一种贯流式机组定子现场钻孔工装夹具

By designing a drilling fixture for the stator of a flow-through unit and using a wedge plate to adjust the angle of the magnetic drill bit, the problem of magnetic drills being unable to accurately drill inclined holes was solved, thus achieving efficient inclined hole processing and chip collection for stator flanges.

CN224508517UActive Publication Date: 2026-07-17HUBEI HANJIANG WANGFUZHOU HYDROPOWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI HANJIANG WANGFUZHOU HYDROPOWER CO LTD
Filing Date
2025-07-28
Publication Date
2026-07-17

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Abstract

本实用新型提供一种贯流式机组定子现场钻孔工装夹具，包括紧靠定子法兰端面的楔形板，在楔形板的较厚一侧中部设有通槽，在通槽下方设有与楔形板安装平面一侧平齐的安装板，在安装板上设有分布于通槽的两侧并用于穿过定子法兰的连接螺杆，在连接螺杆的末端设有连接板,通过设置与配钻销孔角度匹配的楔形板，然后通过连接螺杆和连接板，就可以固定楔形板的位置，再把磁力钻安装在楔形板上，磁力钻上的钻头从通槽穿过就可以对定子法兰打孔，实现在定子法兰上配钻一定角度斜孔的目的。
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Claims

1. A field drilling fixture for a tubular generator stator, characterized by: The device includes a wedge plate (12) close to the end face of the stator flange (11), a through groove (121) in the middle of the thicker side of the wedge plate (12), an mounting plate (13) flush with the mounting plane of the wedge plate (12) below the through groove (121), a connecting screw (14) distributed on both sides of the through groove (121) for passing through the stator flange (11) on the mounting plate (13), and a connecting plate (24) at the end of the connecting screw (14).

2. The field drilling fixture for a tubular turbine unit stator according to claim 1, characterized in that: A scrap collection box (15) is also fitted on the connecting plate (24); the scrap collection box (15) is a sleeve shape with one side closed, and the opening of the scrap collection box (15) is aligned with the through groove (121).

3. The field drilling fixture for a tubular turbine unit stator according to claim 1, characterized in that: The wedge plate (12) includes a rectangular base plate (21) and an inclined plate (22) mounted on the rectangular base plate (21) at a certain angle.

4. The field drilling fixture for a tubular turbine unit stator according to claim 3, characterized in that: A countersunk hole (211) is provided on the rectangular base plate (21), and a corresponding threaded hole (221) is provided on the inclined plate (22).

5. The field drilling fixture for a tubular turbine unit stator according to claim 2, characterized in that: The scrap collection box (15) is made of iron, and a magnet (16) is provided on the outer bottom of the scrap collection box (15).

6. A field drilling fixture for a tubular turbine unit stator as claimed in claim 5, characterized in that: The magnet (16) is detachably attached to the bottom of the scrap collection box (15).