JPH0827821A - Level adjuster of manhole cover receiving frame - Google Patents
Level adjuster of manhole cover receiving frameInfo
- Publication number
- JPH0827821A JPH0827821A JP6166756A JP16675694A JPH0827821A JP H0827821 A JPH0827821 A JP H0827821A JP 6166756 A JP6166756 A JP 6166756A JP 16675694 A JP16675694 A JP 16675694A JP H0827821 A JPH0827821 A JP H0827821A
- Authority
- JP
- Japan
- Prior art keywords
- receiving frame
- flange
- frame
- cover receiving
- manhole cover
- 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
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、道路下に設置されたマ
ンホールの蓋を路面レベルに嵩上げする際に用いる蓋受
枠のレベル調整具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a level adjusting tool for a lid receiving frame used for raising a lid of a manhole installed under a road to a road level.
【０００２】[0002]
【従来の技術】従来、道路下に設置されたマンホールの
蓋をその上端面が路面との間に段差が生じないように嵩
上げする先行技術はよく知られている。マンホールに
は、各種の形式があり、蓋受枠を載置するマンホール上
端の首部ブロック上面に、上方へ直立された蓋受枠固定
用のインサートボルトが立設されている形式のもので
は、このインサートボルトを利用してマンホール蓋受枠
の嵩上げが簡単に行える。しかし、マンホールには、上
述のインサートボルトが立設されていない形式のものも
あり、この場合には、例えば特開昭６０−８０６２９号
公報あるいは特開昭６３−２５１５２８号公報等に記載
されているように蓋受枠のレベル調整具を用いるものが
提案されている。2. Description of the Related Art Conventionally, there is well known a prior art in which a lid of a manhole installed under a road is raised so that its upper end surface does not have a step between the lid and a road surface. There are various types of manholes.In the case of a type in which an insert bolt for fixing the lid receiving frame that stands upright is erected on the upper surface of the neck block at the upper end of the manhole where the lid receiving frame is placed, this insert bolt Can be used to easily raise the manhole cover receiving frame. However, some manholes are of a type in which the above-mentioned insert bolt is not provided upright, and in this case, for example, it is described in JP-A-60-80629 or JP-A-63-251528. It has been proposed to use a level adjusting tool for the lid receiving frame as described above.
【０００３】図４および図５は、上述の先行技術に開示
された蓋受枠レベル調整具５０およびその使用状態を示
している。このレベル調整具５０は、蓋受枠６０のフラ
ンジ部６１を挟持するコ字状のフランジ挟持部５４と、
その外側に固着されたナット部５２を介して該ナット部
５２に螺合された調整用ボルト５１とから構成されてい
る。そして嵩上げに際し、蓋受枠６０のフランジ部６１
の複数箇所に半径方向からフランジ挟持部５４を嵌合さ
せた状態で、調整用ボルト５１をマンホールの上端の首
部ブロック６７上に直立させ、調整用ボルト５１の突出
長を適宜に調整することによって蓋受枠６０の高さを、
路面６８の上端レベルに適合するように一致させてい
る。FIGS. 4 and 5 show a lid receiving frame level adjuster 50 disclosed in the above-mentioned prior art and a state of use thereof. The level adjusting tool 50 includes a U-shaped flange holding portion 54 for holding the flange portion 61 of the lid receiving frame 60,
It is composed of an adjusting bolt 51 screwed to the nut portion 52 via a nut portion 52 fixed to the outside thereof. When raising the height, the flange portion 61 of the lid receiving frame 60
With the flange clamping portions 54 fitted in a plurality of positions in the radial direction, the adjustment bolts 51 are erected on the neck block 67 at the upper end of the manhole, and the protrusion length of the adjustment bolts 51 is adjusted appropriately. The height of the lid receiving frame 60,
It is matched so as to match the upper end level of the road surface 68.
【０００４】路面６８に対し蓋受枠６０の高さおよびそ
の傾斜状態を一致させたあと、フランジ部６１の下面と
首部ブロック６７の上面との間に内型枠６３、外型枠６
４をセットし、両型枠６３、６４の間に生じた空隙部６
５に急硬性セメント６６を注入する。急硬性セメント６
６が硬化したあと、外型枠６４および内型枠６３を撤去
し、受枠６０の周囲を砕石や土砂等で埋め戻し、上部を
アスファルトにより舗装する。これによって、受枠６０
の嵩上げ作業を完了する。After the height and inclination of the lid receiving frame 60 are matched with the road surface 68, an inner mold 63 and an outer mold 6 are provided between the lower surface of the flange 61 and the upper surface of the neck block 67.
4 is set, and the void 6 formed between both molds 63, 64
5 is filled with rapid hardening cement 66. Rapid hardening cement 6
After 6 hardens, the outer mold 64 and the inner mold 63 are removed, the periphery of the receiving frame 60 is backfilled with crushed stone, earth and sand, and the upper part is paved with asphalt. As a result, the receiving frame 60
Complete the work of raising.
【０００５】尚、上記の図４にあっては、フランジ挟持
部５４の上面に螺孔５５を穿設してこの螺孔５５に調整
用ビス５３を螺合することができる構成としている。こ
れは、フランジ挟持部５４の内巾に比較して挟持される
受枠６０のフランジ６１部の厚みが薄いとき、フランジ
部６１の上面をビスで押圧するためのものである。これ
によって、厚みの異なる受枠のフランジ部６１に対して
も、レベル調整具５０を確実に取り付けることができ
る。Incidentally, in FIG. 4 described above, a screw hole 55 is formed in the upper surface of the flange holding portion 54, and the adjusting screw 53 can be screwed into the screw hole 55. This is for pressing the upper surface of the flange portion 61 with a screw when the thickness of the flange 61 portion of the receiving frame 60 to be clamped is smaller than the inner width of the flange clamping portion 54. As a result, the level adjuster 50 can be reliably attached to the flange portions 61 of the receiving frames having different thicknesses.
【０００６】[0006]
【発明が解決しようとする課題】ところで、上述した従
来技術の蓋受枠レベル調整具においては、図５を参照し
て判るように、蓋受枠６０のフランジ部６１の円周複数
箇所に、複数のレベル調整具５０が位置し、このレベル
調整具５０の全体が、外型枠６４で囲まれたセメント注
入空間部に位置しているために、セメント６６を注入し
てセメントが硬化するにつれて、該レベル調整具６５が
そのまま埋められてしまい、再利用できないのが実状で
ある。By the way, in the above-mentioned lid receiving frame level adjusting tool of the prior art, as can be seen with reference to FIG. Since the level adjuster 50 is located and the entire level adjuster 50 is located in the cement injection space surrounded by the outer form 64, as the cement 66 is injected and the cement hardens, In reality, the level adjuster 65 is buried as it is and cannot be reused.
【０００７】道路に沿って設置してあるマンホールの数
は多数であり、また１箇所のマンホールの蓋受枠におい
てこのようなレベル調整具が複数個必要であるので、道
路下に築造してあるマンホールの設置数を考えると、そ
のレベル調整具５０の必要数も大量となり、マンホール
蓋の嵩上げ経費が膨大に嵩むという問題点があった。Since the number of manholes installed along the road is large, and a plurality of such level adjusting tools are required in one manhole cover receiving frame, the manhole constructed under the road. Considering the number of installations, the required number of level adjusting tools 50 also becomes large, and there is a problem that the cost for raising the manhole cover is enormous.
【０００８】本発明は、上述した問題点に鑑み、レベル
調整具の一部を再利用可能にして経済性を高めたマンホ
ール蓋受枠のレベル調整具を提供することを目的とする
ものである。In view of the above-mentioned problems, it is an object of the present invention to provide a level adjuster for a manhole cover receiving frame, which is part of the level adjuster can be reused and whose economy is improved.
【０００９】[0009]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明によるレベル調整具は、マンホール蓋受枠
のフランジ部を半径方向から挟持するＵ字形のフランジ
挟持部材と、該フランジ挟持部材の外端面に着脱可能に
固定されるナット部材と、ナット部材に直立状に螺合さ
れて蓋受枠をマンホール上端の首部ブロック上面に支持
する高さ調整用ボルトとからなり、マンホール蓋受枠の
嵩上げ調整時には、調整用ボルトが螺合されたナット部
材をボルトとセット状態で、蓋受枠のフランジ部外周に
固定されたフランジ挟持部材に着脱可能に固定セットさ
せ、モルタル充填後においてモルタルが所要に硬化した
あと、調整用ボルト及びナット部材をフランジ挟持部か
ら離脱して再利用可能にしてなることを特徴とする。In order to achieve the above object, a level adjusting tool according to the present invention comprises a U-shaped flange holding member for holding a flange portion of a manhole cover receiving frame from a radial direction, and the flange holding member. It is composed of a nut member that is detachably fixed to the outer end surface of the and a height adjusting bolt that is screwed upright on the nut member to support the lid receiving frame on the upper surface of the neck block at the upper end of the manhole. At the time of adjustment, the nut member screwed with the adjusting bolt is set with the bolt so that it can be detachably fixed and set on the flange clamping member fixed to the outer periphery of the flange of the lid receiving frame, and the mortar is cured after the mortar is filled. After that, the adjusting bolt and the nut member are separated from the flange holding portion to be reusable.
【００１０】[0010]
【作用】上記のように構成されたレベル調整具による
と、マンホール蓋受枠の嵩上げ施工に際して、モルタル
充填後にモルタルが所要に硬化した後に、レベル調整具
を構成する調整用ボルトおよびナット部材をフランジ挟
持部材から離脱して、これを次の嵩上げ施工に際して再
利用できることで、蓋受枠のレベル調整具にかかる材料
費を従来例のものに比して半分程度以下に低減でき、嵩
上げ施工コストの低減を図ることができる。According to the level adjusting tool configured as described above, when the manhole cover receiving frame is raised, after the mortar is hardened as required after the mortar is filled, the adjusting bolt and the nut member constituting the level adjusting tool are clamped by the flanges. By detaching from the member and reusing it for the next raising work, the material cost for the level adjusting tool of the lid receiving frame can be reduced to about half or less compared to the conventional example, and the raising work cost can be reduced. Can be planned.
【００１１】[0011]
【実施例】以下、本発明の一実施例を図１ないし図３に
基づいて説明する。図１および図２を参照して判るよう
に、本発明の蓋受枠レベル調整具は、マンホール蓋受枠
１のフランジ部２を半径方向から挟持するＵ字形のフラ
ンジ挟持部材５と、該フランジ挟持部材５の外端面に着
脱可能に固定されるナット部材４と、ナット部材４に直
立状に螺合されて蓋受枠１をマンホール上端の首部ブロ
ック１１上面に支持する高さ調整用ボルト３から構成し
ている。また、上記ナット部材４は、フランジ部材５へ
の着脱が可能な摺動部１２と、調整ボルト３が螺合され
るナット部４’とからなっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As can be seen with reference to FIGS. 1 and 2, the lid receiving frame level adjusting tool of the present invention is a U-shaped flange holding member 5 for holding the flange portion 2 of the manhole cover receiving frame 1 from the radial direction, and the flange holding member. 5, a nut member 4 which is detachably fixed to the outer end surface, and a height adjusting bolt 3 which is screwed upright on the nut member 4 to support the lid receiving frame 1 on the upper surface of the neck block 11 at the upper end of the manhole. ing. The nut member 4 includes a sliding portion 12 that can be attached to and detached from the flange member 5, and a nut portion 4'to which the adjusting bolt 3 is screwed.
【００１２】更に詳しく説明すると、蓋受枠レベル調整
具の一部となるフランジ挟持部材５には、蓋受枠１のフ
ランジ部２を半径方向から挟持できるように形成された
上側板部５’と下側板部５”とを有している。上側板部
５’には一つの雌ネジ穴１３’が形成されて、調整ビス
１３がこの雌ネジ穴１３’に螺合している。該調整ビス
１３の上下動により、フランジ挟持部材５の内巾に比較
して蓋受枠１のフランジ部２の厚みが薄いとき、フラン
ジ部２の上面を押圧することができるので、厚みの異な
るフランジ部２に対しても対応できるようになってい
る。また、フランジ挟持部材５の外端面１５の上下両側
には、二つの細長い貫通孔１５’が形成されている。蓋
受枠レベル調整具の他の一部に含まれるナット部材４の
摺動部１２に一体に形成された長アーム部１６および短
アーム部１７は、該二つの細長い貫通孔１５’をそれぞ
れ挿通できる。長アーム部１６の長手中央部に貫通孔１
６’が形成されているので、調整ビス１３がこの貫通孔
１６’を挿通してビスの下端部が受枠のフランジ部２の
上面に当たるようになっている。尚、必要に応じて該貫
通孔１６’をＵ字状切り欠き部にしても良い。長アーム
部１６は細長い貫通孔１５’を挿通して、フランジ挟持
部材５の上板部５’の下面と蓋受枠１のフランジ部２の
上面との間に挿入されるが、短アーム部１７はその端面
がフランジ２の端面２’と接触するだけに留まる。More specifically, the flange holding member 5 which is a part of the lid receiving frame level adjuster has an upper plate portion 5'formed so as to hold the flange portion 2 of the lid receiving frame 1 in the radial direction and a lower portion. The upper plate portion 5 ′ has one female screw hole 13 ′ formed therein, and the adjusting screw 13 is screwed into the female screw hole 13 ′. When the thickness of the flange portion 2 of the lid receiving frame 1 is smaller than the inner width of the flange holding member 5 due to the vertical movement of 13, the upper surface of the flange portion 2 can be pressed, so that the flange portions 2 having different thicknesses can be pressed. Also, two elongated through holes 15 'are formed on the upper and lower sides of the outer end surface 15 of the flange holding member 5. Another part of the lid receiving frame level adjusting tool. Is formed integrally with the sliding portion 12 of the nut member 4 included in Length arm portion 16 and the short arm portion 17, longitudinal through the central portion bore 1 of the two elongated holes 15 'can be inserted, respectively. Length arm portion 16
Since 6'is formed, the adjusting screw 13 is inserted through the through hole 16 'so that the lower end portion of the screw comes into contact with the upper surface of the flange portion 2 of the receiving frame. The through hole 16 'may be a U-shaped cutout portion if necessary. The long arm portion 16 is inserted through the elongated through hole 15 ′ and is inserted between the lower surface of the upper plate portion 5 ′ of the flange holding member 5 and the upper surface of the flange portion 2 of the lid receiving frame 1, but the short arm portion 17 Remains only in contact with its end face 2'of the flange 2.
【００１３】ナット部材４とこれに螺合されている調整
ボルト３とによって、本発明の蓋受枠レベル調整具にお
ける他の一部を構成している。上述したように、ナット
部材４は、フランジ部材５への着脱が可能な摺動部１２
と、調整ボルト３が螺合されるナット部４’とからなっ
ている。摺動部１２に一体に形成された長アーム部１６
および短アーム部１７が、上記フランジ挟持部材５の外
端面１５に形成された二つの細長い貫通孔１５’をそれ
ぞれ挿通できるようになっている。摺動部１２の垂直部
１８には、調整ボルト３が螺合されるナット部４を固着
しており、該ナット部４に螺合された調整ボルト３を回
すことによって、摺動部１２が上下動できる。摺動部１
２が上下動するにつれて、長アーム部１６および短アー
ム部１７が挿入されたフランジ挟持部材５が上下動する
ことになり、フランジ挟持部５によりフランジ部２が挟
持された状態の蓋受枠１のレベルを調整することができ
る。The nut member 4 and the adjusting bolt 3 screwed to the nut member 4 constitute another part of the lid receiving frame level adjusting tool of the present invention. As described above, the nut member 4 includes the sliding portion 12 that is attachable to and detachable from the flange member 5.
And a nut portion 4'to which the adjusting bolt 3 is screwed. Long arm part 16 formed integrally with the sliding part 12
The short arm portion 17 can be inserted into the two elongated through holes 15 'formed in the outer end surface 15 of the flange holding member 5, respectively. The nut portion 4 to which the adjusting bolt 3 is screwed is fixed to the vertical portion 18 of the sliding portion 12, and the sliding portion 12 is rotated by turning the adjusting bolt 3 screwed to the nut portion 4. Can move up and down. Sliding part 1
As the upper and lower portions 2 move up and down, the flange holding member 5 into which the long arm portion 16 and the short arm portion 17 are inserted moves up and down, so that the lid receiving frame 1 in which the flange portion 2 is held by the flange holding portion 5 is moved. You can adjust the level.
【００１４】図３は、本実施例において、蓋受枠１を設
置している状態を示す。蓋受枠１を設置するときまず
は、蓋受枠１のフランジ部２の複数箇所に蓋受枠の半径
方向からレベル調整具のフランジ挟持部材５を嵌合させ
た状態で、蓋受枠１をマンホールの細径部である首部ブ
ロック１１の上端面に載置する。そして、弾性材の内型
枠７を蓋受枠１の下部内周面および首部ブロック１１の
上部内周面に圧接することによって、蓋受枠１と首部ブ
ロック１１との間に生じた環状の空隙部８を内側から密
閉する。それと同時に、前記ナット部材４の摺動部１２
が上下動できるように形成した切り欠き部１４を有する
外型枠９により、外側から該空隙部５を囲むようにす
る。そして、調整ボルト３の頭部を回すことにより、摺
動部１２を含むナット部材４が上下動となり、摺動部１
２が装着されたフランジ挟持部材５の上下動に伴って、
路面６に対し蓋受枠１の高さおよびその傾斜状態を一致
させることができる。FIG. 3 shows a state in which the lid receiving frame 1 is installed in this embodiment. When the lid receiving frame 1 is installed, first, the lid receiving frame 1 is fitted into the flange portion 2 of the lid receiving frame 1 in the radial direction of the lid receiving frame in the radial direction of the lid receiving frame 1 so that the lid receiving frame 1 has a small diameter of the manhole. It is placed on the upper end surface of the neck block 11 which is a part. Then, the inner mold frame 7 made of an elastic material is brought into pressure contact with the lower inner peripheral surface of the lid receiving frame 1 and the upper inner peripheral surface of the neck block 11, thereby forming an annular space between the lid receiving frame 1 and the neck block 11. Seal 8 from the inside. At the same time, the sliding portion 12 of the nut member 4
The void 5 is surrounded from the outside by an outer frame 9 having a notch 14 formed so as to be vertically movable. Then, by rotating the head of the adjusting bolt 3, the nut member 4 including the sliding portion 12 moves up and down, and the sliding portion 1
With the vertical movement of the flange holding member 5 to which 2 is attached,
It is possible to match the height of the lid receiving frame 1 with the road surface 6 and the inclined state thereof.
【００１５】次いで、蓋受枠１と首部ブロック１１との
間に生じた環状の空隙部５にモルタル１を外型枠９の外
側から注入するが、モルタル注入に先行して、モルタル
１０が外へ漏れないようするために、外型枠９に形成し
た切り欠き部１４に対しベニヤ等の薄板材を利用し外型
枠９の外面から閉塞する。モルタルを注入した後に所要
に硬化した時点で、調整ボルト３を螺合した状態の、摺
動部１２を含むナット部材４を、外型枠９の外側方向へ
引き抜くことによって外側へ離脱する。そして、外型枠
９および内型枠７を撤去し、蓋受枠１の周囲を砕石や土
砂等で埋め戻し、上部をアスファルト等により舗装す
る。これによって、蓋受枠１の設置作業を完了する。Next, the mortar 1 is poured into the annular space 5 formed between the lid receiving frame 1 and the neck block 11 from the outside of the outer mold form 9. Prior to the mortar pouring, the mortar 10 goes out. In order to prevent leakage, a thin plate material such as veneer is used for the notch 14 formed in the outer mold 9 to close it from the outer surface of the outer mold 9. At the time when the mortar is injected and then hardened as required, the nut member 4 including the sliding portion 12 in the state where the adjusting bolt 3 is screwed is pulled out toward the outside of the outer mold form 9 to be detached to the outside. Then, the outer mold 9 and the inner mold 7 are removed, the periphery of the lid receiving frame 1 is backfilled with crushed stone, earth and sand, and the upper part is paved with asphalt or the like. This completes the installation work of the lid receiving frame 1.
【００１６】従って、上述した蓋受枠レベル調整具を利
用することによって、マンホール蓋受枠１の嵩上げ調整
時には、調整用ボルト３が螺合されたナット部材４をボ
ルト３とセット状態で、蓋受枠１のフランジ部２の外周
に固定されたフランジ挟持部材５に着脱可能に固定セッ
トさせ、モルタル充填後においてモルタルが所要に硬化
したあと、調整用ボルト３及びナット部材４をフランジ
挟持部材４から離脱して再利用可能となる。Therefore, by using the above-mentioned lid receiving frame level adjusting tool, when adjusting the height of the manhole lid receiving frame 1, the nut receiving member 4 in which the adjusting bolt 3 is screwed is set with the bolt 3, and the lid receiving frame 1 is set. The flange holding member 5 fixed to the outer periphery of the flange portion 2 is detachably fixed and set, and after the mortar is hardened as required after the mortar is filled, the adjusting bolt 3 and the nut member 4 are removed from the flange holding member 4. Can be reused.
【００１７】[0017]
【発明の効果】以上に説明したように、本発明の蓋受枠
レベル調整具を使用することによって、マンホールの蓋
受枠を設置したあと、設置作業時に使用されたレベル調
整具の一部を簡単に離脱させることができるので、次の
設置作業に再利用でき、蓋受枠のレベル調整具にかかる
材料費を従来例の半分以下に低減することができる。As described above, by using the lid receiving frame level adjusting tool of the present invention, after installing the manhole lid receiving frame, a part of the level adjusting tool used during the installation work can be easily performed. Since it can be detached, it can be reused for the next installation work, and the material cost for the level adjusting tool of the lid receiving frame can be reduced to less than half that of the conventional example.
【図１】本発明の蓋受枠レベル調整具を分解した状態を
示す斜視図FIG. 1 is a perspective view showing a state in which a lid receiving frame level adjusting tool of the present invention is disassembled.
【図２】本発明の蓋受枠レベル調整具を蓋受枠のフラン
ジ２に取り付けた状態を示す断面図FIG. 2 is a sectional view showing a state in which the lid receiving frame level adjusting tool of the present invention is attached to a flange 2 of the lid receiving frame.
【図３】本発明の蓋受枠レベル調整具を用いて蓋受枠を
設置している状態を示す断面図FIG. 3 is a cross-sectional view showing a state where a lid receiving frame is installed using the lid receiving frame level adjusting tool of the present invention.
【図４】従来の蓋受枠レベル調整具を示す斜視図FIG. 4 is a perspective view showing a conventional lid receiving frame level adjusting tool.
【図５】従来の蓋受枠レベル調整具を用いて蓋受枠を設
置している状態を示す断面図FIG. 5 is a cross-sectional view showing a state in which a lid receiving frame is installed using a conventional lid receiving frame level adjusting tool.
３ 調整ボルト ４ ナット部材 ５ フ
ランジ挟持部 １２ 摺動部 １３ 調整ビス3 Adjustment Bolt 4 Nut Member 5 Flange Clamping Part 12 Sliding Part 13 Adjustment Screw
Claims (1)
部ブロック上面にレベル調整具を介して路面レベルと符
合する高さに嵩上げし、蓋受枠と首部ブロック上面との
間に生じる空隙部に内型枠、外型枠をセットしてモルタ
ルを充填するマンホール蓋受枠の嵩上げ用レベル調整具
において、 上記レベル調整具は、マンホール蓋受枠のフランジ部を
半径方向から挟持するＵ字形のフランジ挟持部材と、該
フランジ挟持部材の外端面に着脱可能に固定されるナッ
ト部材と、ナット部材に直立状に螺合されて蓋受枠をマ
ンホール上端の首部ブロック上面に支持する高さ調整用
ボルトとからなり、 マンホール蓋受枠の嵩上げ調整時には、調整用ボルトが
螺合されたナット部材をボルトとセット状態で、蓋受枠
のフランジ部外周に固定されたフランジ挟持部材に着脱
可能に固定セットさせ、モルタル充填後においてモルタ
ルが所要に硬化したあと、調整用ボルト及びナット部材
をフランジ挟持部から離脱して再利用可能にしてなるこ
とを特徴とするマンホール蓋受枠のレベル調整具。1. A manhole cover frame receiver is raised to a height corresponding to a road surface level through a level adjuster on an upper surface of a neck block at an upper end of a manhole, and a manhole cover frame is provided in a space formed between the cover frame and the upper surface of the neck block. A level adjusting tool for raising a manhole cover receiving frame in which a mold frame and an outer frame are set and filled with mortar, wherein the level adjusting device is a U-shaped flange clamping member that clamps a flange portion of the manhole cover receiving frame from a radial direction. A nut member removably fixed to the outer end surface of the flange holding member, and a height adjusting bolt that is screwed upright on the nut member to support the lid receiving frame on the upper surface of the neck block at the upper end of the manhole, When adjusting the height of the manhole cover receiving frame, the nut member screwed with the adjusting bolt is set with the bolt, and the flange fixed to the outer periphery of the flange part of the cover receiving frame. A manhole cover receiving frame characterized by being detachably fixed to a holding member, and after the mortar has been hardened as required after mortar filling, the adjusting bolt and nut members can be separated from the flange holding portion and reused. Level adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16675694A JP3469318B2 (en) | 1994-07-19 | 1994-07-19 | Level adjustment tool for manhole cover frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16675694A JP3469318B2 (en) | 1994-07-19 | 1994-07-19 | Level adjustment tool for manhole cover frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0827821A true JPH0827821A (en) | 1996-01-30 |
| JP3469318B2 JP3469318B2 (en) | 2003-11-25 |
Family
ID=15837149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16675694A Expired - Fee Related JP3469318B2 (en) | 1994-07-19 | 1994-07-19 | Level adjustment tool for manhole cover frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3469318B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8858114B2 (en) | 2012-05-25 | 2014-10-14 | Chris Gaspar | Adjustable support apparatus for a utility access cover |
| CN109629605A (en) * | 2019-01-16 | 2019-04-16 | 中交公局海威工程建设有限公司 | Road inspection well well lid construction equipment and construction technology |
| KR102346853B1 (en) * | 2020-12-16 | 2022-01-04 | 정성옥 | Manhole construction structure |
-
1994
- 1994-07-19 JP JP16675694A patent/JP3469318B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8858114B2 (en) | 2012-05-25 | 2014-10-14 | Chris Gaspar | Adjustable support apparatus for a utility access cover |
| CN109629605A (en) * | 2019-01-16 | 2019-04-16 | 中交公局海威工程建设有限公司 | Road inspection well well lid construction equipment and construction technology |
| KR102346853B1 (en) * | 2020-12-16 | 2022-01-04 | 정성옥 | Manhole construction structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3469318B2 (en) | 2003-11-25 |
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