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Application and Technical Advantages of Hydraulic Puller and Tensioner in All-Terrain Transmission Line Construction in Vietnam

1. Demand for All-Terrain Construction Equipment in Vietnam’s Power Grid Construction

With the rapid growth of power infrastructure in Vietnam, transmission lines are widely located in complex landforms including mountains, hills and plains. Construction projects often face pain points such as unstable tension, insufficient terrain adaptability and poor heavy-duty reliability. Stringing of 220kV/500kV high-voltage lines, OPGW/ADSS optical cables and bundle conductors requires professional puller-tensioner equipment that balances efficiency on flat ground and stability in mountains.

2. Core Technology and Stability Guarantee of Hydraulic Puller and Tensioner

Hydraulic puller and tensioner adopt closed hydraulic circuit for bi-directional stepless speed regulation, equipped with pull pre-set system that maintains set tension even when speed drops to 0, automatically adjusting to friction and sudden loads. It keeps stable operation speed of 2.5km/h at maximum pull force, with a top speed of 5km/h, balancing efficiency and tension consistency.

Core components include Cummins engine, German Rexroth hydraulic pump/motor/reducer, and German WIKA instruments, ensuring long-term stable operation.

3. Full-Scenario Adaptation for Mountain and Flat Terrain

Flat terrain: High-speed and efficient stringing for long-distance plain lines;
Mountain/hilly area: Stable tension output to avoid cable damage, suitable for large-span construction;
Cable stringing: Precise tension control to protect OPGW/ADSS fiber structure.

The equipment supports conductors up to 720mm² and single/twin/4-bundle conductors, covering mainstream transmission projects in Vietnam.

4. Engineering Value for Vietnam’s Power Grid Upgrade

Hydraulic puller and tensioner provides 30–350kN continuous pulling force to meet heavy-duty, long-duration and large-span construction needs. Hydraulic cooling system, automatic control and hydraulic front stabilizer improve on-site deployment efficiency and operation safety. One-year warranty and cost-price spare parts further reduce life-cycle cost, making it a preferred solution for Vietnam’s grid upgrade and power infrastructure construction.

Pub Time : 2026-05-22 16:15:50 >> News list

Contact Details

Galaxy power industry limited

Contact Person: Mr. Marble Wu

Tel: 8613301534008

company news about Application and Technical Advantages of Hydraulic Puller and Tensioner in All-Terrain Transmission Line Construction in Vietnam

Transmission Line Equipment

Stringing Equipment

Power Line Stringing Equipment

Transmission Line Tool

Hydraulic Cable Puller

Hydraulic Cable Tensioner

Conductor Stringing Blocks

Transmission Line Accessories

Powerline Equipment

Cable Pulling Equipment

Underground Cable Pulling Equipment

Underground Cable Equipment

Pilot Rope

Anti Twist Rope

Overhead Line Construction Tools

Application and Technical Advantages of Hydraulic Puller and Tensioner in All-Terrain Transmission Line Construction in Vietnam

1. Demand for All-Terrain Construction Equipment in Vietnam’s Power Grid Construction

2. Core Technology and Stability Guarantee of Hydraulic Puller and Tensioner

3. Full-Scenario Adaptation for Mountain and Flat Terrain

4. Engineering Value for Vietnam’s Power Grid Upgrade

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