77results about "Discharge by conduction/dissipation" patented technology

The invention provides a fault indication device of a lightning arrester and the lightning arrester. The fault indication device comprises a target resistor, a low-melting-point alloy, a counterweight and a shell, the target resistor, the low-melting-point alloy and the counter weight are all located in the shell; the first end of the target resistor is connected with a shell of the lightning arrester, the second end of the target resistor is grounded, the upper end of the low-melting-point alloy is in fixed contact with the target resistor, and the lower end of the low-melting-point alloy is connected with the balance weight; the shell comprises a visual subarea at the bottom; the target resistor generates different heat according to the magnitude of the leakage current of the lightning arrester, and when the temperature of the target resistor is higher than the melting point temperature of the low-melting-point alloy, the low-melting-point alloy is melted, and the counterweight falls into the visual partition. According to the device, by triggering melting of the low-melting-point alloy, advanced visual early warning can be provided before the lightning arrester breaks down, and the problem that fault indication of the lightning arrester is not timely is solved.

The invention discloses an uninterruptible power lightning arrester automatic installation tool based on an insulating rod operation method, and relates to the technical field of electrical equipment installation tools. Comprising a drainage wire clamp mounting mechanism, a power supply electric control mechanism, a lifting distance adjustment assisting mechanism, a lightning arrester holding claw mechanism and a lightning arrester connecting piece. A voice control module is embedded into the power supply electric control mechanism, so that single-person remote operation is realized; the lightning arrester connecting piece can adapt to various insulators and cross arms, and can be fixed without dismantling the insulators; the lifting distance adjusting power-assisted mechanism is matched with a moving roller through an electric push rod to realize position and height adjustment; the lightning arrester holding claw mechanism can avoid umbrella skirts to stably clamp different types of lightning arresters; the drainage wire clamp installation mechanism completes installation of a drainage wire clamp and bolt tightening. The device is high in adaptability and convenient and efficient to operate, can work in a non-power-off state, guarantees stable power supply, improves the installation quality and efficiency, reduces the labor intensity and the safety risk, and effectively overcomes many defects of an existing installation tool.

The application discloses an OPGW distribution line lightning attracting protection device and a use method thereof, wherein the device comprises a composite insulator umbrella skirt, a lightning attracting rod fixed on the composite insulator umbrella skirt, a lightning guiding rod matched with the lightning attracting rod and a connecting mechanism. The connecting mechanism comprises an adjusting assembly. The adjusting assembly comprises an insulating porcelain seat fixedly connected at the bottom end of the composite insulator umbrella skirt. A U-shaped guide rail is fixedly connected to the side surface of the insulating porcelain seat. An end seat is movably connected to the inner side of the U-shaped guide rail, and clamping grooves are formed in the two sides of the inner wall of the U-shaped guide rail. Clamping edges are arranged on the two sides of the surface of the end seat. The two clamping edges are slidably connected in the same side clamping groove, and the connection between the clamping edges and the clamping groove is lockable. The lightning guiding rod is fixedly connected to the end seat. In use, the connection between the clamping plate and the clamping groove is only unlocked, and then the gap distance between the lightning guiding rod and the lightning attracting rod can be adjusted by pushing the end seat to move, so that the adjusting efficiency is better than that of continuous screwing adjustment.

The invention relates to the technical field of line lightning protection, in particular to an overhead transmission line lightning arrester and an installation method.The overhead transmission line lightning arrester comprises two bases used for being installed on a cross arm, and an n-shaped plate is clamped between the two bases and fixedly arranged through bolts; a first lightning arrester and a second lightning arrester which are used for lightning protection of the power transmission line are installed on the n-shaped plate, connecting plates are installed at the tops of the first lightning arrester and the second lightning arrester, and a first fixing clamp, a second fixing clamp and a wire clamp which are used for being installed on the line are installed on the connecting plates; an overhead line is arranged among the first fixing clamp, the second fixing clamp and the wire clamp in a penetrating mode, the first lightning arrester is located on the two sides of the n-shaped plate, the second lightning arrester is located in the middle of the n-shaped plate, the first lightning arrester and the second lightning arrester are connected with on-line monitoring devices on the n-shaped plate, and the lower ends of the on-line monitoring devices are connected with discharge counters. The device has the advantages of being compact in structure, convenient to replace parts and capable of stably operating for a long time in an extreme environment.

An assembly (1) of variable-pitch blades for an unfaired aircraft turbomachine, the assembly comprising a rotor (3) movable about a radial axis (X) of the turbomachine, a stator (4) fixed about said radial axis (X), and at least one lightning arrester (5). The lightning arrester (5) comprises a pin (6), at least one face of said pin (6) being in contact by friction with the rotor (3), a screw (7) radially extending from said pin (6), and a means (8) for connecting the pin (6) and the screw (7), said means (8) comprising a spring interposed between the pin (6) and the screw (7). Figure for the abbreviation: Fig 1

A lightning protection device of a tethered balloon communication system, comprising: a lightning protection net, a shielding layer, a protection circuit; the lightning protection net wraps the tethered balloon; the shielding layer is installed outside the communication module and the communication line of the tethered balloon and is connected with the lightning protection net; the protection circuit is connected inside the communication module and is used for protecting common mode and differential mode interference caused by lightning; the lightning protection net arranged outside the tethered balloon, the shielding layer and the protection circuit arranged inside the communication module are designed according to the characteristics of the communication system in the tethered balloon, the communication module and the communication line are treated in all directions, the damage caused by lightning to the communication module of the tethered balloon and the radiation and conduction interference in the lightning process are effectively reduced, the normal work of the communication module in the lightning process is ensured, and the accuracy and reliability of data transmission are ensured.

The application discloses a lightning arrester replacing assembly, and relates to the technical field of lightning arrester replacing, which comprises an insulating column body, the two ends of the insulating column body are respectively provided with a conductive part and a fixing support, a lightning arrester body connecting assembly is arranged between the conductive part and the fixing support, the lightning arrester body connecting assembly comprises a support frame which is provided with a clamping groove and is fixedly connected with the fixing support, a rotating shaft is tightly connected in the clamping groove, a first connecting part is fixed on the rotating shaft, a second connecting part is fixed on the lightning arrester body, a fixing assembly comprises a through hole which is arranged on the second connecting part, guide columns are slidably connected on the first connecting part, guide cylinders are slidably connected with the opposite ends of the two guide columns through push rods, a pre-tightening assembly comprises two positioning plates which are slidably connected with the rotating shaft, air grooves are arranged in the positioning plates, and the guide cylinders are communicated with the corresponding air grooves through pipes; the lightning arrester can be quickly replaced, and the lightning arrester can be kept in a stable state.

A live-line working, fully insulated, separable gapless surge arrester device comprises: a piercing, detachable insulated clamp, a high-voltage lead, a lightweight insulating cavity, an upper contact, an upper insulated waterproof piston ring, the arrester body, a lower insulated waterproof piston ring, an insulating sheath, a contact ring, a contact piece fixing ring, a contact piece, an elastic tension spring, a metal bracket, an insulating bracket, a disconnector connection bracket, a disconnector, a disconnector itself, and a lead wire connection terminal. It is mainly used for overvoltage protection of power distribution lines. The insulated operating rod allows for live-line installation and removal of the arrester body and disconnector, improving installation and maintenance efficiency. The disconnector temporarily isolates power frequency current and clearly indicates the fault point, reducing losses caused by power outages due to grounding short circuits. The disconnector connection bracket facilitates live-line separation and replacement of the disconnector. The device is fully insulated, improving the insulation process of the line. The piercing, detachable insulated clamp facilitates live-line installation and removal, eliminating the need to strip the insulation from the conductor, thus improving installation efficiency and line insulation.

The invention provides a shock insulation support and thunder and lightning protection integrated structure, and relates to the technical field of constructional engineering, the shock insulation support and thunder and lightning protection integrated structure comprises a lower connecting steel plate, the upper surface of the lower connecting steel plate is fixedly connected with a shock absorption laminated layer, the center of the shock absorption laminated layer is provided with a trigger mechanism, and the upper surface of the shock absorption laminated layer is fixedly connected with a lower supporting plate; a connecting mechanism is arranged at the edge of the upper surface of the lower supporting plate, a rotating shaft is rotationally connected to the center of the lower supporting plate, an inner rotating plate is fixedly connected to the middle of the outer surface of the rotating shaft, the vibration amplitude is accurately recognized through a trigger mechanism, the connecting mechanism is linked to unlock a clamping assembly, and the relative position of the upper supporting plate and the lower supporting plate can be flexibly adjusted; and the inner rotating plate is driven to turn to the stress side and is matched with the supporting mechanism to form transverse and longitudinal double reinforced supporting, and the effects that the building transverse movement amount can be effectively limited, support dislocation is avoided, and the structural safety under high-intensity earthquakes is remarkably improved are achieved.

The invention describes a lightning receptor assembly (1) for a wind turbine rotor blade (20), comprising a receptor unit (10R, 10B) comprising a receptor base (10B) for installation in the rotor blade interior (200) and a receptor (10R) for placement at an outer surface (20S) of the rotor blade (20); a threaded connector (11) to form a mechanical connection between the receptor (10R) and the receptor base (10B); and a conductive band (12) adapted to extend over the outer surface (20S) of the rotor blade (20) and to form an electrical connection to the receptor unit (10R, 10B) without requiring removal of the receptor (10R) from the receptor base (10B). The invention further describes a wind turbine (2) and a method of preforming a maintenance procedure on a lightning receptor assembly (1) of a rotor blade (20) of a wind turbine (2).

The invention relates to a variable-pitch blade assembly (1) for an open-rotor turbine engine of an aircraft, the assembly comprising: a rotor (3) which is movable relative to a radial axis (X) of the turbine engine; a stator (4) which is stationary relative to the radial axis (X); and at least one lightning protection system (5). The lightning protection system (5) comprises: a pin (6), at least one face of the pin (6) being in frictional contact with the rotor (3); a screw (7) which radially extends the pin (6); and a means (8) for connecting the pin (6) and the screw (7), the connecting means (8) comprising a spring inserted between the pin (6) and the screw (7).

The present invention pertains to a structural composite component, in particular for an aircraft or spacecraft, comprising: a lightning strike protection layer; and a composite battery comprising a cathode layer, wherein the lighting strike protection layer is formed integrated with the cathode layer. The invention further provides a method for configuring such a structural composite component and an aircraft or spacecraft comprising such a structural composite component.

Proposed is a wind turbine blade with a lightning protection receptor. The wind turbine blade with a lightning protection receptor is a technology that allows for excellent lightning capture rate for both negative and positive lightning by improving lightning measures for conventional wind turbines, which are vulnerable to positive lightning, in line with the increasing wind turbine heights for large-scale power generation and the trend toward offshore wind power, and that minimizes post-repair / supplementary measures by limiting blade damage / coating peeling due to lightning strikes to a narrow area, unlike in the conventional case where damage or peeling of the coating occurs over the entire area of a blade when struck by lightning on an edge wire inserted into the lateral inner side of the blade.

This invention provides a device for suppressing lightning flashover tripping of insulators in transmission lines, relating to the field of lightning protection technology for transmission lines. It includes a high-frequency filter, a low-impedance channel, and a phase change material (PCM) electric field energy absorber. The high-frequency filter is installed on the side of the overhead lightning protection line near the tower to block the lightning current generated by lightning strikes. The low-impedance channel is connected to the input end of the PCM electric field energy absorber via a coaxial cable to guide the lightning current to the PCM electric field energy absorber. The PCM electric field energy absorber is installed on the tower near the ground, and its output end is connected to the tower and grounded to absorb the electric field energy of the lightning current. This device can effectively reduce the tower potential and the amplitude of the lightning current, reducing the probability of flashover of insulators and transmission line tripping caused by lightning strikes in the power system, and improving the operational reliability of the power system.

The invention relates to the technical field of power system safety protection, discloses a lightning protection method and system for a high-altitude power transmission line, and aims to solve the problem that a data acquisition method of existing terminal equipment is poor in accuracy and safety. The scheme mainly comprises the steps of collecting image data of a power transmission line and current data and voltage data in the power transmission line according to a preset period; judging whether lightning stroke occurs or not according to the image data, and if yes, judging the lightning type according to the energy characteristics of different components in the current data; obtaining a lightning stroke risk coefficient according to the image data, the current data, the voltage data and the lightning type and based on a pre-trained lightning stroke risk identification model; and determining whether to open the power transmission line according to the lightning stroke risk coefficient. Risk quantification is achieved, the maloperation rate is reduced, and the method is particularly suitable for high-altitude areas where line patrol is difficult.

The invention discloses a 35kV same-tower four-loop cable terminal tower and an installation method thereof.The 35kV same-tower four-loop cable terminal tower comprises a terminal tower body, a three-core cable is arranged at the bottom of the terminal tower body, the four side faces of the upper side of the terminal tower body are each provided with a set of overhead wires, and the four side faces of the bottom of the terminal tower body are each provided with a three-core cable; the support assemblies are clamped and installed on the four side faces of the terminal tower body through clamping structures respectively, the three-core cable and the overhead conductors are installed and supported on the terminal tower body through the support assemblies respectively, and the upper ends of the four sets of overhead conductors extend to the same side of the terminal tower body. Holes do not need to be formed in the tower body, the structural strength of the iron tower is not affected, the service life of the iron tower cannot be shortened due to corrosion caused by poor corrosion prevention at the punched position, installation is easy, applicability is high, and operation and maintenance are convenient.

The invention discloses an insulation installation device applied to a lightning arrester box body, and relates to the technical field of box type lightning arresters, and the insulation installation device comprises an external box body which is fixedly connected with offshore wind power equipment; the bracket is fixedly arranged at the inner bottom end of the outer box body, a guide groove is formed in the top end of the bracket, a convex knot is arranged at the upper end of the bracket, and a transverse inserting groove is formed in the convex knot. An air rod in the lock pin assembly is driven to act through external environment temperature change, thermal expansion and cold contraction of a metal piece are automatically compensated, dynamic adjustment and long-acting maintenance of locking force are achieved, the problem of connection loosening caused by temperature difference is fundamentally solved, and the locking effect is greatly improved through insertion alignment and vertical supporting and fixing of a single rotating hexagonal table. The mounting and dismounting process is greatly simplified, the operation and maintenance efficiency is improved, the device is particularly suitable for offshore high-altitude operation, meanwhile, a double mechanical fixing mode of locking and supporting is adopted, three-dimensional constraint is formed, and the overall rigidity and vibration resistance are remarkably superior to those of a traditional single-point fixing mode.

A floating seal gasket for preventing electromagnetic effects includes a gasket and a seal. The gasket has an annular shape including a central opening. The annular shape defines a height, an inner diameter, and an outer diameter along the longitudinal axis. The seal has a circular shape including a central aperture. The circular shape defines a height portion, an inner surface, and an outer surface along the longitudinal axis. A seal is disposed in the inner diameter of the gasket. A fastening assembly for preventing electromagnetic effects includes a bolt, a floating seal washer, and a nut. When the nut is screwed on the bolt, the seal and the washer float relative to each other. The invention further provides a method for utilizing the fastening assembly and the floating sealing gasket to prevent the influence of the electromagnetic effect.

The invention provides a lightning fire risk comprehensive monitoring and prevention and control integrated device, and relates to the field of forest fire prevention. The integrated device comprises a supporting device, an adjusting device, a prevention and control device and an energy storage device, the adjusting device is arranged at the top end of the supporting device, the prevention and control device is arranged on the side wall of the adjusting device in a sliding mode, and the energy storage device is arranged at the top end of the prevention and control device. The supporting device comprises a first fixing plate, a fixing rod is fixedly connected to the middle of the top end of the first fixing plate, a first motor is fixedly connected to the front side of the middle of the top end of the first fixing plate, and a first lead screw is rotationally connected to the top end of the first motor. Through the arrangement of the supporting device, the soil environment is effectively monitored, the generation condition of the lightning fire can be rapidly judged, through the arrangement of the adjusting device and the prevention and control device, timely prevention and control of thunder and lightning are effectively achieved, and through the arrangement of the energy storage device, energy is saved. And the device can be effectively ensured to continuously and normally operate in a forest environment without sunlight or with unstable power supply.

To provide assemblies, systems, and methods of lightning strike protection for aircraft composite structures.SOLUTION: The lightning strike protection material assembly 10 includes a lightning strike expanded metal foil layer 16 having a lightning strike expanded metal foil 18 and a resin-infused scrim layer having a non-metallic scrim infused with an infusion resin 45 having a tailored viscosity and a tailored cure profile. The lightning strike protection assembly 10 is configured to be laid up on and co-cured with an uncured composite laminate assembly having a plurality of structural ply layers pre-impregnated with a structural resin. The structural resin has a structural resin viscosity and a structural resin cure profile that are different from the tailored viscosity and the tailored cure profile, thereby preventing intermixing of the structural resin and the infusion resin during co-curing and allowing the infusion resin to effectively encapsulate the lightning strike expanded metal foil 18 and form a cured lightning strike protected composite structure 80 capable of achieving a defined resin boundary.SELECTED DRAWING: Figure 2D

The application provides a DC three-circuit crossing tower head, which is arranged at the top of a tower body and comprises an octagonal tower window, a pair of first cross arms and a pair of second cross arms; the middle part of each first cross arm is provided with a first rod unit which is inclined downward, and the two first rod units are symmetrically arranged; the end part of each first cross arm is provided with a ground wire hanging point; the first rod unit of each first cross arm is provided with a first circuit conductor hanging point; the vertical symmetry axis of the octagonal tower window is provided with second circuit conductor hanging points which are arranged in an up-down distribution; the end part of each second cross arm is provided with a third circuit conductor hanging point; the tower head designs three DC transmission lines into two layers of triangular arrangements, compared with the traditional three DC vertical hanging line mode, the design reduces the height of the crossing tower head through the staggered arrangement of the conductor hanging points, thereby improving the lightning protection performance and stability of the crossing tower.

A holding device for a lightning rod mounting assembly comprises a base body (15) with an intermediate section (19) and two side sections (18) extending laterally to the intermediate section (19) and each forming an angle with the intermediate section (19). The holding device (9) also has a mounting element comprising two opposing mounting bodies (16) for contacting the profile side faces of a building roof, in particular a trapezoidal profile roof. Each mounting body (16) has at least one mounting body adhesive element (47) for adhesively fixing the holding device (9) to the profile side faces. In the assembled state of the holding device (9), each mounting body (16) is adjustably coupled to a side section (18). Furthermore, the holding device (9) comprises at least one connecting element (17) for connecting to a lightning rod.

The application relates to the technical field of engineering machinery, in particular to a door machine lightning protection device, machinery and a use method. The door machine lightning protection device comprises a rotating rod structure, an umbrella net structure and a conductive structure. The rotating rod structure comprises a rotating rod which is arranged in an insulating sleeve of the door machine. The umbrella net structure comprises a guide sleeve which is threadedly connected with the rotating rod and arranged on the outer periphery of the rotating rod. The guide sleeve is provided with conductive vertical rods which are arranged at intervals. The conductive vertical rods are surrounded by conductive horizontal rings which are arranged at intervals. The conductive horizontal rings have different radii, so that the umbrella net structure has different layer heights. The conductive structure comprises a conductive wire and a grounding carbon rod. One end of the conductive wire is connected with the rotating rod, and the other end is connected with the grounding carbon rod. In the lightning protection state, the conductive vertical rods are extended out of the insulating sleeve, the conductive horizontal rings are expanded into umbrella shapes along the circumferential direction of the conductive vertical rods, and the conductive horizontal rings and the conductive vertical rods form umbrella shapes to shield the door machine from lightning. The lightning is transmitted to the conductive wire through the rotating rod, and the conductive wire is transmitted to the ground through the grounding carbon rod. The application solves the problem that the lightning rod cannot cover the door machine and influences the protection effect.

An assembly (1) of variable-pitch blades for an unfaired aircraft turbomachine, the assembly comprising a rotor (3) movable about a radial axis (X) of the turbomachine, a stator (4) fixed about said radial axis (X), and at least one lightning arrester (5). The lightning arrester (5) comprises a pin (6), at least one face of said pin (6) being in contact by friction with the rotor (3), a screw (7) radially extending from said pin (6), and a means (8) for connecting the pin (6) and the screw (7), said means (8) comprising a spring interposed between the pin (6) and the screw (7). Figure for the abbreviation: Fig 1

A floating seal washer for protection from electromagnetic effects includes a washer and a seal. The washer has an annular shape that includes a central opening. The annular shape defines a height, an inside diameter and an outside diameter along a longitudinal axis. The seal has a circular shape that includes a central aperture. The circular shape defines an elevation, an inner surface and an outer surface along the longitudinal axis. The seal being set into the inside diameter of the washer. A fastener assembly for protection from electromagnetic effects includes a bolt, a floating seal washer and a nut. The seal and the washer float relative to each other as the nut is tightened on the bolt. Methods for protection from electromagnetic effects in conjunction with use of the fastener assembly and the floating seal washer are also provided.

The invention relates to the technical field of building construction, and discloses a roof lightning protection device and a construction method. The upper end part of the supporting device in the height direction is detachably connected with the lightning rod assembly; the connecting device assembly is detachably connected with the lower end of the supporting device in the height direction, and the connecting device assembly is detachably connected with the metal roof steel structure; and the conductive unit is arranged along the supporting device, one end of the conductive unit is electrically connected with the lightning rod assembly, and the other end of the conductive unit is electrically connected with the roof main body structure to form a conductive path. The connecting device assembly is detachably connected with the steel structure of the metal roof, so that the steel structure of the metal roof cannot be damaged; the supporting device is detachably connected with the lightning rod assembly and the connecting device assembly, so that mounting and dismounting work among different construction areas of the metal roof can be facilitated.

The invention provides a wireless communication grounding system of a low-vacuum pipeline ultra-high-speed magnetic levitation traffic line. The wireless communication grounding system comprises an in-pipe communication cabinet, a leakage cable, an outdoor communication cabinet and a cable grounding device. A high-pressure connecting device is arranged on the pipeline wall of the metal vacuum pipeline, the high-pressure connecting device is arranged in a reserved interface of the pipeline, a connector which is conducted inside and outside is arranged in a connecting main body, and a first group of feeder lines inside the vacuum pipeline are connected with a second group of feeder lines outside the vacuum pipeline through the high-pressure connecting device; the cable grounding device comprises a lightning arrester and a feeder grounding card, the lightning arrester is connected to a connecting plug in the vacuum pipeline, and a shielding layer of the first group of feeder is connected with a grounding point of the lightning arrester and is connected to a weak current grounding body in the pipeline through a grounding wire of the lightning arrester; and the feeder grounding clamp is connected with a shielding layer of the second group of feeder outside the pipeline, and is connected to a weak current grounding body outside the pipe beam through a grounding clamp grounding wire. According to the invention, safe operation and reliable grounding of the wireless communication system are realized.

The invention relates to a railway transportation line device for crossing a high-voltage transmission line and a use method, and the railway transportation line device comprises a railway transportation line device body with a bridge (2), an outer supporting column (7) corresponding to the railway transportation line device body, and a housing assembly (8) arranged on the outer supporting column (7). A railway transportation line is arranged on the lower portion of a high-voltage power transmission line, a housing assembly (8) is supported through an outer supporting column (7), a U-shaped groove plate body is placed on a railway transportation line device body through the housing assembly (8), and the railway transportation line located on the high-voltage power transmission line is located in a tunnel body isolated from a cable. The technical problem that bridge piers and box girders are used on the lower portion of a high-voltage transmission line to support a track line is solved, and therefore the service life of the railway transportation line device is prolonged.

A system for electrical strike dissipation includes a fastener, a composite laminate, and a structural element. The fastener has a tapered head and a shank. The composite laminate includes a first composite ply and a second composite ply. The first composite ply defines a tapered bore, and has multiple first tow groups. Some first tow groups have three or more conductive fibers stacked directly on each other. The three or more conductive fibers are operational to conduct current of an electrical strike. The tapered bore extends through the first composite ply and is sized to receive the tapered head. The second composite ply defines a straight bore, and has multiple second tow groups. The straight bore extends through the second composite ply and is sized to receive the shank. The structural element is aligned with the composite laminate and is secured to the composite laminate by the fastener.

The invention belongs to the related technical field of lightning arresters, and particularly discloses a lightning protection device which comprises a guide frame, a mounting seat and a lightning arrester, one end of the guide frame extends to form a T-shaped frame, the lower end of the lightning arrester is inserted into the T-shaped frame in a penetrating mode, and the lower portion of the outer portion of the lightning arrester is fixedly connected with the T-shaped frame through an arranged connecting assembly. The mounting base is fixedly connected to the end portion of the end, away from the T-shaped frame, of the guide frame, the upper end face of the guide frame is vertically connected with an L-shaped frame, the interior of the L-shaped frame is connected with a rotating clamping base through an arranged sliding assembly, and the upper end face and the lower end face of the rotating clamping base are fixedly connected with mounting shells correspondingly; according to the device, through cooperative action of all the parts, active cleaning of insulation parts of the lightning arrester, directional discharge of impurities and stable lubrication of a transmission structure are achieved through the device, the surface flashover risk caused by dirt is effectively reduced, the manual maintenance frequency is reduced, the working efficiency is improved, and the working efficiency is improved. And long-term reliable operation of the lightning protection device is ensured.