CN104296711B - Calibration device for cover protectometer - Google Patents
Calibration device for cover protectometer Download PDFInfo
- Publication number
- CN104296711B CN104296711B CN201410562948.6A CN201410562948A CN104296711B CN 104296711 B CN104296711 B CN 104296711B CN 201410562948 A CN201410562948 A CN 201410562948A CN 104296711 B CN104296711 B CN 104296711B
- Authority
- CN
- China
- Prior art keywords
- protective layer
- standard round
- round bar
- calibration
- calibrating installation
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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, belongs to cover protectometer quasi-instrument
Performance calibration field.
Background technology
At present, for measurement bar diameter and protective layer thickness quasi-instrument Main Basiss JJF1229-2005《Reinforcing bar is protected
Layer, slab thickness measuring instrument calibrating standard》Calibrated.At present, the calibration steps used by this calibrating standard is using by school
The diameter and protective layer thickness of reinforcing bar in apparatus measures calibrated bolck.Calibrated bolck is made up of nonmagnetic substance and reinforcing bar, composition side
Formula has two kinds, and a kind of is detachable cover to reinforcement test block, and another kind of is monoblock type protective layer reference block.Monoblock type standard
Test block is mainly poured using concrete and rebar and is completed.For detachable cover to reinforcement test block, in calibration protective layer thickness
When, different calibration points should select different cushion block height, the process for changing repeatedly cushion block to seem complex.For all-in-one-piece
Cover to reinforcement calibrated bolck, as calibration point is more, the test block of needs is also more, makes and using all inconvenient.In addition, overall
The reference block reinforcing bar of formula can not be protected well, and reinforcing bar is highly prone to corrode and aoxidizes, and cause calibration result inaccurate.
The content of the invention
The technical problem to be solved in the present invention is：The invention provides a kind of calibrating installation, the calibrating installation can not only have
Effect calibration accurately to thickness of protection tier measuring instrument quasi-instrument, and calibration process is more simple, the selection of calibration point
More horn of plenty, overcomes the shortcomings of existing calibration standard block, it is ensured that calibration result can reflect the performance of instrument completely.
The technical scheme that the present invention takes is：The protective layer calibrated bolck adopts nonmagnetic substance, is square structure, upper end
Face arranges, and the standard round bar is a series of, is placed in correspondence through hole
In.
The protective layer calibrated bolck and standard round bar adopt detachable connection.
The through hole is a series of Φ 6mm～Φ 50mm, corresponding with reinforcing bar nominal diameter, has Φ 6mm, Φ 8mm, Φ
10mm、Φ12mm、Φ14mm、Φ16mm、Φ18mm、Φ20mm、Φ22mm、Φ25mm、Φ28mm、Φ32mm、Φ36mm、Φ
40mm、Φ50mm。
The through hole, away from calibration operation plan range H, i.e. protective layer thickness, is 5mm～190 mm, should meet following wanting
Ask：
d ≤12mm H0＜ H≤40mm, d≤H0；
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：Φ6mm、Φ8mm、Φ10mm、Φ12mm、Φ
14mm、Φ16mm、Φ18mm、Φ20mm、Φ22mm、Φ25mm、Φ28mm、Φ32mm、Φ36mm、Φ40mm、Φ50mm。
The standard round bar is coordinated using gap with protective layer calibrated bolck through hole.
The protective layer standard block of material adopts lucite or engineering plastics.
The standard round bar material is the same with bar material.
The standard round bar length is 100 ~ 300mm.
The protective layer calibrated bolck four side is working face.
Beneficial effects of the present invention：Compared with prior art, the present invention is using the protective layer standard for arranging seriation through hole
Block and seriation standard round bar, can realize that thickness of protection tier measuring instrument quasi-instrument is calibrated, and calibration process is simple and convenient, calibration
As a result accurate and effective；Calibrating installation simple structure；Standard round bar be designed as with protective layer calibrated bolck it is detachable, can be to reinforcing bar
Independent oil sealing protection is carried out, prevents which from corroding, calibrating installation is more stable；Standard through-hole is a series of sizes, can meet conventional
Protective layer thickness requirement；Through hole arranges seriation position, can meet identical reinforcing bar difference protective layer thickness prover
Calibration, can also meet the calibration of different reinforcing bar size protective layer thickness provers；The standard round bar of correspondence through hole is set, being capable of school
Punctual to meet the calibration of multi-series equipment detector more comprehensively, equipment cost is reduced；Coordinated using gap, can be conveniently
Handling standard round bar, calibration operation are simple；Using nonmagnetic lucite or engineering plastics, such material is common, it is easy to
Purchase, low cost, and be nonmagnetic substance not Interference Detection；Using bar material, beneficial to measuring accurate reinforcing bar thickness；If
Length as meter is easy to handling；Four side is working face simultaneously, and calibrating installation compact conformation, effectively utilizes can be allowed to own
Space, it is cost-effective, it is easy to carry.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the calibrated bolck front view of the present invention；
Fig. 3 is the standard round bar apparatus for placing of the present invention.
In figure：1st, protective layer calibrated bolck；2nd, standard round bar；3rd, working face；4th, through hole.
Specific embodiment
As shown in Fig. 1 ~ Fig. 2, a kind of cover protectometer calibrating installation, including protective layer calibrated bolck 1 and standard round
Rod 3, the protective layer calibrated bolck 1 adopt nonmagnetic substance, are square structure, and upper surface is arranged on seriation through hole 2 and side
Calibration operation plane 4 is set, and the standard round bar 3 is a series of cylindrical rod, standard round bar 3 using consistent with bar material,
It is placed in correspondence through hole 2, using the protective layer calibrated bolck and seriation standard round bar that arrange seriation through hole, can realizes that reinforcing bar is protected
Covering thickness measuring instrument quasi-instrument is calibrated, and calibration process is simple and convenient, calibration result accurate and effective；Calibrating installation simple structure.
The protective layer calibrated bolck 1 and standard round bar 3 adopt detachable connection, can carry out independent oil sealing guarantor to reinforcing bar
Shield, prevents which from corroding, and calibrating installation is more stable.
The through hole 2 is a series of Φ 6mm～Φ 50mm, corresponding with reinforcing bar nominal diameter, has Φ 6mm, Φ 8mm, Φ
10mm、Φ12mm、Φ14mm、Φ16mm、Φ18mm、Φ20mm、Φ22mm、Φ25mm、Φ28mm、Φ32mm、Φ36mm、Φ
40mm, Φ 50mm, standard through-hole are a series of sizes, can meet the requirement of conventional protective layer thickness.
The through hole 2 is 5mm～190 mm away from calibration operation plane 4 apart from H, i.e. protective layer thickness, should meet following wanting
Ask：
d ≤12mm H0＜ H≤40mm, d≤H0；
12mm ＜ d≤20mm 40mm ＜ H≤60mm；
D ＞ 20mm 60mm ＜ H≤190；
Wherein:D is standard round bar diameter, and through hole setting seriation position can meet the different protection thickness of identical reinforcing bar
The calibration of degree prover, can also meet the calibration of different reinforcing bar size protective layer thickness provers.
Standard round bar 3 is a series of Φ 6mm～Φ 50mm, and diameter is：Φ6mm、Φ8mm、Φ10mm、Φ12mm、
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 correspondence through hole is set, it is more comprehensive when can calibrate, can meet the calibration of multi-series equipment detector, equipment into
This reduction.
The standard round bar 3 is coordinated using gap with protective layer calibrated bolck through hole 2, can conveniently load and unload standard round bar, school
It is accurate simple to operate.
1 material of protective layer calibrated bolck adopts lucite or engineering plastics, and such material is common, it is easy to buy, into
This is low, and is nonmagnetic substance not Interference Detection.
3 material of the standard round bar is the same with bar material, beneficial to measuring accurate reinforcing bar thickness.
3 length of the standard round bar is 100 ~ 300mm, is easy to handling.
1 four side of protective layer calibrated bolck is working face 4, can allow calibrating installation compact conformation, effectively utilizes institute
There is space, it is cost-effective, it is easy to carry.
Use principle：In FIG, it would be desirable to the reinforcing bar size of check and its protective layer thickness, select corresponding reinforcing bar straight
The standard round bar 3 in footpath is put in corresponding through hole, instrument is placed in calibration operation plane 4, is moved, and detects guarantor
Covering thickness is calibrated；In figure 3, calibration standard pole 4 is placed on means for supporting reinforcement steel bar when not in use, needs to use
When be placed in the corresponding size of Fig. 1 and the through hole 2 of protective layer thickness by the selection of calibration point.
Claims (7)
1. a kind of cover protectometer calibrating installation, including protective layer calibrated bolck（1）And standard round bar（3）, its feature exists
In：The protective layer calibrated bolck（1）Using nonmagnetic substance, it is square structure, upper surface arranges seriation through hole（2）And side
Upper setting calibration operation plane（4）, the standard round bar（3）For a series of, correspondence through hole is placed in（2）In, the protective layer
Calibrated bolck（1）And standard round bar（3）Using detachable connection, the standard round bar（3）With protective layer calibrated bolck through hole（2）Adopt
Coordinated with gap, the through hole（2）Away from calibration operation plane（4）Apart from H, i.e. protective layer thickness, it is 5mm～190 mm, Ying Man
Sufficient following requirements：
d ≤12mm H0＜ H≤40mm, d≤H0；
12mm ＜ d≤20mm 40mm ＜ H≤60mm；
D ＞ 20mm 60mm ＜ H≤190；
Wherein：D is standard round bar diameter.
2. a kind of cover protectometer calibrating installation according to claim 1, it is characterised in that：The through hole（2）
It is for 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、Φ16mm、Φ18mm、Φ20mm、Φ22mm、Φ25mm、Φ28mm、Φ32mm、Φ36mm、Φ40mm、Φ50mm。
3. a kind of cover protectometer calibrating installation according to claim 1, it is characterised in that：Standard round bar（3）
For a series of Φ 6mm～Φ 50mm, diameter is：Φ6mm、Φ8mm、Φ10mm、Φ12mm、Φ14mm、Φ16mm、Φ
18mm、Φ20mm、Φ22mm、Φ25mm、Φ28mm、Φ32mm、Φ36mm、Φ40mm、Φ50mm。
4. a kind of cover protectometer calibrating installation according to claim 1, it is characterised in that：The protective layer mark
Quasi- block（1）Material adopts lucite or engineering plastics.
5. a kind of cover protectometer calibrating installation according to claim 1, it is characterised in that：The standard round bar
（3）Material is the same with bar material.
6. a kind of cover protectometer calibrating installation according to claim 1, it is characterised in that：The standard round bar
（3）Length is 100 ~ 300mm.
7. a kind of cover protectometer calibrating installation according to claim 1, it is characterised in that：The protective layer mark
Quasi- block 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562948.6A CN104296711B (en) | 2014-10-21 | 2014-10-21 | Calibration device for cover protectometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104296711A CN104296711A (en) | 2015-01-21 |
| CN104296711B true CN104296711B (en) | 2017-03-22 |
Family
ID=52316547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410562948.6A Active CN104296711B (en) | 2014-10-21 | 2014-10-21 | Calibration device for cover protectometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104296711B (en) |
Families Citing this family (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 |
| 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 |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101923939B1 (en) * | 2012-07-23 | 2018-11-30 | 삼성전자주식회사 | Method and apparatus for creating magnetic field map based on floor plan information of building |
-
2014
- 2014-10-21 CN CN201410562948.6A patent/CN104296711B/en active Active
Patent Citations (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104296711A (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104296711B (en) | Calibration device for cover protectometer | |
| CN204115700U (en) | A kind of cover protectometer calibrating installation | |
| CN102269634B (en) | Attached resistance strain transducer | |
| CN204116344U (en) | The pick-up unit of a kind of concrete slump and divergence | |
| CN203572736U (en) | Integrated slumping degree measurer | |
| CN202304698U (en) | Three-wing bit measuring gauge | |
| CN201302436Y (en) | Equipment for measuring thickness of pipe wall | |
| CN204388750U (en) | Steel reinforcement cage dipping | |
| CN103454350B (en) | Waveguide rod fixing device for acoustic emission inspection of pipeline | |
| CN102506658A (en) | Tool for measuring diameter of forging piece | |
| CN104677236A (en) | Multifunctional clamp plate | |
| CN203595487U (en) | House squareness measuring device | |
| CN207096254U (en) | A kind of concrete slump and diffusance measurement apparatus | |
| CN205784986U (en) | A kind of slide calliper rule for check brakes sheet | |
| CN104048899A (en) | Rock-filled concrete compactness measurement device and method thereof | |
| CN205209404U (en) | Cast in situ concrete thickness measurement device | |
| CN204359239U (en) | A kind of device for measure-axis external diameter | |
| CN207263064U (en) | Irregular mutual inductor coiling multiangular measurement ruler | |
| CN207516366U (en) | A kind of accurate measuring instrument for measuring slump divergence | |
| CN208596090U (en) | A kind of scene conduit hardness meter capacity checking device | |
| CN202092639U (en) | Multifunctional measuring scale for building | |
| CN104457914A (en) | Closed pool water level marking rod | |
| CN203605858U (en) | Multifunctional measuring tool | |
| CN206300580U (en) | A kind of hole position gauge frock | |
| CN102589401B (en) | Device for detecting lateral deformation of cement-based material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |