30results about How to "Rounded structure" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.