The plant spacing of rice transplanter is mainly controlled by the forward speed, so to adjust the plant spacing, it is necessary to control the forward speed. Under the condition of constant frequency, if the speed of rice transplanter is accelerated, the plant spacing will increase, on the contrary, the plant spacing will decrease. When the speed of the transplanter is in the second gear, the plant spacing is about 12 cm; When the speed is first gear, the plant spacing is about 10cm. Hi gear is transport gear, and the last one is neutral, which can stop the machine. 1、 Adjustment method of plant spacing of rice transplanter plant spacing is mainly controlled by forward speed. If the frequency of the transplanter remains unchanged and the forward speed is accelerated, the plant spacing will increase, otherwise it will decrease. Generally, there are four gears, first gear and N gear are seedling transplanting gear. When the forward speed is 1.94 ㎞ / h, the plant spacing is generally about 12 cm; When the forward speed is 1.57 ㎞ / h, the plant spacing is generally about 10cm; Hi gear is the transportation gear, and the forward speed is about 8.2 ㎞ / h. When the speed change handle is in this gear, the power transmission of the output shaft will be cut off automatically and the operation of each working mechanism will stop; The last one is the neutral position. The power of walking is cut off and the rice transplanter stops moving. The power output shaft can still transmit power to the working mechanism through the clutch, and can test run the rice transplanter when it is stopped. 2、 Composition of rice transplanter 1. Seedling box: its main function is to carry seedlings and cooperate with seedling delivery mechanism and sub transplanting mechanism to complete seedling delivery and sub transplanting. It is mainly composed of box, box frame, seedling door and seedling brush.
2. Sub transplanting mechanism: it is the main working part of rice transplanter, which is composed of seedling picker, its driving mechanism and trajectory control mechanism.
3. Frame: it is the foundation for the installation of all parts and mechanisms of the transplanter. It is required to be rigid and light.
4. Traveling device: responsible for the forward and backward of the machine. （ShuiDaoChaYangJiZhuJuDeDiaoZhengFangFa）