58
58
1.5.1 Electromagnetic brake working principle
1.5.1 Electromagnetic brake working principle
Motor shaft (9) is connected with shaft sleeve (4) by passing through the flat key. And shaft
Motor shaft (9) is connected with shaft sleeve (4) by passing through the flat key. And shaft
sleeve (4) is connected with brake pad (3) by passing through the splines. When the stator (11) is
sleeve (4) is connected with brake pad (3) by passing through the splines. When the stator (11) is
block out, the
block out, the force produ
force produced by the
ced by the pressure s
pressure spring (10
pring (10)
) would act on
would act on the armatur
the armature (8) wh
e (8) which
ich
makes rotated the brake pad (3) driven by the motor shaft connected closely between the
makes rotated the brake pad (3) driven by the motor shaft connected closely between the
armature (8) and cover plate (5). As a
armature (8) and cover plate (5). As a result the braking torque is created. There will be
result the braking torque is created. There will be a air gap
a air gap
Z between the armature and the stator at that
Z between the armature and the stator at that moment. When the brake needs to be
moment. When the brake needs to be relaxed, the
relaxed, the
stator is applied with direct current and the magnetic field would attract the armature (8) to move
stator is applied with direct current and the magnetic field would attract the armature (8) to move
towards the stator. The movement of armature compresses the pressure spring (10) which cause
towards the stator. The movement of armature compresses the pressure spring (10) which cause
the loosening of the brake pad (3) by that time and the brake is released.
the loosening of the brake pad (3) by that time and the brake is released.
1
1
7
7
5
5
3
3
8
8
9
9
4
4
10
10
11
11
Z
Z
12
12
6
6
1.Mounting Bolt of the Brake
1.Mounting Bolt of the Brake
3. Brake Pad
3. Brake Pad
4. Shaft Sleeve
4. Shaft Sleeve
5. Friction Disk
5. Friction Disk
6. Dustproof Cover
6. Dustproof Cover
7. Hollow Screw
7. Hollow Screw
8. Armature
8. Armature
9. Motor Shaft
9. Motor Shaft
10.Pressure Spring
10.Pressure Spring
11.Stator
11.Stator
12.Mounting Bolt of Friction Disk
12.Mounting Bolt of Friction Disk
Z. Air Gap
Z. Air Gap
Fig.2-4
Fig.2-4 Electromagnet
Electromagnetic
ic Brake
Brake Structure
Structure
https://www.besttruckmanuals.com/