685results about How to "Guaranteed insulation performance" patented technology

The utility model discloses an insulating anti-blocking structure and a thin film capacitor thereof. The insulating anti-blocking structure comprises an insulating part, a pasting part, a first copper bar and a second copper bar, the insulating part is positioned between the first copper bar and the second copper bar, so that the first copper bar and the second copper bar are insulated; two ends of the pasting part are respectively adhered to the insulating part and the first copper bar; the two sides of the pasting part are provided with blocking blocks extending outwards, and the blocking blocks are located between the first copper bar and the insulating part. By arranging the insulating part and the pasting part, the insulating property between the first copper bar and the second copper bar is ensured, and the production yield of the film capacitor is improved; by arranging the barrier block and the injection molding part, the injection molding material can be effectively prevented from overflowing between the insulating part and the first copper bar to influence the structural stability of the injection molding part and the product performance of the film capacitor.

The utility model provides a battery and a battery pack, and relates to the technical field of batteries. The battery cell is located in the shell, and at least one end of the battery cell in the first direction is provided with a tab; an insulating coating is arranged on the inner side wall of one end, opposite to the tab, of the shell in the circumferential direction; the width of the shell in the first direction is H, the width of the insulating coating in the first direction is h, and h is larger than or equal to 0.05 H and smaller than or equal to 0.2 H. The insulating coating is arranged on the inner side wall of the alignment area of the shell and the tab, so that a good insulating relationship is kept between the tab and the shell, the risk of short circuit caused by falling of insulating glue is reduced, the tab can be arranged closer to the shell, and the space in the shell is further released; by reasonably arranging the distribution area of the insulating coating, the insulating effect between the shell and the tabs can be ensured, and the thickness of the shell in other areas can be reduced, so that the design energy of the battery is increased.

The invention relates to an insulating joint and an assembling auxiliary device thereof, the insulating joint comprises a first conduit, a second conduit, a first connector, a second connector, a first sealing washer, an insulating spacer, an insulating cylinder, a sleeve and an insulating filling layer, the first connector is arranged on the first conduit, and the second connector is arranged on the second conduit; the first sealing washer is placed on the first connector, and the insulating spacer is arranged on the first sealing washer and abuts against the first connector; one end, away from the second conduit, of the second connector abuts against the insulating spacer and the first sealing washer; the insulating cylinder sleeves the second conduit, one end, far away from the second conduit, of the insulating cylinder abuts against the first connector, and the second connector is located in the insulating cylinder; the sleeve sleeves the second conduit and is connected with the first connector; the insulating cylinder is positioned in the sleeve; the insulating filling layer is located between the sleeve and the second conduit. The invention has the effect of ensuring the insulation effect.

The invention relates to the technical field of wall bushings, in particular to a wall bushing which comprises an insulating bushing, a mounting cylinder is fixedly mounted on the periphery of the insulating bushing, and a plurality of mounting grooves parallel to the axis of the mounting cylinder are formed in the middle of the periphery of the mounting cylinder; an abutting mechanism is mounted in the mounting groove and comprises a supporting assembly arranged in the mounting groove, and the supporting assembly is fixedly connected with an abutting assembly; a second adjusting ring and a first adjusting ring are mounted on the periphery of the mounting cylinder, meshing teeth are arranged on the periphery of the first adjusting ring, and a plurality of containing grooves are further formed in the periphery of the mounting cylinder; and a transmission assembly is arranged in the placing groove. According to the invention, the installation between the sleeve main body and the side plate hole can be completed only by rotating the adjusting ring II, so that the installation complexity and the man-hour cost are reduced; and the design of a vibration reduction type elastic supporting structure of a supporting assembly in the abutting mechanism can absorb and disperse vibration energy, and the safety and stability of the wall bushing in long-term use are improved.

The invention discloses a packaging structure of a half-bridge power module. The packaging structure comprises an insulating heat-conducting plate, a multi-layer circuit board, a plastic packaging body and a bridge arm switch, on the other hand, the invention discloses application of the packaging structure of the half-bridge power module in a vehicle-mounted OBC power converter, a DCDC isolation converter, a non-isolation power converter, a cardiac arrest wake-up device and a circuit module formed by combining multiple half bridges such as ANPC, TNPC and Heric. The invention further discloses a manufacturing method of the packaging structure of the half-bridge power module. The manufacturing method comprises the steps of assembling, arranging the overflow area and synchronously filling and grinding to remove the overflow area. The minimum size and low impedance are achieved through the DBC, flexible pin outgoing and welding are achieved through the PCB, the reliability, safety and heat dissipation of the module are supported through the plastic package body, and the expansion temperature monitoring unit and the decoupling capacitor are supported.

The invention discloses a photovoltaic module with an edge creepage area and a preparation method thereof. The method comprises the following steps: providing upper glass, a battery piece, lower glass, a welding strip, a confluence plate and a confluence groove; a slot is formed in any end surface of the confluence groove; the battery piece is pasted on the upper glass, the lower glass is pasted on the battery piece, and one end of the battery piece is connected with the welding strip; the welding strip is bent by 90 degrees relative to the battery piece, so that part of the structure of the welding strip extends upwards along the lower glass and is perpendicular to the battery piece; arranging a bus board on a partial structure of the welding strip, and electrically connecting the battery piece with a bus bar on the bus board through the welding strip; inserting a part of the structure of the welding strip into the slot of the confluence groove, so that the welding strip and the confluence plate are sealed in the confluence groove, and the part of the structure of the confluence groove is arranged on the lower glass; the photovoltaic module can be connected with external equipment through the confluence groove; and filling a packaging adhesive layer between the welding strip and the glass under the condition that the welding strip is not contacted with the confluence groove to complete the preparation of the photovoltaic module.

The invention discloses an electrostatic precipitator and a cathode rapping insulation device thereof, the cathode rapping insulation device comprising a rapping shaft and a rapping box, the rapping shaft passes through the wallboard of the electrostatic precipitator housing and extends into the interior of the electrostatic precipitator; further comprising an insulating tube, a collar and a hot air source; the insulating tube is sleeved on the rapping shaft, and there is no contact between the two, one end of the insulating tube is located in the rapping box, and the other end is located in the electrostatic precipitator; the collar is sleeved on the insulating tube, and there is no contact between the two, one end of the collar is sealed and fixedly connected to the wallboard, and the other end extends into the electrostatic precipitator; the rapping box is provided with an air inlet, the hot air source is connected to the air inlet, so that hot air enters the rapping box, and forms an air curtain between the insulating tube and the rapping shaft and between the collar and the insulating tube. The device can ensure the insulation effect of the cathode rapping shaft.

The invention relates to the technical field of power distribution cabinets, and discloses a high-voltage power distribution cabinet which comprises a vibration type driven mechanism and a gas driving type drying mechanism. The fan blades can rotate along with the lower rotating disc and enable surrounding gas to move from bottom to top during rotation, and the third gas flowing cavity can store drying agent particles and dehumidify flowing gas through the drying agent particles. The high-voltage power distribution cabinet is used in cooperation with a particle drying agent, air circulation is formed in the power distribution cabinet body, the particle drying agent is used for effectively adsorbing humid liquid in the air, the drying and dehumidification functions on gas in the cabinet are achieved, the environment in the cabinet is kept dry, the erosion phenomenon of the humid environment on electronic elements is reduced, and the service life of the electronic elements is prolonged. And the insulativity of air is ensured, so that the safety of the equipment in the working process is improved.

The invention discloses an oil-immersed power transformer, and relates to the technical field of transformers, the oil-immersed power transformer comprises a transformer main body, an oil conservator is arranged above the transformer main body in a communicating manner, and the oil-immersed power transformer further comprises an oil guide pipe which is located below the oil conservator and is communicated with the interior of the oil conservator; the connecting flange is arranged at the bottom end of the oil guide pipe in a communicating manner; the supporting flange is located below the connecting flange and connected with the connecting flange through bolts. Through cooperative use of a connecting flange, a supporting flange, a glass tube, a protective tube, a fixing sleeve and a movable seat, when the movable seat is in a first state, moisture in air is absorbed by moisture absorption silica gel balls in a first moisture absorption cavity, and when the water absorption capacity of the moisture absorption silica gel balls in the first moisture absorption cavity is reduced or even fails, the moisture absorption silica gel balls in the first moisture absorption cavity can absorb moisture in the air. And the movable seat is adjusted to the second state, the air enters the second moisture absorption cavity, moisture absorption silica gel balls in the second moisture absorption cavity absorb moisture of the air passing through the first moisture absorption cavity, and it is ensured that the air is in a dry state.

The invention discloses an oil-immersed power transformer, which relates to the technical field of transformers, and includes: a transformer body, an oil pillow is connected to the upper part of the transformer body, and also includes: an oil guide pipe, which is located below the oil pillow and is connected to the inside of the oil pillow; a connecting flange, which is connected to the bottom end of the oil guide pipe; a supporting flange, which is located below the connecting flange and connected to the connecting flange through bolts. The invention uses the connecting flange, the supporting flange, the glass tube, the protective tube, the fixed sleeve and the movable seat in coordination. When the movable seat is in the first state, the hygroscopic silica gel balls in the first hygroscopic cavity absorb moisture in the air. When the hygroscopic silica gel balls in the first hygroscopic cavity have a reduced or even ineffective water absorption capacity, the movable seat is adjusted to the second state, and air enters the second hygroscopic cavity. The hygroscopic silica gel balls in the second hygroscopic cavity absorb moisture from the air after passing through the first hygroscopic cavity, ensuring that the air is in a dry state.

The embodiment of the utility model discloses a stator core, a stator assembly and a motor, and relates to the technical field of motor stators. The stator core comprises a stator yoke, stator teeth and a supporting part. The stator yoke is in a closed ring shape. The number of the stator teeth is multiple, the multiple stator teeth are all arranged in the circumferential direction of the inner side of the stator yoke, and a stator groove is formed between every two adjacent stator teeth in a matched mode. The supporting part is arranged in the outer circumferential direction, away from the stator teeth, of the stator yoke, and an oil inlet groove is formed in the supporting part and communicated with the stator groove. According to the stator iron core, the oil inlet grooves are formed in the supporting parts in the circumferential direction of the outer side of the stator yoke, so that cooling oil is divided into a plurality of flow paths, each flow path can quickly enter the stator iron core, the cooling oil is distributed more uniformly, the problem of uneven cooling is avoided, and the cooling effect is improved.

The utility model discloses a connecting bolt for a new energy automobile battery module, which comprises a bolt body, an insulating bolt cap is arranged at the bolt head of the bolt body, and an insulating end is arranged at the tail end of the bolt body. According to the connecting bolt for the new energy automobile battery module disclosed by the utility model, reliable assembly is realized, and meanwhile, the insulating property of the connecting bolt is ensured.

The invention discloses an impact-resistant and tear-resistant cable and a processing technology thereof, and belongs to the technical field of cables. The impact-resistant and tear-resistant cable sequentially comprises a conductor, an insulating layer, a multi-stage composite enhancement layer, an oxygen barrier layer and an outer protective layer from inside to outside, the conductor is formed by twisting a nickel-plated copper wire and a pure nickel wire; the insulating layer is formed by wrapping and covering a tetrafluoroethylene-perfluoroalkoxy vinyl ether copolymer; the oxygen isolation layer is formed by smearing a diamond mud oxygen isolation material; the multi-stage composite reinforcement layer is prepared by compounding carbon fibers and a bio-based polymer composite material; the outer protective layer is formed by molding and wrapping thermoplastic dynamic vulcanized rubber; the cable provided by the invention has excellent impact resistance and tear resistance.

The invention belongs to the technical field of gas insulated switch devices, and particularly provides an insulating sleeve for a gas insulated switchgear and a power distribution switch system. The insulating sleeve comprises an insulating pouring body embedded with a conductive rod, the insulating pouring body is provided with a connecting part, one end of the connecting part is used for being in sealed connection with one of the two adjacent gas-filled cabinets, the other end of the connecting part is in sealed connection with a corrugated pipe, and one end, deviating from the connecting part, of the corrugated pipe is used for being in sealed connection with the other one of the two adjacent gas-filled cabinets. And the interior of the corrugated pipe can be communicated with an air chamber of the inflatable cabinet. The power distribution switch system comprises the insulating sleeve. When each gas-insulated switchgear is connected in a combined manner, even if a certain error exists, the error can be compensated through the deformation of the corrugated pipe, and the sealing performance of the gas chamber can still be ensured after the corrugated pipe is deformed, so that the sealing reliability of the insulating sleeve is improved.

The invention provides a non-intrusive evaluation method for a current distribution eccentric state, and the method comprises the following steps: placing a segmented Rogowski coil at the peripheral side of a to-be-tested element, and measuring the output voltage of the segmented Rogowski coil after the to-be-tested element is electrified; integrating the induced voltage to obtain an intermediate voltage integral quantity; and constructing a proportional function relationship between the current of the to-be-measured element and the intermediate voltage integral quantity, and obtaining point location information of non-uniform current distribution in the to-be-measured element and corresponding current eccentric state information based on the proportional function relationship. According to the method, the current distribution state of the device is evaluated through mutual inductance between the sectional Rogowski coil and the element to be measured, the original packaging structure of the device does not need to be damaged, the leakproofness and insulativity of the device are guaranteed, meanwhile, compared with an existing non-intrusive measurement method, the method is more accurate in measurement result, and the measurement efficiency is improved. And the current distribution state can be evaluated.

The utility model relates to the technical field of batteries, and provides a battery, which comprises a battery shell provided with a pole through hole; the battery cell is arranged in the battery shell; the battery core is electrically connected with the pole assembly, and the pole assembly is fixed on the battery shell by the first bending section and the second bending section; the plugging piece is arranged in the groove, and the plugging piece is connected with the pole assembly in a welding manner, so that a welding mark is formed on one side, deviating from the battery cell, of the plugging piece and / or the pole assembly; at least part of the insulating part is arranged between the pole assembly and the battery shell, the minimum vertical distance between the welding mark and the circumferential outer surface, facing the hole wall of the pole through hole, of the penetrating section is d, and d is larger than or equal to 0, so that the transfer distance of heat on the penetrating section in the welding process can be increased, the probability that the heat is transferred to the insulating part is reduced, and the welding quality of the battery is improved. Therefore, the insulating property and the sealing capability of the insulating part are ensured, and the safe use performance of the battery is improved.

The contact finger comprises a contact finger body and the base which is arranged on the side face of the contact finger body and used for installing a temperature sensor, and the height difference between the face, used for installing the temperature sensor, of the base and the outer edge is larger than or equal to the height of the temperature sensor. The invention further discloses a tulip contact which comprises a support, a plurality of contact fingers evenly arranged in the circumferential direction of the support and springs arranged at the two ends of the contact fingers in a sleeving mode, gaps are formed between the adjacent contact fingers, the contact fingers comprise at least one contact finger with a base, and the temperature sensors are arranged on the base and located in the gaps between the contact fingers where the temperature sensors are located and the adjacent contact fingers. The invention further discloses a system using the tulip contact. The temperature sensor can be installed by effectively utilizing the space between the contact fingers of the tulip contact, and it is ensured that the installed temperature sensor does not exceed the original contour of the tulip contact.

The utility model discloses a variable vacuum capacitor, which comprises a capacitor body and a driving module used for driving the capacitor body to change the capacitance value, the driving module comprises a driving motor, a commutator and a transmission mechanism, and an output shaft of the commutator is in transmission connection with a rotating screw of the capacitor body through the transmission mechanism. The driving motor is fixed on one side of the commutator and is perpendicular to the capacitor body. According to the variable vacuum capacitor, under the condition that the size of the driving motor is kept unchanged, the height of the whole machine can be shortened, the driving module is ensured to have enough torque to drive the capacitor body, meanwhile, on the premise that the insulating property is ensured, a transmission mechanism can be reduced, the size can be further reduced, and meanwhile, the precision of the whole system can be improved by several times.

The invention discloses an aromatic amine epoxy resin curing agent, a design method thereof, insulating epoxy resin and a preparation method thereof, and belongs to the technical field of insulation. At least two benzene ring structures are designed, and the benzene ring structures are connected through functional bridge bonds; an amino functional group is arranged at each of two ends of the designed structure; the ortho-position of the designed amino functional group is not provided with a high-electron-withdrawing substituent group; the aromatic amine epoxy resin curing agent is obtained; and the functional bridge bond is arranged at a 1, 4 or 1, 3 substitution position of the benzene ring structure. Polyaromatic diamine is used as a curing agent component of the epoxy resin, and a rigid aromatic structure is introduced into an epoxy main chain to enhance the thermal stability of the epoxy main chain and increase the glass-transition temperature; functional bridge bonds are introduced between benzene rings to break the conjugated structure of the benzene rings, so that the electrical performance is improved. And the high-temperature-stability and high-resistance insulating epoxy resin for the high-voltage direct current can be prepared. And the electrical performance of a key insulating part in the direct-current GIS / GIL under the action of a high temperature gradient and a high electric field can be improved.

The invention relates to a heating element for resistance welding of a thermoplastic composite material. The heating element comprises a heat production area, a heat conduction area and an insulating layer which are compounded together, wherein the heat production area serves as a heating body and is located at the center position; the heat conduction area is used for conducting excessive heat at the edge and is located at the edge; the insulating layers are used for preventing current shunting and blocking current and enhancing the bonding property of the heating element and the thermoplastic composite material to be welded, and are positioned on the upper side and the lower side of the heat production area; compared with the traditional heating element for the thermoplastic composite material, the heating element disclosed by the invention can effectively optimize the uniformity of heat distribution, and considers three aspects of preventing edge effect, shunting current and improving bonding property, so that the welding efficiency and the joint strength are effectively improved.

The invention relates to the technical field of decontamination and deicing of transmission line insulators, and discloses an intelligent decontamination and deicing device for suspension insulators of transmission lines, which solves the problem of low decontamination and deicing efficiency. The device comprises two transmission lines, each of which is fixed with a group of insulators on the outside, the tops of the two groups of insulators are provided with fixing plates, the bottoms of the fixing plates are fixed with fixing boxes, the insides of the fixing boxes are provided with rigid chains, the bottoms of the rigid chains are fixed with air outlets through a vibration box, the insides of the vibration box are provided with right and left vibration rods, the bottoms of the vibration box are provided with close rods, and the outsides of the close rods are provided with cleaning disks. The decontamination and deicing method of the transmission line insulators of the invention adopts an intelligent method, thereby improving the decontamination and deicing efficiency, reducing power outage time and economic losses, thereby preventing flashover accidents of suspension insulators caused by icing, ensuring the safe and stable operation of the power system, and reducing labor costs and risks.

The invention relates to the technical field of motor stator coil potting, and discloses a motor stator coil potting process, which comprises the following steps: S1, blending potting glue; s2, potting: pouring the prepared potting adhesive into a charging barrel of potting equipment, accurately placing the stator coil in a potting mold, starting the potting equipment, slowly injecting the potting adhesive into a gap between the stator coil and the mold, and carrying out bubble removal treatment; s3, curing treatment: curing the stator coil by using ultraviolet irradiation equipment in an ultraviolet curing pouring sealant mode; s4, demolding treatment: after the pouring sealant is completely cured, a demolding agent is used for assisting demolding, and the stator coil is taken out of the mold; s5, model cleaning; and S6, model detection. In the working process, bubbles in the potting glue are removed through bubble removal treatment, bubbles are prevented from being formed on the stator coil after potting, the insulativity and the heat dissipation performance of the stator coil are guaranteed, and the use of the stator coil is optimized.

The utility model discloses an anti-extrusion injection molding lithium battery shell. The anti-extrusion injection molding lithium battery shell comprises a shell and a bottom plate, the bottom plate is mounted at the bottom of the shell so as to form a mounting space for mounting a battery cell together with the shell; a partition box is mounted in the mounting space of the shell in an embedded manner; partition plates are formed in the partition box. A plurality of convex ribs used for abutting against the battery cells inserted into the mounting space are correspondingly formed on two sides of the partition plate; the partition box is made of an aluminum alloy material; the bottom plate is made of an aluminum alloy material; the bottom plate is fixed to the bottom of the partition box through screws. The shell is made of plastic with flexible performance; the shell and the partition box are integrally formed through injection molding; slots for inserting the partition plates and the bottoms of the partition boxes are formed in the bottom plate; the side edge of the slot is provided with an abutting protrusion used for abutting against and limiting the battery cell. According to the anti-extrusion injection molding lithium battery shell disclosed by the utility model, the insulating property is ensured by adopting the shell made of plastics, and meanwhile, extremely strong anti-compression protection can be provided by utilizing the embedded partition box.

The invention discloses a fuel cell system, a control method and device thereof and a medium, the fuel cell system comprises an electric pile, a dehumidifier is arranged in the electric pile, and the method comprises the following steps: when the electric pile is shut down after operation, acquiring an environment temperature and an internal temperature and internal humidity of the electric pile; according to the internal temperature and the internal humidity, based on a preset dew-point temperature detection model, the dew-point temperature in the galvanic pile is determined, and the dew-point temperature is the critical temperature at which gas in the galvanic pile is converted into liquid; if the dew-point temperature is greater than or equal to the environment temperature, controlling a dehumidifier to dehumidify the interior of the galvanic pile, and re-determining the dew-point temperature in the dehumidification process; and after the dew point temperature is smaller than the environment temperature, the dehumidifier is controlled to stop dehumidification. The insulation performance of the galvanic pile can be ensured, and the insulation efficiency is improved.

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.

Provided are a battery pack having an improved battery pack case to ensure electrical insulation and light weight, and an energy storage system including the battery pack. The battery pack of the present invention comprises: at least one cell assembly including a bus bar frame assembly and a plurality of battery cells; a base plate configured such that the cell assembly can be mounted on the base plate; and a reinforcing member configured to fix the bus bar frame assembly and the bottom plate to each other.

This utility model discloses a cable protection device for power engineering, belonging to the technical field of cable protection devices. It includes a cable tray body, a square slot, and a movable support assembly. The movable support assembly provides positioning for cable placement and provides movement support for cable dragging. This utility model, by setting up a cable tray body with a square slot and a movable support assembly, with the movable support assembly installed on the cable tray body, provides support for cable movement during cable laying via guide wheels. The guide wheels rotate under the friction of the cable. Compared to the sliding friction when the cable moves directly along the surface of the cable tray base plate in the traditional method, its rolling friction coefficient is much smaller than the sliding friction coefficient. Therefore, it effectively reduces cable dragging resistance and greatly reduces wear and scratches on the cable outer sheath during laying, ensuring the long-term insulation performance and lifespan of the cable.

The utility model relates to a battery box structure which comprises a box body, a cover plate, a CBMS module and a panel, the cover plate covers the end face of one end of the box body, and the CBMS module is arranged on the side face, away from the box body, of the cover plate; one end of the CBMS module is provided with a plurality of first grooves, each first groove is internally provided with a first wire harness terminal, and the first grooves and the first wire harness terminals are arranged in a one-to-one correspondence manner; a plurality of second grooves are formed in the other end of the CBMS module, a second wire harness terminal is arranged in each second groove, and the second grooves and the second wire harness terminals are arranged in a one-to-one correspondence mode; and the panel covers the side surface, far away from the cover plate, of the CBMS module, and the panel, each first groove and each second groove form an independent space for accommodating a wire harness. According to the invention, the insulativity of the case can be ensured, and the safety performance of the case is improved; and the connection is neat, the appearance is attractive and harmonious, and the assembly attractiveness is better.

The utility model discloses an insulation structure of a dry-type transformer, the dry-type transformer comprises an iron core and clamping pieces, the clamping pieces are arranged at the upper end and the lower end of the iron core, a first insulation piece is arranged on one side, close to the iron core, of each clamping piece, and a second insulation piece is clamped on one side, far away from the iron core, of each clamping piece; at least one group of connecting rods are arranged between the clamping pieces at the upper end and the lower end, the connecting rods are sleeved with third insulating pieces, the sides, close to the iron core, of the third insulating pieces make contact with the side face of the iron core, and insulating gaps are formed in the sides, away from the iron core, of the third insulating pieces; a first-stage insulation structure is formed between the iron core and the clamping piece through the first insulation piece, a second-stage insulation structure is formed between the clamping piece and the box wall through the second insulation piece, a third-stage insulation structure is formed between the connecting rod and the iron core through the third insulation piece, and therefore it is guaranteed that a multi-stage insulation structure is formed among the iron core, the clamping piece and the box wall. And the insulativity between the internal structures of the dry-type transformer is effectively ensured.

The utility model relates to the technical field of insulating ladders, in particular to an insulating ladder placing hanger for a thermal power plant, which comprises a base, at least two upright posts vertically arranged on the base, and a hanging mechanism fixed on the upright posts, the hanging mechanism comprises at least two groups of L-shaped hooks, a hinge shaft is arranged at the tail end of the short edge of each L-shaped hook, a plurality of mounting holes are formed in the stand column at equal intervals in the height direction, and the hinge shafts penetrate through the mounting holes and are connected with locking nuts through shaft end threads; the outer surface of the long edge of the L-shaped hook is coated with an anti-skid insulating layer with the thickness larger than or equal to 5 mm. The anti-skid insulating layer is a silicone rubber and epoxy resin composite layer. According to the insulation ladder hanger, through the design of adjustment, skid resistance, monitoring and insulation, the structure is adjustable, safety and stability are achieved, insulation is reliable, operation is convenient, the hanging requirements of different ladder types are met, and use safety and efficiency are improved.