1961 results about "Work safety" patented technology

The invention relates to a gas station security monitoring pre-warning and emergency management system and a method thereof, belonging to the field of work safety monitoring and supervision. The system constructed by a two level system in which a gas station site and a superior petroleum company are connected by the internet or the intranet. The gas station site comprises a video monitoring subsystem, an oil leakage monitoring subsystem, an oil tank liquid level and a temperature monitoring subsystem, an oil unloading static alarming subsystem, a combustible gas monitoring subsystem and a video monitoring host, a monitoring pre-alarming host, a short message sending device and an audible and visual alarm; the method comprises: carrying out capacity evaluation on the gas station and surrounding emergency resources and providing assistant decision support for accident emergency rescue. The invention performs monitoring pre-alarming on gas station accidents, thus improving the efficiency of emergency rescue command, reducing accident loss and ensuring the life and property security of people.

The invention provides a plant protection unmanned plane work system. The plant protection unmanned plane work system comprises plotting equipment used for acquiring the boundary information of a work block, generating a reference work course according to the boundary information and sending the boundary information and the reference work course to a server, an unmanned plane control terminal used for acquiring the boundary information and the reference work course from the server and generating an actual flight course according to selection of a user and the reference work course, and a plant protection unmanned plane used for employing the actual flight course uploaded by the unmanned plane control terminal to carry out plant protection work, wherein the actual flight course is uploaded by a ground station to the plant protection unmanned plane. The system is advantaged in that flight courses in matching with different blocks can be generated, work efficiency is improved, and work safety is guaranteed.

The invention discloses a wall-climbing robot for removing rust on wall surfaces of ships and a working method thereof. The wall-climbing robot comprises a frame, a chain track walking mechanism, a permanent magnetic adsorption unit, a left-upper drive motor, a left-upper decelerator, a right-lower drive motor and a right-lower decelerator, wherein the chain track walking mechanism consists of a left chain track and a right chain track, the permanent magnetic adsorption unit is mounted on the chain track walking mechanism, and an ultrahigh pressure water jet vacuum rust-removing cleaner is externally connected with a vacuum source and the permanent magnetic adsorption unit to form vacuum permanent magnetic mixed adsorption. The method comprises the steps of regulation of the tension of chains, height adjustment and movement control. In the invention, by adopting the vacuum permanent magnetic mixed adsorption mode to design the wall-climbing robot and effectively utilizing and recycling negative pressure of the rust vacuum in combination with permanent magnetic adsorption force, the wall-climbing robot achieves reliable adsorption, safe working and compact adsorption structure and is capable of realizing working with large load at high altitude.

The invention provides an LED (Light Emitting Diode) driving circuit and a constant-current control circuit thereof. The constant-current control circuit comprises an error amplifier, a turn-on time control module and a driving signal generation module, wherein the first input end of the error amplifier receives load current through a sampling port and the second input end of the error amplifier receives preset first reference voltage; the input end of the turn-on time control module is connected with the output end of the error amplifier; and the driving signal generation module generates a driving signal for turning off a switching tube in the LED driving circuit according to the output signal of the turn-on time control module, the driving signal is output through a driving port, a ground port is configured to receive floating ground voltage and the floating ground voltage is different from the reference ground voltage of the input voltage of the LED driving circuit. The constant-current control circuit has the advantages that the precise constant-current control can be realized, the power coefficient is high, the input harmonic is low, the working safety is high and the conversion efficiency is high.

Provided is a monitoring method for electric power working safety based on image recognition. A structure of the method of the invention comprises an on-site electricity-utilization controllable operation power supply, a camera and a system respectively connected with the on-site electricity-utilization controllable operation power supply, wherein the system is composed of an image pattern recognition processing program and has video monitoring and electricity-consumption environment control functions. The monitoring method comprises the steps of realizing a virtual boundary for an electric power working operation site and realizing three-level safety control and environmental electricity-utilization control based on an image recognition technology so as to prevent workers at the electricpower working operation site from electric shocking and to monitor operation conditions of on-site electric power equipments. By conducting effective safety boundary management of an electric power working and testing site, the method of the invention has the substantial advantages of improved functions, reliability and wide application range.

The invention discloses a safe control method and system for a mobile robot, wherein the method comprises the following steps: S100) obtaining the working environment map information of a robot; S200) obtaining the current position information about the robot's travel in the working environment map information; S300) using the current position information as a reference to obtain the position information of its surrounding obstacles; and S400) controlling the travel mode of the robot based on the position information of its surrounding obstacles. The method and the system are designed with the object of finding out the obstacles that are closest to the robot in real time and making the robot respond differently to the obstacles so the robot is more like a human in terms of logic thinking and becomes more intelligent with the result that the working safety of the robot is increased.

The invention discloses a personnel security management system and method in mining areas. According to special environments and conditions of the mining areas, security factors are detected. The system is internally provided with a face recognition device and alcohol detecting device, wherein the face recognition device is used for detecting whether face images are matched, whether security helmets are worn, and whether workers are fatigue; and the alcohol detecting device is used for detecting whether the alcohol content in oral cavities of the workers is qualified, thereby preventing dangerous operation of the workers in the mining areas; and multiple audit modes of holiday control, week control and time section control are adopted for user right verification. The personnel security management system of the mining areas can cover each gate entry and other important areas of the mining areas, improves the entry and working safety of the workers in the mining areas through security verification and right verification which are matched with each other, and is beneficial to safety production of the mining areas.

A harness is described herein that uses correlated magnets to enable objects to be secured thereto and removed therefrom. Some examples of such a harness include a construction work harness, a soldier harness, an astronaut harness, and a scuba harness (e.g., buoyancy compensator). For instance, the scuba harness can have different types of objects secured thereto and removed therefrom such as a weight pouch, a utility pocket, a dive light (flash light), a camera, a scuba lanyard, a navigation board, a depth gauge, a spear gun, or any type of military equipment.

The invention discloses a method for detecting and sorting an integrally-disassembled electric energy meter. The method comprises the steps: arranging the disassembled electric energy meter into an input conveyor belt, and carrying out automatic detection of six functions such as appearance check, electricity and current circulation, storage verification, metering detection, condition judgment and asset sorting on the electric energy meter by adopting an appearance detection device, an electric energy meter metering detection device, and an unqualified electric energy meter spraying code marker. By adopting the method, a plurality of teams, a plurality of workers and a plurality of procedures are integrated, so that the working time can be effectively shortened, the working quality is improved, and the fault analysis of the electric energy meter can be standardized; the manual on-off operation of the electric energy meter can be avoided, and the working safety of the operation workers can be improved.

The invention provides a multi-stage high-efficiency shock-absorbing base for a box-type substation, which includes an upper support plate, a lower support plate and a concrete facade, and a horizontal shock-absorbing device and a longitudinal shock-absorbing device are fixedly installed on the sides of the lower support plate. The bottom of the lower support plate is fixedly connected with rollers, and the rollers are slidably connected with the chute, and the chute is fixedly connected with the oil pressure shock absorber, and the oil pressure shock absorber is fixedly connected with the concrete facade through anchor bolts. The present invention The structure is simple, the box-type substation can be supported by the oil pressure shock absorber, and the vertical vibration of the box-type substation due to external force can be absorbed and buffered, and the box-type substation can be absorbed and buffered Due to the lateral and longitudinal vibrations generated by external forces, the loss of internal equipment in the box-type substation is reduced, and the safety factor of the box-type substation is improved.

The invention discloses a networking video monitoring system. The system comprises multiple pan-tilt-zoom cameras serving as video monitoring front-end devices and a main monitoring center provided with a main control device, wherein the main control device is connected with the multiple pan-tilt-zoom cameras, a monitoring processing unit installed on each pan-tilt-zoom camera is connected with a geographical location information acquiring unit, a level angle acquiring and setting unit, an elevation angle acquiring and setting unit, a ranging unit and a data storage unit, and the main control device of the main monitoring center is connected with the monitoring processing unit of each pan-tilt-zoom camera. Furthermore, the invention discloses a method for achieving real-time linkage monitoring of the networking video monitoring system. According to the method and system, real-time all-weather uninterrupted video monitoring can be conducted on any monitored object through the urban networking video monitoring system in time quickly, comprehensive and multi-angle shooting requirements of users can be met, and production and working safety of a monitored area is guaranteed.

The invention relates to a seawater-proof movable sealing device of ocean engineering equipment, in particular to a movable sealing device for a telescopic full-revolving rudder paddle, which is used on an ocean engineering boat and an ocean platform. The sealing performance of the telescopic full-revolving rudder paddle is ensured through four measures of a guide sleeve guide and filth clearing protection measure, a packing sealing measure, a lip-type sealing ring sealing measure and a lubrication and leakage check measure, through the efficient lubrication and the leakage check measure, the movable sealing device of the telescopic full-revolving rudder paddle is in an efficient controllable state in seawater, the work safety of the sealing device is improved, and the service life of the telescopic full-revolving rudder paddle is prolonged by more than 50 percent.

The invention discloses a system and a method for automatically testing main control hardware of a fan on the basis of a PLC (Programmable Logic Controller). The testing system comprises a PLC main controller, an extendable data interaction module and a graphical debugging terminal; the data interaction module and a data interaction module of equipment to be tested are subjected to one-to-one interaction by a cable; and the PLC main controller of the testing system is used for rapidly acquiring information of the data interaction module of the testing system in an EtherCAT manner, respectively communicating with a main controller of the equipment to be tested and the graphical debugging terminal on the basis of an ADS (Automation Device Specification) protocol and implementing automatic testing on a loop of the main control system hardware of the fan. The system and the method have the advantages of good extendibility, strong applicability, high repeated utilization rate, reduction on debugging time, improvement on working safety and quality of a main control system of the fan and the like.

The invention discloses an electric power overhauling lifting platform which comprises a device base; supporting bases are arranged at one end of the device base and at the two sides of the device base; the supporting bases are in threaded connection with a group of supporting bolts and are equipped with a locating drill rod in a penetrating mode; a group of lifting oil cylinders is arranged on the upper part of the device base; the lifting oil cylinders are connected with a middle platform; a middle guard bar is arranged on the middle platform; a reduction motor is arranged at one side of the middle platform; the reduction motor is in key connection with a wire winding wheel; a suspender cable is wound on the wire winding wheel; a shear type lifting device is arranged on the middle platform; the top of the shear type lifting device is connected with the top platform; a top guard bar is arranged on the top platform; and a storage battery and an illuminating lamp are further arranged on the top platform. The electric power overhauling lifting platform is extremely good in stability, is stable in lifting, is not liable to shake, improves overhauling working safety, is reliable in locating, has flexible operation and also has an illuminating function.

The invention relates to a traveling sucking disc assembling and disassembling bench, which comprises two support strut bars, wherein a horizontal bar is arranged on the middle parts of the support strut bars; a longitudinal displacement bar is vertically connected on the horizontal bar; a turning arm is vertically connected to the lower end of the longitudinal displacement bar; three turning arm supports are vertically connected with the turning arm; three sucking discs are arranged on each turning arm support; a support base is connected to the lower end of each support; and a support traveling roller is connected to the lower side of each support base. By the traveling sucking disc assembling and disassembling bench, glass can be assembled and disassembled automatically without manual auxiliary operation, so the work efficiency is improved greatly, and the work safety is improved.

The invention discloses an adaptive excavating integrated machine. The adaptive excavating integrated machine comprises a gantry assembly installed on a complete machine underbed, a fixing platform installed on the complete machine underbed, a working mechanism for providing operation, a drill machine supporting mechanism, a conveying mechanism for conveying materials, a laser device, a walking mechanism installed below the underbed and switched between crawler-type walking and wheel-type walking, a hydraulic mechanism, a driving mechanism for providing power for the complete machine and a cab assembly. The working mechanism comprises an excavating working arm mechanism installed at the front end of the gantry assembly and a cutting working arm mechanism installed above the gantry assembly, and the excavating working arm mechanism and the cutting working arm mechanism can be switched for working; the laser device assists the cutting working arm mechanism in rock crushing, and the drill machine supporting mechanism drills anchor rope supporting holes in the top of a roadway. By means of the technical scheme, multiple walking, crushing, cutting, excavating, loading and supporting functions are achieved, continuous excavating, loading and conveying work is achieved, applicability is high, the integrated machine is multipurpose, acquisition cost is saved, the number of operation process workers is reduced, working efficiency is improved, engineering quality is improved, and working safety is ensured.

The invention relates to an energy-controllable output device for a fuel cell and a control method. Through modularized structural design, the energy-controllable output device can control energy output of the fuel cell. The energy-controllable output device comprises a voltage-boosting regulating module, a voltage-reducing regulating module, a CAN (Controller Area Network) bus-based main control module and a fault diagnosing and alarming module. Through 2-stage conversion technology, the input voltage withstanding range is wide, the output voltage, the output current and the output power are controllable, and the power output energy of a load can be automatically tracked; the energy-controllable output device is provided with an IGBT (insulated gate bipolar translator) driving circuit with electrification protection, and the fault diagnosing and alarming module, so that the working safety of the energy-controllable output device is improved; through a soft start control and a 4-combination PID (proportion integration differentiation) control algorithm, the working accuracy and the working stability of the energy-controllable output device are improved; and the energy-controllable output device is high in conversion efficiency, can be applied to not only a fuel cell, but also other energy devices with very wide voltage output ranges, and is applicable to various electrical and electronic fields.

The invention discloses a support leg pressure detecting and controlling device comprising a detection part, a controller and an execution part, wherein the detection part is arranged on a support leg and is used for detecting the pressure of the support leg and transmitting a pressure signal; the controller is used for receiving the pressure signal and transmitting a control signal according to the pressure signal; and the execution part is used for controlling a crane to work or stop. According to the support leg pressure detecting and controlling device, the stress of each support leg of the crane during work can be detected and whether the work condition of the each support leg of the crane is safe or not is analyzed according to the stress; when the stressed condition of the support leg is abnormal, the controller transmits the control signal and relevant valves are closed or switches are turned off by the execution part according to the control signal, so that the crane stops working. Therefore, the work safety of a mobile crane is greatly improved and the mobile crane is more reliable. The invention also provides the mobile crane with the support leg pressure detecting and controlling device.

The invention discloses a window type air purifier. The window type air purifier comprises an air purifier body, a louver grid, a draught fan, a blade angle regulator, a WIFI communication module, a microprocessor and a controller, wherein the draught fan is provided with a power switch; the blade angle regulator is used for regulating the tilting angles of blades of the louver grid; the power switch of the draught fan, the WIFI communication module, the microprocessor and a stepping motor are separately connected with the controller; the WIFI communication module is connected with the microprocessor and receives weather forecasting information; the microprocessor obtains the concentration information of PM2.5 through the WIFI communication module and performs analysis and comparison on concentration values of PM2.5; the controller obtains the information of judgment results from the microprocessor and controls the air purifier to work. Through the adoption of the window type air purifier disclosed by the invention, the reasonability of the air purifier is improved, so that not only can the cleanness of indoor air be kept, but also high working safety of the air purifier and high purifying efficiency of the air purifier can be guaranteed.

A repairing method of a petroleum refining plant for efficiently conducting cleaning process of process equipment and pipings, unloading process of agglomerated catalyst, rinsing work of the process equipment and the pipings, thereby reducing plant shutdown time, preventing stress-corrosion cracking by polythionic acid, improving production efficiency, ensuring work safety and reducing production cost, is provided. For the object, the repairing method of the petroleum refining plant of the present invention has a first step of cleaning the process equipment and the pipings and softening agglomerated catalyst inside the process equipment, second step of rinsing the process equipment and the pipings and coating a surface of the softened catalyst by a coating agent, and third step of dumping the coated catalyst from the process equipment and re-rinsing the process equipment and the pipings. Accordingly, respective work can be efficiently conducted, the plant shutdown time can be reduced, the stress-corrosion cracking by the polythionic acid can be prevented, and work safety, reduction of maintenance cost and improvement of production efficiency can be ensured.

The invention discloses a mechanization workover treatment system capable of replacing wellhead manual operation. The mechanization workover treatment system comprises a work platform system, an automatic lift sub system, an automatic makeup and breakout system, an oil pipe righting, pushing and pulling system, an oil pipe lifting system, a ground tube bank system and a control system. The lower end of the work platform system is connected with a wellhead casing spool through a flange; the automatic lift sub system and the automatic makeup and breakout system are fixed to the work platform system; the oil pipe righting, pushing and pulling system is connected to a base of the automatic makeup and breakout system through a hinge pin; the oil pipe lifting system is installed on one side of the automatic makeup and breakout system; and the ground tube bank system is arranged on any side of the oil pipe lifting system and is matched with the oil pipe lifting system to achieve transferring of an oil pipe, and the other systems are connected with the control system. According to the mechanization workover treatment system, unmanned wellhead operation is achieved; the labor intensity of a worker is reduced; the work safety is improved; and it is ensured that pipe columns are smoothly run and pulled.

The invention discloses an aerial working safety belt which comprises a waistcoat type safety belt body, a main hook, an auxiliary hook, braids, braid furling devices, a main hook control device and an auxiliary hook control device. The lower end of a movable hook body of the main hook and the lower end of a movable hook body of the auxiliary hook are both connected with the lower ends of fixed hook bodies through a main hook locking device and an auxiliary hook locking device. A using method of the aerial working safety belt includes the following steps: (1) wearing the aerial working safety belt, (2) starting a main hook electric control device, (3) respectively hooking the main hook and the auxiliary hook, (4) respectively locking the main hook and the auxiliary hook, (5) moving the main hook, (6) moving the auxiliary hook, (7) hooking the main hook or the auxiliary hook again, and (8) taking down the main hook and the auxiliary hook. According to the aerial working safety belt and the using method, a dual-safety mechanism that the main hook and the auxiliary hook are used for hooking at the same time is adopted, the automatic locking function when falling occurs is achieved, and movement space of a worker is enlarged. The self-locking function of the main hook or the auxiliary hook is achieved, the one-way interlocking function between the main hook and the auxiliary hook is achieved, and the aerial working safety is guaranteed.

The invention discloses a 6-DOF (degree of freedom) gravity balanced operating microscope frame which comprises a footstand, an upright post, a bearing arm, a rear supporting seat, a balance arm, a front supporting seat and a small frame. The invention designs a combining mode of transmitting balance force through a cable and adding a balance moment through a movable pulley and a lever with a built-in balance weight to realize the balance of an operating microscope and a cantilever and designs a break-proof cable structure of double working cables and a safety cable so as to guarantee the working safety of the frame. Six rotation degrees of freedom of the whole frame are all electromagnetically locked, and the built-in gravity balanced structure effectively reduces the gravity center of the frame, thereby improving the stability. Compared with lever type gravity balance, the frame has the characteristics of flexibility and compact appearance.

The invention discloses a crude oil tank farm scheduling method which can accurately and rapidly provide a comprehensively-planned and comprehensively-optimized scheduling scheme for tank farm scheduling. According to the method, the aim of looking for the optimal working route by supporting a designated device which is sure to be passed by and a designated device which cannot be passed by under the constraint conditions such as tank farm devices and pipeline real-time states and by taking the shortest path as the optimization target is considered. By means of the method, enterprise operation cost is greatly lowered, production accidents caused by human subjective judgment are reduced, work safety of a crude oil tank farm is guaranteed, and the scheduling level and the economical efficiency in the tank farm are improved.

The invention discloses a method for storing real-time data, which comprises the following steps: the data of a storage sensor is collected by a collector in real time; the summary information of a main index is accessed, checked and compared; the latest indicator of the main index content is extracted; the latest storage indicator of the data is accessed; data content and a check code are stored; new index content and the check code are calculated; the main index content and the check code are stored; main index summary is updated and stored; backup index content and the check code are stored; backup index summary is stored; the backup index summary is accessed and then checked and compared; the latest indicator of the backup index is acquired; the latest storage indicator of the data content is accessed; and storage information is reestablished. Double indexes and multiple checks are adopted for protecting the data in a storage unit, thus guaranteeing the complete content of the data stored in the collector. Cycling coverage is adopted for realizing the continuous storage of data content under fixed storage capacity, improving the reliability and completeness of important parameter record during the industrial process and promoting the operation efficiency of process monitoring and work safety.

The invention relates to a characteristic device of a circuit breaker. The device comprises a matching box of an instrument device of the circuit breaker and a secondary adapter used for outputting various signals by the matching box of the characteristic instrument device of the circuit breaker to the circuit breaker, wherein the matching box of the characteristic instrument of the circuit breaker comprises an input power supply jack, a switch on-off input signal jack, a secondary adapter switching-on jack, a spring energy storage power supply output jack, an electric deblocking power supply output jack, an earth jack and various indicating lamps; the input power supply jack is assembled on the casing of a crate and connected with the input end of the power supply; the switch on-off input signal jack is connected to a switch on-off signal input end; the secondary adapter switching-on jack is connected to a secondary adapter interface; the spring energy storage power supply output jack is prepared; one end of the secondary adapter is connected to the output end of the matching box of the characteristic instrument of the circuit breaker through a jack, and the other end of the secondary adapter is connected to the aviation jack of the circuit breaker in an aviation plug mode; according to the invention, a spring energy storage power supply and a switch off deblocking power supply are generated, in the former test, a switch characteristic instrument does not have the output of the spring energy storage power supply and the switch off deblocking power supply; through the output mode of the secondary adapter, the wiring method of the original test is reformed thoroughly, the complex and unsafe wiring is avoided, and the working safety and efficiency are improved greatly; and aiming at the variety of the switches, a plurality of models are designed for the secondary adapter and correspond to the different switches, thus the device has favorable generality.

The present invention relates to labor safety guard technology, and is especially one multifunctional safety helmet used for dark environment in mine. The multifunctional safety helmet is provided with lighting unit, protecting mask, temperature and humidity regulator, oxygen making unit for self help, gas detector, abnormal stress and pressure detecting alarm, electric leakage protector and other protecting parts. Its power source and wires are set inside the helmet, and its protecting mask is made of soft telescopic material and thus may be folded into the helmet.

The invention discloses an ultralow pore continuous automatic rod assembling and disassembling hydraulic coal drill and a rod assembling and disassembling method thereof. The drill comprises two rod storing and disassembling boxes, a middle clamp, a front clamp, hydraulic telescopic support stand columns, a manipulator hydraulic support, hollow rotating platforms, manipulators, a working table, anoblique axis variable-displacement motor, a speed reducer, a rack base and a rubber sleeve hydraulic chuck. The oblique axis variable-displacement motor, the speed reducer, the rubber sleeve hydraulic chuck, the rod storing and disassembling boxes and the clamps are installed on the lower portion of the working table, the manipulator hydraulic support is installed on the upper portion of the working table, and a working method that the two rod storing and disassembling boxes act together, and the manipulators conduct rod assembling and disassembling from the bottom of the drill is adopted. The drill has the obvious advantages that structural arrangement is ingenious, the drill height is greatly lowered, operation is convenient, the continuous automatic rod assembling and disassembling functions are achieved, the work efficiency is improved, the security work is safe and stable, and the manufacturing cost is lowered; the problem that an existing drill cannot drill an ultralow pore, andcontinuous rod assembling and disassembling cannot be conducted is solved.

The invention relates to a raw edge cutting method of a plant fiber molding product and automatic raw edge cutting equipment thereof, aiming at providing the edge cutting method which has the characteristics of reasonable transforming mode and high production efficiency of the molding product. The provided equipment has the characteristics of good processing quality, high production efficiency and working safety and reliability. In the technical scheme, the plant fiber molding product raw edge cutting method is carried out in following steps: 1. a product to be cut is transported to a prepared work station; 2. the product to be cut in the prepared work station is extracted to be transformed to an edge cutting work station; 3. an edge cutting die is closed, and raw edges of the product to be cut are cut down; 4. an upper die and a lower die of the edge cutting die are opened to continue the next action. The edge cutting die and a power mechanism for driving the edge cutting die are arranged in the edge cutting work station of the edge cutting machine of the automatic plant fiber molding product. The prepared work station and a transferring device for extracting the product to be cut at the prepared work station to the edge cutting position the prepared work station are also arranged in front of the edge cutting work station.