1. Project Background
The Qujiang Pumped Storage Power Station in Zhejiang is a key national energy infrastructure project designed for peak shaving, frequency regulation, voltage control, and power grid dispatch. The project’s hoist-type headstock gear system requires large-diameter, high-strength wire rope drums to ensure stable, safe, and reliable operation of the sluice gates.
2. Our Supply Scope
Our company custom-manufactured a set of large-scale wire rope drum assemblies for the main hoisting mechanism of the headstock gear system. These drums feature complex structures and high precision requirements, classified as typical non-standard heavy-duty components. They must meet stringent fatigue resistance and corrosion resistance criteria for long-term operation.
3. Technical Parameters Overview
- Drum Outer Diameter: Φxxx mm
- Cylinder Length: xxx mm
- Material: Q345B (or customer-specified material)
- Manufacturing Process: Plate rolling + automatic circumferential welding + CNC precision machining
- Surface Treatment: Sandblasting + anti-rust coating
- Inspection Methods: Ultrasonic flaw detection, dynamic balancing test, full dimensional inspection
4. Manufacturing Highlights
- Precision Forming: One-time cylinder forming using large-scale plate rolling machine with tight roundness control.
- Structural Integrity: Fully automated welding and non-destructive testing ensure reliable joint performance.
- Machining Accuracy: CNC horizontal lathe machining guarantees coaxiality and dynamic balance.
- Customization: Tailored hole patterns and connector welding to meet on-site installation requirements.
5. Project Visual Documentation
