挖沙船主要構成部件有：1.承載式浮體 2.水下挖掘橋架 3.挖掘橋架調整龍門 4.挖掘動力主架 5.挖斗 6.挖斗鏈條 7.篩分設備 8.洗砂機 9.石料輸送機 10.成品沙輸送機 11.柴油機 12.發電機 13.電控系統機機械操作系統組成。

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.