CN104613859A - Electromagnetic sensing principle based inspection component of concrete reinforcement detector - Google Patents
Electromagnetic sensing principle based inspection component of concrete reinforcement detector Download PDFInfo
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- CN104613859A CN104613859A CN201510058584.2A CN201510058584A CN104613859A CN 104613859 A CN104613859 A CN 104613859A CN 201510058584 A CN201510058584 A CN 201510058584A CN 104613859 A CN104613859 A CN 104613859A
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- concrete reinforcement
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- electromagnetic induction
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Abstract
The invention provides an electromagnetic sensing principle based inspection component of a concrete reinforcement detector. The inspection component is manufactured from organic glass. The inspection component is manufactured by the steps of manufacturing an organic glass component, and manufacturing a standard reinforcement bar. The organic glass component is manufactured by the steps of a) blanking, namely, cutting into blocks as requirement through a portable electric saw; b) roughly planing, namely, roughly planing the organic glass blocks through a numerical control milling machine, wherein the rough planing precision is +/-0.0.2mm; c) drilling a hole, namely, drilling reinforcement preset aperture in the roughly planed organic glass plate through a drilling machine according to the design aperture position, wherein the drilling precision is +0.02mm; d) polishing the aperture, namely, polishing the aperture through a zinc bar and a polishing machine, wherein a nylon fabric coils the zinc bar, and polishing wax is coated on the nylon fabric, and about 0.02mm diameter is increased after polishing; e) polishing the surface, namely, polishing the organic glass surface through a diamond polishing machine. The standard reinforcement bar is manufactured by the steps of milling an HRB400 reinforcement through a machine tool, wherein the processing precision is -0.02mm, the length is 20mm less than that of the organic glass, and 10mm is reserved in two ends of the standard reinforcement bar; sealing through curing glue.
Description
Technical field
The invention belongs to traffic metering field, be specifically related to a kind of concrete reinforcement detection instrument based on electromagnetic induction principle inspection component.
Background technology
Concrete reinforcement detection instrument major part is according to electromagnetic induction principle, probe transmission of electromagnetic signals, and in protective seam, reinforcing bar produces secondary induced field, is received, draw protective layer thickness or bar diameter measured value through instrument process by probe.To its test be a kind of concrete reinforcement detection instrument based on electromagnetic induction principle inspection component.
At present, only by comparison or the value demarcating concrete reinforcement location analyzer with inspection component, can not the uncertainty of effectively control survey result, fail to realize magnitude tracing and the transmission of concrete reinforcement detection instrument.The quality of concrete reinforcement detection instrument test result cannot ensure, therefore needs a kind of concrete reinforcement detection instrument based on electromagnetic induction principle to check component.
Summary of the invention
For solving the problem, the invention provides a kind of concrete reinforcement detection instrument based on electromagnetic induction principle inspection component.It is simple that this inspection component has the high and method of calibration of machining precision, and value has traceability, the feature of transparent, insulation, good stability.
The machining process of this inspection component is: select materials---blanking---and force plane---boring---hole polishing---mirror polish---rebar standards rod two ends sealing that the processing of rebar standards rod---screws in rebar standards rod---, concrete technology is as follows:
A) check the material of component to adopt organic glass (1), fusing point is about 75 DEG C, and density is 1200kg/m
3, length is 250mm;
B) blanking adopts electric saw cutting, and outside required size boundary line, 5mm goes out cutting, and electric saw cutting method is simple, is convenient to form required size block;
C) force plane adopts milling machine processing, dimensioned error ± 0.02mm;
D) boring adopts drilling machine processing, Kong Changwei 250mm, aperture mismachining tolerance+0.02mm;
E) hole polishing adopts zinc bar and buffing machine to carry out polishing, and zinc bar is wound around woollen cloth, buffing wax spread by woollen cloth, and after polishing, diameter about increases 0.02mm;
F) mirror polish adopts diamond buffing machine to carry out polishing, polishing thickness 0.01mm ~ 0.02mm;
G) rebar standards rod (2) material selection HRB400 carbon steel, adopts level bed processing, length 230mm, diameter mismachining tolerance-0.02mm;
H) check member reinforcing steel bar master bar (2) two ends to adopt solidification glue (3) sealing, solidification glue is white, and density is 0.9g/cm
3.
After organic glass (1) and rebar standards rod (2) preformed hole are processed, in a rotative pattern rebar standards rod is put into rebar standards rod preformed hole, respectively stay 10mm at two ends, hole, then seal with solidification glue (3) in reserved 10mm hole.The density of organic glass (1) is 1200kg/m
3, fusing point is about 75 DEG C, organic glass (1) dimensioned precision ± 0.02mm, the long 250mm in direction, aperture.Rebar standards rod preformed hole machining precision is+0.02mm, the long 250mm in hole.Rebar standards rod (2) adopts the milling of HRB400 carbon steel lathe to form, and length is 230mm, and diameter machining precision is-0.02mm.Solidification glue (3) is white, and density is about 0.9g/cm
3.
This kind may be used for checking the concrete reinforcement detection instrument based on electromagnetic induction principle based on the concrete reinforcement detection instrument inspection component of electromagnetic induction principle, comprises rebar standards rod protective layer thickness, master bar diameter and master bar spacing.With a kind of based on the transparent material of image recognition principle in metal bar position-measurement device to this kind based on electromagnetic induction principle concrete reinforcement detection instrument inspection component rebar standards rod protective layer thickness, master bar diameter and master bar spacing test time the error of indication within+0.3mm; when testing to concrete reinforcement detection instrument based on the concrete reinforcement detection instrument inspection component of electromagnetic induction principle with this kind, the error of indication is within ± 1mm.
Accompanying drawing explanation
Fig. 1 is a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component of the present invention.
Wherein: 1. organic glass 2. rebar standards rod 3. solidification glue
Fig. 2 is a kind of based on metal bar position-measurement device in the transparent material of image recognition principle.
Wherein: 1. shock insulation optical table support 2. optical flat 3. grating scale 4. grating ruler reading head 5. grating scale fixture 6. fixed inspection component standard part 7. web joint 8. stereomicroscope 9. industrial camera 10. source of parallel light 11. slide rail 12. industrial camera data line 13. grating scale read table data line 14. grating scale read table 15. computer and image processing software
Embodiment
A kind of based on metal bar position-measurement device in the transparent material of image recognition principle with what the present invention relates to, namely adopt the proving installation of " stereomicroscope amplify---industrial camera imaging---image processing software identification---grating scale image data ".The ingredient of this device is shock insulation optical table support (1), optical flat (2), grating scale (3), grating ruler reading head (4), grating scale fixture (5), fixed inspection component standard part (6), web joint (7), stereomicroscope (8), industrial camera (9), source of parallel light (10), slide rail (11), industrial camera data line (12), grating scale read table data line (13), grating scale read table (14) and computer and image processing software (15).When concrete reinforcement detection instrument based on electromagnetic induction principle is checked, concrete reinforcement detection instrument inspection component based on electromagnetic induction principle is placed on 30min under normal temperature condition, then rebar standards rod protective layer thickness is gathered with the concrete reinforcement detection instrument based on electromagnetic induction principle in the concrete reinforcement detection instrument inspection component surface based on electromagnetic induction principle, the data of bar diameter and bar spacing, according to assay evaluation concrete reinforcement detection instrument to rebar standards rod protective layer thickness, the test result uncertainty of rebar standards rod diameter and rebar standards interrod spacing.
Claims (16)
1. based on a concrete reinforcement detection instrument inspection component for electromagnetic induction principle, it is characterized in that: this inspection component is for checking concrete reinforcement detection instrument based on electromagnetic induction principle to the accuracy of master bar protective layer thickness, master bar diameter and master bar distance measurement result.
2. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 1, it is characterized in that: after organic glass (1) and rebar standards rod (2) preformed hole are processed, in a rotative pattern rebar standards rod is put into rebar standards rod preformed hole, then seal with solidification glue (3) in the 10mm hole that two ends, hole are reserved.
3. a kind of concrete reinforcement detection instrument based on electromagnetic induction principle inspection component according to claim 1 and 2, is characterized in that: based on electromagnetic induction principle concrete reinforcement detection instrument inspection component as by the magnitude tracing of concrete reinforcement detection instrument to the measurement mechanism of concrete reinforcement detection instrument.
4. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 1 and 2, is characterized in that: the density of organic glass (1) is 1200kg/m
3, fusing point is about 75 DEG C, organic glass (1) dimensioned precision ± 0.02mm, the long 250mm in direction, aperture.
5. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 1 and 2, is characterized in that: rebar standards rod preformed hole machining precision is+0.02mm, the long 250mm in hole.
6. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 1 and 2, it is characterized in that: rebar standards rod (2) adopts the milling of HRB400 carbon steel lathe to form, length is 230mm, and diameter machining precision is-0.02mm.
7. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 1 and 2, is characterized in that: solidification glue (3) is white, and density is about 0.9g/cm
3.
8.---blanking---force plane---boring---hole polishing---mirror polish---rebar standards rod two ends sealing that the processing of rebar standards rod---screws in rebar standards rod---that a kind of inspection of the concrete reinforcement detection instrument based on the electromagnetic induction principle component according to any one of claim 1-7, is characterized in that: manufacturing process is: select materials.
9. the method for making of a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 8, is characterized in that: select organic glass when selecting materials, density is 1200kg/m
3, fusing point about 75 DEG C.
10. the method for making of a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle component according to claim 8, it is characterized in that: adopt electric saw cutting organic glass (1) when blanking, 5mm place cutting outside required size boundary line.
The method for making of the 11. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle components according to claim 8, it is characterized in that: adopt milling machine to carry out surperficial roughing to plexiglass block (1), dimensioned error ± 0.02mm when force plane.
The method for making of the 12. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle components according to claim 8, is characterized in that: adopt drilling machine processing when holing, aperture mismachining tolerance+0.02mm.
The method for making of the 13. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle components according to claim 8, it is characterized in that: adopt zinc bar and buffing machine to carry out polishing when hole polishing, zinc bar is wound around woollen cloth, buffing wax spread by woollen cloth, and after polishing, diameter about increases 0.02mm.
The method for making of the 14. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle components according to claim 8, is characterized in that: adopt diamond buffing machine to carry out polishing, polishing thickness 0.01mm ~ 0.02mm when mirror polish.
The method for making of the 15. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle components according to claim 8, is characterized in that: rebar standards rod (2) lathe process, mismachining tolerance-0.02mm.
The method for making of the 16. a kind of inspection of the concrete reinforcement detection instrument based on electromagnetic induction principle components according to claim 8, is characterized in that: rebar standards rod (2) two ends adopt solidification glue (3) sealing.
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| CN201510058584.2A CN104613859A (en) | 2015-02-05 | 2015-02-05 | Electromagnetic sensing principle based inspection component of concrete reinforcement detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871773A (en) * | 2017-02-14 | 2017-06-20 | 肇庆市嘉仪仪器有限公司 | A kind of online noncontact thickness-measuring equipment and its measuring method |
| CN107478682A (en) * | 2017-08-22 | 2017-12-15 | 福建省永正工程质量检测有限公司 | A kind of municipal works material testing apparatus |
| CN110261915A (en) * | 2019-06-14 | 2019-09-20 | 北京海创高科科技有限公司 | A kind of armored concrete bar construction scan method and scanner based on electromagnetic induction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871773A (en) * | 2017-02-14 | 2017-06-20 | 肇庆市嘉仪仪器有限公司 | A kind of online noncontact thickness-measuring equipment and its measuring method |
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| CN107478682A (en) * | 2017-08-22 | 2017-12-15 | 福建省永正工程质量检测有限公司 | A kind of municipal works material testing apparatus |
| CN110261915A (en) * | 2019-06-14 | 2019-09-20 | 北京海创高科科技有限公司 | A kind of armored concrete bar construction scan method and scanner based on electromagnetic induction |
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Inventor after: Liu Jing Inventor after: Ren Zhengyue Inventor after: Liu Lu Inventor after: Geng Lei Inventor after: Wang Qifeng Inventor after: Chen Haibo Inventor after: Huang He Inventor after: Jing Genqiang Inventor after: Wang Yixu Inventor before: Liu Jing Inventor before: Ren Zhengyue Inventor before: Liu Lu Inventor before: Geng Lei Inventor before: Huang He Inventor before: Jing Genqiang Inventor before: Wang Yixu |
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Application publication date: 20150513 |