162 results about "Aerial cable" patented technology

The invention discloses a crosslinked polyethylene reinforced high-strength insulating aerial cable, and belongs to the technical field of crosslinked polyethylene cable materials.The crosslinked polyethylene reinforced high-strength insulating aerial cable is prepared by the steps that hydroxyl is introduced to nano boron nitride powder, then amino is grafted through KH-550, nano alpha-Al2O3 powder is modified through gamma-glycidyl ether oxypropyl trimethoxy silane, and the cross-linked polyethylene reinforced high-strength insulating aerial cable is obtained; the preparation method comprises the following steps: preparing low-density polyethylene, compounding the low-density polyethylene with aminated nano boron nitride powder to form nano composite powder, improving the interface bonding force between the low-density polyethylene and the nano composite powder, carrying out melt blending on the low-density polyethylene and the nano composite powder to improve the dispersity of the nano composite powder in the low-density polyethylene, and carrying out nucleophilic acyl substitution reaction to obtain a fluorine-containing modified monomer. The nano boron nitride powder and the nano alpha-Al2O3 powder are subjected to a cross-linking reaction under the initiation action of an initiator and then coat the exterior of the thermal insulation layer, and the nano boron nitride powder and the nano alpha-Al2O3 powder are bridged through siloxane bonds to form a three-dimensional heat-conducting network, so that the heat resistance of the outer insulating layer is improved.

The invention discloses a corrosion-resistant insulating aerial cable which sequentially comprises a conductor layer, an insulating layer, a shielding layer, a corrosion-resistant layer and an outer sheath from inside to outside. The conductor layer is an aluminum alloy stranded wire of which the surface is coated with an anti-oxidation coating; the insulating layer is made of crosslinked polyethylene doped with 3-5% of nano silicon dioxide; the corrosion-resistant layer is a fluoroplastic or polyurethane coating; and the outer sheath is polyvinyl chloride added with an antioxidant and an ultraviolet light absorber. The fluoroplastic coating is formed through electrostatic spraying, and the surface of the copper wire shielding layer is subjected to phosphating pretreatment; the doped nano material enhances the mechanical strength and ultraviolet resistance of the insulating layer; the spiral groove design accelerates drainage and reduces accumulated water corrosion.

The invention relates to the technical field of high-altitude cable protection, in particular to a high-altitude erected cable and an all-weather bird repelling and obstacle removing device thereof.The high-altitude erected cable comprises a conductor, and a refractory fiber belt, a calcined mica tape, an EPR ethylene propylene rubber insulator, a halogen-free low-smoke flame-retardant belt and a sheath are sequentially assembled outside the conductor; metal supporting sleeves are fixedly sleeved on the outer side of the sheath and located on the outer sides of the connecting ends on the two sides. According to the high-altitude erected cable and the all-weather bird repelling and obstacle removing device thereof, by adopting a self-propelled structural design, repelling and obstacle removing can be automatically controlled when dust, impurities, ice and snow and bird flocks are accumulated on the surface of the cable, so that the service life of the cable is greatly prolonged; unmanned automatic maintenance and obstacle removal are adopted, interference and influence of the external environment are avoided, and all-weather operation capacity is achieved; the optical detection probes used for detecting the bending angle of the cable are fixedly assembled at the lower ends of the openings in the two sides of the metal supporting sleeve, durability is high, automatic control can be conducted according to the bending degree of the cable, and operation is more convenient.

The invention belongs to the technical field of aerial cable deicing and discloses a vibration-based aerial cable deicing robot and a control method. The robot comprises an integral mechanical frame, a driving module, a balancing module and a vibration deicing module. The overall mechanical frame is designed by adopting light-weight aluminum profiles, and double-layer carbon fiber plates are arranged in the overall mechanical frame and used for installing all assemblies. The driving module stably walks through a worm and gear mechanism; the balance module adopts a Y-shaped guide groove and a balancing weight to ensure the stability of high-altitude operation; the vibration deicing module directly clamps a cable through a flexible mechanical clamping jaw, and an ice layer is broken through high-frequency vibration. The control method comprises the tasks of vibration control, walking driving, clamping jaw adjustment and the like, and automatic control is achieved through the STM main control chip. High-frequency vibration and amplitude optimization design are adopted, and a flexible clamping jaw structure is matched, so that the deicing effect is ensured, and cable damage is avoided. And the safety and the efficiency of the deicing operation of the overhead cable are obviously improved.

The invention relates to the technical field of bridge engineering, in particular to a bottom formwork dismounting method for superaltitude cable bent tower lower cross beam support-free method construction. Comprising the following steps that S1, an existing lower cross beam serves as a disassembling tool supporting system, a plurality of stand columns are arranged on the top of the lower cross beam, distribution beams are erected among the stand columns in the bridge direction, and a sliding type hanging frame system is erected on the distribution beams; s2, a polytetrafluoroethylene sliding plate and a limiting device are arranged between a sliding beam and a distribution beam of the sliding type hanging frame system; s3, longitudinal beams are laid on the tops of the lower cross beams, upper cross beams are transversely erected at the two ends of the longitudinal beams, and winches are arranged; s4, the bottom formwork is segmented through a sliding type hanging frame system; and S5, after the bottom formwork is removed, the overlapped sliding type hanging frame system, the distribution beams and the stand columns are removed, and the original appearance of the top structure of the lower cross beam is recovered. The cyclic operation of positioning, cutting and shifting of the superaltitude lower cross beam support-free method bottom formwork is achieved through the traction sliding type hanging frame system, operation is convenient and fast, and stability and safety are high.

The invention belongs to the technical field of cable mounting tools, and particularly relates to an anti-falling aerial cable clamping and mounting structure which comprises a bottom clamp and a top clamp, and the top clamp is arranged above the bottom clamp. And a tension spring is arranged between the top clamp and the bottom clamp, so that the top clamp downwards clamps the cable under the action of the tension spring. Arc-shaped clamping grooves are formed in the opposite faces of the bottom clamp and the top clamp, and mounting planes are arranged at the left ends and the right ends of the opposite faces of the bottom clamp and the top clamp. The bottom clamp comprises a bearing clamp on the upper portion and a fixing base on the lower portion, the bearing clamp is connected to the upper portion of the fixing base in a sleeved mode, and the bearing clamp can move up and down on the fixing base in a limited mode. Through the integrated design of elastic pre-tightening, double limiting and buffering energy absorption, stable clamping, dynamic adaptation and damage protection of the cable are achieved, and the cable clamp is suitable for various installation scenes such as a power transmission tower and a telegraph pole cross arm and can tolerate cable installation in severe environments such as high and low temperature, strong wind and salt mist.

The invention discloses a weather-resistant insulating overhead cable, which relates to the technical field of cables, comprises a cable mechanism, and is characterized in that the cable mechanism comprises conductors, an insulating layer, an inner sheath layer and a steel tape armor; according to the invention, the inner sheath layer and the steel tape armoring are arranged at the outer side of the conductor in a layered manner, the inner sheath layer adopts chloroprene rubber as a main raw material, the chloroprene rubber has excellent weather resistance, ozone resistance, chemical corrosion resistance and flame retardance, and carbon black can enhance the wear resistance and tear resistance of the inner sheath layer and improve the weather resistance of the inner sheath layer at the same time; the anti-aging agent can effectively delay the aging speed of the inner sheath layer, the plasticizer improves the flexibility and processability of the chloroprene rubber, the inner sheath layer wraps the shielding layer and further protects the inner insulating layer and the shielding layer, the good weather resistance of the inner sheath layer can resist erosion of the external environment to the internal structure, and the inner sheath layer and the outer insulating layer act synergistically, so that the service life of the cable is prolonged. And the overall weather resistance of the cable is enhanced.

The invention relates to a cable tension adjusting device on an electric power tower, and belongs to the technical field of overhead cable installation. The device comprises a tower frame and a cable, the front side and the rear side of the top of the tower frame are each provided with a first limiting wheel and a second limiting wheel which are used for supporting the cable in a rolling mode, and an automatic tension adjusting mechanism used for adjusting the tension of the cable is correspondingly arranged between each first limiting wheel and the corresponding second limiting wheel. The automatic tension adjusting mechanism comprises a sliding plate, a fixing plate, a sliding rail, a pulley A, a traction wheel, a pulley B, a pulley C, a pulley D and a cable, a pulley groove of the traction wheel is clamped above the cable, and the vertical pressure applied to the cable by the traction wheel is larger than the gravity of the counterweight assembly through a pulley block formed by the pulley A, the pulley B, the pulley C and the pulley D. The device is simple and reliable in structure and easier to implement.

The invention belongs to the technical field of cable installation devices, and particularly relates to an aerial cable insulation installation column which comprises a rectangular column, a clamping device and a stretching adjusting device, the clamping device is arranged in the middle of the rectangular column, and the stretching adjusting device is installed at the top of the clamping device; the clamping device comprises an installation platform, a fixed clamp and a movable clamp, the fixed clamp and the installation platform are integrally formed, the fixed clamp extends downwards, the movable clamp is inserted into the installation platform and located above the fixed clamp, clamping grooves are formed in the opposite sides of the fixed clamp and the movable clamp, and the fixed clamp and the movable clamp form a cable clamp. A limiting buckle is arranged on one side, away from the rectangular column, of the cable clamp; according to the scheme, the cable installation equipment which is small in size and convenient to rapidly install is provided for cable installation requirements in special environments such as pits, tunnels and mine holes; multiple insulation barriers are adopted, an electric leakage conduction path is effectively blocked, the excellent insulation performance can still be kept even in a humid and dusty environment, and the electric shock risk is greatly reduced.

A cable transportation carrier for transporting people includes a connector designed to be attached to an aerial cable. A frame is fixed to the connector and defines a permanent opening onto the outside. An anchor point is provided and is designed to attach a person equipped with a safety harness with a safety connector. The anchor point defines a blocking state and a free state. In the blocking state, the safety connector cannot leave the anchor point. In the free state, the safety connector can leave the anchor point. A locking device presents a locked state and an unlocked state. In the locked state, the locking device keeps the anchor point in the blocking state. In the unlocked state, the locking device allows the anchor point to switch between the blocking state and the free state.

The invention discloses a multi-mode navigation control method and system of a high-altitude cable deicing robot, and belongs to the field of navigation control, and the multi-mode navigation control method of the high-altitude cable deicing robot comprises the following steps: carrying out data collection by using a multi-sensor fusion system carried by the robot; generating a dynamic multi-dimensional risk map based on the collected data, wherein the multi-dimensional risk map marks a moving path of the robot, a large-gradient area, a cable galloping area and a stain influence area; when it is predicted that the robot is about to enter the large-gradient area, the advancing mode of the robot is controlled to be a braking priority mode; compared with the prior art, the method has the beneficial effects that the multi-dimensional risk map is constructed, the moving path of the robot is divided into a conventional area, a large-gradient area, a cable galloping area and a stain influence area, and different control modes are adopted for different areas; therefore, the environment adaptability of the aerial cable deicing robot is remarkably improved.

The application discloses a high-altitude cable deicing device and a high-altitude cable deicing method. The high-altitude cable deicing device comprises a base, a first walking mechanism, a first deicing device, a spiral aircraft and a battery. The base is provided with a deicing groove and a machine cavity. The deicing groove is located above the machine cavity, and a heating sheet is arranged between the deicing groove and the machine cavity. The first walking mechanism comprises a first support slidably arranged on the base, a second support slidably arranged on the base, a first roller mounted on the first support, a second roller mounted on the second support, a first driver in transmission connection with the first roller and / or the second roller, and a second driver in transmission connection with the first support and the second support to make the first support and the second support approach or move away from each other. A first wire clamping channel is formed between the first roller and the second roller, and the first deicing device is located above the deicing groove and on the extension path of the first wire clamping channel. The high-altitude cable deicing device can improve the efficiency and safety of cable deicing.

The invention discloses a weather-resistant insulated overhead cable, which relates to the technical field of cables and comprises a cable mechanism. The cable mechanism is characterized in that: the cable mechanism comprises a conductor, an insulating layer, an inner sheath layer and a steel belt armor; the invention arranges the inner sheath layer and the steel belt armor in layers on the outer side of the conductor; the inner sheath layer adopts chloroprene rubber as a main raw material; the chloroprene rubber has excellent weather resistance, ozone resistance, chemical corrosion resistance and flame retardancy; carbon black can enhance the wear resistance and tear resistance of the inner sheath layer and improve its weather resistance at the same time; an antioxidant can effectively delay the aging speed of the inner sheath layer; a plasticizer improves the flexibility and processing performance of the chloroprene rubber; the inner sheath layer is wrapped outside the shielding layer and further protects the inner insulating layer and the shielding layer; the good weather resistance of the inner sheath layer can resist the erosion of the internal structure by the external environment, and synergizes with the outer insulating layer to enhance the weather resistance of the entire cable.

The invention relates to the technical field of cross-linked polyethylene insulated cables, and discloses an overhead insulated cable with an anti-icing coating, which comprises a cable core, an inner shielding layer, an insulating layer, an outer shielding layer, an inner sheath, an armor layer and other conventional structures, and is characterized in that a driving assembly and an anti-icing jacket assembly are arranged outside at equal intervals; the driving assembly is driven by the fixed ring, the rotating ring and the micro motor to drive the spiral twisting wire to be alternately tightened and loosened, so that the flexible twisting sleeve synchronously realizes radial wriggling and circumferential bidirectional torsion, the outer wall of the flexible twisting sleeve is provided with a V-shaped axial twisting groove, and the outer wall of the flexible twisting sleeve is coated with a compound anti-icing coating; according to the scheme, a bonding interface for breaking an ice blank and the surface of the cable at the initial stage can be formed on an ice shell, a thin water film is quickly discharged to block an icing core, and the hydrophobic and ice-hydrophobic characteristics of the coating are matched, so that ice layer growth circulation is cut off from the source, icing thickening is effectively inhibited, and safety accidents caused by large-scale icing are avoided; and the operation reliability of the aerial cable in the freezing rain, high-humidity and low-temperature environment is improved.

The application discloses a kind of high-conductivity cable overhead line manufacturing method, including S1, substrate preparation treatment;S2, single wire drawing forming;S3, axial groove structure processing;S4, conductor annealing treatment;S5, conductive layer coating treatment;S6, multi-wire stranding forming.A kind of high-conductivity cable overhead line includes, conductor, conductive layer, insulating layer, shielding layer and outer sheath;The outer surface of the conductor is provided with multiple axial grooves along its axial direction.The application is coated by conductive layer, multiple circular pores in the interior of metal particles enable binder to enter particle, form mechanical interlocking structure, enhance the binding force between metal particles and binder, which makes the conductive layer not easy to fall off from the surface of the conductor after solidification, even if subjected to slight mechanical friction or vibration, conductive layer can still keep intact, in addition, circular pore structure makes metal particles form more compact accumulation inside conductive layer, reduce the gap inside conductive layer, improve the overall structural stability of conductive layer.

The present invention relates to a method for the rapid installation and demolition of an aerial cable platform, including S1: installation of the cable platform and S2: demolition of the cable platform. In the present invention, a cable platform is erected between two buildings on both sides as an operating platform, which is erected quickly and conveniently, and can greatly save human and material resources. Since the overall weight of the cable platform is too heavy, the cable platform is divided into several cable platform blocks. During demolition, two electric hoists are installed on the buildings on both sides, and the cable platform blocks can be smoothly lowered by removing the anchoring points. The demolition work is very fast, which is beneficial to the construction period control. The demolition is not restricted by the operating space, and there is no need for personnel to work at height, which can reduce potential safety hazards.

The application relates to the technical field of unmanned planes and discloses an overhead cable live-line installation spacer auxiliary unmanned plane, which comprises an unmanned plane body, a polygonal cylinder frame, a chain belt frame, a plurality of mounting parts and a winding and releasing assembly. The chain belt frame is a structure of a plurality of sections which are hingedly connected at the heads and tails, and the chain belt frame is in a U-shaped wrapping mode and wraps the outer side of the lower part of the polygonal cylinder frame. The mounting parts are connected at the hinged parts of the chain belt frame and are used for mounting and releasing spacer bodies. The main lifting ropes are connected to the upper sides of the two ends of the chain belt frame. The winding and releasing assembly is installed at the lower side of the unmanned plane body, is connected to the upper ends of the main lifting ropes and is used for winding and releasing the main lifting ropes. The winding and releasing assembly drives the chain belt frame to move through the main lifting ropes, so that the spacer bodies at different positions of the chain belt frame are located at the lower end, the mounting and installation of the spacer bodies are facilitated, the spacer bodies do not need to be turned over and the spacer bodies are suitable for the installation of rod-shaped spacers. The polygonal cylinder frame and the chain belt frame are matched to stabilize the shape of the chain belt frame, so that the spacer bodies which need to be installed are located at the lowermost end. The main lifting rope is a mainstream flexible installation mode, and the spacer bodies have good safety and insulation effects.

An aerial cable hanger which comprises a modular design so that it can be easily adapted to a wide variety of cable quantities and types while maintaining ready access to individual wires is disclosed. The aerial cable hanger comprising of a hanger member, a hook member provided on said hanger member, a helix-shaped messenger attachment member provided on said hanger member, and a plurality of modules mounted on said hanger member. The module comprises a formed wire body, an overmolded saddle, and a curved inner surface adapted to provide support for cables without damaging their insulation.

This invention relates to the field of overhead cable technology and proposes a wear-resistant cross-linked polyethylene overhead insulated cable, comprising a cable, a flexible sheath, a lifting frame, a swing support assembly, and a wire pressing assembly. The flexible sheath is fitted onto the cable, the lifting frame is suspended from a power support, the cable is placed on the swing support assembly, and a fan-shaped support seat is rotatably connected to the lifting frame, contacting the flexible sheath. When the cable slides axially, it can drive the fan-shaped support seat to rotate. The cable at both sides of the flexible sheath contacts two collars in the wire pressing assembly, which presses the cable downward, causing the flexible sheath to contact the fan-shaped support seat. The flexible sheath can move between the two collars. This technical solution addresses the problem in the prior art where the overhead cable and the hardware clamping part are easily worn, causing damage to the cable sheath.

A cable spacer which comprises a modular design so that it can be easily adapted to a wide variety of cable quantities and types while maintaining ready access to individual wires without disturbing adjacent wires is disclosed. The cable spacer comprising of a rectangular block body having a C-shaped carrier member and a cable retaining insert member detachably mountable into said C-shaped carrier member or other cable retaining arrangement and with integrated means of attachment to messenger cables. The rectangular block body could be interconnected and interlocked to create multiple cable holders and incorporates a hanger member for supporting on a messenger wire or other mounting arrangements.

The present application relates to the technical field of bridge engineering, and particularly relates to a bottom formwork dismantling device for construction of an ultra-high aerial cable tower lower cross beam by a non-support method. The device comprises a main body, a movable hoisting frame assembly and a hoist lifting assembly. The movable hoisting frame assembly comprises a support and a hoisting frame. The support is arranged horizontally, and the hoisting frame is longitudinally slidable on the support. The hoist lifting assembly comprises a laying member and a hoist. The laying member is longitudinally arranged on the lower cross beam of the main body, and the hoist is symmetrical and horizontally slidable on both sides of the laying member. The hoisting frame moves along the main body to form a segmented dismantling platform. Through the cooperative operation of the movable hoisting frame assembly and the hoist lifting assembly, the integrated operation of segmented dismantling and vertical lowering of the bottom formwork is realized, and the safety of high-altitude operation and the construction efficiency are improved.

The utility model discloses an aerial cable clamping antiskid mechanism which comprises a positioning plate, one side of the top end of the positioning plate is provided with a base, the other side of the top end of the positioning plate is provided with two guide rails, the top end of the base is provided with a first substrate, the center position of the top end of the first substrate is provided with a first piece placing seat, and the tops of the guide rails are connected with two rail seats in a sliding mode. The top end of the rail seat is provided with a second substrate, the center of the top end of the second substrate is provided with a second piece placing seat, the top ends of the first piece placing seat and the second piece placing seat are both provided with piece placing cylinders, the outer wall of one side of each piece placing cylinder is provided with a connecting block, the bottom end of each connecting block is provided with a U-shaped chuck, and the inner sides of the two U-shaped chucks are provided with cable bodies. According to the clamping antiskid mechanism, cable bodies with different lengths can be clamped and fixed, so that the application range of the clamping antiskid mechanism is widened, the clamping and fixing effect of the clamping antiskid mechanism on the cable bodies is guaranteed when the clamping antiskid mechanism is used, and the displacement phenomenon of the clamped and fixed cable bodies is reduced.

The utility model relates to cable stranding machine technical field, concretely is an overhead cable stranding machine, the utility model avoids the up-and-down swing of the wire drum when paying off wire; through the control switch starting motor, the motor is the product on sale, and the motor output end drives gear rotation, and the gear engages driven wheel and makes two Geneva wheels synchronous reverse rotation; in the process of Geneva wheel rotation, the three movable seats of its inside engagement slide along the splayed slide groove along with the sliding block of lower surface, and then make three movable seats cross -move and carry out stranding to cable, then, the stranding is led out and is in turn passed through semicircular guide ring, and is passed two guide wheels of high and low settings again, through the double orientation of guide wheel and guide ring, make cable keep stable tension and convey to the stranding direction, finally, according to production demand adjustment motor speed, control Geneva wheel rotating speed and movable seat interval stability, ensure that cable is evenly stranding in the conveying process, form the overhead cable that meets the specification, complete stranding operation.

The invention relates to the technical field of cables, and discloses a corrosion-resistant tensile crosslinked polyethylene aerial cable. Comprising a plurality of cable cores and a power-off mechanism, and the periphery of each cable core is coated with an insulating layer; and a power-off mechanism is arranged at the disconnected part of each cable core, and when the cable cores are subjected to axial tension exceeding a preset threshold value, the power-off mechanisms are triggered and automatically disconnect the electrical connection of the cable cores. The power-off mechanism is arranged at the disconnection position of each cable core, and when the cable cores are subjected to axial tension exceeding the preset threshold value, electrical connection can be actively and timely disconnected, so that secondary electrical faults such as short circuit and arc discharge caused by cable core breakage are avoided, and the safety and reliability of the cable under the dynamic stress working condition are remarkably improved.

The invention relates to the technical field of power cables, and discloses a cross-linked polyethylene insulated aerial cable capable of quickly cross-linking silane and a preparation method of the cross-linked polyethylene insulated aerial cable. The conductor shielding layer is extruded on the outer side of the conductor; the insulating layer is extruded on the outer side of the conductor shielding layer; the insulation shielding layer is extruded on the outer side of the insulation layer; the metal shielding layer is arranged on the outer side of the insulation shielding layer; the cable outer sheath is arranged on the outer side of the metal shielding layer; and the outer side of the cable outer sheath is provided with a heat storage assembly which is located at an easy-to-overheat part. Through the arranged heat storage assembly, when a cable connector or a local line is overheated due to overload, contact resistance increase and the like, heat is transferred to the heat storage assembly, once the temperature reaches the set melting point of the phase change material, the phase change material is subjected to phase change and absorbs a large amount of latent heat, and the temperature of the overheated part can be stably maintained near the phase change point; and thermal buffering is formed, and out-of-control rising of the temperature and spreading of heat can be prevented within a certain range.

The invention relates to the technical field of aerial cables, and provides a wear-resistant cross-linked polyethylene aerial insulated cable which comprises a cable, a flexible sheath, a lifting frame, a swing supporting assembly and a wire pressing assembly, the cable is sleeved with the flexible sheath, the lifting frame is hung on an electric power support, the cable is placed on the swing supporting assembly, and the wire pressing assembly is arranged on the swing supporting assembly. The fan-shaped supporting seat is rotationally connected to the lifting frame, the fan-shaped supporting seat is in contact with the flexible sheath, when the cable slides in the axial direction, the fan-shaped supporting seat can be driven to rotate, the positions, located on the two sides of the flexible sheath, of the cable are in contact with two lantern rings in the cable pressing assembly respectively, the cable pressing assembly can press the cable downwards, and the cable can be driven to rotate; according to the technical scheme, the flexible sheath is enabled to be in contact with the fan-shaped supporting seat, the flexible sheath can move between the two lantern rings, and by means of the technical scheme, the problem that in the prior art, the cable sheath is damaged due to the fact that the clamping portion of an aerial cable and a hardware fitting is prone to abrasion is solved.

The invention discloses a high-altitude cable skin damage detection unmanned aerial vehicle, and belongs to the technical field of high-altitude cable damage electric leakage detection equipment, and the high-altitude cable skin damage detection unmanned aerial vehicle comprises a remote control unmanned aerial vehicle, a clamping distance adjusting device, a climbing automatic tightening device, a detection equipment self-release structure and a cable electric leakage detection device. The invention provides a high-altitude cable skin damage detection unmanned aerial vehicle in order to overcome the defects that in the prior art, high-altitude cable electric leakage detection is difficult, and the flight stability and the detection safety distance of the unmanned aerial vehicle are difficult to consider. The problems that the flight stability of the unmanned aerial vehicle and the safety distance of detection equipment are difficult to consider, the detection efficiency is low and the safety is poor in aerial cable detection in the current market are effectively solved.

The utility model discloses a flexible insulating aerial cable, and relates to the technical field of aerial cables. The number of the suspension mechanisms is multiple, and the multiple suspension mechanisms are all arranged on the top plate; the number of the supporting seats is two, and the two supporting seats are both arranged on the multiple suspension mechanisms and used for overhead of the cable; and each group of circulating holes are formed in each supporting seat and are used for communicating the inner space and the outer space of the supporting seat. According to the flexible insulated aerial cable, through the use of the circulation hole, the inner space and the outer space of the supporting seat can be communicated, heat generated in the use process of the cable is dissipated, the use effect is ensured, the influence of the temperature on the cable in the use process is avoided, through the use of the clamping mechanism, the cable can be comprehensively clamped and positioned, and the use efficiency of the cable is improved. And in addition, the stability of the cable can be controlled through the damping rod, and the situation that the cable shakes in the use process, and use is affected is avoided.

The present invention discloses an anti-aging overhead cable and a preparation method thereof, relating to the field of cables. The anti-aging overhead cable includes a conductor core, an insulating layer and a sheath layer from inside to outside; the insulating layer is made of cross-linked polyethylene, and the cross-linked polyethylene includes the following raw materials in parts by weight: 170-180 parts of low-density polyethylene, 10-12 parts of cross-linking agent, 8.5-10.5 parts of anti-treeing aging agent and 4-6 parts of antioxidant. The synthesized anti-treeing aging agent includes nano-magnesium oxide, benzophenone structure and terminal carbon-carbon double bond, which improves the mechanical properties, insulation properties and anti-treeing aging properties of the cable insulating layer. The synthesized antioxidant includes terminal carbon-carbon double bond, mesoporous silica, hindered phenol structure, thiophene ring and thioether group, making the cable insulating layer have persistent antioxidant aging resistance. Therefore, the anti-aging overhead cable of the present invention has excellent mechanical properties and anti-aging properties and has a long service life.

The utility model provides a butt joint assembly, a butt joint device and cable maintenance equipment, the butt joint assembly can be at least used for butt joint and separation of an inspection robot and a high-altitude cable, and the butt joint assembly comprises a frame which is provided with a containing space for containing the inspection robot and a side opening allowing the high-altitude cable to enter the containing space; the butt-joint frame is arranged on the frame-shaped frame and used for guiding the aerial cable to enter the containing space from the side opening and positioning the aerial cable at the butt-joint position of the aerial cable and the inspection robot; and the connecting frame is connected to the frame-shaped frame, located above the frame-shaped frame and used for being connected with an aircraft. According to the butt joint assembly of the structure, lateral butt joint with a high-altitude cable is achieved through translation, when an inspection robot is put into the two lower wire harnesses in the three wire harnesses distributed in the shape like the Chinese character'pin ', the unmanned aerial vehicle can be prevented from being too close to the upper wire harnesses, the unmanned aerial vehicle cannot be broken down by an electromagnetic field of the upper wire harnesses any more, and the inspection robot can be put into the inspection robot. And the working safety of the unmanned aerial vehicle and the inspection robot is remarkably improved.