Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

102results about How to "Achieve self-help" patented technology

Self-help lift safety gear

The invention discloses a self-help lift safety gear comprising an original safety gear of a lift. The original safety gear comprises a frame support, a funnelled groove is arranged in the support, and a lift lead rail is located in the groove; both sides of the lift lead rail in the support are provided with wedge blocks matched with the lift lead rail and the groove, and the wedge blocks are connected with a speed governor of a lifting and pulling mechanism. The invention is characterized in that a set of safety gears are added below the original safety gear; the safety gear is connected with the lower safety gears in series from top to bottom; a retractor device controlled by a control system is arranged between the safety gear and the lower safety gears. The lower safety gears comprise a lower frame-shaped support in which a lower groove is arranged; the lift lead rail is arranged in the lower groove; two sides of the lift lead rail in the lower support are provided with lower wedge blocks matched with the lift lead rail and the lower groove, and the lower wedge blocks are also connected with the speed governor rope of the lifting and pulling mechanism. The self-help lift safety gear can hold the lift lead rail to gradually climb when the lift is in a failure, and thus, a lift car can climb to the door opening position to open the lift car door so as to reach the self-help purpose.
Owner:沈皆乐

Small multi-purpose crane

The invention discloses a small multi-purpose crane, comprising a hoisting arm, a rotary frame, a flexible drive device, a lifting drive device, a sleeve and a bracket, wherein a support platform is arranged above the rotary frame, two sides of the rotary frame are provided with sliding channels, and a centre column is arranged below the rotary frame in a welding way. The centre column penetrates through the sleeve, and the sleeve is connected with the bracket. The hoisting arm comprises a pair of parallel sliding rods and cross beams which are welded at the front sides and the rear sides of the sliding rods. The sliding rods of the hoisting arm are sleeved in the sliding channels at the two sides of the rotary frame. The flexible drive device comprises a motor No.1, a speed reducer No.1, a driving gear No.1, a driven gear No.1, a screw lead, a nut and a hand wheel. The lifting drive device comprises a motor No.2, a speed reducer No.2, and a winch. The winch is formed by coaxially connecting two winding drums, a steel wire rope is wound on each winding drum, and the steel wire rope is connected with a hang hook after bypassing a fixed pulley. The small multi-purpose crane is flexible and convenient to use. The hoisting arm is flexible, and the turning radius is small, so that the hoisting arm can be applied indoors or outdoors and can be used for hoisting medium-and-small sized objects.
Owner:王辉

Floatable tracked ice notching vehicle

The invention discloses a special ice notching vehicle which can be matched with an ice breaker for use, and can notch a stress trough on ice, and float in water and climb to the ice when falling into water. A floatable tracked ice notching vehicle consists of a tracked vehicle 1, ice notching devices 2, and watertight floatation tanks 3. Each ice notching device 2 consists of a plurality of notching saw blades which are positioned on a longitudinal facade in the vehicle. All non water-proof equipment is subjected to watertight treatment. The vehicle is provided with a plurality of watertight floatation tanks 3, so the flotage meeting the design requirement can be provided for the floatable tracked ice notching vehicle; meanwhile, the longitudinal gravity center of a finished vehicle is designed at the rear of the longitudinal floatation center of the finished vehicle, so the floatation state of the vehicle in water is an inclined state that a head is high and a tail is low; and therefore, the floatable tracked ice notching vehicle can climb to the ice from water under the action of the power of the vehicle to realize self rescue. Two stress troughs are notched on the ice in front of the ice breaker by using two floatable tracked ice notching vehicles; and due to the stress troughs, the ice breaking capacity of the ice breaker is greatly improved.
Owner:汪砚秋

Self-rescuing system and method for water falling of automobile

The invention discloses a self-rescuing system and method for water falling of an automobile, belonging to the field of electronic rescue of automobiles and being used for solving the problem of automobile and personal safety generated because the automobile falls into water. The self-rescuing system is technically characterized by comprising a sensor array, a vehicle-mounted water falling detecting ECU device and an air sac inflating device, wherein the sensor array is composed of a plurality of liquid pressure sensors; the liquid pressure sensors are distributed on positions located at the periphery of an automobile body and communicated with the outside and is used for detecting a liquid pressure value at the periphery of the automobile body when the automobile falls into water; the vehicle-mounted water falling detecting ECU device is used for acquiring the liquid pressure value at the periphery of the automobile body in real time, and the liquid pressure value at the periphery of the automobile body is transmitted by each liquid pressure sensor; and when a numerical value acquired by a certain liquid pressure sensor is detected to exceed a limit value, an igniter in the air sac inflating device corresponding to the liquid pressure sensor is started by the water falling detecting ECU device so that an air sac generates nitrogen gas and expands. The self-rescuing system has the effects that the nitrogen gas expands due to the adoption of the air sac inflating device, so that the automobile cannot sink. Thus, the aim of self-rescuing can be achieved because the automobile automatically floats on the water surface when the phenomenon that the automobile falls into water happens.
Owner:DALIAN ROILAND SCI & TECH CO LTD

Double-layer firefighting escape tunnel

InactiveCN107642377ASolve problems such as inability to escapeOvercome problems such as inability to escapeMining devicesDust removalFirefightingEngineering
The invention relates to the field of tunnel technical control, in particular to a double-layer firefighting escape tunnel which comprises a concrete shell with a circular section, an anti-seepage protective layer, an upper-layer travel lane, a lower-layer travel lane, a lower-layer smoke exhaust channel, ventilating and lighting systems, traffic lamps, vertical bearing walls, an upper-layer smokedischarge channel, anti-collision protective pads, fireproof heat-insulation walls, escape channels, a gravel and coarse sand layer, firefighting water spray devices, lane structure bottom plates, fireproof sensing and alarm systems, an upper-layer escape channel, a lower-layer escape channel, through holes, smoke exhaust machines, waterproof cloth and a special cabin for sponge cities. The double-layer firefighting escape tunnel has the advantages that the continuous anti-seepage protective layer is arranged on the outer side of the concrete shell with the circular section, the upper-layer travel lane is arranged on an upper layer of the double-layer firefighting escape tunnel, the lower-layer travel lane is arranged on a lower layer of the double-layer firefighting escape tunnel, accordingly, the problems that personnel in tunnels cannot escape from danger at present due to accidents such as collapse, fire hazards or blocked tunnel exits and the like can be effectively solved by theaid of the double-layer firefighting escape tunnel, and personnel in the double-layer firefighting escape tunnel can effectively save themselves when danger and accidents occur.
Owner:SHENYANG JIANZHU UNIVERSITY

Autonomous orbit reprogramming method of spaceflight aircraft

The invention relates to an autonomous orbit reprogramming method of a spaceflight aircraft. The method comprises the following steps that spacecraft state information is acquired; out-of-tolerance of an orbit is calculated according to the state information; whether reprogramming is performed is judged according to the out-of-tolerance situation, flying according to the normal default orbit is performed if the out-of-tolerance situation does not occur, and ballistic reprogramming is performed if the out-of-tolerance situation occurs; the minimum i value corresponding to an accessible target orbit parameter in an orbit parameter library is judged according to the order of priority, and the preselected orbit corresponding to the minimum i value acts as a new target orbit; and the aircraft is controlled to fly according to the new target orbit. The spaceflight aircraft is creatively enabled to have the autonomous orbit reprogramming capacity so that self-rescuing under the fault state can be realized, the expected target is completed under the fault situation and the economic loss can be reduced and the safety risk can be reduced; and the manpower and material resource cost can be reduced through the autonomous mode without depending on ground equipment and personnel.
Owner:BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1

Mining operation safety rescue device based on internet of things

The invention discloses a mining operation safety rescue device based on the internet of things. The mining operation safety rescue device comprises a device body. A rescue capsule is fixedly connected into the device body, and a crawler is arranged on the surface of the device body. One side of the device body is fixedly connected with a driving engine which is in transmission connection with thecrawler through driven wheels arranged at the two ends of the device body. Design is reasonable, use is convenient, by arranging a supporting rod and a buffer spring which are made of stainless steel, an antenna of an internet-of-things module is constituted, and thus the signal receiving range is increased; by arranging the device body of a ship-shaped structure, the gravity center of the deviceis lowered; by arranging a transmission structure with the crawler, action ground-holding force is increased, and advancing in a mine is facilitated; by arranging a drill bit, tunneling is conductedon the landslide position advantageously, and thus self-rescue can be achieved; by arranging an upper cover of a spherical structure, impact force can be dispersed through the spherical structure, andthus the anti-impact effect is improved; and the mining operation safety rescue device is compact in structure and suitable for being widely popularized.
Owner:GUIZHOU INST OF TECH

Shield tunneling machine with end face freezing system and protection method thereof

The invention discloses a shield tunneling machine with an end face freezing system and a protection method thereof. The shield tunneling machine comprises a cutterhead, a front shield, a central rotating body, a quick pipe connecting device and a refrigerator system; at least one cutterhead freezing pipe is arranged on a radial plate of the cutterhead; each cutterhead freezing pipe is embedded into square steel on the inner side of the cutterhead, a cutterhead center block is connected behind the cutterhead, a center revolving body is connected behind the cutterhead center block, the middle of the center revolving body is connected with a main drive, the main drive is connected with the cutterhead, and a center revolving body freezing pipe is connected behind the center revolving body. The beneficial effects of the invention are as follows: the worn cutter of the shield tunneling machine can be replaced in special stratums and special districts where cutter replacement operation cannot be carried out in a conventional method, self-rescue of the shield tunneling machine is achieved, cutter replacement operation of the shield tunneling machine under underground complex geological conditions is improved, the method is not limited by ground space and geological conditions, and the safety of underground space excavation operation is improved.
Owner:CSSC HEAVY EQUIP CO LTD

Fire-fighting rescue method and device based on unmanned aerial vehicle and monitoring robot

InactiveCN110075461AAchieve self-helpMaster the global status in real timeFire rescueUncrewed vehicleEngineering
The invention relates to the technical field of fire fighting, in particular to a fire-fighting rescue method and device based on an unmanned aerial vehicle and a monitoring robot. The fire-fighting rescue method based on the unmanned aerial vehicle and the monitoring robot comprises the following steps that when smoke alarm data sent from a smoke alarm are received, rescue coordinates, acquired by a GSP positioner, of the monitoring robot are acquired in real time; and rescue request information containing the rescue coordinates is sent to a control center, wherein the rescue request information is used for triggering the control center to schedule the unmanned aerial vehicle loaded with a global thermal infrared imager and used for releasing gas masks, the gas masks are provided with mask positioners and mask thermal infrared images, and the unmanned aerial vehicle is used for acquiring a global thermal infrared image of an area corresponding to the rescue coordinates through the global thermal infrared imager and sending the global thermal infrared image to the control center in real time. According to the fire-fighting rescue method and device based on the unmanned aerial vehicle and the monitoring robot, when the smoke concentration in the environment exceeds the standard, the unmanned aerial vehicle is scheduled in time to release the gas masks to rescue trapped people, and the thermal infrared image is transmitted in real time through the unmanned aerial vehicle to enable workers to know the global situation in real time.
Owner:NANYANG NORMAL UNIV

Lift cage door lock device

The invention relates to a lift cage door lock device. The lift caged door lock device comprises a portal crane main plate and a gantry crane plate, wherein a main door cutter mechanism is installed on the gantry crane plate, a secondary door cutter mechanism is fixed on the right blade of the main door cutter mechanism, the secondary door cutter mechanism comprises a bottom plate and a connecting rod mechanism installed on the side of the bottom plate, and a latch hook is installed on the other side of the bottom plate, a barrier shaft matched with the latch hook is fixed on the portal crane main plate, the middle part of the latch hook is provided with a fixed shaft vertical to the bottom plate, the rear end of the latch hook is connected with a reset spring, and a pin shaft is fixed on the lower end of the latch hook; the right side of the bottom plate is provided with a gap, and a catch wheel is fixed on the pin shaft after the pin shaft penetrates the gap; the left edge of the right blade of the secondary door cutter mechanism is provided with a flanging extending to the bottom plate, and the flanging is contacted with the left side of the catch wheel. The realization of the lift cage door lock action function is divided into three conditions, when the lift is in a non-level state, the passenger in the lift cage cannot open the door; when the lift is in the level state, the door of the lift cage can be opened from internal or external to rescue the passenger, so that the device plays good protection effect for the passenger.
Owner:XJ SCHINDLER XUCHANG ELEVATOR +1

Vehicle falling-into-water reminding and salvation device

The invention relates to a vehicle falling-into-water reminding and salvation device and relates to the technical field of car safety. The vehicle falling-into-water reminding and salvation device comprises a detecting unit, a single chip microcomputer, an executing unit and a power supplying unit for supplying power support to the device, and the detecting unit comprises a horizontal detecting instrument for detecting the inclined angle of a car and a plurality of water level sensors for detecting the wading water level. The executing unit comprises a reminding module selectively started according to the wading water level depth, a glass blaster and a salvation seeking module, the glass blaster is a firing pin type blaster, and the single chip microcomputer receives a detecting signal sent by the detecting unit and sends the signal to the executing unit. The horizontal detecting instrument and all the water level sensors are electrically connected with the input end of the single chipmicrocomputer, and the glass blaster and the salvation seeking module are electrically connected with the output end of the single chip microcomputer. According to the vehicle falling-into-water reminding and salvation device, the water level sensors and the horizontal detecting instrument are combined, the mistaken judgment probability is decreased, and the unnecessary loss is reduced; and meanwhile the salved rate of personnel in the accident is increased by combining self-salvation and salvation seeking.
Owner:GUANGDONG MECHANICAL & ELECTRICAL COLLEGE

Straddle type monorail vehicle control circuit and straddle type monorail vehicle

ActiveCN110901398AAchieve self-helpEffective rescue capabilityMonorailsElectric devicesMonorailControl theory
The invention provides a straddle type monorail vehicle control circuit and a straddle type monorail vehicle. The straddle type monorail vehicle control circuit comprises a first marshalling vehicle circuit, a second marshalling vehicle circuit and a power supply control circuit. The first marshalling vehicle circuit and the second marshalling vehicle circuit are two mutually independent high-voltage circuits; when one of the first marshalling vehicle circuit and the second marshalling vehicle circuit breaks down, disconnection of high voltage of the marshalling vehicle circuit which breaks down is controlled and achieved through the power supply control circuit, and the marshalling vehicle circuit which does not break down provides high voltage. Through the above scheme, the first marshalling vehicle circuit and the second marshalling vehicle circuit are two mutually independent high-voltage circuits. When one of the circuits breaks down, the circuit of the marshalling vehicle which breaks down can be isolated, the circuit of the marshalling vehicle which does not break down can still operate normally, self-rescue of the vehicle is achieved, more effective rescue capacity and a more flexible rescue mode are achieved, and vehicle rescue is completed in the mode that the influence on operation is minimum.
Owner:CHONGQING CRRC RAILWAY VEHICLES CO LTD

Strop emergency braking device

The invention discloses a strop emergency braking device, which comprises wall boards which are symmetrically arranged as well as tension springs and reset springs; a pulley main shaft is fixed to theupper ends of the wall boards in a running-through mode and pulleys are arranged at both ends of the pulley main shaft at the outer sides of the wall boards; between the pulley main shaft and supporting shafts, a U-shaped groove is additionally arranged in the wall boards, and the front side of the U-shaped groove is taken as a bottom end while the rear side of the U-shaped groove is taken as a high end; a brake shaft is correspondingly assembled in the U-shaped groove in a running-through mode and friction wheels are arranged at both ends of the brake shaft at the outer sides of the wall boards; a reset retractor is additionally arranged at the front side of the brake shaft; the reset retractor comprises a reset rotating shaft, a reset clamping plate and a reset pull rod which is arranged on the reset rotating shaft; the reset retractor is lapped on the brake shaft via a reset clamping groove and the brake shaft is limited at the bottom end of the U-shaped groove; and a pawl, which is used for drawing the brake shaft, is additionally arranged at the lower side of the reset retractor. According to the strop emergency braking device, emergency and safety braking of a strop can be implemented via the reset retractor and the pawl in the case that a first traction rope gets broken, so that the safety of passengers is guaranteed.
Owner:ZHENGZHOU UNIV

Bifilar-returning automatic control escape device for tall building

InactiveCN101716396APrevent swings from fluctuatingSpeed up the escapeBuilding rescueAutomatic controlEngineering
The invention discloses a bifilar-returning automatic control escape device for a tall building, comprising a hanging ring, ropes, a box body and safe rope slings. The device is characterized in that a reinforcing connecting rod consists of a left connecting rod and a right connecting rod, and the left end of the left connecting rod is moveably installed in a moveable friction groove; a sliding groove is processed in the middle of a lever, and the right end of a balance arm and the top end of a tension rod are sheathed in the sliding groove together; a fixed pulley is fixed between a lateral boxboard and a supporting frame; two fixed friction grooves through which both ends of each rope can penetrate are formed between a moveable friction member and a fixed friction member, and the two fixed friction grooves are separated from each other; the right end of the screw rod is fixedly installed in the middle of the moveable friction member, and the left end is installed in the middle of an adjusting screw rod; and a safe rope sling is respectively hung on the two lower ends of each rope. By adopting bifilar-returning up-and-down movement, the device accelerates the escape speed of an escaper, greatly improves the self rescue efficiency, reduces casualties caused by dense smoke suffocation and crowding, has high safety, reliability, and the like, and can be arranged on a clearly visible place in a tall building to meet an emergency.
Owner:李良友
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products