Method for measuring radial flow path clearance of steam turbine through laser tracking measuring system
A technology of laser tracking measurement and system measurement, which is applied in the field of steam turbines to reduce maintenance costs, reduce labor workload, and increase production income
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[0048] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0049] The invention uses a laser tracker to measure the center line of the rotor, the inner diameter of the hub, and the vertical arc of the rotor, and measures the center line of the cylinder body in the cylinder under the state of being completely empty, the distance from the diaphragm seal teeth to the center line of the cylinder body, and the shaft seal seal. The distance from the teeth to the center line of the cylinder body, etc., according to the relative position of the rotor and the cylinder when disassembled, analyzed and processed the above measurement data, and fitted the actual flow gap in the cylinder under the cold state of the full solid cylinder. The invention can also dismantle the cylinder to the half...
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