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Product Description
Zhongjin ZJRC series reverse circulation drilling rig is mainly suitable for the construction of RC reverse circulation, ground source heat pump holes, urban deep foundation pit support, and foundation reinforcement engineering holes; it is also suitable for large-tonnage prestressed anchor holes or Drainage hole construction, as well as landslide prevention and rock collapse disaster control engineering; and also meet the needs of tunnel pipe shed support holes, grouting reinforcement holes, small foundation pile holes, and survey and construction of hydrological wells.
Main Features
* One machine with multiple functions, realizing fast switching of various drilling processes;
* The power head has a wide range of speed adjustment, large torque, meeting different technological requirements, and convenient high and low speed adjustment;
* The control console is reasonably arranged, and the power head speed is digitally displayed for easy operation;
* The hydraulic system adopts load sensing control system and imported components, which saves energy and has high reliability;
* The mast has variable angles and overall sliding to achieve landing support and enhance the stability of drilling;
* The main drawworks is imported from the United States, which can realize the function of drilling while drilling;
* The crawler is easy to load and move, which is convenient for overall relocation and quick installation.
Technical Specifications
| Model | ZJRC-180 | ZJRC-220 | ZJRC-300 | ZJRC-500 | ||
Drill Rig Weight (Crawler Mounted) | 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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