Road wrecker gas brake, gas brake, oil brake which is good?

When buying a wrecker, there are often salespeople who will ask you to choose the gas brake or the gas brake, or the oil brake, for people who know what it is not difficult, but if it is the first time to buy a wrecker, it is a little bad choice, but don't worry, as long as you read this article of Xiaobian, all the problems will be solved.

We usually see small cars generally use the oil brake, the wrecker is a special vehicle, the body is heavier than the small car, if the use of the oil brake brake effect is not very good, so the wrecker generally does not use the oil brake, below we will understand the characteristics of these brakes.

The first is the oil brake: the oil brake brake has a long braking distance and a slow response, but its structure is simple, it is convenient to maintain, and the price is relatively cheap. The oil brake is mainly used in small trucks and motorcycles, but there are also a lot of small trucks are also applicable to the air brake, which is mainly for the safety of the truck.

Air brake: The braking distance of the air brake is short, the response is fast, but its structure is more complex, the maintenance cost is relatively high, the purchase cost is high, the air brake and the air brake are generally used in large trucks, special vehicles, buses, semi-trailers and so on.

Air brake: The air brake is to let the high pressure gas top the brake pad (when there is no air, the brake pad is holding the brake drum), so the vehicle needs to start the vehicle before running, so that the gas is full, otherwise the vehicle can not move, Xiaobian often saw the semi-trailer started before a few minutes later.

What's the difference between an air brake and an air brake?

There is a big difference between the air brake and the ordinary air brake. Generally, the air brake is used on the heavy road wrecker. There are two differences between the two:

1. Parking brake is essentially different, the air brake is energy storage spring air brake, is a dynamic, and the ordinary air brake is a central disc brake, is a human type, the energy supply device of the two is different.

2. The ordinary airbrake parking brake can only be used in the stationary state of the vehicle, because its braking torque is acting on the drive shaft, if used in the driving process, it is very easy to cause serious overload of the drive shaft and rear axle, and may also occur because the differential is locked and the rotation direction of the left and right wheels is opposite, eventually leading to the vehicle running off or even turning around when braking. The air brake is different, because the parking brake stroke of the air brake is greater than the travel of the service brake, in the case of insufficient service brake power, energy storage spring can also be used to assist emergency braking. Therefore, the energy storage spring brake can not only be used as parking brake, but also as emergency brake. Therefore, compared with the air brake, the brake system is better in terms of braking stability and safety.

Therefore, the air brake is mostly used in special vehicles and heavy vehicles, the handbrake system of these vehicles is usually in a state of constant braking with a strong spring, when the vehicle is driving, the driver as long as the handbrake is released, the gas can be released, the vehicle can be driven.

Large road wrecker is best to install the air brake, so driving is still safe.