Nut dismouting device is pushed down to short stress line rolling mill

The utility model relates to a nut dismouting device is pushed down to short stress line rolling mill, including last sleeve pipe (1), rocking arm (2), case (4) and group round pin (5), go up rocking arm (2) of the competent setting of sleeve pipe (1) wall connection, go up sleeve pipe (1) outer wall and case (4) inner wall spiro union, key (3) are connected to intermural still being equipped with in going up sleeve pipe (1) outer wall and case (4), round pin (5) is dialled to case (4) outer wall vertical being provided with in pairs, the hole site of stirring that is equipped with above dialling the distribution position of round pin (5) and pushing down the nut is put correspondingly. The utility model has the advantages of having overcome and having pushed down not convenient to detach not enough of nut on the short stress line rolling mill, above -mentioned structure makes the case and dials the round pin to be changed conveniently, and the practicality is stronger, just can be used for several kinds of d