JP3558987B2 - Rail grinding device - Google Patents

Rail grinding device Download PDF

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JP3558987B2
JP3558987B2 JP2001026242A JP2001026242A JP3558987B2 JP 3558987 B2 JP3558987 B2 JP 3558987B2 JP 2001026242 A JP2001026242 A JP 2001026242A JP 2001026242 A JP2001026242 A JP 2001026242A JP 3558987 B2 JP3558987 B2 JP 3558987B2
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roller
pair
rail
grinding
rollers
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JP2002227104A (en
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朝男 塚原
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塚原工業有限会社
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Description

【0001】
【発明の属する技術分野】
この発明は、車両が走行するレ−ルの表面を研削するレ−ル研削装置、特に加工能率の向上に関するものである。
【0002】
【従来の技術】
列車が走行するレ−ルを長期間使用していると摩耗が生じてくる。このレ−ルの摩耗には、車輪のフランジによってレ−ル頭部の内側面に生じる側摩耗と、レ−ル頭部上面に生じる水平摩耗及びレ−ル頭部上面に波状に生じる波状摩耗とがある。波状摩耗が生じると、列車が走行するときの騒音や振動が大きくなり、乗り心地が悪くなるばかりでなく、車両の台車や車体にも悪影響を与える。このような悪影響を防止するため、敷設されたレ−ルの表面を研削するレ−ル研削装置が使用されている。
【0003】
従来のレ−ル研削装置は、図7の正面図に示すように、敷設された一対のレ−ル2を走行する台車3上に搭載された横行装置51に支持された回動装置52と、回動装置52に取付けられた研削装置53と駆動装置54とを有する。研削装置53は砥石昇降部55と、砥石昇降部55の先端部に取り付けられた円盤状の砥石56と、砥石56を昇降させる砥石昇降ハンドル57及び駆動装置54にベルト58やプ−リ59等で連結された駆動軸60を有する。そして駆動装置54で駆動軸60を回転させて砥石56を回転させながら砥石昇降ハンドル57で砥石56の位置を調節しながらレ−ル2の頭部上面を研削する。レール2の頭部上面を研削したら横行装置51と回動装置52で研削装置53と駆動装置54を水平方向に移動しながらを所定角度傾けてレール2の頭部内側面を研削するようにしている。
【0004】
【発明が解決しようとする課題】
しかしながら近年はレールの曲線部分における列車の脱線を防止するため、レールの内側に脱線防止レールを設けている。この脱線防止レールをレールやPCまくら木に締結する締結装置がレールと脱線防止レールの間に設けられているため、円盤状の砥石を有するレ−ル研削装置では、脱線防止レールが設けられた部分のレールの頭部上面を研削して水平摩耗や波状摩耗を除去することはできるが、レ−ルの頭部内側面を加工することはできず、側摩耗を除去することはできなかった。
【0005】
この発明はかかる短所を改善するためになされたものであり、レ−ルの水平摩耗や波状摩耗を除去するとともに脱線防止レールが設けられた部分のレールの側摩耗も除去することができるレ−ル研削装置を提供することを目的とするものである。
【0006】
【課題を解決するための手段】
この発明に係るレ−ル研削装置は、敷設された一対のレ−ル(2)を走行する台車(3)と、台車(3)上に搭載され台車(3)の進行方向と直交する方向に水平移動する横行装置(4)と、横行装置(4)に搭載され台車(3)の進行方向と直交する垂直方向に回動する回動装置(5)と、回動装置(5)に搭載された昇降装置(6)と、昇降装置(6)に取り付けられた研削装置 ( ) を有し、研削装置(7)は、垂直方向であるZ軸方向に設けた駆動モータ(35)の駆動軸に連結された駆動ローラ(36)と、回転軸が駆動ローラ(36)の回転軸と90度異なる水平方向でY軸方向に設けられた第1の方向変換ローラ対(37)と第2の方向変換ローラ対(38)及び回転軸が第2の方向変換ローラ対(38)と90度異なるX軸方向に設けられたコンタクトローラ(39)を有し、第1の方向変換ローラ対(37)と第2の方向変換ローラ対(38)はそれぞれ2個のローラからなり、駆動ローラ(36)の上部で駆動ローラ(36)を挟んで一定間隔をおいて設けられ、コンタクトローラ(39)は第2の方向変換ローラ対(38)の下部に一定距離を置いて設けられ、駆動ローラ(36)と第1の方向変換ローラ対(37)と第2の方向変換ローラ対(38)及びコンタクトローラ(39)には、研磨ベルト(40)が巻き回され、研磨ベルト(40)は、駆動ローラ(36)の回転により第1の方向変換ローラ対(37)の第1のローラ(371)を通り、方向を変換して第2の方向変換ローラ対(38)の第1のローラ(381)に送られ、第1のローラ(381)により方向が変換されてコンタクトローラ(39)に送られ、コンタクトローラ(39)を通って第2の方向変換ローラ対(38)の第2のローラ(382)により方向が変換されて第1の方向変換ローラ対(37)の第2のローラ(372)に送られ、第2のローラ(372)で方向が変換されて駆動ローラ(36)に送られることを特徴とする。
【0007】
【発明の実施の形態】
この発明のレール研削装置は、敷設された一対のレ−ルを走行する台車と、台車に搭載された横行装置と回動装置と昇降装置及び研削装置を有する。研削装置は、駆動モータに連結された駆動ローラと方向変換ローラとコンタクトローラに巻き回された研磨ベルトを有する。この研磨ベルトでレールの頭部を研削するときは回動装置と横行装置によりコンタクトローラに巻かれた研磨ベルトをレールの上部に移動し、昇降装置によりコンタクトローラに巻かれた研磨ベルトをレール頭部に接触させて研削する。レールの頭部を研削したら、横行装置で研削装置を移動しながら回動装置で研削装置を所定角度傾けてコンタクトローラに巻かれた研磨ベルトでレールの頭部内側面を研削する。
【0008】
【実施例】
図1はこの発明の一実施例を示す側面図である。図に示すように、レ−ル研削装置1は敷設された一対のレ−ル2を走行する台車3と、台車3に搭載された横行装置4と回動装置5と昇降装置6及び研削装置7を有する。横行装置4は横行フレーム8と、図2の側面断面図と図3の正面断面図に示すように、横行フレーム8を移動する横行機構9を有する。横行フレ−ム8の上部には、図2の側面断面図に示すように、台車3の移動方向の両端部に立ち上げられ、回動装置4を保持する保持フレーム10を有し、一方の下端部には横送り部11を有し、他方の下端部には案内部12を有する。横行機構9は、図3の正面断面図に示すように、台車3の固定フレ−ムに対して、台車3の進行方向と直交する方向に軸受13を介して取り付けられ先端に横行ハンドル14を有し、横行フレーム8の横送り部11に送りねじで連結された横行位置調整軸15と、図2に示すように、横行位置調整軸15から一定距離離れた位置で、横行位置調整軸15と平行に設けられ、横行フレーム8の案内部12を摺動させるガイド軸16を有する。
【0009】
回動装置5は回動フレーム17と回動機構18を有する。回動フレーム17は、図2に示すように、ほぼU字状に立ち上げた両端フレーム19と、両端フレーム19の間に設けられ、昇降装置6を保持する昇降装置保持部20を有する。両端フレーム19の下側には、図2に示すように、回転軸21を有し、この回転軸21は横行フレーム8の保持フレーム10に軸受22を介して回動自在に支持されている。一方の回転軸21の先端部には歯車23が取付けられている。また、保持フレーム10の上側にはガイド軸24が設けられている。このガイド軸24を案内するため、横行フレーム8の保持フレーム10には、図3に示すように、回転軸21の軸心を中心とした円弧状のガイド溝25が設けられている。回動機構18は、図4の上面断面図に示すように、先端部に歯車23を有する回転軸21が回転自在に支持された横行フレーム8の保持フレーム10に設けられた両端フレーム26に回転自在に取り付けられ、歯車23と噛み合う駆動歯車27を有する回動軸28と、回動軸28の先端部に取り付けられた回動ハンドル29を有する。
【0010】
昇降装置6は、図2に示すように、回動フレーム17の昇降装置保持部20に垂直に固定された昇降フレーム30と、昇降フレーム30内で上下方向に設けられた2本の案内軸31に沿って移動するスライダ32と、昇降フレーム30の上端部に設けたねじと噛み合いスライダ32を上下方向に移動する駆動ねじ33と、駆動ねじ32の先端部に設けられた昇降ハンドル34を有する。スライダ32には一定角度だけ鋭角に曲げられた取付け冶具により研削装置7が取り付けられる。
【0011】
研削装置7は、図5に示すように、垂直方向であるZ軸方向に設けた駆動モータ35の駆動軸に連結された駆動ローラ36と、回転軸が駆動ローラ36の回転軸と90度異なる水平方向でY軸方向に設けられた第1の方向変換ローラ対37と第2の方向変換ローラ対38及び回転軸が第2の方向変換ローラ対38と90度異なるX軸方向に設けられたコンタクトローラ39を有する。第1の方向変換ローラ対37と第2の方向変換ローラ対38はそれぞれ2個のローラからなり、駆動ローラ36の上部で駆動ローラ36を挟んで一定間隔をおいて設けられている。コンタクトローラ39は第2の方向変換ローラ対38の下部に一定間隔を置いて設けられている。この駆動ローラ36と第1の方向変換ローラ対37と第2の方向変換ローラ対38及びコンタクトローラ39には、図6に示すように、研磨ベルト40が巻き回されている。この研磨ベルト40を駆動ローラ36の回転により第1の方向変換ローラ対37の第1のローラ371を通り方向を変換して第2の方向変換ローラ対38の第1のローラ381に送られ、第1のローラ381を通るときに方向が変換されてコンタクトローラ39に送られる。コンタクトローラ39を通った研磨ベルト40は第2の方向変換ローラ対38の第2のローラ382により方向が変換されて第1の方向変換ローラ対37の第2のローラ372に送られ、第2のローラ371で方向が変換されて駆動ローラ36に送られる。この研磨ベルト40は第1の方向変換ローラ対37と第2の方向変換ローラ対38の間に設けたばね41によって一定の張力により張られている。この研削装置7の駆動ローラ36と第1の方向変換ローラ対37及び第2の方向変換ローラ対38は、図1に示すように、ベルトカバー42で覆われ、コンタクトローラ39の先端部とコンタクトローラ39に巻かれた研磨ベルト40がベルトカバー42から露出している。
【0012】
上記のように構成されたレ−ル研削装置1で敷設されたレ−ル2の頭部を加工するときは、まず、回動装置5の回動ハンドル29を回動して回動フレーム17の昇降装置保持部20を水平にして昇降装置6のスライダ32に取り付けられた研削装置7の第2の方向変換ローラ対38とコンタクトローラ39の間の研磨ベルト40が垂直になるように初期位置を定める。この状態で横行装置4の横行ハンドル14を操作してコンタクトローラ39がレ−ル2の上に位置するように横行フレ−ム8を移動させる。コンタクトローラ39をレ−ル2の上に移動したのち、研削装置7の駆動モータ35を回転して研磨ベルト40を回転移動させながら昇降装置6の昇降ハンドル34を操作してコンタクトローラ39に巻かれた研磨ベルト40をレ−ル2の頭部上面に接触させて研削する。このレ−ル2の頭部上面を研削するときに、横行装置4の横行ハンドル14を操作して研削位置を調節して水平摩耗や波状摩耗を除去する。このようにレール2の頭部上面を研削するとき、研削装置7は昇降装置6のスライダ32の表面に対してに一定角度傾けて取り付けてあるから、研削した鉄粉等をレール2の外側に飛ばすことができる。このレ−ル2の頭部上面の研削加工が終了したら、横行ハンドル14と回動ハンドル29を操作して横行フレ−ム8を移動しながら回動フレ−ム17を回動して研削装置7を所定の角度傾ける。そしてコンタクトローラ39に巻かれた研磨ベルト40でレ−ル2の頭部内側面を研削して側摩耗を除去する。この操作を台車3を移動しながら逐次繰り返すことにより、レ−ル2の頭部上面にできた水平摩耗や波状摩耗及びレ−ル2の頭部内側面にできた側摩耗を連続的に除去することができる。また、レ−ル2の頭部内側面を研削するときに、外径の小さなコンタクトローラ39に巻かれた研磨ベルト40で研削するから、レール2の内側に脱線防止レールや脱線防止レールの締結装置があっても、その影響を受けずにレ−ル2の頭部内側面を研削することができる。
【0013】
上記実施例は研削装置7に第1の方向変換ローラ対37と第2の方向変換ローラ対38を設けた場合について説明したが、研削装置7の駆動ローラ36の回転軸をコンタクトローラ39の回転軸と平行に設け、駆動ローラ36の回転軸を駆動モータ35に直接又は歯車群を介して連結し、駆動ローラ36とコンタクトローラ39だけで研磨ベルト40を回転するようにしても良い。
【0014】
【発明の効果】
この発明は以上説明したように、駆動モータに連結された駆動ローラと方向変換ローラとコンタクトローラに巻き回された研磨ベルトを有する研削装置を敷設された一対のレ−ルを走行する台車に搭載し、研削装置の研磨ベルトでレールの頭部を研削するとき、回動装置と横行装置によりコンタクトローラに巻かれた研磨ベルトをレールの上部に移動し、昇降装置によりコンタクトローラに巻かれた研磨ベルトをレール頭部に接触させて研削し、レールの頭部を研削した後、横行装置で研削装置を移動しながら回動装置で研削装置を所定角度傾けてコンタクトローラに巻かれた研磨ベルトでレールの頭部内側面を研削するようにしたから、レ−ルの頭部上面の水平摩耗や波状摩耗とレ−ルの頭部内側面の側摩耗を連続的に除去することができ、作業能率を大幅に向上させることができる。
【0015】
また、レ−ルの頭部内側面を研削するときに、外径の小さなコンタクトローラに巻かれた研磨ベルトで研削するから、レールの内側に脱線防止レールや脱線防止レールの締結装置があっても、その影響を受けずにレ−ルの頭部内側面を安定して研削することができる。
【図面の簡単な説明】
【図1】この発明の実施例の構成を示す側面図である。
【図2】上記実施例の側面断面図である。
【図3】上記実施例の正面断面図である。
【図4】上記実施例の上面断面図である。
【図5】研削装置の構成図である。
【図6】研削装置の研磨ベルトの巻き回し状態を示す構成図である。
【図7】従来例の構成を示す側面図である。
【符号の説明】
1;レ−ル研削装置、2;レ−ル、3;台車、4;横行装置、5;回動装置、
6;昇降装置、7;研削装置、35;駆動モータ、36;駆動ローラ、
37;第1の方向変換ローラ対、38;第2の方向変換ローラ対、
39;コンタクトローラ、40;研磨ベルト。
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a rail grinding apparatus for grinding a surface of a rail on which a vehicle travels, and more particularly to an improvement in machining efficiency.
[0002]
[Prior art]
If the rail on which the train runs is used for a long time, wear occurs. The wear of the rail includes side wear generated on the inner surface of the rail head by the wheel flange, horizontal wear generated on the upper surface of the rail head, and wavy wear generated on the upper surface of the rail head. There is. When the wavy wear occurs, the noise and the vibration when the train runs increase, and not only the riding comfort is deteriorated, but also the truck and the body of the vehicle are adversely affected. In order to prevent such an adverse effect, a rail grinding device for grinding the surface of the laid rail is used.
[0003]
As shown in the front view of FIG. 7, a conventional rail grinding device includes a rotating device 52 supported by a traversing device 51 mounted on a carriage 3 running on a pair of laid rails 2. , A grinding device 53 attached to the rotating device 52 and a driving device 54. The grinding device 53 includes a whetstone raising / lowering unit 55, a disk-shaped whetstone 56 attached to the tip of the whetstone lifting / lowering unit 55, a whetstone raising / lowering handle 57 for raising / lowering the whetstone 56, and a belt 58, a pulley 59, etc. And a drive shaft 60 connected by a. The upper surface of the rail 2 is ground while the position of the grindstone 56 is adjusted by the grindstone raising / lowering handle 57 while rotating the grindstone 56 by rotating the drive shaft 60 with the drive device 54. After grinding the upper surface of the head of the rail 2, the traversing device 51 and the rotating device 52 move the grinding device 53 and the driving device 54 in the horizontal direction while tilting the rail 2 at a predetermined angle to grind the inner surface of the head of the rail 2. I have.
[0004]
[Problems to be solved by the invention]
However, in recent years, a derailment prevention rail is provided inside the rail in order to prevent the train from derailing at a curved portion of the rail. Since a fastening device for fastening the derailment prevention rail to the rail or the PC sleeper is provided between the rail and the derailment prevention rail, a rail grinding device having a disk-shaped grindstone has a portion provided with the derailment prevention rail. The upper surface of the rail head can be ground to remove horizontal wear and corrugated wear, but the inner surface of the rail head cannot be machined and side wear cannot be removed.
[0005]
The present invention has been made in order to improve such disadvantages, and it is possible to remove horizontal wear and wavy wear of the rail, and at the same time, to remove the side wear of the rail where the derailment preventing rail is provided. It is an object of the present invention to provide a grinding machine.
[0006]
[Means for Solving the Problems]
A rail grinding apparatus according to the present invention comprises a carriage (3) running on a pair of laid rails (2), and a direction mounted on the carriage (3) and orthogonal to a traveling direction of the carriage (3). A traversing device (4) that moves horizontally, a rotating device (5) mounted on the traversing device (4), and rotating in a vertical direction perpendicular to the traveling direction of the bogie (3), and a rotating device (5). It has a mounted lifting device (6) and a grinding device ( 7 ) attached to the lifting device (6), and the grinding device (7) is provided with a drive motor (35) provided in the vertical Z-axis direction. A first direction change roller pair (37) provided in the Y-axis direction in a horizontal direction in which the rotation axis is different from the rotation axis of the drive roller (36) by 90 degrees; The second direction changing roller pair (38) and the X-axis direction whose rotation axis is different from the second direction changing roller pair (38) by 90 degrees. The first pair of direction change rollers (37) and the second pair of direction change rollers (38) each include two rollers, and each of the first pair of direction change rollers (37) and the second pair of direction change rollers (38) has a contact roller (39). The contact roller (39) is provided at a fixed distance below the second pair of direction-changing rollers (38), and the drive roller (36) is provided at a fixed distance above the drive roller (36). A polishing belt (40) is wound around the first direction changing roller pair (37), the second direction changing roller pair (38) and the contact roller (39), and the polishing belt (40) is driven by a driving roller. The rotation of (36) passes through the first roller (371) of the first pair of direction change rollers (37), changes the direction, and converts the direction to the first roller (381) of the second pair of direction change rollers (38). To the first roller (38) ), The direction is changed and sent to the contact roller (39). The direction is changed by the second roller (382) of the second direction changing roller pair (38) through the contact roller (39), and the first direction is changed. Is sent to the second roller (372) of the pair of direction change rollers (37), the direction is changed by the second roller (372), and the direction is sent to the drive roller (36).
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
The rail grinding device according to the present invention includes a truck running on a pair of laid rails, a traversing device, a rotating device, a lifting device, and a grinding device mounted on the truck. The grinding device has a driving roller connected to a driving motor, a direction changing roller, and a polishing belt wound around a contact roller. When grinding the head of the rail with this grinding belt, the grinding belt wound on the contact roller is moved to the upper part of the rail by the rotating device and the traversing device, and the grinding belt wound on the contact roller by the lifting device is moved to the rail head. Grind by contacting the part. After grinding the head of the rail, the grinding device is tilted at a predetermined angle by the rotating device while moving the grinding device by the traversing device, and the inner surface of the head of the rail is ground by the polishing belt wound on the contact roller.
[0008]
【Example】
FIG. 1 is a side view showing an embodiment of the present invention. As shown in the figure, a rail grinding device 1 includes a truck 3 running on a pair of laid rails 2, a traversing device 4, a rotating device 5, a lifting device 6, and a grinding device mounted on the truck 3. Seven. The traversing device 4 has a traversing frame 8 and a traversing mechanism 9 for moving the traversing frame 8 as shown in a side sectional view of FIG. 2 and a front sectional view of FIG. At the upper part of the transverse frame 8, as shown in the side sectional view of FIG. 2, a holding frame 10 which stands up at both ends in the moving direction of the carriage 3 and holds the rotating device 4 is provided. The lower end has a lateral feed portion 11 and the other lower end has a guide portion 12. As shown in the front sectional view of FIG. 3, the traversing mechanism 9 is attached to the fixed frame of the trolley 3 via a bearing 13 in a direction orthogonal to the traveling direction of the trolley 3 and has a traversing handle 14 at the tip. And a traversing position adjusting shaft 15 connected to the traversing portion 11 of the traversing frame 8 with a feed screw, and as shown in FIG. And a guide shaft 16 for sliding the guide portion 12 of the traversing frame 8.
[0009]
The turning device 5 has a turning frame 17 and a turning mechanism 18. As shown in FIG. 2, the rotating frame 17 has both end frames 19 raised substantially in a U-shape, and an elevating device holding portion 20 provided between the both end frames 19 and holding the elevating device 6. As shown in FIG. 2, a rotating shaft 21 is provided below the both end frames 19, and the rotating shaft 21 is rotatably supported by the holding frame 10 of the traversing frame 8 via a bearing 22. A gear 23 is attached to the tip of one rotating shaft 21. A guide shaft 24 is provided above the holding frame 10. In order to guide the guide shaft 24, the holding frame 10 of the traversing frame 8 is provided with an arc-shaped guide groove 25 centered on the axis of the rotating shaft 21, as shown in FIG. As shown in the top sectional view of FIG. 4, the rotating mechanism 18 rotates on both end frames 26 provided on the holding frame 10 of the traversing frame 8 on which a rotating shaft 21 having a gear 23 at the tip end is rotatably supported. It has a rotating shaft 28 that is freely attached and has a driving gear 27 that meshes with the gear 23, and a rotating handle 29 that is attached to the tip of the rotating shaft 28.
[0010]
As shown in FIG. 2, the lifting device 6 includes a lifting frame 30 vertically fixed to the lifting device holding portion 20 of the rotating frame 17, and two guide shafts 31 provided vertically in the lifting frame 30. , A driving screw 33 that meshes with a screw provided at the upper end of the lifting frame 30 to move the slider 32 in the vertical direction, and a lifting handle 34 provided at the tip of the driving screw 32. The grinding device 7 is mounted on the slider 32 by a mounting jig bent at an acute angle by a predetermined angle.
[0011]
As shown in FIG. 5, the grinding device 7 is different from the drive roller 36 connected to the drive shaft of the drive motor 35 provided in the vertical Z-axis direction in that the rotation axis is different from the rotation axis of the drive roller 36 by 90 degrees. The first direction changing roller pair 37 and the second direction changing roller pair 38 provided in the Y direction in the horizontal direction, and the rotating shaft is provided in the X axis direction different from the second direction changing roller pair 38 by 90 degrees. It has a contact roller 39. The first direction changing roller pair 37 and the second direction changing roller pair 38 each include two rollers, and are provided above the driving roller 36 at a predetermined interval with the driving roller 36 interposed therebetween. The contact rollers 39 are provided below the second pair of direction change rollers 38 at regular intervals. As shown in FIG. 6, a polishing belt 40 is wound around the driving roller 36, the first direction changing roller pair 37, the second direction changing roller pair 38, and the contact roller 39. The direction of the polishing belt 40 is changed by passing the first roller 371 of the first pair of direction change rollers 37 by the rotation of the drive roller 36, and is sent to the first roller 381 of the second pair of direction change rollers 38. When passing through the first roller 381, the direction is changed and sent to the contact roller 39. The direction of the polishing belt 40 that has passed through the contact roller 39 is changed by the second roller 382 of the second pair of direction change rollers 38, and is sent to the second roller 372 of the first pair of direction change rollers 37. The direction is changed by the roller 371 and is sent to the drive roller 36. The polishing belt 40 is tensioned by a constant tension by a spring 41 provided between the first direction changing roller pair 37 and the second direction changing roller pair 38. As shown in FIG. 1, the drive roller 36 and the first pair of direction change rollers 37 and the second pair of direction change rollers 38 of the grinding device 7 are covered with a belt cover 42, and contact with the tip of the contact roller 39. The polishing belt 40 wound around the roller 39 is exposed from the belt cover 42.
[0012]
When machining the head of the rail 2 laid by the rail grinding device 1 configured as described above, first, the turning handle 29 of the turning device 5 is turned to turn the turning frame 17. With the lifting device holding section 20 being horizontal, the polishing belt 40 between the second pair of direction change rollers 38 of the grinding device 7 and the contact roller 39 of the grinding device 7 attached to the slider 32 of the lifting device 6 is set in the initial position. Is determined. In this state, the traverse handle 8 of the traverse device 4 is operated to move the traverse frame 8 so that the contact roller 39 is positioned above the rail 2. After moving the contact roller 39 onto the rail 2, the drive motor 35 of the grinding device 7 is rotated to rotate the polishing belt 40 and operate the lifting handle 34 of the lifting device 6 to wind the contact roller 39 around the contact roller 39. The ground polishing belt 40 is brought into contact with the upper surface of the head of the rail 2 for grinding. When grinding the top surface of the rail 2, the traversing handle 14 of the traversing device 4 is operated to adjust the grinding position to remove horizontal wear and wavy wear. When the upper surface of the head of the rail 2 is ground in this way, the grinding device 7 is attached to the surface of the slider 32 of the elevating device 6 at a fixed angle to the outside. Can be skipped. When grinding of the upper surface of the head of the rail 2 is completed, the turning frame 17 is turned while the traversing frame 8 is moved by operating the traversing handle 14 and the turning handle 29, and the grinding device is operated. 7 is tilted at a predetermined angle. Then, the inner surface of the head of the rail 2 is ground with the polishing belt 40 wound around the contact roller 39 to remove side wear. By repeating this operation sequentially while moving the carriage 3, horizontal wear and wavy wear on the upper surface of the rail 2 and side wear on the inner surface of the head of the rail 2 are continuously removed. can do. Further, when grinding the inner side surface of the head of the rail 2, the grinding is performed by the polishing belt 40 wound around the contact roller 39 having a small outer diameter. Even if there is an apparatus, the inner side surface of the rail 2 can be ground without being affected by the apparatus.
[0013]
In the above-described embodiment, the case where the grinding device 7 is provided with the first direction changing roller pair 37 and the second direction changing roller pair 38 has been described, but the rotating shaft of the driving roller 36 of the grinding device 7 is rotated by the rotation of the contact roller 39. The grinding belt 40 may be provided parallel to the shaft, and the rotating shaft of the driving roller 36 may be connected to the driving motor 35 directly or via a gear group, and the polishing belt 40 may be rotated only by the driving roller 36 and the contact roller 39.
[0014]
【The invention's effect】
As described above, the present invention mounts a grinding device having a drive roller connected to a drive motor, a direction changing roller, and a polishing belt wound around a contact roller on a pair of rails on which a grinding device is laid. Then, when grinding the head of the rail with the grinding belt of the grinding device, the grinding belt wound on the contact roller by the rotating device and the traversing device is moved to the upper part of the rail, and the grinding wound on the contact roller by the lifting device. After grinding the belt by contacting the rail head and grinding the head of the rail, tilt the grinding device by a predetermined angle with a rotating device while moving the grinding device with a traversing device, and use a polishing belt wound around a contact roller. Since the inner surface of the rail head is ground, horizontal and wavy wear on the upper surface of the rail and side wear on the inner surface of the rail head can be continuously removed. It is possible to greatly improve the work efficiency.
[0015]
Also, when grinding the inner side surface of the rail head, grinding is performed with a polishing belt wound around a contact roller having a small outer diameter. Therefore, there is a derailment prevention rail or a fastening device for the derailment prevention rail inside the rail. However, the inner surface of the rail head can be stably ground without being affected by this.
[Brief description of the drawings]
FIG. 1 is a side view showing a configuration of an embodiment of the present invention.
FIG. 2 is a side sectional view of the embodiment.
FIG. 3 is a front sectional view of the embodiment.
FIG. 4 is a top sectional view of the embodiment.
FIG. 5 is a configuration diagram of a grinding device.
FIG. 6 is a configuration diagram showing a state in which a polishing belt of a grinding device is wound.
FIG. 7 is a side view showing a configuration of a conventional example.
[Explanation of symbols]
1; rail grinding device; 2; rail; 3; trolley; 4; traversing device; 5;
6; lifting device, 7; grinding device, 35; drive motor, 36; drive roller,
37; a first pair of direction changing rollers, 38; a second pair of direction changing rollers,
39; contact roller; 40; polishing belt.

Claims (1)

敷設された一対のレ−ル(2)を走行する台車(3)と、台車(3)上に搭載され台車(3)の進行方向と直交する方向に水平移動する横行装置(4)と、横行装置(4)に搭載され台車(3)の進行方向と直交する垂直方向に回動する回動装置(5)と、回動装置(5)に搭載された昇降装置(6)と、昇降装置(6)に取り付けられた研削装置A trolley (3) running on a pair of laid rails (2), a traversing device (4) mounted on the trolley (3) and horizontally moving in a direction orthogonal to the traveling direction of the trolley (3); A rotating device (5) mounted on the traversing device (4) and rotating in a vertical direction perpendicular to the traveling direction of the carriage (3); a lifting device (6) mounted on the rotating device (5); Grinding device attached to device (6) (( 7 )) を有し、Has,
研削装置(7)は、垂直方向であるZ軸方向に設けた駆動モータ(35)の駆動軸に連結された駆動ローラ(36)と、回転軸が駆動ローラ(36)の回転軸と90度異なる水平方向でY軸方向に設けられた第1の方向変換ローラ対(37)と第2の方向変換ローラ対(38)及び回転軸が第2の方向変換ローラ対(38)と90度異なるX軸方向に設けられたコンタクトローラ(39)を有し、第1の方向変換ローラ対(37)と第2の方向変換ローラ対(38)はそれぞれ2個のローラからなり、駆動ローラ(36)の上部で駆動ローラ(36)を挟んで一定間隔をおいて設けられ、コンタクトローラ(39)は第2の方向変換ローラ対(38)の下部に一定距離を置いて設けられ、駆動ローラ(36)と第1の方向変換ローラ対(37)と第2の方向変換ローラ対(38)及びコンタクトローラ(39)には、研磨ベルト(40)が巻き回され、研磨ベルト(40)は、駆動ローラ(36)の回転により第1の方向変換ローラ対(37)の第1のローラ(371)を通り、方向を変換して第2の方向変換ローラ対(38)の第1のローラ(381)に送られ、第1のローラ(381)により方向が変換されてコンタクトローラ(39)に送られ、コンタクトローラ(39)を通って第2の方向変換ローラ対(38)の第2のローラ(382)により方向が変換されて第1の方向変換ローラ対(37)の第2のローラ(372)に送られ、第2のローラ(372)で方向が変換されて駆動ローラ(36)に送られることを特徴とするレール研削装置。  The grinding device (7) includes a drive roller (36) connected to a drive shaft of a drive motor (35) provided in a Z-axis direction that is a vertical direction, and a rotation axis that is 90 degrees with a rotation axis of the drive roller (36). The first direction changing roller pair (37) and the second direction changing roller pair (38) provided in the Y-axis direction in different horizontal directions, and the rotation axis is different from the second direction changing roller pair (38) by 90 degrees. It has a contact roller (39) provided in the X-axis direction, and each of the first pair of direction changing rollers (37) and the second pair of direction changing rollers (38) is composed of two rollers, and has a driving roller (36). ) Above the drive roller (36) with a certain distance therebetween, and the contact roller (39) is provided below the second pair of direction change rollers (38) with a certain distance, and is provided with a drive roller (36). 36) and the first direction changing roller pair (37) A polishing belt (40) is wound around the pair of direction change rollers (38) and the contact roller (39), and the polishing belt (40) is turned in a first direction by rotation of a driving roller (36). After passing through the first roller (371) of the roller pair (37), the direction is changed and sent to the first roller (381) of the second direction changing roller pair (38), and the first roller (381) is changed. The direction is changed by the second direction change roller pair (38), and the direction is changed by the second roller (382) of the second direction change roller pair (38) through the contact roller (39). A rail grinding device, wherein the rail is sent to a second roller (372) of a pair of direction change rollers (37), the direction of which is changed by the second roller (372), and sent to a drive roller (36).
JP2001026242A 2001-02-02 2001-02-02 Rail grinding device Expired - Lifetime JP3558987B2 (en)

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JP4554228B2 (en) * 2004-02-10 2010-09-29 株式会社日立製作所 Guide rail processing equipment
AT509530B1 (en) * 2010-02-25 2012-01-15 Linsinger Maschb Gesmbh DRIVEN DEVICE FOR MACHINING RAIL HEADS
CN108103863B (en) * 2017-11-15 2019-07-19 钟锦照 A kind of railway rail grinding device
KR102153107B1 (en) * 2018-11-06 2020-09-07 주식회사 천경기업 Apparatus for grinding surface of rail
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