JP3759404B2 - Movable water collector - Google Patents

Movable water collector Download PDF

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JP3759404B2
JP3759404B2 JP2000357821A JP2000357821A JP3759404B2 JP 3759404 B2 JP3759404 B2 JP 3759404B2 JP 2000357821 A JP2000357821 A JP 2000357821A JP 2000357821 A JP2000357821 A JP 2000357821A JP 3759404 B2 JP3759404 B2 JP 3759404B2
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water
water collecting
pipe
movable
buoyancy body
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JP2002160796A (en
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俊一 吉元
隆洋 鈴木
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Ebara Corp
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Ebara Corp
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【０００１】
【発明の属する技術分野】
本発明は水処理設備で使用される水槽内に貯留された水の上澄水等の水位上部の水を集めて排水するための可動集水装置に関するものである。
【０００２】
【従来の技術】
図１は従来のこの種の可動集水装置の構成を示す図である。可動集水装置は、図示するように、水処理設備の沈殿水槽等の水槽１００内に設置され、該水槽１００内に貯留された水の水面１０１に浮上する浮力体１０２と、該浮力体１０２に支持された集水部１０３を具備する。該浮力体１０２と集水部１０３の組み立て体は水位の変動、即ち水面１０１の上下動に連動して両側に配置されたガイドパイプ１０４、１０４にガイドされ上下動するようになっている。
【０００３】
集水部１０３は内部が空洞となっており、側部に多数の通水孔１０５が設けられており、上澄水等の水位上部の水が該通水孔１０５を通って内部空間に集められるようになっている。該内部空間に集められた水は出口管１０６、連絡配管１０７、１０８、下部に配置された排水管１０９を通って、水槽１００の外部に排水されるようになっている。連絡配管１０７と連絡配管１０８はその一端がＬ字管からなる可動継手１１０で直列に接続され集水管を構成している。該集水管を構成する連絡配管１０７の他端はＬ字管からなる可動継手１１１で出口管１０６に接続され、連絡配管１０８の他端はＴ字管からなる可動継手１１２で排水管１０９の一端に接続されている。
【０００４】
水面１０１の変動、例えば下動により浮力体１０２と集水部１０３の組立体が下動すると、連絡配管１０７及び連絡配管１０８からなる集水管は可動継手１１０を中心に屈曲し、図１の浮力体受台１１３、１１３に達したときは連絡配管１０７及び連絡配管１０８は二点鎖線で示すように支点である可動継手１１１及び可動継手１１２の位置から一方方向（図では右側）に大きくはみ出すようになっている。
【０００５】
上記従来構成の可動集水装置において、水面１０１の上下動に連動して上下動する浮力体１０２と集水部１０３の組立体の位置により、連絡配管１０７及び連絡配管１０８の可動継手１１１及び可動継手１１２の位置からのはみ出し量が異なるため、可動集水装置全体が持つ回転モーメントが変化する。そのため組立体が下降するに伴い該組立体がガイドパイプを押す力が強くなり、該組立体の動きがスムーズにならず、動かなくなる場合も発生するという問題があった。また、この問題を避けるため浮力体１０２と集水部１０３の組立体の上下動範囲を大きくとれないという問題もあった。
【０００６】
【発明が解決しようとする課題】
本発明は上述の点に鑑みてなされたもので、可動集水装置が具備する浮力体と集水部の組立体の上下方向の位置により可動集水装置全体が持つ回転モーメントの変化が殆どなく、該組立体の上下の動きがスムーズで且つ上下動範囲を大きくとれる可動集水装置を提供することを目的とする。
【０００７】
【課題を解決するための手段】
上記課題を解決するため請求項１に記載の発明は、水槽内の水面に浮上する浮力体と、該浮力体に支持された集水部を具備し、該集水部と浮力体の組立体を上下方向に配置したガイド部材に沿って前記水面の上下動に連動して上下動するように構成すると共に、集水部で集めた水を集水管を介して該集水部の下方に配置した排水管に送水するように構成した可動集水装置において、集水管は回動自在の継手を介し直列に接続された管体で構成され、該集水管の上下端部をそれぞれ回動自在の継手を介して集水部と排水管に接続すると共に、該集水管を集水部の上下動に応じて互いに反対方向にパンタグラフ状に屈曲するように２本配置したことを特徴とする。
【０００８】
上記のように２本の集水管を互いに反対方向にパンタグラフ状に屈曲するように配置したので、一方の集水管の屈曲による回転モーメントの変化は、他方の集水管の回転モーメントの変化により打ち消されることになり、集水部と浮力体の組立体が水面の上下動に連動して上下動しても、可動集水装置全体として回転モーメントが変化することなく、ガイド部材に沿ってスムーズに上下動することになる。従って、１本の集水管を配置した従来構成のように集水管の屈曲により可動集水装置全体の回転モーメントが変動し、ガイド部材を押す力が変動し、組立体のガイド部材に沿ったスムーズな移動が阻害されたり、動かなくなったりすることがない。また、該組立体の上下動する範囲も大きく取ることが可能となる。
【０００９】
請求項２に記載の発明は、水槽内の水面に浮上する浮力体と、該浮力体に支持された集水部を具備し、該集水部と浮力体の組立体を上下方向に配置したガイド部材に沿って水面の上下動に連動して上下動するように構成すると共に、集水部で集めた水を集水管を介して該集水部の下方に配置した排水管に送水するように構成した可動集水装置において、集水管は回動自在の継手を介し直列に接続された管体で構成され、該集水管の上下端部をそれぞれ回動自在の継手を介して集水部と排水管に接続すると共に、該集水管を集水部の上下動に応じて所定の方向に屈曲するよう配置した構成であり、可動集水装置を２台、その集水管が互いに反対方向に屈曲するように配置すると共に、互いの集水部が連動して上下動するように連結したことを特徴とする。
【００１０】
上記のように２台の可動集水装置を集水管が互いに反対方向に屈曲するように配置するので、一方の可動集水装置の集水管の屈曲による回転モーメントの変動は他方の可動集水装置の集水管の屈曲による回転モーメントの変動で打ち消されることになり、集水部と浮力体の組立体が水面の上下動に連動して上下動しても両可動集水装置全体として回転モーメントの変動がなく、上記と同様に、集水部と浮力体の組立体が水面の上下動に連動してガイド部材に沿ってスムーズに上下動することになる。従って、組立体のガイド部材に沿ったスムーズな移動が阻害されたり、動かなくなったりすることがない。また、該組立体の上下動する範囲も大きく取ることが可能となる。
【００１１】
【発明の実施の形態】
以下、本発明の実施の形態例を図面に基づいて説明する。図２及び図３は本発明に係る可動集水装置の構成を示す図で、図２は正面図、図３は図２のＡ−Ａ断面図である。本可動集水装置は図示するように、水処理設備の沈殿水槽等の水槽１０内に設置され、該水槽１０内に貯留された水の水面１１に浮上する浮力体１２と、該浮力体１２に支持された集水部１３を具備する。該浮力体１２と集水部１３の組立体は水面１１の上下動に連動して両側に配置されたガイドパイプ１４、１４にガイドされ上下動するようになっている。ガイドパイプ１４は水槽１０の側壁又は支柱等にブラケット１５、１６を介して上下方向に配置されている。
【００１２】
集水部１３は内部が空洞となっており、側部に多数の通水孔１７が設けられており、上澄水等の水位上部の水が該通水孔１７を通って集水部１３の内部空間１３ａに集められるようになっている。該内部空間１３ａに集められた水は出口管１８から２本の集水管１９、２０を通って水槽１０の底部に配置された排水管２１を通って、水槽１０の外部に排水されるようになっている。集水管１９、２０はそれぞれ２本の連絡管１９−１、１９−２、２０−１、２０−２を具備し、連絡管１９−１と１９−２の一端はＬ型回転管からなる可動継手２２で屈曲自在に接続され、連絡管２０−１と２０−２の一端はＬ型回転管からなる可動継手２３で屈曲自在に接続されている。
【００１３】
集水管１９の連絡管１９−１の他端はＬ型回転管からなる可動継手２４で出口管１８に回動自在に接続され、集水管２０の連絡管２０−１の他端もＬ型回転管からなる可動継手２５で出口管１８に回動自在に接続されている。また、集水管１９の連絡管１９−２の他端はＴ型回転管からなる可動継手２６で排水管２１に回動自在に接続され、集水管２０の連絡管２０−２の他端もＴ型回転管からなる可動継手２７で排水管２１に回動自在に接続されている。２本の集水管１９、２０は互いに可動継手２２及び２３を介して互いに反対方向に屈曲するようにパンタグラフ状に配置されている。
【００１４】
水面１１が下降するとそれに連動して浮力体１２と集水部１３の組立体も下降し、集水管１９と２０は可動継手２２と２３が互いに離れるように屈曲し、更に水面１１が下降し、浮力体１２、１２が浮力体受台２８、２８の上面に達すると、図２の二点鎖線で示するように可動継手２２と２３が最も離れた位置になるように屈曲する。反対に水面１１が上昇すると集水管１９と２０は可動継手２２と２３が互いに接近するように屈曲する。なお、Ｔ型回転管からなる可動継手２６と２７は可動継手受台２９に固定されている。
【００１５】
上記のように集水管１９、２０は浮力体１２と集水部１３の組立体の上下動により支点となる可動継手２４、２５及び可動継手２６、２７を中心に集水管１９の連絡管１９−１、１９−２及び集水管２０の連絡管２０−１、２０−２が回動するから、その回転モーメントが変動するが、一方の回転モーメントの変動分は他方の回転モーメントの変動分で打ち消されることになり、可動集水装置全体としては回転モーメントの変動はないことになる。
【００１６】
従って、浮力体１２と集水部１３の組立体をガイドパイプ１４、１４に沿って案内させる摺動部材３０、３０の摺動状態（摩擦状態）は組立体が上下動して変化することなく、一定の状態を維持するから、該組立体は水面１１の上下動に連動してスムーズに上下動する。しかも摺動部材３０、３０とガイドパイプの摺動状態が一定であるから、浮力体１２と集水部１３の組立体の上下動範囲を大きくすることが可能となる。
【００１７】
図４及び図５は本発明に係る可動集水装置の構成を示す図で、図４は正面図、図５は図４のＢ−Ｂ断面図である。図４及び図５において、図２及び図３と同一符号を付した部分は同一又は相当部分を示す。本可動集水装置の特徴は、図示するように、２台の同一構成の可動集水装置１と可動集水装置２を水槽１０内にその集水管１９、１９が互いに反対方向に屈曲するように配置し、互いの集水部１３、１３が連動して上下動するように連結部材３１で連結したことである。
【００１８】
可動集水装置１と２は略同一構成であるので可動集水装置１についてその構成を説明する。可動集水装置１は水槽１０内に貯留された水の水面１１に浮上する浮力体１２と、該浮力体１２に支持された集水部１３を具備する。該浮力体１２と集水部１３の組立体は水面１１の上下動に連動して両側に配置されたガイドパイプ１４、１４にガイドされ上下動するようになっている。ガイドパイプ１４は水槽１０の側壁又は支柱等にブラケット１５、１６を介して上下方向に配置されている。
【００１９】
集水部１３は内部が空洞となっており、側部に多数の通水孔１７が設けられており、上澄水等の水位上部の水が該通水孔１７を通って集水部１３の内部空間１３ａに集められるようになっている。該内部空間１３ａに集められた水は出口管１８から集水管１９を通って水槽１０の底部に配置された排水管２１を通って、水槽１０の外部に排水されるようになっている。集水管１９はそれぞれ２本の連絡管１９−１、１９−２を具備し、連絡管１９−１と１９−２の一端はＬ型回転管からなる可動継手２２で屈曲自在に接続されている。
【００２０】
集水管１９の連絡管１９−１の他端はＬ型回転管からなる可動継手２４で出口管１８に回動自在に接続され、連絡管１９−２の他端はＴ型回転管からなる可動継手２６で排水管２１に回動自在に接続されている。
【００２１】
水面１１が下降するとそれに連動して浮力体１２と集水部１３の組立体も下降し、集水管１９は可動継手２２を中心に屈曲し、更に水面１１が下降し、浮力体１２、１２が浮力体受台２８、２８の上面に達すると、図４の二点鎖線で示すように連絡管１９−１、１９−２が可動継手２２を先頭に支点となる可動継手２４及び２６から最も離れた位置に傾倒する。
【００２２】
上記のように、１台の可動集水装置を見た場合、水面１１の変動によりそれに連動して浮力体１２と集水部１３の組立体も変動し、可動継手２４及び２６を支点として連絡管１９−１、１９−２が回動するから、１台の可動集水装置の回転モーメントが変動する。しかし、ここでは可動集水装置１と可動集水装置２をその集水管１９、１９が互いに反対方向に屈曲するように配置しているので、可動集水装置１の回転モーメントの変動は可動集水装置２の回転モーメントの変動で打ち消されることになり、可動集水装置１と可動集水装置２を一つの可動集水装置とみた場合、回転モーメントに変動がないことになる。従って、図２及び図３に示す可動集水装置と同様、可動集水装置１と２の浮力体１２と集水部１３の組立体は水面１１の上下動に連動してスムーズに上下動し、上下動範囲を大きくとることが可能となる。
【００２３】
図６はＬ型回転管からなる可動継手２４の構成例を示す図である。可動継手２４はＬ字管２４−１、軸受ケース２４−２、ブッシュ２４−３、ブッシュ２４−４、押え板２４−５、皿ビス２４−６及び止めネジ２４−７、２４−８を具備している。ブッシュ２４−３を軸受ケース２４−２の内周面に止めネジ２４−７で固定し、ブッシュ２４−４を止めネジ２４−８でＬ字管２４−１の外周に固定し、更に押え板２４−５を皿ビス２４−６で軸受ケース２４−２の端部に固定した構成である。
【００２４】
Ｌ字管２４−１の端部を出口管１８に接続し、軸受ケース２４−２のフランジ部２４−２ａに連絡管１９−１の他端を接続することにより、ブッシュ２４−３とブッシュ２４−４が軸受を形成し、連絡管１９−１は回動可能に支持される。なお、可動継手２５、可動継手２２、可動継手２３も可動継手と略同じ構成であるから、その説明は省略する。
【００２５】
図７はＴ型回転管からなる可動継手２６の構成例を示す図である。可動継手２６はＴ字管２６−１、軸受ケース２６−２、軸受ケース２６−３、ブッシュ２６−４、ブッシュ２６−５及び止めネジ２６−６、２６−７を具備している。ブッシュ２６−４を軸受ケース２６−２の内周面に止めネジ２６−６で固定し、ブッシュ２６−５を止めネジ２６−７でＴ字管２６−１の外周に固定し、更に軸受ケース２６−３でＴ字管２６−１に端部の一方の開口を閉塞した構成である。
【００２６】
Ｔ字管２６−１の端部に連絡管１９−２の他端を接続し、軸受ケース２６−２のフランジ部２６−２ａを排水管２１の一端に接続することにより、ブッシュ２６−４とブッシュ２６−５が軸受を形成し、連絡管１９−２は回動可能に支持される。なお、可動継手２７も可動継手２６と略同じ構成であるから、その説明は省略する。
【００２７】
【発明の効果】
以上説明したように、各請求項に記載の発明によれば下記のような優れた効果が得られる。
【００２８】
請求項１に記載の発明によれば、２本の集水管を互いに反対方向にパンタグラフ状に屈曲するように配置したので、一方の集水管の屈曲による回転モーメントの変化は、他方の集水管の回転モーメントの変化により打ち消されることになり、集水部と浮力体の組立体が水面の上下動に連動して上下動しても、可動集水装置全体として回転モーメントが変化することなく、ガイド部材に沿ってスムーズに上下動すると共に、上下動する範囲も大きく取ることが可能となる。
【００２９】
請求項２に記載の発明によれば、２台の可動集水装置を集水管が互いに反対方向に屈曲するように配置するので、一方の可動集水装置の集水管の屈曲による回転モーメントの変動は他方の可動集水装置の集水管の屈曲による回転モーメントの変動で打ち消されることになり、集水部と浮力体の組立体が水面の上下動に連動して上下動しても両可動集水装置全体として回転モーメントの変動がなく、集水部と浮力体の組立体が水面の上下動に連動してガイド部材に沿ってスムーズに上下動すると共に、上下動する範囲も大きく取ることが可能となる。
【図面の簡単な説明】
【図１】従来の可動集水装置の構成を示す図である。
【図２】本発明に係る可動集水装置の構成を示す図である。
【図３】図２のＡ−Ａ断面図である。
【図４】本発明に係る可動集水装置の構成を示す図である。
【図５】図４のＢ−Ｂ断面図である。
【図６】Ｌ型回転管からなる可動継手の構成例を示す図である。
【図７】Ｔ型回転管からなる可動継手の構成例を示す図である。
【符号の説明】
１ 可動集水装置
２ 可動集水装置
１０ 水槽
１１ 水面
１２ 浮力体
１３ 集水部
１４ ガイドパイプ
１５ ブラケット
１６ ブラケット
１７ 通水孔
１８ 出口管
１９ 集水管
２０ 集水管
２１ 排水管
２２ 可動継手
２３ 可動継手
２４ 可動継手
２５ 可動継手
２６ 可動継手
２７ 可動継手
２８ 浮力体受台
２９ 可動継手受台
３０ 摺動部材
３１ 連結部材[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a movable water collecting device for collecting and draining water at the upper part of a water level such as supernatant water of water stored in a water tank used in water treatment facilities.
[0002]
[Prior art]
FIG. 1 is a diagram showing the configuration of a conventional movable water collecting apparatus of this type. As shown in the figure, the movable water collecting device is installed in a water tank 100 such as a settling water tank of a water treatment facility, and floats on a water surface 101 of water stored in the water tank 100, and the buoyancy body 102. The water collecting part 103 supported by the water is provided. The assembly of the buoyancy body 102 and the water collecting portion 103 is guided by guide pipes 104 and 104 arranged on both sides in conjunction with the fluctuation of the water level, that is, the vertical movement of the water surface 101, and moves up and down.
[0003]
The water collection portion 103 has a hollow inside, and a plurality of water passage holes 105 are provided in the side portions. Water at the upper water level such as supernatant water is collected in the internal space through the water passage holes 105. It is like that. The water collected in the internal space is drained to the outside of the water tank 100 through the outlet pipe 106, the connecting pipes 107 and 108, and the drain pipe 109 disposed in the lower part. One end of the connecting pipe 107 and the connecting pipe 108 is connected in series by a movable joint 110 made of an L-shaped pipe to constitute a water collecting pipe. The other end of the connecting pipe 107 constituting the water collecting pipe is connected to the outlet pipe 106 by a movable joint 111 made of an L-shaped pipe, and the other end of the connecting pipe 108 is one end of a drain pipe 109 by a movable joint 112 made of a T-shaped pipe. It is connected to the.
[0004]
When the assembly of the buoyancy body 102 and the water collection portion 103 is moved downward due to fluctuations in the water surface 101, for example, downward movement, the water collection pipe composed of the communication pipe 107 and the communication pipe 108 is bent around the movable joint 110, and the buoyancy shown in FIG. When reaching the body cradle 113, 113, the connecting pipe 107 and the connecting pipe 108 greatly protrude in one direction (right side in the figure) from the positions of the movable joint 111 and the movable joint 112 which are fulcrums as shown by the two-dot chain line. It has become.
[0005]
In the movable water collecting apparatus having the above-described conventional configuration, the movable joint 111 and the movable joint 111 of the communication pipe 107 and the communication pipe 108 are movable depending on the position of the assembly of the buoyancy body 102 and the water collection section 103 that move up and down in conjunction with the vertical movement of the water surface 101. Since the amount of protrusion from the position of the joint 112 is different, the rotational moment of the entire movable water collecting device changes. For this reason, as the assembly descends, the force with which the assembly pushes the guide pipe becomes stronger, and there is a problem in that the assembly does not move smoothly and may not move. In addition, in order to avoid this problem, there is a problem that the vertical movement range of the assembly of the buoyancy body 102 and the water collecting portion 103 cannot be increased.
[0006]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and there is almost no change in the rotational moment of the entire movable water collecting device due to the vertical position of the assembly of the buoyant body and the water collecting portion provided in the movable water collecting device. It is an object of the present invention to provide a movable water collecting device in which the vertical movement of the assembly is smooth and the vertical movement range can be increased.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, an invention according to claim 1 is provided with a buoyancy body that floats on the surface of water in a water tank, and a water collection portion supported by the buoyancy body, and the assembly of the water collection portion and the buoyancy body. The water is moved up and down in conjunction with the vertical movement of the water surface along the guide member arranged in the vertical direction, and the water collected in the water collecting part is arranged below the water collecting part through the water collecting pipe. In the movable water collecting apparatus configured to send water to the drainage pipe, the water collecting pipe is configured by a pipe body connected in series via a rotatable joint, and the upper and lower ends of the water collecting pipe are respectively rotatable. While connecting to a water collection part and a drain pipe via a joint, two said water collection pipes are arrange | positioned so that it may be bent in a pantograph shape in the opposite direction according to the vertical movement of a water collection part, It is characterized by the above-mentioned.
[0008]
Since the two water collecting pipes are arranged so as to be bent in a pantograph shape in opposite directions as described above, the change in rotational moment due to the bending of one water collecting pipe is canceled by the change in the rotational moment of the other water collecting pipe. Therefore, even if the assembly of the water collection section and buoyancy body moves up and down in conjunction with the vertical movement of the water surface, the movable water collection apparatus as a whole moves smoothly up and down along the guide member without changing the rotational moment. Will move. Therefore, as in the conventional configuration in which a single water collecting pipe is arranged, the bending moment of the water collecting pipe causes the rotational moment of the entire movable water collecting apparatus to fluctuate, the force pushing the guide member fluctuates, and the smoothness along the guide member of the assembly changes. Movement is not hindered or stuck. In addition, the range in which the assembly moves up and down can be increased.
[0009]
The invention according to claim 2 includes a buoyancy body that floats on the water surface in the water tank, and a water collection portion supported by the buoyancy body, and the assembly of the water collection portion and the buoyancy body is arranged in the vertical direction. It is configured to move up and down in conjunction with the vertical movement of the water surface along the guide member, and the water collected in the water collecting section is supplied to the drain pipe disposed below the water collecting section through the water collecting pipe. In the movable water collecting apparatus configured as described above, the water collecting pipe is configured by a pipe body connected in series via a rotatable joint, and the upper and lower ends of the water collecting pipe are respectively connected to the water collecting section via the rotatable joint. And the drainage pipe, and the water collection pipe is arranged to bend in a predetermined direction in accordance with the vertical movement of the water collection part. Two movable water collection devices, and the water collection pipes are opposite to each other. It is arranged so that it bends and connected so that each water collecting part moves up and down in conjunction with each other. To.
[0010]
Since the two movable water collecting devices are arranged so that the water collecting pipes are bent in opposite directions as described above, the fluctuation of the rotational moment due to the bending of the water collecting tube of one movable water collecting device is the other movable water collecting device. Therefore, even if the assembly of the water collection part and buoyancy body moves up and down in conjunction with the vertical movement of the water surface, the rotational moment of the two movable water collection devices as a whole will be canceled. There is no fluctuation, and the assembly of the water collecting portion and the buoyancy body smoothly moves up and down along the guide member in conjunction with the vertical movement of the water surface, as described above. Therefore, the smooth movement along the guide member of the assembly is not hindered or stopped. In addition, the range in which the assembly moves up and down can be increased.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. 2 and 3 are diagrams showing the configuration of the movable water collecting apparatus according to the present invention, FIG. 2 is a front view, and FIG. 3 is a cross-sectional view taken along line AA of FIG. As shown in the figure, the movable water collecting apparatus is installed in a water tank 10 such as a settling water tank of a water treatment facility, and floats on a water surface 11 of water stored in the water tank 10, and the buoyancy body 12. The water collection part 13 supported by the is comprised. The assembly of the buoyancy body 12 and the water collecting portion 13 is guided by guide pipes 14 and 14 disposed on both sides in conjunction with the vertical movement of the water surface 11 and moves up and down. The guide pipe 14 is arranged in the vertical direction on the side wall or support column of the water tank 10 via brackets 15 and 16.
[0012]
The water collection section 13 is hollow inside, and a plurality of water passage holes 17 are provided on the side, and water at the upper part of the water level such as supernatant water passes through the water passage holes 17 and the water collection section 13. They are collected in the internal space 13a. The water collected in the internal space 13a is drained from the outlet pipe 18 through the two water collecting pipes 19 and 20 to the outside of the water tank 10 through the drain pipe 21 disposed at the bottom of the water tank 10. It has become. The water collecting pipes 19 and 20 are respectively provided with two connecting pipes 19-1, 19-2, 20-1, and 20-2, and one ends of the connecting pipes 19-1 and 19-2 are movable comprising L-shaped rotating pipes. The connecting pipes 20-1 and 20-2 are connected to each other by a movable joint 23 made of an L-shaped rotary pipe.
[0013]
The other end of the connecting pipe 19-1 of the water collecting pipe 19 is rotatably connected to the outlet pipe 18 by a movable joint 24 made of an L-shaped rotating pipe, and the other end of the connecting pipe 20-1 of the water collecting pipe 20 is also L-shaped rotated. A movable joint 25 made of a pipe is rotatably connected to the outlet pipe 18. The other end of the connecting pipe 19-2 of the water collecting pipe 19 is rotatably connected to the drain pipe 21 by a movable joint 26 made of a T-type rotating pipe, and the other end of the connecting pipe 20-2 of the water collecting pipe 20 is also T. The drainage pipe 21 is rotatably connected by a movable joint 27 formed of a mold rotary pipe. The two water collecting pipes 19 and 20 are arranged in a pantograph shape so as to be bent in opposite directions to each other via movable joints 22 and 23.
[0014]
When the water surface 11 is lowered, the assembly of the buoyant body 12 and the water collecting portion 13 is also lowered, the water collecting pipes 19 and 20 are bent so that the movable joints 22 and 23 are separated from each other, and the water surface 11 is further lowered. When the buoyancy bodies 12 and 12 reach the upper surfaces of the buoyancy body receiving bases 28 and 28, the movable joints 22 and 23 are bent so as to be at the farthest positions as indicated by a two-dot chain line in FIG. 2. On the contrary, when the water surface 11 rises, the water collecting pipes 19 and 20 are bent so that the movable joints 22 and 23 come close to each other. The movable joints 26 and 27 made of a T-type rotary tube are fixed to a movable joint pedestal 29.
[0015]
As described above, the water collecting pipes 19, 20 are connected to the connecting pipe 19-of the water collecting pipe 19 around the movable joints 24, 25 and the movable joints 26, 27 serving as fulcrums by the vertical movement of the assembly of the buoyancy body 12 and the water collection portion 13. 1 and 19-2 and the connecting pipes 20-1 and 20-2 of the water collecting pipe 20 are rotated, so that the rotational moment varies, but the variation of one rotational moment is canceled by the variation of the other rotational moment. As a result, there is no fluctuation in the rotational moment for the entire movable water collecting device.
[0016]
Therefore, the sliding state (friction state) of the sliding members 30 and 30 for guiding the assembly of the buoyancy body 12 and the water collecting portion 13 along the guide pipes 14 and 14 does not change as the assembly moves up and down. Since the constant state is maintained, the assembly moves smoothly up and down in conjunction with the vertical movement of the water surface 11. In addition, since the sliding state of the sliding members 30 and 30 and the guide pipe is constant, the vertical movement range of the assembly of the buoyancy body 12 and the water collecting portion 13 can be increased.
[0017]
4 and 5 are diagrams showing the configuration of the movable water collecting apparatus according to the present invention, FIG. 4 is a front view, and FIG. 5 is a cross-sectional view taken along line BB in FIG. 4 and 5, the parts denoted by the same reference numerals as those in FIGS. 2 and 3 indicate the same or corresponding parts. As shown in the figure, the movable water collecting apparatus is characterized in that two movable water collecting apparatuses 1 and 2 having the same configuration are placed in a water tank 10 and their water collecting pipes 19 and 19 are bent in opposite directions. The water collecting portions 13 and 13 are connected by the connecting member 31 so as to move up and down in conjunction with each other.
[0018]
Since the movable water collecting devices 1 and 2 have substantially the same configuration, the configuration of the movable water collecting device 1 will be described. The movable water collecting apparatus 1 includes a buoyancy body 12 that floats on a water surface 11 of water stored in a water tank 10, and a water collection portion 13 that is supported by the buoyancy body 12. The assembly of the buoyancy body 12 and the water collecting portion 13 is guided by guide pipes 14 and 14 disposed on both sides in conjunction with the vertical movement of the water surface 11 and moves up and down. The guide pipe 14 is arranged in the vertical direction on the side wall or support column of the water tank 10 via brackets 15 and 16.
[0019]
The water collection section 13 is hollow inside, and a plurality of water passage holes 17 are provided on the side, and water at the upper part of the water level such as supernatant water passes through the water passage holes 17 and the water collection section 13. They are collected in the internal space 13a. The water collected in the internal space 13a is drained from the outlet pipe 18 through the water collecting pipe 19 to the outside of the water tank 10 through the drain pipe 21 arranged at the bottom of the water tank 10. Each of the water collecting pipes 19 includes two connecting pipes 19-1 and 19-2, and one ends of the connecting pipes 19-1 and 19-2 are flexibly connected by a movable joint 22 formed of an L-shaped rotating pipe. .
[0020]
The other end of the connecting pipe 19-1 of the water collecting pipe 19 is rotatably connected to the outlet pipe 18 by a movable joint 24 made of an L-shaped rotating pipe, and the other end of the connecting pipe 19-2 is movable made of a T-shaped rotating pipe. A joint 26 is rotatably connected to the drain pipe 21.
[0021]
When the water surface 11 is lowered, the assembly of the buoyant body 12 and the water collecting portion 13 is also lowered, the water collecting pipe 19 is bent around the movable joint 22, the water surface 11 is further lowered, and the buoyant bodies 12, 12 are moved. When reaching the upper surfaces of the buoyant body receptacles 28, 28, the connecting pipes 19-1, 19-2 are farthest from the movable joints 24, 26, which serve as fulcrums with the movable joint 22 at the head, as shown by the two-dot chain line in FIG. Tilt to the right position.
[0022]
As described above, when one movable water collecting device is viewed, the assembly of the buoyant body 12 and the water collecting portion 13 is also changed in conjunction with the fluctuation of the water surface 11, and the movable joints 24 and 26 are used as fulcrums. Since the pipes 19-1 and 19-2 rotate, the rotational moment of one movable water collecting device varies. However, since the movable water collecting device 1 and the movable water collecting device 2 are arranged so that the water collecting pipes 19 and 19 bend in the opposite directions to each other, the fluctuation of the rotational moment of the movable water collecting device 1 is movable. When the movable water collection device 1 and the movable water collection device 2 are regarded as one movable water collection device, the rotation moment does not vary. Therefore, like the movable water collecting device shown in FIGS. 2 and 3, the assembly of the buoyant body 12 and the water collecting portion 13 of the movable water collecting devices 1 and 2 smoothly moves up and down in conjunction with the vertical movement of the water surface 11. It is possible to increase the vertical movement range.
[0023]
FIG. 6 is a diagram showing a configuration example of the movable joint 24 made of an L-shaped rotary tube. The movable joint 24 includes an L-shaped pipe 24-1, a bearing case 24-2, a bush 24-3, a bush 24-4, a holding plate 24-5, a countersunk screw 24-6, and set screws 24-7 and 24-8. is doing. The bush 24-3 is fixed to the inner peripheral surface of the bearing case 24-2 with a set screw 24-7, the bush 24-4 is fixed to the outer periphery of the L-shaped tube 24-1 with a set screw 24-8, and a presser plate 24-5 is fixed to the end of the bearing case 24-2 with a countersunk screw 24-6.
[0024]
By connecting the end of the L-shaped pipe 24-1 to the outlet pipe 18 and connecting the other end of the connecting pipe 19-1 to the flange portion 24-2a of the bearing case 24-2, the bush 24-3 and the bush 24 -4 forms a bearing, and the communication pipe 19-1 is supported rotatably. Since the movable joint 25, the movable joint 22, and the movable joint 23 have substantially the same configuration as the movable joint, the description thereof is omitted.
[0025]
FIG. 7 is a view showing a configuration example of the movable joint 26 made of a T-shaped rotary tube. The movable joint 26 includes a T-shaped tube 26-1, a bearing case 26-2, a bearing case 26-3, a bush 26-4, a bush 26-5, and set screws 26-6 and 26-7. The bush 26-4 is fixed to the inner peripheral surface of the bearing case 26-2 with a set screw 26-6, the bush 26-5 is fixed to the outer periphery of the T-tube 26-1 with a set screw 26-7, and the bearing case 26-3, the T-shaped tube 26-1 is closed at one end.
[0026]
By connecting the other end of the connecting pipe 19-2 to the end of the T-shaped pipe 26-1, and connecting the flange part 26-2a of the bearing case 26-2 to one end of the drain pipe 21, The bush 26-5 forms a bearing, and the communication pipe 19-2 is rotatably supported. Since the movable joint 27 has substantially the same configuration as the movable joint 26, the description thereof is omitted.
[0027]
【The invention's effect】
As described above, according to the invention described in each claim, the following excellent effects can be obtained.
[0028]
According to the first aspect of the present invention, since the two water collecting pipes are arranged to be bent in a pantograph shape in opposite directions, the change in the rotational moment due to the bending of one water collecting pipe is the same as that of the other water collecting pipe. Even if the assembly of the water collecting part and buoyant body moves up and down in conjunction with the vertical movement of the water surface, the rotational moment does not change as a whole of the movable water collecting device. While moving up and down smoothly along the member, it is possible to increase the range of up and down movement.
[0029]
According to the second aspect of the present invention, since the two movable water collecting devices are arranged so that the water collecting pipes are bent in opposite directions to each other, the fluctuation of the rotational moment due to the bending of the water collecting tube of one movable water collecting device. Will be canceled by fluctuations in the rotational moment due to the bending of the water collecting pipe of the other movable water collecting device. There is no fluctuation in rotational moment as a whole water device, and the assembly of the water collecting part and buoyant body can move up and down smoothly along the guide member in conjunction with the vertical movement of the water surface, and the range of vertical movement can be increased. It becomes possible.
[Brief description of the drawings]
FIG. 1 is a diagram showing a configuration of a conventional movable water collecting device.
FIG. 2 is a diagram showing a configuration of a movable water collecting apparatus according to the present invention.
3 is a cross-sectional view taken along the line AA in FIG.
FIG. 4 is a diagram showing a configuration of a movable water collecting device according to the present invention.
5 is a cross-sectional view taken along the line BB in FIG.
FIG. 6 is a diagram illustrating a configuration example of a movable joint made of an L-shaped rotary tube.
FIG. 7 is a diagram showing a configuration example of a movable joint made of a T-shaped rotary tube.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Movable water collecting device 2 Movable water collecting device 10 Water tank 11 Water surface 12 Buoyant body 13 Water collecting part 14 Guide pipe 15 Bracket 16 Bracket 17 Water flow hole 18 Outlet pipe 19 Water collecting pipe 20 Water collecting pipe 21 Drain pipe 22 Movable joint 23 Movable joint 23 24 Movable joint 25 Movable joint 26 Movable joint 27 Movable joint 28 Buoyant body cradle 29 Movable joint cradle 30 Sliding member 31 Connecting member

Claims (2)

水槽内の水面に浮上する浮力体と、該浮力体に支持された集水部を具備し、該集水部と浮力体の組立体を上下方向に配置したガイド部材に沿って前記水面の上下動に連動して上下動するように構成すると共に、前記集水部で集めた水を集水管を介して該集水部の下方に配置した排水管に送水するように構成した可動集水装置において、
前記集水管は回動自在の継手を介し直列に接続された管体で構成され、該集水管の上下端部をそれぞれ回動自在の継手を介して前記集水部と前記排水管に接続すると共に、該集水管を前記集水部の上下動に応じて互いに反対方向にパンタグラフ状に屈曲するように２本配置したことを特徴とする可動集水装置。A buoyancy body that floats on the water surface in the water tank, and a water collection portion supported by the buoyancy body, and the upper and lower surfaces of the water surface along a guide member in which the assembly of the water collection portion and the buoyancy body is arranged vertically. A movable water collecting device configured to move up and down in conjunction with movement and to supply water collected in the water collecting unit to a drain pipe disposed below the water collecting unit via the water collecting tube In
The water collecting pipe is configured by a pipe body connected in series via a rotatable joint, and the upper and lower ends of the water collecting pipe are connected to the water collecting portion and the drain pipe via the rotatable joint, respectively. In addition, two water collecting pipes are arranged so as to be bent in a pantograph shape in opposite directions according to the vertical movement of the water collecting section. 水槽内の水面に浮上する浮力体と、該浮力体に支持された集水部を具備し、該集水部と浮力体の組立体を上下方向に配置したガイド部材に沿って前記水面の上下動に連動して上下動するように構成すると共に、前記集水部で集めた水を集水管を介して該集水部の下方に配置した排水管に送水するように構成した可動集水装置において、
前記集水管は回動自在の継手を介し直列に接続された管体で構成され、該集水管の上下端部をそれぞれ回動自在の継手を介して前記集水部と前記排水管に接続すると共に、該集水管を前記集水部の上下動に応じて所定の方向に屈曲するように配置した構成であり、
前記可動集水装置を２台、その前記集水管が互いに反対方向に屈曲するように配置すると共に、互いの集水部が連動して上下動するように連結したことを特徴とする可動集水装置。A buoyancy body that floats on the water surface in the water tank, and a water collection portion supported by the buoyancy body, and the upper and lower surfaces of the water surface along a guide member in which the assembly of the water collection portion and the buoyancy body is arranged vertically. A movable water collecting device configured to move up and down in conjunction with movement and to supply water collected in the water collecting unit to a drain pipe disposed below the water collecting unit via the water collecting tube In
The water collecting pipe is configured by a pipe body connected in series via a rotatable joint, and the upper and lower ends of the water collecting pipe are connected to the water collecting portion and the drain pipe via the rotatable joint, respectively. And the water collecting pipe is arranged to bend in a predetermined direction according to the vertical movement of the water collecting portion,
Two movable water collecting devices are arranged such that the water collecting pipes are bent in opposite directions, and the water collecting portions are connected so as to move up and down in conjunction with each other. apparatus.
JP2000357821A 2000-11-24 2000-11-24 Movable water collector Expired - Lifetime JP3759404B2 (en)

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