The utility model discloses a fast launching life-saving device for a ship, which comprises a mounting frame, one side of the mounting frame is an inclined plane, a throwing port is arranged at the top end of the mounting frame, an air storage tank is fixedly arranged on one side of the mounting frame, an air pump is fixedly arranged on one side of the air storage tank, and an electromagnetic valve is fixedly arranged on the inner wall of the throwing port. The surface of the electromagnetic valve is sleeved with an air outlet channel, throwing rails are arranged on the two sides of the inner wall of the throwing opening, and control assemblies are fixedly arranged on the top of the inner wall of the mounting frame. Through the power system and angle adjustment, the lifesaving device can achieve long-distance throwing, the laser sighting device and the angle adjusting mechanism are used in cooperation, rescue workers can accurately throw the lifesaving device to the position near a person falling into water, the success rate of rescue is greatly increased, and in actual rescue, even if the person falling into water is far away, the lifesaving device can be used for rescue. Rescue workers can quickly send life buoys or life jackets through accurate aiming and strong power, and precious rescue time is won for drowning people.

The invention discloses a manual friction speed regulation tubular hanging basket type high-rise lifesaving device, and belongs to the technical field of lifesaving devices. The device comprises a rectangular spiral pipe, a hanging basket device, a manual friction speed regulation device and a pull rope, the rectangular spiral pipe is integrally fixed and erected on the ground in a rectangular spiral mode, and the hanging basket device and the manual friction speed regulation device are both installed on the rectangular spiral pipe and can slide on the rectangular spiral pipe; the pull rope is installed on the manual friction speed adjusting device, escape personnel can be matched with the manual friction speed adjusting device and the pull rope to complete sliding speed adjustment of the hanging basket device on the rectangular spiral pipe, sectional type rectangular spiral pipe connection is adopted, installation is convenient, the structure is simple, and the hanging basket device is suitable for escape application of various high-rise buildings.

This invention discloses a portable dual-purpose drowning prevention and rescue device, relating to the field of rescue devices. It solves the problem that existing portable dual-purpose drowning prevention and rescue devices are difficult to stabilize and float the head during use, resulting in inconvenience and inefficiency. The device includes a fixing mechanism, a rescue mechanism, and two sets of arc-shaped tubes. The fixing mechanism includes shoulder pads, fixing components, and connecting components. The rescue mechanism includes an inflatable bladder and a storage tube. The invention uses the fixing mechanism to connect the two sets of arc-shaped tubes into a ring structure that fits around the neck. The fixing components then secure the shoulder pads to the shoulders, preventing the overall structure from loosening. The rescue mechanism controls the inflation and deflation of the high-pressure gas in the storage tube, allowing the inflatable bladder to inflate as needed, floating the head on both sides and ensuring the head remains stable above the water surface, thus improving rescue efficiency. The overall structure is compact, easy to wear and use, and relatively stable after fixing.

The invention discloses a portable swimming pool drowning-prevention lifesaving device, and relates to the technical field of swimming pool drowning lifesaving, the portable swimming pool drowning-prevention lifesaving device comprises a storage shell, the circumferential outer wall of the storage shell is fixedly connected with binding belts, the circumferential outer wall of one binding belt is bonded with a fluff pad, the circumferential inner wall of the other binding belt is bonded with a hook hair pad, and the hook hair pad is fixedly connected with the storage shell. The nap pad and the hook pad are bonded with each other, an air bag is arranged in the storage shell, an air bottle used for supplying air to the interior of the air bag is arranged at the end of the storage shell, and a first release assembly is arranged in the air bottle; a second release assembly is arranged at the end part of the gas cylinder; a displacement assembly used for pushing the air bag out of the interior of the storage shell is arranged in the storage shell. Effective air supply to the air bag is achieved, automatic triggering of the whole device under the drowning condition of a user is completed, the safety of the whole device is further improved, and the use requirement of the user is met.

The invention discloses a flexible lifesaving device for a high-rise building. The flexible lifesaving device for the high-rise building comprises a lattice support, a winch, a bearing disc, a walking mechanism, a lifesaving lift car and a balance weight frame. The lifesaving lift car and the balance weight frame are arranged on the two sides of the lattice support respectively. The winch is arranged at the top end of the lattice support and connected with the lifesaving lift car through a lifting rope. The lifesaving lift car is used for taking escape persons, and the balance weight frame is used for completing balance weight of the high-rise building flexible lifesaving device. The lattice support is connected with a walking mechanism through a bearing disc on the bottom side, and the walking mechanism is arranged on a parapet wall on the top of a building and can move around the parapet wall. According to the device, autonomous escape of trapped residents and rescue of other people can be rapidly and accurately achieved, the device is erected through the building structure, an original building structure is not damaged, and the device is convenient to assemble and disassemble, convenient and fast to use, safe and reliable.

The utility model discloses a widened and lengthened multipurpose paddle board which comprises a paddle board body. A plurality of annular storage grooves are uniformly distributed on the paddle board body; the annular cover plate comprises a first cover body part and a second cover body part, the first cover body part and the second cover body part are rotationally connected in a limiting mode, the arc top of the first cover body part is connected with the annular storage groove in a clamped mode, and the arc top of the second cover body part is rotationally connected with the annular storage groove; according to the surfing paddle board, a sportsman can open and rotate the first cover body part to a limiting angle to form a backrest, the sportsman can sit on the paddle board to carry out water sightseeing, when a life buoy is used, the limiting assemblies are opened, and when the life buoy is used, the sportsman can sit on the paddle board to carry out water sightseeing; the second cover body part is rotated, so that the life buoy can be taken to rescue drowning, multi-purpose use of the paddle board is realized, an overwater lifesaving device is added, and a lifesaving guarantee is provided for drowning risks in overwater sports.

The present invention discloses a reciprocating disaster life-saving device including a mounting hanger (1) attached at a high place and a steel rope winding / reeling winch (2) below the mounting hanger, and two escape gondolas for up-down and down-climbing escape are connected below the steel rope winding / reeling winch via a steel rope (3), the steel rope winding / reeling winch is provided with a floor height positioning device (21), a centrifugal friction reduction device (23) is coaxially provided inside the steel rope winding / reeling winch, an automatic human body weight braking system (41) is provided inside the escape gondola, and the steel rope inside the escape gondola is equipped with the automatic human body weight braking system. In this invention, two escape gondolas move up and down alternately to realize reciprocating self-rescue and mutual rescue escape, different floor heights are positioned by a floor height positioning device, deceleration is controlled by a triple labor-saving mechanism of a centrifugal friction deceleration device and a human body weight automatic braking system, and the human body weight automatic braking system is braked in an emergency by the weight of the escaping person himself to form a self-lock, ensuring the life safety of the escaping person at the same time as the emergency escape.

The present application provides a portable life-saving device and umbrella, wherein the portable life-saving device includes a shell, an air bag, an air supply assembly, and a steel wire rope. The shell is a columnar structure, including a receiving cavity and a cavity cover. The air bag is folded and stored in the receiving cavity. The air supply assembly is accommodated in the receiving cavity and partially exposed outside the shell. The steel wire rope is wound in the receiving cavity. The umbrella includes an umbrella body and a portable life-saving device. The portable life-saving device and umbrella provided by the present application are designed to have a columnar structure that can be held by a user with one hand, and the air bag, air supply assembly, and steel wire rope are arranged in the receiving cavity of the shell. This makes the portable life-saving device small in size and easy to carry. When witnessing a drowning danger, the air bag is quickly inflated to form an airbag through the air supply assembly, allowing the drowning person to float on the water surface by relying on the airbag, and the drowning person is pulled back to the shore through the steel wire rope, so that timely rescue can be achieved, thereby solving the technical problem that witnesses find it difficult to implement timely rescue of drowning people.

The rescue unmanned ship capable of carrying the amphibious unmanned aerial vehicle comprises a ship body, a rescue box and an airborne platform, and the ship body comprises a waterproof pan-tilt camera, a searchlight, a GPS antenna, a cooling fan, an underwater motor, a ship body mounting column, a cabin cover plate, a rotary steering engine and the like; the rescue box comprises a rescue box side door, a side door switch, a rescue box lower door, a lifesaving device and the like. If a plurality of persons are drowning and the rescue capacity of one amphibious unmanned aerial vehicle is limited, the amphibious unmanned aerial vehicle can be carried for rescue, after the amphibious unmanned aerial vehicle is used for rescuing one person, the person can be dragged to the position near the rescue unmanned ship, the rescue box can release the lifesaving device, and the amphibious unmanned aerial vehicle continues to rescue the next person; the overall rescue efficiency is improved, and the best rescue time is prevented from being missed.

The invention discloses a maritime rescue lifesaving device and a method thereof, and belongs to the technical field of maritime rescue. The lifesaving mechanism is arranged on the side face of the lifeboat main body and can rotate on the side face of the lifeboat main body; a horizontal storage mode and a vertical storage mode are arranged between the lifesaving mechanism and the lifeboat main body respectively; when horizontal, the lifeboat main body operates normally; when vertical, the lifeboat main body is in an emergency rescue state. The corresponding rotating handles are inserted into the limiting grooves, control over rotation of the lifesaving plate can be completed, and after the angle is adjusted, the rotating handles are pulled out of the limiting grooves. The lifesaving plate is adjusted to be perpendicular to the lifeboat body, so that the lifesaving plate can be placed below the sea level, and in the emergency rescue process, a drowning person can hold the lifesaving plate to recover physical strength. As shown in the figure, when the lifesaving plate is in a horizontal state, the angle of the lifesaving plate can be fixed by arranging the limiting mechanism on the lifeboat main body.

The utility model relates to the technical field of fire-fighting devices, and discloses an intelligent fire-fighting lifesaving device which comprises a box body, a box door is hinged to the front face of the box body, a driving assembly is arranged on the inner surface of the box body and comprises a motor, and the motor is fixedly connected with the right side of the inner surface of the box body. The output end of the motor is fixedly connected with a rotating shaft through a coupler, the lower end of the rotating shaft is rotatably connected with the bottom of the inner surface of the box body, the outer surface of the rotating shaft is fixedly connected with a first gear, the right side of the first gear is provided with a jacking assembly, the right side of the box body is fixedly provided with a smoke sensor, and the front face of the box door is provided with an electronic lock. And the inner surface of the box body is fixedly connected with a baffle plate. Smoke of a fire disaster is sensed through the smoke sensor, if the fire disaster is sensed, the electronic lock on the box door is opened, the driving assembly is started to drive the jacking assembly to open the box door, and the effect of conveniently using fire-fighting equipment in the box body is achieved.

The invention relates to a flexible ski-jump type rapid life-saving cushion which solves the problems that a life-saving device is large in filling amount, slow in erection and poor in safety. The U-shaped cushion is a frustum-shaped rectangular frame, the lubricating cloth is concave, the lower end of the U-shaped cushion and the lubricating cloth are the same in shape and size and are fixedly connected, a first square pipe and the upper end of the U-shaped cushion are the same in shape and size and are fixedly connected, and a second square pipe and the upper end of the lubricating cloth are the same in shape and size and are fixedly connected. The first mouth-shaped pipe, the second mouth-shaped pipe, the third mouth-shaped pipe and the third mouth-shaped pipe are hollow pipes and are respectively connected and communicated with a plurality of air columns in the same direction, the second mouth-shaped pipe and the third mouth-shaped pipe are communicated through a plurality of air guide pipes, the first mouth-shaped pipe and the second mouth-shaped pipe are connected through an air pressure valve pipe 7, one end of an air inlet pipe is fixedly connected with one air guide pipe, and the other end of the air inlet pipe is fixedly connected with the other air guide pipe. After inflation, the air column connected with the first mouth-shaped pipe is higher than the air column connected with the second mouth-shaped pipe, the air column connected with the second mouth-shaped pipe is higher than the air column connected with the third mouth-shaped pipe, and the lower ends of all the air columns are located on the same horizontal plane. When a person falls down from the high altitude and contacts with the lubricating cloth, under the action of the lubricating oil, the person jumps up sideslip and then falls on the flexible ski-jump type rapid life-saving cushion gently and safely.

The invention belongs to the technical field of rescue equipment, and particularly relates to an inner diameter adjustable flight lifesaving device.A flight life buoy active rescue mechanism comprises a shell, a first cavity and a second cavity are formed in the shell, and the second cavity is located in the first cavity; and an annular notch is formed in the upper end of the inner side wall of the second cavity, a plurality of avoiding clamping grooves are evenly formed in the lower end of the interior of the second cavity, and an adjusting bottom plate is assembled at the lower end of the interior of the second cavity. After a person falling into water wears the device, buoyancy support is provided for the person falling into water through the shell, and the bottom surface of the second capsule film moves under the buoyancy effect and promotes the first capsule film to expand, so that the first capsule film extends out from the interior of the annular notch and is attached to the trunk of the person falling into water; through cooperation of the deformed and expanded first capsule membrane and the shell, surrounding constraining force and distributed balanced buoyancy are provided for people falling into water, so that the device can be suitable for people falling into water with different figures.

The invention belongs to the technical field of flight life-saving rings, and particularly relates to a battery assembly for a flight life-saving device, which comprises a storage part, the storage part comprises a guide rail, and a battery compartment is slidably connected in the guide rail; the driving part comprises a rotating ring, and the inner ring of the rotating ring is fixedly connected with a push plate; the positioning part comprises a lifting rod, the lower end of the lifting rod is movably inserted into the gap of the push plate, an electromagnet is arranged at the upper end of the lifting rod, and a plurality of groups of magnetic suction plates are fixedly connected to the upper end of the inner cavity of the life buoy; and the protection part comprises a storage battery, and protection pads are fixedly connected to the upper side and the lower side of the storage battery correspondingly. According to the life buoy, the battery bin can be driven to move in the life buoy, then the gravity center of the life buoy is controlled, the life buoy can incline or return to balance, a help seeker can conveniently enter the life buoy, and when the life buoy falls into water, the storage battery in the life buoy can be protected, and the situation that the storage battery falls off or is damaged due to too large impact force is avoided.

The invention discloses a mine safety lifesaving device which comprises a supporting frame, a traction mechanism, a transverse guide assembly and a rescue cabin, the supporting frame is erected at the position of a drill hole in the top of a mine and comprises four sets of landfill pipes, four sets of lifting supports and a supporting plate, the periphery of the drill hole in the top of the mine is evenly filled with the landfill pipes, and the four sets of lifting supports are arranged; the four lifting supports are inserted into the four landfill pipes in a penetrating mode respectively, the tops of the four lifting supports are connected with the supporting plate, a penetrating opening is formed in the middle of the supporting plate, the traction mechanism is installed above the supporting plate and comprises a winch and a traction steel cable wound around the winch, and the traction steel cable penetrates through the penetrating opening and is connected with the rescue cabin. The transverse guide assembly is horizontally installed on one side of the supporting plate and comprises an electric push rod, a push plate, a guide plate, a drive motor and a threaded rod. According to the designed lifesaving device, efficient and safe rescue treatment on rescued persons can be achieved, and the rescue efficiency and the automation degree are improved.

The utility model discloses a marine lifesaving device and relates to the technical field of ships, the marine lifesaving device comprises a support, a telescopic mechanism and a hoisting mechanism, the support comprises a supporting column, a mounting arm and a supporting rod, the mounting arm is arranged at one end of the supporting column and obliquely arranged upwards, and the supporting rod is arranged on one side of the supporting column and connected with the mounting arm; the mounting arm and the supporting rod respectively form a first accommodating cavity and a second accommodating cavity, the first accommodating cavity is communicated with the second accommodating cavity, the telescopic mechanism comprises a telescopic arm and a first driving part, the telescopic arm is arranged in the first accommodating cavity in a sliding manner, the first driving part is arranged on the supporting rod, and at least part of the structure of the first driving part is located in the first accommodating cavity; one end of the telescopic arm is in driving connection with the driving end of the first driving part; the hoisting mechanism is arranged on the telescopic arm; according to the technical scheme, a good rescue effect can still be achieved when the ship body jolts, and when the lifesaving object is far away from the ship body, rescue work can be carried out on the lifesaving object in a shorter time.

The utility model provides a lifesaving device for a high-rise building, and relates to the technical field of lifesaving devices, the lifesaving device comprises a lifting mechanism, one side of the outer wall of the lifting mechanism is fixedly connected with a mounting mechanism, the mounting mechanism comprises a mounting plate, one side of the outer wall of the mounting plate is provided with a first embedding groove, and a first fixing block is movably inserted into the inner surface wall of the first embedding groove; two first clamping grooves are formed in the outer surface wall of the first fixing block. According to the escape descent control device, the escape descent control device can be conveniently and rapidly disassembled and assembled under the interaction of all the components of the installation mechanism, and the escape descent control device can be rapidly installed in a relatively safe room when a fire disaster or other emergency situations happen due to the fact that the installation components are arranged in advance in a plurality of rooms, so that an emergency evacuation channel is provided, and safe evacuation of personnel is guaranteed; and the installed escape descent control device has a triple fixing mechanism, accidental falling is effectively prevented, and therefore the reliability and safety of emergency escape are enhanced.

The utility model provides a directional floating lifesaving device, wherein the directional floating lifesaving device comprises a floating body and a current receiving rudder fin, wherein the directional floating lifesaving device has a breaking current direction, the directional floating lifesaving device has smaller water flow resistance in the breaking current direction, wherein the current receiving rudder fin protrudes from the bottom surface of the floating body in the state of being inclined to the breaking current direction, so that when the directional floating lifesaving device is placed in water and water flow is formed based on the relative movement of the directional floating lifesaving device and water in the breaking current direction, the current receiving rudder fin generates directional floating force in the lateral direction of the breaking current direction under the impact of water flow, thereby realizing directional floating under the action of water flow.

The invention discloses a vector pump jet propulsion robot for underwater rescue and a rescue method. The robot comprises an underwater robot body, an electric control system and a lifesaving device. The robot body comprises a multi-section body shell and two vector nozzles which are arranged at the tail part of the body shell in a bilateral symmetry manner; the electric control system comprises a control system core element, a pump spraying module, a visual module and a power supply module which are arranged in the body shell; the control system core element is used for controlling the robot to act; the pump spraying module comprises two pump spraying propellers which are symmetrically arranged left and right and is used for driving the robot to advance underwater; the visual module is used for collecting surrounding environment image information; the power supply module is used for supplying power to each electric device of the robot; the lifesaving device comprises an inflatable lifesaving air bag, a high-pressure carbon dioxide storage tank and an inflation excitation device. The underwater rescue method comprises a single-machine rescue mode and a double-machine rescue mode, and a more efficient, safer and more economical underwater rescue solution is provided.

The application belongs to the technical field of unmanned aerial vehicles, and particularly relates to a flying lifesaving device for water rescue, which comprises an unmanned aerial vehicle body, an installation portion arranged in the unmanned aerial vehicle body and fixedly connected with the unmanned aerial vehicle body, an air storage portion arranged in the middle of the installation portion, lifesaving portions arranged at the lower ends of the two sides of the installation portion and inflated by the air storage portion, and the lifesaving portion comprising an unfolding frame, an unfolding board, an unfolding air bag, a connecting cable, a rotating wheel, a sliding block and a return spring, the unfolding frame being fixedly connected with the installation portion, the unfolding board being arranged in the unfolding frame, one end of the unfolding air bag being fixedly connected with the unfolding frame, the connecting cable being fixedly connected with the unfolding board after penetrating through the unfolding air bag, the sliding block being slidingly arranged in the unfolding frame and fixedly connected with the other end of the connecting cable. The three structures of the rigid frame, the multi-chamber and the unfolding board improve the lifesaving stability and prevent the lifesaving device from rolling over. The waterproof function, the double-mode search function and the sound-light reflection function realize all-time operation.

The invention discloses a high-rise building fire-fighting and life-saving multifunctional device capable of self-locking and staying at any position, and belongs to the technical field of fire-fighting and life-saving devices. The device comprises a rescue capsule, a transmission device, a stand column and a hand-cranking device, the stand column is fixedly erected on the ground, the rescue capsule is installed on the stand column and can freely move in the axial direction of the stand column, the transmission device is installed at the bottom of the rescue capsule, the transmission device is connected with the center stand column, and the hand-cranking device is connected with the center stand column. The hand-cranking device is installed on the transmission device, the transmission device achieves vertical movement and stop at any position of the rescue capsule through gear transmission, self-locking and stop of the device are achieved through worm and gear transmission, efficiency is high, controllability is good, and the device is suitable for various high-rise fire fighting and lifesaving applications.

The present invention discloses an airdropped life-saving device, which includes: the upper raft body and the lower raft body are both folded and placed in a waterproof wrapping for being released; when the life-saving device is airdropped by an aircraft, the life-saving device can be deployed in the air, and after hitting the water, the raft body can be automatically deployed and inflated into shape; a connecting rope is connected to the upper raft body and the lower raft body, and the connecting rope connects the upper raft body and the lower raft body together; the raft body parts and the connecting parts are eye-catching in color and can emit light for position indication, and when floating on the water, they are easy to be discovered by the distressed people. After being airdropped and hitting the water in the upwind area of the distressed people, it can be linearly distributed on the sea surface, changing the traditional point-to-point rescue docking where the distressed people need to swim towards the life-saving device into a line-to-point rescue docking where the life-saving device covers the distressed people linearly, which is conducive to quickly achieving the rescue docking; with the action of the sea wind and waves, the rescue device can float towards the distressed people, effectively saving the physical strength of the distressed people in the rescue docking and greatly increasing the rescue success rate.

The utility model discloses a ship lifesaving device which comprises a placing base and a driving motor, the driving motor is installed in the placing base, a driving shaft is installed at the output end of the driving motor, three sets of rotating arms are arranged on the surface of the driving shaft at equal intervals, linkage arms are arranged at the ends, away from the driving shaft, of the rotating arms, and the linkage arms are connected with the driving shaft. Linkage shafts are arranged at the ends, close to the rotating arm, of the linkage arms, the linkage arms are movably connected with the rotating arm through the linkage shafts, linkage rods are arranged at the ends, away from the rotating arm, of the linkage arms, and three sets of limiting grooves are formed in the surface of the containing base at equal intervals. According to the lifesaving device, the lifesaving device can be conveniently inserted and used, the lifesaving device can be clamped and fixed in an external expansion mode, the situation that a person falling into water cannot place a life buoy on the oxter of the person at the first time, and then secondary drowning is caused is avoided, and the using flexibility and the taking and placing convenience of the lifesaving device are improved.