Since bucket elevator is in a continuous use, the work intensity is relatively high, so it is easy to appear various kinds of problems. It will affect the normal use, delay the production period. Henan Zhengzhou Mining Machinery Co., Ltd. has its own set of solutions in the maintenance of bucket elevator after many years of experience. Please kindly find the following.

One. Safety Regulations

1. Strictly forbid to open observation door, head cover, access door on the engine base when the bucket elevator running and to start the bucket elevator when the observation door, head cover, access door are open.

2. Shall ensure that the equipment power has been cut off and communicate with the central control room when open the access door to clean the materials.

3. Do not hand into the base; should use tools to dig the material to prevent the elevator making adult injury when reverse.

4. Emergency shutdown should be conducted to avoid the fire or dust explosion caused by the overheating of the belt, when the bucket belt slip  due to the blockage of the reasons.

5. The bucket belt should be fastened one time for each month to prevent damage to the equipment caused by fall down of the bolt. 

6. The replacement and tension of bucket belt should be completed by the experienced maintenance workers or under the guidance of experienced personnel.

Two. Operating maintenance procedure

1. In the process of operation, each shift should check a bottom bearing of main wheel and the temperature rise of speed reducer for one time, if touch 10 seconds and felt, it shows that temperature rise is too high, should find out the reasons, take corresponding measures such as add lubricating oil or clean bearing , reducers and so on.

2. Add the lubricating grease for the bottom bearing of main wheel monthly.

3. In the process of operation, observe carefully whether there is abnormal sound, the bucket belt is slipping or bearing and gear reducer is overheating.

4. New clothes bucket with each running two shifts (hoist load operation for more than 10 hours), adjust a base adjusting screw to tighten the belt; screw at the bottom end, cutting bucket with shortening the length and to tight

5. Clean the accumulation of materials in the machine base weekly one time per week.

6. Every time you open the head cover, should clean the material attached to the cover plate. The head cover should be cleaned 1 times at least per month.

7. Before shutdown, should stop feeding and running empty 3- 4 minutes until no material.

Three. Repair Procedures

1. Minor Repair: Elevator should be repaired one time for every six months, including the following:

a. Check whether the motor terminal box connecting wire is loose;

b. Check the loose situation of fastening bolts, the coupling head, the bucket, and replace the damaged bolts;

c. Check the wear pattern of main wheel, bottom round slip rubber (part of the elevator is), replace if necessary;

d. Clean residue on the prow, base and intermediate machine shell;

g. For the chain bucket elevator, it should clean the chain sprocket, chain wheel and examine the wear pattern, replace if necessary;

h. Replace the lubricating oil; Check and clean the air hole cover, replace if necessary;

J. Check the check thrust bearing and add lubricating oil, replace it and fixe the bolt;

2. Medium Repair; Medium repair should be carried out for each year, including the following:

a. Including all the contents of minor repair.

b. Check the wear patter of motor bearing, replace the bearing with severe wear, replace grease oil;

c. Check and clean the main wheel, a bottom wheel bearing and the bearing seat of bucket, replace worn serious bearing and the bearing seat, replace grease oil and a sealing ring;

d. Check the main wheel and the bottom wheel wear, if necessary, repair or replacement