Machine for installation of a catenary wire

The machine has a machine frame (2) movably mounted on rail bogies (3), a storage drum (14), a height-adjustable pulley (16) and a friction winch (15) with which a withdrawal resistance is produced when the conductor (10) is pulled from the storage drum to produce a laying tension and a force sensor (23) for measuring the laying tension. The force sensor is arranged between a winch frame (21) and an auxiliary frame (11) connected to it.