A self-locking nut closing tool for a moving bolster plate

By designing a self-locking nut finishing fixture for a floating support plate, and utilizing the cooperation of guide protrusions and guide grooves, combined with the adjustment of the stroke by washers and the unloading hole, the problem of expensive equipment in small-batch production is solved, and an efficient and non-destructive finishing process is achieved.

CN224444235UActive Publication Date: 2026-07-03SICHUAN SHENYING AVIATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN SHENYING AVIATION TECH CO LTD
Filing Date
2025-05-30
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In the existing technology, the small-batch production of self-locking nuts for floating pallets requires expensive special finishing equipment, resulting in high unit cost of the product.

Method used

A self-locking nut closing fixture for a floating support plate was designed, including a lower fixture and an upper fixture. The closing accuracy is ensured by the cooperation of the guide protrusion and the guide groove, and the closing amount is controlled by adjusting the stroke through the washer. The unloading hole simplifies the part removal process.

Benefits of technology

This invention achieves a simple and easy-to-operate self-locking nut end capping mechanism, reducing equipment modification costs, improving production efficiency, and preventing damage to the nut surface.

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Abstract

The utility model provides a kind of self-locking nut closing-in tool of travelling support plate, and it is related to closing-in tool technical field.The closing-in tool includes lower tool (1) and upper tool (2), wherein the lower tool (1) is set on workbench, the top of the lower tool (1) is used to install self-locking nut (4);The upper tool (2) is set above the lower tool (1);The bottom of the upper tool (2) is equipped with closing-in hole (202);When the upper tool (2) is pressed down, closing-in hole (202) converts axial pressure into the closing-in force applied to self-locking nut (4).The utility model is simple in structure, convenient to operate, and can quickly complete the closing-in of travelling support plate self-locking nut.
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