Description of backhoe dredger
A backhoe dredger is a dredging vessel equipped with a backhoe excavator, primarily used for underwater dredging operations. Its core component is a hydraulically driven backhoe bucket, which excavates and loads materials backward via an articulated boom. This equipment is commonly used in port maintenance, waterway dredging, and subsea pipeline laying. Compared to chain bucket or suction dredgers, backhoe dredgers are better suited for handling harder clay or rock. For example, some models can process 5,000 cubic meters of silt per hour and are equipped with corrosion-resistant designs to withstand marine environments.
Advantage
At its heart, a backhoe dredger operates through a telescopic arm equipped with a bucket or grabber, similar to a land-based excavator. However, its floating design allows for precise maneuverability in water environments. The vessel's crane system extends the boom and bucket underwater, controlled by operators using advanced GPS and sonar technologies. This enables excavation depths ranging from 5 to 30 meters, with millimeter-level accuracy essential for projects like pipeline trenching or quay wall foundation construction.
1.Strong digging ability: capable of digging hard materials underwater, digging materials with a large proportion of river pebbles, and digging at a large depth.
4.High efficiency: able to quickly mine various attribute materials, improving work efficiency.
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Why choose us?
Before-sales service:
Be a good consultant and assistant to customers, to ensure our customer's investment rewarded with great profit.
1. Enough details about the ores or slags shall be learned, sometimes a test is needed for some ores.
2. Equipment of right model is selected for customers.
3. Customized products and processing flow sheet can be designed and developed to meet customer's special needs.
4. Engineer could be sent to observe customer's working site to come up with an optimized solution accordingly.
On-sales service:
Every customer is respected and convenience and reliability will be provided. We are devoted to helping you to benefit as much as possible.
1. Inspection is a must before delivering of the goods.
2. Assistance to make a construction plan by supplying all drawings and data needed.
3. Most favorable scheme for you with the guaranteed quality.
4. Timely communication to make sure improvement of project and your requirement met.

Company profile
Qingzhou Yongli Mining And Dredging Machinery Co., Ltd. is located in Qingzhou City, Shandong Province, one of the ancient nine states. We are a professional manufacturer and supplier of dredging vessels and mining equipment that integrates scientific research, development, design, production, installation and commissioning, and personnel allocation services.
Dredging vessels include: cutter suction dredgers, bucket wheel dredgers, jet suction dredgers, siphon sand dredgers, drilling suction sand dredgers, chain bucket sand dredgers, amphibious dredgers, backhoe dredgers, multifunctional work boats, self-suction and self-unloading barges, transport barges, sand sieving and washing equipment, etc.
The mining equipment includes: floating production platform, bucket chain gold/diamond dredger , jet suction gold/diamond dredger, cutter suction gold/diamond dredger, land-use gold/diamond washing plant, as well as an integrated production line for mining and mineral processing in water and on land. It can also be customized according to the mineral types provided by customers.
We are High and New Technology Enterprise, have obtained the production license for ships of Class III Grade Two from CCS China Classification Society, joined the China Dredging Association and Shandong Shipbuilding Industry Association, obtained the ISO9001-2015 quality management system certificate, and obtained more than 30 patent certificates for inventions and utility models from the China National Intellectual Property Administration. The successfully built Yongli series products have obtained the certification from international famous testing organizations like SGS and BV. We have won widespread praise from domestic and foreign customers with our first-class product quality and complete after-sales service system.
We will continue to adhere to the principles of integrity, mutual benefit, and common development. Welcome domestic and foreign customers to visit us for factory inspection and business negotiation!.





