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| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | 12 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Yantai Shijin Machinery Co., Ltd. was established in April 2016. We are a professional enterprise engaged in the production, research and development, and sales of excavator breakers, excavator front-end accessories, and other related products. The company focuses on technological innovation and product quality, and has a good reputation and credibility in the industry. With the continuous updating and transformation of manufacturing equipment, the production and supply of up to hundreds of large,medium, and small-sized accessories have been ensured. Main products: hydraulic breaker, wood gripper, steel gripper, quick coupler, vibration compactor, soil loosening device, spiral drill, crushing pliers, hydraulic shear, excavator bucket and hundreds of other excavator front attachments. We always attach great importance to product
quality and strive to create the first brand of "DEHN" in the construction machinery industry. It will provide you with top-notch technical support. The best product quality,extensive supply of accessories, and professional after-sales service!
Earth drill is composed of power head, drill pipe and bracket. It can be used in excavator, loader and other equipment driven by hydraulic system.
The drill pipe specification of excavator screw drill rig covers 10 mm-1500 mm, and the depth of large drilling can reach 10 m.
| Model | DEHN1000 | DEHN2000 | DEHN2500 | DEHN3000 | DEHN3500 | DEHN4500 | DEHN5000 | |
| Excavator weight | T | 0.8-1.5 | 1.5-3 | 2.5-4 | 3-4.5 | 2.5-4.5 | 3-5 | 4.5-6 |
| Maximum torque | N.m | 1120 | 2130 | 2870 | 3180 | 3650 | 4720 | 4920 |
| operating pressure | Bar | 40-80 | 50-210 | 80-240 | 80-240 | 80-240 | 80-240 | 80-240 |
| Operation flow | L/min | 20-100 | 20-100 | 30-120 | 30-150 | 30-150 | 40-150 | 50-150 |
| Rotating speed | rpm | 76 | 72 | 65 | 65 | 62 | 55 | 52 |
| Hose size | Inch | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 |
| Output shaft | mm | 35(F) | 35(F),51(F)61(Y) | 65(Y),51(F) | 65(Y),51(F) | 65(Y),51(F) | 65(Y),51(F) | 65(Y),51(F) |
| weight | Kg | 38 | 42 | 72 | 74 | 76 | 95 | 97 |
| unit diameter | mm | 190 | 190 | 230 | 232 | 232 | 250 | 250 |
| Drill pipe length | mm | 800-1500 | 1200 | 1200 | 1200 | 1200 | 1200-1500 | 1200-1500 |
| Drill pipe diameter range | mm | 50-250 | 100-300 | 100-500 | 100-500 | 100-600 | 100-600 | 100-650 |
Q1: What are the main applications of hydraulic augers for excavators?
A1: Hydraulic augers are mainly used in foundation construction, including bored pile construction, CFG pile construction, foundation pit support anchor drilling, geological exploration sampling, and tree planting hole digging.
Q2: What is the working principle of hydraulic augers?
A2: Hydraulic augers use the excavator's hydraulic system to provide power, driving the helical blades to rotate and drill downward while transporting soil or rock debris to the ground through the helical blades.
Q3: What factors should be considered when selecting a hydraulic auger?
A3: Factors to consider include excavator tonnage and hydraulic flow rate, required drilling diameter and depth, geological conditions, auger bit type, material and pitch of helical blades.
Q4: What are the common types of hydraulic auger bits?
A4: Common bit types include standard soil bits, rock bits, alloy bits, double helix bits, and triple helix bits. The appropriate bit should be selected based on geological conditions.
Q5: How to determine if hydraulic auger drill pipes need replacement?
A5: Drill pipes should be replaced when there is bending deformation, weld cracking, severe thread damage, significant wall thickness reduction, or cracks.
Q6: What to do if hydraulic auger efficiency is low in hard rock formations?
A6: Measures include: replacing with specialized rock bits, reducing drilling speed, increasing drilling pressure, using staged drilling methods, and using down-the-hole hammers if necessary.
Q7: How to handle auger jamming during operation?
A7: When jamming occurs, immediately stop drilling, attempt to reverse the auger to loosen soil, and slowly lift the tool. If unable to loosen, use water injection, blasting, or other methods.
Q8: What does daily maintenance of hydraulic augers include?
A8: Daily maintenance includes checking hydraulic oil level and quality, cleaning hydraulic filters, inspecting auger and bit wear, lubricating moving parts, and checking for hydraulic leaks.
Q9: How to ensure drilling verticality with hydraulic augers?
A9: To ensure verticality: level the excavator platform, use guiding devices, maintain uniform drilling speed, regularly check auger verticality, and use inclinometers for monitoring if needed.
Q10: What are the advantages of hydraulic augers compared to traditional drilling equipment?
A10: Advantages include powerful performance, high drilling efficiency, simultaneous drilling and soil removal, adaptability to various geological conditions, easy operation, and flexibility.
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