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High pigtail tube hoisting system

2015 
The invention provides a high pigtail tube hoisting system, and belongs to the field of hydrogen production equipment. The problem that in the prior art, the welding position of a strengthening connector of a high pigtail tube and an upper collecting tube often generates cracks, so that leakage and the like are caused is solved, and the high pigtail tube hoisting system which is large in load and balanced in stress is provided. The high pigtail tube hoisting system comprises eight or more constant force spring shackle sets, and each constant force spring shackle set comprises a constant force spring shackle, a constant force spring suspension head, a connecting part, a hoisting rod and a hoisting point; and the constant force spring shackle sets comprise dip angle shackle sets and vertical shackle sets. According to the high pigtail tube hoisting system, the dip angle shackle sets and the vertical shackle sets are matched, stress is scattered, loads of all shackle sets are even, the situation that insufficient hoisting force is caused by too large inclination angle hoisting force resolution of the hoisting rods under the hot state, so that a transfer line and the upper collecting tube sink is avoided, stress concentration generated at the welding position of the strengthening connector of the high pigtail tube and the upper collecting tube is accordingly eliminated, and the problem that the cracks often occur at the position is solved.
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