Contact induction device of drill pipe straightness detection device

• Main Authors: BAO XINYI, SU GANG, YAO FENGLEI
• Format: Patent
• Language: English
• Published: 04.02.2015
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model relates to a contact induction device of a drill pipe straightness detection device. The contact induction device comprises hinge seats and a bracket plate which are fixedly connected to the upper surface of the frame plate. The hinge seats are symmetrically and fixedly connected to the frame plate. A supporting plate is rotatably arranged between the two hinge seats, and the end part of the supporting plate is disposed under the bracket plate. The lower surface of the supporting plate is equipped with a spring. A contact rod passes through and is fixedly connected to the bracket plate and the supporting plate, and the lower end of the contact rod is arranged in the spring. A contact is arranged in a position of the frame plate below the contact rod. The contact induction device of the utility model is simple and compact in structure and convenient in installation. The straightness of a drill pipe is detected in a multi-point detection mode. The contact induction device is high in working reliability and detection accuracy.