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523results about "Maintaining distance between parallel conductors" patented technology

Overhead power cable spacer device

The present invention describes an overhead cable spacer device for coupling and keeping them separate from each other. The spacer device has a spacer body and at least four spacer arms coupled to the spacer body. Each of said at least four spacer arms includes an entering portion to receive the overhead cables and at least two retaining elements. One of said at least four spacer arms comprises a hole in its upper portion in which a mechanical rod is coupled in order for the spacer device to be installed from the ground, and a retaining element allows the coupling of the overhead cable, by means of pressure, and the other retaining element prevents the uncoupling of the overhead cable.
Owner:ATP TRADING S AS

Anti-icing and de-icing device, spacer and system based on sudden change of center of gravity, and Anti-galloping system

The disclosure relates to the technical field of anti-icing and de-icing of an overhead transmission line or a railway contact system, and provides a mechanical anti-icing and de-icing device fixedly installed on the overhead transmission line or the railway contact system. The device comprises a base, an electric driving assembly, a weight block and a potential energy module comprising an elastic element. The electric driving assembly comprises a clutch mechanism and a motor. When the clutch mechanism is in an engaging state, the electric driving assembly drives the weight block to generate displacement relative to the base, and when the clutch mechanism is in a separation state, the electric driving assembly cuts off driving to the weight block. When the clutch mechanism is engaged, the potential energy module is used for accumulating potential energy when the weight block generates displacement relative to the base; and when the clutch mechanism is separated, a driving force of the electric driving assembly on the weight block is cut off, the potential energy contained in the potential energy module is rapidly released, so that the weight block moves quickly, thus causing the whole gravity center of the device to suddenly change, forming vibration to be transmitted to the overhead transmission line, so that the icing is removed.
Owner:LI HEQUAN +1

Spacer for separating adjacent bare conductors

The invention discloses a spacer for separating adjacent bare conductors, and belongs to the technical field of spacer installation, the spacer comprises a spacer and locking mechanisms installed at two ends of the spacer and used for respectively locking the adjacent bare conductors, each locking mechanism comprises a fixed clamp and a movable clamp, a lead-in port is formed between the fixed clamp and the movable clamp, and the lead-in port is communicated with the fixed clamp and the movable clamp. The top of the fixed clamp is a base, the movable clamp is movably arranged on one side of the base, the movable clamp has a rotating stroke and a horizontal sliding stroke relative to the fixed clamp, and the movable clamp has a horizontal state perpendicular to the fixed clamp and a vertical state aligned with the fixed clamp in the rotating stroke; a screw rod is rotationally arranged on the fixed clamp, a screw hole is formed in the movable clamp, when the movable clamp rotates downwards from a horizontal state to a vertical state, the screw hole is in butt joint with the screw rod, and the screw rod is driven by a driving mechanism to rotate so as to be in threaded fit with the screw hole; and the movable clamp performs a horizontal sliding stroke so as to be close to the fixed clamp to clamp the bare conductor.
Owner:HEFEI POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER

Composite phase-to-phase spacer adaptively assembled and disassembled by unmanned aerial vehicle and assembling and disassembling platform thereof

The composite phase-to-phase spacer comprises the unmanned aerial vehicle and a balance rope ladder installed at the bottom of the unmanned aerial vehicle, the bottom end of the balance rope ladder is connected with a hoisting platform and a spacer assembly connected with the hoisting platform, and the hoisting platform comprises a connecting rod, a connecting rod, a connecting rod, a connecting rod, a connecting rod and a connecting rod; an auxiliary platform housing; an electric control assembly; the spacer assembly comprises a spacer rod; a magnetic structure; a wire locking hook; and a telescopic assembly. Compared with a traditional spacer rod installation mode, a worker needs to directly climb a tower or conduct wiring in traditional high-altitude live-line work, and high safety risks exist, the unmanned aerial vehicle is used for live-line installation of the spacer rod, the hoisting platform and the spacer assembly which are connected through a flexible structure are adopted, and the safety risk is high. The effect of accurate positioning is achieved according to the positioning auxiliary frame while good wind resistance and insulation effect are achieved.
Owner:YUNNAN ELECTRIC POWER TESTING & RES INST (GRP) CO LTD

Power transmission line double-split sub-line spacer

The invention discloses a double-split sub-line spacer of a power transmission line. The double-split sub-line spacer comprises a plate-shaped spacer body of which the two ends are provided with opposite hooks on the same side; the movable clamping block is bound on the plate-shaped spacer body in a multi-guide manner and performs relative / opposite movement to realize clamping / loosening by taking the length direction of the plate-shaped spacer body as a first direction; the push rod is connected with the movable clamping block and pushes / pulls the movable clamping block to move; a nut lifting block is hinged to the push rod and is restrained by rotation prevention; the bolt is in a second direction perpendicular to the length direction of the plate-shaped spacer body and penetrates through the plate-shaped spacer body, and the bolt is in threaded connection with a nut lifting block. Two-way jacking can be achieved only through one bolt, the structure is simple, operation is easy, and high-altitude unmanned hot-line work installation can be achieved if the device is matched with a corresponding installation tool.
Owner:河南诚尔泽电力科技有限公司

Spacer convenient to install

The utility model discloses a spacer rod convenient to install, which comprises a main fixing frame and a reinforcing assembly, the main fixing frame is an integrally formed stainless steel structure, the reinforcing assembly is arranged on the surface of the main fixing frame, and the reinforcing assembly comprises an arc-shaped fixing piece, an auxiliary fixing frame, a supporting rod, a fixing disc, a reinforcing ring and a stainless steel woven mesh. The arc-shaped fixing piece is arranged on the inner side surface of the main fixing frame, the auxiliary fixing frame is installed at the rear end of the outer side surface of the arc-shaped fixing piece, the auxiliary fixing frame and the main fixing frame are consistent in size and shape, a supporting rod is arranged on the inner side surface of the arc-shaped fixing piece, and a fixing disc is installed at the inner end of the supporting rod; and reinforcing rings are arranged on the surfaces of the supporting rods. According to the spacer rod convenient to install, the spacer rod can be conveniently and rapidly installed through the installation assembly, installation is stable and not prone to loosening, the spacer rod has higher supporting performance through the reinforcing assembly, the pressure resistance is improved, and the spacer rod is not prone to being damaged due to compression.
Owner:GUIZHOU ELECTRIC POWER DESIGN INST

A spacer rod for laying power cables

The present invention provides a spacer bar for erecting power cables, comprising a fixed ring, a guide hole is provided through the fixed ring horizontally; the side of the movable ring is movably fitted to the fixed ring, a plurality of movable columns are provided on the side of the movable ring, and a free end of each movable column is provided with an anti-slip disk; a plurality of spacer arms are evenly provided on the outer side of the fixed ring in a divergent shape; a fixed buckle is provided at the free end of each spacer arm, and a C-shaped first clamping portion is provided on the inner wall of the fixed buckle; a sliding member is movably connected to the spacer arm; the outer end of each sliding member has a movable buckle, the movable buckle is C-shaped, the opening direction of the movable buckle is opposite to the opening direction of the fixed buckle, and a C-shaped second clamping portion is provided on the inner wall of the movable buckle; one end of the articulated arm is hinged to the movable ring, and the other end is hinged to the inner end of the sliding member; an adjustment mechanism is used to adjust the angle of the movable ring. The present invention provides a new spacer bar for erecting power cables.
Owner:HUBEI HENGDONG POWER EQUIP CO LTD

Wire arranging vibration device for wire spacer

The invention, which belongs to the technical field of spacer wire-following vibration detection, provides a wire spacer wire-following vibration device comprising a base, a driving mechanism and a wire vibration mechanism. The transmission block is slidably installed on the outer wall of the installation shaft along the axis of the installation shaft and located on the left side of the installation ring, the vibration wire frame is located on the outer wall of the installation ring, the vibration wire block is installed in the vibration wire frame and slides in the radial direction of the installation ring, and the side, away from the installation shaft, of the transmission block is an inclined face gradually close to the installation ring from left to right. Guide rods of which the axes point to the center of the mounting ring are fixedly mounted on the outer walls, close to and away from the mounting shaft, of the wire vibrating blocks; and one guide rod slidably penetrates through the mounting ring and then abuts against the inclined surface of the transmission block. The wire vibration mechanism can randomly perform wire vibration of different degrees on different wires, the swing state of the wires in the natural environment when the wires are subjected to strong wind is more accurately simulated, and the accuracy of the wire vibration device on the vibration detection of the spacer is improved.
Owner:NANJING LINE ACCESSORIES MFG +2

Anti-galloping damping spacer for high-voltage cable

The invention relates to the field of spacers, in particular to an anti-galloping damping spacer for a high-voltage cable, which comprises a main frame, a plurality of rocker arms, a plurality of wire holding arms, a plurality of cable clamps, a plurality of adjusting mechanisms and a plurality of anti-galloping mechanisms, each anti-galloping mechanism comprises a center plate, a moving assembly, two side plates, two first magnets, two second magnets, two transmission assemblies and two traction assemblies, the first magnets and the second magnets are arranged on the two sides of the rocker arms correspondingly, and the first magnets and the second magnets repel each other to prevent the rocker arms from galloping. By arranging the first magnet and the second magnet, resistance can be formed between the first magnet and the second magnet, acting force generated by galloping of the power transmission line can be counteracted through the resistance, the situation of large-amplitude galloping of the power transmission line is reduced, effective buffering of the spacer on a cable is achieved, the damping effect of the spacer on the power transmission line is improved, and the service life of the spacer is prolonged. And the influence of line galloping on an electric power system is reduced.
Owner:HAIXI POWER SUPPLY +1

Arrangement method of phase-to-phase spacers for preventing and controlling galloping of ultra-high voltage transmission line

The invention discloses a method for arranging phase-to-phase spacers for galloping prevention and control of an ultra-high voltage transmission line, and the method comprises the steps: building a three-dimensional dynamic model of a transmission line tower line system, which comprises tower and lead parameters, introducing environmental factors such as wind speed, temperature, icing thickness and the like, carrying out the multi-working-condition galloping simulation, and obtaining the displacement response and tension distribution of a lead; analyzing a conductor galloping order based on a simulation result, and determining an amplitude maximum value point, a vibration mode node and an anti-node as spacer priority arrangement points; establishing a nonlinear relation model of the spacing rod arrangement number and the galloping suppression effect, and determining the optimal arrangement number by combining the span and load characteristics; iteratively optimizing an arrangement scheme based on real-time weather and line data by utilizing a genetic algorithm; the reliability is verified through the operation monitoring system, and distributed optical fiber sensing monitoring, unmanned aerial vehicle inspection and fault reconstruction strategies are included. According to the method, the problems of inaccurate arrangement position and uneconomical quantity of a traditional method are solved, the balance between galloping suppression and economical efficiency is realized, and the method is suitable for the ultra-high voltage transmission line of 1000kV and above.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +2

Power transmission line anti-galloping phase-to-phase spacing device

The invention discloses a power transmission line anti-galloping phase-to-phase spacing device, which belongs to the technical field of power transmission lines, and is characterized in that two connecting plates, two connectors, two cross universal joints and two rod type composite insulators are arranged between two adjacent six-split damping spacers; each connecting plate is connected with a cross universal joint through a connector, and the cross universal joints are further connected with the ends of the rod type composite insulators. A hydraulic shock absorber is arranged in the middle of the two rod type composite insulators; a damping ball is arranged in the center of a triangle formed by the rod type composite insulators; an outer viscous damper, a first connecting rod and a second connecting rod are arranged between the hydraulic shock absorber and the damping ball; the first connecting rod and the second connecting rod are connected to the two sides of the outer viscous damper respectively, the damping ball is connected with the first connecting rod, and the hydraulic shock absorber is connected with the second connecting rod through the connecting ferrule. The problems that in the prior art, under the long-time line use condition, wires are damaged, the safety of a power transmission line is affected, and cost is high are solved.
Owner:NORTHEAST DIANLI UNIVERSITY

Spacer

The invention provides a spacer. The spacer comprises: a spacer body; one end of the insulator is connected with the main body structure, and the insulator comprises a core rod; the adjusting assembly comprises a cross-shaped connecting part and an auxiliary connecting part, the cross-shaped connecting part comprises a first connecting part and a second connecting part which are connected, the first end of the auxiliary connecting part is connected with the main body structure, and the first end of the first connecting part is movably connected to the second end of the auxiliary connecting part in the length extension direction of the first connecting part; the second end of the first connecting part is connected with the insulator; and the shielding ring assembly comprises a mounting frame and a ring body, the mounting frame is connected with the inner peripheral wall of the ring body, and the second connecting part is connected with the mounting frame. According to the technical scheme, the spacer can solve the problems that the effect is poor and stable operation of a line is difficult to meet when inter-phase discharging is caused by the fact that the inter-phase distance is shortened in the mode of the prior art.
Owner:JIANGDONG FITTINGS EQUIP +1

Telescopic damping galloping suppression device and system

The invention provides a telescopic damping galloping suppression device and system.The device is hung between two adjacent wires of an overhead transmission line and comprises a conductor outer cylinder, an elastic telescopic part, a magnetic piston and a pull rod, and the elastic telescopic part, the magnetic piston and the pull rod are arranged in the conductor outer cylinder and connected in sequence; the conductor outer cylinder is connected with a lead; the pull rod penetrates out of the other end of the conductor outer cylinder, is connected with the other wire, and is used for driving the magnetic piston to move when a galloping displacement difference exists between two adjacent wires; the conductor outer cylinder cuts a magnetic induction line of the moving magnetic piston to realize a hysteresis damping function and generate heat and consume energy so as to restrain conductor galloping; according to the device, the magnetic piston telescopically moves in the conductor outer cylinder, electromagnetic eddy current is generated on the conductor outer cylinder, and displacement limitation of hysteresis damping on the magnetic piston is achieved; meanwhile, the electromagnetic eddy current can effectively heat the air, reduce the icing thickness of the overhead transmission line, form forward feedback, and reduce the waving risk of the overhead transmission line.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD

Four-split spacer mounting robot

The invention discloses a four-split spacer rod installation robot which comprises an unmanned aerial vehicle, a fixing frame, an installation keel, a grabbing mechanism, a locking keel and a locking mechanism, the unmanned aerial vehicle is fixedly connected with the fixing frame, the installation keel is rotationally connected to the fixing frame, and the grabbing mechanism comprises a rod grabbing assembly and a wire grabbing assembly. The wire grabbing assembly is arranged on the installation keel in a sliding mode and can move in the axial direction of the installation keel, the rod grabbing assembly is used for grabbing a single spacer and fixedly installed on the installation keel, the locking keel is arranged on one side of the fixing frame, a locking mechanism is arranged on the locking keel in a sliding mode, and the locking mechanism is used for locking all lock catches of the spacer. The overall quality in the process from online to installation is greatly compressed through the grabbing mechanism, the fixing frame and the locking mechanism on the installation keel, then transportation in mountainous regions or mountainous regions is facilitated, the overall online convenience is improved through an unmanned aerial vehicle online mode, online can be achieved at any position, and the overall maneuverability is improved.
Owner:JIANGXI DONGRUI INTELLIGENT EQUIP TECH CO LTD +2

Compact line six-split anti-galloping spacer

The utility model belongs to the technical field of six-split anti-galloping spacers, and especially relates to a compact line six-split anti-galloping spacer comprising a disc, the front end of the disc is rotatably connected with a first bevel gear, the front end of the disc is provided with six clamping mechanisms, and the six clamping mechanisms are distributed around the circumference of the first bevel gear in an array manner. The clamping mechanism comprises a rectangular box, a first threaded rod is rotationally connected into the rectangular box, the first threaded rod is sleeved with a sliding block in a threaded mode, a sliding opening is formed in the side face of the rectangular box, the sliding block penetrates through the sliding opening, and a hook-shaped block is fixedly connected to the upper end of the rectangular box. According to the device, six power transmission wires can be synchronously clamped, the clamping mechanisms do not need to be operated in sequence, the device is rapid and convenient, the efficiency is improved, the rotating rod can be fixed, and the situation that the power transmission wires are clamped loosely by the clamping mechanisms is prevented.
Owner:SHANDONG LUNENG GUANGDA ELECTRIC POWER EQUIP

Multi-stage vibration reduction and energy consumption spacer device for four-bundle conductors of power transmission line

The invention belongs to the technical field of power transmission line safety protection, and particularly relates to a power transmission line four-bundle conductor multi-stage vibration reduction and energy consumption spacer device. Comprising a frame, spacers, a first-stage energy dissipation assembly and a second-stage energy dissipation assembly. The spacer is arranged on the frame, one end of the spacer is arranged inside the frame, and the other end of the spacer is arranged outside the frame; the spacer can swing relative to the frame; the ends, arranged outside the frame, of the spacer rods are used for fixing wires, the ends, arranged inside the frame, of the spacer rods are connected with first-stage energy dissipation assemblies, and all the first-stage energy dissipation assemblies are connected with second-stage energy dissipation assemblies. The spacer device solves the technical problems that a spacer device in the prior art is easy to loosen when fixing a wire, the wire is easy to wear, the energy consumption efficiency is low and the structure is complex.
Owner:POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD

Connecting structure of spacer and wire

The invention relates to a connecting structure of a spacer and a wire in the technical field of wire installation, which comprises a wire clamp ring composed of a fixed arc section and a movable arc section, the corresponding ends of the fixed arc section and the movable arc section are rotatably connected, and the outer walls of the other corresponding ends of the fixed arc section and the movable arc section are connected with supporting arm rods. Elastic insulating liners are fixed on the inner arc surfaces of the fixed arc section and the movable arc section; the inner ring surface of the wire clamp ring is annularly provided with a plurality of grooves, each groove is internally provided with an insulating ball, a spring is arranged between each insulating ball and the bottom of the corresponding groove, the elastic insulating lining is provided with an exposed hole corresponding to the groove, and the hole wall of the inner end of the exposed hole is in an arc-shaped closing-up shape; wherein the rod wall of one supporting arm rod is fixedly provided with a clamping nail and one end of a binding belt, and the other end of the binding belt is provided with a clamping hole which can be connected with the clamping nail in a sleeved mode after the binding belt bypasses the other supporting arm rod. The connecting structure of the spacer and the wire can be pre-installed near a wire tower, and the installation efficiency and safety are improved.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER

Anti-galloping spacer

The invention relates to the technical field of overhead transmission lines, in particular to an anti-galloping spacer which comprises a body frame, at least two supporting rod structures are evenly and annularly arranged on the peripheral side of the body frame at intervals, elastic steel plate sets correspondingly perpendicular to the supporting rod structures are arranged at the outer ends of the supporting rod structures, and wire clamp structures are arranged at the two ends of each elastic steel plate set. The middle of one side of the elastic steel plate A is arranged at the outer end of the supporting rod structure, bending parts are arranged at the two ends of one plate face of the elastic steel plate A, an elastic steel plate B is arranged between the two bending parts, the center line of the elastic steel plate B is parallel to the center line of the elastic steel plate A at intervals, and the plate face of the elastic steel plate B is correspondingly perpendicular to the plate face of the elastic steel plate A; wire clamp structures are arranged at the two end parts of the elastic steel plate B; according to the invention, due to the arrangement of the elastic steel plate group, the elastic steel plate group can be synchronously bent along with the bending of the sub-conductor, so that the sub-conductor at the wire clamp structure cannot be bent, and the problem that the sub-conductor is repeatedly bent on the wire clamp structure under the action of wind power is effectively solved.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER

Power transmission line hardware fitting robot equipment

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.
Owner:SHANGHAI PLATFORM FOR SMART MFG CO LTD

Power transmission line spacer

The invention relates to the technical field of power equipment, and discloses a power transmission line spacer which comprises a phase-to-phase spacer body and fixing assemblies arranged at the two ends of the phase-to-phase spacer body, each fixing assembly comprises a guide rail and two oppositely-arranged clamping plates, and connecting bases are fixedly arranged at the two ends of the phase-to-phase spacer body; the guide rail is fixedly connected with the connecting base, the two clamping plates are slidably connected with the guide rail, and the side, away from the connecting base, of the guide rail is provided with a transmission assembly and a driving assembly. Through the arrangement of the driving assembly and the transmission assembly, after a connecting rope is cut off, a first spring drives a sliding plate to move, through transmission of a straight gear, a first bevel gear, a second bevel gear and a double-thread screw, two clamping plates move relatively to clamp a cable, the clamping plates are prevented from loosening through the self-locking characteristic of the double-thread screw, power assemblies such as a storage battery and a motor are not needed, and the device is convenient to use. The manufacturing cost of the spacer is remarkably reduced, and potential safety hazards such as explosion caused by thermal runaway of the storage battery are avoided.
Owner:LILING DONGFANG ELECTROCERAMIC CO LTD

Variable spacer capable of live working

The invention discloses a variable spacer capable of live working, and the spacer comprises an insulating ring which is provided with a plurality of connecting grooves in a circular array; the multiple insulating rods are arranged at the positions of the connecting grooves, connecting units are arranged on the insulating rods, and clamping units are arranged at the ends, away from the connecting units, of the insulating rings; the auxiliary supporting rods are arranged between every two adjacent insulating rods, the insulating rings and the connecting units on the insulating rods are matched with the clamping units and the auxiliary supporting rods at the same time, rapid installation of the insulating rods and the clamping units on the insulating rods and rapid disassembly and replacement of later maintenance can be facilitated, meanwhile, the insulating rods are designed in a detachable mode, and the service life of the insulating rods is prolonged. The insulating rods with different lengths and models can be selected according to the installation conditions to adapt to different installation conditions, meanwhile, the insulating rods with different numbers can be installed according to the actual number of lines, so that the device adapts to more installation conditions, and a stable triangular supporting structure can be achieved through the auxiliary supporting rods.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD BOZHOU POWER SUPPLY CO

Electric power fitting fixing frame

The invention discloses an electric power fitting fixing frame, and belongs to the field of electric power fittings, the electric power fitting fixing frame comprises two sets of main frames distributed in parallel, the outer surfaces of the two sets of main frames are fixedly connected with movable rods, the movable rods are rotatably connected with first supporting rods, and the upper and lower sides of the outer surfaces of the first supporting rods are rotatably contacted with the outer surfaces of the main frames; a buffering assembly is arranged between the two sets of main frames, the buffering assembly comprises a movable sleeve fixedly connected with the outer surface of the first supporting rod, and guide grooves are formed in the outer surfaces of the main frames. Through the arrangement of the buffer assembly, the impact force borne by the first supporting rod can be effectively buffered and absorbed through the shape change of the bag body, so that the impact borne by the first supporting rod can be effectively reduced, the vibration amplitude of split conductors can be effectively reduced, the probability of mutual whipping between the conductors can be reduced, and the service life of the split conductors can be prolonged. And meanwhile, the installation stability of the wire can be effectively improved.
Owner:SHANDONG TERUI POWER EQUIP CO LTD

Silicone rubber composite material, silicone rubber-based high-pressure-resistant high-damping composite phase-to-phase spacer and preparation method thereof

The invention discloses a silicone rubber composite material, a silicone rubber-based high-voltage-resistant high-damping composite phase-to-phase spacer and a preparation method thereof, and belongs to the technical field of power transmission line galloping prevention. The composite phase-to-phase spacer is composed of a high-damping silicone rubber composite material and a structural component. The silicone rubber composite material comprises 100 parts of methyl vinyl silicone rubber, 20-40 parts of phenyl silicone rubber, 30-60 parts of fumed silica, 15-40 parts of organosilicon elastomer micro powder, 20-50 parts of modified sericite, 5-15 parts of carbon nanotubes, 10-30 parts of high rubber powder, 10-30 parts of calcined kaolin, 2-4 parts of diphenyl silanediol, 3-8 parts of phenyl silicone oil and 1.5-3 parts of a peroxide vulcanizing agent. The spacer has high damping performance (tan [delta] gt; 0.45, effective damping temperature range gt; -120 DEG C), high pressure (gt; 35 kV / mm) and strong anti-galloping capability, and the galloping phenomenon of the power transmission line under the action of deicing and wind load can be effectively inhibited.
Owner:GUIZHOU POWER GRID CO LTD

Spacer mounting robot with wire adjusting mechanism and control method thereof

The invention discloses a spacer installation robot with a wire adjusting mechanism and a control method of the spacer installation robot. The robot comprises a base, a walking arm frame, a conveying mechanism, an operation table and an operation mechanism, and is characterized in that the operation mechanism is provided with a wire adjusting mechanism, the wire adjusting mechanism comprises a supporting structure, the supporting structure is slidably connected with two catch wheel mechanisms, and the two catch wheel mechanisms are used for abutting against two wires respectively and are oppositely arranged; the catch wheel mechanism slides to drive the two wires to get close to or away from each other. The supporting structure is further provided with a driving assembly used for driving the catch wheel mechanism to slide. The method comprises the following steps: lifting an operation table to a certain height; identifying a gap between the walking arm support and the wire through an on-line gap identification module; enabling the robot to land on the power transmission conductor; driving the spacer to reach a set position through a conveying mechanism; the gap is recognized through the spacer gap recognition module, the gap is adjusted through the wire adjusting mechanism, and installation is completed; according to the invention, through the arrangement of the wire adjusting structure and the spacer gap module, the robot can adjust the distance between wires before the spacer is installed, so that the installation of the spacer is smoother; meanwhile, through the arrangement of the wire feeding gap module, it is ensured that the walking arm frame can be erected on the wire better and more smoothly, and safety is improved.
Owner:STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED +2

Electric power fitting liquid forging spacer

The utility model discloses an electric power fitting liquid forging spacer comprising a main frame body, the side wall of the main frame body is provided with a plurality of installation grooves, the plurality of installation grooves are internally and telescopically connected with connecting arms in a sliding manner, and the connecting arms are installed in the corresponding installation grooves through bolts. A telescopic groove is formed in the side wall of the end, located on the outer side of the main frame body, of the connecting arm, two push plates are symmetrically and fixedly connected to the end of the connecting arm, and a spacer ring assembly abutting against the two push plates is slidably connected into the telescopic groove. According to the utility model, the structural design is reasonable, the length of the connecting arm extending out of the main frame body can be adjusted according to the actual position of a split conductor, different use requirements are met, the split conductor can be stably fixed in the first conductor clamping jaw and the second conductor clamping jaw, and the L-shaped plate is stably locked in the telescopic groove, so that the service life of the split conductor is prolonged. And meanwhile, after being used, the electric power fitting liquid die forging spacer can be conveniently detached to be separated from a split conductor.
Owner:烟台理工学院

Spacer installation auxiliary tool

The invention relates to the technical field of spacer installation, in particular to a spacer installation auxiliary tool which comprises a traction rod, and the two ends of the traction rod are each provided with a hook piece capable of hooking and pulling a split conductor. The traction rod comprises a pipe fitting, the positions, close to the two ends, of an inner cavity of the pipe fitting are each provided with a neck expanding section, a protection spring is embedded into the outer section of each neck expanding section, a threaded sleeve capable of moving in the axial direction of the neck expanding section is embedded into the inner section of each neck expanding section, and rib and groove structures matched with each other are arranged between the inner wall of the inner section of each neck expanding section and a sleeve body of the threaded sleeve. The outer end face of the threaded sleeve abuts against the inner end face of the protection spring. According to the invention, when the acting force between the hook member and the split guide reaches a certain value, the threaded sleeve extrudes the protection spring to move axially, so that the rib and groove structures are separated from each other, and the threaded sleeve does not rotate along with the rotation of the pipe fitting, so that the stress of the split conductor is not increased, and the split conductor can be effectively prevented from being too large in stress. And the position for fixing the split conductor is damaged.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER

High-strength forged four-split spacer for overhead line

The invention provides a high-strength forged four-split spacer for an overhead line, and the spacer comprises a fixed structure which comprises a rotating handle, the middle of the rotating handle is provided with a rotating shaft, the two ends of the rotating shaft are provided with transmission lead screws, the transmission lead screws are internally provided with bolt holes, the outer walls of the transmission lead screws are provided with lifting blocks, and the lifting blocks are provided with bolts. The transmission lead screw is matched with a lifting block, a plug pin hole is formed in the lifting block, and a first positioning groove is formed in the outer wall of the lifting block. The circuit clamping device is reasonable in design, the transmission lead screw is matched with the lifting block support, the transmission lead screw with the self-locking function is adopted, the transmission lead screw rotates to drive the stretching rod to rotate, the stretching rod pulls the circuit clamping mechanism to move inwards, the inner wall of the circuit clamping mechanism is tightly attached to the outer wall of a circuit, and therefore the circuit clamping device is convenient to use. The problem that the distance between lines is too close due to looseness between the lines and the spacer structure is avoided, and the number of times of maintenance can be reduced.
Owner:ZATE ELECTRICAL POWER TECH CO LTD

Insulator wire positioning device

The invention discloses an insulator wire positioning device, and relates to the field of power devices. The prior art cannot effectively cope with wire shaking, unstable positioning and non-uniform insulator stress, so that wire installation is difficult, abrasion is aggravated, and potential safety hazards are increased. The cable winding device comprises an insulator, a cable installed at the top end of the insulator, a clamp clamped on the side wall of the insulator, a pressing seat assembly, a winding module and a guiding module. According to the technical scheme, wire shaking, abrasion and stress concentration are remarkably reduced, and the safety and reliability of a power transmission line are comprehensively improved. The pressing seat assembly is stably installed at the top end of the insulator by pressing the cable, and the influence of external factors on the cable is prevented. The winding module is matched with the pressing base assembly to form a ratchet wheel structure rotating in one direction, the cable is wound on the side wall of the clamp, lateral displacement of the cable is limited, and deviation caused by external force such as wind power is reduced. And the guide module controls the shaking of the cable by adjusting pressing holding at different heights, so that the stability of wire installation is improved.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD ZHOUSHAN POWER SUPPLY CO

Auxiliary equipment for installation of long-distance power transmission lines

The present invention provides an auxiliary device for installing long-distance power transmission lines, which relates to the technical field of electric power construction equipment. The device body has a first end and a second end in the length direction of the conductor, and the first end and the second end are both provided with end spacers. A plurality of middle spacers are stacked in sequence between the two end spacers. The connecting arms of the end spacers face the conductor, and the first end and the second end are both provided with a preset number of hoisting parts. The hoisting parts are provided with roller assemblies, which are used to move the device body along the length direction of the conductor. The conductor is connected to the end spacers by the hoisting parts, and the hoisting parts are located at the free ends of the connecting arms of the end spacers, so that the hoisting parts pull the relative distance of all the conductors closer to the installation distance of the free ends of the connecting arms. During installation, only a small auxiliary force needs to be manually applied to pull the conductor into the conductor receiving ring at the free end of the connecting arm, thereby reducing the difficulty of installation and improving construction efficiency.
Owner:TONGHUA POWER SUPPLY COMPANY STATE GRID JILIN ELECTRIC POWER