首页>
外国专利>
ANORDNING FOER TILLDRAGNING OCH LOESANDE AV FAESTBULTAR FOER FAESTANDE AV ETT LOCK PAO ETT HOELJE, SPECIELLT VID EN PRIMAERPUMP I ETT KAERNKRAFTVERK.
ANORDNING FOER TILLDRAGNING OCH LOESANDE AV FAESTBULTAR FOER FAESTANDE AV ETT LOCK PAO ETT HOELJE, SPECIELLT VID EN PRIMAERPUMP I ETT KAERNKRAFTVERK.
展开▼
机译:拧紧和松开用于将盖子固定在盖子上的固定螺栓的设备,特别是在核电站的主泵上。
展开▼
页面导航
摘要
著录项
相似文献
摘要
The subject of the present invention is a machine for tightening and untightening bolts (4) for fixing a cover (2) on an enclosure (1). The machine comprises means (10) for centring on the cover (2), a ring (12) supported by the said centring means, means (20) for simultaneously prestressing several bolts, means (36) for screwing or unscrewing several bolts simultaneously, disengageable means for controlling, simultaneously or separately, the vertical movement of the prestressing means (20) and the screwing or unscrewing means (36), means for screwing or unscrewing a tightening nut on each bolt, integrated means (85) for storing all the bolts, and means (87) for handling the bolts. IMAGE
展开▼