| 摘要 |
PROBLEM TO BE SOLVED: To provide a submerged pump capable of loosening wide range of earth and sand, sludge and having the same contain water to provide liquidity and of sucking and discharging a clod of earth strongly hardening efficiently. SOLUTION: This submerged pump includes a pump part 15 including a rotary shaft 12 at a center and provided with an impellor 13 driven to rotate by the motor, and a casing 14 thereof, a bearing 22 attached in an upper side of an extending part 16 of the rotary shaft 12, and rotatably supporting an extended part 16 via the casing 14, and an earth clod breaking part 18 provided in lower side of the extending part 16 and provided with plural break edges 17 practically and radially arranged.
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