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QD Universal Double-Girder Overhead Crane

Name: QD Universal Double-Girder Overhead Crane
SKU: 0

The universal overhead crane is a gantry-type lifting equipment, typically featuring a double-girder box-type steel structure (the main girder and end girders are welded into a box-shaped cross-section from steel plates, ensuring strength, rigidity, and stability). It mainly consists of the bridge frame (spanning above the work area, with the trolley traveling mechanism moving longitudinally along the high-railed track), the lifting trolley (equipped with a hoisting mechanism and trolley traveling mechanism, moving transversely along the main girder, some configured with main and auxiliary hooks—e.g., the main hook has a rated capacity of 200t and the auxiliary hook 50t, where the main hook is suitable for low-speed heavy lifting and the auxiliary hook for high-speed light-duty operations), and the electrical control system.

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Equipment Description

The universal overhead traveling crane is a gantry-type lifting equipment, commonly adopting a double-girder box-type steel structure (main girder and end girder formed by welded steel plates into box-shaped cross-sections to ensure strength, rigidity, and stability). It mainly consists of the bridge (spanning above the work area, with the trolley traveling mechanism moving longitudinally along the elevated track), the lifting trolley (equipped with hoisting mechanisms and trolley traveling mechanisms, moving transversely along the main girder, some configured with main and auxiliary hooks—e.g., main hook capacity 200t, auxiliary hook 50t—where the main hook handles heavy loads at low speeds and the auxiliary hook suits high-speed light-duty operations), and the electrical control system.

The hoisting mechanism integrates motors, gear reducers, drums, wire ropes, and other components, supporting ground control, cabin centralized operation, or wireless remote control. It can also be equipped with inch-motion, micro-speed, anti-sway, zero-speed suspension, and other intelligent modules for precise and efficient operations.

Application Fields

Widely applied in industrial production, logistics, and other scenarios:

Factory workshops: Handling raw materials (e.g., steel ingots), semi-finished products, and finished goods in machinery manufacturing and metallurgy industries;

Warehouses/logistics centers: Storage, loading/unloading, and cross-zone transfer of goods;

Ports/terminals: Container and bulk cargo (coal, ore) loading/unloading operations;

Stockyards/open storage areas: Lifting and stacking of bulk materials (sandstone, grain) or packaged goods.

Customizable with hooks, grabs, electromagnetic disks, and other attachments to cover diverse lifting needs.

Product Advantages

Robust structure, strong load-bearing and durability

Box-type bridge frames and other metal structures undergo rigorous flaw detection, with superior weld quality, supporting heavy-duty applications (5t~320t+, work grades A3~A8). Stable operation in -25°C~40°C environments meets industrial high-intensity, multi-condition demands.

Smart and efficient, precise controllable operations

Features inch-motion, micro-speed, zero-speed suspension (anti-slip hooks), electronic anti-sway, multi-hook/trolley synchronization, and stepless speed control for hoisting, trolley, and bridge movements, significantly improving positioning accuracy (repeat error ≤5mm) and handling efficiency. Some models support wireless IoT integration for full lifecycle management and remote monitoring via industrial platforms.

Versatile, flexible scenario adaptation

Optional hooks, grabs, electromagnetic disks, etc., cater to packaged goods, bulk materials, and magnetic cargo lifting. **Lifting capacity (5m~60m span, 5m~100m lift height)** and other core parameters support customization for workshops, warehouses, ports, etc.

Safe and reliable, low maintenance costs

Equipped with **load limiters, travel limit switches, anti-drop hooks, windproof clamps/rail grippers (outdoor models)**, etc. Modular drive and transmission components simplify daily maintenance (calibration, oil changes), reducing lifecycle costs.

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