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an auxiliary tool

An auxiliary measuring tool and checking tool technology, applied in the field of parts inspection, can solve the problems of complex operation, poor measurement accuracy, low efficiency, etc., and achieve the effect of improving measurement accuracy, convenient operation and improving measurement efficiency

Active Publication Date: 2018-12-07
CRRC QISHUYAN INSTITUTE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To solve the existing defects such as poor measurement accuracy, low efficiency, and complicated operation when measuring the distance between two or more surfaces of a part due to the existence of chamfers and rounded corners in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The auxiliary checking device of the present invention is used to convert the position of the intersection line or intersection point of the measured angle on the part into a directly measurable position. The intersection line or intersection point is at least two points connected to the measured angle on the part. The intersection line or intersection formed by the intersection of the extended surfaces, the corner to be measured is a rounded corner or a chamfer, the rounded corner includes an outer rounded corner and an inner rounded corner, and the chamfered corner includes an outer rounded corner and an inner chamfered corner. The auxiliary checking tool has a position replacement surface and at least two fitting surfaces, and the fitting surfaces are used to fit the surface connected to the measured angle on the part, and the intersection lines of all the fitting surfaces and the The intersection lines or intersection points of the measured angles coincide, and the i...

Embodiment 2

[0054] The auxiliary checking tool of the present invention is divided into an auxiliary checking tool 1 for an external line and an auxiliary checking tool 2 for an internal line. The external line auxiliary inspection tool 1 is used to convert the position of the intersection line or intersection point of the outer fillet or outer chamfer on the part into a position that can be directly measured, and the inner intersection line auxiliary inspection tool 2 is used to convert the inner fillet on the part Or the intersection line or intersection point of the inner chamfer is converted into a directly measurable position. in:

[0055] Auxiliary inspection tools for internal intersection lines such as Figure 5 , Figure 6 As shown, it includes a first inner intersection line measurement arm 22, a second inner intersection line measurement arm 21 and a connecting arm 23, and the first inner intersection line measurement arm and the second inner intersection line measurement arm...

Embodiment 3

[0059] This embodiment provides a method for detecting a part using an auxiliary gauge, which is used to measure the distance between the intersection line of the measured angle I and the intersection line of the measured angle II on the part, the measured angle I and the measured angle Angle measurement II is an outer chamfer or outer fillet, and the method includes the following steps:

[0060]S101. Select the external line auxiliary checking tool adapted to the measured angle I, and stick the first outer fitting surface and the second outer fitting surface of the outer line auxiliary checking tool against the two sides connected to the measured angle I. A surface; select the external line auxiliary checking tool adapted to the measured angle II, and the first outer fitting surface and the second outer fitting surface of the outer line auxiliary checking tool are closely connected to the measured angle II. Two faces; the alternate faces of the outer line positions of the two...

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Abstract

The invention relates to the technical field of part detection, and particularly relates to an auxiliary checking fixture. The auxiliary checking fixture is provided with a position replacement surface and two fit surfaces, wherein the fit surfaces are used for fitting the surfaces, connected to a detected corner, of a part, the intersecting line of the fit surfaces is superposed with the intersecting line or point of the detected corner, and the intersecting line of all the fit surfaces and the position replacement surface are located within the same plane. The auxiliary checking fixture can accurately and quickly change the intersecting line position of a chamfer or a fillet into a visible and measurable replacing position, so that a measuring tool such as a vernier caliper or the like can accomplish measurement. The auxiliary checking fixture is compact in structure, low in cost, flexible in operation and wide in application range, and can significantly improve the efficiency and the accuracy of measurement when being used with the measuring tool.

Description

technical field [0001] The invention relates to the technical field of component detection, in particular to an auxiliary detection tool. Background technique [0002] For the material processing and machinery industry, there are a large number of fillet and chamfer features in blanks, mold cavities and subsequent machined parts, and most of the intersecting surfaces are non-90° angles. The existence of these features increases the difficulty of measuring the distance between the intersection lines of two or more surfaces. In the prior art, there are generally three methods for measuring the size of the fillet and chamfer intersection line as follows: [0003] 1. Three-coordinate measuring instrument method. This method uses a three-coordinate measuring machine for measurement, and the measurement data is relatively accurate. However, the three-coordinate measuring machine is bulky, expensive, and complicated to operate. It is not suitable for rapid on-site measurement, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/02
CPCG01B5/02
Inventor 阮发林杨诚
Owner CRRC QISHUYAN INSTITUTE CO LTD