Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

393results about "Supporting insulators" patented technology

Antifouling self-cleaning pillar electric porcelain insulator

The invention belongs to the technical field of insulators, and discloses an antifouling self-cleaning pillar electric porcelain insulator, which comprises an insulator assembly, a pneumatic cleaning arm assembly is arranged on the insulator assembly, and the pneumatic cleaning arm assembly forms a pneumatic driving type cleaning arm structure for the insulator on the insulator assembly. The pneumatic cleaning arm assembly forms a cleaning arm structure capable of rotating annularly and rotating on the insulator assembly, in the annular cleaning process, a fixed-point self-folding cleaning arm structure and a through-point self-unfolding cleaning arm structure are formed on the pneumatic cleaning arm assembly, and the annular rotating and rotating structure is formed in the annular bin through the gear moving gear. At the moment, the pneumatic cleaning arm assembly forms a cleaning driving structure which rotates annularly and automatically on the insulator assembly, that is, on the basis that the pneumatic cleaning arm assembly rotates annularly and automatically, one-time cleaning of the supporting column electric porcelain insulator through the cleaning brush is achieved, and on the basis that the pneumatic cleaning arm assembly rotates annularly and automatically, one-time cleaning of the supporting column electric porcelain insulator through the cleaning brush is achieved. And secondary cleaning of annular motion and autorotation of the pillar electric porcelain insulator by the air outlet groove hole is realized.
Owner:LILING DONGFANG ELECTROCERAMIC CO LTD

Power insulator calibration device

The utility model belongs to the technical field of insulator calibration, and particularly relates to an electric power insulator calibration device which comprises an insulating shell, a fixed base is fixedly connected to the inner wall of the insulating shell, an insulator body is arranged on the outer wall of the top end of the insulating shell, and a center rotator is fixedly connected to the bottom end of the insulator body. A connecting rod is fixedly connected to the outer wall of the center rotator, a fixing device is arranged on the inner wall of the insulating shell, the fixing device comprises a threaded rod, the threaded rod penetrates through the insulating shell and is rotationally connected with the inner wall of the insulating shell, and a connecting seat is fixedly connected to the outer wall of the threaded rod. According to the electric power insulator calibration device, the threaded rod drives the clamping head to be clamped into the clamping groove by rotating the insulating handle, the insulator body is clamped and fixed, and meanwhile, the insulator body is provided with two sets of stabilizers which slide in the sliding groove within a small range, so that the insulator body is stabilized.
Owner:SHAANXI YOUQI SAIHANG ELECTRIC POWER TECHNOLOGY CO LTD

Power transmission tower

Provided in the present application is a power transmission tower, comprising a tower body and a composite cross arm arranged on the tower body. The composite cross arm comprises a post insulator, a diagonal tension insulator and a node fitting, wherein first ends of the post insulator and the diagonal tension insulator are both connected to the tower body, and second ends thereof are connected together by means of the node fitting. The node fitting comprises: a first connecting fitting and a second connecting fitting; and two wire hanging fittings, both of which are connected to the second connecting fitting, the first connecting fitting being connected to the second connecting fitting by means of one of the wire hanging fittings, wherein both the two wire hanging fittings are used for hanging a conductive wire. The post insulator is connected to the first connecting fitting, and the diagonal tension insulator is connected to the first connecting fitting or the second connecting fitting. The described design enables the bearing capacity of the node fitting to be improved, reducing the manufacturing cost of the power transmission tower.
Owner:SHANGHAI SHEMAR POWER ENG CO LTD

Method and device for releasing residual stress of epoxy composite insulator

The method comprises the following steps: preparing an epoxy sample with a bidirectional strain gauge, carrying out multi-stage thermal cycle treatment on the epoxy sample, and recording strain data to determine an optimal treatment parameter combination, namely temperature, heat preservation time, cooling rate and cycle index; carrying out stress reduction treatment on the epoxy composite insulator based on the optimal treatment parameter combination; the device comprises a programmable oven, a strain gauge and an upper computer. The method is easy and convenient to operate and low in cost, through multi-scale collaborative optimization, the residual stress of the current commercial epoxy composite insulating part can be remarkably reduced, the reliability of the epoxy composite insulating part for the ultra / extra-high voltage power equipment is remarkably improved, and the method has wide engineering application prospects.
Owner:TIANJIN UNIV

A kind of anti-fouling self-cleaning pillar electric porcelain insulator

The present invention belongs to the technical field of insulators, and discloses an anti-fouling self-cleaning pillar electric porcelain insulator, comprising an insulator assembly, on which a pneumatic cleaning arm assembly is arranged, the pneumatic cleaning arm assembly forms an air-driven cleaning arm structure for the insulator on the insulator assembly, and the pneumatic cleaning arm assembly forms a circumferentially rotating and self-rotating cleaning arm structure on the insulator assembly, during the circumferentially moving cleaning process, a fixed-point self-folding cleaning arm structure and a passing-point self-expanding cleaning arm structure are formed on the pneumatic cleaning arm assembly, and a circumferentially moving and self-rotating structure is formed in an annular bin through a toothed gear, that is, at this time, the pneumatic cleaning arm assembly forms a circumferentially moving and self-rotating cleaning drive structure on the insulator assembly, that is, on the basis of the circumferentially moving and self-rotating pneumatic cleaning arm assembly, a primary circumferentially moving and self-rotating cleaning of the pillar electric porcelain insulator by a cleaning brush is achieved, and on the basis of the circumferentially moving and self-rotating pneumatic cleaning arm assembly, a secondary circumferentially moving and self-rotating cleaning of the pillar electric porcelain insulator by an air outlet slot is achieved.
Owner:LILING DONGFANG ELECTROCERAMIC CO LTD

12kV pillar type insulator with high bending resistance and tensile property

The invention relates to a 12kV pillar type insulator with high bending resistance and tensile property, which comprises an insulator body, and the insulator body adopts a large-diameter pillar type structure and can effectively resist external mechanical stress. And the high-strength fiber material is embedded into the insulator body to form a composite structure, so that the tensile property can be remarkably improved. The connection part of the insulator body and the power distribution cabinet adopts a flange structure, so that firm and reliable connection can be ensured. Multiple sealing structures are arranged on the periphery of the insulator body so as to prevent moisture from invading, and the insulation performance is guaranteed. The defect that a traditional insulator is insufficient in bending resistance and tensile property is overcome, key parts of the product are made of advanced reinforced composite insulating materials, the bending resistance and tensile property of the product are improved by optimizing the structural design of the insulator, and safe and stable operation of an electric power system is ensured. By optimizing structural design, material selection, connection design, bending resistance and tensile property, safe and stable operation of a power system is ensured.
Owner:THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP

Self-centering voltage standoff

An insulator that may be self-centering is disclosed. The insulator includes an alignment feature that allows it to self-center during installation. In some embodiments, the insulator is created with a captive fastener with a specific alignment feature. The internal cavity of the insulator is formed so as to have a corresponding alignment feature. When tightened, the captive fastener is pressed into the alignment feature of the internal cavity, allowing it to self-center. In other embodiments, the mating electrode is also modified to include a corresponding alignment feature. For example, in some embodiments, the alignment feature on the electrode comprises a specially shaped depression, while the insulator has a corresponding protrusion. In other embodiments, the insulator also has a protective shield.
Owner:APPLIED MATERIALS INC

Composite cross arm and power transmission pole

The invention discloses a composite cross arm which comprises a first cross arm, the first cross arm is of an inverted-V-shaped structure, and the top and the two ends of the first cross arm are used for hanging wires respectively; one end of each second cross arm is connected to the middle of the first cross arm, the other end of each second cross arm is used for being connected with an electric pole, the second cross arms are obliquely arranged in the length direction, the second cross arms are arranged below the first cross arms, and the second cross arms and the first cross arms are located in the same vertical plane; and the other ends of the two second cross arms are connected to the two sides of the electric pole through the two connecting fittings respectively. According to the composite cross arm, an all-insulation structure is adopted, the hanging height of the wire is integrally increased through the second cross arm, accidents such as tripping caused by electric shock of birds can be effectively prevented, the safety is higher, and the operation and maintenance cost is lower. The invention further discloses a power transmission pole.
Owner:JIANGSU SHENMA ELECTRIC CO LTD

Basin-type insulator

The utility model discloses a basin-type insulator, comprising a flange ring, an insulator body and a conductor insert, the inner circumferential wall of the flange ring is provided with an annular groove, the annular groove extends along the circumferential direction of the flange ring, one side of the annular groove far away from the axial lead of the flange ring is provided with a plurality of clamping grooves, and the plurality of clamping grooves are arranged along the circumferential direction of the flange ring. The side, away from the axis of the flange ring, of at least one clamping groove penetrates to form a pouring opening, the insulator body is of an arc-shaped structure arching upwards, the insulator body is installed in the annular groove, a plurality of clamping parts corresponding to the clamping grooves are arranged on the peripheral wall of the insulator body, the clamping parts are arranged in the clamping grooves in a clamped mode, and the conductor insert is arranged on the insulator body. According to the basin-type insulator, the structural strength can be effectively improved, and the requirement of GIS equipment adopting mixed gas for higher structural strength of the basin-type insulator is met.
Owner:湖南长高电气有限公司 +1

Lightweight high-insulation core composite material and preparation method and application thereof

The invention provides a lightweight high-insulation core composite material as well as a preparation method and application thereof, and relates to the technical field of lightweight high-insulation core composite materials. According to the invention, the foam core body with a uniform foam structure is subjected to fiber reinforcement, so that the foam core body has excellent electrical insulation performance, the pollution flashover phenomenon is reduced, the long-term stability of the material is ensured, the reliability of equipment is improved, and the service life of the equipment is prolonged. Through combination of the light core body and the fiber reinforcement layer, the composite material can effectively meet the requirements of high-voltage and ultra-high-voltage power transmission environments when being used as a post insulator, and the preparation method of the composite material provided by the invention has a simple process flow and high production efficiency, and is suitable for large-scale popularization and application.
Owner:MAINTENANCE & TEST CENTRE CSG EHV POWER TRANSMISSION CO +1

Wet flashover-proof high-voltage post porcelain insulator

The utility model discloses an anti-wet flashover high-voltage post porcelain insulator, which relates to the technical field of post porcelain insulators, and comprises a core column, a metal cap is arranged at the bottom of the core column, the metal cap is sleeved on the core column, an adhesive is filled between the metal cap and the core column, a circular ring is clamped in the metal cap, and the circular ring is sleeved on the core column. The circular ring surrounds the outer side of the core column, a limiting assembly is arranged between the circular ring and the core column, the limiting assembly comprises an elastic piece and a clamping groove, the clamping groove is formed in the outer wall of the core column, the elastic piece is fixedly connected to the inner ring of the circular ring, and the elastic piece abuts against the bottom of the clamping groove. According to the wet-flashover-proof high-voltage pillar porcelain insulator, the circular ring, the elastic sheet, the clamping groove and other structures are arranged, when the elastic sheet corresponds to the clamping groove, the elastic sheet is reset due to elastic force and abuts against the bottom of the clamping groove, butt joint of the metal cap and the core column is achieved, and the connection strength between the metal cap and the core column is improved.
Owner:PINGXIANG GREAT ELECTROCERAMICS

A combined insulator for electric power

The present invention belongs to the technical field of insulators, and in particular to a combined insulator for electric power. The following scheme is proposed, including an insulator body, wherein the insulator body is composed of a connecting rod and a plurality of insulating parts, and the plurality of insulating parts are equidistantly sleeved on the outer wall of the connecting rod, the connecting rod is made of metal, the insulating parts are made of ceramic, and the insulating parts are umbrella-shaped. One end of the connecting rod is connected to a mounting seat by bolts, and the outer wall of the mounting seat is provided with a plurality of mounting holes. The other end of the connecting rod is connected to a support frame by bolts, and a restraining mechanism is arranged inside the support frame. In the present invention, the piston plate will push the extension plate to extend out from the inside of the pull-out groove under the action of air pressure, so as to facilitate the sealing of the top of the support frame, thereby facilitating the prevention of the transmission line from swinging under the action of wind force and causing the transmission line to fall off the insulator, and can improve the stability of the insulator installation, thereby facilitating the fixing of the insulator.
Owner:JIANGXI HUAYAO ELECTRIC CO LTD

A multi-chamber gap arrester

The present invention belongs to the technical field of lightning arresters, and particularly relates to a multi-chamber gap lightning arrester. In the multi-chamber gap lightning arrester of the present invention, the air gap formed between the first discharge ball and the second discharge ball is a main air gap, and the low-voltage end of the fixed gap insulator and the multi-chamber gap lightning arrester body is fixed on the reference plane of the fixing member. When the reference plane is a plane, it can ensure that the low-voltage end of the fixed gap insulator and the multi-chamber gap lightning arrester body is on the same plane, and the fixed gap insulator and the multi-chamber gap lightning arrester body are connected into one by a conductive support member, ensuring that the main air gap cannot be offset under the action of external force, and ensuring the stability of the multi-chamber gap lightning arrester during lightning impulse action.
Owner:GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD

Lightning protection column type porcelain insulator

The utility model relates to the technical field of line lightning protection devices, in particular to a lightning protection column type porcelain insulator which comprises a rotating rod, a bolt is in threaded connection with the lower portion of the outer surface of the rotating rod, a cross arm is fixedly connected with the upper portion of the outer surface of the rotating rod, and a plurality of insulator umbrella skirts are fixedly connected with the outer surface of a ceramic column. The upper end of the ceramic column is fixedly connected with a buffer device, the middle part of the outer surface of the buffer device is fixedly connected with a protection device, and the right part of the outer surface of the ceramic column is fixedly connected with an arc striking rod. According to the lightning protection column type porcelain insulator of the utility model, the buffer device and the protection device are arranged, and the buffer spring can play a buffer role, so that the impact force on the plurality of insulator umbrella skirts and the ceramic column can be reduced, and the plurality of insulator umbrella skirts and the ceramic column can be prevented from being damaged; therefore, external sundries can be prevented from falling on the plurality of insulator umbrella skirts to affect the anti-breakdown effect of the plurality of insulator umbrella skirts.
Owner:JIANGXI ZHENGGUANG INSULATOR CO LTD

Lightning protection pillar porcelain insulator with protective sleeve

The utility model discloses a lightning protection pillar porcelain insulator with a protective sleeve, which relates to the technical field of porcelain insulators and comprises a core column, a wire sleeve is glued on the top of the core column through an adhesive, a partition plate is fixedly connected in the wire sleeve and divides the interior of the wire sleeve into a threading cavity and a positioning cavity, and the wire sleeve is provided with a protective sleeve. The positioning cavity surrounds the outer side of the core column, two wire conduits are fixedly connected to the outer wall of the wire sleeve, the two wire conduits are symmetrically distributed about the axis of the wire sleeve, the wire conduits are communicated with the threading cavity, and a clamping plate used for clamping a cable is arranged in the threading cavity. According to the lightning protection pillar porcelain insulator with the protection sleeve, through arrangement of the threading cavity, the wire conduit, the clamping plate and other structures, penetration of a cable is facilitated, the clamping plate moves downwards to limit the cable, the purpose of clamping the cable is achieved, the protection effect can be achieved, meanwhile, frequent shaking of the cable on the insulator is prevented, and abrasion is reduced.
Owner:PINGXIANG CHANGLING ELECTRIC PORCELAIN MFG CO LTD

A preparation method of a zero-value self-diagnostic slice film of an experimental insulator

The application belongs to the technical field of insulator zero value defect diagnosis. A preparation method of a self-diagnosis slice film of an experimental insulator, characterized in that the method comprises the following steps: 1) preparing electroluminescent paint: taking polydimethylsiloxane as paint base, and adding ZnS:Cu fluorescent powder into the polydimethylsiloxane; 2) cleaning and ultraviolet irradiating a glass sheet; 3) preparing a film by a doctor blade method: after calibrating the position of the doctor blade, evenly spreading the electroluminescent paint on the glass sheet by a small spoon; 4) curing and cutting the coating part: placing the glass sheet with the film into a vacuum drying box, curing the glass sheet with the film at a temperature of 115-125 DEG C for 1-4 h, and then cutting the coating part on the glass sheet. The method can control the thickness and uniformity of the electroluminescent film, reduce the error that may occur when manually spraying the electroluminescent paint on the insulator, and the slice film has certain toughness after curing, and cannot be easily damaged, and can be repeatedly tested or used.
Owner:XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER +1

Composite column type insulator with long steel foot structure

The utility model provides a composite column type insulator with a long steel foot structure, which comprises a composite column type insulator body and a long steel foot connected to one end of the composite column type insulator body, the long steel foot comprises a columnar part and a mounting part, and the columnar part is connected with a positioning assembly; the positioning assembly comprises a sliding ring slidably connected to the periphery of the columnar part in a sleeving mode and a supporting foot rotationally connected with the sliding ring, and the lower end of the supporting foot is rotationally connected with a connecting foot. According to the device, the positioning assembly is connected to the periphery of the columnar part of the long steel leg, the positioning assembly comprises the sliding ring slidably connected to the periphery of the columnar part in a sleeving mode and the supporting leg rotationally connected with the sliding ring, the lower end of the supporting leg is rotationally connected with the connecting leg, and after the mounting part is connected with the mounting base, the sliding ring slides downwards and the supporting leg rotates, the supporting leg is fixedly connected with the mounting base through the connecting leg; according to the composite column type insulator, the cylindrical part, the supporting legs and the mounting base form triangular positioning, so that the composite column type insulator can be stably mounted, and a triangular positioning structure formed by the positioning assembly can be adjusted through sliding of the sliding ring to adapt to different mounting conditions.
Owner:ZHONGRUI ELECTRIC

High-strength insulating cross arm capable of preventing lead from falling off

The invention discloses a high-strength lead falling prevention type insulated cross arm, and particularly relates to the technical field of electric power systems, equipment comprises a composite cross arm, a butterfly insulator and a binding wire, a connecting mechanism for fixing the butterfly insulator and the binding wire is arranged on the surface of the composite cross arm, and the composite cross arm is connected with the butterfly insulator and the binding wire through the connecting mechanism. The nut is screwed to be in threaded connection with one end of the bolt, the bottom of the nut extrudes the binding wire and the butterfly insulator, so that the butterfly insulator is fixed to the composite cross arm, the binding wire is fixed to the butterfly insulator, an original galvanized iron piece, an original bolt fitting, an original binding wire and an original butterfly insulator are combined into a whole, factory machining and prefabrication are utilized, and the overall performance of the composite cross arm is improved. The device is assembled before leaving a factory, field processing and assembling are avoided, the working efficiency is further improved, meanwhile, the composite cross arm is made of a novel composite material, the service life of the composite cross arm can be prolonged, the operation cost is further reduced, the construction cost is saved, the process standard is unified, and the construction quality is improved.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO SHOUGUANG POWER SUPPLY CO

GIL with coordinated arrangement of electrodes and particle traps

The present invention provides a GIL with coordinated electrodes and particle traps. The GIL comprises: a conductor disposed within a metal housing; a post insulator disposed on the conductor; a first trap plate disposed within the metal housing in an axial direction corresponding to the post insulator, the first trap plate having a first trap groove on its side facing the post insulator; a blocking electrode disposed on the conductor in an axial direction of the metal housing, spaced from the post insulator; and a second trap plate disposed within the metal housing in an axial direction corresponding to the blocking electrode, the second trap plate having a second trap groove on its side facing the blocking electrode. The blocking electrode has a blocking slope inclined toward the second trap plate, the blocking slope being arranged at an angle to the axis of the metal housing. The technical solution provided by this application can solve the problem of metal particles trapped in the trap groove in related AC / DC GILs escaping from the trap groove.
Owner:GUANGDONG POWER GRID CO LTD +1

Antifouling post insulator

The utility model discloses an antifouling post insulator, which comprises a metal accessory, a cement adhesive, a porcelain piece and an umbrella skirt, and the two ends of the porcelain piece are glued in the metal accessory by the cement adhesive. An annular creepage extender protruding downwards is adhered to the lower portion of each umbrella skirt of the porcelain piece. According to the utility model, the creepage distance of the post insulator can be increased by using the creepage extender, and the electrical performance of the post insulator is improved; the good hydrophobicity of the silicone rubber material enables rainwater to form water drops on the creepage distance increasing surface, and as dirt dissolved in the water drops is discontinuous, the probability of leakage current formation is further reduced, and the dirt flashover voltage of the post insulator is improved. The utility model has the advantages of simple process and low cost, and improves the qualified rate of products.
Owner:DALIAN INSULATOR GRP T&D CO LTD

Support insulator

To provide a support insulator which can stably support a plurality of insert metal parts in a well-balanced manner.SOLUTION: A support insulator (10) includes a body part (11) formed of a resin, and a plurality of insert metal parts (12) embedded in the end in an extension direction of the body part. The body part includes a lower cylindrical body (21) which forms the outer periphery of the end in the extension direction and has an approximately cylindrical shape, a plurality of lower holding bodies (22) which are provided inside the lower cylindrical body and hold the insert metal parts, and a rib (23) which extends inward from the inner periphery of the lower cylindrical body and supports the holding bodies. A plurality of ribs are provided on the lower holding bodies. The plurality of ribs include a pair of first connection ribs (25) for connecting a space between the adjacent lower holding bodies around a central axis and the inside of the lower cylindrical body, and a second connection rib (26) for connecting the lower holding bodies and the inside of the lower cylindrical body between the pair of first connection ribs.SELECTED DRAWING: Figure 2
Owner:FUJI ELECTRIC CO LTD

IMPROVED TWO-PART BUS BAR SUPPORT INCLUDING A CLIP BETWEEN THE TWO PARTS.

The invention relates to a support (10) for a bus bar (20) comprising two parts (11, 12) each having two surfaces (11a, 11b, 12a, 12b) preferably substantially planar and perpendicular to each other, arranged to form with the two surfaces of the other part among said two parts (11, 12), a through cavity or a passage; a base (11c, 12c) comprising a hole or a fixing means, and, a complementary shape (11f, 12f) to a shape (11f, 12f) of the other, among the two parts (11, 12), arranged to form together with said shape (11f, 12f) of the other among the two parts, a fastener (1112) between the two parts (11, 12). Advantageously, it is thus possible to obtain a support (10) for a bus bar (20) which is solid, reliable, easy and quick to assemble and inexpensive. Fig. 2
Owner:AIRBUS OPERATIONS (SAS)

Laundry treating apparatus

A laundry treating apparatus is disclosed. The laundry treating apparatus comprising a first treating apparatus (10) including a first cabinet (110) for forming an appearance of the first treating apparatus (10), including first side panels (115) and a first rear panel (118). A first front panel (112) being disposed at a front of the first cabinet (110), a first laundry inlet defined at a front face of the first treating apparatus (10), and a first drum (12) disposed inside the first cabinet (110) in a front-rear direction to accommodate laundry through the first laundry inlet. A second treating apparatus (20) including a second cabinet (120) for forming an appearance of the second treating apparatus (20), including second side panels (125) and a second rear panel (128), a second front panel (122) disposed at a front of the second cabinet (120), a second laundry inlet defined at a front face of the second treating apparatus (20), and a second drum (22) disposed inside the second cabinet (120) in the front-rear direction to accommodate laundry, the second treating apparatus (20) being located beneath and supporting the first treating apparatus (10), a front insulating member (450) made of an electrically insulating material and coupled to the front of the first cabinet (110); and an upper frame (400) coupled to a top front of the second cabinet (120) and coupled to the front insulating member (450) at a lower front of the first cabinet (110). Wherein the front insulating member (450) is coupled to the upper frame (400) to electrically insulate the upper frame from the first treating apparatus.
Owner:LG ELECTRONICS INC

High-voltage line column type porcelain insulator with high bending strength

The invention relates to the technical field of insulators, in particular to a high-voltage line column type porcelain insulator with high bending strength. The porcelain insulator comprises a porcelain insulator body which is sequentially provided with an upper iron cap, a porcelain core rod, a lower flange and an umbrella cover group from top to bottom. The hydrophobic rods are arranged on the surface of the umbrella skirt at the bottommost end in an array mode to form the isolation layer and the water isolation cavity, when liquid water flowing from top to bottom passes through the isolation layer, the top ends of the hydrophobic rods can cut off the continuity of a water film, meanwhile, a static air film intercepted by the water isolation cavity is combined to prevent the liquid water from infiltrating an umbrella skirt substrate material, and therefore the umbrella skirt substrate material is prevented from being damaged. Liquid water flowing through the umbrella skirt is forced to be converted into isolated water drops from a continuous water film through the synergistic effect, rolling is accelerated due to the fact that the contact area of the liquid water and the solid surface is reduced, the water film covering area and the residence time of the umbrella skirt surface are directly reduced in the process, and under the low-temperature condition, ice cores are difficult to grow and firmly adhere to the surface; and the bending strength of the porcelain is further improved.
Owner:PINGXIANG GUOLI ELECTRIC PORCELAIN MANUFACTURING CO LTD

Novel line column type composite insulator

The utility model discloses a novel line column type composite insulator, which comprises a fixed core body, a high-voltage end head is arranged at the top end of the fixed core body, an adhesive film is arranged at the joint of the high-voltage end head and a fixed umbrella cover, and the high-voltage end head and the fixed core body are fixedly adhered through the adhesive film. The bottom end of the fixed core body is sleeved with a metal accessory in a compression joint mode, a threaded connector is formed in the bottom end of the metal accessory, the metal accessory is in threaded connection with a screw assembly through the threaded connector, the outer side of the fixed core body is sleeved with a fixed umbrella cover, and part of the metal accessory is wrapped by the bottom end of the fixed umbrella cover. And the fixed umbrella cover integrally wraps the high-voltage end socket at the upper end. According to the utility model, the electrical performance of a product can be effectively improved, the creepage distance of the product is reasonably and effectively increased, the anti-pollution flashover capability of the insulator is greatly improved, the normal service life of the insulator can be effectively ensured, and the production efficiency of the product is improved.
Owner:DALIAN INSULATOR GRP T&D CO LTD

Insulator mounting structure convenient to disassemble and assemble

The utility model relates to the field of insulators, and discloses an insulator mounting structure convenient to disassemble and assemble, which comprises an insulator main body, the bottom of the insulator main body is fixedly connected with a bottom plate, the bottom of the bottom plate is provided with a connecting block, and the connecting block is internally provided with a first connecting rod. The outer portion of one end of the first connecting rod is fixedly connected with a first supporting plate, the other end of the first connecting rod is fixedly connected with a second connecting rod, the outer portion of one end of the second connecting rod is fixedly connected with a first limiting block, a first groove is formed in the bottom plate, and the outer portion of the first limiting block is placed in the first groove. According to the utility model, when the insulator needs to be disassembled, the telescopic block and the bottom plate which are arranged on the two sides in the first connecting rod are pressed, the bottom plate descends to drive the connecting block to descend, and when the connecting block descends, the connector moves to the lower part of the moving block, and then the connecting block is pulled out upwards to achieve the effect of disassembling the insulator.
Owner:KUNMING POLYTECHNIC POWER ENG TECH CO LTD

Bolted bus bar with finger-proofing

A bus bar assembly (16) includes a nonconductive terminal cap (22) that is configured to secure to an electrically conductive terminal via an attachment feature (24). The terminal cap (22) has a slot (54) that is configured to expose a terminal portion (19) of the terminal (14) in an assembled condition. A bus bar (40) has an end (52) that is configured to be received in the slot (54) in the assembled condition in which the end (52) is in electrical contact with the terminal portion (19) of the terminal (14). A nonconductive shroud (26) encloses the bus bar (40). The end (52) extends through shroud (26).
Owner:APTIV TECHNOLOGIES LTD

Support post insulator and insulating support post

ActiveEP3780021B1Supporting insulators
Disclosed in the present invention is a support post insulator, comprising a hollow insulating tube, an umbrella skirt that is located at the periphery of the hollow insulating tube, and an upper flange and a lower flange that are disposed on two ends of the hollow insulating tube, wherein a gas is sealed inside of the hollow insulating tube, and the absolute pressure of the gas is 0.1-0.15 MPa. Further disclosed is an insulating support post formed by the end-to-end connection of the support post insulators. The support post insulator and the insulating support post of the present invention solve an interface problem present in internal insulating solid material filling, and also solve a gas leaking problem that occurs when using high-pressure gas filling, such that the support post insulator does not need to be detected and maintained. At the same time, the margin of the micro-water control range is improved, and micro-water control and production difficulty is reduced.
Owner:JIANGSU SHENMA ELECTRIC CO LTD

Process and equipment for assembling and maintaining oversized and overweight post porcelain insulator

The invention is applicable to the technical field of preparation of rod-shaped pillar porcelain insulators, and provides an assembly and maintenance process and equipment for an oversized and overweight pillar porcelain insulator, and the assembly process comprises the following steps: S1, adopting a clearance four-point positioning method, sleeving a resin positioning module on the upper edge of a metal accessory, enabling the thickness of the module to be 1-2mm smaller than a designed cementing clearance, and enabling the thickness of the module to be 1-2mm smaller than that of the designed cementing clearance; the distance between the lower edge of the module and the upper edge of the metal accessory is less than or equal to 20mm. According to the assembly and maintenance process and equipment for the oversized and overweight post porcelain insulator provided by the scheme, the problems of low cementing efficiency, non-uniform filling, maintenance waste and the like of the oversized post porcelain insulator are effectively solved through a four-point positioning method, accurate adjustment of the cementing frame and directional dripping maintenance; and meanwhile, clearance consistency is ensured through positioning of the resin module, the whole root is prevented from being soaked through wet sponge pre-curing and water dripping of the water bag frame, the cementing quality is improved, and metal corrosion and resource waste are reduced.
Owner:SINOMA JIANGXI ELECTRICAL PORCELAIN ELECTRIC CO LTD