JPS59169438U

JPS59169438U - Non-excitation operated electromagnetic brake

Info

Publication number: JPS59169438U
Application number: JP6405783U
Authority: JP
Inventors: 矢部　清春
Original assignee: 友信株式会社
Priority date: 1983-04-28
Filing date: 1983-04-28
Publication date: 1984-11-13
Also published as: JPH0143555Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の無励磁作動式電磁ブレーキを示す断面図
、第２図は本案に係る無励磁作動式電磁ブレーキを示す
断面図、第３図は同上の正面図である。図中主要符号、Ａ・・・ブレーキデスク、１１・・・ヨ
ーク、１２・・・軸孔、１３・・・凹溝、１５・・・摺
動軸、１５ａ・・・細軸、１６・・・第１アーマチユア
、１７・・・ストッパー、１８・・・第２アーチユア、
１９・・・コイルバネ、２０・・・第１コイル、２１・
・・第２コイル。FIG. 1 is a sectional view showing a conventional non-excitation operated electromagnetic brake, FIG. 2 is a sectional view showing a non-excitation operated electromagnetic brake according to the present invention, and FIG. 3 is a front view of the same. Main symbols in the figure: A...brake desk, 11...yoke, 12...shaft hole, 13...concave groove, 15...sliding shaft, 15a...thin shaft, 16...・First armature, 17...stopper, 18...second armature,
19... Coil spring, 20... First coil, 21.
...Second coil.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

軸孔１２を貫設したヨーク１１の両端に環状の凹ｉ１３
．１３を各々開口し、それら凹溝１３゜１３に第１コイ
ル２０、第２コイル２１を各々挿入すると共に、軸孔１
２に摺動軸１５を挿通し、該摺動軸１５の一端にブレー
キデスクＡに対設する第１アーマチユア１６を固着する
一方、摺動軸１５の他端を細軸１５ａに形成し、その細
軸１５ａの先端にストッパ１７によって係止せしめられ
た第２アーマチユア１Ｂを摺動自在に挿通し、且つ、　
第２アーマチユア１８を常時先端へ付勢するコイルバネ
１９を巻装して成り、第１コイル２０の無通電中に第２
コイル２１を通電したときのみブレーキデスクＡに対し
て第１アーマチユア１６が圧接し制動するようになした
ことを特徴とする無動′磁作動式電磁ブレーキ。An annular recess i13 is formed at both ends of the yoke 11 through which the shaft hole 12 is inserted.
．． 13, and insert the first coil 20 and second coil 21 into the grooves 13 and 13, respectively, and open the shaft hole 1.
A sliding shaft 15 is inserted into the sliding shaft 15, and a first armature 16 opposite to the brake desk A is fixed to one end of the sliding shaft 15, while the other end of the sliding shaft 15 is formed into a thin shaft 15a. A second armature 1B, which is locked by a stopper 17, is slidably inserted into the tip of the thin shaft 15a, and
The second armature 18 is wound with a coil spring 19 that always urges it toward the tip, and when the first coil 20 is not energized, the second armature
A non-moving magnetically actuated electromagnetic brake characterized in that the first armature 16 comes into pressure contact with the brake desk A to perform braking only when the coil 21 is energized.