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CE
ISO 9001
SGS
10-Year Structural Warranty
Truss-Type Beam Lifting Gantry Crane
A lightweight, cost-effective, and highly wind-resistant beam lifting solution, perfectly engineered for safe precast handling in coastal areas and temporary construction yards.
50t - 200t
Capacity
6 (Working)
Wind Level
20m - 50m
Span
A3 - A5
Working Class
Fast global delivery · 24/7 engineering support · CE & ISO certified
What is a Truss-Type Beam Lifting Gantry Crane?
A truss-type beam lifting gantry crane is a heavy-duty industrial lifting machine featuring an open lattice steel framework. Bridge contractors utilize this specialized equipment to hoist and transport massive precast concrete beams. Its aerodynamic design guarantees superior wind resistance and structural stability across challenging coastal construction environments globally.
Equipment Overview
A truss-type beam lifting gantry crane accelerates massive bridge construction operations significantly across windy coastal regions. Engineers deploy this advanced lattice girder bridge erector to handle heavy precast concrete segments safely. The specialized truss structure gantry crane minimizes dangerous wind resistance during complex hoisting tasks perfectly. Operators manipulate colossal highway girders precisely using our reliable lattice frame beam lifter daily. This robust precast concrete truss crane reduces overall project completion time drastically for demanding bridge contractors. You achieve continuous production efficiency incorporating this wind-resistant gantry lifter into expansive fabrication yards.
Technical Specifications
| Parameter | Engineering Specification |
|---|---|
| Rated Lifting Capacity | 50t – 300t (Customizable for dual-trolley operations) |
| Structural Span | 20m – 50m (Modular adjustment via truss sections) |
| Maximum Lifting Height | 10m – 22m |
| Hoisting Speed (Full Load) | 0 – 1.5 m/min |
| Trolley Travel Speed | 0 – 10 m/min |
| Gantry Travel Speed | 0 – 10 m/min |
| Maximum Operating Wind Speed | Level 6 |
| Non-Operating Wind Resistance | Level 11 |
| Primary Power Generation | Motorized Cable Reel (380V/400V, 50Hz/60Hz) / Diesel Generator Set |
Application Scenarios
Coastal Bridge Construction
Contractors lift heavy precast concrete segments safely despite continuous high-velocity ocean winds and highly corrosive marine environments.
Expansive Precast Yards
Operators transport massive freshly poured bridge girders from curing stations directly to heavy transport vehicles efficiently.
Why Engineers Choose This Equipment
Feature
Engineering Benefit
Superior Aerodynamic Performance
The truss-type beam lifting gantry crane features an open steel lattice framework. This minimizes dangerous wind loads significantly during severe coastal operations.
Exceptional Payload Capacity
Engineers reinforce the main structural nodes with high-strength alloy steel plates. The lattice girder bridge erector lifts 300-ton concrete segments safely.
Adaptable Span Dimensions
Construction teams modify the modular bolted truss sections rapidly to accommodate varying yard layouts. This maximizes fabrication site utilization efficiently.
Synchronized Variable Hoisting
Advanced PLC networks synchronize dual lifting trolleys flawlessly. The truss structure gantry crane ensures perfect horizontal concrete beam alignment continuously.
Energy-Efficient Operation
Closed-loop variable frequency drives regulate massive electric motors precisely during heavy lifting cycles. This reduces overall terminal power consumption drastically.
Rapid On-Site Assembly
Technicians assemble the modular lattice frame beam lifter quickly using heavy-duty pin connections. This eliminates expensive specialized welding procedures entirely.
Frequently Asked Questions
How does the open lattice framework improve operational safety in high-wind regions?
The engineered truss structure reduces the wind-facing surface area by over 40% compared to solid box girders. This minimizes aerodynamic drag, allowing continuous safe lifting operations even during Level 8 wind conditions.
What specific maintenance protocols do the bolted structural nodes require?
Maintenance teams must inspect high-strength friction grip bolts using calibrated torque wrenches every 500 operating hours. Technicians also perform routine ultrasonic non-destructive testing on primary load-bearing pin connections annually.
Can construction crews adjust the crane span for different fabrication yard layouts?
Yes. Engineers utilize modular truss segments connected via heavy-duty structural pins. Technicians insert or remove specific intermediate sections to modify the exact span width between 20 and 50 meters efficiently.
How does the control system synchronize dual lifting trolleys under asymmetrical loads?
The central Siemens PLC network monitors absolute encoders on both hoisting winches constantly. Closed-loop variable frequency drives adjust motor speeds instantaneously, maintaining absolute horizontal leveling regardless of center-of-gravity offsets.
What protective coatings prevent structural corrosion in severe marine environments?
Technicians apply a three-layer marine-grade epoxy zinc-rich paint system. This specialized 320-micron coating protects the entire steel lattice framework against severe saltwater corrosion, guaranteeing a prolonged operational lifespan globally.
What is the typical lead time for delivery?
Standard lead time is 30-45 days depending on configuration and current production schedule. We provide a firm delivery date with every quotation.
Do you provide installation and commissioning support?
Yes. Our engineering team can travel to your project site to supervise installation, provide training for your crew, and commission the equipment. Remote video support is also available.
What warranty do you offer?
All our structural equipment comes with a 10-year structural warranty and 2-year comprehensive warranty covering manufacturing defects. Extended warranty options are available.
What shipping methods are available?
We ship worldwide via container (FCL/LCL), flat rack for oversized components, or RO-RO for self-propelled equipment. FOB, CIF, and DAP terms are available.
Do you offer custom engineering solutions?
Absolutely. Our engineering team works with your project specifications to customize span length, lifting capacity, and control systems to meet your exact bridge construction requirements.
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