Drawing folding device for petroleum pipeline design
An oil pipeline and folding technology, which is applied to printing, books, bookmarks, etc., can solve the problems of wasting manpower, damage to human shoulders and elbows, and multiple page turning, so as to avoid multiple page turning, avoid slipping, and have strong friction Effect
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[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0025] See Figure 1-6 , The present invention provides a technical solution of a drawing turning device for oil pipeline design: its structure includes a bottom plate 1, a fixed rod 2, a torsion spring 3, a pressure strip 4, and a turning device 5. The bottom plate 1 is welded with a fixed rod 2 , The fixed rod 2 is sleeved with a torsion spring 3, one end of the torsion spring 3 is embedded on the bottom plate 1, and the other end of t...
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