Knowledge sharing about all-electric stacker brakes

The electric motor disk brake used in all-electric stacker trucks and other equipment produced by the electric lithium pallet truck factory is based on the principle of an intermediate brake plate, which is connected to the motor output shaft through a bearing, and the disk iron friction plate is connected to the motor end cover (or gear box) through a wire. The end face) is fixedly connected. When the disk coil is not energized, there is a gap of about 0.35 on both sides of the middle brake pad, and the motor shaft can automatically rotate; when the disk coil is energized, the suction iron overcomes the spring pressure, so that the brake friction pad is pressed against the middle brake pad , So as to achieve the braking effect.　　The electric motor disk brake of the electric stacker has been adjusted up to the standard before leaving the factory, and the braking distance is guaranteed to not exceed 1m when the lithium pallet truck is fully loaded and running at high speed. The brake device should be maintained and inspected frequently. If it is used for too long, the fixing screw is loose, or the brake is used frequently, the friction plate wears out too fast, or the gap uniformity on both sides of the brake disc needs to be re-calibrated after disassembly. Prevent the position of the brake disc from tilting to make the motor run with brake.　　If the maintenance and adjustment are improper, it may cause the motor to burn out. In the operation of the brake, by pressing the tongue-shaped plate on the top of the manipulating handle, the braking effect can be achieved when there is current. In order to ensure the uninterrupted operation of the electromagnetic brake, Ji Gong of Hefei Technology Department also demonstrated the following maintenance and maintenance on the spot: 1. Lubrication 　　 often add lubricant to the movable part of the electromagnetic brake. 2. Check the length of the armature stroke. Regularly check the length of the armature stroke. Because during the operation of the brake, the stroke length of the armature will increase due to the wear of the moving surface. When the armature stroke length does not reach the normal value, it must be adjusted to restore the minimum gap between the brake surface and the turntable. If the armature stroke length increases above the normal value, the suction power may be greatly reduced. 3. Adjust the gap 　　 If the worn brake surface is replaced, the minimum gap between the brake surface and the turntable should be adjusted appropriately. 4. Check bolts 　　 Always check the tightness of the bolts, especially tighten the bolts of the electromagnet, the bolts of the electromagnet and the housing, the bolts of the yoke, the bolts of the electromagnet coil and the wiring bolts. 5. Check wear and dirt 　　 Regularly check the mechanical wear of the movable parts, and remove the dust, hair and dirt on the surface of the electromagnet parts. The motor disk brake is suitable for the following electric pallet truck models of Hefei Factory: TB type fork leg all-electric stacker, TBB type fork-less counterweight all-electric stacker, TE type all-electric pallet truck, TFA type Economical forward-moving all-electric forklifts, etc., I hope the above information will be helpful to the majority of users of Hefei Factory in the maintenance process
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