Achieve safe and economical construction speed-up and space-saving!
This is a method for constructing a vertical shaft using a circular casing tube without the use of sheet pile supports or liner plates, utilizing a Revo shaft sinking machine. In the Revo method, reaction forces are taken from the main body and counterweight, and a split-type casing tube is driven in by hydraulic jacks, followed by excavation using a clamshell or similar equipment. 【Features】 - The equipment is compact, requiring a small footprint. Additionally, with a main body weight of 3.4 tons, it can be transported by a 4-ton truck. - Even in urban construction, it is less affected by nearby structures and obstacles compared to conventional methods, allowing for efficient work with the use of cover plates. - By advancing the driving process, it avoids pre-excavation and minimizes occurrences of boiling and other issues. The casing driving and extraction are performed using hydraulic jacks, enabling vibration-free and low-noise operations. - The small size of the vertical shaft allows for speedy construction and lower costs. *For more details, please contact us or download the catalog.*
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【Specifications】 ■Revo Shaft Machine Maximum Pressure Input: 10 tons Maximum Pulling Force: 64 tons Swing Force: 48 ton-m Main Body Weight: 3.4 tons Main Dimensions: L 3300×W 2300×H 1054 mm ■Casing Nominal Diameter: φ1500, φ1800, φ2000 ■Counterweight: 10.6 tons (1.7 tons × 4, 1.9 tons × 2) ■Hydraulic Unit: 140 kg/cm², 15 kW × 2 ■Generator: Diesel Engine Driven 60 KVA ■Excavator: Hydraulic Clamshell (Telescopic Type) 0.25 m³, 0.3 m³, 0.4 m³ ■Electric Welding Machine: AC Arc Welding Machine (Manual) with Diesel Engine 300A ■Truck Crane: 5t Rough Terrain Crane ■Dump Truck: 2t, 4t ■Temporary Casing: φ1500 (1m × 2 pieces), φ1800 (1m × 2 pieces) φ2000 (1m × 2 pieces) *For more details, please contact us or download the catalog.
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Pohrai Group is an expert company in pipeline construction, including water supply and sewage systems. We respond to all customer needs with our uniquely developed cutting-edge construction methods. In an era where a wave of fundamental structural reforms is sweeping across all industries, we see our existence as embodying the corporate philosophy of "The heart that thinks of friends is trust," and we will continue to provide services as a one-of-a-kind company that contributes to society in multiple ways through pipeline technology and construction wisdom.