Common 22 kinds of faults in rice transplanter and their elimination
(1) Causes of poor standing or floating seedlings: The seedling seedbed has too much or too little water; the depth of the transplanting seedling is improperly adjusted; the topsoil of the paddy field is too soft or too soft;
Eliminating method: In addition to adopting corresponding measures, the speed of transplanting can be slowed down, and the non-riding transplanter can also press the handle down.
2. The number of strains of *** strains is more than 3-5 strains per *** scale. ***An important reason for the high number of plants: Excessive moisture in the seedbed; inappropriate adjustment of the amount of earthworms. Corresponding measures should be adopted to solve it.
3, after inserting the seedlings, the seedlings are scattered, and the cause is: the pusher pushes out the small stroke; the seedbed is dry or the moisture is too large; the seedling sheet and the seedling sheet joint are not tightly fitted; the paddy field topsoil is too soft or too soft.
Elimination method: In addition to adopting relative measures, the speed of transplanting can be reduced, the claws can be replaced, the liquid can be cleared, or the guide groove can be exchanged.
4. The leakage rate of motorized rice transplanter exceeding the standard should not exceed 0.5%. The main reasons for leakage are: Miao field sowing is not uniform; seedlings arched or seedlings stuck card; take the mouth with a lot of debris; seedlings disk wide to cause vertical delivery difficulties.
Elimination method: re-arrangement of seedlings or cut seedlings into scale width; remove debris seedlings; exchange density uneven seedlings.
5. Reasons for uneven seedlings in each row: The water content of the seedbed soil is inconsistent; the adjustment of the rows of picking needles is inconsistent; the inconsistent feeding of the vertical feeding strains will also make the rows uneven.
Elimination method: In addition to adopting corresponding measures to solve the problem, some transplanters can adjust the feeding roller one by one, so that each vertical feeding stroke is 11-12mm.
6. Reasons for accumulating at the fontanelle: The claws are worn out and the seedlings cannot be fully taken; the jaws have two sharp edges and the jaws are too narrow or wide apart; the seedlings are too thick and the seed bed has a thickness of 2.5-3cm.
Elimination method: The interval between new claws or claws should be changed in time.
7. The reason why the amount of yam is too small is: Take loosening bolts loose; the lower hole of the pendulum rod and the connecting rod shaft are worn out.
Elimination method: re-adjust the amount of hydrazine and tighten the adjustment bolts; replace the swing rod and connecting rod shaft.
8, clip seedling causes: respectively, the tip of the needle wear; needles were upturned; platen groove grinding depth; push wearer wear; guide sleeve wear; push spring spring break; fork and cam wear.
Elimination method: replace wear parts.
9. Reasons for inconsistency between rows: Causes of wear of the fork of the planting arm, fork shaft, push cam, etc. are inconsistent; each chain box is not at the same level.
Elimination method: First calibrate each chain box on the same level, and then replace worn parts.
10. Reasons for failure of insertion depth adjustment: slide bars produced by lifting bars or lifting nuts; large grinding holes for fixing pins; broken pins for rectangular tube fixing pins.
Eliminating method: replace lifting rod, nut or pin; welding fixing pin seat.
11, respectively, touch the needle door reason: dislocation of the fontanelle; planting arm is not properly installed; planting arm crank bore wear; the needle was upturned; to take the amount of the volume adjustment agent is too large; swing rod shaft or lower hole wear.
Elimination method: reset the fontanelle and fix it; adjust the planting arm to an accurate position; replace the worn crank or chain shaft; calibrate or exchange the needles respectively; exchange the swing rod or the swing rod shaft and bearing;
12. The reason why a certain group of planting arms do not work is that the chain box drive shaft is broken; the chain is out of stock or broken.
Elimination method: Connect the chain; replace the drive shaft.
13. Reasons for the change of the trunk: the wear of the slider or the chute; loosening of the fixed bolts at both ends of the door; deformation of the door; lifting too high;
Eliminating method: first replace the wheel and screw, and then check the slider chute, if serious wear, should be exchanged; set the door fixing screw; if the door wear, can add a rectangular gasket; lift is too high, with Lift the handle and lift the front end with a new bumper.
14. Causes of non-working: The pin or screw shaft is worn out; the sliding sleeve fixing bolt is missing.
Elimination method: Open the working gear cover, replace the finger pin or screw shaft; if the slide sleeve fixing bolt is missing, it should be re-installed.
15. Send the file to raise the back end too high Cause: The rubber buffer block is missing or damaged.
Elimination method: Pick up the front end of the lifter with a screwdriver and install a new bumper.
16. The reason why the reciprocating tooth shaft does not rotate is that: the feeding ratchet wheel wire pin is detached; the ratchet wheel notch is worn; the pawl or torsion spring is detached; and the reciprocating tooth shaft is axially moved.
Elimination method: first look at the ratchet, pawl and torsion spring is intact, if damaged or fall off, should be exchanged; and then toggle the delivery screw, if the ratchet wheel rotation and the delivery shaft does not turn, clarify the wire pin off, the steel wire pin installed complex.
17. The reason for the small rotation angle of the feed shaft is that the peach wheel and the feed cam wear badly.
Elimination method: Open the working gear cover and replace the new one.
18. The reason why the feeding shaft does not work is that the positioning key of the peach wheel is damaged or missing; the peach shaped wheel is stuck with the feeding cam; the feeding cam wire pin is broken or missing.
Eliminating method: If the two cards are in phase, it is caused by the wear of the shuttlecock and the peach-shaped wheel. The delivery cam or the peach-shaped wheel can be unloaded. The working surface is smashed into a smooth arc surface with a guillotine. The severe wear should be exchanged; If the key or pin is damaged, replace it with a new one.
19. Reasons for the intermittent operation of the squeezing shaft: The peach-shaped circulatory spring or the squeezing-convex circulatory position spring has weak spring force, so that the peach-shaped wheel or the delivery cam can not return.
Elimination method: Open the working gearbox cover, remove the two return springs, replace the new return spring.
20, positioning clutch handle stuck reason: After the cam wear, with the adjustment nut stuck.
Elimination method: Remove the cams and use a grinding wheel or file to grind the cam surface into a smooth arc.
21. The main clutch is not completely caused by reasons: the friction plate and the pulley are bonded; the positioning screw is loose, causing the clutch pin to fall off; the clutch pin is seriously worn.
Elimination method: remove the pulley assembly, make the adhesive part off, use the sandpaper to polish the friction plate saw, replace the clutch pin; tighten the set screw.
22, positioning clutches are not complete reasons: adjustment nut adjustment improperly; respectively pin and adjust the nut sliding buckle; clutch teeth embedded on the positioning convex edge wear; tension spring broken (application fork positioning clutch). Inspection method: Open the positioning cover separately, check whether the adjusting nut is in accurate position, whether the adjusting nut and the pin are respectively sliding, whether the extension spring is broken. If there is no title and then remove the power output shaft assembly, check the state of the teeth with the positioning flange.
Elimination method: adjust the adjusting nut to the exact position; pin or adjust the nut sliding buckle respectively should be exchanged; exchange the tension spring; if the positioning convex along the wear, the teeth can be meshed face grinding to about 0.5mm; severe wear should be exchanged.
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