HETROTYPE TRAVELLING BEAM TYPE OIL EXTRACTOR

HETROTYPE TRAVELLING BEAM TYPE OIL EXTRACTOR

  • CN 87,205,435 U
  • Filed: 11/27/1987
  • Issued: 08/03/1988
  • Est. Priority Date: 11/27/1987
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of special-shaped beam pumping unit that is used for recover petroleum, walking beam 3 front ends are equipped with horse head 4, and end is connected with walking beam postbrachium 5, and its walking beam 3 is installed on the walking beam bearing 15 of support 2;

  • Motor 13, driving belt 12, reducer 11 and crank 9, counterweight block 10 are formed power source;

    Power source links to each other by connecting rod 8, crossbeam 7, connector 6 with walking beam postbrachium 5;

    Suspender 14 is the connectors that connect polished rod and horse head 4;

    Package unit is installed on the base 1, it is characterized in that;

    (1) walking beam postbrachium 5 is the reducing circular shape;

    (2) connector 6 of crossbeam and walking beam is a flexible piece.

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