Material conveying opening protection device: Fid-Bau Portal

Material conveying opening protection device

SUO RUI / LI ZHIWEI / LUO CHENGYUAN

The invention discloses a material conveying opening protection device. The material conveying opening protection device comprises a cover plate and a hinged support connecting piece, the hinged support connecting piece comprises a connecting seat, a connecting rod and a connecting column, the connecting seat is fixed to the upper surface of a floor where a material conveying opening is formed, the connecting column is fixed to the cover plate, and hinge holes are coaxially formed in the connecting seat and the connecting column; the connecting rod penetrates through the hinge holes to install the cover plate on the floor where the material conveying opening is formed, the connecting column is a tetragonal column body, and two adjacent side faces of the connecting column are in arc transition, so that the adjacent side faces comprise arc sections and straight sections; and the radius of the arc sections is equal to the distance from the circle center of the hinge holes to the upper surface of the floor where the material conveying opening is formed. Through the design of the straight sections and the arc sections of the hinged connecting pieces, the opening angle of the cover plate and the automatic closing function depending on gravity are ensured, great convenience is provided for material conveying, and when materials are not conveyed, the material conveying opening can be closed in time, and the falling danger is reduced.

本发明公开一种传料口防护装置，包括：盖板，铰支连接件，铰支连接件包括连接座、连接杆、连接柱，其中连接座固定在传料口所在楼板的上表面上，连接柱固定在盖板上，在连接座、连接柱上同轴设置有铰接孔，连接杆穿入所述铰接孔将盖板安装在传料口所在楼板上，并且，连接柱为四方柱体，且其有两个相邻的侧面之间为圆弧过渡，使得该相邻的侧面包括圆弧段和平直段，圆弧段的半径等于铰接孔的圆心到传料口所在楼板的上表面的距离。本发明通过铰支连接件的平直段和圆弧段的设计，确保了盖板开启的角度和依靠重力自动关闭的功能，给传递物料时提供了非常大的便利，并且，能够在不传递物料时，及时关闭传料口，减少坠落危险。

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