The invention discloses a hydraulic system of a three-way piling car. The hydraulic system comprises an oil tank. A gear pump guides hydraulic oil into an oil inlet P of a multi-way valve through theoil outlet end. The multi-way valve comprises a lifting reversing valve, a lateral movement reversing valve and a rotating reversing valve. An oil port B1 of the lifting reversing valve is connected with a lifting oil cylinder. Oil ports A2 and B2 of the lateral movement reversing valve are connected with oil ports V2 and V1 of a lateral movement hydraulic motor valve set correspondingly. Oil ports A3 and B3 of the rotating reversing valve are connected with oil ports V2 and V1 of a rotating hydraulic motor valve set correspondingly. The meso-position functions of the lateral movement reversing valve and the rotating reversing valve are the type Y. According to the hydraulic system of the three-way piling car, the functions of lifting, lateral movement and rotating of the three-way pilingcar can be achieved, meanwhile, the hydraulic motor valve set has the structure which can achieve two-way overflowing and locks fork heads in a free state, precision, stability and safety during forklift piling are effectively increased, and the hydraulic system is quite worthy of popularization.
本发明公开了一种三向堆垛车的液压系统,包括油箱,所述齿轮泵通过出油端将液压油导入多路阀的进油口P,所述多路阀包括升降换向阀、侧移换向阀和旋转换向阀,所述升降换向阀油口B1与起升油缸相连,所述侧移换向阀油口A2、B2分别与侧移液压马达阀组的油口V2、V1相连,所述旋转换向阀油口A3、B3分别与旋转液压马达阀组的油口V2、V1相连,所述侧移换向阀和旋转换向阀的中位机能为Y型。本发明提供了三向堆垛车的液压系统,既可以实现三向堆垛车升降、侧移和旋转的功能,同时液压马达阀组具有双向溢流和对自由状态的叉头进行锁止的结构,有效增加了叉车堆垛时的精确性、稳定性和安全性,非常值得推广。
Hydraulic system of three-way piling car
一种三向堆垛车的液压系统
17.04.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | 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 / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein |