The 50/10 ton double girder gantry crane is a heavy-duty lifting equipment solution designed and manufactured by VINALIFT specifically for large-scale steel structure assembly yards. With a span of up to 40m and a travel length of 160m, the system not only meets the requirements for loading and unloading oversized and overweight cargo but also ensures absolute durability in outdoor environments.
Discover the detailed technical specifications and the multi-layer safety technologies equipped on this gantry crane system in the section below!
Applicable Technical Standards
- Crane manufacturing standard: TCVN 4244-2005.
- Working class: reaches FEM 2m standard.
- Structural design standard: Design deflection achieves 1/1000 at 100% load, using SS400/Q235 steel or equivalent materials.
- Inspection process: Ensuring weld quality with a strict inspection procedure: 100% VT test, 20% MT test, 20% UT test.
- Surface protection standard: Surface cleaning meets the Sa 2.5 standard on an automatic shot blasting line. Protective coating with Chugoku Epoxy paint with a total thickness of up to 250 µm, specially optimized for outdoor weather conditions.
Installation of the 50/10 ton double girder gantry crane
Detailed Technical Specifications
General Information & Standards:
- Equipment name: 50 / 10 ton double girder gantry crane.
- Quantity: 01 set.
- Crane classification: Working class belongs to the FEM 2m group (According to FEM Group).
- Legal regulations: Meets the technical requirements of the safety code for lifting equipment TCVN 4244-2005.
Capacity & Outreach:
- Safe Working Load (SWL): Main hook 50 tons, Auxiliary hook 10 tons.
- Outreach amplitude (Span/Runway): Main girder span is 40 meters wide, longitudinal travel length along the yard is 160 meters, lifting height reaches ~30 meters for both hooks.
Working Speeds (Using inverter for 2-speed control):
- Main hook hoisting speed (50T): Stepless control from ~0 – 2.7 m/min.
- Auxiliary hook hoisting speed (10T): ~0 – 3.5 m/min (with load) and up to 4.3 m/min (without load).
- Trolley travel speed: 50-ton trolley reaches 12.5/5 m/min; 10-ton trolley reaches 20/5 m/min.
- Gantry travel speed: Reaches 20/5 m/min.
- Material type: Uses SS400/Q235 steel or equivalent materials.
- Structural design: The steel structure system of the main girder, gantry legs, and end carriages achieves a design deflection of 1/1000 at 100% load.
Geometric Dimensions & Infrastructure:
- Rail span: 40 meters.
- Direct operation via a Joystick-type remote control system.
Drive Mechanism:
- Gantry travel motors: Consists of 08 motors with a capacity of 5.5 kW, manufactured by Sumitomo/Bonfiglioli.
- Hoist assembly/Gearbox: The main hook hoist assembly uses a Siemens (Innomotics)/Sumitomo motor combined with a Sumitomo gearbox and ZPMC drum hydraulic brake; the 10T auxiliary hoist is imported completely built-up from SungDo (South Korea).
- Wheel system: Uses 16 D500 wheels.
- Wheel material hardness: Made of 42CrMo steel, heat-treated to achieve a surface hardness of 38~42 HRC.
Trolley system installation
Electrical & Control System:
- Power supply system: Power supply along the runway and along the main girder both use Motorized cable reels (center point power supply).
- Control technology: Uses variable frequency drives (VFDs) for speed control from Mitsubishi/Yaskawa/Schneider. The electrical cabinet integrates Schneider contactors, relays, and MCCBs.
Electrical control cabinet system
Safety & Environment:
- Working environment: Ensures outdoor operation, withstanding a temperature range from +0°C to +40°C. The anti-corrosion protective coating is Chugoku Epoxy paint up to 250 µm thick.
- Safety warning system: Fully equipped with overload protection devices, hoisting limit switches, cross travel limit switches, rotary warning lights with sirens, and anti-collision sensors for the gantry crane.
- Auxiliary system: Fully equipped with access ladders, safety handrails, operating platforms, and maintenance platforms.
Main girder structure of the gantry crane with operating platform system and safety handrails
Practical Application
- The equipment is arranged at the outdoor assembly yard, responsible for:
- Function: Lifting and moving goods.
- Operating range: 160m travel length.
- Purpose of use: Serving the loading, unloading, and assembly of equipment.
- Handled objects: Oversized and overweight steel structures.
CONTACT INFORMATION: 📞 Hotline: 039.341.6686 📧 Email: contact@vinalift.vn / minhhieu@vinalift.vn
