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7471results about "Cranes" patented technology

Wind turbine generator hoisting construction tower drum operation system and construction method thereof

The invention discloses a wind turbine generator hoisting construction tower drum operation system and a construction method thereof, and relates to the technical field of intelligent control. The problems that in the prior art, a static tension balance mechanism cannot restrain bending moment abrupt change, steel-concrete interface stress concentration causes microcrack propagation, the wave dynamic load compensation capacity is insufficient, and dynamic rigidity attenuation early warning is lacked are solved. Comprising a dynamic load prediction module, a multi-mode vibration suppression module, an offset compensation module and a digital twinborn decision module, a hoisting load is solved in real time through a multi-physics field coupling model and an improved time sequence deep learning algorithm, and interface crack propagation is suppressed in combination with traveling wave offset control and sweep frequency vibration. An improved Morison equation is adopted to drive a two-stage hydraulic servo to compensate a wave dynamic load, and a digital twin closed-loop correction mechanism is constructed based on a 5G URLLC protocol; the tower drum hoisting precision, the structural safety and the operation reliability under the complex working condition are remarkably improved.
Owner:ZHENGZHOU FENGHUO ELECTRIC POWER TECH CO LTD

Automobile hoisting device and method

The invention discloses an automobile hoisting device, and belongs to the technical field of engineering hoisting. The problems that the gravity center of a component is difficult to accurately determine, the position and posture control of a cargo boom is inaccurate, and the load cannot be adaptively adjusted exist in the hoisting process of an existing automobile crane. The device comprises a truck crane body, a cargo boom tail end execution module, a cargo boom body sensing module, an environment sensing module and a control module. The control module is internally provided with a dynamic gravity center correction unit, a multi-sensor fusion unit and a self-adaptive load control unit, processes related sensor data based on Kalman filtering, extended particle filtering and a model prediction control algorithm, and outputs an adjustment instruction. The method is mainly used for improving the accuracy, safety and efficiency of automobile hoisting operation.
Owner:CHINA HARBOUR ENGINEERING

Tower crane amplitude variation-rotation linkage self-adaptive control method for high wind load environment

The invention relates to the technical field of automatic control, in particular to a tower crane variable amplitude-rotation linkage self-adaptive control method oriented to a high wind load environment. The method comprises the following steps: step 1, acquiring an actually measured average wind speed at the height of the tower crane so as to determine a wind-induced coupling torque acting on a rotating shaft of the tower crane; 2, real-time equivalent rotational inertia generated by the dead weight of the cantilever crane, the suspended load mass and the relative position of the cantilever crane is calculated in real time; step 3, obtaining an original variable-amplitude torque instruction output by a variable-amplitude motor of the tower crane; and step 4, utilizing the rotating shaft to couple the rotational inertia so as to update the rotation angular velocity set value of the tower crane in the next control period in real time, and completing the amplitude variation-rotation linkage self-adaptive control of the tower crane. According to the invention, the safety, precision and continuous operation capability of the tower crane under complex construction conditions are improved.
Owner:山东中建众力机械工程有限公司

Intelligent agent control method and system

The invention relates to the field of crane management, and discloses an intelligent agent control method and system.The method comprises the steps that operation parameters and operation environment data are collected in real time through multiple sensors arranged on a crane and subjected to standardization processing; transmitting the processed data to an operation state analysis model, and outputting an operation state evaluation value so as to analyze the current operation state of the crane and predict potential risks; based on the analysis result, an optimization control instruction is generated and issued to each execution mechanism controller, and corresponding mechanisms are driven to execute precise actions; through multi-source data fusion and intelligent analysis, real-time monitoring and risk assessment of the running state of the crane are achieved, the self-adaptive capacity and safety of the control system are improved, the manual intervention requirement is effectively reduced, and the method is suitable for intelligent crane control in the complex working environment.
Owner:QUZHOU COLLEGE OF TECH

Automatic management system for ground control of tower crane

The invention provides an automatic management system for tower crane ground control, and relates to the technical field of tower crane ground control management. A dynamic multi-dimensional cost model is constructed by collecting spatial obstacle data, environmental risk indexes and time efficiency parameters, and an environmental protection reference value is generated and transmitted to a credit evaluation unit. The credit evaluation unit calculates an equipment health green credit score based on an environmental protection reference value and real-time operation data, and dynamically adjusts a green weighting factor of task allocation. And the task allocation unit constructs an economic decision matrix in combination with the cost parameter and the credit evaluation result, generates an optimal task allocation scheme through priority ranking, and triggers path optimization. And the task constraint unit optimizes the operation path and feeds back the energy recovery benefit to the cost model in real time. The visual interaction unit controls and manages in real time through a three-dimensional thermodynamic diagram and supports manual intervention. According to the system, resource optimization configuration and dynamic risk management and control of tower crane operation are achieved, and the construction efficiency and economical efficiency are improved.
Owner:FU JIAN ER JIAN JIAN SHE JI TUAN GONG SI +3

Tower crane monitoring system in intelligent construction site project

The invention discloses a tower crane monitoring system in an intelligent construction site project, which comprises a multi-modal sensor module, a digital twin modeling module, a dynamic risk map generation module and a display terminal, and is characterized in that the multi-modal sensor module covers the whole domain of a tower crane and multi-dimensional data of real-time operation of the tower crane, so that the problem of data isolation of a traditional system is solved; a tower crane three-dimensional dynamic model is constructed based on real-time multi-dimensional data, stress distribution and motion trail of a physical entity are simulated, the position prediction precision of a lifting hook is improved, and a three-dimensional risk thermodynamic diagram is generated through a dynamic risk map generation module, so that a worker can more visually check the risk level of each part of the tower crane, intelligent early warning is realized, and the working efficiency is improved. And the fault occurrence probability is reduced.
Owner:GUANGXI NORMAL UNIV OF SCI & TECH

All-domain safety monitoring and intelligent early warning system and method for construction site tower crane operation

The invention relates to the technical field of safety monitoring and early warning, and discloses a global safety monitoring and intelligent early warning system and method for construction site tower crane operation, and the method comprises the steps: deploying a multi-layer sensor network at a plurality of target parts of a construction site tower crane, and collecting the operation state data of the tower crane; carrying out extended Kalman filtering processing on the tower crane operation state data to obtain a tower crane sensor installation angle parameter and a non-integrity constraint lever arm parameter; performing global state estimation based on the tower crane sensor mounting angle parameter and the non-integrity constraint lever arm parameter to obtain a tower crane global state and external disturbance data; inputting the global state of the tower crane and the external disturbance data into a deep neural network, and performing safety boundary calculation to obtain a dynamic safety boundary model of the construction site tower crane; and performing risk measurement calculation based on the dynamic safety boundary model to obtain a safety risk grading early warning instruction, thereby improving the safety and collaboration of construction site tower crane operation.
Owner:SHENZHEN YIZHITONG INTELLIGENT TECH CO LTD

Handling truck

A handling truck comprises a mast assembly, a base, a moving assembly, and a connecting member. The base is fixedly disposed at the bottom end of the mast assembly, and the base is provided with a socket portion. The moving assembly includes a leg assembly and a connecting portion, wherein one end of the connecting portion is connected to the leg assembly, and the other end of the connecting portion is configured for socket engagement with the socket portion. The moving assembly is configured to drive the mast assembly to move on a plane. The connecting member is configured to pass through the socket portion and the connecting portion to achieve a detachable connection between the moving assembly and the base. The present application provides a handling truck capable of reducing packaging costs and transportation costs.
Owner:INTRADIN (HUZHOU) PRECISION TECHNOLOGY CO LTD

Crane load monitoring system and method for inhibiting swing

The invention relates to the technical field of automatic control, in particular to a crane load monitoring system and method for restraining swing, and aims to overcome the technical defects that according to an existing swing restraining scheme, control lag, effect attenuation and oscillation aggravation exist, and swing cannot be actively restrained from the root of movement of a crane. The system comprises a sensing module, a coupling model calculation module, a feedforward control module, a feedback correction module and an execution adaptation module. Wherein the coupling model calculation module is used for prospectively calculating a load swing trend based on crane motion parameters, and the feedforward control module is used for generating a compensation instruction in advance according to a predicted swing angle; and the feedback correction module performs closed-loop correction by using the actual swing angle. By the adoption of the technical scheme, efficient, active and whole-process suppression of crane load swing can be achieved, swing generation is weakened from the source, the operation efficiency is improved, and the operation threshold is lowered.
Owner:TIANJIN SPECIAL EQUIP INSPECTION INST

Mining narrow gauge flat crane

A mining narrow-gauge flat crane comprises a flat car frame and a lifting arm, the lifting arm is installed on the upper portion of the flat car frame, at least two sets of wheel pairs which are arranged in a front-back spaced mode are arranged at the bottom of the flat car frame, the wheel pairs are connected to a rail of a haulage roadway in a sliding mode, and telescopic supporting leg structures are arranged on the front side and the rear side of the flat car frame. The middle of the left side and the middle of the right side of the flat car frame are each provided with a propping column, the two propping columns are arranged in a bilateral symmetry mode, the flat car frame is further provided with a hydraulic pump station and a console, the underground power source provides power for a motor of the hydraulic pump station, and the hydraulic pump station provides hydraulic power for the lifting arm, the telescopic supporting leg structure and the propping columns. And the console controls the lifting arm, the telescopic supporting leg structure and the propping column to act respectively. The lifting device is flexible in lifting position, meets the requirement of lifting at various positions, has a car stabilizing function during lifting, is high in safety, and can greatly reduce the difficulty of manually loading and unloading materials and reduce the labor intensity of workers.
Owner:ZHENGZHOU COAL MINING MACHINERY (GRP) CO LTD

Ship crane capable of stabilizing and crane jib assembly

The invention provides a ship crane capable of stabilizing and a crane jib assembly, and relates to the technical field of ship cranes, the ship crane comprises a tail end rotating arm, a damping stabilizer is arranged below the tail end of the tail end rotating arm, and an anti-shaking lifting hook is arranged under the damping stabilizer; a lifting hook driving assembly for driving the anti-shaking lifting hook to ascend and descend is arranged in the tail end rotating arm, and stabilizer driving assemblies for driving the damping stabilizer to ascend and descend are arranged at the positions, close to the front end, of the two side walls of the tail end rotating arm. Different stages of cargo hoisting are dealt with in a sectional hoisting mode, in the initial stage of cargo hoisting, tearing or deformation of a hoisting point structure caused by transverse impact is avoided in a flexible connection mode by matching single-rope hoisting with high motion inertia of marine cargos, and after the cargos reach the target height, the hoisting point structure is lifted to the target height. The damping stabilizer drives the goods to be further lifted, the anti-shaking lifting hook adopts the double-rope design, the transverse rigidity is remarkably improved, and the high-precision positioning requirement for goods alignment is met.
Owner:JIANGSU HUACHENG INDAL

Deflection measuring device for crane boom

The invention discloses a crane boom deflection measuring device, and relates to the technical field of crane auxiliary equipment.The crane boom deflection measuring device comprises a base and a remote control end, a first stand column is connected to the upper portion of the base through a bearing, a second stand column is fixedly connected to the upper portion of the first stand column, and a connecting table is welded to the top of the second stand column; a connecting support is welded to the upper portion of the connecting table, a driving machine is installed in the middle of the connecting support, an arm frame is riveted to one side of the connecting support, a compensation mechanism is installed at the bottom of the arm frame, a hanging ring is fixedly connected to the bottom of the compensation mechanism, and an electric hoist is arranged on the hanging ring. A first laser sensor, a second laser sensor and a third laser sensor are installed on the bottom face of the arm support, the compensation mechanism comprises a disc, a first sliding groove and a second sliding groove are formed in the disc, and a sliding rod is installed below the first sliding groove. And the stability of the arm support is improved.
Owner:CHANGZHOU INST OF MECHATRONIC TECH +2

Tower crane system with offset repairing function and offset repairing method thereof

The invention provides a tower crane system with an offset repairing function and an offset repairing method thereof. The tower crane system comprises a base; the tower comprises a tower body, a cargo boom, a balance arm and a first rotating assembly. The monitoring assembly is configured to be used for monitoring the current offset, the current offset direction, the wind load and the wind direction of the tower body; the offset repairing assembly comprises a plurality of groups of compensation arms, a second rotating assembly, a third rotating assembly and a control unit; the multiple sets of compensation arms are rotationally connected with the tower body, and gravity compensation pieces capable of moving along the compensation arms are hung on the multiple sets of compensation arms. The control unit is used for predicting the future offset and the future offset direction of the tower body according to data monitored by the monitoring assembly and controlling the second rotating assembly to drive the multiple sets of compensation arms to rotate according to the future offset direction of the tower body so as to adjust the positions of the compensation arms. And the position of the gravity compensation piece on the compensation arm is adjusted according to the future offset of the tower body, compensation of the offset of the tower body is achieved, and the tower body is kept in a balanced state.
Owner:WUHAN HANGKE LOGISTICS CO LTD

Tower crane construction safety guarantee method and system

The invention relates to the technical field of tower crane safety monitoring, and discloses a tower crane construction safety guarantee method and system.The method comprises the steps that a multi-tower crane cross operation area is dynamically recognized based on tower crane parameter data and real-time operation state data, and a dynamic distribution diagram of the cross operation area is obtained; based on the tower crane load data and the environment parameter data, tower crane operation stability evaluation is conducted, and an operation stability evaluation value is obtained; performing dynamic collision risk analysis based on the dynamic distribution map and the operation stability evaluation value to obtain a dynamic collision risk index; setting an adaptive safety distance threshold based on the dynamic collision risk index; and grading early warning and intervention control are carried out based on a self-adaptive safety distance threshold. Through collection and fusion analysis of multi-dimensional data, comprehensive perception and dynamic monitoring of a multi-tower crane operation environment are realized, and dispersed tower crane safety monitoring can be integrated into a cooperative system, so that the safety management level of a construction site is remarkably enhanced.
Owner:SHANDONG LUQIAO GROUP CO LTD

Remote real-time operation system for tower crane

The invention provides a tower crane remote real-time operation system which comprises the following modules: a remote control system is used for receiving and converting an operation signal of a handheld assembly and transmitting the operation signal to a tower crane cab monitoring system, and the tower crane cab monitoring system is used for collecting operation parameters and environment data of a tower crane in real time and transmitting the operation signal to a remote control system; the operation signal and the collected data are sent to the tower crane lifting, amplitude-changing and corner integrated frequency converter control system, and the tower crane lifting, amplitude-changing and corner integrated frequency converter control system is used for controlling the lifting, amplitude-changing and corner actions of the tower crane in real time according to the operation signal or the collected data. The intelligent interaction control module cooperates with the multi-source data fusion analysis module and the building state sensing and feedback module, tower crane data, construction area building states and associated influence parameters are comprehensively integrated, the building state sensing and feedback module monitors building deformation and stress, it is guaranteed that construction and design are consistent in combination with a BIM model, the deviation is smaller than or equal to 3 mm, and construction safety and progress are guaranteed.
Owner:ANHUI SAISI ZHIWEI SECURITY TECH CO LTD

All-rotation hoisting pile driver for offshore ship

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.
Owner:SHANGHAI ZHENHUA HEAVY IND +1

Intelligent identification and alarm system for area hoisted by tower crane

The invention discloses an area intelligent identification alarm system for tower crane hoisting, which relates to the technical field of alarm systems and comprises a front-end data acquisition module, an acquired data processing module, a wireless network communication module, a hoisting safety analysis module and a safety alarm execution module. The visual detector, the detection sensor and the environment sensor form a multi-element acquisition module, hoisting parameters and environment information can be synchronously acquired in real time on the hoisting site of the tower crane, the comprehensiveness of information acquisition is ensured, and the problem that the traditional configuration is single in acquisition element and the cost is low is solved through the redundancy design of multiple acquisition elements. The method solves the problem that the existing tower crane is easy to fail, realizes real-time intelligent identification and graded early warning of potential safety hazards in a tower crane hoisting operation area, has the characteristics of high dynamic adaptability, high spatial resolution, intelligent response, high deployability and the like, and provides scientific and efficient technical support for safety management of tower crane operation.
Owner:SHANXI NO 3 CONSTR ENG

Tower crane hoisting whole process dynamic mapping and sensing coverage method and system

The invention relates to the technical field of intelligent control of engineering machinery, and provides a tower crane hoisting whole process dynamic mapping and sensing coverage method and system. The method comprises the following steps: respectively mounting two rotary radars on a rotatable bracket of the tower crane; the current hoisting operation stage of the tower crane is obtained in real time; switching a shooting view angle of the double-radar module according to the hoisting operation stage, and controlling the double-radar module to obtain continuous point cloud data of the corresponding operation stage; tower crane operation parameters are collected, and continuous lifting hook tracks are generated in combination with continuous point cloud data obtained by the double-radar module; identifying a dynamic obstacle and a static background contained in the target monitoring space from the continuous point cloud data, and constructing a construction environment point cloud model; performing space-time registration on the construction environment point cloud model and the physical coordinate system, and establishing a global dynamic map; and a dynamic sensing area coverage map is constructed by fusing the continuous lifting hook track and the global dynamic map, so that the real-time sensing of the space environment of the tower crane hoisting operation is realized.
Owner:GUANGDONG LIGHT SPEED INTELLIGENT EQUIP CO LTD +1

Alarm method, system and equipment for personnel intrusion in hoisting working area of automobile crane and medium

The invention provides a method, a system, equipment and a medium for alarming personnel invasion in a hoisting working area of an automobile crane, and relates to the technical field of safety guarantee in the construction process of the automobile crane, which comprises the following steps: setting the radius of the hoisting working area of the automobile crane, and acquiring suspension arm state information of the automobile crane in real time; calculating the position of a lifting hook in real time according to the state information of the lifting arm; calculating the position of a lifting working area in real time according to the position of the lifting hook and the radius of the lifting working area; acquiring a monitoring image in the lifting working area in real time; identifying the monitoring image in the lifting working area; and an alarm is given out when a person intrudes into the hoisting working area. The method has the advantages of strong pertinence of monitoring image acquisition, small limitation of use scenes, high working efficiency, strong environmental adaptability and high identification accuracy, and can meet the real-time safety guarantee requirement of the operation of the automobile crane.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO

Self-adaptive active leveling compensation method

The invention relates to the technical field of attitude control, and discloses a method for realizing self-adaptive active leveling compensation, which comprises the following steps: acquiring real-time data of a vehicle, the data being provided by a plurality of sensors; processing the real-time data through a data fusion algorithm; according to the inclination state and the motion parameters of the vehicle, hydraulic supporting leg adjusting parameters are calculated through a multi-objective optimization algorithm; according to the calculated hydraulic supporting leg adjusting parameters, the action of the hydraulic supporting leg is adjusted through a PI D controller for vehicle balance recovery; the stability of the hydraulic supporting leg adjusting system is verified through the Lyapunov stability theory, and the hydraulic supporting leg adjusting system is used for enabling the adjusting process of the hydraulic supporting leg to be completed in all operation states; and the vehicle inclination state is fed back in real time. By fusing multi-sensor data and adopting a Kalman filtering or particle filtering algorithm, high-precision perception of the real-time inclination state and dynamic parameters of the vehicle is realized, and a more accurate and reliable vehicle attitude judgment effect is obtained.
Owner:WEITU TECH (SHANGHAI) CO LTD

Installation of a wind turbine on a floating foundation

In an installation of a wind turbine on a floating foundation in floating condition and subject to sea-state induced motions, e.g. at the site of an offshore windfarm, use is made of a vessel with a crane arranged on the hull and provided with a hoisting system adapted to support the weight of the wind turbine and suspend the wind turbine from the crane. A heave compensation device compensates for sea-state induced heave motion of the wind turbine mast relative to the mast mounting structure of the floating foundation. Use is made of a mast alignment system configured to engage on the suspended wind turbine, e.g. on the mast of the suspended wind turbine, and to bring and maintain the mast of the wind turbine in alignment with the mounting axis of the floating foundation in order to compensate for sea-state induced motions, at least including tilt motions in one or more vertical planes, of the wind turbine mast relative to the mounting axis of the floating foundation.
Owner:ITREC BV

Lifting assembly of ship crane

The invention relates to the technical field of ship cranes, in particular to a ship crane hoisting assembly which comprises a ship crane, a sling connecting and fixing assembly is arranged below the ship crane, a hoisting frame assembly is arranged below the sling connecting and fixing assembly, and an object fixing frame is arranged below the hoisting frame assembly. The container lifting device has the beneficial effects that the lifting frame assembly is designed to be matched with the gravity center adjusting assembly and the auxiliary buffer frame assembly, and the first position sensor and the second position sensor are carried on the two sides of the object fixing frame, so that when a container is initially lifted, the gravity center adjusting assembly and the auxiliary buffer frame assembly are matched, and the gravity center adjusting assembly and the auxiliary buffer frame assembly are matched; whether the gravity center of the container deviates excessively or not is fed back, the independent sling winding roller set I and the sling winding roller set II are used for controlling the connecting sling to achieve winding or loosening of the winding roller adjusting sliding rail in the displacement process, the gravity center of the container is adjusted in the direction opposite to the deviation direction, and the stability of the container in the lifting process is guaranteed.
Owner:JIANGSU HAITAI OCEAN EQUIP CO LTD +1

Constant-flow control valve group, auxiliary arm control module, complete hydraulic system, and crane

A constant-flow control valve group, an auxiliary arm control module, a complete hydraulic system, and a crane. The constant-flow control valve group comprises: a cartridge valve; a cartridge reversing valve, comprising a working oil port on one side and a main oil return port and a reversing valve oil inlet selectively connected to the working oil port on the other side, the working oil port being connected to a control oil port of the cartridge valve, and the reversing valve oil inlet being connected to a main oil inlet of the cartridge valve; and a feedback on-off valve, disposed in a working feedback oil path connected between the main oil inlet of the cartridge valve and a main feedback oil port of the constant-flow control valve group. The auxiliary arm control module comprises the constant-flow control valve group and a main reversing valve. The complete hydraulic system comprises the auxiliary arm control module and an auxiliary arm luffing cylinder, and may further comprise a load-sensitive oil pump and a main valve. The present application can achieve the effect of directly connecting an auxiliary arm hydraulic system to an existing complete hydraulic system as a sub-module without altering the original system.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Energy storage system and method

An energy storage system includes a crane and a plurality of blocks, where the crane is operable to move blocks from a lower elevation to a higher elevation (via stacking of the blocks) to store electrical energy as potential energy of the blocks, and then operable to move blocks from a higher elevation to a lower elevation (via unstacking of the blocks) to generate electricity based on the kinetic energy of the block when lowered (e.g., by gravity). The energy storage system can, for example, store electricity generated from solar power as potential energy in the stacked blocks during daytime hours when solar power is available, and can convert the potential energy in the stacked blocks into electricity during nighttime hours when solar energy is not available, and deliver the converted electricity to the power grid.
Owner:ENERGY VAULT INC

Aerial high-risk area identification and hoisting path reconstruction method and system

The invention relates to the technical field of tower crane control, and provides an aerial high-risk area identification and hoisting path reconstruction method and system. The method comprises the following steps of: respectively mounting two rotary radars on a rotatable bracket of the tower crane to form a radar sensing module comprising a double-radar module; dynamically scanning the potential risk area in the construction scene through a radar sensing module to obtain real-time position information of the potential risk area; receiving the real-time position information through a processing module, and converting the real-time position information into real-time three-dimensional coordinate data in a motion coordinate system of the hoisting equipment by adopting a three-dimensional coordinate conversion algorithm; constructing a three-dimensional model of the potential risk area based on the real-time three-dimensional coordinate data; and identifying the three-dimensional model to determine a high-risk area, adopting an improved fast exploration random tree algorithm as a path obstacle avoidance algorithm, combining the three-dimensional model to dynamically reconstruct an initial hoisting path set by a user, and generating an optimal risk-avoiding hoisting track avoiding the high-risk area.
Owner:GUANGDONG LIGHT SPEED INTELLIGENT EQUIP CO LTD +1

Crawler crane rotation calibration system based on intelligent sensor

The invention relates to the technical field of crawler crane monitoring and control, in particular to a crawler crane rotation calibration system based on an intelligent sensor, which comprises a data sensing acquisition module, a data storage module, a counterweight adjusting device and a data processing module. According to the crawler crane rotation calibration system based on the intelligent sensor, dynamic parameters and static parameters related to the rotation process of the crawler crane are monitored and collected in real time through the multi-dimensional intelligent sensor, and the real-time overturning coefficient of the whole machine is determined according to the dynamic parameters and the static parameters; an adjusting strategy of the crane is determined according to the real-time overturning coefficient, and a counterweight adjusting device of the crane in the rotary table rotating state is adjusted to adjust the gravity center of the crane in the rotating process of the crane, so that overturning of the crane is avoided or prevented, and the rotating safety and reliability of the crane are improved; and the running safety of the whole crawler crane is ensured.
Owner:XUZHOU XUHUAI HEAVY IND TECH CO LTD

Intelligent and safe hoisting monitoring method for large-tonnage I-beam

The invention discloses an intelligent and safe hoisting monitoring method for a large-tonnage I-beam, relates to the field of construction safety, is based on a monitoring system consisting of a sensing layer, a transmission layer, a data layer, a decision layer and an execution layer, and comprises the following steps: deploying the sensing layer, constructing the transmission layer, configuring the data layer, constructing the decision layer and responding to the execution layer. Structural stress is monitored through a high-precision strain gauge and a distributed optical fiber sensor, the posture is monitored through an MEMS tilt angle sensor and a six-axis gyroscope, the state of the lifting appliance is monitored through a tension sensor and a visual recognition sensor, the environment is monitored through an ultrasonic anemograph and a laser radar, and multi-dimensional data collection is conducted through a displacement sensor monitoring device. Full-scene monitoring of the state of the I-shaped beam, the performance of a lifting appliance, the working environment and crane equipment is achieved, potential risks are captured without dead corners, the accuracy and reliability of data under complex working conditions are ensured, the problems that traditional monitoring data are prone to being interfered by the environment and insufficient in precision are solved, and the safety coefficient is increased.
Owner:CHINA COMM SECOND PUBLIC OFFICE EAST CHINA CONSTR CO LTD

Crane boom anti-collision method and system based on dynamic detection

The invention relates to the field of automation, and particularly provides a crane boom anti-collision method and system based on dynamic detection, and the method comprises the following steps: obtaining power parameters, motion data and structural data of a main engine boom and an auxiliary engine boom; determining the current position information of a main engine boom, and determining the current position information of an auxiliary engine boom; acquiring predicted deceleration position information and predicted stop position information of the main engine arm support based on the motion data, the power parameters and the structural data of the main engine arm support; based on the current position information of the main machine arm frame, the current position information of the auxiliary machine arm frame and the predicted deceleration position information and the predicted stop position information of the main machine arm frame, judging a collision risk assessment result of the main machine arm frame and the auxiliary machine arm frame; and when the collision risk assessment result is early warning, the main engine boom is decelerated, or when the collision risk assessment result is dangerous, the main engine boom is stopped. According to the anti-collision method, collision of the crane boom can be avoided.
Owner:SHANGHAI ZHENHUA HEAVY IND