63 results about "High tension leads" patented technology

The utility model belongs to the field of dust removal and environmental protection of a coal-fired power plant, and particularly relates to a pre-charged adjustable high-voltage wire inlet system of an electric precipitator, which comprises a pre-charged device and a wall bushing which are arranged at the front end of the electric precipitator, the pre-charged device is provided with a high-voltage power supply, and the high-voltage power supply is provided with a double-switch disconnecting link and is connected with an insulating pillar through a high-voltage lead. Every two adjacent insulation supporting columns are connected through a rigid material, and the last insulation supporting column is connected with a wall bushing on a wall plate through a high-voltage wire and then connected with a pre-charging device to conduct power supply. According to the utility model, one high-voltage power supply is used for supplying power to the pre-charging devices arranged on the two or more loudspeakers, each pre-charging device can be independently disconnected without influencing the normal operation of other pre-charging devices and an electric field under the condition that a main power supply is not cut off, and on the premise that the pre-charging devices normally operate the required high-voltage power supply, the pre-charging devices can be independently disconnected. The construction cost is greatly saved, and the market competitiveness is improved.

The invention belongs to the technical field of power transmission, and relates to an anti-icing micro-nano gradient modified high-voltage wire and a preparation method thereof. The power transmission line comprises a power transmission line and a nano-scale modification layer wrapping the surface of the power transmission line, and the power transmission line is formed by twisting a plurality of metal monofilaments with micron-scale structures on the surfaces; the metal monofilament has a circular cross section, a square cross section or a special-shaped cross section; the preparation method of the metal monofilament surface micron size structure comprises the steps of sand blasting, anodic oxidation or wiredrawing nanoimprint; the micron-sized structure comprises a frame and micropores enclosed by the frame, the micropores are inverted pyramid-shaped, honeycomb-shaped, inverted cone-shaped or triangular pyramid-shaped, the range of an included angle between the frame and the metal monofilament is 110-130 degrees, the ratio of the surface area of the micropores to the total surface area of the metal monofilament is greater than 90%, and the length and the width of the micropores are between 5-800 microns. The maintenance frequency can be reduced, the microstructure is protected, the service life of the microstructure is prolonged, and meanwhile the super-hydrophobic, super-oleophobic, anti-ice, anti-freezing rain, anti-rime and anti-dirt-accumulation functions are achieved.

The utility model discloses a high-voltage mouse trapping fence. A mouse trapping unit comprises a first bottom fence, a second bottom fence, a third bottom fence, a first wiring board, a second wiring board and a third wiring board. The second bottom fence and the third bottom fence are detachably connected to the first bottom fence; a first wiring board is detachably mounted above the first bottom bar, a second wiring board is detachably mounted above the second bottom bar, and a third wiring board is detachably mounted above the third bottom bar; the third wiring board is connected with the first wiring board; the first wiring board, the second wiring board and the third wiring board are all made of metal materials; the second bottom fence of one mouse trapping unit is detachably connected with the first bottom fence of the other mouse trapping unit; one end, far away from the first bottom fence, of the second wiring board of one mouse trapping unit is connected with one end, far away from the second bottom fence, of the first wiring board of the other mouse trapping unit; the electronic mousetrap is provided with a ground wire and a high-voltage wire, and the ground wire and the high-voltage wire are connected with the second wiring board and the third wiring board of one mousetrap unit respectively.

The utility model discloses an extra-high voltage wire fixing clamp in the technical field of wire fixing clamps, which comprises a lower fixing clamp plate and an upper fixing clamp plate, an adjusting transverse plate is assembled at the upper end of the lower fixing clamp plate, an adjusting slide way is arranged at the top end of the adjusting transverse plate, an adjusting shaft is mounted at the lower end of the upper fixing clamp plate, and a shaft seat is mounted outside the adjusting shaft. The shaft seat is installed in the adjusting slide way, rotating cavities are evenly formed in the outer side wall of the shaft seat at equal intervals along the axis of the shaft seat, balls are installed in the rotating cavities, stable slide grooves are formed in the inner walls of the two sides of the adjusting slide way, and the outer portions of the balls are arranged in the stable slide grooves. A pressing seat is assembled at the top end of the fixed upper clamping plate; according to the extra-high voltage wire fixing clamp, the adjusting transverse plate is arranged between the fixing upper clamping plate and the fixing lower clamping plate, and the shaft seat is arranged between the adjusting transverse plate and the fixing upper clamping plate, so that the fixing upper clamping plate can be fixed conveniently, and a clamped wire can be laid conveniently.

The embodiment of the invention provides a noise reduction device, and relates to the technical field of vehicles, the device comprises a shell and a function part; wherein the shell is made of an electromagnetic shielding material, an inner cavity of the shell is used for containing the high-voltage wire, and the high-voltage wire is used for transmitting electric energy in a vehicle; a function part is attached to the inner wall of the inner cavity and used for absorbing force generated by vibration of the high-voltage wire. Based on the device, the shell made of the electromagnetic shielding material is used for containing the high-voltage wire, electromagnetic radiation generated by the high-voltage wire in the electric energy transmission process is effectively shielded, and vibration noise generated when the electromagnetic radiation acts on parts outside the high-voltage wire is restrained. In addition, vibration of the high-voltage wire in the electric energy transmission process is absorbed through the function part, so that vibration of other parts in contact with the high-voltage wire driven by the high-voltage wire is effectively inhibited, and vibration noise of the whole vehicle is further reduced. The embodiment provided by the invention can be applied to intelligent automobiles or new energy automobiles.

The application belongs to the technical field of felling and branch cutting, and particularly relates to a self-propelled tree sawing robot, which comprises a robot body, an electric saw, walking wheels, a support and a hoisting device. The electric saw is arranged on the robot body through a mechanical arm. The walking wheels are electric walking wheels, and are located above high-voltage wires and walk along the high-voltage wires. The support is rotatably arranged on the robot body, and is driven to rotate by a first driving mechanism. The walking wheels are arranged on the support, and the support drives the walking wheels to move close to or away from the high-voltage wires. The hoisting device is detachably arranged on the robot body through a connecting piece, and is located below the walking wheels. The ropes of the hoisting device and the walking wheels are located on both sides of the high-voltage wires, and the rope ends of the ropes are connected to the ropes after winding around the high-voltage wires. The self-propelled tree sawing robot skillfully realizes convenient on-line and off-line of the self-propelled tree sawing robot, and prunes branches along the existing high-voltage wires.

The application discloses an anti-interference intelligent ignition device, which comprises an ignition rod, a high-voltage wire channel is arranged in the ignition rod and is used for connecting an external high-voltage power supply, a high-voltage electric arc ignition type ignition electric nozzle is fixedly installed at the front end of the ignition rod through screw threads, the ignition electric nozzle can generate a high-voltage electric arc, the ignition end of the ignition electric nozzle faces the air outlet end of an anti-interference head, the anti-interference head comprises a cylinder one which is rotatably installed at the front end of the ignition rod, the rear end of the cylinder one is provided with a cylinder two through screw threads, the front end of the cylinder two is designed in a trumpet-shaped flared manner, through the flow guide block one, the flow guide block two and the air channel structure in the anti-interference head, the oil gas can be branched, compressed and backflow-impacted, so that the oil gas flow rate is reduced and the local concentration is improved, the anti-interference head with an adjustable matching angle can accurately aim at the oil gas nozzle, the problem that a high-speed airflow blows out a flame is solved, and the oil gas can be quickly ignited without long-time and multiple ignitions.

The invention discloses a high-voltage wire bending device, and relates to the technical field of high-voltage wire bending equipment, the high-voltage wire bending device comprises a main body, and the main body is provided with a bending mechanism used for applying bending force to a high-voltage wire to realize multi-angle bending and rounding operation. Through a composite driving structure of the longitudinal pushing air cylinder and the transverse pushing air cylinder, a stroke sensor and an external control system are matched, a mold or an equipment structure does not need to be frequently replaced, the bending angle of the high-voltage wire can be accurately controlled only by adjusting the extending distance of the two air cylinders, and multi-angle bending and circle bending operation is achieved; the positioning cylinder drives the positioning rod to be matched with the limiting wheel, so that the high-voltage wire can be stably pressed and fixed, the deviation of the wire during processing is avoided, the fatigue damage of the wire caused by unreasonable stress is reduced, the stability of electrical performance is ensured, and the production efficiency is improved. The service life of the wire is prolonged.

The invention discloses a transformer substation high-voltage wire electricity testing and grounding hanging ring, relates to a transformer substation high-voltage wire overhauling device, and aims to solve the problems of insufficient safety, complicated operation, low efficiency and poor adaptability in the existing high-voltage wire electricity testing and grounding operation. A main body bearing ring is used for being connected with a grounding wire; the grounding hanging part is arranged on the main body bearing ring, and an ear hanging hole is formed in the end side wall of the grounding hanging part; the ear hanging hole is used for hanging a high-voltage wire; the non-contact electric field sensor is embedded in the grounding hanging part and is used for identifying whether the high-voltage wire hung in the ear hanging hole is electrified or not; the audible and visual alarm is arranged on the grounding hanging part, the audible and visual alarm is connected with the non-contact electric field sensor, and when the non-contact electric field sensor recognizes that the high-voltage wire is electrified, the audible and visual alarm gives an audible and visual alarm. The beneficial effects are that whether the high-voltage wire is carried or not can be conveniently detected, accurate judgment of a'no-power 'state is ensured, and the device is high in safety, simple in operation, high in working efficiency and strong in adaptability.

The invention discloses a new energy automobile electric cabinet copper bar stamping method which comprises the following steps: firstly, selecting a soft (T2M) or semi-hard (T2Y2) red copper bar with a rectangular or rounded rectangular cross section, carrying out acid pickling to remove an oxide layer, and polishing to improve the surface smoothness; and then the punching machine is used for being matched with the conveying chain plate to automatically clamp the copper bar, and high-precision cutting of the copper bar is achieved through the numerical control bending machine. After sharp burrs on the punched edge are ground and polished, the polished and worn part is coated with the PECVD nano coating to be matched with the fluorine silica gel sealing ring, so that double protection is achieved, direct wear to the copper bar is reduced, and meanwhile, a high-voltage wire is replaced with a UV curing insulating coating from a PET blue film to improve the voltage resistance value. And then the contact resistance and the current-carrying capacity of the copper bar are reduced by adopting a laser cladding silver-copper composite layer, and the conductivity of the copper bar is improved by replacing nickel plating with tin plating. Therefore, even if the resistance is increased due to a small part of abrasion caused by polishing, the contact resistance of the copper bar is not abnormal, so that the influence of functional defects is avoided.

The utility model provides an obstacle-avoidance deicing device applied to split high-voltage wires and double wires, which comprises two deicing units with the same structure, namely a front deicing unit arranged at the front end of the motion direction of the deicing device and a rear deicing unit arranged at the rear end of the motion direction of the deicing device, the connecting mechanism is used for connecting the two deicing units and can rotate in the horizontal direction and the vertical direction; the deicing unit comprises a base, a fixed driving mechanism and a deicing mechanism, and the fixed driving mechanism is arranged on the base and used for fixing the deicing unit on the high-voltage wire to be deiced and driving the deicing unit to move along the high-voltage wire; the deicing mechanism is arranged on the base and the fixed driving mechanism and is used for deicing the high-voltage wire; by means of the two deicing units and the connecting mechanism used for connecting the deicing units, obstacle avoidance in the deicing process of the split high-voltage wire can be achieved, and double-wire deicing work can be carried out.

The utility model belongs to the technical field of power equipment, and particularly relates to a wire fixing device and a composite insulation cross arm. The wire fixing device is arranged on a composite insulation cross arm, is used for fixing a wire, and comprises a sleeve connected with the end part of the composite insulation cross arm, a first fixing seat which is arranged on one side of the fixing sleeve and extends outwards, a second fixing seat which can be buckled relative to the first fixing seat, and a locking assembly arranged between the first fixing seat and the second fixing seat, a wire groove for a wire to penetrate through is formed between the first fixing base and the second fixing base. The high-voltage wire can be firmly fixed in the wire groove between the first fixing seat and the second fixing seat through mutual cooperation of the first fixing seat, the second fixing seat and the locking assembly arranged between the first fixing seat and the second fixing seat, the fixing speed is high, time and labor are saved, the workload of subsequent maintenance and repair is reduced, and the engineering maintenance cost is reduced.

The present invention discloses a multifunctional ultra-high voltage insulation performance test platform device, which is composed of a high voltage wire inlet unit, a vacuum test unit, an auxiliary air extractor group and a maintenance platform. The high voltage wire inlet unit is composed of a high voltage power supply, a power supply tank body, a pressure gauge, a shielding ring, a conductor support frame, a corrugated pipe, a vacuum epoxy fiberglass cylinder, a conductive plate, a high voltage conductor, an inner shielding cover, a pressure relief device, SF6 gas, etc. The vacuum test unit is composed of a vacuum tank body, a pressure-resistant contact, an insulation platform, a KF25 connector, a CF35 interface, a vacuum pump interface, an access door, an observation window and a secondary wiring board, etc. And the auxiliary air extractor group can ensure the vacuum degree of the vacuum chamber. The maintenance platform adopts an aluminum alloy profile structure to ensure the strength and at the same time ensure the overall aesthetic appearance.

The utility model discloses an auxiliary ring for overturning a shielding wire, which is provided with an outlet end provided with a through hole, and an inner core of a high-voltage wire can pass through the through hole; the first end of the inlet end is connected with the first end of the outlet end; the inlet end comprises a fixed part and a movable part, the fixed part is fixedly connected with the inlet end, the movable part is connected with the fixed part, and the movable part can be overlapped with the fixed part; and the hose clamp is sleeved on the movable part and the fixed part, the diameter of the hose clamp can be changed, and the outward turning of the shielding wire can be quickly and accurately completed according to the condition of different wire diameters of the high-voltage wire, so that the working efficiency can be effectively improved, and the cost performance can be improved.

The application discloses a 1000kV ultra-high voltage unmanned aerial vehicle airborne electricity testing device and method, and relates to the technical field of electricity testing devices, which comprises a base, an unmanned aerial vehicle body and a conductive wire clamp mechanism, wherein the conductive wire clamp mechanism comprises a sleeve joint frame. The 1000kV ultra-high voltage unmanned aerial vehicle airborne electricity testing device and method has the advantages that after the electricity tester body and the conductive wire clamp mechanism are moved to the periphery of a high-voltage wire by the unmanned aerial vehicle, the first electric telescopic rod drives the positioning pressure head to extrude and position the grounding wire passing through the wire passing frame, then the second electric telescopic rod drives each pushing half frame to push the grounding wire located in the mounting frame, so that the grounding wire presents an S-shaped structure, the grounding wire in the air is prevented from swinging greatly due to the blowing of wind, the swinging of the grounding wire is blocked from the tension adjusting mechanism, and the stability of the conductive wire clamp mechanism and the electricity tester body is prevented from being affected.

The utility model relates to the technical field of static electricity elimination, in particular to a powder blanking packaging static electricity eliminator which comprises a material conveying pipe, an electrode holder is installed on the inner wall of the lower portion of one side of the material conveying pipe, a discharge electrode is installed on the inner side of the electrode holder, and a current-limiting resistor is installed at one end of the discharge electrode. Through cooperation of a conveying pipe, a shell, an electrode holder, a high-voltage wire, a discharge electrode, a current-limiting resistor and a scattering structure, a motor drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a rod body to rotate, and then caked powder is scattered; discharge electrodes in one row of electrode holders are connected with the positive high-voltage output end of the external alternating-current automatic balance type static electricity eliminator, the other row of electrode holders are connected with the negative high-voltage output end of the external alternating-current automatic balance type static electricity eliminator, powder falls down, then electric field force is achieved, static electricity elimination work is completed, a worker can scatter large static electricity blocks conveniently, and the work efficiency is improved. And the subsequent static elimination effect is prevented from being influenced.

The invention relates to a high-voltage measuring device for an electric power system of a motor train unit, in particular to a metal armored high-voltage voltage transformer for the motor train unit. Comprising an insulator and a coil device body sealed in the insulator, a primary high-voltage insulating sleeve is arranged on the top or the upper side portion of the insulator, and a primary high-voltage terminal and a shielding net surrounding the primary high-voltage terminal are arranged in the primary high-voltage insulating sleeve; a secondary terminal is arranged at the lower part of the insulator; a metal shell is arranged outside the insulator, and a semi-conductive layer is sprayed on the surface, located inside the metal shell, of the insulator. According to the invention, the epoxy resin and the metal shell form a totally-enclosed dry-type structure, and the primary shielding lead is used in cooperation, so that the problem of an original exposed high-voltage lead on a motor train unit is solved, the voltage condition can be monitored in real time, and the safety of the train in the running process is ensured; moreover, the system can adapt to a complex operation environment, and prevents the motor train unit from being affected by factors such as electromagnetic interference and temperature change in the operation process.

The invention discloses a construction method for connecting a high-voltage cable with a 35kV power line in an electrified manner, which is used for solving the problems that the power supply commissioning of a construction site is delayed due to the phenomena that the traditional overhead line T-connection power taking, the overhead line phase spacing safety distance and the high-voltage wire to ground safety distance cannot be ensured, the power failure coordination procedure is complicated, the later operation and maintenance cost is increased, the power utilization risk is increased and the like. The temporary power utilization system belongs to the technical field of temporary power utilization. In temporary electric power engineering construction, the 35kV high-voltage cable is adopted for connection and electricity taking, safety and quality are guaranteed, the temporary electricity connection speed is increased, and the construction cost is reduced.

The invention relates to a strain insulator string for a 1000kV extra-high voltage transformer substation suitable for a high altitude, and belongs to the technical field of insulator strings. Comprising an insulator assembly. The high-voltage side connecting fitting assembly is arranged at the lower end of the insulator assembly and is used for connecting a high-voltage wire; the grading ring is arranged at the joint of the lower end of the insulator assembly and the high-voltage side connecting fitting assembly, the grading ring is of a double-ring structure formed by coaxially arranging a large ring and a small ring, and the grading ring is located below the insulator assembly; and the shielding ring assembly is arranged below the grading ring and is connected to the high-voltage side connection fitting assembly, and the shielding ring assembly comprises two shielding rings which are symmetrically arranged on the two sides of the high-voltage side connection fitting assembly. The air gap discharge performance and the creeping discharge performance near the connection point are improved, the influence that the corona inception voltage is reduced due to elevation rise is counteracted, and therefore corona and noise are avoided.

The invention discloses an anti-galloping spacer for a high-voltage power transmission tower system, which comprises a linear or star-shaped central bracket, the central bracket is of a hollow structure, the central bracket is provided with a plurality of cylinders which are radially arranged along the center of the central bracket, the inner ends of the cylinders are connected together, and the inner cavities of the cylinders are communicated with one another; a through hole is formed in the center of the outer end face of each cylinder body, the magnet flexible buffering structure comprises magnetic cylinders and telescopic supporting rods, the inner ends of the telescopic supporting rods extend into the cylinder bodies through the through holes to be connected with the outer ends of the magnetic cylinders, the magnetic cylinders are arranged in the cylinder bodies in a sliding mode, and the magnetic poles of the inner ends of the magnetic cylinders in the cylinder bodies are the same. The outer ends of the telescopic supporting rods are fixedly connected with corresponding high-voltage wires. According to the invention, the galloping of the high-voltage wire during wind blowing can be reduced, and the magnet flexible buffer structure is arranged between the high-voltage wire and the spacer, so that the stress concentration is reduced, and the metal fatigue fracture of the high-voltage wire in the violent and repeated galloping process is avoided.

The utility model discloses an extra-high voltage lead hoop, which relates to the technical field of hoops, and comprises a first hoop, a second hoop is arranged on one side of the first hoop, and the surface of the first hoop and the surface of the second hoop are fixedly connected with fixing frames. Clamping plates are rotatably connected to the interiors of the first hoop and the second hoop correspondingly, a fixing sleeve is fixedly connected to the surface of the clamping plate on the second hoop, a threaded rod is in threaded connection to the interior of the fixing sleeve, a gear is slidably connected to the surface of the threaded rod, and grooves are formed in the interiors of the first hoop and the second hoop correspondingly; according to the extra-high voltage wire hoop, the threaded rod is rotated, so that the first hoop and the second hoop move, the fixing frame is driven to move, the position of the fixing frame is changed, a wire is convenient to install, meanwhile, the first hoop and the second hoop are prevented from being disassembled, and the use is convenient. And operation of workers is facilitated.

The utility model belongs to the field of new energy automobile parts, and particularly relates to an intelligent high-voltage wire harness. The device comprises high-voltage connector plugs, a high-voltage wire, protective tubes, a waterproof mechanism, a temperature monitor, a voltage monitor and a current monitor, the high-voltage connector plugs are arranged at the two ends of the high-voltage wire, the protective tubes are arranged on the outer side of the high-voltage wire, and the temperature monitor, the voltage monitor and the current monitor are arranged on the high-voltage wire. And a monitor waterproof mechanism is arranged outside the monitor. The working state of the high-voltage wiring harness can be monitored in real time, and alarm and even power failure are performed when abnormity occurs, so that the risk of burning equipment and even the whole vehicle can be effectively avoided, and the safety and reliability of the whole new energy vehicle are greatly improved.

The utility model discloses an extra-high voltage wire traction head in the technical field of wire traction heads, which comprises a traction rod, a traction head is assembled at the top end of the traction rod, a driving rod is assembled at the lower end of the traction rod, and a clamping block a is assembled on the inner wall of the upper side of the traction head; a clamping block b is assembled on the inner wall of the upper side of the traction head, a clamping assembly is installed on the side wall of the clamping block a, and a driving opening is formed in the side wall of the upper end of the traction rod. A driven gear is assembled at the driving port, a screw is mounted on the inner wall of the traction head, and the lower end of the screw is connected with the driven gear; a through hole is formed in the side wall of the clamping block a, an inner screw cylinder is installed in the through hole, and the inner screw cylinder is connected to the outer portion of the screw in a threaded mode; according to the arrangement of the extra-high voltage wire drawing head, the two clamping blocks can be driven to move relatively through the internal transmission mechanism, the clamping assemblies are arranged on the clamping blocks, the wire can be drawn and clamped, the extra-high voltage wire drawing head can be suitable for wires of different diameters through cooperation of the clamping assemblies, and then the operation capacity is improved.

The present invention discloses a high-voltage wire coating machine, comprising a frame; a lifting mechanism, a sensing mechanism, a limiting device, a driving mechanism, a gluing mechanism, a gluing mechanism, a gluing mechanism, and a control device are arranged on the frame; the lifting mechanism, the sensing mechanism, the limiting device, the driving mechanism, the gluing mechanism and the gluing mechanism are all electrically connected to the control device; in the present invention, the coating machine can be lifted to the high-voltage wire by the lifting mechanism, and then the high-voltage wire is sensed by the sensing mechanism. After the signal is sensed, the coating machine is hung on the high-voltage wire by the limiting device, and the high-voltage wire is wrapped inside by the gluing mechanism. Then, the coating machine is driven by the driving mechanism to move under the high-voltage wire, so that the high-voltage wire gradually passes through the gluing mechanism, thereby performing gluing, and thereby replacing manual labor, realizing the automation of the gluing work, and thereby improving work efficiency and saving production time.

The invention provides a hot-line work robot arc discharge transient current test system and method and a medium. The system comprises a high-voltage wire, wherein a high-voltage test module is connected with the high-voltage wire; the liftable insulating platform is arranged right below the high-voltage wire; the current measurement module is arranged on the liftable insulating platform and is isolated from the ground to form a floating ground measurement structure. According to the invention, the whole current measurement module is electrically isolated from the ground to form a floating ground measurement structure, so that the potential reference of the measurement system and the potential of a discharge point float synchronously, and the conduction interference path of a ground loop is fundamentally cut off; the current measurement module is configured to adopt a differential measurement mode to actively identify and counteract common-mode radiation interference components, so that the signal-to-noise ratio and the measurement precision of a signal in a strong electromagnetic disturbance environment are greatly improved; the floating ground technology and the differential technology are organically combined to form a complete anti-interference system aiming at conducted interference and radiated interference.

The invention relates to a method and a device for calculating the induced voltage of an uninterrupted ground wire of an extra-high voltage wire. The method for calculating the induced voltage of the uninterrupted ground wire of the extra-high voltage wire comprises the following steps: dividing the ground wire into a plurality of sub-wire segments with equal distances; building an equivalent circuit model of the sub-line segment, and obtaining an induced voltage generated by the wire on the sub-line segment, the impedance of the sub-line segment and the admittance of the sub-line segment; determining the output induced voltage of the sub-line segment according to the induced voltage generated by the wire on the sub-line segment, the impedance of the sub-line segment and the admittance of the sub-line segment; and taking the sum of the output induced voltages of the sub-line segments as the total induced voltage of the ground wire. Through the technical scheme of the invention, the difficulty of obtaining the induced voltage of the extra-high voltage ground wire is reduced, the calculation precision of the induced voltage of the extra-high voltage ground wire is improved, and the ice melting work of the extra-high voltage ground wire can be effectively guided.

The invention discloses a high-voltage wire foreign matter cleaning device, which comprises a mounting plate, an adjusting assembly, a driving wheel, a power component, a rotating mechanism and an electric cleaning brush, and is characterized in that when the device is used, an unmanned aerial vehicle lifts the whole cleaning mechanism to a position above the position of a target high-voltage wire, and the driving wheel is erected on an adjacent wire under the action of the adjusting assembly; the position of the electric cleaning brush is adjusted to be attached to the outer surface of the wire through the adjusting piece, the power mechanism is started and drives the driving rod to rotate, and the driving rod rotates to drive the driving wheel to rotate so as to drive the whole cleaning device to stably and orderly advance in the wire direction. When the rotating mechanism works, the electric cleaning brush is driven to rotate around the outer surface of the wire in a surrounding mode, and 360-degree full-coverage dynamic cleaning of the outer surface of the wire by the electric cleaning brush is achieved. Through the combined movement mode, the electric cleaning brush can fully clean dust, oil stains, bird droppings and other impurities attached to the outside of the wire, and efficient and comprehensive surface cleaning is achieved.

The utility model discloses an electricity testing grounding ring with a lightning protection function, which relates to the technical field of high-voltage electricity testing grounding rings and comprises an insulating sleeve shell, an inner aluminum ring is arranged in the insulating sleeve shell, the bottom of the insulating sleeve shell is of a hollow structure so that the inner aluminum ring can be exposed, and a grounding wire clamp is arranged on the outer surface of the inner aluminum ring. A drainage wire port is arranged on the outer surface of the ground wire clamp, two groups of clamping grooves are arranged in the ground wire clamp, the inner aluminum ring is arranged between the two groups of clamping grooves, and a cable is arranged on the outer surface of the lower end of the ground wire clamp. According to the electricity testing grounding ring with the lightning protection function, through the grounding wire clamp arranged in the insulation sleeve shell, the effects of protection and current detection on a high-voltage wire in electric power engineering can be achieved, and the inner aluminum ring is matched with the grounding wire clamp to play a role in temporary grounding; the grounding structure is more convenient to assemble through the grounding wire clamp, and the convenience of the device is improved.

The invention relates to the technical field of lightning arrester installation, and discloses a fixing device for zinc oxide lightning arrester installation, the fixing device comprises a lightning arrester body and a connection driving assembly, the top end of the lightning arrester body is connected with a power connection assembly, and the bottom end of the lightning arrester body is connected with an insulation seat connection assembly. According to the invention, a to-be-protected high-voltage wire or a terminal on equipment can be quickly connected, the cross arm assembly can be pre-positioned on an installed cross arm, and then the driving assembly is utilized to drive the extrusion assembly, so that the cross arm assembly and the extrusion assembly are extruded and fixed on the cross arm, and no extra tool is needed; the insulation seat connecting assembly can be directly connected with the cross arm assembly in a clamping mode, installation is fast and convenient, the installation efficiency is effectively improved, meanwhile, the connection stability is guaranteed, meanwhile, the driving assembly does not need extra energy consumption, manual power generation is needed, and energy conservation and environment protection are achieved.