CN104976933A - Integrated magnetic particle indication measuring tool and measuring method - Google Patents
Integrated magnetic particle indication measuring tool and measuring method Download PDFInfo
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- CN104976933A CN104976933A CN201510309516.9A CN201510309516A CN104976933A CN 104976933 A CN104976933 A CN 104976933A CN 201510309516 A CN201510309516 A CN 201510309516A CN 104976933 A CN104976933 A CN 104976933A
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Abstract
The invention relates to an integrated magnetic particle indication measuring tool and measuring method. The integrated magnetic particle indication measuring tool is characterized by comprising a standard ruler, an auxiliary ruler and a measuring ruler. The standard ruler comprises a straight ruler. One end of the straight ruler is internally provided with an angle measuring plate. The bottom part of the other end of the straight ruler is provided with a fist circular hole. The angle measuring plate is provided with an arc-shaped scale bar. The center of the arc-shaped scale bar is arranged on the axis of the straight ruler. The position of the arc core of the arc-shaped scale bar on the angle measuring plate is provided with a first through hole. The auxiliary ruler has a straight ruler structure. The bottom part of one end of the auxiliary ruler is provided with a second circular hole. The auxiliary ruler is rotatably connected with the standard ruler via a flexible rivet penetrating through the first circular hole and the second circular hole. The measuring ruler has a straight ruler structure. One end of the measuring ruler is provided with a second through hole. The measuring ruler is rotatably connected with the standard ruler via another flexible rivet penetrating through the first through hole and the second through hole The angle measuring plate is arranged on the standard ruler, and one measuring ruler is rotatably connected on the angle measuring plate so that measurement of defect magnetic particle indication direction and length can be performed simultaneously, and determination error and divergence can be reduced.
Description
Technical field
The present invention relates to a kind of measurer, particularly measure measurer and measuring method about a kind of integral type magnetic trace.
Background technology
In order to ensure the transportation safety of railway freight-car, needing regularly to detect the critical component of railway freight-car, such as, magnetic powder inspection detection being carried out to parts such as hitch, bolster, side frame, brake beam, crossbar and axletrees.Adopt magnetic powder inspection mainly in order to detect some visual sightless defects.Need when detecting defect to measure the length of defect magnetic trace and two, direction parameter, and the harmfulness that the direction of defect magnetic trace is used safely workpiece is larger, therefore when carrying out magnetic powder inspection and detecting, first the direction of defect magnetic trace should be judged, and then according to its size, judge reprocess workpiece or scrap process.
Angle detecting general provision for defect magnetic trace is: being transverse defect when being more than or equal to 45 ° with workpiece longitudinal centre line angle, is longitudinal defect when being less than 45 °.Therefore when judging, first will judge the direction of defect magnetic trace, namely measuring the angle of defect magnetic trace and work centre line, secondly under different directions condition, judge the length of the permission of defect magnetic trace, the different length allowed separately in direction is also different.Being permitted on multipart key flaw detection position, to much stricter than the cut to lengthen of longitudinal defect of the length requirement of transverse defect, be therefore judged to be transverse defect, just should carry out scrapping process, what be judged to be longitudinal defect then can carry out Repair.Correct division longitudinal defect and transverse defect, not only great to the relationship between quality of parts, also most important for the cost of overhaul.
But flaw detection personnel are when carrying out quantitative measurement to defect, due to do not have can direct convenience measure instrument, the mode that ruler and bevel protractor therefore can only be adopted to coordinate measures, or adopt range estimation mode to judge direction, but these two kinds of decision procedures all can produce certain error, can not accurately judge.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of integral type magnetic trace simultaneously can measuring defect magnetic trace length and direction and measure measurer and measuring method.
For achieving the above object, the present invention takes following technical scheme: a kind of integral type magnetic trace measures measurer, it is characterized in that: it comprises a station meter, an auxiliary scale and a dip stick; Described station meter comprises a ruler, is wholely set an angulation dish in one end of described ruler, is provided with one first circular hole bottom the other end of described ruler; Described angulation dish is provided with a circular arc scale strip, on the axis being centrally located at described ruler of described circular arc scale strip; The arc core position of described circular arc scale strip is provided with one first through hole;
Described auxiliary scale is a ruler structure, is provided with one second circular hole bottom one end of described auxiliary scale, and described auxiliary scale is by being rotationally connected through the activity clencher of described first circular hole and the second circular hole and described station meter;
Described dip stick is a ruler structure, and described dip stick one end is provided with one second through hole, and described dip stick is by being rotationally connected through another activity clencher of described first through hole and the second through hole and station meter.
Arrange respectively in the both sides of described second through hole of described dip stick one with the scale mark of described dip stick dead in line.
At least the side of described dip stick is provided with scale strip; Described ruler and auxiliary scale the same side at least is in the deployed state provided with scale strip.
One groove is set at the junction root of described angulation dish and described ruler, bottom the other end of described auxiliary scale, is provided with the projection of one and described fit depressions.
Scale mark on described circular arc scale strip adopts concave; The scope that takes measurement of an angle of described circular arc scale strip is between 35 ° ~ 55 °.
Described station meter and auxiliary scale adopt rigid plastic, one of transparent plastic and opaque plastics material are made; Described dip stick adopts transparent plastic to make.
A measuring method for described device, it comprises the following steps:
1) first station meter is alignd with the center line of workpiece with the side of scale strip;
2) then rotation measuring chi, make its side with scale strip be adjusted to consistent with the direction of defect magnetic trace after, dip stick reads the exact value of the length of defect magnetic trace;
3) simultaneously, circular arc scale strip is read the angle value of defect magnetic trace and centerlines by scale mark;
4) according to the direction determining of defect magnetic trace, it is transverse defect or longitudinal defect, and then determines to carry out Repair to workpiece or scrap process according to the length of defect magnetic trace.
When measuring large workpiece, folding auxiliary scale is launched the accuracy to improve defect magnetic trace location.
When the angle of magnetic trace defect and centerlines be no more than 35 ° or more than 55 ° time, only measure the length of defect magnetic trace.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention owing to being provided with angulation dish on station meter, and on angulation dish, be rotationally connected a dip stick, therefore can carry out defect magnetic trace direction and measurement of length simultaneously, reduce error and the difference of judgement, improve the accuracy of detection efficiency and judgement.2, the present invention is owing to being arranged on station meter by dip stick, and therefore dip stick directly can not contact with surface of the work, avoids the destruction to defect magnetic trace when measuring.3, station meter of the present invention and dip stick are owing to rotating around same center, therefore can relatively adjust in measuring process, conveniently measure the defect magnetic trace of workpiece different parts.4, the present invention is rotationally connected a collapsible auxiliary scale on bottom station meter one end, therefore when measuring larger workpiece, measuring basis can be lengthened, and ensures the accuracy measured.5, apparatus of the present invention in a folded configuration overall length be 150mm, be applicable to the measurement of general workpiece and easy to carry; Apparatus of the present invention in the deployed state overall length are 280mm, can meet the measurement of larger workpiece, and therefore apparatus of the present invention are applicable to the measurement requirement of different size workpiece.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the one-piece construction schematic diagram of station meter of the present invention;
Fig. 3 is the one-piece construction schematic diagram of auxiliary scale of the present invention;
Fig. 4 is the one-piece construction schematic diagram of dip stick of the present invention;
Fig. 5 is the deployed condition schematic diagram of dip stick of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention includes station meter 1, auxiliary scale 2 and a dip stick 3.
As shown in Figure 2, station meter 1 comprises a ruler 11, is wholely set an angulation dish 12 in one end of ruler 11, is provided with a circular hole 14 bottom the other end of ruler 11.Angulation dish 12 is provided with one for the circular arc scale strip 121 of measured angular angle value, on the axis being centrally located at ruler 11 of circular arc scale strip 121 and opening towards ruler 11 one end.In the arc core position of circular arc scale strip 121, a through hole 13 is set.
As shown in Figure 3, auxiliary scale 2 is a ruler structure, is provided with a circular hole 21 bottom one end of auxiliary scale 2, and auxiliary scale 2 by being rotationally connected with station meter 1 through the activity clencher 4 of circular hole 21 and circular hole 14, and then forms a folding auxiliary scale 2.
As shown in Figure 4, dip stick 3 is a ruler structure, is provided with a through hole 31 in its one end, and dip stick 3 is by being rotationally connected with station meter 1 through the activity clencher 5 of through hole 31 and through hole 13.
In above-described embodiment, arrange respectively in through hole 31 both sides of dip stick 3 one with the scale mark 32 of dip stick 3 dead in line, for when dip stick 3 rotates, the angle value of defect magnetic trace can be read on angulation dish 12, the direction of defect magnetic trace for confirmation.
In above-described embodiment, at least the side of dip stick 3 is provided with scale strip; Ruler 11 and auxiliary scale 2 the same side at least are in the deployed state provided with scale strip.
In above-described embodiment, dip stick 3 with activity clencher 5 for the center of circle, can do 360 ° around station meter 1 and rotates relatively freely.Auxiliary scale 2 with activity clencher 4 for the center of circle, can do 180 ° around station meter 1 and rotates relatively freely.
In above-described embodiment, angulation dish 12 and the junction root of ruler 11 are provided with a groove 15, bottom the other end of auxiliary scale 2, are provided with a projection 22 matched with groove 15, protruding 22 for when auxiliary scale 2 carries out folding and station meter 1 fixing.
In above-described embodiment, the scale mark on circular arc scale strip 121 adopts concave, and during to avoid using, friction causes scale mark unintelligible; The scope that takes measurement of an angle of circular arc scale strip 121 between 35 ° ~ 55 °, if in order to carry out engineer testing or workpiece have different technical requirements time, also can change angle value scope as required.
In above-described embodiment, station meter 1 and auxiliary scale 2 can adopt rigid plastic, one of transparent plastic and opaque plastics material are made; Dip stick 3 need adopt transparent plastic to make.
Measure measurer according to the integral type magnetic trace provided in above-described embodiment, present invention also offers the measuring method that a kind of integral type magnetic trace measures measurer, it comprises the following steps:
1) first station meter 1 is alignd with the center line of workpiece with the side of scale strip;
2) then rotation measuring chi 3, make its side with scale strip be adjusted to consistent with the direction of defect magnetic trace after, dip stick 3 reads the exact value of the length of defect magnetic trace;
3) simultaneously, circular arc scale strip 121 is read the angle value of defect magnetic trace and centerlines by scale mark 32;
4) according to the direction determining of defect magnetic trace, it is transverse defect or longitudinal defect, and then determines to carry out Repair to workpiece or scrap process according to the length of defect magnetic trace.
In above-described embodiment, when measuring larger workpiece, folding auxiliary scale 2 can be launched, to improve the accuracy (as shown in Figure 5) of defect magnetic trace location.
In above-described embodiment, when the angle of magnetic trace defect and centerlines be no more than 35 ° or more than 55 ° time, its angle need not be measured, can directly judge defect magnetic trace direction is visual, now only need measure the length of defect magnetic trace.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (9)
1. integral type magnetic trace measures a measurer, it is characterized in that: it comprises a station meter, an auxiliary scale and a dip stick; Described station meter comprises a ruler, is wholely set an angulation dish in one end of described ruler, is provided with one first circular hole bottom the other end of described ruler; Described angulation dish is provided with a circular arc scale strip, on the axis being centrally located at described ruler of described circular arc scale strip; The arc core position of described circular arc scale strip is provided with one first through hole;
Described auxiliary scale is a ruler structure, is provided with one second circular hole bottom one end of described auxiliary scale, and described auxiliary scale is by being rotationally connected through the activity clencher of described first circular hole and the second circular hole and described station meter;
Described dip stick is a ruler structure, and described dip stick one end is provided with one second through hole, and described dip stick is by being rotationally connected through another activity clencher of described first through hole and the second through hole and station meter.
2. a kind of integral type magnetic trace as claimed in claim 1 measures measurer, it is characterized in that: arrange respectively in the both sides of described second through hole of described dip stick one with the scale mark of described dip stick dead in line.
3. a kind of integral type magnetic trace as claimed in claim 1 or 2 measures measurer, it is characterized in that: at least the side of described dip stick is provided with scale strip; Described ruler and auxiliary scale the same side at least is in the deployed state provided with scale strip.
4. a kind of integral type magnetic trace as claimed in claim 1 or 2 measures measurer, it is characterized in that: arrange a groove at the junction root of described angulation dish and described ruler, is provided with the projection of one and described fit depressions bottom the other end of described auxiliary scale.
5. a kind of integral type magnetic trace as claimed in claim 1 or 2 measures measurer, it is characterized in that: the scale mark on described circular arc scale strip adopts concave; The scope that takes measurement of an angle of described circular arc scale strip is between 35 ° ~ 55 °.
6. a kind of integral type magnetic trace as claimed in claim 1 or 2 measures measurer, it is characterized in that: described station meter and auxiliary scale adopt rigid plastic, one of transparent plastic and opaque plastics material are made; Described dip stick adopts transparent plastic to make.
7., based on a measuring method for device described in any one of the claims 1 ~ 6, it comprises the following steps:
1) first station meter is alignd with the center line of workpiece with the side of scale strip;
2) then rotation measuring chi, make its side with scale strip be adjusted to consistent with the direction of defect magnetic trace after, dip stick reads the exact value of the length of defect magnetic trace;
3) simultaneously, circular arc scale strip is read the angle value of defect magnetic trace and centerlines by scale mark;
4) according to the direction determining of defect magnetic trace, it is transverse defect or longitudinal defect, and then determines to carry out Repair to workpiece or scrap process according to the length of defect magnetic trace.
8. a kind of integral type magnetic trace as claimed in claim 7 measures the measuring method of measurer, it is characterized in that: when measuring large workpiece, folding auxiliary scale is launched the accuracy to improve defect magnetic trace location.
9. a kind of integral type magnetic trace as claimed in claim 7 measures the measuring method of measurer, it is characterized in that: when angle and the centerlines of magnetic trace defect be no more than 35 ° or more than 55 ° time, the only length of measurement defect magnetic trace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309516.9A CN104976933A (en) | 2015-06-08 | 2015-06-08 | Integrated magnetic particle indication measuring tool and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309516.9A CN104976933A (en) | 2015-06-08 | 2015-06-08 | Integrated magnetic particle indication measuring tool and measuring method |
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| Publication Number | Publication Date |
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| CN104976933A true CN104976933A (en) | 2015-10-14 |
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| CN201510309516.9A Pending CN104976933A (en) | 2015-06-08 | 2015-06-08 | Integrated magnetic particle indication measuring tool and measuring method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595437A (en) * | 2016-10-27 | 2017-04-26 | 泰州三福船舶工程有限公司 | Measuring tool and method for light emission angle of sidelight |
| CN108346595A (en) * | 2017-01-25 | 2018-07-31 | 上海新昇半导体科技有限公司 | Macroscopical cut length-measuring appliance |
| CN109631709A (en) * | 2018-12-10 | 2019-04-16 | 淄博职业学院 | A kind of portable planar design measuring device |
| CN113654446A (en) * | 2021-09-27 | 2021-11-16 | 中车大同电力机车有限公司 | Coupler free rotation angle measuring device and coupler free rotation angle measuring method |
| RU209280U1 (en) * | 2021-09-16 | 2022-03-11 | Дмитрий Васильевич Ленков | Construction goniometer |
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| DE4309345A1 (en) * | 1993-03-23 | 1994-09-29 | Adolfo Lee | Protractor (angulometer) for a carpenter |
| CN2410619Y (en) * | 2000-01-31 | 2000-12-13 | 周文彬 | Multifunctional angle gauge |
| CN201516766U (en) * | 2009-09-25 | 2010-06-30 | 赵肃强 | Portable multifunctional meter ruler |
| CN201951085U (en) * | 2011-02-28 | 2011-08-31 | 梁龙双 | Convenient ruler |
| CN204649126U (en) * | 2015-06-08 | 2015-09-16 | 南车二七车辆有限公司 | Integral type magnetic trace measures measurer |
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2015
- 2015-06-08 CN CN201510309516.9A patent/CN104976933A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4309345A1 (en) * | 1993-03-23 | 1994-09-29 | Adolfo Lee | Protractor (angulometer) for a carpenter |
| CN2410619Y (en) * | 2000-01-31 | 2000-12-13 | 周文彬 | Multifunctional angle gauge |
| CN201516766U (en) * | 2009-09-25 | 2010-06-30 | 赵肃强 | Portable multifunctional meter ruler |
| CN201951085U (en) * | 2011-02-28 | 2011-08-31 | 梁龙双 | Convenient ruler |
| CN204649126U (en) * | 2015-06-08 | 2015-09-16 | 南车二七车辆有限公司 | Integral type magnetic trace measures measurer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595437A (en) * | 2016-10-27 | 2017-04-26 | 泰州三福船舶工程有限公司 | Measuring tool and method for light emission angle of sidelight |
| CN108346595A (en) * | 2017-01-25 | 2018-07-31 | 上海新昇半导体科技有限公司 | Macroscopical cut length-measuring appliance |
| CN109631709A (en) * | 2018-12-10 | 2019-04-16 | 淄博职业学院 | A kind of portable planar design measuring device |
| RU209280U1 (en) * | 2021-09-16 | 2022-03-11 | Дмитрий Васильевич Ленков | Construction goniometer |
| CN113654446A (en) * | 2021-09-27 | 2021-11-16 | 中车大同电力机车有限公司 | Coupler free rotation angle measuring device and coupler free rotation angle measuring method |
| CN113654446B (en) * | 2021-09-27 | 2023-08-08 | 中车大同电力机车有限公司 | Coupler free rotation angle measuring device and coupler free rotation angle measuring method |
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Application publication date: 20151014 |