DISPLACEMENT CONVERTER, VIBRATION CONTROL DEVICE INSPECTION MECHANISM, AND VIBRATION CONTROL DEVICE INSPECTION METHOD

• Main Authors: SONE TAKAYUKI, WATAI KAZUKI
• Format: Patent
• Language: English; Japanese
• Published: 31.08.2023
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

To reduce displacement that is input to a vibration control device with a simple constitution.SOLUTION: A displacement converter 20 comprises: a cylinder 22 formed by arranging a large-diameter portion 22A and a small-diameter portion 22B having different cross-sectional areas in a cylindrical axis direction side by side; a first piston rod 24 including a first piston 24A capable of sliding along an inner wall of the large-diameter portion 22A, and a first rod 24B that is connected to the first piston 24A and protrudes from the large-diameter portion 22A to the outside of the cylinder 22; a second piston rod 26 including a second piston 26A capable of sliding along an inner wall of the small-diameter portion 22B, and a second rod 26B that is connected to the second piston 26A, protrudes from the small-diameter portion 22B to the outside of the cylinder 22, and is on the same axis as the first rod 24B; and one flow passage 28 that communicates between a first oil chamber (oil chamber 32) located outside of the first piston 24A in the large-diameter portion 22A and a second oil chamber (oil chamber 34) located outside of the second piston 26A in the small-diameter portion 22B.SELECTED DRAWING: Figure 2 【課題】簡易な構成によって制振装置に入力される変位を低減する。【解決手段】変位変換装置２０は、断面積が異なる大径部２２Ａと小径部２２Ｂとが筒軸方向に並んで形成されたシリンダ２２と、大径部２２Ａの内壁に沿って摺動可能な第一ピストン２４Ａと、第一ピストン２４Ａに連結され大径部２２Ａからシリンダ２２の外部へ突出する第一ロッド２４Ｂと、を備えた第一ピストンロッド２４と、小径部２２Ｂの内壁に沿って摺動可能な第二ピストン２６Ａと、第二ピストン２６Ａに連結され小径部２２Ｂからシリンダ２２の外部へ突出し、第一ロッド２４Ｂと同軸上にある第二ロッド２６Ｂと、を備えた第二ピストンロッド２６と、大径部２２Ａにおいて第一ピストン２４Ａより外側にある第一オイル室（オイル室３２）と、小径部２２Ｂにおいて第二ピストン２６Ａより外側にある第二オイル室（オイル室３４）と、を連通する一つの流路２８と、を備える。【選択図】図２