For an ordinary person who does not have special knowledge in the field of automotive technology, the device of the car will seem very complicated, but nevertheless it is possible to understand and study it, in this article we will talk about KamAZ, and more precisely - about the device of the brake system. The KAMAZ brake system is a complex mechanism that we will try to understand a little today.
As in any car, a car’s device consists of such main parts: a control system for electrical equipment and an engine, a running gear and a transmission, a body and an engine. So, the KamAZ brake system, we consider in more detail.
The brake system of this car consists of 5 brake circuits. The device of the KamAZ car: pumping compressed air, the compressor is the main part of the system. From the drive to the remaining parts of the brake drive, cleaned compressed air comes under pressure. The part of the drive that feeds consists of a condensation receiver, a fuse so that the condensate does not freeze, a pressure regulator and a compressor. The KAMAZ brake system is divided into circuits that are autonomous and are separated by protective valves. Regardless of the failure, each of them works separately.
The first circuit consists of different brake mechanisms, pipelines and hoses, 2 brake chambers, the lower section of the brake valve, there is also a valve that monitors the control output, a pressure limiting valve. There is a two-pointer pressure gauge and a receiver with a capacity of 20 liters, which has a pressure drop sensor.
The second circuit is the brake circuit of the rear bogie. It also consists of pipelines and hoses, brake mechanisms of the rear and intermediate axles of the trolley, 4 brake chambers, in this circuit there is a two-pointer pressure gauge and a valve for the control output of automatic brake forces. The truck’s braking device also has a receiver with pressure sensors, there are special taps with a total capacity of forty liters for condensate drainage, as well as parts of the 3rd safety valve and the upper section of the brake valve.
The third circuit is a circuit with a combined trailer brake drive. It consists of a two-wire drive of the trailer and sensor brakes, 3 connecting heads and uncoupling cranes, has a trailer brake control valve with a drive in one wire, there is a single protective valve. The third circuit has an accelerator as well as a double safety valve and other mechanisms.
The fourth circuit does not have its own receiver and is an element of the auxiliary brake system. It consists of hoses and pipelines, a lever actuator cylinder that stops the engine, a pneumoelectric sensor. It has 2 damper actuator cylinders, part of a double protection valve, as well as a pneumatic valve.
The fifth circuit does not have its own receiver; it is an emergency brake circuit. It consists of pipelines and hoses, part of the 3rd protective valve, and has a pneumatic valve of a double-line bypass valve. Three highways connect the brake drives (pneumatic) of the trailer and the KamAZ vehicle. This is a single-wire drive line that feeds and the brake line of a two-wire drive. Protects a 20 liter condensation receiver from freezing on all KamAZ models.
The KAMAZ brake system is quite complicated, but we tried to briefly consider its main principles.