POWER HYDROCYLINDER WITH MECHANICAL FIXATION OF THE STOCK Russian patent published in 2017 - IPC F15B15/26 

FIELD: machine engineering.

SUBSTANCE: hydraulic cylinder contains a housing 1 with covers 2, inside which, with the formation of working cavities 3, 4, a piston 7 with a rod 8 is mounted, seals 24 of the working cavities 3, 4 interacting with the rod 8 are arranged, and fluid supply channels 5, 6 are provided, and also a mechanism for fixing the rod 8 to the housing 1 with the spherical locks 9 installed in the radial holes 10 of the rod 8 to extend into the recesses 11 of the cover 2 of the housing 1 located along the rod 8 formed with the axial channel in which the spring- 12 of the locking mechanism having a groove 20 for applying its edges to the clamps 9 and provided with an end pusher provided with two control chambers 18, 19, connected channels 16, 17 to the different working cavities 3, 4 of the housing 1.

EFFECT: providing automatic fixing of the rod of the power cylinder with pressure reduction, increase of the permissible load on the fixed rod, simplification of the design.

7 cl, 3 dwg