FIELD: instrumentation.
SUBSTANCE: invention refers to instrumentation and can be used for example to measure radial clearances between blade ends of rotating rotor and stator of turbine machine. The device for measuring radial clearances between moving blade tips of rotating rotor and stator of turbine machine contains lateral vision endoscope with photo camera and additional probe with source of light. The probe is installed in stator hole over moving blade tips to illuminate them with narrow light beam the axis of which is located in focal plane of endoscope and is directed to ends of moving blades.
EFFECT: increase in accuracy of radial clearance measurement and eliminating axial rotor clearance offset error.
2 dwg
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