JPS60165042U

JPS60165042U - Crusher

Info

Publication number: JPS60165042U
Application number: JP5289084U
Authority: JP
Inventors: 野坂　忠志; 石崎　泰郎; 西岡　章夫
Original assignee: バブコツク日立株式会社
Priority date: 1984-04-11
Filing date: 1984-04-11
Publication date: 1985-11-01

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図１は竪形玉形おしすりつぶし式石炭粉砕機の構造
を示す図、第１図２は第１図１のＡ−Ａ′断面図、第２
図１はこの考案の下部リングの直径方向に対して平行な
溝を設けた場合を示す図、第２図２はこの考案の下部リ
ングの直径方向に対して傾きをもつ溝を設けた場合を示
す図、第２図３は第２図１のＢ−Ｂ’断面図、第３図１
はこの考案の溝の深さ比と材料の疲労限度との関係を示
す図、第３図２はこの考案の溝の深さ比を説明する図、
第４図１はこの考案の下部リングの直径　　。方向に対して平行な溝および傾きをもつ溝の１実施例の
説明図、第４図２は第４図１のＣ−Ｃ’断面図、第５図
はこの考案の下部リングの直径方向　　−に対して平行
な円錐台半割型溝および傾きをもつ円錐台半割型溝の１
実施例の説明図、第６図１゜２．３はこの考案の溝の他
の実施例の断面図である。１・・・送炭管、２・・・石炭、３・・・下部リング、
４・・・上部リング、５・・・ミルボール、６・・・送
風管、７・・・ダンパ、８…分級器、９…ヒユーエルパ
イプ、１０・・・ホッパ、１１・・・凹面、１２，１２
’、１３．　　　　−１３’、１４，１５，１６・・・
溝、１７・・・石炭錫砕機本体、１８・・・駆動モータ
、１９・・・テーブル。第１図（１）Ｒ：３ＮＡ−Ａ’Ｉ！”４−　　貸Ｉ１第２図　　５（１）　　　　　　　　（２） −乙−Ｙ゛− 図　　　　　　Ｂ−Ｂ’断面　− （１）Fig. 1 1 is a diagram showing the structure of a vertical ball-shaped butt crushing type coal crusher, Fig. 1 2 is a sectional view taken along line A-A' in Fig. 1, and 2
Fig. 1 shows a case where a groove parallel to the diameter direction of the lower ring of this invention is provided, and Fig. 2 shows a case where a groove inclined with respect to the diameter direction of the lower ring of this invention is provided. The figure shown in Fig. 2 is a sectional view taken along line BB' in Fig.
is a diagram showing the relationship between the groove depth ratio of this invention and the fatigue limit of the material, FIG. 3 is a diagram explaining the groove depth ratio of this invention,
Figure 4 1 shows the diameter of the lower ring of this invention. An explanatory view of one embodiment of grooves parallel to the direction and grooves having an inclination, FIG. 4 2 is a sectional view taken along the line CC' of FIG. 4 1, and FIG. 5 is a diametrical direction of the lower ring of this invention. 1 of the truncated conical half-shaped groove parallel to the truncated conical half-shaped groove and the truncated conical half-shaped groove with an inclination
An explanatory view of the embodiment, FIG. 6 1.2.3 is a sectional view of another embodiment of the groove of this invention. 1... Coal pipe, 2... Coal, 3... Lower ring,
4... Upper ring, 5... Mill ball, 6... Air pipe, 7... Damper, 8... Classifier, 9... Fuel pipe, 10... Hopper, 11... Concave surface, 12 ,12
', 13. -13', 14, 15, 16...
groove, 17... coal tin crusher main body, 18... drive motor, 19... table. Figure 1 (1) R:3N A-A'I! "4- Ren I 1 Figure 2 5 (1) (2) -Otsu-Y゛- Figure B-B' cross section - (1)

Claims

[Scope of utility model registration request]

(1) A plurality of balls, an upper ring having a concave surface in the shape of a semicircular rotating surface with the same radius of curvature as the radius of the balls on the lower surface, and a concave surface in the shape of a semicircular rotating surface with the same radius of curvature as the radius of the balls. a lower ring on the upper surface of the pulverizer, which pulverizes a material to be crushed between the surfaces of the plurality of balls and the concave surface of the lower ring; A crusher characterized by providing grooves that are parallel or inclined to the diameter direction.

(2) The depth of the groove becomes gradually deeper from the inner circumferential side to the outer circumferential side of the lower ring, and the width of the groove becomes
The pulverizer according to claim 1, wherein the width of the lower ring is the same or gradually increases from the inner circumferential side to the outer circumferential side, and the bottom of the groove has a semicircular cross-sectional shape. Machine.