JP2509940Y2 - Manhole concrete driving equipment - Google Patents

Manhole concrete driving equipment

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Publication number
JP2509940Y2
JP2509940Y2 JP1990040726U JP4072690U JP2509940Y2 JP 2509940 Y2 JP2509940 Y2 JP 2509940Y2 JP 1990040726 U JP1990040726 U JP 1990040726U JP 4072690 U JP4072690 U JP 4072690U JP 2509940 Y2 JP2509940 Y2 JP 2509940Y2
Authority
JP
Japan
Prior art keywords
receiving frame
manhole
positioning plate
paper tube
nut
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP1990040726U
Other languages
Japanese (ja)
Other versions
JPH041240U (en
Inventor
昭三 小林
Original Assignee
カネソウ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by カネソウ株式会社 filed Critical カネソウ株式会社
Priority to JP1990040726U priority Critical patent/JP2509940Y2/en
Publication of JPH041240U publication Critical patent/JPH041240U/ja
Application granted granted Critical
Publication of JP2509940Y2 publication Critical patent/JP2509940Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 [産業上の利用分野] 本考案は、マンホールの構築に使用されるコンクリー
ト打込施工装置に関する。
[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a concrete driving device used for constructing a manhole.

[従来技術] 従来のマンホールの構築手段を第10図について説明す
る。
[Prior Art] A conventional manhole building means will be described with reference to FIG.

まず、水平支持枠a上にマンホールxの内径よりも大
きな外径の段付型枠bを乗載し、該型枠bの周囲に基礎
面となるスラブコンクリートcを所定レベルで打込ん
で、凝固するまで放置する(第10図イ)。
First, a stepped form b having an outer diameter larger than the inner diameter of the manhole x is mounted on the horizontal support frame a, and a slab concrete c serving as a foundation surface is driven around the form b at a predetermined level. Let stand until it solidifies (Fig. 10A).

次に、コンクリートcの凝固後に支持枠aと、型枠b
を除去する。そして、型枠bの除去後に生じた段付孔d
の段上に、レベル調整用のモルタルeを介してマンホー
ル蓋の受枠fを乗載し、その高さを調整する(第10図
ロ)。然る後に、段付孔dの内面に、マンホールxの内
周面となる仕上モルタルgを塗り込み、さらに受枠f
と、コンクリートc間にも仕上モルタルhを埋め込む
(第10図ハ)。
Next, after solidification of the concrete c, the supporting frame a and the form b
Is removed. Then, the stepped hole d formed after the removal of the form b
The receiving frame f of the manhole cover is mounted on the step of the through the mortar e for level adjustment, and the height thereof is adjusted (Fig. 10B). After that, the inner surface of the stepped hole d is coated with a finishing mortar g which becomes the inner peripheral surface of the manhole x, and the receiving frame f
Then, the finishing mortar h is also embedded between the concrete c (Fig. 10C).

ところで、上述の施工手段にあっては、スラブコンク
リートcの凝固後(凝固は通常1週間以上)に受枠を配
置し、さらにモルタルe,g,hの凝固により完成するもの
であるから、工期が長くなり、モルタルeにより受枠f
のレベル調整をするものであるから、そのレベル出しが
原始的なため面倒であり、しかも必ずしも水平に調整で
きない。さらにはマンホールxの内面を仕上モルタルg
の塗り込みによって施すものであるから、施工に手間が
かかり、熟練を要する。
By the way, in the above-mentioned construction means, the receiving frame is arranged after the slab concrete c is solidified (solidification is usually for 1 week or more), and the mortar e, g, h is further solidified, so that the construction period is Longer, receiving frame f due to mortar
Since it is to adjust the level of, it is troublesome because the level setting is primitive, and moreover, it cannot always be adjusted horizontally. Furthermore, the inner surface of the manhole x is finished with mortar g
Since it is applied by coating, it requires time and effort and requires skill.

[考案が解決しようとする問題点] そこで、かかる従来構成の問題点を除去するものとし
て、第11図に示すようにコンクリートの水平支持枠a上
に固定されるマンホールの入口内周面となる筒状の下部
打込金具nと、上縁に乗載片qが周設され、下部打込金
具nの上縁に嵌着して昇降可能に支持される環状の上部
打込金具rとからなるものが提案された。
[Problems to be Solved by the Invention] In order to eliminate the problems of the conventional structure, the inner peripheral surface of the inlet of the manhole is fixed on the concrete horizontal support frame a as shown in FIG. A cylindrical lower driving metal fitting n and an annular upper driving metal fitting r, which is provided around the upper edge thereof and is fitted around the upper edge of the lower driving metal fitting n so as to be lifted and lowered. Was proposed.

かかる構成にあっては、コンクリートの水平支持枠a
上に下部打込金具nを乗載し、その下縁に形成した取付
鍔片mを水平支持枠aに固着しておき、乗載片qに受枠
pをあらかじめ固定しておいた上部打込金具rを下部打
込金具nの上縁に嵌着し、その高さを調整して保持した
後に、上部打込金具rと、下部打込金具nの連結体の周
囲に、スラブコンクリートを所定レベルで打込むことに
より、マンホールが構築されるものである。
In such a structure, the concrete horizontal support frame a
A lower driving metal fitting n is mounted on the upper side, a mounting flange piece m formed on the lower edge thereof is fixed to a horizontal support frame a, and a receiving frame p is previously fixed to the mounting piece q. After fitting the metal fitting r to the upper edge of the lower driving metal fitting n and adjusting and holding the height thereof, a slab concrete is provided around the connecting body of the upper driving metal fitting r and the lower driving metal fitting n. The manhole is constructed by driving at the level.

ところで、このように下部打込金具nと、上部打込金
具rとを用いる構成にあっては、 イ) 鉄板を円筒状に曲げて打込金具n,rを形成する必
要があり、加工に手間がかかりコスト高となる。
By the way, in such a configuration using the lower driving metal fitting n and the upper driving metal fitting r, it is necessary to bend the iron plate into a cylindrical shape to form the driving metal fittings n and r. This is time-consuming and costly.

ロ) マンホールの径が大きなものにあっては、打込み
金具の径が大きくなり、搬送が面倒である。
B) If the diameter of the manhole is large, the diameter of the driving metal fitting will be large and the transportation will be troublesome.

ハ) 下部打込金具nの内面はマンホールの内面を構成
するものであるから、錆付き防止のために表面処理を施
す必要があり工程数が多い。
C) Since the inner surface of the lower driving metal fitting n constitutes the inner surface of the manhole, it is necessary to perform a surface treatment to prevent rusting, and the number of steps is large.

等の欠点があった。There were drawbacks such as.

[問題点を解決するための手段] 本考案のコンクリート打込施工装置は、 マンホール蓋の受枠の内径とほぼ等しい外径を備え、
コンクリートの水平支持枠上でマンホール蓋の受枠に内
接して、該マンホールの入口内周面を規定する紙製筒管
と、 内端部に、先端が前記紙製筒管に弾性的に食い込む逆
U字状に湾曲した弾接端縁を備え、該弾接端縁を前記紙
製筒管の外面に接触して紙製筒管の外方で水平支持枠上
に固定される複数の位置決め板と、 マンホール蓋の受枠に周設される乗載鍔に形成された
連結孔と、前記位置決め板間に上下方向へ差し渡され
て、該受枠を位置決め板に連結する連結杆 とを備えてなるものである。
[Means for Solving Problems] The concrete placing construction device of the present invention has an outer diameter substantially equal to the inner diameter of the receiving frame of the manhole cover,
A paper tube that is inscribed on the receiving frame of the manhole cover on a concrete horizontal support frame and defines the inner peripheral surface of the inlet of the manhole, and an inner end that reverses the tip elastically bites into the paper tube. A plurality of positioning plates having a U-shaped curved elastic contact edge, and the elastic contact edge being in contact with the outer surface of the paper tube and being fixed on the horizontal support frame outside the paper tube. And a connecting hole formed in the mounting collar around the receiving frame of the manhole cover, and a connecting rod that is vertically extended between the positioning plates and connects the receiving frame to the positioning plate. It is a thing.

また前記基本構成にあって、位置決め板にナットの両
端縁を支持して該ナットを内外方向へ摺動可能に保持す
る摺動案内溝を設け、乗載鍔の連結孔と、前記位置決め
板間に上下方向へ差し渡す連結杆の下端に形成した雄螺
子を、前記ナットに螺合して該受枠を位置決め板に連結
することもできる。
Further, in the above basic structure, the positioning plate is provided with a slide guide groove for supporting both end edges of the nut so as to hold the nut slidably inward and outward, and the connecting hole of the mounting flange and the positioning plate It is also possible to connect a male screw formed at the lower end of the connecting rod which is vertically passed over to the nut with the nut so as to connect the receiving frame to the positioning plate.

[作用] 先ずコンクリートの水平支持枠a上に複数の位置決め
板を放射状に配置して、その弾接端縁を紙製筒管の外面
に接触させ、その位置で各位置決め板を水平支持枠に保
持する。このとき弾接端縁の先端が前記紙製筒管に弾性
的に食い込むため、紙製筒管の上下方向の移動も阻止さ
れる。次に該位置決め板上に連結杆を保持し、該連結管
を受枠の連結孔に通して、該受枠を位置決め板上に固定
する。
[Operation] First, a plurality of positioning plates are radially arranged on the concrete horizontal supporting frame a, and the elastic contact edges thereof are brought into contact with the outer surface of the paper tube, and at that position, each positioning plate is used as the horizontal supporting frame. Hold. At this time, the tip of the elastic contact edge elastically bites into the paper tube, so that the vertical movement of the paper tube is also prevented. Next, the connecting rod is held on the positioning plate, the connecting pipe is passed through the connecting hole of the receiving frame, and the receiving frame is fixed on the positioning plate.

ここで、位置決め板に摺動案内溝を設けて、ナットを
摺動可能に保持した構成にあっては、該ナットを移動調
整することにより、ナットに下端の雄螺子を螺合した連
結杆を乗載鍔の連結孔と上下で無理なく一致させること
ができ、受枠の位置決め許容誤差が広がり、施工が容易
となる。
Here, in the configuration in which the positioning plate is provided with the sliding guide groove and the nut is slidably held, the connecting rod in which the male screw at the lower end is screwed into the nut is adjusted by moving and adjusting the nut. The connection holes of the mounting flange can be easily matched with each other in the upper and lower directions, the positioning tolerance of the receiving frame is widened, and the construction becomes easy.

然る後に前記紙製筒管の周囲にコンクリートを打込
む。そしてこの凝固後に紙製筒管をコンクリート面から
剥離する。
After that, concrete is poured around the paper tube. After this solidification, the paper tube is separated from the concrete surface.

[実施例] 添付図面について本考案の一実施例を説明する。[Embodiment] An embodiment of the present invention will be described with reference to the accompanying drawings.

第1,2図中1aは直方状の金属製位置決め板であって、
一端側に内側に螺子孔3を備えるナット2が溶接され、
他端側の端縁に鳩首状に湾曲して、その先端に弾性作用
を生じさせた弾性弾接端縁4aが曲成されている。該位置
決め板1aは合成樹脂製であっても良い。また前記ナット
2aの両側には釘打込用の固定孔5,5が穿設されている。
1a in FIGS. 1 and 2 is a rectangular metal positioning plate,
A nut 2 having a screw hole 3 inside is welded to one end side,
An elastic elastic contact edge 4a, which is curved like a dovetail and has an elastic action at its tip, is bent at the edge on the other end side. The positioning plate 1a may be made of synthetic resin. Also the nut
Fixing holes 5, 5 for nailing are formed on both sides of 2a.

10は紙製筒管であって、第2,3図に示すようにマンホ
ール蓋の受枠21の内径とほぼ等しい外径を備えている。
この紙製筒管10の高さは長尺状の紙筒から現場で切り出
せば良く、金属製のものと異なり、あらかじめ数種の高
さのものを用意しておく必要がない。
Reference numeral 10 denotes a paper pipe tube having an outer diameter substantially equal to the inner diameter of the receiving frame 21 of the manhole cover as shown in FIGS.
The height of the paper tube 10 may be cut out from a long paper tube in the field, and unlike a metal tube, it is not necessary to prepare several kinds of heights in advance.

しかも、この紙製筒管10の長さは、コンクリートの水
平支持枠20と受枠21の内部下端までの高さ以上の長さが
あればよく、その切断長を厳密に規定されないから、切
断作業が極めて容易である。
Moreover, the length of the paper pipe tube 10 is not less than the height of the concrete horizontal support frame 20 and the inner lower end of the receiving frame 21, and the cutting length is not strictly defined. Is extremely easy.

次にマンホール蓋の受枠の固定手段について説明す
る。
Next, the fixing means of the receiving frame of the manhole cover will be described.

まず第5図に示すように紙製筒管10が所要のマンホー
ル位置となるように位置決めし、その外方で位置決め板
1aを、弾接端縁4aが内側となるようにして四枚放射状に
配設する。そして各弾接端縁4aが紙製筒管10の下部外面
に四方から弾接し、その先端が該外面に食い込む位置
で、各位置決め板1aの固定孔5,5に釘を水平支持枠20側
に打ち込んで、各位置決め板1aを水平支持枠20上に固定
する。
First, as shown in FIG. 5, the paper tube 10 is positioned so as to be at the required manhole position, and the positioning plate is provided outside thereof.
Four 1a are radially arranged with the elastic contact edge 4a being on the inner side. Then, each elastic contact edge 4a elastically contacts the lower outer surface of the paper tube 10 from four directions, and the tip of the elastic contact edge 4a bites into the outer surface, and the nail is fixed to the fixing holes 5 and 5 of each positioning plate 1a on the horizontal support frame 20 side. To position each positioning plate 1a on the horizontal support frame 20.

この場合に、まず位置決め板1aを墨出し線を付す等し
て正確に位置決め固定しておいてから、紙製筒管10を各
当接端4a内に内嵌しても良い。
In this case, first, the positioning plate 1a may be accurately positioned and fixed by marking lines or the like, and then the paper tube 10 may be fitted into each contact end 4a.

而して、各弾接端縁4aの先端が紙製筒管10に弾性的に
食い込み、このため該筒管10は上方移動不能に保持され
ることとなる。
Thus, the tip of each elastic contact edge 4a elastically digs into the paper tube 10, so that the tube 10 is held immovable upward.

この様に固定された位置決め板1aには第1,2図に示す
ように雄螺子17を形成された連結杆16を、雄螺子17の下
端部を位置決め板1aのナット2aの螺子孔3に螺合するこ
とにより立設する。尚、連結杆16の雄螺子17は上下端部
にのみ形成しても良い。そして受枠21を紙製筒管10の上
端部で、該紙製筒管10に外嵌して、その受枠21に周設さ
れる乗載鍔22に形成された連結孔23に、前記連結杆16の
上端を挿通し、雄螺子17に螺合したナット18aにより受
枠21を支持する。このとき、ナット18aの螺合位置を適
宜に調整することにより、受枠21を随意に高さ調整及び
平行度調整することができる。
The positioning plate 1a fixed in this way is provided with a connecting rod 16 having a male screw 17 as shown in FIGS. 1 and 2, and the lower end of the male screw 17 is fitted into the screw hole 3 of the nut 2a of the positioning plate 1a. Stand up by screwing. The male screw 17 of the connecting rod 16 may be formed only on the upper and lower ends. Then, the receiving frame 21 is externally fitted to the paper-made tubular tube 10 at the upper end portion of the paper-made tubular tube 10, and is connected to the connecting hole 23 formed in the mounting collar 22 provided around the receiving frame 21. The upper end of 16 is inserted and the receiving frame 21 is supported by the nut 18a screwed to the male screw 17. At this time, by appropriately adjusting the screwing position of the nut 18a, it is possible to arbitrarily adjust the height and the parallelism of the receiving frame 21.

而して、前記受枠21は最適高さとなる。そして連結孔
23から突出した雄螺子17の上端部に固定用ナット18bを
螺合して、前記受枠21を連結杆16により位置決め板1a上
に支持する。一方、前記受枠21の内側には合成樹脂,発
砲スチロール等の成形容易な材質により該受枠21の内面
に密嵌する形状を備えた養生カバー27が嵌着される。該
養生カバー27は円周を四分割した円弧状をしており、該
受枠21の内面に四枚の養生カバー27が嵌着され、前記紙
製筒管10に外接する。
Thus, the receiving frame 21 has an optimum height. And connecting holes
A fixing nut 18b is screwed onto the upper end portion of the male screw 17 protruding from 23, and the receiving frame 21 is supported by the connecting rod 16 on the positioning plate 1a. On the other hand, a curing cover 27 having a shape that is closely fitted to the inner surface of the receiving frame 21 is fitted to the inside of the receiving frame 21 by using a material such as synthetic resin or foamed polystyrene that can be easily molded. The curing cover 27 has an arc shape in which the circumference is divided into four, and four curing covers 27 are fitted on the inner surface of the receiving frame 21 and circumscribe the paper tube 10.

そして次に、紙製筒管10の周囲にスラブコンクリート
24を打込み、その上面高さを受枠21の上縁と一致させ
る。このとき前記養生カバー27により、スラブコンクリ
ート24の打ち込みによって受枠21が汚されない。
And then, slab concrete around the paper tube 10.
24 is driven in, and the height of the upper surface thereof is matched with the upper edge of the receiving frame 21. At this time, the curing frame 27 prevents the receiving frame 21 from being soiled by the driving of the slab concrete 24.

このスラブコンクリート24が凝固した後に水平支持枠
20,紙製筒管10及び養生カバー27を順次除去する。これ
により、第6図に示すように受枠21はコンクリート24に
より埋設施工されると共に、紙製筒管10により規定され
たマンホール25が形成されることとなる。
After this slab concrete 24 has solidified horizontal support frame
20, The paper tube 10 and the curing cover 27 are sequentially removed. As a result, as shown in FIG. 6, the receiving frame 21 is buried in the concrete 24 and the manhole 25 defined by the paper tube 10 is formed.

第7,8図は他の実施例の位置決め板1bを示すものであ
って、当接片30と、摺動案内片31と、ナット32とで構成
される。
7 and 8 show a positioning plate 1b of another embodiment, which is composed of a contact piece 30, a slide guide piece 31, and a nut 32.

前記当接片30は、前部を鳩首状に湾曲して、その前部
に弾性作用を付与した弾接端縁4bが曲成され、後部に内
側へ湾曲させた弾性嵌着片33を備えた金属板からなる。
また摺動案内片31は、基板37上に二条のL形係止片34,3
4を挿入間隔を置いて対向状に形成して、その内部に摺
動案内溝35を形成してなる。そして、前記当接片30の弾
性嵌着片33を前記摺動案内溝35に内端から密嵌すること
により、前記当接片30と、摺動案内片31とは連結され
る。そして、さらに摺動案内溝35の後端からナット32を
挿入し、しかして位置決め板1bが構成されることとな
る。
The abutting piece 30 has a front portion curved in a dovetail shape, and an elastic contact edge 4b having an elastic action applied to the front portion is bent, and an elastic fitting piece 33 curved inward is provided at the rear portion. It consists of a metal plate.
In addition, the sliding guide piece 31 includes two L-shaped locking pieces 34, 3 on the board 37.
4 are formed to face each other with an insertion interval, and a slide guide groove 35 is formed inside thereof. Then, the elastic fitting piece 33 of the contact piece 30 is tightly fitted into the sliding guide groove 35 from the inner end, whereby the contact piece 30 and the sliding guide piece 31 are connected. Then, the nut 32 is further inserted from the rear end of the slide guide groove 35, and thus the positioning plate 1b is configured.

かかる構成にあっては、前記ナット32はその二側面を
摺動案内溝35に規制されて、内外方向への移動調整が可
能となる。このため、第8図のように連結杆16の下端の
雄螺子17を位置決め板1bのナット32に螺合して立設した
後、この位置が受枠21の連結孔23と一致しない場合に、
これを移動調整して一致させることが可能となる。この
ため受枠21の位置設定の許容誤差が広がり、その取付け
を無理なく行なうことができる。
In such a configuration, the nut 32 has its two side surfaces regulated by the sliding guide grooves 35, so that the movement of the nut 32 in the inward and outward directions can be adjusted. Therefore, when the male screw 17 at the lower end of the connecting rod 16 is screwed onto the nut 32 of the positioning plate 1b to stand upright as shown in FIG. 8, and when this position does not coincide with the connecting hole 23 of the receiving frame 21,
This can be moved and adjusted to match. For this reason, the tolerance of the position setting of the receiving frame 21 is widened, and the mounting can be performed without difficulty.

そこで、かかる位置調整後に連結孔23に連結杆16の上
端を挿通し、雄螺子17bに螺合したナット18aにより受枠
21を支持し、そして連結孔23から突出した雄螺子17bに
固定用ナット18bを螺合して、受枠21を連結杆16により
位置決め板1b上に支持することとなる。
Therefore, after such position adjustment, the upper end of the connecting rod 16 is inserted into the connecting hole 23, and the receiving frame is received by the nut 18a screwed to the male screw 17b.
The supporting nut 21 is supported, and the fixing nut 18b is screwed into the male screw 17b protruding from the connecting hole 23, so that the receiving frame 21 is supported by the connecting rod 16 on the positioning plate 1b.

その他の施工手順は上述した第一実施例と同様であ
り、説明を省略する。
The other construction procedures are the same as those in the first embodiment described above, and the description thereof will be omitted.

[考案の効果] 本考案は、上述のように水平支持枠上に固定した位置
決め板により紙製筒管を保持し、かつ位置決め板上に連
結杆により受枠を保持し、然る後に紙製筒管の周囲にコ
ンクリートを打込むようにしたものであり、 イ) コンクリートの凝固後には、水平支持枠,紙製筒
管等を除去するのみで良いから、工事が効率的かつ短期
間ですむ。
[Advantage of the Invention] The present invention holds the paper tube by the positioning plate fixed on the horizontal support frame as described above, and holds the receiving frame by the connecting rod on the positioning plate, and then the paper tube. Concrete is driven around the pipe, and a) After the solidification of concrete, only the horizontal support frame and the paper pipe tube need be removed, so the construction work is efficient and takes a short period of time.

ロ) 紙製筒管1は長尺状紙筒の切断作業により、その
長さの厳格な設定を要することなく製作可能であり、こ
のため現場で簡易に製造できるから、あらかじめ企画寸
法のものを用意する必要がない。しかも紙製であるか
ら、径大なものでも軽量となり、搬送及び取扱が容易で
ある ハ) 打込み金具を用いるものと異なり、複雑な金属加
工を要せず、加工費が低廉となる。
B) The paper cylinder tube 1 can be manufactured by cutting a long paper cylinder without strict setting of its length. Therefore, the paper cylinder tube 1 can be manufactured easily on site. No need to prepare. Moreover, since it is made of paper, it is lightweight even if it has a large diameter, and it is easy to carry and handle. C) Unlike the one using a hammer, it does not require complicated metal processing and the processing cost is low.

ニ) 内端部に、先端が前記紙製筒管に弾性的に食い込
む逆U字状に湾曲した弾接端縁を備えた位置決め板を適
用したから、他の構成を付与することなく、筒管10は上
方移動不能となり、安定的に保持されることとなる。
D) A positioning plate having an elastic U-shaped curved edge whose tip elastically bites into the paper cylinder tube is applied to the inner end, so that the cylinder can be formed without adding any other structure. The pipe 10 cannot be moved upward and is stably held.

ホ) 位置決め板に摺動案内溝を設けて、該案内溝によ
りナットを内外方向へ移動調整可能とし、該ナットによ
り受枠を保持する連結杆を移動可能に固定した構成にあ
っては、受枠の位置設定の許容誤差が広がり、施工が容
易となる。
E) A sliding guide groove is provided on the positioning plate so that the nut can be moved inward and outward by the guide groove, and the connecting rod for holding the receiving frame is movably fixed by the nut. The tolerance of position setting spreads, and the construction becomes easy.

等の優れた効果がある。And so on.

【図面の簡単な説明】[Brief description of drawings]

第1図は第一実施例の施工状態の縦断側面図、第2図は
位置決め板1aの分離斜視図、第3図は紙製筒管10の斜視
図、第4図は養生カバーの斜視図、第5図は位置決め板
1aの紙製筒管10への配置作業を示す平面図、第6図は施
工完了状態の縦断側面図、第7図は位置決め板1bの分離
斜視図、第8図は位置決め板1bを用いた場合の施工完了
状態の縦断側面図である。また第9図及び第10図は従来
構成の縦断側面図である。 1a,1b……位置決め板 3……螺子孔 4a,4b……弾接端縁 5……固定孔 10……紙製筒管 16……連結杆 17……雄螺子 18a,18b……ナット 20……水平支持枠 21……受枠 22……乗載鍔 23……連結孔 27……養生カバー 32……ナット 35……摺動案内溝
FIG. 1 is a vertical sectional side view of a construction state of the first embodiment, FIG. 2 is a perspective view of a positioning plate 1a separated, FIG. 3 is a perspective view of a paper tube 10 and FIG. 4 is a perspective view of a curing cover. , Fig. 5 shows positioning plate
Fig. 6 is a plan view showing the work of arranging 1a on the tubular tube 10 made of paper; It is a vertical side view of a construction completion state in a case. 9 and 10 are vertical side views of the conventional structure. 1a, 1b …… Positioning plate 3 …… Screw hole 4a, 4b …… Elastic contact edge 5 …… Fixing hole 10 …… Paper tube 16 …… Coupling rod 17 …… Male screw 18a, 18b …… Nut 20 …… Horizontal support frame 21 …… Receiving frame 22 …… Mounting collar 23 …… Connection hole 27 …… Curing cover 32 …… Nut 35 …… Sliding guide groove

Claims (2)

(57)【実用新案登録請求の範囲】(57) [Scope of utility model registration request] 【請求項1】マンホール蓋の受枠の内径とほぼ等しい外
径を備え、コンクリートの水平支持枠上でマンホール蓋
の受枠に内接して、該マンホールの入口内周面を規定す
る紙製筒管と、 内端部に、先端が前記紙製筒管に弾性的に食い込む逆U
字状に湾曲した弾接端縁を備え、該弾接端縁を前記紙製
筒管の外面に接触して紙製筒管の外方で水平支持枠上に
固定される複数の位置決め板と、 マンホール蓋の受枠に周設される乗載鍔に形成された連
結孔と、前記位置決め板間に上下方向へ差し渡されて、
該受枠を位置決め板に連結する連結杆 とを備えてなるマンホールのコンクリート打込施工装
置。
1. A paper tube having an outer diameter substantially equal to the inner diameter of the receiving frame of the manhole cover, and inscribed on the receiving frame of the manhole cover on a concrete horizontal support frame to define the inner peripheral surface of the inlet of the manhole. , Inverted U with the tip elastically biting into the paper tube at the inner end
A plurality of positioning plates each having a resilient contact edge curved in a letter shape, the resilient contact edge being in contact with the outer surface of the paper tube and being fixed on the horizontal support frame outside the paper tube. , Is vertically passed between the positioning plate and the connection hole formed in the mounting flange that is provided around the receiving frame of the manhole cover,
A manhole concrete placing apparatus comprising a connecting rod for connecting the receiving frame to a positioning plate.
【請求項2】マンホール蓋の受枠の内径とほぼ等しい外
径を備え、コンクリートの水平支持枠上でマンホール蓋
の受枠に内接して、該マンホールの入口内周面を規定す
る紙製筒管と、 内端部に、先端が前記紙製筒管に弾性的に食い込む逆U
字状に湾曲した弾接端縁を備え、かつ上面にナットの両
端縁を支持して該ナットを内外方向へ摺動可能に保持す
る摺動案内溝を備え、前記弾接端縁を紙製筒管の外面に
接触して紙製筒管の外方で水平支持枠上に固定される複
数の位置決め板と、 マンホール蓋の受枠に周設される乗載鍔に形成された連
結孔と、前記位置決め板間に上下方向へ差し渡され、そ
の下端に形成した雄螺子を前記位置決め板に設けたナッ
トに螺合して該受枠を位置決め板に連結する連結杆 とを備えてなるマンホールのコンクリート打込施工装
置。
2. A paper tube which has an outer diameter substantially equal to the inner diameter of the receiving frame of the manhole cover, is inscribed in the receiving frame of the manhole cover on a concrete horizontal support frame, and defines the inner peripheral surface of the inlet of the manhole. , Inverted U with the tip elastically biting into the paper tube at the inner end
The elastic contact edge is curved in a letter shape, and the upper surface is provided with a slide guide groove for supporting both end edges of the nut and slidably holding the nut inward and outward. The elastic contact edge is made of paper. A plurality of positioning plates that are in contact with the outer surface of the tubular tube and are fixed on the horizontal support frame outside the paper tubular tube; connection holes formed in the mounting collar that is provided around the receiving frame of the manhole cover; A manhole concrete comprising: a connecting rod which is vertically extended between the positioning plates, and a male screw formed at a lower end of the positioning plate is screwed into a nut provided on the positioning plate to connect the receiving frame to the positioning plate. Driving construction equipment.
JP1990040726U 1990-04-16 1990-04-16 Manhole concrete driving equipment Expired - Lifetime JP2509940Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990040726U JP2509940Y2 (en) 1990-04-16 1990-04-16 Manhole concrete driving equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990040726U JP2509940Y2 (en) 1990-04-16 1990-04-16 Manhole concrete driving equipment

Publications (2)

Publication Number Publication Date
JPH041240U JPH041240U (en) 1992-01-08
JP2509940Y2 true JP2509940Y2 (en) 1996-09-04

Family

ID=31550763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990040726U Expired - Lifetime JP2509940Y2 (en) 1990-04-16 1990-04-16 Manhole concrete driving equipment

Country Status (1)

Country Link
JP (1) JP2509940Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118255U (en) * 1984-07-09 1986-02-01 三菱レイヨン株式会社 Tape winding tube roll prevention device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3062134U (en) * 1999-03-12 1999-09-28 株式会社全美 Mouse mat

Also Published As

Publication number Publication date
JPH041240U (en) 1992-01-08

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