Installation tool for helical strakes in marine riser vortex-induced vibration restraining test
A technology of helical strake and vortex-induced vibration, applied in manufacturing tools, hand-held tools, etc., can solve the problems affecting the authenticity and reliability of experimental research results, the difficulty of ensuring the accuracy of the pitch of the pipeline model, and the difficulty of guaranteeing the accuracy of the pitch. , to achieve the effect of simple structure, ensuring accuracy and consistency, and low cost
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[0014] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The specific embodiments described are only for explaining the present invention and are not intended to limit the present invention.
[0015] The invention provides a spiral strake installation tool in a marine riser vortex-induced vibration suppression test, which comprises a spiral marking positioning ring and a spiral bonding positioning ring; the inner diameter of the spiral marking positioning ring and the spiral bonding positioning ring Slightly larger than the outer diameter of the bare tube, for example, the outer diameter of the bare tube is 16 mm, and the inner diameter of the spiral marking positioning ring and the spiral bonding positioning ring is 16.5-17 mm.
[0016] Such as figure 1 with figure 2 As shown, the spiral marking positioning ring includes a marking positioning ring first annular valve 2 a...
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