87 results about "Aerial cable" patented technology

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 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 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.

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.

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 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 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.

The application discloses an anti-aging overhead insulated cable and relates to the technical field of cables.The cable comprises a core assembly coated with cross-linked polyethylene; further comprises an inner sheath, an armor layer and an outer sheath which are sequentially wrapped around the plurality of core assemblies from inside to outside; a plurality of concave units one are connected through connecting grooves and are arranged on the surface of the outer sheath to break the continuous water film tension on the surface of the outer sheath and increase the diffuse reflection area of ultraviolet rays; concave units two are arranged on the armor layer, and the concave units two store water-blocking medium which expands when meeting water; the anti-aging protection system is constructed from outside to inside, and the various structures are synergistically combined, so that the performance of the cable is improved in terms of ultraviolet resistance, water resistance and spread prevention and efficient heat dissipation, the bottleneck of only relying on material improvement in the prior art is broken, and the anti-aging performance of the overhead cable in a complex outdoor environment is remarkably improved.

The invention relates to the technical field of cables, in particular to an aerial cable with an intelligent regulation and control system, which comprises a cable body, the cable body is composed of a conductor, a conductor insulator, a conductor shield, a filler, an inner sheath, an insulation shield and an outer sheath from inside to outside, and a compression type flexible flow guide pipe is arranged between the inner sheath and the outer sheath. According to the aerial cable with the intelligent regulation and control system, the temperature and humidity of the surrounding environment can be monitored through the intelligent detection cover installed at the end position, so that the operation condition of the whole cable is judged, then the externally-hung driving module installed on the outer side of the cable is started according to needs, and the cable can be adjusted and controlled. The external mounting type driving module is used for injecting heat exchange liquid into the compression type flexible flow guide pipe, the compression type flexible flow guide pipe can be expanded and subjected to temperature adjustment through the heat exchange liquid, deicing, snow removing and bird flock removing operation is carried out on the surface of the cable, the safety and durability of the cable are improved, and the intelligent level is enhanced.

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.

The utility model discloses an intelligent traction all-weather aerial cable laying unmanned vehicle which comprises an installation frame, a driving wheel, a lifting type cable pressing mechanism, a power device, an electrical control assembly and a rechargeable battery are sequentially arranged on the installation frame from top to bottom, and the power device is in transmission connection with the driving wheel. The upper end of the lifting type wire pressing mechanism is matched with the driving wheel to be used for pressing a laid cable, and the left side and the right side of the upper portion of the installation frame are each provided with an installation frame inclination preventing device which rolls and advances along the laid cable. The cable laying device solves the problem of cable laying in complex terrains, and has the characteristics of efficient traction, safety, reliability, strong adaptability, convenience in operation and carrying, and capability of being put through an unmanned aerial vehicle. The cable laying device is scientific and reasonable in working principle, can be widely applied to cable laying projects in the fields of electric power, communication, traffic and the like, and particularly has remarkable advantages in remote areas and complex terrains.

A splice enclosure includes a base having a cable attachment interface. The cable attachment interface includes a first fastener receivable into a first mount interface and a first body opening of a first cable attachment unit (CAU). A positioning interface is configured to receive the first CAU. A second fastener is receivable into a second mount interface and a second body opening of the first CAU. A third fastener is receivable into a third mount interface and an opening at a second CAU. The third mount interface is positioned adjacent to the first mount interface such that the third fastener is receivable to the third mount interface and the second CAU without obstruction from the first CAU. The second CAU is arrangeable over the first CAU such that the second CAU is more distal to a base wall of the base than the first CAU.

The invention relates to the technical field of overhead cables, in particular to an overhead conductor aluminum alloy cable with self-maintenance equipment, which comprises a cable body, and the cable body is composed of conductors, conductor shielding layers, conductor insulating layers, an insulating shielding layer, a metal shielding layer, a filling layer, a cabling wrapping tape, an isolating layer, a steel tape armor and a sheath. And an outer sleeve type inspection cover is arranged at the periphery of the sheath. According to the overhead conductor aluminum alloy cable with the self-maintenance equipment, the conductor formed by the multiple aluminum alloy single wires in a layered twisting mode is adopted, the aluminum alloy single wires comprise Mg, Si, Fe, B and Ce elements, the electric conductivity is larger than or equal to 56% IACS, the tensile strength is larger than or equal to 325 MPa, and therefore the conductor has high electric conductivity and high strength at the same time.

The application discloses a cable marking device for power distribution line fault positioning, and belongs to the technical field of power distribution line fault positioning.The cable marking device for power distribution line fault positioning comprises a base, a climbing walking mechanism and a marking installation mechanism.The climbing walking mechanism is used for walking along an aerial cable.The marking installation mechanism is used for positioning power distribution line faults through aerial cable marking.The climbing walking mechanism and the marking installation mechanism are both arranged on the base.The climbing walking mechanism can conveniently hang the device on the aerial cable and walk along the aerial cable, and can move the marking installation mechanism to a fault point.The marking installation mechanism can be clamped on the fault point through a buckle.The aerial cable marking is used for positioning power distribution line faults.The climbing walking mechanism and the marking installation mechanism are cooperated to realize precise and continuous aerial marking, and the risk of manual installation is reduced.

The invention provides an integrated insulation protective cover for an aerial cable and an installation tool and method thereof, and the integrated insulation protective cover comprises a porcelain bottle protective cover which is used for wrapping the top of a porcelain bottle, the porcelain bottle protective cover is a semi-closed cover body with a closed top end and open lower ends and two sides, and cable protective covers which are arranged at the two sides of the porcelain bottle protective cover. The cable protection cover comprises a first-stage cable protection cover communicated with the two sides of the porcelain bottle protection cover and a second-stage cable protection cover arranged on the outer side of the first-stage cable protection cover and communicated with the first-stage cable protection cover through a flexible connecting piece. The porcelain insulator can cover the top and cables on two sides of the porcelain insulator, and provides effective protection for the porcelain insulator and the cables on two sides of the porcelain insulator; and meanwhile, the first-stage cable protection cover and the second-stage cable protection cover are connected through the flexible connecting piece, so that the fitting degree of the insulation protection cover is improved, and loosening and falling can be effectively prevented.

High levels of urban congestion has resulted in high volume of electrical and communication cables being installed in various utility distribution boles. These kind of problems can be solved by a robust cable management system. A robust Cable Management System provides for seamless connectivity and efficient operations in industrial environments.

The utility model relates to cable technical field discloses a kind of high-strength overhead cable, including protective layer, the inner wall of protective layer is fixedly connected with reinforcing layer, the inner wall of reinforcing layer is fixedly connected with filling layer, the inner wall of filling layer is fixedly connected with shielding layer, the surface of shielding layer is provided with fireproof assembly, the inner wall of shielding layer is fixedly connected with insulating layer, the inner wall of insulating layer is fixedly connected with conductor.The fireproof assembly includes protective sleeve, the inner wall of protective sleeve is fixedly connected with isolation frame.The utility model is by using in cable interior setting fireproof assembly and in the design of fire, interior's expanded graphite extrusion protective sleeve to make potassium chlorate powder and sulfur powder mix and carry out reaction to fire point to extinguish, realize when cable fire can automatically control the purpose of fire, prevent fire spread to other areas and cause greater economic loss, to further improve the practicality of cable.

The application discloses an aviation cable stranding machine and a control method thereof. The aviation cable stranding machine comprises a pay-off rack, a cable collecting drum, a guide plate, a cable distributing plate, a rotating main shaft and a parallel cable die. First and second cable stabilizing mechanisms are sequentially arranged between the pay-off rack and the guide plate along the cable transmission direction. The first cable stabilizing mechanism comprises a stabilizing drum coaxial with the cable transmission axis, an airflow nozzle, an airflow adjusting valve and an air source. The airflow nozzle is arranged on the stabilizing drum. The airflow nozzle is connected with the air source through an air pipe. The airflow adjusting valve is arranged on the air pipe. The second cable stabilizing mechanism comprises two U-shaped magnetic cores with opposite openings. An excitation coil is arranged on the core of the U-shaped magnetic core. The excitation coil is connected with an adjustable power supply. A metal damping ring is arranged on the inner side of the two U-shaped magnetic cores. The first and second cable stabilizing mechanisms are arranged, and are matched with the tension sensor on the pay-off rack, so that the problem that the stranding quality is reduced due to the vibration and jumping of the cable during the pay-off process is avoided.

The invention provides a carbon fiber composite core aerial cable and a monitoring method based on the same, and relates to the technical field of data processing, and the method comprises the steps: collecting multi-source operation data on the carbon fiber composite core aerial cable based on a monitoring device arranged on the carbon fiber composite core aerial cable, and carrying out the preprocessing of the multi-source operation data, cable state parameters are extracted; inputting the cable state parameter into a pre-constructed generator set digital twinborn model for inverse analysis, determining an actually measured state value of the generator set, and determining a deviation value between the actually measured state value of the generator set and a reference state value; and evaluating the operation health state of the generator set based on the deviation value, determining an abnormality type when an abnormality exists, and performing early warning management. The operation reliability of the generator set is improved, the downtime is reduced, the fault risk is reduced, and the safety and efficiency of the generator set are integrally improved.

The invention belongs to the technical field of cable mounting equipment, and particularly relates to bearing type aerial cable mounting equipment which comprises a plurality of clamping discs connected up and down, supporting rods mounted at the tops of the clamping discs, and cable clamps mounted at the top ends of the supporting rods. Each clamping disc is composed of two clamping plates which are in butt joint with each other, a telescopic connecting rod is arranged between the upper clamping disc and the lower clamping disc which are adjacent to each other, and locking bolts used for fixing are symmetrically arranged at one ends of the clamping discs. A supporting rod is arranged at the top of the uppermost clamping disc, a bearing hinge is arranged at the top end of the supporting rod, the supporting rod extends upwards, and the cable clamp is fixed to the bearing hinge. Through a multi-point fixing structure of a plurality of clamping discs, the cable load is uniformly dispersed to layered wrinkles of the transformer bushing, so that a downward pulling force / lateral pulling force formed by the dead weight of the cable and an external force is prevented from directly acting on a bushing terminal, and the risks of sealing failure, insulation damage and fracture of the bushing are remarkably reduced; the core problem of mechanical stress concentration in a traditional installation mode is solved.

The utility model belongs to the technical field of cable manufacturing, and particularly relates to an aramid fiber load-bearing overhead cable, which comprises an outer protection layer and an inner sleeve cable, the outer protection layer sequentially comprises an inner lining layer, an armor layer, a tensile layer and an outer cover layer from inside to outside, and the inner sleeve cable comprises a plurality of inner core cables and a plurality of reinforcing ropes. The plurality of inner core cables and the plurality of reinforcing ropes are woven in a staggered and twisted manner; the tensile layer is a ring cover layer formed by weaving a plurality of aramid ropes; the reinforcing rope is a rope body formed by weaving a plurality of aramid ropes. According to the utility model, the inner core cable and the reinforcing rope are arranged in the lining in a staggered manner, the aramid fiber material adopted by the reinforcing rope is used for improving the tensile strength of the inner core cable, and the aramid fiber material adopted by the tensile layer is used for improving the tensile strength of the cable again, so that the overhead weighing effect of the cable and the tensile effect of underwater detection equipment are improved.