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液压油泵

意大利MARZOCCHI马祖奇齿轮泵K1P S 1.6C P579-B 风力发电油泵

2026年04月21日 液压油泵 游览量:递增失败!

意大利MARZOCCHI马祖奇齿轮泵K1P S 1.6C P579-B 风力发电油泵

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K1P S 1.6C 是一款微型高压外啮合定量齿轮泵,专为小流量、中高压精密液压回路设计,结构极致紧凑、重量轻、抗污染性强,广泛用于小型动力单元、精密夹具、润滑系统及便携液压设备。

一、型号完整释义

K1P - S - 1.6 - C

  • K1P:产品系列,微型高压齿轮泵基础系列,定义整体尺寸与压力等级
  • S:结构 / 安装,标准法兰安装(4 螺栓通用法兰),轴伸为平键轴(标准型)
  • 1.6:理论排量,1.6 mL/rev(cc/rev),每转固定输出油量
  • C:压力等级 / 密封,额定压力 20.0 MPa(200 bar),标配耐油橡胶 + 高压机械密封组合

二、核心技术参数(无品牌)

  • 排量:1.6 mL/rev
  • 压力额定压力:20.0 MPa(200 bar)峰值压力:25.0 MPa(250 bar)(短时允许)
  • 转速范围最低:500 rpm额定:1500–3000 rpm最高:4000 rpm(短时间)
  • 流量(理论)@1500 rpm:2.4 L/min@3000 rpm:4.8 L/min
  • 容积效率:≥92%(额定压力、1500 rpm)
  • 适用介质:矿物型液压油(L-HM32/46/68)、合成液压油
  • 油液粘度:10–60 mm²/s (cSt),最佳 20–40 mm²/s
  • 温度范围:-20°C 至 +80°C
  • 材质泵体 / 端盖:高强度铝合金(轻量化、散热好)齿轮副:渗碳淬火合金钢(高精度、耐磨、低脉动)轴承 / 轴套:粉末冶金 / 高磷青铜(自润滑、高压承载)密封:丁腈橡胶(NBR)+ 机械密封
  • 安装:4 螺栓通用小法兰(欧洲标准小泵法兰)
  • 轴伸:标准平键轴
  • 油口:进 / 出油 G1/4"或 3/8" BSP(内螺纹)
  • 重量:≈0.8 kg(超轻量)

三、结构与工作原理

1. 核心结构

  • 铝合金泵体:一体压铸,双腔分隔(吸油 / 压油),强度高、重量轻
  • 一对渐开线齿轮:主动 + 从动,高精度啮合,齿形优化降低脉动与噪音
  • 双轴套支撑:前后端盖内置耐磨轴套,自动补偿轴向 / 径向间隙,减少内泄
  • 轴端双重密封:旋转轴用骨架油封 + 机械密封,防高压泄漏
  • 法兰定位:4 螺栓法兰,安装刚性好、同轴度易保证

2. 工作原理(外啮合定量)

  1. 吸油:电机驱动齿轮旋转,吸油腔轮齿脱离啮合,容积增大形成真空,油箱油液被吸入齿槽
  2. 压油:齿轮将油液带到压油腔,轮齿进入啮合,容积急剧减小,油液被挤压出出油口,建立高压
  3. 定量特性:排量固定,流量严格与转速成正比(Q = 排量 × 转速 ÷ 1000)

四、性能特点

  • 微型高压:小体积实现 200 bar 额定压力,适配空间受限的高压回路
  • 超轻紧凑:铝合金壳体、重量 < 1kg,适合便携设备、移动机械
  • 低噪低脉动:精密齿形 + 轴套补偿,运行平稳、噪音≤70 dB (A)
  • 抗污染耐用:齿轮泵结构对油液杂质不敏感,寿命长、维护简单
  • 互换性强:标准法兰、油口、轴伸,同系列 1.1/1.3/2.1 cc 可直接替换

五、典型应用场景

  • 小型液压站 / 动力单元:精密夹具、小型油缸、测试台
  • 机床液压:润滑系统、夹紧机构、尾座、转台
  • 工程机械:微型挖掘机、高空作业平台辅助控制
  • 农业机械:小型播种机、植保机械液压执行器
  • 汽车设备:液压尾板、自卸车辅助系统
  • 工业自动化:机器人关节、小型执行机构动力源

六、安装与使用要点

  • 同轴度:泵与电机联轴器同轴度 ≤0.05 mm,用弹性联轴器,避免径向力
  • 转向:顺时针(从轴端看),反转无法吸油、易损坏密封
  • 吸油:进油口配 100–120 目过滤器,吸油管路短、粗、无漏气
  • 压力保护:系统必须装溢流阀,限制压力≤200 bar,防止过载
  • 磨合期:空载运行 5–10 分钟,逐步升压至额定压力

七、常见故障与排除

  • 压力不足 / 无压力原因:进油漏气、过滤器堵塞、密封损坏、齿轮磨损排除:检查管路密封性、清洗 / 更换滤芯、更换密封、检修齿轮副
  • 流量偏小原因:转速过低、油粘度过高、内泄增大排除:提高转速至 1500 rpm 以上、更换合适粘度油、检修磨损件
  • 异常噪音 / 振动原因:吸空、同轴度差、轴承磨损、油液含气排除:排查吸油管路、校正同轴度、更换轴承、给油箱排气
  • 轴端漏油原因:密封老化、安装不当、轴磨损排除:更换双重密封、规范安装、检查轴颈

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