Q: What is the primary load capacity of this screw jack system for tank lifting?
A: This synchronized screw jack system is engineered for heavy-duty applications, with each jack capable of handling loads ranging from 10 tons to 50 tons. For large storage tanks, multiple jacks are used in unison, allowing the system to lift total loads of several hundred tons safely and uniformly.
Q: What is the typical lifting height or stroke?
A: The standard lifting stroke can be customized based on project requirements, typically from 2500 mm to 3000 mm. Longer strokes are available for applications requiring greater elevation, such as raising tanks for foundation work or installation of new supports.
Q: What materials are used in the construction of these jacks?
A: The critical components are manufactured from high-strength materials. The screw/load-bearing parts are made from high-tensile alloy steel (e.g., 42CrMo), heat-treated for maximum strength and durability. The housing is typically constructed from high-grade cast iron or steel, providing excellent rigidity and impact resistance.
Q: What are the key features of this system?
A: Key features include:
Synchronized Control System: An electric control panel ensures all jacks lift and lower at the same rate, preventing tank distortion or damage.
Self-Locking Capability: The trapezoidal screw design provides inherent mechanical self-locking, holding the load securely in position even in the event of power loss.
High Positioning Accuracy: Allows for precise, millimeter-level control during the lifting process.
Robust Construction: Designed for high load capacity and long-term reliability in industrial environments.
Q: What are the main advantages over other lifting methods?
A: The primary advantages are exceptional safety, stability, and precision. Unlike hydraulic systems, the mechanical self-locking feature eliminates the risk of uncontrolled descent. The system provides perfectly synchronized motion, which is crucial for the structural integrity of large, rigid tanks. It is also highly reliable with minimal maintenance requirements.
Q: What are its typical uses in tank lifting?
A: This system is ideal for:
Lifting large storage tanks for foundation repair or inspection.
Tank relocation and placement onto new supports or piers.
Jacking and leveling of process vessels and reactors during plant construction or maintenance.
