Electric hammer, a type of electric tool, is a type of electric drill mainly used for drilling holes in concrete, floor slabs, brick walls, and stone. The electric hammer is composed of an electric motor, a gear reducer, a crank connecting rod impact mechanism, a rotary drilling mechanism, an overload protection device, a power switch, and power connection devices. Using electrical tools, electric hammers are a type of electric drill mainly used for drilling holes in concrete, floor slabs, brick walls, and stone. Specializing in drilling holes on walls, concrete, and stone, as well as multifunctional electric hammers that can be adjusted to the appropriate position and equipped with appropriate drill bits to replace ordinary electric drills and pickaxes. Electric hammer is an electric drill that adds a piston with a crankshaft connecting rod driven by an electric motor. It compresses air back and forth in a cylinder, causing the air pressure inside the cylinder to change periodically. The changing air pressure drives the hammer in the cylinder to hit the top of the drill bit back and forth, as if we were using a hammer to hit the drill bit. Therefore, it is named electric hammer! Due to the rapid reciprocating motion (frequent impact) along the direction of the electric drill rod while the drill bit of the electric hammer rotates, it can quickly drill holes in brittle materials such as cement concrete and stone. A high-end electric hammer can use a conversion switch to put the drill bit of the hammer in different working states, that is, only rotating without impact, only impacting without rotating, both impacting and rotating