JPH01134511A - Damping device for mobile object - Google Patents

Damping device for mobile object

Info

Publication number
JPH01134511A
JPH01134511A JP29352387A JP29352387A JPH01134511A JP H01134511 A JPH01134511 A JP H01134511A JP 29352387 A JP29352387 A JP 29352387A JP 29352387 A JP29352387 A JP 29352387A JP H01134511 A JPH01134511 A JP H01134511A
Authority
JP
Japan
Prior art keywords
objects
carriage
belt
moving body
moving
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.)
Pending
Application number
JP29352387A
Other languages
Japanese (ja)
Inventor
Naoyuki Nakamu
直行 中務
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP29352387A priority Critical patent/JPH01134511A/en
Publication of JPH01134511A publication Critical patent/JPH01134511A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/001Arrangements compensating weight or flexion on parts of the machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moving Of Heads (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

PURPOSE:To accurately position the mobile objects despite the undesired force applied to the moving directions of the mobile objects by fixing two mobile objects having the same mass at a belt set at a position where both mobile objects try to move in the directions opposite to each other. CONSTITUTION:The mobile objects 14 and 15 of the same mass are set symmetrically to each other centering on an optical disk 1. The information are recorded on both sides of the disk 1 and read by the pickups 5A and 5B respectively. The carriages 4A and 4B forming the objects 14 and 15 are fixed by arms 13A and 13B at a position of a belt 12 hooked between pulleys 16 and 17 where the objects 14 and 15 move in the direction opposite to each other. When the undesired forces such as impacts, vibrations, etc., are applied to the moving directions of both objects 14 and 15, the forces of the same degree and same direction are applied to both objects. These forces are offset via the belt 12 and therefore the movements of both objects 14 and 15 are prevented. Thus these objects 14 and 15 are accurately positioned.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は移動方向に対して高精度に位置決めできる移
動体の制動装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a braking device for a moving body that can be positioned with high precision in the direction of movement.

〔従来の技術〕[Conventional technology]

第3図は例えば特開昭58−211363号公報に示さ
れた従来の移動体の制動装置を示す構成図であり、光デ
イスク装置に適用した場合である。
FIG. 3 is a block diagram showing a conventional braking device for a movable body disclosed in, for example, Japanese Unexamined Patent Publication No. 58-211363, and is applied to an optical disk device.

図にお゛いて、(11は、光学的方法により情報が記録
された円盤状の光ディスクであり、スピンドルモーター
(21によって高速に回転される。(3)は光ディスク
(1)の近(で、その半径方向に沿って設けられた円柱
状のガイドレールである。(4)は直線的に駆動される
移動体であるキャリッジで、8字形の断面形状を有し、
左右対称形であり、ガイドレール(3)上に設けられ、
ガイドレール(3)に沿って、光ディスク(11の半径
方向を高速駆動される。151はキャリッジ(4)上に
設けられたピックアップであり、光ディスク(1)に記
録された情報を読みとったり、光ディスク+11へ情報
を記録したりするものである。
In the figure, (11 is a disc-shaped optical disk on which information is recorded by an optical method, and is rotated at high speed by a spindle motor (21). (3) is near the optical disk (1), It is a cylindrical guide rail provided along the radial direction.(4) is a carriage which is a linearly driven moving body and has a figure 8 cross-sectional shape.
It is bilaterally symmetrical and is installed on the guide rail (3),
The optical disc (11) is driven at high speed in the radial direction along the guide rail (3). 151 is a pickup installed on the carriage (4), which reads information recorded on the optical disc (1) and drives the optical disc (11) at high speed. +11 to record information.

第4図はキャリッジ(4)の駆動機構を示したもので、
キャリッジ(4)の移動方向からみた第3図の部分正面
図である。(6)はキャリッジ(4)の両側に固定され
た角柱状のセ〉ターヨークである。(7)はヨーク(6
)の周囲に巻回されたボイスコイルである。(81はボ
イスコイル(7)を三方から取り囲むようにして、その
周囲に配置された磁石である。以上のヨーク(6)、コ
イル(7)、磁石(8)で、キャリッジ(4)駆動用の
磁気回路を構成する。(9(は磁石(8)の近くに設け
られた平レールである。凹はキャリッジ(4)の両側面
に設けられたベアリングであり、平レール(93に接し
て回転する。αυはキャリッジ(4)の中央部に設けら
れた二つのベアリングでアリ、ガイドレール(3)を斜
め方向から対称的に押しつけながら回転する。
Figure 4 shows the drive mechanism of the carriage (4).
FIG. 4 is a partial front view of FIG. 3 viewed from the moving direction of the carriage (4). (6) is a prismatic center yoke fixed to both sides of the carriage (4). (7) is the yoke (6
) is a voice coil wound around the (81 is a magnet placed around the voice coil (7) so as to surround it from three sides.The above yoke (6), coil (7), and magnet (8) are used to drive the carriage (4). (9) is a flat rail provided near the magnet (8). The concave portions are bearings provided on both sides of the carriage (4). It rotates. αυ rotates while pressing the dovetail and guide rail (3) symmetrically from an oblique direction using two bearings provided in the center of the carriage (4).

従来の移動体の制動装置は上記のように構成され、光デ
ィスク(11上の情報を読みとったり、情報を記録した
シするために、キャリッジ(4)上のピックアップ(5
1を所定の位置まで移動させるように指示信号が発生さ
れると、ボイスコイル(7)に駆動電流が流れ、ヨーク
(61と磁石(8)との作る磁界との間に電磁力が働き
、ヨーク+61及びキャリッジ(4)がガイドレール(
3)に沿って走行する。ピックアップ(5:が所定の位
置に到達すると、上記駆動電流が流れなくなり、キャリ
ッジ(4)が停止する。そして、キャリッジ(4)は、
ベアリングαυとがイドレール(3)により左右方向を
制御されて、ガイドレール(3)上を滑らかに動く。又
、これらと、ベアリング(1(I及び平レール(91に
より、キャリッジ(4)の上下方向の位置ずれも抑止さ
れるようになっている。
A conventional braking device for a moving body is configured as described above, and a pickup (5) on a carriage (4) is used to read information on an optical disk (11) or record information on the optical disk (11).
1 to a predetermined position, a driving current flows through the voice coil (7), and an electromagnetic force acts between the magnetic field created by the yoke (61 and the magnet (8)). The yoke +61 and carriage (4) are connected to the guide rail (
3). When the pickup (5:) reaches a predetermined position, the drive current stops flowing and the carriage (4) stops.Then, the carriage (4)
The bearing αυ is controlled in the left and right direction by the idle rail (3) and moves smoothly on the guide rail (3). Furthermore, these, the bearing (1), and the flat rail (91) prevent the carriage (4) from shifting in the vertical direction.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上記のような従来の移動体の制動装置では、キャリッジ
(4)の移動方向と垂直な方向に対しては、キャリッジ
(41の位置ずれを抑止することが出来るが、キャリッ
ジ(4)の移動方向と同じ方向に衝撃や振動などによる
力が加わると、キャリッジ(4)の位置ずれを抑止する
ことが出来ず、正確な位置決めが困難になるという問題
点があった。
In the conventional braking device for a moving body as described above, displacement of the carriage (41) can be suppressed in a direction perpendicular to the direction of movement of the carriage (4), but in the direction of movement of the carriage (4) If a force due to shock or vibration is applied in the same direction as the carriage (4), the positional shift of the carriage (4) cannot be prevented and accurate positioning becomes difficult.

この発明は、かかる問題点を解決するためになされたも
ので、移動体(キャリッジ)の移動方向に不要な力が加
わっても、移動体の正確な位置決めが可能な移動体の制
動装置を得ることを目的とする。
This invention was made to solve such problems, and provides a braking device for a moving body (carriage) that can accurately position the moving body even if unnecessary force is applied in the moving direction of the moving body (carriage). The purpose is to

〔問題点を解決するための手段〕[Means for solving problems]

この発明に係る移動体の制動装置は、直線的に駆動され
る第1の移動体と同じ質量で、この移動体と平行に移動
しえる第2の移動体と、プーリの間に巻回され、上記移
動体の移動方向と平行であり互いに逆方向に移動する箇
所を有し、その各々の箇所に上記各移動体が連結された
ベルトとを設けたものである。
The braking device for a movable body according to the present invention has a second movable body that has the same mass as a linearly driven first movable body and can move in parallel to this movable body, and a second movable body that is wound between a pulley and a second movable body that has the same mass as a first movable body that is driven linearly. , which has a portion that is parallel to the moving direction of the moving body and moves in mutually opposite directions, and a belt to which each of the moving bodies is connected is provided at each of the portions.

〔作用〕[Effect]

この発明においては、二つの移動体の質量が等しく、各
々が逆方向に移動しようとする箇所のベルトに固定され
ているので、移動体の移動方向に不要な力が加わっても
、等しい大きさで同じ向きの力が各々の移動体に働らき
、この力が上記ベルトを介して相殺される。
In this invention, since the masses of the two moving bodies are equal and each is fixed to the belt at the point where it is intended to move in the opposite direction, even if unnecessary force is applied in the direction of movement of the moving bodies, the mass will be equal. A force in the same direction acts on each moving body, and this force is canceled out through the belt.

〔実施例〕〔Example〕

第1図はこの発明による移動体の制動装置を示す構成図
であり、光デイスク装置に適用した場合である。¥J2
図は移動方向からみた第1図の駆動機構を示す部分正面
図である。第1図及び第2図において、(1)〜(3)
及び151〜住υは上記従来装置と同一のものである。
FIG. 1 is a block diagram showing a braking device for a movable body according to the present invention, when applied to an optical disk device. ¥J2
The figure is a partial front view showing the drive mechanism of FIG. 1 viewed from the direction of movement. In Figures 1 and 2, (1) to (3)
and 151 to υ are the same as those of the conventional device.

(4A)はガイドレール(3A)上に設けられ、ガイド
レール(3A)に沿って直線的に駆動されるキャリッジ
であり、左右対称形で、8字形の断面形状を有し、一端
がベル) tA2Jに固定されたアーム(13A) 、
ピックアップ(5A) 、センターヨーク(6A) 、
ボイスコイル(7A) 、ベアリング(IOA) 。
(4A) is a carriage that is installed on the guide rail (3A) and driven linearly along the guide rail (3A), and is bilaterally symmetrical and has a figure-8 cross-sectional shape, with one end being a bell). Arm (13A) fixed to tA2J,
Pickup (5A), center yoke (6A),
Voice coil (7A), bearing (IOA).

(IIA)を有している。キャリッジ(4A)とアーム
(13A) 、ピックアップ(5A)等とで、直線的に
駆動される第1の移動体Iを構成する。回は第1の移動
体Iと同じ質量で、光ディスク(1)をはさんで第1の
移動体Iと平行に移動しうる第2の移動体であり、光デ
ィスク111を対称軸として、第1の移動体α乃と対称
的な構造であり、キャリッジ(和)、アーム(13B)
 、ピックアップ(5B)等からなる。顛及び卸は、プ
ーリ(ベルト車)であり、上記対称軸上の離れた二点に
位置する中心軸のまわりを回転する。上記ベルト(17
JはブーIJ (161、(17)の間に巻回されてお
り、その互いに逆方向に移動する箇所に、上記アーム(
13A) 、 (13B)により各々の移動体I。
(IIA). The carriage (4A), arm (13A), pickup (5A), etc. constitute a first moving body I that is linearly driven. The second moving body has the same mass as the first moving body I and can move parallel to the first moving body I with the optical disc (1) in between. It has a symmetrical structure with the moving body αno, and has a carriage (sum) and an arm (13B).
, pickup (5B), etc. The frame and frame are pulleys (belt wheels) that rotate around central axes located at two distant points on the axis of symmetry. The above belt (17
J is wound between the boos IJ (161, (17)), and the above arm (
13A) and (13B) for each mobile object I.

u9が連結されている。u9 is connected.

上記のように構成された移動体の制動装置においては、
光ディスク(11ヲはさんで、上下の移動体α4)、(
151が同じ質量であり、対称的に配設されている。そ
して、光ディスクIl+はその両面に情報が記録されて
おり、各々のピックアップ(5A) 、 (5B)でそ
れぞれの面に記録された情報を読むことができる。従っ
て、従来装置のように、光ディスクfi+を裏返す作業
は不要となる。移動体α4)、(15)1に構成するキ
ャリッジC4k) 、 (4)1)上に固定されたピッ
クアップ(5A) 、 (5)1)の駆動方法は従来と
同様である。
In the braking device for a moving body configured as described above,
Optical disc (with 11 pieces in between, upper and lower moving body α4), (
151 have the same mass and are arranged symmetrically. Information is recorded on both sides of the optical disc Il+, and the information recorded on each side can be read with each pickup (5A) and (5B). Therefore, unlike the conventional apparatus, there is no need to turn over the optical disc fi+. The method of driving the pickup (5A), (5)1) fixed on the carriage C4k), (4)1), configured on the moving bodies α4), (15)1) is the same as the conventional method.

ただし、両キャリッジ(,4A) 、 (4B)はベル
トazに固定され、逆方向に連動するようになっている
ので、通常は一方のキャリッジ(4A)又は(4i、l
)のみを使用し、他方のものは使用しない。しかし、光
ディスク(1)の両面に最初から両方の移動体α4)、
(15)を用いて、両面の記録を同期させて記録してお
いた場合や、両方の駆動機構を正確に同期させて運転す
るような場合は、光ディスク(11の両面の情報を同時
に読みとることも可能である。
However, since both carriages (4A) and (4B) are fixed to belt az and are designed to move in opposite directions, normally one carriage (4A) or (4i, l
) and not the other. However, from the beginning both moving bodies α4) are on both sides of the optical disc (1).
(15) is used to synchronize recording on both sides, or when both drive mechanisms are operated in precise synchronization, it is necessary to read the information on both sides of the optical disc (11) at the same time. is also possible.

又、本装置においては、移動体I、α四の移動方向に、
衝撃や振動等の不要な力が作用しても、各々の移動体C
14)、(151が等しい質量であり、アーム(13A
)、 (13)1)によりベル) (13上の互いに逆
方向に動こうとする箇所に固定されているので、各々の
移動体(141,(15)に等しい大きさで、同じ向き
の力が働き、この力がベルトα′;!Jを介して相殺さ
れるので移動体ua、(Lsの移動が防止される。従っ
て、移動体H,(15の正確な位置決めが出来る装置と
なる。
In addition, in this device, in the moving direction of the moving bodies I and α4,
Even if unnecessary forces such as shocks and vibrations are applied, each moving object C
14), (151 have the same mass, and the arm (13A
), (13) Due to 1), the bell) acts, and this force is canceled out via the belt α';!J, thereby preventing the movement of the movable bodies ua, (Ls. Therefore, the device is capable of accurately positioning the movable bodies H, (15).

なお、上記実施例では、光ディスク[11の上下に全く
同じ移動体側、(1sを設けた場合を示したが、上下の
移動体の総質量が等しくなるようにしておけば、片方の
側のピックアップ(5B)やセンターヨーク(□□□)
等は省いてもよい。
In addition, in the above embodiment, the case where exactly the same moving body side (1s) is provided on the upper and lower sides of the optical disc [11 was shown, but if the total mass of the upper and lower moving bodies is made equal, the pickup on one side (5B) and center yoke (□□□)
etc. may be omitted.

又、上記実施例では、二つのブーIJ (16) 、 
(L?)が上記対称軸上に位置する場合を示したが、プ
ーリは二つ以上あってもよく、又、上記対称軸上になく
ともよい。プーリに巻回されたベルト(121が、上記
実施例と同様な効果を果たすようになっていればよい。
In addition, in the above embodiment, two boos IJ (16),
Although the case where (L?) is located on the above-mentioned axis of symmetry has been shown, there may be two or more pulleys, or there may be no pulleys located on the above-mentioned axis of symmetry. It is only necessary that the belt (121) wound around the pulley achieves the same effect as in the above embodiment.

さらに又、本発明による移動体の制動装置は、光デイス
ク装置以外のものにも適用できる。
Furthermore, the moving object braking device according to the present invention can be applied to devices other than optical disk devices.

〔発明の効果〕 この発明は以上説明したとおり、第1の移動体と同じ質
量で、これと平行に移動しえる第2の移動体と、これら
の移動体の移動方向と平行であり互いに逆方向に移動す
る箇所を有し、その各々の箇所に上記移動体が連結され
たベルトとを設けたので、移動方向に不要な力が加わっ
ても、各々の移動体に等しい大きさで同じ向きの力が働
き、これらの力がベルトを介して相殺されるので、移動
体の位置がずれず、移動体の正確な位置決めができると
いう効果がある。
[Effects of the Invention] As explained above, the present invention includes a second moving body that has the same mass as the first moving body and can move parallel to it, and a second moving body that has the same mass as the first moving body and can move in parallel with the first moving body, and Since the structure has parts that move in the same direction, and a belt to which the above-mentioned moving bodies are connected is provided at each part, even if an unnecessary force is applied in the direction of movement, each moving body has the same magnitude and the same direction. Since these forces are canceled out through the belt, the position of the movable body does not shift and the movable body can be accurately positioned.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明の一実施例を示す移動体の制動装置の
構成図、第2図は駆動機構を示す第1図の部分正面図、
第3図は従来の装置を示す構成図、第4図は駆動機構を
示す!F、3図の部分正面図である。 図において、(lzはベルト、α荀は第1の移動体、(
19は第2の移動体、(161及びC17)はプーリで
ある。 なお、各図中同一符号は同一または相当部分を示す。
FIG. 1 is a configuration diagram of a braking device for a movable body showing an embodiment of the present invention, FIG. 2 is a partial front view of FIG. 1 showing a drive mechanism,
Fig. 3 is a configuration diagram showing the conventional device, and Fig. 4 shows the drive mechanism! F, a partial front view of FIG. 3; In the figure, (lz is the belt, αxun is the first moving body, (
19 is a second moving body, and (161 and C17) are pulleys. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】[Claims] (1)直線的に駆動される第1の移動体と、この移動体
と同じ質量で、上記移動体に平行に移動しえる第2の移
動体と複数のプーリの間に巻回され、上記移動体の移動
方向と平行であり互いに逆方向に移動する箇所を有し、
その各々の箇所に上記各移動体が連結されたベルトとか
らなることを特徴とする移動体の制動装置。
(1) A first movable body that is driven linearly, a second movable body that has the same mass as the movable body and can move in parallel to the movable body, and a plurality of pulleys; It has a part that is parallel to the moving direction of the moving body and moves in mutually opposite directions,
A braking device for a movable body, comprising a belt to which each of the movable bodies is connected at each location.
JP29352387A 1987-11-19 1987-11-19 Damping device for mobile object Pending JPH01134511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29352387A JPH01134511A (en) 1987-11-19 1987-11-19 Damping device for mobile object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29352387A JPH01134511A (en) 1987-11-19 1987-11-19 Damping device for mobile object

Publications (1)

Publication Number Publication Date
JPH01134511A true JPH01134511A (en) 1989-05-26

Family

ID=17795844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29352387A Pending JPH01134511A (en) 1987-11-19 1987-11-19 Damping device for mobile object

Country Status (1)

Country Link
JP (1) JPH01134511A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05144091A (en) * 1991-11-25 1993-06-11 Victor Co Of Japan Ltd Optical master disk recorder
US7890968B2 (en) * 2007-01-26 2011-02-15 Hewlett-Packard Development Company, L.P. Optical disc device having two optomechanical mechanisms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05144091A (en) * 1991-11-25 1993-06-11 Victor Co Of Japan Ltd Optical master disk recorder
US7890968B2 (en) * 2007-01-26 2011-02-15 Hewlett-Packard Development Company, L.P. Optical disc device having two optomechanical mechanisms

Similar Documents

Publication Publication Date Title
JPH01128238A (en) Optical means supporting device
JPS58211363A (en) Carriage assembly
US4958336A (en) Optical head device
JPH01134511A (en) Damping device for mobile object
JPS62165774A (en) Head positioning mechanism
JP3105620B2 (en) Optical information recording / reproducing device
JP2735127B2 (en) Optical system drive
JPS61123030A (en) Objective lens supporting device
JPS621130A (en) Optical recording and/or reproducing device
JP2821407B2 (en) Optical head device
SU1582196A1 (en) Mechanism for displacing objective of optical device for reproduction of information
JPS5832237A (en) Optical pickup device
JP2602410B2 (en) Optical head device
JPS62139141A (en) Objective lens drive device
JPH02292781A (en) Voice coil type optical head moving device
JPS60167137A (en) Three-dimensional driving device
JPS62245535A (en) Optical system driver
JPS6134737A (en) Optical pickup driving device
JPH0352125A (en) Objective lens driver
JPH031375A (en) Linear driving device and information recording and reproducing device using the same
JPS62109238A (en) Objective lens driving device
JPH01178139A (en) Optical disk recording and reproducing device
JPH02131348A (en) Voice coil motor for optical disc device
JPS6292276A (en) Information recording and reproducing device
JPH04111244A (en) Magneto-optical recording and reproducing device