A11V Hydraulic piston pump
4 month ago
Product details
A11V Hydraulic Piston Pump - Detailed Overview
I. Product Overview
• Brand and Model: The A11V is a hydraulic piston pump from the Rexroth brand, widely used in the field of construction machinery.
• Type: It is an axial-piston variable-displacement pump, known for its compact structure, high efficiency, and long service life.
• Application Areas: Primarily used in the hydraulic systems of construction machinery such as concrete pump trucks, excavators, cranes, and road rollers, providing stable and reliable hydraulic power.
II. Technical Features
1. Variable Control:
• The A11V pump employs variable control technology, automatically adjusting displacement based on load requirements to achieve efficient and energy-saving operation.
• It offers multiple control methods, including pressure control (DR), power control (LR), hydraulic control (HD), and electric proportional control (EP), meeting the needs of various application scenarios.
2. Performance Parameters:
• Displacement: The A11V pump is available in multiple displacement options, such as 75, 95, 130, 145, 190, and 260 cm³/rev, allowing selection based on equipment requirements.
• Pressure: The rated pressure is typically 350 bar, with a peak pressure of up to 400 bar, meeting the demands of high-pressure hydraulic systems.
• Speed: It has a wide speed range that can be adjusted according to equipment requirements, ensuring operation in the efficient zone.
3. Structural Characteristics:
• Axial-Piston Design: It adopts an axial-piston structure, enabling the pistons to reciprocate within the cylinder block for liquid suction and discharge.
• High-Strength Materials: Key components are made of high-strength materials, precision-machined, and specially treated for high wear and corrosion resistance.
• Excellent Oil Suction Performance: It features a reasonably designed oil suction port and oil passages, ensuring good oil suction performance even during high-speed operation.
• Low Noise: The pump's structure is optimized to reduce noise levels during operation, improving operational comfort.
III. Application Examples
• Concrete Pump Trucks: The A11V pump provides stable and reliable hydraulic power for concrete pump trucks, ensuring smooth concrete delivery and pouring.
• Excavators: In excavators, the A11V pump drives the slewing and traveling mechanisms, enabling flexible operation and efficient work.
• Cranes: It supplies power to the lifting and luffing mechanisms of cranes, ensuring safe and stable operation.
• Road Rollers: In road rollers, the A11V pump drives the vibrating drum and traveling mechanisms, achieving efficient compaction work.
IV. Maintenance and Upkeep
• Regular Inspections: Regularly inspect the oil level, oil quality, and tightness of all connections in the pump to ensure it is in good working condition.
• Hydraulic Oil Replacement: Replace the hydraulic oil according to the equipment manufacturer's requirements to prevent oil degradation from damaging the pump.
• Cleaning and Replacing Filters: Regularly clean or replace the hydraulic oil filters to prevent contaminants from entering the pump and affecting its performance.
• Professional Repairs: If any faults or abnormalities are detected in the pump, promptly contact professional repair personnel for inspection and component replacement.
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