Prevent trailer fire on the axle to pay attention to these problems

Trailer is one of the frequently used models in transportation, which plays a vital role in the field of cargo transportation. However, as a heavy transport tool, there are many problems in the practical application of trailer. Axle fire is a very common one. Open the search engine, there are many cases about "axle fire of trailer".

Once the trailer axle catches fire, it often causes the tires to burn, and then the tarpaulin and cargo on the trailer will also be ignited, eventually leading to a fire in the whole vehicle. If the carriage is carrying inflammable and explosive goods, the consequences are even worse.

In general, the causes of trailer axle fire mainly include the following:

1. Camshaft clearance is too large.

If the clearance between the camshaft and the bearing hole is too large, it is easy to lead to abnormal contact friction between the brake shoe and the brake drum in the non-braking condition. Such friction for a long time will generate a large amount of heat energy in the brake drum, and eventually ignite the tire and cause a fire accident.

Therefore, the braking system of the vehicle must be maintained regularly, especially some used cars, after buying it must be checked, if it is found that the camshaft is seriously worn or the grease in the bushing is insufficient, it needs to be replaced in time.

In addition, the left and right sides of the camshaft can not be universal. When replacing the camshaft, we must confirm whether there is the phenomenon of wrong installation. Once wrong installation, it will lead to brake failure, which is also very dangerous.

2. Wheel hub maintenance is not timely.

The hub of the trailer is not timely maintenance is also one of the reasons for the axle fire, the oil inside the hub is reduced or deteriorated, the lubrication condition is poor, easy to lead to the temperature of the hub, the hub oil fire, and eventually lead to the trailer fire damage to the whole car.

But pay attention to, hub grease can not be added too much, otherwise it may also cause high temperature, must strictly follow the technical requirements.

3, bearing lubrication is poor.

When the bearing grease is exhausted and the lubrication effect becomes poor, excessive friction will lead to the temperature rise, so that the bearing cage is shifted, the bearing seat ring is worn and the bearing roller is decomposed. When the temperature rises high enough, it is easy to ignite residual grease, brake pad phenols and tires. Generally, the tire ignition point of a compliant trailer is 300 degrees. Once the temperature exceeds 300 degrees, the tire starts to burn, and then it will spread to the trailer and cargo.

4. Tire problems.

If the cause of the braking system can be ruled out, then the cause of the tire needs to be considered. When the trailer tire pressure is insufficient, the tire and the ground friction surface increase, the same will produce high heat. In addition, when individual tires burst, because there are other tire support load, the owner may not be easy to find the problem, if the tire is still rotating on the rim after the tire burst, or stuck towing, it will cause overheating combustion, causing trailer fire or other traffic accidents.

5. Braking for a long time.

On a long downhill road section, a long time of braking is easy to generate heat from friction between the brake shoe and the brake drum. If a reliable cooling scheme cannot be provided at this time, it is also easy to lead to an axle fire.

Thus it can be seen that the trailer braking system is a set of very complex structure, any small link problems, may lead to irretrievable huge losses. So the owners in daily use must do a good job of maintenance and maintenance, nip in the middle.

Now there are a wide variety of trailer axles on the market, the owner of the car must not be cheap to buy those "three without" products, after all, only the quality of the axles themselves pass, the subsequent use can be more assured. I recommend to you a trailer axle with more than 20 years of production experience -- DARO axle, whether disk, drum, low plate, three line six axle or special axle all cover, but also to figure customized, DARO axle passed the ISO9001 quality management system certification, use more reliable, more convenient, the key price is more affordable, Can allow the majority of car owners to spend less money on higher quality axles.

Finally, I will send you the safety knowledge shared by old drivers:

1, timely maintenance of the vehicle, especially the hub and brake these two parts, at the same time to strengthen the daily inspection of the vehicle, check whether the vehicle circuit aging or damage, timely replacement, maintenance.

2. Check whether there is oil leakage in each oil circuit, whether there is oil leakage in the valve chamber cover, crankshaft ventilator and other parts, clean up the oil stain on the engine, and repair the oil leakage place.

3. Equipped with a fire extinguisher, master the operation mode of the fire extinguisher, check the pressure pointer of the fire extinguisher in daily life, and find that the pressure is too low and need to be replaced.

4, put an end to fatigue driving, fatigue driving can be said to be a platitude of the problem, it is very harmful, when driving vehicles must not be tired driving.

5. Remember to buy vehicle spontaneous combustion insurance when buying vehicle insurance. If the vehicle spontaneous combustion occurs, the spontaneous combustion insurance can reduce losses.

6. Finally, when the trailer is on fire, save people first and then save things. Do not be obsessed with property.