12009 results about "Wire rope" patented technology

The invention relates to the field of diameter measurement, in particular to a steel wire rope infrared laser diameter detection device and method, and the device comprises an installation seat which is connected with a measurement assembly used for measuring the diameter of a steel wire rope. According to the invention, through cooperation between the two mounting ring plates and the limiting rollers correspondingly limited on the two mounting ring plates, a steel wire rope to be measured is supported and limited, and then through cooperation between the laser emitting end and the laser receiving end correspondingly connected in the two mounting ring plates, the steel wire rope to be measured is measured. The steel wire rope diameter measuring device achieves the effect of measuring the diameter of a steel wire rope in a non-contact mode, effectively reduces friction and vibration during relative sliding of the steel wire rope and the shell through cooperation of a limiting roller and a buffer spring, and improves the measuring precision.

The invention discloses a BIM-based hoisting construction supervision optimization management system. The system comprises a sensing layer which collects multi-source heterogeneous data in real time; according to the decision-making layer, a bottom layer utilizes an incremental RRT # algorithm to generate candidate paths meeting crane kinematics constraints, a distributed Q-learning framework is embedded in an upper layer, all cranes serve as independent agents, collaborative learning is carried out through a shared experience pool, a path planning strategy is dynamically optimized according to environment sensing data and construction progress requirements, and a path planning strategy is established. Meanwhile, a fuzzy sliding mode control algorithm is developed to be combined with an LSTM-Transformer crane cart and trolley walking speed, a hook crane cart and trolley walking speed, a hook lifting speed and a steel wire rope disturbance prediction model to calculate crane motion compensation parameters, and an optimal control instruction is generated in advance based on predicted crane moving walking and lifting data; the execution layer is used for issuing the instruction generated by the decision-making layer to construction equipment; and the optimization layer is used for constructing a BIM model and feeding back an equipment execution result and structure safety monitoring data to the decision-making layer.

The invention discloses a crane steel wire rope flaw detection device and a flaw detection method, and belongs to the technical field of nondestructive flaw detection. The device comprises a magnetic memory flaw detection module and a wheel type rope climbing robot device for driving the magnetic memory flaw detection module to move along a crane steel wire rope, the magnetic memory flaw detection module comprises a hollow flaw detection shell, the flaw detection shell is longitudinally provided with a central through hole for a crane steel wire rope to penetrate through, and a plurality of giant magneto-impedance effect magnetic sensors are evenly arranged in the flaw detection shell in the circumferential direction of the central through hole. Therefore, a sensor array used for detecting the leakage magnetic field intensity of the crane steel wire rope is formed, and the giant magneto-impedance effect magnetic sensors are arranged in a coplanar mode. The device is mainly based on the giant magneto-impedance effect magnetic sensor and the metal magnetic memory principle, extremely weak magnetic nondestructive testing is conducted on the crane steel wire rope, and the device is convenient to use, high in detection precision, simple in structure and suitable for various steel wire rope detection environments.

The invention provides an elevator steel wire rope detection method and device, equipment and a storage medium, and belongs to the technical field of automatic monitoring. The method comprises the steps that electromagnetic signal data in a steel wire rope and vibration signal data of the end of the steel wire rope are obtained; performing feature extraction on the electromagnetic signal data and the vibration signal data to obtain electromagnetic noise features and vibration noise features; performing cross fusion on the electromagnetic noise feature and the vibration noise feature to obtain a first joint noise feature; performing denoising processing on the electromagnetic signal data and the vibration signal data based on the first joint noise feature to obtain denoised electromagnetic signal data and denoised vibration signal data; and performing fault prediction based on the denoised electromagnetic signal data and the denoised vibration signal data to obtain fault information of the steel wire rope. According to the elevator steel wire rope detection method and device, the equipment and the storage medium, the elevator steel wire rope fault detection precision can be improved.

The invention discloses an elevator steel wire rope detection device and method, and the device comprises the following steps: firstly, carrying out the pre-scanning of an initial magnetic field, then carrying out the magnetization of a steel wire rope through a multi-stage adjustable electromagnet, and controlling the magnetization intensity through a current; the method comprises the following steps: firstly, pre-scanning a magnetic field, then, carrying out real-time monitoring and feedback control on the magnetized magnetic field, carrying out synchronous acquisition through a multi-modal sensor, then, extracting multi-domain features, receiving a feature vector set by a model, carrying out dynamic weighting operation on the feature vector set, and finally, outputting a task. The problem that initial magnetic fields of the steel wire ropes are inconsistent can be effectively solved, data are synchronously collected through the multi-mode sensor, effective distinguishing and quantitative evaluation of different types of defects such as wire breakage, abrasion, corrosion and fatigue damage are achieved, and the defects of an existing detection mode in defect subdivision and quantification are overcome.

The invention discloses an oil pumping unit transmission flexible connection fault diagnosis method based on big data and artificial intelligence. The oil pumping unit transmission flexible connection fault diagnosis method sequentially comprises the following steps of S1, collecting monitoring data related to oil pumping unit transmission flexible connection; s2, preprocessing the collected monitoring data; s3, a traditional machine learning method and a deep learning technology are fused, and an oil pumping unit transmission flexible connection fault early warning model is established; s4, analyzing the real-time monitoring data of the flexible connection by using the fault early-warning model, quickly judging abnormal conditions in the real-time monitoring data, making a fault early-warning and analysis report, and providing the fault early-warning and analysis report to a manager; and S5, continuously monitoring and optimizing the early warning model. According to the fault diagnosis method, through data management, an intelligent algorithm and model analysis, the transmission flexible connection state of the oil pumping unit is monitored in real time, potential faults are predicted and diagnosed in advance, and an alarm is given in time when a belt of the oil pumping unit or a steel wire rope of a beam hanger is broken, so that the production efficiency and safety of an oil well are improved, and construction of an intelligent oil field is assisted.

The invention discloses an elevator steel wire rope defect detection device and method combining AR coding and magnetic flux leakage. The elevator steel wire rope defect detection device comprises a magnetic flux leakage detection sensor array device and a steel wire rope movement robot. The magnetic flux leakage detection sensor array device is installed on the steel wire rope movement robot and used for obtaining magnetic flux leakage signals of a steel wire rope in real time. And the steel wire rope movement robot is used for carrying the high-precision industrial camera and the magnetic flux leakage detection sensor array and moving along the steel wire rope to realize full-coverage detection of the steel wire rope. According to the invention, through excessive sensor data fusion, a deep learning algorithm and a virtual information generation technology, high-precision and real-time detection and positioning of elevator steel wire rope defects are realized, and the detection efficiency is remarkably improved. The device not only can detect the broken wire of the elevator steel wire rope, but also can detect the crack and stress change conditions of the steel wire rope, and gives an early warning for the safety condition of the elevator steel wire rope.

The invention discloses an anti-pulling protection mechanism for a charging pile, and belongs to the technical field of charging equipment, and the anti-pulling protection mechanism comprises the charging pile which is used for providing electric quantity; the charging head is connected with the charging pile through a charging wire and used for charging the vehicle; the separating mechanism comprises a steel wire rope arranged on the charging head and is used for separating the charging head from a charging hole in the vehicle; the separating mechanism is further provided with a releasing assembly which comprises a pressing rod arranged on the charging head handle and a buckle component used for releasing the charging head handle. In the invention, when a user does not pull out a charging head after charging and drives a vehicle to be pulled, a steel wire rope is tensioned to trigger a separation mechanism, a hydraulic system transmits pressure to a handle buckle through an oil cavity and a sliding rod to unlock, and meanwhile, a rack I, a rack II and a circular gear are linked to push a push rod to push out the charging head, so that the charging head is separated from a charging interface; the mechanical damage caused by accidental pulling of the charging wire and the charging pile is effectively avoided, and the equipment safety is remarkably improved.

The invention relates to the technical field of crane equipment health monitoring, in particular to a crane running state health monitoring system and method. A sensing data acquisition unit is used for acquiring a winding drum vibration harmonic component, a steel wire rope leakage magnetic field gradient and a pulley block real-time load; the data analysis unit performs rotating speed synchronous variational mode decomposition on the vibration component to extract resonance characteristics, performs temperature and stress double-compensation correction on a leakage magnetic field gradient, quantifies an energy entropy attenuation rate through wavelet packet decomposition, constructs a phase difference model of a load and vibration to output a slip risk phase offset, calculates a load spectrum damage cumulant, and calculates a load spectrum damage cumulant; and after the four heterogeneous features are fused, a residual life coefficient is output through a dual-channel convolution-long and short-term memory hybrid neural network, and an execution unit triggers crane speed reduction control when the residual life coefficient is lower than a threshold value, so that the problems of insufficient multi-source data fusion and lack of dynamic compensation in the traditional technology are solved, and the fault early warning accuracy is improved.

A compact anti-falling high-stability dual-steel-wire lamp lifter. By providing a wire arrangement assembly, steel wire ropes (4) can be wound in a dual-groove steel wire reel (3) in an orderly manner in the winding process of the steel wire ropes (4), avoiding the occurrence of disorderly winding of the steel wire ropes (4). A lamp holder (2) can be locked by means of a mechanical self-locking and self-releasing hook mechanism, so that accidental falling of the lamp holder (2) can be avoided, greatly improving the safety of the lamp during use; and when the lamp holder (2) needs to be lowered, the mechanical self-locking and self-releasing hook mechanism can automatically unlock the lamp holder (2) mechanically, ensuring normal ascent and descent of the lamp holder (2). By providing a first transmission mechanism and a second transmission mechanism, the dual-groove steel wire reel (3), the wire arrangement assembly and the mechanical self-locking and self-releasing hook mechanism can be simultaneously driven by one motor (5) to operate, reducing manufacturing costs, and realizing high energy efficiency; moreover, reasonable space utilization can be achieved, allowing for a more compact structure.

The invention discloses an elevator steel wire rope wear real-time monitoring system and equipment thereof, and relates to the technical field of safety monitoring, the elevator steel wire rope wear real-time monitoring system comprises an acquisition and extraction module which acquires real-time surface image data and vibration signal data of a steel wire rope through a sensor array, extracts surface damage features and vibration spectrum features by adopting an image processing algorithm, and sends the surface damage features and the vibration spectrum features to a server; fusing kernel function selection and hyperplane separation to process the preliminary wear feature set; the crack identification module is used for fusing tensile strength and corrosion resistance data in the material characteristic database according to the initial wear characteristic set, classifying potential fatigue crack types through support vector identification and crack morphological characteristics by adopting a support vector machine algorithm, and determining a fatigue crack distribution diagram; according to the elevator steel wire rope abrasion real-time monitoring system and equipment thereof, accurate abrasion evaluation and dynamic maintenance optimization are achieved, the safety of the steel wire rope is improved, and the service life of the steel wire rope is prolonged.

The invention belongs to the field of lattice tower prestressed cable construction, and particularly relates to a lattice tower prestressed cable penetrating method which is characterized in that an anchorage device support is arranged on a construction platform at the top of a lattice tower, an anchor ring, a backing ring and a steering wheel are sequentially arranged on the anchorage device support from top to bottom, and through holes in one-to-one correspondence with cable penetrating holes in the anchor ring are formed in the steering wheel; the through hole is a variable-diameter hole with the two ends large in hole diameter and the middle small in hole diameter, the inner hole wall of the through hole smoothly extends in the hole core direction, the first steel wire rope is restrained at the tower top and slowly droops, and a worker at the tower top pulls the first steel wire rope to control the steering wheel to move downwards to the corner position of the latticed column in a pipe cavity of the latticed column. The steel strand is matched with the hole wall or the hole edge of the through hole in the steering wheel in a surface contact mode, the situation that protruding radial shear force point positions exist due to point contact or line contact between the steel strand and the steering wheel is effectively avoided, and the steel strand is prevented from being fractured due to the influence of radial shear force.

The utility model discloses a full-rotation hoisting pile driver for an offshore ship. The full-rotation hoisting pile driver comprises a full-rotation hoisting device and a pile driving device, the full-rotation lifting device comprises a base, a rotation bearing, a rotation chassis, a propeller strut and an arm support. The base is connected with the rotary chassis through the rotary bearing; the propeller strut is arranged on the rotary chassis; the lower end of the arm frame is movably connected with the propeller strut, and the propeller strut is wound with the arm frame through a steel wire rope; the piling device comprises a pile frame, a fork frame and a winding mechanism; the pile frame is connected with the upper end of the arm frame through a sliding shoe; one end of the fork frame is movably connected with the pile frame, and the other end of the fork frame is movably connected with the propeller strut; and the platform on the pile frame is connected with the corresponding winch in the machine room through the winding mechanism. According to the utility model, the full-circle slewing crane and the piling system are effectively combined, so that the piling requirements of straight piles and inclined piles can be met without frequent ship moving and positioning.

The invention relates to the technical field of tunnel engineering, and particularly discloses a trolley loading device and method for tunnel lining splicing, the trolley loading device comprises a hoisting transfer mechanism, bearing turnover mechanisms are arranged on the two sides of the hoisting transfer mechanism, and transfer feeding mechanisms are further arranged at the lower ends of the two sides of the hoisting transfer mechanism; the hoisting and transferring mechanism comprises a supporting frame, a guide rail pair sliding rail I, a guide rail pair sliding seat I, a supporting plate, a motor I, a winding roller and a steel wire rope I; the bearing turnover mechanism comprises a first bearing, a first shaft rod, a rope wheel, a second steel wire rope, a second bearing, a second shaft rod, a second motor and a bearing plate. According to the scheme, efficient hoisting and accurate positioning of the duct piece are achieved through the hoisting and transferring mechanism, the arch structure design of the supporting frame provides a stable supporting foundation, the duct piece can stably move left and right through cooperation of a guide rail pair sliding rail and a sliding base, a motor drives a winding roller to wind and unwind a steel wire rope, and the hanging design of a hook is combined; and vertical lifting of the duct piece is achieved.

The invention discloses steel truss splicing and hoisting construction equipment which comprises a base and further comprises a fixing ring, a hydraulic cylinder is arranged on the base, telescopic rods are arranged at the telescopic end of the hydraulic cylinder, supporting rods are arranged at the top ends of the two telescopic rods, a cross beam is arranged between the two supporting rods, and the cross beam is arranged on the base. A steel wire rope is arranged on the cross beam, a fixing frame is arranged at the top of the fixing ring, a movable plate is arranged on the fixing frame in a sliding mode, a square groove is formed in the movable plate, a rotating disc is arranged in the square groove, and a driving mechanism drives a rotating rod and a rotating cylinder to rotate. The rotating cylinder pulls the multiple movable frames to be close to each other in a mode of being matched with the traction rope, and the transmission rod drives the pressing plate to descend in a mode of being matched with the supporting plate, so that splicing and hoisting of the steel truss are simpler and faster, the hoisting installation angle and height of the steel truss are convenient to adjust, and the construction efficiency is improved.

The invention relates to the technical field of data analysis, and discloses an intelligent safety guarantee platform for a crane. The platform is characterized in that a data acquisition module acquires crane operation parameters through a sensing network and performs feature extraction; the state monitoring module monitors and evaluates the states of steel wire rope abrasion and brake clearance key components; the basic operation and maintenance module formulates a maintenance plan based on the health indexes and historical data; the operation guarantee module carries out safety assessment on hoisting operation and generates a control scheme; the system management module monitors a platform operation process; and the knowledge base module performs association analysis on various data and constructs an intelligent operation and maintenance knowledge base. The method is suitable for various cranes such as portal cranes, bridge cranes and gantry cranes specified in GB / T 20776, and intelligence and precision of the crane maintenance process are achieved.

The invention relates to a pile foundation deformation indirect monitoring device and method based on optical fiber sensing, the device comprises a counterweight guide hammer, a steel wire rope, a distributed sensing optical fiber and a BOTDA optical signal demodulation device, the counterweight guide hammer is used for guiding the distributed sensing optical fiber to enter a drill hole, the steel wire rope is bound and connected with the counterweight guide hammer through a hanging ring above the counterweight guide hammer, and the BOTDA optical signal demodulation device is connected with the BOTDA optical signal demodulation device. The BOTDA optical signal demodulation equipment is used for pulling a counterweight guide hammer, the distributed sensing optical fiber comprises a connecting section, a measuring section I, a measuring section II, an optical signal input section and an optical signal output section, and the BOTDA optical signal demodulation equipment is used for collecting and analyzing an output Brillouin scattering light signal; the method comprises the following steps: 1, laying measuring points; 2, strain conversion; 3, geometric transformation; and 4, mechanical conversion. The device solves the limitation that the existing monitoring technology cannot carry out nondestructive testing on the existing pile foundation, and is simple in structural design, efficient in layout and easy to popularize.

The invention discloses a dynamic anti-swing control method of a grab ship unloader, a storage medium and computer equipment, and the method comprises the following steps: acquiring real-time operation state information of the grab ship unloader during operation through a multi-source sensor mounted on the grab ship unloader; a target feedback gain matrix corresponding to the grab ship unloader is determined through a gain scheduling table according to the real-time steel wire rope length and the real-time load in the real-time operation state information, and the gain scheduling table comprises an optimal feedback gain matrix corresponding to the combination of various steel wire rope degrees and loads; determining a target control law based on the target feedback gain matrix, and determining a target control signal of the grab ship unloader according to the target control law and the real-time operation state information; and driving the grab ship unloader to move according to the target control signal. Dynamic anti-swing can be achieved, and the operation precision and efficiency are improved.

The invention relates to the technical field of data processing, and discloses an elevator anti-falling self-adaptive protection method and system based on dynamic loads. The method comprises the steps that elevator operation data are collected through a sensor and filtered; calculating steel wire rope tension and load distribution deviation; performing window segmentation processing on the data to identify an abnormal state; evaluating risks in a graded manner based on the abnormality judgment result; executing a corresponding control strategy according to the risk level; the control result is compared with the expected effect, and the mechanical safety device is started when the deviation is too large. According to the method, accurate recognition of the abnormal state of the elevator, scientific quantification of the risk level and dynamic adjustment of the control strategy are achieved, so that unnecessary service interruption is reduced while the operation safety of the elevator is guaranteed, and the accuracy and adaptability of anti-falling protection are improved.

The invention discloses a straightening device for steel wire rope production, which belongs to the technical field of steel wire rope processing equipment and comprises a plurality of straightening rollers, a first roller group, a second roller group and a mounting plate. An adjusting sliding groove and an adjusting sliding block movably connected with the first roller set are arranged on one side of the mounting plate, and an adjusting screw penetrates through the adjusting sliding block. A first sliding groove movably connected with the first roller set is formed in one side of the adjusting sliding block, and a second sliding groove movably connected with the second roller set is formed in one side of the mounting plate. Adjusting screw rod sleeves are arranged at the end parts of the straightening roller wheels; the mounting plate is movably connected with a first screw rod and a second screw rod which are matched with the adjusting screw rod sleeves; the parameters such as the bending wavelength and the local stress peak value in the steel wire rope straightening process can be accurately adjusted, and the performance of the straightened steel wire rope can be improved.

The invention provides an automatic solar panel cleaning device for a large photovoltaic power plant. The automatic solar panel cleaning device comprises a walking mechanism, a cable driving mechanism, a rolling brush cleaning mechanism and a panel side limiting mechanism. The walking mechanism is installed on a track above the top edge of the photovoltaic panel and moves left and right along the track. The rope arranging mechanism is connected with the walking mechanism through a shell, comprises two independent cable arranging devices, is driven by two motors and is used for winding and arranging a steel wire rope so as to keep stable operation of the cleaning mechanism. The cleaning mechanism is hung below the walking mechanism through two cables and vertically moves along the surface of the photovoltaic panel to achieve cleaning. The plate side limiting mechanisms are symmetrically installed on the cleaning mechanism, can be tightly attached to the side vertical face of the photovoltaic plate or the edge of the frame and are used for assisting the cleaning mechanism in vertically moving on the plate face. The device has the advantages of being simple in structure, high in adaptability, stable in operation and high in cleaning efficiency, and is suitable for efficient and automatic cleaning of large-area solar panels.

The utility model discloses a lifting row with adjustable lifting point spacing, which relates to the technical field of lifting appliances and comprises a beam body and at least one lifting pulley block, upper lifting points are arranged at two ends of the beam body, the lifting pulley block comprises a plurality of transverse shafts which are transversely and detachably connected onto the beam body, and two ends of a third transverse shaft at the edge position are connected with two rope heads of a steel wire rope. Two fixed pulleys I in the direction of the first plane are arranged below the transverse shaft I at the other edge, fixed pulleys II are arranged at the two ends of the transverse shaft II in the middle, and the fixed pulleys II on the front side of the beam body and the fixed pulleys II on the rear side of the beam body are located on two parallel planes and are perpendicular to the first plane; the steel wire rope is sequentially connected with the second fixed pulleys and the two first fixed pulleys in series, a pulley is hung below the steel wire rope between every two adjacent second fixed pulleys in the same plane, and the distance between the pulleys can be changed by changing the position of the transverse shaft. According to the lifting row, a certain pair of lifting points can be independently adjusted, the operation is convenient and fast, and the stress of the whole group of lifting points is still balanced after the distance between the lifting points is changed.

The utility model discloses a leveling mechanism of an airing rack assembly of a clothes airing system. The leveling mechanism comprises the airing rack assembly, two steel wire ropes and two adjustable assemblies. The adjustable assembly comprises a steel wire rope fixing piece and an adjusting bolt. The tail end of the steel wire rope is provided with a plug with the diameter larger than that of a steel wire rope body. The steel wire rope fixing piece is provided with a connecting hole, the connecting hole comprises a large hole part and a small hole part which are transversely communicated, the steel wire rope penetrates through the large hole part and then transversely moves to enter the position where the steel wire rope penetrates through the small hole part, and the plug is blocked by the edge of the small hole part and limited to the lower side of the steel wire rope fixing piece; the adjusting bolt penetrates through the large hole part to be screwed on the airing rack assembly and limits transverse movement of the steel wire rope, and vertical displacement between the adjusting bolt and the steel wire rope fixing piece is limited through the limiting assembly; the tail end of the steel wire rope is limited and fixed with the steel wire rope fixing sheet; by screwing the adjusting bolt, the height of the steel wire rope fixing piece relative to the airing rack assembly is adjusted, and therefore leveling of the airing rack assembly is achieved; the device has the advantages of simple structure, convenience in installation and labor-saving and convenient height adjustment.

The invention discloses a liftable floating bottom structure device suitable for a deepwater experiment, and relates to the technical field of deepwater experiment pools. Comprising a floating bottom body, a lifting mechanism, a jacking device and a distributed detachable platform, each lifting mechanism comprises a winch, a steering pulley and a steel wire rope, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope bypasses the steering pulley located at the bottom of the deepwater experiment pool and is connected with the floating bottom body; the jacking device comprises an air cylinder, a connecting shaft, a guide wheel and a base, the air cylinder located on the base is connected with the guide wheel through the connecting shaft, and the guide wheel is connected with the guide sliding groove of the floating bottom body in a clamped mode. The distributed detachable platform is laid on the floating bottom body through the connecting support. The floating bottom device has the capability of performing experimental simulation on deepwater, shallow water and land structures at the same time, the working efficiency is improved, the labor cost is reduced, and the experimental requirements of a deepwater experimental pool model are better met.

The invention belongs to the technical field of wallboard assembly, and particularly discloses an assembly type wallboard hanging structure and a construction method thereof.The hanging structure comprises an installation groove, a hook, a hanging rod, a steel wire rope and a transferring and lifting assembly; the mounting groove is pre-formed in the bottom end of the structural beam, and a profiled groove is formed in the bottom end; the hook is pre-arranged at the upper end of the ALC wallboard and is clamped with the suspender; one end of the steel wire rope is detachably connected with the hook; and the transfer lifting assembly is connected with one end, penetrating through the mounting groove, of the steel wire rope, and lifts the ALC wallboard by tightening the steel wire rope, so that after the lifting rod is clamped into the hook, the two ends of the lifting rod are in contact with the mounting groove, and the ALC wallboard can move in the length direction of the mounting groove. The hanging structure is easy and convenient to operate and high in adaptability, the installation efficiency is greatly improved, the construction cost is reduced, and the construction complexity and the material damage risk caused by welding, nail shooting or bolt connection are effectively avoided.

The invention relates to an electromechanical special equipment steel wire rope quality safety monitoring device, and relates to the technical field of monitoring devices.The electromechanical special equipment steel wire rope quality safety monitoring device comprises a back plate, the front side of the back plate is provided with a rear extrusion assembly and a front extrusion assembly which are used for clamping a steel wire rope, and the front side of the back plate is provided with a coating assembly used for coating the steel wire rope with fluorescent coating; the rear extrusion assembly and the front extrusion assembly are located above the coating assembly, an observation assembly is arranged on the front side of the back plate, the observation assembly is located below the coating assembly, the observation assembly comprises a shading box fixedly arranged on the front side of the back plate, and extension openings are formed in the top end and the bottom end of the shading box; the surface of the steel wire rope is coated with the fluorescent paint, the light emitting condition of the steel wire rope is shot and observed in the shading box, fluorescence at the worn position of the steel wire rope can be faded or does not emit fluorescence at all, and therefore the specific wear condition and position can be visually seen, and the monitoring precision is improved.

The invention relates to the technical field of unmanned crown block control, and discloses an anti-swing control method and system for an unmanned crown block, and the method comprises the steps: preliminarily determining the initial transportation speed and the initial length of a steel wire rope of the unmanned crown block according to to-be-loaded mass information, to-be-transported distance information and historical information; the initial transportation speed is adjusted according to the load swing angle and the load swing angular speed, and the adjusted transportation speed is obtained; adjusting the initial length of the steel wire rope according to the environmental wind speed and the environmental wind speed change value to obtain the adjusted length of the steel wire rope; and the to-be-loaded mass information, the to-be-transported distance information, the transportation initial speed, the steel wire rope initial length, the load swing angle, the load swing angular speed, the environment wind speed, the environment wind speed change value, the transportation adjusted speed and the steel wire rope adjusted length are stored. Through multi-parameter collaborative optimization, the transportation efficiency is ensured, the anti-swing effect is improved, and the problems of response lag and poor adaptability in traditional crown block control are solved.

The invention relates to the technical field of construction safety detection, in particular to a building construction safety detection method and system based on BIM and VR technologies, and the method comprises the steps: obtaining tower crane operation data, steel wire rope attribute data, hoisting material attribute data and constructor positioning data in a hoisting process; based on the BIM technology, tower crane hoisting scene modeling is conducted, and the steel wire rope resonance risk and the hoisting material falling risk in the tower crane hoisting process are evaluated; determining a lifting material falling range and evaluating the exposure risk of the constructors in combination with the positioning data of the constructors; the comprehensive hoisting risk in the hoisting process of the tower crane is evaluated by combining the resonance risk of the steel wire rope, the falling risk of the hoisted materials and the exposure risk of constructors, and the hoisting risk of the tower crane is pre-warned and visually presented through the VR technology. By quantifying the resonance risk of the steel wire rope, the falling risk of lifted materials and the exposure risk of constructors in the operation process of the tower crane, the sensing ability and response efficiency of potential risks in the lifting process of the tower crane are effectively improved.

The invention discloses a multi-modal data fusion-based steel wire rope detection and real-time transmission method and system, and the method comprises the steps: starting a detection system, collecting a steel wire rope damage detection signal, collecting equipment position and operation state data, constructing an original data set, carrying out the preprocessing, building an incidence matrix, dividing a processing unit, and then extracting features, and forming an initial feature data set. And extracting damage features through a multi-branch network, strengthening the weight of a key region, fusing position and equipment state features through a multi-modal fusion module, generating fusion vectors, classifying and identifying, and outputting a structured detection result. And the acquisition equipment end performs grading processing on the data, distributes transmission channels according to priorities, dynamically adjusts parameters, adds integrity and time sequence identifiers, and the upper computer verifies the data integrity and triggers abnormal supplementary transmission. And the upper computer decodes the data, reconstructs the waveform, gives an alarm in real time in combination with preset parameters, and generates details of damage key information. Reliable technical support is provided for safe operation and maintenance of the steel wire rope in industrial scenes.

The embodiment of the invention relates to assembly, and discloses a snakelike arm assembly tool which is used for assembling a snakelike arm comprising a plurality of steel wire ropes, and each steel wire rope is sleeved with a clamping sleeve. Comprising a base; the fixing assembly is arranged on the base and is used for fixing the snake-shaped arm; the jacking assembly is arranged on the base, corresponds to the clamping sleeve of the snakelike arm and is used for preliminarily fixing the steel wire rope; the jacking assembly comprises a coarse adjustment structure used for rapidly positioning the steel wire rope and a fine adjustment structure used for finely adjusting the position of the steel wire rope. The tool is used for assembling the snakelike arm comprising the multiple steel wire ropes, each steel wire rope is sleeved with a clamping sleeve, the steel wire ropes can be rapidly positioned through a coarse adjustment structure in the jacking assembly, and the overall assembling efficiency of the snakelike arm comprising the multiple steel wire ropes is effectively improved; in addition, a fine adjustment structure is matched, the position of the steel wire rope can be finely adjusted on the basis of coarse adjustment positioning, and the matching position of the steel wire rope and the snakelike arm clamping sleeve is accurately controlled.