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400results about "Suspension/strain insulators" patented technology

Large umbrella skirt rod-shaped composite insulator

The invention relates to a rod-shaped composite insulator with large umbrella skirts, which is applied to the field of insulators, and is characterized in that an elastic insulating tube is additionally arranged on the basis of an existing insulator, and large and small umbrella skirts are sleeved on the elastic insulating tube, so that the modular design of the insulator is realized, and local replacement and maintenance are facilitated; meanwhile, the electrostrictive ring is arranged in the middle umbrella skirt, and the lower part of the middle umbrella skirt is expanded outwards after the electrostrictive ring is electrified, so that the umbrella diameter of the middle umbrella skirt is increased, the creepage distance is increased, formation of a rainwater chain can be effectively prevented in rainy and snowy weather, ice edge bridging can be effectively inhibited, and the flashover resistance of the insulator is further effectively improved; and the umbrella diameter of the small umbrella skirts is increased under the pressing of the middle umbrella skirts, so that the anti-pollution capability of the insulator is effectively improved, in addition, the umbrella diameter of the umbrella skirts is increased, the effects of deicing and snow removal can be achieved by virtue of the extension function of the umbrella skirts, and the anti-flashover capability is further effectively improved.
Owner:包头铁道职业技术学院

Insulator protection device

The invention discloses an insulator protection device, which relates to the technical field of insulators. Dirt such as bird droppings causes the insulator's withstand voltage strength to decrease, resulting in flashover damage. The invention includes an insulator mechanism, an insulator string protection mechanism and an adjustment mechanism, wherein the insulator mechanism includes a support column and an insulator; the insulator string protection mechanism includes a card plate, a connecting rod is fixedly installed between two card plates, and a wind collecting plate clamped between the two card plates, a connecting plate is sleeved on the outside of the connecting rod, and a scraper one and a scraper two matching the insulator are fixed at one end of the connecting plate; the buffer assembly includes a sleeve; the adjustment mechanism includes a transmission plate slidably installed on the wind collecting plate, a guide rail matching the connecting plate is provided on the transmission plate, the transmission plate slides to adjust the distance between a plurality of connecting plates and simultaneously realizes the equidistant adjustment between a plurality of insulators, the wind collecting plate is rotated by wind force, so that the two scrapers rotate around the insulator, thereby limiting the insulator and cleaning its surface at the same time, thereby realizing the protection of the insulator.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD ZHOUSHAN POWER SUPPLY CO

Disc-shaped suspension type porcelain insulator

The utility model relates to the technical field of porcelain insulators, and discloses a disc-shaped suspension type porcelain insulator, which comprises an insulating umbrella skirt and a connecting hardware fitting, the top of the insulating umbrella skirt is fixedly provided with the connecting hardware fitting, and the disc-shaped suspension type porcelain insulator blows a wind cup through high-altitude wind power to drive a cross rod and a lantern ring to rotate synchronously, so that the cross rod and the lantern ring can rotate synchronously. Meanwhile, a triangular block can be driven to rotate in cooperation with a sliding block, a sliding rod, a wave groove, a rack, a gear and a rotating shaft, sunlight can be refracted through rotation of the triangular block in cooperation with a reflective mirror, the sunlight refracted by the reflective mirror is utilized to stimulate surrounding flying poultry animals, and the flying poultry animals fly away from the insulating umbrella skirt after being disturbed by the sunlight; according to the porcelain insulator, long-time staying of birds on the insulating umbrella skirts is avoided, so that corrosion of an enamel layer on the surface of the porcelain insulator caused by falling of excrement of the birds on the insulating umbrella skirts can be avoided, and the service life of the porcelain insulator is prolonged.
Owner:JIANGXI HUAYOO INSULATOR CO LTD

Composite insulator for overhead line

The invention discloses a composite insulator for an overhead line, and belongs to the field of composite insulators, and the composite insulator comprises a first main umbrella skirt, the outer surface of the lower end of the first main umbrella skirt is fixedly connected with a first auxiliary umbrella skirt, the outer side of the first main umbrella skirt is provided with a scraping assembly, and the scraping assembly comprises a traction part and a movable part. The traction part comprises an insulation sleeve fixedly connected with the outer surface of the first main umbrella skirt, the outer surface of the insulation sleeve is fixedly connected with a supporting plate, and one end, away from the insulation sleeve, of the supporting plate is fixedly connected with a guide seat. By arranging the wind cup, the partition plate, the elastic rope and other assemblies, dirt attached to the surface of the wind cup can be shaken off to a certain degree through appearance changes of the surface of the wind cup, and therefore residual dirt on the surface of the wind cup can be effectively reduced, and the influence of the dirt on the weight of the wind cup is reduced; therefore, the moving flexibility of the wind cup can be guaranteed to a certain extent, and the cleaning effect of the surface of the first main umbrella skirt can be further improved.
Owner:SHANDONG LUNENG GUANGDA ELECTRIC POWER EQUIP

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

A glass insulator

The present invention relates to the field of electric power technology, and in particular to a glass insulator. The glass insulator comprises a steel cap, a steel foot and a glass piece. A cooling cavity is provided inside the skirt of the glass piece, and a portion of the cooling liquid is filled in the cooling cavity. A heat spreader is provided in the cooling cavity, and an insulating layer is glued to the inner wall of the cooling cavity. When the insulator is working, the cooling liquid moves due to the shaking of the insulator, and the moving cooling liquid balances the temperature of the insulator, so that the insulator is not prone to the phenomenon of local overtemperature. If the external environment of the insulator is stable during operation, the cooling liquid can balance the temperature by evaporation and condensation using the heat spreader. After the glass insulator explodes, the broken glass pieces are connected to each other under the action of the insulating layer, reducing the safety hazard of the glass pieces breaking and falling. At the same time, the heat spreader provides a good support for the glass pieces after the insulator explodes, so that the glass pieces will not contact other insulators due to the loss of mechanical support due to the explosion, thereby reducing the loss of insulation capacity of the insulator string.
Owner:ZHEJIANG TAILUN INSULATOR

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

35kV suspension type line lightning arrester doubling as insulator discharge gap

The invention discloses a 35kV suspension type line discharge gap lightning arrester doubling as an insulator discharge gap, and relates to the technical field of lightning arresters, the lightning arrester assembly comprises a lightning arrester assembly, an adjusting assembly and a state detection assembly, the lightning arrester assembly comprises a first support plate and a second support plate, the first support plate is rotatably connected with the second support plate, the lightning arrester assembly further comprises a lightning arrester main body, and the lightning arrester main body is rotatably connected with the adjusting assembly. An adjusting assembly is arranged at the bottom of the second supporting plate and comprises a fixed arc plate and a protective shell, and a rotating arc plate is installed at the bottom of the first supporting plate. According to the lightning arrester, the adjusting assembly is installed, the position of the arc striking block is adjusted through the first telescopic rod, the first gear drives the rack to move, a rotating arc plate drives the first supporting plate to rotate, the first supporting plate drives the lightning arrester body to rotate, the position of the lightning arrester body is adjusted, and then the discharging gap is adjusted; the purpose of conveniently adjusting the discharge gap of the discharge gap lightning arrester is achieved, the arc extinguishing effect of the gap lightning arrester is improved, and the application range of the gap lightning arrester is expanded.
Owner:BAODING TONGLI ELECTRIC EQUIP CO LTD

Suspension type porcelain insulator

The invention provides a suspension type porcelain insulator, which is characterized by comprising an insulating body, a steel cap and a steel pin, the steel cap is fixedly connected to the upper portion of the insulation body, the steel foot is installed in the steel cap, and the bottom of the steel foot penetrates through the insulation body. The installation assembly is arranged in the steel cap, the adjusting groove is formed between the two sets of clamping tables, and the adjusting ball head can be placed in the adjusting groove; meanwhile, a fixing piece and an elastic piece are arranged outside the connecting rod, the clamping table is bonded to the bottom of the insulating body through an adhesive, and the steel foot can be steered through a horn groove and an adjusting groove, so that damage caused by overall vibration of the porcelain insulator in the gale weather can be effectively reduced, and after an insulator string is formed, damage to the insulator string is reduced in the gale weather. When a group of porcelain insulators deflect, the porcelain insulators below the group of porcelain insulators are forced to reset vertically under the action of gravity, namely, the porcelain insulators in the insulator string are integrated and are mutually independent, so that the wind resistance of the insulator string is effectively enhanced.
Owner:LILING PUKOU HUAGAO ELECTRIC CERAMIC & ELECTRICAL APPLIANCE CO

Suspension insulator

The utility model discloses a suspension insulator, which belongs to the technical field of power transmission line insulation and comprises a suspension insulator body, a connector is fixedly connected to the middle of the bottom end of the suspension insulator body, and a conical block is integrally formed at the bottom end of the connector. A large bowl head is fixedly connected to the middle of the top end of the suspension insulator body, a connecting piece is detachably connected to the upper portion of the large bowl head, a spring can be compressed and deformed through a limiting base, and when the plane of a conical block is located below the plane of a clamping block, the clamping block is pushed out through the elastic acting force of the spring; according to the utility model, the clamping block is arranged on the conical block, and the baffle ring is abutted against the limiting seat to limit the clamping block, so that the plane of the clamping block corresponds to the plane of the conical block, the two suspension insulator bodies can be quickly combined together, and the connecting piece and the connecting sleeve are respectively connected with the upper suspension insulator body and the lower suspension insulator body in the same way. And the operation is very convenient in a high-altitude operation process.
Owner:KUVAG (XIAMEN) ELECTRIC TECH CO LTD

Insulator string thermal deicing and cleaning device

The present application relates to the technical field of high-voltage transmission line operation and maintenance equipment, and in particular to an insulator string thermal deicing and cleaning device, comprising a connecting slide rod, wherein the number of the connecting slide rods is two and they are symmetrically arranged front to back, and the two connecting slide rods are commonly provided with two groups of upper and lower symmetrical clamping mechanisms for locking on the insulator string, the number of each group of the clamping mechanisms is two and they are symmetrical front to back, and the two connecting slide rods are commonly provided with two front to back symmetrical thermal deicing mechanisms for thermally melting the ice on the insulator string. By setting the connecting slide rod and the thermal deicing mechanism, the thermal deicing work can be applied to insulator strings in different setting states, thereby improving the adaptability, so that it is more convenient to perform deicing work on the insulator string, reducing the carrying of adapter equipment, and facilitating the staff to perform deicing work on the insulator string in a special environment in cold weather, so that it is more convenient.
Owner:HUAIYUAN COUNTY POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CO LTD +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

Preparation process of suspension insulator blank

The invention discloses a preparation process of a suspension insulator blank. The preparation process comprises the following steps: preparing mixed slurry; squeezing mud, and dehydrating the mixed mud at constant pressure until mud cakes are formed; rough refining: transporting the mud cake to a mud cutting machine for cutting; aging, namely aging the green body; performing vacuum pugging, namely performing vacuum pugging on the green body to enable the green body to be in a round roller shape; the method comprises the following steps: carrying out constant-pressure dehydration treatment on the slurry through a filter press so as to enable the difference between the surface humidity and the internal humidity of the green body to be + / -0.2%, pressing the slurry for 8 hours by the filter press under the pressure of 8-10N, and arranging a conveying belt below the filter press. According to the preparation process of the suspension insulator green body, each step is tightly matched from mud squeezing to rough refining to aging, so that the subsequent glazing and firing quality of the green body is guaranteed, the performance and stability of the suspension insulator are favorably improved, and meanwhile, the production efficiency and the yield are also favorably improved.
Owner:TIANJIN XINBO POWER COMPOUND INSULATORS MFG CO LTD

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

Vibration reduction spacing device of multi-union insulator chain

The invention belongs to the field of overhead transmission lines of power systems, and relates to a vibration damping spacing device for multiple insulator strings, which comprises a horizontal vibration damping connecting component connected with the insulator strings in the horizontal direction, and the horizontal vibration damping connecting component comprises a connecting plate, a first vibration damping assembly, a second vibration damping assembly and a third vibration damping assembly. The upper portions and the lower portions of the ends, close to each other, of the two connecting plates are movably connected with one end of a first vibration reduction assembly, the other end of the first vibration reduction assembly is movably connected with small triangular plates, a second vibration reduction assembly is movably connected between the two small triangular plates, and the two sides of the second vibration reduction assembly are movably connected with one ends of two third vibration reduction assemblies. And the other end of the third vibration reduction assembly is movably connected with one side of the first vibration reduction assembly, so that a triangular structure is formed among the three vibration reduction assemblies. According to the invention, the absorption efficiency of vibration energy is high, and the vibration reduction effect is better especially for large-amplitude vibration and swing between multiple insulator strings.
Owner:POWER RES INST OF STATE GRID SHAANXI ELECTRIC POWER CO LTD +1

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

Cylindrical head suspension insulator

The invention belongs to the technical field of insulators, particularly relates to a cylindrical head suspension insulator, and aims to solve the problems that in the prior art, oil stains and dust are easily accumulated on the surface of an insulator after the surface of the insulator is exposed outside for a long time, flashover phenomena are easily generated, and then the insulator is easily damaged. Comprising a suspension mechanism fixed to the lower surface of the end of a mounting channel steel, the suspension mechanism comprises a first clamping piece fixed to the lower surface of the mounting channel steel, a second clamping piece is clamped to the lower surface of the first clamping piece, a knob insulator body is fixed to the lower surface of the second clamping piece, and a plurality of large discs with the same diameter are arranged in the middle of the knob insulator body. The cleaning device can cooperate with the arrangement of an arc-shaped plate in wind and rain to enable a brush rod in the cleaning mechanism to brush on the surface of the large disc in a swinging manner, so that the surface of the large disc at the position can be cleaned up, surface disruptive discharge caused by formation of a discharge loop on the surface of an insulator is prevented, and the service life of the insulator can be prolonged; and the maintenance period can be greatly reduced.
Owner:JIANGXI ZHENGQIANG ELECTRIC PORCELAIN ELECTRIC 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

Composite insulator and preparation method thereof

The invention discloses a composite insulator and a preparation method thereof. The composite insulator comprises an upper gold piece, a lower gold piece, an insulator main body and an umbrella skirt, and an insulator adhesive is arranged between the upper gold piece and the end of the insulator main body and between the lower gold piece and the end of the insulator main body. The insulator adhesive is prepared from the following raw materials in parts by weight: 60 to 90 parts of E51 type bisphenol A epoxy resin, 20 to 30 parts of tetraglycidylxylenediamine, 20 to 40 parts of allyl glycidyl ether, 15 to 20 parts of dicyandiamide, 4 to 6 parts of graphite-like carbon nitride, 5 to 8 parts of functional additive, 2 to 5 parts of 3-glycidylpropyltrimethoxysilane, 15 to 25 parts of elastic reinforcement, 30 to 100 parts of curing agent, 1.5 to 2.5 parts of curing accelerator and 10 parts of curing accelerator. 20 parts of carboxyl-terminated liquid nitrile rubber and 150-300 parts of an organic solvent. The composite insulator has the advantages that the high-temperature resistance and the insulation performance of the composite insulator can be improved, and the water-blocking sealing performance of the composite insulator can be improved.
Owner:SHENZHEN YINXING INSULATOR ELECTRIFIED RAILWAY EQUIP CO LTD

Modulus gradient epoxy resin based composite insulator and preparation method thereof

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

High-performance green environment-friendly electric porcelain material and manufacturing method thereof

The invention relates to the technical field of electric porcelain production, and particularly discloses a high-performance green environment-friendly electric porcelain material, which is prepared from the following raw materials: 17 to 27 parts of Jiangjin soil, 1 to 3 parts of Yongchuan soil, 10 to 20 parts of quartz powder, 12 to 22 parts of Dongsheng soil, 7 to 17 parts of Jingyang soil, 1 to 5 parts of bauxite, 2 to 6 parts of potassium feldspar and 21 to 31 parts of waste water reclaimed materials. The wastewater reclaimed material is derived from a solid obtained after solid-liquid separation of sewage in electrical porcelain manufacturing, and the wastewater reclaimed material contains 44-50 parts of SiO2, 38-44 parts of AI2O3 and 2.6-2.9 parts of K2O. The invention further provides a manufacturing method of the high-performance green and environment-friendly electric porcelain material, burdening is performed according to the high-performance green and environment-friendly electric porcelain material, and the burdening is treated according to the flow of ball milling, sieving for iron removal, filter pressing, rough refining, aging and vacuum pugging to obtain the electric porcelain material. The scheme is used for solving the problem that the wastewater reclaimed material of the current electric porcelain sewage station cannot be used for producing disc-shaped suspension type high-voltage electric porcelain.
Owner:CHONGQING PIGEON ELECTRIC PORCELAIN 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

A suspension porcelain insulator

The present invention provides a suspension porcelain insulator, which is characterized in that it comprises: an insulating body, a steel cap and a steel foot; the steel cap is fixedly connected to the upper part of the insulating body, the steel foot is installed inside the steel cap, and the bottom of the steel foot passes through the insulating body. The present invention arranges a mounting assembly inside the steel cap, wherein an adjustment groove is arranged between two groups of clamping tables, and an adjustment ball head can be placed inside the adjustment groove, and a fixing sheet and an elastic sheet are arranged outside a connecting rod. The clamping table is bonded to the bottom of the insulating body by an adhesive, and the steel foot can be turned through a horn groove and an adjustment groove, so that the porcelain insulator can effectively reduce the damage caused by the overall vibration when encountering strong winds. After an insulator string is formed, when encountering strong winds, a group of porcelain insulators is deflected, and the porcelain insulators below it are forced to reset vertically under the action of gravity, that is, the porcelain insulators in the insulator string are both integrated and independent of each other, which effectively enhances its wind resistance.
Owner:LILING PUKOU HUAGAO ELECTRIC CERAMIC & ELECTRICAL APPLIANCE CO

Insulation street code structure

The utility model discloses an insulating street code structure which comprises a street code adjusting mechanism and a street code installing plate installed at the bottom of the street code adjusting mechanism, a connecting mechanism is arranged on the inner side of the top of the street code adjusting mechanism, a fixing threaded sleeve is arranged in the connecting mechanism, the street code adjusting mechanism comprises an adjusting support, and the adjusting support is provided with a fixing threaded sleeve. Limiting sliding plates are symmetrically installed on the two sides of the bottom of the adjusting support, limiting sliding blocks are symmetrically installed on the two sides of the interior of the adjusting support, spring connecting pieces are fixedly installed on the sides, close to the adjusting support, of the tops of the two limiting sliding plates, and spring telescopic rods are fixedly connected to the tops of the spring connecting pieces; the fixed sliding ring is shifted upwards, so that the fixed sliding ring drives the limiting clamping block to slide along the first insulation cable connector under the elastic force action of the fixed spring, and when the limiting clamping block is separated from the limiting baffle, the distance between the first insulation cable connector and the second insulation cable connector is adjusted according to the characteristic that the limiting sliding block is in sliding connection with the adjusting sliding groove.
Owner:FOSHAN SHUNDE DISTRICTJIADIAN ELECTRICAL APPLIANCE CO LTD

Composite porcelain insulator string

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

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