Fault Causes and Countermeasures:
One of the main issues during transplanting is the difficulty in handling the topsoil, which leads to poor seedling posture and even flooding. This can be resolved by ensuring proper watering of the seedling box to maintain adequate moisture levels. Additionally, improper depth regulation during planting may cause the transplanting depth to be too shallow or too deep. Adjusting the depth mechanism and applying appropriate downward pressure on the planting fork can help improve this.
Another common problem is insufficient moisture in the seedling box, which can lead to weak seedlings. Regular watering of the seedling box and careful adjustment of the interplanting forks are essential. Malfunction or deformation of the planting fork, as well as gaps between the needles and the rice fields, can also affect performance. These issues should be addressed by inspecting and replacing damaged parts.
Insufficient water in the paddy field can result in poor seedling establishment. To solve this, water should be properly distributed in the field, and the transplanting speed should be adjusted accordingly. If the seedlings are buried too deep, it can hinder their growth. In such cases, drying the seedling box and adjusting the sowing process for the large needles may help.
The number of holes drilled by the planting needles must be carefully controlled to avoid over-planting or under-planting. Uneven seedling density and arching of the seedlings are also common problems. Ensuring proper seedling adjustment, consistent moisture levels, and correct seedling alignment can help prevent these issues.
Root wrapping, seedling misalignment, and seedling picking up due to faulty mechanisms can all reduce transplanting efficiency. It's important to check the seedling box for wear and deformation, and to ensure that the roots are properly wrapped and fed.
Excessive moisture in the seedling box can lead to root rot, so drying the box and maintaining a balanced water supply is crucial. Seedling misalignment and uneven distribution can be corrected by releasing the pressure device, watering the seedling box, and ensuring the roots are fully covered.
Asymmetrical seedlings, inconsistent moisture content, and poorly adjusted seedlings can all impact the success of the transplanting process. Proper adjustment of the seedling frame, tightness of the fixing pin, and tightening of the nut for the crank are necessary.
Issues with the depth adjustment of the three-row system, inconsistencies in the floating plate rear fixed racks, and improper hydraulic valve settings can also affect performance. Checking and adjusting the drive wheel, floating plate, and hydraulic wires can resolve these problems.
Loose main belt, slow insertion, and poor plugging can lead to inefficient operation. Ensuring proper tension on the main belt and checking the hydraulic valve adjustments are key steps.
Lastly, if the width of the seedling bun exceeds that of the seedling box, it can cause vertical vibration. Correcting the size and ensuring smooth movement will help maintain stability during the transplanting process.
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