Dynamic balancing means for an oil well pumping unit
Patent
·
OSTI ID:5516838
This patent describes an oil well pumping unit having a pump jack driven by an internal combustion engine with a belt connecting the pump jack to the engine, consisting of: means for dynamically balancing the pumping unit, comprising means for indicating tension being applied to the belt while the pumping unit is running throughout at least one full cycle of the pump jack, and means for restraining the tension indicating means against movement with the belt, the tension indicating means comprising: (a) a frame having a pair of guide pulleys thereon, (b) a tension pulley between the guide pulleys, (c) pantograph means for attaching the tension pulley to the frame, (d) spring means for biasing the tension pulley toward the belt, (e) means for adjusting the spring bias, (f) an elongated pointer pivotally mounted at the base thereof, (g) a crank arm attached to the pointer at the base thereof, and (h) pivotal linkage means connecting the pantograph means to the crank arm for indicating the tension on the belt.
- Assignee:
- Texaco, Inc., White Plains, NY
- Patent Number(s):
- US 4576041
- OSTI ID:
- 5516838
- Country of Publication:
- United States
- Language:
- English
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