A Detection Tool for Measuring the Minor Diameter of the Conical Platform at the Inner End of a Deep Hole

A detection tool and conical table technology, applied in the field of measuring instruments, can solve problems such as difficulty in measuring the small diameter of a conical table inside a deep hole, and achieve the effects of reducing measurement costs, improving measurement efficiency, and facilitating operation
CN107796281BActive Publication Date: 2019-07-23JIANGSU UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU UNIV OF TECH
Publication Date
2019-07-23

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Abstract

The invention belongs to the technical field of measuring instruments, and in particular relates to a detection tool for measuring the small diameter of a conical pedestal at the inner end of a deep hole. And the guide rail, the positioning cone is slidably set on the main rod, and the positioning cone and the main rod are concentric, a measuring groove is opened from the peripheral surface of the positioning cone to the axis, and the end surface of the measuring groove is provided with a scale line; the measuring rod is provided with Handle and drag block, the handle is slidingly set on the measuring rod, and the handle cooperates with the guide rail to drive the measuring rod to move closer to or away from the main rod. There is a cursor on the drag block, and the cursor moves along the measuring groove with the drag block. It is arranged between the fixed clip and the positioning cone, the fixed clip and the drag block limit the axial movement of the cursor, and the cursor is separated from the drag block in the weightless state of the measuring rod.
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Description

technical field

[0001] The invention belongs to the technical field of measuring instruments, in particular to a detection tool for measuring the small diameter of a conical pedestal at the inner end of a deep hole. Background technique

[0002] Due to the difference in depth and diameter, traditional measurement tools often have measurement difficulties and large errors in measurement data when measuring the conical platform inside a deep hole. Measurement, the cost is high, the operation technology content is high, and on-site measurement cannot be done. For the measurement of non-standard parts, the measurement personnel often need to go to the site to measure the assembly situation. This product mainly solves how to quickly and accurately measure the cone inside the deep hole. At the same time, this product can also determine the depth of deep holes and improve the internal dimensions of deep hole parts. It is easy to operate and easy to master, suitable for on-site meas...

Claims

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