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203results about "Suspension/strain insulators" patented technology
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Extra-high voltage icing flashover prevention composite insulator
The invention relates to the technical field of insulators, and discloses an extra-high voltage icing flashover prevention composite insulator which comprises a core rod, a first umbrella skirt, a second umbrella skirt, a third umbrella skirt and connecting fittings, the first umbrella skirt, the second umbrella skirt and the third umbrella skirt are distributed at intervals in the axial direction of the core rod, and the connecting fittings are arranged at the two ends of the core rod; the radial size of the first umbrella skirt is larger than that of the second umbrella skirt, the radial size of the second umbrella skirt is larger than that of the third umbrella skirt, one first umbrella skirt, at least one second umbrella skirt and at least one third umbrella skirt form an umbrella skirt group, and the first umbrella skirt is located at the upper part of the umbrella skirt group; the first umbrella skirt is provided with a bulged surface with a high middle and a low periphery, the bulged surface is convexly provided with a plurality of diversion ribs, each diversion rib is provided with a first end and a second end, and the diversion ribs are arranged obliquely to the radial direction of the first umbrella skirt; the projections of the plurality of diversion ribs of two adjacent first umbrella skirts in the radial cross section are distributed at intervals in the circumferential direction. Water can be quickly drained, icing is reduced, ice ridge bridging is inhibited, and the device is suitable for extra-high voltage re-icing scenes.
Owner:STATE GRID ECONOMIC TECH RES INST CO LTD +1
Composite insulator and preparation method thereof
The invention relates to the technical field of insulators, in particular to a composite insulator and a preparation method thereof. The composite insulator comprises an insulator main body and vulcanized silicone rubber coating the insulator main body, the vulcanized silicone rubber is prepared from the following components in parts by weight: 60 to 70 parts of methyl vinyl silicone rubber, 10 to 20 parts of ethylene propylene diene monomer, 5 to 10 parts of modified glass fiber, 20 to 30 parts of filler, 0.3 to 0.5 part of simethicone, 1 to 5 parts of compatilizer, 3 to 5 parts of stearic acid and 1 to 3 parts of vulcanizing agent, a preparation process of the modified glass fiber comprises the following steps: adding polyimide, a silane coupling agent and humic acid into absolute ethyl alcohol, uniformly mixing, adding glass fiber, heating for reaction, and calcining to obtain the modified glass fiber. The composite insulator has good mechanical performance, corona resistance and anti-pollution flashover performance.
Owner:LUOYANG LONGYU ELECTRICAL EQUIP +1
Automatic cementing equipment for extra-high voltage suspension insulator
The invention relates to the technical field of suspension insulator cementing, in particular to extra-high voltage suspension insulator automatic cementing equipment which comprises a first plate body and a second plate body and is characterized in that an adjusting mechanism is arranged on the surface of the second plate body, and sliding mechanisms are arranged on the sides, close to each other, of the first plate body and the second plate body. A rack, a circular gear, a rotating disc and the like are arranged, an insulator porcelain piece, a metal iron cap and a steel foot are fixed to a limiting groove through a limiting clamp, the rack is driven to move through the telescopic end of an electric telescopic rod, the circular gear is driven to rotate through movement of the rack, and therefore an inserting block is driven to rotate; the rotating disc can be driven to rotate through rotation of the inserting block, and the insulator porcelain piece, the metal iron cap and the steel foot are driven to rotate through rotation of the rotating disc, so that rotary cementing is facilitated, the glue injection thickness deviation of a connecting surface is reduced, and the cementing effect is improved.
Owner:JIANGSU SOUTH PORCELAIN INSULATOR CO LTD
Ten-bundle conductor strain insulator string suitable for ultrahigh altitude
The utility model discloses a ten-bundle conductor tension string suitable for ultrahigh altitude, which belongs to the technical field of tension strings and comprises two groups of tension string units. The tension string unit comprises two insulator strings which are arranged in parallel at an interval; one end of the insulator string is connected with an iron tower cross arm through the hanging point side fitting, and the other end of the insulator string is connected with a lead through the lead side fitting; the wire side fitting is provided with a shielding ring assembly. The wire side fitting is also provided with a grading ring which is wound on the tension string unit. According to the ten-bundle conductor strain insulator string suitable for the ultrahigh altitude, the structure can ensure that the electromagnetic environment and the air gap of a power transmission line do not exceed the limit under the condition of the ultrahigh altitude, the ecological environment protection requirement is met, and the engineering construction, the economic development and the ecological environment protection are organically combined.
Owner:SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
Alternating-current rod-shaped suspension type composite insulator and preparation method thereof
The invention relates to the technical field of insulators, and discloses an AC rod-shaped suspension type composite insulator and a preparation method thereof, and the preparation method comprises the following steps: mixing and stirring an umbrella skirt raw material and a reinforcing material to obtain a premix, mixing the premix to form a rubber compound, and vulcanizing the rubber compound to obtain an umbrella skirt; after the hardware fitting flanges are connected to the upper end and the lower end of the core rod in a pressing mode, the surface of the core rod is coated with an insulator adhesive, the core rod is covered with the umbrella skirts, and the composite insulator is obtained through compaction and drying. The umbrella skirt raw material and the reinforcing material are mixed to serve as an insulator umbrella skirt which is adhered to the core rod, and the prepared alternating-current rod-shaped suspension type composite insulator has excellent mechanical strength, hydrophobic performance, heat-resistant stability and insulating performance.
Owner:HEBEI ZHONGBEI ELECTRIC POWER ARMOR CLAMP CO LTD
Adjustable combined insulator casting device
The invention relates to the technical field of insulator casting, in particular to an adjustable combined insulator casting device. Comprising an adjustable casting device and a discharging mechanical arm arranged on the discharging side of the adjustable casting device, and further comprises a treatment box. The side part of the treatment box is provided with a connected film treatment mechanism, and the connected film treatment mechanism is used for removing connected films among the umbrella skirts and blowing the umbrella skirts; core rod driving mechanisms are arranged on the two sides of the treatment box, and the core rod driving mechanisms are used for clamping the two sides of the core rod and driving the core rod to rotate in the axial direction; a core rod clamping mechanism is arranged at the execution end of the unloading mechanical arm; according to the invention, the technical problem of how to realize automatic unloading and coating film removal of the composite insulator is solved.
Owner:INNER MONGOLIA HAOYANG POWER MATERIAL EQUIP CO LTD
Insulator for aerial electrical lines with a mechanical load detection device
An insulator of the cap / pin type for an aerial electrical line comprises a dielectric element that has an outer surface in the form of a skirt that is extended by a metal cap on one side and a metal pin on the other side. It also comprises a mechanical load detection device comprising at least one strain gauge fastened to the metal cap of the insulator so as to be used to detect mechanical stresses representative of a mechanical load exerted on the electrical line.
Owner:SEDIVER SA
Modulus gradient epoxy resin based composite insulator and preparation method thereof
ActiveCN120727386APlastic/resin/waxes insulatorsSuspension/strain insulatorsPolymer scienceComposite insulators
The invention relates to the technical field of electric transmission line electrical insulating materials, in particular to a modulus gradient epoxy resin based composite insulator and a preparation method thereof. The sheath is divided into a plurality of layers, and each layer is formed by a resin mixture obtained by mixing an epoxy resin matrix and an inorganic filler; the epoxy resin matrix at least comprises epoxy resin and a curing agent; in a plurality of layers of the sheath from outside to inside, Young modulus is distributed in a gradient decreasing manner, and elongation at break is distributed in a gradient increasing manner; the adjacent sub-layers of the sheath form a nonlinear interface profile. The composite insulator provided by the invention has excellent tracking resistance, excellent tensile property and excellent gradient structure interface performance.
Owner:SICHUAN QINGYUAN HUACHUANG TECHNOLOGY CO LTD
Disc-shaped suspension insulator triple strain insulator string
The utility model discloses a disc-shaped suspension insulator triple tension string which comprises three adjusting discs, a hanging plate is installed above the adjusting discs, a disc-shaped suspension insulator is installed above the hanging plate, a three-to-two yoke plate is installed at the top of the disc-shaped suspension insulator, a yoke plate is installed at the top of the three-to-two yoke plate, and a tension spring is installed at the top of the yoke plate. The adjusting disc comprises a shell, a fixing block is fixed in the shell, a grading ring is arranged on the outer side of the disc-shaped suspension insulator, and the top of the grading ring is fixedly connected with the three-to-two yoke plate. According to the disc-shaped suspension insulator triple strain insulator string, the adjusting disc is arranged, a hexagonal wrench rotates a hexagonal block, the hexagonal block drives a worm to rotate, the worm rotates to drive a worm wheel to rotate, the worm wheel drives a bolt inserted into a through hole to move, and therefore the distance between a hanging point fitting and a hanging plate can be adjusted, operation is simple and convenient, and the bolt and a nut do not need to be loosened; bolts are inserted into different holes, and then the screwing nuts are screwed to adjust the distance.
Owner:JIANGSU TIANNAN ELECTRIC POWER EQUIP
Crossarm assembly and power transmission tower
The present application relates to a crossarm assembly and a power transmission tower. The crossarm assembly comprises a fitting assembly; a first insulator, wherein one end of the first insulator is connected to the fitting assembly; a second insulator, wherein one end of the second insulator is connected to the fitting assembly, and the second insulator is located below the first insulator; a first hinge piece, connected to the other end of the first insulator, wherein the first hinge piece is used for being connected to a tower body of the power transmission tower, and the first insulator can rotate relative to the tower body of the power transmission tower; and a second hinge piece, connected to the other end of the second insulator, wherein the second hinge piece is used for being connected to the tower body of the power transmission tower, and the second insulator can rotate relative to the tower body of the power transmission tower. When the crossarm assembly of the present application is subjected to unbalanced tension of a wire, the crossarm assembly can rotate, thereby improving the safety and the service life of the crossarm assembly and the power transmission tower.
Owner:SHANGHAI SHEMAR POWER ENG CO LTD
Insulation street code structure
ActiveCN223526933USuspension arrangements for electric cablesSuspension/strain insulatorsStructural engineeringControl theory
Owner:FOSHAN SHUNDE DISTRICTJIADIAN ELECTRICAL APPLIANCE CO LTD
Composite porcelain insulator string
PendingCN121617752ASuspension/strain insulatorsSupporting insulatorsComposite insulatorsMechanical stability
The invention discloses a composite porcelain insulator string, and belongs to the technical field of power equipment. The insulator string is mainly formed by compounding an end hardware fitting, a core rod and a porcelain piece sleeved on the core rod. The core is that the fittings are crimped at two ends of the core rod for connection; the core rod is used as a bearing and internal insulation main body; the porcelain piece is provided with the hollow pipe and the umbrella skirts, and the porcelain piece and the core rod are glued into a whole through the insulation paste, so that the creepage distance is effectively increased, the core rod is protected from environmental erosion, and aging and brittle failure of the core rod are prevented. The composite insulator combines the advantages of good mechanical stability of a porcelain insulator and strong bearing capacity of a composite insulator, has excellent electromechanical performance and long-term operation reliability, and is particularly suitable for an ultra-high voltage transmission line.
Owner:QINGDAO UNIV OF TECH
Multi-functional overhead distribution line fixing device using insulator
PCT designated stageWO2025249657A1Suspension arrangements for electric cablesSuspension/strain insulatorsMechanical engineeringJumper
The present invention relates to an multi-functional overhead distribution line fixing device using an insulator, comprising: a crossarm (10); an insulator provision tool (20); a jumper line support insulator (30); a fixing tool (40); an electric leakage detection sensor (50); an electric leakage warning device (60); a suspension insulator (70); and a connection clamp (80), and thus an electric leakage can be quickly notified of and a jumper line can be easily and safely arranged at various locations.
Owner:ESAN CO LTD
Suspension type composite insulator and preparation method thereof
The invention relates to the technical field of insulators, in particular to a suspension type composite insulator and a preparation method thereof.The suspension type composite insulator comprises a core rod, an umbrella skirt and a sheath which are arranged outside the core rod, an interface bonding layer located between the core rod and the umbrella skirt and between the core rod and the sheath, and metal connecting devices assembled at the two ends of the core rod; the umbrella skirts and the sheath are made of a high-temperature vulcanized silicone rubber material, the high-temperature vulcanized silicone rubber material contains a microencapsulation self-repairing agent or a shape memory polymer, and the core rod is made of a nano modified glass fiber reinforced composite material. A microencapsulated self-repairing agent or a shape memory polymer is pre-dispersed in a high-temperature vulcanized silicone rubber material adopted by the umbrella skirt and the sheath, so that when the material generates tiny cracks or damages due to external stress in the use process, internal microcapsules can be broken and release repairing monomers; and the monomers are subjected to polymerization reaction at the damaged part, so that cracks are automatically filled and repaired.
Owner:SHANDONG RIYANG ELECTRIC POWER TECHNOLOGY CO LTD
Anti-loosening suspension insulator
The utility model discloses an anti-loosening suspension insulator, which relates to the technical field of communication engineering, and comprises a central column, an abutting ring is fixedly arranged at the bottom of the outer wall of the central column, a plurality of insulating ceramic rings are movably sleeved on the central column above the abutting ring, a threaded column is fixedly arranged at the top of the central column, and the threaded column is fixedly connected with the central column. The top of the threaded column is fixedly provided with an anti-loosening assembly which tightly presses the plurality of insulating ceramic rings on the outer wall of the central column. The main body structure comprises the central column, the outer wall of the central column is sleeved with the multiple insulating ceramic rings, the side faces of the multiple insulating ceramic rings are provided with the self-cleaning assemblies based on wind power, and the self-cleaning assemblies can scrape away sundries possibly attached to the outer walls of the multiple insulating ceramic rings irregularly through high-altitude wind power. The problems that a conductive channel is possibly formed on the surface of the insulator due to pollutant accumulation, leakage current is increased, the insulation effect is reduced, workers need to climb high frequently, and the cleaning process of the suspension insulator is high in risk and time-consuming are solved.
Owner:YANGZHOU JIANGDU DISTRICT JINFENG ELECTRIC POWER EQUIP CO LTD
Duplex single-hanging-point V-shaped suspension string of disc-shaped suspension insulator
ActiveCN224217302Uquick installationImprove installation efficiencySuspension/strain insulatorsElectric power equipmentPower equipment
The utility model discloses a disc-shaped suspension insulator duplex single-hanging-point V-shaped suspension string which comprises a spacing frame, the spacing frame is provided with a fast-assembly mechanism, the top of the spacing frame is provided with two V-shaped disc-shaped insulator strings, the outer sides of the two disc-shaped insulator strings are provided with a voltage-sharing mechanism, the fast-assembly mechanism comprises a support frame, and the support frame is provided with a fixed support. A plurality of wire seats are arranged on the outer side of the supporting frame, a connecting seat is fixedly connected to one end of each wire seat, a movable cover is rotationally connected to each connecting seat, and an embedded clamping block is fixedly connected to the end of each movable cover. According to the disc-shaped suspension insulator duplex single-hanging-point V-shaped suspension string, wires are placed on the wire base, the movable cover is rotated, so that the magnetic embedded clamping block at the end of the movable cover is inserted into the wire base, then the rotating head is rotated to press the embedded clamping block, and then the rotating head is pressed inwards for locking, so that the multiple wires are rapidly installed at the same time, and the installation efficiency is improved. And the installation efficiency and convenience are effectively improved.
Owner:JIANGSU TIANNAN ELECTRIC POWER EQUIP
Composition for barium strontium titanate modified composite silicone rubber, composite silicone rubber as well as preparation method and application of composite silicone rubber
The invention relates to the technical field of composite insulator materials, and discloses a composition for barium strontium titanate modified composite silicone rubber, the composite silicone rubber and a preparation method and application of the composite silicone rubber. The composition contains raw silicone rubber, modified barium strontium titanate, fumed silica, aluminum hydroxide, a vulcanizing agent and an auxiliary agent, relative to 100 parts by weight of the raw silicone rubber, the content of the modified barium strontium titanate is 10 to 30 parts by weight, the content of the fumed silica is 25 to 30 parts by weight, the content of the aluminum hydroxide is 100 to 120 parts by weight, the content of the vulcanizing agent is 0.1 to 0.2 part by weight, and the content of the auxiliary agent is 4 to 9 parts by weight; the raw silicone rubber is a combination of trifluoropropyl silicone rubber and vinyl silicone rubber in a content mass ratio of 1: (5-15); the barium strontium titanate modified composite silicone rubber provided by the invention has better mechanical properties and aging resistance, and keeps higher volume resistivity and breakdown strength at the same time.
Owner:STATE GRID HUNAN ELECTRIC COMPANY DISASTER PREVENTION & REDUCTION CENT +2
Disc-shaped suspension type reverse umbrella insulator and manufacturing method thereof
The invention relates to a disc-shaped suspension type reverse umbrella disc insulator and a manufacturing method. According to the novel technical scheme, the technical standard (figure 7) of the overall structure height H value is not changed, the limitation of the structural shape space of an existing disc-shaped suspension insulator (figure 2) is broken through, all umbrella discs of the umbrella disc face (1), the middle umbrella disc (2) and the lower umbrella disc (3) are changed into reverse umbrella discs, the height (figure 3) of the umbrella disc + column head (5) is 36%-40% lower than that of an existing umbrella disc + column head (figure 4), and the column head (5) of the umbrella disc is installed in a steel cap (10) to be connected. The steel foot (7) with the zinc sleeve (8) is inserted into the steel foot hole (6) of the umbrella disc face (1) to be connected, the connection relation is formed through solidification of the cement adhesive (4), the connection portion (12) of the steel cap (10), the steel foot (7) and the locking pin (9) is exposed, a novel specific structural shape (figure 1) is created, the technical effect of no shielding obstacles (figure 8) is achieved, technical defects are eliminated, the practical requirement is met, and the space margin of technical performance improvement is expanded.
Owner:武志文 +2
Composite insulator capable of rapidly replacing core rod
Owner:LILING PUKOU ELECTRIC PORCELAIN MFG CO LTD
Planar capacitor terminals
ActiveDE102015113515B4Bus-bar/wiring layoutsFixed capacitor housing/encapsulationBusbarStructural engineering
Electronic component, which includes: a layered busbar structure (212) comprising at least two busbar layers (212A-C) separated by an insulating layer; a transistor (214) connected to the layered busbar structure (212) on a first side thereof; and a capacitor (100) which is mounted on the first side of the layered busbar structure (212) and is positioned further away from the layered busbar structure (212) than the transistor (214), wherein the capacitor (100) has respective planar terminals (102, 104) which are parallel to each other and perpendicular to the layered busbar structure (212), wherein each of the planar terminals (102, 104) comprises a rectangular element, one side of which is connected to the capacitor (100) and the opposite end is connected to a corresponding busbar layer (212A-C), wherein each of the planar terminals (102, 104) has several feeder lines (108, 110) at the opposite end of the rectangular element, the feeder lines (108, 110) connecting the respective planar terminal (102, 104) to the corresponding busbar layer.
Owner:TESLA INC
Suspension insulator
The utility model discloses a suspension insulator which comprises an insulator umbrella skirt, the upper end of the insulator umbrella skirt is connected with a steel cap, the lower end of the insulator umbrella skirt is connected with a steel foot, and the steel cap is internally provided with a limiting hole; a limiting ring is slidably connected into the outer wall of the steel cap, an adjusting blocking cover is connected to the outer side of the limiting ring, and a through groove opening is formed in the side wall of the adjusting blocking cover. The outer side of the steel cap is connected with an extension spring, the end of the extension spring is connected with a positioning rod, and the upper end of the positioning rod is in threaded connection with a first nut. According to the suspension insulator, when the position of the through notch corresponds to the position of the limiting hole, only the steel foot needs to be inserted into the limiting hole from the side edge, the adjusting blocking cover is driven to rotate, the through notch formed in the side wall of the adjusting blocking cover is staggered from the position of the limiting hole, the steel foot is limited, and the positioning rod penetrates through the hole of the adjusting blocking cover, so that the position of the steel foot is adjusted. And the first nut is in threaded connection with the positioning rod, so that double locking of the assembly end of the insulator can be realized.
Owner:PINGXIANG YANGDONG ELECTRICAL PORCELAIN ELECTRICAL FACTORY
Composite post insulator capable of live working and use method thereof
The invention discloses a composite post insulator capable of live working and a use method, belongs to the field of electric power facilities, and solves the problem that an insulator in the prior art is inconvenient to replace. The wiring piece comprises a first clamping body, a second clamping body and a driving rod, the first clamping body and the second clamping body are hinged through a hinge shaft, the first clamping body and the second clamping body have a closed position and an open position, the driving rod is rotationally connected with the first clamping body, and the second clamping body is provided with a threaded hole. The driving rod comprises a middle polished shaft section, a first threaded section and a second threaded section, the first threaded section and the second threaded section are located at the two ends of the polished shaft section, when the first clamp body and the second clamp body are located at the closed position, the first threaded section is in threaded fit with the threaded hole, and when the first clamp body and the second clamp body are located at the open position, the second threaded section is in threaded fit with the threaded hole. When the first clamp body and the second clamp body move between the closed position and the open position, the optical axis section penetrates through the threaded hole in a sliding mode. According to the invention, the insulator is more convenient to replace.
Owner:TRAINING CENT OF STATE GRID ZHEJIANG ELECTRIC POWER
Moisture shedding electrical insulators for use in power transmission and distribution lines
PendingUS20260100297A1Plastic/resin/waxes insulatorsSuspension/strain insulatorsComposite insulatorsPhysics
A composite insulator is provided for use in power distribution and transmission, the composite insulator comprising: a rod which includes a core rod and a housing which sheaths the core rod; and a plurality of sheds wherein at least one shed has a smaller diameter and at least one shed has a larger diameter and is disposed above the shed with the smaller diameter, the shed with the larger diameter including a downward extending perimeter lip.
Owner:ASASOFT (CANADA) INC
A 420KN round-head sandblasted suspension insulator
This invention discloses a 420KN round-head sandblasted suspension insulator, relating to the field of suspension insulator technology. To improve the stability, pollution resistance, mechanical load-bearing reliability, ease of installation and maintenance, and impact resistance of the sandblasted layer of the round-head sandblasted suspension insulator, it specifically includes a porcelain body, a round-head connecting assembly, a skirt assembly, and an anti-detachment sandblasting structure. The porcelain body is a columnar structure with a round head integrally formed at the top. The round-head connecting assembly is fixedly installed on the top of the round head for connection with transmission towers or adjacent insulators. The skirt assemblies are spaced apart along the axial direction of the porcelain body. The anti-detachment sandblasting structure covers the outer surface of the round head and the outer surface of the skirt assembly. This invention effectively solves the problems of easy detachment and cracking of existing sandblasted layers. Simultaneously, the protective surface layer improves the weather resistance and corrosion resistance of the sandblasted layer, extends its service life, and thus ensures the long-term stable pollution resistance and insulation performance of the insulator, making it suitable for use in particularly harsh environments.
Owner:JIANGXI NEW ELECTRIC CO LTD
Disc insulator with clamp
The utility model relates to the technical field of insulators, in particular to a disc-type insulator with a clamp, which comprises a disc-type insulator main body, a connecting column is fixedly arranged at the bottom end of the disc-type insulator main body, a C-shaped clamp is fixedly arranged at the bottom end of the connecting column, a base plate is fixedly arranged in a groove of the C-shaped clamp, and a bent wire groove is arranged at the side end of the base plate. The C-shaped clamp is provided with a limiting assembly and a fixing assembly. After a high-voltage wire is placed in a bent wire groove in a base plate, a baffle plate is moved downwards to be inserted into a slot to cover the bent wire groove to limit the high-voltage wire, and then a shifting rod is shifted to rotate a rotating ring to adjust the position of a positioning plate, so that the positioning plate is clamped with the baffle plate; and meanwhile, the compressed spring resets to push the limiting clamping plate to move and be clamped into the end part of the limiting clamping groove to fix the position of the deflector rod, so that the hanging installation of the high-voltage wire is completed, the operation is simple, auxiliary tools are not needed, and the hanging efficiency of the high-voltage wire and the disc insulator is improved.
Owner:PINGDINGSHAN INSULATING PROD LTD CO
Composite insulator for overhead line systems, overhead line systems with composite insulators and methods for manufacturing such composite insulators
The invention relates to a composite insulator for an overhead line system, an overhead line system with at least one such composite insulator 1 and a method for manufacturing such a composite insulator 1, wherein the composite insulator according to the invention has at least one insulator core 3 and at least one connecting device 15 for connecting the composite insulator 1 to a fastening device and at least one clamping device 13 for directly connecting the composite insulator 1 to a ceiling busbar 40 of the overhead line system, wherein the clamping device 13 is at least partially integrally formed on the insulator core 3 of the composite insulator 1.
Owner:SIEMENS MOBILITY GMBH
Silicone rubber composite insulator and preparation method thereof
The invention relates to the technical field of insulating materials, and provides a silicone rubber composite insulator and a preparation method thereof. A silicone rubber composite insulator comprises a core rod, an umbrella skirt, a sheath and a metal accessory, and raw materials of the umbrella skirt and / or the sheath comprise the following components: methyl vinyl phenyl silicone rubber, reinforced master batch, a functional additive and a vulcanizing agent, the reinforced master batch is prepared from the following components in parts by mass: 20 to 30 parts of epoxy silane modified inorganic filler, 5 to 10 parts of aminated polystyrene, 0 to 10 parts of polystyrene-polydimethylsiloxane grafted copolymer and 25 to 35 parts of methyl vinyl phenyl silicone rubber. According to the technical scheme, the problem of low mechanical strength of the silicone rubber composite insulator prepared from the epoxy silane modified inorganic filler in the prior art is solved.
Owner:HEBEI BIYAN ELECTRIC POWER EQUIPMENT CO LTD
Composite insulator
The invention discloses a composite insulator which comprises an insulating tube, umbrella skirts located on the periphery of the insulating tube and two flanges arranged at the two ends of the insulating tube respectively, the insulating tube is a hollow circular tube, supporting pieces are arranged in the two ends of the insulating tube, and each supporting piece is of a solid cylinder structure. The supporting piece and the insulating tube are coaxially arranged, the supporting piece extends inwards from the end of the insulating tube, the outer diameter of the supporting piece is matched with the inner diameter of the insulating tube, the flange is connected to the outer side of the end of the insulating tube in a pressing mode, and the insulating tube, the supporting piece and the flange are tightly connected. According to the composite insulator, compression joint of the hollow insulation tube and the flange is achieved through the supporting piece, the connection strength and the sealing performance between the hollow insulation tube and the flange are guaranteed, the composite insulator is effectively prevented from losing efficacy at the joint of the flange and the insulation tube, the structural strength of the composite insulator can be brought into full play, and compared with a traditional glue joint technology, the composite insulator is more stable. A long-time glue solution curing procedure is omitted, and the production efficiency is improved.
Owner:JIANGSU SHENMA ELECTRIC CO LTD
Pre-cementing device and method for high-reliability suspension type porcelain insulator
The invention discloses a pre-cementing device and method for a high-reliability suspension type porcelain insulator, the pre-cementing device and method are used for pre-cementing of a steel leg of the suspension type porcelain insulator mainly composed of a steel cap, the steel leg and a porcelain body, the pre-cementing device for the steel leg comprises a maintenance frame (1) and at least one glue injection mold (2), the maintenance frame (1) comprises a platform (11) and a steel leg supporting plate (12) parallel to the platform (11); a stepped hole (13) matched with the bottom of the glue injection mold (2) is formed in the platform (11); the glue injection mold (2) comprises a glue injection port (21), a columnar cavity (22) and a limiting hole (23) matched with a steel foot; and the glue injection mold (2) is a combined mold formed by combining at least two parts. According to the method, the suspension porcelain insulator with extremely high precision can be obtained, the process is controllable, and the production efficiency is greatly improved.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +1
High-temperature-resistant insulating ceramic structural member
The utility model relates to the technical field of ceramics, in particular to a high-temperature-resistant insulating ceramic structural member which comprises a first insulator and two second insulators, the first insulator and the two second insulators are all made of talc ceramic materials, a through hole is formed in the surface of the first insulator, a connecting rod is fixedly assembled on the surface of each second insulator, and the connecting rod is connected with the first insulator and the second insulator. The connecting rod is slidably connected with the through hole, a limiting rod slidably penetrates through the first insulator, a plurality of limiting holes matched with the limiting rod are formed in the surface of the connecting rod, a connecting plate is fixedly assembled at one end of the limiting rod, and the outer circumferential surface of the limiting rod is sleeved with a spring. According to the utility model, through cooperation of the first insulator, the second insulator, the connecting rod, the limiting rod and the limiting hole, the distance between the first insulator and the second insulator can be adjusted according to needs in the process of using the insulator for construction, so that the insulator can be conveniently used for continuous construction, and the practicability of the insulator is improved.
Owner:SUZHOU EVERBEST ENG CERAMICS