50results about How to "Hazardous security" patented technology

The invention discloses an interchangeable, singularity-avoiding, seven-degree-of-freedom robot for rehabilitation of the exoskeletons of upper limbs. The robot comprises seven joint movement of outward extending and inward folding of shoulders, bending and stretching of the shoulders, inward rotation and outward rotation of big arms, bending and stretching of elbows, inward rotation and outward rotation of forearms, outward extending and inward folding of wrists and bending and stretching of the wrists, wherein joints are directly driven by a motor, and rotating joints of the big arms and forearms are driven by gears. Stepless adjustment of the length of arm levers and the distance between the exoskeletons of the two arms is realized through cooperation of fasteners and sliding grooves. The robot has convenient disassembly and assembly, the configuration of degree of freedom is in accordance with the human physiology, and the robot has an adjustable size and singularity-avoiding joints, and can be applied to training of mobile sitting postures and fixed-type standing postures; a wheelchair and a fixed mounting rack can be adopted to install the exoskeletons separately, and each single-arm exoskeleton of the robot has the characteristic of application in interchangeable training of left hands and right hands, so that the application cost is reduced; and the robot has three modes of passive training, active training and resistance training for different rehabilitation stages, mirroring training and demonstration training can be performed during passive training, and the robot has high practicality, and can be used by medical institutions.

The invention relates to a mercury recovering and residue harmless treatment process for a waste mercury catalyst. On the basis of the technological process of an existing distillation method, a technology processing method involving a high temperature rotary kiln, a second combustion chamber, quenching and activated carbon adsorption is added to waste activated carbon residues discharged out of adistilling furnace, so that the residues produced by the distilling furnace are completely converted into common solid waste residues and duly handled, and the problem that the residues cause secondary environment pollution in the previous technological process and need to be transferred to a unit with the further handling qualification is solved.

The invention relates to the technical field of underground mine ventilation equipment, in particular to a mine gas, blasting fume and dust separation ventilation system. The system comprises fans and a blowdown stack; the top of a mine main roadway is provided with a main air return channel which is connected with the blowdown stack; the tops of branch roadways on two sides of each stope of a mine are provided with branch air return channels which are communicated with the main air return channel of the mine so as to form a double-air inlet double-air return system of the stope; the fans are arranged on the connection parts of the branch air return channels and the main air return channel; one end of each branch air return channel is connected with the fan, and the other end of each branch air return channel is provided with an air inlet; and each branch air return channel is provided with a ventilation control device which consists of exhaust openings formed in the sides of pipe bodies of the branch air return channel and valves matched with the exhaust openings. Different air flow of each section of the roadway and the requirement can be adjusted. The separation ventilation system is also suitable for ventilation of other underground mines.

The invention provides laying equipment which comprises a mounting platform and a lifting device. The mounting platform can move along mounted tracks arranged at the bottom of a bridge and is used for placing to-be-mounted tracks. The lifting device is mounted on the mounting platform and is used for lifting the to-be-mounted tracks to the butt joint position of the bottom of the bridge and the mounted tracks. Through the lifting device, the to-be-mounted tracks can be lifted to the appointed position without redundant manpower, manpower is replaced by the mechanical equipment, the load borne by the whole mounting platform can be greatly decreased, meanwhile, the situation that shaking of a whole truss platform in the sky is prone to being caused by operating workers in the moving process can further be avoided, stability of the whole device under a working state is improved, and security problems are avoided.

The invention discloses a windproof and rainproof device of a new energy charging pile. The windproof and rainproof device comprises a mounting box, a mounting cavity is formed in the mounting box; apower generation mechanism is arranged in the mounting cavity; the power generation mechanism comprises a power generation box which is slidably mounted in the upper end wall of the mounting cavity and connected to the outside of the mounting box, and a rack is arranged on the left end surface of the power generation box; a discovery cavity is formed in the power generation box, a moving groove isformed in the upper end face of the power generation box, a magnetic plate is slidably mounted in the moving groove, and a moving spring is fixedly connected between the right end face of the magnetic plate and the right end wall of the moving groove. When it is windy and rainy, the new energy charging pile needs to be protected, the power generation box is promoted to move into the mounting boxto be protected, windproof and rainproof protection is conducted on the new energy charging pile by pushing the baffle, and rapid aging of the charging pile is avoided.

The invention discloses a wind power generation controller failed remote upgrade recovery method based on ARM. The wind power generation controller failed remote upgrade recovery method comprises (1) sending an upgrade instruction to an ARM processor, entering a Bootloader after the upgrade instruction is received; (2) sending a jump instruction to the Bootloader and jumping to an upgrade application APP1; (3) controlling the APP1 to receive upgrade data, erasing the FLASH address of the application to be upgraded first, then starting to upgrade the FLASH write-in of data, and finally obtaining the upgraded application APP2; (4) sending an upgrade complete instruction to the APP1, entering the Bootloader, and verifying the size of the APP2, if the verification result is correct, jumping to the APP2 and completing the upgrade; if the verification result is incorrect, waiting for a host computer to send a new upgrade instruction. According to the invention, the problem that after the upgrade process is interrupted, the system cannot hang up the upgrade task again is solved.

The invention discloses a power fault information real-time acquisition and diagnosis system based on cloud data. The system mainly comprises a cloud data center, an early-warning predicating system,an acquiring and positioning system, an infrared image analysis system, an accessing retrieval system and a reporting fault pre-checking system. The cloud data center comprises a cloud database, a cloud computing system and an authority distributing system. The cloud database is used for storing system data. The cloud computing system is used for processing and computing various data in the system. The authority distributing system is used for performing authority grading on the data in the cloud database. The cloud data center is connected with the early-warning predicating system, the acquiring and positioning system, the infrared image analysis system, the accessing retrieval system and the reporting fault pre-checking system. The power fault information real-time acquisition and diagnosis system can acquire power information in real time and performs prediction diagnosis. Furthermore the power fault information real-time acquisition and diagnosis system performs data management incooperation with cloud data. The power fault information real-time acquisition and diagnosis system has advantages of high safety, high accuracy and high convenience in using the system.

The invention discloses a turbo generator unit force oscillation detection and control method and system. The turbo generator unit force oscillation detection and control method comprises the steps ofmeasuring the rotating speed of a turbo generator unit and power grid frequency in real time; calculating the difference value between the rotating speed of the turbo generator unit and the corresponding rotating speed of the power grid frequency; judging whether the difference value between the rotating speed of the turbo generator unit and the corresponding rotating speed of the power grid frequency exceeds the set value or not, and if the difference value exceeds the set time, beginning to carry out timing and carrying out counting; when the time number that the difference value exceeds the set value is up to the set time number, considering that the turbo generator unit is being in oscillation, sending primary frequency modulation exiting and coordination control mode instructions tothe turbo generator unit, and giving out an alarm signal; and if the difference value in one minute cannot be up to the set time number, carrying out counting again. Force oscillation can be detected,and can be prevented from continuously happening, and the danger of long-time oscillation of the turbo generator unit to the unit safety can be prevented.

The invention provides a system and method for gravity dust removal and ash discharging of a blast furnace. The system comprises a gravity dust collector and a middle ash bin, wherein the gravity dustcollector is connected with the middle ash bin through an ash discharge pipeline, a joint between the ash discharge pipeline and the gravity dust collector is located at the lower part of a grid in the gravity dust collector, and a diffusion pipeline is arranged at the top of the middle ash bin; and a star-shaped cinder valve is arranged on a discharge port in the bottom of the middle ash bin, the bottom of the middle ash bin is connected with a suction and discharge tanker through a nitrogen conveying loop, and the side edge of the middle ash bin is connected with a nitrogen purging and pressure equalizing loop and a nitrogen balance fluidization loop. According to the system and method, by arranging the middle ash bin and arranging the diffusion pipeline, the nitrogen purging and pressure equalizing loop and the nitrogen balance and fluidizing loop on the middle ash bin, the pressure difference between the middle ash bin and the gravity dust collector in the ash discharging processis controlled, and the problems that because existing gravity dust collection gas ash contains blast furnace gas and the blanking pressure difference is large, a pipeline valve is abraded is solved, and the smooth, safe and efficient ash discharging and conveying of gravity dust removal ash materials are achieved.

The invention provides a self-service bill paying system based on radio frequency identification. The self-service bill paying system comprises a control computer, radio frequency identification tags,a radio frequency identification reader-writer, a display module and a self-service bill paying device. The radio frequency identification tags stores commodity information, and each commodity is provided with a radio frequency identification tag. The radio frequency identification reader-writer is connected with the control computer in a communication mode for identifying information of the radio frequency identification tags. The display module is electrically connected to the control computer, and the self-service bill paying device is electrically connected to the control computer. The control computer is used for judging whether the commodities are expired or not. According to the self-service bill paying system based on the radio frequency identification, the radio frequency identification tags are introduced on the basis of an existing self-service bill paying device, and the shelf life of the commodities is judged through the recorded commodity information, so that the commodity quality of commercial retail enterprises is effectively guaranteed, and customers are avoided to buy expired commodities which endanger the health and safety of the customers.

The invention discloses a dust-proof punching device for a decorative wood board, and belongs to the field of interior decoration. The dust-proof punching device for the decorative wood board comprises a workbench, wherein a protective frame is arranged on the workbench; a first lifting rod is arranged on the inner wall of the top end of the protective frame; an abutting plate is arranged at the bottom end of the first lifting rod; a second lifting rod is arranged at the top end of the protective frame; a rotary motor is arranged on the second lifting rod; a drill bit is detachably arranged onthe rotary motor; a through hole is formed in the center of the workbench; a dust collector is arranged on a supporting leg; a telescopic rod is arranged on the inner wall of the protective frame; aclamping plate is arranged on the telescopic rod; a support is arranged on the side wall of one end of the workbench; a rotary drum is movably arranged on the support; one end of protective cloth is fixedly arranged on the rotary drum; and the protective cloth penetrates through a fixed pulley. According to the dust-proof punching device for the decorative wood board, the wood board is tightly pressed to be prevented from slipping, so that decorative wood plate is punched conveniently later, and the subsequent interior decoration by using the decorative wood board material is facilitated; andthe air pollution caused by the splashing of fine chips is avoided, the safety of the respiratory tract of workers is guaranteed, the working environment of interior decoration is improved, and the dust-proof punching device for the decorative wood board is convenient to use.

The invention relates to a closed storage tank cathode protection potential monitoring device. The monitoring device comprises a monitor and a reference electrode, wherein the monitor is connected with the reference electrode through a cable, the monitor is connected with a closed storage tank through the cable, the reference electrode is located in the closed storage tank, and the monitor is located outside the closed storage tank. According to the closed storage tank cathode protection potential monitoring device, the cathode protection potential of the closed storage tank (sacrificial anode / forced current) can be monitored in corrosive environments with high H2S content, high temperature, high salt-containing oil-gas-water and the like, and the effect of cathodic protection on the innerwall of the storage tank is evaluated so as to be adjusted in time, so that the service time of equipment is prolonged.

The invention discloses a hardness detection device for an all-glass vacuum blank tube, and belongs to the field of hardness testing. The hardness detection device comprises a box body, support platesfixedly connected to two sides of the upper part of the box body, a top plate fixedly connected to the upper parts of the support plates, a mounting frame mounted at the upper part of the top plate,a driving motor fixedly connected to the right side of the mounting frame, and a screw rod fixedly connected to the left side of the driving motor, a movable block is in threaded connection with the middle of the lead screw, an electric telescopic rod is fixedly connected to the lower portion of the movable block, a pressure sensor is installed on the lower portion of the electric telescopic rod,a hydraulic rod is fixedly connected to the lower portion of the top plate, a fixing plate is fixedly connected to the lower portion of the hydraulic rod, and a protective cover is installed on the lower portion of the fixing plate.A clamping seat is fixedly connected to the middle of the upper part of the box body; A clamping sleeve is installed on the upper portion of the clamping base, and a fixing screw is in threaded connection with the upper portion of the clamping sleeve. The device is simple in structure, capable of protecting the safety of detection personnel and collecting detected waste, high in practicability and worthy of use and popularization.

The invention discloses an offshore wind power generation device with a seabed compressed air energy storage function. The device comprises a supporting rod, a casing, anchor chains, rotary impellers,a generator set, a yaw adjusting assembly, a lifting mechanism, a floating object collecting mechanism and an anti-collision protection mechanism. The supporting rod is vertically arranged, and one end of the supporting rod is connected with the casing. The other end of the supporting rod is fixedly connected with the anchor chains. The ends, away from the supporting rod, of the anchor chains arefixedly connected with the seabed ground. The rotary impellers are rotationally connected with one side of the casing, the generator set is located in the casing, and the yaw adjusting assembly is located at the joint of the casing and the supporting rod. One end of the lifting mechanism is connected with the side, away from the rotary impellers, of the casing. The other end of the lifting mechanism is arranged at the end, far away from the casing, of the supporting rod in a penetrating mode. The floating object collecting mechanism is arranged in the middle of the supporting rod in a penetrating mode, one end of the anti-collision protection mechanism penetrates through the interior of the lifting mechanism, and the other end of the anti-collision protection mechanism extends towards theseabed ground along the anchor chains. The generator set, the yaw adjusting assembly, the lifting mechanism and the anti-collision protection mechanism are electrically connected.

The invention relates to a method and system for testing the internal condensation condition of a battery. The method for testing the internal condensation condition of the battery comprises the following steps: acquiring real internal condensation parameter information of the battery; establishing an equivalent substitution model of a real battery according to the water condensation parameter information; detecting the equivalent substitution model in the equivalent test environment working condition, and acquiring the equivalent condensate amount of the equivalent substitution model; according to the equivalent condensed water amount, obtaining a real condensed water amount in a real battery. Therefore, by establishing the equivalent substitution model, the real condensate amount in thereal battery can be obtained; meanwhile, the equivalent substitution model can be disassembled, assembled and replaced at any time, the test cost is lower than the test cost of the real battery, and through the equivalent substitution model, the safety of experimental equipment personnel is prevented from being harmed due to high-voltage leakage of the real battery.

The invention discloses a connecting piece which is used for a box shell of power equipment, the connecting piece comprises a main body piece, two ends of the main body piece are respectively used for being connected with different components of the box shell, and the main body piece can deform; the main body piece is used for exploding in the box shell, and when the different components connected through the main body piece in the box shell are separated from each other, deformation occurs. According to the connecting piece, the main body piece can deform when devices in the box shell explode and different components connected through the main body piece in the box shell are separated from each other, so that the two components connected through the main body piece in the box shell are separated from each other in a small range to form a gap, and the explosion pressure in the box shell is discharged and relieved; and the two components of the box shell are always connected through the main body piece, so that the components of the box shell and explosive foreign matters in the box shell are prevented from flying out, and the safety of equipment and personnel around the site is guaranteed. The invention further discloses the box shell of the power equipment, which uses the connecting piece and can prevent the safety of other equipment and personnel on site from being harmed when internal devices explode.

The invention discloses a single battery temperature and pressure gas composite sensing optical fiber probe, a system and application. A single battery temperature and pressure gas composite sensing optical fiber probe, a temperature and pressure sensing optical fiber probe and a gas sensing optical fiber probe; the temperature and pressure sensing optical fiber probe comprises a first single-mode optical fiber, a germanium-doped single-mode optical fiber and a microstructure optical fiber which are connected in sequence; a commercial single-mode fiber Bragg grating is engraved on the germanium-doped single-mode fiber and is used for sensing temperature; a pressure sensitization fiber bragg grating is engraved on the microstructure fiber and is used for sensing pressure; and the gas sensing optical fiber probe comprises a second single-mode optical fiber and a hollow-core light guide optical fiber which are connected with each other. The battery temperature and pressure gas quasi-distributed optical fiber sensing system comprises a sensing module, a demodulation module and a multi-path optical switch module, the sensing module comprises a plurality of temperature and pressure gas single battery composite sensing optical fiber probes. The safety of the power battery pack is effectively guaranteed by monitoring the temperature and pressure gas of the single batteries in real time.

The invention belongs to the technical field of machining equipment, and particularly discloses a deburring mechanism. The deburring mechanism comprises a support column, and an adjustment guide railis mounted on the upper end of the support column; a guide rail seat is mounted on the upper end of the adjustment guide rail, and a guide rail is arranged on the guide rail seat in a penetrating mode; a nut mechanism is installed at one end of the guide rail, and a deburring disc seat is installed at the other end of the guide rail; the deburring disc seat comprises a drive motor, and the drive motor is sequentially connected with an input shaft, a flexible shaft and a transmission shaft; the input shaft is sleeved with a disc, and the input shaft is connected with the flexible shaft; the transmission shaft is sleeved with a fixing seat, and a plurality of springs are arranged between the disc and the fixing seat; a deburring disc is connected to the transmission shaft, and the deburringdisc is rotatably connected with the fixing seat; a recessed cavity is formed inside the deburring disc, and one end of the transmission shaft extends into the recessed cavity and is provided with fanblades; and the side wall of the recessed cavity is symmetrically provided with one-way valves, the fixing seat is provided with rotating joints in a penetrating mode, and a protective disk is arranged on the periphery of the deburring disc. According to the technical scheme, burrs on the surfaces of workpieces can be effectively removed, and the safety of workers during the operation can be ensured at the same time.

The invention relates to a cushion plate device, in particular to a cushion plate device for a mason. The height can be adjusted, supporting structures are arranged at the two ends and the middle of a top plate, and therefore, the situation that the top plate rolls over is avoided, and consequently worker safety is harmed is avoided. A stretch-retract climbing ladder is further arranged and can be applied to top plates with different heights, and a worker can conveniently go up and down the top plate. Sliding plates are in clearance fit with sliding grooves IV in bottom plates; screws are in clearance flit with thread holes, one ends of the screws are arranged at the left ends of the bottom plates through bearings, and the other ends of the screws are connected with rotating shafts of motors. The bottom ends of supporting rods I are movably connected to the sliding plates through hinges. Connecting rods are fixedly connected with cross beams I. The cross beams I are fixedly connected in inserting grooves through bolts. The top ends of supporting rods II are movably connected to the bottom ends of the two sides of the top plate through hinges, and the bottom ends of the supporting rods II are fixed in sliding grooves I through bolts. The top end of the stretch-retract climbing ladder is movably connected to the middle of the side face of the top plate through a hinge.

The invention relates to the related technical field of construction waste, and in particular, relates to a dustproof device for high-altitude construction waste collection. The invention aims to provide the dustproof device for high-altitude construction waste collection so as to solve the problems that construction waste is scattered all around and dust is easy to raise to influence the construction environment when a wall surface is treated at a high altitude. The dustproof device comprises a telescopic collecting box; an expanding collecting mechanism is arranged in the telescopic collecting box; a garbage collecting cavity with an opening facing the sky is formed in the telescopic collecting box, an inclined face dredging plate is arranged on the side, away from the wall face, of the garbage collecting cavity, and expanding collecting grooves are formed in the two sides, perpendicular to the wall face, of the telescopic collecting box; and expansion collecting shafts are symmetrically arranged on the two sides, in the horizontal direction of the wall face, in each expansion collecting groove, and telescopic collecting plates are arranged on the expansion collecting shafts on the two sides.

The present invention relates to a fast plugging device and method. The device includes a folding board, a folding device, a traveling wheel, a control device and a power supply device. The folding board includes a movable folding board and a fixed folding board. The rotation is connected to both sides of the fixed folding display board. When the movable folding display board is rotated to the same plane as the fixed folding display board, the edge line of the movable folding display board and the fixed folding display board are spliced ​​into a complete rectangle; the traveling wheels are connected to the bottom of the fixed folding display board through an electric cylinder; The display device and the electric cylinder are electrically connected with the single-chip electromechanical device, and a control panel is arranged on the surface of the fixed folding display board, which is connected with the single-chip computer; the power supply device supplies power to the device. The invention divides the goaf and the mining area into two parts reasonably by means of partition, so as to prevent gas explosion accidents in the mining area from flowing to the goaf, and at the same time, prevent oxygen from flowing to the goaf to support combustion of residual coal. Avoid the potential safety hazards caused by the burning of residual coal.

The invention relates to the field of cloud storage, and discloses a cluster type camera data storage system and device based on cloud storage, and the system comprises a client API module which is used for user login, verification of recorded information, and establishment of an information intercommunication channel; the API processing module is used for processing the data information, analyzing the data information and planning an algorithm; the management server cluster module is used for a core control program and a sending operation instruction program; the load balancing module is used for cooperating with data analysis and processing and improving network flexibility and availability; the working server cluster module is used for integrating operation data and deducing and finishing a processing instruction; the node monitoring module is used for monitoring data attributes and controlling loading and unloading of data; and the storage module is used for storing the data information in a database. The stability and performance of the system during use are improved, the availability is improved, the system service dead time is shortened, the capacity expansion is simple, the data processing efficiency is high, and the data throughput is increased.

The invention discloses an aero-engine blade fluorescent penetrant detection device and a use method, and belongs to the technical field of aero-engine blade detection. The aero-engine blade fluorescent penetrant detection device comprises a mounting shell, and the inner wall of the mounting shell is rotationally connected with a fixed cylinder; in the detection process, the suction nozzle is used for sucking and fixing the airspace engine blade, on one hand, the arc-shaped engine blade can be sucked and fixed, the situation that the detection is affected due to the fact that the engine blade shakes in the detection process is avoided, and on the other hand, clamping of a clamping piece on the engine blade is avoided, so that the detection efficiency is improved. The whole surface of the engine blade can be completely detected, the situation that the edge of the engine blade is blocked due to the fact that a clamping piece is used, complete detection cannot be conducted, and the quality of the produced engine blade is affected is avoided, the engine is automatically overturned and fixed through butt joint of installation grooves in a fixing cylinder and a switching cylinder, manual disassembly and assembly are not needed, and the production efficiency is improved. The workload of workers can be reduced, and the damage to the engine blade during disassembly and assembly can be reduced.

The invention discloses a fire air disaster air particulate pollutant environmental protection treatment projection egg and relates to the technical field of environmental protection. The fire air disaster air particulate pollutant environmental protection treatment projection egg comprises an impact bottom shell. A magnetic adjusting mechanism is fixedly connected to the middle position of the bottom of an inner cavity of the impact bottom shell. A magnetic tightening mechanism is movably connected to the position, located on the outer portion of the magnetic adjusting mechanism, of the top of a limiting plate. The end, far away from the magnetic tightening mechanism, of a tightening string is connected with a bow-shaped catapulting part. The bottom of an inner cavity of a projection eggouter shell is provided with an air bag. The inner surface of a shielding plate is slidably connected with a suspension guide mechanism. A dry ice storage egg is arranged in the middle position, located above the suspension guide mechanism, of the inner cavity of the projection egg outer shell. Through the fire air disaster air particulate pollutant environmental protection treatment projection egg, the air is condensed moisture, the moisture is attached to particulate pollutants, the weight of the particulate pollutants is increased, the particulate pollutants drip, the temperature of the ambient environment is reduced, and superheating evaporation is avoided, so that the particulate pollutants are cleaned more efficiently and thoroughly, the perniciousness of a fire is reduced, the ambient environment can be protected, and the fire air disaster air particulate pollutant environmental protection treatment projection egg effectively guarantees security of personnel through close contact.