50results about How to "Improve the strength of resistance" patented technology

The invention belongs to the field of casting materials, and in particular relates to an oxygen-releasing quick curing patching material as well as a preparation method and application of the material in the field of quickly repairing pavements. The oxygen-releasing quick curing patching material provided by the invention consists of 60-95 parts of compact aggregate, 4-30 parts of thermoplastic resin bonder and1-10 parts of a thermal initiation latent curing agent which can induce the thermoplastic resin bonder to be quickly cured in a heated state, and 0.5-1 part of solid oxidant which is heated to release oxygen. The patching material in the heated state can release a small amount of oxygen and support combustion of heat release of combusting substances so as to provide heat required by curing the patching material, and therefore, the purposes of quick curing and repairing are realized.

The invention relates to the material for producing loudspeaker cone. A sheet material for producing loudspeaker cone is formed by the following components in weight percentage: 40%-50% of Polypropylene, 25%-40% of mica powder, 5%-12% of polyethylene thermoplastic elastomer, 3%-10% of low-density polyethylene plastic, 3%-10% of nanometer calcium carbonate, 0.1%-0.7% of calcium stearate, 1%-3% of black master batch, 0.2 %-0.7% of ultraviolet absorbent, 0.1%-0.7% of coupling agent, 0.2%-0.7% of light stabilizer. The sheet material has advantages of long life, high tear strength and high intensity of impact resistance, high pass rate of product forming, good rigidity and waterproof.

The invention discloses a high-strength fiberglass methane tank. The high-strength fiberglass methane tank is characterized in that the fiberglass methane tank is made from unsaturated polyester-fiber reinforced bulk molding compounds which are prepared from, by weight, 25-45 parts of unsaturated polyester, 15-30 parts of reinforced fibers, 10-15 parts of aldehyde-modified crosslink polyesyrene, 0.3-0.5 part of N,N-dimethylaniline, 0.2-0.4 part of an initiating agent, 35-45 parts of magnesium oxide, 0.1-0.3 part of nanosilicon dioxide, 0.5-2 parts of a coupling agent, 0.02-0.1 part of calcium hydroxide, 1-3 parts of polyoxyethylene castor bean oil, 0.5-2 parts of stearic acid zinc salt, 3-7 parts of styrene, 0.1-0.3 part of p-benzoquinone and 0.2-0.5 part of 2,6-butylated hydroxytoluene. The fiberglass methane tank is good in toughness and strength, the height of anti-shock strength is greater than or equal to 160J / m<2>, and the tank is anti-corrosion and heat-resistant, good in oxidation resistance and capable of meeting requirement of the high-strength giberglass methane tank.

A pot cover is composed of glass cover body, metallic edge riveted to the said glass cover body, and handle. The glass cover body exhibits a ring shape and has metallic sheet at the opening of internal ring. The said metallic sheet has air-exhausting hole and can be also used to fix handle via fastener. Its advantages are high strength, and high volume displacement, and safety and reliability.

The invention relates to a screen for displaying an image projected from a beam projector. The screen base is formed from a silver-white non-combustible metal sheet to display images projected from the light source in natural colors. A polished surface is formed on the screen substrate by polishing the screen substrate so that the surface of the screen substrate has a predetermined reflectance. The surface of the screen base is surface-hardened by pickling treatment or anodizing treatment. The surface reflection type screen formed of non-combustible metal according to the present invention has excellent surface hardness, corrosion resistance and acid resistance, thereby making the screen easy to repair and maintain. In addition, in the event of a fire, the screen does not generate toxic gas, and it is also capable of displaying high-quality images on the screen.

The invention relates to an efficient, energy-saving and level-A1 fireproof composite thermal insulation material. The thermal insulation material is formed by mixing and stirring sepiolite, fibrous brucite, cement 425, an adhesive, a foaming agent, hydrophobic expanded perlite and polystyrene granules in different weights. The appearance of the thermal insulation material is of dry powder fibers in bulk. After the thermal insulation material is mixed and stirred with water, the thermal insulation material can be directly sprayed on the outer wall, inner wall and roof of a building or between stairs according to certain thickness. The thermal insulation material has the characteristics of thermal insulation, energy conservation, flame resistance, environmental friendliness and water prevention, and is simple and rapid to construct. Thus, the thermal insulation material provided by the invention is suitable for the thermal insulation of various house buildings, so as to achieve the efficient and energy-saving effect.

The invention discloses an assembly type protective shelter. The assembly type protective shelter comprises a protective shelter body embedded in the soil bottom, wherein the protective shelter body comprises a shelter body structure, end structures and an access channel structure, the access channel structure is arranged on one side of the shelter body structure, the end structures are distributed on the two sides of the shelter body structure, the shelter body structure is composed of a plurality of single arches and standard connectors, each single arch comprises a plurality of unit plates and arch feet, the arch feet are installed below the unit plates, each unit plate comprises a connecting plate, each connecting plate is provided with a three-dimensional corrugated steel plate, lifting lugs are hung on the unit plates, and the lifting lugs are used for lifting equipment, assisting in lifting, disassembling and installing products. According to the assembly type protective shelter, the shelter body structure is buried into the soil bottom deeply, and the resistance is high; in addition, the single arches are directly spliced to form the floor arch, and the overall stability is good; and in addition, the space of the protective shelter is large, and the use comfort is improved.

The invention discloses an aging-resistance and reinforced heat insulating film, which comprises a surface layer and a connecting bottom layer, wherein a reinforcing layer is arranged between the surface layer and the connecting bottom layer, the surface layer, the reinforcing layer and the connecting bottom layer are connected by adhering layers, an anti-oxidizing film is adopted as the surface layer, and an aluminum foil layer is adopted as the reinforcing layer. The aging-resistance and reinforced heat insulating film has the advantages that the structure is simple; the anti-oxidizing film is adopted as the surface layer, so the anti-aging effect is realized, and the service life is prolonged; and the reinforcing layer is adopted, so the shockproof strength is improved, and the heat insulating and water leakage preventing functions are realized.

The invention relates to a bi-leg front fork of a tricycle, which comprises a plurality of fork stand pipes, a plurality of fork shoulders, a plurality of fork legs and a plurality of fork hooks, wherein the upper planes of the fork shoulders are fixedly provided with the fork stand pipes; the lower planes of the fork shoulders are fixedly provided with two symmetrical fork legs; the lower end of each fork leg is fixedly provided with the fork hook; the back of each fork leg which is fixedly arranged at the lower plane of each fork arm is further fixedly provided with a pair of fork legs, so that the fork legs form into two pairs at the front and the back; the four fork legs are evenly distributed and fixedly arranged at the lower planes of the fork shoulders; and the fork stand pipes are fixedly arranged at the center of the upper planes of the fork arms. The bi-leg front fork is further fixedly provided with another front fork based on the original mono-leg front fork to form the bi-leg front fork, so that the intensity and the rigidity of the front fork can be greatly enhanced, and the resistance strength of the horizontal impact generated in the running can be improved; and simultaneously, as a pair of damping springs is additionally arranged on the bi-leg front fork, the damping performance of the tricycle can be improved, and the comfortable sensation of the driver can be correspondingly increased.

The invention discloses a grain bearing part structure of a lead frame for semiconductor capsulation. A grain bearing part mainly comprises a grain zone, at least one bonding wire zone and at least one connecting part, wherein a grain bonding pad is arranged on the surface of the grain zone; a bonding wire pad is arranged on the surface of the bonding wire zone; and the bonding wire zone is connected with the grain zone through the connecting part. The invention can ensure that the position of the bonding wire pad is designed to be higher than that of the grain bonding pad; the grain bonding pad and the bonding wire pad are not on the same surface; and in addition, the bonding wire zone is not considered as a lead foot of the lead frame.

The invention discloses a splash-proof water-intercepting flow-guide device of a high water receiving cooling tower in a power plant. The device comprises suspension cables, transverse lifting rods, water collection tanks, water collection flow guide plates and splash-proof gratings, wherein the lower ends of the transverse lifting rods are fixedly mounted on the water collection tanks, and the upper ends of the transverse lifting rods are suspended in the tower through the suspension cables; the water collection flow guide plates are obliquely arranged above the two adjacent water collection tanks, the lower end of each water collection flow guide plate is fixed on the side edge of the previous water collection tank, the upper end of the water collection flow guide plate is fixed at the top end of the next transverse lifting rod, and the water collection flow guide plates are vertically distributed corrugated plates; the splash-proof gratings are fixedly arranged on the upper end surfaces of the water collection flow guide plates; each water collection tank comprises a water tank body, a connecting flange, a tank opening reinforcement rib, an outwards protruded reinforcement rib, a bearing and lifting steel belt and a horizontal lifting rod; the water tank body comprises a water collection tank body and an arc-shaped drainage upper side plate. The device is high in bearing strength, good in splash-proof performance, high in water receiving efficiency, low in water collection noise and long in service life.

The invention belongs to the field of road construction, and in particular relates to a method for rushing to repair damaged road surfaces rapidly. The method for rushing to repair the damaged road surfaces rapidly comprises the following steps of: (1) placing an electric heating device to the pits of the damaged road surfaces; and (2) filling repairing materials into the pits of the damaged road surfaces, covering the electric heating device, meanwhile starting up the electric heating device, and heating for 50-70 minutes so as to enable the repairing materials to be heated up and cured, thereby repairing the damaged road surfaces. The repairing materials consist of 60-95 parts of dense aggregate, 4-30 parts of thermoplastic resin bonding agents as well as 1-10 parts of thermal initiation latent curing agents capable of inducing the thermoplastic resin bonding agents to be cured rapidly under the heating state. By utilizing the method, high-intensity road surface base materials can be formed within 50-70 minutes under the heating state, and the time for rushing to repair and curing is shortened greatly.

The invention discloses a multifunctional water collection tank of a high-order water-saving cooling tower. The multifunctional water collection tank comprises a water tank body, a connection flange, notch reinforcement ribs, an outwards protruded reinforcement rib, a bearing and lifting steel band and a transverse lifting rod, wherein the water tank body comprises a water collection tank body and an upper arc drainage side plate; the upper arc drainage side plate is arranged above one side wall of the water collection tank body; the bearing and lifting steel band covers the outer surface of the water collection tank body and is fixed by and covered with the notch reinforcement ribs; two ends of the transverse lifting rod are fixedly mounted at combination parts of the notch reinforcement ribs and the bearing and lifting steel band. The notch reinforcement ribs and the outwards protruded reinforcement rib are arranged on the outer side surface of the water tank body, so that demolding is facilitated, and the overall strength of the water tank body is improved; the bearing and lifting steel band and the notch reinforcement ribs are additionally arranged at the lifting position, so that the weight of the water collection tank is concentrated on the bearing and lifting steel band and the notch reinforcement ribs; the inner side surface of the upper arc drainage side plate is smooth, so that smoothing of air flow is guaranteed, and the problems in the prior art are ideally solved.

The invention provides a glass rib curtain wall system, which comprises a glass rib, as well as a vertical hanging connecting piece and a horizontal supporting piece, wherein the upper end of the glass rib is hung on an upper main body structure through an upper switchover piece, and the lower end of the glass rib is inserted into a caulking groove of a lower switchover piece fixed on a lower main body structure; a clearance is reserved between the lower end of the glass rib and the bottom of the caulking groove; the vertical hanging connecting piece extends in or parallel to the direction of a vertical joint of a glass panel, and the upper end of the vertical hanging connecting piece is fixed on the upper main body structure; and the horizontal supporting piece is embedded in the transverse joint of the glass panel used for forming a curtain wall, and is fixedly connected with the vertical hanging connecting piece or directly fixed on the side surface of the length direction of the glass rib. The glass rib curtain wall system can meet the requirements for a wide range glass rib curtain wall design, and the glass rib can be machined and assembled in a job shop, as long as bolts on the switchover pieces of fixed steels are hoisted and mounted on the main body structure on the spot.

The invention discloses a composite flame retarding reinforced plate which comprises a plate body. The plate body comprises a substrate. The upper surface and the lower surface of the substrate are respectively provided with a face plate and a back plate in a hot pressing composite mode. Faces, far away from the substrate, of the face plate and the back plate are fixedly connected with reinforcing plates. A flame retarding layer is wrapped on the outer wall of the plate body. The composite flame retarding reinforced plate is simple in structure, convenient to process, wide in application range, and suitable for market promotion. The faces, far away from the substrate, of the face plate and the back plate are fixedly connected with the reinforcing plates so that anti-impact strength is improved. The flame retarding layer is wrapped on the outer wall of the plate body so that flame retarding performance is improved.

The invention relates to an improved I-shaped aluminum connecting structure for an aluminum alloy building. The improved I-shaped aluminum connecting structure for the aluminum alloy building comprises two or more I-shaped aluminum components, triangular connecting plates, lap joint plates, a bottom cross beam and fixed connecting pieces. The angular lap joint plates are fixedly installed on the planes, close to the roots of connecting parts, of the triangular connecting plates. The upward connecting parts of the triangular connecting plates are inserted into an I-shaped aluminum groove from the notch connecting end of the first I-shaped aluminum component to be fixed. The transverse connecting parts of the triangular connecting plates are inserted into an I-shaped aluminum groove from thenotch connecting end of the second I-shaped aluminum component to be fixed, so that the triangular connecting plates are spliced into an angle shape and then laterally inserted into the bottom crossbeam. Long bolts are inserted into side plate screw holes of the first I-shaped aluminum component, plate wall screw holes of the bottom cross beam and connecting plate screw holes in the other ends of the lap joint plates to be fixed. Integral installation of the components in the X-axis direction, the Y-axis direction and the Z-axis direction is achieved, two-dimensional connection and three-dimensional connection of the I-shaped aluminum components are achieved, and extremely high stability is achieved.

The invention discloses a uniform anode oxidation process of a cavity, and belongs to the field of surface treatment processing. The uniform anode oxidation process is mainly applied to the aluminum alloy hard anode oxidation cavity with the inner cavity height being 450 mm or above. According to the process, by additionally arranging an inner cavity auxiliary cathode mainly, the electric conductivity of an inner cavity is enhanced, the film growing speed difference of anode films of the inner cavity and an outer cavity due to the problem of poor electric conduction is decreased and even eliminated, and finally the thickness of the anode films of the inner cavity and the outer cavity are uniform and consistent. Only the inner cavity auxiliary cathode needs to be additionally arranged, anyprocess parameter does not need to be changed, operation is easy and convenient, and implementation is easy.

The invention discloses a foam copper modified compound inhibitor and a preparation method thereof. After mixing treatment of montmorillonite, nano-silicon dioxide, nano-silver and nano-carbon fiber,the modified montmorillonite is obtained, the modified montmorillonite is immersed in a dopamine solution, a thin film is formed in the surface, foam copper is loaded, the hydrophilicity of materialsis improved, finally plant extracts are immersed, and the weather resistance of the materials is improved. Compared with the prior art, the foam copper modified compound inhibitor is high in resistance effect and high in hydrophilic property, the environmental protection is achieved, the influence of territory, altitude, temperature and water quality is not prone to appearing, and agglomeration isnot prone to appearing.

The invention provides a flame-retardant low-release material layer-stranded optical cable and a preparation method thereof. The flame-retardant low-release material layer-stranded optical cable comprises a reinforcing structural member located in the center of the cable, a plurality of optical fiber units surround the reinforcing structural member along the edge of the reinforcing structural member, and the plurality of optical fiber units are wrapped by a metal composite belt. Gaps between the plurality of optical fiber units and the metal composite belt are filled with a cable core filler and a cable opening rope; the metal composite belt is wrapped by a flame-retardant belt, a foaming cushion layer is extruded outside the flame-retardant belt, and a flame-retardant sheath is extruded outside the foaming cushion layer. Nitrogen is filled into the sheath layer and the foaming cushion layer, so that an isolation layer is formed, flame retardance is carried out through a suffocation method, a magnesium-aluminum flame-retardant film with flame-retardant PE as a base material is attached to the surface of the flame-retardant belt developed in a matched mode, a water vapor layer can be formed after combustion is carried out, and therefore the flame-retardant performance is improved, flame-retardant materials are replaced with flame-retardant gas and moisture to reduce emission of released substances after combustion, the lateral pressure resistance and bending resistance of the product are improved, and the applicability of the product is improved.

The invention discloses a locomotive cabin self-cleaning decorating plate which comprises a plate body. An enhanced panel is arranged at the back of the plate body, enhanced beams are arranged between the enhanced panel and the plate body and are evenly distributed along the width direction of the plate body, bonding layers are filled in gaps among the enhanced beams, the plate body and the enhanced panel, and a nano self-cleaning layer is coated on the front surface of the panel. The locomotive cabin self-cleaning decorating plate is simple in manufacturing process, the enhanced panel can function in moisture protection, overall anti-shock strength can be improved by the aid of the enhanced beams arranged between the enhanced panel and the plate body, the locomotive cabin self-cleaning decorating plate is suitable for long-time use, and the nano self-cleaning layer has an obvious anti-staining effect.

The invention discloses deadbeat wire-drawing production equipment and belongs to the technical field of steel wire production line. The equipment of the invention comprises a wire rod pay-off device,a decorticator, a dryer, a cold-drawing machine and a wire-drawing reeling machine, which are arranged along the wire-drawing direction. The wire-drawing reeling machine and the cold-drawing machineare provided with a protective cover, the opening direction of which is opposite to the wire-drawing direction. The protective cover is arranged over the wire-drawing reeling machine and the cold-drawing machine. One side of the protective cover is sleeved with a hinge installed on the wire-drawing reeling machine, and the other side of the protective cover is a free end. By the wire rod pay-off device, a wire rod can be naturally loosened after the wrapping tape is opened, and the wire rod can be limited to be loosened round and round. Thus, multi-turn winding and knotting are avoided, smoothpay-off is ensured, and the wire rod pay-off device is safe and reliable to use. The protective cover is sleeved through the hinge and is detachably arranged on the equipment. The whole protective cover can be detached and then suspended away by a travelling crane or a crane. Equipment damage will be avoided, and consumption of spare parts is lowered.

Disclosed is non-shatterable glass. A layer of silk screen is arranged in the middle of the glass and can be made of a wire mesh or other materials with high tension. By the adoption of an inner layer arranged in this way, the shock resistance of the glass can be improved greatly. The glass is especially suitable for being used during construction and installation, can not affect lighting and transparency, and also has the advantages of being capable of preventing theft and resisting impacting and smashing.

The invention relates to the field of automobile part machining and discloses a cold pressing technology of an automobile shock absorber support lug. The cold pressing technology comprises the following steps: carrying out cutting and grinding on a steel plate used for manufacturing the support lug, preventing a die from being damaged, reducing stress and preventing impact cracks from occurring; further carrying out tempering treatment on a cut component twice so as to improve the resistance strength of the steel material, reduce the yield strength of the steel material, reduce the yield ratio of the cut component and facilitate one-step forming; and soaking the cut component in an absorbing solution and dragging freely moving electric charges together, form a net shape, so as to reduce an anisotropic coefficient in the plate surface of the steel plate and reduce great resistance brought by anisotropic difference; and increasing a clearance during pressing forming and increasing the power of a press, so that pressing forming is finished at a time, and the working efficiency is increased. Through one series of detail treatment methods, the obtained support lug has the advantages that the thickness is accurate and uniform, repeating conformity is great, the surface is smooth, scar-free and scratch-free, the inner part is free of cracks, and the service life of the die is prolonged.

A novel high-iron graphene semi-conductive shielding cable comprises a conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer are arranged outside the conductorin a three-layer co-extrusion mode, and the conductor shielding layer and the insulating shielding layer are graphene semi-conductive shielding layers. A Tetoron belt layer, a metal shielding layer, an inner sheath layer, a metal armor layer and an outer sheath layer are sequentially arranged outside the insulating shielding layer from inside to outside; the metal shielding layer is composed of acopper wire sparse winding layer and a copper belt wrapping layer which are arranged outside the Tetoron belt layer, and the copper wire sparse winding direction of the copper wire sparse winding layer is opposite to the copper belt wrapping direction of the copper belt wrapping layer. The novel high-iron graphene semi-conductive shielding cable provided by the invention can solve the problems that the existing cable cannot meet the requirements of power supply safety and special use conditions, and has the advantages of excellent comprehensive use performance, excellent electrical performanceand physical performance, excellent waterproof, rat-proof and ant-proof comprehensive protection effects and safe and reliable use, and the service life is prolonged by about two times compared withthat of the traditional cable.

The invention relates to a high-strength composite grid which comprises a finely-woven high-density polyethylene material geotextile (1) and plastics-steel bar strips (2). The plastics-steel bar strips (2) is woven into a lattice-shaped grid. The high-strength composite grid is characterized in that the finely-woven high-density polyethylene material geotextile (1) is laid in the lattice-shaped grid woven by the plastics-steel bar strips (2), and the finely-woven high-density polyethylene material geotextile (1) and the plastics-steel bar strips (2) are connected through ultrasonic welding. Through the mutual action of the finely-woven high-density polyethylene material geotextile and the grid woven by the plastics-steel bar strips, the invention enhances the mutual tensile strength and reduces the elongation and can also decrease the engineering workload in practical application.

The invention discloses a high-molecular rapid rotary screen blue-light plate-making photosensitive resist, which is composed of resin, a resin curing agent, an organic solvent, lower alkyl fatty alcohol, polyvinyl alcohol, a photosensitizer, a promoter, a diffusion agent, rubber and water according to weight ratio. The high-molecular rapid rotary screen blue-light plate-making photosensitive resist employs an interpenetrating network technology and a new material, each component are mutually crosslinked to form the interpenetrating network, density is increased, chemical resistance, adhesion strength, mechanical strength, scratch resistance and resistance intensity of colloid are increased; simultaneously, based on maintenance of original performance, the photosensitive resist has advantages of short high temperature solidification time, the duration is reduced from 1.5-2 hours at 180 DEG C to 20 minutes at 180 DEG C. defect of long high temperature solidification time of the rotary screen blue-light resist can be solved, energy and time are saved, under rush condition of current electric power energy, energy saving and consumption reduction are realized for users, and the photosensitive resist has the advantage of high resolution, instant exposure of laser positioning by blue light, strong photosensitivity and good photocrosslinked solidification performance.

An environment protection type plate used as building material and decorative material is proportionally prepared from aluminium oxide or aluminium hydroxide or FeO2, rankinite and resin through mixing, stirring, moulding and demoulding. Its advantages are high impact strength, high resistance to fire, water and high temp, and high machinability.

The invention discloses a plasma titanium injection method for a disc hob blade of a metal steel plate. The plasma titanium injection method for the disc hob blade of the metal steel plate is characterized by comprising the following steps that S1, the surface of a hob is pretreated; S2, electric arc magnetic filtration is carried out on the hob in the S1, and 4-6 microns of TI is deposited on the surface of the hob; and S3, plasma infiltration of a multi-layer structure is carried out on the surface of the hob in the S2. Compared with the prior art, the plasma titanium injection method for the disc hob blade of the metal steel plate has the beneficial effects that a plasma infiltration technology is carried out on the surface of the hob, the resistance strength of the blade is enhanced, the problem of blade breakage in the steel plate shearing process is solved through the plasma infiltration of the multi-layer structure, the service life is prolonged by 2.5-3.5 times, and a specific PVD coating of a company is carried out after the mode is adopted, so that the service life of the hob is prolonged; on the basis, the PVD coating can be used for improving the efficiency, and a good use value is achieved in surface coating and coating of high-speed steel tools, dies and industrial parts.

Belonging to the technical field of plastic products, the invention discloses a glaze-imitating colored plastic glazed tile and a preparation method thereof. The glazed tile comprises an upper layer and a lower layer, the upper layer comprises the following raw materials by mass percentage: 65-75% of AS resin, 15-30% of an AS resin modifier, 2.5-3.5% of a coloring pigment I, and 0.5-5% of an assistant I; the lower layer comprises the following raw materials by mass percentage: 50-60% of PVC resin, 30-40% of nano-active CaCO3, 3.5-5% of an additive II, and 0-3.5% of a coloring pigment II; the AS resin modifier is at least one of ASA resin and acrylic ester; the coloring pigment I is a transparent pigment; and the nano-active CaCO3 crystalline form is a cubic crystal form. The glazed tile provided by the invention has good appearance effect and glaze-imitating effect, and the weatherability, impact resistance and environmental friendliness are all superior to clay glazed tiles in the prior art.