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Multistage assembled casing length measuring tool

A length measurement and tool technology, which is applied in the field of multi-stage assembly casing length measurement tools, can solve problems such as low measurement efficiency, and achieve the effects of improving assembly efficiency and avoiding large data accumulation errors.

Inactive Publication Date: 2017-07-14
AECC SHENYANG ENGINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 3) Low measurement efficiency

Method used

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  • Multistage assembled casing length measuring tool
  • Multistage assembled casing length measuring tool
  • Multistage assembled casing length measuring tool

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Embodiment Construction

[0027] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention discloses a multistage assembled casing length measuring tool, and belongs to the field of measuring tools. The multistage assembled casing length measuring tool comprises a bracket portion and a sliding scale portion, and is characterized in that the bracket portion is composed of a strong force clamp, a limit block, a pedestal, a baseline rod and an upper base; the sliding scale portion is composed of a sliding block, an indicator wall rod, an opening collet chuck and a scale; one end of the baseline rod is provided with the limit block, and the side, which is away from the baseline rod, of the limit block is provided with the strong force clamp; the other end of the baseline rod is provided with the upper base, and the side, which is away from the baseline rod, of the upper base is provided with the sliding block; one end of the indicator wall rod is connected with the sliding block, and the other end is connected with the scale in a matched manner; and the measuring tool is fixed at a mounting edge at one side of a measured case through the limit block and the pedestal, and is fixed at a mounting edge at the other side of the case through the upper base. The multistage assembled casing length measuring tool can directly measure the length of a multi-stage casing in an assembling environment in one time, truly reflects the actual assembling state of the multistage casing, avoids a problem of great data accumulation error introduced by distributed measurement and improves the assembly efficiency at the same time.

Description

technical field [0001] The invention belongs to the technical field of measuring tools, and in particular relates to a multi-stage assembly case length measuring tool. Background technique [0002] An aeroengine is a complex device consisting of rotor and stator parts. In order to ensure that the assembled engine meets the overall structure and performance requirements, it is necessary to coordinate and control the matching relationship between the rotor and the stator, such as the axial clearance control between the low pressure rotor and the stator. [0003] The length of the core machine is an integral part of the dimension chain controlling the axial gap between the low-pressure rotor and the stator. It is a multi-stage casing combination dimension (composed of 5 casing dimensions), which must be accurately measured and controlled to check the multi-stage The degree of fit between the joints of the assembled casing ensures that the assembly of the casings at all levels ...

Claims

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Application Information

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IPC IPC(8): G01B5/02
CPCG01B5/02
Inventor 曹艳李保文
Owner AECC SHENYANG ENGINE RES INST
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