A portable electro-hydraulic servo valve on/off-line detection device and method thereof
An electro-hydraulic servo valve, off-line detection technology, applied in mechanical equipment, fluid pressure actuation system testing, fluid pressure actuation system components, etc. and other problems to achieve the effect of ensuring production efficiency
Active Publication Date: 2022-04-15
YANSHAN UNIV
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Problems solved by technology
[0003] The existing offline detection method is mainly used in the test system of the servo valve maintenance and testing manufacturer. Although the offline detection method can reduce the cost of servo valve detection, it needs to remove the servo valve from the original servo system and install it on an independent testing device. It takes a lot of time and manpower, and the equipment cannot work normally while the servo valve is faulty and waiting for detection, resulting in a decrease in production efficiency
Therefore, there are certain defects and deficiencies in the existing methods for detecting servo valves, and there is still a lot of room for improvement and perfection.
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[0071] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
[0072] It should be noted that in the description of the present invention, the terms "upper", "lower", "top", "bottom", "side", "other side", "left", "right" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplification of the description, and does not mean that devices or elements must have a specific orientation, be constructed and operated in a s...
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The invention relates to a portable electro-hydraulic servo valve on / off-line detection device and method thereof, the device includes a sensor integrated valve block assembly and a first adapter plate for connecting the sensor integrated valve block assembly and the servo valve to be tested, and The second adapter plate used to connect the pipeline of the original working hydraulic system and the sensor integrated valve block assembly; the detection method includes online detection and offline detection. Next, the sensor integrated valve block assembly detects the pressure, flow, and leakage information of the servo valve, so as to judge whether the servo valve is working normally; the offline detection method uses a pressure regulating valve to simulate the load, and the sensor detects the servo valve, specifically including: no-load flow Characteristic test, pressure characteristic test, leakage characteristic test, load flow characteristic test. The invention can reduce the detection cost of the servo valve and improve the detection efficiency, and has great significance for the test and fault detection of the servo valve.
Description
technical field [0001] The invention relates to the technical field of electro-hydraulic servo valves, in particular to a portable electro-hydraulic servo valve on / off-line detection device and a method thereof. Background technique [0002] The servo valve is the core control element in the electro-hydraulic servo system, but it is not easy to detect the fault of the servo valve itself, so it is particularly important to detect the servo valve in time to prevent the fault. There are some problems in the online detection method and offline detection method mainly used in the industry at this stage. The existing online detection method requires the test sensor of the servo valve to be built into the system at the beginning of the system design. Although it has the advantages of high integration and detection under the working condition of the system, it increases the manufacturing and assembly costs of the system. [0003] The existing offline detection method is mainly used...
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IPC IPC(8): F15B19/00F15B21/00
CPCF15B19/005F15B21/00
Inventor 贾春玉王翟张勇斌李背赵旭亮骆海明张天贵安会江董志奎
Owner YANSHAN UNIV