JP2002250401A - Wheel and wheel balance adjusting method - Google Patents
Wheel and wheel balance adjusting methodInfo
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- JP2002250401A JP2002250401A JP2001048417A JP2001048417A JP2002250401A JP 2002250401 A JP2002250401 A JP 2002250401A JP 2001048417 A JP2001048417 A JP 2001048417A JP 2001048417 A JP2001048417 A JP 2001048417A JP 2002250401 A JP2002250401 A JP 2002250401A
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- Prior art keywords
- weight
- wheel
- balance
- unbalanced
- outer ring
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、回転バランスの
調整が容易な車輪と、車輪のバランス調整方法に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel whose rotational balance can be easily adjusted and a method of adjusting the balance of the wheel.
【０００２】[0002]
【従来の技術】各種車両用の車輪は、回転時に振れが生
じないように、車両に装備される前に回転バランスを調
整される。この車輪のバランスを調整する方法として
は、車輪を中心軸の回りに回転させて、その半径方向の
振れの位相、振幅および振動加速度を測定し、この振れ
をなくすように、外輪部の内側をグラインダ等により削
る方法や、車輪に固定するブレーキディスクの取り付け
ボルトやワッシャの重量を増減する方法が採用されてい
る。2. Description of the Related Art Wheels for various vehicles are adjusted in rotational balance before being mounted on the vehicle so that the wheels do not run out during rotation. As a method of adjusting the balance of the wheel, the wheel is rotated around a central axis, and the phase, amplitude and vibration acceleration of the radial runout are measured, and the inside of the outer ring portion is removed so as to eliminate the runout. A method of shaving with a grinder or the like, and a method of increasing or decreasing the weight of mounting bolts and washers for a brake disk fixed to wheels are adopted.
【０００３】前者は、鉄道用車輪のように非常に硬い材
料で形成されたものでは、削り作業に多大の手間を要
し、かつ、バランスの調整精度も劣る。また、後者は、
ブレーキディスクのボルト取り付け位置の半径が小さい
ので、大きな調整重量を必要とし、かつ、ブレーキディ
スクの交換毎にバランス調整を必要とする。[0003] The former, which is made of a very hard material such as a railway wheel, requires a great deal of labor for shaving work, and the balance adjustment accuracy is poor. The latter is
Since the radius of the bolt mounting position of the brake disk is small, a large adjustment weight is required, and a balance adjustment is required every time the brake disk is replaced.
【０００４】一方、一般的な回転体のバランス調整方法
としては、特開平６−１１７４９３号公報に記載された
ものがある。このバランス調整方法は、回転体の外周に
複数種のバランス錘を取り付けるものであり、錘の取り
付け方法には、例えば、スポット溶接を採用している。On the other hand, as a general method of adjusting the balance of a rotating body, there is a method described in Japanese Patent Application Laid-Open No. Hei 6-117493. In this balance adjustment method, a plurality of types of balance weights are attached to the outer periphery of the rotating body. For example, spot welding is adopted as the attachment method of the weights.
【０００５】[0005]
【発明が解決しようとする課題】上述した複数種のバラ
ンス錘を回転体の外周に取り付けるバランス調整方法
は、精度のよいバランス調整を比較的簡単に行なえ、か
つ、重心断面位置の外周にバランス錘を取り付ければ、
車輪の軸方向の振れの外乱にもならない利点を有する
が、車輪のように外周が転動面となる回転体には採用で
きない問題がある。また、鉄道用車輪のように、高炭素
鋼で形成されたものは、十分な溶接強度を確保できない
問題もある。The above-mentioned balance adjusting method for mounting a plurality of types of balance weights on the outer periphery of the rotating body can perform accurate balance adjustment relatively easily, and can provide a balance weight on the outer periphery of the center of gravity cross-sectional position. If you attach
Although it has an advantage that it does not cause disturbance of the axial runout of the wheel, it has a problem that it cannot be applied to a rotating body whose outer periphery is a rolling surface like a wheel. Further, there is also a problem that a material formed of high carbon steel such as a railway wheel cannot secure sufficient welding strength.
【０００６】そこで、この発明の課題は、簡単な方法で
精度よく車輪のバランス調整を行なうことである。It is an object of the present invention to accurately adjust the balance of wheels by a simple method.
【０００７】[0007]
【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、この発明の車輪は、外輪部が剛体で形成された車
輪において、前記外輪部の少なくとも一方の側面の、前
記車輪中心から所定半径の円周上で周方向に等分した複
数箇所に、前記車輪の回転バランスを調整するバランス
錘を着脱する錘取り付け部を設けた構成を採用したもの
である。In order to achieve the above object, a wheel according to the present invention comprises a wheel having a rigid outer ring portion, wherein at least one side surface of the outer ring portion is defined by a predetermined distance from the wheel center. A weight mounting portion for mounting and removing a balance weight for adjusting the rotational balance of the wheel is provided at a plurality of locations equally divided in the circumferential direction on the circumference of the radius.
【０００８】すなわち、車輪の外輪部の少なくとも一方
の側面の、車輪中心から所定半径の円周上で周方向に等
分した複数箇所に、バランス錘を着脱する錘取り付け部
を設けることにより、車輪の振れ測定結果に基づいて、
これらの事前に設けられた錘取り付け部に、選択的にバ
ランス錘を取り付けることにより、簡単に精度よくバラ
ンス調整を行なうことができるようにした。また、この
バランス錘は着脱できるので、車輪が使用中に何らかの
理由で不釣り合いを生じても、回転バランスを容易に再
調整することができる。That is, a weight attachment portion for attaching and detaching a balance weight is provided at a plurality of locations on at least one side surface of the outer ring portion of the wheel, which are equally divided in a circumferential direction on a circumference having a predetermined radius from the center of the wheel. Based on the runout measurement results,
By selectively attaching balance weights to these previously provided weight attachment portions, balance adjustment can be performed easily and accurately. Further, since the balance weight can be attached and detached, even if the wheels become unbalanced for some reason during use, the rotational balance can be easily readjusted.
【０００９】前記錘取り付け部を前記外輪部の両側面に
設けることにより、これらの両側面の錘取り付け部に、
必要なバランス錘の重量を振り分け、バランス錘一個当
たりの重量を軽くすることができる。また、この振り分
け割合を調節することにより、車輪の軸方向に生じる波
状の振れも調整することができる。By providing the weight mounting portions on both side surfaces of the outer ring portion, the weight mounting portions on these both side surfaces are provided with:
The necessary weight of the balance weight can be distributed, and the weight per balance weight can be reduced. In addition, by adjusting the distribution ratio, it is possible to adjust the wavy vibration generated in the axial direction of the wheel.
【００１０】前記錘取り付け部をねじ穴とし、前記バラ
ンス錘をこのねじ穴に螺着されるねじ部材とすることに
より、バランス錘を容易に着脱することができる。ねじ
部材としては、六角ボルト、六角穴付きボルト、六角穴
付き止めねじ等を用いることができる。The balance weight can be easily attached and detached by using the screw hole for the weight mounting portion and the screw member for screwing the balance weight into the screw hole. As the screw member, a hexagon bolt, a hexagon socket head bolt, a hexagon socket head set screw, or the like can be used.
【００１１】上記各車輪は、鉄道用車輪に好適である。Each of the above wheels is suitable for a railway wheel.
【００１２】また、この発明の車輪のバランス調整方法
は、外輪部が剛体で形成された車輪の回転バランスを調
整する車輪のバランス調整方法において、前記外輪部の
少なくとも一方の側面の、前記車輪中心から所定半径の
円周上で周方向に等分した複数箇所に、バランス錘を着
脱する錘取り付け部を設け、この車輪を、前記バランス
錘を取り付けない状態と、所定の重さのテスト用バラン
ス錘を任意の前記錘取り付け部に取り付けた状態とで、
所定の回転数で中心軸の回りに回転させて、その振れの
位相、振幅および振動加速度を測定し、この両状態での
車輪の振れの測定結果から、車輪の周方向での不釣り合
い位置と、前記所定半径位置の錘取り付け部に取り付け
られるバランス錘の重量に換算した不釣り合い重量とを
算出し、この算出された不釣り合い位置での不釣り合い
重量を解消するように、前記錘取り付け部にバランス錘
を取り付ける方法を採用することにより、簡単に精度よ
く車輪のバランス調整を行なうことができるようにし
た。[0012] Further, according to the wheel balance adjusting method of the present invention, in the wheel balance adjusting method for adjusting the rotational balance of a wheel having an outer ring portion formed of a rigid body, at least one side surface of the outer ring portion may have the wheel center. A plurality of weight attachment portions for attaching and detaching a balance weight are provided at a plurality of locations equally divided in the circumferential direction on a circumference of a predetermined radius from the wheel. With a weight attached to any of the weight attachment portions,
Rotate around the central axis at a predetermined number of rotations, measure the phase, amplitude and vibration acceleration of the runout, and from the measurement results of the runout of the wheel in both states, find the unbalanced position in the circumferential direction of the wheel and Calculate the unbalanced weight converted to the weight of the balance weight attached to the weight attachment portion at the predetermined radius position, and remove the unbalanced weight at the calculated unbalanced position, so that the weight attachment portion By adopting the method of attaching the balance weight, the balance of the wheels can be easily and accurately adjusted.
【００１３】前記錘取り付け部を前記外輪部の両側面に
設け、前記錘取り付け部へのバランス錘の取り付けを、
これらの両側面の錘取り付け部に振り分けることによ
り、バランス錘一個当たりの重量を軽くすることがで
き、この振り分け割合を調節することにより、車輪の波
状の振れも調整することができる。[0013] The weight mounting portions are provided on both side surfaces of the outer ring portion.
By distributing the weights to the weight attachment portions on both side surfaces, the weight per one balance weight can be reduced, and by adjusting the distribution ratio, the wavy deflection of the wheels can also be adjusted.
【００１４】前記不釣り合い位置での不釣り合い重量を
解消するように、錘取り付け部にバランス錘を取り付け
る方法を、このバランス錘一個の重量を所定の最大値以
下に限定し、前記不釣り合い位置に近い周方向位置の各
錘取り付け部から優先的に、前記バランス錘を取り付け
るものとすることにより、バランス錘の局部集中を回避
した上で、より少数、少重量のバランス錘でバランス調
整を行なうことができる。前記不釣り合い位置に近い各
錘取り付け部へ取り付けるバランス錘の重量の決定に際
しては、前記不釣り合い重量をベクトルで表し、この不
釣り合いベクトルの解消に必要な合成ベクトルを、数値
解法または図式解法で求める方法を採用することができ
る。In order to eliminate the unbalanced weight at the unbalanced position, the method of attaching the balance weight to the weight attachment portion is to limit the weight of one balance weight to a predetermined maximum value or less. By preferentially attaching the balance weight from each of the weight attachment portions at the close circumferential positions, avoiding local concentration of the balance weight, and performing balance adjustment with a smaller number, a smaller weight of the balance weight. Can be. When determining the weight of the balance weight to be attached to each weight mounting portion close to the unbalanced position, the unbalanced weight is represented by a vector, and a composite vector required for eliminating the unbalanced vector is obtained by a numerical solution or a graphical solution. A method can be adopted.
【００１５】[0015]
【発明の実施の形態】以下、図面に基づき、この発明の
実施形態を説明する。図１（ａ）、（ｂ）は、本発明に
係る鉄道用車輪を示す。この車輪１は、車軸取り付け孔
２が設けられた内輪部３、転動面４とレール案内鍔５が
設けられた外輪部６、および複数のブレーキディスク締
結孔７が設けられたディスク部８とが、鉄道車両用炭素
鋼で一体に形成され、バランス錘取り付け部としての各
ねじ穴９が、外輪部６の両側面の半径４００ｍｍの円周
上で、円周方向の間隔Δθを１５°として、２４個ずつ
設けられている。Embodiments of the present invention will be described below with reference to the drawings. 1 (a) and 1 (b) show a railway wheel according to the present invention. The wheel 1 includes an inner ring portion 3 provided with an axle mounting hole 2, an outer ring portion 6 provided with a rolling surface 4 and a rail guide flange 5, and a disk portion 8 provided with a plurality of brake disk fastening holes 7. Is formed integrally with carbon steel for railway vehicles, and each screw hole 9 as a balance weight attachment portion is formed on a circumference with a radius of 400 mm on both sides of the outer ring portion 6 with a circumferential interval Δθ of 15 °. , 24 are provided.
【００１６】図２（ａ）、（ｂ）に示すように、各ねじ
穴９には、車輪１の振れ測定結果に基づいて、車輪１の
不釣り合い重量を解消するバランス錘が選択的に取り付
けられる。図２（ａ）は、各ねじ穴９に、バランス錘と
して六角穴付き止めねじ１０ａ、１０ｂを螺着した例、
図２（ｂ）は、バランス錘として六角ボルト１１ａ、１
１ｂを螺着した例である。案内鍔５が設けられ、重心が
偏った側面側のねじ穴９には、それぞれ短尺で重量の軽
い六角穴付き止めねじ１０ａや六角ボルト１１ａが螺着
されている。なお、図２（ｂ）の六角ボルト１１ｂに
は、バランス錘の微調整用として、座金１２も取り付け
られている。As shown in FIGS. 2 (a) and 2 (b), a balance weight for eliminating the unbalanced weight of the wheel 1 is selectively mounted in each screw hole 9 based on the measurement result of the runout of the wheel 1. Can be FIG. 2A shows an example in which hexagon socket set screws 10 a and 10 b are screwed into each screw hole 9 as a balance weight.
FIG. 2B shows hexagon bolts 11a, 1 as balance weights.
This is an example in which 1b is screwed. The guide flange 5 is provided, and a short, light-weight set screw 10a with a hexagonal hole and a hexagonal bolt 11a are screwed into the screw holes 9 on the side surface where the center of gravity is deviated. A washer 12 is also attached to the hexagonal bolt 11b in FIG. 2B for fine adjustment of the balance weight.
【００１７】以下に、図３に基づいて、車輪１のバラン
ス調整方法を説明する。まず、車輪１を、バランス錘を
取り付けない状態と、所定の重さ（４０ｇ）のテスト用
バランス錘を任意のねじ穴９に取り付けた状態とで、回
転試験機に取り付け、回転時の半径方向の振れの位相、
振幅および振動加速度を測定して、この測定結果から、
車輪１の周方向での不釣り合い位置Ｐ（テスト用バラン
ス錘を取り付けたねじ穴９の位置Ｐ0 からの位相角α）
と、半径４００ｍｍ位置のねじ穴９に取り付けられるバ
ランス錘の重量に換算した不釣り合い重量Ｗとを算出す
る。Hereinafter, a method for adjusting the balance of the wheel 1 will be described with reference to FIG. First, the wheel 1 is attached to a rotation test machine in a state where the balance weight is not attached and in a state where a test balance weight having a predetermined weight (40 g) is attached to an arbitrary screw hole 9, and the radial direction during rotation is set. The swing phase of the
Measure the amplitude and vibration acceleration, and from the measurement results,
Unbalance position P in the circumferential direction of wheel 1 (phase angle α from position P 0 of screw hole 9 to which test balance weight is attached)
And the unbalanced weight W calculated as the weight of the balance weight attached to the screw hole 9 at a radius of 400 mm.
【００１８】前記回転試験機としては、例えば、鉄道用
高速ブレーキダイナモ試験機を用いることができ、前記
振れの位相、振幅および振動加速度の測定装置として
は、例えば、回転機械の不釣り合い測定に使用されるバ
ランスキーパー（商品名）を用いることができる。As the rotation testing machine, for example, a high-speed brake dynamo testing machine for railways can be used. As the measuring device for measuring the phase, amplitude and vibration acceleration of the run-out, for example, it is used for measuring unbalance of a rotating machine. Balance keeper (trade name) can be used.
【００１９】つぎに、バランス錘一個の最大重量Ｗmax
を限定して、前記算出された不釣り合い位置Ｐでの不釣
り合い重量Ｗを解消するように、不釣り合い位置Ｐに近
いｎ箇所の周方向位置Ｐj (j＝１〜ｎ）の各錘取り付け
部に取り付けるバランス錘の重量Ｗj (j＝１〜ｎ）を、
次式により求める。なお、θj (j＝１〜ｎ）は各周方向
位置Ｐj の不釣り合い位置Ｐからの位相角であり、θj
≦θj-1 となるように、各周方向位置Ｐj をとる。Next, the maximum weight Wmax of one balance weight is
To limit the weight W at the n circumferential positions P j (j = 1 to n) close to the unbalanced position P so as to eliminate the calculated unbalanced weight W at the unbalanced position P. Weight W j (j = 1 to n) of the balance weight attached to the part,
It is calculated by the following equation. Here, θ j (j = 1 to n) is a phase angle of each circumferential position P j from the unbalanced position P, and θ j
Each circumferential position P j is set so that ≦ θ j-1 .
【００２０】[0020]
【数１】 (Equation 1)
【００２１】最後に、（１）〜（３）式から求めたバラ
ンス錘の重量Ｗj (j＝１〜ｎ）を、それぞれ該当する周
方向位置Ｐj (j＝１〜ｎ）の両側面の各ねじ穴９に、振
り分けて取り付ける。なお、片側面のみにねじ穴９を設
け、重量Ｗj の各バランス錘をこれらの片側面のねじ穴
９にそのまま取り付けることもできる。Finally, the weights W j (j = 1 to n) of the balance weights obtained from the equations (1) to (3) are converted to the side surfaces of the corresponding circumferential position P j (j = 1 to n). To each of the screw holes 9. Note that the threaded hole 9 is provided only on one side, each balance weight of the weight W j can be attached directly to the threaded holes 9 of these side surfaces.
【００２２】以下に、実施例に基づいて、具体的な不釣
り合い位置Ｐ（位相角α）での不釣り合い重量Ｗに対応
した、各周方向位置Ｐj (j＝１〜ｎ）の錘取り付け部へ
のバランス錘の重量Ｗj (j＝１〜ｎ）の求め方を示す。
なお、以下の各実施例では、説明を分かりやすくするた
めに、前記両側面の同じ周方向位置Ｐj の各ねじ穴９に
取り付ける２つのバランス錘の合計重量をバランス錘の
重量Ｗj とし、その最大重量Ｗmax を４０ｇとする。Hereinafter, based on the embodiment, weight attachment at each circumferential position P j (j = 1 to n) corresponding to the unbalance weight W at the specific unbalance position P (phase angle α). The method of obtaining the weight W j (j = 1 to n) of the balance weight to the part will be described.
In the following embodiments, for ease of explanation, the weight W j of the same circumferential position P j total weight balance weight of two balance weight to be attached to the screw hole 9 of the side surfaces, The maximum weight Wmax is 40 g.
【００２３】[0023]
【実施例１】不釣り合い位置Ｐの位相角αが５０°、不
釣り合い重量Ｗが５２ｇで、バランス錘の取り付け箇所
数ｎを２とした。（図４） 前記錘取り付け部の円周方向間隔Δθは１５°であるの
で、バランス錘を取り付ける周方向位置Ｐ1 、Ｐ2 の位
相角θ1 、θ2 は、 θ2 ＝α−Δθ×３＝５０°−１５°×３＝５° θ1 ＝Δθ−θ2 ＝１５°−５°＝１０°EXAMPLE 1 The phase angle α at the unbalanced position P was 50 °, the unbalanced weight W was 52 g, and the number n of attachment points of the balance weight was 2. (FIG. 4) Since the circumferential interval Δθ of the weight mounting portion is 15 °, the phase angles θ 1 and θ 2 of the circumferential positions P 1 and P 2 at which the balance weight is mounted are θ 2 = α−Δθ × 3 = 50 ° -15 ° × 3 = 5 ° θ 1 = Δθ-θ 2 = 15 ° -5 ° = 10 °
【００２４】[0024]
【数２】 (Equation 2)
【００２５】すなわち、不釣り合い位置Ｐに最も近い取
り付け部Ｐ2 （θ2 ＝５°）に３４．９ｇ、２番目に近
い取り付け部Ｐ1 （θ1 ＝１０°）に１７．５ｇのバラ
ンス錘を取り付ける。That is, the balance weight of 34.9 g at the mounting portion P 2 (θ 2 = 5 °) closest to the unbalanced position P and 17.5 g at the mounting portion P 1 (θ 1 = 10 °) closest to the unbalance position P. Attach.
【００２６】[0026]
【実施例２】不釣り合い位置Ｐの位相角αが１４６°、
不釣り合い重量Ｗが８７ｇで、バランス錘の取り付け箇
所数ｎを３とした。（図５）バランス錘を取り付ける各
周方向位置Ｐj (j＝１〜３）の位相角θj は、 θ3 ＝Δθ×１０−α＝１５°×１０−１４６°＝４° θ2 ＝Δθ−θ3 ＝１５°−４°＝１１° θ1 ＝Δθ＋θ3 ＝１５°＋４°＝１９° （３）式より、 Ｗ3 ＝Ｗmax ＝４０ｇEmbodiment 2 The phase angle α at the unbalanced position P is 146 °,
The unbalanced weight W was 87 g, and the number n of attachment points of the balance weight was 3. (FIG. 5) The phase angle θ j of each circumferential position P j (j = 1 to 3) where the balance weight is attached is θ 3 = Δθ × 10−α = 15 ° × 10−146 ° = 4 ° θ 2 = Δθ−θ 3 = 15 ° −4 ° = 11 ° θ 1 = Δθ + θ 3 = 15 ° + 4 ° = 19 ° From the equation (3), W 3 = Wmax = 40 g
【００２７】[0027]
【数３】 (Equation 3)
【００２８】すなわち、不釣り合い位置Ｐに最も近い取
り付け部Ｐ3 （θ3 ＝４°）に最大重量４０ｇ、２番目
に近い取り付け部Ｐ2 （θ2 ＝１１°）に３５．９ｇ、
３番目に近い取り付け部Ｐ1 （θ1 ＝１９°）に１２．
５ｇのバランス錘を取り付ける。That is, the maximum weight is 40 g at the mounting portion P 3 (θ 3 = 4 °) closest to the unbalance position P, and 35.9 g at the mounting portion P 2 (θ 2 = 11 °) closest to the unbalanced position P.
Third closest to the mounting portion P 1 (θ 1 = 19 ° ) to 12.
Attach a 5 g balance weight.
【００２９】上記各実施例は、バランス錘の取り付け箇
所数ｎが２および３の場合について示したが、４箇所以
上に取り付ける場合も、同様の手順で各取り付け部Ｐj
のバランス錘の重量Ｗj を求めることができる。なお、
不釣り合い重量Ｗが大きくなるほど、取り付け箇所数ｎ
を増加させるが、不釣り合い位置Ｐからの位相角θjが
３８°を越えると（本実施例では、Δθ＝１５°とした
ので、ｎ＞６）、バランス調整効果は小さくなることが
わかった。The above-described embodiments, although attachment point number n of the balance weight is shown for the case of 2 and 3, even when attached to the four or more places, the same respective mounting portions P j in step
The weight W j of the balance weight can be obtained. In addition,
As the unbalanced weight W increases, the number of attachment points n
However, when the phase angle θ j from the unbalanced position P exceeds 38 ° (in this embodiment, Δθ = 15 °, n> 6), it was found that the balance adjustment effect was reduced. .
【００３０】また、上記各実施例では、各周方向位置Ｐ
j の錘取り付け部へのバランス錘の重量Ｗj を数値解法
により求め、これらの求めた重量Ｗj を、図４および図
５に参考としてベクトル表示したが、図式解法により、
不釣り合い重量Ｗのベクトルに合致する合成ベクトルを
求め、この合成ベクトルを構成する個々のベクトルをバ
ランス錘の重量Ｗj としてもよい。In each of the above embodiments, each circumferential position P
calculated by numerical solution of the weight W j of the balance weight to the weight mounting portion of j, these calculated weight W j, has been vector displayed for reference in FIG. 4 and FIG. 5, the graphical methods,
Seeking resultant vector that matches the vector of the unbalanced weight W, or as the weight W j of the counterweight individual vectors constituting the composite vector.
【００３１】上述した実施形態は、鉄道用の車輪につい
てのものであるが、本発明に係る車輪とそのバランス調
整方法は、外輪部が剛体で形成された他の車輪にも適用
できることは勿論である。Although the above-described embodiment relates to a railway wheel, the wheel and the method of adjusting the balance according to the present invention can of course be applied to other wheels having an outer ring formed of a rigid body. is there.
【００３２】[0032]
【発明の効果】以上のように、この発明の車輪は、外輪
部の少なくとも一方の側面の、車輪中心から所定半径の
円周上で周方向に等分した複数箇所に、バランス錘を着
脱する錘取り付け部を設けたので、車輪の振れ測定結果
に基づいて、これらの事前に設けられた錘取り付け部
に、選択的にバランス錘を取り付けることにより、簡単
に精度よくバランス調整を行なうことができる。As described above, in the wheel according to the present invention, the balance weight is attached to and detached from at least one side surface of the outer ring portion at a plurality of positions equally divided in the circumferential direction on a circle having a predetermined radius from the center of the wheel. Since the weight attachment portion is provided, the balance can be easily and accurately adjusted by selectively attaching the balance weight to the weight attachment portion provided in advance based on the wheel runout measurement result. .
【００３３】前記錘取り付け部を前記外輪部の両側面に
設けることにより、これらの両側面の錘取り付け部に、
必要なバランス錘の重量を振り分け、バランス錘一個当
たりの重量を軽くすることができ、この振り分け割合を
調節することにより、車輪の軸方向の波状の振れも調整
することができる。By providing the weight attachment portions on both side surfaces of the outer ring portion, the weight attachment portions on these both side surfaces are
The required weight of the balance weight can be distributed, and the weight per balance weight can be reduced. By adjusting the distribution ratio, the wavy runout in the axial direction of the wheel can also be adjusted.
【００３４】また、この発明の車輪のバランス調整方法
は、上記のような錘取り付け部を設けた車輪を、バラン
ス錘を取り付けない状態と、所定の重さのテスト用バラ
ンス錘を任意の錘取り付け部に取り付けた状態とで、所
定の回転数で中心軸の回りに回転させて、その振れの位
相、振幅および振動加速度を測定し、この両状態での車
輪の振れの測定結果から、車輪の周方向での不釣り合い
位置と、所定半径位置の錘取り付け部に取り付けられる
バランス錘の重量に換算した不釣り合い重量とを算出
し、この算出された不釣り合い位置での不釣り合い重量
を解消するように、錘取り付け部にバランス錘を取り付
けるようにしたので、簡単に精度よく車輪のバランス調
整を行なうことができる。Further, according to the wheel balance adjusting method of the present invention, the wheel provided with the weight mounting portion as described above can be mounted in a state where the balance weight is not mounted, and a test balance weight having a predetermined weight can be mounted on an arbitrary weight. In the state where the wheel is mounted, the wheel is rotated around the central axis at a predetermined number of rotations, and the phase, amplitude and vibration acceleration of the vibration are measured. An unbalanced position in the circumferential direction and an unbalanced weight calculated as a weight of a balance weight attached to the weight attachment portion at a predetermined radius position are calculated, and the calculated unbalanced weight at the unbalanced position is eliminated. In addition, since the balance weight is attached to the weight attachment portion, the balance of the wheels can be easily and accurately adjusted.
【図１】ａは車輪の実施形態を示す縦断面図、ｂはａの
側面図FIG. 1a is a longitudinal sectional view showing an embodiment of a wheel, and b is a side view of a.
【図２】ａ、ｂは、それぞれ図１の車輪にバランス錘を
取り付けた例を示す要部拡大縦断面図FIGS. 2a and 2b are enlarged longitudinal sectional views of an essential part showing an example in which a balance weight is attached to the wheel of FIG. 1, respectively.
【図３】車輪のバランス調整方法を説明する車輪側面の
模式図FIG. 3 is a schematic diagram of a side surface of a wheel for explaining a method of adjusting the balance of the wheel.
【図４】実施例１のバランス調整方法を説明する車輪側
面の模式図FIG. 4 is a schematic diagram of a wheel side surface for explaining a balance adjusting method according to the first embodiment.
【図５】実施例２のバランス調整方法を説明する車輪側
面の模式図FIG. 5 is a schematic diagram of a side surface of a wheel illustrating a balance adjustment method according to a second embodiment.
１ 車輪 ２ 車軸取り付け孔 ３ 内輪部 ４ 転動面 ５ 案内鍔 ６ 外輪部 ７ ブレーキディスク締結孔 ８ ディスク部 ９ ねじ穴 １０ａ、１０ｂ 六角穴付き止めねじ １１ａ、１１ｂ 六角ボルト １２ 座金 DESCRIPTION OF SYMBOLS 1 Wheel 2 Axle mounting hole 3 Inner ring part 4 Rolling surface 5 Guide flange 6 Outer ring part 7 Brake disk fastening hole 8 Disk part 9 Screw hole 10a, 10b Hexagon socket set screw 11a, 11b Hexagon bolt 12 Washer
Claims (7)
て、前記外輪部の少なくとも一方の側面の、前記車輪中
心から所定半径の円周上で周方向に等分した複数箇所
に、前記車輪の回転バランスを調整するバランス錘を着
脱する錘取り付け部を設けたことを特徴とする車輪。1. A wheel having an outer ring portion formed of a rigid body, wherein at least one side surface of the outer ring portion is provided at a plurality of positions equally divided in a circumferential direction on a circumference having a predetermined radius from the center of the wheel. A wheel having a weight mounting portion for attaching and detaching a balance weight for adjusting a rotational balance.
に設けた請求項１に記載の車輪。2. The wheel according to claim 1, wherein the weight attachment portions are provided on both side surfaces of the outer ring portion.
ランス錘をこのねじ穴に螺着されるねじ部材とした請求
項１または２に記載の車輪。3. The wheel according to claim 1, wherein the weight mounting portion is a screw hole, and the balance weight is a screw member screwed into the screw hole.
至３のいずれかに記載の車輪。4. The wheel according to claim 1, wherein the wheel is a railway wheel.
ランスを調整する車輪のバランス調整方法において、前
記外輪部の少なくとも一方の側面の、前記車輪中心から
所定半径の円周上で周方向に等分した複数箇所に、バラ
ンス錘を着脱する錘取り付け部を設け、この車輪を、前
記バランス錘を取り付けない状態と、所定の重さのテス
ト用バランス錘を任意の前記錘取り付け部に取り付けた
状態とで、所定の回転数で中心軸の回りに回転させて、
その振れの位相、振幅および振動加速度を測定し、この
両状態での車輪の振れの測定結果から、車輪の周方向で
の不釣り合い位置と、前記所定半径位置の錘取り付け部
に取り付けられるバランス錘の重量に換算した不釣り合
い重量とを算出し、この算出された不釣り合い位置での
不釣り合い重量を解消するように、前記錘取り付け部に
バランス錘を取り付けるようにしたことを特徴とする車
輪のバランス調整方法。5. A wheel balance adjusting method for adjusting a rotational balance of a wheel having an outer ring portion formed of a rigid body, wherein at least one side surface of the outer ring portion has a circumferential direction on a circle having a predetermined radius from the wheel center. A plurality of weight mounting portions for attaching and detaching the balance weight are provided at a plurality of equally divided positions, and the wheels are mounted in a state where the balance weight is not mounted, and a test balance weight having a predetermined weight is mounted on any of the weight mounting portions. And rotate it around the central axis at a predetermined number of rotations,
The phase, amplitude and vibration acceleration of the run-out are measured, and from the measurement results of the run-out of the wheel in both states, the balance weight attached to the weight imbalance position in the circumferential direction of the wheel and the weight mounting portion at the predetermined radius position And calculating the unbalanced weight in terms of the weight of the wheel, so as to eliminate the unbalanced weight at the calculated unbalanced position, a balance weight is attached to the weight mounting portion, Balance adjustment method.
に設け、前記錘取り付け部へのバランス錘の取り付け
を、これらの両側面の錘取り付け部に振り分けるように
した請求項５に記載の車輪のバランス調整方法。6. The weight mounting portion according to claim 5, wherein the weight attachment portions are provided on both side surfaces of the outer ring portion, and the attachment of the balance weight to the weight attachment portion is distributed to the weight attachment portions on these both side surfaces. Wheel balance adjustment method.
を解消するように、錘取り付け部にバランス錘を取り付
ける方法が、このバランス錘一個の重量を所定の最大値
以下に限定し、前記不釣り合い位置に近い周方向位置の
各錘取り付け部から優先的に、前記バランス錘を取り付
けるものである請求項５または６に記載の車輪のバラン
ス調整方法。7. A method of attaching a balance weight to a weight attachment portion so as to eliminate the unbalanced weight at the unbalanced position, wherein the weight of one balance weight is limited to a predetermined maximum value or less, and The wheel balance adjusting method according to claim 5 or 6, wherein the balance weight is attached preferentially from each weight attachment portion at a circumferential position close to the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001048417A JP2002250401A (en) | 2001-02-23 | 2001-02-23 | Wheel and wheel balance adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001048417A JP2002250401A (en) | 2001-02-23 | 2001-02-23 | Wheel and wheel balance adjusting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002250401A true JP2002250401A (en) | 2002-09-06 |
Family
ID=18909691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001048417A Pending JP2002250401A (en) | 2001-02-23 | 2001-02-23 | Wheel and wheel balance adjusting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002250401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254357A (en) * | 2004-03-09 | 2005-09-22 | Toshiba Mach Co Ltd | Rotatable table device and machining device |
| JP2006035360A (en) * | 2004-07-26 | 2006-02-09 | Yamazaki Mazak Corp | Method of computing balancer mounting angle for machine tool, and machine tool |
-
2001
- 2001-02-23 JP JP2001048417A patent/JP2002250401A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254357A (en) * | 2004-03-09 | 2005-09-22 | Toshiba Mach Co Ltd | Rotatable table device and machining device |
| JP2006035360A (en) * | 2004-07-26 | 2006-02-09 | Yamazaki Mazak Corp | Method of computing balancer mounting angle for machine tool, and machine tool |
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