15results about How to "Structural innovation" patented technology

This invention discloses a double-helix composite blade long-diameter-maintaining coring drill bit and its manufacturing method, belonging to the field of geological drilling coring equipment. The drill bit includes a drill bit steel body, double-helix composite blades, and a coring inner cylinder. The double-helix composite blades are arranged in a double-helix staggered distribution, including polycrystalline diamond cutting blades and surface-impregnated diamond grinding blades. The polycrystalline diamond cutting blades have a three-dimensional helical forward-inclined structure, embedded with frustum-shaped polycrystalline diamond sheets and triangular polycrystalline diamonds. The surface-impregnated diamond grinding blades have an axial helical structure, equipped with low-temperature surface-impregnated matrix blocks and surface-impregnated large diamond particles. The outer wall surface of the blades is equipped with a helical long-diameter-maintaining structure. The manufacturing method integrates three processes: pressureless impregnation, hot-pressing sintering, and brazing, to prepare the blade matrix base and the surface-impregnated matrix blocks respectively, and then weld them into shape. This invention, through optimized structural design and multi-process synergy, significantly improves the coring efficiency, wear resistance, and structural stability of the drill bit in complex formations, achieving long-term diameter maintenance and high-efficiency drilling.

This invention discloses a plant protection drone for precision seeding, belonging to the field of agricultural drone technology. It includes a central body and four arc-shaped arms that can move relative to the central body. Each arm is equipped with a power unit and rotors. Driven by a deformation drive mechanism, the arms can switch between a cruising state (forming a circular shape) and an operational state (arching inward to form a three-dimensional structure). In the cruising state, the rotor planes are coplanar, resulting in high aerodynamic efficiency; in the operational state, the rotor planes are raised and moved away from the seeding device, effectively isolating the downwash airflow from interfering with the seeded material, significantly improving seeding accuracy and uniformity. This invention solves the technical problem of seeding drift caused by rotor wind fields in existing plant protection drones.

The invention belongs to the technical field of low-pressure casting, and particularly relates to a low-pressure casting device and method for a large-size aluminum alloy shell metal outer mold composite sand core, the height of a large-size aluminum alloy shell casting is not lower than 600 mm, the inner diameter is not lower than 700 mm, and the average wall thickness is 14-20 mm; the low-pressure casting device comprises a mold system, a sand core system, a pouring system, a chilling block system and a dead head, the pouring system adopts a bottom pouring and stepped pouring mode, the structure of the pouring system is designed according to the height, the transverse characteristic size and the average wall thickness of a casting, the pouring system is deeply optimized, and the casting quality is improved. By adopting the design mode of multiple sprues and circumferentially and uniformly distributed transverse sprues, it is ensured that a feeding channel is solidified later than a casting, the pressure maintaining pressure is continuous and effective, the casting defects of cold shut, air holes, shrinkage cavities, shrinkage porosity and the like are avoided, the mechanical property and air tightness of the large-size casting are remarkably improved, and the cost rate is increased.

The invention discloses a preparation method and application of a nano porous foamed aluminum material, and belongs to the technical field of porous metal materials. The method comprises the following steps: mixing main aluminum powder with SiO2 coated aluminum powder waste; the three-layer core-shell pore-forming agent is of a PMMA inner core / Sn-Bi alloy middle layer / Al2O3 outer layer structure, and the PMMA particle size of the three-layer core-shell pore-forming agent is in gradient distribution (the surface layer is 50-100 nm, the middle layer is 200-300 nm, and the core layer is 400-500 nm); after cold press molding, two-stage stepped sintering is carried out, in the first stage, Sn-Bi alloy is melted at low temperature in N2-H2 atmosphere to wrap aluminum powder, and in the second stage, PMMA is decomposed at high temperature under vacuum, carbon-containing gas and pressure to form pores, and an Al4C3 reinforced phase is generated in situ. High-performance fireproof, catalytic and electromagnetic shielding functional materials can be further prepared through surface compounding of Al4C3 / expanded graphite, in-situ growth of ZnO nanorods / Pt or compounding of carbon nanotubes, and the material can be widely applied to the fields of new energy batteries, environment-friendly catalysis and 5G communication.

This invention discloses a rocket-shaped rotating amusement ride, belonging to the field of amusement equipment technology. The ride includes a column, a lifting and rotating assembly that can move up and down along the column, and multiple rocket cabin assemblies suspended from it. The lifting mechanism includes a fixed pulley at the top of the column and a drive pulley system on the ground. A steel cable passes around the fixed pulley, connecting the lifting and rotating assembly and the drive pulley system, and is balanced by a counterweight. The drive pulley system uses a hydraulic cylinder to change the distance between its internal upper and lower pulley systems to raise and lower the steel cable, achieving efficient and stable lifting. The lifting and rotating assembly can rotate horizontally, and the rocket cabin assemblies can rotate around their own axes. This invention has a novel structure, greatly enhancing the richness and excitement of the amusement experience through multiple composite movements such as lifting, revolution, and rotation.

The utility model discloses a mobile phone 4G remote control spherical integrated three-way valve, which belongs to the technical field of valves, and comprises a spherical integrated three-way valve body, a remote control box bottom shell is arranged on the top surface of the spherical integrated three-way valve body, and a solar panel is arranged on the top surface of a remote control box upper cover; according to the utility model, the valve body shell and the water outlet pipeline are integrally formed through injection molding processing, the valve has the advantages of no splicing assembly and no leakage at the splicing part after long-term use, the valve adopts the built-in circular valve plate as a medium cut-off switch unit, the friction surface between the valve and the soft sealant is reduced, the acting torque during opening and closing is effectively reduced, and the service life of the valve is prolonged. The execution gear motor can easily and accurately control opening, closing and flow adjustment of the valve. The caliber of the valve can be commonly used for pipelines such as 75, 90, 110 and 130 which are commonly used in the market. The valve has the advantages of being innovative in structure, accurate in adjustment, not prone to water leakage and corrosion, wide in universal range, long in service life, stable, reliable and low in cost.

The invention relates to the technical field of cosmetics and preparations thereof, and discloses a heat-resistant liquid crystal emulsion system based on acetylated sodium hyaluronate as well as a preparation method and application thereof, the heat-resistant liquid crystal emulsion system comprises the following components in parts by weight: 1-6 parts of a liquid crystal emulsifier, 0.01-0.2 part of acetylated sodium hyaluronate, 5-60 parts of grease, 0.1-1 part of a thickening agent, 0.1-1 part of a preservative and the balance of water, totaling 100 parts. The preparation method comprises the following steps: respectively preheating the oil phase and the water phase according to the ratio, emulsifying under high-speed homogenization, and stirring and cooling at a controlled temperature. The core of the invention is that acetylated sodium hyaluronate is introduced into a liquid crystal system as a structural stabilizer, and the thermal stability of a liquid crystal structure is remarkably improved through the anchoring effect of the acetylated sodium hyaluronate and a liquid crystal layer; after the emulsion is stored at 40 DEG C for a long time, the liquid crystal texture is kept complete, and the emulsion has excellent long-acting moisturizing performance and can be used as an ideal carrier of high-end cosmetics and external medicine preparations.

The application discloses an integrated double-break and double-end voltage sensing integrated pole-mounted switch shell, and belongs to the technical field of pole-mounted circuit breakers. The shell is provided with a vacuum break chamber and an isolation chamber which are parallel along the vertical direction. A vacuum arc-extinguishing chamber is arranged in the vacuum break chamber, and an isolating switch assembly is arranged in the isolation chamber. An isolation observation window is arranged on the shell at a position corresponding to the isolation chamber. The isolation observation window comprises an upper observation window and a lower observation window which are nested with each other and can slide relative to each other. The opening and closing states of the isolating switch can be judged by observing whether the color-marked isolation worm can be seen through the observation window. Voltage sensors are arranged on the incoming line side and the outgoing line side of the shell, each of which is composed of a high-voltage capacitor and a voltage equalizing net, so that independent collection of double-end voltage signals of the incoming line and the outgoing line is realized. The vacuum break and the sliding isolation break are integrated in one body, the state of the isolation break can be directly and visually judged through the adjustable observation window, and the application has the advantages of compact structure, direct and visual state judgment and the like.

This application provides a high specific surface area and highly active metal hydroxide, its preparation method, and its application, belonging to the field of new energy material preparation technology. The method includes: dissolving a binary or ternary metal source in deionized water at room temperature and magnetically stirring to form a clear metal salt solution; sequentially adding ammonium fluoride, hexamethylenetetramine, and a surfactant selectively added for the binary or ternary metal source, mixing thoroughly to obtain a precursor solution; heating the precursor solution using a two-stage heating mode of low-temperature induced nucleation and medium-temperature directional growth; after the reaction system naturally cools to room temperature, collecting the precipitate, washing and drying it to obtain the target metal hydroxide; and obtaining target metal hydroxides with different structures by controlling the molar ratio of metal ions within the binary or ternary metal source. This method offers a simple and controllable preparation process, is adaptable to binary-ternary systems, and is green and economical.

The invention discloses a bag-type dust collector for assisting fine powder sedimentation and collection through series connection of exhaust air and a bin body, and belongs to the technical field of environmental protection equipment. The device comprises a bin body, a cloth bag, an induced draft fan and an exhaust pipe. An exhaust pipe of the induced draft fan is divided into a plurality of flow dividing manifolds transversely penetrating through the interior of the bin body, and each flow dividing manifold is provided with a flapping device driven by air pressure in the pipe. A flow switching mechanism is arranged at the outlet end of each flow dividing manifold, and the flow switching mechanisms periodically and alternately block and communicate the different flow dividing manifolds. When a certain flow dividing manifold is suddenly blocked, static pressure which rises instantaneously in the pipe drives the flapping device to act, and the adjacent cloth bags are mechanically flapped. According to the invention, heat energy and pressure energy of exhaust gas of the system are utilized, pre-drying and self-driving of the cloth bag are realized, mechanical auxiliary ash removal without additional energy consumption is realized, the ash removal efficiency is high, and the energy-saving effect is remarkable.

The invention discloses multi-scale synergistically enhanced phenyl silicone rubber and a preparation method thereof, and belongs to the technical field of phenyl silicone rubber, the multi-scale synergistically enhanced phenyl silicone rubber comprises the following components by weight: 70-90 parts of a gradient phenyl silicone rubber matrix, which is compounded by single phenyl silicone rubber and diphenyl silicone rubber according to a mass ratio of (1.5-2.5): 1; the core-shell structure dynamic crosslinking particles take SiO2 as a core and phenylsiloxane as a shell, and are modified by a KH550 silane coupling agent, and the mass ratio of the core to the shell is 1: (0.8-1.2); 5-8 parts of a graphene / fluorinated silicone rubber interpenetrating network, wherein the graphene / fluorinated silicone rubber interpenetrating network comprises 0.5-1.0 part of isocyanate functionalized graphene; 12 to 18 parts of fumed silica; 3-5 parts of a dynamic crosslinking auxiliary agent which is phenyl silicone oil containing ureido; 1.0 to 1.5 parts of vulcanizing agent; the diameter of the short carbon fiber is 5-10 [mu] m, and the length of the short carbon fiber is 50-100 [mu] m.

The present application relates to the field of graphene reinforced titanium alloy composite material, in particular to a preparation method of in-situ deposition three-dimensional network graphene reinforced titanium alloy composite material, which comprises the following steps: firstly, three-dimensional network graphene is in-situ deposited on the surface of porous titanium through chemical vapor deposition process; then, titanium alloy melt is filled into the porous preform by using high vacuum melt infiltration process, after a period of heat preservation treatment, finally, three-dimensional network graphene reinforced titanium alloy composite material is obtained by quenching. The three-dimensional network graphene reinforced titanium alloy composite material prepared by the present application has good interface combination and dense structure, by introducing graphene in the composite material, not only the load transmission effect is achieved, but also the part of TiC particles formed at the interface can make the crack deflect and hinder the crack propagation.

The application discloses a communication encryption method based on an adversarial neural cipher model, aiming at solving the problem of insufficient randomness of ciphertext and limited security of the ANC model caused by structural homogenization. In the three-party game framework of the sender, the receiver and the attacker, a pre-trained randomness detector is introduced. In the ANC model training, the initial basic encryption and decryption and attack resistance training are carried out; in the later training period, the randomness of the ciphertext generated by the sender is periodically evaluated by using the detector, and the evaluation result is used as part of the loss function to guide the sender to generate ciphertext with strong confidentiality and high randomness. Finally, the trained sender and receiver neural networks are used as encryption and decryption modules and applied to actual communication. Through structural innovation and diversified training targets, the application effectively enhances the randomness of the generated cipher algorithm and improves the communication security.

The invention discloses a door and window structure capable of being temporarily reinforced and an assembly of the door and window structure. The door and window structure comprises a metal frame and glass, and is characterized in that mechanical connection interfaces are preset in at least two positions of the indoor side of the metal frame and are used for detachably installing a temporary reinforcing cross beam from the indoor side. Preferably, the interfaces are symmetrically arranged on the left and right metal vertical stiles, and are provided with decorative caps to keep daily beauty. The matched reinforcing assembly comprises a cross beam, a connecting piece and a selectable buffering cushion. According to the invention, the standardized interface is preset on the door and window body, so that the temporary reinforcement operation becomes simple, convenient and rapid, the decoration is not damaged, the overall wind pressure resistance of the door and window can be effectively improved, and both daily beauty and emergency safety are considered.

The invention discloses flame-retardant gel based on hydroxyethyl cellulose and sodium alginate as well as a preparation method and application of the flame-retardant gel, and belongs to the technical field of fire prevention and extinguishing materials for coal mines. The preparation method of the flame-retardant gel comprises the following steps: adding hydroxyethyl cellulose, acrylic acid, acrylamide and an initiator into an alkaline solution at 0-5 DEG C, and carrying out a polymerization reaction to obtain hydroxyethyl cellulose network gel; adding a solution containing Al < 3 + > into the sodium alginate solution, and cross-linking to obtain sodium alginate network gel; the preparation method comprises the following steps: mixing hydroxyethyl cellulose network gel, sodium alginate network gel and sodium bentonite, carrying out heat preservation at 48-52 DEG C to form the mixture, and soaking the formed mixture in a solution containing Al < 3 + > to obtain the flame-retardant gel based on hydroxyethyl cellulose and sodium alginate. By constructing a hydroxyethyl cellulose-sodium alginate double-network structure and combining the synergistic effect of the sodium bentonite, the synergistic improvement of the plugging performance, the water retention performance and the flame retardant performance of the composite gel is realized.