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 on the prying base in a screw mode. A main roller shaft is mounted in the main roller; a variablefrequency motor is mounted at the rear end of the main roller shaft; a shell of the variable frequency motor is installed on the machine frame in a screw mode, the output end of the variable frequencymotor is installed on the main roller shaft through an expansion sleeve, a pneumatic disc brake is installed at the front end of the main roller shaft and fixed to the front end of the machine frame,and the whole winch is installed on a prying base in a bolt mode. The winch frame is compact in structure, good in rigidity, simple in transmission structure, high in reliability and convenient to maintain. 本实用新型公开了一种用于车装石油修井机的