Provided are a control valve, a derricking cylinder and a working method thereof, and an aerial work platform, relating to the field of aerial work. The control valve of the derricking cylinder includes a first balance valve provided on the oil circuit between the first port G and the second port F, and a second balance valve provided on the oil circuit between the third port H and the fourth port E; and a switch valve in series with the first balance valve is further provided on the oil circuit between the first port G and the second port F.
CONTROL VALVE, DERRICKING CYLINDER AND WORKING METHOD THEREOF, AERIAL WORK PLATFORM
STEUERUNGSVENTIL, WIPPZYLINDER UND ARBEITSVERFAHREN DAVON, LUFTARBEITSPLATTFORM
SOUPAPE DE COMMANDE, CYLINDRE DE RELEVAGE ET SON PROCÉDÉ DE FONCTIONNEMENT, PLATEFORME DE TRAVAIL AÉRIENNE
2023-05-10
Patent
Electronic Resource
English
IPC: | F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
CONTROL VALVE, DERRICKING CYLINDER AND WORKING METHOD THEREOF, AERIAL WORK PLATFORM
European Patent Office | 2021
|CONTROL VALVE, DERRICKING CYLINDER AND WORKING METHOD THEREOF, AERIAL WORK PLATFORM
European Patent Office | 2021
|CONTROL VALVE DERRICKING CYLINDER AND WORKING METHOD THEREOF AERIAL WORK PLATFORM
European Patent Office | 2021
|European Patent Office | 2022
|CONTROL VALVE DERRICKING CYLINDER AND WORKING METHOD THEREOF AERIAL WORK PLATFORM
European Patent Office | 2021