Oil pipe on -line measuring system

The utility model provides an oil pipe on -line measuring system, include: the endotheca pipe box is established in the outer tube, the overcoat pipe box is established in well head department, oil pipe passes from interior sleeve pipe, through upper cover plate fixed connection between outer tube and the endotheca nose portion, through bottom plate fixed connection between interior sheathed tubebottom and the outer tube, in the cavity in the hall piece inserts along the slot between sleeve pipe and the outer tube, and through wire connecting processing part, the lower extreme of outer tube is equipped with first connecting plate and second connecting plate, first connecting plate and second connecting plate become a ring along the outer tube outward, first connecting plate and second connecting plate are respectively through hinge and outer bushing, be equipped with the dog between outer tube and first connecting plate and the second connecting plate upper surface respectively, dog and outer tube fixed conne