What about emergency brake failure of semi trailer?

Brake failure is a very scary existence in the use of vehicles. For example, the notorious "Tesla brake door" incident recently made many car owners terrified. For semi-trailers that often transport heavy goods, brake failure is equal to disaster. When a fully loaded vehicle suddenly fails to brake at high speed, the consequences are often fatal, and the car crash and death are not exaggerated.

But the perfect semi trailer, why can suddenly brake failure in the driving? The reasons are mainly as follows:

1, do not pay attention to the daily repair and maintenance of the brake system, can not find the problems of the brake system in time, such as brake pump impurities too much, seal lax, brake master cylinder oil shortage, wheel cylinder piston and cylinder tube wear or strain, brake shoe friction plate contact is poor, brake oil is too dirty or oil leakage, affecting vehicle braking;

2. The maintenance of the braking system is not standard, which leads to the existence of air in the braking system, such as mixed brake oil leading to the appearance of air resistance after heating;

3, improper operation leads to mechanical failure, such as long downhill road conditions simply rely on and continuous use of the brake system, so that the brake pad friction heat generation, brake hub carbonization and even brake function completely failure;

4, the use of vehicles is not standard, such as serious overload, under the action of gravity acceleration, increase the inertia of vehicle motion, directly lead to brake failure.

Of course, there are many specific reasons for the failure of the braking system, which are not listed here. In a word, we should pay more attention to the maintenance of the braking system at ordinary times, and maintain it in strict accordance with the use specifications. Even if the problem is found, we should send it to repair in time.

If the vehicle in the driving, found brake system failure, such as brake failure, how to deal with to avoid traffic accidents? The following is a collection of veteran drivers experience and advice for your reference.

1, the vehicle driving in the curve or downhill, even if there is no need to brake, but also to step on the brake, so that the brake performance can be tested at any time, but also can help the owner in the case of brake failure to obtain more time to control the speed, not in an emergency to find the brake failure.

2, if the vehicle driving on the straight road, found that the brake failure, the driver should pay attention to the oil, control the steering wheel, to see if the high-speed gear into the low speed. If the gearbox is difficult to open and close due to too fast speed, you can try the "two-foot throttle shift", step on the throttle, improve the engine speed, and then back to neutral, step on the throttle again, and hang into the low speed gear. After the speed drops, with the handbrake brake, do not pull too dead, do not pull too slow, slowly stop the vehicle, and open the emergency signal light in time.

3, if the vehicle is driving on the flat curve, if there is still a distance from the corner, according to the straight road processing; If it is close to the curve, make full use of the bumper, car and other rigid parts of the vehicle and the roadside natural obstacles (rocks, trees, soil slope) friction, collision, to reach the purpose of forced stop escape, as far as possible to reduce accident losses.

4, if the vehicle braking failure on the way up the hill, should be timely reduced into low gear, so that the vehicle to maintain enough power to drive up the top of the hill, and then timely pull the handbrake, the vehicle immediately get off with stones, wood and other things stuck wheels, to avoid slipping.

5, if the vehicle is on the way downhill, the speed is not too fast, you can try to brake slowly with the handbrake, pay attention not to pull too fast too dead, otherwise it is likely to break the handbrake system into a greater dilemma.

If the handbrake does not see the effect, it is necessary to try to grab a gear, using the above mentioned "two-foot throttle shift", change into low speed gear, with the handbrake, the vehicle will stop.

If you fail to grab a gear, you should find solid obstacles on the roadside in time, such as rocks, trees, soil slopes, hold the steering wheel, and use one side of the body to achieve deceleration.

If there is no friction parking obstacles on the roadside, and the speed is getting faster and faster, the driver should always pay attention to the siren, remind vehicles and pedestrians to avoid, and then find a soft beach, fields, etc., the car will be forced to stop. If an emergency platform is designed on the road, the vehicle can be driven to the platform for hedging.

It can be seen that once the semi-trailer brake failure occurs during transportation, whether it is flat or uphill, the risk factor is super high. Even if there are some experiences that can be used for reference, no one can guarantee the actual operation effect. In contrast, it is more reliable to do a good job of daily maintenance, nip in the bud.

Under normal circumstances, the braking of semi-trailer is to rely on the brake pad on the trailer axle to grab the brake drum, or the caliper clamp the brake disc, so as to produce friction, to achieve the braking effect, the material thickness, strength, wear resistance, thermal attenuation, wear, output stable line and so on are key indicators. Therefore, it is very important to choose a qualified trailer axle.

DARO trailer axle was born in Liangshan commercial vehicle production base, entered the market in 2001, has a history of 21 years, its brake drum and brake disc are selected with higher thickness of integrated high-strength alloy material, after thermal conditioning treatment, stronger, more wear-resistant, higher heat capacity, efficient heat dissipation, not easy to become soft or deformed, with less wear friction plate. Friction performance is more stable, durable, more stable output, fully avoid stuck, stop, partial wear. DARO has a wide range of products such as disc axle, drum axle, low flat axle, three-line six-axle axle and special axle, and can provide customized services for special sizes.