55 results about "High voltage insulators" patented technology

The invention relates to the technical field of external insulating materials for power equipment, in particular to silicone rubber, a preparation method thereof and application of the silicone rubber in a composite insulator. The silicone rubber is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber raw rubber, 5-20 parts of hydrophobic silicon dioxide aerogel powder, 3-15 parts of conductive and heat-conducting filler, 10-30 parts of modified aluminum hydroxide, 15-35 parts of fumed silica, 1-3 parts of a silane coupling agent and 2-5 parts of a structuring control agent, 1-4 parts by weight of a low surface energy auxiliary agent, and 0.5-2 parts by weight of a vulcanizing agent. The silicone rubber provided by the invention integrates long-acting hydrophobic anti-icing, active low-power-consumption ice melting and excellent arc ablation resistance, has long-term stability, and is especially suitable for high-voltage insulators in severe environments such as heavy ice areas and heavy dirty areas.

The invention discloses a high-voltage porcelain insulator cleaning device and method with a multi-shaft cleaning ring, and belongs to the technical field of porcelain insulator cleaning. The high-voltage porcelain insulator cleaning device comprises a movable bearing unit, a cleaning medium supply unit, a multi-shaft cleaning unit and a control unit; the control unit and the cleaning medium supply unit are arranged on the movable bearing unit; the multi-axis cleaning unit is installed at the operation end of the movable bearing unit, and the multi-axis cleaning unit has multi-dimensional stretching and rotating adjustment degrees so as to adapt to cleaning of porcelain insulators at different positions and angles; the cleaning medium supply unit is communicated with the multi-shaft cleaning unit to supply a cleaning medium; the control unit is electrically connected with the cleaning medium supply unit and the multi-axis cleaning unit and used for receiving the detection signals and outputting control instructions. The problems that in an existing outdoor high-voltage porcelain insulator cleaning mode, the high-altitude operation safety risk is high, the operation efficiency is low, and cleaning of an asparagus area is not thorough can be effectively solved.

The invention provides a method and device for preventing pollution flashover of a high-voltage insulator in a humid and hot environment, and the method comprises the steps: obtaining an insulator surface image, leakage current, environment temperature and humidity, and rainfall data in real time through a multi-dimensional monitoring module; carrying out feature fusion processing on the multi-source data, and judging the pollution grade and the pollutant type of the insulator based on a pre-trained lightweight convolutional neural network and gradient boosting tree fusion model; according to the pollution grade and the pollutant type, the pressure of an air pump, the rotating speed of a brush and a cleaning mode are dynamically adjusted through a self-adaptive active cleaning module, and combined type cleaning operation is executed; and after cleaning is completed, the insulator state data are collected again, and if the pollution grade is not reduced to the preset threshold value, a secondary cleaning instruction is generated and early warning information is reported. According to the invention, accurate monitoring and self-adaptive active cleaning of the dirty state of the high-voltage insulator in the humid and hot environment can be realized, the anti-pollution flashover reliability is obviously improved, the pollution flashover risk is reduced by more than 90%, and the operation and maintenance cost is reduced by 40-50%.

The utility model discloses a high-voltage insulator convenient to assemble, the middle parts of the four side surfaces of a fixing box are provided with fixing grooves, the fixing grooves are internally embedded with fixing rods in a sliding manner, the edge parts of the fixing rods are provided with two pin holes at equal intervals, the pin holes are internally embedded with plug pins in a clamping manner, the fixing rods are externally sleeved with supporting springs, and the supporting springs are connected with the supporting springs in a sleeving manner. The fixing rod and the fixing protruding block are driven through the supporting spring, the position of the base in the fixing box is rapidly fixed, operation of workers is more convenient, after the fixing protruding block stretches into a fixing hole, the fixing protruding block is fixed to the fixing box, the fixing protruding block is fixed to the fixing box, and the base is fixed to the inner side of the fixing box in an embedded and matched mode. By embedding the mounting bolt into the pin hole in the side part of the fixing rod, the position of the fixing rod in the fixing box is stabilized, and the supporting spring is not driven to rebound, so that the base is more stable in the fixing box, and the bolt is pulled out when disassembly is needed.

The present invention provides a dry-type transformer on-load tap-changing switch and a transformer, which relate to the technical field of transformers and aim to solve the technical problem that the existing dry-type transformer on-load tap-changing switch has a large volume due to the high-voltage insulation design between each conductive point. The dry-type transformer on-load tap-changing switch includes a base, a fixed plate, a switch mechanism and a drive mechanism; the fixed plate is located above the base, and a high-voltage insulator is provided between the fixed plate and the base; the switch mechanism is connected to the fixed plate via a low-voltage insulator; the drive mechanism is mounted on the base and connected to the switch mechanism, and can drive the switch mechanism to adjust the voltage. The transformer includes the dry-type transformer on-load tap-changing switch as described above. The dry-type transformer on-load tap-changing switch provided by the present invention uses graded insulation and is smaller in size.

The invention discloses unmanned aerial vehicle heat flow washing equipment for high-voltage insulators, and mainly relates to cleaning unmanned aerial vehicles. Comprising four supports, an auxiliary structure, a stabilizing structure and a connecting structure, the upper ends of the four supports are fixedly connected with a machine body, four connecting arms are installed on the periphery of the machine body, propellers are installed at the ends, away from the machine body, of the connecting arms, and the auxiliary structure is arranged on the upper surface of the machine body and comprises a water tank; the water tank is installed on the upper surface of the machine body, a heating frame is installed in the water tank, a heating pump is installed on the lower surface of the machine body, a connecting pipe fixedly communicates with one side of the water tank, the connecting pipe is fixedly connected with the heating pump, and a water pipe is installed at the end, away from the connecting pipe, of the heating pump. The high-voltage insulator cleaning device has the beneficial effects that the high-voltage insulator can be cleaned conveniently, and dirt is dissolved by spraying hot water on the surface of the high-voltage insulator, so that the effect of cleaning the high-voltage insulator is achieved.

The utility model discloses a connecting rubber sleeve for a high-voltage insulator, and the rubber sleeve comprises a sealing part which is disposed at the inner side of the connecting rubber sleeve, and is attached to the surface of the insulator; the outer side part and the sealing part are of an integrated structure; and the reinforcing part is arranged between the sealing part and the outer side part and is used for supporting the sealing part and the outer side part. The connecting rubber sleeve for the high-voltage insulator, provided by the embodiment of the utility model, is divided into the sealing part and the reinforcing part, and the reinforcing part is additionally arranged between the sealing part and the reinforcing part, so that the mechanical strength and durability of the connecting rubber sleeve are improved, and a sealing surface is formed between the sealing part and the surface of the insulator in the connecting / fixing process of the connecting rubber sleeve and the connecting rubber sleeve; therefore, the condition of discharge and / or short circuit of the insulator is effectively overcome, and meanwhile, as the reinforcing part is added, the stable support of the insulator can be ensured.

The utility model provides a quick-connection high-voltage insulating rod connecting piece. The quick-connection high-voltage insulating rod connecting piece comprises a first connecting column and a second connecting column, the plug is fixedly installed at one end of the first connecting column, and a limiting groove is formed in the outer side face of the plug; and the joint is fixedly mounted at one end of the second connecting column. According to the quick-connection high-voltage insulating rod connecting piece provided by the utility model, through mutual cooperation of the first connecting column, the plug, the limiting groove, the second connecting column, the joint, the mounting groove, the ball, the spring, the sliding sleeve and other structures, when two insulating rods need to be connected during use, only the plug needs to be inserted into the inner side surface of the joint, and the two insulating rods are connected through the sliding sleeve. And the balls are clamped into the inner side surfaces of the limiting grooves, so that the two insulating rods can be connected, only the sliding sleeves need to be pushed during disassembly, the operation is convenient and rapid, and the working efficiency is improved.

The invention relates to the technical field of high-voltage insulator detection, and provides a high-voltage insulator transverse crack laser ultrasonic non-contact detection method which comprises the following steps: step 1, building a detection system which comprises an industrial personal computer, a pulse laser, a light path system, an ultrasonic receiving system and a scanning system, the pulse laser and the ultrasonic receiving system are in two-way communication with the industrial personal computer through optical fibers, the optical path system is fixed to the scanning system, and the scanning system receives control signals of the industrial personal computer through an industrial bus. And 2, outputting a synchronous trigger signal by the industrial personal computer, and controlling the pulse laser to emit nanosecond laser with the wavelength of 1064nm. Live detection is realized through a non-contact design, and a blind area of a compact insulator is eliminated; the efficiency is improved by means of collaborative scanning, and batch standardized detection is met; the multi-modal fusion and standardization algorithm improves the recognition precision and realizes quantitative detection, the method can also adapt to the outdoor environment to reduce the misjudgment rate, and an efficient, accurate and reliable detection scheme is provided for power grid operation and maintenance.

The invention discloses an extra-high voltage direct current porcelain insulator with an optimized multi-umbrella-skirt structure, and relates to the technical field of high-voltage power transmission, and the insulator comprises a solid porcelain insulator body, a metal flange assembly fixed at the bottom of the solid porcelain insulator body, and a screw assembly for fixing the flange assembly on a mounting table. The screw rod assembly comprises a central screw rod and peripheral screw rods which are annularly arranged, the self-adaptive radial reinforcing assembly is further included, the extension section of the screw rod is sleeved with an abutting sleeve, a folding mechanism which is initially in a V shape is hinged between the abutting sleeves, and the folding mechanism is connected with the metal flange assembly through a hanging rod; the flange assembly pulls the folding mechanism to be flattened through the hanging rod, the abutting sleeve is driven to apply radial thrust to the screw rod, the screw rod is deformed to increase the locking force, and passive self-locking is achieved. According to the invention, the problem that the bottom connection of the extra-high voltage insulator is easy to loosen and age under large-tonnage tension is effectively solved, and the anti-pulling performance is obviously improved.

The invention discloses a high-voltage insulator capable of avoiding a corona discharge phenomenon, and relates to the field of insulators, the high-voltage insulator comprises a porcelain column, and a first umbrella skirt and a second umbrella skirt which are arranged at the outer side of the porcelain column, the top end of the porcelain column is provided with a ball seat, the bottom end of the ball seat is in threaded fit with a bottom rod, and the bottom end of the bottom rod extends out of the porcelain column; an arc-shaped block is fixed at the bottom of the extending end, and an arc-shaped slot is formed in the top end of the ball seat; the upper and lower insulators are in butt joint with the arc-shaped slots through the arc-shaped blocks to form a sphere, thereby increasing the curvature radius of the joint, enabling the surface electric field intensity to be more uniform, thoroughly avoiding the formation of a local strong electric field, fundamentally reducing the occurrence rate of corona discharge, and reducing the electric energy loss and electromagnetic interference. The structure that the two ends of the arc-shaped seam are high and the middle of the arc-shaped seam is low is formed between the arc-shaped block and the arc-shaped inserting groove and is a small-amplitude rotation space of the arc-shaped block, force can be unloaded through rotation under the action of wind force, and breakage or looseness caused by wind force impact in traditional rigid connection is avoided.

This utility model discloses a mud slurry iron removal device for ultra-high voltage insulator production, relating to the field of ceramic equipment technology. It includes an iron removal vessel with a top opening, a cover plate placed on top of the vessel, and a feed pipe connected to the interior of the vessel fixed to the top of the cover plate. The device is characterized by: a magnetic ring fixed to the inner circumference of the vessel; an iron discharge magnetic ring placed inside the magnetic ring on the bottom of the vessel's inner wall; a connecting rod fixed to the inner wall of the discharge magnetic ring; the top of the connecting rod fixed to the cover plate; the outer diameter of the cover plate being larger than the outer diameter of the vessel; two electric push rods fixed to the outer wall of the vessel; the telescopic ends of the electric push rods being fixed to the cover plate via connecting plates; a rotating rod extending through the cover plate into the vessel; and multiple stirring plates fixed to the outer side of the rotating rod at one end inside the vessel. This ensures sufficient contact between the mud slurry and the magnetic ring, improving the adsorption effect of iron impurities and achieving the cleaning of iron impurities from the magnetic ring.

The invention relates to a C6 repair-based HXD1 series locomotive high-voltage insulator residual life periodic performance research method, which comprises the following steps of: performing state grading, accelerated aging test and data fitting on a high-voltage insulator, establishing a thermal life model based on an Arrhenius equation, and accurately predicting the residual life of the insulator. The method has the advantages of being small in sample demand, easy and convenient to implement, high in prediction precision and the like, and is suitable for service life evaluation and maintenance decision making of the HXD1 series electric locomotive high-voltage insulator.

The present application relates to a kind of new energy distributed photovoltaic double-layer box-type substation, including box shell, high-voltage chamber, transformer chamber and low-voltage chamber, the high-voltage chamber is provided with inverted vacuum circuit breaker unit, integrated disconnecting switch, vacuum circuit breaker and grounding switch;High-voltage unit incoming line side is provided with high-voltage insulator, high-voltage lightning arrester and copper bar for connecting incoming line cable;Outgoing line side uses air insulation, and high-voltage current transformer and connecting copper bar are arranged.The new energy distributed photovoltaic double-layer box-type substation of the present application applies high-voltage cabinet inverted structure, transformer double-layer arrangement technology, low-voltage cabinet operation panel externalization and other technologies in the manufacture of box-type substation, reduces the area, compact structure, low cost, reliable performance and facilitates field construction and maintenance.

The invention discloses porcelain sand for extra-high voltage insulator production and a preparation method, the porcelain sand comprises the following components: 30-50 parts of formula mud, 13-18 parts of alumina powder, 10-15 parts of glaze powder, 4-9 parts of talc, 3-8 parts of first-class clay, 5-10 parts of second-class clay, and 4-9 parts of albite, the formula mud is prepared from the following components in parts by weight: 45 to 60 parts of kaolin, 25 to 30 parts of quartz sand, 10 to 15 parts of potassium feldspar, 8 to 10 parts of bentonite and 0.8 to 1.2 parts of carboxymethyl cellulose; the preparation method of the porcelain sand comprises the steps of ingredient grinding, magnetic separation for iron removal, filter pressing for dehydration, vacuum pugging, drying for sand making and high-temperature sintering. The porcelain sand has extremely high high temperature resistance, arc resistance and aging resistance, can be adhered to the root of an insulator blank through glue and is sintered and molded together with the blank, so that the root of the insulator can be better connected with a fitting through cement, and the overall mechanical strength and electrical performance of the insulator are improved.

The device comprises a base, a reaction box body is installed on one side of the top end of the base, a box cover covers the top end of the reaction box body in a clamping mode, a liquid inlet is formed in one side of the bottom of the reaction box body, and a liquid outlet is formed in the other side of the bottom of the reaction box body. A waste liquid outlet capable of being opened and closed is formed in the other side of the bottom of the outer curved surface of the reaction box body, a partition plate is installed at the bottom of the inner wall of the reaction box body, and a heater is installed at the position, located at the bottom of the partition plate, in the reaction box body. According to the method, the living environment of aspergillus niger in the reaction cavity can be more comprehensively and dynamically regulated and controlled, the living activity of the aspergillus niger is effectively guaranteed, the degradation work of the high-voltage insulator is more efficiently and stably carried out, the effectiveness of the degradation work of the high-voltage insulator is fully guaranteed, and an efficient, environment-friendly and economical waste high-voltage insulator treatment method is achieved.

The invention belongs to the technical field of steel smelting, rolling and forging processing, and discloses a method for improving the maximum tensile resistance stability of an extra-high voltage insulator steel foot, the steel grade is 45Mn2, and the production process comprises the steps of converter smelting, LF refining, RH vacuum treatment, continuous casting, rolling, straightening, blanking, forging and cooling. By controlling the steel-making DiZ value, controlling the out-of-roundness and the dimensional tolerance through steel rolling, controlling the material bending degree through straightening and controlling the final forging temperature and the cooling rate after forging, the stability of the maximum tensile resistance of insulator steel feet of different batches can be greatly improved, and the fluctuation range of the maximum tensile resistance compared with a reference value is controlled within + / -4.5 KN.

The invention discloses high-manganese alloy steel for an extra-high voltage insulator steel foot and a production process and a forging method of the high-manganese alloy steel, and the high-manganese alloy steel comprises the following components in percentage by weight: 0.471-0.490% of C, 0.180-0.260% of Si, 1.670-1.7% of Mn + Cr, 0.010-0.040% of Al, less than or equal to 0.025% of S and P, less than or equal to 0.0025% of Pb, and the balance of Fe and inevitable impurities. Through reasonable design of components, strict control of residual harmful elements Pb and H in the smelting process, implementation of a controlled rolling and controlled cooling process in the rolling process, positive and negative tolerance rolling according to environmental temperatures in winter and summer, and strict control of the heating temperature and the heating length in the forging process, the mechanical properties of a final product are as follows: the maximum tensile strength is stably controlled to be + / -5KN, and the tensile strength is controlled to be + / -5KN; and meanwhile, the crack occurrence rate of a user product is effectively controlled.

The invention relates to the technical field of environment-friendly insulating materials, and discloses a preparation method of an epoxy resin-coated Al (OH) 3 hydrophobic coating, which comprises the following steps: blending a methyl tetrahydrophthalic anhydride solution and a catalyst TBD, heating and stirring on a stirrer until the mixture is uniformly mixed, slowly adding Al (OH) 3 powder into a product obtained in the step S1, continuously stirring until the powder is dissolved, and drying to obtain the epoxy resin-coated Al (OH) 3 hydrophobic coating. And S3, putting the product obtained in the step S2 into a drying oven, performing vacuum drying, cooling, slowly adding bisphenol A diglycidyl ether into the product obtained in the step S3, continuously stirring, and uniformly mixing, thereby obtaining the hydrophobic high-self-cleaning coating. Compared with an existing high-voltage insulator mildew-proof and anti-fouling technology, the hydrophobic high-self-cleaning coating prepared through the preparation method has excellent high-temperature resistance, corrosion resistance and the like, the hydrophobicity is not obviously changed after long-time artificial aging, and excellent stability and environmental durability are shown.

The present invention discloses a collaborative pressurizing structure, a self-repairing hot pressing device and a high-voltage insulator forming process, comprising a frame and a control mechanism, and also comprising an equipment main body installed in the inner cavity of the frame, a hot pressing mold installed in the inner cavity of the frame, a side slider comprising a slider main body and an inner conical surface arranged at one end of the slider main body, the inner conical surface being provided with a self-repairing component, four groups of auxiliary linkage mechanisms installed around the equipment main body, a main linkage mechanism installed at the bottom of the inner cavity of the frame, and a distance adjustment component installed at the top of the frame, for driving the upper slider to reciprocate along the axial direction of the mold sleeve. The present invention solves the problems of V-shaped umbrella edge and deep-edge umbrella skirt forming and demolding in one-piece molding by arranging a multi-slider mold, axially pressurizing the lower slider and the upper slider, and cooperating with the radial pressurizing of the side slider, thereby improving the overall uniformity and durability of the high-voltage insulator, and avoiding the problem of weak bonding between the umbrella skirt and the columnar bonding surface in step-by-step molding.

Method for producing a high-voltage insulator (1) comprising the steps: - providing a substantially rotationally symmetrical insulating tube (2), - applying an insulating jacket (3) to the insulating tube (2), - fastening at least one flange (4) to at least one end of the insulating tube (2), - applying at least one insulating tape (5) circumferentially to the insulating tube (2), wherein - the insulating tube (2) is made of a first insulating material, - the insulating jacket (3) and the at least one insulating strip (5) are made of a second insulating material, - the at least one flange (4) is made of a third material, characterized in that - the first insulating material is made of glass fibre reinforced plastic, - the second insulating material is made of silicone.

The utility model discloses a high-voltage insulator coaxiality detection tool for a GIS, which comprises a top plate and a substrate which are arranged in parallel, the upper part of the top plate is fixedly provided with a handle, the lower part of the top plate is symmetrically and fixedly provided with two guide sleeves, the upper part of the substrate is fixedly provided with guide columns at positions corresponding to the two guide sleeves respectively, and the guide columns are fixedly arranged on the upper part of the substrate. The two guide columns are matched with the lower portions of the corresponding guide sleeves in a sliding and inserted mode. The middle parts of the top plate and the base plate are respectively provided with an assembling hole I and an assembling hole II which have the same specification and are used for installing a detection tool, and the axes of the assembling hole I and the assembling hole II are combined. According to the utility model, the rapid detection of the coaxiality of the insulation torsion bar and the insulation cylinder can be completed by cooperating with a corresponding detection tool, so that the coaxiality detection process of the high-voltage insulator is more rapid and accurate, and the qualified rate of products can be improved.

The utility model relates to a plateau type long-life transformer. The technical problem to be solved by the utility model is to provide a plateau type long-life transformer. According to the technical scheme, the high-voltage transformer comprises an iron core, a coil, an upper supporting frame, an external connecting plate, a high-voltage insulator and a high-voltage wiring terminal assembly, the high-voltage wiring terminal assembly comprises a screw, an impact adjusting plate, an energy storage spring, an inner nut and an outer nut, and the upper supporting frame comprises a supporting frame body. The upper end and the lower end of the supporting frame body are perpendicularly bent to form a supporting frame upper portion and a supporting frame lower portion respectively, and the supporting frame upper portion is perpendicularly bent inwards to form supporting frame butt joint plates arranged at intervals. The high-voltage wiring terminal assembly has the advantages that the impact adjusting plate and the energy storage spring are introduced, and the anti-retreating clamping groove in the side part of the adjusting plate interacts with the adjusting clamping teeth on the adjusting opening of the butting plate, so that the high-voltage wiring terminal assembly has a dynamic buffering function, and loosening caused by vibration or impact is effectively reduced; and the operation reliability and the service life of equipment are improved.

This invention discloses a synchronous simulation system and method for testing insulators under high voltage and high current. The insulator testing system includes a high current generating device, an energy harvesting transformer, an insulating support, a high-frequency power conversion device, an AC power supply, a grounding metal support, a load, and a data acquisition and processing device. This insulator testing system can simultaneously provide the high voltage required for withstand voltage testing and the high current required for wireless power transmission; it controls the sequence of high voltage and high current excitation to measure various insulator parameters; and it controls the triggering sequence of high voltage and high current to achieve synchronous control of high current generation and efficiency testing. This invention enables withstand voltage testing of multi-stage coil high-voltage insulators by providing high voltage through an AC power supply, and controls the triggering sequence of high voltage and high current to test the transmission efficiency of multi-stage coil high-voltage insulators during short-term high current occurrences.

The utility model relates to the technical field of air metering cabinets, and discloses a frame type hoisting air metering cabinet which comprises a cabinet body frame, a triangular plate is fixedly connected to an inner cavity of the cabinet body frame, a base is fixedly connected to the bottom end of the cabinet body frame, a supporting channel steel is fixedly connected to the middle of the base, a pressure relief hole is formed in an inner cavity of the base, and the triangular plate is fixedly connected to the bottom end of the cabinet body frame. A plurality of supports are arranged in the cabinet body frame, lifting rods are fixedly connected to the left side and the right side of the base, a high-voltage insulator is fixedly connected to an inner cavity of the cabinet body frame, a metering current transformer is fixedly connected to the top end of supporting channel steel, and frame cross beams are fixedly connected to the upper end and the lower end of the front side of the inner cavity of the cabinet body frame. The hoisting device is connected with the hoisting rod, when the cabinet frame is driven to be hoisted, the cabinet frame can be firmer and more reliable, the problem that the rigidity of the cabinet frame is insufficient after full-load assembly is solved, and the transporting and hoisting risks of the cabinet frame are greatly reduced.

1. The name of the design product: high voltage insulator. 2. The use of the design product: insulator for high voltage, super high voltage overhead transmission line and transformer substation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the technical field of container wharf electric field bridge pantograph safety protection, and provides a low-frame sliding contact line terminal pantograph protection device which comprises a support, a high-voltage insulator, an anode guide rail and a cathode guide rail. The support is a square frame, the high-voltage insulators are evenly installed at the two ends of one side of the support at intervals, and the high-voltage insulators located at the two ends of one side of the support are symmetrically arranged. The positive electrode guide rail and the negative electrode guide rail are symmetrically arranged at the two ends of one side of the bracket; the bracket is isolated and fixed with the positive electrode guide rail and the negative electrode guide rail through the high-voltage insulators; and one ends of the positive electrode guide rail and the negative electrode guide rail are bent towards the extension line direction of the bracket. Through the positive guide rail and the negative guide rail, the pantograph can be guided to be separated from the sliding contact line terminal fixing and tensioner protruding part, the pantograph is prevented from being hooked, pulled and damaged, and the purpose of protecting the pantograph is effectively achieved.

This invention belongs to the technical field of electrical inorganic materials, specifically relating to a high-whiteness, high-voltage resistant insulator ceramic material and its preparation process. The ceramic material, by mass, consists of a basic component, a structure-regulating component, and an auxiliary phase component. Zirconia and niobium pentoxide are introduced to construct a composite regulation system, and various components such as talc, barium oxide, and magnesium oxide are combined to form a multiphase compatibility structure. The auxiliary phase uses rare earth oxides and borate fluxes to adjust the phase composition and stability. The preparation method includes steps such as raw material mixing, pressure filtration and mud refining, molding, drying and bisque firing, glazing, and high-temperature firing. A composite oxide glaze system is used for glaze construction. This invention features strong formulation synergy and precise structure regulation in its material composition and sintering process, making it suitable for the preparation of high-performance insulator ceramic products.

The invention relates to the technical field of cement-based adhesives, in particular to a cement-based electrical porcelain adhesive for an extra-high voltage insulator and a preparation method of the cement-based electrical porcelain adhesive for the extra-high voltage insulator. Early-stage and later-stage strength, salt corrosion resistance and toughness of the adhesive are improved by constructing a ternary synergistic effect of a quick-hardening mineral phase, a corrosion-resistant phase and a toughening phase; and a revolutionary cementing material with high hardness, high strength, corrosion resistance and toughness is provided for extreme environment power equipment such as extra-high voltage insulators, salt lake ocean wind power foundations and the like.