93results about How to "With structural strength" patented technology

The invention provides a bisphthalonitrile resin fiber enhanced material with a triphenyl sym-triazine structure and a preparation method thereof, and belongs to the technical field of polymer materials. The enhanced resin consists of glue and fiber materials according to a mass ratio of (1.0 to 99.9):100; the glue comprises bisphthalonitrile resin of the triphenyl sym-triazine structure, has the general molecular formula shown by the formula I, and also comprises the following ingredients of curing agents, curing accelerating agents and filling materials. The preparation method of the bisphthalonitrile resin fiber enhanced material comprises a glue preparation step, a glue soaking step, a forming step and a curing step. The prepared fiber enhanced material has certain structure intensity and also has a high heat-resistant grade.

The present invention discloses a photo-stabilization type lubricating grease, which comprises, by weight, 75-92 parts of a base oil, 5-20 parts of a fatty acid soap thickener, 0.1-2 parts of an antioxidant, 0.01-2 parts of a light stabilizer, and 0.1-2 parts of an anti-rust agent, wherein the components are matched under a certain condition according to the ratio to obtain the photo-stabilization type lubricating grease. According to the present invention, the added functional additive does not affect the product structure, wherein the specific performance is that the consistency (cone penetration) and the strength limit of the product are not changed significantly; and with the addition of the light stabilizer, the photo-stabilization type lubricating grease of the present invention has the light stability, wherein the appearance of the lubricating grease is essentially the same before and after the illumination, and the product meets a variety of lubricating requirements.

The invention belongs to the field of deep sea rock core sampling, and belongs to a small-size rock core sampling drilling machine based on manned deep submersible vehicle mechanical hand operation. The small-size rock core sampling drilling machine comprises a battery, a control cabin, a water-tight cable, a handle, a drill tool, a deep water transmission unit, a transmission soft shaft and a deep water power unit, wherein the battery and the control cabin are connected through the water-tight cable and the deep water power unit, the deep water power unit is connected with the transmission unit through the soft shaft, the transmission unit and the drill tool are connected through screw threads, and the whole drilling machine is arranged in a sampling basket arranged at the front end of a manned deep submersible vehicle. The small-size rock core sampling drilling machine is a special seabed crusting rock core drilling machine designed and manufactured for the manned deep submersible vehicle, the design and the manufacturing are in accordance with the principles of safety, reliability, advancing, economy and practicability, the small-size rock core sampling drilling machine can be arranged on a sampling basket support frame of the manned deep submersible vehicle, and the effective drilling core taking can be realized on the seabed crusting through adopting a mechanical hand operation mode. The small-size rock core sampling drilling machine is mainly used for sampling the seabed crusting rock cores, and has higher practicability.

The invention discloses a full-sea-depth unmanned submersible. The full-sea-depth unmanned submersible is characterized in that low-cost easily-available lightweight common materials resistant to seawater corrosion and collision and having a certain structural strength are used for making a dimensional shell of the submersible; the interior of the submersible and all interior gaps of all equipment, facilities and components carried by the submersible are filled with liquid, so that a closed space type pressure resisting mode that an exterior hard pressure-resistant dimensional shell of a previous submersible bears all pressure is converted into a material-type pressure resisting mode that materials for manufacturing the dimensional shell of the submersible as well as the equipment, the facilities and the components carried inside the submersible bear pressure jointly. The full-sea-depth unmanned submersible has the advantages that the characteristics that liquid is incompressible, liquid with a roughly consistent density bears no larger pressure and the pressure is conductible are used, so that manufacturing cost of the submersible is reduced significantly, and the submersible is not restricted by a submerged depth.

The invention relates to a production method of a crossed multi-barrier-layer co-extruded film. The production method comprises the following steps: blowing out a film bulb through an extruder and a die head, wherein the innermost layer material of the film bulb is a self-adhesive material, feeding the film bulb into a heating pinch roller, pressing the cylindrical film bulb into a double-layer flaky structure, sticking the double-layer flaky structure into an integral structure through the self-adhesive material after heating the double-layer flaky structure through the heating roller, and then, cooling and rolling so as to obtain the crossed multi-barrier-layer co-extruded film. The thickness of the crossed multi-barrier-layer co-extruded film, namely a sheet material, prepared by the production method is even, and production requirements and quality requirements are met. Surface treatment including gravure, flexographic printing, offset printing, gold stamping and the like can be carried out. A symmetrical structure is formed in each layer, so that barrier layers and functional layers are all doubled, the thickness is doubled, and the sheet material meeting the production requirements is prepared. The doubled barrier layers and functional layers can promote the sheet material to have better barrier performance, and the product performance of the sheet material is improved.

The invention relates to a concrete penetrating coloring agent and application thereof. The concrete penetrating coloring agent is prepared from the following components of organic pigment, a solvent,a penetrant, a wetting agent, an emulsifier, a silane coupling agent and a thinner. The concrete penetrating coloring agent has the advantages that the penetrating property is strong, the coloring agent can effectively penetrate into a concrete surface layer and generate chemical reaction with a concrete substrate, and a colorful concrete whole structure with stable color can be formed; the operation is simple, the convenience in use is realized, the colorful effect is realized, more than twenty conventional colors can be formed, and the required other colors can be blended by the existing colors; the conventional colors include golden yellow color, orange yellow color, camel color, brown color, coffee color, orange red color, claret color, bright red color, garnet color, purple color, bright green color, jade green color, dark green color, water gray blue color, bright blue color, peacock blue color, deep blue color, light gray color, medium gray color, pure black color and the like,and every two colors or more colors can be mixed to form other colors.

The present invention relates to water flow blocking apparatus for semi-submersed underwater construction, and belongs to the field of marine engineering technology. The water flow blocking apparatus has a U-shaped hull with opening in the prow; four upright columns in the four corners of the opening; flow blocking plates connecting the upright columns; door hinged to the upright columns in the prow; and decks laid in the upper part of the apparatus and supported with the four upright columns. The present invention may be used to surround a steel pipe pile group of pier to form one job area with less water flow influence, and this can ensure the job stability in floating and semi-submersed operation. In addition, the present invention may be also applied in other places where less water flow influence on operation is needed.

The invention discloses a core-shell graphene-silicon composite material, a preparation method thereof, a battery material and a battery and relates to the technical field of batteries, and the problem of the degradation of the cycle performance of an electrode of a material containing a silicon substrate due to volume expansion is solved. The preparation method of the core-shell graphene-siliconcomposite material comprises a step of uniformly mixing a graphene-silicon composite material and a carbon source to obtain a premix, and a step of calcining the premix in an inert environment such that the carbon source contained in the premix is carbonized to obtain the core-shell graphene-silicon composite material. The core-shell graphene-silicon composite material is prepared by the above preparation method. The core-shell graphene-silicon composite material and the preparation method provided by the invention are used in the battery.

The present invention relates to a preparation method for a hose sheet by multilayer co-extrusion. The method is characterized by: using an extruder and a die orifice to blow bubble by multilayer co-extrusion, wherein the bubble has a 5-11 layer structure, the bubble at least comprises a self-adhesive material layer, and an innermost layer is the self-adhesive material layer; and a cylindrical bubble being laminated into a double-layer sheet structure when the bubble entering into a heating nip roller, the double-layer sheet structure passing through the self-adhesive material layer to adhere to an integrated structure by a heating roller, and through cooling and rolling to obtain the hose sheet, wherein layer number of the hose sheet is two times of the layer number of the bubble. The hose sheet prepared by the method is uniform in thickness, and components of each layer can be adjusted according to the performance requirements of the hose; each layer of the hose sheet forms a chiral symmetry structure, thereby doubling the quantity of function layers with a better functional property; and the thickness of the film can be doubled to 100-460 [mu]m, and the thickness thereof can meet the hose production requirements.

The invention discloses a synthetic method of a nanofiber membrane-shaped efficient water body solid-phase denitrification carbon source. The synthetic method comprises the following steps of S1, mixing degradable synthetic polymers according to a ratio of 1: (1-10) to form a solid-phase mixture; S2, mixing DMF (dimethylformamide) and trichloromethane according to a ratio of 1: (1-10) to form a liquid-phase mixture; S3, dissolving the solid-phase mixture into the liquid-phase mixture at the temperature of 40-60 DEG C to obtain a polymer solution with the content of PHB (polyhydroxybutyrate)/PHBV (polyhydroxyvalerate)/PLA (polylactic acid) being 4-12wt%; S4, performing electrostatic spinning on the polymer solution to obtain an electrospun nanofiber membrane; and S5, putting the electrospunnanofiber membrane into a vacuum drying oven at 60 DEG C for 2 to 24h, cleaning the electrospun nanofiber membrane with deionized water, and drying the cleaned electrospun nanofiber membrane in a drying oven at 80-120 DEG C to obtain the nanofiber membrane-shaped efficient solid-phase denitrification carbon source for the water body, so that denitrification nitrogen removal can be performed on low-concentration, large-water-volume and eutrophicated natural water body, and the removal rate of nitrate nitrogen can reach 99%.

The invention relates to the field of buildings and civil engineering, in particular to a flexible base layer bituminous road surface. The problem that in the relative technology, the road condition quality is poor is solved. The flexible base layer bituminous road surface comprises a surface layer, a base layer, a cushion layer and an earth base which are sequentially arranged from top to bottom. The surface layer comprises a bituminous concrete surface layer body, a bituminous macadam surface layer body and a bituminous injecting gravel surface layer body; the base layer is at least formed by evenly mixing a bituminous mixture, bituminous injecting macadam and ABS particles; the cushion layer comprises a grading macadam layer body which forms a dense structure by mixing macadam of different particle diameters and being subjected to compaction; the thickness of the flexible base layer bituminous road surface is gradually reduced in the direction from the middle of the flexible base layer bituminous road surface to the two sides in the width direction; and the flexible base layer bituminous road surface further comprises first reinforcing column bodies, first unchoking pipes and second unchoking pipes, wherein the first reinforcing column bodies and the first unchoking pipes are arranged between the earth base and the cushion layer, and the second unchoking pipes are arranged on the base layer. The flexible base layer bituminous road surface can be well used under the long-time and high-load condition.

The invention discloses a changeable track base plate device of engineering machinery. The changeable track base plate device comprises a stander, traveling devices arranged on two sides of the stander and telescopic supporting legs, wherein one end of each telescopic leg is connected to the stander, and the other end of each telescopic leg is connected to each traveling device; when the telescopic supporting legs stretch, the traveling devices get close to or get away from the stander, so that the engineering machinery can change the track. The telescopic supporting legs can drive the relatively heavy traveling devices, have a relatively large adjustment range and are suitable for the large-tonnage engineering machinery with a relatively large working area; the telescopic supporting legs and the traveling devices are directly connected; when a working state and a transportation state are converted, only the stretching lengths of the telescopic supporting legs are adjusted; compared with the complexity of the alternating operation that a frame returns to the stander and extends out of the outer side of the stander, the operation complexity of the changeable track base plate device is greatly reduced.

The invention discloses a graphene cushion for children, and relates to the technical field of cushions for children. The graphene cushion particularly comprises a cushion, a laying layer and a cushion back. The cushion comprises the laying layer, an adhesion layer, an elastic layer, a water absorption layer, a bottom cushion layer and the cushion back, seal edges wrap the edges of the cushion, blocks are spliced with one another to form the laying layer, a large ring is embedded in the middle of a surface of the cushion back, a small ring is connected with the end, which is far away from thelarge ring, of each connecting pipe, action rubber pipes are connected with the upper side and the lower side of the large ring, and mounting grooves are equidistantly formed in the outer walls of theaction rubber pipes. The graphene cushion for the children has the advantages that the insides of the large ring, the small rings, the connecting pipes and the action rubber pipes are in expansion states under inflation effects, the large ring, the small rings, the connecting pipes and the action rubber pipes have structural strength on the premise that the internal air pressures of the large ring, the small rings, the connecting pipes and the action rubber pipes are increased, and the magnitude of the strength has direct relations with the quantity of injected gas.

The invention provides a shaping chain tooth being more striking through tooth body size amplification and shape change, a sliding wedge matched with the shaping chain tooth, and a zipper with the shaping chain tooth and the sliding wedge. The shaping chain tooth is a chain tooth formed through metal casting or plastic injection molding; after the amplification on an upper clamping part and a lower clamping part of the tooth body part, the size and the area are greater than those of a conventional tooth body; the longitudinal length of the upper clamping part can be greater than or equal to the longitudinal length of the lower clamping part; the shape of the upper clamping part is characters, numbers or signs and the like; visual effects different from the conventional tooth body can be generated; no flange part is formed at the two sides of an upper wing plate of the sliding wedge; flange parts are only arranged at the two sides of a lower wing plate, so that a greater slot seam is formed between the upper wing plate and the lower wing plate; support parts of the upper clamping part and the lower clamping part of the chain tooth and weaving belts can jointly pass through the slotseam; good interaction relationship is generated; and after the zipper and double weaving belts are combined with the double-row shaping chain tooth and the sliding wedge, an unsealed or sealed component with good recognition performance and advertisement benefits is realized.

The invention discloses an upper beam, a helicopter airframe adopting the upper beam and a helicopter. The upper beam is a U-shaped component formed by two straight rod parts which are parallel to each other and a bridge joint part for connecting one ends of the two straight rod parts. The airframe is of a damping structure formed by mutual connection of an upper frame and a tripod through an engine assembly and a damper, the upper frame is of a rigid structure formed by the upper beam, a front beam, an upper bearing beam, supporting rods and a tail pipe through two pairs of middle beams with five connecting supporting arms, and three of the supporting rods are connected with three of the middle beams. A gearbox is positioned on the upper bearing beam. The airframe has the beneficial effects of being simple in structure, easy to manufacture, cost-saving, light in weight, good in rigidity, excellent in damping performance, easy for disassembling, assembling and maintenance, and the like.

The invention relates to a 2,000 MPa durable parallel steel wire stay cable of a highway and railway cable-stayed bridge. The parallel steel wire stay cable comprises an anchor cup, a connecting cylinder and a cable body. The connecting cylinder is connected to the front end of the anchor cup. The cable body penetrates through the connecting cylinder to be fixed into the anchor cup. A conical cavity gradually becoming larger from exterior to interior is formed in an inner cavity of the anchor cup. A curve limiting ring is arranged at an inlet of the conical cavity. A steel wire harness in the cable body is arranged in the conical cavity in a dispersing mode through the curve limiting ring. The parallel steel wire stay cable has the advantages of being high in strength and durable in use. Especially by optimizing the anchor structure, the flexible curve limiting ring corresponding to the cable body is arranged at the bent position in an anchor, on one hand, direct rigid contact between steel wires and the anchor cup is avoided, and local damage is prevented; on the other hand, the micro-moving fatigue abrasion of the bent positions of the steel wires is changed, and the use requirements for large dynamic loads and high stress amplitude of the stay cable of the highway and railway cable-stayed bridge can be met.

The invention provides a plastic wall plate which is formed by using a hollowing blow molding and rotational molding process at one time and can be used in the technical field of building materials, and aims to solve the problems that building materials of a conventional building, particularly a temporary house, are relatively troublesome to transport and mount and relatively poor in strength, heat preservation and sound insulation effect. The plastic wall plate comprises a rectangular main body, wherein the main body is of a hollow structure which is manufactured by using a hollow plastic process; a sealed storage cavity is formed in the main body; the shape of the storage cavity adapts to that of the main body; the storage cavity can be filled with a material which can improve the functional properties of the wall plate; a feeding hole is formed in the main body; the feeding hole is communicated with the storage cavity; a plug which can be mounted, dismounted and used for sealing the feeding hole is arranged inside the feeding hole; the main body is made of plastic; the main body is further provided with a connecting structure for fixedly connecting two adjacent main bodies together. The plastic wall plate is simple to transport and mount, has the advantages of fire resistance, cold prevention, heat preservation, pressure resistance, sound insulation, durability and the like, and is green, energy-saving and environment-friendly as the material can be recycled and reused.

The invention discloses a PC wallboard mounting structure and a construction method thereof. The PC wallboard mounting structure involves a floor, first wallboard supporting the floor and second wallboard mounted on the floor; the second wallboard is provided with lower extending rebar, and channel steel with an opening facing downwards and extending longitudinally is pre-buried in the bottom endpart of the second wallboard; a pre-buried steel plate is fixed to the upper surface of the floor; the first wallboard is provided with upper extending rebar which penetrates through the floor and isfixedly connected with the pre-buried steel plate; the lower end face of the channel steel is welded to and fixedly connected with the upper surface of the pre-buried steel plate to form a hollow grouting area; and a grouting channel communicating with the hollow grouting area is formed in the side wall of the second wallboard. According to the structure and the method, the construction is convenient, and the installation cost can be greatly reduced.

The invention provides a plastic tile. The plastic tile is formed in one step according to a hollow blow molding and rotomolding process, is applied to the technical field of building materials and solves the problems that the conventional tile is heavy and frangible in transportation, undesirable in shock, pressure and cold resistance and thermal insulation and the like. The plastic tile comprises a platy body which is manufactured according to the hollow plastic technology, a sealed material storage cavity which is matched with the body in shape is formed in the body and can be filled with a material capable of enhancing the functional attributes of the tile, a feed opening is formed in the upper side surface of the body, communicated with the material storage cavity, and located on the edge of the body, and a detachable plug which can seal the feed opening is arranged in the feed opening. The plastic tile is relatively light in transportation, has the fire, cold and pressure resisting and thermal insulating effects, and can be recovered, thereby being low in energy consumption and environmentally friendly.

The invention relates to a planting method of fruit trees and in particular relates to a high-yield planting method of kiwi fruits. The high-yield planting method comprises a step 4 bagging, wherein bagging time: the kiwi fruits are bagged during 4 weeks to 5 weeks after flowers blossom; bag selection: the bagging is carried out by adopting following paper bags; a kiwi fruit paper bag comprises a ring buckle made of plastic and a round-platform-shaped bag body made of corrugated paper; a bagging method comprises the following steps of opening the ring buckle and separating a left ring body and a right ring body, buckling on a fruit stem of the fruit, bagging the fruit with the flattened bag body, curling and sticking or clamping the bag body to the lower end of the ring buckle, and enabling a buffering ring to be in contact with the fruit; bagging period management: a light reflecting plate is spread below the fruit during a bagging period; and when the temperature is too high or the light illumination is too strong, the light reflecting plate is turned over. By adopting the high-yield planting method of the kiwi fruits, the problem that the quality of the fruits is reduced after the kiwi fruits are bagged is solved, and the invention aims at providing a bagging technology which can keep advantages of the bagging of the kiwi fruits and can also improve the quality of the kiwi fruits.

The invention discloses an asbestos tile forming method, which is characterized in that a hollow die structure capable of naturally discharging air is adopted, and partial water and air in mortar can be discharged in the vibrating compaction process; the asbestos tile forming method comprises the following steps: (1) spreading the mortar and pre-vibrating; (2) spreading filter cloth; (3) discharging air, performing vibrating compaction molding, stably putting down the die, enabling a guide cone to fall into a guide hole, and starting a vibrator for discharging air and performing vibrating compaction, wherein during vibration, a frame is tightened by a wedge at any time, and the wedge is not loosened or does not fall off; and (4) trimming a tile shape. By the method, the compactness of an asbestos tile is improved, the breaking strength of the asbestos tile is improved and a shrinkage value is reduced.

The invention provides a crucible cover of a big-size sapphire single crystal growth furnace, which is made of round multilayer molybdenum plates; the multilayer molybdenum plates are provided with round center holes, the diameters of center holes are gradually reduced from top to bottom, the multilayer molybdenum plates are connected and fixed by a plurality of groups of molybdenum bolts and matched molybdenum nuts and are separated by the molybdenum nuts. According to the invention, the number of layers, the thickness, the interval, the distribution of sizes of center holes of the molybdenum plates are reasonably designed, so that a uniform and stable thermal field is favorably formed; and while the cost is reasonably controlled, the crucible cover has certain structural strength and long service life.