In some working cases, due to the short transportation distance of the automatic cement mixer, in order to quickly lift the boom of the mixer in place in a short distance, and the running speed of the whole machine is not fast, many machine operators will keep the brake disc of the mixer in a suffocating state. In fact, this will bring a lot of potential safety hazards to the mixer. Let's take a look at the details below.
Such suffocation will raise the temperature of the brake disc of the mixer truck. The brake disc temperature heats the brake oil through conduction and radiation, causing the brake oil to vaporize, resulting in the oil circuit of the brake system being cut off by gas, and the pressure cannot be transmitted in time. The clamp piston of the mixer truck is locked due to the "back pressure" of the air resistance, and the afterburner cylinder produces oil injection due to the "back pressure" of the air resistance. The hotter the vaporization is, the more serious the "back pressure" is, and the higher the friction temperature is, The more serious the fuel injection, the more wasted the brake oil.
When there is a lack of oil, failure to refuel and exhaust the brake system of the mixer in time leads to air entering the brake oil circuit, resulting in air resistance, brake failure and potential safety hazards. Therefore, higher requirements are put forward for the reliability of service braking, emergency braking and parking braking performance of the mixer truck.
In addition, if the driving of the mixer truck is weak, it is necessary to check whether the transmission meter is in the first gear position and whether there is pressure reduction. The reason for driving weakness is that the piston ring friction and wear increase in the first gear, which will lead to an increase in oil leakage, which will lead to driving weakness.
Another reason may be that the O-ring of the automatic cement mixer is damaged, resulting in the leakage of pressure oil. If it is found that the drive is weak due to the above reasons, you can take out the gearbox first, and then replace the piston ring and sealing ring inside.
The above are several potential safety hazards of the mixer truck. You need to pay attention to the above issues when operating and driving. There is no trivial matter in safety work. If you want to know more about the mixer truck, you can first pay attention to our official website http://www.sdzkjf.cn There are all kinds of mechanical equipment available for purchase.