挖沙船主要构成部件有：1.承载式浮体 2.水下挖掘桥架 3.挖掘桥架调整龙门 4.挖掘动力主架 5.挖斗 6.挖斗链条 7.筛分设备 8.洗砂机 9.石料输送机 10.成品沙输送机 11.柴油机 12.发电机 13.电控系统机机械操作系统组成。

The dredging the main components are: 1. bearing type float 2. underwater mining bridge 3. bridge dynamic adjustment of Longmen mining mining 4. main frame 5. bucket 6. bucket chain 7. screening equipment 8. sand washing machine 9. stone mechanical conveyor 10. finished sand conveyor 11. diesel generator 12. 13. machine electric control system operating system.