JPS61103599U

JPS61103599U -

Info

Publication number: JPS61103599U
Application number: JP18933484U
Authority: JP
Priority date: 1984-12-13
Filing date: 1984-12-13
Publication date: 1986-07-01

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案の一実施例を示す
もので、第１図は軸流圧接機における、翼車に対
する動翼の取付け構造を示す平面図、第２図は第
１図の―断面図、第３図はスペーサの平面図
、第４図はスペーサの斜視図、第５図ないし第１
０図は従来の軸流圧縮機における、翼車に対する
動翼の取付け構造を示す平面図、第６図は第５図
の―断面図、第７図は第５図の―断面図
、第８図は第５図の―断面図、第９図は翼車
に対する動翼の取付け構造を示す縦断面図、第１
０図は従来の不具合点を説明する図である。Ａ……道翼、Ｂ……翼車、１……動翼翼形部、
２……プラツトフオーム部、３……動翼翼根部、
４……翼車溝、１０……凹部、１１……スペーサ
、１２……立上り片。 Figures 1 to 4 show one embodiment of the present invention. Figure 1 is a plan view showing the attachment structure of the rotor blade to the impeller in an axial pressure welding machine, and Figure 2 is the same as in Figure 1. - Sectional view, Figure 3 is a plan view of the spacer, Figure 4 is a perspective view of the spacer, Figures 5 to 1
Figure 0 is a plan view showing the attachment structure of rotor blades to the impeller in a conventional axial flow compressor, Figure 6 is a cross-sectional view of Figure 5, Figure 7 is a cross-sectional view of Figure 5, and Figure 8 is a cross-sectional view of Figure 5. The figure is a sectional view of Fig. 5, Fig. 9 is a longitudinal sectional view showing the attachment structure of the rotor blade to the impeller, and
FIG. 0 is a diagram illustrating a conventional problem. A...road blade, B...blade wheel, 1...motor blade airfoil,
2...Platform part, 3...Rotating blade root part,
4... impeller groove, 10... recess, 11... spacer, 12... rising piece.

Claims

[Scope of utility model registration request]

Between the bottom surface of the impeller groove formed on the outer periphery of the impeller and the bottom surface of the rotor blade root inserted into the impeller groove,
A fluid machine characterized in that a spacer having a plurality of rising pieces spaced at equal intervals in the circumferential direction of a blade wheel is inserted, and each rising piece of the spacer is positioned between blade roots of adjacent rotor blades.