| 摘要 |
FIELD: power industry. ^ SUBSTANCE: hydraulic actuator contains piston with rod located in housing and forming working cavities, end plates, multiple rolling-contact bearings of piston and rods, rolling elements of rolling-contact bearings of piston and rods made as helical springs and located in grooves along the whole perimetre of hydraulic actuator piston and rod; outer radius of each helical spring coil in rolling plane of hydraulic actuator is equal to cartridge radius for piston coupling and to infinity for rod coupling. ^ EFFECT: reliability improvement and operability assurance for hydraulic actuator. ^ 5 dwg |
