Hydraulic apparatus for raising and lowering an impeller shaft

Details Hydraulic apparatus for raising and lowering an impeller shaft Hydraulic apparatus for raising and lowering an impeller shaft

1976-10-14

1977-09-06

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Tie rod tensioner

E21B 1900

Patent

active

040463524

ABSTRACT:
A hydraulic apparatus is provided for raising and lowering the shaft of an impeller apparatus and includes a hydraulic cylinder having a piston mounted therein. A piston rod is connected to the piston and extends from one end of the cylinder. A support means for the cylinder is provided and includes a top portion, a base portion, and a hollow interior portion. The base portion is adapted to be secured to the top of the impeller apparatus. The cylinder is secured to the top portion of the support means and the piston rod extends downward into the hollow interior portion. Further means are provided for securing the piston rod to the end of the shaft, and hydraulic circuit means are placed in fluid communication with the hydraulic cylinder for activating the hydraulic cylinder to raise and lower the shaft. The hollow interior portion of the support means serves to receive the end of the shaft when the shaft is in the raised position.

REFERENCES:
patent: 2911190 (1959-11-01), Creason
patent: 3096075 (1963-07-01), Brown
patent: 3995828 (1976-12-01), Orban

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