2630 results about "Cable line" patented technology

The invention discloses a cable aging test system and method based on the Internet of Things, and relates to the technical field of cable testing, and the method comprises the steps: collecting cable operation parameters in real time through a circuit breaker node disposed in a cable line, and synchronously monitoring the environment temperature and humidity; wherein the cable operation parameters comprise conductor temperature, leakage current, voltage fluctuation value and load power; the collected cable operation parameters are transmitted to a cloud platform through an Internet of Things communication module; analyzing the aging degree value of the cable insulation layer based on an electrothermal two-factor synergistic aging model; dynamically calculating an ignition risk value of the cable through a fire risk assessment algorithm in combination with the aging degree value; and when the aging degree value or the ignition risk value exceeds a threshold value, generating an early warning report, pushing the early warning report to the terminal equipment, and marking the position of the hidden danger at the same time.

The invention relates to the technical field of communication engineering, in particular to a communication optical cable line intelligent inspection fault point rapid positioning method and device, and the method comprises the steps: obtaining optical cable line state data, constructing an intelligent fault detection model, recognizing an abnormal signal through wavelet transform and a threshold determination method, training an LSTM neural network in combination with historical fault data, and pre-judging a fault type. When a fault is detected, an unmanned aerial vehicle inspection unit is triggered, an inspection path is planned based on an improved Dijkstra algorithm according to the fault type and suspected fault area geographic information, an optical cable line is scanned and detected through a laser radar, physical fault features are recognized through a YOLOv5 algorithm, and geographic coordinates of a fault point are calibrated in combination with an inertial navigation system; and fusing sensor data and a detection result, evaluating a fault confidence level by adopting a DS evidence theory, and generating an alarm work order. Therefore, the problems of long positioning time consumption, high omission ratio, difficulty in distinguishing fault types and the like in the prior art are solved.

The invention discloses a high altitude area cable fault early warning and fault positioning method comprising the following steps: monitoring terminals are installed at two ends of a cable line, respectively collect traveling wave signals generated by a cable having a partial discharge source / fault point, carry out on-site data processing on the traveling wave signals, and carry out feature extraction by applying wavelet analysis; and the partial discharge pulse signals are uploaded to a background master station through a wireless or optical fiber communication channel, the background master station draws a partial discharge map according to long-period statistical information such as the amplitude, the number of times and the corresponding power frequency phase of the partial discharge pulse signals, and judgment and fault early warning are carried out on the partial discharge type and the development trend of the cable according to the change condition of the map. According to the invention, the wavelet analysis technology is used to extract the main characteristic quantity of the partial discharge signal, the main characteristic quantity is sent to the background master station through a wireless or optical fiber communication channel, and the arrival time of the wave head of the voltage traveling wave is determined and the fault distance of the power grid is calculated through the wave head identification method of the voltage traveling wave, thereby realizing the fault location of the voltage traveling wave of the power grid. Therefore, the position of the fault point is accurately calculated.

The invention discloses a radio frequency electromagnetic energy explosion testing device and method. The device comprises a closed gas cavity, a testing cable, a linear driving mechanism and a processing circuit. The airtight gas cavity is filled with explosive gas. The test cable comprises an inner conductor and an outer conductor, the outer conductor is coaxially arranged around the inner conductor, the inner conductor comprises a first inner conductor and a second inner conductor which are oppositely arranged in the axial direction, the end, away from the second inner conductor, of the first inner conductor is configured to receive radio frequency electromagnetic energy, and the power of the radio frequency electromagnetic energy tends to be increased. And the linear driving mechanism is connected with one end, far away from the first inner conductor, of the second inner conductor, and is configured to drive the second inner conductor to periodically reciprocate along the axial direction, so that the second inner conductor and the first inner conductor are periodically disconnected or connected. And the processing circuit is configured to take the power of the radio frequency electromagnetic energy corresponding to gas explosion as a power safety threshold. According to the invention, data support can be provided for safe operation of the coaxial cable in practical application.

The invention relates to the technical field of optical cable line external force damage monitoring, and discloses an optical cable external force damage intelligent identification system. The system comprises an optical fiber vibration sensing module, a multi-source feature fusion analysis module, an abnormal event association positioning module and an intelligent checking strategy generation module. The optical fiber vibration sensing module constructs a model based on historical data and outputs a reference vibration characteristic value; the multi-source feature fusion analysis module performs three-dimensional fusion analysis of time domain, frequency domain and phase on the reference value and the measured value to generate a feature difference matrix; the abnormal event association positioning module is used for generating an abnormal probability distribution cloud picture and positioning an abnormal area in combination with the topological parameters and the environment information; and the intelligent checking strategy generation module configures checking parameters according to the cloud picture, starts high-frequency acquisition for a high-probability region, and applies an environment disturbance test to adjacent lines. The system can accurately identify and position optical cable external force damage, and the monitoring efficiency is improved.

The invention discloses a cable eccentricity online monitoring method based on multi-point laser ranging, and relates to the technical field of cable manufacturing and detection, and the method comprises the following steps: twelve laser displacement sensors are uniformly arranged at the periphery of a cable core to be detected, the sensors are arranged at fixed intervals of 30 degrees, and a closed annular monitoring array is formed; the method is used for synchronously acquiring radial distance data from the surface of the cable core to the inner wall of the insulating layer at each measuring point. Full-circumferential real-time monitoring is achieved through the high-density laser sensor array, the measurement precision is guaranteed through multi-algorithm fusion and temperature compensation, a closed-loop feedback control mechanism is formed in combination with production equipment, the problems of eccentricity detection blind areas, error interference and manual lag are effectively solved, and the quality consistency and production efficiency of cable manufacturing are improved.

The invention discloses a cable fault accurate positioning system based on an intelligent sensor system, and relates to the technical field of power fault positioning, and the cable fault accurate positioning system comprises a cloud monitoring center which is in communication connection with the following modules: a signal acquisition and processing module which is used for deploying the intelligent sensor system along a cable, operation environment data and traveling wave signals in the cable operation process are obtained, and the signals are preprocessed and stored in a cloud data warehouse. According to the invention, the front band-pass filter and the self-adaptive trap filter are combined to filter out high-frequency harmonic waves and specific-frequency interference signals, and the differential sampling technology is adopted to counteract common-mode interference, so that the signal-to-noise ratio of the signals is remarkably improved, a system can accurately capture and process weak traveling wave signals caused by a high-resistance grounding fault in a complex environment, and the fault detection accuracy is improved. Therefore, the fault positioning precision is greatly improved, the positioning error caused by signal interference is reduced, and the determination of the fault position is more reliable and accurate.

The invention provides an adaptive stochastic resonance weak fault detection method based on kurtosis optimization, and belongs to the technical field of fault detection, and the method comprises the steps: collecting and preprocessing a transient signal on a cable line; constructing a bistable stochastic resonance model; kurtosis of the output signal is used as a fitness function, and potential well parameters of the bistable stochastic resonance model are optimized based on a particle swarm optimization algorithm; and substituting the optimized potential well parameter into the bistable stochastic resonance model, and processing the preprocessed transient signal to obtain an enhanced output signal for fault detection. The method has the beneficial effects that the stochastic resonance system is constructed on the basis of the classical bistable model, the kurtosis of the output signal is used as the fitness function of the particle swarm optimization algorithm, the potential well parameters are adaptively optimized, the potential well parameters are driven to automatically converge to the optimal state, and the robustness of the system is improved. The high-impedance grounding fault traveling wave signal can be extracted and enhanced from a strong noise background, and the detection sensitivity and reliability are improved.

The invention discloses an offshore wind power cable line fault early warning method and system, and relates to the technical field of cable line fault early warning, and the method comprises the following steps: laying a three-dimensional distributed optical fiber temperature array along an offshore wind power cable, and monitoring the cable thermal field space distribution in combination with an active acoustic dispersion imaging technology; acquiring initial evolution trajectory data of the edge high-temperature region; and on the basis of the initial evolution trajectory data, constructing a coupling relationship among the ocean current parameter, the sediment disturbance characteristic and the cable heat conduction parameter, forming an ocean current-sediment-heat conduction coupled digital twin model, and dynamically correcting a virtual scene of the cable burial depth in the model through a recursive filtering algorithm. Through combination of thermal field monitoring, digital twin modeling and intelligent intervention, accurate early warning and dynamic response of offshore wind power cable faults are realized, the operation and maintenance efficiency is improved, system self-optimization and cross-scene migration are supported, and the safety and intelligent level of cable operation are significantly enhanced.

The invention discloses a cable defect detection method of a binocular intelligent inspection robot, and relates to the field of image processing, and the method comprises the steps: firstly obtaining the state information of a cable, then carrying out the preprocessing and stereo matching of the image information of the cable, and then constructing a target detection and segmentation model; the target detection and segmentation model is adopted to detect and segment cable defects, and model sample data is updated in real time in an incremental learning mode; fusing the cable state information acquired by the infrared camera, the thermal imager and the wireless sensor network by using a multi-sensor data information fusion model; the cable is maintained and managed based on a detection result; according to the invention, the detection precision and accuracy can be improved, cables of different types and specifications can be handled, the adaptability and stability are ensured, and the real-time performance and accuracy of detection can be improved.

The invention belongs to the technical field of high-altitude wiring, and particularly relates to an auxiliary wiring device for an overhead cable, which comprises a bottom plate, a lifting mechanism and a top plate, the bottom plate is connected with the top plate through the lifting mechanism, the top plate is provided with a wire pulling piece and a guardrail, the guardrail is arranged at the top of the top plate, and the wire pulling piece is arranged at the bottom of the top plate. The two ends of the guardrail are provided with guiding pieces used for guiding the cable, the middle of the guardrail is further provided with a positioning mechanism and a bearing mechanism installed on the positioning mechanism and used for bearing and fixing the cable, and the bottom plate is further provided with a leveling mechanism used for leveling the bottom plate. According to the invention, the lifting mechanism cooperates with the action of the cable pulling piece, the two ends of a broken cable can be pulled to be close to each other, and the cable can be lifted to a specified height under the action of the lifting mechanism, so that the working intensity of workers is reduced, and the high-altitude wiring efficiency and quality are improved.

The invention discloses an optical cable state intelligent monitoring system and method, and belongs to the technical field of optical cable state evaluation, and the method specifically comprises the steps: collecting optical cable related data in real time, including the structural parameters and optical signals of an optical cable, and carrying out the preprocessing of the collected optical cable related data, calculating the state of an optical cable power transmission line according to the preprocessed optical cable related data, and evaluating the state of the optical cable power transmission line; multiple factors such as optical signal reflection intensity, optical cable structure parameters, environmental data and bending influence are combined to form a comprehensive overall state evaluation model, the overall state of an optical cable line can be evaluated more comprehensively by integrating multiple influence factors, adjustment and optimization can be carried out according to different lines, equipment and environmental conditions, and the overall state of the optical cable line can be evaluated more comprehensively. And the requirements in different scenes are met.

The invention relates to the technical field of cable processing, in particular to a cable threading device and process for wire and cable processing, the cable threading device comprises a base, an insulating layer, a cable core and a cooling assembly, the cooling assembly comprises four cooling supporting plates, a plurality of cooling balls, four annular cooling pipelines and four cooling units, and the insulating layer is output from an extruder and placed above the base; the cooling supporting plate moves, so that the cooling balls cling to the insulating layer; the cooling unit is used for cooling the cooling water; cooling water flows in the cooling supporting plate through the annular cooling channel to cool the cooling ball; the cooling balls are in contact with the insulating layer to achieve a cooling and shaping effect; therefore, the cooling balls are continuously cooled through the annular cooling pipeline, then the cooling balls make contact with the insulating layer which is continuously moved and conveyed, compared with air cooling, the cooling effect is remarkably improved, spraying water does not need to be used, and the risk that the insulating layer absorbs water and is damaged or performance is reduced is avoided.

The invention provides a fault signal detection system and an analysis positioning method, and relates to the technical field of signal detection. An injection module is used for periodically applying narrowband acoustic disturbance capable of adaptively selecting frequency and power to an optical cable sheath; the passive wireless label nodes arranged along the line collect multi-dimensional data such as arrival timestamps, amplitudes, frequencies, phases, local temperatures and the like in real time, and upload the data through near-field coupling. And the convergence module completes node identification association and batch aggregation, the analysis and construction module constructs an acoustic propagation path map, and after temperature difference segmentation compensation, an actual laying path is dynamically recovered by adopting a map search algorithm. And the projection and identification module maps the map to a geographic information system coordinate system and outputs a fault space position, thereby realizing real-time and accurate optical cable fault positioning under a topology-free prior condition, remarkably reducing manual inspection and misjudgment rates, and being suitable for a multi-branch and multi-repair long-distance communication or power optical cable scene.

The invention relates to the technical field of cables, in particular to a composite low-voltage power cable. In the long-term compression and impact process of the existing cable, the cable core structure is easy to deform and damage, the resistance of a conductor is abnormally increased, and the risk of power supply interruption is obviously increased. Comprising a protective sleeve, an armor layer is installed in the protective sleeve, and a plurality of supporting blocks and a plurality of cable cores are arranged in the armor layer; the protective sleeve is provided with a plurality of first cavities distributed at equal intervals in the circumferential direction, and the first cavities are used for providing a movement range for deformation of the protective sleeve and facilitating dislocation rotation of the inner side faces and the outer side faces of the first cavities in the deformation process. According to the invention, through the movement space provided by the first cavity, the extrusion of a heavy object is buffered, and the extrusion of the heavy object is guided to be staggered, so that the impact force borne by a cable core is reduced; and through a multi-layer composite structure formed by the protective sleeve and the armor layer, the use strength of the cable is improved.

The invention discloses a cable wrapping machine with a wrapping tape gap adjustment function and a cable thereof.The cable wrapping machine comprises a wrapping machine body, a rotating disc is rotationally installed on one side of the wrapping machine body, a pay-off device and an adjusting mechanism are fixedly installed on one side of the rotating disc, and the adjusting mechanism comprises a supporting bottom plate arranged on one side of the rotating disc; a detection assembly and an abutting assembly are arranged on one side of the supporting bottom plate, the detection assembly can detect pressure on the two sides of the wrapping tape, and the abutting assembly can adjust the wrapping tape when the wrapping tape inclines. According to the technical scheme of the invention, through the arrangement of the adjusting mechanism, when a wrapping gap is generated between a wrapping tape and a cable, the detection assembly can rapidly detect the generation of the wrapping gap through the difference between the pressures applied to the two ends of the tension roller, thereby driving the abutting assembly to operate to adjust the gap of the wrapping tape. Therefore, the working efficiency of the wrapping machine and the wrapping effect of the cable are improved.

The invention provides an optical cable line channel health degree assessment method for an electric power communication network, and belongs to the technical field of health degree assessment, and the method specifically comprises the steps: determining the bearing conditions of communication data of different service types in different time periods according to the analysis results of the bearing communication data of an optical cable line in different time periods, and determining the health degree of the optical cable line channel through the bearing conditions. Determining matching bearing time periods of different service types, determining distribution change data of the matching bearing time periods of the service types on different dates, and determining health degree evaluation strategies of different service types of the optical cable line in combination with distribution data of problem communication equipment in associated communication equipment of the service types, and the channel health degree of the optical cable line is evaluated by using the health degree evaluation strategy, so that the evaluation efficiency of the channel health degree of the optical cable line is improved.

The invention relates to the technical field of cable line operation and maintenance, in particular to a cable fault diagnosis method and system based on quantum optimization variational mode decomposition and multi-scale evaluation, and the method comprises the steps: employing a quantum genetic algorithm to optimize the modal number and penalty factor of variational mode decomposition through a multi-target fitness function; constructing a multi-scale evaluation system fusing time domain, frequency domain and wavelet domain features, and screening an optimal modal component; and carrying out multi-feature fusion wave head calibration on the optimal modal component to calibrate the arrival time of the wave head, and realizing accurate positioning of a fault point in combination with a double-end traveling wave method. According to the method, the ranging error can be effectively reduced under the conditions of high transition resistance and low signal-to-noise ratio, the robustness and engineering applicability of cable fault diagnosis are improved, and the problems of attenuation distortion of fault traveling wave signals and difficulty in wave head calibration under the conditions of strong noise and high transition resistance are solved.

The present invention relates to the technical field of image analysis, and specifically relates to a method and system for detecting the cross-section of a building power supply and distribution cable core. First, the present invention obtains an image of the cable core cross-section, extracts the cable core area, determines the reference conductor after edge detection of the cable core area; further uses the cusp points to segment the edge line to obtain the internal contour and the external contour; further analyzes the deformation characteristics exhibited by the contour, combines the distribution characteristics of the internal and external contours, obtains the stress level of the matched internal contour, inputs it into a machine learning model, and obtains the inferred contour of the outermost conductor; iteratively obtains the inferred contours of all conductors, and finally evaluates the quality of the cable according to the inferred contours of all conductors. By analyzing the stress characteristics and deformation characteristics of the conductor, the present invention accurately infers the contour of the conductor, avoids the interference of blurred boundaries between conductors, and thus accurately detects the quality of the cable.

The invention discloses an online monitoring and positioning device and method for an electricity stealing point of a buried cable line, and belongs to the technical field of daily operation and maintenance of underground cables commonly used in a power distribution network. The on-line monitoring and positioning method comprises the following steps: connecting a cable line with the on-line monitoring and positioning device, collecting and processing a feedback signal, and positioning an electricity stealing position. The online monitoring and positioning device comprises a controller, a host, a sine carrier module, a pulse width modulation module, a multiplier, an incident terminal, an incident signal coupler, a detection reference module, a feedback processing module, a mathematical calculation module, a receiving terminal and a receiving signal coupler. According to the method, the problem of electricity stealing in the line can be reflected more accurately and quickly, the position of the electricity stealing point can be judged more accurately and quickly in an iteration and comparison mode, accurate searching of the electricity stealing point of the buried cable line in practice is facilitated, and manual operation time and workload are reduced.

The utility model discloses a wear-resistant flame-retardant photovoltaic cable which is high in structural strength, good in flame retardant property, wear-resistant, corrosion-resistant and aging-resistant. Comprising a cable body, a plurality of groups of cable cores are arranged in the cable body, an anti-bending block is arranged in the center of the cable body, the cable cores are arranged around the anti-bending block in a surrounding mode, and a reinforcing sheath, a flame-retardant sheath, a wear-resistant sheath and an ultraviolet-proof layer are sequentially arranged on the outer side of the cable body. And the ultraviolet-proof layer is an ultraviolet-proof coating which is coated on the outer surface of the wear-resistant sheath.

The invention discloses a high-voltage cable line parameter extraction method and system based on online monitoring. The high-voltage cable line parameter extraction method comprises the steps of listing a multi-conductor transmission line equation containing a relation between voltage phasors and current phasors at the two ends of a cable based on a multi-conductor transmission line theory; multiple groups of cable operation data are collected at the two ends of the cable, and moments with different load amplitudes are selected for each group of cable operation data; reducing orders of a chain parameter matrix in the multi-conductor transmission line equation and the voltage phasor and the current phasor of the head end of the cable to obtain a multi-conductor transmission line equation after order reduction; substituting the acquired cable operation data into the multi-conductor transmission line equation after order reduction, and solving a chain parameter matrix after order reduction through matrix operation; and solving the length of the cable line by using the chain parameter matrix and the chain parameter matrix after order reduction. According to the method, the calculation precision of the theoretical value of the sheath circulating current is improved, and the misjudgment rate and the missed judgment rate based on online diagnosis of the sheath circulating current are reduced.

The invention relates to the field of cable manufacturing, in particular to a cable. The invention provides a cable which comprises an outer sheath, a buffer layer, an inner sheath, a filling layer and at least one core wire, the core wire is arranged in the inner sheath, and the filling layer is used for filling a gap between the core wire and the inner sheath; the buffer layer is arranged between the inner sheath and the outer sheath; wherein the buffer layer is provided with an inductor assembly, and the inductor assembly is used for receiving at least one of an external pressure signal and a sound wave signal, so that the buffer layer can intelligently respond according to the pressure signal and / or the sound wave signal to protect the cable, the protection strength is improved, the service life is longer, and the light weight effect is achieved.

The invention relates to the field of power systems, in particular to a power cable cross interconnection grounding system live-line maintenance method and system. The method comprises the following steps: firstly, synchronously acquiring cable line load current, three-phase grounding ring current and grounding resistance at the head end and the tail end of a metal sheath of a crossed interconnection unit with ring current abnormity, and generating a real-time data set with a timestamp; extracting cable structure parameters based on a preset cable topology database, and dynamically associating the cable structure parameters with the real-time data set; constructing a multi-conductor transmission line equation model, calculating a theoretical circulation distribution value of each section of sheath, and generating a theoretical circulation map; carrying out matching analysis on the theoretical circulation map and actually measured circulation data, and determining defect types and positions; and finally, according to a defect positioning result, the maintenance operation is executed in an electrified state through the insulating mechanical arm, and the stability of the grounding impedance of the system is maintained through the bypass grounding device. The problems that in the prior art, the live detection function is incomplete, and defects cannot be rapidly and accurately positioned are solved.

The invention discloses a cable early fault rapid detection method based on finite element analysis, and relates to the technical field of cable fault detection, and the technical scheme is characterized in that the method comprises the following steps: marking a cable line section with an insulation performance abnormal condition as a to-be-detected section, and selecting a main detection cable section and an auxiliary detection cable section from the to-be-detected section; according to the historical fault feature data and the to-be-detected insulation parameter data of the main detection cable section, performing fault type judgment on the main detection cable section to obtain a main detection fault type judgment result; processing and analyzing the main detection cable section, the auxiliary detection cable section and the historical fault feature data, and then formulating a first fault detection scheme; and a second fault detection scheme is formulated after the main detection fault type judgment result and the main detection cable section are processed and analyzed, so that various faults existing in different sections can be effectively handled, and the detection comprehensiveness is guaranteed.

The invention relates to the technical field of cable processing, and particularly discloses a cutting device for cable processing, comprising a base; the top surface of the base is provided with a cutting frame through which a cable can pass; a first air cylinder is arranged on the cutting frame; the output end of the first air cylinder is provided with a cutter capable of cutting a cable. A clamping seat located on one side of the cutting frame is slidably mounted on the top face of the base. A groove is formed in the side wall, close to the cutting frame, of the clamping seat; a pressing mechanism capable of pressing and fixing the cable is arranged on the inner wall of the groove; a driving mechanism capable of driving the clamping seat to move so as to adjust the distance between the clamping seat and the cutting frame is arranged on the top surface of the base; the cable penetrates through the cutting frame and then is installed on the clamping base in a clamped mode, the driving mechanism drives the clamping base to pull the cable to move so as to achieve adjustment of the cutting length, the cable is automatically cut off through the cutter after the cutting length is adjusted, and fixed-length cutting work of the cable can be conveniently achieved.

The invention relates to the technical field of cable processing, in particular to an electric wire and cable processing device and technology.The electric wire and cable processing device comprises a base, a rotating unit, a protection roll, an electric wire base, a wire core and a mounting assembly, the mounting assembly comprises a U-shaped base, two lower pressing blocks, two shifting plates, two linkage mechanisms and two cross magnets, and the protection roll is placed in a placing groove; meanwhile, the lower pressing block is pressed downwards, the cross-shaped magnet is driven to enter the cross-shaped clamping groove of the protection roll through the linkage mechanism, and rapid installation of the protection roll is completed; the wire core is placed on a wire seat to be conveyed; after the protection roll is used up, the shifting plate is shifted to drive the linkage mechanism to operate; the cross-shaped magnet is separated from the cross-shaped clamping groove; therefore, when the protection roll is installed, the lower pressing block is jacked, the cross magnet can be driven by the linkage mechanism to complete fixation of the protection roll, meanwhile, only the shifting plate needs to be pressed during unlocking, and then rapid installation and disassembly of the protection roll are achieved.

The invention relates to the technical field of cable processing, in particular to a cutting device for cable production, which comprises a processing table, two fixed seats are symmetrically arranged on the processing table, a plurality of fixed conveying shafts are rotatably connected to the fixed seats, movable conveying shafts are arranged on the fixed seats, and a fixed frame is fixedly connected to the processing table. The fixed frame is provided with a cut-off tool, one side of the cut-off tool is provided with an adjusting mechanism, the fixed frame is rotatably connected with a swing seat, the swing seat is slidably and cooperatively provided with a section processing seat, and the section processing seat is rotatably connected with a transmission mechanism. By arranging the two adjustable limiting rings and the adjustable movable conveying shaft on the fixed conveying shaft, when the flat cables of different sizes are cut off, the flat cable conveying device is suitable for accurately positioning and conveying the flat cables, the flat cables are prevented from deviating or being twisted in the conveying and cutting-off process, and the machining precision and quality of products are guaranteed.

An aircraft wing having a fixed wing and a moveably mounted wing tip device is disclosed. A first cable harness and a second cable harness which are received in a protective sleeve extend between the fixed wing and the wing tip device. The protective sleeve is in a secured configuration in which at least two opposing parts of the protective sleeve are secured together between the first cable harness and the second cable harness to provide the sleeve with a first channel in which the first cable harness is received a second channel in which the second cable harness is received, and a webbing region extending between the first channel and the second channel such that the first and second cable harnesses are held apart by the webbing region.

The utility model relates to a cable stripping device for electric power engineering. Comprising a second mounting frame and a first mounting frame, and a clamping assembly is mounted on the first mounting frame; the clamping assembly comprises two sets of clamping jaw mechanisms and further comprises a clamping driving mechanism. A plurality of groups of sliding guide rods are fixedly connected to the second mounting frame, and a movable frame structure which is in sliding connection with the second mounting frame is arranged on the second mounting frame in a penetrating manner; a cutting assembly is mounted on the movable frame structure; the cutting assembly comprises a cylindrical shell structure, two groups of cutting mounting rods are elastically mounted in the cylindrical shell structure, a peeling cutter is mounted at the outer end part of each cutting mounting rod, and a limiting plate is mounted at the outer end part of each cutting mounting rod; the cutting adjusting mechanism is used for adjusting the distance between the two groups of cutting mounting rods; and an annular cutting driving assembly is mounted on the movable frame structure. According to the utility model, rapid girdling and peeling operation can be carried out on cables with different diameters, the cutting depth of the cutter can be adjusted according to the specifications and dimensions of the cables, the universality is strong, the peeling effect is good, and the cable girdling and peeling device has the advantages of convenient operation, time and labor saving, and wide application range.