MODULAR/RECONFIGURABLE SYSTEM FOR DETERMINING THE DYNAMICAL CHARACTERISTICS OF HYDRAULIC DEVICES AND HYDRAULIC TRANSMISSION SYSTEMS

摘要

The invention relates to a modular/reconfigurable system for determining the dynamical characteristics of hydraulic devices and hydraulic transmission systems, of statistical and dynamical functional characteristics of various hydraulic/mechatronic aggregates, those of sonic type, included. According to the invention, the system comprises a stand of gauge and shape adjustable to the size and stroke of the equipment to be tested, which comprises a chassis () which is also a cabinet for spare parts and accessories, two guide columns () arranged in plane at 45°, position which makes accessible the mounting of the equipments to be tested and transducers, two fixed planes () which fix the maximal gauge size at 2000 mm and ensure the rigidity of the system, a mobile plane () which slides on two guide columns () and which allows the attachment on a face of the aggregate to be tested, and on the other face of the load simulators, a semi-mobile plane () which allows the adaptation of the gauge size to the various sizes of the testing equipment-load simulator assembly, a system () of hydraulic conduits by means of which there are carried out the links between the hydraulic generators within the laboratory, both with the hydraulic aggregate to be tested and with the load simulator and an electrohydraulic simulating system of the desired constant shape and size, constant on direction, linear, sinusoidal and of other desired shape for linear displacements, the system comprising a hydraulic cylinder assisted by a servo-valve for flow rate or pressure, and in case of rotary motions by a hydraulic motor assisted by the same type of servo-valve.