JPH0230895A - Method and apparatus for measuring tail clearance in shield machine - Google Patents
Method and apparatus for measuring tail clearance in shield machineInfo
- Publication number
- JPH0230895A JPH0230895A JP63178201A JP17820188A JPH0230895A JP H0230895 A JPH0230895 A JP H0230895A JP 63178201 A JP63178201 A JP 63178201A JP 17820188 A JP17820188 A JP 17820188A JP H0230895 A JPH0230895 A JP H0230895A
- Authority
- JP
- Japan
- Prior art keywords
- shield machine
- tail
- clearance
- displacement
- tail clearance
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、シールドマシンのテールシールとセグメント
間のクリアランスを測定する測定技術に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a measurement technique for measuring the clearance between a tail seal and a segment of a shield machine.
〈従来の技術〉
一般にシールド工法においては、シールドマシンの制御
及びセグメントの線形管理のうえから、シールドマシン
のテールシールとセグメント間の間隙（以下「テールク
リアランス」という）を正確に把握することが重要であ
る。<Conventional technology> In general, in shield construction methods, it is important to accurately understand the gap between the tail seal of the shield machine and the segments (hereinafter referred to as "tail clearance") in addition to controlling the shield machine and managing the linearity of the segments. It is.
現在、テールクリアランスはスケールを用いて作業員が
直接測定している。Currently, tail clearance is measured directly by workers using a scale.
〈本発明が解決しようとする問題点〉
前記した従来のテールクリアランスの測定技術には次の
ような問題がある。<Problems to be Solved by the Present Invention> The conventional tail clearance measurement technique described above has the following problems.
〈イ〉測定作業に、多（の手間と時間がかかる。<A> Measurement work takes a lot of effort and time.
〈口〉大断面トンネルの上方のテールクリアランスを測
定する場合は、危険な作業となる。<Mouth> Measuring the upper tail clearance of a large cross-section tunnel is a dangerous task.
〈ハ〉最近のコンピュータを用いた掘削管理に対応でき
ない。〈C〉Unable to cope with recent excavation management using computers.
〈本発明の目的〉
本発明は以上の点に鑑みて成されたもので、測定作業の
省力化と測定作業の安全性の向上が図れ、そのうえ、コ
ンピュータの掘削管理に対応できる、シールドマシンに
おけるテールクリアランスの測定技術の提供を目的とす
る。<Objective of the present invention> The present invention has been made in view of the above points, and provides a shield machine that can save labor in measurement work and improve the safety of measurement work, and is also compatible with computer-based excavation management. The purpose is to provide a technology for measuring tail clearance.
〈本発明の構成〉
以下、図面を参照しながら本発明の一実施例について説
明する。<Configuration of the Present Invention> An embodiment of the present invention will be described below with reference to the drawings.
〈イ〉測定原理
本発明は、シールドマシンのテールシールの内面に配置
した複数の変位計により、テールクリアランスを電気信
号として検出するものである。<A> Measurement Principle The present invention detects tail clearance as an electrical signal using a plurality of displacement meters arranged on the inner surface of the tail seal of a shield machine.
以下、テールクリアランスを測定する変位測定装置につ
いて説明する。A displacement measuring device for measuring tail clearance will be described below.
〈口〉変位測定装置
第１．２図に変位測定装置を装備したシールドマシン１
の一例を示す。<mouth> Displacement measuring device Figure 1.2 Shield machine 1 equipped with a displacement measuring device
An example is shown below.
２はシールドマシン１のテールシールであり、その内面
の円周方向に複数の変位計３が設置しである。2 is a tail seal of the shield machine 1, and a plurality of displacement meters 3 are installed in the circumferential direction on the inner surface of the tail seal.
シールドマシン１の変位方向と、変位量を把握するため
には、変位計３を少なくとも上下左右方向に４組を設置
する必要がある。In order to grasp the displacement direction and displacement amount of the shield machine 1, it is necessary to install at least four sets of displacement meters 3 in the vertical and horizontal directions.
尚、本実施例では、変位計３をトンネル方向に沿った前
後二列に配備する場合について説明するが、変位計３を
一列だけ配備しても良い。In this embodiment, a case will be described in which the displacement meters 3 are arranged in two rows in the front and rear along the tunnel direction, but the displacement meters 3 may be arranged in only one row.
第３図にダイヤルゲージ形の変位計３の一例を説明する
。An example of a dial gauge type displacement meter 3 will be explained in FIG.
この変位計３は、ダイヤルゲージ本体３１と、テールク
リアランスの変化に追随してシールドマシン１の軸心へ
向けて出入り自在の測定子３２とからなり、測定子３２
の機械的な直線運動量を電気信号に変換して検出できる
構造を有している。This displacement meter 3 consists of a dial gauge main body 31 and a measuring element 32 that can freely move in and out toward the axis of the shield machine 1 following changes in tail clearance.
It has a structure that can convert the mechanical linear momentum of the sensor into an electrical signal and detect it.
又、各変位計３には、防護用のゴム製のブーツ３３が被
覆しである。Further, each displacement meter 3 is covered with a protective rubber boot 33.
従って、測定子３２はブーツ３３を介してセグメント４
の外面と当接することになる。Therefore, the probe 32 passes through the boot 33 to the segment 4.
It will come into contact with the outer surface of.
〈ハ〉検出データの処理方法
各変位計３からのびるリード線を、シールドマシン１内
に配置したコンバータ５へ入力できるよう配線しである
。<C> Method of processing detected data The lead wires extending from each displacement meter 3 are wired so that they can be input to the converter 5 disposed within the shield machine 1.
そして、コンバータ５にモニター６を接続して、各変位
計３の検出データを図表化して表示できるよう構成しで
あると共に、コンバータ５からこれら各変位計３の検出
データを外部の掘削管理用コンピュータへ転送できるよ
うに構成しである。A monitor 6 is connected to the converter 5 so that the detected data of each displacement meter 3 can be displayed in a graph form, and the detected data of each displacement meter 3 is transmitted from the converter 5 to an external excavation management computer. It is configured so that it can be transferred to.
テールシール２内に配備した各変位計３群が、各測定点
におけるテールクリアランスを電気的に検出する。Three groups of displacement meters arranged in the tail seal 2 electrically detect the tail clearance at each measurement point.
各変位計３から出力される検出データは、リアルタイム
でモニター６に表示され、セグメント４の組み立て位置
を決定する重要なデータとして、或は外部コンピュータ
によるシールドマシン１の掘削を管理する重要な情報と
して、或はセグメント４の真円度を測定するデータとし
て提供される。The detection data output from each displacement meter 3 is displayed on the monitor 6 in real time, and is used as important data for determining the assembly position of the segment 4 or as important information for managing the excavation of the shield machine 1 by an external computer. , or provided as data for measuring the roundness of the segment 4.
〈その他の実施例〉
ダイヤルゲージ形の変位計３の他に、第４図に示すよう
な差動変圧器を内蔵した差動変位計３ａを使用すること
もできる。<Other Embodiments> In addition to the dial gauge type displacement meter 3, a differential displacement meter 3a having a built-in differential transformer as shown in FIG. 4 can also be used.
この変位計３ａの測定子３４は可撓性を有する素材で形
成する。The measuring element 34 of this displacement meter 3a is made of a flexible material.
又、超音波を利用した超音波変位計を用いても良い。Alternatively, an ultrasonic displacement meter using ultrasonic waves may be used.
〈作用〉
〈本発明の効果〉
本発明は以上説明したようになるから次の効果が得られ
る。<Function><Effects of the present invention> Since the present invention is as explained above, the following effects can be obtained.
〈イ〉電気的にテールクリアランスを瞬時に求められる
ので、測定作業の省力化が図れる・〈口〉スケールを用
いた作業員による測定作業が不要となることから、大断
面のトンネルであっても安全に測定値を求めることがで
きる。<B> The tail clearance can be determined electrically instantly, which saves labor in measurement work. <B> Measuring work by workers using a scale is no longer necessary, so it can be used even in tunnels with large cross sections. Measured values can be obtained safely.
〈ハ〉テールクリアランスを電気的に求められるので、
従来不可能とされていたコンピュータの掘削管理に対応
できる
〈二〉変位計をトンネル方向に複数列配備した場合は、
テールクリアランスの測定だけでな（、セグメントに対
するシールドマシンの傾き方向も求められる。<C> Since the tail clearance is determined electrically,
If multiple rows of displacement meters are installed in the direction of the tunnel,
In addition to measuring the tail clearance, the direction of inclination of the shield machine relative to the segment is also determined.
従って、シールドマシンの方向制御に役立てることもで
きる。Therefore, it can also be used to control the direction of the shield machine.
第２図：第１図の■−Ｈの断面図 第３図：変位計の拡大断面図 第４図：他の変位計の拡大断面図Figure 2: Cross-sectional view of ■-H in Figure 1 Figure 3: Enlarged cross-sectional view of displacement meter Figure 4: Enlarged sectional view of another displacement meter
Claims (2)
ト外面間のテールクリアランスを測定する方法であって
、 テールシールの内面の円周方向に沿って、機械的変位量
を電気信号に変換して出力する複数組の変位計を配備し
、 前記各変位計により各測定点におけるテールクリアラン
スの測定値を求める、 シールドマシンにおけるテールクリアランスの測定方法
。(1) A method for measuring the tail clearance between the inner surface of the tail seal of a shield machine and the outer surface of the segment, in which the amount of mechanical displacement is converted into an electrical signal and output along the circumferential direction of the inner surface of the tail seal. A method for measuring tail clearance in a shield machine, comprising: deploying a plurality of sets of displacement meters, and obtaining a measured value of tail clearance at each measurement point using each of the displacement meters.
に沿って、シールドマシンの軸心方向の機械的な直線運
動量を電気信号に変換して検出する複数組の変位計を配
備し、 前記各変位計の測定データを出力できるよう構成した、 シールドマシンにおけるテールクリアランスの測定装置
。(2) A plurality of sets of displacement meters are installed along the circumferential direction of the inner surface of the tail seal of the shield machine, and each of the above-mentioned A tail clearance measurement device for shield machines configured to output measurement data from a displacement meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63178201A JP2645513B2 (en) | 1988-07-19 | 1988-07-19 | Method and apparatus for measuring tail clearance in shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63178201A JP2645513B2 (en) | 1988-07-19 | 1988-07-19 | Method and apparatus for measuring tail clearance in shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0230895A true JPH0230895A (en) | 1990-02-01 |
| JP2645513B2 JP2645513B2 (en) | 1997-08-25 |
Family
ID=16044347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63178201A Expired - Fee Related JP2645513B2 (en) | 1988-07-19 | 1988-07-19 | Method and apparatus for measuring tail clearance in shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2645513B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006281502A (en) * | 2005-03-31 | 2006-10-19 | Dainippon Printing Co Ltd | Sealing device |
| JP2008170391A (en) * | 2007-01-15 | 2008-07-24 | Toyota Motor Corp | Displacement detecting device |
| US8222895B2 (en) | 2007-01-15 | 2012-07-17 | Toyota Jidosha Kabushiki Kaisha | Displacement sensing device |
| CN109443284A (en) * | 2018-11-13 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of shield machine excavation gap measuring apparatus |
| CN110579176A (en) * | 2018-06-11 | 2019-12-17 | 日立造船株式会社 | Shield tail gap measuring device, shield tunneling machine and shield tail gap measuring method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62206195A (en) * | 1986-03-04 | 1987-09-10 | 清水建設株式会社 | Tail-clearance measuring device for shield excavator |
-
1988
- 1988-07-19 JP JP63178201A patent/JP2645513B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62206195A (en) * | 1986-03-04 | 1987-09-10 | 清水建設株式会社 | Tail-clearance measuring device for shield excavator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006281502A (en) * | 2005-03-31 | 2006-10-19 | Dainippon Printing Co Ltd | Sealing device |
| JP4735004B2 (en) * | 2005-03-31 | 2011-07-27 | 大日本印刷株式会社 | Sealing device |
| JP2008170391A (en) * | 2007-01-15 | 2008-07-24 | Toyota Motor Corp | Displacement detecting device |
| JP4729507B2 (en) * | 2007-01-15 | 2011-07-20 | トヨタ自動車株式会社 | Displacement detector |
| US8222895B2 (en) | 2007-01-15 | 2012-07-17 | Toyota Jidosha Kabushiki Kaisha | Displacement sensing device |
| CN110579176A (en) * | 2018-06-11 | 2019-12-17 | 日立造船株式会社 | Shield tail gap measuring device, shield tunneling machine and shield tail gap measuring method |
| CN109443284A (en) * | 2018-11-13 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of shield machine excavation gap measuring apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2645513B2 (en) | 1997-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
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| LAPS | Cancellation because of no payment of annual fees |