Shaft Sliding Form

The MJY Integral Moveable Metal Formwork is a specialized equipment for concrete shaft lining construction in vertical shafts (standing shafts). It is suitable for vertical shaft development in various mines such as coal mines and metal mines, and is particularly applicable to key lining phases including bedrock sections and frozen sections. Leveraging an integrated “one-formwork, multiple applications” design, it can efficiently complete lining tasks for the outer wall, inner wall, and bedrock section of frozen shafts, significantly reducing the cost and time associated with formwork replacement during construction.

Structural Features and Working Principle  

Main Body: A single-seam rigid cylinder formed by welded curved steel plates, ensuring structural stability.  

Components: Includes a cutting edge for grout leakage prevention, with the hydraulic stripping mechanism as the core component.  

Core Mechanism: Hydraulically driven single radial seam enables integral, synchronous, and uniform opening and closing.  

Working Principle:

Hydraulic Stripping and Erection:Controlled via hydraulic valves, cylinders drive the formwork to uniformly retract and strip or expand and fix from the sole contraction opening.  

Integral Lowering for Lining: After stripping, the entire formwork is lowered by a winch to the next lining section, positioned via the cutting edge, and used for continuous pouring.  

Core Value: By integrating a single-seam rigid structure with hydraulic synchronous control, the system achieves efficient and high-quality construction of vertical shaft linings.