Drive arrangement is fixed to electric scooptram variable pump

The utility model belongs to mining machinery equipment field, concretely relates to drive arrangement is fixed to electric scooptram variable pump, toothed coupling in variable pump fixing device and NL type nylon, the variable pump passes through variable pump fixing device to be connected with the motor, and toothed coupling drove the work of variable pump in the motor passed through NL type nylon, and sealing device is equipped with in toothed coupling's splined connection department in variable pump and the NL type nylon. The utility model discloses a toothed coupling in the NL type nylon, the carry -over moment is big, long service life, low in manufacturing cost moreover, the dismouting is overhauld conveniently, has good economical and practical and worth, simultaneously, the variable pump can make the spline be in closed state with the sealing device of the interior toothed coupling's of NL type nylon splined connection department, and the inside lubricating oil of filling of spline during the instal