SU1147604A1

SU1147604A1 - Device for control of gear-box friction clutches

Info

Publication number: SU1147604A1
Application number: SU823431864A
Authority: SU
Inventors: Александр Михайлович Статкевич; Георгий Александрович Таяновский; Владимир Федотович Чабан; Вячеслав Никитович Ксендзов
Original assignee: Белорусский Ордена Трудового Красного Знамени Политехнический Институт
Priority date: 1982-04-29
Filing date: 1982-04-29
Publication date: 1985-03-30

Abstract

УСТРОЙСТВО УПРАВЛЕНИЯ ФРИКЦИОНАМИ КОРОБКИ ПЕРЕДАЧ, содержащее источник давлени рабочей жидкости, соединенный гидролини ми с переливным клапаном, через гидрораспределитель - с гидроцилиндрами управлени фрикционами и через предохранительный клапан с гидробаком, при этом переливной клапан соедржит корпус с перегородкой, раздел ющей последний на две полости, в одной из которых размещен поршень механизма включени с обратным клапаном и дроссельным отверстием, шток которого кинематически св зан с педалью управлени главной муфты сцеплени , а в другой - порщень переливного клапана, св занный посредством первой пружины с поршнем механизма включени , отличающеес тем, что, с целью повыщени КПД устройства, переливной клапан снабжен штоком с буртиком, размещенным в отверстии перегородки, и второй и третьей пружинами, причем втора пружина установлена между поршнем переливного клапана и перегородкой, треть - между поршнем переливного клапана и концом штока, противоположного концу щтока i с буртом, а перва пружина установлена между буртом щтока и поршнем механиз (Л ма включени .THE CONTROL FRICTIONS CONTROL DEVICE OF THE TRANSMISSION, containing the source of pressure of the working fluid, connected by hydraulic lines to the overflow valve, through the hydraulic distributor to the hydraulic cylinders of the friction clutches and through the pressure relief valve with hydraulic tank one of which houses a piston of a switching mechanism with a check valve and a throttle bore, the stem of which is kinematically connected to the main control pedal the clutch of the overflow valve, connected by means of the first spring to the piston of the switching mechanism, is characterized in that, in order to increase the efficiency of the device, the overflow valve is equipped with a stem with a collar placed in the opening of the partition and second and third springs the second spring is installed between the overflow valve piston and the partition, a third between the overflow valve piston and the end of the rod opposite the end of the valve i with the shoulder, and the first spring is installed between the shoulder of the valve and the piston mechan of (L ma turn on.

Description

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Claims

GEARBOX FACTION CONTROL DEVICE, containing a source of working fluid pressure connected by hydraulic lines to an overflow valve, through a hydraulic distributor - to hydraulic clutch control cylinders and through a safety valve with a hydraulic tank, while the overflow valve connects the housing with a partition that divides the latter into two cavities, of which the piston of the switching mechanism with a check valve and a throttle bore is located, the rod of which is kinematically connected with the control pedal of the main coupling a piston of an overflow valve, connected by means of a first spring with a piston of a switching mechanism, characterized in that, in order to increase the efficiency of the device, the overflow valve is equipped with a rod with a shoulder located in the opening of the partition, and the second and third springs, the second the spring is installed between the overflow valve piston and the baffle, the third is between the overflow valve piston and the end of the rod opposite the stem end with the shoulder, and the first spring is installed between the stem shoulder and the piston of the mechanism Nia.

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