General purpose overhead crane
Continuous Duty Double Girder Crane
Product Overview
The Heavy-Duty 24-Hour Traveling Double Girder Overhead Crane is engineered for relentless performance in the most demanding industrial environments. Specifically designed for continuous or near-continuous operation, this crane is built with superior durability, enhanced cooling systems, and high-endurance components. Its robust double-girder structure ensures maximum stability for heavy loads, while the high-performance hoist and travel systems provide reliable, round-the-clock material handling. This is the ultimate lifting solution for mission-critical applications where downtime is not an option.
Product Advantages
- Engineered for Continuous Operation: Built for A6–A7 work duties, this crane features heavy-duty motors, gearboxes, and electrical systems designed to handle the thermal loads of constant use, ensuring reliable 24-hour performance.
- Exceptional Durability and Longevity: With a reinforced structure, hardened gears, and premium components, this crane is designed to withstand the fatigue and wear of high-frequency, heavy-load cycles, ensuring a long and productive service life.
- Superior Load Control and Stability: The rigid double-girder frame provides a solid, stable platform, minimizing sway and vibration. Paired with VFD controls, it offers extremely precise and smooth positioning of critical loads.
- Enhanced Cooling Systems: Key components like motors and electrical cabinets can be equipped with enhanced cooling features (e.g., forced air cooling) to dissipate heat effectively during continuous operation, preventing overheating and failure.
- Uncompromised Safety: Designed for high-risk environments, this crane includes a full suite of advanced safety features, such as redundant braking systems, overload protection, and anti-collision devices, for maximum operational security.
Application Scenarios
- Steel Mills and Foundries: Ideal for continuous handling of molten metal, slabs, billets, and coils in high-temperature, 24/7 production environments.
- Automated Production Lines: Provides critical, reliable lifting for high-volume manufacturing and assembly lines that operate around the clock.
- Waste-to-Energy and Biomass Plants: A robust solution for the constant feeding of boilers and handling of materials in continuous-process facilities.
- High-Volume Port and Terminal Operations: Efficiently manages heavy cargo and containers in covered yards or warehouses with constant traffic.
- Paper Mills: Handles heavy paper rolls and pulp materials throughout the continuous manufacturing process, from raw material intake to finished goods storage.
Product Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 10t / 16t / 20t / 32t / 50t (Higher capacities available) |
| Span | 10.5 m to 35.5 m (Customized to facility layout) |
| Max. Lifting Height | 6 m to 40 m (Customized as per demand) |
| Work Duty | A6–A7 (Heavy to Very Heavy Duty) |
| Lifting Speed | 1–8 m/min (VFD controlled for precision) |
| Trolley Traveling Speed | 2–25 m/min (VFD controlled) |
| Crane Traveling Speed | 20–80 m/min (VFD controlled) |
| Hoist Type | Open Winch Trolley or Heavy-Duty Wire Rope Hoist Trolley |
| Hoist Motor | Heavy-duty VFD motor with enhanced cooling |
| Travel Motors | Heavy-duty VFD-controlled gear motors |
| Control Methods | Air-conditioned Cabin Control (Standard), Wireless Remote Backup |
| Power Supply | 3-Phase 380V/400V/415V/440V, 50/60Hz |
| Control Voltage | 24V / 36V / 48V (Safe control voltage) |
| Electrical Components | Schneider, Siemens, or equivalent high-endurance brand |
| Safety Devices | Redundant brakes, overload limiter, anti-collision system, heat shields |
| Working Temperature | -25°C to +50°C (Customized for extreme environments) |
| Protection Class | IP55 or higher |
| Paint/Finish | Multi-layer, heat-resistant, anti-corrosion paint system |
| Steel Grade | Q355B Carbon Structural Steel or higher |
| Wheel/End Carriage | Heavy-duty forged and hardened steel wheels; robust box-girder end carriages |
| Rail Size (typical) | P43, QU70, QU80, QU100 (Recommended for heavy loads) |
| Braking | Dual electromagnetic and/or hydraulic brakes on critical motions |
| Limit Switches | Rotary and cross-bar limit switches for all movements |
| Documentation | Certificate of Conformity, Full Test Reports, CE/ISO Certificates |
| Warranty | 1 Year (Extended options available) |
| Lead Time | 45–60 days (negotiable for specific configurations) |
Features at a Glance
- Designed for continuous 24-hour operation in demanding conditions.
- Heavy-duty A6–A7 work rating for maximum reliability.
- VFD controls standard on all motions for smooth, precise handling.
- Enhanced cooling and durable components for extended service life.
- CE-compliant design with advanced safety systems for mission-critical tasks.
FAQ
1. What’s the information should I provide when inquiry?
More details or drawings, better. A: Lift capacity B: Crane arm length C: lift height: hook travel distance D: What material to lift E: power source or other specials you give us will be more appreciated.
2. How many operating methods for my selection?
Standard operating methods: A: pendent controller with push buttons .B: remote control with push buttons. Choose any type as you like.
3. Can this type work in hazardous environment?
Sure! We can customize for you, acid proof or explosion proof, no problem for that.
4. What about warranty time ?
Use within the standard for the next 12 months.
5. How can we install the crane? Our senior engineer can be your side to do the installation guide service and training.
6. May I visit your factory?
Of course. We can pick you up at train station, high-speed rail station or airport, and book hotel for you.
