HEARTH ROLL

According to the present invention, provided is a hearth roll, improving a coupling structure of a tube and a cover to prevent occurrence of damage due to a weak unit of the tube. The hearth roll comprises: a cylindrical tube coupled to a rotary shaft; and a cover installed at both upper ends of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, HYEONG JIN, SEO, GAB JIN, LEE, SEUK JUN, KIM, YOUNG WON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING CHEMISTRY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING KILNS LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	According to the present invention, provided is a hearth roll, improving a coupling structure of a tube and a cover to prevent occurrence of damage due to a weak unit of the tube. The hearth roll comprises: a cylindrical tube coupled to a rotary shaft; and a cover installed at both upper ends of the tube to fix the tube to the rotary shaft. The tube has an inner diameter entirely identical in the axial direction. Moreover, the cover has an outer diameter of which size corresponds to the inner diameter of the tube so as to be inserted and coupled to the inside of the upper ends of the tube. 허스롤의 튜브와 커버와의 결합구조를 개선하여, 튜브의 취약부로 인한 파손을 발생을 방지할 수 있도록, 회전샤프트에 결합되는 원통형 튜브, 및 상기 튜브의 양 선단에 설치되어 회전샤프트에 튜브를 고정하는 커버를 포함하고, 상기 튜브는 내경이 축방향을 따라 전체적으로 동일한 크기로 이루어지고, 상기 커버는 외경이 상기 튜브의 내경과 대응되는 크기로 이루어져 상기 튜브 선단에서 내부로 끼워져 결합되는 구조의 허스롤을 제공한다.