Product Introduction
A hydroelectric power station gantry crane is a heavy-duty lifting equipment specifically designed for hydropower projects. It is primarily used for the installation, maintenance, and repair of hydraulic gates, hoisting turbine generators, and servicing trash racks. Its large-span gantry structure spans across dam crests or plant rail tracks, accommodating complex spatial layouts and high-load demands.
Product Parameter
|
Lifting Weight (t) |
100 |
125 |
200 |
250 |
320 |
350 |
400 |
450 |
|
|
Group Classification |
A1,A2,A3 |
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|
Span (m) |
16 |
13 |
12 |
8.5 |
14 |
12 |
12 |
8 |
|
|
Lifting Range (m) |
Main Lifting Mechanism |
20 |
90 |
50 |
70 |
69 |
80 |
90.5 |
65 |
|
Working Speed (m/min) |
Main Lifting Mechanism |
2.8 |
2.16 |
2.06 |
2.2 |
2.5 |
2.2 |
2.22 |
2.2 |
|
Traversing Mechanism |
6.2 |
8.18 |
5.38 |
4.86 |
6 |
4.25 |
2.08 |
2.08 |
|
|
Traveling Mechanism |
22 |
23.3 |
22 |
22.2 |
20 |
14.85 |
21.6 |
19.5 |
|
|
Max. Wheel Load(KN) |
P1 |
550 |
602 |
550 |
480 |
740 |
865 |
975 |
910 |
|
P2 |
485 |
500 |
480 |
480 |
620 |
645 |
805 |
910 |
|
|
Total Motor Power (KW) |
104.5 |
104.5 |
241 |
270 |
271 |
329.5 |
364 |
376.5 |
|
|
Power Supply |
3-Phase AC 380v 50Hz |
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Product Feature And Application
Key Features of hydroelectric power station gantry cranes
Large Span and High Load Capacity
Main girder spans range from 30–60 meters, with a maximum lifting capacity of 500 tons (e.g., specialized models for gate installation).
Utilizes box girders or truss girders to handle large hydropower components.
Precision Positioning and Anti-Sway Control
Equipped with variable frequency speed regulation systems (0.1–10 m/min stepless speed) and laser positioning systems, achieving hook positioning accuracy of ±2 mm.
Ideal for high-precision alignment in gate slots and turbine shaft bores.
Enhanced Environmental Adaptability
Corrosion protection grade C4 (ISO 12944).
Features rainproof covers and anti-icing heaters, ensuring stable operation in harsh conditions (humidity >90%, temperatures from -25°C to +45°C).
Multi-Condition Safety Protections
Integrated overload limiters, wind speed alarms (>12 m/s auto-lock), rail deviation detection, and dual braking systems, compliant with GB/T 14405 safety standards.
Typical Applications of hydroelectric power station gantry cranes
Gate Operations: Vertical/horizontal lifting and tilting installation of flat gates and radial gates (e.g., maintenance of spillway gates in large dams).
Turbine Installation: Indoor lifting and positioning of rotors for hydroelectric generator units (single-unit weight: 300–800 tons).
Emergency Response: Rapid opening/closing of emergency gates during flood seasons (e.g., emergency closure force up to 2000 kN for deep outlet gates).
Auxiliary Maintenance: Hoisting trash rack debris removal equipment and assembling penstock welding platforms.
Restrictions: Prohibited from lifting molten metals; regular inspection of track settlement required (permissible error ≤ 1/1000 of span).
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