Modularized node multi-mode interface force transfer test system

Through the modular node multi-modal interface force transmission testing system, the detachable and spliced ​​unit body design and built-in sensing fiber technology are adopted to solve the shortcomings in the prefabricated dry node interface stress measurement in the existing technology, and the precision of multi-angle and multi-modal testing is achieved, which improves the accuracy and reliability of the test results.

CN119666207AActive Publication Date: 2025-03-21SHENZHEN UNIV
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Patent Information

Application Number
CN202411900086.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-03-21
Estimated Expiration
2044-12-23

AI Technical Summary

Technical Problem

The prior art is difficult to accurately measure local important contact stress information on the prefabricated dry node interface, and it mainly relies on stress testing in a single mode, and it is impossible to control and test node behavior in multiple modes at the same time.

Method used

A modular node multi-modal interface force transmission testing system is designed, adopting a detachable and spliced ​​unit body design, and the built-in sensing fiber achieves accurate measurement of the node interface force transmission distribution and force transmission contribution. The system includes a node mode control device and a node interface force transmission test system, and uses distributed fiber-packaging shells and spiral micro-moving rods to achieve multi-angle and multi-modal test control.

Benefits of technology

It realizes accurate measurement of the force transmission distribution and force transmission contribution of the node interface, enhances the flexibility and adaptability of the system, can control and test node behaviors under multiple modes, and improves the accuracy and reliability of the test results.

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Abstract

The invention discloses a modularized node multi-mode interface force transmission test system, and relates to the technical field of high-end equipment manufacturing, and the technical scheme is characterized in that the modularized node multi-mode interface force transmission test system comprises a node mode control device and a node interface force transmission test system; the node modal control device comprises a reaction frame, at least two node fixing beams, at least two groups of spiral micro-motion rods and at least two node structures, and is used for fixing node structures of different structure types and adjusting the modal of the node structures; the node interface force transmission testing system comprises a distributed optical fiber packaging shell, a distributed optical fiber, a rotating shaft, a portable computer, a distributed optical fiber demodulator, a data jumper wire, an optical fiber jumper wire and an optical fiber adapter flange, and is used for monitoring stress transmission distribution conditions of different interfaces of a node and calculating force transmission contributions of different interfaces. Through the modular design, the system can adapt to different forms of node test requirements, and realizes accurate measurement of node interface force transmission distribution and force transmission contribution through a built-in sensing optical fiber.
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