Dynamic weighing management system for dock portal crane unloaders

WTZ/L-A700 typeDynamic weighing management system for dock portal crane unloadersIt is a high-precision and intelligent lifting safety and efficiency management solution specially designed for bulk cargo logistics in ports. This system not only realizes real-time safety protection for crane loads, but also significantly enhances the accuracy and efficiency of lifting operations, promoting a comprehensive upgrade of port equipment management towards informatization and intelligence.

Dynamic weighing system for portal cranes

Dynamic weighing system for ship unloader

Core functional features

• ​High-precision dynamic weighingIt integrates weight sensors, Angle sensors and dynamic sensors to collect lifting data in real time. The weighing accuracy is ≤2%, with reliable cumulative accuracy, meeting the requirements of high-intensity operations.
• ​Multidimensional data monitoringIt displays key parameters such as weight, height, amplitude, wind speed and direction in real time, and supports safety warnings and sound and light alarms for overloading, strong wind and limit, ensuring operation safety.
• ​Full-process operation managementRecord detailed information such as operators, processes, berths, vessel names, and cargo names, and support multi-dimensional statistics, screening, and report export by work teams, vessels, equipment, time, etc.
• ​Remote communication and controlIt is equipped with 4G and bus communication modules, supporting remote data transmission and real-time monitoring. It can be optionally equipped with Modbus TCP/IP service gateways and industrial switches to adapt to complex industrial environments.

System configuration and performance

• ​Weighing display7-inch TFT LCD screen, LED backlight, resolution 800×480, brightness 450cd/m², equipped with Cortex A8 CPU, storage expandable up to 32G, operating temperature range -30℃ to +70℃, strong anti-interference ability.
• ​Dynamic sensorOperating voltage: ±12V to ±15V, bandwidth: DC to 25KHz, linear deviation: ≤±1%, suitable for harsh working conditions.
• ​Signal acquisition and processing moduleIt supports functional modules such as weight collection, relay control, and height collection, flexibly adapting to various types of port lifting equipment.

Application value

This system is widely applied to large-tonnage lifting equipment such as port gantry cranes and ship unloaders, significantly enhancing the efficiency of single-hook operations, achieving information-based recording and statistics of workloads, and accelerating the digitalization process of port logistics management. Meanwhile, the system can be expanded to integrate intelligent solutions such as anti-collision monitoring, metal stress monitoring, non-destructive testing of steel wire ropes, equipment fault diagnosis, and strong wind alarm platforms, facilitating the construction of an integrated platform for the operation and maintenance management and remote control of all equipment.