Novel three-plunger reciprocating pump filler adjusting special spanner

The utility model discloses a novel three-plunger reciprocating pump filler adjusting special spanner. The special spanner comprises a handle (1), a spring positioning screw (2), a reset spring (3), a fixing pin (4), an arc-shaped supporting seat (5) and a cylindrical boss (6), and is characterized in that the three-plunger reciprocating pump filler adjusting special tool is of an L-shaped structure, wherein the arc-shape supporting seat (5) with length of 15-20 mm is designed on the bottom of the handle (1); a through hole is formed in the middle cylindrical boss (6) to be matched with the fixing pin (4) and the reset spring (3); the spring positioning screw (2) is arranged on the cylindrical boss (6) to position the fixing pin (4) and the reset spring (3) in the through hole. The special spanner is convenient to operate and is safe and reliable, the labor intensity of site operators is reduced, the working efficiency and the management level are improved, and the special spanner has higher economic benefici