Fashioned repacking bucket device is once excavated in trapezoidal ditch

The utility model belongs to the technical field of airport construction engineering drainage ditch slot excavation, in order to solve the problem that current trapezoidal bucket can not directly apply to the excavation construction of variable cross section trapezoid -shaped trench groove, provide a fashioned repacking bucket device is once excavated in trapezoidal ditch, including bucket and the dipper that is connected, the both sides face of bucket can be dismantled and be connected with adjustable pterygoid lamina device, and adjustable pterygoid lamina device is including additional pterygoid lamina and extension pterygoid lamina, and additional pterygoid lamina and extension pterygoid lamina are on a parallel with ditch slot cross section orientation setting, additional pterygoid lamina is the isosceles right -angle triangle -shaped structure, and the hypotenuse concatenation of the perpendicular connection in bucket side, extension pterygoid lamina and additional pterygoid lamina is hugged closely to