Henan Aifite Intelligent Equipment Co., LTD.
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A "Hardcore Assistant" for Lifting Heavy Concrete Components on Construction Sites: Double-Girder Mobile Gantry Crane – Efficiency and Safety in One Go!
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Product Introduction
On construction sites, lifting heavy concrete components (precast box girders, bridge pier blocks, large foundations) has always been a major challenge – fixed equipment can't reach them, manual operation lacks precision, and heavy components cannot be moved lightly, delaying the construction period and posing safety hazards. This double-girder mobile gantry crane is specifically designed for lifting heavy concrete components, equipped with wireless remote control and an 80 T rated load capacity, maximizing both lifting efficiency and safety!

Technical Parameters:
| SWL | 80 tons (large tonnage can be customizable) |
| Work Duty | A6 (compliant with GB/T 3811 standard, suitable for frequent and heavy lifting operations on construction sites) |
| Applicable Operating Conditions | Applicable working conditions: Outdoor/semi-outdoor construction sites (lifting and transporting precast concrete components for bridges, subways, and large-scale building construction). |
| Span | 18-30 m (can be customized according to the dimensions of components on site) |
| Control Method | Industrial-grade wireless remote control (remote control distance ≤100 m, suitable for open working environments on construction sites). |
Key Highlights: Precisely Addressing the Pain Points of Concrete Component Lifting
1. Robust Double-Girder Structure, Capable of Withstanding the Weight of Heavy Concrete Components
By marking a rated load capacity of SWL 80 T, the double-girder frame and high-strength steel welding construction steadily support large-volume precast concrete components (such as the box girder shown in the image), preventing deformation due to excessive weight or irregular shape. It is perfectly suited for heavy materials in bridge, subway segment, and other engineering projects.
1. Addressing the brittle and easily damaged nature of concrete, specialized lifting equipment such as a balanced lifting beam ensures even stress distribution on components during lifting, preventing edge damage and reducing material waste.
2. Portable + Wireless Remote Control: Precise Deployment Anytime, Anywhere on the Construction Site
Portable and Site-Centric: Equipped with wheels, eliminating the need for pre-constructed infrastructure, it can be moved directly from the precast component storage area to the transport flatbed truck. Cross-area lifting eliminates the need for secondary handling, covering even the most remote corners of the construction site.
Wireless Remote Control Enhances Safety: Operators can clearly see the alignment of the component with the lifting point from a safe area, adjusting the lifting angle to millimeter-level precision. This avoids damage to concrete components and eliminates the risk of blind spots during lifting, allowing for precise operation by a single operator.
3. Saves labor and materials, directly accelerating hoisting efficiency. Traditional heavy component hoisting takes up to 2 hours just for "equipment debugging + manual hoisting." With this crane, from alignment to placement, it can be completed within 20 minutes, directly reducing hoisting time by 80%.
No need to build temporary hoisting platforms, saving site modification costs and reducing component waiting time, accelerating the workflow.
Real-world scenarios: A "must-have tool" in engineering.
For example, in bridge engineering: After precast box girders are transported from the factory to the construction site, this crane moves directly to the flatbed truck, remotely aligns with the hoisting points, and smoothly hoists the box girder to the bridge erecting machine position. No additional platform is needed, saving nearly 10,000 yuan in site modification costs. Another example is subway segment construction: Large concrete segments are stacked next to the foundation pit. The crane moves to the edge of the pit, remotely lowers the segments, and precisely connects them to the tunnel boring machine, preventing collisions and cracks during transport and reducing rework losses.
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