?System configuration, after the above description can be found, the milling machine is more prone to failure of the two devices for the hydraulic clutch and transmission belt, therefore, in the construction of hydraulic control system, to focus on the hydraulic clutch clutch and transmission belt tension To control. In the hydraulic control system, mainly include the following devices: belt tensioning cylinder, accumulator, hydraulic clutch, pressure reducing valve (2), fuel tank, electromagnetic valve (2). In addition, it is necessary to set up four orifices in the system.
Working principle, when the open milling drum, the two electromagnetic valve will be powered at the same time, the two electromagnetic valve for the hydraulic clutch solenoid valve, belt tension control solenoid valve, power, the hydraulic oil will flow Through the belt tension control solenoid valve next to the orifice, belt tension relief valve, solenoid valve, and ultimately to achieve a slow tension transmission belt, at the same time, hydraulic oil will flow through the hydraulic clutch solenoid valve near the orifice, Hydraulic clutch pressure reducing valve, then, after the electromagnetic valve after the commutation, the hydraulic clutch to achieve the slow combination, and ultimately, to achieve the purpose of smooth operation of the belt..Road Repair Equipment
In the stop milling drum, the two electromagnetic valve at the same time power, in the spring force, the hydraulic clutch began to separate, hydraulic oil began to gradually return to the tank, then, will immediately cut off the power transmission; , The belt tension of the hydraulic oil will slowly return to the cylinder, but also to achieve a rapid cut off the power transmission, when the belt completely stopped, the belt will be in a relaxed state, in this process, the degree of belt wear Will greatly reduce the realization of the purpose of protecting the belt.
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