Device and method for evaluating and testing mechanical performance of filling sand prevention tool
The invention provides a mechanical performance evaluation test device and method for a filling sand prevention tool, the lower end of a test sleeve of the device is provided with a sleeve pressing electromagnetic valve and a sleeve discharge outlet electromagnetic valve, the upper end of the test s...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a mechanical performance evaluation test device and method for a filling sand prevention tool, the lower end of a test sleeve of the device is provided with a sleeve pressing electromagnetic valve and a sleeve discharge outlet electromagnetic valve, the upper end of the test sleeve is provided with a backwashing inlet electromagnetic valve and a backwashing outlet electromagnetic valve, and the filling sand prevention tool is arranged in the test sleeve; the hydraulic cylinder is connected with a hydraulic cylinder driving device through a quick connector, an oil pipe inlet electromagnetic valve and an oil pipe outlet electromagnetic valve are arranged on one side of the quick connector, a thrust cavity inlet electromagnetic valve and a thrust cavity outlet electromagnetic valve are arranged on one side of the hydraulic cylinder driving device, and a tension cavity inlet electromagnetic valve and a tension cavity outlet electromagnetic valve are arranged on the other side of the hydraul |
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