Balka podkranovaya, Dnepropetrovsk region.

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Under-crane beam (under-crane path) (these are crane guides, that is, what the crane rests on (crane-beam, hoist). Under-crane path is of two types: for support cranes (overhead cranes) and for overhead cranes.
The difference is that the crane rides on the supporting under-crane track from above, and on the suspended track it holds on to it from below.
MONORAIL can be distinguished separately - it is a crane path for a cable car.(//tractor-service.com)
Our enterprise dismantles, manufactures, installs the under-crane track, as well as leveling and straightening the under-crane track.
Also for the monorail, we make the angle of the I-beam beam., any radius and any I-beam beam

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