The present invention relates to a manual and electric chain block comprising: a chain block body installed in a state that a block body equipped with a holding hook is arranged in an upper part, a sprocket whereon an operation chain is held is axially installed in a front side of the central shaft installed in a center part of the block body, and a traction chain having a traction hook is wound on a rear side of the central shaft; an internal gear plate, a ring-shaped plate having gear teeth on an inner circumference, fixed on a front surface of the sprocket; a front cover plate fixed while being separated from a front side of the block body at a predetermined interval, being in contact with a front surface of the internal gear plate while a plurality of balls are installed on a rear surface to be movable in a ring-shape, and having a driving gear penetration hole bored in a lower part of a center and guide shafts and adjustment nuts fixed on both left and right sides of a front surface; a conversion adjustment plate having a motor head penetration hole bored in a lower part of a center, slots bored on both left and right sides such that the guide shafts of the front cover plate can penetrate, and conversion bolts vertically connected to both left and right side surfaces vertically moved in accordance with the fastening or loosening of the conversion bolts thread-coupled to the adjustment nuts; and a motor fixed on a front surface of the conversion adjustment plate wherein a driving gear installed in the shaft is positioned inside the internal gear plate through the motor head penetration hole and the driving gear penetration hole to be engaged with or loosened from the internal gear plate in accordance with the vertical movement of the conversion adjustment plate. The present invention allows a worker to easily perform a lifting work on the ground.

    본 발명은 상부에 계지후크가 연결설치된 블럭몸체가 구비되고 블럭몸체의 중심부에 설치된 중심축의 전방에는 작동체인이 걸려지는 스프로킷이 축설되며 중심축의 후방에는 견인후크가 구비된 견인체인이 권취된 상태로 연결설치되는 체인블럭본체와, 내주면에 기어이가 형성된 링형상의 판으로 스프로킷의 전면에 고정설치되는 내치기어판과, 블럭몸체의 전방에 일정간격 이격되게 고정설치되며 후면에는 링형상으로 복수개의 볼이 유동되게 설치되면서 내치기어판의 전면과 맞닿아 있고 가운데부분 하부에는 구동기어관통홀이 천공되며 전면 좌우양측에는 가이드축과 조절너트가 고정설치된 전면커버판과, 가운데부분 하부에 모터헤드관통홀이 천공되고 좌우양측에는 장공이 천공되어 있어 전면커버판의 가이드축이 관통개재되며 좌우양측면에는 전환볼트가 수직으로 연결설치되어 있어 조절너트에 나사체결되면서 전환볼트를 풀거나 조임에 따라 상하이동되는 전환조절판과, 상기 전환조절판의 전면에 고정설치되고 축에 설치된 구동기어가 모터헤드관통홀과 구동기어관통홀을 통해 내치기어판의 내측에 위치되면서 전환조절판의 상하이동에 따라 내치기어판에 기어물림되거나 기어물림해제되는 구동모터로 구성된 것을 특징으로 하는 수동 겸용 전동체인블럭에 관한 것이다.


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    Titel :

    AN MANUAL AND ELECTRIC CHAIN BLOCK


    Weitere Titelangaben:

    수동 겸용 전동체인블럭


    Beteiligte:
    MAENG DA HAE (Autor:in)

    Erscheinungsdatum :

    26.02.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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