Malfunctions that occur during the use of the hoist

1. The manufacturer of the jet mill mentioned that there was an abnormal sound during the operation of the elevator

(1) The bottom plate of the bucket elevator base collides with the chain bucket. Adjust the tension device of the base to tighten the chain;

(2) The transmission shaft and driven shaft keys are loose, the sprocket is displaced, and the chain bucket collides with the casing. Adjust the position of the sprocket and tighten the key;

(3) Adjust the position of the guide plate when it collides with the chain bucket;

(4) There is material sandwiched between the guide plate and the chain bucket, and the material feeding angle of the enlarged machine base is enlarged;

(5) The bearing has malfunctioned and cannot operate flexibly. The bearing should be replaced;

(6) If material blocks or other foreign objects get stuck inside the machine base shell, stop the machine and remove the foreign objects;

(7) The tooth profile of the sprocket (transmission, driven sprocket) is not correct, correct the sprocket tooth profile or replace the sprocket;

(8) Poor tooth detachment between the transmission sprocket and the chain, correct the tooth profile of the transmission sprocket;

(9) Drive the chain to idle, adjust the chain length;

(10) Incorrect installation of the casing, adjust the verticality of the entire length of the casing.

2. The manufacturer of the air jet rice mill mentioned the vibration of the elevator motor base

(1) The motor itself rotates poorly. Remove the rotor to check the static balance;

(2) The installation accuracy of the reducer and the electric motor is poor, and the alignment exceeds the specifications. It needs to be readjusted;

(3) The installation accuracy of the motor base is insufficient, and the levelness exceeds the standard requirements. It needs to be readjusted;

(4) The installation of the transmission sprocket has errors and needs to be readjusted;

(5) Poor tooth profile of transmission sprocket, requiring correction of tooth profile;

(6) The tightness of the transmission sprocket is not appropriate and should be adjusted again.

3. The manufacturer of the air jet rice mill mentioned that the elevator is leaking dust

(1) The sealing gasket of the flange section of the entire casing is damaged or missing. Replace the gasket with a new one, apply sealant, and tighten the flange bolts again;

(2) The material leaks out from the gaps of the machine head and base, and sealing gaskets or sealant should be added;

(3) The height difference of the input materials is too large, which increases the feeding pressure. It is necessary to change the material input method and increase the feeding buffer device.

4. The manufacturer of the air jet rice mill said that the lifting capacity cannot meet the design capacity

(1) The material is bonded to the chain bucket and slider, and the material is regularly removed according to the degree of bonding;

(2) The front mechanical equipment of the hoist has insufficient capacity, resulting in a low amount of material input and the hoist cannot reach its design capacity. Efforts need to be made to improve the production capacity of the front equipment;

(3) Slow speed increase, need to change the speed ratio of the transmission sprocket;

(4) Improper material measurement method or measurement error, check the measuring instrument, verify the specific gravity of the material, and revise the calculation method.

5. The manufacturer of the air jet rice mill mentioned that the material discharge of the elevator is insufficient

(1) The mechanical equipment at the rear of the hoist has limited capacity, causing blockage of the discharge chute and increasing the production capacity of the mechanical equipment at the rear;

(2) The discharge chute is too small or the angle of the chute is not suitable, correct the discharge chute;

(3) The material adheres to the chain hopper and slider and needs to be removed regularly.