Safety protection plate for pay-off hole of constructional engineering: Fid-Bau Portal

Safety protection plate for pay-off hole of constructional engineering

GAO XIAOFEI / MA XUE / YANG KE

The invention discloses a safety protection plate for a pay-off hole of constructional engineering. The safety protection plate comprises an upper plate and a clamping assembly, wherein the upper plate is arranged on the clamping assembly, the clamping assembly is arranged on the side wall of the pay-off hole in a clamping mode, the clamping assembly has an adjusting function, a limiting assemblyis arranged between a first supporting block and a second supporting block, the first supporting block and the second supporting block on the two sides abut against the two ends of the pay-off hole, and the upper plate is hinged to any one first supporting block on one side through a rotating shaft. According to the safety protection plate, relative sliding between the adjacent first supporting block and the adjacent second supporting block is realized through a limiting rod, so that adaptive width adjustment is carried out according to the widths of different pay-off holes; and meanwhile, a rotating sleeve is rotated to further drive axial movement of screw rods on the two sides, the first supporting block and the second supporting block on the two sides abut against the two ends of the pay-off hole, so that relative fixation of the device is realized, and then effective protection of pay-off holes with different sizes can be realized; and the safety protection plate has a good application prospect.

本发明公开了一种建筑工程放线孔安全防护板，包括上板和卡和组件，上板布设安装在卡和组件上，卡和组件卡设安装在放线孔的侧壁上，所述的卡和组件具备调节功能，支撑块一和支撑块二之间设置安装有限位组件，两侧的支撑块一和支撑块二抵触在放线孔的两端；上板与一侧任一的支撑块一之间通过转轴铰接。本装置通过所限位杆实现相邻支撑块一和相邻支撑块二之间的相对滑动，进而根据不同放线孔的宽度进行适应性的宽度调节；同时，转动所述的转动套进一步驱动两侧的螺杆的轴向运动，两侧的支撑块一和支撑块二抵触在放线孔的两端，进而实现本装置的相对固定，进而可实现不同尺寸的放线孔的有效的防护；具备良好应用前景。

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