389results about "Maintaining distance between parallel conductors" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.

The invention discloses a power distribution network overhead line spacer, and relates to the technical field of spacers. A reinforcing frame is fixed in the supporting ring, a first annular groove is formed in the circumferential face of the supporting ring, and evenly-distributed through holes are formed in the front end and the rear end of the interior of the first annular groove; the connecting assembly comprises connecting blocks and connecting frames, the evenly-distributed connecting blocks are slidably connected into the first annular groove, the two corresponding connecting frames are fixed to the front side and the rear side of the first annular groove, and the two connecting frames are attached to the front side and the rear side of the supporting ring correspondingly; a length adjusting assembly is installed on the side face, located outside the first annular groove, of the connecting block, a supporting assembly is installed on the side face of the length adjusting assembly, and a wiring assembly is installed on the side face of the supporting assembly. And meanwhile, installation can be rapidly conducted according to requirements, and different numbers of guides can be conveniently adapted.

The invention discloses a multi-split spacer with an adjustable split number, which comprises an inner gear ring, a plurality of positioning pieces which are arranged in an annular array are meshed on the inner gear ring, a rectangular shell sleeves the end part of each positioning piece, a positioning ring for positioning the rectangular shell is arranged in the inner gear ring, and the rectangular shell sleeves the inner gear ring. A wind direction monitoring assembly is installed in the positioning ring, a connecting shaft is rotatably connected to the end of the rectangular shell, a spacer is fixedly connected to the end of the connecting shaft, and a wire clamp is rotatably installed at the end of the spacer. The invention solves the problems of difficulty in adapting to complex power transmission line layout and changeable natural environment, easiness in causing line faults and increase in maintenance cost caused by fixed split number and incapability of automatically adjusting according to the wind direction of the traditional spacer.

The strain cable clamp comprises a positioning seat, a limiting seat and a riveting rope, the positioning seat is provided with a limiting groove, the upper wall of the limiting groove is a penetrating opening, the limiting groove is gradually expanded from bottom to top, the limiting seat is composed of two limiting blocks which are matched with each other, the shape of the limiting blocks is matched with the shape of the limiting groove, and the riveting rope is arranged in the limiting groove. A first clamping groove and a second clamping groove are formed in the opposite side walls of the limiting block respectively, a wire groove is defined by the first clamping groove and the second clamping groove, and the riveting rope is arranged at the upper end of the positioning base. A cable penetrates between the first clamping groove and the second clamping groove, then the limiting seat is clamped in the limiting groove of the positioning seat, then the riveting rope is pulled, the two limiting blocks abut against each other under the action of the structure that the diameter of the limiting groove is expanded from bottom to top, the diameter of the wire groove is reduced till the cable is clamped, and then the riveting rope is fixed to a rod body or a wire harness. Disassembly and maintenance are convenient.

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 invention discloses a high-toughness thin-wall aluminum alloy electric power fitting and a casting mold thereof, and relates to the technical field of aluminum alloy preparation. The wall thickness of the aluminum alloy electric power fitting is 2.5-4 mm. The vacuum thin-wall die casting preparation method comprises the steps that a die is closed; raw materials are weighed according to the mass percent of elements in an aluminum alloy material and smelted, aluminum alloy liquid is obtained, and the aluminum alloy material comprises, by weight percent, 4%-6% of Si, 0.4%-0.65% of Mn, 0.05%-0.2% of Er, 0.1%-0.25% of Mg, 0.05%-0.2% of Zr, 0.02% of Sr, 0.15%-0.3% of Fe, 0.3%-0.55% of TiB2, no more than 0.2% of other impurity elements and the balance Al; aluminum alloy liquid is fed, and the pouring temperature is kept at 680-750 DEG C; starting a vacuum pump to exhaust the cavity of the mold, and pouring and filling the aluminum alloy liquid by adopting injection; and after pressure maintaining and cooling, opening the mold, discharging, and removing a casting head. Through material-process-structure collaborative innovation, the prepared aluminum alloy electric power fitting has high strength and toughness, and the requirements of power transmission and transformation lines for high mechanical performance and light weight of the electric power fitting are met.

The present invention relates to the technical field of multi-split spacer dampers, and discloses a multi-split spacer damper convenient for high-altitude installation, which includes an outer ring and an inner ring that rotate relative to each other. A plurality of spacer clamping bodies are arranged on the outer ring. Any one of the spacer clamping bodies includes a fixed part and a movable part. The fixed part is fixed on a connecting plate, and the movable part is movably connected to the fixed part; a plurality of triggering devices corresponding to the spacer clamping bodies one by one are fixedly arranged on the inner ring. A driving device is also arranged on the inner side of the outer ring, and circular teeth are arranged on the inner side of the inner ring. The driving device drives the inner ring to rotate relative to the outer ring. When the inner ring rotates, it drives the triggering device to move relative to the spacer clamping body, so that the movable part moves to clamp the cable. Installers only need to rotate the inner and outer rings to complete the simultaneous fixation of multiple cables, without having to tighten bolts one by one like traditional spacer dampers, greatly improving the installation efficiency and reducing the installation difficulty.

A spacer for a high-voltage power transmission line relates to the technical field of high-voltage power transmission line protection fittings and comprises an insulation frame of a polygonal structure, and clamping jaws used for being connected with cables are installed at the corner ends of the insulation frame. Hinge seats are arranged at corner ends and side line midpoints in the insulating frame, and at least one hinge seat is provided with an energy consumption device capable of adjusting prestress; the self-adaptability is high, the prestress of the energy consumption device can be automatically adjusted at different positions according to actual working conditions, more accurate energy dissipation control is provided, and the effectiveness of galloping suppression of the high-voltage transmission line is improved; by optimizing the working characteristics of the energy consumption device, mechanical wear and fatigue damage caused by waving are reduced, the service life of the high-voltage transmission line and related accessories is prolonged, and the maintenance cost is reduced; and components such as a limiting stud and a locking nut are adopted, so that the maximum deflection angle of the energy consumption device is effectively limited.

The utility model relates to a novel pre-twisted phase-to-phase spacer fitting. Relates to electric power fittings. Comprising a spacer chuck and a pair of spacer tile pads which are symmetrically arranged, the pair of spacer tile pads are connected in the spacer chuck, and the interior of each spacer tile pad is used for allowing a wire to penetrate through; the spacer also comprises a pre-twisted wire which is wound on the spacer chuck and the lead; the spacer chuck comprises a spacer chuck body and a spacer chuck cover plate, the spacer chuck body and the spacer chuck cover plate are provided with symmetrically arranged C-shaped holes, and the spacer tile pads are C-shaped and are arranged in the C-shaped holes in a one-to-one correspondence manner; the spacer tile pad comprises a rubber body, two parallel frameworks are arranged in the rubber body, and the frameworks are in inferior arc shapes. Strength is improved, service life is prolonged, and stable operation of a power transmission line is guaranteed.

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 relates to the technical field of power transmission equipment, and discloses a zero-carbon stable conduction type power transmission phase-to-phase spacer with light storage and interaction, which comprises a fixed rod, placing grooves are formed in two sides of the surface of the fixed rod, and solar mechanisms are mounted in the placing grooves. Extension rods are rotationally connected to the left side and the right side of the fixing rod correspondingly, and telescopic rods are slidably connected into the extension rods. According to the zero-carbon stable conduction type power transmission phase-to-phase spacer with the light storage and interaction functions, through the arrangement of the solar mechanism, when the spacer is used, photovoltaic panels are installed on the two sides of the surface of a fixing rod, the photovoltaic panels can absorb external solar energy and convert the external solar energy into electric energy to be stored in a storage battery, and the photovoltaic panels are matched with an inverter on one side; and the electric energy stored in the storage battery is converted into the electric energy which can be used by the equipment to continuously supply power to the equipment, so that the effect of saving power resource consumption is achieved, the self-sufficiency of the power resource is realized, and the dependence on the power supply of the traditional power grid is obviously reduced.

The invention discloses a power transmission line rocker arm type double-damping flexible duplex spacer which comprises two opening wire clamps, a vibration isolator and a damping support, the damping support comprises a first connecting rod, a second connecting rod and a spring damper, and one end of the first connecting rod is rotationally connected with one end of the second connecting rod; two ends of the spring damper are respectively hinged with the first connecting rod and the second connecting rod; the other end of the first connecting rod is connected with one opening wire clamp through a vibration isolator, and the other end of the second connecting rod is fixedly connected with the other opening wire clamp; and the two installed opening wire clamps are arranged at an angle of 90 degrees. According to the invention, the installation scene of two wires with different-surface intersection and an angle of 90 + / -5 degrees can be satisfied, and the device has the characteristics of simple structure and strong adaptability; by arranging the spring shock absorbers and the shock isolators, the scene requirements of high-frequency low-amplitude shock and low-frequency high-amplitude shock can be met through cooperation of the spring shock absorbers and the shock isolators, and the shock absorption effect is more remarkable.