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33results about How to "Extend the waiting time for rescue" patented technology

Mine safety life-saving capsule

The invention discloses a mine safety life-saving capsule comprising a capsule body. A water tank is arranged on the left side of the lower end of a rest room; a water adding pipe is arranged at the upper end of the water tank; a filtering box is arranged at the upper end of the water adding pipe and installed on the left side of the upper end of the rest room; a water inlet pipe is arranged at the upper end of the filtering box; a flow collecting cavity is formed in the upper end of the water inlet pipe; a plurality of immersion pipes are arranged on the flow collecting cavity; a ventilation pipe is further arranged at the upper end of the rest room; a ventilation device is arranged at the upper end of the ventilation pipe; damping devices are arranged at the upper end of the capsule body in a bilaterally-symmetrical mode; a protective cover is arranged at the upper ends of the damping devices; the damping devices each comprise a supporting column and a telescopic rod; damping springs are arranged on the outer sides of the telescopic rods and the supporting columns; the upper ends of the damping springs are connected with the protective cover, and the lower ends of the damping springs are connected with the capsule body; and a dust prevention cover with the upper end and the lower end being connected with the protective cover and the capsule body correspondingly is arranged on the outer side of each damping spring. The mine safety life-saving capsule is simple in structure, convenient to use, high in safety, good in ventilation effect, capable of collecting purified water and diverse in function.
Owner:汪振辉

Multifunctional marine lifesaving device

The invention discloses a multifunctional marine lifesaving device which comprises an inflation air bag for serving as a temporary shelter place, a wind power generation system, a wave power generation system, a positioning and navigation system, a solar cell panel and electric heating pipes. The inflation air bag is of a double-layer structure, and a switch valve, a manhole and a breather valve are respectively arranged on the inflation air bag. The wind power generation system is arranged outside the inflation air bag. The positioning and navigation system is arranged at the top of the inflation air bag. The solar cell panel is arranged outside the inflation air bag. The electric heating pipes are arranged in an inflation air bag interlayer. The multifunctional marine lifesaving device is simple in structure and convenient to operate, can rapidly provide a warm and food-supplying safe place where fresh air can be provided, positioning can be performed and the danger can be avoided for persons in distress after marine perils occurs, the time for waiting for rescue is prolonged, and the survival rate of the persons in distress is improved.
Owner:徐浩然

Inflatable-opening-closing type offshore lifesaving device

The invention discloses an inflatable-opening-closing type offshore lifesaving device which comprises a floating airbag, a lifesaving cabin and a sealing assembly. The floating airbag is arranged at the bottom of the lifesaving cabin, and an inlet is formed in the upper end of the lifesaving cabin; an annular mounting groove is formed in the inner side of the periphery of the upper end of the lifesaving cabin; the sealing assembly comprises a connecting plate, an inflating air pump and a clamping airbag; an air flowing channel is formed in the connecting plate, and the inflating air pump is arranged at the bottom of the connecting plate; the inflating air pump is communicated with the air flowing channel, and a connecting ring groove is formed in the periphery of the connecting plate and is communicated with the air flowing channel; and the clamping airbag is of an annular structure, the inner side of the clamping airbag is fixedly communicated with the outer side of the connecting ring groove, and the clamping airbag is clamped and installed in the annular installing groove at the upper end of the lifesaving cabin. The opening and closing mode is safe.
Owner:东台市海一船用设备有限公司

Fireproof door with smoke removal and fire fighting functions

The invention discloses a fireproof door with the function of removing smoke and extinguishing fire. A water injection hole and a water spray hole are provided, and a baffle is arranged at the water spray hole, and a thermal sensor, a controller and a temperature alarm device are fixed on the inner side of the door panel, and the controller is respectively connected with the thermal sensor, the temperature alarm device, and the induction switch; The inner door panel of the above-mentioned door leaf is also provided with a smoke alarm. The invention is provided with a water holding layer, a water injection hole, a water spray hole, an induction switch, a fireproof layer, a temperature alarm device and a controller. , and transmit the temperature information to the controller. When the temperature is higher than the normal value, the controller transmits the opening signal to the alarm device and the sensor switch, and the alarm device sends out an alarm to remind people of danger.
Owner:DUJIANGYAN JINXIANG DECORATION ENG

Earthquake life-saving bed

The invention discloses an earthquake life-saving bed which comprises a bed body, wherein the interior of the bed body is divided into a refuge chamber, an equipment chamber and a storage chamber; a bed plate is arranged at the top of the refuge chamber; bearing plates are arranged on the two sides of the bed body; a secondary bed plate is arranged above the bearing plates; the bed plate and the bearing plates are mounted together with the bed body in a matching manner through rotating shafts; the rotating shafts of the bearing plates and the bed plate are respectively connected with a rotating motor through driving mechanisms; a rack is arranged at the bottom of the secondary bed plate; the rack is mounted together with a gear at the shaft end of the rotating motor in a matching manner; a GPS locator, a signal emitter, a PLC and a battery are arranged in the equipment chamber; the rotating motor and the input end of the signal emitter are electrically connected with the output end of the PLC. The earthquake life-saving bed has the advantages of initiative detection, multiple defense, and the like, and is capable of reducing the injury degree of the refugee in the earthquake.
Owner:吴飞越

Simple sea survival airship

The invention discloses a simple sea survival airship. The body structure of the simple sea survival airship is formed by an air sac and a pod, wherein the air sac is filled with helium to provide buoyancy, and the pod is suspended on the sea surface; the simple sea survival airship is provided with a wind surf, a rudder, an operation board, a medical box for providing emergency treatment articles, a wind-power and solar-energy dual power generation system, a seawater desalinating device, a storage cabinet for storing necessary food and tools and a foldable bed for providing a rest area, wherein the wind surf, the rudder and the operation board can adjust the direction of the airship, and the airship advances in the favorable direction through a positioning device; the wind-power and solar-energy dual power generation system is used for supplying power to an electric warmer and converting power energy into heat energy for supplying heat; the seawater desalinating device is used for filtering seawater into drinkable fresh water through a reverse osmosis membrane under driving of the power energy. The simple sea survival airship is simple in structure and convenient to operate, and can rapidly provide a safe place capable of eluding sea waves and sea biology infringements, capable of positioning and navigation, warming and capable of supplying food and medicine for persons in distress after sea perils occur, rescue waiting time is prolonged, and the survival rate of the persons in distress is increased.
Owner:徐浩然

Rotary and stable energy-dissipating type offshore lifesaving device

The invention discloses a rotary and stable energy-dissipating type offshore lifesaving device which comprises a floating plate, a lifesaving cabin, a sealing assembly, rotating blades, a positioningring and rotating shafts. A plurality of lower semicircular grooves are formed in the upper end of the periphery of the floating plate, and a plurality of upper semicircular grooves are formed in thelower end of the positioning ring; the positioning ring fixedly covers the upper end of the periphery of the floating plate, and the upper semicircular grooves and the lower semicircular grooves are in butt joint to form circular cavities; an annular gap is formed between the edge of the lower end of the positioning ring and the edge of the upper end of the floating plate; the annular gap is communicated with the circular cavities, one ends of the rotating shafts are rotationally connected in the circular cavities, and the other ends of the rotating shafts extend out of the annular gap and then are fixed to the centers of the rotating blades. The conversion of the pushing force is realized, the overturning risk of the lifesaving cabin is effectively avoided, and the stable performance of the lifesaving cabin is improved.
Owner:东台市海一船用设备有限公司

Fire-fighting early warning fire extinguishing system and method based on artificial intelligence

InactiveCN110711332AQuick command evacuationReduce casualtiesFire rescueMachine controlControl engineering
The invention discloses a fire-fighting early warning fire extinguishing system and method based on artificial intelligence. The fire-fighting early warning fire extinguishing system comprises a maincontrol table, wherein a display screen, a fire-fighting head spray head control module, a microphone module, a fire hydrant indicating lamp, an intelligent lock state display module, a fire-fightingchannel door machine control module, a smoke discharge channel control module and a second emergency call intercom module are connected to the main control table; the microphone module is connected with the main control table through a microphone switch module; the fire hydrant indicating lamp is connected with the main control table through a fire hydrant electromagnetic valve control module; theintelligent lock state display module is connected with the main control table through an intelligent lock control module; a mark display module is connected to the second emergency call intercom module; and a network communication module is connected to the main control table. The fire-fighting early warning fire extinguishing system and method have the beneficial effects that related personnelon site can be quickly commanded to evacuate, the situation of disordered evacuation is reduced, casualties are reduced, and the hope of surviving is increased.
Owner:ZHEJIANG SHUREN UNIV

Shelter device for burst and emergency life support and preparation method for housing

The invention discloses a shelter device for burst and emergency life support and a preparation method for a housing, relating to a shelter device for burst and emergency life support. A heatproof steel plate is adopted for the outer surface of the housing of the shelter device, an aviation aluminum plate is adopted for the inner surface of the housing of the shelter device, a shock absorption spring is uniformly distributed between the heatproof steel plate and the aviation aluminum plate, the pedestal of the shock absorption spring is connected with the heatproof steel plate, the shock absorption spring penetrates through the heat insulation material and the flame resistant material, and the top end of the shock absorption spring is fixedly arranged on the aviation aluminum plate through nuts. A quake-proof composite structure is formed by the above parts, and the heads and the tails of a plurality of quake-proof composite structures are welded to form the housing of the shelter device. Since a plurality of measures are adopted, people hit by a natural adversity or suffering people are enabled to be separated from the outside, and meanwhile by the adoption of a plurality of communication measures, people hit by the natural adversity or suffering people can be enabled to be in communication with the outside; and advanced measures of oxygen manufacturing, space purification, food supply, water supply, basic medical treatment, power supply guarantee and the like, people hit by the natural adversity or suffering people can maximally prolong the time waiting for rescue in the shelter device.
Owner:刘碧波 +1

Mine safety rescue belt device

The invention discloses a mine safety rescue belt device. The mine safety rescue belt device comprises a protective seat, wherein the side wall of one side of the protective seat is cambered. When themine safety rescue belt device is used, firstly, substances such as emergency medicine, medical bandage, high-energy food and the like are respectively placed in storage barrels and are in threaded connection with openings through threaded rods so as to seal the storage barrels, then a fixed rod is driven to move by a lifting handle, a plurality of storage barrels are placed in a plurality of placing grooves, the lifting handle can be loosened at the moment, so that the fixed rod is reset under reverse drawing of a tension spring, a plurality of positioning blocks are driven to respectively enter positioning grooves so as to fix the storage barrels, then a belt head is buckled with a belt fixing hole, the protective seat is placed on the back waist of a human body through a belt, so thatthe waist of a miner and internal storage barrels are protected by the protective seat while the protective seat is carried, and the possibility of loss of a safety rescue device is avoided.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Sea rescue device

The invention provides a sea rescue device. The sea rescue device comprises a first air inflating bag, a second air inflating bag, an inflating device, a plurality of detecting devices, a warning device, an oar rowing assembly and an electricity supply device, wherein the first air inflating bag and the second air inflating bag are symmetrically arranged based on a connecting part, and mutually communicate; sleeping bags are respectively and fixedly mounted in the first air inflating bag and the second air inflating bag; the inflating device communicates with the first air inflating bag and the second air inflating bag; the detecting devices are used for detecting the position of a surrounding obstacle and judging the relative position of the first air inflating bag and the obstacle as well as the relative position of the second air inflating bag and the obstacle; the warning device is connected to each detecting device; the oar rowing assembly comprises a bracket, a rowing oar and a third air inflating bag; the bracket is fixed to the connecting part; the rowing oar is detachably fixed to the bracket; the third air inflating bag is fixed to the bracket based on a rope; a groove isformed in the third air inflating bag; the electricity supply device comprises an electricity generating module and an electricity storing module connected with the electricity generating module; andthe electricity storing module is connected to the warning device, each detecting device and a heating device.
Owner:HUANGHE S & T COLLEGE

Outfiring chair rail

The invention discloses an outfiring chair rail. The outfiring chair rail comprises a chair rail sleeve with a carbon dioxide transmitting aperture, an inner cavity for accommodating a carbon dioxidegenerating pack, and a gear lifting mechanism for rising and falling the chair rail sleeve, the gear lifting mechanism comprises a connecting part fixedly arranged in the chair rail sleeve, a liftingrod with a first gear on the end part, a second gear perpendicularly engaged with the first gear, a rotary rod penetrating through and fixedly arranged on the second gear, a manual handle fixedly connected with the rotary rod, and a support seat for bearing the rotary rod, the lifting rod is provided with an outer thread, the connecting part is provided with inner thread matched with the outer thread, when the manual handle is rotated, the chair rail sleeve is driven to make linear motion upwards along the lifting rod through the connecting part, the carbon dioxide generating pack is broken torelease carbon dioxide for emergency protection in fire hazard, fire around is reduced, time for waiting for rescue is prolonged, and labor is saved for taking.
Owner:福州启辰阳光建材有限公司

Maritime survival device based on floating plate movable connection

InactiveCN108583816AAvoid the risk of being prone to collision breakageEasy to disassemble and replaceLife-savingEngineering
The invention discloses a maritime survival device based on floating plate movable connection. The maritime survival device comprises a floating plate, a survival capsule and a closing assembly. The floating plate is mounted at the bottom of the survival capsule, and a threaded groove is formed in the upper end of the floating plate. A threaded column is arranged at the bottom of the survival capsule, and the survival capsule is mounted in the threaded groove in the upper end of the floating plate in a threaded mode through the threaded column at the bottom. The maritime survival device floatsthrough the floating plate, the risk that an air bag is prone to being collided and then broken is avoided, the floating plate and the survival capsule are movably connected through the threaded column and the threaded groove, and floating plate dismounting and replacement are convenient accordingly.
Owner:东台市海一船用设备有限公司

Safe escape window

The invention discloses a safe escape window, and particularly discloses a domestic high-rise escape device. The safe escape window comprises a burglar mesh, a smoke sensor, a temperature sensor and an airbag fireproof cover. The safe escape window is provided with an escape door, the escape door is connected with the burglar mesh through a hinge, the escape door and the burglar mesh are locked byusing an electromagnetic lock, and a pin shaft of the hinge is made of fusible alloys. The safe escape window can prevent the burglar mesh from becoming an obstacle of escape in case of fire, peoplecan escape from danger in time, and lives are saved.
Owner:河南金土商贸有限公司

Unattended intelligent self-service library device

The invention belongs to the technical field of self-service libraries and in particular to an unattended intelligent self-service library device, comprising a self-service library body, wherein the self-service library body is provided with smoke sensors on its both sides; the self-service library body is provided with a height increasing seat on its bottom; the height increasing seat is providedtherein with an empty groove; and the empty groove is provided therein with a main hydraulic rod. The unattended intelligent self-service library device is provided with motors and the smoke sensors.When the smoke sensors on both sides of the self-service library body detect a fire source, a controller determines whether to rotate a motor, which is electrically connected with the smoke sensor that detects the smoke first, forward or backward according to an actual situation, and elongates the main hydraulic rod to move a wheel group down in order to raise the self-service library body. The motor rotates the wheel group so that the self-service library body moves away from the fire source, thereby prolonging the rescue waiting time and reducing the probability of burning the self-servicelibrary body.
Owner:何磊

Search-and-rescue automatic compressed oxygen self-rescuer

The invention provides a search-and-rescue automatic compressed oxygen self-rescuer. The self-rescuer and a distress signal generator are combined, a motor drive key is started when a user encountersdanger, and the distress signal generator works and sends a distress signal with a certain frequency and a motor drive command to drive a motor; the motor is utilized for driving an opening valve of acompressed oxygen bottle in the self-rescuer for supplying oxygen; the way that the motor drives the opening valve replaces a way that a rotary knob outer protection plate is manually opened, and a manual rotary knob is manually operated to open the opening valve of a compressed oxygen bottle, so that semi-automatic opening is realized; a sound-light alarm alarms in an interval type, and is at astandby state after a startup-shutdown start key is started so as to meet the requirement on correspondingly starting self-rescuing at any time, so that the standby power consumption is maximally reduced, unnecessary power consumption is reduced, and the functions of energy conservation and consumption reduction are realized; and the search-and-rescue automatic compressed oxygen self-rescuer provided by the invention is simple in structure and low in power consumption, the user can ask for help when encountering danger, and the rescue waiting time of persons in distress is greatly improved.
Owner:东方思创应急装备科技无锡有限公司

Mining lamp with flasher

The invention relates to a safety lamp, with flash light source. Wherein, the accumulator via switch circuit is connected to the main and auxiliary light sources; the switch circuit comprises control press-key, micro processor and a switch control element; one end of control press-key is connected to the I / O input port of micro processor; two I / O output ports of micro processor are connected to trigger control ports of two switch control element; said outputs of switch control elements are independently serially connected to the main and auxiliary light sources to be connected between two poles of accumulator. In the command condition or over the preset time, the safety lamp will automatically switch into flash condition of auxiliary light source; in special condition, it can prolong the light time, to prolong the rescue time. The invention has simple circuit, with wider application.
Owner:张胜利

Multifunctional safety protection air bag

The present invention relates to a multifunctional safety protection airbag, which comprises a main airbag, at least a part of the inner side of the main airbag is inwardly recessed to form an inner concave accommodation space, the inner concave accommodation space has an opening, and the inner concave A secondary airbag corresponding to the opening is supported in the placement space, and the secondary airbag closes the opening. The multifunctional safety protection airbag of the present invention can be folded on the seat or carried on the user's body like a backpack after being folded when not in use, and can be quickly inflated and opened when danger occurs, isolating people in distress in the airbag, Thereby the whole body of the person is protected through the airbag.
Owner:付长彪

Rescue life jacket capable of being changed into lifeboat

The invention relates to the technical field of rescue equipment, in particular to a rescue life jacket capable of being changed into a lifeboat, the rescue life jacket comprises two symmetrical jacket bodies, an adjusting device is connected between the jacket bodies, one end of one jacket body is fixedly connected with a storage bag, the other end of the other jacket body and the other end of the storage bag are fixedly connected with an inner air bag, and the inner air bag is connected with the outer air bag. According to the rescue life jacket, whether the jacket body falls into water is detected through the detector, when it is detected that the jacket body falls into water, the outer air bag is continuously inflated, and when the outer air bag is filled with air, the inner air bag is continuously inflated, so that it is guaranteed that the formed lifesaving boat faces upwards; in this way, danger caused by the fact that the head of a person faces downwards due to the fact that the lifeboat faces downwards can be prevented, articles needed by life are formed in the storage bag behind the boat to supplement energy, the person can have longer time for waiting for rescue, and each lifeboat can be connected with other lifeboats to become a large boat.
Owner:义乌市楚序贸易有限公司

Manual alarm module

The invention provides a manual alarm module, which is installed inside the compressed oxygen self-rescuer, including: a power supply, a single-chip microcomputer, an alarm prompt module, and a device state detection module, and the power supply is electrically connected with the single-chip microcomputer, the alarm prompt module, and the equipment state detection module, for providing Its operating current; the single-chip microcomputer selects a chip with sleep mode, and the pin of the wake-up function of the single-chip microcomputer is connected to the equipment status detection module for receiving equipment status information; the signal output pin of the single-chip microcomputer is connected with the alarm prompt module, The pin connected with the alarm prompt module also has a wake-up function. The present invention is inside the self-rescuer. When the self-rescuer is started when it is in danger, the trigger element installed on the device triggers the detection circuit and sends an abnormal command to the single-chip microcomputer. The single-chip microcomputer sends The alarm command controls the sound and light alarm; combined with the self-rescuer, it can enable the user to ask for help when in distress, and also greatly improve the waiting time for the rescue.
Owner:东方思创应急装备科技无锡有限公司

Ship escape equipment

The invention discloses ship escape equipment, and relates to the technical field of life-saving equipment, the ship escape equipment comprises a base, the top of the base is hermetically connected with a telescopic cover, the top of the telescopic cover is hermetically connected with a protective ring, and the top of the protective ring is detachably connected with a top cover; a fixed locking assembly is arranged between the base and the protective ring; a partition plate is arranged in the base and divides the interior of the base into an equipment bin and a storage bin, and an openable bin cover is arranged on the storage bin; a controller with a built-in power supply and a fresh water purifier connected with the controller are arranged in the equipment bin, a water inlet communicated with the water inlet end of the fresh water purifier is formed in the side part of the base, the water outlet end of the fresh water purifier is connected with a drinking water pipe, and the drinking water pipe extends into the telescopic cover; the top cover is provided with a breathing tube. The escape device has the advantages of being capable of being stored, small in occupied space and capable of playing a role in protecting escape persons after escape and providing supply for the escape persons, and the survival probability of the escape persons can be increased.
Owner:天长市蓝天船舶设备制造有限公司

A kind of multifunctional aquatic first aid kit

The invention relates to a multifunctional first aid kit on water, which includes a box body and a box cover, and the box cover is provided with a photovoltaic power generation panel and an operation panel, and the operation panel includes an air supply assembly, a signal assembly and a power supply assembly; the box The body includes a first chamber, a second chamber and a third chamber. The third chamber is located at the bottom of the box and is equipped with a battery connected to a photovoltaic power generation panel. The first chamber and the second chamber The chamber is arranged above the third chamber, and an oxygen generating device is vertically installed in the second chamber, and the oxygen generating device includes an oxygen pipe, a hydrogen pipe and a water inlet pipe between the two, the oxygen pipe and the The bottoms of the hydrogen pipes communicate with the bottoms of the water inlet pipes respectively. The bottom of the oxygen pipes is provided with a positive electrode electrolysis head, and the bottom of the hydrogen pipes is provided with a negative electrode electrolysis head. The oxygen generator is connected with the gas supply assembly on the operating panel. A wire groove is provided between the third chamber and the first chamber, and floating blocks are inserted symmetrically on both sides of the wire groove.
Owner:李爱群

Water circulation type dust removal spraying device based on underground operation in coal mine

The invention discloses a water circulation type dust removal spraying device based on an underground operation in a coal mine. The water circulation type dust removal spraying device comprises a shield mechanism, and is characterized in that a separation mechanism is arranged behind the shield mechanism; an extrusion mechanism is arranged above the separation mechanism; the shield mechanism is connected with the separation mechanism through a pipeline; the separation mechanism is connected with the extrusion mechanism through a pipeline; the shield mechanism comprises a shield machine base; a shield shaft is arranged in the middle of the shield machine base; a plurality of elastic rods are arranged outside the shield shaft in a surrounding mode; the other ends of the elastic rods are all connected with shield assemblies; each shield assembly comprises a roller; shield teeth are arranged outside the roller, and a rotating shaft is arranged in the roller; a round sleeve is hinged to the lower portion of the rotating shaft; a plurality of sets of fixing sleeves are arranged on the outer portion of the round sleeve in a surrounding mode; the interior of each fixing sleeve is in piston connection with a sharp strip; and a sliding nail is arranged on the surface of each sharp strip. The device has the characteristics of improving the quality of mined coal mine and having strong capability of coping with mine disasters.
Owner:谢火仟

Inflatable multifunctional life jacket for survival of victims

ActiveCN114655392AGuaranteed floating effectSave body temperatureClimate change adaptationFire rescueAcetic acidEngineering
The inflatable multifunctional life jacket comprises a life jacket body, a gas generation module, an oxygen supply breathing module, a positioning alarm module and a heat preservation module, the gas generation module comprises a plurality of reaction chambers and a gas supply pipe, and the reaction chambers are used for rapidly generating gas to inflate the life jacket body; the oxygen supply breathing module comprises an oxygen supply chamber, an oxygen supply pipe and an oxygen supply mask, the oxygen supply chamber generates oxygen for a person falling into water to inhale, a potassium superoxide cavity and an acetic acid aqueous solution cavity are formed in the oxygen supply chamber, and the oxygen supply pipe is communicated with the potassium superoxide cavity and the acetic acid aqueous solution cavity. A partition plate for communicating the potassium superoxide cavity with the acetic acid aqueous solution cavity is connected between the potassium superoxide cavity and the acetic acid aqueous solution cavity in a sliding manner and is connected with a pull rope; the positioning alarm module is fixed to the back of the life jacket body, a trigger switch is arranged on the positioning alarm module and connected with the pull rope, and a heat preservation layer is fixedly connected to the inner side of the life jacket body.
Owner:HENAN POLYTECHNIC UNIV

A mine safety self-rescue belt device

The invention discloses a mine safety rescue belt device. The mine safety rescue belt device comprises a protective seat, wherein the side wall of one side of the protective seat is cambered. When themine safety rescue belt device is used, firstly, substances such as emergency medicine, medical bandage, high-energy food and the like are respectively placed in storage barrels and are in threaded connection with openings through threaded rods so as to seal the storage barrels, then a fixed rod is driven to move by a lifting handle, a plurality of storage barrels are placed in a plurality of placing grooves, the lifting handle can be loosened at the moment, so that the fixed rod is reset under reverse drawing of a tension spring, a plurality of positioning blocks are driven to respectively enter positioning grooves so as to fix the storage barrels, then a belt head is buckled with a belt fixing hole, the protective seat is placed on the back waist of a human body through a belt, so thatthe waist of a miner and internal storage barrels are protected by the protective seat while the protective seat is carried, and the possibility of loss of a safety rescue device is avoided.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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