682results about How to "No frequent replacement" patented technology

The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette atomizer comprising a mouthpiece having a smoke suction hole, an atomizing tube, a second inner tube, and a connecting cap. The atomizing tube is detachably connected with the mouthpiece. An atomizer head is disposed inside the atomizing tube. A first inner tube is disposed inside the atomizing tube. The second inner tube is disposed inside the first inner tube. The same ends of the first and second inner tubes are connected hermetically. The same other ends of the first and second inner tubes are abutted to the atomizer head hermetically. A first liquid storage cavity forms between the first inner tube and the second inner tube. The outer wall of the first inner tube is provided with an intake channel communicated with an air inlet of the atomizer head. The atomizing tube is provided with an intake slot communicated with the intake channel. A smoke outlet tube of the atomizer head is communicated with the second inner tube which is communicated with the smoke suction hole of the mouthpiece. The connecting cap is provided with a liquid filler communicated with the first liquid storage cavity. The atomizer head is provided with a liquid inlet whereby an atomizing cavity of the atomizer head is communicated with the first liquid storage cavity. The electronic cigarette atomizer is simple in structure, reasonable in design, free of liquid leakage, and capable of producing a lot of smoke.

The invention relates to a bobbin burying machine. The bobbin burying machine is characterized by comprising a bobbin storage mechanism (1), a bobbin separating mechanism (2), a bobbin falling mechanism (3), a bobbin connecting buffer mechanism (4), a bobbin connecting mechanism (5), a rack (6) and an outer shell (7). The bobbin storage mechanism (1), the bobbin separating mechanism (2), the bobbin falling mechanism (3) and the bobbin connecting buffer mechanism (4) are arranged on the rack (6), the outer shell (7) covers the top of the rack (6), and the bobbin connecting mechanism (5) is arranged below the bobbin connecting buffer mechanism (4). According to the bobbin burying machine, whether bobbins contain yarn or not can be distinguished, the colors of empty bobbins are distinguished, the big ends and the small ends of the bobbins without the yarn are straightened out, automation is achieved in the whole process, the manual operation is not needed, the manual operation difficulty of workers is greatly relieved, the number of employees of enterprises can be effectively saved, the employment pressure of the enterprises can be effectively relieved, and the bobbin burying machine has the advantages of improving work efficiency, and being high in automation degree and capable of being applied to arc-shaped recycle cases.

The invention discloses a process for manufacturing alloy steel for a rail frog. The process comprises the following steps of: smelting, pouring, forging, and performing heat treatment. The rail frog manufactured by the alloy steel which is manufactured by the manufacturing process has properties such as tensile strength, low-temperature impact properties and the like which are much higher than those of high manganese steel, the service life of the rail frog can be greatly prolonged, and the rail frog is not required to be frequently replaced, so that the operating cost of a rail can be greatly reduced.

A welding and weld mark polishing device for machining of an electrical heated tube comprises a box, wherein the bottom of a cavity of the box is fixedly connected with a damping device; the side, which is away from a supporting block, of a supporting table is fixedly connected with a lifting device; an output shaft of a second motor is rotatably connected with a polishing wheel through a coupler;an output shaft of a third motor is rotatably connected with a three-jaw chuck through a coupler; the top of the side, which is positioned on the right side of the polishing wheel and is close to thegrinding wheel, of the supporting rod is rotatably connected with a fixing device; the middle of the top of the cavity of the box is fixedly connected with a vertical movement device; and the side, which is away from the top of the cavity of the box, of the vertical movement device is fixedly connected with a welding box. The invention relates to the technical field of electrical heated tube machining equipment. Any types of electrical heated tubes can be fixed, machining equipment does not need to be changed frequently, the cost is saved, industrial development is facilitated, a point of weld can be found automatically, manual operation is not required, the device is safe and reliable, the production efficiency is improved, the time is saved, and thus, market requirements are met.

The invention discloses an artificial wetland system taking oyster shell-waste brick-zeolite as composite filler. The invention relates to a sewage treatment device, and discloses an artificial wetland ecological treatment device applicable to the treatment of various sewages such as domestic wastewater, livestock and poultry breeding wastewater and landfill leachate. The system disclosed by the invention comprises a vertical undercurrent artificial wetland device and wetland filler, wherein the wetland filler is implemented in a large particle size grading difference 'obverse and reverse particle size mixing' filling mode and taking oyster shell, waste bricks and zeolite which are large in specific surface area, good in nitrogen and phosphorus adsorption capacity and high in volume of organism holding, so that the sustainable, efficient and stable operation of an artificial wetland ecosystem is ensured. The artificial wetland system disclosed by the invention has the advantages of low cost, low energy consumption, high nitrogen and phosphorus removal efficiency, small land-occupied area, simple structure, convenient operation management and the like, is not easy to jam, and can be combined with ecological construction and urban greening functions.

The invention provides a sea-air-submersible integrated inspection system based on a small unmanned ship. The system comprises a mooring type unmanned aerial vehicle inspection system (1), a shipborneinspection system (2), an unmanned ship platform (4) and a mooring type underwater robot inspection system (5), the unmanned ship platform (4) comprises a fixed portal frame (4.2) and an unmanned ship body (4.19); the unmanned ship body (4.19) is in a wave-resistant catamaran shape. Wherein the mooring type unmanned aerial vehicle inspection system (1) comprises a multi-rotor unmanned aerial vehicle (1.1) and an unmanned aerial vehicle landing platform (1.4), and the mooring type underwater robot inspection system (5) comprises a remote control winch (5.1), an underwater GPS receiver array (5.4), an underwater inspection robot (5.7) and an underwater GPS positioner (5.8). The inspection system has the characteristics of powerful function, high efficiency, continuous operation, low inspection cost and the like, and can meet the requirements of rapidly increased wind power plant installed capacity and other large-scale ocean engineering equipment on inspection equipment.

The invention discloses a waste gas treatment air purification device which comprises a unit case, a waste gas inlet pipe, and an air inlet pipe; the invention is characterized in that a water tank is disposed at the bottom inside the unit case; a photolytic light source, a filler layer, a spraying layer, and an active carbon layer are orderly mounted above the water tank; the waste gas inlet pipe and the air inlet pipe extend into the water tank at one side of the unit case. With a water-attack deduster principle, the invention allows organic waste gas to dissolve into water through high-speed air flow, performs cracking by using high-energy high-ozone ultraviolet light beams, performs air purification with the synergic photolysis of the fillers and spraying, and finally reaches the national discharge standard; the invention is simple in operation, convenient for maintenance, and integrated in structure, greatly reduces production cost, and realizes thorough purification of toxic and harmful gas.

The invention discloses a portable muscle mechanical parameter and muscular strength in vivo ultrasonic detection device and method. The device consists of a broadband ultrasonic probe, a multi-channel ultrasonic system and a man-machine interactive system, wherein the multi-channel ultrasonic system communicates with the man-machine interactive system through a local area network or a USB (universal serial bus) 3.0 interface. The device performs ultrasonic signal acquisition on the muscle of a human body or an animal in vivo, performs intelligent analysis and processing on a detection signal in time, extracts a plurality of characteristic parameters related to the muscle strength to perform imaging respectively, supports tracking and tracing measurement under a multi-image model, combines the traditional B scanning image to realize measurement and quantitative display of the mechanical property parameters and the muscle strength of single muscle, and predicts the health state of the muscle according to a muscle preset threshold value and gives alarm prompt correspondingly. According to the device and the method, in vivo, non-invasive, real-time, precise and overall quantitative evaluation on the muscle mechanical properties and the muscle strength is realized.

The invention discloses a shielding gas circulating filtration device for a 3D printing metal powder bed forming cavity and an optimization method of the shielding gas circulating filtration device. According to the optimization method, the vertical movement distance z of processed smoke is adjusted and is not larger than the height h of an air suction flow guiding channel, and accordingly the purposes that the processed smoke is completely captured by the air suction flow guiding channel, and the pressure from an air inlet flow dividing port to an air suction flow guiding port in the forming cavity is gradually reduced are achieved; and a machined metal part has the beneficial effects of being good in surface quality, high in density, good in mechanical performance and the like.

The invention relates to the technical field of wine cabinets, in particular to a wine cabinet with a humidifying function. The wind cabinet comprises a refrigerating system and a humidifying system, the refrigerating system comprises an evaporator and a wind cover plate, and the evaporator is arranged between a wind cabinet inner container and the wind cover plate. The humidifying system comprises a water storage device which is mounted on the evaporator, and the water storage device is used for collecting water flowing from the surface of the evaporator. Volcanic blocks are contained in the water storage device, and the volcanic blocks absorb or release moisture according to the humidity of the surrounding environment. A heating device is arranged on the outer side of the water storage device, and the heating device is used for heating water in the water storage device. According to the wine cabinet with the humidifying function, the water storage device and a water storage groove which are used for collecting defrosting water flowing from the evaporator and the wine cabinet inner container are arranged at the bottom of the evaporator and the bottom of the wine cabinet inner container respectively, heating devices are arranged at the bottom of the evaporator and the bottom of the wine cabinet inner container respectively, extra water does not need to be filled, the wine cabinet can be humidified only by the deforesting water, the overall structure is simple, and the occupied area is small.

The invention discloses arc surface drilling equipment, which comprises two flexible tracks. A movable framework is arranged on the flexible tracks; a vertical plate is mounted on the movable framework via a linear guide rail; the vertical plate is rotatably connected with a swing plate; and an electric main shaft is mounted on the swing plate. The electric main shaft is slidably connected with the swing plate via a hoop, and the swing plate is connected with a swing driving mechanism. The electric main shaft can move longitudinally, transversely and vertically on the drilling equipment, and can swing and rotate, so a drilling range of the electric main shaft is expanded, absorption positions of the flexible tracks on the surface of a workpiece are not needed to be frequently changed, theworking intensity is reduced, the working efficiency is improved, and the processing cost is lowered; meanwhile, the drilling equipment is more stable, and the drilling precision is improved.

The invention discloses a dual component liquid silica gel for 3D printing and a printing method thereof. The liquid silica gel comprises a component A and a component B. The component A comprises following components in parts by weight: 100 parts of vinyl polysiloxane, 0.01 to 5 parts of a hydrosilylation catalyst, 1 to 10 parts of polyether polyol, and 1 to 10 parts of fumed silica. The component B comprises following components in parts by weight: 100 parts of vinyl polysiloxane, 1 to 50 parts of hydrogen containing polysiloxane, 0.01 to 5 parts of a hydrosilylation inhibitor, 1 to 10 partsof polyether polyol, and 1 to 10 parts of fumed silica. During the printing process, the thickness of the liquid silica gel does not change, the structure is not deformed, an onsite heat treatment isnot needed, only post sectioned thermosetting moulding is needed, the printing technology is simplified, and the printing cost is reduced. The liquid silica gel does not contain any organic solvent or photosensitive component, is very safe and nontoxic, and 3D products prepared from the liquid silica gel can be applied to fields, which have high safety requirements, such as children toys, food, medicines, and the like.

The invention discloses an air purification device and method capable of continuously degrading indoor VOCs. The air purification device comprises a dehumidification unit, an inlet air inducing unit, a first purification and degradation chamber, a second purification and degradation chamber, an outlet VOCs monitor and control unit and an exhaust unit. According to the air purification device capable of continuously degrading the indoor VOCs, VOCs gas adsorption degradation and activated carbon desorption regeneration are integrated, and integrated shell mounting is easy; the air purification device has the beneficial effect of being convenient to move, an adsorbing material does not need to be replaced frequently, the consumption cost of an activated carbon adsorbing material is greatly reduced, and the service life of the activated carbon adsorbing material is prolonged; and a dehumidification pretreatment method is adopted, the efficiency that activated carbon purifies and adsorbs the VOCs later is greatly improved, the air purification effect is greatly improved, and the good market potential is achieved.

The invention relates to a laser rock breaking method and device applied to drilling. The device comprises a chip removing mechanism, an external drilling rod and an internal drilling rod, wherein the chip removing mechanism comprises a power supply, an electric wire, an air compressor, a sucker, a compression-resistance pipeline and a suction pump; a liquid nitrogen storage tank and an atomizing nozzle are arranged on the external drilling rod, a liquid nitrogen channel, an electric wire, a protection layer and a gas circulating area are arranged in the external drilling rod, and the external drilling rod does not rotate; the internal drilling rod comprises a down-hole motor, a down-hold power supply, a laser transmitter, a fiber-optical cable, a conical optical splitter, laser heads, a drilling head, laser holes and a temperature sensor; laser emitted by the laser transmitter can be transmitted by the fiber-optical cable, the fiber-optical cable is divided into four parts in the conical optical splitter, each divided fiber-optical cable is connected with one laser head, and laser can be transmitted out of the laser heads and shot out of the laser holes to heat and break rock. The laser rock breaking device disclosed by the invention has high work efficiency, reduces drilling difficulty and saves drilling cost.

The invention provides an automatic front and back washing ultrafiltration reverse osmosis water purification system provided with a water storage diaphragm pressure tank. The system comprises a water inlet pipeline, a water draining pipeline, an ultrafiltration purified water conveying pipeline and a reverse osmosis pure water conveying pipeline and also comprises an ultrafiltration membrane component, a reverse osmosis membrane component and a diaphragm pressure tank, wherein an electric washing ball valve is connected with the water draining pipeline in series, the ultrafiltration purified water conveying pipeline is divided into a first branch and a second branch, a reverse osmosis pure water outlet of the reverse osmosis membrane component is connected with the reverse osmosis pure water conveying pipeline, and the reverse osmosis pure water conveying pipeline is divided into a third branch and a fourth branch. The system has the beneficial effects that front washing and back washing can be carried out on an ultrafiltration membrane at the same time when the water purification system is used, and thus the service life of the membrane is prolonged; and besides, the diaphragm pressure tank which is dual-purpose can be used for storing reverse osmosis pure water and carrying out back washing on the ultrafiltration membrane. The water purification system can provide high-flow ultrafiltration purified water and pure water at the same time, and thus the usage requirements of people are met.

The invention discloses a light-type full-hydraulic drilling machine for underground drilling of a coal mine. The light-type full-hydraulic drilling machine comprises a stander, a drilling rod, a water braid, a guide rail, a propelling hydraulic cylinder, a hydraulic clamp and a drill power head, wherein the hydraulic clamp comprises a clamp base, a supporting seat, a clamping hydraulic cylinder and a clamp clamping tile; the water braid comprises a water braid shell, a water braid shaft, a water braid hollow shaft, two anti-abrasion ring, an isolating ring, a front end cover, a rear end cover and an anti-abrasion sealing ring; the drill power head comprises a speed reduction box body, a connection frame, a gear shaft, a hollow stepped shaft, a hydraulic motor, a spring mounting seat, a spring limiting seat, an end face check ring, a gear, a disk-type spring group, a power head clamping tile and a clamping hydraulic cylinder. The light-type full-hydraulic drilling machine is compact in structure, convenient and low in cost; the energy consumption is reduced, the power transmission efficiency is improved, and the clamping force on the drilling rod is stable and reliable; the service lives of the anti-abrasion sealing ring and the water braid shaft can be prolonged, the replacement trouble is reduced, the construction progress and safe production are guaranteed, vibration of the drilling machine is reduced, and the drilling rod is prevented from being broken.

The invention belongs to the technical field of waste gas desulfurization and purification, particularly provides a modified active carbon desulfurizer and a preparation method thereof, and a hydrogen sulfide waste gas treatment method using the desulfurizer. The modified active carbon desulfurizer is prepared from impregnating activated carbon with active agent mixed solution comprising phenol, acetone, sodium carbonate, ferric nitrate and organic solvent, and drying and roasting the mixture. The modified active carbon desulfurizer converts the hydrogen sulfide in the waste gas into sulfur dioxide at atmospheric temperature and pressure under the absorption and catalytic oxidation action, and the sulfur dioxide is converted into SO42- in water phase by washing and removed. The waste gas treatment method uses the modified active carbon desulfurizer, and prevents the defects that the desulfurizer needs to be regularly desorbed and regenerated due to blockage caused by adsorption saturation and generated elemental sulfur. Compared with an ordinary activated carbon desulfurization process, the process has the advantages of high hydrogen sulfide removal rate, long service life of the desulfurizer, low operation cost, simplicity in operation and management and the like.

The invention provides an automatic forward-backward flushing membrane filtering water cleaning system which comprises a water incoming pipeline, a blow-off pipeline, a water outgoing pipeline, a control system and two identical inner-pressure hollow fiber ultra-filtration membrane components. A water inlet, a water outlet and a clean water producing port are arranged on the inner-pressure hollow fiber ultra-filtration membrane components, a raw water inlet end is connected with a first electric ball valve and a second electric ball valve through the water incoming pipeline respectively, a blow-off outlet end is connected with a third electric ball valve and a fourth electric ball valve through the blow-off pipeline respectively, and a clean water outlet end is connected with a fifth electric ball valve through the water outgoing pipeline. The invention further provides a control method of the water cleaning system and an automatic forward-backward flushing ultra-filtration anti-seepage water cleaning system comprising the water cleaning system. The automatic forward-backward flushing membrane filtering water cleaning system has the advantages that forward flushing and backward flushing of an ultra-filtration membrane can be realized automatically when the water cleaning system is in use, service life of the ultra-filtration membrane is prolonged, and the water cleaning system is free of maintenance; the water cleaning system can provide ultra-filtration clean water and anti-seepage pure water at the same time, so that using needs of people are met.

The invention discloses an anti-blocking convenient-to-clear PM2.5 air purifying device which comprises a base. The anti-blocking convenient-to-clear PM2.5 air purifying device is characterized in that a dustproof net II is mounted in a pipeline of a gas outlet tube. The anti-blocking convenient-to-clear PM2.5 air purifying device is reasonable in structural design; the lower part of a purifying net is equipped with a clearing connecting plate, a clearing brush, a clearing box with a movable plate and a clearing scraping plate, so that the purifying net is conveniently cleared; during long-time use, a condition that the purifying net inside is blocked is effectively reduced, so that the purifying net does not need to frequently replace; besides, a dustproof net I is arranged in a gas inlettube, the dustproof net II is arranged in the gas outlet tube, a clearing cavity with a spray nozzle is arranged below a sterilizing cavity, and a filter plate with a waterproof vibrating motor is matched with a clearing tube, so that relatively great particle impurities in air are removed by many times, the relatively great particle impurities are prevented from blocking the purifying net, clearing time and labour cost of the PM2.5 air purifying device are greatly saved, and use needs are met.

The invention discloses a unitized self-cleaning type filtering device for organic waste gas treatment, and belongs to the technical field of organic waste gas treatment. Organic waste gas can be shunted for unitization treatment; the adsorption ball is temporarily positioned in a magnetic fixing manner; on one hand, heat of organic waste gas is rapidly transferred through the heat conduction pipeto heat and evaporate water injected from the outside into high-temperature water vapor; on the other hand, the cooled organic waste gas is subjected to adsorption treatment through the adsorption balls; the weight is continuously increased in the adsorption process, the gravity is greater than the magnetic force after the limit value is increased, the internal contraction action is performed firstly and smooth descending in the heat conduction pipe is facilitated, and abrasion is reduced; then the adsorption ball descends to a designated position to be subjected to desorption treatment of high-temperature water vapor, organic substances on the adsorption ball are discharged along with the high-temperature water vapor after desorption to wait for treatment, the adsorption ball is reset under the dual effects of buoyancy and magnetic force after desorption to a certain degree, the adsorption filtering function is recovered, frequent replacement is not needed, and the operation cost isremarkably reduced.

The invention relates to a drinking water purifying device combining photocatalysis and inorganic membrane filtration technology, comprising an active carbon filtration assembly, an inorganic membrane filtration assembly and a photocatalysis membrane assembly. Water flows into the active carbon filtration assembly and then passes through the inorganic membrane filtration assembly, and finally, purified drinking water flows out of the photocatalysis membrane assembly. The inorganic membrane filtration assembly and the photocatalysis membrane assembly are both mounted vertically to prevent sediment from polluting membranes and avoiding dead flow areas; the active carbon can be soaked in edible alcohol for being utilized repeatedly; the inorganic membrane of the inorganic membrane filtration assembly has high mechanical strength and can resist corrosion; and all assemblies of the device have long service lives and have no needs of frequent cleaning and replacement. The invention adopts the photocatalysis membrane action for sterilization, has good effect, can purify water in depth, loads phtocatalyst on stainless steel or the inner wall of a glass tube and adopts an ultraviolet source to inspire the photocatalysis membrane to react so as to achieve the purpose of sterilization and trace organic matter degradation, have no problems of catalyst separation, and can not cause second water pollution.

The invention discloses a general gas measuring method based on an ultrasonic transducer and a device. The method comprises the following steps: establishing a set of ultrasonic dispatching devices in different frequencies in an airtight chamber; introducing a to-be-measured gas into the airtight chamber; emitting the ultrasonic waves in different frequencies; accurately moving under the effects of a stepping motor and a guide rail, thereby changing a distance between an ultrasonic wave emitting terminal and a receiving terminal; adopting an external extracting pump for adjusting the pressure of the to-be-measured gas in the chamber, measuring and acquiring the sound velocities and sound attenuation coefficients under the conditions of different frequencies, pressures and distances and correcting the sound attenuation coefficients; drawing a spectrum graph of the corrected sound attenuation coefficients about the ultrasonic frequencies; and comparing the drawn spectrum graph with the spectrum in a preset sample library and confirming the variety and concentration of the to-be-measured gas. The gas measuring method and device provided by the invention can measure most noncorrosive gases and have the advantages of wide measurement scope, no requirement for special gas sensor, low cost, capability of online real-time monitoring, high response speed, long-term stability, and the like.

The invention discloses a pipeline sewage double-station filtering purification device for municipal engineering, which comprises a housing, filtering tanks, a driving motor, cavities and hole dredging heads, wherein the filtering tanks are mounted on sliding rods in a sliding manner; filtering plates are horizontally mounted inside the filtering tanks; the output shaft of the driving motor movesforwards; an eccentric gear is mounted on the output shaft in interference fit; an inclined surface block is connected between an upper sliding block and a lower sliding block in a welded manner; inclined sliding blocks are mounted on the left inclined surface and the right inclined surface of the inclined surface block in the sliding manner; the hole dredging heads are arranged below the filtering plates. By adopting the sewage filtering device, the filtering tank on the left side and the right side are indirectly driven to move leftwards and rightwards through the driving motor in the filtering process; moreover, due to the adoption of double stations for filtering, the filtering speed is greatly increased; if sewage is not smoothly filtered inside the filtering tanks in the filtering process, dredging needles on the hole dredging head can be driven to dredge filtering holes, then the situation that the filtering holes in the filtering plates are blocked and the filtering speed is slow can be effectively prevented, meanwhile the filtering plates do not need to be replaced frequently, and the device is time and labor saving, and is simple and effective.

The invention relates to an automatic curly grain wiredrawing system for a metal plate and an automatic wiredrawing method thereof. The system comprises a bottom plate, a mounting frame, a moving device, a wiredrawing device and a cleaning device, wherein the mounting frame is arranged on the bottom plate; a sliding groove is arranged in the mounting frame; the wiredrawing device is arranged in the sliding groove; the side wall of the mounting frame is provided with the cleaning device, the lower end of the mounting frame is provided with the moving device, the moving device is arranged on thebottom plate, and the moving device comprises a workbench, a limit groove, a linear sliding rail, a limit mechanism and a moving mechanism. The system can solve the problems of poor stability, poor adjustability, small use range, low working efficiency and high labor cost during the curly grain wiredrawing process of the metal plate, can achieve the function of automatic wiredrawing of the metalplate, and has the advantages of good adjustability, high stability, wide use range, high work efficiency and low labor cost and the like.

The invention relates to the technical field of shrimp cages and discloses a universal type shrimp cage structure for catching and transporting. The universal type shrimp cage structure comprises a shrimp cage body. The shrimp cage body comprises a cylindrical shrimp cage framework and a mesh piece wrapped on the shrimp cage framework. At least one shrimp inlet mesh cylinder is arranged on the side face of the shrimp cage body and is of a circular-truncated-cone-shaped structure. The large-diameter end of each shrimp inlet mesh cylinder communicates with external space of the shrimp cage body, and the small-diameter end of each shrimp inlet mesh cylinder communicates with internal space of the shrimp cage body. A bait groove is formed in the shrimp cage body, a rotating shaft distributed in the radial direction is arranged at the center of one end face of the shrimp cage body, a shrimp taking door is arranged on the rotating shaft, one side of the shrimp taking door is hinged to the rotating shaft, and the other side of the shrimp taking door is connected with the shrimp cage framework through a buckle. Connecting buckles are arranged on the two sides of the two end faces of the shrimp cage body. The shrimp cage is compact in structure and reasonable in layout, the universal type shrimp cage structure for catching and transporting can be used for transporting directly after catching shrimps, the container does not need to be replaced frequently, the survival rate of the shrimps is increased, shrimp taking is convenient, and shrimp bodies are not likely to be damaged.

The invention provides a control system of electrosparking equipment. The control system comprises a controller, a main frame, an electrosparking head device (10), a front-and-rear moving motor (202), a front-and-rear moving block (200) and a left-and-right moving motor (201), wherein the front-and-rear direction and the left-and-right direction are perpendicular to each other in a horizontal plane; the front-and-rear moving motor (202) is fixedly connected with the main frame and is capable of driving the front-and-rear moving block (200) to move back and forth on the main frame; the left-and-right moving motor (201) is fixedly connected with the front-and-rear moving block (200) and is capable of driving the electrosparking head device (10) to move left and right on the front-and-rear moving block (200).

The invention provides a device for spraying an adhesive to a shoe vamp. The device comprises a conveyor, a multi-joint manipulator and a support, wherein the multi-joint manipulator and the support are located beside the conveyor, an adhesive cup is fixedly connected to the support, the tail end joint of the multi-joint manipulator is fixedly connected with a spray gun rack, a spray gun is installed on the spray gun rack, and an included angle formed by the spray gun and the tail end joint of the multi-joint manipulator is 45 degrees. Due to the fact that the included angle formed by the spray gun and the tail end joint of the multi-joint manipulator is 45 degrees, the spray gun is naturally and obliquely arranged after the tail end joint of the multi-joint manipulator is arranged vertically, the adhesive can be simultaneously sprayed to stitch positions of the inside of the bottom of the shoe vamp and the side edge of the shoe vamp during adhesive spraying, namely simultaneous adhesive coating of the stitch positions of the inside of the bottom of the shoe vamp and the side edge of the shoe vamp can be achieved through one-time adhesive spraying action, and the production efficiency is relatively higher. In addition, due to the fact that the adhesive cup is arranged, an adhesive brush can be soaked in the adhesive cup when the adhesive spraying action is not executed and is not prone to curing, frequent spray gun and spray head replacement is also not needed, and the cost is relatively lower.

The invention discloses fluorescent wallpaper which comprises a base layer and a pattern layer; the pattern layer is disposed on the base layer; the wallpaper is characterized in that the wallpaper also comprises a non-setting adhesive layer, a release paper layer, a fluorescent layer, and a waterproof protective layer; the fluorescent layer is disposed above the pattern layer; the waterproof protective layer is disposed on the fluorescent layer; the non-setting adhesive layer is disposed below the base layer; the release paper layer is disposed below the non-setting adhesive layer; the waterproof protective layer is epoxy resin; a fluorescent powder material is disposed in the fluorescent layer. The invention solves the problems in the prior art that current wallpaper is easy to deposit dust and scale, becomes wet when contacting water, mildews at wet regions or in wet climate, is not easy to store, can lose glossiness after being used for a period of time, and is short in service life, and provides the fluorescent wallpaper which is waterproof, does not generate spots or mildew, does not deposit dust or scale, and has good glossiness.

The present invention provides a device and method of testing a ratio chromatism of an optical system of a star sensor. The device provided by the invention comprises an object simulation part, a tested optical system installation part, a microscope acquisition part and a control and data processing computer. The object simulation part, the tested optical system installation part and the microscope acquisition part are arranged in turn on the same light path; the object simulation part includes a monochromator, a collimator, an optical filter target wheel and an object target wheel; the optical filter target wheel and the object target wheel are arranged in turn on the emergent light path of the monochromator; the target surface of the object target wheel is overlapped with the focal plane of the collimator; an optical system to be tested is arranged on the tested optical system installation part; and the control and data processing computer is connected with the monochromator, the optical filter target wheel having optical filters with various spectrum ranges, the object target wheel with multi-group target boards and the tested optical system installation part. The device and method of testing a ratio chromatism of an optical system of a star sensor have high testing efficiency, few testing personnel and expandable testing ranges.

The invention relates to a multi-range standard voltage transformator for detecting the voltage error of a voltage transformator for a power system; an auxiliary transformator is arranged on a main voltage transformator; the main voltage transformator comprises a main secondary winding and an additional secondary winding; the additional secondary winding is serially connected with a primary winding of the auxiliary transformator; an initial outgoing wire and a plurality of output taps are arranged on the main secondary winding of the main voltage transformator; the initial outgoing wire is serially connected with the secondary winding of the auxiliary transformator; and the respective combination of the initial outgoing wire with the taps output by the main secondary winding realizes the multiple ranges of the standard voltage transformator. The multi-range standard voltage transformator adopts the auxiliary transformator to compensate the error so that the precision level reaches above 0.01, is used for detecting the error of voltage transformators with the precision level being 0.2 and below, not only meets the detection requirements of multiple ranges and high precision, but also is convenient to detect, reduces the cost, and is applicable to the error detection of the voltage transformators with different voltage levels from 3kV to 35kV.