1. The oil brake of small concrete mixer truck is a series of special devices used to make the outside (mainly the road surface) exert force on some parts of the truck (mainly the wheels), so as to force the truck to a certain extent, which is collectively referred to as the braking system. It has long stopping distance and slow response, but it has simple structure, convenient maintenance and low price. The air brake of concrete mixer truck uses hydraulic disc brake and hydraulic transmission brake, which has short braking distance, fast response, complex structure, high maintenance cost and high purchase cost.
2. Oil brake is mainly used in small concrete mixer, but now many small concrete mixer also start to use air brake, the main reason is the customer's demand for personal protection in the running brake of concrete mixer.
Secondly, the functions of air brake and oil brake of small concrete mixer truck are also different
1. The oil brake of small concrete mixer only needs to brake the main pump, sub pump, oil cup and connecting pipeline. No other auxiliary equipment is required. Air brake is much more complicated; The reaction speed of oil brake is a little slow, the brake is soft, and the force is small. The reaction speed of 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 brake of small concrete mixer truck is mostly used in large and medium-sized concrete mixer truck, which has large space, large braking force, long distance, fast reaction speed, and 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 bottom. The front brake pump is on the front axle, and the rear brake spring cylinder is on the axle driving the wheels.
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