67results about How to "Strong extrusion resistance" patented technology

The invention discloses a biology base polymer aerogel oil absorption material. The oil absorption material is prepared by the following steps: at first, crosslinking biology base polymers by a crosslinking agent, to obtain a precursor liquid, then freeze-drying the precursor liquid to obtain aerogel, and finally grafting silane onto the aerogel surface to obtain the hydrophobic biology base polymer aerogel oil absorption material. The density of the oil absorption material is 3.8 to 23.1 kg/m3. The water contact angle is at least 117.8 degrees. The adsorption capacities on gasoline, paraffin oil, chloroform, and crude oil are 30.5-109.0 g/g, 33.2-131.2 g/g, 58.2-163.0 g/g, and 24.7-95.8 g/g. After 50 times of gasoline adsorption-extrusion circulation, the retention rate of adsorption capacity is 43 to 99%. The disclosed aerogel oil absorption material has the advantages of large oil absorption capacity and high oil absorption efficiency. Moreover, the oil absorption material can be repeatedly used by simply extruding the oil absorption material, while a high retention rate of adsorption capacity can be maintained. At the same time, the raw material sources are wide, the raw materials are cheap and easily available, the preparation is simple, the technology is matured, the method is environment-friendly, and the requirements of sustainable development can be met.

The invention relates to a water-locking sponge as well as a preparation method and application thereof. The water-locking sponge comprises sponge and a water-absorbing resin filled in a foam skeletonof the sponge. The preparation method comprises the following steps: (1) mixing foaming resin and a foaming assistant to obtain a foaming mixture; (2) dispersing dry water-absorbent resin in the foaming mixture obtained in step (1); and (3) foaming the mixture obtained in step (2) to obtain the water-locking sponge. The water-locking sponge provided by the invention integrates the advantages of sponge and water-absorbing resin, achieves the effect that one plus one is greater than two, obtains a composite water-locking sponge with a high water-locking rate, and has strong extrusion resistance. The preparation method of the water-locking sponge has strong operability, strong adjustability and high universality.

The invention relates to a lithium battery module for replacing a lead-acid storage battery of an automobile. The lithium battery module comprises an upper cover, a shell, a seal grid plate, lithium batteries, insulated phase-change materials, a battery fixedly-held assembly, heat-conducting rib plates, a battery protection plate and a self-restoring circuit protector, wherein the upper cover and the shell are mechanically connected to form a seal cavity, the seal grid plate is arranged in the shell and divides the seal cavity into an upper-half seal cavity and a lower-half seal cavity, the insulated phase-change materials are filled in the lower-half seal cavity, multiple lithium batteries are fixedly connected through the battery fixedly-held assembly and are arranged in the insulated phase-change materials, the heat-conducting rib plates are arranged between each two adjacent lithium batteries, and the battery protection plate and the self-restoring circuit protector are arranged in the upper-half seal cavity; a circuit is mounted in the upper-half seal cavity, one end of the circuit penetrates through the seal grid plate and is connected with the electrodes of the lithium batteries, and the other end of the circuit is connected with an external pole column through the upper cover. Compared with the prior art, the lithium battery module has the advantages of long service life, good power property, small volume, high integration and the like.

The invention provides a 3D (three-dimensional) glass processing technology. According to the technology, 2D (two-dimensional) glass is subjected to the steps of cutting, CNC (computer numerical control) outline processing, hot bending shaping, strengthening, transfer printing, laser irradiation, AG (anti-glare) etching and the like, finally a 3D (three-dimensional) glass finished product is prepared, and therefore the problems of oxidization, glare, hook surface decoration and the like in the hot bending shaping process of glass in the processing and manufacturing process of 3D (three-dimensional) glass can be solved, meanwhile, the manufactured 3D (three-dimensional) glass product is excellent in performance and low in cost, and the application in the mobile phone industry, the computerindustry, the digital industry and optical lenses can be realized.

The invention relates to an auxiliary constant-temperature battery box. The battery box comprises an outer shell, an inner shell, a polar column cover, a low-boiling-point medium, a heating plate and a cooling plate, wherein the inner shell is arranged inside the outer shell; a sealed cavity is formed between the outer shell and the inner shell; the polar column cover is arranged inside the inner shell; the low-boiling-point medium is arranged in the sealed cavity; the heating plate and the cooling plate are respectively arranged at the bottom and the top of the outer shell; and when the temperature of a battery pack in the battery box needs to be reduced or raised, the battery box changes the phase of the low-boiling-point medium through the heating plate or the cooling plate, so that the aim of maintaining the constant temperature of the battery pack in the battery box is achieved. Compared with the prior art, the auxiliary constant-temperature battery box has the advantages of high efficiency, capability of effectively adjusting the working temperature of the battery pack, simple structure and the like.

The method includes following steps: (1) prefabricating big and thin wall pipe piles; (2) according to designed reinforcing requirement, punching or pressing the said prefabricated pipe piles into base of foundation in soft clay by using construction machinery; (3) setting mattress layer on top of pipe piles to assort with distortion and stress of pile ground. Advantages are convenient construction, low cost, fast, adjusting distortion of pile ground so as to ensure piling quality and suit reinforcing base of foundation in soft clay.

The invention relates to a process for producing a rare earth copper alloy. The process comprises the following steps: adding and refining an alloy element in a melting pot, and degassing by using a hexachloroethane degassing agent; standing for 50 minutes, then injecting into a second pot, adding rare earth, and then degassing and removing slag. The process particularly comprises the following steps: (1) heating and cleaning a melting furnace device; (2) weighing 1000 kg of copper ingots, and preheating; (3) after the copper ingots are melted and the temperature of the melting furnace is increased to 1100-1200 DEG C, adding manganese chloride, then increasing the temperature of the melting furnace to 1300-1400 DEG C, and installing a mechanical stirring device for stirring; (4) adding a fusing agent; and (5) degassing, and then manually removing the slag. The rare earth copper alloy produced through the process disclosed by the invention has excellent abrasion resistance and anti-extrusion capacity, is a high-quality choice of an automobile king pin bushing material, is simple in production process, and is easy to popularize, and the utilization ratio of rare earth resources is increased.

The invention discloses a double-compaction steel wire rope for harbour machinery. The double-compaction steel wire rope comprises a steel core center strand, six steel core outer-layer strands and six outer-layer strands, the steel core outer-layer strands symmetrically wrap and twist the steel core center strand to form a steel core, the outer-layer strands symmetrically wrap and twist the steel core, a steel wire rope is a compaction rope, strands in the rope are in face contact, each outer-layer strand is a compaction strand, and steel wires in each strand are in face contact. Structure of the rope strands is in face contact through die extrusion, and the steel wire rope after being compacted is in face contact with a pulley, so that the double-compaction steel wire rope has ultrahigh breaking force and high wear resistance, extruding resistance and impact load resistance. Compared with those of steel wire ropes identical with the double-compaction steel wire rope in diameter and strength, bearing capacity is improved by 20%, and wear resistance is improved by about 25%; service life of the double-compaction steel wire rope is long, and correspondingly, running cost of the harbour machinery is reduced.

The invention relates to a manufacturing method for a controllable focal length liquid lens array. By controlling the mass of silicon oil dropped in a silica gel substrate, the refraction surface curvature and the lens focal length of a single microlens are controlled. By controlling the temperature in the experiment process, plano-convex or convexo-convex lens shapes are manufactured. By displacing a platform, the arrangement and the number of microlenses in the array are controlled. The manufacturing method is more suitable for preparation of the liquid microlens array of a larger area. The manufacturing period is short, the manufacturing cost is low and the manufacturing method is simple. The finished product of the invention is strong in anti-extruding performance and controllable in focal length, the array is structured. The method achieves the controllable lens focal length, the rapid response speed and the excellent imaging quality. The method can be widely applied in the fields of photovoltaic cells, microfluidic devices, three-dimensional imaging, monomolecular imaging, artificial compound eyes and optical coupling devices.

The invention discloses an anti-extrusion signal cable comprising a cable core, an internal protection layer, a shielding layer, an intermediate protection layer, a reinforcing layer, a protection layer and an external protection layer. The cable core comprises an insulator and multiple wire cores. The internal part of the insulator is provided with multiple first through holes and multiple second through holes along an axial direction. Each first through hole is surrounded by 3-6 second through holes. The multiple wire cores are respectively arranged in the multiple first through holes. Each wire core comprises a conductor, a polyester tape which wraps the conductor and a copper wire braiding layer which wraps the polyester tape. The internal part of the internal protection layer is provided with multiple third through holes along the axial direction. The internal part of the intermediate protection layer is provided with multiple fourth through holes along the axial direction. The signal cable has the properties of being waterproof and moisture-proof, flame-retardant and fireproof, anti-interference and anti-extrusion.

The invention belongs to the technical field of sand mould casting, and specifically discloses a casting mould frame. The casting mould frame comprises a frame body and a moulding sand layer located in the frame body, wherein a cooling pool is arranged on the frame body; a pipeline penetrating through the moulding sand layer is arranged on the frame body; the two ends of the pipeline are communicated with the cooling pool respectively; the outer wall of the pipeline located in the moulding sand layer is coated with a layer of epoxy resin; and a lead block is embedded on the wall of the pipeline. The casting mould frame disclosed by the invention has a function of accelerating cooling of liquid metals in a mould cavity.

The invention relates to a stent. The stent comprises a plurality of supporting unit rings and a plurality of connecting rods, wherein each supporting unit ring comprises a plurality of posts, a plurality of proximal rotating parts and a plurality of distal rotating parts, the plurality of proximal rotating parts and the plurality of distal rotating parts are alternately connected to proximal endsand distal ends of the plurality of posts, so that the supporting unit rings form a closed cylindrical structure, and the connecting rods are used for being connected with the posts of adjacent supporting unit rings to connect a plurality of support unit rings into a net tubular structure, wherein the connecting rod includes a plurality of successively adjacent wave segments. According to the stent, the support unit ring is of a closed cylindrical structure, and the connecting rods containing a plurality of wave-shaped sections are used for connecting the column rods of adjacent support unitrings, so that the stent is strong in overall anti-extrusion performance and not easy to break, so that wall thickness of the stent can be reduced as much as possible under a condition of maintainingsufficient supporting force, and thrombotic risk and occurrence probability of delayed healing of vascular endothelialization caused by the influence of the wall thickness of the stent can be reduced.

The invention discloses a deep earth bearing detection cable. The invention comprises a triangular skeleton, a plurality of cable core units are arranged in the triangular skeleton, and the cable coreunit comprises copper strands, an insulating layer and an inner shielding layer arranged in order from the inside to the outside. A water-proof layer is filled between the cable core unit and the cable core unit and between the cable core unit and the triangular skeleton, and an outer shielding layer and an armor layer are sleeved on the outer ring of the triangular skeleton in order. The three end corners of the triangular skeleton are all provided with semi-elliptical cushions, which are made of polyurethane material, and the three semi-elliptical cushions are end-to-end connected and located between the triangular skeleton and the outer shielding layer, and a silicon rubber elastic layer is also arranged between the semi-elliptical cushion and the outer shielding layer. When the invention is extruded in the use process, the invention will produce certain elastic deformation to buffer the extruded force; At that same time, the triangular skeleton can effectively prevent the cable core unit from bee extruded, and the invention has strong extrusion resistance and long service life.

The invention discloses a wool felt doll and a making method thereof. The wool felt doll comprises a doll body, wool and decorating parts, wherein the doll body is made of polyurethane sponge. The surface of the doll body is covered with the wool, and the wool penetrates into the doll body through a needle and is fixed. The decorating parts are installed on the doll body. The wool felt doll is high in density, easy to machine and shape, and high in extrusion resisting capability, and has the advantages of being soft, distinct in detail, vivid and the like after being shaped. Obviously, the problem that an existing wool felt doll is difficult to shape is solved, the characteristic that the wool felt doll is soft is also kept, and meanwhile the problem that wool felt dolls are difficult to produce on a large scale is solved. More importantly, the polyurethane sponge is environmentally friendly and nontoxic, namely the wool felt doll made of the polyurethane sponge is suitable for people at all ages, and there is no need to worry that the wool felt doll causes harm to the human body. Besides, the wool felt doll can be manually made in a DIY mode, and requirements of more users are met.

The invention relates to a pressure-tolerant communication perforated pipe. According to the perforated pipe, the problem that a secondary pipe and a main pipe of a present communication perforated pipe are not firmly connected and materials are wasted is solved. The pressure-tolerant communication perforated pipe comprises a main pipe, secondary pipes, a connector and positioning pins. The secondary pipes include five circular pipes with equal diameters. Centers of the five circular pipes with equal diameters are at the same circumference, and two adjacent circular pipes are tangent to each other and are integrated as a whole. A centre hole encircled by the five circular pipes has a regular pentagon structure. The secondary pipes are arranged in the main pipe. The connector is arranged at the end portion of the main pipe. Location holes are disposed along the axial direction of the connector, the main pipe and the secondary pipes. The positioning pins pass through the location holes to connect the connector, the main pipe and the secondary pipes together. According to the pressure-tolerant communication perforated pipe provided by the invention, the secondary pipes and the main pipe are connected fixedly and firmly. The pressure-tolerant capability of the perforated pipeline is strong.

The invention relates to a high-strength optical cable for network equipment. The optical cable comprises an optical cable main body, a reinforced steel wire layer, an outer sheath protecting sleeve,wire cores and reinforced supporting rods, wherein the reinforcing supporting rods are arranged inside the optical cable main body; the wire cores are arranged inside the optical cable main body on one sides of the reinforced supporting rods; the optical cable main body between the wire cores is filled with epoxy resin; the reinforced steel wire layer is arranged on the outer side of the optical cable main body; an insulating layer is arranged on the outer side of the reinforced steel wire layer; a first electromagnetic shielding layer is arranged on the outer side of the insulating layer; a second electromagnetic shielding layer is arranged on the outer side of the first electromagnetic shielding layer; the first and second electromagnetic shielding layers are formed by weaving fabrics with electromagnetic shielding functions; the fabrics comprise fabric bodies; the fabric bodies are polyester fibers; and Cu-Cu composite films are arranged on the surfaces of the fabric bodies.

The invention discloses a door frame and further discloses a molding press door and a preparation method of the molding press door. The door frame comprises a door frame main body and a side frame. Arectangular opening with the size being matched with that of a rectangular door core is formed in the middle of the door frame main body, and a rectangular right-angle groove surrounding the rectangular opening is formed in the obverse side of the door frame main body. The cross section of the right-angle groove is in an L shape, and the right-angle groove comprises a horizontal groove face parallel to the obverse side of the door frame main body and a vertical groove face perpendicular to the obverse side of the door frame main body. The horizontal groove face is covered with the side frame,and the side frame extends out of the horizontal groove face towards rectangular opening to form an abutting-joint part. The thickness of the side frame is smaller than or equal to the height of the vertical groove face. The molding press door formed by assembling the door frame is overall flat and smooth, the stability and strength of the molding press door are enhanced, and the impact-resistantand extruding-resistant properties of the molding press door are also enhanced.