210results about How to "High breaking force" patented technology

A reinforced hockey stick blade and a related method of manufacture are provided. The hockey stick blade can include a core element defining one or more longitudinal channels bounded by an upper core portion, a lower core portion, and a bridge portion interconnecting the upper and lower core portions. The hockey stick blade can additionally include a plurality of fiber-reinforced plies substantially encapsulating the core element and a reinforcing material received within the one or more longitudinal channels. The reinforcing material can extend longitudinally from a first channel end portion to a second channel end portion, and can include woven or unidirectional fiber-reinforced plies. The reinforcing material can additionally extend transversely across the channel to form a blade structure having increased blade strength and durability over existing composite hockey stick blades.

The invention discloses a surface palladium-plated bonding brass wire comprising a brass core taking brass as a main component and a palladium layer formed by plating on the brass core. The surface palladium-plated bonding brass wire is characterized in that trace metal for improving the extension performance is added in the brass core taking the brass as the main component; a single crystal is smelt and drawn to form a brass alloy core wire; the palladium is plated on the surface of the brass alloy core wire; and the surface palladium-plated bonding brass wire is formed in a superfine drawing manner. Compared with the prior art, the invention has the benefits that the surface palladium-plated bonding brass wire has better final plasticity deformation capability in the subsequent superfine drawing process without intermediate annealing; the percentage elongation of the surface palladium-plated bonding brass wire is at least 11 percent; the deformation of a palladium-plated layer in the pressure processing flow is consistent; the surface of the surface palladium-plated bonding brass wire is uniform, compact and complete, which is especially beneficial to full deformation during welding bonding, and thus the pulling strength and the reliability are improved. In addition, the cost of products can be controlled to be about 6 yuan/100 meters and the products have high cost performance.

The invention discloses a method for reinforcing a working surface of a loose and soft coal bed by utilizing a nonmetal grouting anchor cable. The grouting anchor cable is made of a high-strength composite material carbon fiber/glass fiber. The reinforcement of the working surface of the loose and soft coal bed is realized through the processes of surveying and lofting, drilling holes in a coal body, manufacturing and arranging the grouting anchor cable, sealing an anchor cable hole, and grouting chemical grout in the hole and the like. As the grouting anchor cable is made of nonmetal materials, no sparks are generated when a coal-winning machine cuts, and the grouting anchor cable has the characteristics of flame retardancy, anti-static electricity, safety and reliability in use and hightensile strength, higher breaking force, light weight, and capability of being bent and coiled, and is higher than steel and convenient in transportation; and by utilizing the method, deep hole reinforcement and support on the working face can be carried out under the condition that the coal face can not be supported by using a metal anchor cable, the grouting support operation can be carried outon the working surface on site by combining a chemical grouting method, and the coal body of the working surface can be reinforced at the upper and lower tunnels of the working face by combining the chemical grouting in advance.

The invention relates to a manufacturing method of a vacuum cooking and packaging bag for food, which comprises the following steps: selecting and proportioning raw materials and controlling the process flow; compounding a BOPA with an RCPP; firstly, delivering the printed BOPA into a compounding process; and proportioning a polyurethane glue and a solvent by weight; stirring uniformly and gluing on the BOPA; and manufacturing and forming a bag by heating in a drying tunnel, aging at constant temperature and heat sealing. After the food is packaged in vacuum, the vacuum package can resist high-temperature cooking and sterilizing at 135 DEG C for 30 minutes, and the packaging bag can not loose or leak air, can ensure the quality of the food and prolong the preservation and quality guarantee period of the food.

The invention discloses an ultrahigh strength steel wire rope and a wire drawing method thereof. The ultrahigh strength steel wire rope has a structure of 6*19W+21-phi 13.2mm. The ultrahigh strength steel wire rope comprises a core strand and edge strands. Each one of the core strand and edge strands orderly comprises central steel wires, inner layer steel wires and outer layer wires from inside to outside. The core strand has a steel strand structure comprising three central steel wires, six inner layer steel wires and 12 outer steel wires. The edge strand has a steel strand structure comprising one central steel wire, six inner layer steel wires and 12 outer steel wires. Each one of the central steel wire, inner layer steel wires and outer steel wires of the core strand and edge strands is prepared from a ultrahigh strength steel wire with the diameter of 2.60-2.80mm and a zinc layer with weight of 150-200g/m<2> on the surface of the steel wire by drawing. The wire drawing method simplifies a wire drawing process, steel wires of the core strand and edge strands have small diameter difference and under load, steel wire contact stress is reduced. The wire drawing method easily controls uniformity of zinc coating layer weight. The ultrahigh strength steel wire rope has a large density coefficient, a large breaking force and a long service life.

The invention relates to a steel-based carbon fibre composite material and a preparation method thereof. The steel-based carbon fibre composite material comprises a plurality of bent carbon fibres which intertwine one another, a steel-based material and an adhesive which is adhered to the surface of the carbon fibres, wherein the carbon fibres, the adhesive and the steel-based material are formed by connecting through chemical bonds; a coral-like interface is formed between the adhesive which is adhered to the surfaces of the carbon fibres and the steel-based material through the chemical bonds; the preparation method for the steel-based carbon fibre composite material comprises the following steps: infiltrating the carbon fibres by utilizing the liquid adhesive; intertwining the carbon fibres after excessive adhesive is extruded away so that three-dimensional structural sponge-shaped carbon fibres which are adhered with the adhesive are formed; compounding the carbon fibres with the steel-base material after vacuumizing treatment is performed; finally, placing the composite material into a mould, pressurizing, cooling and moulding to obtain the steel-based carbon fibre composite material which is connected through the chemical bonds. The composite material prepared by the preparation method is far beyond the upper modulus limit of various types of conventional steel substrate materials; the rigidity, the tensile strength, the breaking power and the shearing strength are greatly improved.

The invention discloses a technology for manufacturing a steel wire cut pill, which takes a waste steel wire rope as the manufacture raw material. The process flow comprises the following steps of: breaking the rope, breaking the strand, cutting the pill, decontaminating, derusting and screening. The technology can manufacture the steel wire cut pill with 0.2-4mm, has good performance and cleaning effect, is difficult to crush the pill, and has small consumption level and long service life. Meanwhile, the waste steel wire rope used as the raw material is the industrial waste material, so that the material source is abundant, the production cost is low, and the environment pollution can be reduced. Furthermore, the decontaminating and derusting method of the steel wire cut pill comprises the step of adding saw timber powder in a stirrer to abundantly mix and stir, thereby effectively removing the greasy dirt, the rust stain and the foreign matter on the surface with the porous absorption capability and the surface scrubbing capability of the saw timber powder, reducing the problems of high cost, water waste, uncleanness and environment pollution caused by using the conventional steel wire cut pill cleaning agent, and having prominent technical benefit, economic benefit and environmental benefit.

The invention discloses an ampoule splitter which is a manual-operation type or full-automatic type ampoule splitter. The ampoule splitter comprises a bottle bubble clamp, a positioning frame and a bottle body frame and is characterized in that the upper part of the positioning frame is provided with the bottle bubble clamp used for clamping an ampoule bottle bubble and splitting the ampoule bottle bubble through a lever, and the bottle bubble clamp is formed by crosswise and movably connecting an upper clamp body and a lower clamp body through a clamp pin shaft. The lower part of the positioning frame is provided with the bottle body frame used for positioning and clamping the ampoule bottle body, and the bottle body frame comprise a connecting plate, a bottle neck lower force arm and a bottle body force arm. The positioning frame is formed by assembling the bottle bubble clamp and the bottle body frame together through double shafts in a linkage way, and the bottle bubble clamp is movably connected with the bottle body frame through the positioning frame. By using the ampoule splitter of the invention, fine glass fragments cannot be generated, the phenomena of hands injuring and medicinal liquid spilling are prevented, the table type or full-automatic type ampoule splitter can be used for splitting two or three ampoule bottles at the same time. The ampoule splitter has the advantages of convenient and rapid operation and meets the professional requirements of medical treatment.

The invention relates to a novel double-compacted steel wire rope and a production technology thereof, and aims to provide a steel wire rope which is stable in physical property and is compacted tightly as well as a production technology of the steel wire rope. All pickled and phosphatized steel wires are drawn for the first time, then annealed, dried and drawn again after dried, and various finished steel wire products are formed. Third center steel wires, inner-layer steel wires, filling steel wires and third outer-layer steel wires are twisted and then rolled, steel wire rope first outer-layer strands are produced and twisted on the outer side of a rope core in a wrapping manner, a steel wire rope is twisted, the twisted steel wire rope is forged, and the forged steel wire rope is warehoused. The section area of each steel wire rope first outer-layer strand after rolling is 8%-10% smaller than that before rolling, and the section area of the steel wire rope after forging is 10%-13% smaller than that before forging. The rope core adopts 7*7 independent steel cores.

The invention discloses a composite core half-hard aluminum conductor and a manufacturing method thereof. The manufacturing method comprises the following steps: I, processing so as to manufacture an aluminum rod; II, drawing the aluminum rod into hard aluminum wires; III, performing high-temperature thermal treatment on the hard aluminum wires so as to obtain half-hard aluminum wires; IV, concentrically twisting a plurality of half-hard aluminum wires and carbon fiber composite cores, thereby obtaining the finished carbon fiber composite core half-hard aluminum conductor. As the composite cores and the intermediate state aluminum wires are combined, and a specific process is provided, the produced carbon fiber composite core half-hard aluminum conductor has the characteristics of large pulling strength, large draw-weight ratio, good conductivity, relatively large surface hardness, low probability of scratching in laying, small sagging and the like, and the line security can be greatly improved.

The invention provides a high-nitrogen nickel-free super double-phase stainless steel wire rope for a high-speed elevator and a manufacturing method thereof. The high-nitrogen nickel-free super double-phase stainless steel wire rope comprises an outer-layer strand, an inner-layer strand and a central strand, wherein the outer-layer strand and the inner-layer strand are made of high-nitrogen nickel-free super double-phase stainless steel materials, and the central strand is made of polypropylene fibre materials; and protective grease is filled between the central strand and the inner-layer strand or between the central strand and the outer-layer strand and between the inner-layer strand and the outer-layer strand. According to the invention, the cost of a product is reduced, the contact stress between the stainless steel wire rope and a wheel groove is reduced, the strength is high, the wear resistance and the safety are greatly improved, and the service life is prolonged.

The invention provides a preparation process of a Ti alloy wire rope for marine engineering. The preparation process comprises the following steps: step 1, electing sponge Ti, sponge Zr, Al shots, anAl-Mo intermediate alloy and an Al-Nb intermediate alloy according to the composition amount, and uniformly mixing the above raw materials; step 2, preparing an electrode by extruding the mixed materials obtained in step 1, cutting off a riser after smelting, and preparing a polished ingot by the adoption of machining; step 3, carrying out wire material preparation by subjecting the polished ingotprepared in step 2 to two stages: hot drawing of a coarse wire and hot drawing at room temperature, so as to obtain alloy fine wires; and step 4, stranding and braiding the alloy fine wires obtainedin step 3 in the form of point contact, so as to obtain the Ti alloy wire rope finally. According to the preparation process provided by the invention, the Ti alloy wire rope is prepared by adopting the Ti alloy material; the corrosion-resistance performance of the Ti alloy wire rope is relatively strong; compared with a steel wire rope, the Ti alloy wire rope has the advantages that the corrosionproblem is solved and the equipment running safety is guaranteed; meanwhile, the maintenance and replacement cost is greatly reduced; and the Ti alloy wire rope is widely applicable to marine engineering and other corrosion environments.

The invention discloses a hole wall grouting anchor cable which is characterized in that an L-shaped grouting hole is formed in an anchor cable supporting plate and on the periphery of a steel strand mounting hole, wherein one end of the grouting hole is communicated with an anchor cable hole in the anchor cable supporting plate and is communicated with an annular grouting cavity between a steel strand and a hole drilling wall through the anchor cable hole, and the other end of the grouting hole is located on the surface of the anchor cable supporting plate and is connected with an external grouting pipe; a hole pipe located in a drilled hole is connected with the anchor cable supporting plate; and a groove is turned on the periphery of the hole pipe and is internally provided with a hole wall sealing ring. The hole wall grouting anchor cable disclosed by the invention can effectively improve the grout anchoring strength of an anchor cable and reduces the manufacturing cost of the anchor cable.

Disclosed are a production method and plus material of high strength and double face polyester peach skin cotton knitting fabric. The production method of the high strength and double face polyester peach skin cotton knitting fabric includes raw material preparation, knitting performed on a knitter, pretreatment, dyeing, mellowing, tenter setting, surface napping and flat setting. A finished product produced by using the production method is the polyester peach skin cotton knitting fabric with double face tissue, which is produced by using cotton as principal raw material and supplementing a small amount of vinylon in the cotton. Two layers of even, fine and dense fluff are respectively formed on the external surface and the lining surface of the fabric, and therefore the high strength and double face polyester peach skin cotton knitting fabric is soft and comfortable in internal and external hand feeling, and further has the advantages of being strong in bursting force and good in air permeability, difficultly bringing static electricity, resisting bacteria, resisting ultraviolet rays and the like.

The invention provides an intelligent graphene waistband suitable for daily life and a manufacturing process of the intelligent graphene waistband. The intelligent graphene waistband comprises a waistband body and a belt buckle which is connected to one end of the waistband body, wherein the waistband body comprises a waistband fabric which is arranged at the outer side and a backing material which is arranged at the inner side; an interlayer is arranged between the waistband fabric and the backing material; a flexible circuit and a graphene heating film are arranged between the interlayer and the backing material; the graphene heating film is electrically connected to a portable power supply which is hung on the waistband body by virtue of the circuit; and the graphene heating film can generate heat through power supplied by the portable power supply. According to the intelligent graphene waistband suitable for daily life provided by the invention, heat, which is generated from the two-dimensional graphene heating film, can act on the waist and acupuncture points of a human body, so that effects of protecting the human body against cold and conducting physiotherapy are achieved; in addition, the problem of conventional health care physiotherapy waistbands which are thick is avoided; and breaking power of the waistband body is enhanced, and the strength and the practicability of the waistband body are improved.

The invention discloses a seven-strand steel cord for an engineering tire. The seven-strand steel cord is formed by weaving and twisting steel wires and comprises a core wire strand and outer layer strands, the seven-strand steel cord is formed by weaving and twisting seven strands of steel wires and then adding a winding steel wire, and the twisting direction of the winding steel wire is the S twisting direction. After the seven strands of steel wires are twisted, the structure that the six outer layer strands are evenly arrayed around the core wire strand, and the twisting direction is the Z twisting direction, and the section is round. The core wire strand and the outer layer strands are each formed by weaving and twisting five steel wires, and the twisting directions are each the S twisting direction. The steel cord is high in strength, resistant to puncture and good in wear resistance, and while breaking force of the steel cord is improved, the proportion of the steel cord in the tire is reduced.

The invention relates to a pouring experiment method for overall breaking force of a steel wire rope. In the method, an epoxy resin pouring method is adopted for a tensile test; and raw materials adopted by the method comprise the following components according to parts by weight: 8-15 parts of epoxy resin, 0.2-0.6 part of ethidene diamine, 3-8 parts of DBP, 4-8 parts of quartz sand and 1-5 parts of talcum powder. Compared with the prior art, the method has the beneficial effect that a contrast experiment is carried out by steel wire ropes with five types of structures such as 6V*34+NF, 6V*37S+NF and the like as well as more than 30 specifications by two methods; resin pouring can improve the breaking force of the whole steel wire rope by 10% compared with alloy pouring; the test data of the method is closer to the real breaking force of the steel wire rope, which is more favourable for design of the steel wire rope and determination of technological parameters; and raw material cost is lower.

The invention discloses an easily-degradable anti-shrinkage polypropylene master batch, wherein polypropylene serves as a base material, the types and the formula of the master batch are optimized, and a production process is improved. A complex antioxidant which contains a biologic antioxidant, modified nanocarbon which can obviously improve high temperature resistance, shrinkage resistance, relative tensile load, strength and toughness and elasticity modulus of the polypropylene master batch, calcium fruit fibers which can obviously improve shock resistance of the polypropylene master batch, are easily biodegradable and lower production cost, polyethylene/winter rye peptide complexes which can greatly improve low temperature resistance of the polypropylene master batch and bitter almond oil which can effectively improve lubricating property and oxidation resistance of the polypropylene master batch are scientifically compounded; the obtained compound has a synergistic effect with other processing aids; finally, the environment-friendly easily-degradable anti-shrinkage polypropylene master batch with good physical property is obtained.

The invention relates to a steel wire rope for a nacelle and a manufacturing method thereof. The steel wire rope is in a seale type structure, the external surface of the steel wire rope is in a sector shape, and the steel wire rope comprises four upper strands and one synthetic fiber core, wherein the four upper strands are symmetrically twisted on the synthetic fiber core, and the sector surface is outward. The preparation method comprises the following steps: firstly, twisting a light-gage steel wire on one synthetic fiber core to form an initial lower strand, and sequentially and symmetrically winding a light-gage steel wire and a heavy-gage steel wire in a seale type on the outer layer of the initial lower strand to form the upper strand; then twisting four upper strands on one synthetic fiber core into a rope to form the product, namely, the steel wire rope for the nacelle; and extruding steel wire rope for the nacelle into a sector shape by two groups of orthogonal sizing tools during rope twisting. The four steel wire ropes with different shapes provided by the steel wire rope for the nacelle and the manufacturing method thereof of the invention have good rotation-resisting performance and basically realize no rotation of the steel wire ropes, a sector strand has a large contact surface with a pulley and good wear resistance, and by tightening a deformed steel wire rope, the breaking force is improved by one level compared with a round strand steel wire rope at the same level.

The invention provides high-nitrogen low-nickel super two-phase stainless steel, comprising the following components in percentage by weight: 24-26% of Cr, 14-20% of Mn, 2.0-4.0% of Mo, 0.30-0.55% of N, 0.01-0.03% of C, 0.05-0.2% of Ce or Y, 2-3.2% of Ni, less than or equal to 1.0% of Si, less than or equal to 0.01% of S, less than or equal to 0.02% of P, less than or equal to 0.01% of B and the balance of Fe. The high-nitrogen low-nickel super two-phase stainless steel has the characteristics of low manufacturing cost, high strength, high toughness, corrosion resistance and wearing resistance, can be widely applied in equipment of the manufacturing industries such as petroleum, chemical engineering, ship building, papermaking, food, medicines and the like and the fields such as environmental protection, aerospace, urban rail transit and the like, and products such as stainless steel corrosion-resistance alloy plates, pipes, steel wire ropes, casting and forging pieces and the like.