Equipment operation a week on a maintenance, give priority to with operator, mechanic match.Cut off the power supply first, and then perform maintenance work
Maintenance content and requirements
1. Stop every week
1. Check the stop: the action to be flexible and reliable
2. Review and adjustment: when the hook up first limit position, hook enclosure should be the distance to the drum shell > 50 m
3. Check and adjustment: when the hook to the limit position, should guarantee the wire rope on the circle tube has more than three circles
The safety of the number of turns
4. Check whether beams at the ends of the buffer or baffle and reliable, strong.
5. Run institutions stroke limiter is reliable and effective.
2 motors and brake on a weekly basis
1. The main motor noise without exception when hoisting
2. Check the blades brake wheel and axle to move, normal running should be around 2 mm
3. Inspection, test, adjustment: with rated load test, load decline after braking distance: 80 mm or higher
4. The cart motor running there is no abnormal noise or smell
5. The motor mounting bolts are loose?
A week 3 wire rope
1. Check: wire rope on the drum should correctly, can not have loose, mess around, and so on and so forth
2. Look for broken wire rope (yes, record the number of broken wires) note: when a number of broken wire in wire rope reach or exceed 11 root, the wire rope should be replaced
3. Check on the surface of the steel wire rope wear, corrosion;Note: the surface of wire rope wear, corrosion amount more than 30%, should replace the wire rope
4. Check: wire rope with bending and deformation should be replaced
5. Check: embedded block installation is firm.
Four hook Once a week
1. The presence of cracks
2. Dangerous section erosion rate (wear is the size of the original 10% or higher)
3. Is (is the size of the original size of 15% or higher)
4. Reverse deformation or 10 °
5. Dangerous section or hook neck should not produce plastic deformation note: one of the above situation, should replace the hook
5 electrical weekly
1. Check the power cord and control cable should be no wear and tear
2. Good grounding
3. A connection of electrical contact without loose, fall off, etc
4. Check the action buttons, each function button work
Six other monthly
1. Visual inspection: shape shell, cover, or other parts
2. No abnormal sound or smell during operation (3) the examination of the cleaning, cleaning, fastening: screw, nut of each joint.
