ME45+45T General Gantry Crane
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Product Introduction
Product Details
The ME45+45T general gantry crane (double trolley) is widely used in logistics and warehousing, port operations, railway yards, and industrial production.
Structural Composition
Gantry Structure: Composed of a main beam, upper and lower crossbeams, and legs on both sides to form a gantry frame, which is the main load-bearing structure of the crane. It usually uses welded steel plates or a truss structure, possessing high strength and rigidity to withstand various loads during operation and lifting.
Hoisting Mechanism: Generally installed on the trolley, it uses a motor, reducer, drum, and steel wire rope to lift and lower heavy objects. Some ME45+45T general gantry cranes typically have a double-trolley structure; it's also possible for a single trolley to be equipped with two hoisting mechanisms, each controlling a different hook to meet various lifting needs.
Trolley Traveling Mechanism: Drives the hoisting mechanism along the main beam. It usually consists of a motor, reducer, brake, and wheels, allowing the hook to move within the gantry's span for horizontal material handling.
Crane Traveling Mechanism: Drives the entire gantry along the ground track, enabling the crane to handle materials over a larger area. It generally uses independent dual-side drive for improved stability and reliability.
Electrical Control System: The "brain" of the crane, consisting of an electrical control cabinet, operating handles, limit switches, relays, and sensors. It controls the crane's starting, stopping, speed adjustment, and braking, ensuring safe, stable, and efficient operation.
Technical Parameters
Lifting Capacity: Rated lifting capacity is 90 tons, with the main hook at 45 tons and the auxiliary hook also at 45 tons. Lifting operations can be performed simultaneously or individually, suitable for heavier materials.
Span: Generally between 20 and 40 meters, allowing coverage of a wider operating area to meet the material handling needs of different sites.
Lifting Height: Typically between 10 and 30 meters, customizable based on actual working conditions and material stacking height to ensure materials can be lifted to the required position.
Duty Cycle: Generally A5-A6, suitable for medium-intensity work, capable of withstanding corresponding loads and work frequency within the specified service life.
Hoisting Speed: Main and auxiliary hook hoisting speed is generally 5-20m/min, with both lifting speeds being the same to ensure consistency when lifting materials.
Trolley Traveling Speed: Usually 20-40m/min, allowing for quick horizontal material handling within the gantry span, improving work efficiency.
Crane Traveling Speed: Generally 30-60m/min, allowing the crane to reach the work location quickly, reducing idle time, and improving overall work efficiency.
Performance Characteristics
Strong Load-Bearing Capacity: Dual-hook design with a large lifting capacity, capable of simultaneously lifting two 45-ton heavy objects and a total of 90 tons. Suitable for lifting large equipment, heavy components, and large quantities of goods, meeting the heavy material handling needs of numerous industrial fields and logistics sites.
Wide Operating Range: The large span and lifting height, along with the flexible operation of the trolley and crane, result in a wide operating range. It can perform comprehensive material loading, unloading, handling, and stacking operations in large yards, material yards, and factory workshops, improving space utilization and operational flexibility.
Stable and Reliable Operation: The stable and rigid gantry structure ensures smooth operation. Advanced drive and braking systems in each mechanism ensure smooth operation without impact or shaking, effectively guaranteeing safety and accuracy, reducing the risk of swinging and collision during material handling.
Simple and Safe Operation: The advanced electrical control system, lightweight and flexible operating handles, and high control precision allow operators to master operation skills after simple training. Complete safety protection devices, such as overload limiters, torque limiters, height limiters, travel limiters, trolley and crane rail clamps, and anchoring devices, monitor the crane's operating status in real-time to prevent accidents and ensure operator and equipment safety.
Strong Adaptability: Suitable for various complex indoor and outdoor working conditions, such as ports, railway yards, logistics warehouses, construction sites, and large factories. It can operate stably in harsh climates (high temperature, cold, humidity) and special environments (dust, corrosive gases), demonstrating strong environmental adaptability.
Application Scope
Logistics and Warehousing: In large logistics centers and warehouses, it can be used for loading, unloading, handling, and stacking goods, quickly and efficiently moving goods from transportation tools to designated storage locations, improving logistics efficiency and warehouse space utilization.
Port Operations: Can lift containers, bulk cargo, and general cargo, transferring and loading/unloading goods between docks, ships, and yards. Its large lifting capacity and operating range meet the high-intensity and high-efficiency operational needs of ports.
Railway Yards: Used for loading and unloading railway vehicles, lifting goods from railway cars to ground transportation tools or designated stacking areas, and loading goods onto railway cars, ensuring smooth railway transportation and improving the yard's operational capacity and logistics turnover speed.
Industrial Production: Widely used in the production workshops and raw material yards of various industrial enterprises, such as machinery manufacturing, metallurgy, chemical industry, and building materials. It can lift production equipment, raw materials, and finished products, assisting in smooth production processes and achieving efficient material flow and handling.
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