Speciality Analysis Of The Three-Cylinder Continuous Hydraulic Turbocharger

The hydraulic turbocharger is a kind of hydraulic amplifiers. It is used to boost pressure in hydraulic systems. In a hydraulic system with low pressure, when only a part of it needs high pressure, you can choose the hydraulic turbocharger to boost pressure of this part instead of a single high pressure pump. It can not only simplify the hydraulic system, but also save the cost and energy doing like this.The traditional continuous hydraulic turbochargers can be continuous boosting pressure. Because it used the directional control valves to keep the double-acting supercharger cylinder moving back and forth. But there are some disadvantages that using the directional control valves. For a hydraulic turbocharger with the digital directional control valve, if it worked too long that the temperature of the digital coils would rise. The function of the valve might be influenced, and the temperature of the hydraulic oil would rise, worse we even needed to stop the hydraulic turbocharger to drop the temperature. For a hydraulic turbocharger with the hydraulic directional control valve, the oil paths is complex, so it will be more difficult to design and make this kind of hydraulic turbocharger. So this paper studied a new kind of three-cylinder hydraulic turbocharger, it could be continuous boosting pressure without the directional control valves.This paper studied the construction and working principle of the three-cylinder hydraulic turbocharger, explained why it could be continuous boosting pressure without the directional control valves. The dynamic model of the three-cylinder hydraulic turbocharger was built based on ADAMS. The dynamic simulaton was done based on the dynamic model. On the basis of the simulated results, this paper analysed the forces of two joints include the pistons and the cylinder and the swing plate, the swashplate and the sliding solid, whose construction members were slided with each other, and force were large. It is useful to optimize the design of the turbochargers. The hydraulic system model of the three-cylinder hydraulic turbocharger was built based on AMESim. The hydraulic simulaton was done based on the hydraulic system model. This paper analysed the oil pressure and the flow rate of the turbocharger’s outlet, and summarized the boosting pressure speciality of the three-cylinder hydraulic turbocharger. Then the structural parameters which might influence the turbocharger’s boosting pressure speciality were gotten by computing and analyzing. It simulated the models with different structural parameters, then got the the reasonable turbocharger’s structural parameters.