CN109373864A - A kind of gap detection device and detection method of complex profile small space - Google Patents
A kind of gap detection device and detection method of complex profile small space Download PDFInfo
- Publication number
- CN109373864A CN109373864A CN201811385227.7A CN201811385227A CN109373864A CN 109373864 A CN109373864 A CN 109373864A CN 201811385227 A CN201811385227 A CN 201811385227A CN 109373864 A CN109373864 A CN 109373864A
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- Prior art keywords
- gap
- small space
- detection device
- detection
- complex profile
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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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
Abstract
The invention discloses the gap detection devices and detection method of a kind of complex profile small space, detection device includes go side (1) and not-go-end (2), the go side (1) and not-go-end (2) are detachably connected on handle (3) both ends respectively, and go side (1) and not-go-end (2) are flexible.When detecting, extend along part type face using hand-held detection device, go side (1) and not-go-end (2) detector gap is used respectively, and go side (1) can freely extend into gap root along clearance wall, and not-go-end (2) does not pass through.This invention ensures that small space gap location can be freely accessible to, part gap detection fast and stable reduces labor intensity, improves detection efficiency, ensure that detection quality.
Description
Technical field
The invention belongs to technical field of mechanical processing, it is related to gap detection device and the inspection of a kind of complex profile small space
Survey method.
Background technique
There are some problems in development and production process for the gap detection of complex profile small space: detection narrow space, type
Face is complicated, detection inaccuracy, reflects that the detection in such gap influences processing progress in process.As shown in Figure 1, being complicated empty
Between gap schematic diagram.The gap of complex profile small space is predominantly located in the main chamber burner inner liner of the h type engine h, fire
Flame cylinder is engine thermal effect core component, and airflow channel control has strict demand, directly affects engine air pressure, temperature etc.
Factor is to influence engine performance, therefore clearance channel must be strictly controlled between each part.Therefore small space in combustion chamber
Cooling gap between complex profile will seriously affect the combustion process and cooling performance of engine main chamber, decide hair
The service life of motivation.The part type face is complicated, narrow space, and general measurer is short and rigidity is good, and accessibility is poor, cannot directly examine
It surveys, there is presently no effective detection devices, it is not easy to observe, measurement accuracy rate is low, it usually needs detection is repeated several times in more people.
Summary of the invention
The technical problem to be solved by the present invention is providing gap detection device and the detection of a kind of complex profile small space
Method guarantees to be freely accessible to small space gap location, and part gap detection fast and stable reduces labor intensity, improves inspection
Efficiency is surveyed, guarantees detection quality.
The gap detection device of complex profile small space and the principle of detection method are: first according to actual parts space,
Type face and size design manufacture a set of detection device；Secondly, when detecting, being extended using hand-held detection device along part type face
Enter, use go side and not-go-end detector gap respectively, go side can freely extend into gap root along clearance wall, and not-go-end is obstructed
It crosses.
In order to achieve the above objectives, the present invention is achieved through the following technical solutions:
A kind of gap detection device of complex profile small space, including go side and not-go-end, the go side and not-go-end difference
Handle both ends are detachably connected on, and go side and not-go-end are flexible.
The material of the go side and not-go-end is GCr15.
The handle is connect with go side, not-go-end interference.
The handle is hollow structure.
A kind of gap detection method of complex profile small space, when detecting, using hand-held detection device along part
Type face extends, and uses go side and not-go-end detector gap respectively, and go side can freely extend into gap root along clearance wall,
Not-go-end does not pass through.
Be compared with the traditional method the invention has the advantages that
1, detection efficiency is improved, structure of the detecting device is simple, detects accurate positioning fast and stable, convenient to use, inspection
The survey period is foreshortened to present 5min by original 20min；
2, detection accessibility improves, and detection device can be bent, can be free for the gap of complex profile, narrow space
Detection；
3, detection go side is manufactured with GCr15 material and not-go-end, go side are connected with not-go-end by handle, and increase length and have
It is sufficiently ductile；
4, detection accuracy is improved, can freely detect the root in gap, reproducible, wearability is good, and satisfaction is set
Count processing request.
Detailed description of the invention
Fig. 1 is the gap figure of part small space；
Fig. 2 is check device figure；
Wherein, 1. go sides (can be bent)；2. not-go-end (can be bent)；3. handle.
Specific embodiment
Technical solution of the present invention is described further below in conjunction with attached drawing, but required protection scope does not limit to
In described.
The present invention designs a set of detection device according to actual parts space, type face and specific size, according to spatial accessibility
The total length of detection device is controlled, as shown in Fig. 1；The material for selecting flexibility good according to space size, type face complexity；
Increase decreased food and size, it is convenient hand-held；Detect go side completely into.
Specifically, implement as steps described below:
(1) the go side size of detection device and not-go-end size require to design according to part gap size H, the intermediate gap Fig. 1 H
It is position to be detected；
(2) as shown in Fig. 2, detection device includes go side 1 and not-go-end 2, go side 1 and not-go-end 2 are detachably connected on hand respectively
3 both ends of handle, and go side 1 and not-go-end 2 are flexible.For example, handle 3 is provided with the through-hole of length direction, go side 1 and not-go-end 2 are inserted into
Kong Zhong, and fit system is interference fit.2 length of 1 length of go side and not-go-end of detection device, according to the specific gap of part
Depth design, such as the part in Fig. 1, by statistics, length can satisfy the testing requirements of existing part when being 50；
(3) total length of detection device is depending on decreased food, according to empty where the accessibility in part space and gap
Between depth be designed, when needing to adjust, go side 1 and not-go-end 2 are inserted or pull out along the inner hole of handle 3；
(4) material of go side 1 and not-go-end 2 need to have certain bendability, by material selection and test, material GCr15 energy
It enough meets the requirements, toughness and wearability are good, and bending degree can satisfy the small space of current complex profile.External force
Under, go side 1 and 2 free segment of not-go-end can be around the bending two ends of handle 3；
(5) before detecting, using the size of micrometer detection go side 1 and not-go-end 2, guarantee to meet the requirements；
(6) when detecting, hand-held device handle 3, device detection go side 1 need to be extended into along clearance type face, can be free
Into root, gap cannot be freely accessible to by detecting not-go-end 2.
Claims (5)
1. a kind of gap detection device of complex profile small space, including go side (1) and not-go-end (2), it is characterised in that: described
Go side (1) and not-go-end (2) are detachably connected on handle (3) both ends respectively, and go side (1) and not-go-end (2) are flexible.
2. a kind of gap detection device of complex profile small space according to claim 1, it is characterised in that: described logical
Holding the material of (1) and not-go-end (2) is GCr15.
3. a kind of gap detection device of complex profile small space according to claim 1, it is characterised in that: the hand
Handle (3) is connect with go side (1), not-go-end (2) interference.
4. a kind of gap detection device of complex profile small space according to claim 1, it is characterised in that: the hand
Handle (3) is hollow structure.
5. a kind of gap detection method of complex profile small space, it is characterised in that: when detecting, using hand-held detection device
Extend along part type face, use go side (1) and not-go-end (2) detector gap respectively, go side (1) can be along clearance wall certainly
By extending into gap root, not-go-end (2) does not pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385227.7A CN109373864A (en) | 2018-11-20 | 2018-11-20 | A kind of gap detection device and detection method of complex profile small space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385227.7A CN109373864A (en) | 2018-11-20 | 2018-11-20 | A kind of gap detection device and detection method of complex profile small space |
Publications (1)
| Publication Number | Publication Date |
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| CN109373864A true CN109373864A (en) | 2019-02-22 |
Family
ID=65377032
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|---|---|---|---|
| CN201811385227.7A Pending CN109373864A (en) | 2018-11-20 | 2018-11-20 | A kind of gap detection device and detection method of complex profile small space |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912319A (en) * | 2020-06-17 | 2020-11-10 | 成都飞机工业（集团）有限责任公司 | Special gap detection tool for airplane and use method |
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| CN106123721A (en) * | 2016-08-24 | 2016-11-16 | 上海应用技术学院 | A kind of turbo rotor groove gauge and processing method thereof |
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Application publication date: 20190222 |