How hydraulic crusher works？

• 19 May 2024
• 1130 times watched

Hydraulic crushers include single-cylinder and multi-cylinder cone crushers.The basic working principle of a hydraulic crusher is to convert the mechanical energy of the prime mover into the pressure energy of hydraulic oil through an oil pump, and then convert the pressure energy into impact energy for crushing.

The single cylinder cone crusher is represented by Metso GP series single cylinder cone crusher and Sandvik CH series single cylinder cone crusher.

When the single-cylinder cone crusher works, the motor drives the pinion of the crusher.The small gear drives the large gear, and the large gear assembly (Large gear, large gear carrier, eccentric steel sleeve) drives the eccentric sleeve assembly (Eccentric sleeve, eccentric copper sleeve) and the main shaft assembly (Spindle, moving cone, moving cone liner) to rotate around the theoretical vertical line inside the copper bushing.The main shaft assembly can rotate in the eccentric copper sleeve with the center line of the main shaft.When the machine is running empty, the eccentric sleeve assembly "holds" the spindle assembly and revolves with the large gear. After the material is added to the crushing cavity, the main shaft assembly (spindle, inner cone) slowly rotates in the eccentric copper sleeve under the resistance of the material.The inner trajectory of the cone appears to oscillate back and forth in the crushing cavity while rotating slowly.

Multi-cylinder cone crusher is represented by Metso HP series.

When the multi-cylinder cone crusher works, the moving cone makes a swinging movement along the inner surface. Near the fixed cone, the material is crushed by the extrusion and bending of the moving cone. Where it deviates from the moving cone, the broken material is removed The bottom of the cone drops, and the entire crushing and unloading process continues in sequence along the inner surface.The lock protection oil cylinder part is composed of a plurality of lock protection oil cylinders, an iron protection protective accumulator, a buffer accumulator group and pipes.The lock protection cylinder mainly plays the role of iron protection and cleaning of the crushing cavity. Every two hydraulic cylinders are equipped with a buffer accumulator. During normal crushing, it is used to absorb the shock of the adjusting ring caused by a small amount of hard material during buffering.In the hydraulic cone crusher, the single-cylinder hydraulic cone crusher is characterized by simple structure, few parts, beautiful appearance, convenient maintenance, and easy automatic control. However, because there is only one oil cylinder, the crushing force is slightly insufficient, and the star arm of the upper body is a weak link.Therefore, when crushing hard materials, sometimes it seems inadequate. In addition, because the adjustment method is based on the lifting of the moving cone, under uneven feeding conditions, the wear of the mortar wall is more uneven.