JP2015152371A - Static balancer and static balance measuring method - Google Patents

Static balancer and static balance measuring method Download PDF

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JP2015152371A
JP2015152371A JP2014024994A JP2014024994A JP2015152371A JP 2015152371 A JP2015152371 A JP 2015152371A JP 2014024994 A JP2014024994 A JP 2014024994A JP 2014024994 A JP2014024994 A JP 2014024994A JP 2015152371 A JP2015152371 A JP 2015152371A
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static
tire
measuring
balance
balancer
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JP6274896B2 (en
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哲貴 野田
Noritaka Noda
哲貴 野田
靖久 廣池
Yasuhisa Hiroike
靖久 廣池
修作 児玉
Shusaku Kodama
修作 児玉
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Sumitomo Rubber Industries Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a static balancer capable of stably operating a facility over a prolonged period of time by preventing damage to a bearing through reduction of a load applied to the bearing at the time of installation of a tire, and to provide a static balance measuring method using the static balancer.SOLUTION: A static balancer for measuring static balance of a tire comprises: a measuring shaft that is installed vertically; a tire placing table that is attached to an upper end of the measuring shaft through a bearing and allows placement of a tire to be inspected; a measuring device that measures a gradient direction and gradient quantity of the tire placing table and then measures static balance of the tire to be inspected; and a balance weight that is attached to the measuring shaft and maintains a vertical attitude of the measuring shaft. The static balancer is provided with a chuck device for holding the measuring shaft below the balance weight. The chuck device is made of a polyamide resin.

Description

本発明は、静止したタイヤのバランスを計測する静バランサーおよび前記静バランサーを用いた静バランスの計測方法に関する。   The present invention relates to a static balancer for measuring the balance of a stationary tire and a method for measuring a static balance using the static balancer.

空気入りタイヤの製造工程において、製造されたタイヤの品質を管理するため、静バランサーを用いて、静止したタイヤの周上における重さのばらつき（静バランス）を計測することが行われている（例えば特許文献１、２）。   In the manufacturing process of a pneumatic tire, in order to manage the quality of the manufactured tire, a weight balance (static balance) on the circumference of the stationary tire is measured using a static balancer ( For example, Patent Documents 1 and 2).

図３は、従来の静バランサーを模式的に示す正面図である。図３に示すように、静バランサー１はフラットな床面ＦＬ上に鉛直に設置された計測軸１ａと、軸受け２を介して計測軸１ａと連結されて水平に取り付けられたタイヤ載置台１ｂとを備えている。そして、計測軸１ａには、計測軸１ａの鉛直度を保って正確な計測ができるように、バランスウエイト４が取り付けられている。   FIG. 3 is a front view schematically showing a conventional static balancer. As shown in FIG. 3, the static balancer 1 includes a measurement shaft 1 a installed vertically on a flat floor surface FL, and a tire mounting table 1 b connected to the measurement shaft 1 a via a bearing 2 and mounted horizontally. It has. A balance weight 4 is attached to the measurement shaft 1a so that accurate measurement can be performed while maintaining the vertical degree of the measurement shaft 1a.

この静バランサー１では、タイヤ受け金具５ｃに横向きに載せられたタイヤＴを、タイヤ載置台１ｂ上で縦ローラー５ａのアダプタ５ｂにより位置調整して、計測軸１ａで支持させる。そして、タイヤ載置台１ｂに生じた傾きをロードセル６を用いて検出し、タイヤＴの静バランスを計測する。   In this static balancer 1, the position of the tire T placed sideways on the tire support 5c is adjusted by the adapter 5b of the vertical roller 5a on the tire mounting table 1b and supported by the measuring shaft 1a. And the inclination which arose in the tire mounting base 1b is detected using the load cell 6, and the static balance of the tire T is measured.

特開２００６−３０８３２０号公報JP 2006-308320 A 特開２００９−８５０６号公報JP 2009-8506 A

しかしながら、傾いた状態でタイヤＴが装着された場合には偏心力を受けて、計測軸１ａに振れを発生させる。しかし、計測軸１ａには、前記したように、バランスウエイト４が取り付けられているため、この振れの発生に対して計測軸１ａが元の鉛直状態に戻ろうとする力が働く。   However, when the tire T is mounted in a tilted state, it receives an eccentric force and causes the measurement shaft 1a to shake. However, since the balance weight 4 is attached to the measurement shaft 1a as described above, a force that the measurement shaft 1a returns to the original vertical state acts on the occurrence of this deflection.

この結果、タイヤ載置台１ｂと計測軸１ａとの間で支点となっている軸受け２に、大きな負荷が掛かり、軸受け２の破損を招いて、長時間安定して稼働できないという問題があった。   As a result, there is a problem that a large load is applied to the bearing 2 serving as a fulcrum between the tire mounting table 1b and the measuring shaft 1a, causing the bearing 2 to be damaged and being unable to operate stably for a long time.

そこで、本発明は、タイヤの装着時に、軸受けに加わる負荷を軽減して軸受けの破損を防止することにより、設備を長時間安定して稼働させることができる静バランサーおよび前記静バランサーを用いた静バランスの計測方法を提供することを課題とする。   Accordingly, the present invention provides a static balancer that can stably operate a facility for a long time by reducing a load applied to the bearing and preventing damage to the bearing when the tire is mounted, and a static balance using the static balancer. It is an object to provide a method for measuring balance.

請求項１に記載の発明は、
タイヤの静バランスを計測する静バランサーであって、
鉛直に設置された計測軸と、
前記計測軸の上端に軸受けを介して取り付けられて、検査対象のタイヤを載置するタイヤ載置台と、
前記タイヤ載置台の傾きの方向と傾き量を計測して、前記検査対象のタイヤの静バランスを計測する計測装置と、
前記計測軸に取り付けられて、前記計測軸の姿勢を鉛直に保つバランスウエイトと
を備え、
前記バランスウエイトの下方の前記計測軸を把持するチャック装置が設けられている
ことを特徴とする静バランサーである。 The invention described in claim 1
A static balancer that measures the static balance of a tire,
A measuring axis installed vertically;
A tire mounting table which is attached to the upper end of the measurement shaft via a bearing and mounts a tire to be inspected;
A measuring device that measures the direction and amount of inclination of the tire mounting table, and measures the static balance of the tire to be inspected;
A balance weight attached to the measurement axis and keeping the posture of the measurement axis vertical;
A static balancer characterized in that a chuck device is provided for gripping the measurement shaft below the balance weight.

また、請求項２に記載の発明は、
前記チャック装置が、ポリアミド樹脂製であることを特徴とする請求項１に記載の静バランサーである。 The invention according to claim 2
The static balancer according to claim 1, wherein the chuck device is made of a polyamide resin.

また、請求項３に記載の発明は、
請求項１または請求項２に記載の静バランサーを用いて、タイヤの静バランスを計測する静バランスの計測方法であって、
前記チャック装置が、前記静バランスの計測時以外には前記計測軸を把持し、計測時には前記計測軸を開放することを特徴とする静バランスの計測方法である。 The invention according to claim 3
A static balance measuring method for measuring a static balance of a tire using the static balancer according to claim 1 or 2,
The chucking device grips the measurement axis except during the measurement of the static balance, and opens the measurement axis during the measurement.

本発明によれば、タイヤの装着時に、軸受けに加わる負荷を軽減して軸受けの破損を防止することにより、設備を長時間安定して稼働させることができる静バランサーおよび前記静バランサーを用いた静バランスの計測方法を提供することができる。   According to the present invention, a static balancer capable of stably operating a facility for a long time by reducing a load applied to the bearing and preventing damage to the bearing when the tire is mounted, and a static balance using the static balancer. A method for measuring balance can be provided.

本発明の一実施の形態に係る静バランサーを模式的に示す正面図である。It is a front view which shows typically the static balancer which concerns on one embodiment of this invention. 図１中のバランスウエイトとチャック装置を拡大して示す斜視図である。It is a perspective view which expands and shows the balance weight and chuck | zipper apparatus in FIG. 従来の静バランサーを模式的に示す正面図である。It is a front view which shows the conventional static balancer typically.

以下、本発明を実施の形態に基づき、図面を参照して説明する。   Hereinafter, the present invention will be described based on embodiments with reference to the drawings.

図１は本実施の形態に係る静バランサーを模式的に示す正面図である。   FIG. 1 is a front view schematically showing a static balancer according to the present embodiment.

図１に示すように、本実施の形態に係る静バランサー１は、従来の静バランサーと同様に、フラットな床面ＦＬ上に鉛直に設置された計測軸１ａと、軸受け２を介して計測軸１ａと連結されて水平に取り付けられたタイヤ載置台１ｂとを備えている。   As shown in FIG. 1, a static balancer 1 according to the present embodiment is similar to a conventional static balancer in that a measurement axis 1 a vertically installed on a flat floor surface FL and a measurement axis via a bearing 2 are used. The tire mounting table 1b connected to 1a and attached horizontally is provided.

計測軸１ａは、架台フレーム９内に収容されており、架台フレーム９の上面には計測装置としてのロードセル（Ｘ−Ｙ軸）６が設置されている。ロードセル６は、タイヤ載置台１ｂに生じた傾きを検出することにより、検査対象のタイヤＴの静バランスを計測する。   The measuring shaft 1a is accommodated in a gantry frame 9, and a load cell (XY axis) 6 as a measuring device is installed on the upper surface of the gantry frame 9. The load cell 6 measures the static balance of the tire T to be inspected by detecting the inclination generated in the tire mounting table 1b.

また、計測軸１ａを収容する架台フレーム９の上面には、４つの支持部材３が設けられており、それぞれの支持部材３から水平方向に延びた軸受け２が支点となって計測軸１ａとタイヤ載置台１ｂとが連結されている。   Also, four support members 3 are provided on the upper surface of the gantry frame 9 that accommodates the measurement shaft 1a, and the measurement shaft 1a and the tire are supported by bearings 2 extending horizontally from the respective support members 3. The mounting table 1b is connected.

タイヤ載置台１ｂの上方には、縦ローラー５ａとタイヤ受け金具５ｃが配置されており、タイヤ受け金具５ｃに横向きに載せられたタイヤＴの内側に縦ローラー５ａを挿入させた後、縦ローラー５ａのアダプタ５ｂを拡径させることにより、タイヤＴの載置位置を調整する。   A vertical roller 5a and a tire bracket 5c are arranged above the tire mounting table 1b. After the vertical roller 5a is inserted inside the tire T placed horizontally on the tire bracket 5c, the vertical roller 5a is inserted. The mounting position of the tire T is adjusted by expanding the diameter of the adapter 5b.

また、計測軸１ａには、バランスウエイト４が取り付けられている。バランスウエイト４は、計測軸１ａの姿勢を鉛直に保って正確な測定ができるように、計測対象であるタイヤＴの質量などに応じて、取り付け位置と重さが適宜調整されている。   A balance weight 4 is attached to the measuring shaft 1a. The mounting position and weight of the balance weight 4 are appropriately adjusted according to the mass of the tire T that is a measurement target so that accurate measurement can be performed while keeping the posture of the measurement shaft 1a vertical.

本実施の形態に係る静バランサー１は、上述した構成に加えて、計測軸１ａを把持するチャック装置７を備えている点で従来の静バランサーと異なる。   The static balancer 1 according to the present embodiment differs from the conventional static balancer in that it includes a chuck device 7 that holds the measurement shaft 1a in addition to the above-described configuration.

図２は、図１中のバランスウエイト４とチャック装置７を拡大して示す斜視図である。図２に示すように、チャック装置７は、一対のチャック７ａ、７ｂを備えており、この一対のチャック７ａ、７ｂが、バランスウエイト４の下方の計測軸１ａを挟み込むことにより、計測軸１ａがチャック装置７に把持される。   FIG. 2 is an enlarged perspective view showing the balance weight 4 and the chuck device 7 in FIG. As shown in FIG. 2, the chuck device 7 includes a pair of chucks 7 a and 7 b. When the pair of chucks 7 a and 7 b sandwich the measurement shaft 1 a below the balance weight 4, the measurement shaft 1 a It is gripped by the chuck device 7.

本実施の形態に係る静バランサー１を用いて静バランスを計測する場合、予め、チャック装置７で計測軸１ａを把持する。そして、タイヤＴ（例えば、重量５０ｋｇ程度）の内側に縦ローラー５ａを入れて、アダプタ５ｂを拡径させることによりタイヤＴを内側から広げてタイヤＴの載置位置を調整する（図１参照）。即ち、本実施の形態では、チャック装置７により計測軸１ａが把持された状態でタイヤＴが静バランサー１に装着される。   When the static balance is measured using the static balancer 1 according to the present embodiment, the measuring shaft 1a is gripped by the chuck device 7 in advance. And the vertical roller 5a is put inside the tire T (for example, about 50 kg in weight), the tire T is expanded from the inner side by expanding the diameter of the adapter 5b, and the mounting position of the tire T is adjusted (refer FIG. 1). . That is, in the present embodiment, the tire T is mounted on the static balancer 1 with the measurement shaft 1 a being gripped by the chuck device 7.

次に、チャック装置７による計測軸１ａの把持を開放した後、タイヤ載置台１ｂの傾きをロードセル６にて測定することにより、タイヤＴの静バランスを計測する。そして、計測が終了した後、チャック装置７により再び計測軸１ａを把持してからタイヤＴの取り外しを行う。   Next, after the gripping of the measuring shaft 1 a by the chuck device 7 is released, the static balance of the tire T is measured by measuring the inclination of the tire mounting table 1 b with the load cell 6. Then, after the measurement is finished, the tire T is removed after the measurement shaft 1 a is again gripped by the chuck device 7.

このように、タイヤＴの着脱時に、チャック装置７により計測軸１ａを把持することにより、タイヤＴの着脱に伴う計測軸１ａの振れの発生を抑制することができる。その結果、軸受け２に掛かる負荷を軽減して、軸受け２の破損を防止することができる。このため、長時間安定して稼働させることができる。   As described above, when the tire T is attached / detached, the chucking device 7 holds the measuring shaft 1a, thereby suppressing the occurrence of vibration of the measuring shaft 1a accompanying the attaching / detaching of the tire T. As a result, it is possible to reduce the load applied to the bearing 2 and prevent the bearing 2 from being damaged. For this reason, it can be operated stably for a long time.

なお、チャック装置７のチャック７ａ、７ｂとしては、ポリアミド樹脂製であることが好ましい。ポリアミド樹脂は、金属に比べて振動を吸収しやすく、チャックとして使用した場合、計測軸１ａに加わる振動を適切に吸収して、計測軸１ａの振れを抑制することができ好ましい。   The chucks 7a and 7b of the chuck device 7 are preferably made of polyamide resin. The polyamide resin is easier to absorb vibration than metal, and when used as a chuck, it is preferable that the polyamide resin appropriately absorbs vibration applied to the measurement shaft 1a and suppresses vibration of the measurement shaft 1a.

以上、本発明を実施の形態に基づいて説明したが、本発明は、上記の実施の形態に限定されるものではない。本発明と同一および均等の範囲内において、上記の実施の形態に対して種々の変更を加えることが可能である。   While the present invention has been described based on the embodiments, the present invention is not limited to the above-described embodiments. Various modifications can be made to the above-described embodiment within the same and equivalent scope as the present invention.

１ 静バランサー
１ａ 計測軸
１ｂ タイヤ載置台
２ 軸受け
３ 支持部材
４ バランスウエイト
５ａ 縦ローラー
５ｂ アダプタ
５ｃ タイヤ受け金具
６ ロードセル
７ チャック装置
７ａ、７ｂ チャック
９ 架台フレーム
ＦＬ 床面
Ｔ タイヤ DESCRIPTION OF SYMBOLS 1 Static balancer 1a Measurement axis | shaft 1b Tire mounting stand 2 Bearing 3 Support member 4 Balance weight 5a Vertical roller 5b Adapter 5c Tire receiving bracket 6 Load cell 7 Chuck apparatus 7a, 7b Chuck 9 Mounting frame FL Floor surface T Tire

Claims (3)

タイヤの静バランスを計測する静バランサーであって、
鉛直に設置された計測軸と、
前記計測軸の上端に軸受けを介して取り付けられて、検査対象のタイヤを載置するタイヤ載置台と、
前記タイヤ載置台の傾きの方向と傾き量を計測して、前記検査対象のタイヤの静バランスを計測する計測装置と、
前記計測軸に取り付けられて、前記計測軸の姿勢を鉛直に保つバランスウエイトと
を備え、
前記バランスウエイトの下方の前記計測軸を把持するチャック装置が設けられている
ことを特徴とする静バランサー。 A static balancer that measures the static balance of a tire,
A measuring axis installed vertically;
A tire mounting table which is attached to the upper end of the measurement shaft via a bearing and mounts a tire to be inspected;
A measuring device that measures the direction and amount of inclination of the tire mounting table, and measures the static balance of the tire to be inspected;
A balance weight attached to the measurement axis and keeping the posture of the measurement axis vertical;
A static balancer, wherein a chuck device is provided for gripping the measurement shaft below the balance weight. 前記チャック装置が、ポリアミド樹脂製であることを特徴とする請求項１に記載の静バランサー。   The static balancer according to claim 1, wherein the chuck device is made of a polyamide resin. 請求項１または請求項２に記載の静バランサーを用いて、タイヤの静バランスを計測する静バランスの計測方法であって、
前記チャック装置が、前記静バランスの計測時以外には前記計測軸を把持し、計測時には前記計測軸を開放することを特徴とする静バランスの計測方法。 A static balance measuring method for measuring a static balance of a tire using the static balancer according to claim 1 or 2,
A method of measuring a static balance, wherein the chuck device grips the measurement axis except during the measurement of the static balance and opens the measurement axis during the measurement.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210381444A1 (en) * 2018-07-23 2021-12-09 Hitachi Automotive Systems, Ltd. Electronically controlled throttle device

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JP2007033038A (en) * 2005-07-22 2007-02-08 Yokohama Rubber Co Ltd:The Tire balance measuring instrument and measuring method
JP2009008506A (en) * 2007-06-27 2009-01-15 Sumitomo Rubber Ind Ltd Method for estimating high-speed uniformity of tire
JP2009204500A (en) * 2008-02-28 2009-09-10 Ihi Corp Balance correction device

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JPS4826557A (en) * 1971-07-10 1973-04-07 Eberhardt Geb
JPS5028889A (en) * 1973-07-16 1975-03-24
JPS57203346U (en) * 1982-05-13 1982-12-24
US4891981A (en) * 1987-05-09 1990-01-09 Carl Schenck Ag Method for determining the position and magnitude of unbalance correction
JPH0840026A (en) * 1994-01-01 1996-02-13 Sumitomo Rubber Ind Ltd Pneumatic tire and its manufacture
JP2006308320A (en) * 2005-04-26 2006-11-09 Sumitomo Rubber Ind Ltd Tire compound measuring device
JP2007033038A (en) * 2005-07-22 2007-02-08 Yokohama Rubber Co Ltd:The Tire balance measuring instrument and measuring method
JP2009008506A (en) * 2007-06-27 2009-01-15 Sumitomo Rubber Ind Ltd Method for estimating high-speed uniformity of tire
JP2009204500A (en) * 2008-02-28 2009-09-10 Ihi Corp Balance correction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210381444A1 (en) * 2018-07-23 2021-12-09 Hitachi Automotive Systems, Ltd. Electronically controlled throttle device

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