123results about "Supporting insulators" patented technology

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.

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.

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.

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.

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.

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).

The application belongs to the technical field of power distribution equipment, and particularly relates to a lightning protection column type porcelain insulator with a built-in annular discharge gap. The annular electrode of the lightning protection column type porcelain insulator is prone to pollution, which leads to a decrease in the discharge voltage, causes mis-discharge, accelerates damage and increases operation and maintenance costs. The present application discloses the following scheme, which comprises a core rod, an insulator body is arranged on the outer wall of the core rod, and a setting frame is fixedly connected to the lower end of the outer wall of the core rod. The lightning protection column type porcelain insulator with a built-in annular discharge gap has the advantages that the arc surface cleaning plate is driven by the wind to rotate along the surface of the annular electrode by using the lightning protection cleaning assembly, and the plurality of bristles on the arc surface cleaning plate clean the dust and impurities on the annular electrode in the process, so as to ensure the cleanliness of the surface of the annular electrode, thereby avoiding the decrease in the discharge voltage of the gap caused by the dust on the surface of the annular electrode, and preventing the early discharge or mis-triggering. The insulator is not damaged, and the power equipment is protected.

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.

The invention discloses a basin-type insulator with a partial discharge detection function for a GIS (Gas Insulated Switchgear), and relates to the technical field of equipment detection, the basin-type insulator comprises a basin-type insulator and a metal flange which are coaxially arranged, and the metal flange is fixed on the outer edge of the basin-type insulator; the outer edge of the basin-type insulator is provided with a grounding electrode assembly. The ultrahigh-frequency self-sensor is fixed on the outer side of the edge of the metal flange and penetrates through the metal flange to be connected with the grounding terminal. The ultrahigh frequency sensor is integrally fused in the basin-type insulator, so that the problems that existing built-in sensors are few in distribution points and small and micro defects are difficult to find are solved on the basis that the original performance of the GIS is not affected.

The application provides a new type of gas insulated rigid power transmission line with a spiral support structure and an optimization method thereof, which comprises three support insulators, a high-voltage conductor, a grounding shell, a high-voltage side / grounding side metal insert, a spiral metal ring and a roller. Compared with the original structure, the spiral metal ring and the roller are used to effectively improve the assembly convenience. The improved stable triangular support structure significantly improves the mechanical strength and stability, avoids the tilting and fracture risks of the three single support insulators caused by unbalanced stress, and can meet the support of conductors with different GIL arrangement angles. The application designs the structure of the new type of spiral support insulator, effectively reduces the electric field and stress of the insulating support insulator, improves the insulating performance, and improves the reliability of the safe operation of the power transmission line.

The utility model discloses a novel line column type insulator which comprises an insulating core rod, an umbrella skirt sheath is arranged outside the insulating core rod, the top end and the bottom end of the insulating core rod are respectively and fixedly connected with an upper accessory and a lower accessory, the interior of the upper accessory is rotatably connected with a pipeline clamping sleeve, the pipeline clamping sleeve comprises a main body, and the main body is fixedly connected with the umbrella skirt sheath. The main body is provided with an opening, the main body is internally provided with a placing groove, and the two ends of the main body are fixedly connected with protruding skirt edges, and belongs to the technical field of electric power transmission and distribution line insulators. According to the novel line column type insulator, the wire is installed into the pipeline clamping sleeve through the opening, then the pipeline clamping sleeve is rotated by 180 degrees, the opening faces downwards, the wire is rapidly installed, site construction is simple and rapid, time and labor are saved, an upper accessory is made of a novel modified composite material and is not prone to abrasion, and the arc distance of the insulator is lengthened; the power frequency withstand voltage and the impact withstand voltage of the insulator are remarkably improved, and the electric field distribution at the upper end of the insulator is more uniform.

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.

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.

The invention discloses a modified PBO fiber reinforced epoxy resin composite material as well as a preparation method and application thereof. The composite material comprises matrix resin and modified PBO fibers, wherein the matrix resin is prepared from the following components in parts by mass: 100 parts of epoxy resin, 75 to 85 parts of methylhexahydrophthalic anhydride and 0.3 to 0.8 part of 2, 4, 6-tri (dimethylaminomethyl) phenol; the modified PBO fibers account for 1-4% of the modified PBO fiber reinforced epoxy resin composite material by mass. The preparation method effectively solves the problems of strong surface inertia and poor interface adhesion with epoxy resin of the PBO fiber, obviously improves the interface shear strength, mechanical properties, thermal stability and thermal conductivity of the composite material through synergistic physical etching and chemical bonding, keeps high breakdown strength, and has the advantages of mild and controllable process, small fiber damage and low cost. The method is suitable for manufacturing the extra-high voltage insulation core rod.

The present application belongs to the field of direct current transmission, and particularly relates to a support insulator, an insulating support structure and a direct current GIL. In order to solve the technical problem that the electric field lines pass through the support insulator in the prior art, resulting in that the normal field intensity of the side surface of the support insulator is too large, the present application provides a support insulator, which comprises a high-potential support surface for supporting a conductive rod, a low-potential support surface for supporting an insulating cylinder and a side surface, the high-potential support surface and the low-potential support surface are both arc surfaces, the axis of the high-potential support surface and the low-potential support surface corresponds to the axis of the matched conductive rod, and the extension line of the projection of the side surface of the support insulator in the direction of the axis of the corresponding conductive rod intersects with the axis of the conductive rod. The present application further provides an insulating support structure and a direct current GIL using the support insulator. By making the electric field lines parallel to the side surface of the support insulator, the normal field intensity of the side surface of the support insulator can be reduced, and the surface flashover voltage and the insulating strength of the support insulator can be improved.

Embodiments of the present disclosure provides a busway assembly, a busway connector and a partition plate thereof. The partition plate of the busway connector includes: a separator body including a first surface and a second surface that are opposite to each other; at least one conducting member mounted in the separator body; a first conductor fixed on the first surface; and a second conductor fixed on the second surface and electrically connected to the first conductor through the at least one conducting member.

The invention discloses a windproof porcelain insulator and a preparation method thereof, and relates to the field of porcelain insulators, the windproof porcelain insulator comprises a first umbrella skirt and a second umbrella skirt, the first umbrella skirt is provided with a first round hole, and the first round hole obliquely penetrates through the upper and lower surfaces of the first umbrella skirt; the first round hole penetrates through the upper surface of the first umbrella skirt and is close to the inner ring of the first umbrella skirt, and the first round hole penetrates through the lower surface of the first umbrella skirt and is close to the outer ring of the first umbrella skirt. According to the porcelain insulator, through the innovative design and manufacturing process, the wind resistance, the self-cleaning function, the insulating performance and the shock resistance are remarkably improved, meanwhile, assembling is easy and convenient, practicability is high, the problems existing in actual use of a traditional porcelain insulator can be effectively solved, and the porcelain insulator has wide application prospects.

The invention relates to an insulator (1) for high-voltage applications, comprising: - a substantially rotationally symmetric hollow tube (2) made of a glass-fiber-reinforced epoxy resin; - a shield (3) made of silicone, which is provided on the periphery of the hollow tube (2); - a base flange (4) at a lower end (5) of the hollow tube (2); - a retainer (6) for an operating means for high-voltage applications at an upper end (7) of the hollow tube (2); wherein: the insulator (1) has a closure element (8), more particularly a stopper, which is disposed within the hollow tube (2) and closes the terminal face of the upper end (7) of the hollow tube (2) and seals said terminal face with respect to the outside; the retainer (6) has a rotationally symmetric connection region (9); the insulator (1) has, at the upper end (7) of the hollow tube (2), a radially peripheral joining region (10), which is free of silicone shield (3); the retainer (6) can be connected to the insulator (1) such that the connection region (9) of the retainer (6) interlockingly surrounds the joining region (10) of the insulator (1).

The present invention relates to an overhead distribution line-fixing apparatus allowing wire branching, the apparatus comprising: a metal arm (10); jumper wire-fixing insulators (20); a branch sleeve (30); and a protective cap (40). As such, diverting electricity to overhead transformers or underground is facilitated, and replacing jumper wire-fixing insulators (20) is convenient and the maintenance cost of same is reduced.

The invention discloses a waterproof stringing porcelain insulator, and relates to the field of insulators, the waterproof stringing porcelain insulator comprises a porcelain column mounted on a support plate and a porcelain skirt on the outer side of the porcelain column, a support table is fixed at the top end of the porcelain column, the support table is used for supporting a cable, a lantern ring is arranged between the support table and the porcelain skirt, and the lantern ring sleeves the outer side of the porcelain column. An annular groove is formed in the outer side of the lantern ring, and a binding wire is wound between the lantern ring and the cable. The annular groove formed in the outer side of the lantern ring provides a special fixing hole for an insulating binding wire (such as a glass fiber binding wire), so that the binding wire is always in an insulating state, radial sliding of the binding wire on the surface of the lantern ring can be effectively limited, and the situation that the binding wire is directly connected with the porcelain bottle, and consequently the porcelain bottle is abraded is avoided; the fitting degree with the cable can be kept all the time, and the problem of local stress concentration caused by deviation of the binding wire in a traditional groove-free design is solved.

The utility model discloses a windproof line column type insulator, which belongs to the technical field of electric porcelain equipment and comprises a ceramic column, a plurality of circles of umbrella skirts are axially arranged on a column body of the ceramic column, the top of the ceramic column is connected with a ball seat through cement, a connector lug bottom ball joint is embedded in an inner cavity of the ball seat, and the top of a connector lug is connected with a cable. The bottoms of the ceramic columns are connected with mounting screws through cement; the insulator is in threaded connection with the mounting hole in the transverse arm through the mounting screw and then is connected with a cable through the connector lug, the connector lug is connected with the top of the ceramic column through the ball joint, free rotation can be achieved, the cable can be conveniently assembled and disassembled, the insulator is not prone to being blown off by strong wind due to the fact that a movement margin is reserved, and the insulator has the advantages of being windproof and convenient to use.

The lightning protection column type insulator structure of the power distribution line comprises a conductive mounting bracket, a main insulator, an auxiliary insulator, and guide arcs, the upper end of the main insulator is connected with one end of a first guide arc, a conductive sheet is arranged in the first guide arc and penetrates the first guide arc horizontally, the lower end of the main insulator is connected with one end of a second guide arc, the upper end of the auxiliary insulator is connected with one end of a third guide arc, and the lower end of the auxiliary insulator is connected with the conductive mounting bracket, a switching mechanism is arranged between the main insulator and the auxiliary insulator, the switching mechanism comprises a rotating shaft and an upper swing rod and a lower swing rod arranged on the rotating shaft, the upper swing rod and the lower swing rod each comprise a conductive rod penetrating the middle part of the swing rod and a conductive head connected with the end part of the conductive rod, the lower swing rod is connected with a conductive shaft in the rotating shaft, when the rotating shaft rotates, the conductive head can slide from one end of the corresponding guide arc to the other end, and the current is switched from the main insulator to the auxiliary insulator or from the auxiliary insulator to the main insulator, and the structure can avoid the occurrence of a one-way grounding fault.

The utility model discloses an electric insulator of a busbar, and relates to the technical field of electric insulators, the electric insulator comprises a fixed support, a bus bar and a lifting seat, the outer side of the fixed support is provided with positioning holes at equal intervals, a positioning mechanism is arranged right above the fixed support, the positioning mechanism vertically positions the bus bar and the insulator, and the lifting seat is arranged on the fixed support. A distance adjusting mechanism is arranged under the fixing support, the distance adjusting mechanism adjusts the clamping range according to the installation requirement, and the requirements for installation and disassembly in different environments are met. According to the utility model, the multiple groups of side clamping grooves with different widths are arranged, and the bus bars with different sizes are positioned by using the side clamping grooves, so that one group of bus bars and the outer sides of the porcelain insulators can be quickly clamped and positioned at one time, and the difficulty of replacing and disassembling the multiple groups of porcelain insulators on the bus bars is reduced.

The utility model relates to a functional composite post insulator, which is mounted between two compartments of a switch cabinet and comprises an insulating main body, a conductor, a threaded insert, a shielding cover and a grading ring, so that the insulating main body is made of insulating materials, a mounting axis is arranged in the insulating main body, the conductor is used for connecting a static contact or a leading-out wire, and the threaded insert is used for connecting the shielding cover and the grading ring. The conductor, the shielding cover and the grading ring are coaxially installed in the insulation body with an installation axis as the axis, the grading ring is connected with the outer side wall of the lower end of the conductor in a sleeved mode, the shielding cover is arranged on the outer side of the grading ring, the shielding cover and the grading ring are arranged at intervals, the interval is filled with insulation materials, and an installation plate is arranged on the outer side wall of the insulation body. The threaded insert is installed on the installation plate in an embedded mode and connected with the shielding cover through a wire. The problem that a false CT structure is adopted in a current transformer-free scheme in a longitudinal rotation type switch cabinet is solved, the excessive waste of insulating materials and the cost increase are reduced, and the overall weight of the switch cabinet is reduced.

The inner insulation partition plate of the present application is composed of a sealing plate 1 and a supporting plate 2, which can be combined and installed flexibly according to product requirements, can be close together or at a certain distance, one sealing plate 1 can be matched with one or more supporting plates 2, or one or more sealing plates 1 can be matched with one supporting plate 2, and exhaust holes 4 are arranged at the set position of the insulation tube 3 with a silicon rubber umbrella skirt, and after the sealing partition plate 1 and the supporting plate 2 are installed and positioned, the holes 4 are plugged with hard solid insulation material and the same silicon rubber as the umbrella cover. The product of the present application is simple to manufacture, the installation process is novel and unique, the electrical performance and mechanical performance advantages of the two are maximized, and the product cost is reduced.

The invention relates to a hollow insulator (1) for high electric voltages. Said hollow insulator (1) comprises an insulating tube (3) and a covering (5) of the insulating tube (3) made from a fiber-reinforced plastic, which is placed on an outer surface of the insulating tube (3). The invention further relates to a method for producing said type of hollow insulator (1).

The invention discloses a power wire insulation supporting device capable of live-line work, and the device can employ a mode of combining an operation screw rod and a gland sliding pair, and assists the self-locking and anti-loosening buckle type structure of the operation screw rod to fixedly install an overhead wire. The fixing structure is stable, multiple anti-loosening measures are adopted, the design is stable, the application effect is standard and unified easily, and the binding modes are prevented from being different from people. And after use, the related electric wires are firm and stable and are not easy to loosen. The mode of combining the operation screw and the hinge lever can also be adopted, the gland serves as a lever, and the overhead conductor is fixedly installed through a thread self-locking anti-loosening buckle type structure of the operation screw in an auxiliary mode. The fixing structure is stable, multiple anti-loosening measures are adopted, the design is stable, the application effect is standard and unified easily, and the binding modes are prevented from being different from people. And after use, the related electric wires are firm and stable and are not easy to loosen.