Model 77-2020 Cradle block for 3-rope-systems (also suitable for 2-rope-system)
The cradle block will be installed by the pulling robot on the ground wire of the overhead transmission line. This operation system is specially designed for replacement of existing ground wires by new Optical Ground Wires (OPGW) – even under life line conditions.
Can also be used instead of building a scaffhold when crossing a road or railway line.
Suitable for the 3-rope-system (GroundWire/OPGW + fibre rope as supporting rope + fibre rope as pulling rope) and also suitable for the 2-rope-system.
Frame made of high-strength aluminum; aluminum rollers with maintenance free ball bearings; robust and very easy to handle rope clamping unit and opening devices to install the ropes.
The OPGW is perfectly protected by the polyamid plates and the rollers.
Weight: approx. 2 kg
Working load: 2 kN
suitable for 3-rope-system
suitable for 2-rope-system
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