Internally forced expansion bolts, also known as internal expansion, drop in anchor, etc. A special threaded connection similar in purpose to expansion bolts. It consists of two parts, a circular tubular nut and a taper pin. With hex head bolts, flat washers and spring washers, it is used to fix the machine on the concrete foundation (or wall, etc.). It is characterized by easy installation.
A special threaded connection used to fix machines, equipment or structural parts on concrete foundations, walls, etc. Such as: water heaters, exhaust range hoods, air conditioners, building curtain walls, billboards, pipes, fans, fire protection, water and electricity, wires and cables, machines, equipment, electromechanical ceilings, light steel keels and other installation industries and decoration industries.
Installation method: First use an impact drill (hammer) to drill a hole of a corresponding size on the foundation (or wall), then put the nut into the hole, put the cone pin into the nut, and hammer the cone with a hand hammer and a special mandrel Pin, so that the bottom end of the taper pin is flush with the bottom end of the nut, so that the bottom of the nut expands around, so it can be firmly fixed in the foundation. Then align the mounting holes on the machine to be installed with the nut holes, place the flat washer and the spring washer in turn, and then screw the hex head bolts of the corresponding size into the nuts, so that the machine is firmly fixed on the foundation.
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