A kind of cylindrical valve digital hydraulic cylinder performance testing device

By designing a performance testing device for digital hydraulic cylinders of cylindrical valves, and utilizing components such as PLC controllers and hydraulic locking valve groups, the performance testing of digital hydraulic cylinders of cylindrical valves is realized, which solves the problem of insufficient testing methods in the existing technology and improves the operational reliability and control accuracy of cylindrical valves.

CN224352195UActive Publication Date: 2026-06-12DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD
Filing Date
2025-06-18
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

The lack of effective testing methods for the performance of digital hydraulic cylinders for cylindrical valves in the existing technology makes it difficult to evaluate and optimize their performance, which affects the operational reliability and control accuracy of cylindrical valves.

⚗Method used

A testing device was designed, comprising a PLC controller, a loading component, an oil station, a displacement sensor, and a force sensor. Through a hydraulically controlled locking valve assembly and a one-way self-replenishing oil component, the performance of a digital hydraulic cylinder is tested, simulating load conditions under different working conditions. The performance indicators are detected by displacement and force sensors, and the data is analyzed using the PLC controller.

🎯Benefits of technology

It improves the performance evaluation and optimization of digital hydraulic cylinders for cylindrical valves, enhances the operational reliability and control accuracy of cylindrical valves, and features a simple structure, low cost, convenient operation, and environmental friendliness and energy saving.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of cylindrical valve digital hydraulic cylinder performance testing devices, related to cylindrical valve technical field, including oil station, loading assembly, displacement sensor, force sensor and PLC controller, loading assembly includes loading cylinder, first switch valve, electromagnetic reversing valve, one-way self-supplying oil component, load adjustment assembly, hydraulic control locking valve group A and hydraulic control locking valve group B, electromagnetic reversing valve is connected with oil pump by first switch valve, and is connected to loading cylinder by hydraulic control locking valve group A and hydraulic control locking valve group B respectively;One-way self-supplying oil component and load adjustment assembly are connected between hydraulic control locking valve group A and hydraulic control locking valve group B in parallel;PLC controller is connected with oil pump, first switch valve, electromagnetic reversing valve, load adjustment assembly, displacement sensor, force sensor and pressure sensor respectively.The device solves the technical problem that there is no suitable test for cylindrical valve digital hydraulic cylinder in the prior art.
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