CN108896260A - A kind of precision spot welding position non-destructive testing device and method - Google Patents
A kind of precision spot welding position non-destructive testing device and method Download PDFInfo
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- CN108896260A CN108896260A CN201810803417.XA CN201810803417A CN108896260A CN 108896260 A CN108896260 A CN 108896260A CN 201810803417 A CN201810803417 A CN 201810803417A CN 108896260 A CN108896260 A CN 108896260A
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- vibration
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- welding position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of accurate spot welding position non-destructive testing device and methods, using the basic physical principle of " pulling out a nail ", one fixed pulling force is applied to measured object, and a vibration source is placed on it, the welding of the rumble spectrum of detection with this condition simultaneously, the indirect assessment components solidifies quality.
Description
Technical field
The present invention relates to a kind of non-destructive testing device and methods, fill more particularly to a kind of accurate spot welding position non-destructive testing
It sets and method.
Background technique
Precision parts（Metal is nonmetallic）Using more and more extensive, but its quality testing means is lacked very much,
Such as the precision parts in certain structure are welded on, welding solidification quality is difficult to always check and evaluation.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provide a kind of accurate spot welding position non-destructive testing device and
Method applies a fixed pulling force to measured object using the basic physical principle of " pulling out a nail ", and places a vibration on it
Source, while rumble spectrum with this condition is detected, the welding of the indirect assessment components solidifies quality.
The technical solution adopted by the present invention to solve the technical problems is a kind of precision spot welding position non-destructive testing device,
Including detecting cover, fixture, vibration source, multiple vibration receiving sensors, vibration analysis instrument, it is characterised in that：The detection cover
Internal diameter is greater than the rotating diameter of tested components；The fixture is fixed in detection cover, and fixture has clamping components and to zero
Component applies the function of a fixed pulling force；The vibration source is fixed on detection and covers at interior bottom center；The multiple vibration, which receives, to be passed
Sensor distribution is fixed on detection cover inner peripheral surface；The multiple vibration receiving sensor is electrically connected with vibration analysis instrument.
A kind of precision spot welding position lossless detection method, using above-mentioned apparatus, it is characterised in that：Detection method is divided into calibration
Process and actual measurement process,
The calibration process is,
A. it will test cover to be buckled on standard parts and components, the vibration plane of vibration source is close to standard parts and components；The standard parts and components material,
Structure is identical as tested components, and welding position conforms to quality requirements；
B. fixture is controlled, standard parts and components are clamped and a fixed pulling force is applied to standard parts and components；
C. vibration source vibrates, exciting standard parts and components；
D. more vibration receiving sensors surround standard parts and components, receive the vibration signal of the standard parts and components of exciting, and will vibration
Dynamic signal is transmitted to vibration analysis instrument；
E. the vibration signal received is carried out locking phase enhanced processing by vibration analysis instrument, saves the vibration signal of standard parts and components
Amplitude, phase parameter；
The actual measurement process is,
F. it will test cover to be buckled on tested components, the vibration plane of vibration source is close to tested components；
G. fixture is controlled, tested components are clamped and a fixed pulling force is applied to tested components；
H. vibration source vibrates, and exciting is detected components；
I. more vibration receiving sensors surround tested components, receive the vibration signal of the tested components of exciting, and will vibration
Dynamic signal is transmitted to vibration analysis instrument；
J. the vibration signal received is carried out locking phase enhanced processing by vibration analysis instrument, obtains the vibration signal of tested components
Amplitude, phase parameter, and be compared with the amplitude of the vibration signal of standard parts and components obtained in step e, phase parameter
Analysis；When a welding position existing defects of tested components, the vibration receiving sensor of the face welding position is received
To vibration signal it is different from the amplitude of vibration signal received in calibration process, phase parameter, the weldering of components is determined with this
Connect quality.
A kind of precision spot welding position lossless detection method, it is characterised in that：Further, strip is welded, using butt welding
Socket part position applies a fixed pulling force, and carries out scanning detection along the form that welding direction is moved in vibration.
The invention has the advantages that a kind of precision spot welding position non-destructive testing device and method, using " pulling out a nail "
Basic physical principle applies a fixed pulling force to measured object, and places a vibration source on it, while detecting with this condition
Rumble spectrum, the welding of the indirect assessment components solidifies quality.
Invention is further described in detail with reference to embodiments, but a kind of accurate spot welding position of the invention is lossless
Detection device and method are not limited to the embodiment.
Detailed description of the invention
The present invention is further described for middle embodiment with reference to the accompanying drawing.
Fig. 1 is the schematic device of the embodiment of the present invention.
In figure, 1. detection covers, 2. fixtures, 3. vibration sources, 4. vibration receiving sensors, 5. vibration analysis instruments, 6. by zero-detection
Component, 60. welding positions.
Specific embodiment
Embodiment, as shown in Figure 1, a kind of precision spot welding position non-destructive testing device, including detection cover 1, fixture 2, vibration source
3, multiple vibration receiving sensors 4, vibration analysis instrument 5, it is characterised in that：The internal diameter of the detection cover 1 is greater than by zero-detection portion
The rotating diameter of part 6；The fixture 2 is fixed in detection cover 1, and fixture 2 has clamping components and applies one to components
The function of fixed pulling force；The vibration source 3 is fixed in detection cover 1 at the center of bottom；The multiple distribution of vibration receiving sensor 4 is solid
It is scheduled on detection 1 inner peripheral surface of cover；The multiple vibration receiving sensor 4 is electrically connected with vibration analysis instrument 5.
A kind of precision spot welding position lossless detection method, using above-mentioned apparatus, it is characterised in that：Detection method is divided into calibration
Process and actual measurement process,
The calibration process is,
A. it will test cover 1 to be buckled on standard parts and components, the vibration plane of vibration source 3 is close to standard parts and components；The standard parts and components material
Matter, structure are identical as tested components 6, and welding position 60 conforms to quality requirements；
B. fixture 2 is controlled, standard parts and components are clamped and a fixed pulling force is applied to standard parts and components；
C. vibration source 3 vibrates, exciting standard parts and components；
D. more vibration receiving sensors 4 surround standard parts and components, receive the vibration signal of the standard parts and components of exciting, and will vibration
Dynamic signal is transmitted to vibration analysis instrument 5；
E. the vibration signal received is carried out locking phase enhanced processing by vibration analysis instrument 5, saves the vibration letter of standard parts and components
Number amplitude, phase parameter；
The actual measurement process is,
F. it will test cover 1 to be buckled on tested components 6, the vibration plane of vibration source 3 is close to tested components 6；
G. fixture 2 is controlled, tested components 6 are clamped and a fixed pulling force is applied to tested components 6；
H. vibration source 3 vibrates, and exciting is detected components 6；
I. more vibration receiving sensors 4 surround tested components 6, receive the vibration signal of the tested components 6 of exciting, and will
Vibration signal is transmitted to vibration analysis instrument 5；
J. the vibration signal received is carried out locking phase enhanced processing by vibration analysis instrument 5, obtains the vibration letter of tested components 6
Number amplitude, phase parameter, and compared with the amplitude of the vibration signal of standard parts and components obtained in step e, phase parameter
To analysis；When 60 existing defects of welding position of tested components 6, the vibration of the face welding position 60 receives sensing
The vibration signal that device 4 receives is different from the amplitude of vibration signal received in calibration process, phase parameter, determines zero with this
The welding quality of part.
A kind of precision spot welding position lossless detection method, it is characterised in that：Strip is welded, is applied using to welding position
One fixed pulling force, and scanning detection is carried out along the form that welding direction is moved in vibration.
Above-described embodiment is only used to further illustrate of the invention a kind of accurate spot welding position non-destructive testing device and method,
It is to the above embodiments according to the technical essence of the invention any simply to repair but the invention is not limited to embodiment
Change, equivalent variations and modification, falls within the scope of protection of technical solution of the present invention.
Claims (3)
1. a kind of precision spot welding position non-destructive testing device, including detection cover, fixture, vibration source, multiple vibration receiving sensors, vibration
Dynamic analysis instrument, it is characterised in that：The internal diameter of the detection cover is greater than the rotating diameter of tested components；The fixture is fixed on
In detection cover, fixture has the function of clamping components and applies a fixed pulling force to components；The vibration source is fixed on inspection
It surveys in covering at the center of bottom；The multiple vibration receiving sensor distribution is fixed on detection cover inner peripheral surface；The multiple vibration connects
Sensor is received to be electrically connected with vibration analysis instrument.
2. a kind of precision spot welding position lossless detection method, using device described in claim 1, it is characterised in that：Detection side
Method is divided into calibration process and actual measurement process,
The calibration process is,
A. it will test cover to be buckled on standard parts and components, the vibration plane of vibration source is close to standard parts and components；The standard parts and components material,
Structure is identical as tested components, and welding position conforms to quality requirements；
B. fixture is controlled, standard parts and components are clamped and a fixed pulling force is applied to standard parts and components；
C. vibration source vibrates, exciting standard parts and components；
D. more vibration receiving sensors surround standard parts and components, receive the vibration signal of the standard parts and components of exciting, and will vibration
Dynamic signal is transmitted to vibration analysis instrument；
E. the vibration signal received is carried out locking phase enhanced processing by vibration analysis instrument, saves the vibration signal of standard parts and components
Amplitude, phase parameter；
The actual measurement process is,
F. it will test cover to be buckled on tested components, the vibration plane of vibration source is close to tested components；
G. fixture is controlled, tested components are clamped and a fixed pulling force is applied to tested components；
H. vibration source vibrates, and exciting is detected components；
I. more vibration receiving sensors surround tested components, receive the vibration signal of the tested components of exciting, and will vibration
Dynamic signal is transmitted to vibration analysis instrument；
J. the vibration signal received is carried out locking phase enhanced processing by vibration analysis instrument, obtains the vibration signal of tested components
Amplitude, phase parameter, and be compared with the amplitude of the vibration signal of standard parts and components obtained in step e, phase parameter
Analysis；When a welding position existing defects of tested components, the vibration receiving sensor of the face welding position is received
To vibration signal it is different from the amplitude of vibration signal received in calibration process, phase parameter, the weldering of components is determined with this
Connect quality.
3. a kind of accurate spot welding position lossless detection method according to claim 2, it is characterised in that：Strip is welded,
Apply a fixed pulling force using to welding position, and carries out scanning detection along the form that welding direction is moved in vibration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810803417.XA CN108896260B (en) | 2018-07-20 | 2018-07-20 | Nondestructive testing method for precise spot welding part |
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| CN201810803417.XA CN108896260B (en) | 2018-07-20 | 2018-07-20 | Nondestructive testing method for precise spot welding part |
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| CN108896260B CN108896260B (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681998A (en) * | 2019-10-17 | 2020-01-14 | 江苏塔菲尔新能源科技股份有限公司 | Welding spot detection method and welding device |
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| JPH0682350A (en) * | 1992-09-03 | 1994-03-22 | Kawasaki Steel Corp | Method for introducing fatigue crack into test piece to be evaluated in fracture toughness |
| CN201429552Y (en) * | 2009-02-20 | 2010-03-24 | 重庆大学 | Tensile testing device under ultrasonic vibration on universal material tester |
| CN104406842A (en) * | 2014-12-17 | 2015-03-11 | 四川大学 | Fixing device applied to tension and pressure vibration fatigue test of components |
| CN206114594U (en) * | 2016-09-29 | 2017-04-19 | 中国人民解放军91872部队 | Small -size irregular foundry goods spectrum nondestructive test device |
| CN107101792A (en) * | 2017-05-27 | 2017-08-29 | 中国航发湖南动力机械研究所 | A kind of experimental rig, system and method for obtaining the welding pipeline vibrating fatigue limit |
| CN206684069U (en) * | 2017-04-11 | 2017-11-28 | 佛山中用自动化装备有限公司 | A kind of weld defect detection means |
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2018
- 2018-07-20 CN CN201810803417.XA patent/CN108896260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0682350A (en) * | 1992-09-03 | 1994-03-22 | Kawasaki Steel Corp | Method for introducing fatigue crack into test piece to be evaluated in fracture toughness |
| CN201429552Y (en) * | 2009-02-20 | 2010-03-24 | 重庆大学 | Tensile testing device under ultrasonic vibration on universal material tester |
| CN104406842A (en) * | 2014-12-17 | 2015-03-11 | 四川大学 | Fixing device applied to tension and pressure vibration fatigue test of components |
| CN206114594U (en) * | 2016-09-29 | 2017-04-19 | 中国人民解放军91872部队 | Small -size irregular foundry goods spectrum nondestructive test device |
| CN206684069U (en) * | 2017-04-11 | 2017-11-28 | 佛山中用自动化装备有限公司 | A kind of weld defect detection means |
| CN107101792A (en) * | 2017-05-27 | 2017-08-29 | 中国航发湖南动力机械研究所 | A kind of experimental rig, system and method for obtaining the welding pipeline vibrating fatigue limit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681998A (en) * | 2019-10-17 | 2020-01-14 | 江苏塔菲尔新能源科技股份有限公司 | Welding spot detection method and welding device |
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