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46results about How to "Little change in appearance" patented technology

Tensioning and anchoring device for prestressed fiber cloth reinforced beams and construction method of device

The invention discloses a tensioning and anchoring device for prestressed fiber cloth reinforced beams and a construction method of the device. The device comprises fixed supports, a fixed end anchorage device, a tensioning end anchorage device, clamping pieces, short anchoring screws, long anchoring screws, chemical bolts, fiber cloth, a prestress application frame and a jack, wherein the fixed supports, the fixed end anchorage device and the tensioning end anchorage device are cuboid; the fixed supports are fixed with a to-be-reinforced beam through the chemical bolts; the fixed end anchorage device and the tensioning end anchorage device are connected with the fixed supports through the short anchoring screws and the long anchoring screws respectively; a rectangular through seam allowing the fiber cloth to pass is formed in the fixed end anchorage device; wedge-shaped holes allowing insertion of the clamping pieces are formed in the tensioning end anchorage device, and the clampingpieces are wedged into the wedge-shaped holes, so that clamping of the fiber cloth is realized. The construction method comprises steps as follows: firstly, the anchorage devices are mounted, then thefixed supports are assembled and the anchorage devices are fixed, finally, the prestress application frame and the jack are mounted, and tensioning and anchoring are implemented. The device is reasonable and simple in structure and convenient to operate and can be reused, and the applied prestress is large.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Conductive foam and fabrication method thereof

The invention discloses conductive foam and a fabrication method thereof. The conductive foam comprises an elastic body, a bonding layer and a shielding layer, wherein the bonding layer wraps the outer surface of the elastic body, the elastic body, the bonding layer and the shielding layer are sequentially arranged from inside to outside, the shielding layer is provided with a high-molecular polymer film and a metal layer from inside to outside, and a processing agent layer is arranged between the high-molecular polymer film and the bonding layer and used for improving the surface activity of the high-molecular polymer film. With a mode of additionally arranging the processing agent layer, the surface activity of the high-molecular polymer film is improved, the high-molecular polymer film is more tightly and firmly bonded with the elastic body by the bonding layer, a permeating bonding effect is formed between the bonding layer and the high-molecular polymer film, a tiny gap is eliminated, and the high-molecular polymer film is difficult to pop from the elastic body in a high-temperature environment.
Owner:SHENZHEN HFC SHIELDING PRODS CO LTD

Construction method of prestressing force fiber cloth reinforcing column adopting detachable tensioning anchorage device

The invention discloses a construction method of a prestressing force fiber cloth reinforcing column adopting a detachable tensioning anchorage device. A prestressing force fiber cloth tensioning andanchoring device adopting a detachable tensioning anchorage device comprises two anchor plates, two clamping plates, two tensioning anchorage devices, two tensioning screw rods, two anchoring screw rods and a fiber cloth. The construction method comprises the following steps of determining a position to be reinforced, performing grinding, performing hole repairing, and coating an epoxy glue layer;then completing the connection of the fiber cloth with the tensioning anchorage devices, as well as the connection of the anchor plates with the clamping plates; wrapping the position to be reinforced and coated with the epoxy glue layer with the connected fiber cloth; screwing the tensioning screw rods to exert prestressing force on the fiber cloth; synchronously screwing the anchoring screw rods to maintain the prestressing force on the fiber cloth; unscrewing big bolts between the tensioning anchorage devices and the clamping plates; and discharging the tensioning anchorage devices and thetensioning screw rods, so that the reinforcing construction of a reinforced concrete pier can be realized. The construction method disclosed by the invention is good in reinforcing effects and convenient to operate; and the tensioning anchorage devices and the tensioning screw rods can be disassembled and repeatedly used, so that the cost is saved.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Storage and preservation method of mandarin orange

The invention discloses a storage and preservation method of mandarin orange. The method includes the following steps: (1) pretreatment: soaking picked fresh mandarin orange in a bactericide for 1 minute, taking out, and immediately drying; (2) coating: soaking the pretreated mandarin orange in a film forming agent for 3-5 minutes, taking out, drying the outer skin of the mandarin orange and placing the dried mandarin orange on the surface of the mandarin orange to form a film; (3) placing absorbent paper sprayed with plant essential oil in a nano fresh-keeping bag, placing the mandarin orange with the film on the surface in the step (2) into the fresh-keeping bag, sealing the fresh-keeping bag, and refrigerating at 4-6 DEG C. The method can effectively kill harmful bacteria, spores and other microorganisms on the mandarin orange, prevent the deterioration and decay of the mandarin orange caused by the reproduction of harmful microorganisms, prolong the shelf life and storage period of the mandarin orange, and has far-reaching and positive effects on improving the economic benefits of the citrus planting industry.
Owner:广西壮族自治区农业科学院园艺研究所

Detachable fiber cloth prestressed tensioning and anchoring device

The invention discloses a detachable fiber cloth prestressed tensioning and anchoring device. The detachable fiber cloth prestressed tensioning and anchoring device comprises two anchoring plates, twoclamping plates, two tensioning anchorage devices, two tensioning screws, two anchoring screws and a fiber cloth. The two ends of the fiber cloth are coated with glue and then wind around the anchoring plates by two circles, the anchoring plates and the clamping plates are fixedly connected through small bolts, and the fiber cloth winds around the anchoring plates the clamping plates by two circles. The anchoring plates, the clamping plates and the tensioning anchorage devices are fixedly connected through large bolts. The tensioning screws penetrate into tensioning screw holes of the tensioning anchorage devices, and the tensioning screws are tightened to apply prestress on the fiber cloth. The surface of the fiber cloth is coated with glue, and then the anchoring screws penetrate into anchoring screw holes in the anchoring plates. The anchoring screws are tightened synchronously so as to keep the prestress on the fiber cloth. After the glue on the fiber cloth is solidified, the large bolts between the tensioning anchorage devices and the clamping plates are loosened, and the tensioning anchorage devices and the tensioning screws are unloaded. According to the detachable fiber cloth prestressed tensioning and anchoring device, the reinforcing effect is good, the structure is simple, and operating is convenient; and the tensioning screws and the tensioning anchorage devices can be detached and reused, and the cost is saved.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Construction method for strengthening concrete beam through multi-layer prestressed fiber cloth

ActiveCN110029594AReduce forceImprove anchoring reliabilityBuilding repairsBridge erection/assemblyPre stressFiber
The invention discloses a construction method for strengthening a concrete beam through a multi-layer prestressed fiber cloth. A tensioning and anchoring device of a multi-layer prestressed fiber cloth reinforced beam is arranged, and includes a fixed end support, a tensioning end support, a fixed end anchor, a tensioning end anchor, a clamping piece, an anchoring short screw, an anchoring long screw, a chemical bolt, a fiber cloth, a prestressed applied frame and a jack. Tensioning and anchoring of the fiber cloth are realized by the tensioning and anchoring device of the multi-layer prestressed fiber cloth reinforced beam. According to the construction method, operation is convenient, large prestress can be applied, the multi-layer fiber cloth has uniform stress and the equal length, andmeanwhile, the prestressed applied frame can be reused.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Preparation method and application of oil resistant rubber applied under railroad switch

The invention discloses an oil resistant rubber applied under a railroad switch. The oil resistant rubber comprises, by weight, 100 parts of acrylonitrile-butadiene rubber N41 as a big material, 45-65 parts of reinforcing agent and 15-25 parts of anti-wearing agent as middle materials, 4-8 parts of vulcanizing agent, 3-5 parts of accelerant, 1-4 parts of anti-aging agent, 2-4 parts of coupling agent and 1 part of octadecanoic acid as small materials. The invention further provides a preparation method and application of the oil resistant rubber applied under the railroad switch. The oil resistant rubber applied under the railroad switch has the advantages of being good in performance, and high in cost effectiveness. The novel type oil resistant rubber cushion plate applied under railroad switch prepared by using the oil resistant rubber applied under railroad switch can fully meet the railway industry standard TB/T2626-1995 and the high speed railway standard TB/T3395.(1-5) 2015 technical standard, and has little appearance change and stable physical properties, has an oil resistant index more than four times higher than the traditional rubber cushion plate applied under the railroad switch, has an oil absorption rate below 1.53-2.96%, which all prolong the service life of the rubber cushion plate applied under the railroad switch.
Owner:武威复兴华通铁路器材有限公司 +1

Low-filling efficient synergistic flame-retardant nylon 66 and preparation method thereof

PendingCN114133734AImprove mechanical propertiesSolve the problem of mechanical performance degradationAluminium hydroxideAntioxidant
The invention belongs to the technical field of modified nylon materials, and particularly relates to low-filling efficient synergistic flame-retardant nylon 66 and a preparation method thereof. The low-filling efficient synergistic flame-retardant nylon 66 comprises the following components in parts by mass: 88-92 parts of nylon 66; 6.5 to 10 parts of a composite flame retardant; 0.1 to 0.2 part of a dispersant; 0.1 to 0.2 part of an antioxidant; 0.7 to 3 parts of an inorganic nano filler; wherein the composite flame retardant comprises the following components in parts by mass: 2-4 parts of aluminum hypophosphite; 0 to 1 part of hexaphenoxy cyclotriphosphazene; 1 to 3 parts of aluminum diethyl hypophosphite; 0-2 parts of ammonium polyphosphate; 0 to 3.5 parts of nano aluminum hydroxide; and 0-2 parts of magnesium oxide. The inorganic nano filler comprises nano silicon dioxide with the particle size of 10-50nm, montmorillonite and nano aluminum oxide. The flame-retardant nylon 66 at least comprises one or more of the composite flame retardant and the inorganic nano filler, when the adding amount of the composite flame retardant is 10% or below, the flame-retardant level of the prepared flame-retardant nylon 66 can reach the UL94 V-0 level, and the tensile strength and the impact strength of the prepared flame-retardant nylon 66 are greatly improved.
Owner:INST OF NEW MATERIALS & IND TECH WENZHOU UNIV

Tensioning and anchoring device for multi-layer pre-stressed fiber cloth reinforced beam

ActiveCN110029593AImprove reliabilitySolve the problem of unequal lengthBridge erection/assemblyBridge strengtheningFiberPre stress
The invention discloses a tensioning and anchoring device for a multi-layer pre-stressed fiber cloth reinforced beam. The tensioning and anchoring device comprises a fixing end supporting seat, a tensioning end supporting seat, a fixing end anchorage, a tensioning end anchorage, clamping sheets, an anchoring long screw rod, an anchoring short screw rod, chemical bolts, fiber cloths, a pre-stress applying frame and a jack; each of the fixing end supporting seat and the tensioning end supporting seat is a T-shaped body, each of the fixing end anchorage and the tensioning end anchorage is in a cuboid shape, the fixing end supporting seat and the tensioning end supporting seat are fixed to a to-be-reinforced beam through the chemical bolts, the fixing end anchorage is connected with the fixingend supporting seat through the anchoring short screw rod, and the tensioning end anchorage is connected with the tensioning end supporting seat through the anchoring short screw rod; and the fiber cloths are clamped by the two clamping sheets, thus the fiber cloths are wedged into a wedge-shaped through seam in the tensioning end anchorage, and thus the fiber cloths are anchored. The tensioningand anchoring device is simple in structure and convenient to operate, the multiple layers of the fiber cloth are subjected to force evenly, the high prestress can be applied, and the pre-stress applying frame can be repeatedly used.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Construction method for strengthening reinforced concrete pier column by using prestressed fiber fabrics

The invention discloses a construction method for strengthening a reinforced concrete pier column by using prestressed fiber fabrics. A prestressed fiber fabric strengthening device is arranged. The prestressed fiber fabric strengthening device comprises two jacket plates, two wedge sheets, two threaded rods and fiber fabrics; the fiber fabrics are wound on the wedge sheets for two circles; the wedge sheets wound with the fiber fabrics are inserted into wedge sheet grooves in bodies of the jacket plates; the fiber fabrics are wound on the jacket plates for two circles; and the other ends of the fiber fabrics are treated by using the same mode. The fiber fabrics connected with the jacket plates and the wedge sheets surround the strengthened reinforced concrete pier column for one circle. Threaded rod holes in jacket plate anchoring heads at the upper and lower ends of the two jacket plates are aligned with each other; the two threaded rods penetrate into the threaded rod holes in the jacket plate anchoring heads; and the two threaded rods are synchronously tightened to apply prestress to the fiber fabrics so as to finish reinforcing construction to the reinforced concrete pier column. The prestressed fiber fabric strengthening device used by the construction method for strengthening the reinforced concrete pier column by using the prestressed fiber fabrics has the advantages ofsimple structure, convenient construction method operation and high implementing efficiency.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Seabuckthorn freeze drying method

The invention discloses a seabuckthorn freeze drying method. The method includes the following steps: (1) pretreatment: washing the seabuckthorn, draining the water, performing ultraviolet irradiation, and after refrigeration, rotating the material by a rotating sieve; (2) pre-freezing: cooling the pretreated seabuckthorn to -35 to -40 DEG C, and then maintaining for 2 to 3 hours; (3) sublimationdrying: firstly maintaining at 3 to 4 hours at -30 to -35 DEG C and 70 to 90 Pa; then maintaining for 2 to 3 hours at -24 to -28 DEG C and 30 to 50 Pa; then maintaining at 22 DEG C and 25 Pa for 6h; finally, continuously keeping the pressure of 25 Pa and heating to 30 DEG C, and completing the freeze drying; and (4) performing analytical drying. The method provided by the invention is carried outby pre-treatment of ultraviolet irradiation and rotary sieve rotation on seabuckthorn, and is carried out in stages during sublimation drying, the loss of nutrients in seabuckthorn by traditional freeze-drying is significantly reduced, the appearance and shape of seabuckthorn are small, and the utilization rate of raw materials is high.
Owner:青海青藏高原健康科技有限公司

Beer rich in red wine polyphenols and preparation method of beer

ActiveCN107446734APreserve the flavorImprove cardiovascularBeer brewingFlavorBlood pressure
The invention relates to a beer rich in red wine polyphenols. The beer contains the red wine polyphenols. When drinking the beer rich in red wine polyphenols disclosed by the invention, a drinker can enjoy beer flavor and can also obtain health benefits of improving heart and blood vessels, reducing blood pressure and the like at the same time. Besides, a preparation method of the beer disclosed by the invention is simple and convenient; and the prepared beer does not have great appearance changes, the taste of the prepared beer is basically the same as that of an ordinary beer, the mouth feel is not influenced, and the most original flavor of the beer can be retained.
Owner:李安国
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