Bent axle conical surface auxiliary device for roughness measurement

The utility model discloses a bent axle conical surface auxiliary device for roughness measurement, the on -line screen storage device comprises a base, L type locating piece, V type locating plate, the knob screw, set nut one, set nut no. 2 and positioning bolt no. 1, it has all offered an installation through -hole on the intermediate position of two minor faces place side to lie in on the baseupper surface, all be equipped with a knob screw in every installation through -hole, lie in the waist shape through -hole of offering two parallel arrangement between two knob screws on the base upper surface, lie in the L type locating piece that still is equipped with two mutual dispositions between two knob screws on the base upper surface, every L type locating piece all includes horizontal position and vertical position, and wherein the horizontal position setting of a L type locating piece is in the top of two waists shape through -holes, still all be fixed with a V type locating plateon the vertical position o