JP2008024340A - Cover member - Google Patents

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JP2008024340A
JP2008024340A JP2006199113A JP2006199113A JP2008024340A JP 2008024340 A JP2008024340 A JP 2008024340A JP 2006199113 A JP2006199113 A JP 2006199113A JP 2006199113 A JP2006199113 A JP 2006199113A JP 2008024340 A JP2008024340 A JP 2008024340A
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cover
plate
panel
opening
edge
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JP4928183B2 (en
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Fumio Tokunaga
文男 徳永
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Sekisui Chem Co Ltd
積水化学工業株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/208Off-grid powered water treatment

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cover member which covers a water tank having an opening span exceeding 10 m at a water treatment facility, is transported easily to a placement site, and is assembled easily in the placement site. <P>SOLUTION: An opening 2a of an almost oblong shape in a top view is formed on the top of a settling basin 2 placed in a sewage treatment facility 1. A plurality of cover members 3 adjacent to each other are laid across the opening 2a between the side edges 2b and 2b of component walls composing the periphery of the opening 2a to cover the top of the opening 2a. The cover member 3 has two elongated cover panels 6 made of boards having an almost oblong shape in a plan view, and a connecting member 7 slantly connecting one longitudinal edge of one panel 6 to the same of the other panel 6. The two cover panels 6 and 6 are connected together via the connecting member 7. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、水処理施設に設置された水槽の上部開口部を覆う覆蓋部材に関する。   The present invention relates to a cover member that covers an upper opening of a water tank installed in a water treatment facility.
例えば、下水処理施設には、沈砂槽、沈殿槽、生物反応槽などの水槽が配置されている。   For example, water tanks such as a sand settling tank, a settling tank, and a biological reaction tank are arranged in a sewage treatment facility.
これらの水槽の上部開口部は、安全上、衛生上、或いは、環境上などの観点から覆蓋部材によって覆われている。   The upper openings of these water tanks are covered with a cover member from the viewpoints of safety, hygiene, and environment.
水槽の上部には上面視形状が略長方形状を呈した開口部が設けられており、開口部の周縁を構成する構成壁の上縁部に、開口部を跨いで複数の覆蓋部材を隣接させて架け渡すことによって開口部の上部を覆っている。   The upper part of the water tank is provided with an opening having a substantially rectangular shape when viewed from above, and a plurality of cover members are disposed adjacent to the upper edge of the constituent wall constituting the periphery of the opening across the opening. The upper part of the opening is covered by spanning.
従来から、覆蓋部材として、例えば、コンクリート製ものや、アルミニューム製、FRP製(Fiber Reinforced Plastics製:繊維強化プラスチック製)のものなどが知られている。   Conventionally, as a cover member, for example, those made of concrete, those made of aluminum, and those made of FRP (Fiber Reinforced Plastics: made of fiber reinforced plastic) are known.
これらのうちで、架け渡し方向のスパンが長い覆蓋部材としては、FRP製でドーム型の覆蓋部材があり、スパンが長いもので8m程度のものが知られている。   Among these, as the cover member having a long span in the spanning direction, there is a dome-shaped cover member made of FRP, and a member having a long span of about 8 m is known.
この他、特許文献1にハニカム構造を有した樹脂製の覆蓋部材が開示されている。
特開2004−196339号公報
In addition, Patent Document 1 discloses a resin cover member having a honeycomb structure.
JP 2004-196339 A
ところで、近年、浄水場や下水処理場において、設備の大型化に伴い10mを超える開口スパンの水槽に蓋をする必要が生じている。   By the way, in recent years, in water purification plants and sewage treatment plants, it is necessary to cover a water tank having an opening span exceeding 10 m with an increase in size of equipment.
従来のFRP製の平板型の覆蓋部材では撓みが生じるため、10mを超えるスパンの覆蓋部材を製造するのは困難であった。   Since a conventional flat cover member made of FRP is bent, it is difficult to manufacture a cover member having a span exceeding 10 m.
そこで、ドーム構造やハニカム構造を用いて10mを超えるスパンの覆蓋を形成すると、その大きさ故、設置現場への搬送が困難になるという問題があった。   Therefore, when a cover having a span exceeding 10 m is formed using a dome structure or a honeycomb structure, there is a problem that it is difficult to convey the cover to the installation site.
また、多数のパネルに分割して、設置現場で組み立てるものも知られているが、組み立て工数が多くなり、設置が困難になってしまうという問題があった。   Moreover, although what is divided | segmented into many panels and assembled at the installation site is also known, there existed a problem that an installation man-hour increased and installation became difficult.
そこで、本発明では、水処理施設において10mを超える開口スパンの水槽を覆うことができ、設置現場に搬送しやすく、設置現場での組立が容易な覆蓋部材を提供することを目的にしている。   Therefore, an object of the present invention is to provide a cover member that can cover a water tank having an opening span exceeding 10 m in a water treatment facility, can be easily transported to an installation site, and can be easily assembled on the installation site.
上記目的を達成するために請求項1に記載された発明は、水処理施設に設置された水槽の上部に上面視形状が略長方形状を呈した開口部が設けられ、該開口部の周縁を構成する構成壁の上縁部に前記開口部を跨いで複数隣接して架け渡すことによって前記開口部の上部を覆う覆蓋部材であって、
板材によって構成され平面視形状が略長方形状を呈した長尺の2つのパネル部材と、該2つのパネル部材の長手方向一端縁同士を斜めに連結する連結部材とを有し、
前記2つのパネル部材が前記連結部材によって連結されている覆蓋部材を特徴としている。
In order to achieve the above object, according to the first aspect of the present invention, an opening having a substantially rectangular shape in top view is provided at the top of a water tank installed in a water treatment facility, and the periphery of the opening is A cover member that covers the upper part of the opening by bridging a plurality of adjacently straddling the opening on the upper edge of the constituting wall,
Two long panel members that are configured by a plate material and have a substantially rectangular shape in plan view, and a connecting member that obliquely connects one end edge in the longitudinal direction of the two panel members,
The cover member is characterized in that the two panel members are connected by the connecting member.
そして、請求項2に記載された発明は、略長方形状の天板と、該天板の幅手方向両端付近に垂直に接合された略長方形状の側板と、該各側板の間にハシゴ状に介装された複数の梁板とから成る板材によって前記パネル部材が構成されている請求項1に記載された覆蓋部材を特徴としている。   According to the second aspect of the present invention, there is provided a substantially rectangular top plate, a substantially rectangular side plate vertically joined near both ends in the width direction of the top plate, and a ladder shape between the side plates. The cover member according to claim 1, wherein the panel member is constituted by a plate material including a plurality of interposed beam plates.
また、請求項3に記載された発明は、前記板材がガラス長繊維により強化された発泡ウレタン樹脂によって形成されている請求項2に記載された覆蓋部材を特徴としている。   The invention described in claim 3 is characterized in that the cover member is described in claim 2 in which the plate material is formed of a foamed urethane resin reinforced with long glass fibers.
更に、請求項4に記載された発明は、前記上縁部への架け渡し方向の長さが10m以上の長さを有している請求項3に記載された覆蓋部材を特徴としている。   Furthermore, the invention described in claim 4 is characterized in that the cover member described in claim 3 has a length in the spanning direction to the upper edge portion of 10 m or more.
そして、請求項5に記載された発明は、前記上縁部に固定する固定手段を有している請求項1乃至請求項4に記載された覆蓋部材を特徴としている。   The invention described in claim 5 is characterized by the cover member described in claims 1 to 4 having a fixing means for fixing to the upper edge.
また、請求項6に記載された発明は、前記開口部に沿って移動可能とする可動手段を有している請求項1乃至請求項5に記載された覆蓋部材を特徴としている。   The invention described in claim 6 is characterized in that the cover member described in claims 1 to 5 has movable means that can move along the opening.
更に、請求項7に記載された発明は、長手方向両端部間に張力を加えて撓み量を変えることにより前記上縁部への架け渡し方向の長さを調整する張架手段を有する請求項1乃至請求項6に記載された覆蓋部材を特徴としている。   Furthermore, the invention described in claim 7 has a tension means for adjusting the length in the spanning direction to the upper edge portion by changing the amount of bending by applying a tension between both ends in the longitudinal direction. The cover member according to any one of claims 1 to 6 is characterized.
そして、請求項8に記載された発明は、幅手方向両側部にパッキング材が貼設されている請求項1乃至請求項7に記載された覆蓋部材を特徴としている。   And the invention described in Claim 8 is characterized by the cover member described in Claim 1 thru | or 7 by which the packing material is stuck by the width direction both sides.
また、請求項9に記載された発明は、前記少なくとも一方のパネル部材の長手方向端部付近に前記水槽内を点検するための点検口が設けられていることを特徴とする請求項1乃至請求項8に記載された覆蓋部材を特徴としている。   The invention described in claim 9 is characterized in that an inspection port for inspecting the inside of the water tank is provided in the vicinity of the end portion in the longitudinal direction of the at least one panel member. The cover member described in Item 8 is characterized.
更に、請求項10に記載された発明は、請求項1乃至請求項9に記載された覆蓋部材の設置方法であって、
工場で製造された前記パネル部材を前記水処理施設に搬送し、該水処理施設において前記連結部材によって連結し、前記水槽に設置する覆蓋部材の設置方法を特徴としている。
Furthermore, the invention described in claim 10 is the installation method of the cover member described in claims 1 to 9,
The panel member manufactured in the factory is transported to the water treatment facility, connected by the connecting member in the water treatment facility, and installed in the water tank.
そして、請求項11に記載された発明は、請求項1乃至請求項9に記載された覆蓋部材の設置方法であって、
前記上縁部に長手方向横断面形状がL字型を呈したL字型金物によって、前記覆蓋部材を嵌合させる枠体を形成し、該枠体間に前記覆蓋部材を並設して設置する覆蓋部材の設置方法を特徴としている。
And the invention described in Claim 11 is the installation method of the cover member described in Claim 1 thru | or 9, Comprising:
A frame body for fitting the cover member is formed by an L-shaped hardware having an L-shaped longitudinal cross-sectional shape at the upper edge portion, and the cover member is installed in parallel between the frame bodies. It is characterized by an installation method of the cover member.
このように構成された本発明の請求項1に記載されたものは、開口部の全体を複数の覆蓋部材で覆った際には、全体として屋根型を呈しているので、雨が降った際に水はけがよい。   According to the first aspect of the present invention configured as described above, when the entire opening is covered with a plurality of cover members, it has a roof shape as a whole. The drainage is good.
そして、請求項2に記載されたものは、梁板がハシゴ状に設けられているので十分な強度が得られる。   And what was described in Claim 2 has sufficient intensity | strength since the beam board is provided in the shape of a ladder.
また、請求項3に記載されたものは、パネル部材がガラス長繊維により強化された発泡ウレタン樹脂によって形成されているので、耐腐食性があり、腐食性のガスに曝されても長期に渡り使用可能である。   Further, since the panel member is formed of a foamed urethane resin reinforced with long glass fibers, the panel member has corrosion resistance and can be used for a long time even when exposed to corrosive gas. It can be used.
更に、請求項4に記載されたものは、パネル部材がハシゴ状に介装された梁板などの補強構造を有しているので、ガラス長繊維により強化された発泡ウレタン樹脂の樹脂板単体に比べて強度が強く、10m以上の長さの覆蓋部材が製造可能である。   In addition, since the panel member has a reinforcing structure such as a beam plate in which the panel member is interposed in a ladder shape, the foamed urethane resin resin plate reinforced by the long glass fibers is used alone. Compared with strength, a cover member having a length of 10 m or more can be manufactured.
そして、請求項5に記載されたものは、覆蓋部材が固定手段によって水槽の側縁部に固定されるので覆蓋部材を安定して設置することができる。 特に強風地域では、全ての覆蓋部材を固定手段によって固定すれば、覆蓋部材が風によって飛ばされることがない。   And since the cover member is fixed to the side edge part of a water tank by a fixing means, what was described in Claim 5 can install a cover member stably. Particularly in a strong wind region, if all the cover members are fixed by the fixing means, the cover members are not blown off by the wind.
また、請求項6に記載されたものは、覆蓋部材が可動手段を有しているので、覆蓋部材を開口部の両側縁に架け渡した後に側縁に沿って移動させて、既に設置されている覆蓋部材に隣接させることができるので、設置施工をスムーズに行うことができる。   Moreover, since the cover member has a movable means, the cover member has been already installed by moving along the side edge after the cover member is bridged on both side edges of the opening. Since it can be made to adjoin to the cover member which exists, installation construction can be performed smoothly.
更に、請求項7に記載されたものは、覆蓋部材が張架手段を有しているので、設置の際の撓みによる長さ変化を吸収して覆蓋部材の架け渡し方向の長さが調整でき、覆蓋部材の端部位置を調整できるため設置施工が行い易い。   Furthermore, since the cover member has a stretching means, the length of the cover member can be adjusted in the spanning direction by absorbing the change in length due to bending during installation. Since the end position of the cover member can be adjusted, the installation work is easy to perform.
そして、請求項8に記載されたものは、覆蓋部材の両側部にパッキング材が貼設されているので、隣接する覆蓋部材同士で、これらのパッキング材が密着して隙間を塞ぎ、水槽からの臭気の漏れなどを軽減できる。   And since what was described in Claim 8 has the packing material stuck on the both sides of the cover member, between these adjacent cover members, these packing materials closely_contact | adhere and close a gap | interval, Odor leaks can be reduced.
また、請求項9に記載されたものは、覆蓋部材に点検口が取り付けられているので、点検口から水槽内部を覗いて容易に点検できる。   Moreover, since the inspection port is attached to the cover member, what is described in Claim 9 can be easily inspected from the inspection port through the inside of the water tank.
更に、請求項10に記載されたものは、パネル部材が予め工場において製造され、設置現場では連結部材によってパネル部材を連結するだけでよいので、設置現場において覆蓋部材の組み立てが容易に行える。   Further, according to the tenth aspect of the present invention, since the panel member is manufactured in the factory in advance and it is only necessary to connect the panel member by the connecting member at the installation site, the cover member can be easily assembled at the installation site.
また、覆蓋部材自体は10m以上の長さを有しているが、組み立てる前のパネル部材は、約半分の長さになるので、工場から設置現場への搬送が容易に行える。   Moreover, although the cover member itself has a length of 10 m or more, the panel member before assembling is approximately half the length, so that it can be easily transported from the factory to the installation site.
そして、請求項11に記載されたものは、L字型金物によって枠体が形成されるので、支持部の施工が容易であるだけでなく、既設の水処理設備であっても、大規模な工事をすることなく覆蓋部材の設置が可能である。   And since what is described in Claim 11 forms a frame body with a L-shaped metal fitting, not only the construction of a support part is easy, but even if it is an existing water treatment facility, it is large-scale. The cover member can be installed without any construction work.
以下、本発明に係る実施の形態の実施例に基づいて本発明を説明する。   Hereinafter, the present invention will be described based on examples of embodiments according to the present invention.
〈構成〉
図1において、1は下水処理施設、2は沈殿池、3は覆蓋部材である。
<Constitution>
In FIG. 1, 1 is a sewage treatment facility, 2 is a sedimentation basin, and 3 is a cover member.
沈殿池2は上面視形状が長方形状の開口部2aを有しており、開口部2aの周壁及び周囲の床はコンクリートによって形成されている。   The sedimentation basin 2 has an opening 2a whose top view is rectangular, and the peripheral wall of the opening 2a and the surrounding floor are made of concrete.
覆蓋部材3は、開口部2aの周縁のうち沈殿池2の幅手方向両側の側縁部2b,2b間に複数架け渡されている。   A plurality of cover members 3 are bridged between the side edges 2b, 2b on both sides in the width direction of the settling basin 2 in the periphery of the opening 2a.
本実施例の沈殿池2の開口部2aは、幅が13.5mあり、10m以上のスパンを有している。   The opening 2a of the settling basin 2 of the present embodiment has a width of 13.5 m and a span of 10 m or more.
個々の覆蓋部材3は沈殿池2の幅手方向に長く、開口部2aを複数の覆蓋部材3で覆った際には、全体として屋根型を呈している。   Each cover member 3 is long in the width direction of the settling basin 2, and when the opening 2a is covered with a plurality of cover members 3, it has a roof shape as a whole.
図2に示すように、開口部2aを覆っている覆蓋部材3には、端末用覆蓋部材3aと、中間用覆蓋部材3bと、点検口付覆蓋部材3cとの3つのタイプが用いられている。   As shown in FIG. 2, the cover member 3 covering the opening 2a is of three types: a terminal cover member 3a, an intermediate cover member 3b, and a cover member 3c with an inspection port. .
端末用覆蓋部材3aは沈殿池2の長手方向両端位置で用いられ、中間用覆蓋部材3bと点検口付覆蓋部材3cとは沈殿池2の長手方向両端位置以外で用いられる。   The terminal cover member 3a is used at both ends in the longitudinal direction of the sedimentation basin 2, and the intermediate cover member 3b and the cover member with inspection port 3c are used at positions other than both longitudinal ends of the sedimentation basin 2.
〈端末用覆蓋部材3aの構成〉
端末用覆蓋部材3aは中間用覆蓋部材3bと側板3d,3dとによって構成されており、中間用覆蓋部材3bの幅手方向一方の側部に側板3d,3dが貼り付けられ、一方の側部が塞がれている。
<Configuration of Terminal Cover Member 3a>
The terminal cover member 3a includes an intermediate cover member 3b and side plates 3d and 3d. The side plates 3d and 3d are attached to one side portion of the intermediate cover member 3b in the width direction, and one side portion. Is blocked.
点検口付覆蓋部材3cは、中間用覆蓋部材3bの長手方向一方の端部の上面に開閉可能な点検口3eが設けられている。   The cover member 3c with an inspection port is provided with an inspection port 3e that can be opened and closed on the upper surface of one end in the longitudinal direction of the intermediate cover member 3b.
図3に示すように、沈殿池2の幅手方向両側の側縁部2b,2bには、沈殿池2の四隅付近に4つの固定用金具4がそれぞれ取り付けられ、沈殿池2の長手方向に沿って両側に2つのレール用金具5がそれぞれ取り付けられている。   As shown in FIG. 3, four fixing brackets 4 are attached to the side edges 2 b and 2 b on both sides in the width direction of the settling basin 2 near the four corners of the settling basin 2, respectively. Two rail brackets 5 are attached to both sides along the same.
図4(a)に示すように、固定用金具4は、横板部4aと、縦板部4bと、固定フランジ部4cとによって構成されている。   As shown in FIG. 4A, the fixing bracket 4 is composed of a horizontal plate portion 4a, a vertical plate portion 4b, and a fixing flange portion 4c.
横板部4aと縦板部4bと固定フランジ部4cとは略長方形状を呈しており、横板部4aと縦板部4bとは同一の長さを有している。   The horizontal plate portion 4a, the vertical plate portion 4b, and the fixing flange portion 4c have a substantially rectangular shape, and the horizontal plate portion 4a and the vertical plate portion 4b have the same length.
縦板部4bの幅手方向一端縁からは垂直に横板部4aが延びており、縦板部4bの幅手方向他端縁中央からは垂直に横板部4aと同じ側に固定フランジ部4cが延びている。   A horizontal plate portion 4a extends vertically from one edge in the width direction of the vertical plate portion 4b, and a fixed flange portion is perpendicular to the center of the other edge in the width direction of the vertical plate portion 4b on the same side as the horizontal plate portion 4a. 4c extends.
横板部4aの長手方向両端付近には、それぞれボルト穴4d,4dが設けられ、固定フランジ部4cの略中央には、ボルト穴4eが設けられている。   Bolt holes 4d and 4d are respectively provided in the vicinity of both ends in the longitudinal direction of the horizontal plate portion 4a, and a bolt hole 4e is provided in the approximate center of the fixing flange portion 4c.
図4(b)に示すように、レール用金具5は、横板部5aと、縦板部5bとによって構成されている。   As shown in FIG.4 (b), the rail metal fitting 5 is comprised by the horizontal board part 5a and the vertical board part 5b.
横板部5aと縦板部5bとは長尺の長方形状を呈しており、横板部4aと縦板部5bとは同一の長さを有している。   The horizontal plate portion 5a and the vertical plate portion 5b have a long rectangular shape, and the horizontal plate portion 4a and the vertical plate portion 5b have the same length.
横板部5aの幅手方向一端縁からは垂直に縦板部5bが延びており、横板部5aには複数のボルト穴5c,…が等間隔に設けられている。   A vertical plate 5b extends vertically from one edge in the width direction of the horizontal plate 5a, and a plurality of bolt holes 5c,... Are provided at equal intervals in the horizontal plate 5a.
図5に示すように、中間用覆蓋部材3bは、平面視形状が略長方形状の2枚の覆蓋パネル6と、4つの連結金具7と、20個のボルト8と、20個のナット9とによって構成されている。   As shown in FIG. 5, the intermediate cover member 3 b includes two cover panels 6 having a substantially rectangular shape in plan view, four connecting brackets 7, 20 bolts 8, and 20 nuts 9. It is constituted by.
本実施例の覆蓋パネル6は長さが約7m、幅が約1m、高さが約0.25mである。   The cover panel 6 of this embodiment has a length of about 7 m, a width of about 1 m, and a height of about 0.25 m.
覆蓋パネル6は、予め、工場内で製造される。   The cover panel 6 is manufactured in advance in a factory.
図5または図6に示すように、覆蓋パネル6は、天板6aと、側板6bと、蓋板6cと、梁板6dと、補強板6eと、スペーサー板6f,6gと、座板6hと、ゴム製のパッキング材6i,6jとによって構成されている。   As shown in FIG. 5 or FIG. 6, the cover panel 6 includes a top plate 6a, a side plate 6b, a cover plate 6c, a beam plate 6d, a reinforcing plate 6e, spacer plates 6f and 6g, and a seat plate 6h. , And rubber packing materials 6i and 6j.
側板6b,6bの連結端部側には、それぞれ5つの連結用のボルト穴6kが設けられている。   Five connecting bolt holes 6k are provided on the connecting end side of the side plates 6b and 6b.
符号6a〜6hの部材は、すべて後述するFFU板材によって形成されている。   All members 6a to 6h are formed of an FFU plate material to be described later.
FFU(Fiber reinforced Foamed Urethane)とは繊維強化発泡ウレタンのことであり、本実施例のFFU板材では、繊維にガラス長繊維を用いている。   FFU (Fiber reinforced foamed urethane) is a fiber reinforced urethane foam, and the FFU plate material of the present embodiment uses long glass fibers for the fibers.
束ねたガラス長繊維をほぐしながらにウレタン樹脂を含浸させて発泡させた樹脂素材であり、木材と同程度の比重に成形可能であり、剛性が高く、薬品などに対する耐浸食性に優れた樹脂素材である。   A resin material that is foamed by impregnating urethane resin while loosening the bundled long glass fibers, can be molded to the same specific gravity as wood, has high rigidity, and has excellent erosion resistance against chemicals It is.
FFUは、エポキシ系接着剤との親和性がよく、スクリュウ釘や木ネジなどによって接合することも可能であり、穴開け加工や切断がドリルやノコギリなどによって容易に行うことができる。   FFU has good affinity with epoxy adhesives, and can be joined by screw nails or wood screws. Drilling and cutting can be easily performed by a drill or a saw.
図6に示すように、覆蓋パネル6には、天板6aの裏面側幅手方向両端部付近に、天板6aに垂直にそれぞれ側板6b,6bが取り付けられている。   As shown in FIG. 6, side plates 6 b and 6 b are attached to the cover panel 6 in the vicinity of both ends in the width direction on the back side of the top plate 6 a and perpendicular to the top plate 6 a.
側板6bと側板6bとの間には、複数の長方形状の梁板6dが天板6aに垂直にハシゴ状に等間隔に取り付けられている。   Between the side plate 6b and the side plate 6b, a plurality of rectangular beam plates 6d are attached at equal intervals in a ladder shape perpendicular to the top plate 6a.
梁板6dの裏面側端面に当接した状態で、側板6b,6bの各内側面にそれぞれ補強板6e,6eが取り付けられている。   Reinforcing plates 6e and 6e are attached to the inner side surfaces of the side plates 6b and 6b, respectively, in contact with the rear surface side end surface of the beam plate 6d.
覆蓋パネル6の連結側端部は斜めに形成されている。本実施例の覆蓋パネル6では、覆蓋パネル6の連結側端部は、天板6aの法線方向から測って約8°だけ傾いている。   The connection side end of the cover panel 6 is formed obliquely. In the cover panel 6 of this embodiment, the connecting side end of the cover panel 6 is inclined by about 8 ° as measured from the normal direction of the top plate 6a.
一方、覆蓋パネル6の非連結側端部は、図5に示すように、蓋板6cによって塞がれており、裏面側にはコンクリート床の側縁部2bに載る位置に座板6hが取り付けられている。   On the other hand, as shown in FIG. 5, the unconnected side end of the cover panel 6 is closed by a cover plate 6c, and a seat plate 6h is attached to the back surface side at a position on the side edge 2b of the concrete floor. It has been.
蓋板6cは、覆蓋パネル6,6同士を連結して、沈殿池2の幅手方向両側の側縁部2b,2bに架け渡した際に、床面に対して垂直になるように、天板6aの法線方向から測って約8°だけ傾いている。   The cover plate 6c connects the cover cover panels 6 and 6 to each other so as to be perpendicular to the floor when spanning the side edges 2b and 2b on both sides of the settling tank 2 in the width direction. It is inclined by about 8 ° as measured from the normal direction of the plate 6a.
なお、FFU板材同士の接合は、エポキシ系接着剤と、スクリュー釘や木ネジとを併用して行われている。   In addition, joining of FFU board | plate materials is performed by using together an epoxy-type adhesive agent, a screw nail, and a wood screw.
図7に示すように、連結部材7は略ホームベース形状を呈しており、側板6b,6bの各ボルト穴6kに対応した位置に10個のボルト穴7aが設けられている。   As shown in FIG. 7, the connecting member 7 has a substantially home base shape, and ten bolt holes 7a are provided at positions corresponding to the bolt holes 6k of the side plates 6b and 6b.
本実施例の中間用覆蓋部材3bや点検口付覆蓋部材3cは、開口部2aの上方で沈殿池2の長手方向に移動できるようになっている。このような可動手段の構成を述べる。   The cover member 3b for intermediate | middle of this Example and the cover member 3c with an inspection port can be moved to the longitudinal direction of the sedimentation basin 2 above the opening part 2a. The configuration of such movable means will be described.
図8(a)または図8(b)に示すように、中間用覆蓋部材3bや点検口付覆蓋部材3cの蓋板6cには、キャスター固定用金具10を介して2個のキャスター11,11が取り付けられている。   As shown in FIG. 8 (a) or FIG. 8 (b), two casters 11, 11 are attached to the cover plate 6c of the intermediate cover member 3b and the cover member 3c with inspection port via a caster fixing bracket 10. Is attached.
キャスター固定用金具10は、縦板部10aと、横板部10bとによって構成され、キャスター固定用金具10の長手方向から見た断面形状はL字型を呈している。   The caster fixing metal fitting 10 is composed of a vertical plate portion 10a and a horizontal plate portion 10b, and the cross-sectional shape of the caster fixing metal fitting 10 viewed from the longitudinal direction is L-shaped.
縦板部10aが蓋板6cにボルトとナットで固定され、横板部10bにキャスター11,11がボルトとナットで取り付けられている。   The vertical plate portion 10a is fixed to the lid plate 6c with bolts and nuts, and the casters 11 and 11 are attached to the horizontal plate portion 10b with bolts and nuts.
このキャスター11の車輪部11aは周方向に溝が設けられたプーリー様の形状を呈しており、レール用金具5の縦板部5b上に車輪部11aが載っている際に、車輪部11aが縦板部5bの上端縁から脱落しないようになっている。   The wheel portion 11a of the caster 11 has a pulley-like shape with a groove in the circumferential direction. When the wheel portion 11a is placed on the vertical plate portion 5b of the rail bracket 5, the wheel portion 11a is It does not fall off from the upper edge of the vertical plate portion 5b.
キャスター11の取り付け位置の両側の側板6b及び補強板6eには、レール用金具5上にキャスター11を載せる際に、レール用金具5の縦板部5bと側板6b及び補強板6eとが干渉しないように切欠部6lが形成されている。   When the caster 11 is placed on the rail bracket 5 on the side plates 6b and the reinforcement plates 6e on both sides of the mounting position of the caster 11, the vertical plate portion 5b of the rail bracket 5, the side plates 6b, and the reinforcement plate 6e do not interfere with each other. Thus, a notch 6l is formed.
車輪部11aの回転面が蓋板6cに平行になるように固定されているので、中間用覆蓋部材3bや点検口付覆蓋部材3cは、これらの幅手方向に移動可能になっている。   Since the rotation surface of the wheel portion 11a is fixed so as to be parallel to the cover plate 6c, the intermediate cover member 3b and the cover member with inspection port 3c are movable in the width direction.
覆蓋部材3は張架手段を有している。この張架手段の構成を述べる。   The cover member 3 has stretching means. The configuration of this stretching means will be described.
図8(a)に示すように、中間用覆蓋部材3bや点検口付覆蓋部材3cの一方の蓋板6cには略中央に、覆蓋部材3の中央側に向けて長尺ボルト12が取り付けられている。   As shown in FIG. 8A, a long bolt 12 is attached to one cover plate 6c of the intermediate cover member 3b or the cover member 3c with inspection port at a substantially central position and toward the center side of the cover member 3. ing.
この長尺ボルト12には、ターンバックル13を介してアイボルト14が取り付けられており、アイボルト14のリング部14aには、ワイヤー15が通され、ワイヤー15を折り曲げた状態で、シャックル16で固定することによって、アイボルト14にワイヤー15の一方の端部が取り付けられている。   An eye bolt 14 is attached to the long bolt 12 via a turnbuckle 13. A wire 15 is passed through a ring portion 14 a of the eye bolt 14, and the wire 15 is bent and fixed with a shackle 16. Thus, one end of the wire 15 is attached to the eyebolt 14.
ワイヤー15の他方の端部も同様にして、中間用覆蓋部材3bや点検口付覆蓋部材3cの他方の蓋板6cに連結されている。   Similarly, the other end of the wire 15 is connected to the other cover plate 6c of the intermediate cover member 3b and the cover member 3c with inspection port.
このような張架手段によって両端の蓋板6c,6c間に張力を加える。ターンバックル13を回転させることによって、この張力を調整して部材の撓みなどによる中間用覆蓋部材3bや点検口付覆蓋部材3cの僅かな長さ変化を調整するようになっている。   Tension is applied between the cover plates 6c and 6c at both ends by such a stretching means. By rotating the turnbuckle 13, this tension is adjusted to adjust slight changes in the length of the intermediate cover member 3 b and the inspection cover cover member 3 c due to bending of the member.
〈施工方法〉
図9(a)または図9(b)に示すように、2枚の覆蓋パネル6,6の連結側端部同士を突き合わせた状態で、突き合わせ位置で、覆蓋パネル6の側板6bの両側面に連結部材7,7をそれぞれ両側から当接させて、側板6bのボルト穴6kと、連結部材7のボルト穴7aの位置を合わせ、ボルト8を挿通し、ボルト8とナット9とによって側板6bの両側から締め付けて覆蓋パネル6,6同士を連結する。
<Construction method>
As shown in FIG. 9 (a) or 9 (b), the connecting side end portions of the two cover panels 6 and 6 are butted to each other on both side surfaces of the side plate 6b of the cover panel 6 at the butting position. The connecting members 7 and 7 are brought into contact from both sides, the bolt holes 6k of the side plate 6b are aligned with the bolt holes 7a of the connecting member 7, the bolts 8 are inserted, and the bolts 8 and nuts 9 The cover panels 6 and 6 are connected by tightening from both sides.
図10または図11に示すように、沈殿池2の両側縁部2bに固定用金具4を取り付ける。   As shown in FIG. 10 or FIG. 11, fixing metal fittings 4 are attached to both side edges 2 b of the sedimentation basin 2.
固定用金具4には予め、ボルト穴4d,4dが設けられており、これらのボルト穴4d,4dの位置に対応して、沈殿池2の側縁部2bの上端部にコンクリートドリルで穴を開け、アンカー部材17を挿入する。   The fixing metal fitting 4 is provided with bolt holes 4d and 4d in advance. Corresponding to the positions of these bolt holes 4d and 4d, a hole is drilled with a concrete drill at the upper end of the side edge 2b of the settling basin 2. Open and insert the anchor member 17.
固定用金具4をアンカー部材17が埋め込まれたコンクリート床上に載せて、ボルト18をアンカー部材17に挿入して締め付ける。   The fixing bracket 4 is placed on the concrete floor in which the anchor member 17 is embedded, and the bolt 18 is inserted into the anchor member 17 and tightened.
図10または図11に示すように、沈殿池2の側縁部2bにレール用金物5を取り付ける。   As shown in FIG. 10 or FIG. 11, the rail hardware 5 is attached to the side edge 2 b of the settling basin 2.
レール用金物5のボルト穴5c,…の位置に対応して、沈殿池2の側縁部2bのコンクリート床上にコンクリートドリルで穴を開け、アンカー部材19を挿入する。   Corresponding to the positions of the bolt holes 5c of the rail hardware 5, a hole is made with a concrete drill on the concrete floor of the side edge 2b of the settling basin 2, and the anchor member 19 is inserted.
そして、レール用金物5をアンカー部材19が埋め込まれたコンクリート床上に載せて、ボルト20をアンカー部材19に挿入して締め付ける。   Then, the rail hardware 5 is placed on the concrete floor in which the anchor member 19 is embedded, and the bolt 20 is inserted into the anchor member 19 and tightened.
まず、端末用覆蓋部材3aの側板3d側を沈殿池2の長手方向外側に向けるようにして、端末用覆蓋部材3aをクレーンなどで吊して、沈殿池2の長手方向の一方の端部側に架け渡して設置する。   First, the terminal cover member 3a is hung with a crane or the like so that the side plate 3d side of the terminal cover member 3a faces the outside in the longitudinal direction of the sedimentation basin 2, and one end side in the longitudinal direction of the sedimentation basin 2 Installed over the bridge.
この際、沈殿池2の幅手方向両側部に予め取り付けられていた一方の固定用金具4の縦板部4bと、他方の固定用金具4の縦板部4bとの間に、端末用覆蓋部材3a両側端面を嵌合させる。   At this time, a terminal cover is provided between the vertical plate portion 4b of one fixing metal fitting 4 and the vertical plate portion 4b of the other fixing metal fitting 4 that are attached in advance to both sides in the width direction of the settling basin 2. The both end surfaces of the member 3a are fitted.
端末用覆蓋部材3aを設置した後に、図10または図11に示すように、固定用L字型金具21と固定用金具4とをボルトとナットとで連結する。   After installing the terminal cover member 3a, as shown in FIG. 10 or FIG. 11, the fixing L-shaped metal fitting 21 and the fixing metal fitting 4 are connected by a bolt and a nut.
次に、中間用覆蓋部材3bをクレーンなどで吊して、図10に示すように、沈殿池2の幅手方向両側部に予め取り付けられたレール用金物5の縦板5b上に中間用覆蓋部材3bの車輪部11aを載せて、中間用覆蓋部材3bを沈殿池2に架け渡す。   Next, the intermediate cover member 3b is hung with a crane or the like, and as shown in FIG. 10, the intermediate cover member is placed on the vertical plate 5b of the rail hardware 5 attached in advance to both sides in the width direction of the settling basin 2. The wheel portion 11 a of the member 3 b is placed and the intermediate cover member 3 b is bridged over the settling basin 2.
この際、中間用覆蓋部材3bの撓みによって車輪部11aがレール用金物5にうまく載らないときには、ターンバックル13を回して、中間用覆蓋部材3bの長手方向の長さを微調整して、車輪部11aがレール用金物5に載るように調整する。   At this time, when the wheel portion 11a does not fit well on the rail hardware 5 due to the bending of the intermediate cover member 3b, the turnbuckle 13 is turned to finely adjust the length of the intermediate cover member 3b in the longitudinal direction. It adjusts so that the part 11a may be mounted on the metal fitting 5 for rails.
車輪部11aがレール用金物5に載り中間用覆蓋部材3bが架け渡されたら、中間用覆蓋部材3bをレール用金物5上で沈殿池2の長手方向に滑らせて、既に設置されている端末用覆蓋部材3aに隣接させて設置する。   When the wheel 11a is placed on the rail hardware 5 and the intermediate cover member 3b is bridged, the intermediate cover member 3b is slid in the longitudinal direction of the settling basin 2 on the rail hardware 5, and the terminal already installed. It is installed adjacent to the cover member 3a.
そして、別の中間用覆蓋部材3bを次々にレール用金物5上に載せて架け渡しては、レール用金物5上を滑らせて、既に設置されている中間用覆蓋部材3bに隣接させて設置する。   Then, another intermediate cover member 3b is placed on the rail hardware 5 one after another, and is then slid on the rail hardware 5 so as to be adjacent to the already installed intermediate cover member 3b. To do.
必要に応じて、点検口付覆蓋部材3cを同様にして設置する。   If necessary, the cover member 3c with the inspection port is installed in the same manner.
このような作業を繰り返して、沈殿池2の長手方向の他方の端部側に達したら、端末用覆蓋部材3aを側板3d側を沈殿池2の長手方向外側に向けて設置する。   When such an operation is repeated and the other end side in the longitudinal direction of the settling basin 2 is reached, the terminal cover member 3a is installed with the side plate 3d side facing the outside in the longitudinal direction of the settling basin 2.
そして、設置された端末用覆蓋部材3aの長手方向両端部を沈殿池2の両側の側縁部2b,2bに、それぞれ固定用金具4,4を取り付ける。   And the metal fittings 4 and 4 for fixing are attached to the side edge parts 2b and 2b of the both sides of the sedimentation basin 2 at the longitudinal direction both ends of the installed terminal cover member 3a, respectively.
固定用金具4の固定用フランジ部4cを固定用L字型21を介して端末用覆蓋部材3aの蓋板6cに固定して設置作業を完了する。   The fixing flange 4c of the fixing bracket 4 is fixed to the cover plate 6c of the terminal cover member 3a via the fixing L-shaped 21 to complete the installation operation.
《連結部材の変形例》
連結部材7の変形例として、例えば、図12に示すような連結部材7Aを用いることができる。
<Modification of connecting member>
As a modification of the connecting member 7, for example, a connecting member 7A as shown in FIG. 12 can be used.
連結部材7Aは、連結板部7Aaと、2つの嵌合枠体7Ab,7Abとによって構成されている。   The connecting member 7A includes a connecting plate portion 7Aa and two fitting frames 7Ab and 7Ab.
嵌合枠体7Abは、ウエブ部7Acと、ウエブ部7Acの上下端縁から垂直に延びる一対のフランジ部7Ad,7Aeとによって構成されている。   The fitting frame body 7Ab includes a web portion 7Ac and a pair of flange portions 7Ad and 7Ae extending vertically from the upper and lower end edges of the web portion 7Ac.
フランジ部7Ad,7Aeには、それぞれボルト穴7Afが設けられている。   Bolt holes 7Af are provided in the flange portions 7Ad and 7Ae, respectively.
連結部材7Aによって連結される覆蓋パネルは、連結側端部の構成が覆蓋パネル6とは異なる覆蓋パネル6Aが用いられる。   As the cover panel connected by the connecting member 7 </ b> A, a cover panel 6 </ b> A that is different from the cover panel 6 in the configuration of the connection side end portion is used.
ここでは、覆蓋パネル6と異なる部分だけを述べる。   Here, only the parts different from the cover panel 6 will be described.
図13に示すように、側板6bの接合側端部6Abの板厚が、側板6bの他の部分より厚くなっている。   As shown in FIG. 13, the thickness of the joining side end 6Ab of the side plate 6b is thicker than other portions of the side plate 6b.
接合側端部6Abには、天板6aに垂直に長孔6Akが設けられている。   A long hole 6Ak is provided in the joining side end 6Ab perpendicularly to the top plate 6a.
天板6aの端部には、接合側端部6Abの外側端面が面一になるように、切欠きが設けられている。   A notch is provided at the end of the top plate 6a so that the outer end face of the joining side end 6Ab is flush.
図14に示すように、覆蓋パネル6A,6Aの連結側端部同士を突き合わせた状態で、連結部材7Aの一対の嵌合枠体7Ab,7Abを覆蓋パネル6A,6Aの接合側端部6Abに嵌め込み、覆蓋パネル6Aの長孔6Akと、フランジ部7Ad,7Aeのボルト穴7Af,7fの位置を合わせた状態で、長尺ボルト22を挿通し、長尺ボルト22とナット23とによって接合側端部6Abを締め付ける。   As shown in FIG. 14, the pair of fitting frames 7Ab and 7Ab of the connecting member 7A are connected to the joining side end 6Ab of the cover panels 6A and 6A in a state where the connection side ends of the cover panels 6A and 6A are butted together. The long bolt 22 is inserted in a state where the long hole 6Ak of the cover panel 6A and the bolt holes 7Af and 7f of the flange portions 7Ad and 7Ae are aligned, and the joint side end is connected by the long bolt 22 and the nut 23. Tighten part 6Ab.
〈作用効果〉
覆蓋パネル6は予め工場で製造されており、設置現場である下水処理場1では連結部材7によって連結するだけなので、覆蓋部材3の組み立てが容易に行える。
<Function and effect>
Since the cover panel 6 is manufactured in advance at the factory and is simply connected by the connecting member 7 in the sewage treatment plant 1 which is the installation site, the cover member 3 can be easily assembled.
そして、覆蓋部材3自体は10m以上のスパンを有しているが、組み立てる前の覆蓋パネル6は、約半分のスパンなので、工場から設置現場への搬送が容易に行える。   The cover member 3 itself has a span of 10 m or more, but the cover panel 6 before assembly is about half the span, so that it can be easily transported from the factory to the installation site.
また、両端の端末用覆蓋部材3aが固定用金具4によって、沈殿池2の側縁部2bに固定されるので、覆蓋部材3を安定して設置することができる。   Moreover, since the terminal cover members 3a at both ends are fixed to the side edge 2b of the settling basin 2 by the fixing metal fitting 4, the cover member 3 can be stably installed.
特に強風地域では、全ての覆蓋部材3を固定用金具4によって固定すれば、覆蓋部材3が飛ばされることがない。   In particular, in the strong wind region, if all the cover members 3 are fixed by the fixing brackets 4, the cover members 3 are not skipped.
更に、中間用覆蓋部材3bや点検口付覆蓋部材3cは可動手段を有しているので、設置施工をスムーズに行うことができる。   Furthermore, since the cover member 3b for intermediate | middle and the cover member 3c with an inspection port have a movable means, installation construction can be performed smoothly.
そして、中間用覆蓋部材3bや点検口付覆蓋部材3cは張架手段を有しているので、設置の際の撓みによる長さ変化を吸収することができ、設置施工が行い易い。   And since the cover member 3b for intermediate | middle and the cover member 3c with an inspection port have a tension | tensile_strength means, the length change by the bending at the time of installation can be absorbed, and installation construction is easy to perform.
また、覆蓋部材3の両側部に、パッキング材6i,6jが貼設されているので、隣接する覆蓋部材3同士で、これらのパッキング材6i,6jが密着して隙間を塞ぐので、沈殿池2からの臭気の漏れを軽減できる。   Moreover, since the packing materials 6i and 6j are affixed on the both sides of the cover member 3, since these packing materials 6i and 6j closely_contact | adhere with adjacent cover member 3 and block a gap, the sedimentation tank 2 The odor leakage from can be reduced.
更に、端末用覆蓋部材3aは、側板3dによって側部を塞いでいるので、沈殿池2からの臭気の漏れを軽減できる。   Furthermore, since the terminal cover member 3a closes the side portion with the side plate 3d, leakage of odor from the sedimentation basin 2 can be reduced.
そして、点検口付覆蓋部材3cには、点検口3eが取り付けられているので、点検口3eから沈殿池2内部を覗いて容易に点検できる。   And since the inspection port 3e is attached to the cover member 3c with an inspection port, the inside of the sedimentation basin 2 can be easily inspected from the inspection port 3e.
また、開口部2aの全体を複数の覆蓋部材3で覆った際には、全体として屋根型を呈しているので、雨が降った際に水はけがよい。   Further, when the entire opening 2a is covered with a plurality of cover members 3, since it has a roof shape as a whole, the drainage is good when it rains.
更に、覆蓋パネル6は、梁などの補強構造を有しているので、FFU単体の板に比べて強度が強く、10m以上の長スパンの覆蓋部材3が製造可能である。   Furthermore, since the cover panel 6 has a reinforcing structure such as a beam, the cover member 3 is stronger than a single FFU plate, and the cover member 3 having a long span of 10 m or more can be manufactured.
しかも、覆蓋パネル6はFFUによって形成されているので、耐腐食性があり、腐食性のガスに曝されても長期に渡り使用可能である。   Moreover, since the cover panel 6 is formed of FFU, it has corrosion resistance and can be used for a long time even if it is exposed to corrosive gas.
図15に示すように、開口部2aの幅手方向両側にL字型金物24,24をアンカー部材とボルトとによって取り付けて枠を形成し、この枠の内側に複数の覆蓋部材3を嵌め込む。   As shown in FIG. 15, L-shaped metal parts 24, 24 are attached to both sides in the width direction of the opening 2a by anchor members and bolts to form a frame, and a plurality of cover members 3 are fitted inside the frame. .
まず、端末用覆蓋部材3aをクレーンで吊して、側板3d側を沈殿池2の長手方向外側に向けて、沈殿池2の長手方向の一方の端部側に架け渡して設置する。   First, the terminal cover member 3a is hung with a crane, and the side plate 3d side is directed to the outer side in the longitudinal direction of the sedimentation basin 2 and is installed across one end side in the longitudinal direction of the sedimentation basin 2.
この際、沈殿池2の幅手方向両側に取り付けられた一方のL字型金物24の内側端面と他方のL字型金物24の内側端面との間に、覆蓋部材3の両側端面を嵌合させる。   At this time, the both end surfaces of the cover member 3 are fitted between the inner end surface of one L-shaped hardware 24 attached to both sides in the width direction of the sedimentation basin 2 and the inner end surface of the other L-shaped hardware 24. Let
覆蓋部材3の撓みによって覆蓋部材がL字型金物24,24間に入らないときには、ターンバックル13を回して、覆蓋部材3の長手方向の長さを微調整して、覆蓋部材3がL字型金物24,24間に嵌るように調整する。   When the cover member does not enter between the L-shaped metal parts 24, 24 due to the bending of the cover member 3, the turnbuckle 13 is turned to finely adjust the length of the cover member 3 in the longitudinal direction, so that the cover member 3 is L-shaped. Adjust to fit between molds 24,24.
次に、覆蓋部材3が架け渡されたら、別の覆蓋部材3を既に設置されている覆蓋部材3に隣接させて、次々に架け渡して設置する。   Next, when the cover member 3 is laid over, another cover member 3 is installed adjacent to the cover member 3 that has already been installed.
このような作業を繰り返して、沈殿池2の長手方向の他方の端部側に達したら、端末用覆蓋部材3aを側板3d側を沈殿池2の長手方向外側に向けて設置し、設置作業を完了する。   When such an operation is repeated and the other end side in the longitudinal direction of the settling basin 2 is reached, the terminal cover member 3a is installed with the side plate 3d facing the outside in the longitudinal direction of the settling basin 2, and the installation work is performed. Complete.
〈作用効果〉
L字型金物24によって枠体が形成されるので、支持部の施工が容易であるだけでなく、既設の水処理設備であっても、大規模な工事をすることなく覆蓋部材3の設置が可能である。
<Function and effect>
Since the frame is formed by the L-shaped hardware 24, not only the support portion can be easily constructed, but the cover member 3 can be installed without a large-scale construction even in the existing water treatment facility. Is possible.
図16に示すように、開口部2aの幅手方向両側の周壁に、溝部25,25を形成して、この溝部25,25に複数の覆蓋部材3を嵌め込む。   As shown in FIG. 16, groove portions 25, 25 are formed on the peripheral walls on both sides in the width direction of the opening 2 a, and a plurality of cover members 3 are fitted into the groove portions 25, 25.
図17に示すように、溝部25,25には、それぞれ補強用L字金具26,26が取り付けられている。   As shown in FIG. 17, L-shaped metal fittings 26 and 26 are attached to the grooves 25 and 25, respectively.
まず、端末用覆蓋部材3aをクレーンで吊して、側板3d側を沈殿池2の長手方向外側に向けて、沈殿池2の長手方向の一方の端部側に架け渡して設置する。   First, the terminal cover member 3a is hung with a crane, and the side plate 3d side is directed to the outer side in the longitudinal direction of the sedimentation basin 2 and is installed across one end side in the longitudinal direction of the sedimentation basin 2.
この際、沈殿池2の幅手方向両側部に予め設けられた一方の溝部25の補強用L字金具26の内側端面と他方の溝部25の補強用L字金具26の内側端面との間に、覆蓋部材3の両側端面を嵌合させる。   At this time, between the inner end face of the reinforcing L-shaped metal fitting 26 of the one groove portion 25 and the inner end face of the reinforcing L-shaped metal fitting 26 of the other groove portion 25 provided in advance on both sides in the width direction of the settling basin 2. The both end surfaces of the cover member 3 are fitted.
覆蓋部材3の撓みによって覆蓋部材3が補強用L字金具26,26間に入らないときには、ターンバックル13を回して、覆蓋部材3の長手方向の長さを微調整して、覆蓋部材3が補強用L字金具26,26間に嵌るように調整する。   When the cover member 3 does not enter between the reinforcing L-shaped metal fittings 26, 26 due to the bending of the cover member 3, the turnbuckle 13 is turned to finely adjust the length of the cover member 3 in the longitudinal direction. Adjust to fit between the reinforcing L-shaped metal fittings 26, 26.
次に、覆蓋部材3が架け渡されたら、別の覆蓋部材3を既に設置されている覆蓋部材3に隣接させて、次々に架け渡して設置する。   Next, when the cover member 3 is laid over, another cover member 3 is installed adjacent to the cover member 3 that has already been installed.
このような作業を繰り返して、沈殿池2の長手方向の他方の端部側に達したら、端末用覆蓋部材3aを側板3d側を沈殿池2の長手方向外側に向けて設置し、設置作業を完了する。   When such an operation is repeated and the other end side in the longitudinal direction of the settling basin 2 is reached, the terminal cover member 3a is installed with the side plate 3d facing the outside in the longitudinal direction of the settling basin 2, and the installation work is performed. Complete.
〈作用効果〉
開口部2a周囲のコンクリート自体に溝部25,25を形成して、この溝部25,25に複数の覆蓋部材3を嵌め込むので、強固な支持部が得られ、覆蓋部材3を設置した際に、安定した設置が望める。
<Function and effect>
Grooves 25, 25 are formed in the concrete around the opening 2a, and a plurality of cover members 3 are fitted into the grooves 25, 25, so that a strong support is obtained, and when the cover member 3 is installed, A stable installation can be expected.
以上、図面を参照して、本発明の最良の実施の形態を詳述してきたが、具体的な構成は、この実施の形態に限らず本発明の要旨を逸脱しない程度の設計的変更は本発明に含まれる。   Although the best embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to this embodiment. Included in the invention.
なお、実施例では、パッキング材6i,6jはゴム製であるとしたが、必ずしもゴム製である必要はない。例えば、シート状のビニールなどであってもよい。   In the embodiment, the packing materials 6i and 6j are made of rubber, but are not necessarily made of rubber. For example, a sheet-like vinyl may be used.
本発明に係る覆蓋部材が設置された沈殿池の斜視図である。It is a perspective view of a sedimentation basin in which the cover member concerning the present invention was installed. 本発明に係る覆蓋部材の斜視図である。(a)は沈殿池の端部に用いられる端末用覆蓋部材であり、(b)は端部以外に用いられる中間用覆蓋部材である。(c)は点検口が設けられた点検口付覆蓋部材である。It is a perspective view of the cover member concerning the present invention. (A) is the cover member for terminals used for the edge part of a sedimentation basin, (b) is the cover member for intermediate | middle used other than an edge part. (C) is a cover member with an inspection port provided with an inspection port. 実施例1に係る固定用金具及びレール用金具を取り付けた沈殿池の上面図である。It is a top view of the sedimentation basin which attached the metal fitting for fixation and the metal fitting for rails concerning Example 1. FIG. 実施例1に係る固定用金具及びレール用金具の斜視図である。(a)は覆蓋部材を沈殿池の側縁部に固定するための固定用金具、(b)は覆蓋部材を移動させる際の軌道となるレール用金具である。FIG. 3 is a perspective view of a fixing bracket and a rail bracket according to the first embodiment. (A) is a fixing metal fitting for fixing the cover member to the side edge of the sedimentation basin, and (b) is a rail metal fitting used as a track when moving the cover member. 本発明に係る中間用覆蓋部材の斜視図であり、2つの覆蓋パネルと、連結部材とに分解した分解斜視図である。FIG. 3 is a perspective view of an intermediate cover member according to the present invention, and is an exploded perspective view disassembled into two cover panels and a connecting member. 本発明に係る覆蓋部材を構成する覆蓋パネルの連結側端部を裏面側から見た部分破断斜視図である。It is the partial fracture | rupture perspective view which looked at the connection side edge part of the cover panel which comprises the cover member which concerns on this invention from the back surface side. 本発明に係る覆蓋パネルを連結する連結部材の斜視図である。It is a perspective view of the connection member which connects the cover panel which concerns on this invention. 可動手段と張架手段とが設けられた中間用覆蓋部材の端部の断面図であり、(a)は図1のA−A断面の断面図、(b)は(a)のB−B断面の断面図である。It is sectional drawing of the edge part of the intermediate | middle cover member provided with the movable means and the tension means, (a) is sectional drawing of the AA cross section of FIG. 1, (b) is BB of (a). It is sectional drawing of a cross section. 覆蓋部材の連結部分の図であり、(a)は部分斜視図、(b)は(a)のC−C断面の断面図である。It is a figure of the connection part of a cover member, (a) is a fragmentary perspective view, (b) is sectional drawing of CC cross section of (a). 沈殿池の角部の部分斜視図であり、沈殿池の端部に設置された端末用覆蓋部材と、この端末用覆蓋部材に隣接して配置される中間用覆蓋部材の端部の部分斜視図である。It is a fragmentary perspective view of the corner of a sedimentation basin, and is a partial perspective view of the end cover member for a terminal installed in the end of a sedimentation basin, and the end of an intermediate cover member arranged adjacent to this cover member for a terminal It is. 固定用金具によって固定された端末用覆蓋部材の端部の断面図であり、図10のD−D断面の断面図である。It is sectional drawing of the edge part of the terminal cover member fixed with the metal fitting for fixation, and is sectional drawing of the DD cross section of FIG. 変形例の連結部材の斜視図である。It is a perspective view of the connecting member of a modification. 変形例の連結部材によって連結される覆蓋パネルの連結側端部を裏面側から見た部分破断斜視図である。It is the partial fracture | rupture perspective view which looked at the connection side edge part of the cover panel connected by the connection member of a modification from the back surface side. 変形例の連結部材によって連結された覆蓋部材の連結部分の図であり、(a)は部分斜視図、(b)は(a)のE−E断面の断面図である。It is a figure of the connection part of the cover member connected by the connection member of a modification, (a) is a fragmentary perspective view, (b) is sectional drawing of the EE cross section of (a). 実施例2に係る沈殿池の斜視図であり、沈殿池の両側の側縁部にL字型金物によって枠が形成され、この枠と枠との間に覆蓋部材が設置されている様子を表した図である。It is a perspective view of the sedimentation basin concerning Example 2, and shows a mode that a frame is formed by the L-shaped metal fitting in the side edge part of the both sides of a sedimentation basin, and a cover member is installed between this frame. FIG. 実施例3に係る沈殿池の斜視図であり、開口部の幅手方向両側の周壁に溝が形成され、この溝と溝との間に覆蓋部材が設置されている様子を表した図である。It is a perspective view of a sedimentation basin concerning Example 3, and is a figure showing signs that a slot is formed in a peripheral wall of both sides in the width direction of an opening, and a cover member is installed between this slot. . 実施例3に係る中間用覆蓋部材の端部の断面図であり、図16のF−F断面の断面図である。It is sectional drawing of the edge part of the intermediate | middle cover member which concerns on Example 3, and is sectional drawing of the FF cross section of FIG.
符号の説明Explanation of symbols
1 下水処理施設(水処理施設)
2 沈殿池(水槽)
2a 開口部
2b 側縁部(上縁部)
3a 端末用覆蓋部材(覆蓋部材)
3b 中間用覆蓋部材(覆蓋部材)
3c 点検口付覆蓋部材(覆蓋部材)
6,6A 覆蓋パネル(パネル部材)
7,7A 連結部材
6a 天板
6b 側板
6d 梁板
6i,6j パッキング材
3e 点検口
24 L字型金物
1 Sewage treatment facility (water treatment facility)
2 Sedimentation basin (water tank)
2a Opening 2b Side edge (upper edge)
3a Terminal cover member (cover member)
3b Intermediate cover member (cover member)
3c Cover member with inspection port (cover member)
6,6A Cover panel (panel member)
7, 7A Connecting member 6a Top plate 6b Side plate 6d Beam plates 6i, 6j Packing material 3e Inspection port 24 L-shaped hardware

Claims (11)

  1. 水処理施設に設置された水槽の上部に上面視形状が略長方形状を呈した開口部が設けられ、該開口部の周縁を構成する構成壁の上縁部に前記開口部を跨いで複数隣接して架け渡すことによって前記開口部の上部を覆う覆蓋部材であって、
    板材によって構成され平面視形状が略長方形状を呈した長尺の2つのパネル部材と、該2つのパネル部材の長手方向一端縁同士を斜めに連結する連結部材とを有し、
    前記2つのパネル部材が前記連結部材によって連結されていることを特徴とする覆蓋部材。
    The upper part of the water tank installed in the water treatment facility is provided with an opening having a substantially rectangular shape when viewed from above, and a plurality of adjoining the upper edges of the constituent walls constituting the periphery of the opening across the opening And a cover member that covers the upper part of the opening by spanning,
    Two long panel members that are configured by a plate material and have a substantially rectangular shape in plan view, and a connecting member that obliquely connects one end edge in the longitudinal direction of the two panel members,
    The cover member, wherein the two panel members are connected by the connecting member.
  2. 略長方形状の天板と、該天板の幅手方向両端付近に垂直に接合された略長方形状の側板と、該各側板の間にハシゴ状に介装された複数の梁板とから成る板材によって前記パネル部材が構成されていることを特徴とする請求項1に記載された覆蓋部材。   A plate material comprising a substantially rectangular top plate, a substantially rectangular side plate vertically joined near both ends in the width direction of the top plate, and a plurality of beam plates interposed in a ladder shape between the side plates. The cover member according to claim 1, wherein the panel member is configured by.
  3. 前記板材がガラス長繊維により強化された発泡ウレタン樹脂によって形成されていることを特徴とする請求項2に記載された覆蓋部材。   The cover member according to claim 2, wherein the plate material is formed of a urethane foam resin reinforced with long glass fibers.
  4. 前記上縁部への架け渡し方向の長さが10m以上の長さを有していることを特徴とする請求項3に記載された覆蓋部材。   The cover member according to claim 3, wherein a length in a bridging direction to the upper edge portion has a length of 10 m or more.
  5. 前記上縁部に固定する固定手段を有していることを特徴とする請求項1乃至請求項4に記載された覆蓋部材。   The cover member according to claim 1, further comprising fixing means for fixing to the upper edge portion.
  6. 前記開口部に沿って移動可能とする可動手段を有していることを特徴とする請求項1乃至請求項5に記載された覆蓋部材。   The cover member according to any one of claims 1 to 5, further comprising movable means that can move along the opening.
  7. 長手方向両端部間に張力を加えて撓み量を変えることにより前記上縁部への架け渡し方向の長さを調整する張架手段を有することを特徴とする請求項1乃至請求項6に記載された覆蓋部材。   7. A tensioning means for adjusting a length in a bridging direction to the upper edge portion by changing a deflection amount by applying a tension between both longitudinal end portions. Cover member.
  8. 幅手方向両側部にパッキング材が貼設されていることを特徴とする請求項1乃至請求項7に記載された覆蓋部材。   The cover member according to claim 1, wherein a packing material is attached to both sides in the width direction.
  9. 前記少なくとも一方のパネル部材の長手方向端部付近に前記水槽内を点検するための点検口が設けられていることを特徴とする請求項1乃至請求項8に記載された覆蓋部材。   The cover member according to any one of claims 1 to 8, wherein an inspection port for inspecting the inside of the water tank is provided in the vicinity of an end portion in the longitudinal direction of the at least one panel member.
  10. 請求項1乃至請求項9に記載された覆蓋部材の設置方法であって、
    工場で製造された前記パネル部材を前記水処理施設に搬送し、該水処理施設において前記連結部材によって連結し、前記水槽に設置することを特徴とする覆蓋部材の設置方法。
    It is the installation method of the cover member described in Claim 1 thru | or 9, Comprising:
    A method for installing a cover member, comprising transporting the panel member manufactured in a factory to the water treatment facility, connecting the panel member with the connection member in the water treatment facility, and installing the panel member in the water tank.
  11. 請求項1乃至請求項9に記載された覆蓋部材の設置方法であって、
    前記上縁部に長手方向横断面形状がL字型を呈したL字型金物によって、前記覆蓋部材を嵌合させる枠体を形成し、該枠体間に前記覆蓋部材を並設して設置することを特徴とする覆蓋部材の設置方法。
    It is the installation method of the cover member described in Claim 1 thru | or 9, Comprising:
    A frame body for fitting the cover member is formed by an L-shaped hardware having an L-shaped longitudinal cross-sectional shape at the upper edge portion, and the cover member is installed in parallel between the frame bodies. An installation method for a cover member, characterized in that:
JP2006199113A 2006-07-21 2006-07-21 Cover member Expired - Fee Related JP4928183B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014079720A (en) * 2012-10-18 2014-05-08 Sekisui Chem Co Ltd Cover lid for water treatment facility

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Publication number Priority date Publication date Assignee Title
JPS57173880A (en) * 1981-04-20 1982-10-26 Oki Electric Ind Co Ltd Memory for character pattern
JPH03125857U (en) * 1990-03-31 1991-12-19
JPH10297659A (en) * 1997-04-23 1998-11-10 Kaidou Kogyo:Kk Lid receiving structure of container, lid receiving frame constituting the same, and method for forming lid receiving structure of container using the lid receiving frame
JP2002002877A (en) * 2000-06-19 2002-01-09 Sekisui Chem Co Ltd Reinforcing structure of cover lid and method for reinforcing cover lid
JP2002088739A (en) * 2000-09-19 2002-03-27 Sekisui Chem Co Ltd Arched covering lid
JP2003012086A (en) * 2001-06-29 2003-01-15 Takiron Co Ltd Covering lid
JP2004196339A (en) * 2002-12-18 2004-07-15 Tokyo Metropolis Cover structure of vertical tank opening
JP2006103796A (en) * 2004-09-07 2006-04-20 Furukawa Sky Kk Cover device for water tank

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173880A (en) * 1981-04-20 1982-10-26 Oki Electric Ind Co Ltd Memory for character pattern
JPH03125857U (en) * 1990-03-31 1991-12-19
JPH10297659A (en) * 1997-04-23 1998-11-10 Kaidou Kogyo:Kk Lid receiving structure of container, lid receiving frame constituting the same, and method for forming lid receiving structure of container using the lid receiving frame
JP2002002877A (en) * 2000-06-19 2002-01-09 Sekisui Chem Co Ltd Reinforcing structure of cover lid and method for reinforcing cover lid
JP2002088739A (en) * 2000-09-19 2002-03-27 Sekisui Chem Co Ltd Arched covering lid
JP2003012086A (en) * 2001-06-29 2003-01-15 Takiron Co Ltd Covering lid
JP2004196339A (en) * 2002-12-18 2004-07-15 Tokyo Metropolis Cover structure of vertical tank opening
JP2006103796A (en) * 2004-09-07 2006-04-20 Furukawa Sky Kk Cover device for water tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014079720A (en) * 2012-10-18 2014-05-08 Sekisui Chem Co Ltd Cover lid for water treatment facility

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