Rotary ultrasonic testing apparatus with hydraulic lifting units

摘要

The present application provides a rotary testing apparatus for use with a work piece. The rotary testing apparatus may include a rotor, a probe, and a lifting unit for maneuvering the probe about the work piece. The lifting unit may include a hydraulic lifting mechanism and a counterweight mechanism.

主权项

1. A lifting unit for a probe used in a rotary ultrasonic testing apparatus, comprising:
a lifting unit base; a counterweight mechanism; a hydraulic lifting mechanism; and a gear wheel positioned between the counterweight mechanism and the hydraulic lifting mechanism; wherein the counterweight mechanism comprises a first rack, wherein the hydraulic lifting mechanism comprises a second rack, and wherein the gear wheel is positioned between the first rack and the second rack.