一种法兰盘外径检测装置

By designing an adjustable second measuring rod with an adjustable initial position and an automatic reset mechanism, the problems of severe wear and decreased accuracy in traditional flange outer diameter detection devices have been solved, achieving efficient and accurate flange outer diameter detection.

CN224517621UActive Publication Date: 2026-07-17ZHANGQIU ZHONGNUO FORGE & FOUNDARY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHANGQIU ZHONGNUO FORGE & FOUNDARY CO LTD
Filing Date
2025-07-10
Publication Date
2026-07-17

Smart Images

  • Figure CN224517621U_ABST
    Figure CN224517621U_ABST
Patent Text Reader

Abstract

本实用新型涉及法兰直径检测技术领域,具体公开了一种法兰盘外径检测装置,包括底座,所述底座的上端设有导向板,所述导向板的一侧连接有固定的第一测杆和可滑动的第二测杆,导向板的侧壁上设有刻度尺,刻度尺的“0”刻度线与第一测杆的内侧壁对齐,导向板的后侧设有第一导向杆,第一导向杆上套有可滑动的顶块,顶块上设有定位螺栓,导向板上设有让位孔,第二侧杆的端部设有驱动块,驱动块穿过让位孔套在第一导向杆上,驱动块与顶块之间通过弹簧连接;本实用新型的第二测杆的初始位置可调节,能够大幅缩短滑动行程,避免传统长行程导致的操作不便以及易磨损的问题,确保了长期使用的检测精度,缩短了检测时间,使用方便,提高了检测效率。
Need to check novelty before this filing date? Find Prior Art

Claims

1. A flange outer diameter detection device, characterized by: The device includes a base, with a guide plate at the upper end of the base. A fixed first measuring rod and a slidable second measuring rod are connected to one side of the guide plate. A scale is provided on the side wall of the guide plate, with the "0" mark of the scale aligned with the inner side wall of the first measuring rod. A first guide rod is provided on the rear side of the guide plate, with a slidable top block fitted on the first guide rod. A positioning bolt is provided on the top block. A clearance hole is provided on the guide plate. A driving block is provided at the end of the second measuring rod. The driving block passes through the clearance hole and is fitted onto the first guide rod. The driving block and the top block are connected by a spring.

2. The flange outer diameter detection device of claim 1, wherein: The upper end of the base is provided with a sliding groove, and a second guide rod is provided in the sliding groove. The lower end of the second side rod is provided with a sliding sleeve that cooperates with the second guide rod.

3. The flange outer diameter detection device of claim 1, wherein: A handle is provided on the side wall of the second side rod.

4. The flange outer diameter detection device as described in claim 1, characterized in that: The base has an anti-slip pad on its bottom.

5. The flange outer diameter detection device of claim 1, wherein: The base has a drawer at its front end.

6. The flange outer diameter detection device of claim 1, wherein: The scale has two movable positioning blocks on one side, which are used to indicate the maximum and minimum values ​​of the qualified outer diameter of the flange, respectively.

7. A flange outer diameter detection device as claimed in claim 6, characterized in that: The upper end of the guide plate is provided with a guide rail, and the positioning block is connected to a slider that cooperates with the guide rail via a pull rod. The slider is provided with a locking bolt.