CN104296711A - Calibration device for cover protectometer - Google Patents
Calibration device for cover protectometer Download PDFInfo
- Publication number
- CN104296711A CN104296711A CN201410562948.6A CN201410562948A CN104296711A CN 104296711 A CN104296711 A CN 104296711A CN 201410562948 A CN201410562948 A CN 201410562948A CN 104296711 A CN104296711 A CN 104296711A
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- China
- Prior art keywords
- standard round
- round bar
- calibrating installation
- calibration
- installation according
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Abstract
The invention discloses a calibration device for a cover protectometer. The calibration device comprises a protective layer standard block and standard round rods, the protective layer standard block is made of non-magnetic materials and is of a square structure, through holes are formed in the upper end face, a calibration working plane is arranged on the lateral face, the standard round rods are arranged in the through holes, and the protective layer standard block is in detachable connection with the standard round rods. The series of standard round rods and the protective layer standard block provided with the series of standard round rods are adopted in the calibration device for the cover protectometer, the calibration of the instruments like reinforcement cover thickness measurement instruments can be achieved, the calibration process is simple and convenient, and the calibration result is accurate and effective. The calibration device is simple in structure, the standard round rods and the protective layer standard block are designed in a separated mode, independent oil seal protection can be conducted on reinforcing steel bars, corrosion of the reinforcing steel bars is avoided, and the calibration device is more stable.
Description
Technical field
The present invention relates to a kind of testing calibration of cover protectometer, belong to the performance calibration field of cover protectometer quasi-instrument.
Background technology
At present, measurement bar diameter and protective layer thickness quasi-instrument Main Basis JJF1229-2005 " cover to reinforcement, slab thickness measuring instrument calibrating standard " are calibrated.At present, the calibration steps that this calibrating standard uses utilizes by the diameter of reinforcing bar in the apparatus measures calibrated bolck of school and protective layer thickness.Calibrated bolck is made up of nonmagnetic substance and reinforcing bar, and building form has two kinds, and one is detachable cover to reinforcement test block, and another kind is the reference block of monoblock type protective seam.Monoblock type reference block mainly uses concrete and rebar to build.For detachable cover to reinforcement test block, when calibrating protective layer thickness, different calibration points should select different cushion block height, and the process of repeatedly changing cushion block seems comparatively complicated.For all-in-one-piece cover to reinforcement calibrated bolck, because calibration point is more, the test block of needs is also more, makes and uses all inconvenient.In addition, all-in-one-piece reference block reinforcing bar can not well be protected, and reinforcing bar is very easily corroded and is oxidized, and causes calibration result inaccurate.
Summary of the invention
The technical problem to be solved in the present invention is: the invention provides a kind of calibrating installation; this calibrating installation can not only effectively accurately to the calibration of thickness of protection tier measuring instrument quasi-instrument; and calibration process is more simple; the selection more horn of plenty of calibration point; overcome the deficiency of existing calibration standard block, ensure that calibration result can reflect the performance of instrument completely.
The technical scheme that the present invention takes is: described protective seam calibrated bolck adopts nonmagnetic substance, and be square structure, upper surface arranges on seriation through hole and side and arranges calibration operation plane, and described standard round bar is a series of, can be placed in corresponding through hole.
Described protective seam calibrated bolck and standard round bar adopt detachable connection.
Described through hole is a series of Φ 6mm ~ Φ 50mm, corresponding with reinforcing bar nominal diameter, there are Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm, Φ 20mm, Φ 22mm, Φ 25mm, Φ 28mm, Φ 32mm, Φ 36mm, Φ 40mm, Φ 50mm.
Described through hole is apart from calibration operation plan range H, i.e. protective layer thickness, is 5mm ~ 190 mm, should meets following requirements:
d ≤12mm H
0＜H≤40mm，d≤H
0；
12mm＜d≤20mm 40mm＜H≤60mm；
d＞20mm 60mm＜H≤190；
Wherein: d is standard round bar diameter.
Standard round bar is a series of Φ 6mm ~ Φ 50mm, and diameter is: Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm, Φ 20mm, Φ 22mm, Φ 25mm, Φ 28mm, Φ 32mm, Φ 36mm, Φ 40mm, Φ 50mm.
Described standard round bar and protective seam calibrated bolck through hole adopt clearance fit.
Described protective seam calibrated bolck material adopts organic glass or engineering plastics.
Described standard round bar material is the same with bar material.
Described standard round bar length is 100 ~ 300mm.
Described protective seam calibrated bolck four side is working face.
Beneficial effect of the present invention: compared with prior art, the present invention adopts the protective seam calibrated bolck and the seriation standard round bar that arrange seriation through hole, can realize the calibration of thickness of protection tier measuring instrument quasi-instrument, calibration process is simple and convenient, calibration result accurate and effective; Calibrating installation structure is simple; Standard round bar and protective seam calibrated bolck are designed to detachable, and can carry out independent oil sealing protection to reinforcing bar, prevent it from corroding, calibrating installation is more stable; Standard through-hole is a series of size, can meet the requirement of conventional protective layer thickness; Through hole arranges seriation position, can meet the calibration of the different protective layer thickness prover of identical reinforcing bar, also can meet the calibration of different reinforcing bar size protective layer thickness prover; Arrange the standard round bar of corresponding through hole, more comprehensive when can calibrate, can meet the calibration of multi-series equipment Inspection instrument, equipment cost reduces; Adopt clearance fit, can conveniently assemble and disassemble standard round bar, calibration operation is simple; Adopt nonmagnetic organic glass or engineering plastics, such material is common, is easy to buy, and cost is low, and is nonmagnetic substance not Interference Detection; Adopt bar material, be beneficial to and measure reinforcing bar thickness accurately; Design such length and be convenient to handling; Four side is working face simultaneously, can allow calibrating installation compact conformation, effectively utilizes and had living space, and saving cost is easy to carry.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is calibrated bolck front elevation of the present invention;
Fig. 3 is standard round bar apparatus for placing of the present invention.
In figure: 1, protective seam calibrated bolck; 2, standard round bar; 3, working face; 4, through hole.
Embodiment
As shown in Fig. 1 ~ Fig. 2, a kind of cover protectometer calibrating installation, comprise protective seam calibrated bolck 1 and standard round bar 3, described protective seam calibrated bolck 1 adopts nonmagnetic substance, for square structure, upper surface arranges on seriation through hole 2 and side and arranges calibration operation plane 4, described standard round bar 3 is a series of cylindrical rod, standard round bar 3 adopts same bar material consistent, be placed in corresponding through hole 2, adopt protective seam calibrated bolck and seriation standard round bar that seriation through hole is set, the calibration of thickness of protection tier measuring instrument quasi-instrument can be realized, calibration process is simple and convenient, calibration result accurate and effective, calibrating installation structure is simple.
Described protective seam calibrated bolck 1 and standard round bar 3 adopt detachable connection, and can carry out independent oil sealing protection to reinforcing bar, prevent it from corroding, calibrating installation is more stable.
Described through hole 2 is a series of Φ 6mm ~ Φ 50mm; corresponding with reinforcing bar nominal diameter; there are Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm, Φ 20mm, Φ 22mm, Φ 25mm, Φ 28mm, Φ 32mm, Φ 36mm, Φ 40mm, Φ 50mm; standard through-hole is a series of size, can meet the requirement of conventional protective layer thickness.
Described through hole 2 is apart from calibration operation plane 4 apart from H, i.e. protective layer thickness, is 5mm ~ 190 mm, should meets following requirements:
d ≤12mm H
0＜H≤40mm，d≤H
0；
12mm＜d≤20mm 40mm＜H≤60mm；
d＞20mm 60mm＜H≤190；
Wherein: d is standard round bar diameter, and through hole arranges seriation position, the calibration of the different protective layer thickness prover of identical reinforcing bar can be met, also can meet the calibration of different reinforcing bar size protective layer thickness prover.
Standard round bar 3 is a series of Φ 6mm ~ Φ 50mm, diameter is: Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm, Φ 20mm, Φ 22mm, Φ 25mm, Φ 28mm, Φ 32mm, Φ 36mm, Φ 40mm, Φ 50mm, the standard round bar of corresponding through hole is set, more comprehensive when can calibrate, can meet the calibration of multi-series equipment Inspection instrument, equipment cost reduces.
Described standard round bar 3 and protective seam calibrated bolck through hole 2 adopt clearance fit, can conveniently assemble and disassemble standard round bar, and calibration operation is simple.
Described protective seam calibrated bolck 1 material adopts organic glass or engineering plastics, and such material is common, is easy to buy, and cost is low, and is nonmagnetic substance not Interference Detection.
Described standard round bar 3 material is the same with bar material, is beneficial to and measures reinforcing bar thickness accurately.
Described standard round bar 3 length is 100 ~ 300mm, is convenient to handling.
Described protective seam calibrated bolck 1 four side is working face 4, can allow calibrating installation compact conformation, effectively utilizes and had living space, and saving cost is easy to carry.
Use principle: in FIG, to reinforcing bar size and the protective layer thickness thereof of check be needed, and select the standard round bar 3 of corresponding bar diameter to put in corresponding through hole, instrument is placed in calibration operation plane 4, move, detect that protective layer thickness is calibrated; In figure 3, calibration standard pole 4 is placed on when not using on means for supporting reinforcement steel bar, needs to be placed in the corresponding size of Fig. 1 and the through hole 2 of protective layer thickness by the selection of calibration point when using.
Claims (10)
1. a cover protectometer calibrating installation; comprise protective seam calibrated bolck (1) and standard round bar (3); it is characterized in that: described protective seam calibrated bolck (1) adopts nonmagnetic substance; for square structure; upper surface arranges on seriation through hole (2) and side and arranges calibration operation plane (4); described standard round bar (3), for a series of, can be placed in corresponding through hole (2).
2. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described protective seam calibrated bolck (1) and standard round bar (3) adopt detachable connection.
3. a kind of cover protectometer calibrating installation according to claim 1; it is characterized in that: described through hole (2) is a series of Φ 6mm ~ Φ 50mm; corresponding with reinforcing bar nominal diameter, there are Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm, Φ 20mm, Φ 22mm, Φ 25mm, Φ 28mm, Φ 32mm, Φ 36mm, Φ 40mm, Φ 50mm.
4. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described through hole (2) is apart from calibration operation plane (4) distance H, i.e. protective layer thickness, is 5mm ~ 190 mm, should meets following requirements:
d ≤12mm H
0＜H≤40mm，d≤H
0；
12mm＜d≤20mm 40mm＜H≤60mm；
d＞20mm 60mm＜H≤190；
Wherein: d is standard round bar diameter.
5. a kind of cover protectometer calibrating installation according to claim 1; it is characterized in that: standard round bar (3) is a series of Φ 6mm ~ Φ 50mm, and diameter is: Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm, Φ 20mm, Φ 22mm, Φ 25mm, Φ 28mm, Φ 32mm, Φ 36mm, Φ 40mm, Φ 50mm.
6. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described standard round bar (3) and protective seam calibrated bolck through hole (2) adopt clearance fit.
7. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described protective seam calibrated bolck (1) material adopts organic glass or engineering plastics.
8. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described standard round bar (3) material is the same with bar material.
9. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described standard round bar (3) length is 100 ~ 300mm.
10. a kind of cover protectometer calibrating installation according to claim 1, is characterized in that: described protective seam calibrated bolck four side is working face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562948.6A CN104296711B (en) | 2014-10-21 | 2014-10-21 | Calibration device for cover protectometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562948.6A CN104296711B (en) | 2014-10-21 | 2014-10-21 | Calibration device for cover protectometer |
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| Publication Number | Publication Date |
|---|---|
| CN104296711A true CN104296711A (en) | 2015-01-21 |
| CN104296711B CN104296711B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410562948.6A Active CN104296711B (en) | 2014-10-21 | 2014-10-21 | Calibration device for cover protectometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613859A (en) * | 2015-02-05 | 2015-05-13 | 交通运输部公路科学研究所 | Electromagnetic sensing principle based inspection component of concrete reinforcement detector |
| CN105135983A (en) * | 2015-05-25 | 2015-12-09 | 梧州市产品质量检验所 | Reinforcing steel bar inner diameter measuring method |
| CN108317987A (en) * | 2018-03-02 | 2018-07-24 | 中国建筑科学研究院有限公司 | Sample for evaluating thickness detection quality of engineering structure entity steel bar protective layer |
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|---|---|---|---|---|
| CN2366823Y (en) * | 1998-06-23 | 2000-03-01 | 中国地震局工程力学研究所 | Electromagnetic induction type scanning instrument for steel bar |
| CN2861956Y (en) * | 2005-08-01 | 2007-01-24 | 交通部公路科学研究所 | Intelligent reinforcing bar protecting layer instrumentation system |
| CN202885772U (en) * | 2012-07-18 | 2013-04-17 | 贾卫兵 | Reinforced concrete protection layer thickness detector |
| US20140021942A1 (en) * | 2012-07-23 | 2014-01-23 | Samsung Electronics Co., Ltd. | Method and apparatus for creating magnetic field map based on floor plan information of building |
| CN103994743A (en) * | 2014-05-12 | 2014-08-20 | 南通市建筑科学研究院有限公司 | Calibration test piece for detection of steel-bar protecting layer |
| CN204115700U (en) * | 2014-10-21 | 2015-01-21 | 贵州航天计量测试技术研究所 | A kind of cover protectometer calibrating installation |
-
2014
- 2014-10-21 CN CN201410562948.6A patent/CN104296711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2366823Y (en) * | 1998-06-23 | 2000-03-01 | 中国地震局工程力学研究所 | Electromagnetic induction type scanning instrument for steel bar |
| CN2861956Y (en) * | 2005-08-01 | 2007-01-24 | 交通部公路科学研究所 | Intelligent reinforcing bar protecting layer instrumentation system |
| CN202885772U (en) * | 2012-07-18 | 2013-04-17 | 贾卫兵 | Reinforced concrete protection layer thickness detector |
| US20140021942A1 (en) * | 2012-07-23 | 2014-01-23 | Samsung Electronics Co., Ltd. | Method and apparatus for creating magnetic field map based on floor plan information of building |
| CN103994743A (en) * | 2014-05-12 | 2014-08-20 | 南通市建筑科学研究院有限公司 | Calibration test piece for detection of steel-bar protecting layer |
| CN204115700U (en) * | 2014-10-21 | 2015-01-21 | 贵州航天计量测试技术研究所 | A kind of cover protectometer calibrating installation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613859A (en) * | 2015-02-05 | 2015-05-13 | 交通运输部公路科学研究所 | Electromagnetic sensing principle based inspection component of concrete reinforcement detector |
| CN105135983A (en) * | 2015-05-25 | 2015-12-09 | 梧州市产品质量检验所 | Reinforcing steel bar inner diameter measuring method |
| CN108317987A (en) * | 2018-03-02 | 2018-07-24 | 中国建筑科学研究院有限公司 | Sample for evaluating thickness detection quality of engineering structure entity steel bar protective layer |
| CN108317987B (en) * | 2018-03-02 | 2024-02-27 | 中国建筑科学研究院有限公司 | Sample for evaluating thickness detection quality of reinforcement protection layer of engineering structure entity |
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| CN104296711B (en) | 2017-03-22 |
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