Pulley type oil pumping machine

Abstract

A pulley type oil pumping machine belongs to the field of oil exploitation mechanical equipment and particularly relates to a pulley type oil pumping machine in oil pumping machines with rods. The pulley type oil pumping machine comprises a machine frame (9), a base (16), a power device, a transmission device connected with the power device and a head pulley installed at the top end of the machine frame (9). The pulley type oil pumping machine is characterized in that an output end of the transmission device is connected with a balance weight box (27), a movable pulley group (32) is installed on the balance weight box (27), the movable pulley group (32) comprises a traction pulley (36) and a transmission pulley (37), a traction steel rope (25) is fixed and wound on the traction pulley (36), a transmission steel rope (33) is wound on the transmission pulley (37), and two ends of the transmission steel rope (33) are fixed with the machine frame (9). The pulley type oil pumping machine has the advantages of super long stroke, large load, low stroke frequency, low power consumption, long service life and the like, runs smoothly and is safe, reliable, convenient to maintain and manage and good in performance.

Description

Technical field [0001] A pulley type pumping unit belongs to the field of petroleum extraction machinery and equipment, and specifically relates to a pulley type pumping unit in a rod pumping machine. Background technique [0002] The existing oil pumping machinery used in the oil field mainly includes conventional beam pumping units, wide-band chain pumping units, out-of-phase beam pumping units, and various long-stroke pumping units developed in recent years. Pumping unit etc. The beam pumping unit is widely used by oil fields at home and abroad because of its safety, reliability, and convenient use and maintenance. However, due to its own structural limitations, the beam pumping unit has many shortcomings such as high energy consumption, short stroke, and poor movement performance. The wide-band chain pumping unit is a kind of pumping unit developed in the past 30 years. It has the advantages of long stroke, heavy load, energy saving, etc., but its chain reversing mechanism i...

AI Technical Summary

Problems solved by technology

The beam pumping unit has been widely used in oil fields at home and abroad because of its safety, reliability, and convenient maintenance. However, due to its own structural limitations, the beam pumping unit has disadvantages such as high energy consumption, short stroke, and poor motion performance for many years. The wide-band chain pumping unit is a kind of pumping unit developed in the past 30 years. It has the advantages of long stroke, large load, and energy saving. However, the reversing mechanism of the chain is complicated, so the failure rate is high. ; while the out-of-phase beam pumping unit and the long-stroke pumping unit developed in recent years also have problems such as high failure rate, which still need to be further improved and perfected

Images