JPH01138989U

JPH01138989U -

Info

Publication number: JPH01138989U
Application number: JP2756388U
Authority: JP
Priority date: 1988-03-03
Filing date: 1988-03-03
Publication date: 1989-09-22

Description

[Brief explanation of the drawing]

第１図ないし第８図はこの考案の一実施例を示
すものであつて、第１図はセグメント係合部材が
格納されているときのテールクリアランス変位計
測装置を示す平面図、第２図はセグメント係合部
材をスプレツダよりも後方に突出させたときのテ
ールクリアランス変位計測装置を示す平面図、第
３図はシールド掘進機本体内のシールドジヤツキ
とスプレツダとテールクリアランス変位計測装置
との配置を示す縦断正面図、第４図はテールクリ
アランス変位計測装置の正面図、第５図はテール
クリアランス変位計測装置の一部とシールド掘進
機本体とセグメントとの関係を示す縦断側面図、
第６図は第５図の一部を拡大して示す縦断側面図
、第７図は電気ケーブルを巻取るケーブル撓み防
止用巻取機の設置状態を示す縦断側面図、第８図
はテールクリアランス変位計測表示回路を示す図
、第９図は鉄筋コンクリートセグメントに係合さ
れるセグメント係合部材を示す側面図である。図において、１はシールドジヤツキ、２はスプ
レツダ、３は変位計支持アーム、４はシールドテ
ールスキンプレート、５は計測用可動部材、６は
変位計、７は変位計本体、８は回動用押圧部材、
９はセグメント係合部材、１０はシールド掘進機
本体、１１はアーム回動操作部材、１２はブラケ
ツト、１３は支軸、１５は外向きフランジ、１６
はガイド筒、１７は内筒、１８は外筒、１９は内
向きフランジ、２０はスライド筒体、２１は引込
用圧縮コイルばね、２２は押出用圧縮コイルばね
、２４は電気ケーブル、２５はケーブル撓み防止
用巻取機、２６はテールクリアランス変位計測装
置、２７は信号変換器、２８は表示盤である。 1 to 8 show an embodiment of this invention, in which FIG. 1 is a plan view showing the tail clearance displacement measuring device when the segment engagement member is stored, and FIG. A plan view showing the tail clearance displacement measuring device when the segment engaging member is protruded rearward beyond the spreader, and FIG. FIG. 4 is a front view of the tail clearance displacement measuring device; FIG. 5 is a vertical side view showing the relationship between a part of the tail clearance displacement measuring device, the shield tunneling machine body, and the segments;
Fig. 6 is a vertical side view showing an enlarged part of Fig. 5, Fig. 7 is a longitudinal side view showing the installed state of the winder for preventing cable deflection that winds electric cables, and Fig. 8 is a tail clearance. FIG. 9 is a side view showing a segment engaging member engaged with a reinforced concrete segment. In the figure, 1 is a shield jack, 2 is a spreader, 3 is a displacement meter support arm, 4 is a shield tail skin plate, 5 is a movable member for measurement, 6 is a displacement meter, 7 is a displacement meter body, 8 is a rotation press Element,
9 is a segment engagement member, 10 is a shield excavator main body, 11 is an arm rotation operation member, 12 is a bracket, 13 is a support shaft, 15 is an outward flange, 16
1 is a guide cylinder, 17 is an inner cylinder, 18 is an outer cylinder, 19 is an inward flange, 20 is a sliding cylinder body, 21 is a compression coil spring for retraction, 22 is a compression coil spring for extrusion, 24 is an electric cable, and 25 is a cable. 26 is a tail clearance displacement measuring device, 27 is a signal converter, and 28 is a display panel.

Claims

[Scope of utility model registration request]

A middle part of a displacement meter support arm 3 is rotatably attached to a spreader 2 fixed to the rear end of a shield jack 1 in a shield excavator, and a shield tail skin is attached to the tip of the displacement meter support arm 3. A displacement meter main body 7 of a displacement meter 6 having a movable measurement member 5 that moves in a direction perpendicular to the inner surface of the plate 4 is fixed, and the distal end side of the displacement meter support arm 3 is attached to the displacement meter support arm 3 rearwardly. A rotational pressing member 8 that is rotated so as to move is engaged, and a segment engaging member 9 that is engaged with the front surface of a segment disposed in the shield tail skin plate 4 is attached to the measurement movable member 5. Tail clearance displacement measuring device for shield tunneling machines connected directly or indirectly.