Adjustable crust breaking device

The utility model relates to a crust breaker of aluminium electrolysis production is used for strike, broken electrolyte crust so that go out aluminium or reinforced adjustable crust breaking device among concretely relates to aluminium electrolysis industrial production. Including installing the crust breaking cylinder in the electrolysis trough top, be fixed with the articulated joint on the piston rod of crust breaking cylinder, articulated joint and nut are articulated, crust breaking head hammer stem upper portion be provided with with nut complex threaded rod. Easy operation during adjustment crust breaking head, only needs one -man operation, does not need any auxiliary machinery just easily to accomplish, can adjust the height of crust breaking head according to shell face and electrolyte change at any time, avoid the crust breaking head to dip the electrolyte and cross and take an advanced study into the deliquescing of crust breaking head, wearing and tearing, consumption, prolong the life of crust