Adjustable position gauge

Adjustable position gauge, comprising:

• a measuring column, an adjusting block, a set screw, a base plate, a tensioning block, a nut and a conical block;
• central portion of the base plate is provided with a plurality of T-shaped grooves uniformly distributed in the circumferential direction, and outer side of the central portion of the base plate is also provided with a plurality of T-shaped grooves which are uniformly distributed in the circumferential direction and have a certain arc length;
• T-shaped portion of the adjusting block is matched with curved T-shaped groove of the base plate;
• bottom of the adjusting block is provided with a plurality of threaded holes which are matched with the measuring column, so that horizontal position of the measuring column is configured to be adjusted as needed;
• the set screw is installed in top of the adjusting block, and bottom of the adjusting block is in contact with top of the base plate;
• inner hole of the nut has a thread and is fixed to the top of the base plate, upper end of the tensioning block is T-shaped, and outer side of lower end of the tensioning block is a circular surface, upper T-shaped portion of the tensioning block is matched with the T-shaped grooves in central portion of the base plate;
• inner side of the tensioning block is conical and is matched with conical surface of lower end of the conical block, middle portion of the conical block has an external thread to match with the inner hole of the nut.