Crawler Reverse Circulation Drilling Rig
Description
Technical Parameters
The ZJRC series full hydraulic crawler reverse circulation drilling rig is a versatile machine suitable for both vertical and oblique drilling applications. It is commonly used in RC reverse circulation and water well drilling as well as the investigation and construction of ground source heat pump holes and small foundation pile holes. With its advanced features, this drilling rig is a reliable tool for any drilling project.
Drilling Techniques Process Methods:
* Drill auger drill
* Down-The-Hole hammer drill
* Mud forward circle drill
Drilling with a DTH hammer requires the use of ODEX tools, specifically the casing pipe following technique. It is crucial to generate content that closely resembles the original information while rearranging the structure.
* Medium reverse circle drill
The ZJRC series full hydraulic crawler mounted reverse circulation drill rig is an incredibly versatile piece of equipment, capable of handling a wide range of different drilling techniques. This adaptability makes it perfect for use in complex and diverse working conditions, offering a reliable solution to those tricky drilling challenges presented by loose covering strata, pebble gravel layers, and broken bedrock.
In fact, the ZJRC drill rig is so versatile that it can effectively tackle even the most challenging drilling scenarios that would otherwise prove near-impossible for standard medium drilling equipment to handle. Its wide range of uses and capabilities make it an essential tool for any professional drilling operation.

Main Features
The wide range of applications accommodates various drilling process methods with a large output torque and a wide speed range.
The system boasts of a sizeable feeding process that eliminates the need for an active drill pipe. This helps to reduce the time spent on auxiliary activities such as falling rods and adding rods, ultimately improving drilling efficiency.
* With immense pressurizing and pulling forces, this drilling equipment not only meets the requirements for efficient drilling but also possesses a robust capability to address any unexpected incidents.
Our machinery is fitted with a pipe twisting feature, designed to meet the demands of unscrewing drill pipes and minimizing the amount of labor required.
The monitoring systems that are installed come with excellent system reliability and a minimal failure rate.
Technical Specifications
| Model | ZJRC-180 | ZJRC-220 | ZJRC-300 | ZJRC-500 | |
Drill Rig Weight (kg) | 9500 | 10000 | 11000 | 12000 | |
Length × Width × Height (Normal) (mm) | 6350×2200×2950 | 6300×2200×2500 | 6750×2300×3000 | 7650×2250×3200 | |
Drill Depth (m) | 180 | 250 | 300 | 500 | |
Drill Diameter (mm) | 130~250 | 130~250 | 130~250 | 130-300 | |
Drill Head Output | |||||
Output Rotation Speed | Low Speed(rpm) | 40/80 | 40/80 | 55/110 | 52/104 |
High Speed (rpm) | 70/140 | 70/140 | 55/110 | 52/104 | |
Max Output Torque (N.m) | 8500 | 8500 | 10000 | 12000 | |
Stroke of Power Head | |||||
Feeding (mm) | 3500 | 3800 | 3500 | 7000 | |
Thrust Force (kN) | 45 | 60 | 100 | 100 | |
Lifting Capacity (kN) | 65 | 85 | 150 | 160 | |
Mast | |||||
Sliding Stroke (mm) | 850 | 850 | / | / | |
Oil Pump | |||||
Output Volume (Big Oil Pump) (ml/r) | 63 | 63 | 63 | 87 | |
Output Volume (Mini Oil Pump) (ml/r) | 25 | 25 | 25 | 25 | |
Output Volume (Middle Oil Pump) (ml/r) | 50 | 50 | 63 | 63 | |
Engine | Cummins | ||||
Power (Kw) | 132 | 132 | 132 | 132 | |
Rotary Speed (Max.) (rpm) | 2200 | 2200 | 2200 | 2200 | |
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