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液壓油泵

馬祖奇MARZOCCHI齒輪泵GHPP2-D-10+GHPA3-D-80/3/4/5/6/7/9FG油泵

2026年04月21日 液壓油泵 游覽量:遞增失敗!

馬祖奇MARZOCCHI齒輪泵GHPP2-D-10+GHPA3-D-80/3/4/5/6/7/9FG油泵

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GHPP2-D-10 是一款高壓、模塊化、外嚙合齒輪泵,專為雙聯 / 多聯泵組合設計的后泵節,主打280bar 高壓、小排量、高轉速、結構緊湊,適用于中高壓液壓系統的多回路供油。

一、型號含義(GHPP2-D-10)

  • GHP:系列代號(高壓齒輪泵系列)
  • P2:泵節類型(P = 后泵節,用于多聯泵組合;2 = 尺寸組別,中型)
  • D:安裝形式(標準 4 孔法蘭安裝)
  • 10:排量規格(理論排量 7.0 cm3/rev)

二、核心技術參數

1. 排量與流量

  • 理論排量:7.0 cm3/rev (7.0 mL/rev)
  • 1500 rpm 理論流量:10.0 L/min
  • 轉速范圍:500–4000 rpm(推薦 1000–3500 rpm)
  • 最高連續轉速:4000 rpm

2. 壓力等級

  • 連續工作壓力 (P1):280 bar (28 MPa)
  • 間歇壓力 (P2):295 bar (29.5 MPa)
  • 峰值壓力 (P3):310 bar (31 MPa)

3. 結構與材質

  • 泵體:高強度壓鑄鋁合金(輕量化、耐壓)
  • 端蓋 / 法蘭:球墨鑄鐵(高壓強度)
  • 齒輪 / 軸:滲碳淬火合金鋼(高精度、耐磨、抗疲勞)
  • 軸向補償:浮動側板(自動間隙補償,高壓高效)
  • 密封:標準 NBR 丁腈橡膠(可選 FKM 氟膠)
  • 軸伸:1:8 錐軸 + 平鍵(標準),軸端鎖緊螺母 M12x1.5
  • 安裝法蘭:歐洲標準 4 螺栓法蘭
  • 油口:40mm 法蘭式連接(吸 / 壓油口同規格)
  • 重量:約 4.5 kg(單泵節)

4. 性能與介質

  • 容積效率:≥ 92%(額定工況)
  • 總效率:≥ 88%
  • 噪音水平:≤ 74 dB(A)(1500rpm/200bar)
  • 適用介質:礦物液壓油(L-HM32/46/68)、合成油
  • 粘度范圍:10–100 cSt(最佳 15–50 cSt)
  • 工作溫度:-20℃ ~ +80℃

三、結構特點

  • 模塊化設計:標準泵節,可與 GHPA2(前泵節) 靈活組合成雙聯 / 三聯泵,實現多流量、多壓力回路。
  • 高壓穩定:鑄鐵法蘭 + 鋁合金泵體 + 浮動側板,280bar連續壓力下內泄小、溫升低。
  • 緊湊耐用:小體積、高功率密度,適配空間有限的設備。
  • 標準化接口:通用安裝 / 油口 / 軸伸,互換性強、易維護。
  • 右旋單向:標準順時針旋轉(軸端視),不可反轉。

四、典型應用場景

  • 多聯泵動力單元:與 GHPA2 前泵組合,用于機床、注塑機、液壓機的雙回路系統。
  • 中高壓工業機械:壓鑄機、剪板機、折彎機、木工機械、紡織機械。
  • 工程機械:小型挖掘機、裝載機、叉車的輔助液壓系統。
  • 特種車輛:環衛車、清障車、高空作業車的多動作控制。
  • 液壓站:緊湊型高壓動力單元、測試設備、伺服液壓系統。

五、安裝與使用要點

  • 組合安裝:作為后泵節,需與前泵節(GHPA2)同軸串聯,確保同心度。
  • 聯軸器:彈性聯接,同軸度≤0.05mm,避免徑向 / 軸向力。
  • 吸油要求:吸油過濾器≤25μm,吸高≤0.5m,管路密封無漏氣。
  • 壓力保護:每回路必須配溢流閥,限制壓力≤280bar。
  • 磨合期:空載 10min → 50% 壓力 10min → 額定運行。
  • 維護:定期換油、檢查密封、監測壓力 / 流量 / 噪音。

六、常見故障與排除

  • 流量不足:吸空、內泄、轉速低 → 查漏氣、檢修側板、調轉速。
  • 壓力上不去:溢流閥故障、密封損壞 → 換閥、換油封 / 側板。
  • 異常噪音:吸空、同軸度差、軸承磨損 → 優化吸油、校正安裝。
  • 漏油:密封老化、結合面不良 → 更換 NBR/FKM 密封、清潔結合面。

七、選型與組合參考

  • 單泵節:GHPP2-D-10(后泵,不可單獨作首泵)
  • 雙聯泵:GHPA2-D-16 + GHPP2-D-10(大 + 小流量組合)
  • 流量計算:Q (L/min) = 排量 (cm3/rev) × 轉速 (rpm) ÷ 1000
  • 高溫工況:選 FKM 氟膠密封 版本
  • 高壓重載:連續壓力不超 280bar,間歇不超 295bar

本文由蘇州逐利機電整理發布,如需轉載請瀏覽來源及出處,原文地址:http://m.fjptba.com/yyyb/829.html

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