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MZ Universal Gantry Crane

Name: MZ Universal Gantry Crane
SKU: 0

The universal gantry crane is a bridge-type lifting machinery with a gantry-shaped metal frame as its core structure. The main body often adopts a double-girder box-type welded structure (preferred for large lifting capacities and wide spans, enhancing overall rigidity and bending resistance). It can also use a single-girder structure (economically suitable when the lifting capacity is ≤50t and there are no special working conditions). The legs are divided into rigid legs (for small-span scenarios) and flexible legs (for spans exceeding 30 meters, compensating for thermal deformation and ensuring structural stability), supported by ground rails and running along the track.

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Equipment Description

The gantry grab crane is a bridge-type lifting machinery with a door-shaped metal frame as its core structure. The main body often adopts a double-girder box-type welded structure (preferred for large lifting capacities and wide spans, enhancing overall rigidity and bending resistance) or a single-girder structure (economical for lifting capacities ≤50t without special conditions). The legs are categorized as rigid legs (for small spans) or flexible legs (for spans over 30 meters, compensating for thermal deformation and ensuring structural stability), supported by ground rails for movement.

The grab device is customized and can be adapted to material characteristics (e.g., looseness, moisture content, block size) with options like open-type, toothed, or multi-hole designs. It enables a fully automated process of "grasping - lifting - transferring - automatic unloading" via mechanical or hydraulic systems. The equipment integrates a lifting trolley (with hoisting and trolley travel mechanisms for horizontal adjustment along the girder) and a long-travel mechanism (often separately driven by motors, reducers, and brakes for smooth rail movement). The electrical system employs variable frequency speed regulation and PLC control, supporting centralized cabin operation or wireless remote control. Safety features include load limiters, anti-slip windproof devices, wind speed alarms, and skew limiters (mandatory for spans ≥40 meters), ensuring comprehensive operational safety.

Application Fields

Widely serving bulk cargo handling, transfer, and storage scenarios, including:

Port terminals and railway yards: Handling loading, unloading, transfer, and high-density stacking of bulk materials like coal, sand, ore, and grain.

Mining and metallurgical plants: Facilitating material transfer and workflow for ores, mineral powder, and steel slag.

Power plants (including waste-to-energy) and cement plants: Conducting suspended operations for bulk materials like coal, waste, and raw cement.

Construction engineering: Assisting in subway tunnels, power stations, and bridge projects for lifting and transferring loose construction materials like concrete and sand.

Product Advantages

Automated Operations, Leading Efficiency

Through grab-electrical system coordination, the entire "grasp-unload" process is completed without manual assistance, significantly reducing labor costs. Bulk cargo handling efficiency improves by over 30% compared to traditional manual support.

Stable Structure, Strong Load Capacity

The double-girder box-type welded structure (or compatible single-girder design) adapts to high-intensity, heavy-load environments like ports and freight yards. Some models achieve lifting capacities of dozens of tons or more, meeting heavy bulk cargo lifting demands.

Customized Grabs, Broad Adaptability

Grasping forms (e.g., open-type for grain, toothed for ores, multi-hole for wet slag) are tailored to material properties (loose bulk, moist materials, blocky items), covering coal, sand, ore, grain, waste, and other bulk handling scenarios.

Smart Safety, Controllable Risks

Integrated load limiters, anti-slip windproof devices, real-time wind monitoring, and precision positioning ensure "smooth lifting, accurate alignment, zero-impact operation" with variable frequency speed regulation and PLC control. Some models support 5G remote monitoring and smart scheduling for enhanced safety and management efficiency.

Convenient Maintenance, Flexible Deployment

Dust-proof seals and cable reel designs reduce component wear, with quarterly maintenance requiring only "limit switch calibration and brake pad inspection." Modular designs (e.g., split long-travel mechanisms, pre-installed cable slide systems) cut on-site installation time by 50%, enabling rapid deployment across diverse sites.

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