Swing rod type non-beam pumping unit

• Main Authors: YI LUCHUAN, MIAO ANQI, WEI GANG, XIE KAI, HOU RUIQI, MIAO ZAICHAO, HOU RUIZHEN, HUANG MINGZHENG
• Format: Patent
• Language: Chinese; English
• Published: 06.03.2013
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

Provided is a swing rod type non-beam pumping unit. A driving device is arranged on a base seat. One ends of cranks are connected on an output shaft of the driving device, and the other ends of the cranks are provided with idler wheels. The lower ends of swing rods are hinged on the base seat, idler wheel grooves are arranged on the swing rods, and the idler wheels are placed inside the idler wheel grooves. The numbers of the swing rods, the cranks and the idler wheels are two, and the swing rods, the cranks and the idler wheels are symmetrically arranged on two sides of the driving device. A connecting pile is fixed on the swing rods, and a connecting beam is connected on the connecting pile. The lower end of a support is hinged on the base seat, the lower end of a support rod is hinged on the base seat, the upper end of the support rod is hinged on the support, the upper end of the support is provided with a head sheave, and a belt rope is wound on the head sheave. One end of the belt rope is connected on t