JPS62119542U - - Google Patents
Info
- Publication number
- JPS62119542U JPS62119542U JP714186U JP714186U JPS62119542U JP S62119542 U JPS62119542 U JP S62119542U JP 714186 U JP714186 U JP 714186U JP 714186 U JP714186 U JP 714186U JP S62119542 U JPS62119542 U JP S62119542U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- coil spring
- compression coil
- inner hole
- excitation device
- 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
Links
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 2
Description
第１図は本考案に係る負作動型電磁ブレーキの
実施例を示す上半部破断側面図、第２図は従来の
負作動型電磁ブレーキの縦断面図である。
１Ａ……励磁装置、２……外極部材、２ａ……
内フランジ、４……永久磁石、５……励磁コイル
、６……サイドプレート、１０……回転軸、１１
……デイスク、１２……アーマチユア、２０……
圧縮コイルばね、２１……カバー。
FIG. 1 is a cutaway side view of the upper half of an embodiment of a negative-action electromagnetic brake according to the present invention, and FIG. 2 is a vertical cross-sectional view of a conventional negative-action electromagnetic brake. 1A... Excitation device, 2... Outer pole member, 2a...
Inner flange, 4... Permanent magnet, 5... Exciting coil, 6... Side plate, 10... Rotating shaft, 11
... Disk, 12 ... Armature, 20 ...
Compression coil spring, 21...cover.
Claims (1)
と、この励磁装置と所定間隙をおいて正対し軸方
向へのみ移動可能なアーマチユアと、このアーマ
チユアと摩擦係合するデイスクと、このデイスク
への押圧力を前記アーマチユアに付与する圧縮コ
イルばねとを備えた負作動型電磁ブレーキにおい
て、前記圧縮コイルばねを、前記アーマチユアの
内孔周縁部と前記励磁装置に設けた内フランジの
内孔周縁部との間に被制動軸とほゞ同芯状に介装
し、この圧縮コイルばねの前記アーマチユア側の
端部外側を覆うカバーをこの圧縮コイルばねとア
ーマチユアの内孔周縁部との間で挾持させたこと
を特徴とする負作動型電磁ブレーキ。 An excitation device in which a permanent magnet and an excitation coil are installed, an armature that directly faces the excitation device with a predetermined gap and is movable only in the axial direction, a disk that frictionally engages with the armature, and a In a negative actuation type electromagnetic brake comprising a compression coil spring that applies a pressing force to the armature, the compression coil spring is connected to a peripheral edge of an inner hole of the armature and a peripheral edge of an inner hole of an inner flange provided in the excitation device. A cover that covers the outside of the end of the compression coil spring on the armature side is interposed between the compression coil spring and the armature inner hole, and is sandwiched between the compression coil spring and the periphery of the inner hole of the armature. A negative actuation type electromagnetic brake characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP714186U JPS62119542U (en) | 1986-01-23 | 1986-01-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP714186U JPS62119542U (en) | 1986-01-23 | 1986-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119542U true JPS62119542U (en) | 1987-07-29 |
Family
ID=30790319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP714186U Pending JPS62119542U (en) | 1986-01-23 | 1986-01-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119542U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005344837A (en) * | 2004-06-03 | 2005-12-15 | Hitachi Ltd | Electromagnetic disc brake and elevator hoisting machine provided therewith |
| JP2009041654A (en) * | 2007-08-08 | 2009-02-26 | Hitachi Ltd | Brake control device |
| WO2024075488A1 (en) * | 2022-10-07 | 2024-04-11 | Ntn株式会社 | Ball screw device and linear movement mechanism |
-
1986
- 1986-01-23 JP JP714186U patent/JPS62119542U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005344837A (en) * | 2004-06-03 | 2005-12-15 | Hitachi Ltd | Electromagnetic disc brake and elevator hoisting machine provided therewith |
| JP2009041654A (en) * | 2007-08-08 | 2009-02-26 | Hitachi Ltd | Brake control device |
| JP4563429B2 (en) * | 2007-08-08 | 2010-10-13 | 株式会社日立製作所 | Brake control device |
| WO2024075488A1 (en) * | 2022-10-07 | 2024-04-11 | Ntn株式会社 | Ball screw device and linear movement mechanism |
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