JP2880607B2 - Wheel alignment measurement device - Google Patents
Wheel alignment measurement deviceInfo
- Publication number
- JP2880607B2 JP2880607B2 JP4119784A JP11978492A JP2880607B2 JP 2880607 B2 JP2880607 B2 JP 2880607B2 JP 4119784 A JP4119784 A JP 4119784A JP 11978492 A JP11978492 A JP 11978492A JP 2880607 B2 JP2880607 B2 JP 2880607B2
- Authority
- JP
- Japan
- Prior art keywords
- angle
- wheel
- turntable
- support plate
- rotation
- 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.)
- Expired - Lifetime
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は自動車の車輪のトー角、
キャンバー角、キャスター角、キングピン角の測定に好
適なホイールアライメント測定装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toe angle of a vehicle wheel,
The present invention relates to a wheel alignment measuring device suitable for measuring a camber angle, a caster angle, and a kingpin angle.
【０００２】[0002]
【従来の技術】従来この種の装置として、車両に装着さ
れている車輪を載置可能な平坦な載置面を具備する支持
手段と、前記載置手段上に載置された車輪の両側をクラ
ンプした状態で予め定められた基準線に対する前記車輪
の相対的な角度を検知する角度検知手段とを有し、該角
度検知手段は前記車輪のトー角度及びキャンバー角度を
検出するようにしたものが知られている（特公平４−１
００２０号公報）。2. Description of the Related Art Conventionally, as an apparatus of this type, a supporting means having a flat mounting surface on which a wheel mounted on a vehicle can be mounted, and both sides of the wheel mounted on the mounting means described above are provided. Angle detecting means for detecting a relative angle of the wheel with respect to a predetermined reference line in a clamped state, wherein the angle detecting means detects a toe angle and a camber angle of the wheel. Known (Tokuhei 4-1
0020).
【０００３】[0003]
【発明が解決しようとする課題】この従来の装置によれ
ば、自動車の車輪のトー角及びキャンバー角の測定のみ
が可能で、残る車輪のキャスター角及びキングピン角の
測定が困難である問題点がある。According to this conventional apparatus, only the toe angle and the camber angle of the wheels of an automobile can be measured, and the caster angle and the kingpin angle of the remaining wheels are difficult to measure. is there.
【０００４】本発明はこの問題点を解消し、自動車の車
輪のトー角及びキャンバー角と共にキャスター角及びキ
ングピン角をも測定可能にしたホイールアライメント測
定装置を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a wheel alignment measuring apparatus which solves this problem and is capable of measuring a caster angle and a kingpin angle as well as a toe angle and a camber angle of a vehicle wheel.
【０００５】[0005]
【課題を解決するための手段】この目的を達成すべく本
発明は、自動車の車輪を載置して該車輪と共に回転可能
なターンテーブルと、該ターンテーブルの回転角を検出
する第１角度センサーと、該ターンテーブルの側方に立
設した支柱の上方部に突設し先端に車輪の外側面に接触
して傾動する検出板を有する進退可能な支持ロッドと、
該検出板に設けられ該検出板の左右及び内外の傾動角を
検出する第２、第３角度センサーと、前記支持ロッドに
根部で回動自在に設けられ、先端に前記車輪の周辺部に
接触可能な接触子を有するアームと、該車輪の回動に伴
って接触子を介して回動する該アームの回動角を検出す
る第４角度センサーと、これら第１、第２、第３、第４
角度センサーの検出角度を入力して前記車輪のトー角、
キャンバー角、キャスター角及びキングピン角を算出す
る演算制御装置とからなり、前記床面に形成した凹部内
の下面に第１支持板を前後方向に移動自在に設けると共
に該第１支持板上に第２支持板を左右方向に移動自在に
設けて該第２支持板上に前記ターンテーブルを回動自在
に設け、これら第１支持板、第２支持板及びターンテー
ブルは、磨擦体及び第２、第３固定子によりそれぞれ移
動或いは回動の制御可能に形成されていることを特徴と
する。SUMMARY OF THE INVENTION In order to achieve this object, the present invention provides a turntable on which a wheel of an automobile is mounted and which can rotate together with the wheel, and a first angle sensor for detecting a rotation angle of the turntable. A retractable support rod having a detection plate that protrudes from an upper portion of a column erected on the side of the turntable and that tilts in contact with an outer surface of a wheel at a tip thereof;
Second and third angle sensors provided on the detection plate for detecting left, right, inner and outer tilt angles of the detection plate, and rotatably provided at the root of the support rod, and having a tip contacting a peripheral portion of the wheel. An arm having a possible contact, a fourth angle sensor for detecting a rotation angle of the arm that rotates through the contact with the rotation of the wheel, and a first, a second, a third, and a third sensor. 4th
Input the detection angle of the angle sensor, the toe angle of the wheel,
Camber angle, caster angle and kingpin angles Ri Do from the arithmetic control unit for calculating a, within a recess formed in the floor surface
When the first support plate is provided on the lower surface of the
A second support plate is movable on the first support plate in the left-right direction.
Provided and the turntable is rotatable on the second support plate
The first support plate, the second support plate, and the turn
The bull is transferred by the abrasion body and the second and third stators, respectively.
Characterized that you have been controllably forming dynamic or rotating.
【０００６】[0006]
【作用】ターンテーブルを固定状態にし、被測定の自動
車の車輪を該ターンテーブル上に載置してから支持ロッ
ドを進出して検出板を前記車輪の外側面に接触させる。
このときに該検出板が傾き、この傾きの角度を第２角度
センサー及び第３角度センサーにより検出し、演算制御
装置はこれら角度の検出信号を入力して車輪のトー角度
及びキャンバー角度を算出する。With the turntable fixed, the wheel of the vehicle to be measured is placed on the turntable, and then the support rod is advanced to bring the detection plate into contact with the outer surface of the wheel.
At this time, the detection plate is tilted, and the angle of the tilt is detected by the second angle sensor and the third angle sensor, and the arithmetic and control unit inputs the detection signals of these angles to calculate the toe angle and the camber angle of the wheel. .
【０００７】次に、前記ターンテーブルを回転自在の状
態にして前記車輪を左或いは右へ操向させる。このとき
のターンテーブルの回転角を第１角度センサーにより検
出すると共に車輪の傾きに伴う前記検出板の傾きを第３
角度センサーにより検出し、前記演算制御装置はこれら
角度の検出信号を入力し所定の演算を実行して前記車輪
のキャスター角を算出する。Next, the wheel is steered left or right with the turntable rotatable. The rotation angle of the turntable at this time is detected by the first angle sensor, and the inclination of the detection plate accompanying the inclination of the wheel is determined by a third angle sensor.
The angle is detected by an angle sensor, and the arithmetic and control unit receives the detection signals of these angles and executes a predetermined calculation to calculate the caster angle of the wheel.
【０００８】次に、接触子を前記車輪の外周部に接触さ
せた状態にして該車輪を左或いは右へ操向させる。この
ときのターンテーブルの回転角を第１角度センサーによ
り検出すると共に前述の操向に伴う前記車輪の回動によ
るアームの回動角を第４角度センサーにより検出し、前
記演算制御装置は、これらの角度の検出信号を入力し所
定の演算を実行して前記車輪のキングピン角を算出す
る。Next, the wheel is steered left or right with the contact being in contact with the outer peripheral portion of the wheel. At this time, the rotation angle of the turntable is detected by the first angle sensor, and the rotation angle of the arm due to the rotation of the wheel accompanying the steering described above is detected by the fourth angle sensor. And a predetermined calculation is executed to calculate the kingpin angle of the wheel.
【０００９】[0009]
【実施例】本発明の１実施例を図面に従って説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
【００１０】１…１は床面に設けられ自動車の４輪をそ
れぞれ載置するターンテーブルを示し、これら各ターン
テーブル１は次のように構成されている。Reference numerals 1... 1 denote turntables provided on the floor surface for mounting four wheels of an automobile, respectively. Each of these turntables 1 is constructed as follows.
【００１１】即ち、図２及び図３の如く床面に形成され
た凹部２の下面に設置したベース２ａの上面に前後方向
に延びる１対のレール３、３を敷設してこれらレール
３、３上にこれに沿って前後方向に移動可能な第１支持
板４を設け、更に該第１支持板４の上面に左右方向に延
びる１対のレール５、５を敷設してこれらレール５、５
上にこれに沿って左右方向に移動可能な第２支持板６を
設け、該第２支持板６に前記ターンテーブル１を回転自
在に軸支しており、該ターンテーブル１は方形枠体１ａ
とその側辺から側方へ突出した支持板部１ｂと該枠体１
ａ内の前後に軸支したローラ１ｃ、１ｃとこれらローラ
１ｃ、１ｃ間にエアーシリンダーからなる第１昇降手段
１ｅにより昇降制御可能に設けた摩擦板１ｄとからな
り、前記ターンテーブル１の回転角を、前記第２支持板
６上に設けた、例えばポテンショメータからなる第１角
度センサー７ａにより検出するようにした。そして前記
凹部２の左右の内側面に、前記第１支持板４の前後の移
動を規制制御可能な先端に突起を有する第１固定子８、
８が例えばエアーシリンダーからなる第１進退制御手段
９を介して設けられていると共に、前記第１支持板４の
左右側面にこれら第１固定子８、８が係合可能な第１係
合凹部４ａ、４ａが形成され、又該第１支持板４上の前
後端部に、前記第２支持板６の左右の移動を規制制御可
能な先端に突起を有する第２固定子１０、１０が例えば
エアーシリンダーからなる第２進退制御手段１１を介し
て設けられていると共に、該第２支持板６の前後側面に
これら第２固定子１０、１０が係合可能な第２係合凹部
６ａ、６ａが形成され、更に前記第２支持板６の上面上
の前後端部に前記ターンテーブル１の回転を規制制御可
能な先端に突起を有する第３固定子１２、１２が例えば
エアーシリンダーからなる第３進退制御手段１３を介し
て設けられていると共に、該ターンテーブル１の前後側
面にこれら第３固定子１２、１２が係合可能な第３係合
凹部１ｆ、１ｆが形成されている。That is, as shown in FIGS. 2 and 3, a pair of rails 3, 3 extending in the front-rear direction is laid on the upper surface of a base 2a installed on the lower surface of a concave portion 2 formed on the floor surface. A first support plate 4 movable in the front-rear direction is provided on the first support plate 4, and a pair of rails 5, 5 extending in the left-right direction is laid on the upper surface of the first support plate 4.
A second support plate 6 that is movable in the left-right direction is provided on the upper surface, and the turntable 1 is rotatably supported on the second support plate 6, and the turntable 1 is a rectangular frame 1a.
And a supporting plate portion 1b protruding laterally from the side thereof and the frame 1
a and a friction plate 1d provided between the rollers 1c and 1c so as to be vertically movable by first lifting / lowering means 1e composed of an air cylinder. Is detected by a first angle sensor 7a provided on the second support plate 6 and formed of, for example, a potentiometer. A first stator 8 having protrusions on the left and right inner side surfaces of the recess 2, the protrusions being capable of restricting and controlling the forward and backward movement of the first support plate 4;
8 is provided via first advance / retreat control means 9 composed of, for example, an air cylinder, and a first engagement recess in which the first stators 8 and 8 can be engaged on left and right side surfaces of the first support plate 4. 4a, 4a are formed, and second stators 10, 10 having protrusions at front and rear ends on the first support plate 4 which can regulate and control the left and right movement of the second support plate 6 are provided, for example. The second engaging recesses 6a, 6a are provided via a second advance / retreat control means 11 composed of an air cylinder, and are engageable with the second stators 10, 10 on front and rear side surfaces of the second support plate 6. Are formed, and the third stators 12, 12 each having a protrusion at the front and rear ends on the upper surface of the second support plate 6 for controlling the rotation of the turntable 1 at the front end, are formed of, for example, an air cylinder. Provided via the forward / backward control means 13 Both third engaging recess 1f around the side surface of the turntable 1 these third stator 12, 12 engageable, 1f are formed.
【００１２】又、前記ベース２ａの上面に、前記第１支
持板１の前後の移動を規制すべく該第１支持板１の下面
に接触可能な摩擦体３５を昇降制御可能なエアーシリン
ダーからなる第２昇降手段３５ａを設けた。Further, an air cylinder is provided on the upper surface of the base 2a, the friction member 35 capable of contacting the lower surface of the first support plate 1 to control the vertical movement of the first support plate 1 so as to be movable up and down. A second elevating means 35a was provided.
【００１３】前記ターンテーブル１の支持板部１ｂの上
面に支柱１４を立設し、図４の如く該支柱１４の上方部
に例えばエアーシリンダーその他からなる第４進退制御
手段１５を横設し、該第４進退制御手段１５から進退す
る支持ロッド１６の先端部に検出板１７をユニバーサル
ジョイント１８により左右及び内外に傾動自在に設け、
該検出板１７は方形状でその４隅部から外方へ突片を突
出し、これら突片にそれぞれ接触ローラ１９を回動自在
に設けた。そして該検出板１７の上端部に半円弧状ギア
からなる第１作動片２０を突設して該第１作動片２０
に、ユニバーサルジョイント１８の水平軸に設けた例え
ばポテンショメータからなる第２角度センサー７ｂの回
転軸に固定のギア２１を噛合させ、該第２角度センサー
７ｂにより前記検出板１７の左右方向即ち図４のＡ矢印
方向の傾動角を検出するようにした。A support 14 is erected on the upper surface of the support plate 1b of the turntable 1, and a fourth advance / retreat control means 15 made of, for example, an air cylinder or the like is horizontally provided above the support 14 as shown in FIG. A detection plate 17 is provided at the tip end of a support rod 16 which advances and retreats from the fourth advance / retreat control means 15 by a universal joint 18 so as to be tiltable left and right and in and out.
The detection plate 17 has a square shape and protrudes outward from four corners thereof, and a contact roller 19 is rotatably provided on each of these protruding pieces. A first operating piece 20 made of a semi-circular gear is protruded from the upper end of the detection plate 17 so that the first operating piece 20
4, a fixed gear 21 is meshed with the rotating shaft of a second angle sensor 7b, which is, for example, a potentiometer, provided on the horizontal axis of the universal joint 18, and the left and right directions of the detection plate 17 by the second angle sensor 7b, ie, FIG. The tilt angle in the direction of arrow A is detected.
【００１４】又、前記ユニバーサルジョイント１８の水
平軸に、先端に湾曲状ギアを有する第２作動片２２を突
設し、該第２作動片２２に、前記支持ロッド１６にＬ字
形の支持片２３を介して固定した例えばポテンショメー
タからなる第３角度センサー７ｃの回転軸に固定のギア
２４を噛合させ、該第３角度センサー７ｃにより前記検
出板１７の内外方向即ち図４のＢ矢印方向の傾動角を検
出するようにした。A second operating piece 22 having a curved gear at the tip is projected from the horizontal axis of the universal joint 18, and an L-shaped supporting piece 23 is attached to the supporting rod 16 on the second operating piece 22. A fixed gear 24 is meshed with the rotating shaft of a third angle sensor 7c, which is, for example, a potentiometer fixed through the sensor, and the tilt angle of the detection plate 17 in and out of the detection plate 17, that is, the direction of the arrow B in FIG. Was detected.
【００１５】２５は前記支持ロッド１６に回動及び摺動
自在に嵌挿した筒体を示し、該筒体２５に略Ｌ字形のア
ーム２６を突設してその先端に車輪のタイヤに例えば吸
着する接触子２７を固定し、例えばエアーシリンダーか
らなる第５進退制御手段２８をその根部において前記支
柱１４に枢着すると共に、該第５進退制御手段２８の進
退ロッド２８ａの先端を前記アーム２６に固定し、更に
前記筒体２５に湾曲状ギアからなる第３作動片２９を突
設して該第３作動片２９に前記支持ロッド１６に支持片
２３を介して固定した例えばポテンショメータからなる
第４角度センサー７ｄの回転軸に固定のギア３０を噛合
させ、該第４角度センサー７ｄにより前記接触子２７の
回動角を検出するようにした。Reference numeral 25 denotes a cylindrical body which is rotatably and slidably fitted to the support rod 16, and a substantially L-shaped arm 26 is protruded from the cylindrical body 25, and a tip of the arm 26 is attached to a wheel tire, for example, by suction. And a fifth advance / retreat control means 28 formed of, for example, an air cylinder, is pivotally connected to the column 14 at the root thereof, and the tip of the advance / retreat rod 28a of the fifth advance / retreat control means 28 is attached to the arm 26. A third operating piece 29 made of a curved gear is projected from the cylindrical body 25, and the third operating piece 29 is fixed to the support rod 16 via the supporting piece 23. A fixed gear 30 is meshed with the rotation shaft of the angle sensor 7d, and the rotation angle of the contact 27 is detected by the fourth angle sensor 7d.
【００１６】３１は例えばマイクロコンピュータその他
からなる演算制御装置を示し、該演算制御装置３１は、
後述の如き演算制御機能を有し、図５の如くインターフ
ェース３２を介して各ターンテーブル１の個所における
前記第１〜第４角度センサー７ａ、７ｂ、７ｃ、７ｄに
接続されていると共に、該インターフェース３２及び各
駆動装置３６を介して、前記第１〜第５進退制御手段
９、１１、１３、１５、２８及び第１、第２昇降手段１
ｅ、３５ａに接続した。Reference numeral 31 denotes an arithmetic and control unit composed of, for example, a microcomputer and the like.
It has an arithmetic control function as described later, and is connected to the first to fourth angle sensors 7a, 7b, 7c, 7d at the locations of each turntable 1 via an interface 32 as shown in FIG. The first to fifth advance / retreat control means 9, 11, 13, 15, 28 and the first and second elevating means 1
e, 35a.
【００１７】尚、図５において３３は操作装置、３４は
表示装置を示す。In FIG. 5, reference numeral 33 denotes an operation device, and reference numeral 34 denotes a display device.
【００１８】次に前記実施例装置による測定について説
明する。Next, the measurement by the apparatus of the embodiment will be described.
【００１９】先ず、操作装置３３の操作による演算制御
装置３１からの指令により第１進退制御手段９、第２進
退制御手段１１及び第３進退制御手段１３を作動して第
１、第２、第３固定子８、１０及び１２が進出して第
１、第２支持板４、６及びターンテーブル１の係合凹部
４ａ、６ａ、１ｆにそれぞれ係合し、第１支持板４の前
後方向の移動及び第２支持板６の左右方向の移動、更に
ターンテーブル１の回転も規制され、該ターンテーブル
１が固定状態になる。First, the first advance / retreat control means 9, the second advance / retreat control means 11 and the third advance / retreat control means 13 are operated in accordance with a command from the arithmetic and control unit 31 by the operation of the operation device 33 to operate the first, second and third travel means. The three stators 8, 10 and 12 advance and engage with the first and second support plates 4 and 6 and the engagement recesses 4 a, 6 a and 1 f of the turntable 1, respectively. The movement and the left and right movement of the second support plate 6 and the rotation of the turntable 1 are also restricted, and the turntable 1 is fixed.
【００２０】その後、被測定自動車Ｃを測定場に進入さ
せてから、操作装置３３の操作による演算制御装置３１
からの指令により第１進退制御装置９が作動して第１固
定子８を後退させて係合凹部４ａとの係合を解除し、第
１支持板４の前後移動を可能にし、自動車Ｃの各車輪Ｄ
を各ターンテーブル１のローラ１ｃ、１ｃ上に載置させ
る。そして操作装置３３の操作による演算制御装置３１
からの指令により第２昇降手段３５ａを作動させて摩擦
体３５を上昇させ、第１支持板４の前後方向の移動を規
制し、更に第４進退制御手段１５を作動して支持ロッド
１６を進出し、各検出板１７のローラ１９…１９を各車
輪Ｄの外側面に接触させる。After that, the vehicle C to be measured is caused to enter the measuring field, and then the arithmetic and control unit 31 is operated by operating the operation unit 33.
The first advance / retreat control device 9 is actuated in response to a command from the vehicle to retract the first stator 8 to release the engagement with the engagement recess 4a, thereby enabling the first support plate 4 to move back and forth, Each wheel D
Is placed on the rollers 1c, 1c of each turntable 1. And the arithmetic and control unit 31 operated by the operation unit 33
Activates the second lifting / lowering means 35a in response to a command from the controller to raise the friction body 35, restricts the movement of the first support plate 4 in the front-rear direction, and further operates the fourth advance / retreat control means 15 to advance the support rod 16. Then, the rollers 19... 19 of each detection plate 17 are brought into contact with the outer surface of each wheel D.
【００２１】その後、各ローラ１ｃを回転駆動させ各車
輪Ｄを回転し、自動車Ｃを走行状態にし、この自動車の
走行状態において、図６の如く第２角度センサー７ｃに
より各車輪Ｄのトー角を、又図７の如く第３角度センサ
ー７ｃにより各車輪Ｄのキャンバー角をそれぞれ検出
し、演算制御装置３１を介してこれらトー角及びキャン
バー角を表示装置３４に表示する。Thereafter, each roller 1c is rotated to rotate each wheel D, and the vehicle C is brought into a running state. In this running state of the car, the toe angle of each wheel D is determined by the second angle sensor 7c as shown in FIG. 7, the camber angles of the respective wheels D are detected by the third angle sensor 7c, and these toe angles and camber angles are displayed on the display device 34 via the arithmetic and control unit 31.
【００２２】次に、自動車Ｃの走行を停止してから操作
装置３３の操作による演算制御装置３１の指令により第
２昇降手段３５ａ及び第２、第３進退制御手段１１、１
３を作動させ摩擦体３５を降下させて第１支持板１の規
制を解除し前後方向に移動自在にし、又第２、第３固定
子１０、１２を後退させ第２支持板６の規制を解除して
左右方向に移動自在にすると共にターンテーブル１の規
制も解除して回転自在にし、該ターンテーブル１の前後
左右方向の移動及び回転も自由にする。Next, after stopping the running of the automobile C, the second elevating means 35a and the second and third advancing / retreating control means 11, 1
3 to lower the friction body 35 to release the regulation of the first support plate 1 so as to be movable in the front-rear direction, and to retract the second and third stators 10 and 12 to regulate the second support plate 6. The turntable 1 is released to be movable in the left-right direction, and at the same time, the regulation of the turntable 1 is also released so that the turntable 1 can be freely rotated.
【００２３】又、演算制御手段３１の指令により第１昇
降手段１ｅを作動させて摩擦板１ｄを上昇して各車輪Ｄ
は該摩擦板１ｄに摩擦接触状態になる。In addition, the first lifting / lowering means 1e is operated by a command from the arithmetic control means 31 to raise the friction plate 1d, and each wheel D
Is in frictional contact with the friction plate 1d.
【００２４】その後、自動車のハンドルを左側又は右側
に任意の角度回転させて車輪Ｄを左又は右へ回転させる
と、これに応じて図８の如くターンテーブル１を左又は
右に回転させる。このときの各ターンテーブル１の回転
角Ｔ1 を第１角度センサー７ａにより検出すると共に、
この状態での車輪のキャンバー角度α1 を第３角度セン
サー７ｃにより検出する。Thereafter, when the wheel of the automobile is rotated left or right by an arbitrary angle to rotate the wheels D left or right, the turntable 1 is rotated left or right as shown in FIG. At this time, the rotation angle T 1 of each turntable 1 is detected by the first angle sensor 7a,
The camber angle alpha 1 of the wheel in this state is detected by the third angle sensor 7c.
【００２５】次に、ハンドルをもどしてから右側又は左
側に任意の角度回転させて車輪Ｄと共に、ターンテーブ
ル１を右又は左に回転させ、このときの各テーブルの回
転角Ｔ2 を第１角度センサー７ａにより検出させると共
に、この状態での車輪のキャンバー角α2 を第３角度セ
ンサー７ｃにより検出する。ここでキャスター角θcはNext, after returning the steering wheel, the turntable 1 is rotated right or left by an arbitrary angle to the right or left, and the turntable 1 is rotated right or left together with the wheel D, and the rotation angle T 2 of each table at this time is set to the first angle. together is detected by the sensor 7a, detects the camber angle alpha 2 of the wheel in this state by the third angle sensor 7c. Where the caster angle θ c is
【数１】 …（１） であるので、演算制御装置３１は前記第１、第３角度セ
ンサー７ａ、７ｂより、回転角Ｔ1 、Ｔ2 及びキャンバ
ー角α1 、α2 を入力し式（１）の演算を実行して各車
輪のキャスター角θc を算出し、その算出結果を表示装
置３４に表示する。(Equation 1) .. (1), the arithmetic and control unit 31 inputs the rotation angles T 1 and T 2 and the camber angles α 1 and α 2 from the first and third angle sensors 7a and 7b, and calculates the equation (1). the run to calculate the caster angle theta c of each wheel, and displays the calculation result on the display device 34.
【００２６】その後ハンドルを戻してから、演算制御装
置３１の指令により第５進退制御手段２８を作動してア
ーム２６を支持ロッド１６に沿って前進させ、接触子２
７を車輪Ｄのタイヤに接触させる。そして前述と同様に
自動車のハンドルを左又は右へ任意の角度回転させると
車輪Ｄが回転しながら左又は右へ旋回すると共にターン
テーブル１を左又は右へ回転させ、該車輪Ｄの回転と共
に該車輪Ｄのタイヤに接触した接触子２７が回転してア
ーム２６を回動する。そしてターンテーブル１の回転角
Ｔ3 を第１角度センサー７ａにより又車輪Ｄの回転角β
1 を第４角度センサー７ｄにより検出する。After the handle is returned, the fifth advance / retreat control means 28 is operated by a command from the arithmetic and control unit 31 to move the arm 26 forward along the support rod 16, and the contact 2
7 is brought into contact with the tire of wheel D. As described above, when the steering wheel of the automobile is rotated left or right by an arbitrary angle, the wheel D turns left or right while rotating, and the turntable 1 is rotated left or right. The contact 27 in contact with the tire of the wheel D rotates to rotate the arm 26. Then, the rotation angle T 3 of the turntable 1 is determined by the first angle sensor 7a and the rotation angle β of the wheel D is determined.
1 is detected by the fourth angle sensor 7d.
【００２７】次にハンドルを元に戻してから右又は左へ
任意の角度回転させ、これに応じて右又は左へ回転した
ターンテーブル１の回転角Ｔ ４ と、車輪Ｄの回転に伴う
アーム２６の回転各β２とを第１、第４角度センサー７
ａ、７ｄにより検出する。[0027] Then the handle is returned to the original by any angular rotation to the right or left, and the rotation angle T 4 of the turntable 1 is rotated to the right or left according to this, the arm 26 caused by the rotation of the wheel D a rotary each beta 2 of the first, fourth angle sensor 7
a, 7d.
【００２８】ここでキングピン角θk はWhere the kingpin angle θ k is
【数２】 …（２） であるので、演算制御装置３１は、第１角度センサー７
ａよりターンテーブル１の回転角Ｔ3 、Ｔ4 及び第４角
度センサー７ｄにより車輪Ｄの回転角β1 、β2を入力
し、式（２）の演算を実行して左右の前輪のキングピン
角θk を算出し、その算出結果を表示装置３４に表示す
る。このようにして車輪Ｄのトー角、キャンバー角、キ
ャスター角及びキングピン角の全てが測定できる。(Equation 2) (2) Therefore, the arithmetic and control unit 31 sets the first angle sensor 7
The rotation angles T 3 , T 4 of the turntable 1 and the rotation angles β 1 , β 2 of the wheel D are input by the fourth angle sensor 7d from a, and the equation (2) is executed to execute the kingpin angles of the left and right front wheels. θ k is calculated, and the calculation result is displayed on the display device 34. In this manner, all of the toe angle, camber angle, caster angle, and kingpin angle of the wheel D can be measured.
【００２９】図１０は本発明の他の実施例を示し、この
実施例においては、検出板１７ａを略三角形状に形成し
てその隅部に接触ローラ１９ａをそれぞれ突設すると共
に、上方に位置する接触ローラ１９ａをまたぐように二
股状に形成した支持アーム２６ａの先端に接触子２７
ａ、２７ａを固定したもので、その測定作業は、前記実
施例と同様である。FIG. 10 shows another embodiment of the present invention. In this embodiment, the detection plate 17a is formed in a substantially triangular shape, and the contact rollers 19a are respectively protruded from the corners of the detection plate 17a. A contact 27 is attached to the tip of a bifurcated support arm 26a that straddles the contact roller 19a
a and 27a are fixed, and the measuring operation is the same as that of the above embodiment.
【００３０】[0030]
【発明の効果】このように本発明によると自動車の車輪
のトー角及びキャンバー角と共にキャスター角及びキン
グピン角の測定も可能になり、これらの測定が簡単な操
作でできる効果を有する。As described above, according to the present invention, it is possible to measure the caster angle and the kingpin angle as well as the toe angle and the camber angle of the vehicle wheel, and these measurements can be performed by a simple operation.
【図１】本発明の１実施例の概略平面図である。FIG. 1 is a schematic plan view of one embodiment of the present invention.
【図２】ターンテーブルの平面図である。FIG. 2 is a plan view of a turntable.
【図３】図２のIII − III線截断面図である。FIG. 3 is a sectional view taken along line III-III of FIG. 2;
【図４】要部の拡大斜視図である。FIG. 4 is an enlarged perspective view of a main part.
【図５】制御系のブロック線図である。FIG. 5 is a block diagram of a control system.
【図６】車輪のトー角の測定状態を示す平面図である。FIG. 6 is a plan view showing a measurement state of a toe angle of a wheel.
【図７】車輪のキャンバー角の測定状態を示す正面図で
ある。FIG. 7 is a front view showing a measurement state of a camber angle of a wheel.
【図８】車輪のキャスター角の測定状態を示す概略平面
図である。FIG. 8 is a schematic plan view showing a measurement state of a caster angle of a wheel.
【図９】車輪のキングピン角の測定状態を示す概略平面
図である。FIG. 9 is a schematic plan view showing a measurement state of a kingpin angle of a wheel.
【図１０】本発明の他の実施例の検出板の個所の斜視図
である。FIG. 10 is a perspective view of a portion of a detection plate according to another embodiment of the present invention.
１ ターンテーブル 1c ローラ 1d 摩擦板 ２ 凹部 ４ 第１支持板 ６ 第２支持板 7a 第１角度センサー 7b 第２角度センサー 7c 第３角度センサー 7d 第４角度センサー 10 第２固定子 12 第３固定子 14 支柱 16 支持ロッド 17、17a 検出板 26、26a アーム 27、27a 接触子 31 演算制御装置 35 摩擦体 Reference Signs List 1 turntable 1c roller 1d friction plate 2 concave portion 4 first support plate 6 second support plate 7a first angle sensor 7b second angle sensor 7c third angle sensor 7d fourth angle sensor 10 second stator 12 third stator 14 Post 16 Support rod 17, 17a Detection plate 26, 26a Arm 27, 27a Contact 31 Arithmetic control unit 35 Friction element
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G01M 17/00 - 17/007 G01B 5/255 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) G01M 17/00-17/007 G01B 5/255
Claims (2)
転可能なターンテーブルと、該ターンテーブルの回転角
を検出する第１角度センサーと、該ターンテーブルの側
方に立設した支柱の上方部に突設し先端に車輪の外側面
に接触して傾動する検出板を有する進退可能な支持ロッ
ドと、該検出板に設けられ該検出板の左右及び内外の傾
動角を検出する第２、第３角度センサーと、前記支持ロ
ッドに根部で回動自在に設けられ、先端に前記車輪の周
辺部に接触可能な接触子を有するアームと、該車輪の回
動に伴って接触子を介して回動する該アームの回動角を
検出する第４角度センサーと、これら第１、第２、第
３、第４角度センサーの検出角度を入力して前記車輪の
トー角、キャンバー角、キャスター角及びキングピン角
を算出する演算制御装置とからなり、床面に形成した凹
部内の下面に第１支持板を前後方向に移動自在に設ける
と共に該第１支持板上に第２支持板を左右方向に移動自
在に設けて該第２支持板上に前記ターンテーブルを回動
自在に設け、これら第１支持板、第２支持板及びターン
テーブルは、摩擦体及び第２、第３固定子によりそれぞ
れ移動或いは回動の制御可能に形成されていることを特
徴とするホイールアライメント測定装置。1. A turntable on which a wheel of an automobile is mounted and rotatable together with the wheel, a first angle sensor for detecting a rotation angle of the turntable, and a column standing upright on a side of the turntable. A retractable support rod having a detection plate projecting from an upper portion and tilting in contact with the outer surface of the wheel at a tip thereof, and a second detection rod provided on the detection plate for detecting the left, right, inner and outer tilt angles of the detection plate. A third angle sensor, an arm having a contact rotatably provided at a root portion of the support rod at a root thereof and capable of contacting a peripheral portion of the wheel at an end thereof, and an arm having a contact with a rotation of the wheel. A fourth angle sensor for detecting the angle of rotation of the arm that rotates, and the toe angle, camber angle, and caster angle of the wheel by inputting the detection angles of the first, second, third, and fourth angle sensors. Arithmetic control unit that calculates the angle and kingpin angle Recess formed on the floor
A first support plate is provided on the lower surface inside the part so as to be movable in the front-rear direction.
At the same time, the second support plate is moved on the first support plate in the left-right direction.
And turn the turntable on the second support plate.
The first support plate, the second support plate and the turn
Table, grinding Kosukarada and second, whereby the third stator
Wheel alignment measuring apparatus characterized that you have been controllably formed of movement or rotation is.
これらローラの間に介在し昇降制御可能な摩擦板を具備
していることを特徴とする請求項１に記載のホイールア
ライメント測定装置。2. The turntable includes front and rear rollers.
The wheel alignment measuring device according to claim 1, further comprising a friction plate interposed between the rollers and capable of raising and lowering .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4119784A JP2880607B2 (en) | 1992-04-13 | 1992-04-13 | Wheel alignment measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4119784A JP2880607B2 (en) | 1992-04-13 | 1992-04-13 | Wheel alignment measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06129950A JPH06129950A (en) | 1994-05-13 |
| JP2880607B2 true JP2880607B2 (en) | 1999-04-12 |
Family
ID=14770140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4119784A Expired - Lifetime JP2880607B2 (en) | 1992-04-13 | 1992-04-13 | Wheel alignment measurement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2880607B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3424986B2 (en) * | 1994-07-29 | 2003-07-07 | 安全自動車株式会社 | Wheel alignment inspection device |
| CA2239667C (en) * | 1997-06-06 | 2005-06-21 | Takao Shibayama | Apparatus for measuring alignment of suspension and method of inspecting suspension by using said apparatus |
| DE19952152B4 (en) * | 1999-03-01 | 2007-08-30 | Volkswagen Ag | Achskinematikmeßstand for a vehicle with a wheel replacement |
| KR101275095B1 (en) * | 2011-09-23 | 2013-06-17 | (주)세화아이엠씨 | Device of proportionally operating finger for building drum |
| CN103453828A (en) * | 2013-09-06 | 2013-12-18 | 苏州上洋机电科技有限公司 | Barrel-type dust collector tumbling-angle detection device |
| CN104457523A (en) * | 2014-12-05 | 2015-03-25 | 柳州科路测量仪器有限责任公司 | Angle meter |
| CN109883447B (en) * | 2019-03-28 | 2022-09-30 | 芜湖欣宏电子科技有限公司 | Slope sensor detection equipment |
-
1992
- 1992-04-13 JP JP4119784A patent/JP2880607B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06129950A (en) | 1994-05-13 |
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