JPH0190895U

JPH0190895U -

Info

Publication number: JPH0190895U
Application number: JP18110587U
Authority: JP
Priority date: 1987-11-30
Filing date: 1987-11-30
Publication date: 1989-06-14
Anticipated expiration: 2002-11-30
Also published as: JPH0512393Y2

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のシールド掘進機のローリング
修正装置を具備したシールドジヤツキの側面図、
第２図は同上シールド掘進機の作業状態を表わす
縦断面図、第３図は第２図―線断面図、、第
４図は第１図―線断面図、第５図は同上シー
ルド掘進機に右廻りのローリングが発生した場合
の修正糸の説明図、第６図は同上右廻りのローリ
ングを修正するために調整したシールドジヤツキ
の側面図、第７図は第６図の調整状態にあるシー
ルドジヤツキに生ずる力関係の説明図、第８図は
同上シールド掘進機に左廻りのローリングが発生
した場合の修正系の説明図、第９図は同上左廻り
のローリングを修正するために調整したシールド
ジヤツキの側面図、第１０図は第９図の調整状態
にあるシールドジヤツキに生ずる力関係の説明図
、第１１図は従来のローリング修正装置を備えた
シールド掘進機の側面図である。図中、１はシールド掘進機、２は掘削穴、３は
セグメント、４はシールドジヤツキ、５はシール
ド本体、６は仮想円周、７は傾斜手段である。 Figure 1 is a side view of a shield jack equipped with a rolling correction device for a shield excavator according to the present invention;
Figure 2 is a vertical cross-sectional view showing the working condition of the above shield tunneling machine, Figure 3 is a cross-sectional view along the lines of Figure 2, Figure 4 is a cross-sectional view along the line of Figure 1, and Figure 5 is a cross-sectional view of the same shield tunneling machine as above. Figure 6 is a side view of the shield jack adjusted to correct the clockwise rolling of the same as above, Figure 7 is the adjusted state shown in Figure 6. An explanatory diagram of the force relationship that occurs in a certain shield jack, Figure 8 is an explanatory diagram of the correction system when counterclockwise rolling occurs in the same shield excavator, and Figure 9 is an explanatory diagram of the correction system for correcting the counterclockwise rolling of the same as above. A side view of the adjusted shield jack, Fig. 10 is an explanatory diagram of the force relationship that occurs in the shield jack in the adjusted state of Fig. 9, and Fig. 11 is a side view of a shield excavator equipped with a conventional rolling correction device. It is. In the figure, 1 is a shield excavator, 2 is an excavation hole, 3 is a segment, 4 is a shield jack, 5 is a shield body, 6 is a virtual circumference, and 7 is a tilting means.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

シールド本体の内周部に、それに沿つて所定の
間隔毎に且つシールド本体の軸方向にその軸方向
を並列させたシールドジヤツキを設け、該シール
ドジヤツキの一端部をシールド本体の掘進方向後
部に組み立てられるセグメントに係合させてその
反力でシールド本体を推進させるシールド掘進機
において、上記シールドジヤツキに上記シールド
本体の周方向に傾斜させて係合させシールド本体
のローリングを修正するための傾斜手段を設けた
ことを特徴とするシールド掘進機のローリング修
正装置。 Shield jacks are provided along the inner circumference of the shield body at predetermined intervals and whose axial directions are parallel to the axial direction of the shield body, and one end of the shield jack is connected to the rear part of the shield body in the excavation direction. In a shield excavator that propels the shield body by the reaction force of the shield by engaging the segments assembled in the shield body, the shield jack is engaged with the shield jack at an angle in the circumferential direction of the shield body to correct the rolling of the shield body. A rolling correction device for a shield excavator, characterized by being provided with a tilting means.