JP2884261B2 - Inspection device for inspection surface in liquid - Google Patents
Inspection device for inspection surface in liquidInfo
- Publication number
- JP2884261B2 JP2884261B2 JP28725490A JP28725490A JP2884261B2 JP 2884261 B2 JP2884261 B2 JP 2884261B2 JP 28725490 A JP28725490 A JP 28725490A JP 28725490 A JP28725490 A JP 28725490A JP 2884261 B2 JP2884261 B2 JP 2884261B2
- Authority
- JP
- Japan
- Prior art keywords
- inspection
- inspection surface
- video camera
- waterproof
- transparent bag
- 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.)
- Expired - Lifetime
Links
- 238000007689 inspection Methods 0.000 title claims description 68
- 239000007788 liquid Substances 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Closed-Circuit Television Systems (AREA)
Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は安定液や泥水等の不透明な液中に位置する検
査面の検査装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an inspection device for an inspection surface located in an opaque liquid such as a stabilizing liquid or muddy water.
〈従来の技術〉 従来、安定液や泥水等の不透明な液中に位置する構造
物等の検査面を検査する方法としては、超音波溝壁測定
器等が用いられていた。<Prior Art> Conventionally, as a method of inspecting an inspection surface of a structure or the like located in an opaque liquid such as a stabilizing liquid or muddy water, an ultrasonic groove wall measuring instrument or the like has been used.
〈本発明が解決しようとする問題点〉 前記した従来の超音波溝壁測定器は、検査面に薄い泥
膜等が形成された場合には、正確な測定が困難となる。<Problems to be Solved by the Present Invention> In the conventional ultrasonic groove wall measuring device described above, accurate measurement becomes difficult when a thin mud film or the like is formed on the inspection surface.
また、コーナー部の測定が非常に難しく、正確な測定
が困難であった。Moreover, it was very difficult to measure the corners, and it was difficult to measure accurately.
〈本発明の目的〉 本発明は上記のような問題点を解決するためになされ
たもので、高精度な検査結果を得ることができる液中検
査面の検査装置を提供することを目的とする。<Object of the present invention> The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide an inspection device for a submerged inspection surface that can obtain a highly accurate inspection result. .
〈問題点を解決するための手段〉 即ち本発明は、安定液や泥水等の不透明な液中に位置
する検査面の検査装置において、検査面を撮影する防水
ビデオカメラと、撮影する検査面に対向する位置に防水
ビデオカメラをガイドするガイド部材と、検査面と防水
ビデオカメラとの間に配置され、防水ビデオカメラの移
動に追従可能で内部に透明な液体を充填した透明な袋体
とを備え、ガイド部材を支点にして防水ビデオカメラと
透明な袋体とを検査面に押しつけ、検査面と透明な袋体
間にある不透明な液を押し出し、透明な袋体を検査面に
密着させ、透明な袋体が密着した検査面を防水ビデオカ
メラで撮影し、検査面の検査を行うことを特徴とする、
液中検査面の検査装置である。<Means for Solving the Problems> That is, the present invention relates to an inspection device for an inspection surface located in an opaque liquid such as a stabilizing solution or muddy water, and a waterproof video camera for imaging the inspection surface and an inspection surface for imaging. A guide member that guides the waterproof video camera at an opposing position, and a transparent bag body that is disposed between the inspection surface and the waterproof video camera and that can follow the movement of the waterproof video camera and is filled with a transparent liquid inside. With the guide member as a fulcrum, the waterproof video camera and the transparent bag are pressed against the inspection surface, the opaque liquid between the inspection surface and the transparent bag is pushed out, and the transparent bag is brought into close contact with the inspection surface, It is characterized by taking a picture of the inspection surface with the transparent bag in close contact with a waterproof video camera and inspecting the inspection surface.
This is an inspection device for a submerged inspection surface.
〈本発明の説明〉 以下、本発明を詳細に説明する。<Description of the Present Invention> Hereinafter, the present invention will be described in detail.
〈イ〉検査対象物 本装置は、安定液や泥水等の不透明な液中に位置する
構造物表面等の種々の検査面の検査装置である。<A> Inspection Object This apparatus is an inspection apparatus for various inspection surfaces such as a surface of a structure located in an opaque liquid such as a stable liquid or muddy water.
検査対象物の一例として、第５図に示すように、地山
ａに掘削した掘削溝ｂ内に立て込んだ仕切プレートｃの
検査面ｄの検査方法について説明する。As an example of the inspection object, as shown in FIG. 5, a method of inspecting the inspection surface d of the partition plate c set in the excavation groove b excavated in the ground a will be described.
仕切りプレートｃは、先行エレメントｅと後行エレメ
ントｆとの境界に立て込んだ板体であり、先行エレメン
トｅにコンクリートを打設し、後行エレメントｆに安定
液を充填した後に、検査面ｄの凹凸や亀裂等の有無の検
査が行われる。The partition plate c is a plate standing upright at the boundary between the preceding element e and the succeeding element f. After the leading element e is cast with concrete and the succeeding element f is filled with the stabilizing liquid, the inspection surface d An inspection is performed for the presence or absence of irregularities or cracks.
以下、検査に用いられる検査装置について説明する。 Hereinafter, an inspection apparatus used for the inspection will be described.
〈ロ〉昇降ガイド 昇降ガイド１は、第１、２図に示すようなＨ鋼等を用
い、仕切プレートｃの検査面ｄに所定の間隔をおいて上
下方向に取り付ける。<B> Elevating Guide The elevating guide 1 is made of H steel or the like as shown in FIGS.
〈ハ〉防護ボックス 防護ボックス２は、鋼製あるいは合成樹脂製等の箱体
であり、左右両側面からアーム21を突設し、これらのア
ーム21の先端に前後移動ローラ22を取り付ける。<C> Protective Box The protective box 2 is a box made of steel or synthetic resin. Arms 21 are protruded from both left and right side surfaces.
防護ボックス２の検査面ｄ側の面は開放し、後述の透
明袋４を取り付けて、密閉構造とする。The surface on the inspection surface d side of the protection box 2 is opened, and a transparent bag 4 described later is attached to form a sealed structure.
また、防護ボックス２には、地上と連絡する給水管23
を取り付ける。The protective box 2 also has a water supply pipe 23 that communicates with the ground.
Attach.
さらに、防護ボックス２の上部には吊りワイヤ24を連
結し、地上のウインチ等によって昇降自在に構成する。Further, a suspension wire 24 is connected to the upper part of the protection box 2 so as to be movable up and down by a winch on the ground.
〈ニ〉ビデオカメラ ビデオカメラ３は、仕切プレートｃ側に向けて、防護
ボックス２内に設置し、上下左右に首振り可能に構成さ
れている。<D> Video Camera The video camera 3 is installed in the protective box 2 so as to face the partition plate c, and is configured to be able to swing up, down, left and right.
このビデオカメラ３は、防水ケース31内に収納して防
水構造とする。The video camera 3 is housed in a waterproof case 31 to have a waterproof structure.
また、防護ボックス２内には、水中ライト32を適宜設
置する。In the protective box 2, an underwater light 32 is appropriately installed.
〈ホ〉透明袋 透明袋４は、耐水性の透明な袋体を用い、防護ボック
ス２の検査面ｄ側の開放部に取り付け、防護ボックスを
密閉する。<E> Transparent bag The transparent bag 4 is a water-resistant transparent bag, which is attached to the opening on the inspection surface d side of the protection box 2 to seal the protection box.
この透明袋４は、検査面ｄの特にコーナー部等の形状
に良く追従し、密着できるように、ビニール、ポリエチ
レン、合成樹脂等の柔軟性部材によって製造する。The transparent bag 4 is made of a flexible material such as vinyl, polyethylene, or synthetic resin so as to follow and closely adhere to the shape of the inspection surface d, particularly the corners.
そして、給水管23を介して、透明袋４及び防水ボック
ス２内に透明度の高い水６を充填する。Then, the transparent bag 4 and the waterproof box 2 are filled with highly transparent water 6 through the water supply pipe 23.
〈ヘ〉前後移動ガイド 防護ボックス２のアーム21の先端の前後移動ローラ22
は、検査面ｄと直角方向に配置した前後移動ガイド５に
前後動自在に取り付ける。<F> Forward and backward movement guide Forward and backward movement roller 22 at the tip of arm 21 of protective box 2
Is attached to a front-rear movement guide 5 arranged in a direction perpendicular to the inspection surface d so as to be movable back and forth.
また、前後移動ガイド５は、昇降ローラ51を介して、
昇降ガイド１に昇降自在に取り付ける。In addition, the front-rear movement guide 5 is moved
It is attached to the elevating guide 1 so as to be able to move up and down.
防護ボックス２の昇降及び前後動は、図示しない電気
あるいは油圧モータ等により、前後移動ローラ22及び昇
降ローラ51を駆動させることによって行う。The protection box 2 is moved up and down and moved back and forth by driving the back and forth moving roller 22 and the up and down roller 51 with an electric or hydraulic motor (not shown).
〈本発明の作動〉 次に、検査方法について説明する。<Operation of the Present Invention> Next, an inspection method will be described.
〈イ〉装置の移動 上記のように組み立てた後、ビデオカメラ３を所定の
検査箇所まで移動させる。<A> Movement of device After assembling as described above, the video camera 3 is moved to a predetermined inspection location.
移動は、地上のウインチ等によって、吊りワイヤ24の
巻き取り、引き出し作業を行い、防護ボックス２を昇降
させることによって行う。The movement is performed by winding up and pulling out the suspension wire 24 with a ground winch or the like, and moving the protection box 2 up and down.
検査装置を大幅に移動させる場合は、前後移動ローラ
22を駆動させ、防護ボークス２を、第３図に示すように
検査面ｄから離し、検査面ｄと透明袋４の接触面積を少
なくした状態で行うと移動させやすい。When moving the inspection device significantly,
When the protective box 2 is moved away from the inspection surface d as shown in FIG. 3 and the contact area between the inspection surface d and the transparent bag 4 is reduced as shown in FIG.
〈ロ〉検査面の検査 検査箇所まで移動させた後、前後移動ローラ22を再び
駆動させ、防護ボックス２を第４図に示すように検査面
ｄに接近させ、検査面ｄと透明袋４との接触面積を大き
くする。<B> Inspection of inspection surface After moving to the inspection location, the front and rear moving roller 22 is driven again to bring the protective box 2 close to the inspection surface d as shown in FIG. To increase the contact area.
これによって、検査面ｄと透明袋４とは密着し、両者
の間の安定液は外に押し出される。As a result, the inspection surface d and the transparent bag 4 come into close contact with each other, and the stabilizing liquid between the two is pushed out.
そのため、検査面ｄとビデオカメラ３との間には、透
明袋４と透明度の高い水６のみが存在することになる。Therefore, only the transparent bag 4 and the highly transparent water 6 exist between the inspection surface d and the video camera 3.
従って、ビデオカメラ３によって、検査面ｄの撮影を
鮮明に行えるため、目視による確認、判断ができ、高精
度な検査を行うことができる。Therefore, since the video camera 3 can clearly shoot the inspection surface d, it can be visually confirmed and judged, and a highly accurate inspection can be performed.
〈本発明の効果〉 本発明は以上説明したようになるので、次のような効
果を期待することができる。<Effects of the Present Invention> Since the present invention has been described above, the following effects can be expected.
〈イ〉透明な水を介して、ビデオカメラによって検査面
を鮮明に撮影することができる。<B> The inspection surface can be clearly photographed by the video camera through the transparent water.
そのため、従来の超音波測定器等のデータのみの判断
と異なり、目視による確認、判断ができ、高精度な検査
を行うことができる。Therefore, unlike the conventional determination based on only data from an ultrasonic measuring instrument or the like, visual confirmation and determination can be performed, and highly accurate inspection can be performed.
〈ロ〉検査面に薄い泥膜等が形成されている場合でも、
目視による検査では何ら支障がなく、確実に検査が行え
る。<B> Even if a thin mud film is formed on the inspection surface,
The visual inspection does not cause any problem, and the inspection can be performed reliably.
〈ハ〉従来は検査がほとんど不可能であったコーナー部
等も、追従性の良い透明袋をコーナー部等の検査面に密
着させることができるため、ビデオカメラで撮影するこ
とができ、検査の死角を無くすことができる。<C> Even at corners where inspection was almost impossible in the past, a transparent bag with good tracing properties can be brought into close contact with the inspection surface such as corners, so it can be photographed with a video camera, and inspection can be performed. Blind spots can be eliminated.
第１図：装置全体の平面図 第２図：装置全体の正面図 第３図：移動状態を示す説明図 第４図：検査状態を示す説明図 第５図：検査対象物の説明図 Fig. 1: Plan view of the whole device Fig. 2: Front view of the whole device Fig. 3: Explanatory diagram showing the moving state Fig. 4: Explanatory diagram showing the inspection state Fig. 5: Explanatory diagram of the inspection object
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) E02D 5/18 - 5/20 E02D 5/34 - 5/46 E02D 3/12 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) E02D 5/18-5/20 E02D 5/34-5/46 E02D 3/12
Claims (1)
検査面の検査装置において、 検査面を撮影する防水ビデオカメラと、 撮影する検査面に対向する位置に防水ビデオカメラをガ
イドするガイド部材と、 検査面と防水ビデオカメラとの間に配置され、防水ビデ
オカメラの移動に追従可能で内部に透明な液体を充填し
た透明な袋体とを備え、 ガイド部材を支点にして防水ビデオカメラと透明な袋体
とを検査面に押しつけ、検査面と透明な袋体間にある不
透明な液を押し出し、透明な袋体を検査面に密着させ、
透明な袋体が密着した検査面を防水ビデオカメラで撮影
し、検査面の検査を行うことを特徴とする、 液中検査面の検査装置。An inspection apparatus for an inspection surface located in an opaque liquid such as a stabilizing solution or muddy water, wherein a waterproof video camera for photographing the inspection surface and a waterproof video camera are guided to a position facing the inspection surface for imaging. A waterproof bag that is disposed between the inspection surface and the waterproof video camera and that can follow the movement of the waterproof video camera and is filled with a transparent liquid inside; Press the camera and the transparent bag against the inspection surface, push out the opaque liquid between the inspection surface and the transparent bag, and bring the transparent bag into close contact with the inspection surface.
A submerged inspection surface inspection device, characterized in that the inspection surface on which the transparent bag is in close contact is photographed with a waterproof video camera and the inspection surface is inspected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28725490A JP2884261B2 (en) | 1990-10-26 | 1990-10-26 | Inspection device for inspection surface in liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28725490A JP2884261B2 (en) | 1990-10-26 | 1990-10-26 | Inspection device for inspection surface in liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04161611A JPH04161611A (en) | 1992-06-05 |
| JP2884261B2 true JP2884261B2 (en) | 1999-04-19 |
Family
ID=17715021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28725490A Expired - Lifetime JP2884261B2 (en) | 1990-10-26 | 1990-10-26 | Inspection device for inspection surface in liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2884261B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4319458B2 (en) * | 2003-04-28 | 2009-08-26 | 中部電力株式会社 | Auxiliary device for camera movement |
-
1990
- 1990-10-26 JP JP28725490A patent/JP2884261B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04161611A (en) | 1992-06-05 |
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