A fixed shaft for a large-diameter barrel core
A fixed shaft and large-diameter technology, which is applied in the field of fixed shafts for large-diameter cores, can solve the problems of unfavorable fixed shaft placement, difficulty in installation and disassembly, and heavy workload of the core, so as to improve the unfavorable placement, good stability, and The effect of reducing workload
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[0013] Such as figure 1 As shown, a fixed shaft for a large-diameter core includes a fixed shaft body 1, a detachable sleeve 2 sleeved on the fixed shaft body 1, the diameter of the sleeve 2 is smaller than the diameter of the installed core, The outer wall of the shaft sleeve 2 is provided with at least two locking strips 3 that are movably connected to the shaft sleeve 2, and the end of the shaft sleeve 2 is provided with a control strip 3 that is flexibly connected to the shaft sleeve 2. The drive device 4, the shaft sleeve 2 is provided with a chute 23 for the movement of the locking bar 3, and the chute 23 is provided with at least one limiting groove 21 that restricts the movement of the locking bar 3 in the chute 23, The locking bar 3 is provided with a slide block 31 matched with the limit groove 21, and the driving device 4 includes an air spray head 41 fixedly connected to the shaft sleeve 2, an air pump connected to the air spray head 41 through a connecting pipe 43...
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