657 results about "Power tower" patented technology

The invention provides an RFID-based power supply management method for a tilt angle sensor of a power tower, and the method comprises the steps: employing a support vector machine and a decision tree, analyzing the historical operation data of the tower, building a tower fault prediction model, predicting the state of the tower through the tower fault prediction model, and obtaining the fault probability and time of the tower; according to a tower fault prediction result, a preventive maintenance plan is made, priority maintenance is arranged for the tower with the fault probability larger than a preset threshold value, and a power supply strategy is adjusted in advance for the tower predicted to have a fault, and load pressure is reduced; a tower group intelligent power supply management system is adopted, state information and a power supply strategy of a single tower are integrated into a whole power grid, the power supply load of each tower is dynamically adjusted through a load balancing algorithm, and for a tower in a dangerous state, the power supply load of the tower is reduced, and the load is transferred to a tower in a good state.

The invention relates to the technical field of state monitoring, and discloses a tower inclination state monitoring method and system. The method comprises the following steps: performing multi-field digital coupling modeling on an electric power tower to obtain a digital twinborn model and calculating an electrical load-structure response sensitivity matrix; collecting a multi-modal sensing characteristic data set including tower inclination angle time sequence data, insulator chain offset, tower body micro-vibration spectrum and foundation settlement gradient; performing time-delay correlation analysis on the electrical event and the structure response to obtain an electrical-structure mapping matrix; tensor decomposition processing is carried out through a multi-mode inclination feature fusion network, and tower inclination mode fingerprints are obtained; and carrying out abnormal separation processing on the tower foundation area, the connection area and the upper structure area, and outputting structural inclination and non-structural inclination judgment results. According to the invention, the accurate mapping relation between the electrical load and the structure response is realized, the false alarm rate is effectively reduced, and the accuracy and timeliness of early warning are improved.

The invention discloses a line planning method and system, and relates to the technical field of electric power line inspection. According to the line planning method, a plurality of feasible inspection paths are generated by obtaining a list of tasks to be inspected and three-dimensional coordinates of an electric tower and an inspection part of the electric tower, combining regional environment data, constructing a semantic knowledge graph and a spatial topological structure chart, determining an optimal path through evaluation, screening and analysis, and transmitting the optimal path to an unmanned aerial vehicle to execute an inspection task. According to the method, the flight state is monitored in real time, the abnormal condition is found in time, and the residual path is dynamically replanned in the inspection process, so that the smooth execution of the inspection task is ensured. The flight state and the environment interference of the unmanned aerial vehicle are monitored in real time, and the dynamic path is replanned according to the actual condition; according to the method, the flexibility and emergency response capacity of the inspection task are remarkably improved, the efficiency and safety of the inspection task are effectively improved by dynamically adjusting the path, and the adaptive capacity of the unmanned aerial vehicle in a complex environment is enhanced.

The invention discloses a Beidou-based electric power tower attitude change on-line monitoring method, which comprises the following steps: A, setting a tower attitude acquisition system, and respectively acquiring multi-source data of a tower in real time by using the tower attitude acquisition system; b, constructing a meteorological database; c, constructing a tower attitude analysis model; the tower attitude analysis model comprises a data acquisition and preprocessing module, a multi-source data fusion module, a comprehensive analysis module, a situation diagnosis and risk assessment module, an intelligent prediction module, an early warning decision module and a visualization and feedback module; and D, on the basis of the trained constructed tower attitude analysis model, acquiring multi-source data of the tower in real time by using a tower attitude acquisition system, and performing online monitoring on the attitude change of the power tower in combination with a meteorological database. According to the invention, the posture change of the power tower can be obtained more accurately, and further prediction and early warning are carried out on the posture change of the power tower in combination with historical and predicted environmental data.

The invention discloses a temperature and humidity monitoring and dehumidification integrated device for an optical cable connector box of an electric power tower, and relates to the technical field of electric power engineering, the temperature and humidity monitoring and dehumidification integrated device comprises an optical cable connector box body, and a controller is arranged on the outer surface of the optical cable connector box body close to the edge of one side. According to the temperature and humidity monitoring and dehumidification integrated device for the optical cable connector box of the electric power tower, when saturated silica gel enters the communicating pipe, moisture in the silica gel is evaporated out by heating the silica gel, and is discharged through the air outlet pipe until the moisture in the silica gel is completely discharged; when silica gel needs to be added into the optical cable connector box body again for dehumidification, the electric push rod is started, the piston moves to the position, with the inner diameter larger than the outer diameter of the piston, in the drainage tank, and then the silica gel moves to the interior of the limiting sleeve. Therefore, the interior of the optical cable connector box body can be dehumidified again.

The invention relates to an unmanned aerial vehicle inspection planning method and system for power fault feature perception, and relates to the field of route planning, and the method comprises the steps: obtaining data when a target power tower breaks down, dynamically adjusting a preset safety flight fence, marking key points, building an inspection planning constraint, and randomly planning an initial inspection route. According to the technical scheme of the invention, the technical problem that the unmanned aerial vehicle cannot effectively perceive the fault and dynamically adjust the inspection route and the safe flight fence during the power inspection of the unmanned aerial vehicle, resulting in insufficient inspection safety and effectiveness, is solved. The dynamic adaptation of the unmanned aerial vehicle inspection route to the fault is realized, and the inspection safety and effectiveness are improved.

The invention discloses a power construction progress intelligent management method and system, and the method comprises the steps: carrying out the periodic cruise according to a preset height measurement position through an unmanned plane, and collecting a video stream of iron tower construction in real time; identifying the current construction height based on the video stream, comparing the current construction height with a preset height threshold value, judging that a construction progress node is reached when any threshold value is reached, and generating a trigger signal; responding to the signals to obtain coordinates of corresponding installation monitoring points, and controlling the unmanned aerial vehicle to collect videos at fixed points; component installation state analysis is carried out on the fixed-point video, and an abnormal alarm is generated when the feature conformity is lower than a threshold value; marking the timestamps of the video clips corresponding to the thresholds, and associatively storing the timestamps to a construction progress node; and generating a visual progress interface based on the association result. Through unmanned aerial vehicle cruise acquisition, video analysis and data association technologies, quantitative management of the construction progress, accurate detection of the installation quality, full-dimension tracing of the process and safety risk prevention and control are realized, and the construction efficiency and safety of the electric power iron tower are remarkably improved.

The invention discloses a ground derrick and power tower coupling structure stress analysis method, and relates to the technical field of electric power engineering analys.The method comprises the steps that a load transformation matrix is constructed, dynamic loads are accurately decomposed in combination with the derrick installation inclination angle, and complex space load vectors collected by a sensor can be converted into complex space load vectors through the matrix; the method comprises the following steps of: converting into components with definite mechanical significance in axial direction, torsion and bending, clearly defining action forms of loads in all directions on a structure, and dynamically adjusting the weight of each load component based on a contribution degree quantization function and working condition self-adaptive weighting by taking stress response of a key part as a basis, the contribution degree function quantifies the component influence through the stress proportion, weighted calculation is carried out on related working condition parameters, the weighted stress of each component reflects the essential characteristics of the load and adapts to the real-time working condition, accurate and dynamic basic data are provided for subsequent stress analysis, and the complex stress of the coupling structure under multiple working conditions is accurately analyzed.

The invention belongs to the technical field of tower foot manufacturing, and relates to an automatic clamping device and method for a power tower foot. In the automatic clamping device, a clamping mechanism comprises two right-hand and left-hand trapezoidal lead screws, clamping jaws are movably installed on the right-hand and left-hand trapezoidal lead screws and located on the same horizontal plane, a driving mechanism comprises a driving motor and a cog belt assembly, a rotating shaft of the driving motor is connected with the cog belt assembly, and the cog belt assembly is in meshing transmission connection with the right-hand and left-hand trapezoidal lead screws. According to the automatic clamping method, the inclination angle of the clamping jaws is adjusted to be matched with the shape of a workpiece, the rotating shaft of the driving motor rotates forwards to control the forward and reverse thread trapezoidal lead screw to rotate, the clamping jaws automatically center and clamp the workpiece for welding, the rotating shaft of the driving motor rotates backwards after welding is completed, and the clamping jaws move outwards to loosen the workpiece. The clamping jaw can be controlled to automatically center and clamp a power tower foot workpiece, and the clamping accuracy is improved; and during feeding, balls of the bull eye bearings make contact with the workpieces, and the feeding and discharging efficiency of the workpieces is improved.

The invention relates to the technical field of electric power iron tower full-life-cycle carbon footprint accounting, provides an electric power iron tower full-life-cycle carbon footprint accounting method and system, and aims to solve the problems of low efficiency and poor accuracy of electric power iron tower full-life-cycle carbon footprint accounting in the prior art. The method comprises the steps that an electric power iron tower component library is constructed, and a design stage carbon accounting benchmark is generated in combination with a building information model, a steel model, a welding process and anti-corrosion coating parameters; capturing assembly installation deviation and splicing gaps in real time, calculating material loss caused by construction errors, and converting the material loss into carbon emission increment; loading data by using a digital twinning technology, adjusting a material loss early warning threshold value, and updating design data; based on the corrected data, icing load deformation and corrosion expansion in the operation and maintenance stage are analyzed, and a full-life-cycle carbon footprint report is generated in combination with the updated stress distribution data. According to the technical scheme provided by the invention, the efficiency and accuracy of the full-life-cycle carbon footprint accounting of the electric power iron tower can be improved.

The utility model discloses a movable electric power iron tower reinforcement cage production mold table which is characterized by comprising a track, and a driven rotating mechanism, a first driving rotating mechanism and a second driving rotating mechanism are sequentially assembled and connected to the track; the first driving rotating mechanism drives the driven rotating mechanism to rotate; each of the first driving rotating mechanism and the second driving rotating mechanism comprises a rotating fixing seat, a rotating disc is rotationally connected in each rotating fixing seat, and a plurality of through holes corresponding to the reinforcement cage are formed in each rotating disc; and the second active rotating mechanism further comprises a horizontal moving structure, and stirrups of the reinforcement cage are continuously wound on the main reinforcements and are welded and fixed through the horizontal moving structure, the first active rotating mechanism and the second active rotating mechanism. According to the structure of the device, the reinforcement cage is welded and machined in a simple, flexible and effective mode, welding on a construction site can be achieved due to the flexibility of the device, and the operation difficulty of welding the reinforcement cage is greatly reduced.

The invention relates to the technical field of power tower pile foundation construction equipment, and discloses a power tower foundation pile drilling equipment and a soil discharge method thereof, comprising a base, a gantry, several power heads, a drill rod and a drill bit; several mobile power sources are arranged on the base; a horizontal beam of the gantry is slidably installed between two vertical beams, and the vertical beams of the gantry are slidably installed on the base, and power output ends of the several mobile power sources respectively push the ends of the two vertical beams, and the sliding directions of the vertical beams are perpendicular to the length directions of the vertical beams and the vertical beams move closer to or away from the base when sliding; the drill rod is installed on the bottom end face of the horizontal beam, and the axis of the drill rod is parallel to the length direction of the vertical beam, and the drill rod is driven to rotate by the power output ends of the several power heads; the drill bit is fixedly installed at the bottom end of the drill rod, so that the drill bit can slide back to a position away from the drill hole and the base when completing slag cleaning, thereby solving the problem in the prior art that soil slag and rock chips easily fall into the pile hole or the equipment base when the drill bit cleans slag, thereby reducing the working efficiency of the drill bit.

The invention relates to a maintenance device for a cable between electric power iron towers, and relates to the technical field of maintenance of electric power transmission equipment, the maintenance device comprises a traction rope and a forward driving device, and two ends of the traction rope are respectively used for being fixedly connected with one electric power iron tower; the forward driving device comprises two clamping assemblies and a linear driving piece connected between the two clamping assemblies. The clamping assembly comprises a walking seat, a fixed mounting seat and a locking seat; a locking groove is formed in the walking base in the first direction in a penetrating mode. The fixed mounting seat is fixedly connected to the walking seat; the locking base is slidably connected to the fixed mounting base in the second direction. The driving direction of the linear driving piece is parallel to the first direction, and the two ends of the linear driving piece are fixedly connected with the fixed mounting bases correspondingly. The maintenance device further comprises a cleaning assembly used for cleaning cable impurities, and the cleaning assembly is connected to the fixed mounting base. The cable accumulated snow removing device has the effect of stably removing cable accumulated snow.

The invention relates to the technical field of metal laser cutting, and provides a laser cutting machine for electric power iron tower pipe fittings, which comprises a worktable and a bracket mounted at the top of the worktable, and rotating mechanisms are symmetrically mounted at the top end of the workbench at the bottom of the support, clamping mechanisms are arranged on one sides of the rotating mechanisms, third electric sliding tables are mounted at the bottoms of the clamping mechanisms, and placing grooves are symmetrically fixed to one side of the top of the workbench. By arranging the clamping mechanism, arranging the bidirectional fixing blocks in the shell and arranging the four sets of clamping blocks in the fixing frame, the two ends of a pipe fitting can be clamped in the middle at the same time, double clamping of the pipe fitting is achieved, the front set of clamping points and the rear set of clamping points work cooperatively, deviation during cutting is avoided, cutting force is effectively dispersed, vibration is reduced, and the cutting efficiency is improved. The machining precision is improved, linkage control over rotation and translation is carried out while the pipe fitting is clamped, continuous cutting of complex curves can be achieved, manual intervention is reduced, and the machining period is shortened.

The invention discloses a method and a device for unmanned aerial vehicle edge intelligent visual inspection in a remote area, relates to the technical field of unmanned aerial vehicle inspection, is applied to areas with complex terrains, lack of RTK base stations or areas with weak network signals, and is used for inspecting a target power grid area comprising power grid facilities and power lines by an unmanned aerial vehicle. The method comprises the following steps of S1, performing three-dimensional reconstruction on a power tower and a power line of a target power grid region in real time based on monocular vision of airborne edge equipment; s2, the unmanned aerial vehicle autonomously and dynamically plans an inspection route based on machine vision; and carrying out real-time detection and analysis based on the key photographing part information of the airborne edge equipment. According to the method, the unmanned aerial vehicle inspection technology is not limited by the coverage range of the RTK base station any more, the dependence on external facilities is reduced, the flexibility and adaptability of inspection are improved, and the method has great research and application value for unmanned aerial vehicle autonomous inspection in remote areas of Xinjiang.

The invention discloses a settlement monitoring method and system for a power tower, and relates to the related technical field of settlement monitoring, and the method comprises the steps: obtaining a monitoring data set, executing sensor data anomaly analysis on the monitoring data set, and obtaining an anomaly analysis result. And acquiring an environmental influence factor corresponding to the sensor category, and extracting an environmental parameter of the time corresponding to the abnormal analysis result. Based on the environment parameters and the anomaly analysis result, parameter correction is conducted through a parameter anomaly correction model, and a parameter correction result is obtained. And performing abnormal parameter correction on the monitoring data set based on the parameter correction result to obtain a corrected monitoring data set. And carrying out settlement abnormity identification on the corrected monitoring data set through the settlement trend model to obtain a settlement abnormity identification result, and carrying out settlement abnormity early warning based on the settlement abnormity identification result. The technical problem that in the prior art, data of an electric power tower settlement monitoring sensor is prone to being affected by external environment factors, and consequently tower monitoring is not accurate is solved.

The utility model relates to the technical field of steel structure electric power iron towers, in particular to a steel structure electric power iron tower which comprises a concrete base, a supporting steel frame tower is fixedly installed in the concrete base, and a motor stand is fixedly connected to the top of the supporting steel frame tower. A stabilizing seat is fixedly connected to the surface, close to the top, of the supporting steel frame tower, a protective frame is fixedly connected to the top of the stabilizing seat, an insulating frame is fixedly connected to the middle, close to the inner wall, of the protective frame, and an opening and closing door is rotationally connected to the right side of the insulating frame through a hinge; the protection frame and the insulation frame inside the protection frame are additionally arranged on the steel structure electric power iron tower, workers can be guided upwards through the lifting base driven and controlled inside the protection frame, and subsequent safety bolting and climbing maintenance work can be conveniently conducted by the workers through the firm frame and the connecting vertical rod. And the convenient and safe lifting maintenance effect at the electric iron tower is enhanced.

The invention discloses an electric power tower damage identification method and system based on satellite images, and belongs to the technical field of image identification and electric power facility monitoring. The method comprises the following steps: acquiring an image through a satellite, and extracting a tower image through semantic segmentation and coordinate matching; identifying edge key points by using a key point detection algorithm, and judging whether the tower is deformed and damaged by analyzing a distribution mode of the edge key points; and if the tower is not damaged, further combining a rational function model and directional frame detection to respectively calculate an inclination angle and a bounding frame angle, and comparing with surrounding tower parameters to judge whether inclination damage occurs or not. According to the method, identification can be completed only through a single post-disaster satellite image, dependence of a traditional method on pre-disaster data is overcome, rapid, efficient and automatic disaster damage investigation of large-scale power lines is achieved, and the emergency response capacity of power grid disasters is remarkably improved.

The invention provides an electric power tower situation monitoring method based on cloud side-end network cooperation. The method comprises the following steps: collecting and uploading state information of an electric power tower; analyzing the state information, and obtaining an inclination parameter and a settlement displacement parameter of the electric power tower; checking the settlement displacement parameter, and judging whether the settlement displacement parameter can serve as judgment data or not based on a checking result; feeding back the current state of the power tower based on the settlement displacement parameter and the inclination parameter; updating an attention index based on the current state, the external force factor and the natural factor; and adjusting the information acquisition time period according to the attention index.

The invention discloses a three-dimensional space model construction method for removing a power transmission line, and belongs to the technical field of power transmission lines, and the method specifically comprises the steps: obtaining a target region, and carrying out the grid division; acquiring an aerial image and point cloud data in real time from a surveying and mapping point; identifying the aerial image and marking the grid region containing the electric power tower pole image as a target grid region; if the area of the region of the power tower pole is outside the standard region interval, re-surveying and mapping to obtain a second aerial image; generating a three-dimensional model of the target area; and correcting the three-dimensional model according to the second aerial image to obtain a three-dimensional live-action model, determining a spatial range of a power line between adjacent power towers, extracting corresponding point cloud data, generating a power line model, and mapping the power line model to the three-dimensional live-action model to obtain a final three-dimensional model. According to the invention, the efficiency and precision of three-dimensional modeling of the power transmission line are greatly improved.

The invention discloses a power transmission line iron tower and a power transmission line tower system, and relates to the technical field of power towers, the power transmission line iron tower comprises a tower body and a supporting assembly, the supporting assembly comprises a supporting frame arranged on the side face of the tower body, insulators are hinged to the two sides of the end of the supporting frame through hinge bases, and connecting bases are arranged at the ends, away from the supporting frame, of the insulators; the end part of the connecting seat is provided with an arc-shaped surface, electric wires are correspondingly erected on the two sides of the supporting frame, the opposite ends of the electric wires on the two sides are connected through a connecting assembly, the fixing assembly comprises a supporting groove seat, a fixing groove seat is arranged at the bottom of the supporting groove seat, a detection assembly is arranged at the top of the supporting groove seat, and the detection assembly comprises a roller. The swing amplitude of the wire is effectively limited, looseness of the wire fixing position caused by excessive swing is prevented, in addition, long-time continuous fixing of the wire is effectively guaranteed, and the situation that the fixing effect of the wire is reduced due to abrasion and aging of the fastener is avoided.

According to the technical scheme, the method is characterized by comprising the following steps that target detection is carried out through a Yolo target detection model, and target detection and recognition are carried out on a tower head, a tower body, a cross arm, an insulator, parallel wires, vertical wires, a wire with the positive slope and a wire with the negative slope of an electric power tower; after the leads of various postures are recognized, a square frame is drawn for the leads through target detection, the square frame is close to the leads as much as possible, and then the pointing direction and angle of the leads are obtained. According to the invention, dual models are used for combined judgment on the recognition of the lead, and the accuracy is improved.

The utility model relates to the field of electric power detection equipment, in particular to an electric power tower bolt tightening state detection robot which comprises a driving device, clamping jaw assemblies and a detection module, the driving device is sleeved with the clamping jaw assemblies in a vertically symmetrical mode, and the detection module is fixedly installed on the outer side of one clamping jaw assembly. When the electric power tower climbing device is used, the screw in the driving device is meshed with the sliding female base on the lower side in a positive and negative mode, so that the sliding female base slides on the limiting sliding rod in a directional mode, the electric power tower climbing device is matched with the two clamping and grabbing assemblies to climb an electric power tower, automatic detection is achieved, and potential safety hazards caused by manual climbing are isolated.

The invention relates to the technical field of aircraft landing point searching, and discloses an aircraft landing point searching method, which comprises the following steps: extracting an environmental influence coefficient from an aircraft flight database based on environmental data in a flight process through a landing point set searched by executing a landing point searching instruction; and extracting an aircraft influence coefficient from the aircraft flight database based on the aircraft basic data. According to the method, all water surfaces, flat ground, electric power towers and trees in an area with the center radius of 500m of an aircraft are obtained through a map obtained based on a GPS and a radar carried by the aircraft, a landing point set is obtained after corresponding elimination, then the comprehensive influence coefficient of each landing point is output, the landing point with the minimum comprehensive influence coefficient is selected for landing, and the landing point with the minimum comprehensive influence coefficient is obtained. According to the invention, the aircraft can timely select the optimal landing site to land in emergency, the landing safety of the aircraft is ensured, and the situation that the aircraft collides with the power transmission line in the landing process to cause falling is avoided.

The utility model discloses a multidirectional adjustable electric iron tower bird repelling device which comprises an iron tower bird repelling device body, and a fixing pipe is arranged at the bottom of the iron tower bird repelling device body in a sleeved mode. According to the iron tower bird repelling device, the fixing bolt is rotated and loosened, then a user moves the iron tower bird repelling device, when the iron tower bird repelling device moves upwards to a proper position, the user rotates the fixing bolt again, the surface of the iron tower bird repelling device can be clamped, the height can be adjusted, then the user can pull the handle, and the iron tower bird repelling device can be fixed. A user can move a sliding frame to a needed position by pulling a handle upwards to drive a moving plate to move, the moving plate is pulled upwards to enable a clamping block to be separated from a clamping groove, then the user can move the sliding frame to the needed position, then the handle is loosened, a tension spring rebounds to drive the moving plate to rebound, then the moving plate rebounds to drive the clamping block to be clamped in the clamping groove again, and the sliding frame can be adjusted; therefore, the effect of convenient efficient adjustment is achieved.

The invention relates to a live broadcast picture transmission system for unmanned aerial vehicle pull line construction, which is characterized in that high-definition video data shot by an unmanned aerial vehicle is spread through a 5G mobile base station and a cloud streaming media server under the challenge of complex terrains and weather conditions; an operation interface of the unmanned aerial vehicle and an operation interface of the take-up winch are integrated on a video live broadcast picture, so that the take-up process of the traction rope can be better monitored and controlled; the position coordinates of the traction rope in the same coordinate system are calculated through a catenary equation and the initial position coordinates of the traction rope between the unmanned aerial vehicle and the power tower, so that the unmanned aerial vehicle can be aligned with the traction rope all the time in the flight take-up process according to the preset path, and the unmanned aerial vehicle can be conveniently taken up. The high efficiency and safety of the traction rope recovery process are ensured; the traction rope can be continuously tracked when the traction rope is blown to be deflected by strong wind; according to the method, the alignment mode of the camera can be automatically switched for two scenes of flying to the power tower and crossing the power tower, and accurate operation during power tower crossing is ensured.

The present invention discloses a method for constructing a three-dimensional spatial model for power transmission line dismantling, which belongs to the technical field of power transmission line, and specifically comprises: obtaining a target area for grid division; obtaining aerial images and point cloud data in real time from a surveying point; identifying the aerial images and marking the grid area containing the power tower image as the target grid area; if the area of ​​the area where the power tower exists is outside the standard area interval, re-surveying and obtaining a second aerial image; generating a three-dimensional model of the target area; correcting the three-dimensional model according to the second aerial image to obtain a three-dimensional real-scene model, determining the spatial range of power lines between adjacent power towers and extracting corresponding point cloud data, generating power line modeling and mapping the power line modeling to the three-dimensional real-scene model to obtain a final three-dimensional model. The present invention greatly improves the efficiency and accuracy of three-dimensional modeling of power transmission lines.

The invention relates to a cable tensioning device for cable installation of an electric power iron tower, and the device comprises an installation frame, and the front end of the installation frame is provided with an installation groove in a penetrating manner; the wire feeding assembly is arranged in the mounting groove; the combined frame is connected with the connecting part of the wire feeding assembly, and a fastening sleeve is arranged at one end of the combined frame; the tensioning assembly is arranged at the top of the mounting frame, the tensioning assembly comprises a supporting seat, a multi-section rod capable of adjusting the angle and a tensioning rope capable of buffering the tensioning force, at least two adjusting grooves are formed in the top of the supporting seat, the bottom end of the multi-section rod is rotationally arranged in the adjusting grooves, and a buckle is arranged at the bottom end of the tensioning rope. According to the cable tensioning device, it can be ensured that the tensioning degree of the cable is uniform, the problem that the cable is damaged or loosened due to improper tensioning is solved, the cable feeding assembly and the tensioning assembly are used in cooperation, and the effect of cable installation complexity is reduced.

The invention discloses a lying platform for electric tower high-altitude operation, and relates to the field of electric tower overhaul, the lying platform comprises a connecting cloth, a folding bearing frame and four groups of tower hanging units, the folding bearing frame comprises two connecting rods, two groups of connecting pieces and four folding rods; the four folding rods are arranged on the front side and the rear side of the connecting cloth in pairs, the opposite ends of the left folding rod and the right folding rod are hinged through a first pin shaft, and the left folding rod and the right folding rod can be folded mutually. According to the invention, the two clamps at the left side are connected with the tower body of the electric tower, the two clamps at the right side are connected with the cross arm of the electric tower at the upper part or the lower part, and then the bending platform is fixedly arranged on the electric tower; a worker can lie on or stand on the connecting cloth to carry out maintenance work, and carry-on tools can be placed on the surface of the connecting cloth, so that the worker can carry out maintenance work conveniently, and the risk of high-altitude operation is reduced.

The invention discloses a safety monitoring and early warning method and platform for an electric tower base, and relates to the technical field of safety monitoring, and the method comprises the steps: carrying out the monitoring feature mining according to multivariate safety risk factors, and building a base monitoring feature distribution network; the base is monitored in real time through the Internet of Things sensing array, and a monitoring data stream is obtained; performing error compensation by using the sensing correction multi-level model, and extracting base structure, environment and external force feature information; activating a security risk detection channel, and detecting a risk coefficient in combination with the feature information; if the risk coefficient reaches a threshold value, the early warning device is activated, and a graded early warning signal is generated, so that the technical problems of low base safety risk assessment accuracy and low monitoring response speed caused by lack of comprehensive analysis capability on information in multiple aspects such as base structure state, environmental influence and external force action in existing electric tower base safety monitoring are solved.