119 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 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 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.

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.

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.

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 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 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.

The invention discloses an aerial cable fault detection method combining traveling wave distance measurement and an artificial intelligence algorithm, relates to the technical field of cable fault detection, and solves the problem that distance measurement errors are caused due to the fact that traveling wave arrival time selected at a single moment is prone to deviation. According to the invention, through a cross validation mechanism of multi-group moment combination in a double-end traveling wave distance measurement method, traveling wave signal moments received by monitoring nodes are subjected to full-scene non-repeated selection and verification, and through combination of dual validation logic of length difference judgment and reflected wave time matching, the risk of misjudgment possibly caused by signal interference in single moment selection is effectively avoided; in particular, the accurate fault point location is further screened out through feature comparison and dynamic movement verification of the amplitude of the reflected wave and the main traveling wave signal, the problem of positioning deviation caused by interference such as advanced arrival of the reflected wave and signal superposition in traditional traveling wave distance measurement is solved, and the accuracy and stability of fault point positioning are remarkably improved.

An aerial cable transport station comprises a cable running along the station to define a running track. A transport vehicle and a maintenance vehicle remain securedly attached to the cable when moving in the station. The maintenance vehicle is installed detachable from the cable and presents a different size from the transport vehicle. A guide prevents the transport vehicle from pivoting around a longitudinal axis of the cable beyond a threshold position. The guide is movable between operating and maintenance positions. In the operating position, the guide forms an obstacle to movement of the maintenance vehicle running in the station. In the maintenance position, the guide is located outside the volume occupied by the maintenance vehicle running in the station.

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 application discloses a high-altitude cable inspection device, which comprises an inspection host, a camera mechanism for inspecting a cable is installed on the inspection host, a walking mechanism is installed on the inspection host and is used for driving the inspection host to walk along the cable, and a cleaning mechanism is installed on the inspection host and comprises a supporting rod and an air gun, the supporting rod is installed on the inspection host, and the air gun is installed on the supporting rod. The high-altitude cable inspection device can autonomously walk along the high-altitude cable, a camera is installed on the high-altitude cable inspection device and can automatically shoot the image of the surface of the cable, and the function of automatic inspection is realized. Importantly, the cleaning mechanism is installed on the inspection host, the cleaning mechanism is provided with the air gun, high-pressure air can be automatically sprayed to the surface of the cable before shooting, dirt on the surface of the cable is removed, and the problem that the dirt covering the surface of the cable affects the accuracy of image detection is avoided.