50 results about "Fatal accident" patented technology

The invention relates to a crawler type fire-fighting robot and an operating method therefor and belongs to the technical field of robots. The crawler type fire-fighting robot is composed of a bubble module, an electric device control box, a lighting device, a camera device, a hydraulic capstan device, a walking mechanism, an internal heat dissipating port, a self-cooling spraying system, a gas detection device and the like. The crawler type fire-fighting robot is controlled on a basis of a wireless remote control mode to control a fire scene through devices such as crawler type walking mechanism, the gas detection device, the lighting device and the camera device. The robot is suitable for remotely executing fire rescue work in flammable and combustible, toxic and harmful, radioactive severe environments and the like and has the characteristics of high-temperature resistance, impact resistance and the like, and occurrence of bodily injuries and fatal accidents of rescue personnel can be effectively reduced.

The invention is suitable for the implementation field of accident management in a nuclear power station and a method of settling a severe accident for an improved 1000MW class PWR nuclear power station is provided. The method comprises the following steps of: reading measured data of the nuclear power station in a severe accident condition and judging the severity degree of the accident according to the data; determining the execution sequence for the diagnosis tree of the accident condition in a severe accident management guidance and the logical sequence for the condition of accident diagnosis in the diagnosis tree of accident condition according to the severity degree of the accident; entering the corresponded diagnosis tree of the accident condition according to the severity degree of the accident and diagnosing the accident according to the condition of the accident diagnosis in the diagnosis tree of the accident condition and entering the corresponded accident management guidance. Through the judgment of the severity of the accident and according to the diagnosis tree of the accident condition, the invention diagnoses and settles the accident with symptom as the guide and with pertinence, thereby realizing efficient, quick and correct judgment and settlement of the accident when the accident happens.

The invention discloses a swimming pool drowning life-saving intelligent system. The swimming pool drowning life-saving intelligent system comprises an intelligent drowning monitoring alarm apparatus, an underwater sound signal receiving conversion device and a data processing device. When a swimmer is in a drowning condition, the intelligent drowning monitoring alarm apparatus automatically sends a sound wave signal, the underwater sound signal receiving conversion device receives the sound wave signal sent by the intelligent drowning monitoring alarm apparatus underwater, converts the sound wave signal in to an electric signal and transmits the electric signal to the data processing device through a wired or wireless communications technology; the data processing device processes the received signal so as to precisely locate the position of a drowning man in the water, and records and displays the underwater moving track of the drowning man. The swimming pool drowning life-saving intelligent system provided by the invention has the beneficial effects that the intellectualized and automatic drowning alarm and processing device is adopted, thus the defect of the existing drowning life-saving manner is overcome, the intellectualized and automatic alarm of a drowning accident is realized, the active prevention, prewarning and in-time detection of drowning life saving are realized, and the incidence rate of the drowning accident, especially, the drowning fatal accident, can be basically avoided.

The invention provides a toxic gas leakage accident crowd evacuation behavior dynamic prediction simulation device and a working method thereof and belongs to the environmental safety field. Accordingto the device and working method thereof of the invention, qualitative and quantitative relationships between factors, such as toxic gas leakage accident scenarios, diffusion conditions, and individual characteristics of people, and line selection of the people, are determined on the basis of the crowd evacuation dynamics and cellular automata theory, and cellular local movement rules are established; a dynamic expression of evacuation speed that changes with the amount of inhaled toxic gas is established according to critical states and critical conditions for a toxic substance harm model todetect out people poisoning and fatal accidents; a cellular automata theory-based people dynamic evacuation model is established; and the model is used to form a device which simulates the safety evacuation of people in a toxic gas leakage accident in a visualized manner, so that functions such as simultaneous simulation and simultaneous display of toxic gas diffusion and the evacuation behaviorof the people are completed, and therefore, persons responsible for evacuation can be better assisted to make decisions, or the public can be better assisted to master correct escape skills in the case of toxic gas leakage accidents.

The invention relates to an electronic alarming guard bar for isolating the electrified regions such as power plants, power stations and other places, the construction fields and other dangerous regions, comprising two or above bars provided with a photoelectric beam detector, which comprises a photoelectric beam transmitter and a photoelectric beam receiver, in pairs arranged on different bars and connected with an alarm device each. It is convenient to install and simple to operate and able to reduce fatal accidents.

The invention discloses a car lifting device in car production conveying equipment. The conveying equipment comprises a lifting appliance and a locking device for locking the lifting appliance. A car is provided with a location hole, and the lifting appliance is provided with a locating pin and a lift claw for location. The car lifting device is provided with a frame trolley (1), and the frame trolley (1) is provided with a bracket (4) which is in a frame shape for propping a car body. The bracket (4) is installed on the frame trolley (1) by four double-acting cylinders (2). By adopting the technical scheme, equipment accidents, fatal accidents and equipment shutdown caused by inaccurate locating of the car body in a production line are greatly avoided. The car lifting device is applied, and therefore the production efficiency and the product quality are increased. The device has safety, reliability, practicality and creativity.

The invention discloses an anti-misoperation locking system and method for a power plant. When a device line is overhauled or a high-pressure-side earthing switch of a boosting transformer is needed to be closed in other circumstances, a first disconnecting switch is firstly switched off, a first key is taken out from a first control lock on the first disconnecting switch and then is inserted into a first exchange lock, a second key is taken out from a second exchange lock and finally is inserted into a second control lock on the earthing switch, and the earthing switch is closed. After the operation is completed, the earthing switch is switched off again, the second key is taken out from the second control lock and put back to a key exchange box, the first key is taken out from the first exchange lock and inserted into the first control lock again, and then the first disconnecting switch can be operated. By the adoption of the anti-misoperation locking system and the method for the power plant, electrical misoperation caused by inaccurate computer monitoring signals and man-made errors are completely eradicated, device damage and personal injury and fatal accidents are avoided, and the operating safety of the power plant is ensured.

The invention relates to an environment-friendly type wind-driven generator facilitating climbing and preventing falling. The environment-friendly type wind-driven generator comprises a protection mechanism, a braking plate, a driving unit and a plurality of climbing units. The climbing units each comprise an inserting rod, a fixing ring, an inclined rod and two climbing assemblies. Each climbing assembly comprises a supporting sleeve, a supporting rod and a hinge unit. The protection mechanism comprises a vertically-arranged sliding rod, a sliding ring, a safety belt, two transverse rods and a plurality of protection units. Each protection unit comprises a notch, a fixed shaft, a third sleeve ring and a protection rod. According to the environment-friendly type wind-driven generator facilitating climbing and preventing falling, the situation that people without fixed duties climb on a tower frame to result in safety accidents is prevented while climbing of workers is facilitated through the climbing units; in the climbing process, the protection units are utilized to prevent falling accidents, so that the safety coefficient of equipment is increased, besides, a hub and a vane stop rotating through the driving unit, the situation that birds bypass the vane when flying and passing through the equipment is facilitated, the bird fatal accident is avoided, and the environment-friendly type wind-driven generator is beneficial for harmonious development of the ecological environment.

The invention relates to a safe power supply monitoring system of building construction machinery. The safe power supply monitoring system comprises a general distribution box detection device, branch distribution box detection devices and switch box detection devices, simultaneously has a wireless data remote transmission function, transmits acquired results to an outer computer in a wireless mode and monitors the potential safety hazards of three-level distribution boxes in real time by virtue of special software. By utilizing the safe power supply monitoring system, equipment and fatal accidents are reduced, and the safe operation efficiency is obviously improved.

The invention discloses an induction power supply electric transmission line anti-external damage monitoring and warning system. The system comprises an anti-external damage monitoring and warning device, a GPRS module, a front-end computer, and a data server; the anti-external force damage monitoring and warning device is installed on the electric transmission line and is connected with the GPRS module; the GPRS module is connected with the front-end computer; the front-end computer is connected with the data server. By means of the induction power supply electric transmission line anti-external damage monitoring and warning system, real-time monitoring and warning for overhead lines can be realized to effectively control the operation state of overhead line crossing tower segments. The system plays a significant role in preventing external force damage, reducing accident rate, and increasing safe operation capability comprising fatal accidents; the system is of great importance for electric power safe production and economic benefit.

The invention relates to a coal bunker capable of preventing chute blockage and coal agglomeration. The technical problem to be solved by the invention is to provide a coal bunker capable of preventing chute blockage and coal agglomeration. The coal bunker capable of preventing chute blockage and coal agglomeration can alleviate the labor intensity of workers and risk during clearance as well as avoid fatal accident of burning a coal feeder. In order to solve the technical problem, the technical scheme provided by the invention is that the coal bunker capable of preventing chute blockage and coal agglomeration comprises a coal bunker, a loosen machine, and a hydraulic stop valve. The coal bunker is cone-shaped. The loosen machine is arranged in a cone part at the lower part of the coal bunker. The hydraulic stop valve is arranged at a coal outlet of the coal bunker. The lower part of the hydraulic stop valve is connected with the coal feeder through an inlet short piece. The hydraulic stop valve is connected with a controller. According to the coal bunker capable of preventing chute blockage and coal agglomeration provided by the invention, the coal feeding quality is greatly improved, and phenomena of smoke fleeing, rise of outlet temperature and manual clearance can be avoided; chute blockage and coal agglomeration are eliminated; the fatal accident of burning the coal feeder is thoroughly eliminated, the cost is saved, and the benefit and safety are improved.

The invention discloses an anti-climbing electric pole which comprises an electric pole body. A mounting frame is arranged on the electric pole body. A plurality of supporting plates are evenly distributed on the mounting frame from top to bottom. Connecting rods are arranged on the two sides of the mounting frame and are in pivot joint with the mounting frame. A plurality of draw bars are evenly distributed between the two connecting rods from top to bottom. A steel fork is arranged at the bottom end of each draw bar. A lantern ring is arranged at the upper end of the electric pole body. A fixing rod is arranged at the lower end of the electric pole body. A stay cord is arranged at the upper end of one connecting rod and penetrates through the lantern ring. One end of the stay cord is connected with the fixing rod. According to the anti-climbing electric pole, in a normal state, the connecting rods can be pulled upwards through the stay cord, the stay cord is fixed to the fixing rod, and the effect that the draw bars are pulled to be folded upwards and the steel forks are ejected outwards at the same time can be achieved so that passersby can be effectively prevented from climbing the electric pole through the steel forks, and electric shock fatal accidents are effectively avoided accordingly.

The invention provides an inspection well capable of achieving safe protection and fast water seepage. The inspection well comprises an inspection well cover and a shaft of a cylindrical structure, two gates are arranged on the wall of the shaft, water drainage holes are formed in the gates, water drainage fences are arranged in the water drainage holes, steps are arranged on the wall of the shaft, and water seepage holes are formed in the inspection well cover. The inspection well is suitable for being used in an urban down drain pipe network and being capable of preventing people from being washed away by water when people fall into the inspection well, and reducing fatal accidents.

The invention provides an elevator steel wire rope overhauling device and an overhauling method of the elevator steel wire rope overhauling device, which aim at overcoming the problems of more working hours, a great amount of labour consumption, low safety factor and accordingly-caused industrial injuries or fatal accidents in the elevator steel wire rope overhauling device and the overhaul method of the elevator steel wire rope overhauling device in the prior art. According to the elevator steel wire rope overhauling device and the overhauling method of the elevator steel wire rope overhauling device in the invention, all overhauling operations can be realized by only one person within two hours, the safety factor is high, multiple active safety protection measures are provided, and the anthropic safety risk is reduced.

This invention discloses a automatic control device of dispersal door, it contains electromagnetic lock used for installing in the dispersal door, and electromagnetic lock-switch testing circuit, the output of electromagnetic lock-switch testing circuit and SCM are anastomosis, SCM fits together with incoming end of master controller through communication interface; fire alarm signal links to incoming end of master controller by manual or automatic control circuit; power circuit links to electromagnetic lock by manual or automatic control circuit; yet display circuit links to master controller. It could realize automatic control the electromagnetic lock of dispersal door. When there is not emergency, it makes the electromagnetic lock in blocking state, so as to satisfy the public security demand of public security departments; when there is emergency, it could automatically unlock according to alarm signal, ensure the in time escape of personnel, accord with prescription of fire agent, which safeguard against fatal accident of not open dispersal door when staves taken charge of unlocking failure to arrive the scene, and avoid loss of burnout spreading out.

An emergency treatment device for elevator dropping is used in a daily elevator [1]. A speed-measuring positioning module [2] and an intelligent control module [3] are arranged in an elevator, electromagnets [5] are arranged at the bottom of the elevator and in an elevator shaft [4], the speed-measuring positioning module [2] is used for measuring current descending speed and height of the elevator, the electromagnets [5] are controlled by the speed-measuring positioning module [2] to start and can generate strong electromagnetic N poles and S poles to generate mutual exclusion effect so as to hold up the elevator which is dropping at high speed, and magnetic pole strength of the electromagnets [4] are adjustable; the intelligent control module [3] calculates optimal magnetic pole strength according to the descending speed and height to control corresponding current, a changing law of the magnetic pole strength should be from low to high, and a high-strength isolation plate should be arranged at the bottom of an elevator car to withstand electromagnetic pulse; an alarming module is arranged to give out corresponding LEDs or sounds for alarming, so that providing of emergency treatment and saving of life can be realized when the elevator stalls and drops, and degree of injury and fatal accidents can be lowered.

The invention discloses a movable chair blocking device for preventing fast fall in an ascending mine cableway, which comprises a hanger frame; a fixed shaft is installed on a movable plate; the movable plate is installed on the hanger frame through U-shaped bolts; the fixed shaft is provided with a shaft sleeve which can be fixed by nuts; and the shaft sleeve is provided with a baffle. The invention has the following beneficial effects: the baffle can be rotated only in a running direction of a steel wire rope without influencing the passing of a rope clip, so that the baffle can prevent the rope clip from sliding downwards and avoid the occurrence of injured and fatal accidents of passengers when the power failure of the mine cableway occurs in the running course, the situation of fast falling occurs in the ascending mine cableway and an ascending hanging chair rapidly slides downwards under the action of gravity.