ELECTROPNEUMATIC CONTROL SYSTEM OF VEHICLE GEARBOX GEARSHIFT MECHANISM
transport engineering. SUBSTANCE: proposed system has two three- position double-acting pneumatic cylinders. Rods of pneumatic cylinders are provided with zero setters and are coupled with gearbox gearshift mechanism. System includes also four two-position spool-type pneumatic distributors and eight...
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Zusammenfassung: | transport engineering. SUBSTANCE: proposed system has two three- position double-acting pneumatic cylinders. Rods of pneumatic cylinders are provided with zero setters and are coupled with gearbox gearshift mechanism. System includes also four two-position spool-type pneumatic distributors and eight indirect-action electropneumatic valves installed in pairs for shifting spools of corresponding pneumatic distributors into extreme position for connecting spaces of corresponding pneumatic cylinders either with pressure main line or with atmosphere. Control member is made for automatic de-energizing of windings of electropneumatic valves after completion of gear-shifting. EFFECT: simple and reliable design, improved accuracy of gear-shifting. 3 cl, 1 tbl, 3 dwg |
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