JPS62133791U - - Google Patents

Info

Publication number
JPS62133791U
JPS62133791U JP2005386U JP2005386U JPS62133791U JP S62133791 U JPS62133791 U JP S62133791U JP 2005386 U JP2005386 U JP 2005386U JP 2005386 U JP2005386 U JP 2005386U JP S62133791 U JPS62133791 U JP S62133791U
Authority
JP
Japan
Prior art keywords
shield
jack
frame
tension wire
jacks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2005386U
Other languages
Japanese (ja)
Other versions
JPH0417669Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986020053U priority Critical patent/JPH0417669Y2/ja
Publication of JPS62133791U publication Critical patent/JPS62133791U/ja
Application granted granted Critical
Publication of JPH0417669Y2 publication Critical patent/JPH0417669Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

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

第１図及び第３図は本考案のシールドジヤツキ
を示す一部破断図、第２図は第１図の―線矢
視図、第４図は第３図の―線矢視図、第５図
は本考案のシールドジヤツキが設けられたシール
ド掘進機を示す断面図、第６図は従来のシールド
掘進機を示す断面図である。 図中、１はシールドフレーム、４はシールドジ
ヤツキ、５はシールドジヤツキのロツド部、６は
テンシヨンワイヤ、８はセグメント、１３はテン
シヨンワイヤ牽引用ブラケツトである。 Figures 1 and 3 are partially cutaway views showing the shield jack of the present invention, Figure 2 is a view taken along the - arrow in Figure 1, and Figure 4 is a view taken in the - arrow direction of Figure 3. FIG. 5 is a sectional view showing a shield tunneling machine equipped with the shield jack of the present invention, and FIG. 6 is a sectional view showing a conventional shield tunneling machine. In the figure, 1 is a shield frame, 4 is a shield jack, 5 is a rod portion of the shield jack, 6 is a tension wire, 8 is a segment, and 13 is a bracket for pulling the tension wire.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 掘進方向後方に形成されるセグメントに、その
ロツド部が伸長して反力を取りシールドフレーム
全体を掘進方向前方へ前進させるシールドジヤツ
キをシールドフレーム内に少なくとも一対設けた
シールド掘進機において、相対向する上記シール
ドジヤツキを、そのいずれか一方を伸長させると
共に他方を収縮させてシールドフレームの掘削進
路を変更するように構成し、シールドジヤツキの
ロツド部に、その収縮時、上記セグメントに固定
されたテンシヨンワイヤに係合するテンシヨンワ
イヤ牽引用ブラケツトを設けたことを特徴とする
シールド掘進僅のシールドジヤツキ。 In a shield excavator in which at least one pair of shield jacks are provided in the shield frame, the rod portions of the segments formed at the rear in the excavation direction extend to absorb reaction force and move the entire shield frame forward in the excavation direction. The shield jack is configured to extend one of the shield jacks and contract the other to change the excavation course of the shield frame, and the rod part of the shield jack is fixed to the segment when the rod part of the shield jack is contracted. A shield jack with little shield digging, characterized by being provided with a tension wire traction bracket that engages with a tension wire.
JP1986020053U 1986-02-17 1986-02-17 Expired JPH0417669Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986020053U JPH0417669Y2 (en) 1986-02-17 1986-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986020053U JPH0417669Y2 (en) 1986-02-17 1986-02-17

Publications (2)

Publication Number Publication Date
JPS62133791U true JPS62133791U (en) 1987-08-22
JPH0417669Y2 JPH0417669Y2 (en) 1992-04-20

Family

ID=30815205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986020053U Expired JPH0417669Y2 (en) 1986-02-17 1986-02-17

Country Status (1)

Country Link
JP (1) JPH0417669Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02266094A (en) * 1989-04-06 1990-10-30 Shimizu Corp Propelling method for shield excavator for shield construction
JPH0441590U (en) * 1990-08-08 1992-04-08

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198130A (en) * 1975-02-26 1976-08-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198130A (en) * 1975-02-26 1976-08-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02266094A (en) * 1989-04-06 1990-10-30 Shimizu Corp Propelling method for shield excavator for shield construction
JPH0441590U (en) * 1990-08-08 1992-04-08

Also Published As

Publication number Publication date
JPH0417669Y2 (en) 1992-04-20

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