Construction method and device for preserved hole of equipment foundation bolt
The invention discloses a construction method and device for a preserved hole of an equipment foundation bolt. A construction hole forming device for the preserved hole is designed and manufactured and is a prismatoid shaping steel mould comprising side plates, longitudinal and transverse ribs, a ba...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
14.03.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a construction method and device for a preserved hole of an equipment foundation bolt. A construction hole forming device for the preserved hole is designed and manufactured and is a prismatoid shaping steel mould comprising side plates, longitudinal and transverse ribs, a base plate, a nut cap and a fixed frame, wherein the side plates are of an isosceles trapezoid shape; the longitudinal and transverse ribs are respectively welded at the inner sides and the outer sides of the side plates; four side plates are welded to form a prismatoid square port tube; the base plate is square; the outer longitudinal and transverse ribs are welded to be square; the inner longitudinal and transverse ribs are welded to be crossed; the base plate is welded with a large port end of the prismatoid; and the nut cap is welded at the small port end of the prismatoid. The prismatoid shaping steel mould is mounted and positioned; after the prismatoid shaping steel mould is accurately positioned, the steel mo |
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Bibliography: | Application Number: CN20111372240 |