1. The parking brake of ordinary air brake can only be used when the forklift is stationary, because its braking torque acts on the drive shaft. If it is used in the self loading mixer, it is easy to cause damage to the drive shaft and rear axle. Serious overload, or possibly due to the locking of the differential case, causes the opposite rotation direction of the left and right wheels, which causes the self loading mixer to close or even rotate when braking.
However, the energy storage spring brake is not the same. On the contrary, since the parking brake stroke of the energy storage spring is greater than the service brake stroke, the energy storage spring can also be used to assist the emergency braking in case of insufficient driving braking force. Therefore, the energy storage spring brake can be used not only as a parking brake, but also as an emergency brake. Therefore, in terms of braking stability and safety, air brake braking system is better than ordinary air brake.
2. The hydraulic brake has simple structure and small installation space. It only needs the brake master cylinder, auxiliary pump, oil cup and connecting pipe, without other auxiliary equipment; In addition to the brake master cylinder, auxiliary pump and brake, the air brake is complex. There are also air pump, air tank, high pressure controller, relay valve and other components that need large installation space and complex structure. For safety, the rear brake cylinder is now a gas brake.
3. The traditional brake is a manual brake, which locks the drive shaft. When the brake is applied, compressed air enters the brake ventilation system to lock the wheels. When the hand brake or drive shaft mechanical failure, hand brake failure; When any part of the air pump, pipe, oil tank or brake valve fails, the foot brake fails. Air brake can effectively avoid these dangers.
4. The brake chamber of the air brake has a strong spring. Compressed air will lift the spring while driving. The handbrake is to let the air out and let the spring lock the brake. When the air pressure in the vehicle is too low, it also produces braking effect to ensure safety.
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