Automatic puller device for pumping unit driving belt

• Main Authors: ZHANG JUZHEN, CHEN MEISUI, WANG ZHANGGENG, REN JUNWEI, YING BIN, ZHAO KUN, REN LONG, TAN WENNING, ZHANG NAN, CHE WANXIA
• Format: Patent
• Language: Chinese; English
• Published: 17.06.2009
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

An oil pumping unit driving belt automatic tension machine which consists of a turning wheel, a rolling bearing, a stationary shaft, a bracket of the turning wheel, a retaining screw, a telescopic sleeve, a spring, a spring seat, a base, a telescopic link sliding groove and a jack; wherein, the bracket of the turning wheel is a piece of channel steel; the stationary shaft is installed on the bracket of the turning wheel by a bolt; a sliding groove of the bracket of the turning wheel is arranged at the lower part of the bracket of the turning wheel, and the retaining screw passes through the sliding groove of the bracket of the turning wheel to fix and connect the bracket of the turning wheel and the telescopic sleeve; the upper end of the telescopic sleeve is provided with a screw hole connected with the bolt of the bracket of the turning wheel, and the lower end is provided with a sliding jaw which extends into the sliding groove on the barrel wall in the base, and the section of the base is in a shape of a