428 results about "Cable tension" patented technology

The invention discloses a special-shaped steel pipe concrete pipe section hoisting dynamic pose control method, relates to the technical field of ocean engineering underwater pipeline installation, and mainly solves the problems of insufficient dynamic response and low space pose control precision when a special-shaped pipe section is hoisted in a complex water flow environment. The method comprises the steps that pipe section space pose design parameters are obtained, the pitch angle and the rolling angle of a pipe section are monitored in real time through an inclination angle sensor set, disturbance torque generated by real-time water flow force is calculated, sling length compensation amount is generated, and the take-up and pay-off speed of a chain block at each lifting point is independently adjusted; and meanwhile, adjusting mooring ropes moored on the two sides are pulled to control the horizontal rotation angle of the pipe section, the height of a lifting hook and tension of the mooring ropes are fed back and adjusted in cooperation with a floating crane positioning system, and finally accurate underwater in-position of the pipe section to the preset position of the seabed is achieved. The device is mainly used for hoisting and sinking operation of the special-shaped concrete filled steel tube section in the marine environment, water flow interference can be effectively resisted, and accurate butt joint and installation quality of a pipe section connector are guaranteed.

The invention provides an anomaly detection method and system based on Bi-LSTM and ST-GCN, and the method comprises the steps: constructing a space-time joint modeling frame for bridge health monitoring through the staged fusion of a bidirectional long-short time memory neural network (Bi-LSTM) and a space-time diagram convolutional neural network (ST-GCN) based on a point-line-plane three-stage detection mechanism for a tied arch bridge; the method comprises the following steps: extracting time sequence characteristics of a cable force meter through Bi-LSTM, identifying a single-sensor hardware fault, separating shared characteristics and sensor private characteristics from multi-sensor time sequence data, and enhancing sensor identity distinction degree and inhibiting interference factors such as temperature through decoupling comparison loss; the sensor private features are used as node features in an ST-GCN neural network, spatial positions among different sensors are identified by adopting a time attention mechanism through ST-GCN, spatial topological association and long-term time sequence dependence among the sensors are captured, and connection probability anomaly under a static adjacency relation is analyzed; and finally, the identified spatial position is analyzed and self-adaptive early warning is carried out, and a multi-node collaborative abnormal region is positioned through a connected domain algorithm, so that local damage and global abnormality are accurately positioned. The function of monitoring whether the bridge structure is damaged or not is achieved. Compared with a traditional machine learning database, more experimental parameters and a larger experimental data set are selected; the defect of low prediction precision of traditional machine learning is avoided, and the method has very high accuracy and reliability.

The invention discloses a state monitoring method for a bridge structure, and belongs to the technical field of bridge measurement and monitoring, and the method comprises the steps: obtaining an original data set of the inclination angle of a bridge main tower and the tension of an inhaul cable, analyzing a signal time feature representation factor, and carrying out the linear interpolation adjustment information judgment; and based on the original data set, analyzing an inhaul cable tension update value, then analyzing an inhaul cable tension residual error and an interpolation adjustment effect label, and carrying out signal reconstruction effect judgment. According to the method, the bridge structure can be continuously monitored, linear interpolation adjustment information is carried out by analyzing signal time characteristic characterization factors, whether adjustment is carried out or not is judged, calculation power waste is avoided, and the inhaul cable tension is aligned with a main tower inclination timestamp by analyzing inhaul cable tension update values through linear interpolation adjustment. A stay cable tension update value is analyzed to eliminate a cross-sensor clock asynchronous error, signals are classified by analyzing a frequency coherence factor, mutual interference of different frequency components in broadband signals is avoided through classification processing, and the structural health monitoring precision is remarkably improved.

The invention provides a stay cable force recognition method based on frequency multiplication relation global optimization, and the method comprises the steps: recognizing a plurality of candidate frequencies through spectrum analysis based on stay cable vibration acceleration data collected in real time; the candidate frequency set is input into a fundamental frequency solving model, the sum of squares of frequency multiplication rounding deviation of each frequency and an approximate fundamental frequency is minimized through an optimization algorithm, and the approximate fundamental frequency is an optimization parameter for global search of the optimization algorithm; and determining a final fundamental frequency according to the solved approximate fundamental frequency, and outputting the cable force.

The invention provides a stay cable tensioning process simulation optimization design method and system based on finite element analysis, and the method comprises the steps: building a finite element model of a tower beam structure of a target cable-stayed bridge; the target cable-stayed bridge is a cable-stayed bridge constructed by a support method and provided with asymmetric leaning towers; based on the finite element model, stay cable tension process simulation of the tower beam structure under different jump tension sequences is carried out, and time-varying mechanical response of the tower beam consolidation system is obtained; and according to the time-varying mechanical response, the cable force effectiveness and the tower beam deformation continuity are taken as targets, a tension sequence is optimized through a multi-point coincidence approximation strategy, and simulation design of automatic iterative optimization is carried out. According to the stay cable tensioning process simulation optimization design method and system based on finite element analysis, the optimal jump tension sequence is solved in the simulation model, the evolution amplitude of the stress behavior of the tower beam in the stay cable tensioning bridge forming process is reduced, the evolution smoothness of the stress behavior is improved, and the phenomena of hard sudden change, discontinuity and even internal damage are prevented.

The invention discloses a pulling and lifting cable frequency detection and cable force measurement method and system based on a millimeter wave radar, and belongs to the field of pulling and lifting cable force measurement. The method comprises the steps that vibration signals are collected through the millimeter wave radar to obtain complex data streams, time-frequency analysis is conducted on the complex data streams, and an interference model is established; the method comprises the following steps: reconstructing a noise-reduced vibration signal by adopting adaptive filtering, extracting candidate vibration frequencies through power spectral density estimation and spectral peak detection, calculating corresponding stability scores, and obtaining a first verification factor used for evaluating wind disturbance and a second verification factor used for evaluating vibration frequency deviation; according to the method, through multi-source sensing data fusion and self-adaptive signal processing, complex environment interference is effectively overcome, non-contact high-precision cable force measurement is achieved, and the method has the outstanding advantages of being high in anti-interference capacity, high in measurement reliability and the like.

The invention provides an umbrella-like floating platform and a tensioning method thereof. The umbrella-like floating platform and the tensioning method are used for solving the problem that an existing floating platform is large in weight and high in manufacturing cost. Comprising a platform ring and a pressed ring which are arranged in parallel, and a plurality of side stand column buoys are vertically connected between the platform ring and the pressed ring; a central stand column is further arranged at the central axis of the platform ring and the pressed ring, the bottom end of the central stand column extends out of the lower end face of the pressed ring, and a plurality of first inhaul cables and second inhaul cables are arranged between the pressed ring and the top end and the bottom end of the central stand column respectively. The first inhaul cables and the second inhaul cables are arranged in an annular array mode along the central axis of the central stand column. By arranging the inhaul cables, the inhaul cable tension steel structure is pressed, a tension-compression balanced prestressed cable net system is formed, under the condition that the stress performance of the whole structure is kept unchanged, the steel consumption of the platform is remarkably reduced, the purpose of the lightweight structure is achieved, and then the manufacturing cost is reduced.

The invention provides a cable force detection method, device and system for a cable bearing bridge, and relates to the technical field of bridge monitoring. The method comprises the following steps: acquiring an echo signal of an inhaul cable in a to-be-detected bridge; constructing a corresponding radar cube matrix according to the echo signal; peak value searching is carried out on the signal amplitude of the signal data under the distance dimension in the radar cube matrix, the distance index of each peak value point on the distance dimension is determined, and the distance index is used as the distance index corresponding to each inhaul cable; based on the distance index and the radar cube matrix, incident angle information corresponding to each inhaul cable is determined; and based on the distance index and the incident angle information corresponding to each inhaul cable, determining an enhanced signal corresponding to each inhaul cable by using a beam forming technology. According to the invention, the signal data of each inhaul cable can be effectively separated, the signal data precision of each inhaul cable is improved, and the cable force detection precision is further improved.

The invention discloses a system-level coupling modeling method, system, equipment and medium for a multi-wind-wheel multi-tower-drum floating type wind turbine generator set, and relates to the field of simulation modeling, and the method comprises the steps that parameter information of the multi-wind-wheel multi-tower-drum floating type wind turbine generator set is obtained, and a multi-system structural dynamics model is obtained based on the parameter information of the multi-wind-wheel multi-tower-drum floating type wind turbine generator set; the unsteady aerodynamic model, the hydrodynamic model and the mooring structure dynamic model are used for outputting aerodynamic loads, hydrodynamic loads and mooring cable tension, the aerodynamic loads, the hydrodynamic loads and the mooring cable tension are fed back to the multi-system structure dynamic model, and based on a Lagrange framework, the models are subjected to joint simulation operation through a joint simulation interface, so that the mooring cable tension is obtained. And the multi-wind-wheel and multi-tower-drum floating type wind turbine generator is designed. According to the method, a complete system dynamics model can be established, and complete machine level rapid evaluation and engineering iteration under multiple working conditions can be supported.

The invention relates to the technical field of cable tension detection, in particular to a tension detection device and detection method for a power cable, and the method comprises the steps: obtaining tension data and rotating speed data in a cable conveying process; dividing the whole data acquisition time into a plurality of time periods, and obtaining a comprehensive influence coefficient of each time period according to the fluctuation characteristic and the periodic characteristic of the tension data of each time period, the correlation degree of the change trend of the rotating speed data and the tension abnormal characteristic of each time period, and the rule degree of the fluctuation characteristic of the tension data of each time period; and predicting the comprehensive influence coefficient of the next time period of each time period, obtaining the tension state abnormal value of each time period according to the difference between the obtained predicted value and the comprehensive influence coefficient of the adjacent time period, and further judging whether the tension state of the cable in each time period is abnormal or not. By analyzing the characteristics of the tension data of the cable under the influence of drum mechanical friction and ship swing, the tension state of the cable can be more accurately judged.

The invention provides a submarine cable dynamic laying path control method based on towing cable tension and attitude feedback, and the method comprises the steps: carrying out the tension data collection of a towing cable of a submarine cable laying ship through a first tension measurement mode, and generating a first tension measurement result; dynamically optimizing the towing cable tension data in the first tension measurement result based on a second tension measurement mode to obtain a second tension measurement result; and adjusting the path points in the second tension measurement result in combination with attitude feedback and a third tension measurement mode to generate a final submarine cable laying path control result. According to the method, dynamic control over the submarine cable laying path is achieved through multi-stage tension measurement and attitude feedback, and laying precision and stability are improved.

The invention discloses a shore power winch cable tension control system and method based on fuzzy active-disturbance-rejection control. The system comprises a tension sensor module, a fuzzy active-disturbance-rejection control module, a real-time parameter updating module, a motor control signal output end and a motor driving and executing module. The tension sensor collects a cable tension signal in real time and transmits the cable tension signal to the fuzzy active-disturbance-rejection control module. The module integrates a tracking differentiator, an expansion state observer and nonlinear state error feedback combined with fuzzy logic, and accordingly, a control signal is generated. The real-time parameter updating module dynamically obtains rotational inertia and rolling diameter parameters and feeds back the rotational inertia and rolling diameter parameters to the controller; and finally, controlling the signal to drive the motor to execute cable winding and unwinding operation. Through the fuzzy active disturbance rejection control core, the rapid transition of the tracking differentiator and the real-time disturbance estimation of the expansion state observer are combined, the influence of the time-varying working condition and the strong disturbance is effectively overcome, and the optimal consideration of the response speed and the control precision is realized.

The invention discloses a ship mooring rope storage rack with a fracture protection function, and belongs to the technical field of ship equipment.The ship mooring rope storage rack comprises a base, a storage mechanism and a sealing box are arranged on the two sides of the top of the base respectively, a guiding mechanism and a fracture protection mechanism are arranged on the top of the sealing box, and the guiding mechanism comprises a fixing cylinder and a plurality of guiding wheels; and a cable locking mechanism is arranged in the fixing cylinder, the storage mechanism comprises a bottom plate, a support and a winding roller, a sliding plate is fixedly installed at the bottom of the bottom plate, and the sliding plate is installed in the base in a sliding mode. By integrating the storage mechanism, the guide mechanism and the fracture protection mechanism, the safety and reliability of cable operation are remarkably improved, and when the cable is fractured due to huge tension, the system can automatically trigger a dual protection mechanism: the tension change of the cable is monitored through a torque sensor, and a controller is linked to start a protection program; secondly, a mechanical structure driven by centrifugal force in the resetting process of the sliding plate is used for further verifying the fracture state and transmitting a signal;

The invention discloses a stepless speed change automatic disc changing take-up machine for a cable production line, and relates to the technical field of take-up devices, the stepless speed change automatic disc changing take-up machine comprises a frame body, a discharging assembly and a take-up assembly mounted at the top of the frame body; the mounting plate is fixedly connected to the front part of the frame body; the wire clamping assembly is arranged on the wire take-up assembly and used for fixing the wire end when the reel is replaced; the wire cutting assembly is used for cutting off the cable when the reel is replaced; the follow-up regulation and control assembly is used for performing regulation action according to the tension of the cable; the follow-up regulation and control assembly comprises a sliding rail fixedly connected to one side of the mounting plate, and the sliding rail is vertically arranged. Through cooperation of the active regulation and control assembly and the follow-up regulation and control assembly, surplus cables continuously output by a production end can be temporarily stored in the reel replacement process, production interruption is avoided, reel replacement without shutdown is achieved, and the production efficiency is remarkably improved; according to the scheme, the follow-up regulation and control assembly driven by gravity is used for replacing a traditional spring structure, tension adjustment is more stable, and cable damage caused by elastic force fluctuation is effectively avoided.

The application relates to the technical field of fire-fighting cable detection, in particular to a fire-fighting cable detection device which comprises a box body, stretching cavities, first guide rods, a burner and a clamping mechanism. Stretching cavities are arranged on the left and right sides of the inner cavity of the box body. The number of the first guide rods is eight, and the eight first guide rods are arranged at the four corners of the inner cavities of the two stretching cavities. The burner is arranged at the bottom end of the inner cavity of the box body. The clamping mechanism is slidably sleeved on the outer wall of the first guide rod. The device can not only detect the fire resistance and flame retardance, but also simulate the damage of the object impact on the cable outer skin and internal structure in the fire scene. Meanwhile, the cable tension change in the fire scene is simulated and detected, the tension abnormality caused by factors such as thermal expansion and cold shrinkage and structure deformation is found in time, and problems such as internal conductor fracture, poor contact and outer skin rupture are prevented, so that the stable power transmission of the fire-fighting cable in the emergency such as fire is effectively ensured, and the normal operation of the fire-fighting equipment is ensured.

An example cable tension device is provided. The cable tension device includes a bracket, an arm, and a spring. The arm is rotatably coupled to the bracket and comprises a roller bar to receive a cable of an overhead door. The spring is coupled to the arm. The spring is under a load to cause the arm to rotate away from the bracket to maintain a tension on the cable.

The invention relates to an intelligent slope compensation tensioning and holding load detection system which comprises a control host, a PLC, an oil pump motor, an electromagnetic valve set, a main jacking jack, a locking jacking jack, a pressure sensor and a displacement sensor. The three working modes of primary detection, compensation tensioning and secondary detection are supported, and parameters are independently stored in each mode; the PLC dynamically executes staged pressurization, load holding and pressure maintaining and closed-loop pressure supplementing based on a C02 / C03 threshold value according to the actually measured oil pressure and the displacement signal, and the elongation amount is automatically checked; the system has the functions of power-off continuation, abnormity self-inspection, local data recording and remote uploading, and safe reset is achieved through a pressure relief solenoid valve. According to the method, intelligentization, closed loop and data collaboration of the whole operation slope anchor cable tensioning process are achieved, and the engineering requirement for held load distribution type judgment is met.

The present application relates to the technical field of railway engineering, and provides a load cable tension compensation control method and system based on multi-sensor fusion, which solves the problems of unstable control effect, insufficient system robustness and adaptability. The method comprises the following steps: obtaining the tension change detected by a strain sensor and the spatial vibration trajectory detected by an acceleration sensor during the dynamic vibration process of the load cable; predicting the target deformation damping range required by the adjustable mechanical buffer device at the anchoring end of the load cable; generating the pulse width and pulse interval corresponding to the deformation damping correction amount according to the tension change, the spatial vibration trajectory and the target deformation damping range; and adjusting the deformation damping parameters of the adjustable mechanical buffer device according to the pulse width and pulse interval, so that the tension fluctuation amplitude converges to the preset fluctuation threshold interval. The present application realizes accurate perception and adaptive compensation of the load cable tension fluctuation, and improves the response speed, stability and environmental adaptability of the control system.

The utility model relates to the technical field of cable tension detection, in particular to a tension detection device for cold and hot shrinkage cable accessories, which comprises a detection table, a mounting box fixedly connected to the top of the detection table, through grooves formed in two sides of the mounting box, a worm rotatably connected to the inside of the mounting box, and a worm gear meshed with the outer wall of the worm. The worm wheel is rotatably connected to the inner wall of the mounting box, the outer wall of the shaft part of the worm wheel is fixedly connected with a gear, the bottom of the gear is engaged with a rack, the rack is slidably connected to the top of the detection table and penetrates through the through groove, and the top of the detection table is provided with a clamping mechanism for clamping a cable; sliding rods are fixedly connected to the side walls of the two fixing blocks, and two sets of sliding blocks are arranged at the top of the detection table. Compared with the prior art, the clamping area, the friction force and the firmness are increased, so that the condition that the cable slips or is broken due to infirm clamping or too small contact surface in the tension test process is prevented.

The utility model relates to the technical field of flood prevention equipment, discloses a supporting and reinforcing structure of a cable take-up and pay-off device of flood prevention equipment, and solves the problem that the stability of the cable take-up and pay-off device is insufficient. Through the electric push rod A, the screw rod, the pedal plate, the electric telescopic supporting rod and the tension sensor, when the rack is pushed to a proper position, the electric push rod A extends to enable the moving block to move downwards, so that the supporting legs are in contact with the ground, and then the stability is improved by rotating the screw rod; meanwhile, an operator can further increase the stability by stepping on a pedal plate, an electric telescopic supporting rod and a sharp corner at the bottom of the electric telescopic supporting rod are inserted into the ground to achieve the auxiliary fixing effect, and then when it is detected that tension rises through a tension sensor in a guide wheel, the winding and unwinding speed can be controlled; and the electric telescopic supporting rod is controlled to extend, so that the sharp corner is deeper underground, and the influence of cable tension on the stability of the device is reduced.

This invention discloses a cable laying device for power construction, belonging to the technical field of power construction equipment. Specifically, the cable laying device includes a roller component, a triggering component, and a locking component. This invention achieves adaptive and precise locking of the cable drum through the coordinated operation of the triggering and locking components, effectively solving the problems of severe cable wear caused by reliance on frictional transmission in existing devices and cable slack and entanglement due to the inertial rotation of the drum. Specifically, this invention does not rely on friction between the cable and the transmission component for locking control. Instead, the cable tension acts directly on the roller, driving the triggering component to move and release the lock. When the cable stops pulling or slacks, the spring force drives the locking component to automatically engage and lock. Throughout the process, the cable and roller experience rolling friction, resulting in minimal friction and minimizing wear on the cable sheath, thus ensuring the cable's insulation performance and service life.

The application discloses a kind of based on edge identification no target cable force identification method, the method includes: cable video acquisition and pre-processing: acquisition cable video, video frame is carried out image gray conversion and is adapted to the multi-scale Gaussian filtering operation of filter scale according to noise characteristics;Canny algorithm cable edge identification: using Canny edge detection algorithm to the video frame after pre-processing is carried out cable edge identification;Cable feature point screening and KLT optical flow method identification: from edge identification result screening cable feature point, and using KLT optical flow method in continuous video frame between tracking feature point dynamic displacement;Fundamental frequency identification and cable force calculation: displacement data is applied Fourier transform to identify cable fundamental frequency, and adopts XGBOOST regression model based on fundamental frequency and relevant parameter calculation cable tension.The application realizes the precise, efficient and non-contact monitoring of bridge cable stress state.

The application discloses a kind of state monitoring methods for bridge structure, belong to bridge measurement monitoring technical field, comprising: obtaining the original data set of bridge main tower inclination angle and cable tension, analysis signal time characteristic factor, linear interpolation adjustment information determination is carried out;Based on original data set, analysis cable tension update value then analysis cable tension residual error and interpolation adjustment effect label, signal reconstruction effect determination is carried out.The application can continuously monitor bridge structure, whether linear interpolation adjustment information determination is carried out by analyzing signal time characteristic factor to avoid waste of computing power by adjusting, by linear interpolation adjustment analysis cable tension update value, cable tension is aligned with main tower inclination time stamp, analysis cable tension update value eliminates cross-sensor clock asynchronous error, by analyzing frequency coherence factor, signal is classified and processed, classification processing avoids mutual interference of different frequency components in wideband signal, significantly improves the precision of structural health monitoring.

The invention discloses an inhaul cable with an integrated sensor and a measuring scale adjusting device and a stress monitoring method thereof, the inhaul cable comprises a U-shaped joint, an inhaul cable and an adjusting mechanism, one end of the inhaul cable is fixedly connected with the U-shaped joint, the other end of the inhaul cable is fixedly connected with the adjusting mechanism, and a pin shaft sensor is arranged on the U-shaped joint. The inhaul cable assembly is compact in structure and integrated in function, the length of the inhaul cable is accurately and rapidly adjusted through the adjusting mechanism, the tensioning state of the inhaul cable is monitored in real time through the pin shaft sensor, and data support is provided for intelligent control, safety early warning and predictive maintenance of a system.

The invention relates to the field of engineering machinery, and discloses an engineering machinery cable double-reel cooperative control method and system, and the method comprises the steps: obtaining the position information of an excavator and a cable car in real time through a wireless carrier communication technology, collecting the cable state and the motion data of a main / auxiliary reel through a sensor on a cable, and uploading the data to a control center for preprocessing. The position deviation, the speed change rate, the cable tension fluctuation and the abrasion degree are analyzed, cable take-up and pay-off stages are accurately divided in combination with a standard working condition model, and the following distance of the cable car is dynamically adjusted to be matched with the speed and the acceleration of the excavator. Meanwhile, the torque of a motor is monitored to achieve limiting control, cable take-up and pay-off operation is accurately executed, an auxiliary reel is automatically switched to be released when a main reel cable reaches a threshold value, early warning is triggered when the auxiliary reel is released to the safety limit, dynamic cooperative control over the excavator and the cable car is achieved, cable take-up and pay-off stages are accurately divided, and the following distance is adjusted; the problems of distance deviation, out-of-control tension and safety response lag in a traditional method are solved.

The application discloses a stepless speed change automatic disc changing take-up machine for a cable production line and relates to the technical field of take-up devices.The stepless speed change automatic disc changing take-up machine comprises a frame body, a discharging assembly and a take-up assembly arranged on the top of the frame body; further comprises: a mounting plate fixedly connected to the front part of the frame body; a wire clamping assembly arranged on the take-up assembly and used for fixing the wire end during disc changing; a wire cutting assembly used for cutting the cable during disc changing; a follow-up control assembly used for making adjustment actions according to the cable tension; and the follow-up control assembly comprises slide rails fixedly connected to one side of the mounting plate and arranged vertically. Through cooperation of the active control assembly and the follow-up control assembly, the stepless speed change automatic disc changing take-up machine can temporarily store the surplus cable continuously produced at the production end during disc changing, avoids interruption of production, realizes disc changing without shutdown and significantly improves production efficiency. The scheme replaces the traditional spring structure with the follow-up control assembly driven by gravity, the tension adjustment is more stable, and cable damage caused by spring force fluctuation is effectively avoided.

The parallel steel wire stay cable tension and compression combined traction device for cable-stayed bridge in the field of cable-stayed cable traction construction technology, which comprises multiple sets of rectifying mechanisms arranged in a circumferential array, multiple rectifying mechanisms are movably connected through connecting pieces, the rectifying mechanism comprises a supporting plate, a mounting block is slidably connected with the supporting plate in the vertical direction, a rectifying plate is rotatably connected with the mounting block, a torsional spring one for resetting the rectifying plate is sleeved on the rotating shaft, a positioning roller is rotatably installed on the inner side of the supporting plate, a driving unit is arranged on the supporting plate and used for driving the rectifying plate to be inserted into an anchor hole of an anchor device, so as to adjust the position of the supporting plate, make the positioning roller tangent to the anchor clamp piece hole, and a locking unit is movably installed on the supporting plate, the locking unit can relatively fix the supporting plate and the anchor device after the position adjustment of the supporting plate is completed, and the steel strand tensioning is completed.

The utility model provides a cable tension detection machine, which relates to the technical field of cables and comprises a supporting plate, a top plate and a base are fixedly mounted on the outer wall of the supporting plate, a hydraulic cylinder is fixedly mounted at the top of the top plate, and the output end of the hydraulic cylinder penetrates through the top plate. Four evenly-distributed supporting rods are fixedly installed on the top of the bottom plate. In use, a worker puts two ends of a cable into two through holes respectively and then starts an electric telescopic rod, the telescopic end of the electric telescopic rod is stretched to push a moving frame to descend, the moving frame drives four moving plates to descend, the moving plates make contact with inclined planes of abutting blocks, the moving plates push the abutting blocks to move, and the abutting blocks drive sliding blocks to move. The four sliding blocks are close to each other until the rollers on the four sliding blocks are in contact with the outer wall of the cable, and the cable is clamped in the middle of the through hole at the moment, so that the cable is prevented from inclining.

The present application belongs to the technical field of cable laying, and provides a traction tension limiting regulation method and system for cable laying, comprising the following steps: in the transition stage of the cable serpentine laying section and the non-serpentine laying section, real-time collection of the cable tension value data in the transition stage. Through real-time analysis of the tension fluctuation law, the rationality of the tension gradient amplitude reduction is quantitatively judged, so that the regulation process is more suitable for the on-site implementation of the construction conditions. Through quantitative calculation of the subsequent adjustment value, the tension adjustment deficiency caused by experience judgment is reduced. The subsequent regulation process provides a basis. Through reliability evaluation analysis of the regulation requirement, the risk caused by the over-standard equipment capacity and adjustment rhythm in the regulation process is identified in advance. The regulation efficiency is optimized, and the safety hidden danger is reduced. According to the reliability result, a differentiated regulation method is carried out, so that the end tension in the transition stage can be guaranteed to meet the standard on the basis of reducing the risk.

1. The name of the design product: intelligent anchor cable tension control module. 2. The use of the design product: for bridge, tunnel, slope support and other prestressed anchor cable construction scenes, through the integrated man-machine interface and data visualization structure design, the real-time monitoring of tension force, multi-device collaborative operation and dynamic optimization adjustment of construction parameters are realized. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.