Automatic alignment system for earth boring rig

Details Automatic alignment system for earth boring rig Automatic alignment system for earth boring rig

G - Physics

05

D

255/39, 341/97

G05D 3/00 (2006.01) E02F 9/02 (2006.01) E21B 7/02 (2006.01) E21B 15/04 (2006.01)

Patent

CA 1065451

Abstract of the Invention. An automatic alignment con- trol system for an earth boring rig utilizes sensor means on the drilling mast for actuating switches connected to power controls. The sensor means reacts to misalignment of the drilling mast ver- tical axes to close appropriate switches which in turn generate signals to power means which are arranged to shift the mast axes in the appropriate direction for proper vertical alignment.

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