公开(公告)号：EP2372165A1

公开(公告)日：2011-10-05

申请号：EP09834589.5

申请日：2009-09-24

申请人： Mitsubishi Heavy Industries, Ltd.

发明人： UEDA, Osamu ,  HAMANA, Hiroyuki ,  SEKI, Naoyuki ,  ARASE, Kenichi ,  SHIGEMOTO, Katsuhisa

IPC分类号： F04D29/52 ,  F01D9/02

CPC分类号： F01D11/001 ,  F01D5/16 ,  F01D5/26 ,  F01D11/02 ,  F04D29/542 ,  F04D29/668 ,  F05D2250/184 ,  F05D2250/611 ,  F05D2260/52 ,  Y02T50/673

摘要： Provided are turbine blades and a gas turbine capable of damping the vibrations caused by an excitation force and facilitating mounting/disassembly. Included are a shroud portion (13) disposed at an end portion of an airfoil portion (12); a holder casing (14) that can slide relative to the shroud portion (13), that can also be attached thereto/detached therefrom, and that forms a space with the shroud portion (13) therebetween; and an elastic portion (15) that is disposed in the space, that biases the shroud portion (13) in a direction that separates it from the holder casing (14), and is disposed in a movable manner relative to the shroud portion (13); and a pressing portion (16) that is disposed between the elastic portion (15) and the holder casing (14) and that can be moved toward and away from the shroud portion (13).

摘要翻译： 提供了涡轮机叶片和能够抑制由激励力引起的振动并且便于安装/拆卸的燃气轮机。 包括设置在翼型部分（12）的端部处的护罩部分（13）; 能够相对于所述护罩部分（13）滑动的保持器壳体（14），其也可以附接到所述护罩部分（13）上，从而与所述护罩部分（13）之间形成空间; 以及弹性部分（15），其设置在所述空间中，使所述护罩部分（13）沿与所述保持器壳体（14）分离的方向偏压，并且相对于所述护罩部分（13）以可移动的方式设置 ）; 以及设置在所述弹性部分（15）和所述保持器壳体（14）之间并能够朝向和远离所述护罩部分（13）移动的按压部分（16）。