The grating cover fixing device for the oil tank comprises a hasp plate fixedly connected to a grating cover, the hasp plate is arranged at the midpoint of the other side opposite to the hinged side of the grating cover, and a notch is formed in the side edge, away from the grating cover, of the hasp plate; a first base plate is arranged at the position, corresponding to the notch in the hasp plate, of the deck of the ship body, an eyelet bolt capable of being clamped into the notch is hinged to the first base plate, and a butterfly nut is arranged on the eyelet bolt in a sleeved mode. The overall weight is reduced, the structure is simple, on-site manufacturing is facilitated, and good anti-vibration and insulation protection performance is achieved; in addition, universality is good, and the fixing device is suitable for fixing grating covers of various positions and sizes.
本发明提出了一种用于油舱的格栅盖固定装置,包括固定连接于格栅盖上的搭扣板,搭扣板设置于相对于格栅盖铰接侧的另一侧中点,搭扣板远离格栅盖的侧边开设有缺口;船体甲板上对应搭扣板上缺口的位置设有第一垫板,第一垫板上铰接有能够卡入缺口的活节螺栓,活节螺栓上套设有蝶形螺母。本发明减少了整体重量、结构简单、便于现场制作,具备较好的防振动及绝缘防护性能;另外通用性良好,适用各种位置、尺寸格栅盖的固定。
Grating cover fixing device for oil tank
一种用于油舱的格栅盖固定装置
2023-05-02
Patent
Electronic Resource
Chinese
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |
Device for fixing grating cover of cargo oil tank in open state
European Patent Office | 2025
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