Title: Torque detector for hydraulic drilling rod power large clamp
Application Number: 200610098182 Application Date: 2006.12.07
Publication Number: 1987386 Publication Date: 2007.06.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01L3/00;G01L5/24;E21B19/16;B25B7/00
Applicant(s) Name: Rushi Machinery Co., Ltd., Jiangsu Address:
Inventor(s) Name: Liu Zhigang;Chen Jie;Shen Hui;Zhong Jianjun
Attorney & Agent: gelei
Abstract:
    The torque mensuration device includes two separated units: up shell of power tongs, a planetary transmission. Torque ball bearing is setup between up shell and the planetary transmission. One end of the torque sensor is connected to the planetary transmission, and the other end is connected to the up shell fixedly. Features are: reasonable structure, direct, accurate torque measured.
Time: 9