60,000-lb crane scale - photo

[Altair]

60,000-lb crane scale.

Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg



Previously:

Roberval balance - video
NIST-4 Kibble balance - photo
Mushroom packing scale - GIF
5,500 ton crane hook - GIF

[Frank S]

If more of these so called rigging companies would learn how to use one of these on their cranes and understand whet the weight means with the boom extended as they do then possibly there would be fewer OS moments

[jdurand]

is that green bolt bent?

[nova_robotics]

If more of these so called rigging companies would learn how to use one of these on their cranes and understand whet the weight means with the boom extended as they do then possibly there would be fewer OS moments

Is that needed though? I'm not sure about little tiny stuff like Brodersons, but any crane 70T and up always has a readout in the cab of how much weight you have on the hook. 70T is realistically about the smallest you'll encounter on most job sites. The problem we've always had is operators knowingly going over chart. Almost every incident I've ever seen involving a crane was an operator intentionally going over capacity or an operator being lazy and not setting the outriggers.

...but we did have a really bad incident one time with crane that dropped the headache ball because of a bad limit switch. That was pretty crazy actually. It hit a piece of steel that some guy was standing on. It turned his leg into jello. He was in hospital for at least 6 months (probably a lot longer) while they tried to save his leg. I'm still not sure whether he got to save his leg or not. If he did keep it he's probably in pain every minute of his life.

[katy]

Just what I need for my home workshop, maybe if'n I'm good Santa will bring me one.