Oil tank sample thief

The utility model discloses an oil tank sample thief relates to sampling technical field. The utility model discloses a sampling hose, jar with valve, pontoon, hinge branch, stay cord, sampling case, one side of leaning on the sampling case in the pontoon bottom is fixed to the upper end of stay cord, its lower extreme is connected with the upper end of cutting with scissors branch, be fixed with the extension board on the sampling nest of tubes in stretching into the oil tank, the lower extreme of hinge branch is articulated with the lower extreme of extension board, the stay cord is the isosceles triangle structure with hinge branch in the oil tank, this isosceles triangle is vertical be in the oil tank the center and with the sampling pipe histotope of sampling case in same vertical face, the sampling hose is laid with hinge branch is fixed along wire rope, the sampling case and bag are drawn together the jar and are put through sampling valve and oil pump with valve, switching valve, sampling valve, oil pump, check valve, switching valve export respectively through the tee bend. The sampling nest of tubes feeds through through tee bend and sampling valve and oil pump entry with valve, switching valve through the entry jar, and gen fa is irritated with the oil tank intercommunication through the check valve oil return to oily delivery side of pump. Its simple structure, easy, the labour saving and time saving of sampling need not air supply, energy saving and consumption reduction, and the maintenance of being convenient for is changed.