JPH0297492U - - Google Patents

Info

Publication number
JPH0297492U
JPH0297492U JP452489U JP452489U JPH0297492U JP H0297492 U JPH0297492 U JP H0297492U JP 452489 U JP452489 U JP 452489U JP 452489 U JP452489 U JP 452489U JP H0297492 U JPH0297492 U JP H0297492U
Authority
JP
Japan
Prior art keywords
rectangular
cutter
overboard
section
rectangular cross
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
JP452489U
Other languages
Japanese (ja)
Other versions
JPH0738476Y2 (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 JP1989004524U priority Critical patent/JPH0738476Y2/en
Publication of JPH0297492U publication Critical patent/JPH0297492U/ja
Application granted granted Critical
Publication of JPH0738476Y2 publication Critical patent/JPH0738476Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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図は本考案の一実施例の切断側面図、第２
図は第１図の−矢視図、第３図は第１図の
−矢視図、第４図は従来のシールド掘進機の一
例を示す切断側面図である。 １は矩形シールドフレーム、３，３′は縦軸カ
ツタ、１４，１４′はカツタ駆動装置、２５，２
５′はオーバー板カツタ、２６は凸部、２７は後
部固定部材、２８，２８′は駆動装置、２９，２
９′は余掘り装置、３０は案内板を示す。 Figure 1 is a cutaway side view of one embodiment of the present invention;
1, FIG. 3 is a view along the - arrow in FIG. 1, and FIG. 4 is a cutaway side view showing an example of a conventional shield tunneling machine. 1 is a rectangular shield frame, 3, 3' are vertical shaft cutters, 14, 14' are cutter drive devices, 25, 2
5' is an overboard cutter, 26 is a convex part, 27 is a rear fixing member, 28, 28' is a drive device, 29, 2
9' is an over-digging device, and 30 is a guide plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 断面が矩形形状を有する矩形シールドフレーム
の前端内部に、該矩形シールドフレームの壁面前
端に沿つて外側に向けて突出、引込みが可能なオ
ーバー板カツタと、該オーバー板カツタの突出、
引込みを駆動する駆動装置からなる余掘り装置を
設けたことを特徴とする矩形断面シールド掘進機
。 An overboard cutter that can be protruded and retracted toward the outside along the front end of the wall surface of the rectangular shielding frame inside the front end of the rectangular shield frame having a rectangular cross section, and a protrusion of the overboard cutter,
A rectangular cross-section shield excavator characterized by being provided with an over-excavation device consisting of a drive device for driving retraction.
JP1989004524U 1989-01-13 1989-01-13 Rectangular cross section shield machine Expired - Lifetime JPH0738476Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989004524U JPH0738476Y2 (en) 1989-01-13 1989-01-13 Rectangular cross section shield machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989004524U JPH0738476Y2 (en) 1989-01-13 1989-01-13 Rectangular cross section shield machine

Publications (2)

Publication Number Publication Date
JPH0297492U true JPH0297492U (en) 1990-08-02
JPH0738476Y2 JPH0738476Y2 (en) 1995-09-06

Family

ID=31207112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989004524U Expired - Lifetime JPH0738476Y2 (en) 1989-01-13 1989-01-13 Rectangular cross section shield machine

Country Status (1)

Country Link
JP (1) JPH0738476Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828495A (en) * 1971-08-14 1973-04-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828495A (en) * 1971-08-14 1973-04-14

Also Published As

Publication number Publication date
JPH0738476Y2 (en) 1995-09-06

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term