Large Diameter Drilling Machine Large torque and large diameter full rotary drill is a kind of drilling equipment used in underground engineering construction. It has the following characteristics: Powerful rotary torque casing rotator Xuzhou Jingan Heavy Industry Manufacture Co.,Ltd. , https://www.jinganzhonggong.com
1. High torque: The rig is equipped with a powerful power system to provide a large torque output. This allows the rig to operate in a variety of geological conditions, including hard rock and soft soil.
2. Large diameter: The drilling rig has a large drilling diameter capability and can carry out large diameter drilling operations. This is particularly important in underground engineering, such as the construction of subway tunnels, underground pipelines, etc., need to drill large diameter holes.
3. Full rotation: The rig has full rotation function, which can rotate 360 degrees in a small working space. This allows the rig to flexibly adapt to different construction environments and improve construction efficiency.
More photos from Matthew Sosnowski capturing the Chicago Still & Box Alarm fire on March 21, 2017. These images provide a powerful visual account of the intense firefighting efforts and the aftermath of the blaze.
The first photo shows flames bursting from the attic of the burning building, highlighting the severity of the fire. A Chicago Fire Department truck, Engine 41, is seen on the scene, ready to assist in the operation.
Firefighters are seen climbing an aerial ladder to reach higher parts of the building, demonstrating their quick response and dedication. Another image captures a firefighter preparing a saw, likely to cut through debris or access trapped areas.
A Chicago FD communications van, number 275, is visible near the site, serving as a command center for coordination. Smoke fills the air around the fire scene, emphasizing the chaotic and dangerous environment.
Engine 123 and Engine 88 are both present, showing the scale of the emergency response. Finally, a group of firefighters pose together after successfully containing the fire, reflecting their teamwork and resilience.
These photographs offer a rare and compelling look into the challenges faced by first responders during a major urban fire incident.
September 26, 2025