JPH0269139U

JPH0269139U -

Info

Publication number: JPH0269139U
Application number: JP14849488U
Authority: JP
Priority date: 1988-11-16
Filing date: 1988-11-16
Publication date: 1990-05-25
Anticipated expiration: 2003-08-27
Also published as: JPH0533791Y2

Description

[Brief explanation of the drawing]

第１図は本考案によるデイスクブレーキのギヤ
ツプ保持機構を有する励磁解放式電磁ブレーキ組
立体の断面半体図、第２図は第１図の電磁ブレー
キ組立体の解放状態の断面半体図、第３図は第２
図の矢視図、第４図は従来の励磁解放式電磁ブ
レーキ組立体の開放状態の断面半体図、第５図は
第４図の制動状態の断面半体図、第６図は第５図
の部分拡大詳細図である。符号の説明、１：軸、２，２ａ：ハブ、３，３
ａ：アダプタ、４，４ａ：デイスク、５：コイル
、５Ａ：磁束、５Ａ′：漏洩磁束、６：アーマチ
ユア、７：ばね、８：ブレーキカバー、９，９ａ
：ヨーク、１０，４０：ブレーキ組立体、１１，
１１ａ：ストツパ、１２：ピン、１３：孔、１４
：ばね、１５，１６：キー溝、１７：キー、１８
：ライナ、１９，１９ａ：センタボルト。 Fig. 1 is a cross-sectional half view of an excitation release type electromagnetic brake assembly having a disc brake gap holding mechanism according to the present invention; Fig. 2 is a cross-sectional half view of the electromagnetic brake assembly of Fig. 1 in a released state; Figure 3 is the second
Fig. 4 is a cross-sectional half view of the conventional excitation release type electromagnetic brake assembly in the open state, Fig. 5 is a cross-sectional half view of the braking state of Fig. 4, and Fig. 6 is It is a partially enlarged detail view of the figure. Explanation of symbols, 1: Axis, 2, 2a: Hub, 3, 3
a: adapter, 4, 4a: disk, 5: coil, 5A: magnetic flux, 5A': leakage magnetic flux, 6: armature, 7: spring, 8: brake cover, 9, 9a
: Yoke, 10, 40: Brake assembly, 11,
11a: Stopper, 12: Pin, 13: Hole, 14
: Spring, 15, 16: Keyway, 17: Key, 18
: Liner, 19, 19a: Center bolt.

Claims

[Claims for Utility Model Registration] A yoke that houses an electromagnetic coil inside, and a yoke that is attracted to the electromagnetic coil when the electromagnetic coil is energized, and is drawn away from the electromagnetic coil by a spring when the electromagnetic coil is not energized. It has an armature that is pressed apart, a disk that is disposed axially outwardly from the armature, and a brake cover that is disposed further axially outwardly from this disk, and the disc and the rotating shaft to be braked are connected to each other. are connected via a hub and an adapter, and in a state in which the electromagnetic coil is not excited, the disc is pressed between the armature and the brake cover and brakes the rotating shaft by frictional force, thereby creating a braking state. In an electromagnetic disc brake in which the gap between the disc, armature, and brake cover is adjusted by a center bolt: The center bolt arranged around the outer periphery of the rotating shaft has a plurality of keys radially arranged on its axially outer surface. A plurality of key grooves are provided in the radial direction on the outer surface of the disk in the axial direction, and the disk is arranged on the outer periphery of the center bolt. A keyway of the bolt and a keyway of the disk are aligned and communicate with each other, and a key is disposed and fixed within at least the series of keyways to maintain an adjusted gap between the center bolt and the disk. A disc brake gear holding mechanism that is firmly fixed in place.