hydraulic control device in hydraulic system for a work machine, such as a press for processing material of any kind, in particular, for the work of mr. u043eu0436u043du0438u0446 for cutting scrap

摘要

the invention relates to a hydraulic control device in hydraulic system for working machine such as a press for processing material of any kind in particular, thefor the work of the scissors for scrap metal.the device allows u0434u0435u043cu043fu0444u0438u0440u043eu0432u0430u0442u044c strike and combines the accelerated the compensation of load and the use of a u0433u0438u0434u0440u0430u0432u043bu0438u0447u0435u0441u043a hydraulic environment wow master cylinder for movement of the other.according to the invention the device includes hydraulic means for hydraulic cylinder for preliminary control the first major u043au043bu0430u043fu0430u043du043du044bu043c element (2.4).0), the second major u043au043bu0430u043fu0430u043du043du044bu043c element (2.7.0) and the third major u043au043bu0430u043fu0430u043du043du044bu043c element (3.7.0), which functionally combined, and a fourth valve (2.5).the application was published, together with the report on the international market.