Boom swing structure of high place works vehicles

摘要

The present invention relates to a boom pivot structure of an agricultural high work vehicle, and more particularly, to a boom pivot structure for an agricultural high work vehicle, which comprises a boom support member protruding upward from a main body, a fixed frame rotatably coupled to the boom support member, The boom pivot structure of the agricultural heavy duty working vehicle includes a boom frame having a boom frame fixed to the boom frame and a rotatable frame rotatably coupled to the boom frame through bearings, The boom pivot structure of the agricultural high-demand work vehicle is provided with a cylinder and a piston rod rotatably coupled to the boom support so as to rotate the boom frame by rotating the boom support frame as the piston rod moves in and out of the cylinder.