FIELD: automotive industry.
SUBSTANCE: tractor-trailer train consists of tractor trailer with rear suspension mechanism and tipping tractor trailer comprising dolly with gooseneck and frame supporting tipping platform. Said platform is driven by hydraulic jack, in its turn, driven by tractor-trailer hydraulic system. Trailer dolly accommodates plunger pump with rod pivoted to trailer gooseneck with the help of bellcrank. One of pump inner chambers sucks working fluid from oil tank and feeds it into aforesaid hydraulic jack with angular gooseneck motion in trailer vertical plane. With said gooseneck in extreme top position, another chamber of aforesaid pump serves to discharge working fluid from hydraulic jack into oil tank.
EFFECT: higher reliability of hydraulic drives and trailer.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TRAILER | 2004 |
|
RU2276643C1 |
| DUMP TRUCK | 2018 |
|
RU2684205C1 |
| DUMPER TRAILER | 2010 |
|
RU2424132C1 |
| TRAILER | 2017 |
|
RU2652716C1 |
| TRAILING VEHICLE | 2002 |
|
RU2232099C1 |
| TIPPING TWO-AXLE SEMITRAILER | 2008 |
|
RU2376162C1 |
| TRAILER | 2015 |
|
RU2604363C1 |
| TOWED VEHICLE | 2007 |
|
RU2340505C1 |
| FULL TRAILER | 2009 |
|
RU2397905C1 |
| TWO-AXLE TRAILER | 2005 |
|
RU2284942C1 |
