1, the possible human fault of the HP300 conical crusher

The upper bushing of the moving cone is worn seriously by the spherical tile, which results in the falling of the inner wall of the upper sleeve of the moving cone (commonly known as the copper sleeve) and blocking the oil channel of the spherical tile, which makes the crusher vibrate strongly when it is in operation.

The fixed cone can not be taken out normally with the adjusting ring, which can not be replaced normally, and the fixed cone lining plate can not be replaced in time for the crusher to replace the wear-resistant parts in time.

2, analysis of the cause of human fault in the HP300 cone crusher

The inner wall of the bushing on the moving cone is worn. The moving cone is smoothly seated on the spherical tile supported by the spherical tile frame, and the lower part is close to the counterweight fixed on the eccentric sleeve (the counterweight is also covered by a pair of covers). Due to the lack of inspection by the operators, the serious wear of the auxiliary cover wall could not be found in time, resulting in the crusher directly impacting the external wall of the counterweight, further loosening the auxiliary cover and the counterweight fixed screw, falling off and so on. As a direct result, the dynamic cone can not be balanced, which leads to serious wear of the upper cone sleeve of the moving cone by the outer surface of the spherical tile, resulting in a strong vibration of the crusher.

The fixed cone can not be rotated normally with the adjusting ring. There are screws on the fixed cone outer diameter, which are supported in the adjusting ring by meshing with the heavy grade thread in the adjusting ring. The fixed cone in the adjusting ring can be rotated counterclockwise or clockwise, which can be adjusted up and down in order to adjust the size of feed port and discharge port, and is used to replace the moving and fixed cone lining board regularly. In actual operation. Because the running time is too long, the normal wear of the fixed cone liner is larger. The iron remover on the HP300 crusher’s feed belt machine can’t suck out the large cast iron in time (such as excavator bucket teeth etc.) and the operator does not find the manual detection in time and enters directly. When entering the crusher, the overiron protection of the crusher can not work, and can only be forced to be squeezed by the crusher, so that the bulge of the fixed lining plate in the part of the overcast iron can not be removed because of the bulging of the fixed lining plate in the part of the overcast iron.

Click View Cone crusher parts Introduction

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