TH76317B - Non-contact inner diameter measuring device - Google Patents

Abstract

Page 1 of the number 1 page, a summary of the invention. The non-contact inner diameter measuring device has a support shaft 10, a pair of sensers. Laser elimination 25 with a sensor tip 25f fixed at the symmetrical location of the head unit 21 and protruding along opposite sides of the support shaft 10, the laser elimination sensor 25 will is maintained by being fitted to head unit 21. A pair of angle 28 reflectors are positioned opposite the laser emission openings 25e of each laser removal sensor 25. With laser 25 and reflector 28, both are supported overall by head unit 21 to form a 20 sensor unit. Non-contact inner diameter measurement units can be measured. the inner diameter of the cylindrical assembly to be measured, with high work efficiency and with high detection accuracy

Claims (5)

Disclaimer (all) which will not appear on the advertisement page: page 1 of the number 2 disclaimers 1.Non-contact inner diameter measuring device, consisting of a laser removal sensor (25) for emitting a laser beam, and an angle reflector (28) for receiving a laser beam emitted from the receiver. Know laser ablation (25) to reflect the laser beam at an angle. Respectively, to be directed to the surface along the internal circumference of the cylindrical assembly (50) to be measured, the angle reflector (28) processed to receive the laser beam reflected off the surface according to The internal circumference of a cylindrical assembly to direct the received laser beam back to the sensing sensor. Laser eliminator (25), respectively, to make the laser eliminator sensor (25) to detect the laser beam. Reflector to measure the inner diameter of a cylindrical assembly (50): where a non-contact inner diameter measuring device is assembled with a support shaft (10), a head unit (21) with a clamped middle section. Attached to one end of the supporting shaft (10), the head unit (21) has the shape of a plate enlarged in diameter. The laser rooting sensors (25) are provided in a pair, and there will be a receptor end (25f) that is attached to the head unit (21) at the symmetrical position of the head unit (21). Corresponding to the central axis (Lc) of the support shaft (10), the laser elimination sensor (25) protruding along the opposite sides. Of the support shaft (10) and that is maintained at the radial inward position of the contoured surfaces Around the external loop of the head unit (21) to release a laser beam sequentially through the laser emission opening (25e) formed in the receptor tip (25f); Corner reflectors (28) will be provided in a pair and will be arranged in sequence opposite the opening. Releases the laser (25e) of the pair of laser ablation sensors (25), the angled reflector (28), respectively maintained on the mirror holding assembly (23), maintained on the head unit (21). ) And a pair of lacer-elimination receptors (25) and a pair of angled reflectors (28) are both supported. The whole thing on the head unit (21) to form the sensory unit (20). 2. A non-contact inner diameter measuring device according to claim 1, where: the sensory tip (25f) is formed in a circular shape, and the laser emission opening (25e) is Forming in the receptor end (25f); And the distance (v) at which the laser beam is emitted through each channel of the laser emission opening (25e) travels to reach the reflecting mirror, the corresponding angle (28), is smaller than the set distance. Page 2 of number 2 By subtracting the radius (r) of the sensory tip surface (25f) from the smallest measuring distance. Within the specified measurable range of the laser elimination sensor (25). 3.Non-contact inner diameter measuring device according to claim 2, where the receiver pair The laser ablation (25) is enclosed by a cylindrical sensory shield (31) that extends along the periphery surface along the outer circumference of the head unit (21). 4.Non-contact inner diameter measuring device according to claim 3, where: a pair of corner reflectors (28) are covered with a glass protective cover (35) with a cylindrical shape with a section. The flat bottom, glass protection cover (35) that will be placed on the end face (21f) of the head unit (21) and the glass protection cover (35) will have a translucent assembly (36) that Fit into many The part corresponding to the area where the laser beam travels by being reflected by an angled mirror (28). 5.Non-contact inner diameter measuring device according to one of Claims 1 to Clause 4; That is also included: An Arithmetic Processor (40) for performing arithmetic operations with It is based on double reverse offset on the measurement data of the inner diameter of the piece. The cylinder assembly (50) to be measured, the inner diameter to be measured on the basis of the distance Arrival of the laser beam detected by the laser displacement sensor (25), in this way to obtain The inside diameter of the enclosed circle in the enclosure, emphasizing the estimated inner diameter to Measured value of cylinder measuring tool from measurement data