78results about How to "Efficient coating" patented technology

The invention relates to an overhead bare conductor automatic coating device which comprises a mounting frame, an overhead wire feeding roller and an overhead wire collecting roller are mounted on the outer walls of the two ends of the top of the mounting frame respectively, a conductor seat is fixed to the outer wall, located on one side of the overhead wire feeding roller, of the mounting frame, and a coating box is fixed to the outer wall, located on one side of the overhead wire collecting roller, of the mounting frame. An automatic coating assembly is arranged in the coating box; through the arrangement of the automatic coating assembly, a bare conductor penetrates through a rubber ball through a rotating pipe, compressed air generated by working of an air pump is input into a first turbine pump through an air conveying pipe, the compressed air circulates to drive the first turbine pump, and a half gear is driven to rotate through a transmission shaft; a half gear and a tooth groove are matched to drive a lifting rod to ascend and descend in a reciprocating mode, a pressing roller at the bottom of the lifting rod extrudes a rubber ball in a reciprocating mode, the rubber ball deforms in a reciprocating mode, paint in a paint box is sucked through a rotating pipe and a material suction pipe, and the paint enters the rubber ball to coat a penetrating bare conductor. And the coating can be comprehensively and effectively coated on the outer wall of the bare conductor.

The invention provides a large polyester bio-fiber containing rose active ingredients and a preparation method of the large polyester bio-fiber. The large polyester bio-fiber comprises the following raw materials in parts by weight: 10-12 parts of polyester chips and 2-3 parts of rose extract microcapsules, the preparation method of the rose extract microcapsule comprises the following steps: adding tannic acid into a sodium alginate aqueous solution, stirring and mixing to obtain a solution A, adding nano-hydroxyapatite, a calcium chloride / glutaraldehyde composite cross-linking agent, a rose extract and lauryl sodium sulfate into a chitosan acetic acid aqueous solution, stirring and mixing to obtain a solution B, and uniformly stirring to obtain the rose extract microcapsule. And mixing and stirring the solution A and the solution B to obtain the rose extract microcapsule. According to the polyester large biological fiber containing the rose active component and the preparation method of the polyester large biological fiber, the rose active component is effectively and uniformly introduced into the polyester fiber, meanwhile, the original physical performance of the fiber is kept, the stability of the active component is further kept, the slow release time is prolonged, and the polyester large biological fiber is endowed with more health functions.

The invention provides a preparation method of a water and fertilizer retention type soil amendment, and belongs to the technical field of soil amendments. Biomass polysaccharide with abundant carboxyl functional groups is combined with metal ions to form a three-dimensional network structure capable of effectively coating soil nutrients; meanwhile, the soil conditioner is endowed with obvious pH responsiveness, and targeted remediation can be performed according to different soil conditions; the biomass-based soil conditioner provided by the invention has excellent water-retaining property and good slow-release performance, can improve the soil moisture content, prolong the retention time of soil moisture, and slowly release inclusions while releasing the system moisture, thereby achieving the effect of improving the soil fertility and realizing the improvement of the water-retaining and fertilizer-retaining capabilities of the soil. Meanwhile, the soil conditioner prepared by the invention can also improve the drought stress resistance of crops.

The utility model provides a light shielding pipe polishing treatment device, and belongs to the field of light shielding pipes. The problem that the ultra-long and small-diameter light shielding pipe is difficult to polish is solved. The light shielding pipe fixing mechanism comprises a fastening assembly which is used for fixing a light shielding pipe; the grinding mechanism comprises a driver, a rod piece connected to the rotating end of the driver and a grinding head assembly connected to the far end of the rod piece, the diameter of the grinding head assembly is larger than the inner diameter of the light shielding pipe, and the grinding head assembly comprises a flexible layer capable of being compressed in the radial direction of the light shielding pipe and a grinding layer arranged on the peripheral side of the flexible layer in a sleeving mode; the flexible layer is used for supporting the polishing layer to be attached to the inner wall of the light shielding pipe when the inner wall of the light shielding pipe is polished. The light shielding pipe polishing device is mainly used for polishing light shielding pipes.

The invention relates to the technical field of fertilizer granulation devices, in particular to a solid fertilizer granulation device which comprises a base, an inclined push rod motor is mounted at the top end of the base, and an output shaft of the push rod motor is connected with a pushing rod; the deflection adjusting mechanism is rotationally arranged on one side of the top end of the base, and the pushing rod makes contact with the bottom end of the deflection adjusting mechanism; the disc granulation mechanism is mounted on the deflection adjusting mechanism and used for rolling and bonding raw materials for fertilizer granulation production, and a granulation assembly for guiding, conveying, extruding and forming the bonded raw materials is mounted on the upper side of the containing round bin. In the solid fertilizer granulation process, the viscosity and the compaction degree of fertilizer raw materials can be effectively improved in the production raw material preparation and press-fit forming processes, so that the purpose of improving the quality of finally-formed particles is achieved, and the formed fertilizer particles can be effectively and automatically guided out and coated with surface slow-release films; the quality of finished products is further improved.

The invention relates to the technical field of electrostatic spraying, and discloses airflow-assisted electrostatic spraying equipment, a preparation method and application, the airflow-assisted electrostatic spraying equipment comprises a material assembly used for conveying a liquid material, a coaxial needle and a triaxial displacement mechanism capable of moving in three axial directions, the material assembly is connected to an outer needle of the coaxial needle, and the airflow-assisted electrostatic spraying equipment further comprises an air source assembly, the gas source assembly is used for conveying pressure-adjustable high-pressure gas to the inner needle of the coaxial needle; a shell of the coaxial needle is connected to an electrostatic generator, and the coaxial needle is fixedly connected with a sliding block of the three-axis displacement mechanism through a needle head fixing support. Compared with electrostatic spraying without airflow assistance, the air source assembly is adopted for conveying high-pressure air, efficient and rapid spraying can be achieved, and the device is suitable for fine spraying of low-viscosity liquid and heterogeneous liquid; compared with static-free mechanical spraying, the sphericity degree of the obtained microspheres is obviously improved, the particle size is smaller and more uniform, and the fog pollution in the spraying process is reduced in a large area.

The invention relates to the technical field of double-layer glass processing, in particular to double-layer hollow glass gluing equipment and a coating control system.The double-layer hollow glass gluing equipment comprises a glue extruding barrel pump assembly, the glue extruding barrel pump assembly comprises an auxiliary assembly used for placing a glue barrel, and a pressing disc assembly used for extruding glue is correspondingly arranged above the auxiliary assembly; a gear pump for conveying colloid is arranged on the pressure plate assembly; the gluing head assembly assembly comprises a glue supply pipe assembly, one end of the glue supply pipe assembly is connected to the gear pump, the other end of the glue supply pipe assembly is connected with a nozzle assembly, and a guide rail base assembly used for lifting is arranged on one side of the gluing head assembly assembly; according to the coating device, the coating requirement of the coating device in hollow glass production is met, efficient, accurate and stable thermoplastic spacing bar coating is achieved through cooperative work of all the assemblies, and therefore the hollow glass with good performance is produced.

The invention belongs to the technical field of anti-cancer drugs, and particularly relates to a nano-drug, a preparation method and application thereof, and a chemotherapy-photodynamic combined diagnosis and treatment reagent. The nano-drug provided by the invention comprises a vitamin E polyethylene glycol succinate nano-micelle, and a lauric acid modified tetravalent platinum prodrug, a hydrophobic photosensitizer and an emulsifier which are coated in the vitamin E polyethylene glycol succinate nano-micelle. According to the invention, co-transportation of the cis-platinum prodrug and the photosensitizer can be realized; after the nano-drug provided by the invention is passively transported into tumor cells in a targeted manner through an EPR effect, the hydrophobic photosensitizer can increase the generation of singlet oxygen under the irradiation of red light and cooperates with a chemotherapy drug (tetravalent platinum) to act together, chemotherapy and photodynamic therapy are combined, drug resistance can be overcome, and a good treatment effect is achieved; in the treatment process, the dosage of chemotherapeutic drugs is remarkably reduced, and side effects are greatly reduced.

The invention discloses a liquid-phase coated graphite negative electrode material, a preparation method thereof and a lithium ion battery, and the preparation method of the liquid-phase coated graphite negative electrode material comprises the following steps: adding asphalt into an organic solvent, and fully mixing to obtain an asphalt solution; and adding artificial graphite into the asphalt solution, fully mixing, heating, vacuumizing to remove the organic solvent, and carbonizing to obtain the liquid-phase coated graphite negative electrode material. According to the liquid-phase coated graphite negative electrode material, the preparation method thereof and the lithium ion battery provided by the invention, the fast-charging type graphite negative electrode material is prepared by a liquid-phase coating method, high capacity and excellent cycle performance are considered at the same time, and the liquid-phase coated graphite negative electrode material has remarkable practical value in the aspects of increasing high-energy density and high-rate charge and discharge requirements.

The utility model relates to a cylindrical battery coating structure and a cylindrical lithium ion battery, and belongs to the technical field of cylindrical batteries. The cylindrical battery coating structure comprises a sleeve, and the sleeve is arranged on the periphery of a cylindrical battery in a sleeving manner; two ends of the sleeve in the length direction correspondingly cover the outer edge of the positive end face and the outer edge of the negative end face of the cylindrical battery; the radial section area of the cylindrical battery after being sleeved with the sleeve is S0, the area, wrapped by the sleeve, of the end face of the positive electrode end of the cylindrical battery is a first area, the area of the first area is S1, the area, not wrapped by the sleeve, of the end face of the negative electrode end of the cylindrical battery is a second area, the area of the second area is S10, and the ratio of S1 to S0 is larger than or equal to 40% and smaller than or equal to 60%; the ratio of S10 to S0 is greater than or equal to 41% and less than or equal to 61%. According to the cylindrical battery coating structure and the cylindrical lithium ion battery provided by the utility model, the sleeve has a good coating effect on the positive electrode end and the negative electrode end of the cylindrical battery.

The utility model relates to the field of production equipment. The utility model aims at providing a leather piece gluing machine. The leather piece gluing machine comprises a machine table, a plurality of glue outlet mechanisms arranged on the machine table and a plurality of rotation mechanisms correspondingly arranged at the glue output ends of the glue outlet mechanisms. The autorotation mechanism is used for bearing the leather sheets and driving the leather sheets to autorotate, and glue flows out from the glue output end of the glue outlet mechanism and coats the peripheries of the autorotation leather sheets. The leather piece gluing device is high in production efficiency and good in gluing effect, leather pieces of different types and specifications can be glued, manpower is reduced, and the effects of reducing cost and improving efficiency are achieved.

The invention relates to high-solid-content AlN ceramic slurry for tape casting, a substrate and a preparation method of the substrate, and belongs to the field of ceramic substrates. The ceramic slurry is prepared from the following components in percentage by mass: 60 to 68 weight percent of high-purity AlN powder, 3 to 6 weight percent of dispersing agent, 3 to 5 weight percent of binding agent, 4 to 6 weight percent of plasticizer, 3 to 6 weight percent of sintering aid and 32 to 45 weight percent of solvent, the mass ratio of the plasticizer to the binder ranges from 3: 5 to 4: 5. By regulating and controlling the proportion of the dispersing agent in the AlN ceramic slurry and the solid content of the high-purity AlN powder, the slurry has excellent flowability, dispersity and stability while maintaining high solid content, and is suitable for a tape casting process. The AlN ceramic substrate prepared through sintering is high in density and excellent in heat conductivity, and engineering application can be achieved.

This invention relates to the field of battery technology, and more particularly to a positive electrode lithium replenisher, its preparation method, a positive electrode sheet, and a lithium battery. The aforementioned positive electrode lithium replenisher includes a core and a shell, with the shell covering the surface of the core to isolate the core from the side reaction environment. The core is a lithium-rich material, specifically at least one of Li5FeO4, Li5ReO6, and Li6CoO4. The shell is cobalt boride. This core-shell structured positive electrode lithium replenisher with cobalt boride as the shell effectively coats the core material, improves the air stability of the positive electrode lithium replenisher, reduces residual alkali, and thus enhances the battery's energy density and cycle performance.

The present invention relates to a method of manufacturing a positive electrode active material for a lithium secondary battery, comprising the steps of (a) preparing a positive electrode active material dispersion by mixing a positive electrode active material capable of reversible adsorption and release of lithium ions, and a solvent; (b) adding and mixing a raw coating material comprising lithium (Li) and niobium (Nb) to prepare a coating solution comprising a niobium-based compound; (c) adding to the positive electrode active material dispersion of step (a), the coating solution of step (b) to form a coating layer on the surface of the positive electrode active material; and (d) pressing filtering the product of step (c) to remove the solvent, and a positive electrode active material for a lithium secondary battery manufactured thereby.

The invention discloses a radiation-resistant low-volume macroporous oil-absorbing resin and a preparation method thereof, belonging to the technical field of new materials for polymer polymerization, and is prepared from the following raw materials: 80-95 parts of monomers; 0.05-1 parts of initiators; 0.01-0.1 parts of cross-linking agents; 0.05-3 parts of porogens; 0.01-5 parts of radiation-resistant additives; 5-10 parts of dispersants; and 200-500 parts of deionized water. The invention adds more abundant lipophilic groups to the resin through the selection and proportioning of olefin monomers, which can effectively absorb organic liquids containing radioactive elements, and the mixed cross-linking agent adds a variety of three-dimensional network structures to the inside of the resin, effectively coating the radioactive organic waste liquid, so that the oil-absorbing resin material has a small volume increase; at the same time, the composite porogen forms a variety of pores inside and on the surface of the resin, providing a path for the entry of organic liquids, accelerating the kinetic reaction process, and being conducive to further reducing the volume increase.

The invention relates to the technical field of batteries, and discloses a battery cell and a battery pack, the battery cell mainly comprises a pole group, an insulating film, two first adhesive films and two second adhesive films; the insulating film coats the periphery of the pole group; the two first adhesive films are folded respectively, wrap the corners of the bottom of the insulating film and are located on the two opposite sides of the insulating film, and each first adhesive film is provided with at least one folded edge after being folded; and the two second adhesive films respectively cover the outer surfaces of the flanges of the two first adhesive films and are used for fixing the flanges. According to the battery cell disclosed by the invention, the pole group is coated with the insulating film, and then the bottom corners of the insulating film are coated with the two first adhesive films, so that insulation performance reduction caused by slight material falling or foreign matter accumulation of the pole pieces can be avoided, the use reliability of the insulating film is improved, the use safety of the battery cell is improved, and the service life of the battery cell is prolonged; and the flanging of the first adhesive film is fixed through the second adhesive film, so that the flanging formed after folding can be prevented from being warped, and the pole group can be put into the shell conveniently.

The present invention relates to the technical field of textile equipment, and in particular to a low-energy yarn oiling device and an oiling method thereof, wherein the low-energy yarn oiling device comprises a yarn oil supply pump, a temperature control channel, an oil delivery device and a yarn conveying device, the yarn oil supply pump is provided with an oil inlet and an oil outlet, the oil delivery device comprises an oil delivery pipe and a rotating motor, an oil delivery cavity is provided in the oil delivery pipe, an oil delivery outlet is provided on the oil delivery pipe, an oil delivery inlet is provided on the oil delivery pipe, a spiral conveying shaft is provided in the oil delivery cavity, a turntable supporting the spiral conveying shaft is provided at both ends of the spiral conveying shaft, a rotating trough body is provided on the oil delivery pipe, a magnetic disc body is provided on the output shaft of the rotating motor, and the yarn conveying device comprises a transverse oil passage and a longitudinal wire passage, and the oil passage intersects and communicates with the wire passage. It solves the technical problems that partial oiling of yarn and precise oiling on demand cannot be achieved in the prior art.

The application belongs to the technical field of new energy battery materials, and discloses a composite solid electrolyte and a preparation method and system thereof. The preparation method comprises the following steps: under an inert atmosphere, a pretreated sulfide solid electrolyte and a pretreated halide solid electrolyte are put into a cavity; under the action of an ultrasonic standing wave, the sulfide solid electrolyte is suspended, and the halide solid electrolyte is dispersed; a gradient electric field in the vertical direction is formed through upper and lower electrode plates in the cavity, so that the halide solid electrolyte is coated on the sulfide solid electrolyte, and the composite solid electrolyte is obtained. The method provided in the application realizes uniform coating of LIC on LPSC, the coating layer is uniform, the interface is firmly combined, the interface stability and the oxidation resistance of LPSC are effectively improved, and the ionic conductivity of LIC and LPSC is retained.

The invention provides a manufacturing system of an aluminum-clad steel core anti-corrosion high-conductivity aluminum stranded wire. The manufacturing system of the aluminum-clad steel core anti-corrosion high-conductivity aluminum stranded wire comprises a coating module for coating the aluminum-clad steel core with anti-corrosion oil, the stranding machine is used for stranding a high-conductivity aluminum wire outside the anti-corrosion layer so as to obtain the aluminum-clad steel core anti-corrosion high-conductivity aluminum stranded wire; and the fixing module is used for fixing and tensioning the aluminum-clad steel core and the aluminum-clad steel core anti-corrosion high-conductivity aluminum stranded wire in the manufacturing process. According to the system, the high-conductivity aluminum wires are stranded on the aluminum-clad steel core subjected to anticorrosive oil treatment, so that the aluminum-clad steel core anticorrosive high-conductivity aluminum stranded wire with excellent conductivity and excellent anticorrosive performance is formed, the overall performance and durability of the cable are further improved, the high-standard industrial application requirement is met, and the application prospect is wide. Meanwhile, the production process is optimized through the automatic manufacturing system, and the overall production efficiency and output of the manufacturing system are improved.

The utility model relates to a dispensing tool for carton forming processing, which comprises a main frame body, a rolling dispensing assembly is rotatably mounted on the main frame body, and the rolling dispensing assembly is connected with a pressurized liquid supply assembly mounted on the main frame body through a liquid supply supporting pipe. The rolling dispensing assembly comprises a rotating disc, supporting rib rods, a mounting ring plate and a telescopic dispensing mechanism, the rotating disc is rotatably connected with the main frame body, and the rotating disc is coaxially connected with the mounting ring plate through the supporting rib rods which are annularly arranged at intervals; and a plurality of telescopic dispensing mechanisms which radially coincide with the mounting ring plate are inserted into the mounting ring plate in a rotational symmetry manner. According to the utility model, the dispensing spacing distance can be changed according to requirements, so that the dispensing quality and the dispensing efficiency are improved, and meanwhile, the pressure-contact glue discharging can be realized, so that the overflow and splashing of glue liquid are reduced.

The utility model discloses a vacuum coating device convenient for fast replacement of coating material, and relates to the field of vacuum coating devices, the vacuum coating device comprises a supporting seat, a supporting rod and a coating assembly, the center of the supporting seat is fixedly connected with a supporting push rod, the top end of the supporting push rod is fixedly connected with a sealing frame, and rotating plates are arranged on two sides in the sealing frame. According to the vacuum coating device capable of conveniently and rapidly replacing the coating material, through the arrangement of the limiting assembly and the coating assembly, in the using process of the vacuum coating device, a workpiece is stably limited, the situation that the workpiece is loosened and falls off during subsequent workpiece coating is avoided, the workpiece can be conveniently turned over subsequently, comprehensive workpiece coating is guaranteed, and the working efficiency is improved. And meanwhile, the number of the coating assemblies is two, and coating materials in the two coating assemblies are different, so that a worker can conveniently and quickly replace the coating materials, the vacuum coating device is more efficient when coating a workpiece, and the worker can conveniently use the vacuum coating device.

The utility model provides a portable tool of painting in high place relates to the field of painting, this portable tool of painting in high place, this portable tool of painting in high place, including telescopic handle, electric telescopic link, and the rotation mechanism rotation is connected between electric telescopic link and telescopic link, and the fixed connection of electric telescopic link output end has the shell, the fixed connection of storage tank is established in the shell upper end, and the discharge port is established between the shell and storage tank, and the fixed connection of discharge pipe has the discharge port, and the rotation is connected in the shell and has the roller shaft, and the outer surface of roller shaft is sleeved with the rolling brush, this portable tool of painting in high place, solved the roller brush when painting with the roller brush short, when the equipment painting is not good to brush the top, need the operating personnel to stand the scaffold or lift truck of setting up and carry out the painting operation, and need to dip the paint frequently, and the painting efficiency is low, and the quality can not guarantee the problem.

The utility model discloses a vacuum sputtering device for efficiently and uniformly depositing a copper film, which relates to the technical field of film plating machines and comprises a master console, an electronic control device arranged in the master console, a film plating box arranged in the middle of the top surface of the master console, a box door hinged to the front end surface of the film plating box, a film plating mechanism arranged in the film plating box, and a connecting structure arranged between the film plating box and the box door. The coating mechanism comprises an adjusting assembly, an anode assembly, a cathode assembly and a magnetic control assembly; according to the utility model, through the matching of the adjusting assembly and the cathode assembly, the distance between the electrodes can be freely adjusted, so that the coating uniformity is ensured, the coating uniformity is improved, and the uniform coating capability is realized; through cooperation of the cathode assembly and the magnetic control assembly, the sputtering direction of the plasma can be restrained to the maximum degree, so that the coating efficiency is improved, and the efficient coating capacity is achieved; and finally, the problem of low coating quality caused by improper electrode distance or serious plasma dissipation during coating of the existing equipment is solved.

The utility model discloses a CO-PROX integral catalyst coating machine. The machine mainly comprises a driving cylinder (1), a driving plate (2), a vacuum circulating pipe (3), an upper die mounting plate (4), an upper die (5), an integral catalyst carrier (6), a lower die (7), a rack (8), a console (9) and a vacuum pump (10). A driving cylinder (1) is arranged at the top of the coating machine main body, a driving plate (2) is arranged at the lower part of the driving cylinder (1), and a console (9) is arranged on the right side of the driving plate (2). The lower part of the driving plate (2) is connected with a vacuum circulating pipe (3), and the vacuum circulating pipe (3) is also connected with an upper die mounting plate (4). The upper die (5) is attached to the lower part of the upper die mounting plate (4); and the integral catalyst carrier (6) is arranged below the upper die (5). According to the device, a driving cylinder is arranged to push a driving plate to drive an upper die mounting plate to press downwards, so that upper and lower dies (a coating liquid containing disc is arranged at the bottom end of the lower die) are sealed with the exteriors of the two ends of a workpiece, small holes in the middle form a sealed cavity, and coating liquid at the bottom of the lower die moves upwards to the other end of a honeycomb ceramic catalyst carrier under the action of vacuum.

The invention discloses an altrenogest sustained-release medicament as well as a preparation process and application thereof, and relates to the field of veterinary drugs. When the altrenogest sustained-release medicament is prepared, altrenogest reacts with carboxyl-terminated polylactic acid-glycolic acid to prepare drug-loaded nano-particles, chitosan reacts with 3, 4-dihydroxyphenylpropionic acid and then reacts with a carbodiimide solution to prepare modified chitosan, and the modified chitosan and the 3, 4-dihydroxyphenylpropionic acid react to prepare the altrenogest sustained-release medicament. The preparation method comprises the following steps: activating drug-loaded nano-particles with 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxysuccinimide, and then reacting with a modified chitosan solution to prepare hydrophilic drug-loaded nano-particles; the hydrophilic drug-loaded nanoparticles, hydroxypropyl-beta-cyclodextrin, magnesium stearate, hydroxy propyl cellulose and lactose are pressed into tablets by a direct tabletting method to prepare the medicine-loaded hydrogel. The altrenogest sustained-release medicament prepared by the invention has good sustained-release performance and drug release rate.

The present invention discloses an atomizing coating device for a diaper bottom film, comprising a bottom film transmission mechanism, which is composed of a transmission box, an arc-shaped guide bracket and a pressure roller. The transmission box is placed on the ground through a foot pad support, the arc-shaped guide bracket is installed on the top of the transmission box, and the pressure roller is evenly arranged on the top surface of the arc-shaped guide bracket. The surface of the arc-shaped guide bracket is sequentially embedded with fixed bearings, which are connected to the pressure roller. A plurality of bottom film transmission pressure wheels are sequentially sleeved on the surface of the pressure roller. A pulley is provided at one end of the pressure roller, and transmission belts are sequentially sleeved on the surfaces of the plurality of pulleys, wherein a stepping motor is installed at the end of the pressure roller, and a coating mechanism A is installed on the side of the transmission box. The pressure roller is installed through the transmission box, the arc-shaped guide bracket and the fixed bearing.

The present invention relates to a photosensitive resin composition, a pattern forming method and an anti-reflection film. The present invention provides a photosensitive resin composition comprising (A) an organosilicon resin containing an acid-crosslinkable group, (B) a photoacid generator, and (C) hollow silica. The photosensitive resin composition has satisfactory reliability, flexibility, photolithography resolution and light resistance while maintaining the function of an anti-reflection film.

The utility model provides a shielding device for a strain insulator. The shielding device comprises a first shielding piece, a second shielding piece and an electroscope, the first end of the first shielding piece is rotatably connected with the first end of the second shielding piece; the second end of the first shielding piece covers the second end of the second shielding piece, and an accommodating space is formed between the first shielding piece and the second shielding piece; and the electroscope end of the electroscope penetrates through the first shielding piece or the second shielding piece and is arranged in the accommodating space. The first shielding piece and the second shielding piece are covered to form the accommodating space, so that the lead and related accessories of the strain insulator to be shielded can be wrapped; moreover, the first shielding piece and the second shielding piece are rotationally connected, so that the coating operation is simplified compared with coating through an insulating blanket, and rapid coating of related accessories of the strain insulator is realized; and meanwhile, the electroscope is also arranged for detecting whether the strain insulator fails or not, so that the problem of potential safety hazards caused by failure of the strain insulator is solved, and the operation safety is improved.

The invention relates to a small and convenient oxygen isotope nuclear reaction target manufacturing process and device, a reaction target lining and a sputtering target material are arranged in a vacuum chamber of a magnetron sputtering target manufacturing device, a sputtering electric field is provided by adopting a radio frequency power supply, and the flow of argon and oxygen filled into the vacuum chamber and the pressure in the vacuum chamber are controlled; the chromium oxide film layer is sputtered on the reaction target lining at a stable rate to form a film, and the oxygen isotope nuclear reaction target is prepared. The content of nitrogen in the chromium oxide film layer prepared by the process is extremely low, the abundance of oxygen isotope reaches 70%, and the applicability of the film layer in nuclear reaction cross section measurement is greatly enhanced. The method has the remarkable advantages of efficient coating, excellent film quality, simplicity and convenience in operation, environment friendliness, energy conservation and the like. The magnetron sputtering device improves the sputtering efficiency and the power efficiency through the synergistic effect of a magnetic field and an electric field, and ensures uniform deposition and strong adhesive force of the film. The device is compact in structure, flexibly adapts to various target materials and process requirements, reduces environmental pollution and conforms to the green production concept.

The utility model relates to the related technical field of floor surface coating, and discloses floor surface coating equipment which comprises a coating rack, a plurality of coating rollers are rotatably arranged in the coating rack, a storage plate which slides up and down to be close to or far away from the coating rollers is arranged on the lower sides of the coating rollers, and the coating rollers are arranged on the storage plate. And a coating space for placing the floor is formed between the storage plate and the coating roller. Through the arrangement of the coating rack, the whole coating process can be carried out in a stable environment, and through the up-down sliding of the storage plate, the floor can slide up and down along the storage plate so as to adjust the distance between the floor and the coating roller; according to the floor surface coating device, the purpose of adapting to surface coating of floors with different thickness specifications is achieved, the coating distance can be accurately adjusted through the arrangement of a limiting block and a distance measuring caliper, the purpose that the floor surface can be effectively coated is guaranteed, and the floor surface coating quality is guaranteed.