JPH0342119Y2 - - Google Patents
Info
- Publication number
- JPH0342119Y2 JPH0342119Y2 JP13418986U JP13418986U JPH0342119Y2 JP H0342119 Y2 JPH0342119 Y2 JP H0342119Y2 JP 13418986 U JP13418986 U JP 13418986U JP 13418986 U JP13418986 U JP 13418986U JP H0342119 Y2 JPH0342119 Y2 JP H0342119Y2
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- work box
- pipe pile
- underwater steel
- vertically divided
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、水中鋼管杭の杭頭部、飛沫帯及び干
満帯に腐蝕が発生している場合に、干満帯付近の
杭部分の外周に装着して排水を行い、干満帯以上
の各部分をドライにして調査、補修、検査、防食
等の作業を行う水中鋼管杭用上部開放型作業函に
関するものである。[Detailed description of the invention] (Field of industrial application) This invention is designed to prevent corrosion from occurring in the pile head, splash zone, and tidal zone of an underwater steel pipe pile. This relates to an open-top work box for underwater steel pipe piles that can be installed to drain water and dry parts above the tidal zone for investigation, repair, inspection, corrosion protection, and other work.
（従来技術）
海水などで著しい腐食を宿命づけられている水
中鋼管杭は、放置しておくと、桟橋本来の機能を
低下させ、更には使用不能となる事態も予想され
るため、その保守、修繕が急務となつている。(Prior art) Submerged steel pipe piles are destined to undergo severe corrosion due to seawater, etc. If left untreated, the original function of the pier may deteriorate, and even become unusable. Repairs are urgently needed.
これらの作業を行うため、従来は第４図に示す
ように有底円筒を二分割した形状の半体１ａ，１
ｂをヒンジ２とフランジ３とで結合するとともに
外周面に円柱状のフロート４，４…を取付けた上
部開放型の作業函１を使用し、これを水中鋼管杭
５に所要の吃水にして取付け、内部を排水して水
中鋼管杭５の干満帯以上の部分をドライにし、そ
の作業函１内で水中鋼管杭５の防錆処理作業や、
保守、修繕作業を行つていた（実公昭46−4190
号）。 In order to perform these operations, conventionally, a cylinder with a bottom is divided into two halves 1a, 1 as shown in FIG.
b is connected with a hinge 2 and a flange 3, and an open-top work box 1 with cylindrical floats 4, 4... attached to the outer circumferential surface is used, and this is attached to an underwater steel pipe pile 5 with the required water drop. , Drain the inside to dry the part of the underwater steel pipe pile 5 above the tidal zone, and carry out anti-corrosion treatment of the underwater steel pipe pile 5 in the work box 1.
Performed maintenance and repair work (Jetko Kouko 46-4190
issue).
（考案が解決しようとする問題点）
このような従来の作業函は半体１ａ，１ｂのそ
れぞれの外面に単にフロートを取付けて水上に浮
上させて水中鋼管杭５に対する取付作業を行つて
いるものであるため、その取付作業時の水中鋼管
杭５に対する高さは、潮位によつて変化すること
となり、所望の高さに取付けるには、必要な潮位
になるまで待機するか、荷重をかけて沈めるかジ
ヤツキやクレーンで引き上げる等の作業が必要と
なり、作業性に問題があつた。(Problems to be solved by the invention) In such a conventional work box, floats are simply attached to the outer surfaces of each of the halves 1a and 1b, and the work of attaching the boxes to the underwater steel pipe piles 5 is carried out by floating them above the water. Therefore, the height relative to the underwater steel pipe pile 5 during installation work will change depending on the tide level, and in order to install it at the desired height, either wait until the required tide level is reached, or apply a load. It required work such as sinking it or lifting it up using jacks or a crane, which caused problems with workability.
また作業函の外周が一重であるため、作業中に
漂流物等が衝突した場合に直ちに侵水することと
なり、作業を行う場合に危険度の高いものであつ
た。 In addition, since the outer circumference of the work box was made of a single layer, if a floating object or the like collided with the work box during work, water would immediately enter the work box, making the work highly dangerous.
本考案はこのような従来の問題にかんがみ、設
置に際しての作業性が良く、しかも設置後の安全
性の高い水中鋼管杭用作業函の提供を目的とす
る。 In view of these conventional problems, the present invention aims to provide a work box for underwater steel pipe piles that is easy to work with during installation and is highly safe after installation.
（問題点を解決するための手段）
上述の如き目的を達成するための本考案の要旨
とする構成は有底筒形状を縦割した形状の複数の
縦割ユニツトを組み合わせて有底筒状に組み立て
られ、底板の中央に水中鋼管杭を水密性に保たせ
て挿通する鋼管杭挿通孔を有し、かつ内部に前記
鋼管杭挿通孔に挿通された水中鋼管杭を挟持する
杭保持手段を備えてなる水中鋼管杭用作業函にお
いて、前記縦割ユニツトの周壁部分を二重壁とな
し、その二重壁間をフロートタンクとなすととも
に、該フロートタンク内に注排水自在となし、か
つ前記縦割ユニツト間の一部をヒンジ結合させ、
該ヒンジ結合部分を中心にして開閉自在にしたこ
とを特徴としてなる水中鋼管杭用作業函に存す
る。(Means for solving the problem) The gist of the present invention to achieve the above-mentioned purpose is to combine a plurality of vertically divided units each having a bottomed cylindrical shape vertically divided into a bottomed cylindrical shape. It is assembled, has a steel pipe pile insertion hole in the center of the bottom plate through which the underwater steel pipe pile is inserted while keeping it watertight, and is provided with pile holding means for holding the underwater steel pipe pile inserted into the steel pipe pile insertion hole inside. In the working box for underwater steel pipe piles, the peripheral wall portion of the vertically divided unit is made into a double wall, and a float tank is formed between the double walls, and water can be freely poured into the float tank, and the vertical A part of the split units is hinged,
The work box for underwater steel pipe piles is characterized in that it can be opened and closed freely around the hinge joint part.
（作用）
この水中鋼管杭作業函の使用に際しては、フロ
ートタンク内を注排水して浮力を調整し作業函全
体を所望の高さとなすとともに、ヒンジを中心に
して両縦割ユニツトを開き、新設もしくは既設の
鋼管杭の外側を覆うように移動させた後、両縦割
ユニツトを閉じ、作業函の中心部に鋼管杭を挿通
させた状態でこれを挟持させて固定する。その
後、作業函内の水を排出してドライな作業空間を
形成し、その内部で水中鋼管杭の防錆、防食、補
強等の作業を行う。(Function) When using this submersible steel pipe pile work box, the inside of the float tank is filled with water to adjust the buoyancy and the entire work box is at the desired height.The double vertically divided unit is opened around the hinge, and the new Alternatively, after moving it so as to cover the outside of the existing steel pipe pile, close both vertically divided units, insert the steel pipe pile into the center of the work box, and clamp and fix it. After that, the water in the work box is drained to create a dry work space, where work such as rust prevention, corrosion prevention, and reinforcement of the underwater steel pipe piles is carried out.
（実施例）
次に、本考案の実施例を図面について説明す
る。(Example) Next, an example of the present invention will be described with reference to the drawings.
第１図に示すようにこの作業函は有底円筒状を
した函体１０を有している。この函体１０はこれ
を縦割に二分割した一対の縦割ユニツト１１，１
１を、その一方側縁部にてヒンジ１２により互い
に開閉自在に連結されている。両縦割ユニツト１
１，１１間には図には示してないが、止水パツキ
ンを介し、水密性を保持して互いに接合され、ヒ
ンジ１２の反対側縁部をボルト締め等の固定手段
によつて開放可能に締結することにより有底円筒
状の形態が維持されるようにしている。 As shown in FIG. 1, this work box has a cylindrical case 10 with a bottom. This box 10 is divided into two vertically divided units 11, 1.
1 are connected to each other by a hinge 12 at one side edge so as to be openable and closable. Double vertical division unit 1
Although not shown in the figure, between 1 and 11, they are connected to each other with watertightness through a water-stop gasket, and the opposite edge of the hinge 12 can be opened by fixing means such as bolting. By tightening, the bottomed cylindrical form is maintained.
各縦割ユニツト１１，１１はその外周壁１１ａ
の内側に内周壁１１ｂを同心配置に設けて二重壁
構造となし、両壁１１ａ，１１ｂ間をフロートタ
ンク１３としている。そしてこの各フロートタン
ク１３内にはそれぞれ水中ポンプ１４が設置さ
れ、その各水中ポンプ１４にポンプ配管１５の下
端を接続し、水中ポンプ１４を作動させ、このポ
ンプ配管１５を通してフロートタンク１３内を注
排水するようにしている。 Each vertically divided unit 11, 11 has its outer peripheral wall 11a.
An inner circumferential wall 11b is provided concentrically on the inside of the tank to form a double wall structure, and a float tank 13 is formed between both walls 11a and 11b. A submersible pump 14 is installed in each of the float tanks 13, and the lower end of the pump piping 15 is connected to each submersible pump 14, and the submersible pump 14 is operated to pump the inside of the float tank 13 through the pump piping 15. I'm trying to drain it.
内周壁１１ｂと底壁１１ｃとで形成された上部
開放型の作業室１６の底部には第２図に示される
ように放射状に油圧シリンダー１７を設け、これ
ら油圧シリンダー１７の内向きの先端に設けたパ
ツキン１８付のチヤツク部１９で水中鋼管杭５を
締付けて、この作業函１０の水中鋼管杭５に対す
る取付けを行わせるようにしている。 As shown in FIG. 2, hydraulic cylinders 17 are provided radially at the bottom of the top-open working chamber 16 formed by the inner circumferential wall 11b and the bottom wall 11c, and the hydraulic cylinders 17 are provided at the inward ends. The work box 10 is attached to the underwater steel pipe pile 5 by tightening the underwater steel pipe pile 5 with a chuck part 19 equipped with a packing 18.
このように構成される水中鋼管杭用作業函の使
用に際しては、作業函を取付けようとする水中鋼
管杭５の近くで各水中ポンプ１４を作動させてフ
ロートタンク１３を注排水して浮力の調整をな
し、所望の高さに浮上させる。この状態で縦割ユ
ニツト１１，１１をヒンジ１２を中心にして開い
て移動させ、その両縦割ユニツト１１，１１間に
水中鋼管杭５を挿通させる。その後両縦割ユニツ
ト１１，１１を閉じ、各油圧シリンダー１７を動
作させてチヤツク部１９により水中鋼管杭５を締
め付け、該杭５に対して作業函１０を固定する。
自る後、作業函１０内の水を排出し、ドライな作
業室１６を形成する。 When using the work box for underwater steel pipe piles constructed in this way, each submersible pump 14 is operated near the underwater steel pipe pile 5 to which the work box is to be attached, and the float tank 13 is filled with water to adjust the buoyancy. and levitate to the desired height. In this state, the vertically divided units 11, 11 are opened and moved around the hinge 12, and the underwater steel pipe pile 5 is inserted between both vertically divided units 11, 11. Thereafter, both vertically divided units 11, 11 are closed, each hydraulic cylinder 17 is operated to tighten the underwater steel pipe pile 5 by the chuck portion 19, and the work box 10 is fixed to the pile 5.
After drying, the water in the work box 10 is drained to form a dry work chamber 16.
なお、作業函１０の両縦割ユニツト１１，１１
の開閉動作を第３図に示すようにヒンジ１２の背
部位置で両縦割ユニツト１１，１１間に油圧シリ
ンダー２０を介在させ、これを伸縮させることに
よつて行わせるようにしてもよいものである。 In addition, both vertically divided units 11, 11 of the work box 10
As shown in FIG. 3, a hydraulic cylinder 20 may be interposed between the two vertically divided units 11, 11 at the back of the hinge 12, and the opening/closing operation may be performed by expanding and contracting the hydraulic cylinder 20. be.
（考案の効果）
本考案の水中鋼管杭用作業函は上述の如く構成
され、半割状に縦割ユニツトの周壁を二重にして
フロートタンクとし、その内部に注排水自在にし
て浮力を調節可能にしたことにより、水中鋼管杭
に対する装着作業時の高さ調節が容易となり、作
業性が向上されることとなると同時に内部で作業
中の作業函に船舶が衝突しても直ちに作業室内に
侵水することが少くなり安全性が向上されたもの
である。(Effect of the invention) The work box for underwater steel pipe piles of the present invention is constructed as described above, and the peripheral wall of the vertically divided unit is doubled to form a float tank, and water can be freely poured into the tank to adjust the buoyancy. This makes it easier to adjust the height when attaching to underwater steel pipe piles, improving work efficiency. At the same time, even if a ship collides with a work box being worked on inside, it will not immediately invade the work room. This reduces the amount of water spilled and improves safety.
第１図は本考案の実施の一例の斜視図、第２図
は同チヤツク部の平面図、第３図は他の実施例の
斜視図、第４図は従来例の斜視図である。
５……水中鋼管杭、１０……函体、１１……縦
割ユニツト、１１ａ……外周壁、１１ｂ……内周
壁、１２……ヒンジ、１３……フロートタンク、
１４……水中ポンプ、１５……ポンプ配管。
FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a plan view of the chuck portion, FIG. 3 is a perspective view of another embodiment, and FIG. 4 is a perspective view of a conventional example. 5... Underwater steel pipe pile, 10... Box, 11... Vertical division unit, 11a... Outer peripheral wall, 11b... Inner peripheral wall, 12... Hinge, 13... Float tank,
14... Submersible pump, 15... Pump piping.
Claims (1)
トを組み合わせて有底筒状に組み立てられ、底板
の中央に水中鋼管杭を水密性に保たせて挿通する
鋼管杭挿通孔を有し、かつ内部に前記鋼管杭挿通
孔に挿通された水中鋼管杭を挟持する杭保持手段
を備えてなる水中鋼管杭用作業函において、前記
縦割ユニツトの周壁部分を二重壁となし、その二
重壁間をフロートタンクとなすとともに、該フロ
ートタンク内に注排水自在となし、かつ前記縦割
ユニツト間の一部をヒンジ結合させ、該ヒンジ結
合部分を中心にして開閉自在にしたことを特徴と
してなる水中鋼管杭用作業函。 It is assembled into a cylinder with a bottom by combining a plurality of vertically divided units in the shape of a vertical cylinder with a bottom, and has a steel pipe pile insertion hole in the center of the bottom plate through which an underwater steel pipe pile is inserted while maintaining watertightness. In the work box for underwater steel pipe piles, the work box for underwater steel pipe piles is provided with a pile holding means for holding the underwater steel pipe pile inserted into the steel pipe pile insertion hole, wherein the peripheral wall portion of the vertically divided unit is a double wall, and the double wall is A float tank is formed between the walls, water can be freely poured into the float tank, and a part between the vertically divided units is hinged, and the float can be opened and closed around the hinge joint. A work box for underwater steel pipe piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13418986U JPH0342119Y2 (en) | 1986-09-03 | 1986-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13418986U JPH0342119Y2 (en) | 1986-09-03 | 1986-09-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62103854U JPS62103854U (en) | 1987-07-02 |
| JPH0342119Y2 true JPH0342119Y2 (en) | 1991-09-04 |
Family
ID=31035200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13418986U Expired JPH0342119Y2 (en) | 1986-09-03 | 1986-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342119Y2 (en) |
-
1986
- 1986-09-03 JP JP13418986U patent/JPH0342119Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62103854U (en) | 1987-07-02 |
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