(57) Abstract Objective After stretching the outrigger automatically, the tankAs it is possible, to make ascent and descent do safely, configurationThe bi simple dump type powder granule cart is obtained cheaply. Constitution In dump hinge part 3 of hull rear section tilt possiblyThe tank the front part of 2 which is supported and the said tank 2 the above-mentioned tilt yesThe hoist cylinder 5 which ascent and descent it can point in talent and above-mentioned danpuhinBeing installed in hull lower part near ji section 3, the above-mentioned hoistIt extends to the port 12 of the cylinder 5, the side cylinder port branchingProviding with the outrigger 4 which is jointed, from pump 12Oil pressure with three way change-over valves 24 above-mentioned hoisutoshirinda extension side cylinder paw of 5 and the above-mentioned outrigger 4To shrinkage side cylinder port of to or the said outrigger 4To try to change and to supply, in addition, the said three way change-over valves 24Carry port N side and between drain tank 13 jointre te, immediately before the completing the drop of the above-mentioned tank 2 and immediately after the starting the riseWith the pass valve 26 which operates, the above-mentioned tank 2 dropFrom immediately before the completing to completion in the above-mentioned carry port N backing pressure departureMaking raise, it makes the above-mentioned outrigger contract 4.
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