The down-the-hole crawler drill is an efficient rock drilling equipment that combines the drilling function of the down-the-hole hammer with the mobility of the crawler chassis. It is widely used in mining, foundation engineering, and other fields. The hammer of the down-the-hole crawler drill is mounted at the front end of the drill rod, submerged into the hole bottom, and advanced as the hole extends. It breaks rocks by impacting them with the hammer, while the drill rod rotates, allowing the drill bit to continuously cut through the rock and form a borehole. The crushed rock debris is blown out of the hole by compressed air.
Technical Parameters:
| Product Name |
Small 150Meter Crawler Mounted Drilling Rig Machine |
| Key Words |
Crawler Is A Water Drilling Rig |
| Drilling Diameter |
50mm-150mm |
| Drilling Depth |
30m-150m |
| Drill Pipe Length |
2m |
| Power |
Diesel Engine |
| Drilling Rig Size |
2000mm*1200mm*1200mm |
| After Sales Service |
Online Support |
| Color |
Yellow, Blue, Red |
| Drilling Rod Diameter |
60mm |
| Drilling Method |
Reverse Circulation Drilling, Hydraulic Circulation Drilling, Mining Sampling |
core principle
The impactor dives into the bottom of the hole, using compressed air as the power source to achieve high-frequency impact, and cooperates with the rotation of the drill rod to break rocks. The compressed air also completes the slag removal; the crawler chassis provides mobility and operational support, and the hydraulic system drives actions such as walking, propulsion, rotation, and angle adjustment.
Core strengths
Efficient drilling: The impact energy reaches the bottom of the hole directly, with minimal energy loss during deep-hole drilling. Its efficiency surpasses that of traditional rock drills, making it suitable for large-diameter deep holes.
Flexible and maneuverable: With tracked travel, it can quickly transition between sites, and the angle of the drilling arm/propelling beam can be adjusted to meet various drilling requirements, including vertical, horizontal, and inclined drilling.
Stable and reliable: The chassis is sturdy, the hydraulic system is mature, and key components are mostly sourced from high-quality brands, adapting to harsh working conditions such as dust and vibration.
Safety and environmental protection: Remote/centralized control to reduce manual risks, equipped with a dust removal system to minimize dust pollution.
Applicable scenarios
Open-pit mine: drilling and blasting holes, presplitting holes.
Infrastructure projects: slope anchoring, foundation pit support, subgrade reinforcement, and photovoltaic drilling.
Water conservancy and transportation: tunnel pipe sheds, dam grouting holes, and emergency rescue and disaster relief drilling.
Others: quarries, mining of building materials and aggregates, defense projects, and other medium-to-deep hole operations.
