Centering clamp for machining train brake disc

By designing a centering fixture including an insertion mechanism and an adjustment mechanism, the brake disc shaking problem caused by gaps in the prior art is solved, and stable fixation and precise processing of brake discs of different sizes are achieved.

CN222661493UActive Publication Date: 2025-03-25NANTONG LIANXIANG MASCH CO LTD
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Patent Information

Application Number
CN202421451557.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-25
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing centering fixtures used for train brake disc processing may have problems such as gaps causing shaking when the connecting rod enters the brake disc hole.

Method used

A centering fixture including a downward housing, an insertion mechanism and an adjustment mechanism is designed. The insertion mechanism realizes stable fixation of the brake disc through the combination of the insertion rod, connecting rod, threaded portion, sliding ring and rotating rod; the adjustment mechanism can adjust the position of the insertion mechanism to adapt to brake discs of different sizes through the cooperation of the worm, worm gear and threaded rod.

Benefits of technology

It effectively avoids shaking caused by gaps during processing, ensures stable and fixed brake discs, and improves processing accuracy and quality.

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Abstract

The utility model relates to the technical field of brake disc clamps, in particular to a centering clamp for machining a train brake disc, which comprises a lower pressing shell, and an inserting mechanism is arranged below the lower pressing shell. The inserting mechanism comprises a connecting rod, the connecting rod penetrates out of the bottom end of the lower pressing shell, the end, penetrating into the lower pressing shell, of the connecting rod is rotationally connected with an inserting rod, a threaded part is arranged outside the connecting rod, a clamping ring is rotationally connected to the position, below the threaded part, of the outer portion of the connecting rod, and a sliding ring is slidably connected to the outer wall of the threaded part. When the inserting rod and the connecting rod enter the brake disc, the micro motor embedded in the inserting rod drives the connecting rod to rotate, the sliding ring slides along the threaded part under the limiting support of the telescopic rod, the rotating rod is pushed to move, and the rotating rod is driven to rotate under the limiting support of the clamping ring. And the angle is changed until the inner wall of the brake disc is pressed, so that the stabilizing effect is achieved, gaps are avoided, and shaking in the machining process is avoided.
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