JPH08326082A - Method of displaying information on manhole cover and cutting device used therefor - Google Patents
Method of displaying information on manhole cover and cutting device used thereforInfo
- Publication number
- JPH08326082A JPH08326082A JP7137754A JP13775495A JPH08326082A JP H08326082 A JPH08326082 A JP H08326082A JP 7137754 A JP7137754 A JP 7137754A JP 13775495 A JP13775495 A JP 13775495A JP H08326082 A JPH08326082 A JP H08326082A
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- cutting blade
- cutting
- cut
- plate
- 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
(57)【要約】
【目的】 マンホール蓋への簡易な情報表示方法と、こ
の蓋の設置場所で蓋をそのまま移動することなく、簡単
かつ迅速に蓋の表面の一部を選択的に切削加工すること
が可能な切削装置を提供することを目的とする。
【構成】 切削装置は、大きく分けて、中央に開口を有
するベースプレート２と、該ベースプレート上に旋回可
能に設けた円盤状旋回プレート４と、該旋回プレートの
旋回中心とは異なる位置に回転中心をもつように該プレ
ートに取り付けられ切削刃部６と、該切削刃部をベース
プレートの開口を通して蓋の被切削箇所に押し付け可能
にした切削刃部昇降保持部とから構成され、切削刃部６
の自転と旋回プレート４の旋回による切削刃部の公転に
よりマンホール蓋１の被切削箇所を正確に切削する。前
記ベースプレート２にはマンホール蓋１の鍵穴１ａに挿
入する位置決めピン３と固定用マグネット１２或いはピ
ン油圧固定手段１３を設けており、かつ切削刃部６はマ
ンホール蓋の被切削箇所の中心を含む範囲を切削可能に
している。
(57) [Summary] [Purpose] A simple method of displaying information on the manhole cover, and selectively and partly cutting the surface of the cover easily and quickly without moving the cover as it is. It is an object of the present invention to provide a cutting device capable of performing. [Constitution] The cutting device is roughly divided into a base plate 2 having an opening at the center, a disc-shaped turning plate 4 rotatably provided on the base plate, and a rotation center at a position different from the rotation center of the turning plate. The cutting blade portion 6 is attached to the plate so as to have the cutting blade portion 6 and the cutting blade portion elevating / holding portion capable of pressing the cutting blade portion to the cut portion of the lid through the opening of the base plate.
The cut portion of the manhole cover 1 is accurately cut by the revolution of the cutting blade portion by the rotation of the rotating plate and the turning plate 4. The base plate 2 is provided with a positioning pin 3 to be inserted into the keyhole 1a of the manhole cover 1 and a fixing magnet 12 or a pin hydraulic fixing means 13, and the cutting blade portion 6 is a range including the center of a cut portion of the manhole cover. Can be cut.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、マンホール蓋への情報
表示方法及びこの方法を実施するためのマンホール蓋切
削装置、特に、マンホール蓋のマーク部分のような特定
の箇所のみを選択的に切削して必要な情報表示を行う方
法とそのための切削装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for displaying information on a manhole cover and a manhole cover cutting apparatus for carrying out this method, and more particularly, selectively cutting only a specific part such as a mark part of the manhole cover. The present invention relates to a method for displaying necessary information and a cutting device therefor.
【０００２】なお、本発明の対象とするマンホール蓋
は、地中や地下道に通じ作業員が入るためのたて穴であ
るマンホールに被せる蓋を意味するが、本発明は作業員
が入らないハンドホールに被せる蓋についても適用でき
ることから、本発明におけるマンホール蓋はハンドホー
ル蓋をも含むものとして説明する。The manhole cover which is the object of the present invention means a cover which covers a manhole which is a vertical hole for workers to enter in the ground or underpass, but the present invention is applicable to handholes where workers cannot enter. The manhole cover in the present invention will be described as including a handhole cover because it can be applied to a cover.
【０００３】[0003]
【従来の技術】一般に、マンホール蓋は円形又は矩形で
重量及び厚みのある鋳鉄でつくられ、地下に埋設される
マンホール上部の「マンホール蓋用受け枠」に嵌め込ま
れて使用される。このマンホール蓋には、その所有者を
示すマークが中央部などに表示されるのが一般的であ
る。ところがマンホール蓋の寿命は相当に長いので、所
有者マークのついたマンホール蓋が設置された後になっ
て、所有者の名称やマークが変更されることも少なから
ず起こり得る。道路には所有者の異なる何種類ものマン
ホールが共存しているが、それらのマンホールにはそれ
ぞれの所有者の必要に応じて作業者が蓋を開けて内部に
入り、作業を行う場合がある。この時、作業者が入るべ
きマンホールの特定には、マンホール蓋に表示されてい
る所有者マークが識別のための重要な決め手になってい
る。このような場合に、マンホールの所有者マークが変
更された後、長期間にわたって新しいマークに修正され
ないままに放置されていると、作業者が入るべきマンホ
ールを間違えて認識する危険があり、工事への支障や安
全上の問題等が発生する心配がある。2. Description of the Related Art Generally, a manhole cover is made of cast iron having a circular or rectangular shape and having a large weight and thickness, and is used by being fitted into a "manhole cover receiving frame" above a manhole buried underground. In general, a mark indicating the owner of the manhole cover is displayed on the central portion or the like. However, since the life of the manhole cover is considerably long, it is possible that the name or mark of the owner is changed after the manhole cover with the owner mark is installed. Many kinds of manholes with different owners coexist on the road, and workers may open the lids and enter the inside of the manholes depending on the needs of each owner to perform work. At this time, the owner mark displayed on the manhole cover is an important decisive factor for identifying the manhole into which the worker should enter. In such a case, if the owner mark of the manhole is changed and left uncorrected for a long period of time without being modified to a new mark, there is a risk that workers will mistakenly recognize the manhole to enter, and There is a concern that there may be problems and safety issues.
【０００４】また、数多いマンホールの個別管理のため
には、単に所有者マークのみでなく、製作者名や製作
日、もしくは管理番号等を付することが望ましいことは
いうまでもない。さらに近年は、地域の再開発等に関連
して、道路上などに各種の模様や色彩、方角や名所の方
向などを表示したりすることも広く行われるようになっ
ている。そのような表現を道路だけでなく、道路上に相
当な頻度で設置されているマンホール蓋に対しても行う
ことができれば、街の景観性や情報伝達機能を一層向上
させることができる。Needless to say, in order to manage many manholes individually, it is desirable to attach not only the owner mark but also the name of the manufacturer, the date of manufacture, or the management number. Further, in recent years, various patterns and colors, directions, directions of famous places, and the like have been widely displayed on roads in connection with redevelopment of regions. If such an expression can be applied not only to the road but also to the manhole cover that is installed on the road at a considerable frequency, it is possible to further improve the cityscape and the information transmission function.
【０００５】以上のようにマンホール蓋に既にあるマー
クを変更したり、或いは街の景観性などに応じて新しい
情報をマンホール蓋の一部に付け加えたい場合には、こ
れらの表示がなされた新しいマンホール蓋を作って、古
いものと交換することが必要であった。しかし、マンホ
ール蓋は厚みのある鋳物等で強固に作られるいるので、
車両の通行の激しい車道設置のものはともかく、歩道に
設置されたものは長期間使用される上、もともとマンホ
ールそのものが摩耗の激しい車道を避けて歩道に設置さ
れる傾向があるために、寿命による更新を待っていては
何時までも古いままのマンホール蓋が残存し続けること
になる。As described above, when the mark already on the manhole cover is changed or when it is desired to add new information to a part of the manhole cover according to the scenery of the city, etc., these new manholes are displayed. It was necessary to make a lid and replace it with an old one. However, since the manhole cover is made of thick casting etc.,
Depending on the life of the vehicle, the ones installed on the sidewalks will be used for a long time, and the manholes will tend to be installed on the sidewalks avoiding the heavily worn roadways. If you wait for the update, the old manhole cover will remain forever.
【０００６】また、マンホール蓋の新規製作時に必要な
情報をすべて作り込むことも、実際には容易なことでは
ない。鋳物では微細な表現はできないし、管理番号や製
作日、名所や方向の表示等の製品ごとに異なる表示をす
ることも困難である。そのためこのような表示の必要性
は認められながらも、現実には実行されずに終わってい
ることがほとんどといってよい状況であった。In addition, it is not easy in practice to incorporate all the necessary information when a manhole cover is newly manufactured. It is not possible to make detailed representations with castings, and it is difficult to display different numbers for each product, such as the control number, the date of manufacture, the sights and directions. Therefore, although the need for such a display was recognized, it was almost the situation that it was not actually executed and ended.
【０００７】[0007]
【発明が解決しようとする課題】既製のマンホール蓋上
面の所有者マークを修正したり、または既製のマンホー
ル蓋の任意の部分に新しい各種情報の表示を付加するこ
とが可能となれば、強度面では使用可能なマンホール蓋
を、単に表示のためだけの理由で廃棄・更新することが
不要となる。If it becomes possible to correct the owner's mark on the upper surface of the ready-made manhole cover, or add new information display to any part of the ready-made manhole cover, the strength surface will be improved. Then, it becomes unnecessary to dispose and renew the usable manhole cover just for the purpose of display.
【０００８】この場合既製のマンホール蓋の所定部分
に、ただ新しいマークや各種情報を表示したワッペン状
のものを貼り付けようとしても、マンホール蓋表面は所
有者マークや滑り止めのための凹凸模様などがあって、
安定した状態で固定することはできない。また、仮に固
定ができたとしても、そのワッペンの厚みがマンホール
蓋の上に部分的に乗る形になるために、通行人がつまず
いたり、ワッペンが端部から急速に摩耗したり、さらに
はワッペンとマンホール蓋の間に隙間が生じて雨水など
が保有され易くなり、マンホール蓋の腐食が促進される
等の不都合が生じてしまう。In this case, even if an attempt is made to paste a new mark or a patch that displays various information on a predetermined portion of the manhole cover, the manhole cover surface has an owner mark or an uneven pattern for preventing slippage. There is
It cannot be fixed in a stable state. Even if it could be fixed, the thickness of the patch would be such that it partially rides on the manhole cover, which may cause pedestrians to stumble, the patch to wear rapidly from the end, or even the patch. There is a gap between the manhole cover and the manhole cover, so that rainwater or the like is likely to be retained, which causes problems such as corrosion of the manhole cover being promoted.
【０００９】このような欠点を避けるために、新しい所
有者マークや各種の情報の表示は、マンホール蓋の表面
に出っ張らない形で、かつマンホール蓋との接着面に隙
間が生じないような形で実現させることが必要である。In order to avoid such drawbacks, the display of a new owner mark and various kinds of information should be such that the surface of the manhole cover does not protrude and no gap is formed on the adhesive surface with the manhole cover. It is necessary to realize it.
【００１０】本発明はこのような点に鑑みなされたもの
で、所有者マークや各種の情報等を、簡便にかつ安価に
マンホール蓋に表示することが可能な方法を提供するこ
とを第一の目的とする。この場合、マンホール蓋を現場
から動かして工場内で処理するだけでなく、マンホール
が既に設置されている道路上などの現場においても、実
行できるような方法であることを前提としたものである
ことはいうまでもない。また、本発明の別の目的は、上
述の同じ前提下で、マンホール蓋の表面上の任意の部分
を、簡単かつ迅速に切削することが可能な切削装置を提
供することである。The present invention has been made in view of the above circumstances, and it is a first object of the present invention to provide a method capable of easily and inexpensively displaying an owner mark and various information on a manhole cover. To aim. In this case, it is assumed that the method can be carried out not only by moving the manhole cover from the site and processing it in the factory, but also on the site where the manhole is already installed, such as on the road. Needless to say. Another object of the present invention is to provide a cutting device capable of easily and quickly cutting any part on the surface of the manhole cover under the same premise described above.
【００１１】[0011]
【課題を解決するための手段】この目的を達成するため
の本発明の要旨は次の通りである。 （１）既製のマンホール蓋の任意の部分を一定深さにわ
たって切削し、この切削箇所にマンホール所有者章等の
必要な情報表示をもつワッペンを貼付することを特徴と
するマンホール蓋への情報表示方法。 （２）マンホール蓋の鍵穴に挿入する位置決めピンと固
定用マグネットを設け中央に開口を有するベースプレー
トと、該ベースプレート上に旋回可能に設けた円盤状旋
回プレートと、該旋回プレートの旋回中心とは異なる位
置に回転中心をもつように該プレートに取り付けられか
つマンホール蓋の被切削箇所の中心を含む範囲を切削可
能な切削刃部と、該切削刃部をベースプレートの開口を
通して蓋の被切削箇所に押し付け可能にした切削刃部昇
降保持部とからなり、切削刃部の自転と旋回プレートの
旋回による切削刃部の公転によりマンホール蓋の被切削
箇所を切削することを特徴とするマンホール蓋の切削装
置。 （３）上記（２）記載の切削装置において、マンホール
蓋に対するベースプレートの固定手段として、マンホー
ル蓋の鍵穴に挿入する位置決めピンと該ピンを蓋に固定
する油圧手段とを設けたことを特徴とするマンホール蓋
の切削装置。The gist of the present invention for achieving this object is as follows. (1) Information display on the manhole cover, which is characterized by cutting an arbitrary part of a ready-made manhole cover over a certain depth and attaching a patch with necessary information display such as the manhole owner's chapter to this cutting position. Method. (2) A base plate having a central opening provided with a positioning pin to be inserted into a keyhole of a manhole cover and a fixing magnet, a disc-shaped swivel plate swivelable on the base plate, and a position different from the swivel center of the swivel plate A cutting blade that is attached to the plate so that it has a center of rotation and that can cut a range including the center of the cut portion of the manhole lid, and the cutting blade can be pressed against the cut portion of the lid through the opening of the base plate. A cutting device for a manhole cover, which comprises a cutting blade part elevating / holding part, and cuts a portion to be cut of the manhole cover by revolving the cutting blade part by rotating the cutting blade part and revolving the swiveling plate. (3) In the cutting device described in (2) above, as a fixing means of the base plate to the manhole cover, a positioning pin to be inserted into a keyhole of the manhole cover and a hydraulic means to fix the pin to the cover are provided. Lid cutting device.
【００１２】[0012]
【作用】本発明においては、切削しようとする既設のマ
ンホール蓋の上方に切削装置を移動して置き、そのベー
スプレートを、位置決めピンの蓋鍵穴への挿入とその固
定用のマグネット或いは油圧手段により堅固にマンホー
ル蓋に保持固定して位置合わせした後、この状態で切削
刃を下げて蓋の所定の被切削箇所に押し当て、切削刃自
身の自転と旋回プレートの旋回動作による切削部の公転
により、被切削箇所、例えばマンホール蓋中央部のマー
ク部分を一定の深さにわたって削り取る。尚、既設のマ
ンホール蓋を移動させることが可能な場合や、所定の場
所に設置される前のマンホール蓋を加工する場合には、
マンホール蓋の方を切削装置の下に持ち込んで切削加工
を行うことができることはいうまでもない。いずれかの
方法で削り取ったマンホール蓋上の凹んだ部分に、新し
いマークもしくは各種情報を表示したゴム製等のワッペ
ンを貼り付ける。切削箇所は蓋の表面であればいずれの
場所でもよく、また、新しい表示は製作者や設置年月
日、管理番号や模様、色彩並びに東西南北の方角や表
示、名所、災害時の避難場所など、どのようなものであ
ってもよい。更に、切削刃の自転、旋回プレートの公転
の開始及び停止動作は、全て制御盤やリミットスイッチ
等の手段を設けて自動的に行わせるようにすることがで
きる。In the present invention, the cutting device is moved and placed above the existing manhole cover to be cut, and the base plate thereof is firmly fixed by the magnet or hydraulic means for inserting the fixing pin into the cover key hole and fixing it. After holding and fixing to the manhole cover and aligning it, lower the cutting blade in this state and press it against the predetermined cut point on the cover, and by the revolution of the cutting blade itself and the revolution of the cutting part by the swiveling motion of the swivel plate, A portion to be cut, for example, a mark portion in the central portion of the manhole cover is shaved off over a certain depth. In addition, if it is possible to move the existing manhole cover, or if you want to process the manhole cover before it is installed in the predetermined place,
It goes without saying that the manhole cover can be brought under the cutting device to perform the cutting process. Stick a new mark or a patch made of rubber or the like that displays various information on the recessed part on the manhole cover that was scraped off by either method. The cutting place can be anywhere on the surface of the lid, and the new indication is the manufacturer, installation date, control number and pattern, color and direction and indication of north, south, east, west, famous place, evacuation site in case of disaster etc. , May be anything. Further, the rotation of the cutting blade and the start and stop of the revolution of the swivel plate can be automatically performed by providing means such as a control panel and a limit switch.
【００１３】なお、マンホール蓋は、サイズの異なるも
のや或いは円形のものに限らず矩形のもの、或いは被切
削範囲が異なるものがあるので、切削刃形の変更や、位
置決めピンと切削刃部の位置関係並びに切削刃部の公転
半径を調整可能にすることによって、複数種類のマンホ
ール蓋に適用し得るようにしておくことが好ましい。ま
た、本発明でワッペンとは、ゴムや樹脂、金属、陶器等
を素材とし、前記のマンホールの所有者章等の表示を施
したものをいう。The manhole cover is not limited to one having a different size or circular shape, but may have a rectangular shape or a range to be cut. Therefore, the shape of the cutting blade is changed and the position of the positioning pin and the cutting blade portion is changed. It is preferable that the relationship and the revolution radius of the cutting blade can be adjusted so that it can be applied to a plurality of types of manhole covers. Further, in the present invention, the patch means a material made of rubber, resin, metal, pottery or the like, which is marked with the owner chapter of the manhole or the like.
【００１４】さらに、本発明においては、マンホール蓋
を一定深さに切削するということは、元来マンホール蓋
にある凹凸部の凹部の底部面と同程度に削るという意味
であり、この切削によってマンホール蓋自体の強度が低
下するおそれは全くない。Further, in the present invention, cutting the manhole cover to a certain depth means that the manhole cover is originally ground to the same extent as the bottom surface of the concave portion of the uneven portion of the manhole cover. There is no possibility that the strength of the lid itself will decrease.
【００１５】[0015]
【実施例】以下、本発明に係る切削装置の実施例を図面
に基づいて説明する。図１は切削装置の平面図、図２は
その断面図である。図示するように切削装置は、マンホ
ール蓋１の鍵穴（鍵穴）１ａに対応する両側に位置決め
ピン３をもち中央に開口を有するベースプレート２と、
該ベースプレート２上に軸受け９を介してマンホール蓋
１のほぼ中心を旋回中心として旋回する円盤状旋回プレ
ート４と、該旋回プレート４の旋回中心に対しずれた位
置に回転中心をもつように切削刃部６を下端に取り付け
た刃物回転用主軸モータ５と、該切削刃部６をベースプ
レート２の開口を通して蓋１の被切削箇所に押し付け可
能にするため前記主軸モータ５を昇降自在に保持する刃
物昇降用モータ８を有する昇降機構７と、から構成され
ている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cutting device according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of the cutting device, and FIG. 2 is a sectional view thereof. As shown in the drawing, the cutting device includes a base plate 2 having positioning pins 3 on both sides corresponding to a keyhole (keyhole) 1a of a manhole cover 1 and having an opening at the center,
A disc-shaped swivel plate 4 which swivels on the base plate 2 via a bearing 9 about the swivel center of the manhole cover 1, and a cutting blade having a rotation center at a position deviated from the swivel center of the swivel plate 4. A spindle motor 5 for rotating a blade having a portion 6 attached to the lower end thereof, and a blade raising and lowering tool for holding the spindle motor 5 in a vertically movable manner so that the cutting blade portion 6 can be pressed through the opening of the base plate 2 to a portion to be cut of the lid 1. And an elevating mechanism 7 having a driving motor 8.
【００１６】位置決めピン３は、上端につまみ１０、下
部にロックピン１１を有しており、装置本体のマンホー
ル蓋１に対する位置決めの際、この位置決めピン３を、
蓋に設けた円形で直径方向に切り欠きを有する貫通孔で
ある鍵穴１ａに挿入し、つまみ１０により位置決めピン
３を回転してロックピン１１を９０°回して抜けないよ
うにしている。必要に応じてこの位置決めピン３相互の
間隔を変更し得るように、ベースプレート２における位
置決めピン３の取り付け位置を調整可能にしておくこと
が好ましい。The positioning pin 3 has a knob 10 on the upper end and a lock pin 11 on the lower part, and when positioning the manhole cover 1 of the apparatus main body, the positioning pin 3 is
The lock pin 11 is inserted into a key hole 1a that is a circular through hole having a notch in the diameter direction provided in the lid, and the positioning pin 3 is rotated by the knob 10 to rotate the lock pin 11 by 90 degrees so as not to come off. The mounting position of the positioning pins 3 on the base plate 2 is preferably adjustable so that the distance between the positioning pins 3 can be changed as necessary.
【００１７】実際の切削作業に際しては、ベースプレー
ト２を強固にマンホール蓋１に固定する必要があるた
め、例えば、図１及び図２に示すように、ベースプレー
ト２の複数箇所にマグネット（電磁石）１２を設けて吸
着する方式を採用するか、もしくは図３に示す油圧機構
を備えている。図３（ａ）の油圧機構は、位置決めピン
３を中空シリンダ１３を介してベースプレート２に設置
し、蓋の鍵穴１ａに挿入したロックピン１１を固定位置
１１ａ（図３（ｂ）参照）に回した後、このシリンダ１
３内に油圧を作用させ、ピン３を押上げてロックピン１
１を蓋底面に押し当てる構造になっている。これらマン
ホール蓋への固定機構は、少なくともマグネット或いは
油圧機構のいずれかを設ければ良い。Since it is necessary to firmly fix the base plate 2 to the manhole cover 1 in the actual cutting work, for example, as shown in FIGS. 1 and 2, magnets (electromagnets) 12 are provided at a plurality of positions on the base plate 2. A method of providing and adsorbing is adopted, or a hydraulic mechanism shown in FIG. 3 is provided. In the hydraulic mechanism of FIG. 3A, the positioning pin 3 is installed on the base plate 2 via the hollow cylinder 13, and the lock pin 11 inserted in the key hole 1a of the lid is rotated to the fixed position 11a (see FIG. 3B). And then this cylinder 1
Apply hydraulic pressure inside 3 to push up pin 3 to lock pin 1
1 is pressed against the bottom of the lid. The fixing mechanism to the manhole cover may be provided with at least either a magnet or a hydraulic mechanism.
【００１８】また、円盤状旋回プレート４は、図１及び
図２に示す如く、軸受け９を介してベースプレート２に
旋回自在に保持されているが、その旋回機構としては、
ベースプレート２側にブラケット１４を介して設けた旋
回用モータ１５により回転するピニオンギア１６と、該
ギア１６に噛み合うように旋回プレート４の外周に設け
たギア４ａとにより構成される。尚、旋回プレート４の
旋回動作の自動停止を正確に制御するため、リミットス
イッチ１９をベースプレート２との間に設け（図２参
照）ておくことが望ましい。As shown in FIGS. 1 and 2, the disc-shaped turning plate 4 is rotatably held by the base plate 2 via a bearing 9, and the turning mechanism is as follows.
A pinion gear 16 that is rotated by a turning motor 15 provided on the base plate 2 side via a bracket 14 and a gear 4a provided on the outer circumference of the turning plate 4 so as to mesh with the gear 16. In addition, in order to accurately control the automatic stop of the turning operation of the turning plate 4, it is desirable to provide the limit switch 19 with the base plate 2 (see FIG. 2).
【００１９】さらに、切削部として切削刃部６、その回
転用モータ５及びその昇降保持機構７，８を示している
が、図１に示すように、切削刃部の取り付け位置はその
回転中心Ｏ2 が前記旋回プレート４の旋回中心Ｏ1 とは
異なるように配置している。従って、旋回プレート４の
旋回により切削刃部６の回転中心Ｏ2 は旋回中心Ｏ1を
中心にした円軌跡Ｃ（図１）にそって移動することにな
り、切削刃部６はモータ５による自転と旋回動作による
円軌跡Ｃにそって公転する。尚、昇降機構７としては、
例えば、モータ８により回動する送りねじに噛み合うナ
ット部をモータ５側に設けた方式を採用すればよい。Further, the cutting blade portion 6, the rotation motor 5 thereof, and the lifting / lowering holding mechanisms 7 and 8 are shown as the cutting portion. As shown in FIG. 1, the mounting position of the cutting blade portion is the rotation center O thereof. 2 is arranged so as to be different from the turning center O 1 of the turning plate 4. Therefore, the rotation center O 2 of the cutting blade portion 6 moves along the circular locus C (FIG. 1) around the rotation center O 1 by the rotation of the rotation plate 4, and the cutting blade portion 6 is moved by the motor 5. It revolves along a circular locus C due to rotation and turning motions. In addition, as the lifting mechanism 7,
For example, a method in which a nut portion that meshes with a feed screw rotated by the motor 8 is provided on the motor 5 side may be adopted.
【００２０】また、切削刃部６は、図４（ａ）（ｂ）に
示すように、外刃６ａと内刃６ｂをもち、かつ、図４
（ｃ）の如く刃物自体の大きさ（内刃の切削エリア１７
とほぼ一致する）は、中心部分の削り残しを避けるため
に、被切削箇所の中心を包含する大きさを有している。
１８は外刃の切削エリアであるが、これは実際のマンホ
ール蓋１の被切削箇所の範囲と同一である。外刃６ａと
内刃６ｂを設ける意味は、被切削箇所全面を均一に切削
するためであり、仮に内刃がない場合には図４（ｃ）に
示す切削エリア１７が切削できない。As shown in FIGS. 4 (a) and 4 (b), the cutting blade portion 6 has an outer blade 6a and an inner blade 6b, and
As shown in (c), the size of the blade itself (the cutting area of the inner blade 17
Has a size that includes the center of the cut portion in order to avoid the uncut portion of the central portion.
Reference numeral 18 denotes a cutting area of the outer blade, which is the same as the range of the actually cut portion of the manhole cover 1. The meaning of providing the outer blade 6a and the inner blade 6b is to uniformly cut the entire surface of the cut portion, and if the inner blade is not present, the cutting area 17 shown in FIG. 4C cannot be cut.
【００２１】図５は本発明の切削装置の操作系統部の例
を示している。制御盤２０においては、切削刃部の回転
用モータ５、旋回用モータ１５の起動を指令したり、リ
ミットスイッチ１２からの信号によりモータの停止を指
令したり、さらには、複数個のマグネット１２の通電の
オンオフ信号を発したり、もしくは位置決めピン３の固
定を行う中空シリンダ１３に続く油圧源２１と電磁弁２
２の制御を行うようになっている次に、図示の装置を用
いた本発明による切削操作について説明する。装置本体
を作業車両等に積載して切削すべきマンホール位置に搬
送し、マンホール蓋１の上に置き、位置決めピン３を蓋
１の鍵穴１ａに差し込み、制御盤２０からの指示により
マグネット１２に通電し蓋に吸着させ、ベースプレート
２をマンホール蓋１に固定する。油圧の場合は、ロック
ピン１１を固定位置にしてからシリンダ１３に油圧をか
け、位置決めピン３を押上げ、ピン１１を蓋１に固定す
る。FIG. 5 shows an example of the operation system portion of the cutting device of the present invention. In the control panel 20, a command to start the rotation blade motor 5 and the rotation motor 15 for the cutting blade portion, a command to stop the motor by a signal from the limit switch 12, and a plurality of magnets 12 are provided. A hydraulic source 21 and a solenoid valve 2 following a hollow cylinder 13 that issues an on / off signal for energization or fixes the positioning pin 3.
Now, the cutting operation according to the present invention using the illustrated apparatus will be described. The device body is loaded on a work vehicle or the like, conveyed to a manhole position to be cut, placed on the manhole cover 1, the positioning pin 3 is inserted into the key hole 1a of the cover 1, and the magnet 12 is energized by an instruction from the control panel 20. Then, the base plate 2 is fixed to the manhole cover 1 by adsorbing it on the cover. In the case of hydraulic pressure, hydraulic pressure is applied to the cylinder 13 after the lock pin 11 is set to the fixed position, the positioning pin 3 is pushed up, and the pin 11 is fixed to the lid 1.
【００２２】次いで、制御盤２０からの指示により主軸
モータ５を駆動し、切削刃部６を回転させると共に、昇
降用モータ８を起動し、昇降機構７を介して回転中の切
削刃部６を下降させ、マンホール蓋１の被切削部分１ｂ
に押し付け、所定の切り込み深さまで切削して下降を停
止する。この切削刃６の回転と下降により図４（ｃ）に
示す切削エリア１７と切削エリア１８の境界部分が切削
される。引き続き制御盤２０からの信号により旋回モー
タ１５を始動させ、旋回プレート４を旋回させると、切
削刃部６の外刃６ａと内刃６ｂは旋回プレート４の旋回
により公転し、マンホール蓋１の被切削部分１ｂ（例え
ば、蓋中央部のマーク部分）全面を切削する。Then, the spindle motor 5 is driven by an instruction from the control board 20 to rotate the cutting blade portion 6 and at the same time the lifting motor 8 is started to move the cutting blade portion 6 which is rotating through the lifting mechanism 7. Lower the manhole cover 1 to be cut 1b
Then, it is cut to a predetermined cutting depth and stopped descending. By the rotation and lowering of the cutting blade 6, the boundary portion between the cutting area 17 and the cutting area 18 shown in FIG. 4C is cut. When the turning motor 15 is subsequently started by the signal from the control board 20 and the turning plate 4 is turned, the outer blade 6a and the inner blade 6b of the cutting blade portion 6 are revolved by the turning of the turning plate 4, and the manhole cover 1 is covered. The entire surface of the cut portion 1b (for example, the mark portion at the center of the lid) is cut.
【００２３】切削終了点に取り付けているリミットスイ
ッチ１９の動作によりモータ１５の回転を止めて旋回プ
レート４の旋回を停止し、つぎに昇降モータ８が動作し
切削刃部６を上昇させると同時に、主軸モータ５が停止
する。切削終了点は、公転角度を３６０°より僅かな角
度過ぎた位置にしておけば、切削残しをなくすことがで
きる。The rotation of the motor 15 is stopped by the operation of the limit switch 19 attached to the cutting end point to stop the turning of the turning plate 4, and then the lifting motor 8 is operated to raise the cutting blade portion 6 and at the same time, The spindle motor 5 stops. If the cutting end point is set at a position where the revolution angle is slightly smaller than 360 °, the uncut residue can be eliminated.
【００２４】切削が終了したなら装置本体を取り外す
が、この操作は上記した取り付け操作と反対となる。即
ち、マグネットもしくは油圧を解除すると共に、位置決
めピン３を回して蓋から引き抜き、装置本体を移動させ
る。When the cutting is completed, the main body of the apparatus is removed, but this operation is the opposite of the above-mentioned mounting operation. That is, the magnet or the hydraulic pressure is released, and the positioning pin 3 is rotated and pulled out from the lid to move the apparatus main body.
【００２５】本発明においては、切削作業開始に際して
位置決めピンをマンホール蓋に挿入固定した時点で切削
部の位置が被切削開始位置に一致するように、予めピン
及び／又は切削部の位置を設定しておく。従って、マン
ホールの種類やサイズが変更される場合には、作業前に
予めピン及び／又は切削部の位置を調整することにな
る。また、被切削箇所の大きさや場所の変更に対して
は、切削刃形の変更や、位置決めピンと切削刃部の位置
関係並びに切削刃部の公転半径をある程度調整可能にす
ることによって対応し得る。In the present invention, the position of the pin and / or the cutting portion is set in advance so that the position of the cutting portion coincides with the position to be cut when the positioning pin is inserted and fixed in the manhole cover at the start of cutting work. Keep it. Therefore, when the type or size of the manhole is changed, the position of the pin and / or the cutting portion is adjusted before the work. Further, it is possible to cope with a change in size or location of the cut portion by changing the cutting edge shape, and adjusting the positional relationship between the positioning pin and the cutting edge and the revolution radius of the cutting edge to some extent.
【００２６】なお、図示の例ではマンホール蓋の中央の
マーク部分の切削を説明したが、本発明はこれに限ら
ず、マンホール蓋の他の部分の切削にも利用でき、切削
後の箇所に、製作者名、製作日、管理番号、模様、色
彩、東西南北の方角や名所もしくは災害時の避難場所な
どの名称や方向等の表示を付することも可能である。In the illustrated example, the cutting of the central mark portion of the manhole cover has been described. However, the present invention is not limited to this, and can be used for cutting other parts of the manhole cover. It is also possible to add a name, direction, etc. of the manufacturer name, production date, management number, pattern, color, direction of north, south, east, west, and famous places or evacuation sites in the event of a disaster.
【００２７】すなわち、図６及び図７は、マンホール蓋
１の中央部分以外の箇所を切削した後、そこに名所案内
用のワッペン２３（図６）や、２カ所切削してそこに模
様ワッペン２４及び災害時の避難場所の方向を表示した
ワッペン２５を貼付した具体例を示している。That is, in FIGS. 6 and 7, after cutting a part other than the central part of the manhole cover 1, a patch 23 (FIG. 6) for guiding the sights is cut there, or a pattern patch 24 is cut in two places. Also, a specific example in which a patch 25 indicating the direction of the evacuation site at the time of a disaster is attached is shown.
【００２８】[0028]
【発明の効果】以上の如く本発明のマンホール蓋の情報
表示方法によれば、従来困難とされた細かい各種情報表
示であっても簡単に表示することができ、コストのかか
らない実用的なマンホール蓋の利用を可能とする。ま
た、本発明の切削装置によれば、この方法を効果的に実
施することを可能とし、しかも、マンホール蓋をそのま
まの位置で、簡単かつ迅速に蓋表面の一部を選択的に確
実に切削することができ、新しい蓋と取り替える必要が
なく、不都合な表示を削除したり他の表示に変更した
り、また必要な表示を新しく行ったりすることが容易に
実行できる。As described above, according to the information display method of the manhole cover of the present invention, it is possible to easily display even various kinds of detailed information, which have been conventionally difficult, and it is a practical manhole cover that does not cost much. Is available. Further, according to the cutting device of the present invention, it is possible to effectively carry out this method, and moreover, the manhole cover is left at the position as it is and the part of the cover surface is selectively and surely cut easily and quickly. Therefore, it is possible to delete an inconvenient display, change to another display, and perform a necessary display newly without having to replace with a new lid.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明に係る切削装置の１実施例を示す平面
図。FIG. 1 is a plan view showing an embodiment of a cutting device according to the present invention.
【図２】図１に示す装置の正面断面図。FIG. 2 is a front sectional view of the device shown in FIG.
【図３】（ａ）はマンホール蓋に対する固定手段の具体
例を示す部分図、（ｂ）は鍵穴と位置決めピンの関係を
示す平面図。FIG. 3A is a partial view showing a specific example of fixing means for a manhole cover, and FIG. 3B is a plan view showing the relationship between a keyhole and a positioning pin.
【図４】（ａ）は切削刃部の平面図、（ｂ）は切削刃部
の立面図、（ｃ）は切削エリアの説明図。4A is a plan view of a cutting blade portion, FIG. 4B is an elevation view of the cutting blade portion, and FIG. 4C is an explanatory view of a cutting area.
【図５】本発明の切削における動作系統図。FIG. 5 is an operation system diagram in cutting according to the present invention.
【図６】マンホール蓋に他の表示のワッペンを貼付した
例を示す平面図。FIG. 6 is a plan view showing an example in which a patch of another display is attached to the manhole cover.
【図７】同じくマンホール蓋に別の表示のワッペンを貼
付した例を示す平面図。FIG. 7 is a plan view showing an example in which a patch of another display is also attached to the manhole cover.
１ マンホール蓋 １ａ 蓋の鍵穴 １ｂ 被切削箇所 ２ ベースプレー
ト ３ 位置決めピン ４ 旋回プレート ５ 回転用モータ ６ 切削刃部 ７ 刃物部昇降機構 ８ 昇降用モータ ９ 軸受け １０ 位置決めピン
のつまみ １１ ロックピン １２ マグネット １３ 油圧シリンダ １４ ブラケット １５ 旋回用モータ １６ 旋回ギア １７ 内刃切削エリア １８ 外刃切削エ
リア １９ リミットスイッチ ２０ 制御盤 ２１ 油圧源 ２２ 電磁弁1 Manhole Cover 1a Lid Key Hole 1b Cut Point 2 Base Plate 3 Positioning Pin 4 Swivel Plate 5 Rotating Motor 6 Cutting Blade 7 Cutting Tool Lifting Mechanism 8 Lifting Motor 9 Bearing 10 Positioning Pin Knob 11 Lock Pin 12 Magnet 13 Hydraulic Cylinder 14 Bracket 15 Swing motor 16 Swing gear 17 Inner edge cutting area 18 Outer edge cutting area 19 Limit switch 20 Control panel 21 Hydraulic source 22 Solenoid valve
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成７年６月１６日[Submission date] June 16, 1995
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００５[Name of item to be corrected] 0005
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００５】以上のようにマンホール蓋に既にあるマー
クを変更したり、或いは街の景観性などに応じて新しい
情報をマンホール蓋の一部に付け加えたい場合には、こ
れらの表示がなされた新しいマンホール蓋を作って、古
いものと交換することが必要であった。しかし、マンホ
ール蓋は厚みのある鋳物等で強固に作られているので、
車両の通行の激しい車道設置のものはともかく、歩道に
設置されたものは長期間使用される上、もともとマンホ
ールそのものが摩耗の激しい車道を避けて歩道に設置さ
れる傾向があるために、寿命による更新を待っていては
何時までも古いままのマンホール蓋が残存し続けること
になる。As described above, when the mark already on the manhole cover is changed or when it is desired to add new information to a part of the manhole cover according to the scenery of the city, etc., these new manholes are displayed. It was necessary to make a lid and replace it with an old one. However, since the manhole cover is made firmly with a thick casting or the like,
Depending on the life of the vehicle, the ones installed on the sidewalks will be used for a long time, and the manholes will tend to be installed on the sidewalks avoiding the heavily worn roadways. If you wait for the update, the old manhole cover will remain forever.
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１５[Name of item to be corrected] 0015
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１５】[0015]
【実施例】以下、本発明に係る切削装置の実施例を図面
に基づいて説明する。図１は切削装置の平面図、図２は
その断面図である。図示するように切削装置は、マンホ
ール蓋１の鍵穴１ａに対応する位置に位置決めピン３を
もち中央に開口を有するベースプレート２と、該ベース
プレート２上に軸受け９を介してマンホール蓋１のほぼ
中心を旋回中心として旋回する円盤状旋回プレート４
と、該旋回プレート４の旋回中心に対しずれた位置に回
転中心をもつように切削刃部６を下端に取り付けた刃物
回転用主軸モータ５と、該切削刃部６をベースプレート
２の開口を通して蓋１の被切削箇所に押し付け可能にす
るため前記主軸モータ５を昇降自在に保持する刃物昇降
用モータ８を有する昇降機構７と、から構成されてい
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cutting device according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of the cutting device, and FIG. 2 is a sectional view thereof. As shown in the drawing, the cutting device includes a base plate 2 having a positioning pin 3 at a position corresponding to the keyhole 1a of the manhole cover 1 and having an opening in the center, and a substantially center of the manhole cover 1 via a bearing 9 on the base plate 2. Disc-shaped swivel plate 4 that swivels as the swivel center
A spindle motor 5 for rotating a cutting tool having a cutting blade portion 6 attached to a lower end thereof so as to have a rotation center at a position deviated from the rotation center of the swiveling plate 4, and the cutting blade portion 6 through the opening of the base plate 2 1. A lifting mechanism 7 having a blade lifting motor 8 that holds the spindle motor 5 in a vertically movable manner so that the spindle motor 5 can be pressed against a portion to be cut.
【手続補正３】[Procedure 3]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図４[Name of item to be corrected] Fig. 4
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図４】 [Figure 4]
───────────────────────────────────────────────────── フロントページの続き (72)発明者 丸山 忠克 東京都千代田区神田小川町２−３−13 Ｍ ＆Ｃビル４Ｆ 淡路産業株式会社東京支社 内 (72)発明者 丹羽 一男 東京都千代田区神田小川町２−３−13 Ｍ ＆Ｃビル４Ｆ 淡路産業株式会社東京支社 内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Tadakatsu Maruyama 2-3-13 Kanda Ogawamachi, Chiyoda-ku, Tokyo M & C Building 4F Awaji Sangyo Co., Ltd. Tokyo branch office (72) Inventor Kazuo Niwa Kanda Koda, Chiyoda-ku, Tokyo 2-3-13 Kawamachi M & C Building 4F Awaji Sangyo Co., Ltd. Tokyo Branch
Claims (3)
深さにわたって切削し、この切削箇所にマンホール所有
者章等の必要な情報表示をもつワッペンを貼付すること
を特徴とするマンホール蓋への情報表示方法。1. A manhole cover characterized in that an arbitrary portion of a ready-made manhole cover is cut to a certain depth, and a patch having necessary information display such as a manhole owner's chapter is attached to this cut position. Information display method.
ピンと固定用マグネットを設け中央に開口を有するベー
スプレートと、該ベースプレート上に旋回可能に設けた
円盤状旋回プレートと、該旋回プレートの旋回中心とは
異なる位置に回転中心をもつように該プレートに取り付
けられかつマンホール蓋の被切削箇所の中心を含む範囲
を切削可能な切削刃部と、該切削刃部をベースプレート
の開口を通して蓋の被切削箇所に押し付け可能にした切
削刃部昇降保持部とからなり、切削刃部の自転と旋回プ
レートの旋回による切削刃部の公転によりマンホール蓋
の被切削箇所を切削することを特徴とするマンホール蓋
の切削装置。2. A base plate having a positioning pin to be inserted into a keyhole of a manhole cover and a fixing magnet and having an opening in the center, a disc-shaped swivel plate swivelably provided on the base plate, and a swivel center of the swivel plate. A cutting blade part that is attached to the plate so as to have a center of rotation at a different position and is capable of cutting a range including the center of the cut part of the manhole lid, and the cutting blade part to the cut part of the lid through the opening of the base plate. A cutting device for a manhole lid, comprising a cutting blade part up-and-down holding part that can be pressed, and that cuts a portion to be cut of the manhole cover by revolving the cutting blade part by rotation of the cutting blade part and revolving of a swiveling plate. .
ピンと該ピンを蓋に固定する油圧手段を設け中央に開口
を有するベースプレートと、該ベースプレート上に旋回
可能に設けた円盤状旋回プレートと、該旋回プレートの
旋回中心とは異なる位置に回転中心をもつように該プレ
ートに取り付けられかつマンホール蓋の被切削箇所の中
心を含む範囲を切削可能な切削刃部と、該切削刃部をベ
ースプレートの開口を通して蓋の被切削箇所に押し付け
可能にした切削刃部昇降保持部とからなり、切削刃部の
自転と旋回プレートの旋回による切削刃部の公転により
マンホール蓋の被切削箇所を切削することを特徴とする
マンホール蓋の切削装置。3. A base plate having a central opening and a positioning pin to be inserted into a keyhole of a manhole cover, a hydraulic means for fixing the pin to the cover, a disc-shaped swivel plate rotatably provided on the base plate, and the swivel plate. A cutting blade part attached to the plate so as to have a rotation center at a position different from the turning center of the plate and capable of cutting a range including the center of the cut portion of the manhole lid, and the cutting blade part through the opening of the base plate. It is composed of a cutting blade part elevating and holding part that can be pressed against the cut part of the lid, and cuts the cut part of the manhole lid by the revolution of the cutting blade part by the rotation of the cutting blade part and the rotation of the swiveling plate. Manhole cover cutting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13775495A JP3645313B2 (en) | 1995-06-05 | 1995-06-05 | Manhole cover cutting apparatus and information display method on manhole cover using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13775495A JP3645313B2 (en) | 1995-06-05 | 1995-06-05 | Manhole cover cutting apparatus and information display method on manhole cover using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08326082A true JPH08326082A (en) | 1996-12-10 |
| JP3645313B2 JP3645313B2 (en) | 2005-05-11 |
Family
ID=15206060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13775495A Expired - Fee Related JP3645313B2 (en) | 1995-06-05 | 1995-06-05 | Manhole cover cutting apparatus and information display method on manhole cover using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3645313B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6536987B2 (en) * | 2001-05-30 | 2003-03-25 | Ming-Huang Chang | Quick manhole/handhole construction method and related devices |
| CN107044138A (en) * | 2017-04-25 | 2017-08-15 | 钟建筑 | A kind of well lid automatic laying device for laying |
| KR102355664B1 (en) * | 2020-12-30 | 2022-02-08 | 주식회사 은진전력 | Installing method of manhole position indicator for identification of manhole management number |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102031124B1 (en) * | 2018-12-19 | 2019-11-08 | 주식회사 은진전력 | Device for installing manhole indicator |
| KR102409592B1 (en) * | 2021-05-06 | 2022-06-23 | 주식회사 은진전력 | Installing method of manhole position indicator for manhole management |
| KR102648768B1 (en) * | 2023-05-19 | 2024-03-19 | 주식회사 은진전력 | Method for installing position indicator in sluice valve cover |
| KR102648767B1 (en) * | 2023-05-19 | 2024-03-19 | 주식회사 은진전력 | Apparatus for installing position indicator in sluice valve cover |
-
1995
- 1995-06-05 JP JP13775495A patent/JP3645313B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6536987B2 (en) * | 2001-05-30 | 2003-03-25 | Ming-Huang Chang | Quick manhole/handhole construction method and related devices |
| CN107044138A (en) * | 2017-04-25 | 2017-08-15 | 钟建筑 | A kind of well lid automatic laying device for laying |
| KR102355664B1 (en) * | 2020-12-30 | 2022-02-08 | 주식회사 은진전력 | Installing method of manhole position indicator for identification of manhole management number |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3645313B2 (en) | 2005-05-11 |
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