JPH0361938U

JPH0361938U -

Info

Publication number: JPH0361938U
Application number: JP12290889U
Authority: JP
Priority date: 1989-10-20
Filing date: 1989-10-20
Publication date: 1991-06-18

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の断面図、第２図は
第１図の−方向の矢視図、第３図は第１図の
シヤツクルを離脱した状態を示す断面図、第４図
は従来の圧下装置の一例を示す断面図、第５図は
第４図の−方向から見たシヤツクルとフツク
との係合状態を拡大して示す矢視図、第６図は第
５図のシヤツクルを離脱した状態を示す作動説明
図である。図中、２……回転テーブル、３……粉砕ローラ
、４……ブラケツト、６……テンシヨンロツド、
７……圧下シリンダ、９……シヤツクル、１０…
…フツク、１０ａ……係合溝部、１１……ピン、
１５……フツクステイ、１６……スペーサ、Ｓ…
…シヤツクルの内部空間、……隙間を示す。 Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a view taken in the - direction of Fig. 1, Fig. 3 is a sectional view showing the state in which the shackle shown in Fig. 1 is removed, and Fig. 4 is a sectional view of an embodiment of the present invention. 5 is a sectional view showing an example of a conventional lowering device, FIG. 5 is an enlarged view showing the engaged state of the shackle and hook as seen from the - direction in FIG. 4, and FIG. FIG. 6 is an explanatory view of the operation showing a state in which the shackle is removed. In the figure, 2...Rotary table, 3...Crushing roller, 4...Bracket, 6...Tension rod,
7... Reduction cylinder, 9... Shackle, 10...
...Hook, 10a...Engagement groove, 11...Pin,
15...Hook stay, 16...Spacer, S...
... indicates the internal space of the shell, ... the gap.

Claims

[Scope of utility model registration request]

A hook having an engagement groove is provided protrudingly on the bracket that supports the crushing roller, and a U-shaped shackle, which is rotatably supported on the tip of the tension rod, is detachably engaged in the engagement groove of the hook, and the tension rod is In a crushing roller lowering device for a vertical roller mill, the crushing roller is lowered onto a rotary table by pulling the crushing roller downward,
The rod is fixed to the hook and the bracket, and is interposed in the internal space of the shackle with a minimum clearance between it and the tension rod necessary for the shackle to engage and disengage from the engagement groove of the hook when the shackle is engaged. A grinding roller reduction device for a vertical roller mill, characterized in that the grinding roller reduction device for a vertical roller mill is equipped with a hookstay that is attached to the shaft, and a spacer that is inserted into the gap between the hookstay and the tip of the tension rod to fill the gap when the shaft is engaged.