22results about How to "Reduced adhesion strength" patented technology

The invention discloses a TiO2 / GPE / MWCNTs super-hydrophobic durable anti-icing coating and a preparation method and application thereof, and belongs to the technical field of anti-icing surface engineering.The TiO2 / GPE / MWCNTs super-hydrophobic durable anti-icing coating is prepared from graphene, multi-walled carbon nanotubes, hydrophobic titanium dioxide and a binder; wherein the mass ratio of the graphene to the multi-walled carbon nanotubes is 1: 2, and then uniformly mixing the raw materials to obtain a target solution; and spraying the target solution onto a substrate by adopting one-step spraying, and drying to obtain the super-hydrophobic durable anti-icing coating. The super-hydrophobic durable anti-icing coating obtained through the preparation method can be based on photo-thermal and electric heating, is used for meeting the all-weather anti-icing and deicing adaptability of the wind driven generator fan blade, and has low adhesion strength of ice to the coating; and one-step spraying is adopted, so that the technological process is remarkably simplified, and the cost and the energy consumption are reduced.

The invention discloses a plaster coating device and method with a cooling function, and relates to the technical field of coating machines. A supporting plate is arranged at the center of the top of the base, a stabilizing frame is arranged at the top of the base, a pressing roller assembly is arranged on the right side of the top of the base, a fixing plate is arranged on the edge of the right side of the top of the base, and a collecting roller is arranged in the fixing plate. A spray gun is promoted to spray plaster raw materials to the top of plaster base cloth in a wave shape to avoid center accumulation, so that the raw materials are conveniently and uniformly dispersed at the top of the base cloth when the compression roller assembly rotates and extrudes the plaster raw materials, and the raw material allocation difficulty of the compression roller assembly is reduced; the overall use effect of the finished product is reduced due to non-uniform distribution of plaster raw materials on the surface of the base cloth.

A helicopter propeller ice preventing and removing device comprises a pump, a flow dividing bin, a pressure dividing valve and micro-channel rubber, the pump is arranged in a helicopter, the inlet end of the pump is connected with a liquid storage tank, the outlet end of the pump is connected with the flow dividing bin, the flow dividing bin is rotationally assembled on a rotating shaft of the helicopter, the pressure dividing valve is arranged in the propeller, and a liquid outlet hole of the flow dividing bin is connected with the pressure dividing valve; the front edge of the propeller is coated with micro-channel rubber, a plurality of liquid storage chambers are arranged in the micro-channel rubber, a plurality of liquid inlet holes are formed in the micro-channel rubber located on one sides of the liquid storage chambers and used for being attached to the outer surface of the propeller, and a plurality of micron-sized channels distributed in an array mode are formed in the micro-channel rubber located on the other sides of the liquid storage chambers. Each liquid storage chamber is communicated with a plurality of corresponding micron-sized flow channels, a liquid outlet of the partial pressure valve is communicated with the liquid inlet hole, deicing liquid is intermittently or continuously sprayed on the super-amphiphobic surface of the micro-flow channel rubber, a super-smooth interface is formed, the anti-icing and deicing effects are achieved, and meanwhile the self-cleaning function is provided.

The invention discloses an environment monitoring device based on artificial intelligence, and relates to the technical field of environment monitoring. The device comprises a device body, the top of the device body is provided with a driving assembly, the center of the top of the device body is provided with a Bluetooth assembly, the Bluetooth assembly is interconnected with a mobile phone through an intelligent APP, the device further comprises an anti-jamming device, the anti-jamming device is arranged above the device body, and the anti-jamming device comprises an electric telescopic column, a monitoring assembly and a sensing assembly. The bottom of the electric telescopic column is fixedly installed on the top edge of the device body, the bottom of the monitoring assembly is fixedly installed on the top of the telescopic end of the electric telescopic column, the monitoring assembly communicates with the Bluetooth assembly, and the back of the sensing assembly is fixedly installed on the front of the monitoring assembly. According to the invention, the monitoring assembly realizes monitoring height adjustment, which is different from inconvenience caused by manual adjustment of a transmission thread monitoring device by a worker, so that real-time monitoring is realized through automatic adjustment, and hands of the worker are prevented from being worn and injured.

The invention discloses a flat steel wire forming die, and relates to the technical field of flat steel wire machining. The device comprises a device body, a motor is arranged in the device body, a base is arranged at the bottom of the device body, a heat preservation frame is arranged at the top of the base, an L-shaped plate is arranged on the inner wall of the heat preservation frame, and a collecting roller is arranged on the front face of the L-shaped plate; an anti-crack device is arranged on the front face of the device body, an anti-abrasion device is arranged on the right side of the anti-crack device, and an anti-bending device is arranged in the anti-abrasion device. Free adjustment of the forming width size of the raw materials is achieved, tedious steps caused by part replacement are omitted, and therefore the equipment practicability and the forming efficiency of the flat steel wires are improved, meanwhile, the extrusion die is preheated through heating equipment, stress concentration caused by direct cold start extrusion of the raw materials is prevented, and the product quality is improved. The use strength reduction caused by cold cracks on the surface of the formed flat steel wire is prevented.

A pneumatic deicing device for an aircraft propeller comprises a waste gas filter, a pressurization gas storage / exhaust / detection / distribution assembly and an expansion deicing pipe, and the expansion deicing pipe symmetrically arranged on the upper / lower surface of the front edge comprises a first expansion air bag used for being attached to the surface of the front edge of the propeller. A first vent hole is formed in the plane part of the first expansion airbag, a plurality of second expansion airbags are arranged on the cambered surface part of the first expansion airbag, and a corresponding second vent hole is formed in the cambered surface part covered by each second expansion airbag; a first air pipe and a second air pipe are arranged in the aircraft propeller, one end of the first air pipe and one end of the second air pipe are connected with the air supply hole of the distribution assembly, the other end of the first air pipe is connected with the first vent hole, and the other end of the second air pipe is connected with the second vent hole. The double-layer design is adopted in the expansion deicing pipe, and aiming at different icing scenes, fixed-point deicing and comprehensive deicing can be carried out, and the mode that the first expansion air bag is expanded firstly to carry out primary deicing and the second expansion air bag is expanded later to carry out secondary deicing can be achieved.

The invention discloses isocyanate group modified fluorocarbon resin with antifouling performance, an antifouling coating thereof, a preparation method and application of the antifouling coating, and the isocyanate group modified fluorocarbon resin is prepared by the following steps: under the protection of inert gas, mixing mercaptan with an acrylic monomer and a photoinitiator, carrying out sulfydryl-vinyl click reaction at normal temperature, and then adding an initiator, so as to obtain the isocyanate group modified fluorocarbon resin. The preparation method comprises the following steps: adding an acrylic monomer into anhydrous fluorocarbon resin to obtain a modified acrylic monomer, dropwise adding diisocyanate into the anhydrous fluorocarbon resin, dropwise adding the modified acrylic monomer, and adding a solvent and a catalyst to react to obtain the isocyanate-based modified fluorocarbon resin polymer. The isocyanate group modified fluorocarbon resin disclosed by the invention has the characteristics of low surface energy, strong adhesion capability (bacteria, seaweed and the like) for inhibiting marine fouling organisms, small friction coefficient, good mechanical flexibility, low ice accumulation adhesion and high cycle stability, and is particularly suitable for ship surface protection.

The invention discloses a water-jet-guided laser cutting machine for a transformer box shell, and relates to the technical field of water-jet-guided laser cutting. The device comprises a device body, a collecting groove is formed in the bottom of the inner wall of the device body, a moving assembly is arranged at the bottom of the device body, a control module is arranged on the right side of the device body, and a workbench is arranged at the bottom of the inner wall of the device body. Friction force between an L-shaped clamping plate and raw materials is increased by means of continuous deformation of a soft rubber arc block in the moving process, the abutting strength of the L-shaped clamping plate to the raw materials is effectively improved, the raw materials are guided in the horizontal direction through a sliding plate, it is guaranteed that the raw materials are always parallel to a workbench in the cutting process, and the cutting efficiency is improved. And it is guaranteed that the raw materials have good stability in the cutting process, the phenomenon that the raw materials deviate due to poor stability in the cutting process is avoided, and the situation that the cutting ruler diameter of the raw materials does not conform to initial setting due to interference on the cutting path is prevented.

The invention relates to the field of coating compositions, and particularly discloses an anti-icing self-cleaning coating material for a tower drum of a wind driven generator as well as a preparation method and application of the anti-icing self-cleaning coating material. The anti-icing self-cleaning coating material comprises a bottom coating material and a surface coating material, the bottom coating material contains fluorosilane, amino silane, ethyl acetate, butanone, filler, fluorocarbon resin and an isocyanate curing agent, the filler comprises alpha-Fe2O3 modified mesoporous SiO2 particles and hydroxylated boron nitride, and the surface coating material comprises fluorine modified SiO2 particles and acetone. The anti-icing self-cleaning coating material can achieve a good protection effect on the tower drum of the wind driven generator, the water contact angle of the surface of the coating is larger than 155 degrees, the water rolling angle is smaller than 5 degrees, the ice adhesion strength is smaller than 30 kPa, the water contact angle is still larger than 150 degrees after 20 times of freezing and thawing cycles, at the moment, the tower drum can better adapt to the low-temperature and high-humidity environment, the coating stripping possibility is low, and the anti-icing self-cleaning coating material can be applied to the wind driven generator tower drum. And the corrosion speed of the steel is reduced, so that the normal use time limit is longer.

The present application relates to filter press technical field, specifically to a kind of variable attitude filter plate assembly for filter press, including fixed plate, multiple filter plates and connecting unit, multiple the filter plate is arranged in the side of the fixed plate, each the filter plate is respectively through the connecting unit with the fixed plate movable connection, to make each the filter plate can be converted between vertical attitude and inclined attitude relative to the fixed plate;When the driving unit drives each the filter plate mutually away and forms second state, each the filter plate switches to inclined attitude, the spacing between adjacent filter plate increases, and the filter surface of each the filter plate is inclined relative to vertical direction, solved the existing filter press unloading cake because of the strong adhesion between mud cake and filter plate and lead to unloading cake not completely, need manual cleaning problem.

The utility model provides a kind of anti-icing gate device, it is related to hydraulic engineering gate technical field, including: building, the upper position of building is equipped with a support frame, the middle position of support frame is equipped with a stable sleeve, the inner side position of stable sleeve is equipped with a group of driving mechanism, a vertical lifting rod is inserted between stable sleeve and driving mechanism, the upper position of gate body is provided with two symmetrical distribution stable grooves.In the side of gate, a sealing washer and a sealing plate are provided, the sealing washer and the sealing plate form a double-sealing structure to seal one side of the gate body, block the water from seeping into the beam grid of the gate, fundamentally reduce the risk of icing, at the same time, improve the overall waterproof performance of the gate, solve the problem that the beam grid on one side of the gate body is easy to freeze.

The present invention discloses a method for preparing an anti-icing agent based on silicon dioxide and its application, which comprises the following steps: mixing main materials, adding resin, and adding resin curing agent. The present invention provides a waterproof coating given with silicon dioxide, which can significantly reduce ice adhesion strength and prolong freezing time without consuming energy, and also has an anti-icing effect in a harsh low-temperature and high-humidity working environment.

The invention relates to the technical field of railway detection, and discloses a railway cable surface defect detection robot which comprises a lantern ring; a crushing member; a drive ring; a moving member; and a plurality of groups of detection modules are mounted on the moving part in an annular array. By arranging a plurality of groups of crushing parts which are driven by a driving ring and move along a concentric-square-shaped groove, the oppositely arranged crushing hammers alternately perform opposite impact and back recovery on the cable. According to the alternating reciprocating motion mode, efficient crushing and stripping of the surrounding ice layer are achieved, the generated radial force is balanced on the whole, the dynamic clamping effect similar to alternating crawling is formed, cable swinging is actively restrained and counteracted in the deicing operation, the problem of cable shaking caused by deicing external force is fundamentally solved, and the deicing efficiency is improved. And the operation safety and the stability of the detection image are ensured.

This application relates to the field of materials testing technology, and in particular to a combustion chamber, comprising a chamber body, a sample holder slidably connected to the inner wall of the chamber for sample clamping, and a collection tray slidably connected to the inner wall of the chamber and located below the sample holder. The side wall of the chamber body has a material extraction port for the collection tray to slide in and out. The collection tray includes a base plate and side rails fixedly connected to the periphery of the base plate. The base plate has a heating chamber, and a heating element is installed within the heating chamber. When it is necessary to clean the dripping residue in the collection tray, the collection tray is slid out, and the heating element in the heating chamber heats the collection tray, thereby softening the dripping material and reducing its adhesion strength, thus facilitating the cleaning of the dripping residue.

The invention discloses an agitating lorry with a concrete slump detection device, and relates to the technical field of concrete detection, the agitating lorry comprises a cylinder, the whole body is of a split structure, the cylinder comprises a plurality of same sub-cylinder parts which are distributed in a surrounding manner, and every two adjacent sub-cylinder parts are in sealed connection through a connecting part; an elastic interlayer covers the inner wall of each sub-cylinder part, a closed cavity is formed between the elastic interlayer and the inner wall of the corresponding sub-cylinder part, gas is injected into or discharged from the closed cavity, and the elastic interlayer can expand and protrude out of the plane of the inner wall of the sub-cylinder part or contract and cling to the inner wall of the sub-cylinder part; the bottom end of each sub-cylinder part can swing outwards relative to the top of the sub-cylinder part so that the cylinder body can be diverged and expanded from the bottom, and locking assemblies in one-to-one correspondence with the sub-cylinder parts are arranged on the periphery of the bottom of the cylinder body and used for limiting the swing action of the sub-cylinder parts. The concrete slump test device has the effect of improving the accuracy of the concrete slump test result.

The application discloses a protective layer for an installation-free magnetic lamp in an oil field and a preparation method thereof, and belongs to the technical field of coating. The protective layer is attached to the magnetic attraction plate surface of the installation-free magnetic lamp. A plurality of magnets are uniformly distributed on the magnetic attraction plate surface of the installation-free magnetic lamp. The magnets are neodymium-iron-boron magnets. The static suction force of a single magnet is greater than 20 kg. The protective layer comprises a bottom layer and a release layer. The bottom layer comprises isocyanate group modified fluorocarbon resin, NHS activated ester modified mica flake modified nano magnetic powder compound, ethylene-vinyl alcohol copolymer, n-butyl acetate, dibutyl phthalate, polycarboxylate dispersant and 3-isocyanate group propyl trimethoxysilane. The release layer comprises isocyanate group modified fluorocarbon resin, acrylate polyol, poly N-isopropyl acrylamide modified pressure sensitive viscosity microspheres and silane coupling agent. The application solves the problems of oil stains and rust.

The present invention discloses a bionic coupling anti-icing flexible coating with a dolphin skin structure, which is fixed on the surface of the component to be anti-iced, and includes: a flexible substrate, the upper surface of the flexible substrate is distributed with a texture morphology, the texture morphology is filled with air or a phase-change energy-releasing material, and the phase-change energy-releasing material has both volume change characteristics before and after the phase change and phase-change energy-releasing characteristics; a photothermal conversion material layer, the photothermal conversion material layer is made of a material with a photothermal conversion function and is a flexible material layer, which covers the top of the flexible substrate. The present invention imitates the multi-layer structure of dolphin skin, uses the bionic coupling concept, and comprehensively uses the morphology, flexibility, light absorption and energy storage characteristics of the material to actively interfere with the adhesion stability of ice on the material surface, so that the ice adhesion interface produces uneven concentrated stress, and finally achieves the effect of significantly reducing the ice adhesion strength on the material surface, reducing the difficulty of ice cleaning, and recyclable utilization.

This invention provides a prosthesis removal device for knee replacement revision surgery based on a high-frequency electrosurgical unit, belonging to the field of medical device technology. It includes a high-frequency electrosurgical pen tip, with a high-frequency electrosurgical pen body fixedly connected to the top of the tip. A connecting plate is located at the top of the pen body, and a first negative pressure tube is mounted on the connecting plate, passing through it. A fixing cap is threadedly connected to the top of the pen body, movably sleeved with the first negative pressure tube, and positioned at the top of the pen body and fitting against the connecting plate. The bottom end of the first negative pressure tube extends to the outside of the bottom end of the pen body, and a suction component is located at the lower end of the tube. This invention uses the high-frequency electrosurgical pen tip to heat and melt the bone cement in the prosthesis, reducing the difficulty of removing the main bone from the prosthesis and lowering the requirements for operator experience and skill. The suction component absorbs the melted bone cement.

The utility model discloses a drainage tube blockage dredging device, which relates to the technical field of medical dredging devices, and is characterized in that semicircular grooves are formed in the side wall of a mounting shell, two brackets are symmetrically mounted in the mounting shell, the connecting line between the brackets is perpendicular to the connecting line between the semicircular grooves, a rotating shaft is jointly and rotatably mounted on the brackets, and the rotating shaft is provided with a rotating shaft. The pressing roller is fixedly installed on the rotating shaft, the semicircular heating cylinder is installed on the outer side wall of the installation shell, the semicircular heating cylinder and the semicircular groove are coaxial and are the same in radius, and pressing plates are installed on the outer side wall of the installation shell and the outer side wall of the semicircular heating cylinder. The pressing plates between the two sets of mounting shells and the semicircular heating cylinders are rotationally connected through torsion springs, protective shells are mounted on the outer side walls of the semicircular heating cylinders, and the wires are connected with the semicircular heating cylinders and extend out of the protective shells. The problem that an existing drainage tube is prone to being blocked by pus and blood coagulation in the practical process is solved.

A depressurized multilayered glass panel includes: a pair of opposing glass plates 1A, 1B; a plurality of space holding members arranged in a gap formed between the pair of glass plates 1A, 1B; a peripheral edge sealing material 11 configured to seal a gap of a peripheral edge 3 of the pair of glass plates 1A, 1B; and a suction hole sealing material 15 configured to seal a suction hole 4 penetrating through the front and the back in one of the pair of glass plates 1A, 1B in a state where the gap is depressurized via the suction hole 4, in which the center of the suction hole 4 is provided at a position away from an edge 3A of the pair of glass plates 1A, 1B by 10 mm or more and 100 mm or less and the upper limit of the weight of the suction hole sealing material 15 is calculated according to a mathematical equation.

This sealing film (1) seals a gap between an electrode lead wire (11) and a housing vessel (20). The electrode lead wire (11) is electrically connected to a battery body (30). The housing vessel (20) houses the battery body (30). The sealing film (1) includes one or a plurality of thermoplastic resin layers (2, 3, and 4). At least one of the thermoplastic resin layers (2, 3, and 4) includes a hydrogen-bonding resin having a structure allowing hydrogen bonding between molecules thereof.

The present application belongs to the technical field of medical biomaterials, and particularly relates to a kind of biomimetic directional gel dressings and its preparation method and application.The dressing includes a hydrophilic directional gel matrix, which has directional microchannels arranged in parallel along the axial direction inside;And the super-hydrophobic functional layer coated on the side wall and top of the matrix.The bottom surface hydrophilic directional channel actively pumps the wound blood by virtue of strong capillary force, uses the spatial confinement effect to extract water and activates platelets, constructs in-situ composite embolism, and provides contact guidance topography to promote tissue repair and regeneration;The super-hydrophobic side wall is used to contact the wound to remove water and trap cells, and the super-hydrophobic top is used as a fluid sealing boundary to force blood to be confined in the channel, and all are used to resist postoperative tissue adhesion.The present application realizes the integration and cooperation of rapid hemostasis, anti-adhesion and repair promotion in the non-compression trunk massive hemorrhage scene, and solves the technical problems that the existing dressing cannot consider thrombus stability, anti-adhesion and tissue ordered repair.