Mobile electric flash-butt welding unit

Details Mobile electric flash-butt welding unit Mobile electric flash-butt welding unit

1991-05-31

1992-03-24

Shaw, Clifford C.

Electric heating

Metal heating

Rail bond

219 97, B23K 1104

Patent

active

050990977

ABSTRACT:
A mobile electric flash-butt welding unit for welding together adjacent ends of track rail sections comprises a pair of welding heads displaceable in a longitudinal direction towards each other, each welding head comprising two tong-like parts pivotal towards each other and carrying clamping electrodes for engaging the sides of a respective one of the rail section ends. Actuating cylinders extend in the longitudinal direction and are connected to each welding head for pressing the welding heads in the longitudinal direction towards each other, and clamps are connected to each welding head and are spaced in the longitudinal direction from the actuating cylinders connected thereto, each clamp comprising jaws for gripping the sides of the respective rail section end therebetween.

REFERENCES:
patent: 4929816 (1990-05-01), Theurer et al.

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