JP2003253619A - Road surface cutter and road surface cutting method - Google Patents
Road surface cutter and road surface cutting methodInfo
- Publication number
- JP2003253619A JP2003253619A JP2002059950A JP2002059950A JP2003253619A JP 2003253619 A JP2003253619 A JP 2003253619A JP 2002059950 A JP2002059950 A JP 2002059950A JP 2002059950 A JP2002059950 A JP 2002059950A JP 2003253619 A JP2003253619 A JP 2003253619A
- Authority
- JP
- Japan
- Prior art keywords
- road surface
- cutting
- guide wheel
- self
- cutting device
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は路面の切削方法に関
し、特に路面に所定間隔の切削溝を形成するための路面
の切削方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road surface cutting method, and more particularly to a road surface cutting method for forming cutting grooves at predetermined intervals on the road surface.
【０００２】[0002]
【従来の技術】路面に所定間隔の切削溝を形成する手段
としては、従来主に、路面切削機の切削装置を手動で上
下動させることにより、路面に所定間隔の切削溝を形成
する方法が行われてきた。また、加熱したパイプを路面
上に所定間隔で並べてこれをローラで転圧する方法、舗
設直後の路面上に溝型の型枠を設置して転圧する方法等
も知られている。更に、加熱した路面または舗設直後の
路面を車輪に突起物を溶接したローラで転圧する方法も
提案されている。2. Description of the Related Art Conventionally, as a means for forming cutting grooves at predetermined intervals on a road surface, a method of forming cutting grooves at predetermined intervals on a road surface by manually moving a cutting device of a road surface cutting machine up and down has hitherto been used. Has been done. Further, a method of arranging heated pipes on a road surface at a predetermined interval and rolling them by rollers, a method of installing a groove type frame on the road surface immediately after paving, and rolling it are known. Further, a method of rolling the heated road surface or the road surface immediately after paving with a roller having a projection welded to a wheel has been proposed.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来の方法で
は以下のような問題点があった。第一に、路面切削機の
切削装置を手動で上下動させる方法では、走行距離と切
削位置を合わせ難く所定間隔で切削溝を形成することが
困難である。第二に、加熱したパイプや溝型の型枠を利
用した方法では、いずれも人力に依存する部分が多く時
間と労力を要してしまう。第三に、車輪に突起物を溶接
したローラを利用した方法では、仕上がった舗装体の密
度にばらつきが生じる等の問題がある。本発明の課題は
これら従来技術の問題点を解決することにある。However, the conventional method has the following problems. First, in the method of manually moving the cutting device of the road surface cutting machine up and down, it is difficult to match the traveling distance and the cutting position, and it is difficult to form cutting grooves at predetermined intervals. Secondly, the methods using heated pipes and groove-type molds all require a lot of human power, which requires time and labor. Thirdly, the method using the roller in which the protrusions are welded to the wheel has a problem that the density of the finished pavement varies. An object of the present invention is to solve these problems of the prior art.
【０００４】[0004]
【課題を解決するための手段】前記の課題を解決するた
めに、請求項１に係わる発明の路面切削機は、自走車両
の底部に設置され前記自走車両の車体と一体となって上
下に移動可能な切削装置と、連結部材を介して前記車体
に固定される支持部材と、前記支持部材の下端部に回転
可能に係合される案内輪とを有する路面切削機におい
て、前記案内輪が上下動することによりこれと連動して
前記切削装置が上下に移動することを特徴とする。In order to solve the above-mentioned problems, a road surface cutting machine according to a first aspect of the present invention is installed at the bottom of a self-propelled vehicle and is integrated with a vehicle body of the self-propelled vehicle so as to move up and down. A road surface cutting machine having a cutting device movable to a vehicle, a support member fixed to the vehicle body via a connecting member, and a guide wheel rotatably engaged with a lower end portion of the support member, Is moved up and down, the cutting device moves up and down in conjunction with this.
【０００５】請求項２に係わる発明は、請求項１に記載
の路面切削機を用いて、路面上に前記案内輪の走行位置
に沿って所定間隔で突起物を配置し、前記案内輪が前記
突起物上を通過するのに伴って前記切削装置が上下に移
動することにより路面に所定間隔の切削溝を形成するこ
とを特徴とする路面の切削方法である。According to a second aspect of the present invention, by using the road surface cutting machine according to the first aspect, protrusions are arranged on the road surface at predetermined intervals along the traveling position of the guide wheel, and the guide wheel is A method of cutting a road surface, characterized in that the cutting device moves up and down as it passes over a protrusion to form cutting grooves at predetermined intervals on the road surface.
【０００６】請求項３に係わる発明の路面切削機は、自
走車両の底部に設置され前記自走車両の車体と一体とな
って上下に移動可能な切削装置と、連結部材を介して前
記車体に固定される筒型部材と、前記筒型部材に挿通さ
れ前記筒型部材の内部を上下に移動可能な支持部材と、
上端部が前記筒型部材に固定され下端部が前記支持部材
に固定されると共に、伸縮することにより前記支持部材
に対して前記筒型部材を上下に摺動させる駆動装置と、
前記支持部材の下端部に回転可能に係合される案内輪と
を有する路面切削機において、前記筒型部材が上下動す
ることによりこれと連動して前記切削装置が上下に移動
することを特徴とする。According to a third aspect of the present invention, there is provided a road surface cutting machine including a cutting device which is installed at a bottom portion of a self-propelled vehicle and is vertically movable integrally with a body of the self-propelled vehicle, and the vehicle body through a connecting member. A tubular member fixed to, and a support member that is inserted into the tubular member and is vertically movable inside the tubular member,
A drive device in which the upper end portion is fixed to the tubular member and the lower end portion is fixed to the support member, and by expanding and contracting, the tubular member is slid up and down with respect to the support member,
In a road surface cutting machine having a guide wheel rotatably engaged with a lower end portion of the support member, when the tubular member moves up and down, the cutting device moves up and down in conjunction with this. And
【０００７】請求項４に係わる発明は、請求項３に記載
の路面切削機を用いて、前記案内輪の走行位置の側方に
基準線を張設すると共に取付部材を介して前記車体に自
動高さ制御装置を固定し、前記自動高さ制御装置により
前記基準線の高さを検知し、検知された高さに基づいて
前記切削装置が上下に移動することにより路面に所定間
隔の切削溝を形成することを特徴とする路面の切削方法
である。According to a fourth aspect of the present invention, by using the road surface cutting machine according to the third aspect, a reference line is stretched to the side of the traveling position of the guide wheel, and the vehicle body is automatically attached to the vehicle body through a mounting member. A height control device is fixed, the height of the reference line is detected by the automatic height control device, and the cutting device moves up and down based on the detected height to cut grooves at predetermined intervals on the road surface. Is a method of cutting a road surface.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施形態を図１〜
図３に基づいて説明する。本発明に係わる路面切削機
は、車体２の底部に切削装置３を備えてなる自走車両１
からなる。前記切削装置３は車体の後部右側に位置し、
その前方には案内輪４が設けられている。図１は、本発
明の第１実施形態に係わる側面図である。案内輪４は切
削装置３のロータ５よりも右側に配置されており、案内
輪４の走行位置の路面がロータ５によって切削されるこ
とはない。６はピン等により一時的に路面上に固定され
た木製または金属製の部材で、案内輪４の走行位置に沿
って配置されている。部材６の高さ、長さ、配置間隔は
路面を切削する深さ、長さ、切削間隔により任意に決め
ることができ、部材６の幅は案内輪４が部材６上を通過
する時に逸脱しない程度であればよい。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS.
It will be described with reference to FIG. A road surface cutting machine according to the present invention is a self-propelled vehicle 1 including a cutting device 3 at the bottom of a vehicle body 2.
Consists of. The cutting device 3 is located on the rear right side of the vehicle body,
A guide wheel 4 is provided in front of it. FIG. 1 is a side view according to the first embodiment of the present invention. The guide wheel 4 is arranged on the right side of the rotor 5 of the cutting device 3, and the road surface at the traveling position of the guide wheel 4 is not cut by the rotor 5. A member 6 made of wood or metal is temporarily fixed to the road surface by a pin or the like, and is arranged along the traveling position of the guide wheel 4. The height, length, and arrangement interval of the members 6 can be arbitrarily determined by the depth, the length, and the cutting interval of cutting the road surface, and the width of the member 6 does not deviate when the guide wheel 4 passes over the member 6. It only has to be about.
【０００９】次に、作用について説明する。図１におい
て矢印イが自走車両１の進行方向である。まず、施工を
開始する前に切削装置３のロータ５の高さを調整する。
ロータ５の高さは、案内輪４が部材６上を通過するとき
の軌跡を考慮して設定する。図１において案内輪４がロ
の位置にあるときは切削装置３のロータ５が路面と接し
ており、ロータ５により路面が切削される。自走車両１
が矢印イ方向へ走行して案内輪４がハの位置まで進む
と、自走車両１の車体２が上方へ持ち上げられ切削装置
３のロータ５が路面から離れるので、路面は切削されな
い。自走車両１が更に矢印イ方向へ走行して案内輪４が
ニの位置まで進むと、再び切削装置３のロータ５が路面
と接するので、ロータ５により路面が切削される。以
下、自走車両１の走行に伴い上記動作が繰り返されるこ
とにより、路面に所定間隔の切削溝が形成される（図６
参照）。また、前記部材６に換えて所定の凹凸を有する
型枠３０（図７参照）を使用することにより、第１実施
形態と同様の切削溝を設けることができる。Next, the operation will be described. In FIG. 1, arrow a is the traveling direction of the self-propelled vehicle 1. First, before starting construction, the height of the rotor 5 of the cutting device 3 is adjusted.
The height of the rotor 5 is set in consideration of the locus when the guide wheel 4 passes over the member 6. In FIG. 1, when the guide wheel 4 is in the position B, the rotor 5 of the cutting device 3 is in contact with the road surface, and the road surface is cut by the rotor 5. Self-propelled vehicle 1
When the vehicle travels in the direction of arrow A and the guide wheel 4 advances to the position of C, the vehicle body 2 of the self-propelled vehicle 1 is lifted upward and the rotor 5 of the cutting device 3 separates from the road surface, so that the road surface is not cut. When the self-propelled vehicle 1 further travels in the direction of arrow A and the guide wheel 4 advances to the position of d, the rotor 5 of the cutting device 3 contacts the road surface again, and the road surface is cut by the rotor 5. Hereinafter, the above-described operation is repeated as the self-propelled vehicle 1 travels to form cutting grooves at predetermined intervals on the road surface (see FIG. 6).
reference). Further, by using a mold 30 (see FIG. 7) having a predetermined unevenness instead of the member 6, it is possible to provide a cutting groove similar to that of the first embodiment.
【００１０】図２は、本発明の第２実施形態に係わる斜
視図である。筒型部材１０は車体２に固定されており、
その内側には支持部材１１が上下に移動可能に挿通され
ている。支持部材１１の下端部には案内輪４が回転可能
に係合され、支持部材１１の内部には駆動部材１２が設
置されている。駆動部材１２は、下端部が支持部材１１
と係合され上端部が筒型部材１０と係合されており、駆
動部材１２が伸縮することにより支持部材１１が筒型部
材１０の内部を上下に摺動する。案内輪４は切削装置３
のロータ５よりも右側に配置されており、案内輪４の走
行位置の路面がロータ５によって切削されることはな
い。FIG. 2 is a perspective view according to the second embodiment of the present invention. The tubular member 10 is fixed to the vehicle body 2,
A support member 11 is inserted inside thereof so as to be vertically movable. A guide wheel 4 is rotatably engaged with the lower end of the support member 11, and a drive member 12 is installed inside the support member 11. The lower end portion of the driving member 12 is the support member 11
And the upper end is engaged with the tubular member 10, and the support member 11 slides up and down inside the tubular member 10 as the drive member 12 expands and contracts. The guide wheel 4 is the cutting device 3
Is arranged on the right side of the rotor 5, and the road surface at the traveling position of the guide wheel 4 is not cut by the rotor 5.
【００１１】案内輪４前方の車体２側部に固定された柱
状部材１３の上部にはアーム１４の一端部が水平方向へ
回転可能に係合され、アーム１４の他端部には柱状部材
１５が固定されている。柱状部材１５は案内輪４の右側
方に配置され、その下端部には自動高さ制御装置１６が
取り付けられている。自動高さ制御装置１６の函体１７
側面には測定軸１８とアーム１９を介してグリッド２０
が鉛直方向に回動可能に軸支されており、測定軸１８の
回転角度をポテンショメータ等により連続的に測定する
構成となっている。自走車両１の右側方には自走車両１
の走行位置と平行にセンサ台２１が所定間隔で配置さ
れ、所定高さに高さ調整されたホルダ２２上に基準線２
３が張設されている（図４参照）。そして、自走車両１
の走行に伴ってグリッド２０が基準線２３上を移動する
と共に、測定軸１８（アーム１９）の角度を一定に保つ
ように駆動部材１２を伸縮させて車体２を上下動させる
ことにより切削装置３のロータ５がこれと連動して上下
に移動するので、路面に所定の間隔、幅、長さ、深さを
有する切削溝を形成することができる。One end of an arm 14 is horizontally rotatably engaged with an upper portion of a columnar member 13 fixed to the side of the vehicle body 2 in front of the guide wheel 4, and the other end of the arm 14 has a columnar member 15. Is fixed. The columnar member 15 is arranged on the right side of the guide wheel 4, and an automatic height control device 16 is attached to the lower end portion thereof. Box 17 of automatic height control device 16
A grid 20 is provided on the side surface via a measuring shaft 18 and an arm 19.
Is rotatably supported in the vertical direction, and the rotation angle of the measuring shaft 18 is continuously measured by a potentiometer or the like. Self-propelled vehicle 1 on the right side of self-propelled vehicle 1
Sensor bases 21 are arranged at a predetermined interval in parallel with the traveling position of the reference line 2 on the holder 22 whose height is adjusted to a predetermined height.
3 is stretched (see FIG. 4). And the self-propelled vehicle 1
The grid 20 moves along the reference line 23 as the vehicle travels, and the drive member 12 is expanded and contracted to vertically move the vehicle body 2 so as to keep the angle of the measurement shaft 18 (arm 19) constant. Since the rotor 5 moves up and down in conjunction with this, it is possible to form cutting grooves having predetermined intervals, widths, lengths, and depths on the road surface.
【００１２】次に、作用について説明する。図３におい
て矢印イが自走車両１の進行方向である。自動高さ制御
装置１６のグリッド２０は、自走車両１の走行に伴って
基準線２３上を矢印イ方向へ移動する。図５においてグ
リッド２０が位置Ａにあるときの測定軸１８（アーム１
９）の水平方向に対する角度θＡを基準とする。この
時、切削装置３のロータ５は路面から離れており、路面
は切削されない。グリッド２０が位置Ａから位置Ｂへ移
動するとθＡ＜θＢとなるので、θＡ＝θＢとなるよう
に自動高さ制御装置１６の位置を下方へ移動させるため
に駆動部材１２を縮めて車体２を低くする。この時、切
削装置３のロータ５もこれと連動して下方へ移動し路面
と接するため、ロータ５により路面が切削される。グリ
ッド２０がさらに位置Ｂから位置Ｃへ移動するとθＢ＞
θＣとなるので、θＢ＝θＣとなるように自動高さ制御
装置１６の位置を上方へ移動させるために駆動部材１２
を伸ばして車体２を高くする。この時、切削装置３のロ
ータ５もこれと連動して上方へ移動し路面から離れるた
め、路面は切削されない。以下、自走車両１の走行に伴
い上記動作が繰り返されることにより、路面に所定間隔
の切削溝が形成される（図６参照）。Next, the operation will be described. In FIG. 3, arrow a is the traveling direction of the self-propelled vehicle 1. The grid 20 of the automatic height control device 16 moves on the reference line 23 in the arrow A direction as the vehicle 1 travels. In FIG. 5, the measuring axis 18 (arm 1
The angle θ A of 9) with respect to the horizontal direction is used as a reference. At this time, the rotor 5 of the cutting device 3 is away from the road surface, and the road surface is not cut. When the grid 20 moves from the position A to the position B, θ A <θ B. Therefore, the driving member 12 is contracted to move the position of the automatic height control device 16 downward so that θ A = θ B. Lower the vehicle body 2. At this time, the rotor 5 of the cutting device 3 also moves downward in contact with the road surface and comes into contact with the road surface, so that the road surface is cut by the rotor 5. When the grid 20 further moves from position B to position C, θ B >
Since it becomes θ C , the drive member 12 is moved in order to move the position of the automatic height control device 16 upward so that θ B = θ C.
To extend the car body 2 up. At this time, the rotor 5 of the cutting device 3 also moves upward in conjunction with this and separates from the road surface, so that the road surface is not cut. Hereinafter, the above-described operations are repeated as the self-propelled vehicle 1 travels, so that cutting grooves having predetermined intervals are formed on the road surface (see FIG. 6).
【００１３】[0013]
【発明の効果】本発明の方法によれば、従来の方法と比
較して容易にかつ正確に、路面に所定間隔の切削溝を設
けることが可能である。特に、車道の路肩部や中央部に
連続的な切削溝を設けることにより、居眠り運転などに
より走行車両が車道本線から逸脱しそうになったとき
に、前記走行車両のタイヤが前記切削溝を通過したとき
に発生する音や振動が車両の運転者に注意を促すいわゆ
る注意喚起構造とすることができる。As described above, according to the method of the present invention, it is possible to easily and accurately form the cutting grooves at predetermined intervals on the road surface as compared with the conventional method. In particular, by providing a continuous cutting groove in the shoulder or central portion of the roadway, when the running vehicle is about to deviate from the main roadway due to drowsiness driving, the tire of the running vehicle passes through the cutting groove. A so-called alert structure can be provided in which a sound or a vibration that sometimes occurs alerts the driver of the vehicle.
【００１４】この注意喚起構造には凸型部を設けたもの
が多いが、積雪寒冷地域など冬期間に車道の除雪が行わ
れる地域では、除雪によって前記凸型部が路面から剥が
れてしまう恐れがある。しかし、本発明は路面に切削溝
を設ける方法なので、このような心配がない。Many of these caution structures have convex portions, but in areas where snow removal is performed on the roadway during the winter, such as snowy and cold regions, the convex portions may peel off from the road surface due to snow removal. is there. However, since the present invention is a method of providing a cutting groove on the road surface, there is no such concern.
【図１】本発明の第１実施形態を表す側面図。FIG. 1 is a side view showing a first embodiment of the present invention.
【図２】本発明の第２実施形態に関する自走車両の斜視
図。FIG. 2 is a perspective view of a self-propelled vehicle according to a second embodiment of the present invention.
【図３】本発明の第２実施形態を表す側面図。FIG. 3 is a side view showing a second embodiment of the present invention.
【図４】本発明の第２実施形態に関するセンサ台の斜視
図。FIG. 4 is a perspective view of a sensor base according to a second embodiment of the present invention.
【図５】本発明の第２実施形態に関する自動高さ制御装
置の作用を表す側面図。FIG. 5 is a side view showing the operation of the automatic height control device according to the second embodiment of the present invention.
【図６】本発明により形成される切削溝を表す斜視図。FIG. 6 is a perspective view showing a cutting groove formed according to the present invention.
【図７】本発明の第１実施形態に関する型枠の斜視図。FIG. 7 is a perspective view of a mold according to the first embodiment of the present invention.
１ 自走車両 ２ 車体 ３ 切削装置 ４ 案内輪 ５ ロータ ６ 一時的固定部材 １０ 筒状部材 １１ 支持部材 １２ 駆動部材 １３，１５ 柱状部材 １４ アーム １６ 自動高さ制御装置 １７ 函体 １８ 測定軸 １９ アーム ２０ グリッド ２１ センサ台 ２２ ホルダ ２３ 基準線 ３０ 型枠 1 self-propelled vehicle 2 car body 3 cutting equipment 4 guide wheels 5 rotor 6 Temporary fixing members 10 Cylindrical member 11 Support member 12 Drive member 13,15 Columnar member 14 arms 16 Automatic height control device 17 Box 18 measuring axes 19 arms 20 grid 21 sensor stand 22 Holder 23 Reference line 30 formwork
Claims (4)
の車体と一体となって上下に移動可能な切削装置と、連
結部材を介して前記車体に固定される支持部材と、前記
支持部材の下端部に回転可能に係合される案内輪とを有
する路面切削機において、前記案内輪が上下動すること
によりこれと連動して前記切削装置が上下に移動するよ
うに構成したことを特徴とする路面切削機。1. A cutting device installed on the bottom of a self-propelled vehicle and movable up and down integrally with a vehicle body of the self-propelled vehicle, a support member fixed to the vehicle body via a connecting member, and the support. In a road surface cutting machine having a guide wheel rotatably engaged with a lower end portion of a member, the cutting device is configured to move up and down in conjunction with the movement of the guide wheel up and down. The characteristic road surface cutting machine.
路面上に前記案内輪の走行位置に沿って所定間隔で突起
物を配置し、前記案内輪が前記突起物上を通過するのに
伴って前記切削装置が上下に移動することにより路面に
所定間隔の切削溝を形成することを特徴とする路面の切
削方法。2. Using the road surface cutting machine according to claim 1,
Protrusions are arranged on the road surface at a predetermined interval along the traveling position of the guide wheel, and the cutting device moves up and down as the guide wheel passes over the projection object so that the road surface has a predetermined interval. A method of cutting a road surface, which comprises forming a cutting groove.
の車体と一体となって上下に移動可能な切削装置と、連
結部材を介して前記車体に固定される筒型部材と、前記
筒型部材に挿通され前記筒型部材の内部を上下に移動可
能な支持部材と、上端部が前記筒型部材に固定され下端
部が前記支持部材に固定されると共に、伸縮することに
より前記支持部材に対して前記筒型部材を上下に摺動さ
せる駆動装置と、前記支持部材の下端部に回転可能に係
合される案内輪とを有する路面切削機において、前記筒
型部材が上下動することによりこれと連動して前記切削
装置が上下に移動するように構成したことを特徴とする
路面切削機。3. A cutting device installed on the bottom of a self-propelled vehicle and movable up and down integrally with a body of the self-propelled vehicle; a tubular member fixed to the body via a connecting member; A support member that is inserted into the tubular member and is movable up and down inside the tubular member; an upper end fixed to the tubular member and a lower end fixed to the support member; In a road surface cutting machine having a drive device for sliding the tubular member up and down with respect to a member, and a guide wheel rotatably engaged with a lower end portion of the support member, the tubular member moves up and down. Thus, the road surface cutting machine is characterized in that the cutting device is configured to move up and down in conjunction with this.
前記案内輪の走行位置の側方に基準線を張設すると共に
取付部材を介して前記車体に自動高さ制御装置を固定
し、前記自動高さ制御装置により前記基準線の高さを検
知し、検知された高さに基づいて前記切削装置が上下に
移動することにより路面に所定間隔の切削溝を形成する
ことを特徴とする路面の切削方法。4. Using the road surface cutting machine according to claim 3,
A reference line is stretched to the side of the traveling position of the guide wheel, and an automatic height control device is fixed to the vehicle body via a mounting member, and the height of the reference line is detected by the automatic height control device. A method of cutting a road surface, characterized in that the cutting device moves up and down based on the detected height to form cutting grooves at predetermined intervals on the road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002059950A JP3954871B2 (en) | 2002-03-06 | 2002-03-06 | Road cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002059950A JP3954871B2 (en) | 2002-03-06 | 2002-03-06 | Road cutting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003253619A true JP2003253619A (en) | 2003-09-10 |
| JP3954871B2 JP3954871B2 (en) | 2007-08-08 |
Family
ID=28669458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002059950A Expired - Lifetime JP3954871B2 (en) | 2002-03-06 | 2002-03-06 | Road cutting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3954871B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100467291B1 (en) * | 2002-09-26 | 2005-01-24 | 육방수 | Road cutting device by a car |
| JP2007162287A (en) * | 2005-12-13 | 2007-06-28 | Civil Engineering Research Institute Of Hokkaido | Attention attracting groove structure |
| JP2008163734A (en) * | 2006-12-22 | 2008-07-17 | Wirtgen Gmbh | Road cutting machine, and method for measuring cutting depth |
-
2002
- 2002-03-06 JP JP2002059950A patent/JP3954871B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100467291B1 (en) * | 2002-09-26 | 2005-01-24 | 육방수 | Road cutting device by a car |
| JP2007162287A (en) * | 2005-12-13 | 2007-06-28 | Civil Engineering Research Institute Of Hokkaido | Attention attracting groove structure |
| JP4658790B2 (en) * | 2005-12-13 | 2011-03-23 | 独立行政法人北海道開発土木研究所 | Attention-type groove structure |
| JP2008163734A (en) * | 2006-12-22 | 2008-07-17 | Wirtgen Gmbh | Road cutting machine, and method for measuring cutting depth |
| US9879391B2 (en) | 2006-12-22 | 2018-01-30 | Wirtgen Gmbh | Road milling machine and method for measuring the milling depth |
| US9879390B2 (en) | 2006-12-22 | 2018-01-30 | Wirtgen Gmbh | Road milling machine and method for measuring the milling depth |
| US11655599B2 (en) | 2006-12-22 | 2023-05-23 | Wirtgen America, Inc. | Road milling machine and method for measuring the milling depth |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3954871B2 (en) | 2007-08-08 |
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