CN104316008A - Blade profile measuring-aided device with adjustable postures - Google Patents
Blade profile measuring-aided device with adjustable postures Download PDFInfo
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- CN104316008A CN104316008A CN201410562456.7A CN201410562456A CN104316008A CN 104316008 A CN104316008 A CN 104316008A CN 201410562456 A CN201410562456 A CN 201410562456A CN 104316008 A CN104316008 A CN 104316008A
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- 230000036544 posture Effects 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000000691 measurement method Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000004441 surface measurement Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000011111 cardboard Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
一种姿态可调的叶片型面测量辅助装置，包括旋转体，移动挡块和固定挡块装配在旋转体上，移动挡块通过轨道连接在固定挡块上，移动挡块和固定挡块配合用来固定被测叶片的榫头，移动挡块旁边设有螺钉，螺钉通过支架固定在旋转体上，螺钉能够调整移动挡块来装夹不同大小的叶片，旋转体通过压板固定在可调底座上，调整旋转体能够改变叶片的姿态，标准量块连接在校对柱上，校对柱固定在可调底座的一端，使用比较法测量叶片时，标准量块用作测量基准，本发明根据叶片榫头的大小和倾角不同，调整叶片姿态，使其满足叶片型面测量姿态要求，可供叶片在卡板、三坐标、光学的测量方法下使用，减少操作人员的劳动量，提高叶片型面测量的精度和效率。
An auxiliary device for measuring blade profile with adjustable attitude, including a rotating body, a moving stopper and a fixed stopper are assembled on the rotating body, the moving stopper is connected to the fixed stopper through a track, and the moving stopper and the fixed stopper cooperate It is used to fix the mortise of the tested blade. There are screws next to the moving block. The screw is fixed on the rotating body through the bracket. The screw can adjust the moving block to clamp blades of different sizes. The rotating body is fixed on the adjustable base through the pressure plate. , the posture of the blade can be changed by adjusting the rotating body, the standard gauge block is connected to the calibration column, and the calibration column is fixed at one end of the adjustable base. When using the comparison method to measure the blade, the standard gauge block is used as a measurement reference. The size and inclination angle are different, and the attitude of the blade is adjusted to meet the attitude requirements of the blade surface measurement. It can be used for the blade under the clamping, three-coordinate, and optical measurement methods, reducing the workload of the operator and improving the accuracy of the blade surface measurement. and efficiency.
Description
技术领域technical field
本发明涉及叶片的型面尺寸检测技术领域，尤其涉及一种姿态可调的叶片型面测量辅助装置。The invention relates to the technical field of blade profile size detection, in particular to a blade profile measurement auxiliary device with adjustable attitude.
背景技术Background technique
叶片在航空、核电、舰船等关系国计民生的行业中被广泛应用。叶片型面一般为复杂曲面，加工工序比较复杂，加工难度大，其型面质量对发动机的性能起着决定性的影响。同时由于数量众多，长期服役于恶劣工况下，使用性能要求极高。因此在发动机零部件的检测中，叶片型面的检测具有十分重要的意义。Blades are widely used in aviation, nuclear power, ships and other industries related to national economy and people's livelihood. The profile of the blade is generally a complex curved surface, the processing procedure is relatively complicated, and the processing is difficult. The quality of the profile has a decisive impact on the performance of the engine. At the same time, due to the large number, they have been in service for a long time under harsh working conditions, and the performance requirements are extremely high. Therefore, in the detection of engine components, the detection of blade profile is of great significance.
目前，常用叶片检测方法有人工卡板测量法、三坐标测量机(CMM)测量法、激光扫描法、CCD影像法等。叶片型号多，不同型号其安装位(榫头)大小和倾角都不同，因此，工厂检测叶片，往往需要备用与叶片型号一一对应的检测装置，这样给工厂带来大量浪费以及给叶片检测带来许多不方便。随着航空发动机以及燃气轮机性能的不断提升，对叶片型面检测精度和检测效率的要求也越来越高。设计开发能够装夹多种型号叶片，并且使叶片姿态可调整的测量辅助装置，可以为企业节省成本、提高检测效率。At present, the commonly used blade detection methods include manual card board measurement method, coordinate measuring machine (CMM) measurement method, laser scanning method, CCD imaging method, etc. There are many types of blades, and the size and inclination angle of the installation position (tenon) of different types are different. Therefore, when the factory detects the blades, it often needs a spare detection device that corresponds to the blade type one by one, which brings a lot of waste to the factory and brings great harm to the blade detection. Many inconveniences. With the continuous improvement of the performance of aero-engines and gas turbines, the requirements for the accuracy and efficiency of blade profile detection are also getting higher and higher. Designing and developing a measurement auxiliary device that can clamp various types of blades and adjust the blade attitude can save costs for enterprises and improve detection efficiency.
发明内容Contents of the invention
为了克服上述现有技术的缺点，本发明的目的在于提供一种姿态可调的叶片型面测量辅助装置，根据叶片榫头的大小和倾角不同，调整叶片姿态，使其满足叶片型面测量姿态要求，本装置可供叶片在卡板、三坐标、光学的测量方法下使用。In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a blade profile measurement auxiliary device with adjustable attitude, which can adjust the blade attitude according to the size and inclination angle of the blade tenon, so that it can meet the requirements of the blade profile measurement attitude , the device can be used for blades under clamping, three-coordinate and optical measuring methods.
为了达到上述目的，本发明采取的技术方案为：In order to achieve the above object, the technical scheme that the present invention takes is:
一种姿态可调的叶片型面测量辅助装置，包括旋转体2，移动挡块4和固定挡块5装配在旋转体2上，移动挡块4通过轨道连接在固定挡块5上，移动挡块4和固定挡块5配合来固定叶片榫头，移动挡块4旁边设有螺钉8，螺钉8通过支架13固定在旋转体2上，叶片榫头安装在移动挡块4和固定挡块5之间，调整螺钉8，移动挡块4沿直线轨道移动，其与固定挡块5的间隙随之变化，用来装夹不同大小的叶片，旋转体2通过压板3固定在可调底座1上，旋转体2携带其上装夹的叶片，沿其的座体11上的圆弧轨道旋转移动，用压板3锁紧固定，标准量块7连接在校对柱6上，校对柱6固定在可调底座1的一端。An auxiliary device for measuring blade profile with adjustable attitude, comprising a rotating body 2, a moving block 4 and a fixed block 5 are assembled on the rotating body 2, the moving block 4 is connected to the fixed block 5 through a track, and the moving block The block 4 and the fixed block 5 cooperate to fix the tenon of the blade. There is a screw 8 next to the movable block 4. The screw 8 is fixed on the rotating body 2 through the bracket 13. The tenon of the blade is installed between the movable block 4 and the fixed block 5. , adjusting the screw 8, the moving block 4 moves along the linear track, and the gap between it and the fixed block 5 changes accordingly, and is used to clamp blades of different sizes. The rotating body 2 is fixed on the adjustable base 1 through the pressure plate 3, and rotates The body 2 carries the blade clamped on it, rotates and moves along the arc track on the seat body 11, and locks and fixes it with the pressure plate 3. The standard gauge block 7 is connected to the calibration column 6, and the calibration column 6 is fixed on the adjustable base 1 one end.
所述的可调底座1包括底板12，底板12上连接有座体11。The adjustable base 1 includes a bottom plate 12 on which a seat body 11 is connected.
所述的旋转体2包括旋转本体14，旋转本体14安装在座体11的圆弧轨道上，通过压板3紧固，旋转本体14上连接有支架13。The rotating body 2 includes a rotating body 14 . The rotating body 14 is installed on the arc track of the seat body 11 and fastened by the pressing plate 3 . The rotating body 14 is connected with a bracket 13 .
所述的移动挡块4包括移动挡块主体15，移动挡块主体15上连接有导向块16，移动挡块主体15通过轨道连接在固定挡块5上。The moving block 4 includes a moving block main body 15 , a guide block 16 is connected to the moving block main body 15 , and the moving block main body 15 is connected to the fixed block 5 through a track.
所述的固定挡块5包括挡块座10，挡块座10上连接有挡块9，挡块座10固定在旋转本体14的上方。The fixed block 5 includes a block seat 10 on which a block 9 is connected, and the block seat 10 is fixed above the rotating body 14 .
本发明的优点：根据叶片榫头的大小和倾角不同，调整叶片姿态，使其满足叶片型面测量姿态要求，可供叶片在卡板、三坐标、光学的测量方法下使用，解决了不同的型号叶片需要不同的叶片装置的问题，可以减少操作人员的劳动量。叶片辅助测量装置上携带有一个标准量块7的标准柱6，供三坐标测量、激光测量、电感测量等比较测量法作为基准使用。采用比较法，可以有效提高叶片的检测精度和效率。The advantages of the present invention: according to the size and inclination angle of the tenon of the blade, the attitude of the blade is adjusted to meet the requirements of measuring the attitude of the blade profile, and the blade can be used under the clamping, three-coordinate, and optical measurement methods, and different models are solved. The problem of blades requiring different blade arrangements can reduce the labor load of the operator. The blade auxiliary measurement device carries a standard column 6 with a standard gauge block 7, which is used as a benchmark for comparative measurement methods such as three-coordinate measurement, laser measurement, and inductance measurement. Using the comparison method can effectively improve the detection accuracy and efficiency of the blade.
附图说明Description of drawings
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图2为本发明的可调底座1示意图。Fig. 2 is a schematic diagram of the adjustable base 1 of the present invention.
图3为本发明旋转体2示意图。Fig. 3 is a schematic diagram of the rotating body 2 of the present invention.
图4为本发明移动档块4示意图。FIG. 4 is a schematic diagram of the moving block 4 of the present invention.
图5为本发明固定档块5示意图。FIG. 5 is a schematic diagram of the fixed block 5 of the present invention.
具体实施方式Detailed ways
下面结合附图对本发明做详细描述。The present invention will be described in detail below in conjunction with the accompanying drawings.
参照图1，一种姿态可调的叶片型面测量辅助装置，包括旋转体2，移动挡块4和固定挡块5装配在旋转体2上，移动挡块4通过轨道连接在固定挡块5上，移动挡块4和固定挡块5配合用来固定被测叶片的榫头，移动挡块4旁边设有螺钉8，螺钉8通过支架13固定在旋转体2上，叶片榫头安装在移动挡块4和固定挡块5之间，调整螺钉8，移动挡块4沿直线轨道移动，其与固定挡块5的间隙随之变化，用来装夹不同大小的叶片，旋转体2通过压板3固定在可调底座1上，旋转体2携带其上装夹的叶片，沿其的座体11上的圆弧轨道旋转移动，根据叶片需要，调整其位置，改变叶片的姿态，用压板3锁紧固定，标准量块7连接在校对柱6上，校对柱6固定在可调底座1的一端，使用比较法测量叶片时，标准量块7用作测量基准。Referring to Fig. 1, a blade profile measurement auxiliary device with adjustable attitude includes a rotating body 2, a moving stop 4 and a fixed stop 5 are assembled on the rotating body 2, and the moving stop 4 is connected to the fixed stop 5 through rails. Above, the moving block 4 and the fixed block 5 cooperate to fix the tenon of the blade under test, and there is a screw 8 beside the moving block 4, and the screw 8 is fixed on the rotating body 2 through the bracket 13, and the tenon of the blade is installed on the moving block Between 4 and the fixed block 5, adjust the screw 8, the movable block 4 moves along the linear track, and the gap between it and the fixed block 5 changes accordingly, and is used to clamp blades of different sizes, and the rotating body 2 is fixed by the pressure plate 3 On the adjustable base 1, the rotating body 2 carries the blade clamped on it, and rotates and moves along the arc track on the seat body 11. According to the needs of the blade, adjust its position, change the posture of the blade, and lock and fix it with the pressure plate 3 , the standard gauge block 7 is connected to the calibration column 6, and the calibration column 6 is fixed at one end of the adjustable base 1. When using the comparison method to measure the blade, the standard gauge block 7 is used as a measurement reference.
参照图2，所述的可调底座1包括底板12，底板12上连接有座体11。Referring to FIG. 2 , the adjustable base 1 includes a bottom plate 12 on which a seat body 11 is connected.
参照图3，所述的旋转体2包括旋转本体14，旋转本体14安装在座体11的圆弧轨道上，通过压板3紧固，旋转本体14上连接有支架13。Referring to FIG. 3 , the rotating body 2 includes a rotating body 14 , which is installed on the arc track of the seat body 11 and fastened by the pressing plate 3 , and a bracket 13 is connected to the rotating body 14 .
参照图4，所述的移动挡块4包括移动挡块主体15，移动挡块主体15上连接有导向块16，移动挡块主体15通过轨道连接在固定挡块5上。Referring to FIG. 4 , the moving block 4 includes a moving block body 15 on which a guide block 16 is connected, and the moving block body 15 is connected to the fixed block 5 through a track.
参照图5，所述的固定挡块5包括挡块座10，挡块座10上连接有挡块9，挡块座10通过螺钉固定在旋转本体14的上方。Referring to FIG. 5 , the fixed block 5 includes a block seat 10 on which a block 9 is connected, and the block seat 10 is fixed above the rotating body 14 by screws.
本发明的工作原理为：Working principle of the present invention is:
参照图1，使用辅助测量装置测量叶片型面时，首先根据叶片榫头大小，调整辅助测量装置的螺钉8，将叶片榫头安装至移动挡块4和固定挡块5之间，然后紧固螺钉8使叶片榫头的基准面与挡块9贴合。调整叶片姿态方法：首先松开压板3，如果叶片榫头倾角已知，调整旋转体2边沿刻度至已知角度，坚固压板3锁紧叶片；如果叶片角度未知，可以通过确定叶片中轴线与底板12垂直来确定旋转体2的位置，然后坚固压板3锁紧叶片，固定好叶片姿态，正确装夹叶片后，放置于测量系统下，对叶片型面进行测量。如果采用比较法测量，先测量标准量块7，以标准量块7为基准，再测量叶片型面，可以提高叶片型面测量的精度和效率。Referring to Figure 1, when using the auxiliary measuring device to measure the profile of the blade, first adjust the screw 8 of the auxiliary measuring device according to the size of the tenon of the blade, install the tenon of the blade between the movable stopper 4 and the fixed stopper 5, and then tighten the screw 8 Make the datum surface of the tenon of the blade fit against the stopper 9. The method of adjusting the attitude of the blade: first loosen the pressure plate 3, if the inclination angle of the tenon of the blade is known, adjust the scale on the edge of the rotating body 2 to the known angle, and firmly lock the blade with the pressure plate 3; Determine the position of the rotating body 2 vertically, and then firmly lock the blade with the pressure plate 3 to fix the blade posture. After the blade is correctly clamped, place it under the measuring system to measure the blade profile. If the comparison method is used for measurement, the standard gauge block 7 is measured first, and the blade profile is measured based on the standard gauge block 7, which can improve the accuracy and efficiency of blade profile measurement.
Claims (5)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106580A (en) * | 2017-12-17 | 2018-06-01 | 北京工业大学 | A kind of blade profile measures clamping apparatus |
| CN108857965A (en) * | 2017-05-11 | 2018-11-23 | 扬州华光橡塑新材料有限公司 | A kind of three coordinate rolling clamps |
| CN108981526A (en) * | 2018-05-30 | 2018-12-11 | 中国航发动力股份有限公司 | It is a kind of for measuring the fixture of blade of aviation engine dove-tail form tenon straightness |
| CN109916274A (en) * | 2019-03-29 | 2019-06-21 | 中国航空制造技术研究院 | Detect the soft readjustment device and method of arc gabarit |
| CN111975672A (en) * | 2020-07-24 | 2020-11-24 | 江苏大学 | A kind of blade measuring fixture and measuring method |
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Application publication date: 20150128 |