| 摘要 |
PURPOSE: A grader for a tractor is provided to prevent the transfer of an impact caused by advancing to a car body by connecting to the backside, and to connect a grader to a tractor rapidly by using an exclusive connector. CONSTITUTION: The grader(140) for a tractor comprises a main grader body, a central hinge unit(141) formed in the rear center of the main body, a rod connection formed on right and left sides, and a pair of hydraulic cylinders(142) connected to each rod connection. Wherein a horizontal frame(110) is composed of horizontal members and vertical members, and provided with a vertical end to connect a rod(132) of a main cylinder(131) extended from a tractor and a vertical bar(114) having a connecting pin(115) to be fixed to right and left fastening pieces(133) of a tractor(130), a vertical frame(120) is composed of horizontal members and vertical members and provided with an ending member formed in the middle of the horizontal member, a center connector(125) formed to the inside of the ending member and a cylinder connecting piece(124) formed on the rear outer side, and a center connector(125) is connected to a central hinge unit of the main grader body.
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