48results about How to "Good for long term work" patented technology

The invention discloses a visual sensor based remote drosophila monitoring system. The monitoring system comprises a solar power supply device, a drosophila trapping device and a control monitoring device; the solar power supply device is composed of a solar panel, a support frame and a solar battery; the drosophila trapping device comprises a top cap, a transparent communicating piece, a trapping bottle, a protective shell and a camera, and the top cap is connected with the trapping bottle through the communicating piece; the communicating piece is mounted in the protective shell, the camera is mounted on the inner wall of the protective shell, and a camera head of the camera faces the communicating piece; the control monitoring device comprises a Fit-pc microcomputer, a 3G (third-generation) communication module and a remote server, the remote server is connected with the Fit-pc microcomputer through the 3G communication module, and self-developed drosophila monitoring and counting software for realizing automatic monitoring and counting is mounted and runs in the Fit-pc microcomputer. The invention further discloses a monitoring method of the monitoring system and a drosophila monitoring and counting method. The monitoring system is simple and reasonable in structure, data are processed and analyzed in real time remotely, and intelligentization of drosophila monitoring is improved.

The invention provides a method and a device for telemetering the torque moment of a drill stem. The method and the device are characterized in that a lower short circuit is arranged between a square drill stem and the drill stem to collect and transmit data; an upper short circuit is arranged on the position of a mouth of a horn to receive and transmit data; a torque moment signal collected by a parameter collection board in the lower short circuit is transmitted to a sending coil to be converted into an alternating magnetic field; a receiving coil in the upper short circuit converts the induced alternating magnetic field into an alternative electric signal, and transmits the alternative electric signal to a demodulation board to obtain a torque moment signal by demodulating; and the signal is transmitted to a computer or display record equipment through a data cable and a connector. The method and the device have the advantages of directly and effectively completing uploading of measurement on the torque moment of the drill stem in real time with low electric energy consumption and function extension convenience. The method and the device are applicable to a power drill of a diesel engine.

The invention discloses a mechanical coal mining system and method for a steeply-inclined thick coal seam, and relates to the technical field of coal mining. The mechanical coal mining system and method mainly aims to improve the yield, the mining efficiency and the coal mining safety of a coal mining working face. According to the main technical scheme, the coal mining system comprises the working face, a transportation roadway, an air return roadway, a shield bracket, an excavation and mining machine, an excavator and a scraper conveyor; the transportation roadway and the air return roadwayare arranged on the two sides of the working face in an inclined mode, one ends of the transportation roadway and the air return roadway communicate with the working face, and the other end of the airreturn roadway conducts air return through an air return cross-cut; the working face is arranged along the trend of the coal seam, the coal wall of the working face is in the horizontal state, and the working face is excavated downwards along the coal seam in an oblique mode; the shield bracket is supported between a roof and a floor of the coal seam and used for supporting a goaf; the excavationand mining machine and the excavator are located on the working face; and the scraper conveyor is located on the working face and used for conveying coal transferred by the excavation and mining machine to the transportation roadway. The mechanical coal mining system and method is mainly used for mechanical mining of the steeply-inclined thick coal seam.

The invention specifically relates to a continuous anodic electrolytic cell for preparing a high performance aluminum alloy, which solves the problems that the existing aluminum electrolytic cells are complex in operation and hard to control. A continuous anodic device is composed of an anodic body and an anodic box body, wherein a metal frame is arranged on the upper portion of the box body, a sealing shield plate frame is arranged on the lower portion of the anodic box body, a bearing hook is arranged between a sublayer current conducing rod and a bearing hook connecting piece arranged on the metal frame, one or two of a padding frame and a crust breaking and blanking exhaust mechanism are arranged between the metal frame and the anodic body, padding in the padding frame is prepared by scandium, titanium, manganese, copper, zinc, strontium, silicon, nickel, chromium, magnesium and rare earth which have a positive reduction potential higher than that of aluminum, or prepared by hydroxide, oxide, fluoride, chloride, sulfide, phosphate, sulphate and carbonate of the scandium, the titanium, the manganese, the copper, the zinc, the strontium, the silicon, the nickel, the chromium, the magnesium and the rare earth, an exhaust port is arranged on a metal platform. The continuous anodic electrolytic cell for preparing the high performance aluminum alloy has the advantages of simple production technology, short process, small controlling difficulty, small energy consumption, small pollution, low cost and high quality.

The invention discloses a wireless temperature collection system. The wireless temperature collection system is characterized by comprising wireless temperature sensors, signal converters, a data collector and an RS-485 communication bus, wherein the wireless temperature sensors are placed in rooms of all storeys, the signal converters are placed at the top storey and the bottom storey of a building and convert wireless signals into wired signals, the data collector is placed in a monitor room, and the RS-485 communication bus is used for achieving data transmission between the data collector and the signal converters. The wireless temperature collection system has the advantages that a longitudinal data transmission mode is adopted, points are spaced only through storey cement boards irrelevant to the building structure, and the wireless transmission effect is not restrained by the housing structure; the RS-485 communication bus is added on the longitudinal wireless data transmission basis, an annular data network is formed by longitudinal wireless temperature sensor nodes through the signal converters and the RS-485 communication bus, when one certain wireless temperature sensor node breaks down, a data chain is broken, the data collector can collect data on the two sides of the broken point through the RS-485 communication bus, and the problem of wireless longitudinal communication chain break is solved effectively.

The invention relates to a multi-continuous-electrode electrolytic tank for the preparation of a high-performance aluminum material, solving the problem that the aluminum material produced by the traditional aluminum electrolytic tank cannot meet the requirements on high performance. A single continuous electrode device consists of a plurality of electrode bodies and an electrode box body; a metal framework is arranged at the upper part of the electrode box body; a bearing fastening ring is arranged on an outer sidewall of the metal framework; a bearing hook connecting piece is fixedly arranged at the lower side of the bearing fastening ring; a sealing cover plate framework is arranged at the lower part of the electrode box body; conductive rods penetrate among sealing cover plates; bearing hooks are arranged between the lowest layer of conductive rods and the bearing hook connecting piece; either a filler framework or a crust-breaking, blanking and exhausting mechanism or both the filler framework and the crust-breaking, blanking and exhausting mechanism are arranged in the metal framework; and an exhaust port is arranged in a metal platform. According to the multi-continuous-electrode electrolytic tank for the preparation of the high-performance aluminum material, the working procedures, such as electrode forming, roasting, assembling and replacing, electrode scrap recovery processing and the like and corresponding environmental pollution are saved, and the multi-continuous-electrode electrolytic tank has the advantages of small investment, simple process, low running cost, simplicity and convenience in operation and energy saving and environment-friendliness.

The invention discloses a filtering centrifugal machine with a turnover cleaning type sieve plate and a method, and belongs to the technical field of filtering centrifugal machines. In order to solve the problems that internal filter residues are inconvenient to discharge and feeding and discharging are inconvenient, a first electric cylinder is shrunk, a second servo motor is started, an overturning sieve plate at the uppermost end of a centrifugal rotary drum rotates through a transmission gear set and a guide gear, the position of the overturning sieve plate is limited through a limiting block, and a through opening in the upper end of the centrifugal rotary drum is opened; therefore, the feeding pipe can be opened, materials needing to be centrifugally filtered can be guided into the centrifugal rotating drum so as to facilitate feeding work, the structure is simple, use is convenient, repeated manual sealing work is not needed, use is convenient, in the discharging work, fine materials flow into the discharging hopper after being thrown out of the centrifugal rotating drum, the electromagnetic valve is opened, and the fine materials are recycled into the material collecting box, so that the use is convenient. After fine materials are recycled, the sealing plate is opened, the material collecting box is taken out, discharging work is conducted, the structure is stable, the working efficiency can be improved, and the working intensity of workers is reduced.

The invention discloses a novel internal and external integrated heat dissipation structure and a heat dissipation mode of a high-power motor, relates to the field of motors, and aims to solve the problem that the working quality of the high-power motor is reduced because heat generated by the existing high-power motor during working only depends on internal heat dissipation and cannot be effectively reduced in the prior art. The motor shell is located on one side of the heat dissipation structure shell, a water cooling box is installed in the heat dissipation structure shell, a water inlet and a water outlet are formed in the outer portion of the water cooling box, a connecting base is installed on the outer portion of the heat dissipation structure shell, a dustproof cover is installed on one side of the connecting base, and a fixed plate is installed on one side of the dustproof cover; a connecting clamping plate is installed on the rear end face of the fixed plate, a water-coolingheat dissipation block is installed on the rear end face of the connecting clamping plate, fan blades are installed on one side of the water-cooling box, the base is located on the lower end face of the motor shell, a heat dissipation fan is installed in the base, and cooling fins are installed on the outer surface of the water-cooling box.

The invention discloses a local quenching device for hot rolling middle plate production, and belongs to the technical field of metal processing. In order to solve the problems that equipment is inconvenient to load and unload, poor in safety and poor in adaptability, a to-be-processed plate can be guided above a quenching worktable by a feeding conveying belt, is limited by a positioning clamping plate, is sunk into a groove in the upper end of the quenching worktable, and can be conveniently positioned; the quenching furnace is driven to descend, so that the fixed disc body and the liquefied gas flaming plates are close to a to-be-machined plate, different liquefied gas flaming plates can be opened and closed according to requirements, a liquefied gas flaming gun can carry out a local quenching process on different positions of the to-be-machined plate, a second electric cylinder is lengthened or shortened, and the position and angle of a machined part limiting plate are adjusted; therefore, rolling wheels on the outer surface of the machined part limiting plate can be matched to drive the machined plate to move, the plate can be conveniently moved to the position above the discharging conveying belt, and discharging work of the locally quenched plate is facilitated.

The invention discloses a washing tower for waste gas treatment in a production workshop and a using method thereof, relates to the field of waste gas treatment, and aims to solve the problems that a filter screen in an existing washing tower in the prior art is inconvenient to disassemble and assemble, the working efficiency is greatly influenced, and the treatment effect is influenced due to long-time non-replacement. A water tank and a washing tower main body are mounted above the base, two portable sieve plates are mounted at the upper part in the washing tower main body, a movable sieve plate is mounted at the lower part in the washing tower main body, and threaded rods are mounted on two sides of the movable sieve plate; the two threaded rods are both in threaded connection with the movable sieve plates, a stepping motor is installed in the base, a pressure spring is installed at the upper end between the two portable sieve plates, a filter screen is installed between the two portable sieve plates, and a connecting pipeline is installed on one side of the washing tower body; partition plates are installed in the connecting pipeline, and electric cylinders are installed on one sides of the two partition plates.

The invention discloses an impression roller ink scraping device for a flexographic printing machine. The device comprises a base body, a guide roller is arranged at the position, close to the edge, of the top end of the base body, the guide roller and the base body are connected through a first rotating shaft, a printing roller is arranged under the guide roller, and the printing roller is connected to the inner wall of the base body through a second rotating shaft. An ink conveying roller is arranged under the printing roller and connected to the inner wall of the base body through a third rotating shaft, an ink distributing roller is arranged on the left side of the guide roller and connected with the base body through a fourth rotating shaft, an ink box is arranged under the ink conveying roller, ink is arranged in the ink box, a fixing column is arranged at the position, close to the edge, of the side wall of the base body, and an ink scraping mechanism is arranged on the side wall of the base body. According to the impression roller ink scraping device for the flexographic printing machine, an ink scraping knife in the printing machine can be disassembled at will, and therefore the ink scraping knife can be replaced in time, long-term work of the printing machine is facilitated, and the printing effect is guaranteed.

The invention discloses a low-noise type small centrifugal fan with the self-cleaning structure. The centrifugal fan comprises a volute, an air collecting cover, an air outlet, a shaft rod, a piston cylinder and a water cooling tank, wherein the volute serves as a device main shell to be placed on the ground, and a motor is fixedly installed on the side wall of the volute; the air collecting cover is movably installed on the inner side of an air inlet, and a dust screen is fixedly installed on the inner side of the air collecting cover through bolts and used for filtering dust, impurities and the like in air; the air outlet is formed in the outer side of the volute; the shaft rod is fixedly arranged on the side wall of the volute; the piston cylinder is fixedly mounted on the side wall of the volute; and the cooling water tank is fixedly installed on the outer side of the upper portion of the air outlet. According to the low-noise type small centrifugal fan with the self-cleaning structure, efficient noise reduction can be conducted through a noise reduction air bag with the uneven surface, a blocked dustproof net can be automatically cleaned through the wind force, the air inlet rate is increased, meanwhile, the motor can be efficiently cooled in the using process, it is guaranteed that the device can operate for a long time, and high practicability is achieved.

The invention relates to the technical field of air valves and discloses a fast-sucking slow-discharging type air valve with a filtration function. The fast-sucking slow-discharging type air valve with the filtration function comprises an air valve main body and a valve assembly. A valve opening of the air valve main body is connected with the valve assembly. The valve assembly comprises a valve body. A valve body inner cavity is an S-shaped runner, and the valve body is divided into a left cavity and a right cavity. The two ends of the S-shaped runner are correspondingly provided with an airvalve main body connector and a pipeline connector which are not in the same cavity. A filter barrel is further arranged in the cavity provided with the air valve main body connector. The fast-suckingslow-discharging type air valve is suitable for being arranged in a pipeline provided with a service valve, a filter does not need to be arranged for the air valve independently, all original functions of the air valve are achieved, the air valve is provided with a filter, the runner in the valve assembly is in an S shape, resistance to water is large, resistance to air is small, air dischargingis facilitated, water draining is not facilitated, the ejection phenomenon of gas-liquid two-phase flow at the closing moment of the air valve can be reduced or avoided, and fast sucking and slow discharging functions of the air valve are enhanced.

The invention relates to the technical field of air valves, and discloses an air valve unit with functions of maintenance, filtering and reverse cleaning. The air valve unit with the functions of maintenance, filtering and reverse cleaning comprises an air valve, a filter, a first on-off mechanism, a second on-off mechanism, and T-shaped pipes. Both ends of each T-shaped pipe are a pipe connectionopening and an impurity sewage outlet respectively. The air valve is connected with the upper ends of the T-shaped pipes. The filter is a double-layer filter cartridge. The filter cartridge is fixedat the lower end of the air valve, and the length of the filter cartridge covers a valve opening of the air valve. The ports of the filter cartridge used for receiving impurities corresponds to the pipe connection opening and the impurity sewage outlet respectively, and port diameter is larger than diameter of the T-shaped pipe. The first on-off mechanism is arranged on the T-shaped pipe between the filter cartridge and the pipe connection opening. The second on-off mechanism is arranged on the T-shaped pipe between the filter cartridge and the impurity sewage outlet.

The invention discloses a logistics management method based on big data, and belongs to the technical field of information, and the method can achieve the real-time and effective supervision of each flow of cold-chain logistics through a big data processing system. A background supervisor and a user can conveniently know the transportation track and the transportation temperature of the transportation goods in real time, interference processing is carried out on the transportation goods which deviate from the preset transportation track or the actual transportation temperature exceeds the preset temperature interval in time, in the transportation process, tracking monitoring is carried out on the cold chain transportation vehicle through a big data processing system. Once a traffic accident occurs, a background supervisor can timely know the condition and notify an adjacent worker to handle the condition, cold-chain transportation goods which are not signed in time are stored through the constant-temperature storage cabinet at the tail end of logistics transportation, the situation that the quality of the transportation goods is affected due to the fact that the storage temperature fluctuates greatly is prevented, and the constant-temperature storage cabinet is of a combined structure. Therefore, different temperature requirements can be met.

The invention discloses a tunnel pipe shed dismantling device in a foundation pit range. The tunnel pipe shed dismantling device in the foundation pit range comprises a base, wherein four universal wheels and four supporting mechanisms are fixedly connected to the bottom of the base, a lifting plate is arranged above the base, a lifting mechanism is arranged between the lifting plate and the base, an accommodating groove is formed in one side of the lifting plate, a driving motor is installed in the accommodating groove, the output end of the driving motor is fixedly connected with a reciprocating lead screw, the reciprocating lead screw is sleeved with a sleeve matched with the reciprocating lead screw, and a rectangular block is slidably connected into the accommodating groove. According to the tunnel pipe shed dismantling device, it can be guaranteed that a pipeline is right opposite to an arc-shaped plate, then it can be guaranteed that a limiting column can be clamped into a drilled hole, repeated adjustment is not needed, the pipeline dismounting efficiency can be improved, meanwhile, workers do not need to move equipment for multiple times, the labor amount of the workers is greatly reduced, meanwhile, the driving motor can be cooled, and therefore, the drive motor is protected.

The invention provides a small low-voltage on-load automatic voltage regulation single-phase power distribution device, and relates to the field of power distribution devices. The small low-voltage on-load automatic voltage regulation single-phase power distribution device comprises a shell, a transformer body is fixedly connected to the middle in the shell, pore plates are fixedly connected to the left side and the right side of the transformer body, the upper ends and the lower ends of the pore plates are slidably connected into fixing grooves, and the fixing grooves are formed in the middles of the ends, close to the pore plates, of fixing blocks. Vent holes which are uniformly distributed are formed in the pore plates in a penetrating manner. The motor can drive the driving gear to rotate, and the driven gear and the driving gear can drive the rotating shaft to rotate, so that when the motor works, the rotating shaft can drive the cooling fan to rotate synchronously, and wind generated by the cooling fan can penetrate through the pore plate to blow the internal structure of the shell; therefore, heat in the shell can be taken away, and heat dissipation of the internal structure of the shell can be achieved.