43 results about "Container crane" patented technology

The utility model discloses a container lifting appliance for a container ship. The container lifting appliance comprises a lifting appliance body, a guide frame and a driving mechanism, guide frames are installed on the front side, the rear side, the left end and the right end of the lifting tool body, each guide frame comprises a telescopic rod penetrating through the edge of the lifting tool body, one end of each telescopic rod is fixedly connected through a movable plate, a guide rod is fixed to the other end of each telescopic rod, and an inclined face is arranged at the lower end of each guide rod so as to make contact with a container in advance and guide the container in the descending process of the lifting tool. The driving mechanism comprises a motor fixed to the outer side of the lifting appliance body, an output shaft of the motor is connected with a lead screw, the lead screw penetrates through a threaded hole of the movable plate and is connected with a check block, and the motor drives the lead screw to rotate so as to drive the guide frame to conduct telescopic adjustment, so that the lifting appliance can be accurately in butt joint with the container in the shaking state. The lifting appliance butt joint error is reduced through the adjusting function of the guide frame, and the operation stability is improved.

The invention discloses an electric energy feedback collection and load peak suppression system for a wharf crane, and relates to the technical field of wharf power supply and distribution and energy management. Wherein the wharf crane comprises a quayside container crane (quay crane), a rail or rubber-tyred container portal crane (gantry crane) and the like, which are called cranes for short hereinafter. According to the system, instantaneous power, average power, peak duration and power increasing rate of a wharf power station, feedback power and feedback electric energy of a crane, capacity and charging and discharging parameters of an energy storage device, and electric energy quality indexes of a power grid are collected in real time; respectively calculating a peak impact index, a feedback absorption coefficient, a peak valley switching coefficient and a harmonic suppression coefficient, and comparing and analyzing with a preset threshold to generate a corresponding strategy; and integrating the results of the modules, carrying out unified scheduling on the energy storage device, and realizing power fluctuation compensation and stable output through a smooth scheduling strategy, thereby constructing an operation mechanism. According to the method, the instantaneous peak power of the wharf power station can be effectively inhibited, the feedback energy consumption capability is improved, the peak-valley scheduling economy is optimized, the electric energy quality is improved, and the safety, stability and energy efficiency of system operation are improved.

The utility model relates to a quayside container crane driver with a heat dissipation device, and belongs to the technical field of drivers. The crane driver comprises an electric control cabinet, a power supply control board, a driving control board and a power-off protector, the power supply control board and the driving control board are arranged on one side in the electric control cabinet, the two control boards are arranged in parallel, and a heat dissipation device is further arranged in the electric control cabinet. The heat dissipation device comprises a first mounting plate, a second mounting plate, a fixing plate and a heat dissipation fan, the fixing plate is connected with the first mounting plate and the second mounting plate, the heat dissipation fan is arranged on the fixing plate, the fixing plate is provided with a fixing through hole which penetrates through the end faces of the two sides and is used for mounting the heat dissipation fan, and an output port of the heat dissipation fan corresponds to the control panel. Through the heat dissipation device, heat accumulation in the electric control cabinet is relieved, and the probability that the two control panels are overheated and burnt is reduced.

This invention relates to the field of remote crane control technology, specifically a crane control device, comprising a cabinet, a support carrier, and a guardrail. The cabinet is mounted on the support carrier; the guardrail is also mounted on the support carrier; the support carrier is the crane's frame or trolley; a control mechanism is installed inside the cabinet, which receives control commands remotely sent from the control room; the control mechanism integrates the crane's electric hoist control unit, trolley control unit, and crane trolley control unit; it also includes: a detection mechanism installed inside the cabinet; and a protective mechanism installed inside the cabinet, used to detect if the cabinet becomes loose. This invention achieves remote control of port container cranes by controlling the movement of the trolley and crane units within the crane, as well as the movement of transported containers, through the control mechanism; and it eliminates the need for personnel to frequently climb the crane to maintain the cabinet, greatly improving the convenience of inspections.

This utility model discloses a container loading and unloading bridge weight sensor junction box, enabling wiring between the weight sensor and the electrical control box. The box includes a housing; a main control board with an intelligent main control module is installed inside the housing; a temperature sensor and a humidity sensor, controlled by the main control module, collect temperature and humidity data within the housing; and a wireless communication module controlled by the main control module. An external terminal with a display is installed outside the housing, communicating wirelessly with the main control module and receiving temperature and humidity data from the main control module, which is then displayed on the screen. In this utility model, because the temperature sensor and humidity sensor are installed inside the junction box to detect the internal temperature and humidity, and the external terminal with a display shows the internal temperature and humidity, the internal conditions of the housing can be understood without opening the box.

The embodiment of the invention provides a quayside container crane transfer platform, an impact resistance verification method thereof and a readable storage medium, and relates to quayside container crane transfer platforms. The problem that a quay crane transfer platform based on static elastic design is insufficient in high-energy instantaneous impact resistance and light weight can be solved. According to the verification method, the platform structure enters a controllable plastic deformation stage through finite element calculation. When the total strain energy T is larger than or equal to the impact potential energy E, it is indicated that the structure converts impact kinetic energy into internal energy of materials through deformation modes such as reinforcing rib buckling and panel plastic upheaval, and effective dissipation of the energy is completed. And when the maximum strain value epsilon is smaller than or equal to the limit strain epsilon max of the material, it is ensured that the plastic deformation of the bearing component is always within the ductility capacity range of the material. Impact energy is actively dissipated through structural deformation, and the platform can be lighter and the cost can be reduced in combination with a manufacturing process.

The application provides a sling working condition detection method, a container crane and a port automation system. The method comprises the following steps: transforming a radar coordinate system into a target coordinate system, and calibrating the position of a sling center in the target coordinate system; obtaining radar information and calculating the edge position information of the sling in the current working condition according to the position of the sling center; calculating the relative position between the edge position of the sling and the to-be-lifted article according to the radar information and the edge position information, and judging whether the sling is in a safe working condition. The radar information obtained by the radar can be converted into a target coordinate system which is constructed according to the sling working environment, and the position information of the vehicle, the to-be-lifted article and the sling is identified. Whether the sling is in a safe working condition is judged by determining the relative position between the sling edge and the to-be-lifted article, so that the safety of the sling work is improved.

The invention discloses an active anti-swing and all-directional lifting appliance micro-motion system, relates to the technical field of cranes, solves the problems of efficiency loss and safety risk caused by lifting appliance swing of a traditional container crane, repeated correction cost of alignment deviation, adaptive fault of precision speed and automation requirements and the like, and comprises a crane carriage and a special lifting appliance, the hoisting trolley is connected with the winding system, the winding system comprises a plurality of steel wire ropes, the special lifting appliance comprises a lifting appliance upper frame and a plurality of steel wire rope fixing devices, the steel wire ropes are connected to the corresponding steel wire rope fixing devices, and corresponding moving devices are connected between the steel wire rope fixing devices and the lifting appliance upper frame. And the moving device drives the steel rope fixing device and the lifting appliance upper frame to move relatively. Through a winding system and a plurality of moving devices, a combined system of active anti-swing and omni-directional lifting appliance micro-motion is completed, and the dual effects of swing suppression and fine alignment are achieved.

The application discloses a container front crane driving speed limit comprehensive control method and a crane. On the basis of cooperating with the speed limit control of an engine and a gearbox, a plurality of multi-dimensional reference signals for auxiliary speed limit control, such as a sling load, a large arm position, a hoisting box weight and the like, are provided by a sling controller, a large arm length angle sensor and a pressure sensor. Through the participation of the above-mentioned multi-element auxiliary signals, auxiliary speed limit can be carried out by detecting the load condition and the sling position, the safe height and the safe extension of the sling movement are indicated, and through the intuitive guidance prompt information, the driver can timely execute the correction operation, the visual obstruction or the large arm action overrun is avoided, and therefore the safety of the container crane driving and operation is improved. Further, in combination with the signal for detecting the container weight provided by the application, different levels of speed limit values can be set as required, the fine speed limit function is realized, the safety is ensured, and the crane operation efficiency can be improved.

The application discloses a remote control type container crane and belongs to the technical field of hoisting devices. The container crane comprises a beam frame, a trolley mechanism sliding on the beam frame and a lifting plate hoisted by a sling. The sling is located at the two sides of the trolley mechanism, and the end of the sling away from the trolley mechanism is connected with a lifting appliance. The meshing of the rack and the spur gear can drive the rotating shaft to rotate, thereby the meshing of the driving bevel gear and the driven bevel gear can drive the adjusting rod to rotate, which is beneficial to adjusting the position of the adjusting rod relative to the connecting cylinder, so that the lifting appliances on the two sides can be simultaneously sleeved outside the lifting rod. When the lifting appliance is sleeved outside the lifting rod, the guide block is located at the flared portion, so that the sling can drive the one end of the steering rod to be upwardly raised during the winding process of the sling, which is beneficial to the sling to carry the adjusting assembly to the vertical direction and hoist the container, thereby avoiding the inclination of the container when the container is hoisted.

The application discloses a container crane control system and method based on situation awareness, relates to the crane control technical field, collects standard data of the crane, establishes a historical database about the characteristics of the crane after preprocessing and normalization, searches the historical database, selects the crane for executing the task by screening the same kind of goods tasks, analyzes the historical data, splits the task links, analyzes the task link completion degree, judges the link execution state, analyzes the characteristic deviation condition, thereby analyzes the influence degree of the characteristic on the link according to the characteristic deviation condition, comprehensively considers the task completion degree, thereby obtains the correlation coefficient of the link execution state on the task completion condition, analyzes the adaptation degree of the crane to the task, obtains the preselected crane, comprehensively considers the residual working time length of the preselected crane, selects the crane to receive the hoisting task, and the application controls the real condition of the container crane through the situation awareness, formulates the preventive measures, and enhances the overall operation stability.

The invention relates to the technical field of quayside container crane structures, in particular to a quayside container crane derailing prevention device which comprises a rail and a wheel set moving on the rail, two grooves are oppositely formed in the rail, a plurality of derailing prevention columns are arranged in each groove, and side plates are arranged on the two sides of each wheel set. According to the invention, the derailment phenomenon of the traditional wheel set during advancing on the track is effectively solved, the wheel set and the track are always kept in a connection state conveniently, and the wheel set is allowed to advance on the track, so that the phenomena of jack toppling, door leg buckling and the like caused by derailment are effectively avoided; by means of the mode that the multiple clamping sets circularly move on the side plates when moving along with the wheel sets, part of the multiple clamping sets are always used in cooperation with part of the anti-disengaging columns on the grooves, so that the effect that the wheel sets are always kept in the connection state with the track when moving on the track is achieved, and alternate and cyclic use of the multiple clamping sets is achieved.

The utility model relates to an electric double-body barge which comprises a barge body. The middle parts of the sheet bodies are connected into a whole through a connecting bridge, and each sheet body comprises a deckhouse and a container type power supply; the bridge type container crane is composed of a bridge and a container hoisting mechanism; the bridge frame comprises a metal box type supporting structure and a track; the shore power connection equipment comprises a rotating base mounted on the sheet body, an electric capstan wound with a cable is mounted on the rotating base, the shore power connection equipment further comprises a telescopic arm, one end of the telescopic arm is mounted on the rotating base, and a cable conveying device for releasing the cable is mounted at the other end of the telescopic arm; the electric catamaran barge adopts a catamaran type layout, has a larger deck operation space, can store more container type power supplies, has better stability, is beneficial to carrying out hoisting operation under complex sea conditions, meets the multi-scene power supply requirements, and also meets the green and environment-friendly requirements.

A harbour system (1) comprises a first harbour section (100) and a second harbour section (200), wherein the first harbour section (100) has at least one berth (4) for boats, at least one lock (5) having at least one lock chamber (5a, 5b) each having two lock gates, and a hydropower plant (2), wherein the hydropower plant (1) has at least one wave power plant (2a) having a pump module (16), which is driven by wave movements of a sea section (M), and a pumped storage means (6). The second harbour section (200) of the harbour system (1) has at least one container harbour basin (7) having at least one lock (8) with two lock chambers (8a, 8b), at least one container terminal (10) having at least one container crane unit (20) and at least one further pumped storage means (6a).

Provided in the present invention is an auxiliary tie rod for a front boom of a quayside container crane, which is applied to a quayside container crane. The quayside container crane comprises a main frame structure, a front boom and a main tie rod, wherein the front boom and the main tie rod are both connected to the main frame structure; and the main tie rod comprises a first tie rod and a second tie rod, with one end of the first tie rod and one end of the second tie rod being connected to the main frame structure, and the other end of the first tie rod and the other end of the second tie rod both being connected to the front boom. The auxiliary tie rod comprises: a first rod member, with a first end of the first rod member being hinged to the front boom; a connector, with a first end of the connector being hinged to a second end of the first rod member; and a second rod member, with a first end of the second rod member being hinged to a second end of the connector, and a second end of the second rod member being hinged to the middle of the second tie rod. By means of the provision of the foldable auxiliary tie rod between the front boom and the second tie rod, the present invention reduces the bouncing of the main tie rod and the sway of the front boom when a trolley picks and places a container, thereby improving the vertical stiffness of the front boom, and facilitating an improvement in the stability and reliability of the quayside container crane during operation.

The invention discloses a shoreside container crane safety early warning system based on deep learning, and relates to the technical field of mechanical engineering, and the shoreside container crane safety early warning system comprises the following steps: according to an evaluation result, identifying potential safety hazards causing risks of a crane through a causal graph analysis method by combining working state data and external factors; based on the potential safety hazards, the existence probability of future potential safety hazards is calculated through a Bayesian network analysis method, and the risk evolution trend is predicted according to the existence probability of the future potential safety hazards; and generating a safety early warning report based on the risk evolution trend. Through the multi-task learning model and the Bayesian network analysis method, comprehensive monitoring and risk assessment of the quayside container crane are realized. And the multi-task learning model generates a comprehensive safety score by jointly optimizing a plurality of related tasks, so that the overall performance and the early warning accuracy are improved.

The present application relates to a kind of shore-based container crane remote operation safety behavior evaluation method and electronic equipment, comprising: the operation action sequence of the driver to be evaluated is obtained and the state trajectory of work environment, construct multimodal time series dataset;Safety behavior benchmark model obtained by pre-training is called, and the behavior norm index under the expert strategy of operation trajectory is calculated;Operation action sequence is encoded, and the spatial risk sensitivity and time criticality of different work stages are quantified;Dynamic safety potential field model is constructed, and the repulsive potential energy between spreader and hoisting weight and environmental obstacles is calculated in real time, and trajectory safety margin index is generated;Fusion behavior norm index, spatial risk sensitivity and time criticality, and trajectory safety margin index, generate the safety behavior comprehensive evaluation result of the driver to be evaluated.The present application can automatically learn expert safety intent, have the differentiated evaluation ability to the space-time key characteristics of operation behavior, can effectively fuse physical world safety constraint.

The invention relates to a quayside container crane remote operation safety behavior evaluation method and electronic equipment, and the method comprises the steps: obtaining an operation action sequence and an operation environment state track of a to-be-evaluated driver, and constructing a multi-mode time sequence data set; calling a pre-trained safety behavior reference model, and calculating to obtain a behavior normative index of the operation track under the expert strategy; encoding the operation action sequence, and quantifying the space risk sensitivity and the time criticality of different operation stages; a dynamic safety potential field model is constructed, repulsive potential energy between the lifting appliance and the environment obstacle and between the lifting weight and the environment obstacle is calculated in real time, and a track safety margin index is generated; and fusing the behavior normalization index, the space risk sensitivity, the time criticality and the trajectory safety margin index to generate a safety behavior comprehensive evaluation result of the driver to be evaluated. The method can automatically learn the safety intention of the expert, has the capability of differentially evaluating the time-space key characteristics of the operation behaviors, and can effectively fuse the safety constraints of the physical world.

The invention relates to the technical field of crane remote control, in particular to a crane control device which comprises a cabinet body, a supporting carrier and guardrails, and the cabinet body is installed on the supporting carrier; the guardrails are installed on the supporting carriers. The support carrier is a frame of a crane or a crane carriage; a control mechanism is installed in the cabinet body and used for receiving a control instruction remotely sent by a control room. The control mechanism is integrated with an electric hoist control unit of the crane, a crane vehicle control unit and a cart control unit; the detection mechanism is mounted in the cabinet body; the protection mechanism is mounted in the cabinet body and is used after the cabinet body is loosened; according to the invention, the control mechanism is used for controlling the units such as the crane carriage and the cart in the crane to move and carrying the container to move, so that the remote control of the port container crane is realized; and the worker does not need to frequently climb up a crane to maintain the cabinet body, so that the convenience of the worker during inspection is greatly improved.

The utility model discloses a container crane anchoring device which comprises a connecting support, an anchoring rotating shaft is rotatably installed in the connecting support, and a driving frame is further installed on the connecting support. The driving assembly is arranged at one end of the anchoring rotating shaft and used for connecting the first anchoring plate with the anchoring rotating shaft and manually driving the anchoring rotating shaft to rotate; the connecting assembly is arranged at the other end of the anchoring rotating shaft and used for connecting the second anchoring plate with the anchoring rotating shaft; the electric mechanism is fixed to the driving frame, fixed to the connecting assembly through a connecting mechanism and used for automatically driving the anchoring rotating shaft to rotate. The anchoring device is reasonable in structure, anchoring can be conducted manually or electrically, the application range of the anchoring device is widened, and the using requirement can be better met.

The application discloses a variable rope length container crane anti-swing control method based on a phase plane trajectory planning, steps: obtaining a constant constant; inputting the constant constant into a lifting control parameter calculation model, the lifting control parameter calculation model outputs acceleration amplitudes a1 and a2, switching times t a1 、 t b 、 t a2 and t c ; determining a control scheme according to the above lifting control parameters, and controlling a trolley according to the control scheme, wherein the lowering control parameters are matched with the lifting control parameters in the control scheme. The method is suitable for any system taking a step acceleration signal as input, performing anti-swing control or relieving oscillation to finally realize zero oscillation, can control the load swing angle within the planned swing angle range, and relieve the residual oscillation of the system, and the residual oscillation is controlled below 4% of the maximum amplitude, which shows the effectiveness of the method and good application prospect.

The present application relates to a kind of greenhouse gas emission calculation method of container crane use stage.The present application proposes to define single cycle loading and unloading operation with the most busy working condition of crane design in port as the calculation benchmark, to solve the problem that the prior art lacks unified, standardized quantitative standard.The power consumption of hoisting mechanism, trolley mechanism and car mechanism in acceleration, stabilization, deceleration stages in the calculation of the single operation is calculated, and the total power consumption of single cycle is obtained by combining the constant energy consumption of auxiliary mechanism.Further, according to the design use level of crane, the intermediate loading and unloading times are taken, and the total power consumption in use stage is calculated.Finally, according to the corresponding emission coefficient of electric energy of power supply, the total power consumption is converted into total greenhouse gas emission.The present application provides an objective, simplified and general quantitative tool for the main emission source of container terminal, which is conducive to precise emission reduction and promotes the green and low-carbon transformation of crane manufacturing industry.

This invention discloses a remote control system for port container cranes. The system comprises a network monitoring module, a controller, a sensor array, a video encoder, and a remote operation terminal. The system utilizes the sensor array to acquire physical parameters such as spreader height, trolley and spreader speed, and distance from the top of the target container. It calculates the bandwidth allocation ratio coefficient for the region of interest in the video and sets mandatory numerical range constraints to achieve precise mapping between visual resources and operational urgency. To address the mechanical inertia of the trolley mechanism, the system employs a combination of trend prediction and physical boundary limiting to smoothly compensate for control commands. The rate of change of the predicted commands is limited by the maximum permissible acceleration, resolving motion misalignment issues caused by network jitter. This invention improves the system's fault tolerance under extreme operating conditions, ensuring high-definition feedback and inherent safety during remote container operations.

The utility model discloses a single side drive mechanism and container crane suitable for container crane relates to container crane technical field, and single side drive mechanism suitable for container crane includes: trapezoidal main beam, trapezoidal main beam, the first end of trapezoidal main beam sets a drive wheel and a first driven wheel, the second end of trapezoidal main beam sets a second driven wheel, monorail guiding device, a plurality of monorail guiding device are located between drive wheel and first driven wheel, and the transverse position of drive wheel, first driven wheel and second driven wheel on corresponding track is adjusted through monorail guiding wheel device. The above-mentioned single side drive mechanism suitable for container crane solves the technical problem that the existing container crane due to setting drive mechanism respectively on the both sides of container crane needs to set overhauling platform to assist maintenance worker to walk to and fro on the both sides of container crane, increases the workload of maintenance and overhauling, and the overall container crane occupies larger space, and the structure design is not reasonable.

The present application relates to container hoisting technical field, concretely is a kind of port container hoisting equipment with antiskid function, including hanger and the turnover plate being set to the front face both ends and back both ends of hanger, the outside of four lock head top is fixedly installed with connecting plate, one end of four connecting plate top is rotatably installed with transmission rod, the bottom and top of four hollow seats are respectively provided with first drive mechanism and second drive mechanism, the top of four installation supports is provided with adjusting mechanism, the inside of four hollow seats is provided with connecting mechanism.The beneficial effects of the present application are to solve the problem of the need for repairing or replacing damaged air cylinder in the prior art, the entire hoisting equipment downtime, affecting the container hoisting efficiency, the port container crane remote control system is directly connected with the hoisting device, and the hoisting device is controlled by remote command to complete the container lifting, transfer and lowering action.

A disassembly system for a quayside container crane, said disassembly system comprising: an installation assembly, which is detachably arranged on two ends of a pair of upper crossbeams; and a suspension system, which is arranged on the installation assembly, the suspension system being configured to hoist and connect the middle sections of the pair of upper crossbeams, thus enabling disassembly of a trapezoidal frame, trapezoidal frame diagonal tie rods, and a girder from the top of gantry legs, through the internal space between two sides of the gantry legs, down to the ground. The disassembly system for a quayside container crane enables safe, convenient and cost-effective disassembly of the upper structure of a quayside crane to the ground, while adapting to the disassembly requirements of most quayside crane models, facilitating safer, more economical, and efficient on-site operations.

The application discloses a kind of electric tire press for container crane wheel, comprising: box, including lower box and support frame supported on the lower box;Translation guide rail is supported on the lower box and is arranged with the lower side of the support frame;Translation trolley, including two, the translation trolley is arranged on the translation guide rail and can move along the translation guide rail;Lower push rod mechanism is fixed on the support frame, the lower push rod mechanism includes the lower pressure electric push rod arranged in the lower end of the lower push rod mechanism and the lower pressure push rod motor driving the lower pressure electric push rod up and down movement;Lower pressure positioning mechanism is connected with the support frame;Control box is electrically connected with the lower push rod mechanism and lower pressure positioning mechanism, and control the lower push rod mechanism and lower pressure positioning mechanism.The application also provides an electric tire pressing method.The application is high in efficiency, safe and environmentally friendly.

This invention provides a method for correcting the alignment and lowering the quay crane onto its tracks, comprising the following steps: S1, arranging a load-sharing beam and a vertical jack assembly under the balance beam of the quay crane's traveling mechanism on the sea side; S2, welding a horizontal lifting support onto the load-sharing beam and arranging horizontal jacks on the horizontal lifting support to lift the vertical jack assembly, causing horizontal displacement of the vertical jack assembly; S3, arranging a tractor on one side of the quay crane's traveling mechanism on the land side in the direction of movement, and fixing it to the balance beam of the quay crane's traveling mechanism on the land side; S4, adjusting the position of the quay crane's traveling mechanism on the sea side in the sea-land direction using the horizontal jacks, thereby correcting the alignment of the entire quay crane. This invention achieves the correction and lowering of the entire crane onto its tracks through a sliding mechanism. This method reduces the impact on the user's terminal operations, improves operational efficiency, avoids the use of large lifting equipment, and reduces costs.

This invention relates to the field of wire rope testing equipment technology, specifically disclosing a wire rope testing device for container cranes. The device comprises a main structure, a pair of connecting rods, a force-applying structure, a force-applying frame, and a testing structure. The main structure can be symmetrically assembled via the connecting rods. The force-applying structure is fixedly mounted on one end of the main structure. The force-applying frame is detachably mounted on the force-applying structure. The testing structure is fixedly mounted on the main structure and corresponds to the force-applying structure. This device allows for relative splicing or independent use, enabling adjustable single-rope or double-rope synchronous testing. It also allows for comprehensive testing of the wire rope's force and tilt angle, assessing the fixation and endurance of both ends of the rope to ensure safety during subsequent use.