上海市工业设备安装公司研制成一套砌块钻孔开槽工具,经上海气象大楼工程试用,基本能满足要求,取得较好的效果,为全面推广使用加气砌块创造了良好的条件。这套简易的钻孔开槽工具的构造见图,规格见表。最大钻孔直径为110毫米,可以满足在砌块上埋设各种支架构件、锚固螺栓、暗配电 Shanghai Industrial Equipment Installation Co., Ltd. developed a set of drilling and grooving tools for the block. After trials of the Shanghai Meteorological Building, it basically met the requirements and achieved good results. This has created favorable conditions for the general promotion of the use of aerated blocks. The structure of this simple drilling grooving tool is shown in the figure. The specifications are shown in the table. The largest drill hole diameter is 110mm, which can meet the requirements for burying various bracket components, anchor bolts and dark distribution on blocks.