JPH0386759U - - Google Patents
Info
- Publication number
- JPH0386759U JPH0386759U JP14827989U JP14827989U JPH0386759U JP H0386759 U JPH0386759 U JP H0386759U JP 14827989 U JP14827989 U JP 14827989U JP 14827989 U JP14827989 U JP 14827989U JP H0386759 U JPH0386759 U JP H0386759U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- rotating
- fixed
- convex portions
- permanent magnet
- 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.)
- Granted
Links
- 230000005284 excitation Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第1図は本考案に係る電磁ブレーキを組込んだ
電動シリンダの縦断面図、第2図イ,ロは第1図
における電磁ブレーキ部の拡大図で、第2図イは
出力軸の停止中の状態を示す原理説明図、第2図
ロは出力軸の回転中の状態を示す原理説明図、第
3図は第2図イをA−A線方向から見た外形図、
第4図は従来の電動シリンダの縦断面図である。
2……出力軸、11……基端部分、21……第
1回転ヨーク、24……永久磁石、23,25…
…凸部、26……第2回転ヨーク、27……固定
ヨーク、29……励磁コイル、31,32……凸
部。
Figure 1 is a longitudinal sectional view of an electric cylinder incorporating the electromagnetic brake according to the present invention, Figure 2 A and B are enlarged views of the electromagnetic brake part in Figure 1, and Figure 2 A is when the output shaft is stopped. 2B is a principle explanatory diagram showing the state in which the output shaft is rotating; FIG. 3 is an outline diagram of FIG.
FIG. 4 is a longitudinal sectional view of a conventional electric cylinder. 2... Output shaft, 11... Base end portion, 21... First rotating yoke, 24... Permanent magnet, 23, 25...
... Convex portion, 26... Second rotating yoke, 27... Fixed yoke, 29... Excitation coil, 31, 32... Convex portion.
Claims (1)
2と一体的に回転可能な円盤状の第1回転ヨーク
21と、 該第1回転ヨーク21の外側面にこれと同心に
固着された中空円盤状の永久磁石24と、 該永久磁石24の外側面にこれと同心に固着さ
れた中空円盤状の第2回転ヨーク26と、 上記第1回転ヨーク21、永久磁石24及び第
2回転ヨーク26から成る回転体の回転外方にこ
れを包囲して固定配置された環状の固定ヨーク2
7と、 該固定ヨーク27の内周面に上記回転体と同心
して取付けられたリング状の励磁コイル29とか
ら成り、 上記第1回転ヨーク21及び第2回転ヨーク2
6の各々の外周部に該ヨーク21,26の回転方
向に沿つて複数の凸部23,25をほぼ等間隔で
形成し、 上記固定ヨーク27の内周面に上記第1回転ヨ
ーク21の凸部23及び第2回転ヨーク26の凸
部25に対応しかつ該各凸部23,25との間に
微少の空隙を設けて複数の凸部31,32を形成
したことを特徴とする電動シリンダの電磁ブレー
キ。[Claims for Utility Model Registration] A disk-shaped first rotating yoke 21 fixed to the base end portion 11 of the output shaft 2 and rotatable integrally with the output shaft 2; and an outer surface of the first rotating yoke 21. a hollow disc-shaped permanent magnet 24 fixed concentrically to the permanent magnet 24; a hollow disc-shaped second rotating yoke 26 fixed concentrically to the outer surface of the permanent magnet 24; and the first rotating yoke 21. An annular fixed yoke 2 that is fixedly arranged outside the rotation of a rotating body consisting of a permanent magnet 24 and a second rotating yoke 26 to surround it.
7, and a ring-shaped excitation coil 29 attached to the inner peripheral surface of the fixed yoke 27 concentrically with the rotating body, the first rotating yoke 21 and the second rotating yoke 2
A plurality of convex portions 23 and 25 are formed at approximately equal intervals along the rotational direction of the yokes 21 and 26 on the outer circumferential portion of each of the fixed yokes 27, and convex portions of the first rotating yoke 21 are formed on the inner circumferential surface of the fixed yoke 27. An electric cylinder characterized in that a plurality of convex portions 31 and 32 are formed corresponding to the convex portions 25 of the portion 23 and the second rotary yoke 26 and with a minute gap provided between each of the convex portions 23 and 25. electromagnetic brake.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989148279U JPH0640447Y2 (en) | 1989-12-22 | 1989-12-22 | Electromagnetic cylinder electromagnetic brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989148279U JPH0640447Y2 (en) | 1989-12-22 | 1989-12-22 | Electromagnetic cylinder electromagnetic brake |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0386759U true JPH0386759U (en) | 1991-09-03 |
JPH0640447Y2 JPH0640447Y2 (en) | 1994-10-19 |
Family
ID=31694737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989148279U Expired - Lifetime JPH0640447Y2 (en) | 1989-12-22 | 1989-12-22 | Electromagnetic cylinder electromagnetic brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0640447Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62154785U (en) * | 1986-03-20 | 1987-10-01 |
-
1989
- 1989-12-22 JP JP1989148279U patent/JPH0640447Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62154785U (en) * | 1986-03-20 | 1987-10-01 |
Also Published As
Publication number | Publication date |
---|---|
JPH0640447Y2 (en) | 1994-10-19 |