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30results about How to "Rounded structure" patented technology
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Semiconductive EVA plastic shielded flexible cable and manufacturing method thereof
ActiveCN101887771AImprove machinabilityReduce weightNon-insulated conductorsPlastic/resin/waxes insulatorsElectrical conductorPolyvinyl chloride
The invention relates to a flexible cable, in particular a semiconductive EVA plastic shielded flexible cable and a manufacturing method thereof. The cable comprises a copper core conductor (10), and is characterized in that the outer layer of the copper core conductor (10) is successively coated with a polrvinyl chloride insulating layer (20), an aluminium foil nylar (30), a fibrage layer (40), an EVA plastic shielding layer (50) and a polrvinyl chloride outer sheath (60), wherein the six parts are coated from inside to outside layer by layer. The invention adopts a new formula, and coordinates with the related process and manufacturing method to provide a new semiconductive EVA plastic shielded flexible cable which has good machining property, light weight, rounding and compact structure, excellent bending resistance, high strength of extension, excellent shielding property and long service life.
Owner:ANHUI LIANJIAXIANG SPECIAL CABLE
Radio frequency identification remote cable used for base station and manufacturing method thereof
InactiveCN104267473AExcellent adhesionImprove permeabilityFibre mechanical structuresYarnShrinkage rate
The invention discloses a radio frequency identification remote cable used for a base station and a manufacturing method of the cable. The cable comprises a cable jacket, at least one subcable and at least one filling component, wherein the subcables and the filling components are arranged in the cable jacket, the cable jacket is further internally provided with nonmetallic filling yarns, and the outer surface of the cable jacket is provided with a touch identification mark. The manufacturing method comprises the steps of a, production of optical fibers, b, coloring of the optical fibers, c, tight sleeving of the optical fibers, d, formation of subcable jackets, e, formation of the filling components, f, twisting of a cable core, f, coating of the jacket and h, detection and delivery. The surface mark of the radio frequency identification remote cable used for the base station is clear, resistant to wear and falling off, and likely to be distinguished; the hot-shrinkage rate is small on the high-altitude and high-temperature condition, and it is ensured that the cable and the end of a connector are fastened and sealed; the mechanical performance is good, and a good ratproof effect is achieved; the assembly efficiency of the connector in a factory is improved effectively. The manufacturing process is easy to operate, and the production and development investment is low.
Owner:FURUKAWA ELECTRIC XIAN OPTICAL COMM
Neutral cable for deep-sea detection equipment
ActiveCN102751018ARounded structureCompact structureSubmarine cablesFlexible cablesEngineeringAramid
The invention discloses a neutral cable for deep-sea detection equipment and relates to a special cable for oceanographic engineering, which is in particular suitable for the deep-sea detection equipment at the water depth of 500m or deeper. The neutral cable comprises a central filling core, a power unit, a control unit, an optical fiber unit, a ground wire, a filling waterproof material, a radial waterproof lapping layer, an inner sheath, an aramid reinforcing layer and an outer sheath, wherein the power unit, the control unit and the optical fiber unit are spirally stranded at the periphery of the central filling core; the ground wire is distributed in a gap among the power unit, the control unit and the optical fiber unit to form the cable core; the waterproof material is filled in a gap among the central filling core, the power unit, the control unit, the optical fiber unit and the grounding wire of the cable core; the radial waterproof lapping layer is arranged outside the cable core; the inner sheath is extruded outside the radial waterproof lapping layer; the aramid reinforcing layer is wound outside the inner sheath; and the outer sheath is extruded outside the aramid reinforcing layer.
Owner:ZHONGTIAN TECH SUBMARINE CABLE CO LTD
Self-compacting concrete prepared from recycled aggregate and preparation method thereof
The invention relates to the field of dimming films, and particularly discloses self-compacting concrete prepared from recycled aggregate, and the self-compacting concrete prepared from the recycled aggregate comprises 40-50 parts of heat-resistant coarse aggregate, 10-15 parts of modified recycled aggregate, 30-40 parts of fine aggregate, 8-10 parts of cement, 6-10 parts of water, 4-8 parts of mineral powder and 2-5 parts of fly ash. According to the invention, the structure of the recycled aggregate in the self-compacting concrete prepared from the recycled aggregate is optimized, the compactness of the material is improved and capillary pores and microscopic cracks in the recycled aggregate are filled by coating the recycled aggregate with slurry, meanwhile, the structure of the slurry-coated recycled aggregate is round and smooth, pores formed between actually filled materials are small, and thus the compact structure of the self-compacting concrete is further improved, and the mechanical strength of the self-compacting concrete prepared from the recycled aggregate is effectively improved.
Owner:靖江市恒生混凝土制造有限公司
Cable for conduction charge system of electric vehicle
InactiveCN106448843AImprove tensile propertiesImprove anti-sway performanceFlexible cablesMetal/alloy conductorsElectrical conductorInterference resistance
The invention discloses a cable for a conduction charge system of an electric vehicle. The cable for the conduction charge system of the electric vehicle is characterized by comprising at least two conductor cores, a signal core, an inner sheath layer, a shielding layer, a spring and an outer sheath layer. The cable has the functions of improvement of tension resistance and swinging resistance and the beneficial effects of improvement of the roundness of the cable, control on mechanism movement and component positions, buffering and shock absorption, the deformation of the cable can be alleviated under the action of external force, the cable can be rebounded to an original state after the external force is eliminated, and thus the interference resistance and the reciprocation bending property of the wire cable can be improved; and the mechanical property of the cable is improved, and thus the cable is relatively good in vehicle crushing resistance.
Owner:张大明
Electric vehicle charging pile spring cable
InactiveCN106448902AExtended service lifeAvoid damagePower cables including communication wiresPower cables with screens/conductive layersCopper wireWave shape
The invention discloses an electric vehicle charging pile spring cable which comprises charging wires for transmitting electric energy and realizing grounding protection and a shielded wire that is used for confirming a charging connection. The charging wire and the shielding wire are wrapped by nonwoven fabric. A sheath layer is extruded outside the nonwoven fabric. The external surface of the sheath layer is wave-shaped. Furthermore a fluorescent layer is intermittently applied on the external surface of the sheath layer. The cable has a spring shape which freely telescopes. The shielded wire is composed of a twisted pair, aluminum foil mylar which is wound on the twisted pair, a copper wire braiding layer and a middle packaging layer. Compared with the prior art, The electric vehicle charging pile spring cable has advantages of high convenience in use, etc.
Owner:浙江卡迪夫电缆有限公司
Anti-compression tensile high-wear-resistance special super-flexible photoelectric comprehensive communication cable
InactiveCN107154286AImprove solderabilityImprove corrosion resistanceFlexible cablesFlexible conductorsElectromagnetic interferenceEngineering
The invention discloses a pressure-resistant, tensile-resistant, high-abrasion-resistant special super-soft photoelectric integrated communication cable, which includes a cable core composed of a plurality of small signal cables, power cords of various specifications, multi-mode multi-core optical cables and reinforcing cores. Combination structure, in which the multi-mode multi-core optical cable, the strengthening core and several specifications of power lines with smaller diameters are located in the middle of the cable core, and multiple small signal cables and several specifications of power lines with larger diameters surround the outer periphery; outside the cable core In turn, there are polytetrafluoroethylene turning film wrapping layer, reinforcement layer, composite overall shielding layer, and overall sheath. The present invention realizes multiple transmission effects with a special photoelectric integrated cable, not only transmits optical signals, digital signals and electrical signals, but also does not interfere with each other, and at the same time is small in size and light in weight. The optical signal of this mode also transmits the characteristics of electrical signals. Compression resistance, tensile strength, environmental protection, high wear resistance and anti-electromagnetic interference are also excellent performances of this comprehensive cable.
Owner:HUAINAN WENFENG AEROSPACE CABLE CO LTD
Production Technology of Frequency Conversion Cable Used in Coal Mine
InactiveCN109166677AReasonable structural designStable arrangementCable/conductor manufactureInterference resistanceFrequency conversion
The invention discloses a production process of a frequency conversion cable for a coal mine, comprising the following steps of: determining a cable structure; 2, respectively produce a power core, acontrol core and a filling core, and then forming that cable into a cable core; 3, squeeze that inner sheath out of the cable core; 4, manufacture a shielding layer by an inn sheath; 5, squeeze that outer sheath out of the shield layer. The cable structure of the invention is reasonable in design and stable in arrangement, and the produced cable has excellent anti-interference characteristics, voltage impulse resistance, wear resistance, tear resistance and flame retardancy, and the cable is flexible and easy to bend, and is particularly suitable for use in coal mine roadways with bad conditions.
Owner:FAR EAST CABLE +2
Fallopian tube contraceptive device and use method thereof
ActiveCN105769419ASimple structureRounded structureFallopian occludersSide effectContraceptive Devices
The invention discloses a fallopian tube contraceptive device and a use method thereof. The fallopian tube contraceptive device comprises a main body made of an elastic material, wherein the main body is a spherical balloon or a spherical balloon formed by connecting in series and communicating at least two inner cavities sequentially; filler capable of producing solid-liquid phase change in an environment lower than or equal to 36 DEG C is arranged in the inner cavities of the spherical balloon. The fallopian tube contraceptive device adopts one or more spheres connected in series in appearance, the structure is simple, round and full, meanwhile, the use method is quite simple to operate, so that few side effects are produced, and clinical application of the fallopian tube contraceptive device can be promoted effectively.
Owner:杭州万邦天诚药业有限公司
Risperidone-loaded PLGA microsphere mixture and preparation method thereof
InactiveCN110123789AThe preparation process is stableThe preparation process is feasibleOrganic active ingredientsNervous disorderMicrosphereDouble emulsion solvent evaporation
The invention discloses a risperidone-loaded PLGA microsphere mixture and a preparation method thereof. With adopting of an improved double-emulsion-solvent evaporation method, that is, on the basis of the double-emulsion method, an inner core is a sustained-release gel formed by chelation of sodium alginate and calcium ions, PLGA is used as a microsphere carrier, risperidone is a wrapping object,and the drug-loaded microspheres are prepared. The shape is round, the particle size distribution is uniform, the average particle size distribution is about 30 microns, the drug loading amount is 30% or more, the encapsulation efficiency is about 50%, and the drug release in vitro conforms to the characteristics of long-acting preparations.
Owner:山东墨海生物科技有限公司
Cold-resistant data transmission cable
InactiveCN111627604AImprove low temperature resistanceAvoid the defects of poor compatibilityInsulated cablesInsulated conductorsLinear low-density polyethyleneElectrical conductor
The invention discloses a cold-resistant data transmission cable, which comprises a cable core consisting of stranded conductors and filling ropes, and a cold-resistant belting layer, a cold-resistantinner sleeve layer, a metal braided layer and a cold-resistant outer sheath which sequentially wrap the outer side of the cable core, an insulating layer is arranged on the surface of the stranded conductors; raw materials of the cold-resistant inner sheath layer and the cold-resistant outer sheath comprise the following components by weight: 15-40 parts of methyl vinyl phenyl silicone rubber, 25-40 parts of 1, 4-polybutadiene rubber, 10-30 parts of linear low-density polyethylene, 3-9 parts of zinc oxide, 2-6 parts of calcium stearate, 2-8 parts of a cross-linking agent, 1-3 parts of an assistant cross-linking agent and 0.6-2 parts of an anti-aging agent. The content of phenyl in the methyl vinyl phenyl silicone rubber is 5-25%, and the 1, 4-polybutadiene rubber is cis-1, 4-polybutadienerubber. The cold-resistant grade of the cold-resistant data transmission cable can reach -70 DEG C, and the problems that an existing product is flattened and snapped during laying and a sheath cracks during laying and using in severe cold areas are effectively solved.
Owner:JIANGSU HENGTONG WIRE & CABLE TECH
A kind of ultrafine nanoporous metal and preparation method thereof
The invention relates to ultra-fine nano-porous metal and a preparing method thereof. Specifically, amorphous alloy serves as a precursor, elements except Ag, Pt, Pd, Au, Cu, Ni, Ru, Rh, Os, Ir and other precious metal in the alloy are removed through a dealloying method, a nano-porous structure is formed, simple substance metal or alloy serves as band, the characteristic size of the frenula is smaller than 10 nanometers, and the time roughening feature is not obvious. The prepared ultra-fine nano-porous metal is provided with the ultra-fine holes and the frenula, and the integrity and the self-restraint performance of the structure can be still maintained after 70% of the volume is lost. The preparing method is simple, and adaptability is wide.
Owner:BEIHANG UNIV +1
High temperature resistant anti-tearing silicone rubber flexible cable and preparation method thereof
InactiveCN106229047APrevent oxidationNot easily oxidizedNon-insulated conductorsPlastic/resin/waxes insulatorsGlass fiberUltimate tensile strength
The invention discloses a high temperature resistant anti-tearing silicone rubber flexible cable and a preparation method thereof. The cable comprises a cable core and a restrictive coating sequentially arranged from interior to exterior. A knitting layer is arranged outside the restrictive coating. The cable core is formed by stranding a plurality of core bodies at a time. Gaps in the cable core are filled with glassfiber cords. The longitudinal stretching strength of the glassfiber cords is larger than 5000 Mpa, and the stretching modulus is larger than 90 Gpa. Compared with the prior art, the cable has the advantages of resisting high temperature and friction, being good in flexibility and the like.
Owner:SHANGHAI CARDIFF CABLE
Semiconductive EVA plastic shielded flexible cable and manufacturing method thereof
ActiveCN101887771BImprove machinabilityReduce weightNon-insulated conductorsPlastic/resin/waxes insulatorsElectrical conductorAlclad
Owner:ANHUI LIANJIAXIANG SPECIAL CABLE
Aluminum alloy torsion cable for wind power generation and crimping method
InactiveCN113140362AReduce weightLow costCoupling device engaging/disengagingFlexible cablesElectrical conductorEngineering
The invention discloses an aluminum alloy torsion cable for wind power generation and a crimping method, the aluminum alloy torsion cable comprises an aluminum alloy torsion cable and a connecting terminal, and the aluminum alloy torsion cable comprises a main wire core conductor, a reinforced non-woven fabric layer, a waterproof adhesive layer, an insulating layer, a metal wire braided shielding layer, an inner protection layer and an outer protection layer which are sequentially arranged from inside to outside; and the connecting terminal comprises a copper-aluminum terminal, an aluminum alloy bolt and a gasket. .The cable is provided with the terminal, is convenient to install, is high in cost performance, is directly fastened through the aluminum alloy bolt during connection, is buffered through the gasket, increases the compactness, improves the tensile strength, is simple and reasonable in overall structure, can completely or partially replace a conventional copper torsion cable, reduces the weight of the cable, and improves the electrical performance and torsion resistance of the cable The tensile and load bearing characteristics of the aluminum conductor are also improved, and terminal crimping is facilitated; the cable has good waterproof performance and shielding performance; and the processing technology is simple and feasible, and the wire harness crimping of the aluminum alloy torsion cable can be rapidly realized.
Owner:FAR EAST CABLE +2
Single-core cable for new energy single-rail railway system
PendingCN110176326AReasonable structural designStable structureDetails of conductive coresFlexible cablesFiberCross-link
The invention discloses a single-core cable for a new energy single-rail railway system. The single-core cable comprises a conductor, wherein a halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin insulating layer, a glass fiber band-added ceramic silicone rubber belt fireproof layer, a tinned copper wire braided shielding layer, a nano silicon waterproof glue filling layer,an aluminum alloy tape interlocking armor layer and a halogen-free low-smoke flame-retardant irradiation cross-linked polyolefin sheath layer are sequentially coated on the outer side of the conductor; the structure design is reasonable, and the conductors are regularly twisted by adopting a tin-plated soft copper wire small gauge in a layered mode; the twisting direction of the outermost layer isa left direction, and the twisting pitch of the middle layer is larger than the twisting pitch of the outermost layer; the conductor structure is optimized and designed, so that the conductor is stable in structure, round and compact, not prone to loosening, and capable of being repeatedly bent and dragged without deformation. The glass fiber band-added ceramic silicone rubber belt fireproof layer, the nano silicon waterproof glue filling layer and the aluminum alloy tape interlocking armor layer are added, so that the performances of fire resistance, water resistance, compression resistance,tensile strength and distortion resistance of the cable are greatly improved.
Owner:东方交联电力电缆有限公司
Neutral cable for deep-sea detection equipment
ActiveCN102751018BRounded structureCompact structureSubmarine cablesFlexible cablesOcean seaEngineering
The invention discloses a neutral cable for deep-sea detection equipment and relates to a special cable for oceanographic engineering, which is in particular suitable for the deep-sea detection equipment at the water depth of 500m or deeper. The neutral cable comprises a central filling core, a power unit, a control unit, an optical fiber unit, a ground wire, a filling waterproof material, a radial waterproof lapping layer, an inner sheath, an aramid reinforcing layer and an outer sheath, wherein the power unit, the control unit and the optical fiber unit are spirally stranded at the periphery of the central filling core; the ground wire is distributed in a gap among the power unit, the control unit and the optical fiber unit to form the cable core; the waterproof material is filled in a gap among the central filling core, the power unit, the control unit, the optical fiber unit and the grounding wire of the cable core; the radial waterproof lapping layer is arranged outside the cable core; the inner sheath is extruded outside the radial waterproof lapping layer; the aramid reinforcing layer is wound outside the inner sheath; and the outer sheath is extruded outside the aramid reinforcing layer.
Owner:ZHONGTIAN TECH SUBMARINE CABLE CO LTD
Shallow seabed symmetric audio communication cable and manufacture method thereof
InactiveCN103050182BImprove mechanical propertiesTo ensure the reduction of inherent attenuationSubmarine cablesCable/conductor manufactureOcean bottomCopper conductor
The invention relates to a shallow seabed symmetric audio communication cable and a manufacture method thereof. A high pressure polyethylene insulation layer is extruded outside a copper conductor to form an insulated wire core, four insulation cores with different colors are twisted into star quads, the four star quads are respectively wound outside a polyethylene pad core, a measurement copper wire is arranged in the polyethylene pad core, signal wires are respectively arranged between the peripheries of every two adjacent star quads and are twisted into a core, and a polyester film strip, a high pressure polyethylene sheath, a first impregnated hemp rope, a first asphalt coating layer, a copper alloy wire anchoring layer, a second asphalt coating layer, a second impregnated hemp rope lining layer, a third asphalt coating layer, an aluminum magnesium alloy plated steel wire anchoring layer, a fourth asphalt coating layer, a first impregnated gird layer, a fifth asphalt coating layer, a second impregnated gird layer, a sixth asphalt coating layer and a plastic film adhering-preventing layer are sequentially coated on the periphery of the core. The shallow seabed symmetric audio communication cable is capable of transmitting communication and control signals, and has the advantages of stable structure, seepage prevention, corrosion resistance, good pulling resisting property, and stable signal transmission during water impaction.
Owner:JIANGSU YUANYANG DONGZE CABLE
Throw-in type fruit and vegetable cleaning machine
PendingCN112914391AImprove cleanlinessAvoid secondary pollutionKitchen equipmentFood treatmentFiberActivated carbon
The invention discloses a throw-in type fruit and vegetable cleaning machine, and relates to the technical field of fruit and vegetable cleaning, the throw-in type fruit and vegetable cleaning machine comprises a main body and a bottom plate, an air inlet pipe is mounted on one side of the main body, a sealing ring is connected in the air inlet pipe, a physical filter is mounted at the outer end of the air inlet pipe, and activated carbon fibers are arranged in the physical filter; a reinforcing block is installed below the main body, a through hole is formed in the surface of the reinforcing block, a connecting block is arranged at the bottom of the reinforcing block, and a clamping groove is formed in the surface of the connecting block. As the cleaning machine is put into water to work, an adopted main body is of an integrated waterproof shell structure. Multiple sealing rings are arranged at the connecting position of the shell and the air inlet pipe, so that the device has good sealing and waterproof performance, a sealing plate is arranged in the air outlet in cooperation, the sealing plate is made of special materials, gas molecules can be discharged through the sealing plate, water molecules cannot enter the main body through the sealing plate, therefore the sealing performance of the main body is improved, and the working stability of the device is ensured.
Owner:颜加兵
Anti-radiation and high-wear-resistance flexible cable
InactiveCN108597671AImprove conductivityImprove thermal conductivityExtensible conductorsExtensible conductor cablesYarnElectrical conductor
The invention discloses an anti-radiation and high-wear-resistance flexible cable, which consists of a conductor, an insulating layer, a composite main shield, a wrapping layer and a sheath layer frominside to outside, wherein the conductor is formed by stranding multiple strands of silver-coated annealed copper wires; the insulating layer is made of a crosslinked ethylene-tetrafluoroethylene copolymer; the composite main shield is formed by twisting an aluminum-plastic composite thin film and a silver-coated annealed copper wire; the wrapping layer is formed by wrapping a layer of halogen-free flame-retardant high-temperature-resistant woven belt; and the sheath layer is made of KEVLAR aramid yarn. The anti-radiation and high-wear-resistance flexible cable can meet the requirement for electrical property and also can meet high-temperature resistance, small size, light weight, flame retardancy, high wear resistance and chemical stability. The cable can keep the specific flexibility and high dielectric strength in extremely complicated and severe environments with various rays and ultraviolet radiations in the aerospace field.
Owner:HUAINAN WENFENG AEROSPACE CABLE CO LTD
Rail transit vehicle cable with rated AC voltage of 3kV or below
PendingCN110189856AReasonable structural designConductor structure optimizationPlastic/resin/waxes insulatorsPower cablesCopper wireVoltage
The invention discloses a rail transit vehicle cable with rated AC voltage of 3kV or below, comprising a conductor which is coated with a fireproof layer and an insulating outer sheath in turn. The specification of the conductor is 16mm<2> or below. The conductor is formed by stranding tin-plated soft copper wires based on layering and small pitch. The center layer includes one tin-plated copper wire. The conductor has four layers, which are composed of 6, 12, 18 and 24 tin-plated copper wires respectively. The tin-plated copper wires in the outermost layer are stranded to the left. The tin-plated copper wires in the middle layers are stranded to the right, to the left and to the right respectively from outside to inside. The stranding pitches of the middle layer are not more than 14 timesof the outer diameter of stranding, and the stranding pitch of the outermost layer is not more than 10 times of the outer diameter of stranding. The structure design is reasonable, and the conductorstructure is optimized, so that the conductor structure is stable, round and compact, does not loosen easily and can be repeatedly bended and dragged without deformation.
Owner:东方交联电力电缆有限公司
Photoelectric composite cable
ActiveCN110718327ARounded structureEasy to fixPlastic/resin/waxes insulatorsInsulated cablesEngineeringCore (optical fiber)
The invention discloses a photoelectric composite cable, and the cable comprises a cable core and a central reinforcement part (6), and is characterized in that the cable core comprises a plurality ofelectric units (24) and an optical unit; an insulating layer (25) is arranged outside each electric unit (24); the optical unit comprises a sleeve (26) and a plurality of optical fibers positioned inthe sleeve (26); a water-blocking tape (3) is longitudinally wrapped outside the cable core; and a stainless steel band (23), a polyethylene sheath (22) and a nylon sheath (21) are sequentially arranged outside the water-blocking tape (3). The photoelectric composite cable disclosed by the invention has the characteristics that each unit is fixed stably, the mechanical property can be met, the environmental property can be met and the like.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI +1
A rope-driven harvesting robot end effector
Owner:ZHEJIANG SCI-TECH UNIV
A hybrid loose-tube layer-stranded optical cable and its manufacturing method
Owner:FURUKAWA ELECTRIC XIAN OPTICAL COMM
Cable for nuclear power station
InactiveCN112309628AImprove electrical performanceImprove insulation performanceClimate change adaptationInsulated cablesInsulation layerElectrical conductor
The invention discloses a cable for a nuclear power station. The cable for the nuclear power station comprises a plurality of strands of conductors, a high insulation layer, a first insulation layer,a second insulation layer, a filling layer, a shielding layer, a sheath, a winding armor layer, a protection layer and an outer sheath layer. The conductor is coated with the high insulation layer, the high insulation layer is coated with the first insulation layer, the first insulation layer is coated with the second insulation layer, the multi-strand conductors, the high insulation layer, the first insulation layer and the second insulation layer form insulation wire cores, the filling layer fills the gap among the insulation wire cores, and the filling layer is coated with the shielding layer. The sheath, the winding armor layer, the protection layer and the outer sheath layer sequentially coat the shielding layer. The insulation wire core can be well protected, and the cable has excellent high temperature resistance, flame retardant property, radiation aging resistance and mechanical property.
Owner:新亚特电缆股份有限公司
An optoelectronic composite cable
ActiveCN110718327BRounded structureEasy to fixPlastic/resin/waxes insulatorsInsulated cablesEngineeringWater block
The invention discloses a photoelectric composite cable, comprising a cable core and a central reinforcement (6), characterized in that the cable core comprises a plurality of electrical units (24) and an optical unit; each of the electrical units (24 ) is provided with an insulating layer (25) outside, and the optical unit includes a sleeve (26) and a number of optical fibers located in the sleeve (26); a water-blocking tape (3) is longitudinally wrapped outside the cable core; A stainless steel belt (23), a polyethylene sheath (22) and a nylon sheath (21) are sequentially provided outside the water blocking belt (3). The photoelectric composite cable of the present invention has the characteristics that each unit is fixed and stable, and can meet not only mechanical performance, but also environmental performance and the like.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI +1
A split type arc bottom steel box girder
ActiveCN111636287BRounded structureStable structureBridge materialsBridge engineeringClassical mechanics
The application relates to a split-type arc bottom steel box girder, which relates to the field of bridge engineering. The steel box girder includes n boxes and n-1 cross beams between boxes, n≥2, and any two adjacent boxes pass through one The cross beams between the boxes are connected, and the connection section between the bottom plate of the box and the beam between the boxes is arc-shaped, and the reinforced structure is arranged at the connection between the bottom plate of the box and the bottom plate of the beam of the beam between the boxes, and the reinforced structure The components are arranged on the inner side of the bottom plate of the box body. The present application solves the technical problem of poor vortex vibration performance of the split steel box girder.
Owner:CHINA MAJOR BRIDGE ENERGINEERING
Cable applied to battery voltage sampling of new energy electric vehicle and production process thereof
PendingCN113436796AStable capacitanceStable inductanceInsulated cablesCable/conductor manufactureCapacitancePower battery
The invention provides a cable applied to battery voltage sampling of a new energy electric vehicle and a production process of the cable. A core wire cluster is an inner-layer core wire cluster formed by positively twisting a plurality of inner-layer core wires, and a plurality of outer-layer core wires which are reversely twisted and wrap the inner-layer core wire cluster are adopted, so that the structure of the core wire cluster is round and neat, and when the bending radius is too small or the wiring harness installation space of a power battery of the electric vehicle is narrow, the core wire is not liable to be discontinuously crushed and loosened, and accordingly the stability of capacitance, inductance and resistance of the core wire is ensured, and the voltage acquisition accuracy of the power battery of the electric vehicle is improved. The invention belongs to the technical field of wires and cables.
Owner:珠海中盛电线电缆有限责任公司
Shallow seabed symmetric audio communication cable and manufacture method thereof
InactiveCN103050182AImprove physical and mechanical propertiesHigh bending fatigue resistanceSubmarine cablesCable/conductor manufactureOcean bottomCopper conductor
The invention relates to a shallow seabed symmetric audio communication cable and a manufacture method thereof. A high pressure polyethylene insulation layer is extruded outside a copper conductor to form an insulated wire core, four insulation cores with different colors are twisted into star quads, the four star quads are respectively wound outside a polyethylene pad core, a measurement copper wire is arranged in the polyethylene pad core, signal wires are respectively arranged between the peripheries of every two adjacent star quads and are twisted into a core, and a polyester film strip, a high pressure polyethylene sheath, a first impregnated hemp rope, a first asphalt coating layer, a copper alloy wire anchoring layer, a second asphalt coating layer, a second impregnated hemp rope lining layer, a third asphalt coating layer, an aluminum magnesium alloy plated steel wire anchoring layer, a fourth asphalt coating layer, a first impregnated gird layer, a fifth asphalt coating layer, a second impregnated gird layer, a sixth asphalt coating layer and a plastic film adhering-preventing layer are sequentially coated on the periphery of the core. The shallow seabed symmetric audio communication cable is capable of transmitting communication and control signals, and has the advantages of stable structure, seepage prevention, corrosion resistance, good pulling resisting property, and stable signal transmission during water impaction.
Owner:JIANGSU YUANYANG DONGZE CABLE
Self-compacting concrete prepared from recycled aggregate and preparation method thereof
This application relates to the field of light-adjusting films, and specifically discloses a self-compacting concrete prepared from recycled aggregates. The self-compacted concrete prepared from recycled aggregates includes: 40-50 parts of heat-resistant coarse aggregate, 10-15 parts of modified Recycled aggregate, 30-40 parts of fine aggregate, 8-10 parts of cement, 6-10 parts of water, 4-8 parts of mineral powder and 2-5 parts of fly ash. This application optimizes the structure of recycled aggregate in self-compacting concrete with recycled aggregate configuration. By coating it with grout, the compactness of the material is improved, and the capillary pores and microscopic cracks in the recycled aggregate are filled, and at the same time, it is coated with grout The post-recycled aggregate structure is round, and the pores formed between the actual filled material and the material are small, thereby further improving the compact structure of self-compacting concrete, and effectively improving the mechanical strength of self-compacting concrete prepared with recycled aggregate.
Owner:靖江市恒生混凝土制造有限公司
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