The equipment adopts hydraulic drive grab system, which can accurately grab underwater hard sediment, reefs, construction waste and other materials, which is more suitable for non-soft sediment than cutter suction equipment. It is equipped with an adjustable boom with a maximum length of 18 meters, which can cover a wide range of underwater operation areas. The grab bucket has a capacity of 3 cubic meters, and a single grab can reach 3 cubic meters, improving operation efficiency. It has passed China Classification Society (CCS) certification, conforms to domestic maritime operation safety standards, and is equipped with a complete hydraulic protection system to avoid pipeline leakage during operation.
Detailed technical parameters include maximum operating water depth of 10 meters, maximum dredging depth of 12 meters, grab bucket capacity of 3 cubic meters, total weight of 65 metric tons, hull made of marine grade steel, powered by diesel hydraulic drive, controlled by hydraulic remote control, passed CCS safety certification, dredging capacity of 200 cubic meters per hour, grab opening size of 2500*2000 millimeters, boom length of 18 meters, maximum lifting weight of 15 tons. The equipment is equipped with a hydraulic oil cooling system to ensure the stability of long-term continuous operation, and is equipped with a grab replacement interface, which can replace different types of grabs according to operation needs.
It is mainly applicable to underwater reef removal of port terminals, hard sediment dredging of rivers, underwater construction waste salvage, cross-sea bridge foundation construction dredging, underwater obstacle removal of coastal aquaculture farms and other scenarios. It is suitable for port maintenance companies, infrastructure construction enterprises, maritime dredging teams, which can efficiently solve the problem of hard underwater sediment and obstacle cleaning that cannot be handled by cutter suction dredgers.
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