First of all, we must understand whether the seedlings for breeding are suitable for machine transplanting. Machine seedlings and seedlings should be raised according to the technical standards for paddy rice seedlings transplanted with floppy disks. The seedling age, seedling height, leaf age, and packing thickness all have certain requirements and must be suitable for machine insertion operations. , Robust, uniform and well-developed roots. Based on this, it is decided which kind of transplanter to buy based on the area to be worked. For the selection of rice transplanter, China's current large-volume stereotyped production models mainly use seats and walk-behind. The high work efficiency of the seated plane is strong, and it has strong adaptability to seedlings, but the price is high. According to the actual situation can be selected from the following aspects.
First, appearance quality inspection
Check the painting quality of the rice transplanter cover, the paint film does not fall off, and the paint film surface is shiny. Welded parts are solid and reliable, with no defects such as burn-through, open-welding, and burrs. The surface of the casting should be smooth and flat with no pores and trachoma. Technical information such as packing list, random tools, spare parts, instructions, etc. is complete.
Second, the purchase should be conducted before the trial operation
1. Before starting, add fuel and lubricating oil as required. Then, turn the working part to make the main clutch in the engaged state, the shift handle is set to neutral, slowly shake the engine, combined with the rice transplanter clutch, check the operation of the working part, and the phenomenon of stagnation of the planting arm should not appear to be qualified. When the diesel engine is running, there are no abnormal sounds such as knocking and rattling. The diesel engine is stable in speed, does not emit black smoke, and does not pump oil.
2. Pull the handle of the plug-in clutch to the off position, pull up the decompression handle, and when the handle is shaken, the hand sensing is easy and flexible. The sound of the fuel injection of the injector can be heard when the user shakes quickly. When the user shakes quickly, it can be quickly lowered. Decompression handle, diesel engine starts running. After the engine is running smoothly, the rice transplanter is idled for 10 minutes at a moderate speed, and is tested for 30 minutes with the transplanting speed and the walking speed.
Third, check for leaks
Check the engine air filter, cylinder block and cylinder head joint, etc. at the time of parking to prevent air leakage, no leakage of the engine oil sump, gearbox, working transmission box, chain box and other joint surfaces, the oil plug, planting arm, etc. There is no oil leakage.
Fourth, the inspection of other components
1. The steering wheel should be flexible and free strokes should be accurate.
2. The free travel of the pedals of the pedals should be correct. When the pedals are pressed down, the boat should be lifted with the hanging chain. When the pedals are released, the boat should be returned to the original position.
3. Each control mechanism is reliable in engagement. The gearbox and working transmission box are within the rated rotation speed. With the help of various gears of the clutch, the gears should be flexible and reliable. The pick-up is smooth, there is no phenomenon of unshifting, skipping, etc., and there are no sounds such as tooth-to-mouth.
4. The positioning clutch of the transplanting device should be accurate and reliable, and the correct position is: when pulling the positioning clutch of the inserting device, the planting arm should stop at the top of the cassette door. During the operation of the planting arm, it is not allowed to touch any related parts.
5. The reversing direction of the magazine is accurate. When the magazine moves to the left and right limit positions, the lateral displacement of the finger in the spiral groove stops and the reversing is completed. At the same time, the belt should be rotated a certain distance.
6. When the safety clutch is blocked, it should be separated automatically.
7. The depth and depth of the transplanting adjustment mechanism should be flexible. When the lifting bar rotates, the height of the chain box relative to the barge can be changed, thereby changing the height of the transplanting arm to achieve the purpose of adjusting the depth of the rice transplanter.
8. During the operation of the stock holding organization, we can see if the planting arm has not pushed the phenomenon. When you stop the rotation, hold the pusher in your hand and turn it from left to right. If the pusher swings right or left with abnormal noise, it means that the group of arms is not qualified.
After the above checks, if the indicators meet the requirements, the quality of the rice transplanter is reliable. In addition, seedlings planted with pots and pans have not yet had a good work tool and should be purchased with caution.
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