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8681results about "Apparatus for overhead lines/cables" patented technology

Power distribution network overhead line risk refined early warning method and system

The invention discloses a power distribution network overhead line risk refined early warning method and system. The method comprises the following steps: collecting meteorological time sequence data and power distribution network topology and line parameter data; and preprocessing the data, and constructing a prediction data set. And establishing a fault probability prediction model based on the meteorological data and the line parameters. Calculating the fault probability by using the mathematical model, correcting the model, training in combination with static topology and dynamic meteorological data, and constructing a fault probability network model. And analyzing the importance of the nodes and lines of the power distribution network, and evaluating the load loss proportion of the nodes. And carrying out normalization processing on the importance indexes. And comprehensively calculating the predicted fault probability, the node loss load and the importance index to obtain a branch risk parameter. Fine early warning is carried out according to a set early warning threshold value, and dynamic adjustment is carried out to adapt to the actual operation condition. The method has the advantages that comprehensive risk assessment is provided, and the accuracy of fault prediction and the timeliness of risk early warning are improved.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Power transmission channel risk early warning assessment method and system

The invention discloses a power transmission channel risk early warning evaluation method and system, and relates to the technical field of power transmission channel abnormal condition early warning, and the method comprises the steps: analyzing the current waveform distortion degree caused by a nonlinear load in a power transmission line through monitoring the voltage harmonic distortion rate, and evaluating the influence of harmonic waves on the insulation aging and heating loss of the line and equipment; the real-time gradient of the temperature of the wire is analyzed, abnormal heating conditions of different sections of the wire are judged, and the abnormal rising degree of the temperature of the wire and potential thermal damage accumulation caused by overload and poor contact factors are evaluated; by monitoring and analyzing multi-dimensional indexes such as the voltage harmonic distortion rate, the lead temperature real-time gradient, the sag dynamic deviation rate and the corona discharge intensity, the defect of a traditional monitoring means in the aspect of abnormal heating risk assessment is overcome.
Owner:HOHHOT POWER SUPPLY BUREAU OF INNER MONGOLIA POWER GRP CO LTD +1

SAR (Synthetic Aperture Radar) small-scale target detection system and method based on deep learning

The invention discloses an SAR (Synthetic Aperture Radar) small-scale target detection system and method based on deep learning, and aims to solve the problems of low detection precision, inaccurate positioning and poor robustness of a small-scale target under a complex background. The system performs preprocessing through adaptive guided filtering and improved multi-scale local self-adaption to generate a high-quality candidate region; a content perception feature recombination network is combined with a lightweight multi-head attention converter and a dynamic deformable fusion unit, cross-level dynamic aggregation of shallow texture and deep semantics is achieved, and the small target perception ability is enhanced; a modified Bhattacharyya distance loss function is introduced to optimize bounding box matching, and the small target positioning precision is remarkably improved. In addition, the system adopts a multi-stage cascade detection architecture to gradually optimize candidate target screening and regression, and the recall rate is improved through weak target recovery and geometric consistency verification. The multi-source data fusion module combines polarization characteristics and optical image information to enhance the cross-modal detection capability.
Owner:QUJING POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTD

Power transmission line crimped pipe detection system, and method

A power transmission line crimped pipe detection system, and a method. The detection system comprises: a beam-type platform (25) and a detection robot (30). The beam-type platform (25) is connected to the detection robot (30) by means of a rope body and is arranged on a bundled conductor (23) to control the ascent and descent of the detection robot (30). The detection robot (30) comprises: a robot body (65), a rotating mechanism connected to the robot body (65), and a detection mechanism, the rotating mechanism being connected to the detection mechanism. The detection robot (30) is configured to change the relative position between the detection mechanism and the robot body (65) by means of the rotating mechanism, so as to perform balance control during processes of climbing up and down a line and during detection processes.
Owner:STATE GRID INTELLIGENCE TECHNOLOGY CO LTD

Unmanned aerial vehicle-based electric power patrol inspection control method and system

The present invention provides an unmanned aerial vehicle-based electric power patrol inspection control method and system. The method comprises: creating a flight path on the basis of an electric power patrol inspection area, and collecting images and position information of electric power devices by means of various types of devices carried by an unmanned aerial vehicle, the images and the position information being transmitted to a receiving terminal at a ground station in a wireless transmission mode; the ground station receiving the images and the position information that are collected in real time, processing and analyzing the images to obtain analytic status, such as defects, damage and corrosion, of the electric power devices; and, on the basis of the analytic status from the ground station, using the position information as distinguishing features to generate an electronic patrol inspection report, providing service lives, maintenance costs and maintenance measures of the electric power devices on the basis of the electronic patrol inspection report, and notifying maintenance staff of the position information of the electric power devices. The system comprises an unmanned aerial vehicle control module, an image processing and analysis module and an electronic patrol inspection report generation module. The present invention is of great significance to maintenance and management of electric power devices.
Owner:THREE GORGES HI TECH INFORMATION TECH CO LTD

Anti-freezing system based on Internet of Things monitoring and method thereof

The invention discloses a power transmission line anti-freezing system and method based on Internet of Things monitoring, and the system comprises an environmental parameter monitoring module, a data collection and transmission module, an intelligent data processing and analysis module, an early warning system module, a remote monitoring and management module, and a system management and maintenance module. Environmental parameters related to power transmission safety are collected in real time through sensors deployed at all nodes of a power transmission line, and the environmental parameters specifically comprise a temperature sensor unit, a humidity sensor unit, a wind speed sensor unit and a current load monitoring unit; environmental parameters around the power transmission line are monitored in real time through various sensors, data acquisition, transmission and processing are performed by using the Internet of Things technology, the environmental data are analyzed through an intelligent algorithm, the icing risk of the power transmission line is accurately judged, and efficient and intelligent anti-freezing monitoring comprehensive management is realized.
Owner:BAISHAN POWER SUPPLY COMPANY OF STATE GRID JILIN ELECTRONICS POWER COMPANY

Intelligent stretching machine control analysis system for tension stringing construction

The invention provides an intelligent stretching machine control analysis system for tension stringing construction, and relates to the field of power transmission line stringing construction and automatic control. According to the invention, the data acquisition module is used for acquiring the multi-dimensional data of the operation of the stretching machine in real time, the data transmission module transmits the multi-dimensional data to the data terminal and the data processing module, the data processing module processes the received data, and a Markov chain model is used for carrying out depth feature analysis, so that the accuracy of the deep feature analysis is improved. According to the method, the fault risk prediction is carried out, the corresponding early warning operation is carried out according to the prediction result, an accurate braking scheme is given, the wiring construction progress is prevented from being influenced by blind braking or delayed braking, and by integrating various technologies and combining real-time data acquisition, data processing and visual fault analysis, the wiring construction progress is ensured. Comprehensive monitoring and intelligent management of the construction process of the stretching machine are achieved, the operation state of equipment can be monitored in real time, potential faults can be warned in advance, and construction efficiency and safety are improved.
Owner:JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD +1

X-ray flaw detection system based on high-voltage overhead line maintenance

The invention discloses an X-ray flaw detection system based on high-voltage overhead line maintenance, which belongs to the technical field of overhead transmission line detection and comprises a high-voltage pulse power supply module, an X-ray emission module, an X-ray imaging plate module, an image processing module, a positioning compensation module, a wireless communication module, a high-voltage insulation module and a data analysis module. According to the invention, the detection precision can be improved, manual intervention is reduced, and the purpose of safely and efficiently detecting the high-voltage overhead line is achieved.
Owner:SHAANXI QINNENG POWER TECH CO LTD

A cable fault early warning method and system based on GIS

The present invention relates to the field of cable fault early warning technology, and in particular, to a cable fault early warning method and system based on GIS. The present invention solves the problem of how to use a GIS system to accurately identify potential faulty cables in a stacked line and improve the accuracy of early warning. To solve the above problem, the present invention provides an early warning method, including: obtaining a location image and working information of a cable line according to a GIS system; determining a historical fluctuating voltage within a historical monitoring period according to the working information, and predicting a theoretical fluctuating voltage according to future meteorological data and the historical fluctuating voltage; recording a historical maximum voltage within a historical monitoring period as a voltage fluctuation threshold; correcting the voltage fluctuation threshold according to the operating conditions and location image of the cable line to obtain a corrected threshold; judging whether the cable line meets early warning conditions according to the rated voltage, the theoretical fluctuating voltage and the corrected threshold; and modifying the early warning conditions according to the corrected voltage and the corrected threshold.
Owner:NINGBO YONGYAO ELECTRIC POWER INVESTMENT GRP CO +1

Multi-modal data fusion power transmission line digital twinning real-time monitoring system and method

The invention relates to the technical field of power transmission line monitoring, in particular to a multi-modal data fusion power transmission line digital twinning real-time monitoring system and method, and the system comprises a data collection module which is responsible for collecting optical images, environment characteristic data, current waveform data and point cloud data, and transmitting the data to a digital twinning module; the digital twinborn module constructs a three-dimensional digital twinborn body of the power transmission line, fuses the multi-modal data through a graph neural network and an attention mechanism, generates multi-modal fusion features, establishes a dynamic correlation model of conductor temperature-sag-current-carrying capacity based on the features, and transmits the dynamic correlation model to the online monitoring module; the on-line monitoring module fuses real-time collected data and historical data, analyzes the line state, generates multi-level early warning information and outputs a line state analysis result and fault prediction information, the system adopts an innovative data fusion method, the sensitivity and accuracy of fault detection are improved, and the operation safety and efficiency of the power transmission line are improved.
Owner:NINGBO TRANSMISSION & DISTRIBUTION CONSTR

Automatic direction change pendulum-type rotary drive gear ratchet tensioner for indirect live wire with unlimited tension distance control and indirect live wire non-power distribution method using same

Provided is a gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method and, more specifically, to an automatic direction switching pendulum-type rotary drive gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method using the same, wherein the automatic forward or reverse rotation of a roller shaft can be carried out by simply operating a rotary lever using a stick for indirect live wire, and accordingly, indirect live wire work from the wire in the live wire condition enables safe wiring work such as wire electric dip adjustment work, electric wire installation work, and suspension insulator replacement work, etc. and the roller shaft is formed to be driven by a backstop ratchet ring operated by a multi-angle bundle pearl to strongly prevent a reverse direction and prevent backlash during a reverse rotation driving process to enable strong rotation driving.
Owner:DAEWON ELECTRIC CO LTD +1

Method and system for processing route planning data for electric power line inspection

The invention discloses a method and a system for processing route planning data for electric power line inspection. The method comprises the following steps: acquiring line distribution and topographic feature data; gridding the power network region, determining the patrol priority, and generating a region priority sequence; the overall patrol task is decomposed, a plurality of task subsets are generated, one task is allocated to each unmanned aerial vehicle, and each task subset comprises an initial position and a target line section; generating an initial route path based on the topographic features; comprehensively analyzing all initial paths, identifying potential airspace intersections and performing conflict prediction, and generating a conflict-free route path set by performing height hierarchical adjustment on related paths; and calculating predicted flight time and energy consumption of each unmanned aerial vehicle, redistributing boundary tasks according to a load balancing principle, and finally generating a balanced multi-unmanned aerial vehicle cooperative route scheme. According to the method, the safe and efficient multi-machine collaborative inspection route can be automatically generated through systematic task decomposition, conflict prediction and load balancing optimization.
Owner:GANSU TRANSMISSION & DISTRIBUTION ENG CO

Overhead ground wire uninterrupted ice melting automatic segmentation method and system and storage medium thereof

The invention provides an overhead ground wire uninterruptible ice melting automatic segmentation method and system and a storage medium, and the method comprises the following steps: constructing an ice melting evaluation model based on the environment conditions and structure parameters of a power transmission line, and judging whether an ice melting device has enough output capability or not; if the output capability of the ice melting device is not enough to cover the whole ground wire for ice melting, constructing a plurality of segmentation configurations at the sectionable tower, generating a candidate segmentation scheme set, and performing electrical parameter calculation on each candidate segmentation scheme; taking minimization of the number of segments and minimization of ice melting energy consumption as double targets, adopting a multi-target genetic algorithm to carry out iterative evolution on the candidate segment scheme set, and screening out a Pareto optimal solution set meeting the capacity of an ice melting device and line safety constraints; and selecting the optimal segmentation configuration meeting the uninterrupted ice melting requirement from the Pareto optimal solution set, and outputting the optimal segmentation configuration. According to the invention, good lightning protection performance and economical efficiency can be taken into account under the condition of live ice melting without power failure.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO +4

Deicing effect evaluation control method and device based on infrared image analysis

The invention relates to a deicing effect evaluation control method and device based on infrared image analysis. The method comprises the steps that a first infrared image of a power transmission line located in front of deicing equipment and a second infrared image of a power transmission line located behind the deicing equipment on each power transmission line are acquired; training based on the historical first infrared image and the second infrared image to obtain a convolutional neural network model for judging the deicing effect of the power transmission line; obtaining a deicing evaluation result and residual ice coverage thickness by using the trained convolutional neural network model; and controlling the deicing equipment to perform deicing operation based on the deicing evaluation result. According to the method, the deicing effect of the deicing equipment on the power transmission line can be evaluated by using the infrared image, so that the deicing equipment is controlled to circularly operate or advance to operate, automatic deicing operation of the deicing equipment on the power transmission line is realized, and the deicing effect is ensured.
Owner:BEIJING NELDA TECH CO LTD +1

Blocking quality control method and system based on blocking robot

The invention relates to the technical field of automation control, in particular to a blocking quality control method and system based on a blocking robot, and the method comprises the steps: carrying out the filtering of original tension data of a power line in a vibration environment, and obtaining the tension filtering data; obtaining a wire expansion amount according to the wire surface temperature data; controlling the tension to return to a preset tension range according to the wire expansion and contraction amount and the tension filtering data, acquiring tension distribution data of each network cable fixing point on the power line after tension control is completed, and simulating by using a finite element analysis method to obtain a network cable fixing state simulation result; determining a network blocking quality optimization compensation parameter based on the network cable fixed state simulation result and the tension fluctuation data in the network blocking operation process; and performing adaptive regulation and control on the operation parameters of the network blocking robot based on the network blocking quality optimization compensation parameters. According to the method, through technologies such as finite element analysis, stable and efficient wire blocking under the vibration environment and the temperature change is realized, and the safety of power grid operation is ensured.
Owner:WENZHOU ELECTRIC POWER CONSTR CO LTD +2

Electric power monitoring device for energy storage power station

The invention discloses an electric power monitoring device for an energy storage power station, the electric power monitoring device is installed on an electric power support rod, the electric power monitoring device comprises a rack, the right side of the rack is welded with a fixing plate, the fixing plate is in a semicircle shape capable of surrounding the electric power support rod, the rack is provided with a clamping mechanism, and the clamping mechanism clamps the fixing plate on the electric power support rod; the top end of the rack is fixedly connected with a top plate through a second connecting rod, a rotating mechanism is arranged on the top plate, the rotating mechanism is connected with a rotating rod to drive the rotating rod to rotate, the top end of the rotating rod is fixedly connected with a mounting plate, and a freely telescopic cylinder is mounted on the mounting plate; a lifting mechanism is mounted at the tail end of the barrel and connected with the camera to drive the camera to move up and down; the rack is also provided with a solar cell panel, and the solar cell panel is used for storing energy and providing power for the electric power monitoring device. The power monitoring device is convenient to install and can comprehensively monitor the high-voltage lines installed on the two sides of the power support rod.
Owner:TECH TRAINING CENT OF STATE GRID HUBEI ELECTRIC POWER CO LTD +1

Ground wire multi-machine synchronous traction pay-off scheduling method and system

The invention discloses a ground wire multi-machine synchronous traction pay-off scheduling method and system, relates to the technical field of high-voltage transmission line construction, and is used for solving the problem of insufficient multi-machine real-time tension synchronization precision in the existing method. A tension sensor and a speed sensor which are arranged on each traction device collect a tension value, a traction speed value and position coordinate data of a ground wire in real time, and transmit the data to a central scheduling controller; establishing a multi-machine unified time synchronization reference and tension reference model, calibrating a timestamp through a GPS module, and initializing a threshold value based on historical parameters; comparing tension values one by one to calculate a deviation vector sequence; activating a compensation algorithm to execute a speed fine adjustment and tension compensation instruction; iteratively calculating the feedback adjustment value until the deviation is stable; and integrating the synchronous data to the overall paying-off scheduling model to dynamically update the path planning and speed curve. According to the method and the system, the problem of insufficient multi-machine real-time tension synchronization precision in the prior art is effectively solved.
Owner:STATE GRID GANSU ELECTRIC POWER CORP

Overhead power cable spacer device

The present invention describes an overhead cable spacer device for coupling and keeping them separate from each other. The spacer device has a spacer body and at least four spacer arms coupled to the spacer body. Each of said at least four spacer arms includes an entering portion to receive the overhead cables and at least two retaining elements. One of said at least four spacer arms comprises a hole in its upper portion in which a mechanical rod is coupled in order for the spacer device to be installed from the ground, and a retaining element allows the coupling of the overhead cable, by means of pressure, and the other retaining element prevents the uncoupling of the overhead cable.
Owner:ATP TRADING S AS

Crosslinked polyethylene insulated cable overhead installation device

The invention relates to the technical field of cross-linked polyethylene cable accessories, and discloses a cross-linked polyethylene insulated cable overhead installation device which comprises a wire supporting rod, a hoisting steel cable, a cross-linked polyethylene insulated cable and a driving assembly, the driving assembly comprises a steel cable clamping block and a cable clamping block, and a steel cable pulley and a cable pulley which are vertically symmetrical are arranged in the driving assembly; a pushing assembly is arranged at the top of the steel cable clamping block and comprises a supporting transverse plate, a first telescopic rod, a rectangular frame, an upper supporting rod and a lower supporting rod, and locking clamps are sleeved outside the supporting transverse plate, the first telescopic rod, the rectangular frame and the upper supporting rod. When the driving assembly is pulled, the roller encoder measures the distance and controls the distance; the pushing assembly drives step by step, the steel cable clamping blocks are fixed firstly, then the cable clamping blocks are pushed by the same distance and then fixed, the clamps are pulled in a matched mode to be tightened, the device achieves accurate control over the distance between the clamps and the looseness of the cables, the cables are prevented from being too loose and abraded or too tight and damaged, the water blocking function is protected, the line stability is improved, and the operation and maintenance cost is reduced.
Owner:RUIYANG GRP NORTHWEST CABLE CO LTD

Power transmission line crossing frame device

The invention discloses a power transmission line crossing frame device, and the device comprises a wiring unit which comprises a protection net which is disposed below a power transmission line and is used for protecting the power transmission line; the lifting units are arranged at the lower ends of the stringing units, located on the two sides of the road and used for conducting lifting adjustment on the stringing units; and the supporting unit is mounted on the ground and used for positioning the bottom of the lifting unit. The driving motor drives the winding roller to wind the protective net, the air cylinder is controlled to drive the shear type lifting frame to contract downwards, the shear type lifting frame drives the first supporting table and the second supporting table to descend to the initial position, finally, the fastening nails are pulled out, the rotary supporting arms are folded, the dismounting and mounting process is simple and rapid, and the mounting period is short.
Owner:华能陇东能源有限责任公司 +2

Power transmission line inspection method based on image processing

The invention relates to the technical field of image data processing, in particular to a power transmission line inspection method based on image processing, which comprises the following steps of: shooting an image of each conductor of a power transmission line, extracting a conductor area in the image, and clustering pixel points in any conductor area by using an improved mean shift algorithm to obtain a clustering result; a plurality of clustering clusters are obtained through an improved mean shift algorithm, and whether defects exist or not is judged according to the ratio of the number of pixel points in each cluster to the total number of pixel points in the wire area; when the ratio exceeds a set threshold value, judging that a defect exists in the lead area of the section corresponding to the pixel points in the clustering cluster; wherein the improved mean shift algorithm comprises the adjustment of bandwidth, so as to better adapt to the complexity and diversity of images. The problem that the accuracy is not high in the defect detection process of the power transmission line is solved.
Owner:SHAANXI BAONENGDA ELECTRONIC TECH CO LTD

Automatic pulley for overcoming obstacles during live working

The present invention relates to an automatic pulley for overcoming obstacles during live working, belonging to the technical field of power transmission line construction, comprising a suspension plate, wherein an inlet groove is provided on the lower side of one end of the suspension plate, an outlet groove is provided on the lower side of the other end of the suspension plate, a manned bracket is arranged on the lower side of the suspension plate, and two groups of obstacle overcoming driving mechanisms are arranged on the upper side of the suspension plate, a long rod is rotatably provided on one side of the suspension plate close to the outlet groove, a first clamping wheel cooperating with the power transmission line is rotatably provided on one end of the long rod, a short rod is rotatably provided on the other side of the suspension plate close to the outlet groove, a second clamping wheel cooperating with the power transmission line is rotatably provided on one end of the short rod, and a tension driving mechanism for simultaneously driving the long rod and the short rod to open and close is arranged on one side of the suspension plate. The present invention can enable the driving wheel to pass over obstacles on the power transmission line, and the obstacles can be passed over without stopping the pulley, thereby improving the use efficiency of the pulley.
Owner:HEFEI UNIV OF TECH +1

Parallel groove clamp installation tool for live-line live-line operation and use method

The invention, which relates to the technical field of power construction, discloses a live-line live-line operation parallel groove clamp installation tool and a use method thereof, and the tool comprises a support, a fastening assembly, a rotating assembly, a clamping assembly, a drainage wire pre-fixing assembly, a positioning assembly and a control assembly. A pin shaft eyebolt in the spring pin shaft mechanism is pulled open and released, so that a pin shaft enters a circumferential positioning hole of a flange, angle adjustment of an insulating rod and an installation tool is achieved, the operation requirements of different working angles are met, the pre-tightening mechanism is driven through the elastic pipe clamp and the steering engine, pre-fixing and releasing of a drainage wire are achieved, and the working efficiency is improved. Through the fixed end guide rail and the movable end guide rail, positioning and guiding of the transmission conductor are realized, the transmission conductor is accurately guided into the parallel groove clamp, and the reliability of installation operation is effectively ensured.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Rapid maintenance method for distribution line

The invention discloses a rapid maintenance method for a distribution line, and relates to the technical field of electrical variable measurement, and the method comprises the steps: transmitting a multi-frequency electromagnetic wave to the distribution line through a multi-frequency electromagnetic wave detection device, receiving an echo signal, and extracting the electromagnetic characteristic data of the line; performing hierarchical analysis on the electromagnetic characteristic data to generate a fault preliminary report; based on the characteristics of the fault preliminary report and the echo signal, constructing a three-dimensional fault positioning map, and outputting fault positioning data; based on the repair suggestion report, utilizing an electric field to guide liquid metal to flow to the fault point, and performing filling and curing repair on the fault area; after repairing is completed, secondary detection is carried out on the repairing area and the adjacent area through multi-frequency electromagnetic waves, and the operation characteristics of the repairing point and the adjacent area are verified; according to the method, the electromagnetic characteristic data is extracted by using the echo signals, the three-dimensional fault positioning map is generated, the spatial position, geometric characteristics and material distribution of the fault point are accurately identified, and accurate support is provided for repair.
Owner:HUAXING (TIANJIN) ENG TECH CO LTD

Unmanned aerial vehicle intelligent inspection method and system combining three-dimensional point cloud modeling and route planning technology

The invention provides an unmanned aerial vehicle intelligent inspection method and system combining a three-dimensional point cloud modeling and flight path planning technology. The system comprises a data acquisition module, a data processing module, a platform uploading module, a three-dimensional point cloud modeling module, a flight path planning module and a task execution module. By combining the three-dimensional point cloud modeling and flight path planning technology, the whole process is automatic, a closed loop is formed from data acquisition to flight path generation, manual intervention is reduced, automation, refinement and intelligentization of unmanned aerial vehicle routing inspection are achieved, and the routing inspection efficiency and safety are remarkably improved. The method has the advantages that point cloud data is processed through a pre-constructed point cloud data processing model, the quality of the point cloud data is improved, sub-centimeter-level modeling is realized in combination with a BIM technology, the precision of three-dimensional point cloud modeling is high, track planning is based on real three-dimensional geometry, and fine inspection is supported. And through data storage of different file types, the transmission processing efficiency is improved, the space information of the three-dimensional point cloud is fully utilized in the route planning, and refined inspection is supported.
Owner:STATE GRID SICHUAN YAAN ELECTRIC POWER (GRP) CO LTD MINGSHAN DISTRICT POWER SUPPLY BRANCH +1

A multi-angle detection robot and method for detecting multi-split tension clamps

This invention relates to the field of conductor inspection technology, specifically disclosing a multi-angle detection robot and method for detecting multi-split tension clamps. The robot includes a cable routing mechanism, a lifting and adjusting mechanism, a spacing adjusting mechanism, and a detection mechanism. During detection, the x-axis drive device of the detection mechanism moves the mounting plate to the side of the frame. A first rotation module drives a right-angle frame to rotate around the z-axis to unfold the swing arm. A second rotation module deflects the swing arm to align the X-ray source and imaging plate with the target clamp. Combined with a third rotation module to fine-tune the imaging plate angle and a linear drive device to adjust the spacing, multi-angle imaging accuracy is ensured. The robot can also reverse direction, enabling the detection of tension clamps at both ends of a multi-split conductor tower in a single setup, improving efficiency. Compared to traditional devices, this application achieves continuous detection of multi-split clamps through multi-degree-of-freedom unfolding and adaptive adjustment, significantly improving detection efficiency. Furthermore, its compact structure adapts to complex high-altitude environments.
Owner:GUANGDONG CROWNPOWER ELECTRIC POWER SCI & TECH DEV CO LTD

Flexible cable hanging and picking device for 10 kV bypass bridging and use method of flexible cable hanging and picking device

The invention discloses a flexible cable hanging and picking device for 10 kV bypass bridging and a use method thereof, and belongs to the technical field of bypass operation, the flexible cable hanging and picking device for 10 kV bypass bridging comprises a bypass cable fixing hanging plate device, a bypass cable traction locking device and a bypass hanging and picking tool quick-change device; the bypass cable fixing hanging plate device is used for fixing a bypass cable head, and the bypass cable traction locking device is used for pulling a whole formed by the bypass cable fixing hanging plate device and the bypass cable head and is in transmission fit with the bypass cable fixing hanging plate device. According to the invention, traction and locking of the flexible cable for 10kV bypass bridging can be realized in a full-automatic manner, and the main cable base instead of the bypass cable head can still bear most weight after traction in place, so that the operation efficiency is improved, in addition, manual traction of the bypass cable is not needed, and the labor intensity of workers is reduced. The physical exhaustion of the operating personnel is greatly reduced; and the safety of the operating personnel is ensured.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD CHANGZHOU BRANCH

Unmanned aerial vehicle inspection device and inspection method

The invention discloses an unmanned aerial vehicle inspection device and method, the unmanned aerial vehicle inspection device comprises an unmanned aerial vehicle, a laser ranging camera, a holder, a telescopic device and an ultrasonic detection device, the telescopic device is installed on the unmanned aerial vehicle, and the ultrasonic detection device is connected with the telescopic device through the holder. The laser ranging camera is connected with the first end of the unmanned aerial vehicle through the holder, and the laser ranging camera and the ultrasonic detection device are both located below the unmanned aerial vehicle. The invention belongs to the technical field of unmanned aerial vehicles, and aims to solve the problem that in the prior art, iron tower inspection cannot inspect the nut loosening condition. The technical effects are that the anti-loosening condition of the nut can be reliably and accurately detected, the loosening condition of the nut can be timely detected, and the stability of an iron tower can be guaranteed.
Owner:CHINA TELECOM CONSTR 1ST ENG CO LTD

Anti-icing paint coating device for power transmission line

The utility model relates to the technical field of paint, in particular to a power transmission line anti-icing paint coating device which comprises a device frame, a raw material roller of a power transmission line and a product roller of the power transmission line are installed on the device frame, and the raw material roller is used for winding the power transmission line without a coating. The product roller is a roller which is wound to form a coating power transmission line, the power transmission line forms a coating route from the raw material roller to the product roller, the coating route from the raw material roller to the product roller is from back to front, and a rear low-temperature chamber and a front spraying chamber are mounted on the device frame. The low-temperature chamber is provided with a low-temperature chamber inlet and a low-temperature chamber outlet, the spraying chamber is provided with a spraying chamber inlet and a spraying chamber outlet, the coating route penetrates through the low-temperature chamber and the spraying chamber, and the low-temperature chamber is provided with a temperature adjusting component which is a first temperature adjusting component.
Owner:HENAN YONGKE INTELLIGENT POWER EQUIP CO LTD

Power transmission line power inspection robot and control method thereof

The invention discloses a power transmission line power inspection robot and a control method thereof. The power transmission line power inspection robot comprises a left climbing arm and a right climbing arm. Angle opening and closing mechanisms are arranged in the middles of the left climbing arm and the right climbing arm; auxiliary arms are arranged on the left climbing arm and the right climbing arm; the bottom of the left climbing arm and the bottom of the right climbing arm are each provided with a composite clamping jaw body, and each composite clamping jaw body is provided with an electromagnetic clamping jaw and two mechanical clamping jaws. The method further comprises the control steps of S1 to S6 and the like. According to different position distances between the foot pin and the inspection robot, a specific control algorithm is combined, and two clamping modes of the mechanical-electromagnetic composite clamping jaw can be distinguished according to whether the foot pin can be grabbed or not, so that different climbing and grabbing modes are adopted to cope with different distances between the inspection robot and the foot pin; energy consumed by the inspection robot in the climbing inspection process is saved, and the endurance and efficiency of the inspection robot in the inspection work are improved.
Owner:SICHUAN UNIV