What problems often occur when the cone crusher works, how to eliminate it?

Serial number

Fault phenomenon

Possible Causes

Elimination method

1

Oil pump heating

Oil thick or low oil temperature

Change oil or warm

2

Oil pump works but low oil pressure

1 suction pipe blockage

2 oil pump gear wear

3 pressure gauge is not allowed

Cleaning the oil pipe, replacing the oil pump or pressure gauge

3

The normal working pressure of the oil pump indicates normal but no oil return

1 return oil pipe plug

2 return oil pipe slope is small

3 oil viscosity or low temperature

Clean the return pipe, increase the slope, change the oil, and warm

4

No oil or oil flow interruption in the oil level indicator, oil pressure drop

1 tubing plug

2 low oil temperature

3 oil pump is not working properly

Cleaning the tubing system

Oil heating

Check repair pump

5

Reduced oil return and reduced oil in the fuel tank

1 there is a leak under the crusher

Oil department

2 rows of oil drains blocked oil

Leaking out of the seal

Stop inspection to eliminate oil leakage

Adjust the amount of oil, clean or deepen the drain

6

The cooler does not work or has little effect

1 no cooling water or insufficient water supply

2 cooling system blockage

Open the water gate, normal water supply, check the water pressure gauge, clean the cooler

7

Return oil temperature is too high (>60 ° C)

1The eccentric bushing friction surface produces harmful friction

2 bearing is not working properly

3 oil groove section is insufficient, blocked

Shutdown maintenance oil supply, cooling system friction surface, clean

8

There is oil in the water, there is water in the oil

1 cooling water pressure exceeds oil pressure

2The individual water pipes in the cooler are broken, and the water seeps into the oil.

The cooling water pressure was made lower than the oil pressure by 0.5 k/cm. , check if the cooler water pipe joint is leaking

9

The drive shaft rotates unevenly, the sound is not normal, the pulley rotates and the moving cone does not move.

1 The gear of the bevel gear is defective in installation, and the axial clearance of the transmission shaft is too large and worn or damaged during operation.

2 pulley or gear key damage

3 unbreakable causes the shaft to break

Stop gear change, correct the meshing clearance

Replace the spindle and strengthen the iron removal system

10

The crusher is strongly vibrated and the moving cone speed is increased.

1 Oil or no oil between the main shaft and the bushing

2 movable cone sinking or spherical bearing damage

3 tapered bushing clearance is small

Stop the inspection to find out the cause

Cleaning, refueling

Repair or replacement

Adjustment gap

11

Increased bulk broken products

Movable cone wear

Adjust the small discharge port; replace the bracket

12

Great vibration during work

Insufficient spring pressure, more fine particles and sticky materials, uneven feeding, insufficient spring elasticity

Press or replace the spring, adjust the feed to the mine

13

Hear the crack when turning

The lining (moving, fixed) is slack, the screws or earrings are damaged, and the lining is not tight and impacts.

Shutdown inspection repair or replacement

14

Water-free in the water seal

Water seal water supply pipe is not normal

Stop to find out the cause of the water supply interruption