TECHNICAL SOLUTION FOR CONTROLLING AND DRIVING THE LATCH RAM
The invention relates to a control and drive electrohydraulic system by which a hydraulic motor can be supplied with two pressure values, said hydraulic motor moving the latch ram, as a component of a machine for charging/discharging fuel in a CANDU reactor. According to the invention, the system co...
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Sprache: | eng ; rum |
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Zusammenfassung: | The invention relates to a control and drive electrohydraulic system by which a hydraulic motor can be supplied with two pressure values, said hydraulic motor moving the latch ram, as a component of a machine for charging/discharging fuel in a CANDU reactor. According to the invention, the system comprises a control electrohydraulic block consisting of electrohydraulic equipments necessary to drive the latch ram with different values of the motion force, namely: a distributor (SV 4.2), some valves (PRV 4.1/4.2), a second distributor (SV 4.1) and a flow rate regulator (FRV 1), the components of the control block being mounted on a distributor plate of stainless steel wherethrough technological channels are made in order to make the connection between the electro-hydraulic equipments, thereby supplying with oil the hydraulic motor of the ram latch.
Invenţia se referă la un sistem electrohidraulic de comandă şi acţionare, prin care se poate alimenta, cu două valori de presiune, un motor hidraulic ce deplasează un cilindru împingător zăvor, componentă a unei maşini de încărcat/descărcat combustibil al unui reactor CANDU. Sistemul conform invenţiei cuprinde un bloc electrohidraulic de comandă, alcătuit din echipamente electrohidraulice necesare acţionării cilindrului împingător zăvor cu valori diferite ale forţei de deplasare, şi anume: un distribuitor (SV 4.2), nişte supape (PRV 4.1/4.2), un al doilea distribuitor (SV 4.1) şi un regulator de debit (FRV 1), componentele blocului de comandă fiind montate pe o placă de distribuţie din oţel inoxidabil, prin care sunt realizate canale tehnologice, pentru a face legătura între echipamentele electrohidraulice, alimentând astfel cu ulei motorul hidraulic aferent cilindrului împingător zăvor. |
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