VIBRATION AND VIBRATION MEASUREMENT DEVICE USING ROTARY-WING AIRCRAFT

• Main Authors: TATSUGAMI HIROAKI, MINAMI KOSUKE, SAITO YOSHITO, MATSUO KENJI, MORISHITA MASAYUKI
• Format: Patent
• Language: English; Japanese
• Published: 28.09.2017
• Subjects: AEROPLANES; AIRCRAFT; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT; AVIATION; COSMONAUTICS; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; HELICOPTERS; MEASURING; PARACHUTES; PERFORMING OPERATIONS; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; TRANSPORTING

PROBLEM TO BE SOLVED: To easily and accurately measure the vibration characteristic even for a structure in which a vibration measurement device is difficult to be installed.SOLUTION: A device for vibrating and vibration-measuring a structure using a remote-controllable rotary-wing aircraft 300 includes: fixing means 20 for fixing the rotary-wing aircraft 300 to the structure; rotation axis position adjusting means 40 for adjusting, with respect to the outer surface of the structure, the direction of a rotation axis 31 of a rotary wing 30 disposed in the rotary-wing aircraft 300; vibration controlling means 50 for sweep-vibrating the structure while changing the rotation speed of the rotary wing 30; and vibration measuring means 60 for measuring the vibration applied to the structure.SELECTED DRAWING: Figure 1 【課題】 振動測定装置を設置することが困難な建造物であっても、その振動特性を容易かつ正確に測定する。【解決手段】 遠隔操作可能な回転翼航空機３００を用いて建造物の加振および振動測定を行うための装置であって、回転翼航空機３００を建造物に固定するための固定手段２０と、建造物の外面に対して、回転翼航空機３００が備える回転翼３０の回転軸３１の方向を調整する回転軸位置調整手段４０と、回転翼３０の回転数を変化させて、建造物をスイープ加振する加振制御手段５０と、建造物に加えられた振動を測定する振動測定手段６０とを備える。【選択図】図１