JPS62181637U

JPS62181637U -

Info

Publication number: JPS62181637U
Application number: JP6759086U
Authority: JP
Priority date: 1986-05-02
Filing date: 1986-05-02
Publication date: 1987-11-18

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す要部の半断面正
面図、第２図は第１図の―線断面図、第３図
ａ，ｂは撹拌翼の正面図、第４図は別の実施例を
示す第１図相当図、第５図は第４図の―線断
面図、第６図はさらに別の実施例を示す第５図相
当図、第７図は本考案の撹拌装置を用いた地盤改
良機の外観側面図である。１……撹拌軸、２ａ，２ｂ，２ｃ，２ｄ……撹
拌翼、３……撹拌翼取付用ボス部、３ａ，３ｂ，
３ｃ，３ｄ……ボス分割片、４……ボルト、１１
……改良材送給通路、１２，１３……連通穴、１
４……撹拌翼取付部、３１，３２……改良材吐出
口。 Fig. 1 is a half-sectional front view of the main part showing an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the line - - of Fig. 1, Fig. 3 a and b are front views of the stirring blade, and Fig. 4 is a separate one. FIG. 5 is a cross-sectional view taken along the line -- in FIG. 4, FIG. 6 is a diagram equivalent to FIG. 5 showing another embodiment, and FIG. 7 is a stirring device of the present invention. FIG. 2 is an external side view of a soil improvement machine using 1... Stirring shaft, 2a, 2b, 2c, 2d... Stirring blade, 3... Stirring blade attachment boss part, 3a, 3b,
3c, 3d...Boss division piece, 4...Bolt, 11
...Improvement material feeding passage, 12, 13...Communication hole, 1
4... Stirring blade attachment part, 31, 32... Improved material discharge port.

Claims

[Scope of utility model registration request]

An axial feed passage for the ground improvement material is provided inside the stirring shaft which is supported so as to be able to move up and down in the axial direction with respect to the main body of the ground improvement machine and to be able to rotate around the axis.
A plurality of circumferentially divided boss pieces are detachably attached to the lower end of the stirring shaft, and a radial stirring blade is protruded from the outer surface of each boss piece. A stirring device for a soil improvement machine, characterized in that at least one boss division piece is provided with a improving material discharge port that communicates with the improving material feeding passage in the stirring shaft.