Gantry crane
High-Quality Hydropower Station Gantry Crane | Gate Hoisting, CE-Compliant, Customizable

Product Overview
This High-Quality Hydropower Station Gantry Crane is a specialized, heavy-duty lifting system engineered for the unique and demanding environment of hydroelectric facilities. Built on a robust double-girder frame, this rail-mounted gantry crane is designed for critical tasks such as gate hoisting, trash rack cleaning, and spillway maintenance. With a focus on absolute reliability, precision control, and all-weather durability, this crane provides the strength and safety required to ensure the continuous and efficient operation of power generation infrastructure.
Product Advantages
- Engineered for Hydropower Applications: Specifically designed for tasks like lifting heavy spillway gates and handling trash racks, this crane features the precise control and robust construction needed for critical dam operations.
- All-Weather Durability: Built to withstand harsh outdoor conditions with an IP55 protection rating, a multi-layer marine-grade paint system, and components selected for their resistance to moisture and corrosion.
- Uncompromised Safety and Reliability: Designed for A5-A6 heavy-duty cycles with redundant safety systems, including dual brakes, overload limiters, and anemometers, to ensure maximum operational safety and reliability where failure is not an option.
- Precision Control with VFD: Standard Variable Frequency Drives (VFDs) on all motions provide exceptionally smooth, slow, and precise movements, which is essential for the delicate positioning of gates and other critical equipment.
- Long-Term Performance: Constructed with high-strength Q355B steel and premium, durable components, this gantry crane is built for a long service life with minimal maintenance in a challenging 24/7 operational environment.
Application Scenarios
- Spillway Gate Hoisting: Precisely lifting, lowering, and holding heavy radial or vertical lift gates for flow control, maintenance, and emergency operations.
- Trash Rack Cleaning: Deploying and operating trash rack cleaning machines to remove debris and ensure unobstructed water flow to the turbines.
- Intake Gate and Bulkhead Handling: Installing and removing intake gates and maintenance bulkheads for turbine dewatering and inspection.
- Turbine and Generator Maintenance: Lifting heavy components such as runners, shafts, and generator rotors during planned outages and major overhauls.
- General Dam Maintenance: Handling miscellaneous equipment, stoplogs, and construction materials anywhere along the dam crest.
Product Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 20t to 200t+ (Customized for specific gate/equipment weight) |
| Span | 12 m to 40 m (Customized to dam crest width) |
| Max. Lifting Height | 10 m to 100 m (Customized for dam height) |
| Work Duty | A5–A6 (Medium to Heavy Duty) |
| Lifting Speed | 0.5–5 m/min (VFD controlled for precision) |
| Trolley Traveling Speed | 2–20 m/min (VFD controlled) |
| Crane Traveling Speed | 10–60 m/min (VFD controlled) |
| Hoist Type | Open Winch Trolley, often with dual lift points or specialized beams |
| Hoist Motor | Heavy-duty VFD motor with encoder and thermal protection |
| Travel Motors | VFD-controlled gear motors for smooth travel |
| Control Methods | Air-Conditioned Cabin Control (Standard), Wireless Remote Backup |
| Power Supply | 3-Phase 380V/415V/440V, 50/60Hz |
| Control Voltage | 24V / 48V (Safe control voltage) |
| Electrical Components | Siemens, Schneider, or equivalent high-reliability brands |
| Safety Devices | Dual brakes, overload/moment limiter, anemometer, rail clamps, anti-collision |
| Working Temperature | -25°C to +40°C (Special designs for colder climates) |
| Protection Class | IP55 or higher |
| Paint/Finish | Sandblasted Sa2.5, zinc epoxy primer, and marine-grade polyurethane topcoat |
| Steel Grade | Q355B High-Strength Carbon Structural Steel or higher |
| Wheel/End Carriage | Forged and hardened steel wheels; heavy-duty end carriages |
| Rail Size (typical) | QU70, QU80, QU100 (Recommended for heavy loads) |
| Braking | Dual electromagnetic and/or hydraulic brakes on main hoist |
| Limit Switches | Rotary cam and absolute encoder limit switches for precision |
| Documentation | Full conformity, test reports, material certs, weld inspections |
| Warranty | 1 Year (Extended service and inspection packages available) |
| Lead Time | 60–120 days (Varies with complexity and capacity) |

Features at a Glance
- Specialized design for hydropower station gate and equipment handling.
- Heavy-duty A5-A6 classification for high reliability and long service life.
- Standard VFD controls for extremely precise and slow-speed operation.
- IP55-rated with advanced anti-corrosion protection for all-weather durability.
- CE-compliant, custom-engineered solution with a comprehensive suite of safety systems.
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.