Balancing valve set durability test system

By combining a single-pump system with a programmable controller, the system automatically switches between forward and reverse testing, solving the problems of high cost and discontinuity of manual operation in the durability testing of hydraulic balance valves, and achieving efficient and reliable durability testing.

CN116816766BActive Publication Date: 2026-06-02HUNAN NORMA HYDRAULIC TECH CO LTD
2 Cites 0 Cited by

Patent Information

Application Number
CN202310919921.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-26
Publication Date
2026-06-02
Estimated Expiration
2043-07-26

AI Technical Summary

Technical Problem

Existing durability testing methods for hydraulic balance valves require a large amount of manual operation, resulting in high costs and discontinuous testing, making it difficult to meet the requirements of high-frequency durability testing.

Method used

A single-pump system combined with a programmable controller is used to automatically switch between forward and reverse testing via a three-position four-way solenoid directional valve. This simulates actual working conditions, records the number of tests, and tests the durability of the check valve, relief valve, and balance valve inside the balance valve group.

Benefits of technology

It enables efficient and automated durability testing, reducing testing costs, shortening time, and improving the reliability and consistency of test results.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present application relates to the quality control of hydraulic components, in particular to a testing system for balance valve groups. The balance valve group durability testing system comprises a forward testing system circuit and a reverse testing system circuit, the balance valve group to be tested is connected in the testing system, the forward testing system circuit and the reverse testing system circuit share a hydraulic pump, the hydraulic pump pumps hydraulic oil in an oil tank to the forward testing system circuit or the reverse testing system circuit through a three-position four-way electromagnetic reversing valve controlled by a programmable controller, the three-position four-way electromagnetic reversing valve has a Y-shaped neutral position, and the three-position four-way electromagnetic reversing valve reciprocally switches between the left position, the neutral position and the right position under the control of the programmable controller, so that the forward testing and the reverse testing are reciprocally switched. The present application not only provides a balance valve durability testing technology, but also realizes the durability testing of balance valve groups.
Need to check novelty before this filing date? Find Prior Art