279results about How to "Effective contact" patented technology

The forging table clamping device of the steering worm comprises a workbench, the top of the workbench is fixedly connected with a bearing table, supporting cylinders are arranged at the positions, located on the two sides of the bearing table, of the top of the workbench, the inner walls of the supporting cylinders are connected with movable plates in a sliding mode, and the movable plates are fixedly connected with the bearing table. The bottom of the movable plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with the bottom of the inner wall of the supporting cylinder, and a non-return mechanism for preventing the first spring from rebounding is arranged between the movable plate and the supporting cylinder. According to the forging table clamping equipment for the steering worm, through the arrangement of a non-return mechanism, limiting teeth make contact with teeth of a limiting rack under the action of a second spring, so that rebounding of a first spring is avoided, a worm blank keeps effective contact with the surface of the bearing table all the time, the forging quality is guaranteed, the positions of a clamping piece and a forging piece do not need to be frequently adjusted, and the working efficiency is improved. And the forging efficiency of the workpiece is improved.

The invention relates to the technical field of spray towers, in particular to a spray tower for producing 4-methyl-5-hydroxyethylthiazole, which comprises a tower body, an exhaust pipe is arranged at the top of the tower body, a spray pipe is communicated with the upper part of the tower body, a discharge pipe and an air inlet pipe are communicated with the bottom of the tower body, and a filler layer is fixedly mounted at the upper part of the tower body. The packing layer is arranged below the spraying pipe, a motor is fixedly installed at the bottom of the tower body, the output end of the motor penetrates through the bottom of the tower body and is fixedly provided with a round rod, a flattening assembly is further arranged on the round rod and located between the spraying pipe and the packing layer, and a scraping assembly is arranged in the middle of the round rod. In the downward movement process of the lantern ring, the two arc-shaped scrapers can form a circular ring capable of being attached to the inner wall of the tower body, absorption liquid can be pushed downwards by the arc-shaped scrapers, the falling speed is increased, the speed of the absorption liquid falling into the bottom of the tower body is increased, and it is ensured that the absorption liquid can effectively make contact with waste gas; absorption liquid is prevented from remaining on the inner wall to affect normal operation of equipment.

The invention provides an elastic contact terminal at the end part of a lamp, which comprises a plug-in frame, the plug-in frame is suitable for being connected to the end part of a shell of the lamp in a matched manner, two conductive elastic sheets are arranged in the plug-in frame at intervals, and the conductive elastic sheets extend along the length direction of the shell; the length of the conductive elastic pieces is larger than that of the plug-in frame, each conductive elastic piece comprises a clamping head exposed out of the plug-in frame, the clamping heads of the two conductive elastic pieces are arranged to be capable of relatively opening and closing, the opposite inner sides of the clamping heads abut against elastic elements, and the deformation restoring force of the elastic elements enables the clamping heads to have the outward opening tendency. The invention aims to solve the problems of insufficient elasticity and permanent deformation caused by long-time use of the reed contact terminal of the small lamp, can ensure continuous and effective contact between the conductive elastic sheet and the conductive strip, remarkably improves the reliability of the lamp and prolongs the service life of the lamp, and has high practicability and economical efficiency.

The invention relates to the technical field of capacitor electrolyte manufacturing, in particular to an ultrahigh-conductivity capacitor electrolyte formula and a preparation method thereof.The ultrahigh-conductivity capacitor electrolyte formula comprises a main solvent, a solute and an additive, an organic solvent in the main solvent and a low-viscosity organic solvent are mixed according to a specific proportion, the dielectric property and the ion migration environment of the solvent can be effectively balanced, and the conductivity of the capacitor is improved; and a good condition is created for ion transmission. And through reasonable matching and concentration control of high-dissociation-degree salts and organic salts in solutes, sufficient dissociation and efficient transmission of ions are ensured, and the conductivity of the electrolyte is greatly improved. A plurality of additives are added according to a specific proportion and properties, the conductivity enhancing additive forms a conductive network, the electrode protection additive forms a uniform protection film on the surface of an electrode to improve the interface stability, the electrolyte stabilizing additive inhibits decomposition and oxidation reactions in a wide temperature range, and stable performance and high conductivity of the electrolyte are guaranteed through a synergistic effect.

The jettisonable gas sensor comprises a jettisonable unmanned aerial vehicle and a controller, the bottom of the controller is fixedly connected with a jettisonable device, the jettisonable device comprises a fixing plate and a rotating shaft rotationally connected to the fixing plate, and the fixing plate is rotationally connected with the controller through the rotating shaft; two limiting holes are formed in the bottom of the fixing plate, electric push rods are arranged in the two limiting holes, and connecting mechanisms are fixedly connected to the bottoms of the two limiting holes; the effect of accurately detecting gas information is achieved through the buffering mechanism, when the damping mechanism falls to the ground, the buffering air bag absorbs impact energy, a movable rod in the buffering air bag moves to drive related parts to eject the parachute, an air inlet or a sensing part of the detection mechanism is prevented from being covered, and effective contact between a sensor and external gas is guaranteed; therefore, gas information is accurately converted into electric signals, accurate detection is realized after processing, and reliable data is provided for mastering on-site gas conditions.

The invention provides an adhesive substance, an adhesive composition, a positive pole piece, a secondary battery and an electric device. The bonding substance comprises a bonding agent, the bonding agent comprises a structural unit A, a structural unit B, a structural unit C and a structural unit D, and at least part of the structural unit A is crosslinked with at least part of the structural unit D; the structural unit A is # imgabs0, the structural unit B is independently any one or more of # imgabs1, # imgabs2 and # imgabs3, optionally, the structural unit B is independently any one of # imgabs4 or # imgabs5, the structural unit C is independently any one of # imgabs6 or # imgabs7, each m1 and each m2 are independently integers from 1 to 20, optionally, each m1 is independently any integer from 2 to 12, and each m2 is independently any integer from 8 to 12; the structural units D are respectively and independently any one or more of # imgabs8 #, n1 are respectively and independently any integer from 1 to 20, optionally, n1 is any integer from 1 to 12, and further optionally, n1 is any integer from 1 to 6.

The invention discloses a micro-fluidic water quality sensor based on MEMS and a detection method thereof, and belongs to the technical field of water quality monitoring chips, the micro-fluidic water quality sensor comprises a substrate, a micro-fluidic channel is arranged in the middle of the substrate, a detection assembly is arranged on one side of the micro-fluidic channel, and a heating electrode is arranged at the bottom of the micro-fluidic channel; according to the sensor, microfluid control, local heating evaporation, spectrum detection and intelligent control strategies are comprehensively applied, rapid and accurate analysis of water quality parameters is achieved, the sensitivity and response speed of a water quality monitoring technology are improved, the microminiaturization degree of the sensor is improved by applying an MEMS technology, and the sensor is particularly suitable for the field of on-site instant detection and environment monitoring; the assembling and manufacturing of the sensor not only detailedly describes the whole process from material selection, structural design to assembly integration, but also emphasizes the key control point and optimization strategy of each step, so as to achieve the batch production target of the efficient and reliable microfluidic water quality sensor.

The invention relates to the field of equipment detection, in particular to an oil leakage detection system and method for oil charging equipment. The system comprises a hydrocarbon sensing cable, the center of the hydrocarbon sensing cable is provided with a sensing line, the outer side of the sensing line is wrapped with an adsorption part, the adsorption part is used for adsorbing leaked liquid hydrocarbon, and the sensing line is used for detecting resistance change; the hydrocarbon sensor is connected with the hydrocarbon sensing cable and is used for converting resistance change caused by adsorbed hydrocarbon into a digital signal and sending the digital signal to the sensor module; the sensor module communicates with the background system monitoring host and is used for detecting the oil leakage condition of the oil charging equipment; the background system monitoring host is used for receiving and processing signals sent by the sensor module. And missed inspection caused by insufficient manual inspection is reduced. According to the invention, the plurality of sensor modules are used for covering key parts of the oil filling equipment, especially areas which are difficult to observe, so that dead-angle-free monitoring is ensured.

The invention belongs to the technical field of beam field detection, and aims to solve the problems of complexity and errors during manual line drawing and springback detection in traditional distance measurement. According to the inspection robot for beam field springback detection and the detection method of the inspection robot, the free end of a mechanical arm can move in multiple directions and multiple angles relative to a robot body, and the free end of the mechanical arm is provided with a quick-change main disc; a test area seal in the rebound apparatus test area seal tool is used for stamping a test area pattern at a target position of a concrete surface of a beam structure, and a rebound apparatus of the rebound apparatus tool is used for performing a concrete rebound test at the position where the test area pattern is stamped; the rebound instrument test area seal tool and the rebound instrument tool are both detachably connected with the robot body, quick-change auxiliary discs are arranged on the tools, and any quick-change auxiliary disc and the quick-change main disc can form a quick-change mechanism. According to the device, the rebound detection range and efficiency can be increased, and the complexity and errors caused by manual line drawing and handheld rebound apparatus detection are avoided.

The invention discloses automatic labeling equipment based on visual inspection, and relates to the technical field of automatic labeling, the automatic labeling equipment comprises a material conveying mechanism, the material conveying mechanism comprises a rack, and the rack is provided with a feeding conveying belt and a defective product conveying belt; the labeling mechanism comprises a buffer assembly, the bottom end of the buffer assembly is connected with a ventilation seat, and the bottom of the ventilation seat is in threaded connection with a labeling adsorption assembly; the spatial displacement mechanism is arranged on the rear side of the material conveying mechanism; and the detecting and pushing mechanism is arranged on the rear side of the conveying mechanism. The multiple light springs are embedded in the thickened sponge adsorption layer, the multiple light springs are matched with the thickened sponge adsorption layer to achieve the buffering effect, meanwhile, the multiple light springs support the thickened sponge adsorption layer, so that the thickened sponge adsorption layer can rapidly rebound, collapse of the thickened sponge adsorption layer is avoided, and the service life of the device is prolonged. And the service life is prolonged.

The invention belongs to the technical field of carbon dioxide capture, and particularly relates to a supported catalyst, a preparation method and application thereof, and an organic amine solution regeneration method. The supported catalyst provided by the invention comprises gamma-Al2O3 and Zr and M metals loaded on the surface and in pore channels of the gamma-Al2O3, and the M metals comprise Fe, Ni, Cu or Ce. According to the supported catalyst provided by the invention, gamma-Al2O3 is taken as a carrier, so that the supported catalyst is endowed with a mesoporous structure, and more effective contact is provided for catalytic active sites and reactants; zr and M metals are used as active components to form the bimetallic supported solid acid catalyst; the synergistic effect of double metals endows the supported catalyst with stronger acidity and higher content of Bronsted and Lewis acid sites. The supported catalyst is used for catalyzing and desorbing the CO2-rich organic amine solution, so that the CO2-rich organic amine solution can be desorbed at a relatively low temperature, and the regeneration cost is reduced.

The invention relates to the technical field of grinding equipment, in particular to a metal pipe fitting synchronous grinding device which comprises a base, a supporting column is fixedly arranged on the upper surface of the base, a limiting ring is fixedly arranged at the top end of the supporting column, a rotating cylinder is rotationally arranged in the limiting ring, and mounting openings are symmetrically formed in the outer wall of the rotating cylinder; a first telescopic part is fixedly arranged in the mounting opening, a movable plate is arranged at the telescopic end of the first telescopic part, a mounting frame is connected to the outer side of the movable plate in a sleeving mode, a fixed rod is fixedly arranged on the inner wall of the mounting frame and penetrates through the movable plate, and a movable rod is movably arranged on the outer wall of the mounting frame in a penetrating mode. According to the metal pipe fitting polishing device, metal pipe fittings of different sizes can be conveniently polished, when the metal pipe fittings are moved out of one end of the rotary drum, the to-be-polished metal pipe fittings of the same size can be immediately fed into the rotary drum, continuous and synchronous polishing of the metal pipe fittings can be achieved, the polishing efficiency is effectively improved, and the using effect is better.

The invention relates to the technical field of fluidized beds, in particular to a fluidization coating device with pulse, stirring and double-particle triple synergy, which comprises a spray fluidized bed reactor, a fluidized bed reactor, a stirring device and a double-particle fluidized bed reactor, the gas distributor is positioned above the carrier gas inlet and is used for uniformly distributing carrier gas entering from the carrier gas inlet on the whole bed layer to form fluidized gas; the gas-liquid two-phase flow nozzle is connected with the gas supply unit and the coating liquid conveying tank and is used for atomizing the coating liquid into micron-sized small liquid drops and then spraying the micron-sized small liquid drops into the spray fluidized bed reactor; the mechanical shearing unit continuously generates local mechanical crushing on the aggregate; the pulse air inlet device is connected with the air supply unit and is used for applying periodic pulse airflow to the fluidized bed layer and breaking particle aggregation and channeling formed during initial fluidization; and the flow aiding particles and the fine powder particles to be coated jointly form a double-particle fluidization system. The problems of difficult fluidization starting, non-uniform fluidization and the like of ultrafine powder particles are solved through triple synergy of pulse, stirring and double particles.

The present invention discloses an electrical box with sealing and high-efficiency heat dissipation, and relates to the technical field of air conditioning. The electrical box with sealing and high-efficiency heat dissipation comprises a processing frame and a mounting frame, and also comprises a disassembly device; wherein, an electrical body is fixedly mounted on the bottom of the inner wall of the processing frame, a temperature detector is fixedly mounted on the bottom of the inner wall of the processing frame, a detection module and a control module are arranged inside the temperature detector, and a mounting opening is provided on the surface of the processing frame; wherein, the disassembly device comprises a conduction plate, a heat dissipation fin, a heat dissipation fan, an L-shaped plate, a triangular plate, a sliding plate and a sliding frame, and a sliding groove is provided on the surface of the mounting frame. The electrical box with sealing and high-efficiency heat dissipation can realize rapid disassembly, facilitate the inspection and maintenance of the heat dissipation device, reduce the maintenance cost of the equipment, and realize effective contact with electrical bodies of different sizes.

The utility model relates to the technical field of forest tree seedling raising, in particular to a soaking treatment integrated device used before camphor tree seed seedling raising, which comprises a box body and eight filter cartridges which are positioned in the box body, are uniformly distributed along the circumference and are used for placing seeds, and a rotating mechanism used for driving the eight filter cartridges to rotate is arranged in the center of the interior of the box body. A cleaning assembly used for flushing seed residual soaking liquid and a drying assembly used for drying seed cleaning liquid are further arranged at the upper end of the interior of the box body; the rotating mechanism comprises a fixed cylinder and eight groups of supporting rods fixed on the surface of the fixed cylinder, a mounting sleeve is fixed at the end part of each group of supporting rods, and the filter cartridge is movably clamped into the mounting sleeve; the partition plate assemblies are located at the two ends in the box body, are adjustable in position and are used for partitioning the inner space of the box body. According to the device, soaking, cleaning and drying are integrated in the same device, the seed soaking treatment efficiency is greatly improved, meanwhile, seeds can make uniform and effective contact with soaking liquid, and the soaking effect is improved.

The invention relates to the technical field of graphene materials, in particular to a graphene modified carbon nanotube compound material and a preparation method thereof. According to the compound material tube, the modified carbon nanotubes, the graphene and the metal ions are mutually crosslinked, so that the electrical property is improved. The prepared compound material is of an upper-line network structure, the nanotubes are evenly dispersed between graphene sheet layers, the compound material has a large effective specific surface area, charge transmission is facilitated, and the electrochemical performance is excellent.

The invention relates to a tool for turning a high-speed motor stator spigot and a machining method of the tool, and relates to the technical field of high-speed motor stator machining.The tool comprises a stator mandrel, a tensioning part is integrally formed on the outer wall of the stator mandrel, a stator tensioning sleeve is arranged on the outer wall of the tensioning part in a sleeving mode, and the stator tensioning sleeve comprises a connecting ring and a plurality of tensioning strips; the plurality of tensioning strips are fixedly connected with the connecting ring at one end of the connecting ring, the plurality of tensioning strips are uniformly distributed in the circumferential direction of the connecting ring, the outer walls of the tensioning strips abut against the inner wall of the stator core, the inner walls of the tensioning strips abut against the outer wall of the tensioning part, the outer diameter of the tensioning part is gradually reduced in the axial direction of the tensioning part, and the wall thickness of the tensioning strips is gradually increased in the reducing direction of the outer diameter of the tensioning part. The motor base has the effects of ensuring the coaxiality of the spigots at the two ends of the motor base and the stator core and reducing the production cost.

The invention relates to the technical field of iron-silicon-aluminum powder production, in particular to an iron-silicon-aluminum powder production device based on a gas atomization method powder.The iron-silicon-aluminum powder production device comprises a supporting frame, a reaction barrel is fixedly connected to the inner side of the supporting frame, a fixing rod is annularly and fixedly connected to the inner wall of the reaction barrel, and a fixing ring is fixedly connected to the inner side of the fixing rod; a motor is fixedly connected to the inner wall of the fixing ring, a first screw rod is fixedly connected to the output end of the motor, a rotating rod is fixedly connected to the top of the first screw rod, a tray is slidably clamped to the outer surface of the bottom of the rotating rod, and scraping plates are symmetrically and fixedly connected to the lower surface of the tray. The metal liquid extends into a sheet shape to fly out under the action of centrifugal force, and at the moment, the tray can also drive the metal liquid to move upwards, so that the metal liquid on the tray is closer to the gas collecting ring, and the high-speed gas flow can more effectively impact the metal liquid and crush the metal liquid into smaller and more uniform liquid drops.

The utility model discloses a spraying purification device for waste gas treatment, the spraying purification device comprises a base and a spraying tank, the spraying tank is mounted above the base, a water pump and a water tank are further arranged above the base, a rotating rod penetrates through the inner wall of the top end of the spraying tank, a rotating mechanism is arranged outside the rotating rod, the bottom end of the rotating rod penetrates into the spraying tank, and the bottom end of the rotating rod is connected with the spraying tank. A first liquid inlet pipe is inserted into the inner wall of the top end of the rotating rod in a penetrating mode, the first liquid inlet pipe is communicated with the spray head, and a second liquid inlet pipe is fixed to the end, away from the rotating rod, of the first liquid inlet pipe. The spray head can rotate in the spray tank, and the spray head for rotary spraying disperses spray liquid into fine liquid drops through centrifugal force, so that the gas-liquid contact surface area is effectively increased, the absorption efficiency is improved, and pollutants in waste gas are more effectively contacted and reacted with the spray liquid.

The invention relates to the technical field of nano materials, in particular to a CoMo-BTNT anode, a preparation method and application thereof, and the preparation method comprises the following steps: preparing a Ti substrate; preparing a titanium dioxide nanotube array by using a Ti substrate; co-Mo oxide layer deposition liquid is deposited on the surface of TNA through a direct-current electrodeposition method, then annealing heat treatment is conducted, and CoMo-TNA is prepared; preparing a CoMo-BTNT anode by taking CoMo-TNA as a cathode and a Pt sheet as an anode; the invention also provides an application of the CoMo-BTNT anode in degradation of antibiotics in water. According to the invention, TNA is used as a base layer, an active CoMo oxide layer is deposited on the TNA base layer, the TNA base layer has good electrical conductivity and electro-catalytic performance, the electrical conductivity of the anode is improved, an effective electrically-assisted activated PMS degradation tetracycline system is constructed, and a new solution thought is provided for treatment of tetracycline wastewater.

The invention discloses a cooling and conveying device for preventing over-temperature denaturation of a compound fertilizer, and relates to the technical field of compound fertilizer production, the cooling and conveying device comprises a plurality of groups of cooling units, and each cooling unit comprises a clamping piece, an extension rod, a clamping rod and a fan; the multiple sets of material turning units comprise erecting plates, multiple sets of control rods, screening assemblies and material turning assemblies. The device has the beneficial effects that materials are preliminarily filtered by the toothed plate, large or hardened particles can be removed, and it is ensured that the sizes of the particles subjected to follow-up turning treatment are uniform. And therefore, the influence of large particles on the air cooling effect can be reduced, and cold air can be in contact with each particle more effectively. The particles are redistributed in the turning process, the contact area between the particles and cold air is increased, rapid heat dissipation is promoted, and therefore the overall heat dissipation effect is improved, and the phenomenon that the particles adhere or harden due to high temperature is prevented.

The utility model relates to humidity sensor technical field discloses a humidity sensor with high sensitivity, including insulating base, the insulating base is pasted with the lower humidity sensitive membrane for sucking the water resource of external environment, and the side that lower humidity sensitive membrane is away from insulating base is equipped with double -end electrode, simultaneously the side that double -end electrode is away from lower humidity sensitive membrane pastes with the upper humidity sensitive membrane for sucking the water resource of external environment. In the utility model, through setting up streamline groove on lower humidity sensitive membrane and upper humidity sensitive membrane, can increase the surface area on lower humidity sensitive membrane and upper humidity sensitive membrane, secondly increase more water molecule contact point, thereby improve the hygroscopic efficiency and humidity sensor's sensitivity, streamline groove can help guide air flow simultaneously, make the water vapor in the air more effectively contact different parts of the humidity sensing film, which helps to improve the overall hygroscopic humidity sensing speed and uniformity, ensure the accuracy of humidity sensor monitoring.

The invention provides an electrochemical method, an electrode and a system for synthesizing hydrogen peroxide without aeration, and relates to the technical field of electrochemical preparation of hydrogen peroxide. The multistage hole penetrating type cathode with a specific multistage hole channel structure is adopted, the oxygen-containing electrolyte penetrates through the multistage hole penetrating type cathode for electrochemical reaction under the non-aeration condition, dissolved oxygen in fluid is forced to make efficient contact with catalytic active sites through the multistage hole channel structure, the mass transfer process is greatly enhanced, and the catalytic activity of the catalyst is improved. And the diffusion limitation of the traditional flow-through electrode is overcome. And meanwhile, the structure required for synthesizing hydrogen peroxide is simplified by an aeration-free operation mode, and the energy consumption and the cost are reduced. Finally, through the synergistic effect of the technical characteristics, the high-yield and high-flux synchronous output of hydrogen peroxide can be realized under the condition that an expensive catalyst and external gas aeration are not needed.

This utility model relates to a wool spinning winding machine, including a frame and a placement structure. The placement structure is installed on the upper surface of the frame. A cleaning structure for cleaning the wool surface is also installed on the inner side of the frame. A stepper motor is installed on the upper end of the mounting structure. Cleaning tubes are arranged in a ring array on the lower end of the mounting structure. Fiber brushes are provided on the inner side of the cleaning tubes. Pulleys are provided on the surface of the cleaning tubes. Two sets of pulleys are connected by a transmission belt. An upper circular plate is installed on the upper end of the mounting structure. A fan is also provided on the upper end of the upper circular plate. Air ducts are arranged in a ring array on the upper end of the mounting structure, and the air ducts communicate with the interior of the upper circular plate. Upper connecting pipes are arranged in a ring array on the mounting structure, and the upper connecting pipes communicate with the cleaning tubes. Furthermore, one end of each air duct is connected to the surface of the upper connecting pipe and they communicate internally. This utility model solves the problems of existing winding machines being unable to effectively clean the wool surface and unable to achieve winding of multiple wool layers, resulting in prolonged winding time.

The invention discloses a high-thermal-conductivity vermicular brake disc, and relates to the technical field of brake discs. Comprising a brake disc body, the brake disc body comprises a mounting ring, and a front brake disc and a rear brake disc are fixedly mounted at the two ends of the mounting ring correspondingly; a replacement assembly is arranged on the mounting ring, a plurality of standby brake discs are mounted on the replacement assembly, and replacement grooves are formed in the front brake disc and the rear brake disc; and positioning assemblies are arranged in the front brake disc and the rear brake disc correspondingly, and cooling assemblies are arranged on the positioning assemblies. The front and back surfaces of the standby brake disc on the brake disc body are automatically replaced through the replacement assembly, the service life of the brake disc body is effectively prolonged, meanwhile, the phenomenon of car accidents caused by brake failure is avoided to a certain extent, and the positioning assembly and the cooling assembly are utilized for cooling the brake disc body. The phenomenon that the brake disc body deforms due to the fact that heat of the brake disc body is too high is effectively reduced.

The utility model relates to the technical field of hair care, and particularly discloses a fluffy comb which comprises a comb body provided with a plurality of elastic mounting parts. The first comb tooth group is at least partially mounted on the elastic mounting parts, and the first comb tooth group drives the elastic mounting parts to generate elastic deformation when being pressed. The fluffy comb can effectively solve the problems that in the combing process of an existing fluffy comb, the combing force is difficult to control, and the combing experience feeling is poor.

The application discloses synthetic leather composite silica gel humanoid robot simulation skin and a preparation method and application thereof, and belongs to the humanoid robot surface material application field. The skin comprises, from outside to inside, a synthetic leather layer with bionic texture, a water-based polyurethane interface layer with a thickness of 0.03-0.06 mm, and a silica gel layer. The water-based polyurethane interface layer is composed of a water-based polyurethane-silicone block copolymer with a hydroxyethyl acrylate end cap and a side chain containing a vinyl group. In the preparation, the water-based polyurethane interface layer is first formed on the back of the synthetic leather, then a platinum gold catalyst is sprayed on the interface and a mold, and finally the addition type liquid silica gel containing a silicon hydrogen bond is compounded in the mold and is cured at 24-26 DEG C and 40%-60% humidity. Peeling damage is realized to occur in the silica gel body; meanwhile, the interface layer and the synthetic leather cooperatively constitute a double barrier, so that the silicon oil exosmosis is avoided. The product has strong comprehensive advantages, and the process is environment-friendly and low in cost.

The utility model discloses a plastic bag winding correction anti-deviation device which comprises a rack, wallboards are symmetrically arranged at one end of the rack, a leading-in roller is rotationally installed between the wallboards through an adjusting mechanism, the other end of the rack is rotationally connected with a roller plate through a hinge, and a leading-out roller is rotationally connected to the roller plate. The side, away from the hinge, of the roller plate is connected with a working rod of an air cylinder through a hinged support, the air cylinder is connected to the rack through a hinged support, an adjusting roller is arranged in the middle of the rack, an end shaft at one end of the adjusting roller sleeves a first step base, an end shaft at the other end of the adjusting roller sleeves a second step base of a correcting mechanism, and the correcting mechanism is arranged on the supporting plate. The plastic bag guiding-in device is simple in structure, reasonable in design and novel and unique in idea, the height of the guiding-in roller is adjusted through the adjusting mechanism, effective contact guiding-in in the plastic bag width displacement process is facilitated, meanwhile, tensioning is achieved through rotation of the roller plate supported by the air cylinder, it is guaranteed that the tightness degree of the plastic bag is proper in the plastic bag width displacement process, and wrinkles generated during rolling are avoided.

The utility model relates to the technical field of cleaning brushes, in particular to a cleaning brush which comprises a hook and a cleaning assembly, the cleaning assembly is arranged at the bottom of the hook and comprises a brush handle, the brush handle is fixedly connected to the bottom of the hook, a brush head is arranged below the brush handle, and quartz sand is fixedly connected to the outer side of the brush head. A detachable assembly is arranged at the bottom of the brush handle, the brush head is made of soft rubber materials, the soft rubber materials comprise silica gel, rubber and plastic, the detachable assembly comprises a fixing lug, and the fixing lug is fixedly connected to the bottom of the brush handle. According to the cleaning brush, the cleaning assembly is installed, the soft colloid brush head can be tightly attached to the stain surface through extrusion deformation, quartz sand covering the surface of the brush head makes effective contact with the stain surface, and therefore the cleaning effect is improved, meanwhile, the quartz sand covering the surface of the soft colloid brush head rubs, cuts and breaks the contacted stain, and the cleaning effect is improved. And finally, the purpose of removing stains is achieved.

This invention discloses a portable low-temperature plasma device based on a Laval nozzle structure and its application, belonging to the field of plasma technology application technology. Specifically, it includes (1) the construction of the device; and (2) the use of the device for fungal eradication treatment and transdermal drug delivery enhancement treatment. The beneficial effects achieved by this invention are as follows: This invention is the first to apply the Laval nozzle structure to a portable low-temperature plasma device. The results show that the device can effectively improve the plasma jet performance and active particle content, significantly improve the treatment effect of fungal infections of the skin and nails and the transdermal drug penetration efficiency, while solving the problems of large size, reliance on external power supply, and complex operation of traditional plasma devices. Therefore, using this invention for the treatment of fungal infections of the skin and nails and for enhanced transdermal drug delivery has advantages such as ease of operation, high safety, non-invasiveness, and high efficiency, and thus has potential application prospects in the field of skin disease treatment and transdermal drug delivery.