CN109085243A - Metalwork hurt inspection method and its device - Google Patents
Metalwork hurt inspection method and its device Download PDFInfo
- Publication number
- CN109085243A CN109085243A CN201811165333.4A CN201811165333A CN109085243A CN 109085243 A CN109085243 A CN 109085243A CN 201811165333 A CN201811165333 A CN 201811165333A CN 109085243 A CN109085243 A CN 109085243A
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- China
- Prior art keywords
- metalwork
- sphere
- hurt
- guide pipe
- flat surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000007689 inspection Methods 0.000 title claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 241000219109 Citrullus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
Abstract
The present invention relates to field of non destructive testing, a kind of metalwork hurt inspection method and its device are disclosed, metalwork has flat surface, metalwork is horizontally arranged, being arranged one can be along the sphere on vertical path freely falling body to metalwork flat surface, two kinds of reference values of number that the decibel value and sphere and metalwork generated when being touched by acquisition sphere and metalwork is touched, two kinds of reference values are made comparisons with respective standard value.It forms the shock to metalwork flat surface using sphere freely falling body to beat by hand instead of worker, each initial impact dynamics is uniform, reduces the interference of human factor.The sound and number for hitting and generating are measured using sound transducer, differentiates hurt with standard value comparison, prevent the failure leak check situation of the erroneous judgement listened with ear, soon and human factor from generating.Vibrating numerical is measured to replace hand-transmitted vibration using vibrating sensor, and effect is more intuitive.
Description
Technical field
The invention belongs to technical field of nondestructive testing, and in particular, to a kind of metalwork hurt inspection method and its device.
Background technique
Currently, the flaw detection of many metalworks relies primarily on ultrasonic wave and detected, such as railway track, rail are rails
The basic load-carrying members in road are used for pilot engine vehicle driving, while providing the contact surface of minimum drag, steel for the rolling of wheel
Rail requires have enough bearing capacitys, bending strength, fracture toughness, stability, and the rail used on railway must endure as huge
Pressure, need the steel high using quality, requirement of the railway track to steel is all high, some nibs than others application
It then will lead to rail fracture at any time in railway track appearance and be led to train derailment, therefore its flaw detection is particularly important.
Potassium steel block cast formula frog steel rail is currently used rail, belongs to cast article, and there are coarse grains in rail
The characteristics of, ultrasonic wave can scatter during flaw detection, and the signal for causing instrument to receive is disorderly and unsystematic, can not detect, railway
Worker can only be tapped by traditional hand hammer, its echo, viewing hand hammer take-off number and vibration sense is listened to discriminate whether wound, this
Traditional-handwork operation, discriminating whether maturation just as " patting watermelon ", completely by feat of the experience of worker and feeling, hurt
Missing inspection and False Rate are very high, and one may cause unnecessary waste of material, and two may come into operation hurt part, finally lead
It causes to generate immeasurable serious consequence.
It is equally, other to have the metalwork to conflict when carrying out ultrasonic examination with the flaw detection mechanism of ultrasonic wave,
It can not be successfully and detected, also smoothly can quickly carry out hurt inspection to ensure that these are not suitable for the metalwork of ultrasonic examination
It looks into, needs the hurt check device for developing a kind of strong applicability.
Summary of the invention
A kind of intelligent and digitlization, hurt detection are provided the purpose of the present invention is overcoming the above-mentioned insufficient of the prior art
The high metalwork hurt inspection method of rate.
The present invention also provides the metalwork hurt that a kind of structure is simple and convenient to operate, can fast distinguish rail quality simultaneously
Check device.
The technical scheme is that a kind of metalwork hurt inspection method, metalwork has flat surface, by metalwork
Horizontal positioned, setting one can pass through acquisition sphere and gold along the sphere on vertical path freely falling body to metalwork flat surface
Belong to two kinds of reference values of number that the decibel value generated when part touching and sphere and metalwork are touched, by two kinds of reference values and phase
Standard value is answered to make comparisons.
The further technical solution of the present invention is: the vibration of metalwork is collected at the position that sphere and metalwork are touched
Dynamic frequency and vibration displacement parameter, and make comparisons with respective standard value.
It is of the invention another solution is that a kind of metalwork hurt check device, including hang down with metalwork flat surface
The linear guide pipe being directly arranged, places sphere in guide pipe, and guide pipe first end and metalwork be detachably connected, second end
Portion, which is placed, to be occurred to be attracted with sphere and isolated calutron, sphere can make the movement of falling object after separating with calutron
It is touched to metalwork, the decibel value being equipped at the part of guide pipe middle section when a detectable sphere and metalwork touching and touching
The detecting head of number.
The present invention is further another solution is that guide pipe first end and metalwork are realized by an annular magnet
It is detachably connected.
The present invention is further another solution is that calutron is electromagnet.
The present invention is further another solution is that detecting head is sound transducer.
The present invention is further another solution is that guide pipe the second end is additionally provided with spirit level for ensuring guide pipe
In vertical state with metalwork flat surface.
The present invention is further another solution is that metalwork is equipped with vibration at the touching close to sphere and metalwork
The vibration frequency and vibration displacement of metalwork when sensor is used to monitor sphere touching metalwork.
The present invention is further another solution is that guide pipe is offering one at calutron setting for ball
The entrance that body enters.
The present invention is further another solution is that guide pipe is being equipped with one at first end for sphere taking-up
Outlet.
Compared with the prior art, the invention has the following features:
1. forming the shock to metalwork flat surface using sphere freely falling body to beat by hand instead of worker, each initial impact
Dynamics is uniform, reduces the interference of human factor.
2. hitting the sound and number generated using sound transducer measurement, hurt is differentiated with standard value comparison, is prevented
It is listened with ear, the failure leak check situation generation of erroneous judgement soon and human factor.
3. measuring vibrating numerical using vibrating sensor to replace hand-transmitted vibration, effect is more intuitive.
4. linear guide pipe provides the motion path of freely falling body for sphere, sphere sideslip is avoided, keeps sphere positive
It is hit with metalwork flat surface, to ensure optimum detection effect.
5. calutron can be attracted sphere in the non-detection time, and when detecting between discharge sphere suddenly, automatically
Realize the freely falling body power supply of sphere.
6. spirit level can provide judgement reference for linear guide pipe and being vertically arranged for metalwork flat surface, it is ensured that straight
The good installation of linear guide pipe, in case the subsequent friction for eliminating sphere and tube wall.
7. check device structure is simple, intelligence degree is high, in conjunction with the design of relative alarm device in the prior art, gently
Pine nut shows being automatically performed for entire detection process.
Detailed construction of the invention is further described below in conjunction with the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of metalwork hurt check device as described in example 2.
Specific embodiment
Embodiment 1
A kind of metalwork hurt inspection method is provided, metalwork has flat surface, metalwork is horizontally arranged, and setting one can edge
Sphere on vertical path freely falling body to metalwork flat surface, the decibel generated when being touched by acquisition sphere and metalwork
Two kinds of reference values of number that value and sphere and metalwork are touched, two kinds of reference values are made comparisons with respective standard value
Telling in metalwork also can determine whether hurt size according to the difference degree of these reference values and standard value with the presence or absence of hurt.
Further to assist confirmation hurt situation, metalwork can be also collected at the position that sphere and metalwork are touched
Vibration frequency and vibration displacement parameter, and make comparisons with respective standard value.
Embodiment 2
A kind of metalwork hurt check device, the metalwork of the present embodiment is by taking rail as an example, as shown in Figure 1, hurt check device
Including with the vertically disposed linear guide pipe 1 of rail A flat surface, sphere 2 is placed in guide pipe 1,2 diameter of sphere is slightly smaller than
1 diameter of guide pipe, guide pipe 1 and sphere 2 are made of the metal material with magnetic property, and 1 first end of guide pipe passes through one
Annular magnet 3 is detachably connected on rail A, and guide pipe 1 can be firmly drawn on rail A by annular magnet 3, guarantees guide pipe 1
Installation is stablized, and 1 the second end of guide pipe, which is placed with, actuation and isolated electromagnet 4 occurs with sphere 2, and electromagnet 4 is by corresponding
Switch control power on/off (the control system of switching on or off electricity category prior art of electromagnet, it will not be described here), sphere 2 can be in electromagnet 4
It is separated after power-off with electromagnet 4 and makees the movement of falling object along guide pipe 1 and touched to rail A.
For convenient for precisely collecting the touching information related to rail A's of sphere 2, provided for rail defects and failures effectively judge according to
According to 1 middle portion of guide pipe is separated by a detection mouth 11, detects point when being equipped with a detectable sphere and rail touching at mouth 11
The sound transducer 5 of shellfish value and touching number, sound transducer collection head are placed at detection mouth.
When rail A is additionally provided with vibrating sensor 6 for monitoring sphere touching rail at the touching close to sphere and rail
The vibration frequency and vibration displacement of rail, specifically, vibrating sensor 6 be located at the outside of guide pipe 1 and be mounted on rail A table
Face.
The hurt check device of the present embodiment further includes processor (not shown), and sound transducer 5 and vibrating sensor 6 are equal
It is electrically connected with processor, processor memory is contained about relevant standard value (i.e. the decibel standard value, touching for judging rail defects and failures degree
Touch number standard value, vibration frequency standard value and vibration displacement standard value), processor is also electrically connected with an alarm and (does not show
Out), after the response signal that sound transducer 5 and vibrating sensor 6 perceive is transferred to processor, processor can be by these signals
Judgement is compared with respective standard value, such as judges then to control alarm equipment alarm with the presence of hurt situation.Processor and alarm
Device it is specific design, electrical connection and the course of work it is generally existing in the prior art, in the present embodiment no longer
It is recorded in detail.
To ensure that sphere 2 can smoothly complete the movement of falling object, 1 the second end of guide pipe is additionally provided with spirit level 7 and is used for really
Protect guide pipe 1 and rail A flat surface in vertical state, specifically, spirit level 7 is mountable at 4 top of electromagnet, by leaning on
Ruler installs spirit level 7 after detecting 1 verticality of guide pipe, keeps bubble placed in the middle, can so confirm the vertical configuration of guide pipe 1
State can effectively eliminate friction when sphere 2 falls with 1 tube wall of guide pipe in this way.
Guide pipe 1 is offering an entrance 12 entered for sphere 2 at 4 setting of electromagnet, and the setting of entrance is just
It is filled in guide pipe 1 at any time in sphere 2, such as without the entrance, sphere must be put into inside guide pipe at the beginning of guide pipe is installed,
And need to establish on the basis of guiding length of tube is shorter, otherwise the suction of electromagnet 4 can not suct remote sphere 2
It goes, and after having entrance, guide pipe 1 can be installed first, when being ready for detection, sphere 2 filled in from entrance 12 conveniently,
Sphere 2 can be quickly sucked in electromagnet 4.
Guide pipe 1 is being equipped with an outlet 13 taken out for sphere 2 at itself first end, and outlet one side can
The dismounting number of guide pipe is reduced when repeated detection need to be carried out for same rail, on the other hand can after the completion of each detection and
When sphere 2 is taken out, avoid first tearing open guide pipe and take that sphere situation lower sphere may arbitrarily collision causes mutually in guide pipe again
The case where deformation, occurs.
The course of work of this hurt check device is as follows: installing electromagnet 4, the guide pipe 1 of sound transducer 5 passes through ring
Shape magnet 3, which is adsorbed to rail A, needs inspection department, in adsorption process, installs spirit level after detecting 1 verticality of guide pipe by guiding ruler
7, it hereafter needs to combine 1 direction of bubble situation appropriate adjustment guide pipe in spirit level 7, until bubble is placed in the middle in spirit level, just now most
Whole fixed guide pipe 7；By the installation of vibrating sensor 6 to the surface rail A of nearly guide pipe 1；Electro-magnet switch is opened, by sphere 2
It is filled in from guiding tube inlet 12, is adsorbed on sphere 2 on electromagnet 4, be then shut off electro-magnet switch, after magnetic attraction disappears, ball
Body 2 with rail A by free gravity falling bodies to colliding and issuing the sound, and then sphere 2 may occur to rebound to fall again to hit steel
Rail may also no longer rebound certainly, and in this process, sound transducer 5 is collected into sound when sphere collides every time
Decibel value and the number of take-off (sound) (namely touching number), while vibrating sensor 6 can also collect the vibration frequency of rail
And vibration displacement, the relevant information that sound transducer 5 and vibrating sensor 6 are collected into finally are transmitted to processor and corresponding mark
Quasi- value is compared, and specifically, when decibel value is significantly more than respective standard value, then illustrates there is hurt in rail, decibel value is more than
Standard value is more, then illustrates that rail defects and failures are bigger；The number of take-off is less than standard value, also illustrates there is hurt in rail, works as bead
There is no take-off (take-off number is 0), then proves there is larger hurt in rail；When the vibration frequency and vibration displacement numerical value of rail are super
Respective standard value is crossed, then illustrates there is wound in rail again.Processor can control in time alarm according to these numerical value comparable situations
Worker is instructed to differentiate the hurt situation of rail to alarm signal is issued there are the rail of hurt.
The detection whole process of this hurt check device can be participated in without personnel, intelligent, high degree of automation, and by precision compared with
High sound transducer and vibrating sensor monitors the actual act situation of sphere and rail, can effectively ensure detection effect.
The present invention is not limited to above-mentioned specific structure, as long as having and the essentially identical construction or design thinking of the present invention
Hurt inspection method or device just fall within the scope and spirit of the invention.
Claims (10)
1. a kind of metalwork hurt inspection method, metalwork has flat surface, it is characterized in that: metalwork is horizontally arranged, if
Setting one can produce when being touched by acquisition sphere with metalwork along the sphere on vertical path freely falling body to metalwork flat surface
Two kinds of reference values and respective standard value are made ratio by two kinds of reference values of number that raw decibel value and sphere and metalwork is touched
Compared with.
2. metalwork hurt inspection method according to claim 1, it is characterized in that: touched in sphere and metalwork
The vibration frequency and vibration displacement parameter of metalwork are collected at position, and are made comparisons with respective standard value.
3. a kind of realize that the metalwork hurt inspection such as the described in any item metalwork hurt inspection methods of claim 1~2 fills
It sets, it is characterized in that: including and the vertically disposed linear guide pipe (1) of metalwork flat surface, the interior placement sphere of guide pipe (1)
(2), guide pipe (1) first end is detachably connected with metalwork, the second end is placed to occur to be attracted and separate with sphere (2)
Calutron, sphere (2) can make after being separated with calutron the movement of falling object to metalwork touch, guide pipe middle section
The detecting head of the decibel value and touching number that are equipped at part when a detectable sphere (2) and metalwork touching.
4. metalwork hurt check device according to claim 3, it is characterized in that: guide pipe (1) first end and metal
Part is realized by an annular magnet (3) and is detachably connected.
5. metalwork hurt check device according to claim 3, it is characterized in that: calutron is electromagnet (4).
6. metalwork hurt check device according to claim 3, it is characterized in that: detecting head is sound transducer (5).
7. metalwork hurt check device according to claim 3, it is characterized in that: guide pipe (1) the second end is additionally provided with
Spirit level (7) is for ensuring guide pipe (1) and metalwork flat surface in vertical state.
8. metalwork hurt check device according to claim 3, it is characterized in that: metalwork is close to sphere (2) and gold
Belong to and is equipped with the vibration frequency of metalwork and vibration position when vibrating sensor (6) are used to monitor sphere touching metalwork at the touching of part
It moves.
9. metalwork hurt check device according to claim 3, it is characterized in that: guide pipe (1) is close to calutron
An entrance (12) entered for sphere (2) is offered at setting.
10. metalwork hurt check device according to claim 3, it is characterized in that: guide pipe (1) is close to first end
Place is equipped with an outlet (13) taken out for sphere (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165333.4A CN109085243B (en) | 2018-10-08 | 2018-10-08 | Method and device for inspecting metal part damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165333.4A CN109085243B (en) | 2018-10-08 | 2018-10-08 | Method and device for inspecting metal part damage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085243A true CN109085243A (en) | 2018-12-25 |
| CN109085243B CN109085243B (en) | 2024-03-12 |
Family
ID=64843132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811165333.4A Active CN109085243B (en) | 2018-10-08 | 2018-10-08 | Method and device for inspecting metal part damage |
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| Country | Link |
|---|---|
| CN (1) | CN109085243B (en) |
Cited By (3)
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| CN111208200A (en) * | 2020-02-28 | 2020-05-29 | 北京理工大学 | Ti-Al alloy liner structure consistency detection device and detection method |
| CN112945372A (en) * | 2021-01-26 | 2021-06-11 | 深圳中慧轨道智能科技有限公司 | Sliding plate fracture monitoring devices |
| US20230194476A1 (en) * | 2021-12-20 | 2023-06-22 | Pliteq Inc. | Acoustic measurement apparatus, kit, and method of use thereof |
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| CN112945372A (en) * | 2021-01-26 | 2021-06-11 | 深圳中慧轨道智能科技有限公司 | Sliding plate fracture monitoring devices |
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| US11906467B2 (en) * | 2021-12-20 | 2024-02-20 | Pliteq Inc. | Acoustic measurement apparatus, kit, and method of use thereof |
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| Publication number | Publication date |
|---|---|
| CN109085243B (en) | 2024-03-12 |
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