an overhead oscillating lever, pivoted at the middle, for transmitting force from a vertical connecting rod below one end to a vertical connecting rod, pump rod, etc., below the other end.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use walking beam in a sentence
As the shot had hit the walking-beam of the steamer, it was not probable that she was seriously injured in her hull, if at all.Within The Enemy's Lines | Oliver Optic
One end of the walking-beam reaches to the center line of the well, where it connects with the pump shaft.
The other end of the walking-beam is operated by a pitman shaft connecting with a crank wrist pin near the ground.
Another swivel connects the upper end of the pitman shaft with the walking-beam.
The rods are suspended from a heavy “walking beam” or lever, usually oscillated by a steam engine.