Resetting device for the cam head on a deep-well pump drive

Details Resetting device for the cam head on a deep-well pump drive Resetting device for the cam head on a deep-well pump drive

1979-06-18

1981-05-26

Lawson, Patrick D.

Machine element or mechanism

Control lever and linkage systems

Elements

G05G 104

Patent

active

042690820

ABSTRACT:
A device for displacing the walking beam of deep-well pump drives. The walking beam support of the pivot bearing has on its long sides guides for the walking beam, while its narrow sides have slide arrangements for slightly raising and supporting the walking beam during lengthwise displacement. A two-way shifting device is hinged to the pivot bearing. The other end of the shifting device is connected to that part of the walking beam which engages the crank. On both long sides of the walking beam support, a guide rail may protrude beyond the contact plane of the walking beam support and enclose the lower part of the walking beam. The narrow sides of the walking beam support may mount rollers whose axes run parallel to the narrow sides of the walking beam support. The bottom side of the walking beam has arc-shaped recesses for receiving the roller parts protruding beyond the contact area of the walking beam support. The center axes of these recesses are parallel to the rotary axes of the rollers. The shifting device may be a two-way hydraulic drive whose cylinder is fastened to the pivot bearing block while the piston rod is connected to the walking beam.

REFERENCES:
patent: 3965772 (1976-06-01), Hamisch
patent: 4034623 (1977-07-01), Boone et al.

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