吊装完成后要操作多路换向阀锁上锁钩，然后收回支腿。
When finish hoisting operate multiple directional value lock the hook, and then take back outrigger.
本实用新型提供了一种改良的液压多路换向阀，属于机械技 术领域。
The utility model provides an improved hydraulic multichannel conversion valve and belongs to the technical field of machinery.
在不操作多路换向阀手柄时，油泵排出的液压油经多路换向阀回到油箱。
When we don t operate the multiple directional value handle, the hydraulic oil that pump discharge back to oil box by multiple directional value.
装料：放下支腿，操作多路换向阀吊装料斗，料斗上车后吊链要处于松弛状态。
Loading: put down the outrigger, operate multiple directional value to hoist hopper, the chain hoist must be state of loose after hopper get on the vehicle.
其阀芯旋转驱动装置结构合理，密封性好，精度高，便于加工，适合多路换向阀。
The reversing driving device of the valve plug has the advantages of reasonable structure, good stopping property, high precision, easy to process, and suitable for the multi-channel conversion valve.
操作多路换向阀可分别控制摆臂油缸、支腿油缸或锁钩油缸的伸缩运动，完成吊装或卸料工作。
Operating multiple directional value can separately control the fore and aft motion of swing arm oil cylinder, outrigger oil cylinder or hook oil cylinder to finish working of hoisting or unloading.
通过操作在多路换向阀旁的油门手柄，可控制发动机的转速，从而调节系统的流量改变机构的工作速度。
Operating the engine-control handle, the engine speed can be controlled, then the flow of control system can change the operation speed of frame.
现有液压实验台可以做通用液压元件的实验，却不能满足特殊液压元件（如插装阀和多路换向阀）的测试。
The existing hydraulic test bench can test experiments of general hydraulic components while as can't test special hydraulic components(such as cartridge valves and multi-way directional valve).
现有液压实验台可以做通用液压元件的实验，却不能满足特殊液压元件（如插装阀和多路换向阀）的测试。
The existing hydraulic test bench can test experiments of general hydraulic components while as can't test special hydraulic components(such as cartridge valves and multi-way directional valve).
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