Box-type Single Girder Gantry Crane: "efficiency armor" in open-air work areas
Under the scorching sun of open-air freight yards, amidst the steel structures of factory parks, box-type gantry cranes, like armored steel butlers, redefine the efficiency of open-air lifting with their "enclosed muscles and precise skills."
Technical Parameters:
| Lifting Capacity | 3 t~32 t (single hook/double hook optional) |
| Span | 7 m~35 m (commonly used 10~25m) |
| Lifting Height | 6 m~24 m (customizable) |
| Lifting Speed | 0.8~12m/min (single speed/dual speed optional) |
| Work Duty | A 3~A 6 |
1. Box-type Main Girder: Giving Cranes "Armor"
The box-type main girder acts like a closed steel backbone, tightly enclosing the transmission mechanism and electrical system.
Maximizes durability: Sandstorms, rain, snow, and weld slag splashes... External corrosion is blocked by this "armor," extending the life of bearings and motors by over 30%, making it particularly suitable for dusty and corrosive environments like ports and steel mills.
Subtly Reduced Wind Drag: The streamlined box cross-section reduces the drag coefficient by 25% during open-air operations, ensuring rock-solid stability even during typhoon season and minimizing equipment start-up and shutdown losses. 2. Dual-Mode Lifting: The Dual Side of Power and Precision
"Hercules" mode: Single-hook full-load lifting (flexibly customizable from 3 to 32 tons), lifting heavy materials like steel coils, containers, and precast beams with a single click. Dual-hoist models can simultaneously lift double the load, tackling extra-long and extra-wide workpieces.
"Embroidery" mode: Variable frequency drive + servo control, with stepless switching of lifting speeds from 0.5 to 10 m/min. When lifting precision molds and electronic equipment, the lifting speed is accurately positioned down to the millimeter level, eliminating swaying lifting. III. All-Around Application: A Multi-Purpose Machine from the Cargo Yard to the Workshop
Logistics: Stacking containers (single or multiple containers) in open-air yards, loading and unloading bulk cargo (coal/sand and gravel), dual-mode ground remote control and control room operation, enabling 24/7 continuous operation without fatigue.
Construction Site: Lifting precast bridge beams and high-rise building equipment (air conditioning units/elevators). The L-shaped outrigger model can be positioned against the wall, tackling the challenging space in corners and older factory areas.
Industrial Workshop: Transferring molds and relocating production line equipment. The lightweight enclosure design (such as the upper enclosure and lower flower structure) reduces wheel loads by 15%, allowing old factory buildings to be put back into use without reinforcement, saving both cost and time.