Non-constant-speed and non-symmetrical-crank-counterweight efficient and energy-saving oil pumping machine

Non-constant-speed and non-symmetrical-crank-counterweight efficient and energy-saving oil pumping machine

  • CN 103,148,186 A
  • Filed: 03/15/2013
  • Published: 06/12/2013
  • Est. Priority Date: 03/15/2013
  • Status: Active Application
First Claim
Patent Images

1. two non-efficient energ-saving beam-pumping unit, comprise base (1), be arranged on the motor (2) on base (1), gearbox (3) and support (5), be arranged on the crank (4) on gearbox (3), and walking beam (6), horse head (7) on walking beam (6) and adjustable tail counterweight (8), be hingedly connected with connecting rod (9) between described crank (4) and walking beam (6), it is characterized in that:

  • on the crank output shaft of described gearbox (3), noncircular gear is installed, be provided with to drive the eccentricity gear of this noncircular gear in described gearbox (3), the counterweight end of described crank (4) only is provided with a counterweight (10) towards crank (4) direction of advance.

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