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Inner diameter measuring tool and method for measuring inner diameter of cartridge receiver spigot

A technology for measuring tool and inner diameter, applied in the direction of mechanical diameter measurement, etc., can solve the problems of large influence error, inability to obtain inner diameter measurement data, etc., to achieve the effect of simple structure, improved rapid positioning efficiency, and rapid and accurate inner diameter measurement

Pending Publication Date: 2021-12-17
AECC COMML AIRCRAFT ENGINE CO LTD
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Problems solved by technology

However, the inventors found that the existing measurement methods rely too much on the operator's hand feeling, and the human factors in the measurement results have a large error, and it is impossible to obtain accurate inner diameter measurement data

Method used

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  • Inner diameter measuring tool and method for measuring inner diameter of cartridge receiver spigot
  • Inner diameter measuring tool and method for measuring inner diameter of cartridge receiver spigot
  • Inner diameter measuring tool and method for measuring inner diameter of cartridge receiver spigot

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Embodiment Construction

[0043] A variety of different implementations or examples for implementing the described subject technical solutions are disclosed below. In order to simplify the disclosure, the following describes the specific examples of each element and arrangement, and of course, these are only examples, and are not intended to limit the protection scope of the present application. For example, the description that the first feature described later in the description is formed on or above the second feature may include an embodiment in which the first and second features are formed through direct contact, and may also include an embodiment in which the first and second features are formed between the first and second features. Embodiments of additional features such that there may be no direct relationship between the first and second features. Additionally, reference numerals and / or letters may be repeated in different instances in these disclosures. This repetition is for brevity and c...

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Abstract

One purpose of the invention is to provide an inner diameter measuring tool which can realize accurate measurement of inner diameter. Another purpose of the invention is to provide a method for measuring the inner diameter of a cartridge receiver spigot, in which the inner diameter measuring tool is adopted to measure the inner diameter of the cartridge receiver spigot. The inner diameter measuring tool comprises a support, two positioning pieces and two measuring pieces. The upper surface of the support is provided with scale marks. The two positioning pieces are movably connected with the support so that the two positioning pieces can move in the length direction, and the two measuring pieces are arranged at the two ends of the support in the length direction respectively. At least one positioning piece is configured to be a V-shaped positioning piece, and is provided with positioning supporting legs protruding out of the two sides of a positioning piece body, so that the positioning supporting legs can be in linear contact with and positioned on the peripheral wall face of a cylinder piece when the inner diameter of the cylinder piece is measured.

Description

technical field [0001] The invention relates to an inner diameter measuring tool and a method for measuring the inner diameter of a case notch. Background technique [0002] Engine assembly or disassembly involves extensive dimensional checks such as lengths, angles or diameters. Among them, the size of the engine casing is relatively large, and the connection inner spigot of the casing installation side is relatively shallow, and conventional measuring tools cannot measure the inner diameter of the spigot. [0003] The measurement of the internal strength of the existing receiver notch is to use the measurement tool to measure after finding the maximum point of diameter measurement by the hand feeling of the measurer. However, the inventors found that the existing measurement method relies too much on the hand feeling of the operator, and the human factors in the measurement results have large errors, so that accurate measurement data of the inner diameter cannot be obtain...

Claims

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Application Information

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IPC IPC(8): G01B5/12
CPCG01B5/12
Inventor 胡一廷苏巧灵李志平涂卫强
Owner AECC COMML AIRCRAFT ENGINE CO LTD
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