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I. Product Overview
The Oil Pump Comprehensive Performance Test Bench is an integrated, specialised testing system developed for various types of industrial oil pumps, automotive oil pumps and hydraulic oil pumps. It is fully compatible with a wide range of pump types, including variable-displacement hydraulic pumps, gear pumps, plunger pumps, fuel injection pumps, electronic oil pumps and engine oil pumps. The equipment is designed in strict accordance with the performance testing standards of the oil pump industry. It employs a closed-loop hydraulic circulation system, high-precision pressure and flow acquisition modules, and a servo-controlled speed regulation and loading mechanism, integrated with a fully automated measurement and control system comprising a PLC and an industrial computer.
The equipment enables comprehensive, one-stop performance testing of oil pumps, covering pressure characteristics, flow characteristics, volumetric efficiency, overall efficiency, torque and power, temperature rise and endurance, seal pressure resistance, and variable displacement regulation characteristics. It supports both manual debugging and fully automatic operating condition sweep testing modes, and can automatically generate standard characteristic curves such as pressure-flow and efficiency-load, whilst automatically storing and exporting test reports. Widely used by oil pump manufacturers for factory quality inspection, new product R&D calibration, maintenance and adjustment, batch consistency testing, and reliability and endurance testing, it serves as standardised testing equipment for the hydraulic and fuel pump industries.
II. Core Test Items
1. Pressure-Flow Performance Testing
Tests the outlet pressure, return pressure, real-time flow rate and flow fluctuations of the oil pump under no-load, rated and peak operating conditions; performs full-range pressure gradient sweep testing; plots P-Q pressure-flow characteristic curves; verifies the pump’s pressure stabilisation capability and output linearity; and identifies defects such as pressure instability, insufficient flow and abnormal pressure relief.
2. Efficiency Performance Testing
Precisely measures input power, output shaft power, volumetric efficiency, mechanical efficiency and overall efficiency of the unit; calculates efficiency decay curves under different pressure and speed conditions, providing accurate data support for product structural optimisation, process upgrades and energy efficiency benchmarking.
3. Variable Displacement and Control Characteristics Testing
For variable-displacement piston pumps and variable-displacement hydraulic pumps, test pressure cut-off values, flow variation characteristics, constant-power regulation characteristics and pressure regulation response speed to verify the sensitivity and control stability of the pump’s variable displacement mechanism, thereby meeting the calibration requirements for hydraulic pump R&D.
4. Electrical and Power Performance Testing
Collect data on drive voltage, operating current, input power, power factor and speed fluctuations; Test the stability of the oil pump during high- and low-speed operation, as well as its start-stop characteristics under full load, whilst capturing parameters under transient shock conditions, to facilitate electrical control matching tests for electric oil pumps and electronically controlled oil pumps.
5. Sealing and Pressure Resistance Performance Testing
Conduct static pressure resistance tests on the pump body, seal leakage tests and pressure retention stability tests to detect leaks at the pump body, oil seals and joint locations, thereby verifying the overall sealing process and pressure resistance capacity of the oil pump.
6. Temperature Rise and Durability/Reliability Testing
Supports continuous operation under rated conditions for extended periods, as well as durability cycle testing with alternating high- and low-pressure loads; real-time multi-point monitoring of oil temperature and pump body temperature changes to verify the oil pump’s long-term thermal stability, fatigue reliability and service life.
III. Core Advantages of the Equipment
1. Compatibility with All Product Categories, High Versatility
A single set of equipment is compatible with mainstream oil pump types, including gear pumps, plunger pumps, vane pumps, electronic oil pumps and engine oil pumps. It can be adapted for oil pump testing across multiple scenarios, such as industrial hydraulics, automotive fuel systems and lubrication systems, thereby significantly reducing equipment procurement costs.
2. High-precision data acquisition, accurate and stable data
Equipped with high-precision pressure sensors, flow transmitters and torque/speed acquisition modules, the system features a high sampling frequency and excellent synchronisation. It can accurately capture minute fluctuations in flow rate, pressure pulsations and transient response changes, ensuring high repeatability of test data, which can be directly utilised for type testing and R&D benchmarking.
3. Sealed Hydraulic Fluid Circulation: Energy-Efficient and Clean
The entire unit utilises a sealed hydraulic fluid circulation circuit, equipped with precision filtration, oil temperature cooling and a pressure stabilisation and buffering system. This ensures high fluid cleanliness and stable pressure, effectively preventing impurities and oil temperature fluctuations from affecting test accuracy. The equipment operates cleanly, energy-efficiently and with minimal loss.
4. Fully Automated Intelligent Testing, Suitable for Mass Production Quality Inspection
Supports one-button fully automated testing; the system automatically adjusts speed and pressure, switches operating conditions, collects data, generates curves, determines pass/fail results and archives reports. This significantly reduces manual intervention, eliminates human reading errors and is suited to the high-volume production testing cycle.
5. Dual-mode testing: dynamic and static
Supports static pressure-holding tests and dynamic variable-condition simulation tests, capable of simulating real-world operating conditions such as equipment start-up and shutdown, sudden load changes, and high/low-pressure switching. This comprehensively covers all requirements for oil pump R&D calibration, factory inspection and reliability verification.
6. Safety Protection, Stable and Durable Operation
The equipment is equipped with multiple safety mechanisms, including overpressure relief, overload protection, over-temperature shutdown, emergency stop interlock, and audible and visual alarms; high- and low-voltage circuits are separated via shielded cabling, and the cabinet is reliably earthed, making it suitable for continuous, stable 24/7 operation in the workshop.
IV. System Configuration
The complete system comprises eight major modules: a closed-loop hydraulic circulation system, a precision pressure and speed regulation unit, a high-precision sensor data acquisition module, a servo-loaded dynamometer unit, an oil temperature cooling and temperature control system, an electrical control system, an industrial control HMI unit, and dedicated oil pump testing software. It includes a reservoir, filter, cooler, pressure-regulating valve, pressure/flow sensors, torque and speed sensors, control cabinet, industrial control computer, adjustable fixtures and safety protection components. The system features a high degree of structural integration, stable operation and comprehensive functionality.
V. Scope of Application
Suitable for manufacturers, R&D laboratories, quality inspection departments and maintenance and calibration organisations dealing with various types of oil pumps, including hydraulic gear pumps, variable-displacement plunger pumps, vane pumps, engine oil pumps, electronic oil pumps and construction machinery oil pumps. It is primarily used for new product performance calibration, full factory inspection, batch sampling, variable characteristic verification, endurance and service life testing, as well as fault calibration and repair.
VI. After-sales and Warranty Services
We support customisation of non-standard measurement ranges, operating conditions and functional modules, which can be tailored specifically to the characteristics of the customer’s products and testing standards. The supplier provides on-site installation and commissioning, as well as practical operation and maintenance training, and delivers a complete set of technical documentation in both hard copy and electronic formats (including manuals, schematic diagrams, assembly drawings and spare parts lists). The entire unit is covered by a one-year warranty, with lifetime technical support and repair services. We offer rapid response to faults, prioritising remote resolution to ensure the efficient and stable operation of production line testing.
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