Hydraulic Conductor Tensioning Machine For Overhead Transmission Lines Stringing

The SA-YZ2×50 Hydraulic Tensioner is a robust hydraulic tensioning machine designed for overhead transmission line stringing, capable of tensioning two bundled conductors or a single conductor. Its main specifications and features are:

• Maximum Tension Force: 2 × 50 kN or 1 × 100 kN

• Continuous Tension Force: 2 × 45 kN or 1 × 90 kN

• Maximum Stringing Speed: 5 km/h

• Maximum Pullback Force: 2 × 50 kN or 1 × 100 kN

• Maximum Pullback Speed: 2 × 1.0 km/h

• Bullwheel Diameter: 1500 mm

• Number of Grooves: 2 × 5

• Maximum Conductor Diameter: 40 mm

• Engine: Deutz air-cooled diesel engine

• Engine Power / Speed: 51 kW / 2500 rpm

• Electrical System: DC 24V

• Weight: Approximately 6500 kg

• Dimensions (L×W×H): 5.13 m × 2.25 m × 2.80 m

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Key Features:

• Closed hydraulic circuit with infinitely variable tension control in both directions

• Presettable maximum tension and pullback force, with real-time tension gauge display

• Spring-applied hydraulic released brake that automatically engages in case of hydraulic failure to ensure safety

• Hydraulic oil cooling system for stable operation

• Bull wheels lined with wear-resistant MC nylon segments

• Two hydraulic power outlets to control hydraulic reel stands

• Hydraulic front jack and trailer-mounted with rigid axle for towing at speeds up to 15 km/h

Applications:

• Suitable for stringing two bundled conductors or a single conductor on 330 kV or 400 kV overhead transmission lines

• Commonly used for large conductor stringing in mountainous or difficult terrain

Main Components:

• Engine: Deutz air-cooled diesel engine

• Hydraulic pumps, motors, and valves: Rexroth (Germany)

• Reducer: R.R. (Italy)

• Hydraulic instruments: WIKA

• Radiator: AKG

This tensioner is recognized for its reliability, precise hydraulic control, and safety features, making it an ideal choice for high-voltage transmission line construction and maintenance.