A hydraulic hammer is a device that is installed on mechanical excavators, loaders, and sometimes for special purposes on devices made for this purpose, and obtains the required energy from the hydraulic system of the same
device.The use of this device is cost-effective for drilling in rocks without seams and cracks with low resistance or in rocks with high compressive strength and strong seams, and it is widely used in mining mineral and non-mineral tunnels
Hydraulic hammer is especially useful in urban areas and tunnels where fire is dangerous or prohibited or limited due to safety and environmental issues. Also, when fire technology, its materials and necessary skills are not easily available, the use of hydraulic hammer for drilling has a special application