At present, there are air brake and oil brake in the brake operation system of small concrete mixer, so what's the difference between them? Let's continue to understand.
The characteristics of air brake and oil brake of small concrete mixer are different:
1. The oil brake of small concrete mixer is a series of special devices used on the mixer to make the outside (mainly the road surface) exert force on some parts of the vehicle (mainly the wheels), so as to carry out the degree of forced braking, which is collectively referred to as the braking system. Its brake stopping distance is long and the reaction is slow, but the structure is simple, the maintenance is convenient and the price is cheap. The air brake of concrete mixer truck is driven by oil pressure disc brake. The brake distance is short, the response is fast, the structure is complex, the maintenance cost is high, and the purchase cost is also high.
2. Oil brakes are mainly used in small concrete mixers, but now many small concrete mixers are also using air brakes. The main reason is the customer's demand for personal protection in the driving brake of concrete mixers.
The functions of air brake and oil brake of small concrete mixer are different:
1. The oil brake of small concrete mixer mainly requires only the main brake pump, distributor, oil cup and connecting pipe. No other auxiliary equipment is required. Air brake is much more complicated; The reaction speed of oil brake is slightly slow, the brake is soft, and the force is small. The air brake is fast, the brake is rough, and the force is large (the air pressure is high, which can reach 8 atmospheres).
2. The air brakes of small concrete mixers are mostly used on large and medium weight concrete mixers. The vehicles have large space, large braking force, long distance and fast reaction speed. The increased cost is reflected in the proportion of the whole vehicle. The main brake pump is generally installed under the brake pedal and car platform. The front brake pump is on the front axle, and the rear brake spring cylinder is on the axle driving the wheel.
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