Variable frequency motor direct drive winch for vehicle-mounted petroleum workover rig

• Main Authors: ZHANG TAO, ZHANG BAOZHONG, WANG LI, XU ZUNHONG, REN ZHAOYANG, LI DADA, PENG DUANDUAN, CHENG YUFEI
• Format: Patent
• Language: Chinese; English
• Published: 28.02.2020
• Subjects: CAPSTANS; HAULING; HOISTING; HOISTS; LIFTING; PERFORMING OPERATIONS; TACKLES, e.g. PULLEY BLOCKS; TRANSPORTING; WINCHES

The utility model discloses a variable frequency motor direct drive winch for a vehicle-mounted petroleum workover rig. Including a main drum, a rack is mounted outside the main roller; the rack is ofa frame structure composed of steel plates on the four sides. The lower end of the rack is installed...