ELECTRO-OPTICAL DEVICE FOR CONTROLLING PROFILE OF BLADE RUNNER Russian patent published in 2007 - IPC G01B11/24 G01B21/20 

FIELD: electro-optical engineering.

SUBSTANCE: electro-optical device for controlling profile of blade runner has motionless horizontal base, two vertical posts disposed onto base at opposite sides of runner to be controlled, first carriage disposed onto motionless base for movement between vertical posts in parallel to X axis and provided with first linear movement detector and first drive. Device also has second and third carriage mounted onto vertical posts for movement in parallel to Z axis and provided with second third linear movement transducers correspondingly, contrivance for mounting blade disposed onto first carriage which provides strict positioning of blade runner in vertical plane. First and second electro-optical heads are disposed onto second and third carriages and formed each of narrow light beam sources of multi-element photoreceiver, which is provided with sweep-out and code forming unit. Device also has objective. Objectives of electro-optical heads are mounted for triangle optical communication of photoreceivers with narrow light beam sources through corresponding surfaces of runner of blade to be controlled. Device also has second drive and computer. Inputs of computer are connected with outputs of linear movement detectors and of multi-element photoreceivers; outputs of computer are connected with drive of device. Device has joist which connects vertical posts; it forms the first portal and second portal which has vertical posts disposed at opposite sides of blade to be controlled. One post of second portal is attached to second carriage. Light radiation source and receiver, conjugated optically, are provided with corresponding objectives and are fixed at different posts of second portal. Flexible cinematic coupling connects second and third carriages. Second drive is disposed onto joist of first portal and it is provided with driving roller which communicates with flexible cinematic coupling. Output of light radiation receiver is connected with input of computer. False parts of contour of runner are eliminated out of memory of computer.

EFFECT: improved truth of results of control; reduced number of drives.

2 cl, 3 dwg