HYDRAULIC RAM

FIELD: hydraulic rams designed for moving of working members from one to other position. SUBSTANCE: hydraulic ram body accommodates two pistons rigidly secured to common rod with formation of hydraulic and pneumatic chambers. Hydraulic chamber formed by the second piston is communicated with hydraul...

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Bibliographische Detailangaben
Hauptverfasser: LADYGIN V.I, KONOVALOV A.V, BOL'SHAKOV A.N
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:FIELD: hydraulic rams designed for moving of working members from one to other position. SUBSTANCE: hydraulic ram body accommodates two pistons rigidly secured to common rod with formation of hydraulic and pneumatic chambers. Hydraulic chamber formed by the second piston is communicated with hydraulic pressure source by axiradial channel made in common rod. Pneumatic chambers are communicated with ambient atmosphere by holes. Ram cover has inlet hole for connection with hydraulic pressure source, Ram has at least one additional piston attached to common rod with formation of additional hydraulic and pneumatic chambers. All pistons are located in body for direct engagement with its internal wall over entire path of piston motion. Each pneumatic chamber is separated from next hydraulic chamber by airtight wall with central hole for passage of common rod. Holes for communication of pneumatic chambers with ambient atmosphere are made in ram body. EFFECT: increased total force on common rod. 2 cl, 2 dwg