13,000-ton Rotating Spherical Hinge Device Processing and Installation 130,000 KN Rotation Construction Weighing Integrated Service

I. Product Introduction of Rotating Spherical Hinge

1. Definition and Application
The rotating spherical hinge is a core component used in the rotation construction of large structures such as bridges and buildings, enabling smooth rotation and precise positioning through spherical articulation. Main applications include:

• Bridge rotation construction over railways and highways
• Rotational installation of large-span spatial structures (e.g., stadiums, airports 13,000-ton Rotating Spherical Hinge Device Processing and Installation 130,000 KN Rotation Construction Weighing Integrated Service)
• Structural adjustments in special terrains

2. Product Features

• High Load Capacity: Made of high-strength alloy steel or composite materials, supporting loads up to thousands of tons.
• Low Friction Coefficient: Spherical contact combined with lubricating materials (e.g., PTFE sliding plates) reduces the friction coefficient to below 0.05.
• Precise Control: Works with hydraulic jacks and measurement systems to achieve millimeter-level positioning.
• Durability: Anti-corrosion treatments (e.g., chrome plating, stainless steel) 13,000-ton Rotating Spherical Hinge Device Processing and Installation 130,000 KN Rotation Construction Weighing Integrated Service adapt to long-term outdoor environments.

3. Core Structure

• Upper and Lower Spherical Hinges: Precisely machined spherical matching structures ensure smooth rotation.
• Sliding Layer: High-wear-resistant materials (e.g., PTFE) reduce friction resistance.
• Positioning Pins/Limit Devices: Control rotation angles and prevent deviation.

II. Construction Process and Key Points

1. Pre-Construction Preparation

• Design Verification: Determine the size and material of the spherical hinge based on rotation weight, angle 13,000-ton Rotating Spherical Hinge Device Processing and Installation 130,000 KN Rotation Construction Weighing Integrated Service, wind load, etc.
• Foundation Treatment: Ensure the concrete foundation strength meets standards (typically ≥C50), with precise embedded part positioning.

2. Installation Steps

1. Lower Spherical Hinge Installation
   • Precisely position on the foundation top surface and adjust levelness (error ≤0.5mm/m).
   • Fix anchor bolts and pour concrete for curing.
2. Sliding Layer Installation
   • Clean the spherical surface, evenly apply lubricant, 13,000-ton Rotating Spherical Hinge Device Processing and Installation 130,000 KN Rotation Construction Weighing Integrated Service and lay PTFE sliding plates.
3. Upper Spherical Hinge Installation
   • Hoist and align with the lower spherical hinge, check concentricity after temporary fixation.
4. Trial Rotation Test
   • Perform no-load trial rotation to check friction resistance and stability.

3. Rotation Construction

• Traction System: Use hydraulic jacks + steel strand synchronous traction, 13,000-ton Rotating Spherical Hinge Device Processing and Installation 130,000 KN Rotation Construction Weighing Integrated Service with speed control (typically 0.02-0.1m/min).
• Real-Time Monitoring: Monitor posture with inclinometers and GPS, making dynamic adjustments.

4. Closure and Fixation

• After rotation is complete, weld limit devices and pour sealing hinge concrete.

III. Precautions

1. Precision Control: Installation errors of the spherical hinge directly affect rotation accuracy; laser tracking measurement is required throughout the process.
2. Environmental Adaptability: Enhance lubrication and anti-rust measures in low-temperature or humid environments.
3. Emergency Plans: Prepare backup jacks and braking devices to prevent sudden jamming.