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    • 5. 发明授权
    • Externally adjustable axial location for a vane carrier in a turbine
    • 涡轮机叶片承载件的外部可调轴向位置
    • US4650396A
    • 1987-03-17
    • US658559
    • 1984-10-09
    • Hans Schwarz
    • Hans Schwarz
    • F01D9/02F01D25/24F01D25/26
    • F01D25/26F01D25/243F05D2230/644Y10T403/7067
    • A vane carrier (1) is axially located in an upper casing part (2) by means of a wedge (3). On the one hand, axial location, attainable by simple means, of the vane carrier (1) is desirable after the assembly of the upper casing parts (2). On the other hand, there is a requirement for easy release of the upper casing part (2) during the dismantling of the latter. During the assembly of the upper casing part (2), the wedge (3) is pulled tight against the vane carrier (1) by means of a screw (8). The vane carrier (1) is axially located in the upper casing part (2) by contact of the wedge contact surfaces (3', 3") with the surface (5) of the vane carrier (1) and with the surface (2") of the upper casing part (2). During dismantling of the upper casing part (2), the screw (8), and therefore the wedge (3), is loosened. When the upper casing part (2) is slightly raised, gaps form between the surfaces (2', 4) of the vane carrier (1) and the upper casing part (2), between the surfaces (3', 5) of the wedge (3) and the vane carrier (1), between the part (2) and between the surfaces (35, 36) of the upper casing part (2) and the compressor part (28). This formation of gaps makes possible satisfactory dismantling and assembly of the upper casing part (2) without the danger of damage to the previously paired surfaces or the previously clearance fitted surfaces concerned.
    • 叶片载体(1)通过楔形件(3)轴向地位于上壳体部分(2)中。 一方面,在组装上壳体部件(2)之后,希望通过简单的装置可以获得叶片承载件(1)的轴向位置。 另一方面,需要在拆卸上壳体部分(2)时容易地释放上壳体部分(2)。 在上部壳体部分(2)的组装过程中,楔形件(3)通过螺钉(8)紧紧地抵靠在叶片载体(1)上。 叶片承载件(1)通过楔形接触表面(3',3“)与叶片承载件(1)的表面(5)和表面(3')的接触而轴向地位于上壳体部分(2)中 2“)。 在拆卸上壳体部分(2)期间,螺钉(8)以及楔形件(3)松动。 当上壳体部分(2)略微升高时,在叶片承载件(1)和上壳体部件(2)的表面(2',4)之间形成间隙, 楔形件(3)和叶片承载件(1)之间,在上部壳体部分(2)和压缩机部件(28)的部分(2)之间和表面(35,36)之间。 这种间隙的形成使得上壳体部件(2)的拆卸和组装成为可能,而不会损坏先前成对的表面或先前的间隙配合表面。