JPH0441598U - - Google Patents

Info

Publication number
JPH0441598U
JPH0441598U JP8056690U JP8056690U JPH0441598U JP H0441598 U JPH0441598 U JP H0441598U JP 8056690 U JP8056690 U JP 8056690U JP 8056690 U JP8056690 U JP 8056690U JP H0441598 U JPH0441598 U JP H0441598U
Authority
JP
Japan
Prior art keywords
holding device
support leg
segment
truck
shield excavator
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
JP8056690U
Other languages
Japanese (ja)
Other versions
JPH0747516Y2 (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 JP8056690U priority Critical patent/JPH0747516Y2/en
Publication of JPH0441598U publication Critical patent/JPH0441598U/ja
Application granted granted Critical
Publication of JPH0747516Y2 publication Critical patent/JPH0747516Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の真円保持装置が採用されるシ
ールド掘進機の一例を示す全体断面図、第２図は
本考案の要部を示す側面図、第３図はその横断面
図、第４図は台車の転倒防止部材の詳細を示す拡
大断面図、第５図は当接部材の詳細を示す拡大断
面図である。 図中、１はシールド掘進機、３はシールドフレ
ーム、４はセグメント、６はビーム、７は真円保
持装置、８は台車、９はシリンダ、１０は支持脚
部、１１は当接部材である。 Fig. 1 is an overall cross-sectional view showing an example of a shield tunneling machine in which the roundness holding device of the present invention is adopted, Fig. 2 is a side view showing the main parts of the present invention, Fig. 3 is a cross-sectional view thereof, and Fig. 3 is a cross-sectional view thereof. FIG. 4 is an enlarged sectional view showing details of the overturn prevention member of the truck, and FIG. 5 is an enlarged sectional view showing details of the abutment member. In the figure, 1 is a shield excavator, 3 is a shield frame, 4 is a segment, 6 is a beam, 7 is a perfect circle holding device, 8 is a truck, 9 is a cylinder, 10 is a support leg, and 11 is a contact member. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シールドフレーム内から後方に延出されたビー
ムに設けられ、坑道の内周に組み立てられたセグ
メントの内周面を押圧保持するシールド掘進機の
真円保持装置において、上記ビーム上に前後方向
に移動自在に支持された台車と、該台車上にシリ
ンダを介して昇降自在に設けられた支持脚部と、
該支持脚部の上端部に左右方向に移動自在に設け
られ、上記セグメントの内周面に当接される当接
部材とを備えたことを特徴とするシールド掘進機
の真円保持装置。 In the roundness holding device of a shield excavator, which is installed on a beam extending rearward from inside the shield frame and presses and holds the inner peripheral surface of the segment assembled on the inner periphery of the tunnel, the device moves forward and backward on the beam. A freely supported truck; a support leg provided on the truck via a cylinder so that it can be raised and lowered;
A perfect circle holding device for a shield excavator, comprising: a contact member movable in the left-right direction at the upper end of the support leg and abutting against the inner circumferential surface of the segment.
JP8056690U 1990-07-31 1990-07-31 Perfect circle holding device for shield machine Expired - Lifetime JPH0747516Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8056690U JPH0747516Y2 (en) 1990-07-31 1990-07-31 Perfect circle holding device for shield machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8056690U JPH0747516Y2 (en) 1990-07-31 1990-07-31 Perfect circle holding device for shield machine

Publications (2)

Publication Number Publication Date
JPH0441598U true JPH0441598U (en) 1992-04-08
JPH0747516Y2 JPH0747516Y2 (en) 1995-11-01

Family

ID=31625745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8056690U Expired - Lifetime JPH0747516Y2 (en) 1990-07-31 1990-07-31 Perfect circle holding device for shield machine

Country Status (1)

Country Link
JP (1) JPH0747516Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014101631A (en) * 2012-11-16 2014-06-05 Kawasaki Heavy Ind Ltd Perfect circle holding device
JP2014101632A (en) * 2012-11-16 2014-06-05 Kawasaki Heavy Ind Ltd Perfect circle holding device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4562636B2 (en) * 2005-10-07 2010-10-13 ジャパントンネルシステムズ株式会社 Shape retention device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014101631A (en) * 2012-11-16 2014-06-05 Kawasaki Heavy Ind Ltd Perfect circle holding device
JP2014101632A (en) * 2012-11-16 2014-06-05 Kawasaki Heavy Ind Ltd Perfect circle holding device

Also Published As

Publication number Publication date
JPH0747516Y2 (en) 1995-11-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term