The present invention relates to a boom pivot structure of a high place operation vehicle for agriculture, comprising: a boom support protruding upward from a main body; a fixed frame rotatably coupled to the boom support; a boom that is joined to the fixed frame and stretched or contracted up or down while being unfolded or folded, wherein the fixed frame is coupled and fixed on an upper surface of the boom pivot structure and a rotary frame is provided to be rotated and coupled to the boom support through a bearing, and a cylinder and a piston rod are rotatably coupled to the rotary frame and the boom support respectively, thereby the rotary frame is rotated on the boom support so as to rotate the boom support according to an in-and-out movement of the piston rod in the cylinder.
본 발명은 농업용 고소작업차량의 붐대 선회구조에 관한 것으로서, 본체에 상향 돌출되게 형성되는 붐지지대와, 붐지지대에 회전가능하게 결합되는 고정프레임과, 고정프레임에 결합되어 상하로 펼쳐지거나 접히면서 신축되는 붐대를 포함하는 농업용 고소작업차량의 붐대 선회구조에 있어서, 그 상면에 붐대의 고정프레임이 결합 고정되고 붐지지대에 베어링을 매개로 회전가능하게 결합되는 회전프레임이 구비되고, 회전프레임과 붐지지대에 각각 회전가능하게 결합되는 실린더 및 피스톤로드가 구비되어, 실린더에서 피스톤로드가 출입됨에 따라 붐지지대에서 회전프레임을 회전시켜 붐대를 회전시키는 농업용 고소작업차량의 붐대 선회구조를 제공한다.
Boom swing structure of high place works vehicles
농업용 고소작업차량의 붐대 선회구조
2016-12-26
Patent
Electronic Resource
Korean
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / A01D Ernten , HARVESTING |
High controlling device of boom for high place working vehicles
European Patent Office | 2017
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