161results about "Maintaining distance between parallel conductors" patented technology

The embodiment of the invention provides power transmission line hardware fitting robot equipment, and relates to the field of power transmission line robots. The power transmission line hardware fitting robot equipment comprises a hoisting module and a robot module, the robot module is used for being fixed to a wire through an unmanned aerial vehicle, the robot module and the hoisting module are of an up-down split structure, the robot module and the hoisting module are detachably connected, and the robot module conducts autonomous online or offline through the hoisting module. An independent hoisting module is configured, and the hoisting module is conveyed and fixed to a wire through an unmanned aerial vehicle; the robot module achieves vertical lifting and accurate butt joint from the ground to the wire through the synergistic effect of the robot module and the hoisting module. The mode gets rid of dependence on personnel on the tower or an auxiliary sliding rail, the automation degree and safety of the on-line process are remarkably improved, and the method is particularly suitable for rapid deployment in a complex terrain or an electrified environment. And efficient, safe and autonomous online and offline of the robot module are realized.

The invention discloses a spacer installed based on an unmanned aerial vehicle, and an installation device and an installation method thereof, and relates to the technical field of power transmission line anti-icing equipment. The spacer comprises a spacer body; the number of the wire clamping mechanisms is two, and the two wire clamping mechanisms are arranged at the two ends of the spacer body respectively; wherein the conductor clamping mechanism can be in transmission connection and detachable connection with the unmanned aerial vehicle mounting mechanism, and under the driving of the unmanned aerial vehicle mounting mechanism, the conductor clamping mechanism can clamp the corresponding transmission conductor, and the spacer can be automatically mounted through the unmanned aerial vehicle, so that the mounting efficiency of the spacer is improved, and the operation risk is reduced. And the mounting device comprises an unmanned aerial vehicle body and an unmanned aerial vehicle mounting mechanism, is hoisted at the lower end of the unmanned aerial vehicle body, can be in transmission connection with the wire clamping mechanism and is clamped with the wire clamping mechanism, so that the spacer can be automatically mounted on the power transmission line wire. The installation method is based on the spacer and the installation device.

The spacer wire clamp comprises a J-shaped hook, a movable clamping block, a movable clamping block fixing plate, a lead screw, a wire protection pipe and the wire protection sleeve, the J-shaped hook comprises a hook head, a hook body and a hook tail, the movable clamping block is fixed on the movable clamping block fixing plate, the movable clamping block fixing plate is arranged at one end of the lead screw, and the lead screw is fixed on the wire protection pipe. The lead screw is in threaded connection with the hook tail and penetrates through the hook tail, the movable clamping block is located in the J-shaped hook, the wire protecting pipe comprises a fixed pipe piece and a movable pipe piece which are fixedly arranged on a hook head of the J-shaped hook and the movable clamping block respectively, the wire protecting sleeve comprises two symmetrical wire protecting pads which are arranged on the fixed pipe piece and the movable pipe piece respectively, and the wire protecting pads are each provided with a wire groove. The wire clamp is provided with the wire protecting sleeve, stress concentration of a wire at two ports of the wire clamp is avoided, the wire cannot be damaged at the wire clamp, the wire is effectively protected, and the wire clamp can be used for a long time.

The utility model discloses a clamping jaw type phase-to-phase spacer assembly, and relates to the technical field of electric power protection, the clamping jaw type phase-to-phase spacer assembly comprises a spacer body and a control steering engine, the left end and the right end of the spacer body are fixedly connected with fixing pieces respectively, the outer sides of the two fixing pieces are fixedly connected with connecting frames respectively, and the outer sides of the two connecting frames are connected with fixing frames respectively. Electric wrenches are connected to the fixing frames respectively, hanging rings are connected to the upper ends of the fixing parts respectively, baffles are fixed to the front ends and the rear ends of the fixing parts respectively, connecting plates are fixedly connected to the interiors of the fixing parts respectively, racks are slidably connected to the lower ends of the connecting plates, the lower ends of the racks are in transmission connection with two clamping jaws distributed left and right, and the clamping jaws are rotationally connected with the fixing parts. The right end of the rack is connected with a screw rod, the screw rod is in transmission connection with the electric wrench, the effect of one-way movement of the rack is achieved through clamping connection of the abutting plate and the teeth, reverse rotation of the screw rod is prevented after the electric wrench is disengaged, and clamping and fixing of a cable are guaranteed.

The invention discloses an intelligent spacer structure with a sensing energy-taking function, and relates to the technical field of electric power fittings and on-line monitoring, and the intelligent spacer structure comprises a middle frame and sensing energy-taking wire clamps which are connected to four corners of the middle frame and are used for being connected with wires. The sensing energy-taking wire clamp comprises a wire clamp fixed end and a wire clamp movable end; the wire clamp fixed end is connected with the middle frame, one side of the wire clamp movable end is hinged to the wire clamp fixed end through a rotating pin shaft, and the other side of the wire clamp movable end is detachably connected with the wire clamp fixed end, so that the wire clamp fixed end and the wire clamp movable end which are folded can clamp the outer side of a wire; a sensing module and an energy taking module are embedded in the inner sides of the wire clamp fixed end and the wire clamp movable end; the sensing module is used for collecting monitoring data of the wire, and the energy taking module is used for taking power from the wire and supplying power to the sensing module. According to the intelligent spacer, the sensing module and the energy taking module are integrated in the sensing energy taking wire clamp, so that the compact design of the intelligent spacer structure is realized, the overall structure is simplified, and the manufacturing cost is reduced.

The utility model provides a multi-loop iron tower line separation frame, which relates to the technical field of power transmission line iron towers and comprises a transverse plate, rotating arms arranged on two sides of the transverse plate, guide rails arranged on the outer sides of the rotating arms and a driving assembly arranged on the transverse plate. The rotating arm comprises a rotating part with one end rotationally connected with the transverse plate and an extension part slidably connected with the other end of the rotating part, one end of the guide rail is fixedly connected with the transverse plate, the other end of the guide rail is obliquely arranged relative to the transverse plate and provided with a sliding groove, and a sliding block matched with the sliding groove is arranged on the outer side of the extension part; the sliding block moves along the sliding groove, so that the two extension parts get close to each other or get away from each other. The multi-loop iron tower line separation frame solves the problems that an existing separation frame in the prior art is low in universality and high in use cost.

The invention relates to the technical field of power equipment, and discloses a wire arrangement device for a power grid power transmission and distribution line, which comprises a middle support frame, a plurality of connecting frames are arranged on the support frame at intervals along the circumferential direction, and locking hooks capable of being adjusted along the length direction of the connecting frames are arranged on the connecting frames. In an initial state, the locking hook is in contact with one end, far away from the supporting frame, of the connecting frame to form a locking space, and during working, the locking hook is adjusted to be far away from the connecting frame to form a threading channel; according to the invention, the distance between the locking hook and the wire can be shortened by sliding the locking hook out of the connecting frame for adjustment, so that the convenience of hanging the wire arrangement device and the wire is met, and meanwhile, the potential safety hazard is reduced.

This invention discloses a rapid assembly method for an anti-detachment tension buffer spacer and its main structure, belonging to the field of power fittings technology for transmission lines. It includes a main structure, a rubber core, and pre-twisted wire. The main structure comprises two relatively spaced frames, and multiple wire clamps and multiple rigid arc tubes disposed between the two frames. The rubber core serves as a buffer layer covering the outer periphery of the transmission line, and the pre-twisted wire is wound and wrapped around the outer periphery of the combination of the transmission line and the rubber core. The invention also includes an assembly method for rapidly manufacturing the main structure based on a dedicated quick-assembly workbench for anti-detachment spacers. This invention achieves rapid assembly of the anti-detachment spacer through multi-station synchronous operation and dynamic bolt control strategies, significantly shortening the assembly cycle of a single product and greatly improving batch production efficiency.

The utility model discloses a phase-to-phase spacer assembly with auxiliary mounting supports, which relates to the technical field of electric power protection and comprises a spacer, auxiliary supports are respectively fixed at the left end and the right end of the spacer, two symmetrically arranged control steering engines are respectively connected onto the spacer, and fixing frames are respectively connected to opposite sides of the two auxiliary supports. Electric wrenches are fixed to the fixing frames, positioning plates are fixed to the front ends and the rear ends of the auxiliary supports correspondingly, a double-end lead screw is rotationally connected into the auxiliary supports, two symmetrical clamping plates are in transmission connection with the double-end lead screw, clamping blocks are fixed to the opposite sides of the two clamping plates correspondingly, and transmission rods are rotationally connected to the opposite ends of the two auxiliary supports correspondingly; the transmission rod is in transmission connection with the double-end lead screw, the clamping plates and the clamping blocks are driven through the double-end lead screw, the two clamping blocks can clamp a cable conveniently, the double-end lead screw and the transmission rod are matched through a worm gear and a worm, the double-end lead screw is prevented from rotating reversely after the electric wrench is separated, and clamping and fixing of the cable are guaranteed.

The invention discloses a split-type spacer installation robot for a double-split three-phase conductor and an on-line and off-line and cooperative positioning method of the split-type spacer installation robot for the double-split three-phase conductor, and the robot comprises an upper installation module and a lower installation module, and the upper installation module is provided with walking wheels and at least one pair of take-up and pay-off devices; the loading guide mechanism and the loading docking mechanism are detachably mounted; the lower assembly module is provided with a lower assembly guide mechanism and a lower assembly butt joint mechanism which are detachably installed, and the lower assembly butt joint mechanism is matched with the upper assembly butt joint mechanism to achieve rapid butt joint; the loading guide mechanism is controlled to be in an inverted V shape when passing through the wire upwards and to be in a positive V shape when passing through the wire downwards; and the down-loading guide mechanism is used for pushing the wire aside when the wire passes through the down-loading guide mechanism upwards. The method is easy and convenient to operate and accurate in positioning, the three-phase wires of the split-type spacer mounting robot can be loaded and unloaded only through the unmanned aerial vehicle, and the method has good universality for the three-phase wires in different arrangement modes.

The invention discloses an elastic metal wire clamp and a spacer, and relates to the technical field of electric power fittings, and the elastic metal wire clamp comprises a fixed wire clamp main body, a movable wire clamp cover plate and a flexible holding assembly. One end of the movable wire clamp cover plate is hinged with one end of the fixed wire clamp main body to form a pincerlike structure with a jaw; the other end of the fixing wire clamp main body is provided with a through hole for external connection; the number of the flexible holding assemblies is two, and the flexible holding assemblies are fixed to the two sides of the jaw respectively to form wire fixing holes. The flexible holding assembly comprises a wire clamp metal elastic element and a wire protection layer installed on the wire clamp metal elastic element. The wire clamp metal elastic element is fixedly connected with the fixed wire clamp main body or the movable wire clamp cover plate; when the fixed wire clamp main body and the movable wire clamp cover plate fix and lock the wire through the fastener, the wire clamp metal elastic element generates elastic deformation, and elastic buffering is provided for the wire through the wire protection layer. The wire can be allowed to swing slightly to release stress, and stable gripping force is provided to prevent displacement of the wire.

This utility model discloses a high-voltage power grid clamp assembly for quick installation and disassembly, relating to the field of high-voltage power grids. It includes a fixed base, a movable component, and a rotation limiting component. A carrying ring is welded to the center of the fixed base, and movable components are provided on both sides of the fixed base. The movable component is located at the bottom of the movable components. This high-voltage power grid clamp assembly, with its movable and adjusting components, facilitates subsequent adjustment of the distance between the wires on both sides during use, preventing wire tangling and reducing safety hazards. It also ensures stable limiting of the wires, preventing loosening during subsequent use. Furthermore, it allows for easy adjustment of the high-voltage power grid clamp assembly according to the wire diameter, expanding its applicability and facilitating its use.

The invention discloses a portable wire spacer convenient to install, and relates to the technical field of electric power fittings. The portable wire spacer convenient to install comprises a fixing disc and a support installed on the surface of the fixing disc, a threaded rod is installed on the side of the surface of a square connecting rod and close to a semicircular groove body, and a fixing hoop is fixedly connected to the end of the outer side of the square connecting rod and close to the semicircular groove body. A first protective gasket is fixedly connected to the inner side face of the fixed clamp, a movable clamping piece is installed at the top end of the fixed clamp and comprises a movable clamp and a second protective gasket, and a semicircular connecting lug is fixedly installed on the side, close to the semicircular groove body, of the surface of the movable clamp; limiting elastic pieces are fixedly installed at the positions, close to the semicircular connecting lugs, of the surfaces of the movable clamping hoops, and U-shaped notches are formed in the ends, away from the movable clamping hoops, of the limiting elastic pieces, so that the anti-loosening purpose is achieved, mounting and dismounting are convenient, the influence of severe weather is reduced, and loosening is not prone to occurring.

The invention discloses a mountainous terrain portable phase-to-phase spacer device which is characterized by comprising a spacer body, a length adjusting device detachably arranged on the outer side of the spacer body, a wire connecting device detachably arranged on the outer side of the length adjusting device and an external driving device. A driving device mounting structure is arranged on the outer side of the wire connecting device, the driving device is detachably connected with the wire connecting device through the driving device mounting structure, and the driving device drives the wire connecting device to lock the wire on the corresponding side. Disassembly and assembly can be achieved in the transportation process, transportation under special terrains is facilitated, and meanwhile the spacer can be assembled and disassembled in cooperation with an unmanned aerial vehicle.

The application discloses electric power fitting fixing frame, belongs to electric power fitting field, including two groups parallel distribution's main frame, two groups main frame outer surface fixedly connected with movable rod, movable rod rotationally connected with support rod one, support rod one outer surface upper and lower sides rotationally contact with main frame outer surface, two groups main frame between be provided with buffer assembly, buffer assembly include with support rod one outer surface fixedly connected with movable sleeve, main frame outer surface open with guide groove.Can realize through setting buffer assembly, through the shape change of capsule can effectively buffer absorption to support rod one received impact, thereby can effectively reduce the impact that support rod one received, not only can effectively reduce the vibration amplitude of split conductor, thereby can reduce the probability that whip of wire between each other occurs, simultaneously also can effectively improve the installation stability of wire.

The invention discloses a portable 10kv spacer, and relates to the field of electric power circuit fittings, the portable 10kv spacer comprises a telescopic insulating rod and two groups of cable connecting units, and two ends of the telescopic insulating rod are respectively provided with an insulator; the cable connecting unit comprises a door-shaped frame and two sliding rods, and the door-shaped frame is rotationally connected with one end of the telescopic insulating rod and can be locked at multiple angle positions; the two sliding rods are arranged in the n-shaped frame, the middle sections of the sliding rods are provided with rotatable multi-position chucks, the two opposite sliding rods are far away from each other, the two multi-position chucks can be arranged on the two sides of a cable, and then the sliding rods can be driven to reset by means of the elastic force of the springs on the two sides. The two multi-position chucks are automatically close to each other and clamp the cable, the operation is convenient and fast, the operation difficulty is reduced, and the installation efficiency is improved.

The utility model discloses a novel structural form of an integrated protection insulation drainage device, which relates to the technical field of drainage devices and comprises a pair of insulation drainage wires, drainage plates are mounted at two ends of the insulation drainage wires, suspension wire clamps are mounted in the centers of the insulation drainage wires, and the insulation drainage wires are connected with the suspension wire clamps. The two ends of the suspension clamp are sequentially provided with a plurality of novel corona-free arbitrarily-combined spacers at intervals, the novel corona-free arbitrarily-combined spacers are connected with one another, the insulating drainage wire adopts a totally-closed integrally-formed structure, a conducting wire of the insulating drainage wire adopts a steel-cored aluminum stranded wire, and the insulating drainage wire adopts a steel-cored aluminum stranded wire. According to the utility model, the drainage plates are crimped at the two ends of the wire, and the whole silicon rubber sheath of the drainage plates is injected or molded, so that the whole insulated drainage wire forms a totally-enclosed integrally-molded structure, and the insulated drainage wire has the advantages of moisture resistance, corona resistance, bird resistance, external damage resistance, aging resistance and the like.

The present application relates to the technical field of power equipment, and discloses a power transmission line spacer rod, which comprises an inter-phase spacer rod body and fixing assemblies arranged at two ends of the inter-phase spacer rod body, the fixing assemblies comprise guide rails and two oppositely arranged clamping plates, the two ends of the inter-phase spacer rod body are fixedly provided with connecting seats, the guide rails are fixedly connected with the connecting seats, the two clamping plates are slidingly connected with the guide rails, the side of the guide rail away from the connecting seat is provided with a transmission assembly, and the side of the guide rail away from the clamping plate is provided with a driving assembly; through the arrangement of the driving assembly and the transmission assembly, when the connecting rope is cut off, the first spring drives the sliding plate to move, the straight gear, the first bevel gear, the second bevel gear and the double-headed screw rod are driven, the two clamping plates are relatively moved to clamp the cable, the self-locking characteristic of the double-headed screw rod is utilized to prevent the clamping plates from loosening, power components such as storage batteries and motors are not needed, the manufacturing cost of the spacer rod is significantly reduced, and the safety hazards such as explosion caused by thermal runaway of the storage battery are avoided.

The utility model belongs to the field of power transmission equipment / fittings, and relates to a jumper supporting spacer, in particular to a linear spacer. Comprising a rod body and wire clamping mechanisms, the rod body comprises a first rod body and a second rod body; external threads and internal threads are respectively arranged on at least one part of the first rod body and the second rod body, and the first rod body and the second rod body are matched and connected through the external threads and the internal threads; the first rod body is a screw end provided with external threads, the second rod body is a sleeve end provided with internal threads, and the first rod body and the second rod body are connected through the threads to form the distance adjusting screw. A circle of ratchet groove is formed in the top circle of the external thread on the screw rod in the axial direction; and the external threads are tooth-shaped threads. And a first pawl which can be embedded into the ratchet groove is arranged on the second rod body. The first pawl is embedded into the ratchet groove, relative rotation of the first pawl and the ratchet groove is locked, the problem of threaded connection vibration loosening can be solved, and disengaging of the distance adjusting screw rod is avoided.

The utility model discloses a cable clamping mechanism for electrical installation engineering, which is characterized in that a supporting plate is arranged on the side surface of an installation plate, a positioning disc is arranged at one end, far away from the installation plate, of the supporting plate, a plurality of first limiting seats are uniformly distributed on one side of the positioning disc, a first transmission rod is slidably connected onto the first limiting seats, and a second transmission rod is slidably connected onto the first transmission rod. And a [-shaped limiting frame is arranged at one end of the first transmission rod, two arc-shaped clamping blocks are symmetrically arranged on the inner side of the limiting frame, a first limiting rod is arranged on one side of each arc-shaped clamping block, and the first limiting rods penetrate through the side wall of the limiting frame. According to the cable tensioning device, multiple sets of arc-shaped clamping blocks are arranged, a transmission disc is rotated, and a first transmission rod can drive the multiple sets of arc-shaped clamping blocks to slide on a first limiting seat at the same time under the cooperation effect of an adjusting knob and a first sliding groove, so that the tensioning degree of a cable can be adjusted, and the cable can be prevented from being broken due to too large tensioning force; and the applicability of the cable clamping mechanism is improved.

The invention provides a preparation method, material and application of an aluminum alloy material for power transmission fittings, and the method comprises the following steps: mixing pure aluminum, K2TiF6 powder, KBF4 powder and NaNO3 powder according to a mass ratio of 27: 1: 2: 0.02, and processing to obtain Al-TiB2 intermediate alloy; then, pure aluminum, Al-20% Si, Al-10% Mn, Al-5% Zr and Al-5% Er intermediate alloy are mixed and treated, and a first melt is obtained; adding pure magnesium into the first melt, and treating to obtain a second melt; then adding an Al-TiB2 intermediate alloy into the second melt, and treating to obtain a third melt; then adding an Al-10% Sr intermediate alloy into the third melt, and treating to obtain a fourth melt; and finally, the fourth melt is refined, and the high-toughness heat-treatment-free aluminum alloy melt is obtained. The ultra-high-voltage power transmission fitting can meet the use requirements of light weight and high reliability of the ultra-high-voltage power transmission fitting.

The invention discloses a damping spacer and a preparation method thereof, and relates to the technical field of alloys. The damping spacer comprises a frame, a wire clamp and two fixedly-connected rotating shafts, the frame is connected with the wire clamp through the fixedly-connected rotating shafts, and the two fixedly-connected rotating shafts are located on the two sides of the frame respectively and are symmetrically arranged; the wire clamp comprises a wire clamp cover plate, a wire clamp main body and a rotating shaft; the wire clamp cover plate and the wire clamp main body are connected through the rotating shaft; the damping spacer further comprises a limiting shaft used for limiting the wire clamp body to rotate around the fixed connecting shaft and a nut used for fixing the wire clamp body, the frame and the fixed connecting shaft. A locking pin is arranged on the wire clamp main body, and the end part of the locking pin is connected with a cotter pin; the damping spacer is made of titanium alloy. The damping spacer has the advantages of being high in strength and corrosion resistance, and can solve the problems that an existing line fitting is insufficient in reliability and short in service life under the extreme environment working condition.

The invention discloses a flexible all-metal spacer and a power transmission line, and relates to the technical field of electric power fittings, and the flexible all-metal spacer comprises a spacer body provided with a plurality of through holes, a plurality of wire clamp bodies rotationally connected with the plurality of through holes in a one-to-one correspondence manner, and a flexible buffer mechanism fixed at the connection part of each wire clamp body and the spacer body; the flexible buffering mechanism comprises a U-shaped body and limiting bodies fixed to the two ends of the U-shaped body respectively. A mounting groove for mounting a U-shaped body and a movable groove for mounting a limiting body are formed in the outer side of each through hole; the U-shaped body wraps the end part of the wire clamp main body; when the wire clamp main body rotates, the U-shaped body is driven to generate elastic deformation, and the limiting body generates displacement along the movable groove to provide elastic buffering for the wire clamp main body. The spacer has a flexible buffering capability, can cope with lead shaking caused by factors such as wind power and can adapt to a strong wind working condition, the all-metal anti-corrosion structure is suitable for lead fixation and vibration protection in a corrosive environment, and the service life of the spacer is prolonged.

The utility model discloses a simple mounting tool for a distance-adjusting wire clamp, which relates to the field of distance-adjusting wire clamps and comprises a mounting clamp, two groups of extrusion columns are mounted at one end of the mounting clamp, two groups of fixing blocks are fixed at the top of the mounting clamp, an extruder is connected to one side of each fixing block, and an extrusion plate is mounted at the end of each extruder. According to the utility model, the problem that two groups of wire clamp sleeves are difficult to merge when the flexible distance-adjusting wire clamp is fixedly sleeved on the outer wall of a wire is solved, when the second wire clamp covers the top of the first wire clamp, the extrusion column is clamped at the bottom of the first clamping block, and the extrusion plate is buckled at the top of the second clamping block, so that the flexible distance-adjusting wire clamp is fixed. Then, a person holds a grab handle at the bottom of the squeezer to move and squeeze the installation clamp mutually, a squeezing column and a squeezing plate rotate to get close with a fixing block as the circle center, and according to the lever principle, the person can gently hold the installation clamp and the squeezer; therefore, the second clamping block on one side of the second wire clamp can be clamped between the two groups of first clamping blocks on the outer wall of the first wire clamp.

The invention discloses a combined spacer and an installation method, and belongs to the field of cable overhead spacers. The combined spacer comprises a circular ring, a sliding block, a disc and a binding post; the outer end of the binding post is provided with a wire clamp for fixing a cable, the middle section is provided with a screw part, the inner end is a straight rod part, the outer diameter of the straight rod part is smaller than the thread small diameter of the screw part, and the wire clamp is rotatably arranged around the axis of the binding post; the at least two sliding blocks are detachably arranged on the circular ring, the sliding blocks are movably arranged along the track of the circular ring, the sliding blocks are provided with binding posts, screw rod parts of the binding posts penetrate through the same sides of the sliding blocks, and the axial direction of the binding posts is consistent with the radial direction of the circular ring; a plurality of groups of positioning holes are formed in the circumference of the disc, a plurality of positioning holes are formed in each group along the circumference of the disc in an array manner, the axial direction of the positioning holes is consistent with the radial direction of the disc, the positioning holes are used for the straight rod parts of the binding posts to penetrate through, and the straight rod parts of the plurality of binding posts are connected with the same group of positioning holes. According to the scheme, adjustment and adaptation can be carried out according to different cable numbers, and the high-altitude operation difficulty can be effectively reduced.

This invention discloses a spacer bar for overhead transmission lines, relating to the field of power fittings technology. It includes a frame with multiple support arms. Each support arm has a wire clamp at one end and limit pins on both sides of the other end. The frame has waist holes, and the limit pins are inserted into the corresponding waist holes to limit the swing of the support arm. Each support arm consists of an upper arm and a lower arm, with the upper arm rotatably connected to the frame and the limit pins located on the lower arm. The frame has a swing channel for the lower arm to swing. The lower arm has a triggering mechanism and a receiving cavity, containing a spare pin and an elastic element (A). This spacer bar for overhead transmission lines not only automatically restores its limiting capability after the original limiting function is lost, but also restricts the allowable swing angle of the lower arm to a smaller range than the original limiting angle. This provides stricter constraints to suppress conductor galloping, significantly reducing the risk of phase-to-phase flashover and fitting fatigue, and greatly improving the anti-galloping reliability of the spacer bar and the safety of line operation under harsh conditions.

The utility model discloses a wiring protection tool for a power transmission and transformation overhead power transmission line, belongs to the field of wiring protection, and aims to solve the problem that when a spacer is installed in a high-altitude severe environment, a bolt needs to be fastened so as to prevent a wire clamp from being separated from a lead. Through the unique design of the clamping hook and the locking piece, rapid clamping and locking of wires are achieved, in the high-altitude severe environment, an operator can rapidly convey a tool to the position between the wires, clamping and fixing of the wires are rapidly completed by rotating the rotating column and utilizing threaded surface meshing connection, and the working efficiency is improved. In addition, by adjusting the height of the rotating columns and the corresponding positions of the fixing bolts and the connecting penetrating grooves, the distance between the six parallel wires can be controlled, it is ensured that the six parallel wires are evenly distributed, the line layout requirement is met, the overall attractiveness and operation safety of the line are improved, and the risk that the spacer is separated from the wires is effectively avoided.

The utility model discloses an improved overhead transmission line limiting type anti-galloping device which comprises a waist plate, the upper end of the waist plate is symmetrically connected with spacers, the lower end of the waist plate is connected with a triangular hanging plate, the tail end of the triangular hanging plate is sleeved with a connecting fitting, the tail of the connecting fitting is provided with a ball head hanging plate, and the tail end of the ball head hanging plate is connected with a pull rod. An adjusting device is assembled at the tail end of the pull rod and comprises an infrastructure, a containing groove is formed in the infrastructure, the front end of the containing groove is connected with a steering pulley through a bearing seat, a winder is assembled at the rear end of the containing groove, a steel wire rope is wound around the winder and penetrates through the lower end of the steering pulley, and a DB adjusting plate is connected to the end of the steel wire rope; the steel wire rope front end fixing plate is sleeved with a connecting buckle, a pulling rope is connected to the connecting buckle, the tail end of the pulling rope is connected with a ground nail, and the ground nail is wedged on the ground. The pressure borne by an original limiting device can be better shared through the obliquely-distributed pulling ropes, overload of a single component is avoided, and the service life is prolonged.

The utility model discloses a self-damping adjustment phase-to-phase spacing device capable of suppressing galloping, which relates to the field of high-voltage overhead transmission line safety, and comprises an adjusting assembly and a moving assembly, the adjusting assembly comprises two longitudinally arranged damping cavities, each damping cavity comprises a first cavity, a second cavity located below the first cavity and communicated with the first cavity, and a third cavity located on the peripheries of the first cavity and the second cavity and communicated with the second cavity, damping media are arranged in the first cavity and the second cavity, and the second cavities in the two damping cavities are close to each other; the moving assembly comprises a spacer capable of axially moving along the damping cavity, one end of the spacer penetrates through the first cavity and enters the second cavity, and the other end of the spacer extends out of the first cavity to be used for being connected with a wire of the high-voltage transmission line. According to the invention, corresponding damping force can be generated according to the displacement of the wire, and a more stable damping effect and a longer service life are provided.