Top-sheave for preventing bending leader of excavator

The present invention relates to a top-sheave for preventing a leader of an excavator, using a lever principle to the top-sheave of a leader to effectively disperse load transmitted to the leader to prevent the leader from being bent and providing a sufficient effect without using an existing back t...

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Bibliographische Detailangaben
Hauptverfasser:	NA, KYUNG WON, NA, CHOON SIK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	DREDGING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING
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Beschreibung
Zusammenfassung:	The present invention relates to a top-sheave for preventing a leader of an excavator, using a lever principle to the top-sheave of a leader to effectively disperse load transmitted to the leader to prevent the leader from being bent and providing a sufficient effect without using an existing back tension wire. 본 발명은 리더의 톱시브에 지렛대 원리를 적용하여 상기 리더에 전달되는 하중을 효과적으로 분산시켜 리더의 휨현상을 방지과 아울러 종래의 빽텐션와이어를 사용하지 않아도 충분한 효과를 기대할 수 있는 천공기의 리더 휨방지용 톱시브에 관한 것이다.