JPS62148697U

JPS62148697U -

Info

Publication number: JPS62148697U
Application number: JP3389186U
Authority: JP
Priority date: 1986-03-11
Filing date: 1986-03-11
Publication date: 1987-09-19

Description

[Brief explanation of the drawing]

第１図は本考案のシールド掘進機の裏込注入装
置の一実施例を示す断面図、第２図は第１図の平
断面図、第３図は第１図の―線断面図、第４
図はシールド掘進機の全体断面図、第５図は従来
の裏込注入装置の断面図、第６図は中折れ式シー
ルド掘進機のシールドフレームの部分断面図であ
る。図中、１はシールドフレーム、２は外筒、３は
裏込注入管、３ａは注入ノズル部、３ｂは供給側
、９は摺動ジヤツキ、１０はロツド部、１１は偏
心摺動部材である。 Fig. 1 is a sectional view showing an embodiment of the backfilling injection device for a shield tunneling machine of the present invention, Fig. 2 is a plan sectional view of Fig. 1, and Fig. 3 is a sectional view taken along the line - - of Fig. 1. 4
5 is a sectional view of a conventional backfilling injection device, and FIG. 6 is a partial sectional view of a shield frame of a folding type shield excavator. In the figure, 1 is a shield frame, 2 is an outer cylinder, 3 is a backfilling injection pipe, 3a is an injection nozzle part, 3b is a supply side, 9 is a sliding jack, 10 is a rod part, and 11 is an eccentric sliding member. .

Claims

[Scope of utility model registration request]

A backfilling injection pipe for injecting backfilling material between the segments and the ground constructed behind the shield frame is provided on the outside of the shield frame so as to be movable along the axial direction, and an outer cylinder is provided to surround the backfilling injection pipe. In addition, in a backfilling injection device for a shield excavator, which has a sliding jack connected to the supply side of the backfilling injection pipe to make the injection nozzle appear and disappear from the ground, the sliding jack is placed inside the shield frame. A backfill injection device for a shield excavator, characterized in that the rod part of the sliding jack and the backfill injection pipe are connected by an eccentric sliding member.