A kind of dismounting device for blast furnace mud gun rotary oil cylinder pin shaft

Abstract

The utility model relates to a kind of for blast furnace mud gun rotary oil cylinder pin shaft's dismounting device, belong to metallurgical equipment maintenance tool technical field.Techinical scheme is: two strip holes (7) and two threaded holes (8) are equipped on pressing plate (1), two strip holes (7) are arranged between two threaded holes (8), the strip hole (7) of pressing plate (1) corresponds with the fixed hole of pin shaft (9), and pressing plate is fixedly connected with pin shaft by fixed bolt (2) sequentially passing through strip hole and fixed hole;The outer thread matched with threaded hole (8) is equipped on the screw rod of jackscrew bolt (3), and jackscrew bolt (3) is threadedly connected with pressing plate;The bottom of jackscrew bolt is hemispherical structure (4), jackscrew bolt passes through threaded hole, and the hemispherical structure of bottom is in contact with upper connecting plate (10).The utility model uses the jackscrew bolt with bottom hemispherical, significantly reduces frictional resistance, simple structure, single person can operate, and dismounting efficiency is high, and quick and safe dismounting can be realized.

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