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Full automatic machine for oil extraction

  • US 6,749,017 B1
  • Filed: 06/11/2002
  • Issued: 06/15/2004
  • Est. Priority Date: 08/27/1999
  • Status: Expired due to Term
First Claim
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1. A fully automatic machine for oil extraction, characterized in that, in this fully automatic machine for oil extraction, an axle transmission and soft belt suspension system are used;

  • an axle connects an electric motor (17) and a decelerator (5); and

    an axle connects the decelerator (5) and a driving hub (7A), whereby the transmission belts (10A) and (10B) are driven;

    following the connection of a driven hub (7B) and a bridle (9), the sucker rod (8) will be connected so that an oil well pump (24) can be driven to work;

    when the electric motor (17) rotates in a forward direction, the oil will be extracted;

    when the electric motor (17) rotates in a reverse direction, it is a return trip;

    when the driving hub (7A) drives the transmission belts (10A) and (10B), it also drives a transmission belt (11);

    one end of the transmission belt (11) is connected to a balancer (12) that works synchronously as the oil well pump works in a forward or a reverse direction;

    said machine for oil extraction comprises a base (1), a bracket (2) and a platform (3);

    the electric motor (17), the decelerator (5), the driving hub (7A) and the driven hub (7B) are all fixed on the platform (3);

    the electric motor (17) and an oil production process controller (20) are connected by a masterdrive frequency transformer (18), the electromotor (17) receives the control instructions sent by the oil production process controller (20) through the masterdrive frequency transformer (18) that works as a host drive;

    the oil production process controller (20) connects an absolute value coder (16) that can render the running states, so that it can collect the information about the position and angle of rotation of the driving hub'"'"'s output axle;

    the absolute value coder (16) and a break unit constitute a travel detecting and break part.

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