The static characteristics of hydraulic pump devices mainly include flow-pressure characteristics and efficiency-pressure characteristics. The following are several commonly used measurement methods: 1. Flow-pressure characteristic measurement: This method is used to measure the flow rate of the hydraulic pump device under different pressures, and its flow-pressure characteristic curve can be drawn through these data. The specific measurement steps are: firstly raise the oil temperature to the set value through the oil temperature controller, then connect the hydraulic pump to the oil cylinder, after the pipeline is connected, use a pressure gauge to measure the pressure difference between the inlet and outlet of the oil cylinder, and at the same time Use a flowmeter to measure the flow of oil and record the corresponding data. According to the measurement results, the flow rate of the hydraulic pump device under different pressures can be obtained. 2. Efficiency-pressure characteristic measurement: This method is used to measure the efficiency of the hydraulic pump device under different pressures, and its efficiency-pressure characteristic curve can be drawn through these data. The specific measurement steps are as follows: firstly, the hydraulic pump device is connected with the oil cylinder, and connected with the hydraulic system, and the oil temperature in the system is controlled above the set value. Then use a pressure gauge to measure the pressure difference between the inlet and outlet of the hydraulic pump, and measure the electrical power consumed by the hydraulic pump device under different pressures. According to the measurement results, the efficiency of the hydraulic pump device under different pressures can be obtained. 3. Vibration measurement method: This method is suitable for noise and vibration analysis of hydraulic pump devices. The specific measurement steps are as follows: firstly, the vibration generated by the hydraulic pump device is measured by the sensor, and then the measured data is analyzed and processed by the signal processor, and relevant parameters such as the vibration frequency and vibration amplitude of the hydraulic pump device can be obtained. 90-R-130-KA-5-CD-80-S-3-C8-H-03-GBA-42-42-24 90R130KA5CD80S3C8H03GBA424224 90R130-KA-5-CD-80-S-3-C8-H-03-GBA-42-42-24 90R130KA5CD80S3C8H03GBA424224 90-R-130-KA-5-CD-80-S-3-C8-H-03-GBA-38-38-26 90R130KA5CD80S3C8H03GBA383826 90R130-KA-5-CD-80-S-3-C8-H-03-GBA-38-38-26 90R130KA5CD80S3C8H03GBA383826 90-R-130-KA-5-CD-80-S-3-C8-H-03-GBA-26-26-28 90R130KA5CD80S3C8H03GBA262628 90R130-KA-5-CD-80-S-3-C8-H-03-GBA-26-26-28 90R130KA5CD80S3C8H03GBA262628 90-R-130-KA-5-CD-80-S-3-C8-F-03-GBA-45-45-24 90R130KA5CD80S3C8F03GBA454524 90R130-KA-5-CD-80-S-3-C8-F-03-GBA-45-45-24 90R130KA5CD80S3C8F03GBA454524 90-R-130-KA-5-CD-80-S-3-C8-F-03-GBA-42-42-30 90R130KA5CD80S3C8F03GBA424230 90R130-KA-5-CD-80-S-3-C8-F-03-GBA-42-42-30 90R130KA5CD80S3C8F03GBA424230 4. Pressure-time characteristic measurement: This method is used to measure the response speed of the hydraulic pump device under different conditions, that is, the rate at which the pressure rises or falls. The specific measurement steps are as follows: first, connect the hydraulic pump device with the oil cylinder, and connect it with the hydraulic system. Then measure the pressure between the inlet and outlet of the hydraulic pump with a pressure gauge, and record the corresponding pressure values at different time points. According to the measurement results, the response speed of the hydraulic pump device under different conditions can be obtained. 5. Noise measurement of hydraulic pump device: This method is used to measure the noise level generated when the hydraulic pump device is working. The specific measurement steps are: install noise sensors around the hydraulic pump device, and record the noise level generated by the hydraulic pump device under different working conditions. Based on the measurement results, it is possible to assess whether the noise level of the hydraulic pump unit complies with the specified standards. 6. Temperature measurement: This method is used to measure the working temperature of the hydraulic pump device. When the hydraulic pump device is working, it will generate heat due to energy conversion, so it is necessary to measure the temperature in time to ensure that the hydraulic pump device is not overheated. The specific measurement method is: install a temperature sensor between the inlet and outlet of the hydraulic pump, record the working temperature of the hydraulic pump device, and take cooling measures if necessary. 7. Pressure pulsation measurement: This method is used to measure the pulsation of the output pressure of the hydraulic pump device, which can be measured by a vibration sensor. Pressure sensors are installed at the inlet and outlet of the hydraulic pump, and the vibration sensor is used to record the pulsation of the output pressure of the hydraulic pump device. According to the measurement results, corresponding optimization measures can be carried out to make the output pressure of the hydraulic pump device more stable. In general, the above methods are commonly used methods for measuring the static characteristics of hydraulic pump devices, which can well reflect the performance parameters of hydraulic pump devices and provide reference for the debugging and optimization of hydraulic systems. In addition to the static characteristic test, the dynamic characteristic test of the hydraulic pump device can also be carried out, mainly including: 1. Response time measurement: This method is used to measure the response time of the hydraulic pump device to the input signal, that is, the time required from the input signal to the output pressure reaching a steady state. The specific measurement steps are: connect the signal generator with the hydraulic pump, set a certain input signal, record the input signal and output pressure changes, and thus obtain the response time of the hydraulic pump device to the input signal. 90-R-130-KA-5-CD-80-S-3-C8-F-03-GBA-42-42-24 90R130KA5CD80S3C8F03GBA424224 90R130-KA-5-CD-80-S-3-C8-F-03-GBA-42-42-24 90R130KA5CD80S3C8F03GBA424224 90-R-130-KA-5-CD-80-R-4-F1-H-02-GBA-35-35-24 90R130KA5CD80R4F1H02GBA353524 90R130-KA-5-CD-80-R-4-F1-H-02-GBA-35-35-24 90R130KA5CD80R4F1H02GBA353524 90-R-130-KA-5-CD-80-R-4-F1-F-03-GBA-42-42-24 90R130KA5CD80R4F1F03GBA424224 90-R-130-KA-5-CD-80-R-4-F1-F-03-GBA-14-14-24 90R130KA5CD80R4F1F03GBA141424 90R130-KA-5-CD-80-R-4-F1-F-03-GBA-14-14-24 90R130KA5CD80R4F1F03GBA141424 90-R-130-KA-5-CD-80-R-4-F1-F-02-GBA-35-35-24 90R130KA5CD80R4F1F02GBA353524 90R130-KA-5-CD-80-R-4-F1-F-02-GBA-35-35-24 90R130KA5CD80R4F1F02GBA353524 90-R-130-KA-5-CD-80-R-3-F1-H-03-GBA-35-35-24 90R130KA5CD80R3F1H03GBA353524 2. Stability test: This method is used to measure the stability of the hydraulic pump device when it is working. The specific measurement steps are: install pressure sensors at the inlet and outlet of the hydraulic pump, record the input and output pressure of the hydraulic pump device, and use the vibration sensor to measure the vibration generated by the hydraulic pump device during operation. Based on the measurement results, the stability of the hydraulic pump unit can be evaluated, and adjustments and optimization measures can be carried out in a targeted manner. 3. Simulated load test: This method is used to simulate the working conditions of the hydraulic pump device under the actual working load. The specific measurement steps are: connect the hydraulic pump device to the simulated load, record the output pressure and flow of the hydraulic pump device, measure multiple sets of data under different operating conditions, and analyze and optimize according to the measurement results. 4. Measurement of pressurization time: This method is used to measure the time required for the hydraulic pump device to pressurize. The specific measurement steps are: connect the hydraulic pump device to the oil cylinder, drain the oil inside the oil cylinder before starting the measurement, and then record the time required from the start of the hydraulic pump to the inside of the oil cylinder reaching a certain pressure. According to the measurement results, it can be evaluated whether the pressurization speed of the hydraulic pump device meets the requirements. In general, the dynamic test of the hydraulic pump device can better reflect its actual working state, and can help designers evaluate the performance of the hydraulic pump device more accurately. Different dynamic test methods can be selected and applied in a targeted manner, so as to obtain more accurate measurement results.