CAT 9J5070 9J-5070 Vane Pump Group VQ Vickers Hydraulic Rotary Pump
CAT 9J5070 9J-5070 叶片泵组 VQ 威格士液压回转泵
Product Overview | 产品概述
The CAT 9J5070 (also known as 9J-5070) Vane Pump Group is a high-performance Vickers Hydraulic Rotary Pump specifically designed for Caterpillar equipment. Known for its exceptional durability, reliability, and efficiency, this pump is a crucial component in maintaining the optimal hydraulic performance of heavy machinery. It belongs to the renowned Vickers VQ series, which features a balanced design and high volumetric efficiency, making it ideal for demanding industrial and mobile applications.
CAT 9J5070 (亦称9J-5070) 叶片泵组是一款专为卡特彼勒设备设计的高性能威格士液压回转泵。该泵以其卓越的耐用性、可靠性和效率而闻名，是维持重型机械最佳液压性能的关键部件。它属于著名的威格士VQ系列，该系列具有平衡设计和高容积效率的特点，使其成为严苛工业和移动应用的理想选择。
Product Parameters | 产品参数
| Parameter | 参数 | Description | 描述 |
|---|
| Model | 型号 | CAT 9J5070 (9J-5070) |
| Type | 类型 | Vane Pump Group VQ Vickers Hydraulic Rotary Pump |
| Compatible Engine | 兼容发动机 | Caterpillar CAT Engine 3304 |
| Compatible Equipment | 兼容设备 | Caterpillar CAT Wheel Loader 950 |
| Replacement Part Numbers | 替换零件号 | 9J5070, CA9J5070, 422-8140, 4228140, CA4228140 |
| Design | 设计 | Fixed Displacement, Balanced Type, 10 or 12 Vanes (depending on specific VQ model) |
| Features | 特点 | High efficiency, long operating life, quiet performance, excellent serviceability |
Product Advantages and Selling Points | 产品优势与卖点
Superior Durability and Reliability | 卓越的耐用性和可靠性: Engineered for rugged environments and heavy-duty operation, ensuring long-lasting performance and reduced downtime.
High Volumetric Efficiency | 高容积效率: Delivers consistent fluid movement with minimal energy loss, optimizing the power and responsiveness of hydraulic systems.
Quiet Operation | 低噪音运行: Designed to operate with reduced noise levels, contributing to a more comfortable and compliant work environment.
Flexible Installation and Easy Serviceability | 灵活安装与便捷维护: Features an interchangeable cartridge design, allowing for easy flow capacity changes and field servicing without removing the pump from its mounting. Inlet/outlet ports can be rotated for application flexibility.
Excellent Cold-Start Capability | 优异的冷启动能力: Optimized for performance even in low-temperature conditions, ensuring reliable operation from the start.
Applicable Equipment and Application Scenarios | 适用设备与应用场景
The CAT 9J5070 Vane Pump is primarily suited for Caterpillar equipment, specifically the Caterpillar CAT Engine 3304 and Caterpillar CAT Wheel Loader 950. Beyond these specific models, Vickers VQ series pumps, including this group, are widely adopted across various demanding hydraulic applications due to their robust design and high performance:
CAT 9J5070 叶片泵主要适用于卡特彼勒设备，特别是 卡特彼勒CAT 3304发动机 和 卡特彼勒CAT 950轮式装载机。除了这些特定型号外，威格士VQ系列泵（包括该泵组）因其坚固的设计和高性能，广泛应用于各种严苛的液压领域：
Construction and Mobile Machinery | 建筑与移动机械: Essential for excavators, loaders (like the CAT 950), cranes, refuse trucks, and aerial booms, providing reliable hydraulic power for movement, lifting, and precise control of attachments.
Industrial Machinery | 工业机械: Integral to machine tools, presses, die-casting machines, and plastic injection molding machinery, where consistent pressure and flow are critical for manufacturing processes.
Material Handling Systems | 物料搬运系统: Powers lift trucks, conveyor belts, and other hydraulic lifting equipment, ensuring efficient and smooth material transportation.
Agricultural Machinery | 农业机械: Used in tractors and other farm equipment to operate implements like plows and loaders with responsive and controllable hydraulic power.
Pilot and Auxiliary Systems | 先导与辅助系统: Often employed as pilot or auxiliary pumps in complex hydraulic systems to provide control pressure or supplementary flow.
Application Scenario Analysis | 应用场景案例分析
Case Study: Caterpillar 950 Wheel Loader | 案例分析：卡特彼勒950轮式装载机
In a Caterpillar 950 Wheel Loader, the 9J5070 Vane Pump Group serves as the primary hydraulic pump, supplying pressurized fluid to operate critical functions such as lifting and tilting the bucket, steering, and braking. Its high volumetric efficiency ensures that the loader can handle heavy loads with precision and speed, maximizing productivity on construction sites or in material handling operations. The pump's robust construction allows it to withstand the demanding conditions of continuous operation in dusty, harsh environments, contributing to the overall reliability and longevity of the equipment. Its quiet operation also enhances operator comfort during long shifts.
在卡特彼勒950轮式装载机中，9J5070 叶片泵组作为主要的液压泵，为举升和倾斜铲斗、转向以及制动等关键功能提供加压流体。其高容积效率确保装载机能够精确、快速地处理重载，从而最大限度地提高建筑工地或物料搬运作业的生产力。该泵坚固的结构使其能够承受在多尘、恶劣环境中连续运行的严苛条件，有助于设备的整体可靠性和使用寿命。其低噪音运行也提升了操作员在长时间工作期间的舒适度。
Related Similar Products | 相关相似产品
Beyond the CAT 9J5070, several other hydraulic rotary pumps, particularly within the Vickers V/VQ series and other pump types, offer similar functionalities and are suitable for various applications:
除了CAT 9J5070，还有其他一些液压回转泵，特别是威格士V/VQ系列中的泵以及其他泵类型，提供类似功能并适用于各种应用：
Vickers V Series Vane Pumps (e.g., 20V, 25V, 35V, 45V) | 威格士V系列叶片泵 (例如 20V, 25V, 35V, 45V):
Vickers VQH Series Vane Pumps | 威格士VQH系列叶片泵:
Applications | 应用: Designed for even higher pressure and speed mobile requirements, often found in combines, balers, compacts, oil field equipment, and winches.
Yuken PV2R Series Vane Pumps | 日本油研PV2R系列叶片泵:
Parker T6/T7 Series Vane Pumps | 派克T6/T7系列叶片泵:
Gear Pumps (External/Internal) | 齿轮泵 (外啮合/内啮合):
Piston Pumps (Axial/Radial/Bent Axis) | 柱塞泵 (轴向/径向/斜轴式):
Installation and Maintenance: Common Problems and Solutions | 安装与维护：常见问题及解决方案
Proper installation and regular maintenance are crucial for the longevity and efficient operation of hydraulic vane pumps. Here are some common problems and their solutions:
正确的安装和定期维护对于液压叶片泵的使用寿命和高效运行至关重要。以下是一些常见问题及其解决方案：
Shaft Leaks | 轴泄漏:
Problem | 问题: Visible oil leakage from the pump's front end, often due to bearing failure, hardened seals, or external contamination damaging the seal surface.
Solution | 解决方案: Inspect and replace worn bearings and seals. Ensure the hydraulic fluid is clean to prevent contamination. Avoid prolonged operation above 140°F (60°C) to prevent seal hardening.
Burning of Pressure Plates and Rotor | 压板和转子烧伤:
Problem | 问题: Usually caused by running dry (lack of fluid) or contamination in the hydraulic system.
Solution | 解决方案: Ensure the system always has adequate, clean hydraulic fluid. Implement proper filtration to prevent contamination. Check for fluid starvation issues.
Rippling of the Cam Ring | 凸轮环波纹:
Problem | 问题: A sign of wear on the cam ring, which can lead to reduced pump efficiency and increased noise.
Solution | 解决方案: Regular inspection of the cartridge kit. If significant rippling is observed, the cartridge kit (including the cam ring) may need replacement.
Cartridge Kit Failure (Loud Noise, Reduced Flow) | 泵芯套件故障（噪音大，流量减少）:
Problem | 问题: Indicates internal wear or damage within the pump's cartridge, leading to abnormal noise under pressure and a drop in hydraulic flow.
Solution | 解决方案: Replace the entire cartridge kit. This is a key advantage of VQ pumps, as the cartridge can be replaced without removing the pump from its mounting.
Oil Leakage from Improper Piping Design | 配管设计不当导致的漏油:
Problem | 问题: Unreasonable pipeline layout or improper fitting of pipe joints can cause leaks.
Solution | 解决方案: Minimize the number of pipe joints. Ensure proper bending length for hoses and pipes. Prevent hydraulic impact by correctly designing the system and tightening connections.
Cavitation | 气蚀:
Problem | 问题: Sounds like marbles inside the pump, caused by insufficient fluid supply to the pump inlet, leading to the formation and collapse of vapor bubbles.
Solution | 解决方案: Ensure the inlet line is not restricted, the fluid level in the reservoir is adequate, and the fluid viscosity is appropriate for the operating temperature.
