A vibration damper guide seat valve assembly equipment

CN119927620BActive Publication Date: 2026-05-26CRRC TANGSHAN CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CRRC TANGSHAN CO LTD
Filing Date
2025-01-23
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The installation of the existing shock absorber guide seat valve core relies on experience, and the compression force is not precise enough, resulting in an inability to guarantee the installation qualification rate.

Method used

A shock absorber guide seat valve assembly device is adopted, including a frame, a lower positioning device, an upper clamping device, a first detection component and a second detection component. The test oil circuit is connected to the guide seat valve oil circuit. The valve core component is detected by high and low range flow and pressure sensors to achieve precise parameter detection and adjustment.

Benefits of technology

This improved the assembly precision of the pilot seat valve, reduced the rework rate caused by non-conforming items at the test station, and enhanced the accuracy and efficiency of installation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119927620B_ABST
    Figure CN119927620B_ABST
Patent Text Reader

Abstract

This application provides a shock absorber guide seat valve assembly device. The guide seat is fixed on a lower positioning device and pressed by an upper clamping device. The lower positioning device is equipped with a test oil circuit, which is connected to the guide seat oil circuit of the guide seat. A first detection component and a second detection component are respectively connected to the test oil circuit. The measurement range of the first flow sensor is greater than the measurement range of the second flow sensor, and the measurement range of the first pressure sensor is greater than the measurement range of the second pressure sensor. Thus, two-stage high and low range detection components are set up to detect the valve core assembly. The test oil circuit provides the valves of different speed levels on the guide seat valve with corresponding flow rate and pressure hydraulic oil, and detects the flow rate and pressure parameters corresponding to the opening and closing time of the guide seat valve. This allows for the detection of the pre-adjustment of the valve core assembly, resulting in higher assembly accuracy of the guide seat valve and reducing the rework rate caused by non-conforming conditions at the test station.
Need to check novelty before this filing date? Find Prior Art