JPS644933U

JPS644933U -

Info

Publication number: JPS644933U
Application number: JP9825887U
Authority: JP
Priority date: 1987-06-26
Filing date: 1987-06-26
Publication date: 1989-01-12

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す要部断面図、
第２図は第１図のブレーキデイスクの一部省略し
た正面図、第３図は従来のブレーキデイスク付き
主電動機装置の台車への取付状態を示す正面図、
第４図は同従来のブレーキデイスク付き主電動機
装置の一部省略した断面図である。１……台車台枠、２……車軸、３……車輪、４
……減速歯車装置、５，５Ａ……ブレーキデイス
ク付き主電動機装置、６……主電動機（モータ）
、７……回転子軸、８，１８……ブレーキデイス
ク、９……カツプリング、１０……ブレーキキヤ
リパ、１０ａ……ブレーキシユー、１１……ケー
シング、１２……軸受ハウジング、１３……ベア
リング、１８ａ……ボス部、１８ｂ……円板部、
１８ｃ……ボス部周囲部分、１９……ナツト、２
０……通風冷却穴。 FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention;
FIG. 2 is a partially omitted front view of the brake disc shown in FIG. 1, and FIG. 3 is a front view showing how a conventional main motor device with a brake disc is attached to a truck.
FIG. 4 is a partially omitted sectional view of the conventional main motor device with a brake disc. 1...Bolly frame, 2...Axle, 3...Wheel, 4
...Reduction gear device, 5,5A...Main motor device with brake disc, 6...Main motor (motor)
, 7... Rotor shaft, 8, 18... Brake disc, 9... Coupling, 10... Brake caliper, 10a... Brake shoe, 11... Casing, 12... Bearing housing, 13... Bearing , 18a...boss part, 18b...disk part,
18c...Boss surrounding area, 19...Nut, 2
0...Ventilation cooling hole.

Claims

[Scope of utility model registration request]

In a motor having a brake disc at the end of the rotor shaft of the main motor, which obtains brake torque by pressing the brake shoe, a large number of ventilation cooling parts are provided around the boss part of the brake disc that fits onto the rotor shaft. A traction motor device with a brake disc, characterized in that the holes are spaced apart from each other and are provided through the holes at an angle with respect to the axial direction.