JPH03228925A - Adjustment device for manhole cover height - Google Patents
Adjustment device for manhole cover heightInfo
- Publication number
- JPH03228925A JPH03228925A JP2024169A JP2416990A JPH03228925A JP H03228925 A JPH03228925 A JP H03228925A JP 2024169 A JP2024169 A JP 2024169A JP 2416990 A JP2416990 A JP 2416990A JP H03228925 A JPH03228925 A JP H03228925A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- frame
- height
- manhole
- lid
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 description 18
- 239000012530 fluid Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、道路下に構築されていてるマンホール等の地
下構築物の蓋高さを、路面高さおよび傾斜に合わせる調
整作業を容易にするようにした蓋高さ調整装置に関する
。[Detailed Description of the Invention] [Industrial Application Field] The present invention facilitates the adjustment work of adjusting the height of the cover of underground structures such as manholes built under the road to match the height and slope of the road surface. This invention relates to a lid height adjustment device.
一般に、既設の道路下に敷設されたマンホール作業口に
蓋枠を介して蓋体を取付ける場合、上記蓋高さを路面高
さおよび傾斜に合わせる調整作業が必要であり、例えば
第6図に示すように、マンホール30の上部に形成され
た作業口31の周囲に道路32を円形または角型に掘削
し、上記作業口31の蓋枠受部上端面31aに、コンク
リートブロックまたは鉄片等で成形された複数の高さ調
整部材33を介して蓋枠34に取付けた蓋体35の高さ
および傾斜角度を、路面高さに一致するように調整する
。そして、上記蓋枠34を再度はずし、各高さ調整部材
33の内側、外側および各高さ調整部材!、 33・・
・間の全周にわたって高さ調整部材33の高さまでセメ
ントモルタル36を敷き詰めて、再び蓋枠34を設置、
固定し、最後に内面をコテで仕上げて、マンホル30の
蓋高さを調整する工法が採られていた。Generally, when attaching a cover body to a manhole work opening built under an existing road via a cover frame, it is necessary to adjust the cover height to match the road surface height and slope. For example, as shown in Figure 6. A road 32 is excavated in a circular or square shape around the working opening 31 formed at the top of the manhole 30, and a road 32 is formed with concrete blocks, iron pieces, etc. on the upper end surface 31a of the cover frame receiving part of the working opening 31. The height and inclination angle of the lid 35 attached to the lid frame 34 via the plurality of height adjusting members 33 are adjusted to match the road surface height. Then, remove the lid frame 34 again, and check the inside and outside of each height adjustment member 33 and each height adjustment member! , 33...
・Spread cement mortar 36 all around the space up to the height of the height adjustment member 33, and install the lid frame 34 again.
The method used was to fix it in place, finish the inner surface with a trowel, and adjust the height of the manhole 30 cover.
しかしながら、上述した従来の蓋高さ調整工法では、寸
法の異なる数種の高さ調整部材を多数用意しなければな
らず、現場において適正な高さ調整部材を選択して積重
ねるために、高さ調整作業に手間がかかり作業時間が長
い等の問題があった。However, in the conventional lid height adjustment method described above, it is necessary to prepare a large number of height adjustment members of several different sizes, and it is necessary to select and stack the appropriate height adjustment members on site. There were problems such as the adjustment work was troublesome and took a long time.
また、経時的に高さ調整部材等の積重ね位置がずれて蓋
の周囲のモルタルが破損したり、あるいはコンクリート
ブロックの代りに木片等の変形し易い部材が使用された
場合に破壊を招くことがあった。さらに、ブロック片の
周囲に充填されるモルタルの充填作業、特に蓋枠とマン
ホール上部または築造ブロックとの間の空隙内に、外周
側に設けられる根巻ブロックと対向する内周側の処理。Also, over time, the stacking position of height adjustment members etc. may shift, causing damage to the mortar around the lid, or if a deformable member such as a piece of wood is used instead of a concrete block, this may lead to destruction. there were. Furthermore, filling work of mortar to be filled around the block pieces, especially treatment of the inner circumferential side facing the neck wrapping block provided on the outer circumferential side in the gap between the cover frame and the manhole top or construction block.
仕上げに多くの時間を要している、等の問題があった。There were problems such as it took a lot of time to finish.
本発明は、上述した問題点を課題として提案されたもの
で、蓋体と路面との高さ調整を行なう際に、多種類の高
さ調整部材を多数用意する必要がなく、蓋体を取付ける
蓋枠を円錐コイルばねを介して上下調整可能に支持し、
上記蓋枠の高さを調整した後、所定の内枠を固定して流
動性急硬化モルタル等を充填することにより、蓋高さの
調整作業を簡略化し、短時間で施工できるようにしたマ
ンホールの蓋高さ調整装置を提供することを目的とする
ものである。The present invention has been proposed to address the above-mentioned problems, and when adjusting the height between the lid and the road surface, there is no need to prepare a large number of different types of height adjustment members, and the lid can be mounted easily. Supports the lid frame via a conical coil spring so that it can be adjusted up and down,
After adjusting the height of the lid frame, the specified inner frame is fixed and filled with fluid rapid hardening mortar, etc., which simplifies the work of adjusting the lid height and allows for quick construction. The object of the present invention is to provide a lid height adjustment device.
この目的を達成するために、本発明は、マンホール上部
の作業口に形成された蓋枠受部上端面または上記蓋枠受
部上端面に適宜積重ねた築造ブロックの上端面に複数本
の植込ボルトを植設し、上記植込ボルトに円錐コイルば
ねを介して蓋体を取付けた蓋枠の基盤を上記植込ボルト
に挿通して載置し、上記蓋枠をナツトにより締付けるこ
とによリマンホールの蓋体を路面高さに調整するマンホ
ールの蓋高さ調整装置において、上記蓋体を取付けた蓋
枠の路面高さをナツトを締付けることにより調整し、蓋
枠とマンホール上部または築造ブロックとの間の空隙内
に、外周側に設けられる根巻ブロックと対向して内周側
に設置される内枠を、上記蓋枠の内周壁および築造ブロ
ックの作業口内壁に接する外径と所定の高さおよび厚さ
を有する変形自在なネオプレンゴムスポンジ等の円筒状
弾性体と、上記円筒状弾性体の上端部内周側に挿着され
る円環状のスチールベルトと、上記スチールベルトの内
周面の複数箇所に上端部が取付けられ、下端部が張付は
バンドの下部を支持する支持部を有する張付はバンド支
持金具と、上記張付はパン5)
ド支持金具のフックに支持され、内、外周側の重ね合わ
せ部端部間に設けたスプリングおよびハンドルの、ハン
ドルを回動することにより円筒状弾性体の下側外周部を
内周面より均等に拡開する張付はバンドと、により構成
したことを特徴とするものである。In order to achieve this object, the present invention provides a plurality of implants on the upper end surface of the lid frame holder formed at the working opening of the upper part of the manhole or on the upper end surface of the construction blocks appropriately stacked on the upper end surface of the lid frame holder. The base of the lid frame with the lid attached to the stud bolt via a conical coil spring is inserted and placed on the stud bolt, and the lid frame is tightened with a nut. In a manhole cover height adjustment device that adjusts the manhole cover body to the road surface height, the road surface height of the cover frame to which the cover body is attached is adjusted by tightening a nut, and the cover frame and the top of the manhole or construction block are adjusted. In the gap between them, an inner frame installed on the inner circumference side facing the neck wrap block provided on the outer circumference side is installed with an outer diameter that is in contact with the inner circumferential wall of the lid frame and the inner wall of the working opening of the construction block. A cylindrical elastic body such as a neoprene rubber sponge that is deformable in height and thickness, an annular steel belt inserted into the inner circumferential side of the upper end of the cylindrical elastic body, and an inner circumferential surface of the steel belt. The upper end is attached to multiple locations, the lower end is attached to the band support fitting, and the lower end is supported by the hook of the band support fitting. The tension of the spring and handle provided between the overlapped ends of the inner and outer circumferential sides, which expands the lower outer circumference of the cylindrical elastic body evenly from the inner circumference by rotating the handle, is a band. It is characterized by being configured by the following.
このような構成に基づいて、本発明によれば、道路下等
に構築されているマンホールの蓋体を路面高さに調整す
る場合、マンホール上部の作業口に形成された蓋枠受部
上端面に、円錐コイルばねを介して蓋体を取付けた蓋枠
を載置して、蓋体の上面を路面高さに合わせた調整がで
きるようにしたので、多種類の高さ調整部材を多数用意
する必要がなく、簡単な作業により短時間で蓋高さおよ
び傾斜角度を任意に調整することができる。Based on such a configuration, according to the present invention, when adjusting the cover body of a manhole constructed under a road etc. to the road surface height, the upper end surface of the cover frame holder formed at the work opening at the upper part of the manhole. A lid frame with the lid attached via a conical coil spring is placed on the top of the lid, allowing the top surface of the lid to be adjusted to match the road surface height, so a large number of different height adjustment members are available. The lid height and inclination angle can be arbitrarily adjusted in a short time with simple operations.
また、蓋体の路面高さを調整した後は、蓋枠受部上端面
と蓋枠との間に根巻ブロックと対向して所定の内枠を簡
単に取付けることによりモルタルの充填が容易であり、
流動性急硬化モルタルまたはレジンモルタル等を使用す
ることによりモルタルの硬化時間を短縮して、早期に交
通を解放することができる。In addition, after adjusting the road surface height of the lid body, filling with mortar can be made easier by simply installing a predetermined inner frame between the upper end surface of the lid frame holder and the lid frame, facing the neck wrap block. can be,
By using fluid rapid hardening mortar or resin mortar, the hardening time of the mortar can be shortened and traffic can be released early.
以下、本発明の一実施例を添付図面に基づいて詳細に説
明する。Hereinafter, one embodiment of the present invention will be described in detail based on the accompanying drawings.
第1図は本発明によるマンホールの上部構造を示す断面
図であり、図において、符号lは道路下等に構築された
コンクリート製マンホール、1aはマンホールIの上部
に形成された地上への出入口となる作業口、■bは蓋枠
受部上端面である。また、2.8.4は所定の高さを有
し、マンホール1の作業口1aに相当する作業口2a、
8a、 4aを形成した築造ブロックであり、この築
造ブロック2,3゜4は、マンホール1の蓋枠受部上端
面1bより路面5までの高さが高い場合に適宜積重ねて
使用されるもので、含浸接着剤6により接着固定される
。FIG. 1 is a cross-sectional view showing the upper structure of a manhole according to the present invention. In the figure, numeral l indicates a concrete manhole constructed under a road, etc., and 1a indicates an entrance/exit to the ground formed at the top of manhole I. 2b is the upper end surface of the lid frame receiver. 2.8.4 has a predetermined height and corresponds to the working opening 1a of the manhole 1;
8a, 4a, and these construction blocks 2, 3゜4 are stacked and used as appropriate when the height of the road surface 5 is higher than the upper end surface 1b of the cover frame holder of the manhole 1. , are adhesively fixed with an impregnated adhesive 6.
さらに、7はマンホール1の蓋体、8は蓋体7が取付け
られる蓋枠である。Furthermore, 7 is a cover body of the manhole 1, and 8 is a cover frame to which the cover body 7 is attached.
上記蓋体7および蓋枠8は、鉄製または鋳鉄製基盤8a
を、円錐コイルばね9を介して最上段の築造ブロック4
の上面またはマンホール1の蓋枠受部上端面1bに直接
載置し、その周囲を流動性急硬化モルタル10等により
固定するようになっている。The lid body 7 and the lid frame 8 are made of iron or cast iron with a base 8a.
, the uppermost construction block 4 via the conical coil spring 9
It is placed directly on the upper surface of the manhole 1 or on the upper end surface 1b of the lid frame receiving part of the manhole 1, and its surroundings are fixed with fluidized rapid hardening mortar 10 or the like.
すなわち、上記最上段の築造ブロック4またはマンホー
ル1の蓋枠受部上端面1bには、予め円周」二の少なく
とも3〜4箇所以上に植込ボルト11が埋設されており
、上記植込ボルト11には、上方に行くに従ってコイル
径が小径となり、撓み量が十分得られる円錐コイルばね
9が挿着されている。That is, in the uppermost construction block 4 or the upper end surface 1b of the cover frame receiving part of the manhole 1, stud bolts 11 are embedded in advance at at least 3 to 4 locations around the circumference, and the stud bolts 11 11 is fitted with a conical coil spring 9 whose coil diameter becomes smaller toward the top and which provides a sufficient amount of deflection.
また、蓋枠8の基盤8aには、植込ボルト11が挿通さ
れるボルト穴が穿設されており、この基盤8aより上面
に突出した植込ボルト11には、ナツト12が螺着され
ている。そして、上記ナツトI2を締付けることにより
、蓋枠8に取付けた蓋体7の路面高さおよび傾斜角度を
任意に適正に調整することができるようになっている。Further, the base 8a of the lid frame 8 is provided with a bolt hole through which a stud 11 is inserted, and a nut 12 is screwed into the stud 11 that protrudes upward from the base 8a. There is. By tightening the nut I2, the road surface height and inclination angle of the lid 7 attached to the lid frame 8 can be arbitrarily and appropriately adjusted.
こうして、蓋体7を取付けた蓋枠8を路面5の高さに調
整した後は、最上段の築造ブロック4またはマンホール
lの蓋枠受部上端面1bと蓋枠8の基盤8aとの間の空
隙に内枠13が取付けられると共に、築造ブロック2,
3.4の外周に設置されて外枠となる根巻ブロック14
との間に流動性急硬化モルタル10等が充填されるよう
になっている。In this way, after adjusting the lid frame 8 to which the lid body 7 is attached to the height of the road surface 5, the gap between the upper end surface 1b of the lid frame receiving part of the uppermost construction block 4 or the manhole l and the base 8a of the lid frame 8 is The inner frame 13 is installed in the gap, and the construction blocks 2,
3. Negaki block 14 installed on the outer periphery of 4 and serving as an outer frame
A fluid rapid hardening mortar 10 or the like is filled between the two.
ここで上記内枠13は、第2図に示すように、蓋枠8の
内周壁および築造ブロック4の作業口4aに接する外径
と、所定の高さおよび厚さを有する変形自在なネオプレ
ンゴムスポンジ等の円筒状弾性体15と、上記円筒状弾
性体15の上端部内周側に挿着される円環状のスチール
ベルト16と、上記スチールベルト1Bの内周面3箇所
に上端部が固着され、下端部が円筒状弾性体15の底面
位置で内側に折曲げられたフック支持部17aを有する
張付はバンド支持金具■7と、上記張付はバンド支持金
具17のフック17aに支持され、上記円筒状弾性体1
5の下側外周部を内周面より均等に拡開して築造ブロッ
ク4の作業口4aまたはマンホール1の作業口1aの内
周面に圧着させる張付はバンド18とにより構成されて
いる。また、上記張付はバンド支持金具17には係止ピ
ン17bが固着されており、内枠13を蓋枠8に吊下げ
るコイルばね付きの吊りフック24が係止されるように
なっている。Here, as shown in FIG. 2, the inner frame 13 is made of deformable neoprene rubber having an outer diameter in contact with the inner circumferential wall of the lid frame 8 and the working opening 4a of the construction block 4, and a predetermined height and thickness. A cylindrical elastic body 15 such as a sponge, an annular steel belt 16 inserted into the inner circumferential side of the upper end of the cylindrical elastic body 15, and an upper end fixed to three locations on the inner circumferential surface of the steel belt 1B. , the tensioning having a hook support portion 17a whose lower end is bent inward at the bottom surface position of the cylindrical elastic body 15 is supported by the band support fitting (7), and the above tensioning is supported by the hook 17a of the band support fitting 17, The above cylindrical elastic body 1
A band 18 is used to spread the lower outer periphery of the construction block 5 evenly from the inner periphery and press it against the inner periphery of the working opening 4a of the construction block 4 or the working opening 1a of the manhole 1. In addition, a locking pin 17b is fixed to the band support fitting 17, and a hanging hook 24 equipped with a coil spring for suspending the inner frame 13 from the lid frame 8 is locked.
上記張付はバンド18の両端部には、内、外周側の重ね
合わせ部18a 、 18bが設けられており、第4図
および第5図に示すように、締付は金具19のハンドル
20を操作することにより、スプリング21により重ね
合わせ部18a 、 18bが減少して外周部が拡開す
るようになっている。The above-mentioned tightening is performed by using the handle 20 of the metal fitting 19, as shown in FIGS. 4 and 5. When operated, the overlapping portions 18a and 18b are reduced by the spring 21, and the outer peripheral portion is expanded.
すなわち、上記締付は金具19は、張付はバンド18の
外周側の重ね合わせ部18aに固着されたフック22と
、内周側の重ね合わせ部18bに固着されたピン23に
回転自在に枢支されたハンドル20との間にスプリング
21が張設されており、上記ハンドル20を回動操作す
ることによって円筒状弾性体15の下側の外周部が拡開
して、築造ブロック4の作業口4aまたはマンホールl
の作業口1aの内周面に圧着させるようになっている。That is, the tightening metal fitting 19 is rotatably pivoted to a hook 22 fixed to the overlapped part 18a on the outer circumference side of the band 18 and a pin 23 fixed to the overlapped part 18b on the inner circumference side. A spring 21 is stretched between the supported handle 20, and by rotating the handle 20, the lower outer circumference of the cylindrical elastic body 15 expands, allowing the construction block 4 to be worked on. Exit 4a or manhole l
It is adapted to be crimped onto the inner circumferential surface of the working opening 1a.
なお、上記マンホール1の作業口1aを形成した蓋枠受
部上端面1bに蓋枠8を介して蓋体7を取付0
ける場合は、予め周囲の道路を円形または角型に掘削し
た掘削孔5aが形成されており、マンホール1の蓋体7
を路面5の高さに合わせて調整し、蓋枠8を流動性急硬
化モルタル10によって固定した後に、舗装等により補
修される。In addition, when attaching the cover body 7 via the cover frame 8 to the upper end surface 1b of the cover frame receiving part that forms the working opening 1a of the manhole 1, an excavation hole that has been previously excavated in a circular or square shape on the surrounding road is used. 5a is formed, and the cover body 7 of the manhole 1
is adjusted to match the height of the road surface 5, and the cover frame 8 is fixed with fluid rapid hardening mortar 10, and then repaired by paving or the like.
次いで、上述したように構成されたマンホールの蓋高さ
調整工法による蓋体7の嵩上げ作業について説明する。Next, a description will be given of the work of raising the cover body 7 by the method for adjusting the height of the manhole cover configured as described above.
まず、道路下に構築されたマンホール1の周囲の道路を
円形または角型に掘削し、マンホール1の蓋枠受部上端
面1bを露出させる。ここで、マンホール1の蓋枠受部
上端面1bより路面5までの高さが高い場合は、上記蓋
枠受部上端面1bに築造ブロック2,3.4を適宜積重
ねて含浸接着剤6により接着固定する。そして、最上段
の築造ブロック4の上面に植設された植込ボルト11に
円錐コイルばね9を挿着し、その上部より蓋枠8の基盤
8aを取付けると共に、植込ボルト11の上部よりナツ
ト12を螺着する。First, the road around the manhole 1 constructed under the road is excavated in a circular or square shape to expose the upper end surface 1b of the cover frame receiving part of the manhole 1. Here, if the height of the road surface 5 is higher than the upper end surface 1b of the lid frame receiver of the manhole 1, the construction blocks 2, 3, 4 are appropriately stacked on the upper end surface 1b of the lid frame receiver and applied with an impregnated adhesive 6. Fix with adhesive. Then, the conical coil spring 9 is inserted into the stud bolt 11 installed on the upper surface of the uppermost construction block 4, and the base 8a of the lid frame 8 is attached from above, and the nut is inserted from the upper part of the stud bolt 11. Screw on 12.
続いて、上記蓋枠8に取付けた蓋体7の上端面1
が路面5の高さおよび傾斜面に一致するようにナツト1
2を締付は円錐コイルばね9を圧縮しながら任意に調整
する。Next, tighten the nut 1 so that the upper end surface 1 of the lid 7 attached to the lid frame 8 matches the height and slope of the road surface 5.
2 can be adjusted arbitrarily while compressing the conical coil spring 9.
上記蓋体7の高さを調整した後は、築造ブロック4と蓋
枠8の基盤8aとの間の空隙に内枠13を取付けると共
に、外側に外枠となる損券ブロック14を設置し、上記
内枠13と損券ブロック14との空隙内に流動性急硬化
モルタルIOを充填して固定する。After adjusting the height of the lid 7, the inner frame 13 is installed in the gap between the construction block 4 and the base 8a of the lid frame 8, and the unfitted note block 14 serving as the outer frame is installed on the outside. The gap between the inner frame 13 and the unfitted note block 14 is filled with fluid rapid hardening mortar IO and fixed.
上記モルタル10が硬化した後は、内枠13を取外して
マンホール1の周囲に掘削された掘削孔5aの舗装等を
補修して工事が完了する。なお、内枠13を構成する円
筒状弾性体15、スチールベルト16、張付はバンド支
持金具17、張付はバンド18、吊りフック24等は何
度も繰返し使用できるものである。After the mortar 10 has hardened, the inner frame 13 is removed and the paving of the excavated hole 5a around the manhole 1 is repaired to complete the construction work. The cylindrical elastic body 15, steel belt 16, band support fitting 17, band 18, hanging hook 24, etc. that constitute the inner frame 13 can be used repeatedly.
ここで、上記蓋体7を取付けた蓋枠8の高さを路面5の
高さに調整した後、蓋枠8の基盤8aより下方に残る空
隙をモルタルにより充填する場合、内枠13の上部が吊
りフック24を介して蓋枠8の内周面に簡単に吊下げら
れて密着すると共に、下部が締付は金具I9により築造
ブロック4の作業口4a2
またはマンホールIの作業口1aの内周面に密着して、
固定することができる。Here, after adjusting the height of the lid frame 8 to which the lid body 7 is attached to the height of the road surface 5, when filling the gap remaining below the base 8a of the lid frame 8 with mortar, the upper part of the inner frame 13 is easily suspended and tightly attached to the inner peripheral surface of the lid frame 8 via the hanging hook 24, and the lower part is tightened by the metal fitting I9 to the inner periphery of the working opening 4a2 of the construction block 4 or the working opening 1a of the manhole I. Close to the surface,
Can be fixed.
また、上記空隙内に充填される流動性急硬化モルタル1
0は、急硬化型モルタルまたはレジンモルタル等を使用
することにより、圧縮強度1曲げ強度が大きいだけでな
く、強度発現が早く、施工後に早期交通解放が可能とな
る。In addition, the fluidity rapid hardening mortar 1 filled in the above-mentioned voids
By using rapid hardening mortar or resin mortar, 0 not only has a high compressive strength and 1 bending strength, but also develops strength quickly, making it possible to open to traffic quickly after construction.
以上説明したように、本発明によるマンホールの蓋高さ
調整装置は、調整ナツトを締付けるだけで簡単に任意の
高さおよび傾斜面に調整することができるので、多数の
高さ調整部材を用意する必要がなく、簡単な作業により
短時間で調整することができる。As explained above, the manhole cover height adjusting device according to the present invention can be easily adjusted to any height and slope by simply tightening the adjustment nut, so a large number of height adjustment members are required. It is not necessary and can be adjusted in a short time with simple work.
また、本発明の内枠を使用することにより、空隙内にモ
ルタルを充填する際の内枠の取付け、取外しが容品であ
り、かつ迅速に着脱でき、しかも内枠は何回も使用でき
て経済的である。Furthermore, by using the inner frame of the present invention, the inner frame can be easily attached and removed when filling mortar into the void, and can be quickly attached and detached, and the inner frame can be used many times. Economical.
第1図は本発明によるマンホールの上部構造を 3
示す断面図、第2図は本発明による内枠の構造を示す斜
視図、第3図は同断面図、第4図および第5図は締付は
金具の作動説明図、第6図は従来例によるマンホールの
上部構造を示す断面図である。
■・・・マンホール、la・・・作業口、lb・・・蓋
枠受部上端面、2,8.4・・・築造ブロック、2a、
!la、 4a・・作業口、5・・・路面、7・・・
蓋体、8・・・蓋枠、8a・・・基盤、9・・・円錐コ
イルばね、IO・・・流動性急硬化モルタル、ll・・
・植込ボルト、12・・・ナツト、13・・・内枠、1
4・・・損券ブロック、15・・・円筒状弾性体、16
・・・スチールベルト、17・・・締付はバンド支持金
具、18・・・締付はバンド、19・・・締付は金具、
20・・・/%ンドル、21・・・スプリング、22・
・・フック、23・・・ピン、24・・・吊りフック。Fig. 1 is a cross-sectional view showing the upper structure of a manhole according to the present invention, Fig. 2 is a perspective view showing the structure of the inner frame according to the present invention, Fig. 3 is a cross-sectional view of the same, and Figs. 4 and 5 are fasteners. 6 is a sectional view showing the upper structure of a conventional manhole. ■... Manhole, la... Working opening, lb... Lid frame receiver upper end surface, 2, 8.4... Construction block, 2a,
! la, 4a...work opening, 5...road surface, 7...
Lid body, 8... Lid frame, 8a... Base, 9... Conical coil spring, IO... Fluid rapid hardening mortar, ll...
・Built bolt, 12...Nut, 13...Inner frame, 1
4... Unfit note block, 15... Cylindrical elastic body, 16
...Steel belt, 17...Tightening is by band support fitting, 18...Tightening is by band, 19...Tightening is by metal fitting,
20.../% bundle, 21...spring, 22.
...Hook, 23...Pin, 24...Hanging hook.
Claims (1)
たは上記蓋枠受部上端面に適宜積重ねた築造ブロックの
上端面に複数本の植込ボルトを植設し、上記植込ボルト
に円錐コイルばねを介して蓋体を取付けた蓋枠の基盤を
上記植込ボルトに挿通して載置し、上記蓋枠をナットに
より締付けることによりマンホールの蓋体を路面高さに
調整するマンホールの蓋高さ調整装置において、 上記蓋体を取付けた蓋枠の路面高さをナットを締付ける
ことにより調整し、蓋枠とマンホール上部または築造ブ
ロックとの間の空隙内に、外周側に設けられる根巻ブロ
ックと対向して内周側に設置される内枠を、上記蓋枠の
内周壁および築造ブロックの作業口内壁に接する外径と
所定の高さおよび厚さを有する変形自在なネオプレンゴ
ムスポンジ等の円筒状弾性体と、上記円筒状弾性体の上
端部内周側に挿着される円環状のスチールベルトと、上
記スチールベルトの内周面の複数箇所に上端部が取付け
られ、下端部が張付けバンドの下部を支持する支持部を
有する張付けバンド支持金具と、上記張付けバンド支持
金具のフックに支持され、内、外周側の重ね合わせ部端
部間に設けたスプリングおよびハンドルの、ハンドルを
回動することにより円筒状弾性体の下側外周部を内周面
より均等に拡開する張付けバンドと、により構成したこ
とを特徴とするマンホールの蓋高さ調整装置。[Scope of Claims] A plurality of stud bolts are planted on the upper end surface of a lid frame receiver formed at the working opening of the upper part of the manhole or on the upper end surface of construction blocks appropriately stacked on the upper end surface of the lid frame receiver, The base of the cover frame with the cover attached to the stud bolt via a conical coil spring is inserted and placed on the stud bolt, and the cover frame is tightened with a nut to raise the manhole cover to the road surface height. In the manhole cover height adjustment device, the height of the road surface of the cover frame to which the above-mentioned cover body is attached is adjusted by tightening a nut, and the outer circumference is adjusted in the gap between the cover frame and the manhole top or construction block. The inner frame installed on the inner circumferential side facing the root wrapping block provided on the side is deformed to have an outer diameter and a predetermined height and thickness in contact with the inner circumferential wall of the lid frame and the inner wall of the working opening of the construction block. A flexible cylindrical elastic body such as a neoprene rubber sponge, an annular steel belt inserted into the inner circumferential side of the upper end of the cylindrical elastic body, and the upper end attached to multiple locations on the inner circumferential surface of the steel belt. a tension band support fitting having a support part whose lower end supports the lower part of the tension band, and a spring and a handle supported by the hook of the tension band support fitting and provided between the ends of the overlapped parts on the inner and outer circumferential sides. A manhole cover height adjustment device comprising: a tension band that spreads the lower outer peripheral part of the cylindrical elastic body evenly from the inner peripheral surface by rotating the handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024169A JP2818815B2 (en) | 1990-02-02 | 1990-02-02 | Manhole cover height adjustment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024169A JP2818815B2 (en) | 1990-02-02 | 1990-02-02 | Manhole cover height adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03228925A true JPH03228925A (en) | 1991-10-09 |
JP2818815B2 JP2818815B2 (en) | 1998-10-30 |
Family
ID=12130846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2024169A Expired - Lifetime JP2818815B2 (en) | 1990-02-02 | 1990-02-02 | Manhole cover height adjustment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2818815B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015071939A (en) * | 2014-12-09 | 2015-04-16 | 株式会社ニチコン | Cylindrical form and renovation method for manhole inner wall surface |
-
1990
- 1990-02-02 JP JP2024169A patent/JP2818815B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015071939A (en) * | 2014-12-09 | 2015-04-16 | 株式会社ニチコン | Cylindrical form and renovation method for manhole inner wall surface |
Also Published As
Publication number | Publication date |
---|---|
JP2818815B2 (en) | 1998-10-30 |
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