CN108956757A - A kind of aviation extension spring magnetic powder auxiliary detection device and detection method - Google Patents
A kind of aviation extension spring magnetic powder auxiliary detection device and detection method Download PDFInfo
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- CN108956757A CN108956757A CN201810379762.5A CN201810379762A CN108956757A CN 108956757 A CN108956757 A CN 108956757A CN 201810379762 A CN201810379762 A CN 201810379762A CN 108956757 A CN108956757 A CN 108956757A
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- extension spring
- clamping piece
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- bracket
- regulation handle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
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- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention provides a kind of auxiliary testing agency of aviation extension spring Magnetic testing and inspection methods.The detection device includes bracket, clamping piece, lead screw, regulation handle, auxiliary handle, motor, extension spring both ends are fixed on clamping piece, the transmission device of motor drives lead screw to move left and right, realize the stretching and reduction of extension spring, rotation regulation handle fine-tunes the longitudinal stretching distance of extension spring.Remain that extension spring is circumferentially static using auxiliary handle in entire drawing process；The detection efficiency of original aviation extension spring is improved 5 times or more by the present invention, due to using supplemented by based on motor acting, manual fine is adjusted, while improving detection efficiency, a possibility that in turn avoiding aviation extension spring there are missing inspections, secondary damage.
Description
Technical field
The present invention relates to technical field of nondestructive testing, specifically a kind of auxiliary for aviation extension spring Magnetic testing is filled
It sets and inspection method.
Background technique
Extension spring (being also tension spring, abbreviation tension spring) is subject to the helical spring of axial tension, is being not subject to load
When, it is between the circle and circle of extension spring and tight and very close to each other.Aviation extension spring is main bearing member, fatiguability on aircraft
Part, it is the necessary guarantee for meeting aircraft safety that 100% Magnetic testing is carried out to it.Therefore, in aviation extension spring Magnetic testing
In the process, between the circle and circle of extension spring and tight and very close to each other region easily becomes check frequency, aviation extension spring magnetic
Powder detection auxiliary testing agency just becomes indispensable equipment.Currently, there is no the magnetic powder inspection specifically for aviation extension spring
Ancillary equipment is surveyed, artificial or simple and mechanical device is relied primarily on, after being magnetized using remanent magnetism detection method (first magnetize and observe afterwards)
Aviation extension spring is manually pulled open, then is observed spring magnetic particle indications, and entire detection process is time-consuming and laborious.
Summary of the invention
The purpose of the present invention is to provide a kind of auxiliary testing agency of achievable aviation extension spring Magnetic testing and inspections
Checking method.
A kind of aviation extension spring magnetic powder auxiliary detection device, including bracket, clamping piece, lead screw, regulation handle, auxiliary handle
Hand, motor, bracket both ends are respectively provided with a corresponding clamping piece, and clamping piece includes collet, stable bearing and protection shell, folder
One end of head is equipped with the screw thread cooperated with extension spring installation end, and the other end is mounted in stable bearing, and protective shell is mounted on surely
Determine Bearing outer；The clamping piece of bracket left end is connected with lead screw, the transmission device connection of lead screw and motor, the clamping of bracket left end
Part is equipped with an auxiliary handle, and the clamping piece of bracket right end is connect with regulation handle, and extension spring both ends are fixed in collet, electricity
The transmission device of machine starting, motor drives lead screw to move left and right, and realizes the stretching and reduction of extension spring, rotation regulation handle essence
The longitudinal stretching distance of thin tuning extension spring.
The method detected with the device comprising the steps of:
Extension spring left end after magnetization, is fixed on the folder of left end clamping piece by the position of 1 adjusting bracket left end clamping piece
In head, then by regulation handle adjusting right end clamping piece, extension spring right end is fixed in collet, completes extension spring and stretch
Preceding fixation；
2 starting motors, the slow stretching in extension spring deformation range are stretched near preset position in extension spring
When, right end clamping piece is fine-tuned by regulation handle, extension spring is stretched to state to be checked；
The extension spring of 3 pairs of states to be checked, which is poured, spills magnetic flaw detection ink, observes magnetic trace, while realizing extension spring using regulation handle
100% Magnetic testing remains that extension spring is circumferentially static using auxiliary handle in entire drawing process；
4, which will test the extension spring finished, slowly restores, and during extension spring is restored, will be drawn using insulating materials
It stretches and is spaced apart between spring ring and circle, direct-electrifying method is carried out to extension spring using stationary magnetic particle detector again and is magnetized,
Extension spring is pulled open into detection again again, realizes 100% Magnetic testing to extension spring all directions defect, utilizes auxiliary handle
Hand remains that extension spring is circumferentially static, it is ensured that extension spring is injury-free；
5, which will test the extension spring finished, slowly restores, and completes detection.
The present invention assists testing agency using aviation extension spring Magnetic testing, and the detection of original aviation extension spring is imitated
Rate improves 5 times or more, and original manual inspection method 4 hours at most detectable aviation extension springs 2 are now small using the equipment 4
When detectable aviation extension spring 10.Also, based on being done work using high torsion motor, supplemented by manual fine adjusting,
While improving detection efficiency, a possibility that in turn avoiding aviation extension spring there are missing inspections, secondary damage.
Detailed description of the invention
Fig. 1 single unit system structural schematic diagram
Clamping piece structure chart on the left of Fig. 2
Clamping piece structure chart on the right side of Fig. 3
Fig. 4 stable bearing structural schematic diagram
Figure label explanation: 1 bracket；2 motors；3 transmission devices；4 clamping pieces；5 screw rods；7 stable bearings；8 protection shells；
9 auxiliary handles；10 collets；11 regulation handles；
Specific embodiment
According to Fig. 1-Fig. 4, a kind of aviation extension spring magnetic powder auxiliary detection device, including bracket 1, motor 2, transmission
Device 3, lead screw 5, auxiliary handle 9, regulation handle 11,1 both ends of bracket are respectively provided with a corresponding clamping piece 4, and clamping piece 4 wraps
Collet 10, stable bearing 7 and protection shell 8 are included, one end of collet 10 is equipped with the screw thread cooperated with extension spring installation end, another
End is mounted in stable bearing 7, and protection shell 8 is mounted on outside stable bearing 7；The clamping piece 4 of 1 left end of bracket and 5 phase of lead screw
Even, lead screw 5 is connect with the transmission device 3 of motor 2, and the clamping piece 4 of 1 left end of bracket is equipped with an auxiliary handle 9,1 right end of bracket
Clamping piece 4 connect with regulation handle 11, extension spring both ends are fixed in collet 10, and motor 2 starts, the transmission of motor 1 dress
It sets 3 drive lead screws 5 to move left and right, realizes the stretching and reduction of extension spring, rotation regulation handle 11 fine-tunes extension spring
Longitudinal stretching distance.
The method detected using the device comprising the steps of:
1, left end clamping piece 4 is fixed in the extension spring left end after magnetization by the position of 1 left end clamping piece 4 of adjusting bracket
Collet 10 in, then by regulation handle 11 adjust right end clamping piece 4, extension spring right end is fixed in collet 10, complete
Extension spring is fixed before stretching；
2, start motor 2, the slow stretching in extension spring deformation range is stretched near preset position in extension spring
When, right end clamping piece 4 is fine-tuned by regulation handle 8, extension spring is stretched to state to be checked；
3, the extension spring of state to be checked is poured and spills magnetic flaw detection ink, observe magnetic trace, while realizing and stretching using regulation handle 11
100% Magnetic testing of spring remains that extension spring is circumferentially static using auxiliary handle 9 in entire drawing process；
4, it will test the extension spring finished slowly to restore, it, will using insulating materials during extension spring is restored
It is spaced apart between extension spring circle and circle, direct-electrifying method is carried out to extension spring using stationary magnetic particle detector again and is filled
Magnetic, then extension spring is pulled open into detection again, realize 100% Magnetic testing to extension spring all directions defect, utilization is auxiliary
Handle is helped to remain that extension spring is circumferentially static, it is ensured that extension spring is injury-free；
5, it will test the extension spring finished slowly to restore, complete detection.
Claims (2)
1. a kind of aviation extension spring magnetic powder auxiliary detection device, including bracket, clamping piece, lead screw, regulation handle, auxiliary handle
Hand, motor, it is characterised in that bracket both ends are respectively provided with a corresponding clamping piece, clamping piece include collet, stable bearing and
Shell is protected, one end of collet is equipped with the screw thread cooperated with extension spring installation end, and the other end is mounted in stable bearing, protects
Shell is mounted on outside stable bearing；The clamping piece of bracket left end is connected with lead screw, the transmission device connection of lead screw and motor, bracket
The clamping piece of left end is equipped with an auxiliary handle, and the clamping piece of bracket right end is connect with regulation handle, and extension spring both ends are fixed
In collet, the transmission device of electric motor starting, motor drives lead screw to move left and right, and realizes the stretching and reduction of extension spring, turns
Dynamic regulation handle fine-tunes the longitudinal stretching distance of extension spring.
2. a kind of aviation extension spring magnetic powder detection method, it is characterised in that comprise the steps of:
Extension spring left end after magnetization, is fixed on the collet of left end clamping piece by the position of 2-1 adjusting bracket left end clamping piece
In, then by regulation handle adjusting right end clamping piece, extension spring right end is fixed in collet, before completing extension spring stretching
It is fixed；
2-2 starting motor, the slow stretching in extension spring deformation range, when extension spring is stretched near preset position,
Right end clamping piece is fine-tuned by regulation handle, extension spring is stretched to state to be checked；
2-3 pours the extension spring of state to be checked and spills magnetic flaw detection ink, observes magnetic trace, while realizing extension spring using regulation handle
100% Magnetic testing remains that extension spring is circumferentially static using auxiliary handle in entire drawing process；
2-4 will test the extension spring finished and slowly restore, and during extension spring is restored, will be stretched using insulating materials
It is spaced apart between spring ring and circle, direct-electrifying method is carried out to extension spring using stationary magnetic particle detector again and is magnetized, then
Again extension spring is pulled open into detection, realizes to 100% Magnetic testing of extension spring all directions defect, utilizes auxiliary handle
Remain that extension spring is circumferentially static, it is ensured that extension spring is injury-free；
2-5 will test the extension spring finished and slowly restore, and complete detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379762.5A CN108956757A (en) | 2018-04-25 | 2018-04-25 | A kind of aviation extension spring magnetic powder auxiliary detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379762.5A CN108956757A (en) | 2018-04-25 | 2018-04-25 | A kind of aviation extension spring magnetic powder auxiliary detection device and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN108956757A true CN108956757A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810379762.5A Pending CN108956757A (en) | 2018-04-25 | 2018-04-25 | A kind of aviation extension spring magnetic powder auxiliary detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554086A (en) * | 2019-08-27 | 2019-12-10 | 国营芜湖机械厂 | Device for circumferential magnetization of airplane extension spring and short shaft type parts |
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| US20020095995A1 (en) * | 2000-03-31 | 2002-07-25 | Kelly Willson-Hackworth | Creep testing fixture and method |
| CN201266125Y (en) * | 2008-08-07 | 2009-07-01 | 常州市明及电气技术开发有限公司 | Spring tension detecting instrument |
| CN204666558U (en) * | 2015-02-28 | 2015-09-23 | 江苏赛福探伤设备制造有限公司 | A kind of spring fluorescent magnetic particle inspection machine |
| CN105866242A (en) * | 2016-06-22 | 2016-08-17 | 中国人民解放军海军航空工程学院青岛校区 | Intelligent magnetic particle flaw detector |
| CN107134947A (en) * | 2017-06-13 | 2017-09-05 | 浙江师范大学 | A kind of biaxial stretch-formed device of dielectric elastomer |
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| CN207232080U (en) * | 2017-09-22 | 2018-04-13 | 江苏中凯探伤设备制造有限公司 | A kind of spring magnetic powder inspection device |
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2018
- 2018-04-25 CN CN201810379762.5A patent/CN108956757A/en active Pending
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|---|---|---|---|---|
| US20020095995A1 (en) * | 2000-03-31 | 2002-07-25 | Kelly Willson-Hackworth | Creep testing fixture and method |
| CN201266125Y (en) * | 2008-08-07 | 2009-07-01 | 常州市明及电气技术开发有限公司 | Spring tension detecting instrument |
| CN204666558U (en) * | 2015-02-28 | 2015-09-23 | 江苏赛福探伤设备制造有限公司 | A kind of spring fluorescent magnetic particle inspection machine |
| CN105866242A (en) * | 2016-06-22 | 2016-08-17 | 中国人民解放军海军航空工程学院青岛校区 | Intelligent magnetic particle flaw detector |
| CN107134947A (en) * | 2017-06-13 | 2017-09-05 | 浙江师范大学 | A kind of biaxial stretch-formed device of dielectric elastomer |
| CN206920261U (en) * | 2017-06-16 | 2018-01-23 | 山东联美弹簧科技股份有限公司 | Extension spring fatigue tester |
| CN207232080U (en) * | 2017-09-22 | 2018-04-13 | 江苏中凯探伤设备制造有限公司 | A kind of spring magnetic powder inspection device |
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| 刘凯 等: "航空拉伸弹簧磁粉检测辅助系统研究", 《第十一届全国磁粉渗透检测技术年会论文集》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554086A (en) * | 2019-08-27 | 2019-12-10 | 国营芜湖机械厂 | Device for circumferential magnetization of airplane extension spring and short shaft type parts |
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