Subject:
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Re: New Crane...
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 21 Feb 2008 22:25:02 GMT
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Viewed:
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11982 times
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In lugnet.technic, Gordon Bentley wrote:
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I can’t see from your photos how you’re stopping the main structure lifting
off the base.
Correct me if I’m wrong, but crane turntables hold the superstructure down so
the load moment is transferred to the crawler base. I’ve seen photos of cranes
tipping and they don’t fall off the turntable, they take the base with them.
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Yes, that is correct.
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I’ve had a couple of (incomplete) goes at a crawler, and I’ve used two
turntables, one inverted, with the centres tied together and to the
superstructure, and the outer rings locked into the base. That way, the
superstructure can’t detach from the base.
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See also
my technique - this allowed me to lift the whole crane base up by the
superstructure.
ROSCO
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Message has 1 Reply:
Message is in Reply To:
 | | Re: New Crane...
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| I can't see from your photos how you're stopping the main structure lifting off the base. Correct me if I'm wrong, but crane turntables hold the superstructure down so the load moment is transferred to the crawler base. I've seen photos of cranes (...) (16 years ago, 21-Feb-08, to lugnet.technic)
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