CN109556480A - A kind of comprehensive measuring method for coaxial aperture mounting base - Google Patents
A kind of comprehensive measuring method for coaxial aperture mounting base Download PDFInfo
- Publication number
- CN109556480A CN109556480A CN201811449467.9A CN201811449467A CN109556480A CN 109556480 A CN109556480 A CN 109556480A CN 201811449467 A CN201811449467 A CN 201811449467A CN 109556480 A CN109556480 A CN 109556480A
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- Prior art keywords
- measuring
- coaxial aperture
- measurement
- measuring staff
- mandrel
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Classifications
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/003—Measuring of motor parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of comprehensive measuring method for coaxial aperture mounting base, is consisted of two parts using tool, i.e. mandrel and measuring staff, and the two realizes the comprehensive detection to each portion structure of part in the assembled condition；Mandrel is step axle construction, and the body diameter of big end is Φ 16mm, and the measuring point diameter of small end is bigger than normal, and measuring staff is divided into handle and gauge head two parts, and the effect of handle is also easy for holding, and outer circle, two sides and the inner hole of gauge head both participate in the measurement of part；Make gauge head step arc surfaceWithCentralized positioning is stablized；The thickness in measuring staff both sides of the head face is When alignment measurement, for detecting the verticality requirement of mounting base crank mounting groove end face and coaxial aperture.Advantages of the present invention: the comprehensive measuring method of coaxial aperture mounting base, the measuring tool structure used is simple, light, and detection efficiency is high, and the accuracy of detection is high, and the assembled state of part in assembly is stablized, and works well.
Description
Technical field
The present invention relates to mechanical measurement fields, in particular to a kind of comprehensive measuring method for coaxial aperture mounting base.
Background technique
Aero-engine part is an important load part of engine, which has the bilayer of protrusion same
Axis hole installs holder structure, fixing end of the mounting base as crank pull rod, pull rod shaft turning effort in installation bore, after drive
Portion adjustment sheet direction affects the throughput performance indicator of engine.
In Engine Build-up Unit, mounting base double-layer coaxial hole is equipped with pull rod shaft, the crank mounting groove between bilateral boss
Dimensional accuracy is higher, and to rotate crank head in a certain range, crank pit bottom gives a depth dimensions away from coaxial centerline hole.By
The influence of woollen and measurement space, in the processing of mounting base, there are some important geometric tolerance Indexs measure difficult problems.
Summary of the invention
The purpose of the present invention is the quality states for detecting part of energy quicklook, simplify measurement process, provide
A kind of comprehensive measuring method for coaxial aperture mounting base.
The present invention provides a kind of comprehensive measuring methods for coaxial aperture mounting base, it is characterised in that: described is used for
The comprehensive measuring method of coaxial aperture mounting base, technical requirements:
The concentricity in double-layer coaxial hole requires to be 0.2/100mm；The verticality of crank mounting groove end face and coaxial aperture is
0.2/100mm；Size of the coaxial aperture center away from crank mounting groove bottom requires
In process, using single measuring tool, only meet the measurement to groove width and aperture size, for above-mentioned
Important technical conditions detection has difficulties；Using conventional detection method, such as: signing method and coordinate machine check, due to inspection
Narrow space is surveyed, dial indicator head and gauge head cannot reach measuring point, cannot form effective measurement scheme, by measuring indirectly
Method measurement, detection time is long, and detection effect is poor；
Measuring technique programme element: the composite measurement technology of coaxial aperture mounting base, the drawbacks of avoiding conventional detection mode,
It is converted from testing principle；The measurement method uses for reference the design feature of matched part in assembling assembly, is wanted by single
The implementation of plain measurement scheme, integrates out a set of comprehensive detection mode, this measuring technique, can meet the specification simultaneously and ruler
Very little detection meets the needs of component assembly state；
The structure and precision of coaxial aperture mounting base composite measurement tool:
Consisted of two parts using tool, i.e. mandrel and measuring staff, the two is realized in the assembled condition ties each position of part
The comprehensive detection of structure；
Mandrel is step axle construction, and the body diameter of big end is Φ 16mm, and the measuring point diameter of small end is bigger than normal, purpose
It is that measuring staff slides and holds conveniently when preventing alignment measurement；The size of mounting base coaxial aperture isWithTo protect
Card cooperation precision and punch position (Hole) opening, the bar portion design size of mandrel isAnd entire survey
The cylindricity for measuring position requires as no more than 0.005mm, dimensional tolerance and technical conditions are more demanding；
Measuring staff is divided into handle and gauge head two parts, and the effect of handle is also easy for holding, the outer circle of gauge head, two sides and interior
Hole both participates in the measurement of part；At gauge head two step arc surface separately design having a size ofWithFor coaxial aperture
Center is away from crank mounting groove bottom sizeTwo limiting values, the concentricity of the two and inner hole is not more than 0.05, measuring staffInner hole and mandrelInner hole guarantees the position precision of gauge head, makes gauge head step arc surface
WithCentralized positioning is stablized；The thickness in measuring staff both sides of the head face isWith part groove width sizeMatch
It closes, requires to be not more than 0.01mm with the verticality of measuring staff head inner hole, when alignment measurement, for detecting mounting base crank mounting groove
The requirement of the verticality of end face and coaxial aperture.
Measurement process:
The concentricity in double-layer coaxial hole detects: mandrel is inserted into the coaxial aperture of part, if mandrel can be smoothly inserted into,
Prove that concentricity is qualified, it is otherwise unqualified；
The measuring for verticality of crank mounting groove end face and coaxial aperture: mandrel penetrates the inner hole of measuring staff by part coaxial aperture
In, cooperate with part three, normal assembled state can determine that concentric holes are vertical with crank mounting groove, if mandrel and measuring staff cannot be just
Often assembly, then can be confirmed that its verticality is unqualified；
Measurement of the coaxial aperture center away from crank mounting groove bottom size: mandrel is while inspection hole concentricity shape, to measuring staff
It is fixed, rotates measuring staff, measuring staff head can be rotated around mandrel, and the block length size (R11 and R10) on measuring staff head is
Crank installs the tolerance limit value of groove depth, and the state of depth dimensions qualification should be that measuring staff head R10 circular arc can smoothly rotate
Pass through, the measurement circular arc of measuring staff head R11 size does not pass through, if R11 circular arc rotation in measuring staff head passes through, depth dimensions are greater than
Design requirement, depth dimensions are unqualified；If the depth dimensions of part are undressed in place, that is, it is less than design requirement size, then measuring staff
It can not be assembled in mandrel, not can be carried out effective detection；Two kinds of structures of measuring tool complete three kinds of coaxial aperture mounting base
The detection of geometric element.
Advantages of the present invention:
The comprehensive measuring method of coaxial aperture mounting base, the measuring tool structure used is simple, light.Make in processing at the scene
With conveniently, operator only needs simply installation that can complete the detection of part, and detection efficiency is high, compares conventional detection side
Method, detection time greatly shorten.And the accuracy detected is high, and the assembled state of part in assembly is stablized, and works well.
Detailed description of the invention
With reference to the accompanying drawing and embodiment the present invention is described in further detail:
Fig. 1 is coaxial aperture mounting base structural schematic diagram；
Fig. 2 is coaxial aperture mounting base composite measurement tool main view；
Fig. 3 is coaxial aperture mounting base composite measurement tool top view；
In figure, 1 is mandrel, and 2 be measuring staff.
Specific embodiment
Embodiment
The present invention provides a kind of comprehensive measuring methods for coaxial aperture mounting base, it is characterised in that: described is used for
The comprehensive measuring method of coaxial aperture mounting base, technical requirements:
The concentricity in double-layer coaxial hole requires to be 0.2/100mm；The verticality of crank mounting groove end face and coaxial aperture is
0.2/100mm；Size of the coaxial aperture center away from crank mounting groove bottom requires
In process, using single measuring tool, only meet the measurement to groove width and aperture size, for above-mentioned
Important technical conditions detection has difficulties；Using conventional detection method, such as: signing method and coordinate machine check, due to inspection
Narrow space is surveyed, dial indicator head and gauge head cannot reach measuring point, cannot form effective measurement scheme, by measuring indirectly
Method measurement, detection time is long, and detection effect is poor；
Measuring technique programme element: the composite measurement technology of coaxial aperture mounting base, the drawbacks of avoiding conventional detection mode,
It is converted from testing principle；The measurement method uses for reference the design feature of matched part in assembling assembly, is wanted by single
The implementation of plain measurement scheme, integrates out a set of comprehensive detection mode, this measuring technique, can meet the specification simultaneously and ruler
Very little detection meets the needs of component assembly state；
The structure and precision of coaxial aperture mounting base composite measurement tool:
Consisted of two parts using tool, i.e. mandrel and measuring staff, the two is realized in the assembled condition ties each position of part
The comprehensive detection of structure；
Mandrel is step axle construction, and the body diameter of big end is Φ 16mm, and the measuring point diameter of small end is bigger than normal, purpose
It is that measuring staff slides and holds conveniently when preventing alignment measurement；The size of mounting base coaxial aperture isWithTo protect
Card cooperation precision and punch position (Hole) opening, the bar portion design size of mandrel isAnd entire survey
The cylindricity for measuring position requires as no more than 0.005mm, dimensional tolerance and technical conditions are more demanding；
Measuring staff is divided into handle and gauge head two parts, and the effect of handle is also easy for holding, the outer circle of gauge head, two sides and interior
Hole both participates in the measurement of part；At gauge head two step arc surface separately design having a size ofWithFor coaxial aperture
Center is away from crank mounting groove bottom sizeTwo limiting values, the concentricity of the two and inner hole is not more than 0.05, measuring staffInner hole and mandrelInner hole guarantees the position precision of gauge head, makes gauge head step arc surface
WithCentralized positioning is stablized；The thickness in measuring staff both sides of the head face isWith part groove width sizeMatch
It closes, requires to be not more than 0.01mm with the verticality of measuring staff head inner hole, when alignment measurement, for detecting mounting base crank mounting groove
The requirement of the verticality of end face and coaxial aperture.
Measurement process:
The concentricity in double-layer coaxial hole detects: mandrel is inserted into the coaxial aperture of part, if mandrel can be smoothly inserted into,
Prove that concentricity is qualified, it is otherwise unqualified；
The measuring for verticality of crank mounting groove end face and coaxial aperture: mandrel penetrates the inner hole of measuring staff by part coaxial aperture
In, cooperate with part three, normal assembled state can determine that concentric holes are vertical with crank mounting groove, if mandrel and measuring staff cannot be just
Often assembly, then can be confirmed that its verticality is unqualified；
Measurement of the coaxial aperture center away from crank mounting groove bottom size: mandrel is while inspection hole concentricity shape, to measuring staff
It is fixed, rotates measuring staff, measuring staff head can be rotated around mandrel, and the block length size (R11 and R10) on measuring staff head is
Crank installs the tolerance limit value of groove depth, and the state of depth dimensions qualification should be that measuring staff head R10 circular arc can smoothly rotate
Pass through, the measurement circular arc of measuring staff head R11 size does not pass through, if R11 circular arc rotation in measuring staff head passes through, depth dimensions are greater than
Design requirement, depth dimensions are unqualified；If the depth dimensions of part are undressed in place, that is, it is less than design requirement size, then measuring staff
It can not be assembled in mandrel, not can be carried out effective detection；Two kinds of structures of measuring tool complete three kinds of coaxial aperture mounting base
The detection of geometric element.
Claims (2)
1. a kind of comprehensive measuring method for coaxial aperture mounting base, it is characterised in that: described for coaxial aperture mounting base
Comprehensive measuring method, technical requirements:
The concentricity in double-layer coaxial hole requires to be 0.2/100mm；The verticality of crank mounting groove end face and coaxial aperture is 0.2/
100mm；Size of the coaxial aperture center away from crank mounting groove bottom requires
In process, using single measuring tool, only meet the measurement to groove width and aperture size, for above-mentioned important
Technical conditions detection have difficulties；Using conventional detection method, such as: signing method and coordinate machine check, since detection is empty
Between it is narrow, dial indicator head and gauge head cannot reach measuring point, cannot form effective measurement scheme, pass through indirect measurement method
Measurement, detection time is long, and detection effect is poor；
Measuring technique programme element: the composite measurement technology of coaxial aperture mounting base, the drawbacks of avoiding conventional detection mode, from inspection
It surveys in principle and is converted；The measurement method uses for reference the design feature of matched part in assembling assembly, is surveyed by single element
The implementation of amount scheme, integrates out a set of comprehensive detection mode, and this measuring technique can meet the specification simultaneously and size
Detection, meets the needs of component assembly state；
The structure and precision of coaxial aperture mounting base composite measurement tool:
Consisted of two parts using tool, i.e. mandrel and measuring staff, the two is realized in the assembled condition to each portion structure of part
Comprehensive detection；
Mandrel is step axle construction, and the body diameter of big end is Φ 16mm, and the measuring point diameter of small end is bigger than normal, it is therefore an objective to anti-
Only measuring staff slides and holds conveniently when alignment measurement；The size of mounting base coaxial aperture isWithTo guarantee to match
Close precision and punch position (Hole) opening, the bar portion design size of mandrel isAnd entire measurement portion
The cylindricity of position requires as no more than 0.005mm, dimensional tolerance and technical conditions are more demanding；
Measuring staff is divided into handle and gauge head two parts, and the effect of handle is also easy for holding, and the outer circle of gauge head, two sides and inner hole are equal
Participate in the measurement of part；At gauge head two step arc surface separately design having a size ofWithFor coaxial aperture center
Away from crank mounting groove bottom sizeTwo limiting values, the concentricity of the two and inner hole is not more than 0.05, measuring staffIt is interior
Hole and mandrelInner hole guarantees the position precision of gauge head, makes gauge head step arc surfaceWith
Centralized positioning is stablized；The thickness in measuring staff both sides of the head face isWith part groove width sizeCooperation, with measuring staff
The verticality of head inner hole requires to be not more than 0.01mm, when alignment measurement, for detecting mounting base crank mounting groove end face and same
The verticality requirement of axis hole.
2. the comprehensive measuring method described in accordance with the claim 1 for coaxial aperture mounting base, it is characterised in that: measurement process:
The concentricity in double-layer coaxial hole detects: by the coaxial aperture of mandrel insertion part, if mandrel can be smoothly inserted into, proving
Concentricity is qualified, otherwise unqualified；
The measuring for verticality of crank mounting groove end face and coaxial aperture: mandrel penetrates in the inner hole of measuring staff by part coaxial aperture, with
Part three cooperation, normal assembled state can determine that concentric holes are vertical with crank mounting groove, if mandrel and measuring staff cannot be filled normally
Match, then can be confirmed that its verticality is unqualified；
Measurement of the coaxial aperture center away from crank mounting groove bottom size: mandrel carries out measuring staff while inspection hole concentricity shape
Fixation rotates measuring staff, and measuring staff head can rotate around mandrel, and the block length size (R11 and R10) on measuring staff head is crank
The tolerance limit value of groove depth is installed, the state of depth dimensions qualification should be that measuring staff head R10 circular arc can smoothly rotate and pass through,
The measurement circular arc of measuring staff head R11 size does not pass through, if R11 circular arc rotation in measuring staff head passes through, depth dimensions are greater than design
It is required that depth dimensions are unqualified；If the depth dimensions of part are undressed in place, that is, it is less than design requirement size, then measuring staff can not
It is assembled in mandrel, not can be carried out effective detection；Two kinds of structures of measuring tool complete three kinds of geometry of coaxial aperture mounting base
The detection of element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449467.9A CN109556480A (en) | 2018-11-30 | 2018-11-30 | A kind of comprehensive measuring method for coaxial aperture mounting base |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811449467.9A CN109556480A (en) | 2018-11-30 | 2018-11-30 | A kind of comprehensive measuring method for coaxial aperture mounting base |
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| CN109556480A true CN109556480A (en) | 2019-04-02 |
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| CN201811449467.9A Pending CN109556480A (en) | 2018-11-30 | 2018-11-30 | A kind of comprehensive measuring method for coaxial aperture mounting base |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243251A (en) * | 2019-06-19 | 2019-09-17 | 云南西仪工业股份有限公司 | A method of it is detected for connecting rod multi-process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107348A (en) * | 2009-12-29 | 2011-06-29 | 鞠小平 | Method for processing planet carrier of heavy truck |
| CN204585116U (en) * | 2015-02-28 | 2015-08-26 | 北京航天计量测试技术研究所 | A kind of installing mechanism realizing fixation workpiece in blind hole |
| CN105466317A (en) * | 2015-11-20 | 2016-04-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Comprehensive measurement method of coaxial hole installation seat |
-
2018
- 2018-11-30 CN CN201811449467.9A patent/CN109556480A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107348A (en) * | 2009-12-29 | 2011-06-29 | 鞠小平 | Method for processing planet carrier of heavy truck |
| CN204585116U (en) * | 2015-02-28 | 2015-08-26 | 北京航天计量测试技术研究所 | A kind of installing mechanism realizing fixation workpiece in blind hole |
| CN105466317A (en) * | 2015-11-20 | 2016-04-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Comprehensive measurement method of coaxial hole installation seat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243251A (en) * | 2019-06-19 | 2019-09-17 | 云南西仪工业股份有限公司 | A method of it is detected for connecting rod multi-process |
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Application publication date: 20190402 |