為解決內(nèi)河排水動力不足、建設(shè)用地困難等問題，結(jié)構(gòu)緊湊、占地面積小的一體化閘門泵受到廣泛關(guān)注，其中較大口徑的一體化泵閘在國內(nèi)應(yīng)用時(shí)間較短、實(shí)例較少。以鹽河泵閘工程為背景，采用三維參數(shù)化計(jì)算模型，進(jìn)行門葉厚度、板厚度等參數(shù)設(shè)計(jì)優(yōu)化分析，以及穿墻管、腹板薄弱處的加固分析；同時(shí)針對閘門泵振動、防腐等關(guān)鍵問題進(jìn)行了分析論證。研究得出，門葉厚度不宜增加過大，應(yīng)同時(shí)對區(qū)隔較大的面板、腹板結(jié)構(gòu)進(jìn)行適當(dāng)加固，以控制共振頻域；當(dāng)閘門寬高比小于0.6且泵外徑與閘門寬之比接近0.5時(shí)，宜采用12~16 mm范圍內(nèi)的板厚組合；穿墻管加固應(yīng)橫、縱、斜肋同時(shí)考慮；通過動態(tài)模擬分析，鹽河泵閘設(shè)計(jì)能夠避免一體化泵閘發(fā)生共振，且有一定的安全余量。

By solving the problems such as the shortage of drainage power in inland rivers and the difficulty of construction land， the integrated gate pump with compact structure and small floor area has received much attention. Among them， the integrated gate pump with larger diameter has a short application time and few examples in China. This paper takes the Salt River Pump Gate Project as the background， uses the three-dimensional parametric calculation model， carries on the design optimization analysis of the door blade thickness， the plate thickness and other parameters， and the reinforcement analysis of the weak parts of the wall pipe and web. At the same time， the key problems such as vibration and anticorrosion of the gate pump are analyzed and demonstrated. The results show that the thickness of the door blade should not increase too much， and the panel and web structure with large separation should be properly strengthened at the same time to control the resonance frequency domain. When the ratio of gate width to height is less than 0.6 and the ratio of the pump outer diameter to gate width is close to 0.5， the plate thickness combination in the range of 12~16 mm should be used. Transverse， longitudinal and diagonal ribs should be considered at the same time for wall pipe reinforcement. Through a dynamic simulation analysis， the design of Salt River Pump Gate can avoid the resonance of the integrated pump gate， and has a certain safety margin.