The present invention relates to a hook of a ceiling crane seismic apparatus, which press a roller (7) with a spring by relying on a flange (9) fixed to a building so as to maintain a required gap of a hook (2) in an emergency. According to the invention, in a slewing structure in which the circumference of the flange (9) of the structure installed in a cylindrical building has a tolerance of bending, preliminary spacing required for the flange (9) to which the hook (2) of one body is opposed is maintained by pushing the roller (7) against the flange (9) with a pressing force of the spring (1) compensating for the tolerance.
본 발명은 천정크레인 내진장치의 갈고리에 관한 것으로 건물에 고정된 플랜지(9)를 의지하여 스프링으로 롤러(7)를 압박하여서 갈고리(2)의 비상시에 필요한 간격을 유지하게 되는 것이다.
Spring Device of Earthquake-proof Hook
내진 갈고리의 스프링장치
2020-03-02
Patent
Elektronische Ressource
Koreanisch
IPC: | B66C Krane , CRANES |