375results about How to "Strong design" patented technology

The invention relates to a combined type rubber shock absorber and belongs to the technical field of rubber vibration isolators. The combined type rubber shock absorber is mainly used for vibration and buffering processing of electronic equipment or instruments. The combined type rubber shock absorber comprises a rubber anti-vibration pad, a rubber anti-vibration column, a metal limiting lining and a metal limiting gasket. According to the combined type rubber shock absorber, vibration and impact energy is translated into heat energy and deformation energy of rubber materials through the deformation of rubber parts by means of a combined shock absorber structure, the rubber anti-vibration pad is capable of reducing dynamic energy of an instrument with vibration to be isolated in the axial direction, the rubber anti-vibration column is capable of reducing dynamic energy of the instrument with the vibration to be isolated in the radial direction, the metal limiting lining and the metal limiting gasket are used in a matching mode, dynamic displacement of the shock absorber is limited due to the fact that the shock absorber is installed on a base plate of the instrument through bolts, and then an installation function and a limiting function are achieved.

A percolator, wherein a container, containing a measure of ground coffee, is inserted inside a fixed cup, which has a vertical first axis, is positioned with its concavity facing upwards, and has a lid which rotates, about a second axis crosswise to the first axis, to and from a closed position closing the cup; the lid having a pressurized-hot-water sprinkler which, when the lid is in the closed position, is moved, by a piston carried by the lid, onto the cup to define, with the cup, a percolating chamber for housing the wafer and a bolt device to lock the lid in the closed position.

The invention discloses a method for preparing a porous polymer micro needle by using a template method and an application thereof. The method comprises the following steps of: (1) dissolving a polymer and a template agent in a solvent to prepare a polymer solution; (2) filling the polymer solution into a micro needle mould; (3) removing the solvent in the obtained micro needle mould to obtain a solid micro needle; (4) removing the template agent in the obtained solid micro needle to obtain the porous polymer micro needle. By improving the overall process flow design of the preparation method,the method can solve the technical problems of a complex preparation process, harsh conditions, a complicated process, high price, difficult control of the pore structure and size, difficult large-scale production and application and the like of the porous polymer micro needle, the obtained porous polymer micro needle can be used for tissue fluid extraction and transdermal administration, such asskin tissue fluid and blood extraction and transdermal administration of proteins, polypeptides and small molecular drugs in cosmetic, hair growth, immunity, treatment and other applications.

The invention provides a novel electromagnetic shielding composite material. The composite material comprises a metal layer, thermosetting resin and a carbon fiber woven fabric, wherein the metal layer is one or composite structure of two selected from a metal foam layer and a metal mesh layer; a viscosity range of the thermosetting resin is 0.1-0.5 Pa.s, the thermosetting resin is uniformly mixedwith a nano conductive filler to form a resin mixed solution, and the nano conductive filler accounts for 1-10% by weight of the resin mixed solution; and the outer surface of the metal layer is provided with the carbon fiber woven fabric through the resin mixed solution, and the metal layer and the carbon fiber woven fabric are fully wetted and infiltrated in the resin mixed solution. The novelelectromagnetic shielding composite material provided by the invention has the advantages of a light weight, high bonding strength, stronger corrosion resistance, a wide application range, good shielding stability and a wide shielding wave band range.

The monitored control (MC) system is composed of up device, low device and data acquisition system. The up device is a MC computer with monitored control software in use for monitored controlling system and data management. The low device includes n pieces of site controller composed of n pieces of programmable controller with logic control main program and synchronous adjustment sub program being written into. Being installed on y pieces of hydraulic power unit, the n pieces of site controller through real time network is connected to MC computer. The method includes remote control mode, and local control mode. No mater how large the system is, direct selecting mode for jacks is adopted in the system. Features are: simple system circuit, intuitive operations, and accurate measurement. Configuration software is in use for monitoring system and querying historical data. The invention is in use for lifting control of large-scale component.

The invention discloses a method for producing micro-needle array templates based on a laser etching technology as well as products and application thereof. The method comprises the following steps: (1) curing and cooling PDMS and a curing agent to obtain a PDMS substrate; (2) designing a laser etching mask plate pattern and enabling the pattern to be a concentric circle array; and (3) placing the PDMS substrate in an engraving area of a laser engraving machine and setting condition parameters of laser processing technology, subsequently carrying out laser treatment on the PDMS substrate with reference to the laser etching mask plate pattern so as to obtain the PDMS substrate etched by laser, wherein the PDMS substrate is the micro-needle array template. According to the method, the key laser etching process conditions are improved, so that the problems that the micro-needle array templates are complex in production process, high in cost and poor in structural design, and large-scale production and application of the micro-needle array templates are difficult can be effectively solved.

A self-propelled working device is provided with a housing and a pivot bearing arranged on the housing. At least one operating element is arranged on the housing. At least one lid is pivotably supported on the housing and is provided with a bearing section interacting with the pivot bearing. The at least one lid has a closed position and covers in the closed position the operating element. The lid has a first part and a second part connected to the first part. The bearing section is formed on the first part of the lid. The second part of the lid covers the operating element. When a constructively predetermined pulling force is applied to the second part, the second part detaches from the first part.

The invention relates to a method for preparing polyolefin-based complex fiber through modified nano-particles. The method comprises the following steps of: implementing hydroxylation to nano-particles, enabling the nano-particles to react with a prepared reagent with a function of initiating living radical polymerization of a monomer, implementing photo-initiated living radical polymerization grafting to the monomer on the surfaces of the nano-particles to form nano-particles covered by multiple layers of organic casings, and mixing the nano-particles with polyolefin to obtain the polyolefin-based complex fiber. The method, in comparison with the prior art, is convenient and simple to operate, and simultaneously, the method can be used for effectively controlling grafting generations of the monomer; the method is high in grafting rate, and molecular chains grated to the surfaces of the nano-particles are narrow in molecular weight distribution, so that compatibility of the nano-particles with the polyolefin as well as dispersion of the nano-particles in the polyolefin are greatly improved; the polyolefin-based complex fiber which is enhanced in mechanical property can be prepared with a low additive amount.

The invention discloses a synthesizing method of a liquid halogen-free P-N collaboration flame retardant. A phosphorous long-chain intermediate is prepared through a condensation reaction between diamine (glycol and urea) and phosphorus source materials, then alcohol (amine and urea) are utilized to carry out end sealing, and accordingly a series of liquid halogen-free P-N collaboration flame retardants with good flame-retardant performance are synthesized. The flame retardant prepared by the method not only is low in price, low in using quantity and good in flame-retardant effect and has small influence on mechanical performance of a material, but also avoids being precipitated when being added into the material. The flame retardant can be widely applied to materials including plastics, foam materials, wood, paper and the like, has remarkable social benefits and industrial application value, and is suitable for large-scale popularization and application.

A solvent-free composition is prepared, which is a composition comprising a polyol component (A) and a polyisocyanate component (B), wherein the polyol component (A) is composed of a low-molecular-weight polyol (A1) with a molecular weight of 350 or less. The viscosity of the aforementioned low-molecular polyol (A1) may be 500 mPa·s or less at 25°C. The aforementioned low-molecular polyol (A1) may be, for example, C2-6 alkylene glycol or the like. In addition, the polyol component (A) may be composed of a low-molecular polyol (A1) and a polymer polyol (A2) as a diluent. The aforementioned polyisocyanate component (B) may be a modified product or a derivative of polyisocyanate (for example, a multimer of diisocyanate, etc.). The aforementioned solvent-free composition may further contain an epoxy group-containing compound (aliphatic diol glycidyl ether, aliphatic polyhydric alcohol glycidyl ether having a hydroxyl group, etc.) (C) that may have a hydroxyl group. Such a solvent-free composition has a small load on the environment, has excellent coating film properties, and has high application efficiency.

The invention relates to an electromagnetically actuatable spring pressure brake (100), comprising: a magnet housing (1) having a coil (2); an armature (3), which is arranged coaxial to the coil (2) and in such a way that the armature can be moved axially with respect to a shaft (7) to be braked; a friction element (5), which is spaced in a rotationally fixed manner with respect to the magnet housing (1) by means of at least one bolt-shaped connecting element (8) and which has a friction surface (5.1); a friction disk (4), which is arranged between the armature (3) and the friction element (5) and which is arranged in a rotationally fixed manner on the shaft (7) to be braked; and at least one compression spring (6), which applies pressure to the armature (3) and the spring force of which causes a braking torque on the shaft (7) to be braked in the currentless state of the coil (2) by the pressing of the friction disk (4) against the armature (3) and against the friction surface (5.1) of the friction element (5). According to the invention, for the adjustment of the distance (a) between the friction element (5) and the magnet housing (1), the at least one bolt-shaped connecting element (8) is designed having a compression zone (8.1) that can be compressed in an axial direction of the connecting element. According to alternative solutions, the compression zone can also be arranged in the region of a blind hole (9) accommodating the at least one connecting element (8) or in an accommodating opening (5.1) of a brake element (5) designed as a brake plate. The invention further relates to a method for producing the spring pressure brake (100) according to the invention.

The invention provides a quick bonding repair method of an ultraviolet-curing composite material. An ultraviolet-curing resin composition with quick self-propagating curing characteristic, which is used as a base material, is mixed with a fiber reinforcing material to obtain a composite material repair patch. The method comprises the following steps: 1) carrying out surface treatment on a damage region in need of bonding repair; 2) laying a composite material layer on the treated damaged region surface, wherein the thickness and direction of the composite material layer are determined according to the actual demands for repair; and 3) irradiating the composite material layer by an ultraviolet light source to form the composite material repair patch, thereby completing the bonding repair on the damage structure. The composite material repair patch has high designability, can be cured only by single irradiation in the preparation process, and has the advantages of high curing efficiency, favorable tensile strength, high repair efficiency and the like; the curing is not influenced by the number of the fiber layers and the light transmittance of the enhanced phase of the resin-base composite material; and thus, the method is especially suitable for emergency repair operation.

The invention discloses a method for designing an organic metal surface battery material. Material Studio modeling software is used for establishing a model of an organic metal solar battery surface material, Vasp software is used for calculating the electronic structure property and the optical property of the surface material, and drawing tool origin software is used and combined with output files DOSCAR, EIGENVAL and OUTCAR to make graphs including the density of electronic states, the energy band structure, the absorption spectrum and the like of the surface material, clear the internal photoelectric conversion mechanism of the surface material and analyze and determine the characteristics of the optical property of the surface material so as to design the high-efficiency organic metal solar battery surface material. Through the method that the internal photoelectric conversion mechanism and the optical property of the organic metal solar battery surface material are calculated to design the high-efficiency solar energy battery surface material, a theoretical method is provided for the production design of the battery, and development periods and cost are effectively shortened and reduced.

A brake apparatus includes a caliper with two housing members secured together by a C-section bridge. The housing members straddle a rotor, so as to be able to urge one or more pistons disposed therein to apply brake pads against the rotor, thereby effectuating a braking force on the rotor. The C-section bridge provides support for the members and reduces the clamshell effect generated by application of the breaking force.

The invention discloses a preset weak area 2.5D woven composite fragile cover, and belongs to the technical field of missile firing and protection. The preset weak area 2.5D woven composite fragile cover a throwing body and a framework wrapping the periphery of the throwing body. The combined position of the framework and the throwing body is divided into a weft separation area and a warp separation area. The invention further discloses a preparation method of the preset weak area 2.5D woven composite fragile cover. A 2.5D woven part reinforced epoxy resin composite serves as the material of the preset weak area 2.5D woven composite fragile cover; and according to the defect presetting manner in the weft separation area, the quantity of weft yarn keeps unchanged, and the density of warp yarn is reduced; and according to the defect presetting manner in the warp separation area, the quantity of warp yarn keeps unchanged, and the density of weft yarn is reduced. The fragile cover is light, the separation areas are novel in structure, a cover body is formed integrally and does not need to be cut, the strength of the fragile cover can be adjusted according to different pressure parameter requirements by adjusting the density of the yarn of the separation areas of the fragile cover, the fragile cover can bear pressure within a specific range and can be smoothly separated and thrown out under the action of missile gas flow, and the fragile cover is of a novel structure.

The invention discloses a method for preparing a hollow microneedle array in bulk. The method for preparing the hollow microneedle array particularly comprises the steps that by means of a microneedlearray negative template with holes, a polymer microneedle array positive template is prepared, and then a metal seed layer is plated on the polymer microneedle positive template; then, a metal structure layer is electroplated on the microneedle array positive template with the surface attached with the metal seed layer, and a microneedle array needle wall is formed; organic solvent is used for removing the polymer microneedle array positive template, a metal microneedle array is obtained, the top of the microneedle array is subjected to polishing or laser cutting, and the hollow metal microneedle array can be obtained. Accordingly, by improving the whole technological process of the preparation method, compared with the prior art, the problems that at present, the hollow microneedle arraypreparation technology is complex, the cost is high, and the structural controllability is poor can be effectively solved.