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、油刹主要是在小型混凝土搅拌车中使用，但现在很多小型混凝土搅拌车也开始使用气刹，主要原因还是客户对于混凝土搅拌车行驶刹车中人身保障的需求所致。

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.

其次，小型混凝土搅拌车气刹和油刹的功能也不同：

Secondly, the functions of air brake and oil brake of small concrete mixer truck are also different

1、小型混凝土搅拌车油刹主要是只需要制动主泵、分泵器、油杯和连接管路。不需要其他辅助设备。气刹则要复杂得多；油刹反应速度稍慢、刹车柔和、力度小，气刹反应迅速、刹车粗暴、力度大（气压高，可以达到8个大气压）。

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、小型混凝土搅拌车气刹大都用在大中型重量型混凝土搅拌车上，车大有空间，制动力大，距离远，反应速度快，增加的成本体现在整车的比例上。主制动泵一般安装在制动踏板和轿底下面。制动泵前制动泵在前桥上，后制动弹簧缸在驱动车轮的桥上。

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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