CN105509640B - Small size Intersect structure relative position accurate measurement method - Google Patents
Small size Intersect structure relative position accurate measurement method Download PDFInfo
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- CN105509640B CN105509640B CN201510464262.8A CN201510464262A CN105509640B CN 105509640 B CN105509640 B CN 105509640B CN 201510464262 A CN201510464262 A CN 201510464262A CN 105509640 B CN105509640 B CN 105509640B
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- intersect structure
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- 238000000691 measurement method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 238000013461 design Methods 0.000 claims abstract description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The present invention relates to a kind of small size Intersect structure relative position accurate measurement methods.The present invention is matched by making the measured material of high-axiality, measured material excircle diameter with the internal diameter through element；Measured material is axially stretched into the fixed placement in element along through element；The center of tested part is measured and determined to the center for being passed through element using optical projection measurement instrument；Measured material is deep into simultaneously and is passed through each point data of part contouring of element and measures；Measurement data is analyzed, the coordinate that the part in element is deeply passed through using fixture determines clamp central, it is equivalent to be determined as through the axle center of element, thus positional precision between two element of Intersect structure is measured to obtain indirectly, judges whether direction and position meet design requirement between two element of Intersect structure.The method of the present invention can realize that each element relative position of Intersect structure is accurate, easily measures and analyzes, and improve accuracy, validity and the consistency of measurement.
Description
Technical field
The present invention relates to measuring method technical fields, and in particular to a kind of small size Intersect structure relative position accurately measures
Method.
Background technology
The Intersect structure of microwave device is various informative, the object side of the having chamber mutually passed through and circular hole, circular hole and circular hole, and has abnormity
Hole and chamber.To ensure microwave property, often size is smaller for this class formation, and dimensional accuracy and position accuracy demand are high.These are mutually passed through
The positional precision of structure often directly affects the magnetic of product, electric field occurs the key performances such as accuracy, standing-wave ratio, phase deviation and refers to
Mark, thus it is extremely important to the accurately measurement of Intersect structure relative position.
Due to the smaller detection insufficient space of size, when detection, is difficult to find that one while effective base of element is passed through suitable for each phase
Standard, existing measuring method will be tested after sampling part cutting is opened and be detected, sample using the destructive detection of sampling
There are many problems for destructive detection method：If detection result is poor, sampling Detection does not have generality, and whether the part do not sampled closes
Lattice exist uncertain；It is big to measure difficulty, destructive testing process is complicated, and cutting process introduces uncontrollable influence factor and such as cuts open
Mismachining tolerance is cut, additional difficulty is brought to measurement, even if carrying out cutting, the measurement of certain Form and position errors can not also quantify can only be thick
Slightly qualitative detection can not realize the validity and consistency of detection；Cost is higher, since microwave device is complex-shaped, size essence
It is close, processing difficulties, thus cost is higher, using ineffective destructive detection means, the application of this method is highly detrimental to
Cost control.
In view of the above-mentioned problems, need to develop it is a kind of have can actual operation, small size Intersect structure can be achieved respectively
The measuring method that plain positional precision accurately measures realizes accuracy, validity and consistency that small size Intersect structure measures.
Invention content
The purpose of the invention is to overcome drawbacks described above in the prior art, provide a kind of accurate, at low cost
Small size Intersect structure relative position accurate measurement method.
To achieve the above object, the present invention proposes a kind of small size Intersect structure relative position accurate measurement method, including
Following steps：
Step 1: make measured material；The length of the measured material is more than radial dimension of 5-10 times of fixture, measures folder
Tool excircle diameter is matched with the internal diameter through element；
Step 2: by measured material along the fixed placement in element is axially stretched into through element, measured material is deep into
Passed through more than 1/2 depth of element radial dimension；
Step 3: it is measured using optical projection measurement instrument；Measure the Internal periphery data for being passed through element；Measure folder
Tool is in the outline data for being passed through part in element；
Step 4: measured material is taken out from through element；
Step 5: measurement data is calculated and is analyzed；The lubrication groove for being passed through element is measured by optical projection measurement instrument
Wide data fit the center for being passed through element, then measured material is deep into and is passed through the partial contour data of element and is equivalent to
Through the center of element, calculate the angle between two fitting a straight lines and obtain outgoing direction and the measured value of position, judge Intersect structure
Whether direction and position meet design requirement between two elements.
It in above-mentioned technical characteristic, is measured in the step 3 using optical projection measurement instrument, is to take 3-4 to be passed through to want
Plain optical projection Internal periphery point determines to be passed through element center by the coordinate for measuring these points；Take 3-4 measured material deep
Enter the point passed through in element partial optical projected outline, be fitted the center for determining measured material.
In above-mentioned technical characteristic, the measured material is made of metal material.
The smaller Intersect structure element of size in the Intersect structure for tested part through element；It is described to be passed through element
For Intersect structure element larger-size in the Intersect structure of tested part.
Present invention exploitation is a kind of, and have can actual operation, small size Intersect structure can be achieved each elements position precision essence
The measuring method really measured, select metal material processing into high-axiality measured material, and measured material excircle diameter with
By being adapted through element internal diameter for side part, running through in element for part can be snugly fitted into, then using optical projection
The Internal periphery fitting that element is passed through in measuring instrument measurement determines its center；Measured material is measured in the wheel for being passed through part in element
Exterior feature is fitted the center for determining measured material；It calculates the angle between two fitting a straight lines and obtains the measurement of outgoing direction and position
Whether value, judgement each elements position relationship of Intersect structure meet design requirement.
The present invention overcomes the small size Intersect structure phases that disclosed at present and application technological means can not be realized
Position is accurately measured and the present situation of quantitative analysis, by this measuring method, can realize each element relative position of Intersect structure
Accurately, it easily measures and analyzes, while quantitative analysis is realized, improve accuracy, validity and the consistency of measurement；
Measured material is simple in structure to be readily produced, and can be used repeatedly, and economic and social benefit is apparent.
Description of the drawings
Fig. 1 is the flow chart of the accurate measurement method of the relative position of small-medium size Intersect structure of the present invention；
Fig. 2 is the main perspective section plan of Intersect structure；
Fig. 3 is the partial sectional perspective view of tested part；
Fig. 4 is the partial perspective cutaway view that measured material edge is packed into tested part through element axis；
In figure：1- runs through element；2- is passed through element；3- measured materials；
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Small-medium size Intersect structure relative position accurate measurement method of the present invention, flow is as shown in Figure 1, measured small ruler
As shown in Figure 2 and Figure 3, measured material is packed into tested part to very little Intersect structure part as shown in Figure 4 during measurement；Metal is selected first
Material in-process measurement fixture 3, the outer diameter of measured material 3 and being closed through 1 matching size of element for part, the length of measured material
Degree is more than radial dimension of 5-10 times of fixture, and measured material 3 can be snugly fitted into element 1, and 3 front end of measured material is deep
Enter to more than 1/2 depth of element radial dimension is passed through, ensure that measured material 3 will not loosen and come off in measurement process；It will measure
Fixture 3, with optics projective measuring instrument measurement data, measures the circle for being passed through element 2 along being fitted into part through element 1 is central axial
Week determines the center of part；Measured material 3 is measured in the profile for being passed through part in element 2, fitting determines measured material 3
Center, measuring method are：Pair cross-section is passed through element 2 to be circular, three point coordinates is at least taken to determine center location, to cutting
Element 2 is passed through in face for quadrangle, at least takes four point coordinates to determine center；Measured material 3 is deep into simultaneously and is passed through
The part projected outline of element 2 takes a measuring coordinate, since what part was stretched into 3 front end of measured material is projected as regular quadrilateral,
Two point coordinates is taken to determine the central axes of measured material 3 per side；Measurement the data obtained is analyzed and judged, is thrown by optics
Shadow measuring instrument, which measures, to be passed through the boundary of element 2 and fits center, then is deep by analyzing measured material 3 and is passed through element
2 partial contour data are equivalent to obtain the axis through element 1, by this axial location and is passed through the comparison of element centre coordinate, can
Central point and axial line distance are calculated, calculate the angle between two fitting a straight lines and obtains outgoing direction and the measured value of position, judgement zero
Part mutually passes through whether each element position relationship meets design requirement.
Small-medium size Intersect structure relative position accurate measurement method of the present invention be applicable in including but not limited to square chamber and circular hole,
The accurate measurement of the relative position of the small size Intersect structure of the diversified forms such as circular hole and circular hole, as long as being passed through and through being known as
Regular sections shape and i.e. available this method progress accurately measurement and the quantitative analysis in center for being easy to measurement.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (3)
1. a kind of small size Intersect structure relative position accurate measurement method, which is characterized in that include the following steps：
Step 1: make measured material；The length of the measured material is more than radial dimension of 5-10 times of fixture, outside measured material
Circle diameter is matched with the internal diameter through element；
Step 2: by measured material along the fixed placement in element is axially stretched into through element, measured material is deep into and is passed through
More than 1/2 depth of element radial dimension；
Step 3: it is measured using optical projection measurement instrument；Measure the Internal periphery data for being passed through element；Measured material is measured to exist
Passed through the outline data of part in element；
Step 4: measured material is taken out from through element；
Step 5: measurement data is calculated and is analyzed；Boundary and the plan for being passed through element are measured by optical projection measurement instrument
It closes out center, then is deep by analyzing measured material and is passed through the partial contour data of element and equivalent obtain through element
Axis by axial location and is passed through element center coordinate pair ratio, calculating central point and axial line distance, between two fitting a straight lines of calculating
Angle and outgoing direction and position measured value, whether judgement two elements position relationship of Intersect structure meet design requirement.
2. small size Intersect structure relative position accurate measurement method according to claim 1, it is characterised in that：The step
It is measured in three using optical projection measurement instrument, is to take 3-4 to be passed through element optical projection Internal periphery point, by measuring these
The coordinate of point determines to be passed through element center；3-4 measured material is taken deeply to be passed through in element partial optical projected outline
Point is fitted the center for determining measured material.
3. small size Intersect structure relative position accurate measurement method according to claim 1 or claim 2, it is characterised in that：It is described
Measured material is made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464262.8A CN105509640B (en) | 2015-07-23 | 2015-07-23 | Small size Intersect structure relative position accurate measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464262.8A CN105509640B (en) | 2015-07-23 | 2015-07-23 | Small size Intersect structure relative position accurate measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509640A CN105509640A (en) | 2016-04-20 |
| CN105509640B true CN105509640B (en) | 2018-06-08 |
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| CN201510464262.8A Expired - Fee Related CN105509640B (en) | 2015-07-23 | 2015-07-23 | Small size Intersect structure relative position accurate measurement method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103279623A (en) * | 2013-06-07 | 2013-09-04 | 天津大学 | Method for acquiring, analyzing and checking steel structure tubular joint manufacture data |
| CN103837111A (en) * | 2012-03-02 | 2014-06-04 | 贵州龙飞航空附件有限公司 | Method for determining intersection sizes of connection part through removing method and embedding mode |
| DE102014005495B3 (en) * | 2013-08-09 | 2014-07-17 | Steffen Meier | Adjusting screen auxiliary device has adjusting elements, which are diagonally mergeable in intersection and are connected to support element in such way that optical element is disposed on point of intersection |
| CN104655068A (en) * | 2015-03-17 | 2015-05-27 | 山东大学 | Two-point determination method for clamping poses of intersected dual-tube based on nonlinear equation set |
| CN204630532U (en) * | 2015-05-21 | 2015-09-09 | 襄阳福达东康曲轴有限公司 | A kind of cubing detecting crank-shaft link neck inclined oil hole of air space angle |
-
2015
- 2015-07-23 CN CN201510464262.8A patent/CN105509640B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837111A (en) * | 2012-03-02 | 2014-06-04 | 贵州龙飞航空附件有限公司 | Method for determining intersection sizes of connection part through removing method and embedding mode |
| CN103279623A (en) * | 2013-06-07 | 2013-09-04 | 天津大学 | Method for acquiring, analyzing and checking steel structure tubular joint manufacture data |
| DE102014005495B3 (en) * | 2013-08-09 | 2014-07-17 | Steffen Meier | Adjusting screen auxiliary device has adjusting elements, which are diagonally mergeable in intersection and are connected to support element in such way that optical element is disposed on point of intersection |
| CN104655068A (en) * | 2015-03-17 | 2015-05-27 | 山东大学 | Two-point determination method for clamping poses of intersected dual-tube based on nonlinear equation set |
| CN204630532U (en) * | 2015-05-21 | 2015-09-09 | 襄阳福达东康曲轴有限公司 | A kind of cubing detecting crank-shaft link neck inclined oil hole of air space angle |
Non-Patent Citations (1)
| Title |
|---|
| 多管相贯线切割运动轨迹与位姿控制方法研究;曹建福 等;《工程图学学报》;20101231;第192-197页 * |
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| CN105509640A (en) | 2016-04-20 |
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Granted publication date: 20180608 |