Wing plow with rotatable floating connection

摘要

A wing plow assembly includes a mast including a support frame adapted for mounting to a chassis, a moldboard having a toe end and a heel end, and a moldboard connector assembly arranged with the moldboard and the mast to provide a rotatable floating connection between the moldboard and the mast such that the moldboard is rotatably movable over a range of travel between a plowing position and a range of tripped positions. The moldboard connector assembly includes a link arm pivotably mounted with respect to the support frame and a moldboard mount pivotably mounted to the moldboard adjacent the toe end of the moldboard. The link arm and the moldboard mount are pivotably connected to each other to permit relative rotation therebetween. The moldboard can pivot from a plowing position to a tripped position when a cutting edge of the moldboard strikes an obstruction.

主权项

1. A wing plow comprising:
a mast including a support frame adapted for mounting to a chassis; a moldboard having a toe end and a heel end; a moldboard connector assembly arranged with the moldboard and the mast to provide a rotatable floating connection between the moldboard and the mast such that the moldboard is rotatably movable over a range of travel between a plowing position and a range of tripped positions, the moldboard connector assembly including a link arm pivotably mounted with respect to the support frame and a moldboard mount pivotably mounted to the moldboard adjacent the toe end of the moldboard, the link arm being pivotably movable with respect to the support frame about a link arm pivot axis, and the link arm and the moldboard mount pivotably connected to each other to permit relative rotation therebetween about a plowing axis; a toe end lift assembly adapted to be mounted to the support frame and adapted to selectively move the toe end of the moldboard over a range of travel along the plowing axis between a plowing position and a stowed position, the toe end lift assembly being connected to the link arm such that the link arm is constrained from pivoting about the link arm pivot axis in a lowering direction beyond a lowered position but allowed to move in a lifting direction away from the lowered position, the lifting direction being in opposing relationship to the lowering direction.