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为适应市场需求,在玉米收割机割台部位新增加一种割台阻塞保护装置:主要有割台传动轴,装配在割台传动轴上的链轮以及离合装置。离合装置包括左啮合齿圈、右啮合齿圈、弹簧和弹簧座;离合装置和链轮均设置在割台传动轴的中段;左啮合齿圈、右啮合齿圈和弹簧套装在割台传动轴上;左啮合齿圈有啮合齿的一端与右啮合齿圈有啮合齿的—端啮合,左啮合齿圈没有啮合齿的一端与链轮固定连接成一个整体且能在割台传动轴上空转,右啮合齿圈没有啮合齿的一端与固定设置在割台传动轴上的弹簧座之间设有弹簧;右啮合齿圈的中心设有键槽且与割台传动轴上的键传动配合。
In order to meet the market demand, a new type of header blockage protection device has been added to the header part of the corn harvester: the header transmission shaft, the sprocket mounted on the header transmission shaft, and the clutch device. The clutch device comprises a left meshing ring gear, a right meshing gear ring, a spring and a spring seat; the clutch device and the sprocket are both arranged in the middle of the header driving shaft; the left meshing ring gear, the right meshing gear ring and the spring sleeve are sheathed on the header driving shaft ; One end of the meshing teeth of the left meshing ring gear meshing with the meshing teeth of the right meshing ring gear, and one end of the left meshing ring gear without meshing teeth is fixedly connected with the sprocket and can idly rotate on the header driving shaft , A spring is arranged between one end of the right meshing ring gear without meshing teeth and a spring seat fixedly arranged on the power transmission shaft of the header, and a key groove is arranged in the center of the right meshing gear ring and is meshed with the key on the transmission shaft of the header.