43results about How to "To achieve the purpose of safe operation" patented technology

The invention relates to a practical application of a method for carrying out identity recertification on particular operation (such as cost-free operation of a charge system, an information deleting operation of an illegal system) in a software system in a public security traffic industry. The method comprises the following steps: binding one Usb Key with a user which has particular operation authority; then binding the unique serial number of the Usb Key with user information; when the user carries out the particular operation, firstly checking whether the Usb Key is inserted or not, if not, exiting a system; if so, verifying whether the unique serial number of the Usb Key is accurate or not; and carrying out the operation only if the unique serial number of the Usb Key is accurate, thereby avoiding extensive damage caused by the malevolence operation performed by others due to code leakage.

The invention relates to a safe and stable multifunctional wall climbing paint spraying robot, which comprises a paint spraying device and an elastic wheel, wherein the paint spraying device comprises a main rotating cylinder, a mechanical arm, a sub rotating cylinder, a main paint spraying spray head, a telescopic cylinder and a sub paint spraying spray head; the elastic wheel comprises a wheel body, a connecting plate, a spring connecting rod and a support seat; the wheel body comprises a wheel case, a wheel end cover, an anti-explosion plug and an insert gas pipe connector; the wall climbing paint spraying robot enables all driving wheels to be effectively attached onto the irregular operation surface; the driving force and the attachment force are prevented from being influenced in the operation process; the paint spraying operation can be effectively completed in the large area work condition or complicated work condition environment; the manual paint repair is not needed; meanwhile, the wall climbing paint spraying robot can safely, effectively and flexibly perform paint spraying operation in the inflammable and explosive environment in the limited space on the premise of no need of installing an anti-explosion box.

The invention belongs to the field of safety of coal mine downhole gas extraction and drilling construction, and particularly relates to a gas-slag separation and recovering system for drilling construction, which comprises a drill and a water-spraying dust prevention system, wherein a drill stem kit of the drill is provided with a three-way hole packer; the three-way hole packer is connected with a connection pipe; the connection pipe is connected with a transmission pipeline through a three-way pipe; the connection pipe is provided with a throttling valve which is used for controlling the flow of drill cuttings to prevent the transmission pipeline from being blocked by the excessive drill cuttings; one end of the transmission pipeline is connected with a blower, and the other end of the transmission pipeline is connected with a closed space; the other end of the closed space is connected with a negative-pressure drainage pipe connected to a ground gas extraction system; and the closed space is provided with the water-spraying dust prevention system and a slag removal door which are used for separating the drill cuttings. The recovering system provided by the invention can safely and efficiently separate the drill cuttings and gas in the drilling process of the drill in coal mine downhole gas extraction and drilling construction.

The invention relates to a precast unit top-bottom forming mold closing mechanism for automatically and quickly closing opening upper and lower molds in a precast unit forming mold, and a closing and opening method thereof. The precast unit top-bottom forming mold closing mechanism comprises an upper mold, a lower mold and a controller. A plurality of upper mold locking blocks are fixed to the wall above an opening-closing mold port of the upper mold; the upper mold locking blocks and a plurality of lower mold locking blocks fixed to the wall below an opening-closing mold port of the lower mold form locking ports. Left and right screws are arranged in locking grooves of the upper mold locking blocks through screw support lugs. A plurality of moving locking blocks are fixed on the left and right screws and are in opening or closing fit with the locking ports formed by the upper mold locking bocks and the lower mold locking blocks matching with the moving locking blocks. Two ends of a worm are connected with the left and right screws. A worm-gear drive mechanism is fixed on the upper mold and drives a worm gear; the worm gear drives the worm to move to the left or right.

The invention discloses a railway shunting signal safety early warning system. The system comprises a video data acquisition module, an image analyzer, a signal display screen, a voice prompter and atelecommunication 4G router. Video data can be transmitted to a railway management department through the telecommunication 4G router, and the system plays a crucial role in railway operation and maintenance, engineering construction, disaster prevention and reduction and public security maintenance. Meanwhile, the image analyzer adopts machine vision identification; intelligent video analysis technology, the method comprises the following steps: processing a front video image shot by a vehicle during advancing to obtain a signal lamp and incoming line information; the distance between the signal lamp and the locomotive is calculated in real time, relevant information is displayed through a signal display screen, and a voice prompter is used for carrying out proper voice prompt. The safetystate of the locomotive is comprehensively judged through the color and distance of the signal lamp and the running speed of the locomotive, and a voice prompter is used for voice prompt to guide a driver to drive safely, so that the purpose of safe operation is achieved.

The invention relates to an improving method and an improving system for lean management of a multi-cycle integrated outage plan of a large power grid. The method comprises the steps of determining a positive and negative correlation of main equipment in the power grid by analyzing a power grid topological structure, thus ensuring achieving one-outage and multi-availability of the main equipment and avoiding the occurrence of related outages; predicting a coupling relation between data and outwards transmission channels, a power grid safe operation rule and historical trend data information by analyzing contribution of a clean energy base, and determining the best outage time slot range to ensure a clean energy accommodation capacity; determining equipment groups by analyzing an incidence relation between power grid tie-line data and tie-lines and by one-ticket type circulation processing, and finding a reasonable outage time slot; and reminding of repeated outage requests caused by continuous conventional overhauling by analyzing and comparing historical outage plans, thus reducing unnecessary requests. According to the method and the system provided by the invention, a management model of the multi-cycle integrated outage plan of the large power grid which is based on the power topological structure and meets requirements of the safe operation rule and requirements of accommodation of clean energy is built, so that a lean management level of the outage plan is effectively enhanced.

The invention discloses a device for preventing a coke oven gas main pipe from forming negative pressure. The device comprises the coke oven gas main pipe; a negative-pressure protection nitrogen pressurizing device is communicated with the coke oven gas main pipe; the negative-pressure protection nitrogen pressurizing device comprises a nitrogen pipeline; the nitrogen pipeline is communicated with the coke oven gas main pipe; a gas control valve is arranged on the nitrogen pipeline at the connection part of the nitrogen pipeline and the coke oven gas main pipe; and a nitrogen control valve, a nitrogen pipeline cleaning valve and a gas pressure measuring opening are respectively arranged on the nitrogen pipeline. Meanwhile, the invention further discloses a using method of the device. With the adoption of the device provided by the invention, the coke oven gas operation can be kept at a positive pressure state all along, so that the gas security operation is realized, and the negative pressure tempering explosion of gas heating equipment can be effectively prevented.

The invention discloses an automatic uncovering medicine decocting machine. The automatic uncovering medicine decocting machine comprises a pot cover and a pot body, and further comprises a lifting driving mechanism and a rotary driving mechanism, wherein the lifting driving mechanism drives the pot cover to ascend and descend relative to the pot body; the rotary driving mechanism drives the pot cover to horizontally rotate relative to the pot body; and the lifting driving mechanism and the rotating driving mechanism work in a coordinated mode to drive the pot cover to ascend and rotate to stagger the opening of the pot body or drive the pot cover to rotate to reset and descend to close the opening. According to the automatic uncovering medicine decocting machine, the lifting driving mechanism and the rotary driving mechanism are arranged and controlled to work cooperatively to jointly complete automatic opening and closing of the pot cover, the purpose of safe operation is achieved, manual labor is reduced, the production efficiency is improved, and the medicine decocting quality is guaranteed.

Provided is a magnetic coupling gearbox. The magnetic coupling gearbox comprises an input assembly, a box body, an oil-water line system, an output assembly, a speed control gear system, a speed control gear system base seat, an output shaft, an oil return pipe and an output end flange. The input assembly is coupled with the output assembly through magnetic force, adjustable air gaps are arranged between the input assembly and the output assembly, and the speed control gear system is connected with the output assembly and installed on the speed control gear system base seat. The output shaft is connected with the speed control gear system, the output end flange is arranged on the box body, and the oil-water line system is connected with the oil return pipe. The input assembly is steel rotors with copper rings, and the output assembly is permanent-magnetic stators and is aluminum stators with permanent-magnetic materials. The magnetic coupling gearbox has the advantages of solving the problems that speed change classification in existing mechanical transmission is high in energy consumption and cost and difficult to maintain, does not have overload protection, or hidden safety risks and shakes exist on the overload protection, the overload protection influences service life of other components and the like, solving the problems to the maximum, and achieving safe operation.

The invention discloses a fault alarm device of magnetic sensor. The fault alarm device is mounted on the magnetic sensor, and consists of a voltage comparer and a fault alarm. The fault alarm device provided by the invention is mounted on the magnetic sensor so as to enable an AGV (automatic guided vehicle) to correct the mistake automatically after the AGV is misled to a wrong route, thereby preventing damages to the AGV and equipment on the AGV, and ensuring safe operation.

The invention provides a method for estimating charging load of an electric vehicle and optimization of the charging mode. The method for estimating the charging load of the electric vehicle and optimization of the charging mode comprises the steps that firstly, distribution of the charging starting time and charging duration of the electric vehicle is analyzed, and probability density function ofthe charging starting time and charging duration is established; secondly, the Latin hypercube-Monte Carlo statistical method is utilized to estimate the charging load of the electric vehicle, and the charging load curve of the electric vehicle is acquired; thirdly, multiple objective function of charging equipment of a charging station is established; and fourthly, the maximum charging load of the electric vehicle on the day is adopted as the constraint condition, genetic particle swarm optimization is utilized to optimize the multiple objective function, and the optimal allocation of the charging equipment of the charging station is output. According to the method for estimating the charging load of the electric vehicle and optimization of the charging mode, the Latin hypercube-Monte Carlo statistical method is utilized to estimate the charging load curve of the electric vehicle, and the rate of convergence is improved; and in addition, disordered charging behavior of the electric vehicle is optimized through genetic particle swarm optimization, proportion of the charging equipment of the charging station is acquired, and the method can be used for the optimized allocation problem of charging equipment of multiple types.

The invention discloses a steel wire rope adjusting device. The device comprises a support, a steel wire rope pressing plate, a sliding chute, a positioning plate, an adjusting nut, an adjusting screw, a guide rod, a steel wire rope fixing bolt pair, a positioning bolt pair and a nut fixing bolt pair. When the steel wire rope adjusting device is assembled, the lower plane of the support is fixedly arranged on an installation plane, the ends of steel wire ropes pass through the middle parts of the support and the steel wire rope pressing plate, the steel wire rope fixing bolt pair is tightened, the steel wire rope pressing plate is put in the middle of the support, the positioning plate is put in and the positioning bolt pair is tightened. When the steel wire ropes need to be adjusted, the tightened positioning bolt pair is loosened and the positioning plate is taken away, and the operation end of the adjusting screw is clamped by utilizing special tools, such as a wrench, to be rotated, so that the adjusting nut, the steel wire rope pressing plate and the steel wire ropes can move toward the needed adjustment directions together. The problem of height difference or inclination, caused by inconsistence of the length of the steel wire ropes due to various reasons, such as machining deviation and installation deviation of a drum and characteristic deviation of the steel wire ropes, of a lifting appliance can be solved by adopting the steel wire rope adjusting device.

The invention discloses an embedded intelligent steaming and baking oven. The steaming and baking oven comprises a case, an inner cavity, a controller and a control panel, wherein the controller is connected with the control panel, the control panel is mounted at the upper end part of the case, and the intelligent steaming and baking oven is characterized in that the controller is a PLC, the PLC comprises a data acquisition module, an alignment execution module and a preset module, the data acquisition module is connected with a temperature sensor, a humidity sensor and an air pressure sensor,and the three sensors are all arranged in an inner cavity; a preset key is arranged on the control panel and is connected with a preset module; and the alignment execution module controls a humidifier, a heater and a micro sucking pump which are all mounted in the case. The humidity, the temperature and the air pressure of the steaming and baking oven are monitored in real time, and the humidity,the temperature and the air pressure of the steaming and baking oven are adjusted in real time according to the detection parameters and the preset parameters, so that the humidity, the temperature and the air pressure meet the preset requirements in the whole steaming and baking process, and the steaming and baking effect is improved; and one-key control is achieved, and great convenience is achieved.

The invention discloses a complete set technology of a telescopic series derrick balance lifting system. The technology comprises that four brake handles (10) and four synchronous separation and reunion right-angle tooth-connected rotating wheels (8) and (9) are designed. The complete set technology further comprises an advanced method for using and operating (8), (9) and (10). The telescopic series derrick balance lifting system is characterized in that diagonal traction of a long and heavy steel wire rope which is originally used for lifting a derrick is eliminated; four short, light and flexible four-corner tractors (3) are rotationally converged on (5) through four (4); the (5) is used for transmitting power on (6) to keep the lower end of the derrick in the center of an iron tower in the lifting process. Four rotating wheels (8) and (9) are separated and combined in a combined manner, and four (7) can be moved correspondingly and respectively to make preparation for lifting of the derrick. The derrick is adjusted through the (10) during lifting, and the (8) and the (9) are adjusted to be synchronous and at the same speed in the lifting process by the derrick through the (10). By adopting the complete set technology and the advanced method thereof, the potential safety hazard that the derrick is deviated from the gravity due to the fact that the original conservative operation is eliminated, the human fatigue can be relieved, the operation time is shortened, and the construction benefit is increased. The telescopic series derrick balance lifting system is worthy of large-scale popularization.

Provided is a magnetic coupling reduction box. The magnetic coupling reduction box comprises an input assembly, a left coupling, a connector, a rack, a magnet assembly, a speed regulation jacket, a roller, a handlebar, an output shaft assembly, a supporting seat, a right coupling and a control mechanism. The input assembly is connected with the output shaft assembly through the magnet assembly, the left coupling is connected with the input assembly, the connector is connected with the rack, the speed regulation jacket is connected with the output shaft assembly through the roller, the output shaft assembly is connected with the right coupling, the control mechanism is connected with the output shaft assembly, and the handlebar is installed on the speed regulation jacket. The magnetic coupling reduction box has the advantages of solving the problems that speed change classification in existing mechanical transmission is high in energy consumption and cost and difficult to maintain, does not have overload protection, or hidden safety risks and shakes exist on the overload protection, the overload protection influences service life of other components and the like, solving the problems to the maximum, and achieving safe operation.

The invention relates to a virtual drilling equipment system for drilling process optimization. The virtual drilling equipment system can generate equipment signals to optimize drilling processes. The system comprises a drilling process language module, an equipment signal language module and a signal generator module; a drilling engineer can set operation processes and compile the operation processes into signal call instructions through the drilling process language module, wherein the operation processes include an operation sequence, parallel operation, sequential operation and operation duration; a control system engineer can define equipment signals of operation through the equipment signal language module, and the equipment signals can be compiled into an equipment signal library which is stored in a signal generator; and when drilling operation simulation is performed, the signal generator receives the signal call instructions outputted by the drilling process language module so as to call a corresponding signal generation method from the signal library, and corresponding signals can be generated. The virtual drilling equipment system for drilling process optimization of the invention can be used by the drilling engineer having no control system knowledge independently. With the virtual drilling equipment system for drilling process optimization of the invention adopted, the optimization cycle of equipment operation can be greatly shortened; and repeated comparison, verification and modification can be performed, and therefore, the drilling processes can be optimized, and production efficiency can be improved, and safe operation can be realized.

The invention discloses a safe startup control device for an engineering machinery auxiliary function. The device comprises a location sensor arranged on a cab seat, a first relay K1 triggered by thelocation sensor, a safe switch S2, a third relay K3 controlled by an auxiliary function switch S1 and a pressure switch S3, wherein the on-off of the pressure switch S3 is controlled through oil outlet pressure of an auxiliary function electromagnetic valve Y. whether a machinist operates in the cab or leaves the cab can be detected through the safe switch and the location sensor, and the relay istriggered to perform different actions according to a detection result, a safe operation aim can be achieved by only needing one workers, the manpower cost is saved, and the safety operation aim is achieved; the cost is low, the realization is easy, and the good safe operation aim can be achieved.

The invention relates to a plugging head for effectively preventing oil leakage of a high voltage breaker hydraulic mechanism and a manufacturing method thereof aims to solve a problem of incapabilityof effectively plugging an oil nozzle when oil leakage of the hydraulic mechanism is aggravated because of external interference existing in a high voltage breaker. The plugging head comprises a fastening portion, a plugging portion and a locking mechanism, wherein the fastening portion and the plugging portion are respectively a hollow cylindrical structure, a bottom surface of the plugging portion is enclosed, the fastening portion is coaxially fixed at an upper portion of the plugging portion, inner walls of the fastening portion and the plugging portion gradually contract from the top portion of the fastening portion, and the locking mechanism surrounds and is further hooped at an outer wall of the fastening portion. According to the manufacturing method of the plugging head, a semi-vulcanized rubber material is injected to a chamber of a die, the rubber material is then heated till complete sulfuration is realized, pressurization molding is further carried out, after cooling, demolding is carried out. The plugging head is advantaged in that an oil leakage portion can be effectively plugged when oil leakage because of vibration of a high voltage switch mechanism device occursor oil leakage can not be stopped through power failure.

The invention relates to a test joint which comprises an upper joint, a lower joint and a testing instrument pipe string, wherein an upper wire protection cover is arranged outside the upper end of the upper joint in a sleeving manner, and the lower end of the upper joint is connected with the lower joint; the upper end of the lower joint is hermitically connected outside the lower end of the upper joint in a sleeving manner; a lower wire protection cover is hermitically arranged outside the lower end of the lower joint in a sleeving manner; a screwed plug is mounted and arranged on one side of the upper end of the lower joint; a detection hole is obliquely formed in the outer wall of one side of the upper end of the lower joint; union covers are arranged on the outer side of a connection part of the upper joint and the lower joint and the outer side of a connection part of the lower joint and the lower wire protection cover in a sleeving manner; clamping tiles are mounted between the union covers and the upper and lower joints; the radial directions and the axial directions of the clamping tiles and the lower union covers are fixed by fasteners; the testing instrument pipe string comprises a quick joint, a needle valve, a tee joint and a pressure gauge which are connected with one another. The test joint is convenient to mount and detach and is convenient to operate and use; after the test joint is reassembled, the sealing property can be quickly tested; the on-site tool string running time is saved; the potential safety hazard is reduced; the production efficiency is improved.