CN101738150A - Improved device for measuring blade type line chord width - Google Patents

Improved device for measuring blade type line chord width Download PDF

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Publication number
CN101738150A
CN101738150A CN200910258812A CN200910258812A CN101738150A CN 101738150 A CN101738150 A CN 101738150A CN 200910258812 A CN200910258812 A CN 200910258812A CN 200910258812 A CN200910258812 A CN 200910258812A CN 101738150 A CN101738150 A CN 101738150A
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China
Prior art keywords
vernier caliper
base
chord width
type line
height
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CN200910258812A
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CN101738150B (en
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陈雄
范菲
徐大懋
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Wuxi Turbine Blade Co Ltd
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Wuxi Turbine Blade Co Ltd
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Abstract

本发明提供了一种改良的测量叶片型线弦宽的装置。其采用标准量具，结构简单，操作快捷方便，测量精度高。其包括游标卡尺，其特征在于：其还包括底座、高度游标卡尺，所述底座上安装有工字型叶片定位块，所述高度游标卡尺通过固定件安装于所述底座，所述游标卡尺通过连接件安装于所述高度游标卡尺。

The invention provides an improved device for measuring the chord width of blade profile. It adopts standard measuring tools, has simple structure, quick and convenient operation, and high measurement accuracy. It includes a vernier caliper, which is characterized in that it also includes a base and a height vernier caliper, the base is equipped with an I-shaped blade positioning block, the height vernier caliper is installed on the base through a fixing piece, and the vernier caliper is installed on the base through a connecting piece. The height vernier caliper.

Description

一种改良的测量叶片型线弦宽的装置 An Improved Device for Measuring Chord Width of Blade Profile

(一)技术领域(1) Technical field

本发明涉及叶片加工测量技术领域，具体为一种改良的测量叶片型线弦宽的装置。The invention relates to the technical field of blade processing measurement, in particular to an improved device for measuring the chord width of a blade profile.

(二)背景技术(2) Background technology

随着叶片设计研究技术的不断发展，对叶片的制造精度要求越来越高，一些常用的传统测量方法及设备已远远不能满足其精度要求。对于叶片型线弦宽的测量，一般是在叶片型面要求检测的高度上用记号笔划线作记号，然后手持游标卡尺在划线处测量型线的弦宽，因为叶片型面的不规则，且划线本身存在误差，导致这种测量方法无法找到准备的测量位置，所以测量数据不能完全反映出准确的数值；也有用卡板放在要求的高度上进行测量，虽然可以避免高度上的误差，但是需要手工用塞尺测得卡板与叶片型线间的漏光值，因为卡板本身存在制造上的误差，且手工测量也存在误差，故也无法测得准确值。With the continuous development of blade design and research technology, the manufacturing precision of blades is required to be higher and higher, and some commonly used traditional measurement methods and equipment are far from meeting the precision requirements. For the measurement of the chord width of the blade profile, it is generally to mark the height of the blade profile with a marker pen line, and then measure the chord width of the profile line at the marked line with a vernier caliper, because the blade profile is irregular and There are errors in the marking itself, which makes this measurement method unable to find the prepared measurement position, so the measurement data cannot fully reflect the accurate value; there are also useful clamps placed on the required height for measurement, although the height error can be avoided. However, it is necessary to manually measure the light leakage value between the clamp and the blade profile with a feeler gauge, because the clamp itself has manufacturing errors, and manual measurement also has errors, so it is impossible to measure an accurate value.

(三)发明内容(3) Contents of the invention

针对上述问题，本发明提供了一种改良的测量叶片型线弦宽的装置，其采用标准量具，结构简单，操作快捷方便，测量精度高。In view of the above problems, the present invention provides an improved device for measuring the chord width of the blade profile, which adopts a standard measuring tool, has simple structure, quick and convenient operation, and high measurement accuracy.

其技术方案是这样的，其包括游标卡尺，其特征在于：其还包括底座、高度游标卡尺，所述底座上安装有工字型叶片定位块，所述高度游标卡尺通过固定件安装于所述底座，所述游标卡尺通过连接件安装于所述高度游标卡尺。Its technical solution is as follows: it includes a vernier caliper, which is characterized in that it also includes a base and a height vernier caliper, the base is equipped with an I-shaped blade positioning block, and the height vernier caliper is installed on the base through a fixing piece, so The vernier caliper is installed on the height vernier caliper through a connecting piece.

其进一步特征在于：所述底座两侧安装导向板；所述工字型叶片定位块与所述两侧导向板间隙滑动配合。It is further characterized in that: guide plates are installed on both sides of the base; the I-shaped blade positioning block is in sliding fit with the guide plates on both sides.

本发明的一种改良的测量叶片型线弦宽的装置，其结构简单，测量方便快捷可靠，制作成本低，周期短，方便实施。The improved device for measuring the chord width of the blade profile of the present invention has the advantages of simple structure, convenient, fast and reliable measurement, low manufacturing cost, short period and convenient implementation.

(四)附图说明(4) Description of drawings

图1为本发明一种改良的测量叶片型线弦宽的装置主视结构示意图；Fig. 1 is a schematic diagram of the front view of an improved device for measuring the chord width of a blade profile according to the present invention;

图2为图1的右视结构示意图；Fig. 2 is a schematic diagram of the right view structure of Fig. 1;

图3为图1的俯视结构示意图。FIG. 3 is a schematic top view of the structure of FIG. 1 .

(五)具体实施方式(5) Specific implementation methods

见图2，本发明包括底座5、高度游标卡尺1和游标卡尺3，底座5上安装有工字型叶片定位块7，高度游标卡尺1通过固定件8安装于底座5，游标卡尺3通过连接件2安装于高度游标卡尺1。底座5两侧安装导向板6；工字型叶片定位块7与两侧导向板6间隙滑动配合。See Fig. 2, the present invention comprises a base 5, a height vernier caliper 1 and a vernier caliper 3, an I-shaped blade positioning block 7 is installed on the base 5, the height vernier caliper 1 is installed on the base 5 through a fixing part 8, and the vernier caliper 3 is installed on the base through a connecting part 2 Height Vernier Caliper1. Guide plates 6 are installed on both sides of the base 5; the I-shaped blade positioning block 7 is in clearance sliding fit with the guide plates 6 on both sides.

下面具体描述一下利用本发明测量叶片型线弦宽的工作过程：用标准量规调整高度游标卡尺1，使装在高度游标卡尺1的游标卡尺3与标准量规齐平，高度游标卡尺1的读数设置为0，然后将待测量叶片4放置于本发明装置上，叶片4贴住工字型叶片定位块7，使叶片4的型线与游标卡尺3的固定卡脚接触，确定测量方向，将高度游标卡尺1调到要求测量的高度，叶片4贴住工字型叶片定位块7移动，叶片4贴住工字型叶片定位块移动，使型线一侧与游标卡尺3固定卡脚接触，用游标卡尺3测量型线弦宽。其中，工字型叶片定位块7可以沿着两侧导向板6左右移动，其目的是可以按照叶片大小来调整叶片位置，使装置可以测量不同大小叶片的型线弦宽。Describe in detail the working process of utilizing the present invention to measure blade profile line chord width below: adjust height vernier caliper 1 with standard gauge, make the vernier caliper 3 that is contained in height vernier caliper 1 flush with standard gauge, the reading of height vernier caliper 1 is set to 0, then Place the blade 4 to be measured on the device of the present invention, stick the blade 4 to the I-shaped blade positioning block 7, make the profile of the blade 4 contact the fixed clip of the vernier caliper 3, determine the measurement direction, and adjust the height of the vernier caliper 1 to the required value. For the measured height, the blade 4 moves against the I-shaped blade positioning block 7, and the blade 4 moves against the I-shaped blade positioning block, so that one side of the profile line is in contact with the fixed clip of the vernier caliper 3, and the chord width of the profile line is measured with the vernier caliper 3 . Wherein, the I-shaped blade positioning block 7 can move left and right along the guide plates 6 on both sides, its purpose is to adjust the position of the blade according to the size of the blade, so that the device can measure the profile chord width of blades of different sizes.

Claims (3)

1. the device of the measurement blade type line chord width of an improvement, it comprises vernier caliper, it is characterized in that: it also comprises base, vernier height gauge, I shape blade locating piece is installed on the described base, described vernier height gauge is installed on described base by fixture, and described vernier caliper is installed on described vernier height gauge by web member.
2. according to the device of the measurement blade type line chord width of the described a kind of improvement of claim 1, it is characterized in that: guide plate is installed in described base both sides.
3. according to the device of the measurement blade type line chord width of the described a kind of improvement of claim 2, it is characterized in that: described I shape blade locating piece and guide plate gap, described both sides are slidingly matched.
CN2009102588125A 2009-12-17 2009-12-17 Improved device for measuring blade type line chord width Withdrawn - After Issue CN101738150B (en)

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Application Number Priority Date Filing Date Title
CN2009102588125A CN101738150B (en) 2009-12-17 2009-12-17 Improved device for measuring blade type line chord width

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CN101738150B CN101738150B (en) 2012-03-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292653A (en) * 2013-05-22 2013-09-11 沈阳黎明航空发动机(集团)有限责任公司 Molded surface measuring tool of adjustable blade measuring center
CN106247893A (en) * 2016-08-25 2016-12-21 中航动力股份有限公司 A kind of string width measuring tool of high-pressure turbine guide vane
CN107192316A (en) * 2017-05-15 2017-09-22 珠海保税区摩天宇航空发动机维修有限公司 A kind of aero-engine high-pressure compressor blade chord width instruments of inspection
CN113280712A (en) * 2021-06-30 2021-08-20 中国航发动力股份有限公司 Tool for accurately measuring chord length of blade and using method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2854498Y (en) * 2005-11-03 2007-01-03 万向钱潮股份有限公司 Bearing detection instrument
JP2009100820A (en) * 2007-10-19 2009-05-14 Takazono Sangyo Co Ltd Size measuring tool for tablet sheet
CN201266061Y (en) * 2008-10-18 2009-07-01 永济新时速电机电器有限责任公司 Measuring rule
CN201569390U (en) * 2009-12-17 2010-09-01 无锡透平叶片有限公司 Device for measuring molded line chord width of blade

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292653A (en) * 2013-05-22 2013-09-11 沈阳黎明航空发动机(集团)有限责任公司 Molded surface measuring tool of adjustable blade measuring center
CN103292653B (en) * 2013-05-22 2016-04-06 沈阳黎明航空发动机(集团)有限责任公司 A kind of profile measuring tool of adjustable vane measuring center
CN106247893A (en) * 2016-08-25 2016-12-21 中航动力股份有限公司 A kind of string width measuring tool of high-pressure turbine guide vane
CN106247893B (en) * 2016-08-25 2019-04-02 中航动力股份有限公司 A kind of chord width measuring tool of guide vane of high pressure turbine
CN107192316A (en) * 2017-05-15 2017-09-22 珠海保税区摩天宇航空发动机维修有限公司 A kind of aero-engine high-pressure compressor blade chord width instruments of inspection
CN113280712A (en) * 2021-06-30 2021-08-20 中国航发动力股份有限公司 Tool for accurately measuring chord length of blade and using method

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Address after: 214174 Huishan Road, Huishan Economic Development Zone, Jiangsu, No. 1800, No.

Applicant after: WUXI TURBINE BLADE Co.,Ltd.

Address before: 214023 No. 305 Yang Qing Road, Jiangsu, Wuxi

Applicant before: WUXI TURBINE BLADE Co.,Ltd.

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