CN216523745U - Concrete reinforcement protective layer thickness interval tester calibrating device - Google Patents
Concrete reinforcement protective layer thickness interval tester calibrating device Download PDFInfo
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- CN216523745U CN216523745U CN202122510717.9U CN202122510717U CN216523745U CN 216523745 U CN216523745 U CN 216523745U CN 202122510717 U CN202122510717 U CN 202122510717U CN 216523745 U CN216523745 U CN 216523745U
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- protective layer
- calibrating device
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Abstract
The utility model discloses a calibration device for a thickness interval tester of a concrete reinforcement protective layer, which comprises a top plate, side plates and a step plate, wherein the top plate and four side plates form a calibration device shell with a hollow bottom, and the step plate is fixedly connected between the inner sides of the front side plate and the rear side plate. The technical scheme of the utility model provides the tester calibration device for the thickness and the distance of the reinforcing steel bar protective layer, which can be set according to the standard requirements and is convenient to operate.
Description
Technical Field
The utility model relates to the technical field of testing of thickness intervals of concrete reinforcement protective layers in constructional engineering, in particular to a calibrating device of a concrete reinforcement protective layer thickness interval tester.
Background
The reinforcing steel bars are exposed in the atmosphere or other media and are easy to corrode and rust, so that the effective sections of the reinforcing steel bars are reduced, the stress of the structure is influenced, and the minimum thickness of concrete protective layers in different use environments needs to be regulated according to the requirement on durability. The design requirement is that the concrete reinforcing steel bar protective layer has certain thickness to ensure that the reinforcing steel bar of the concrete structure does not generate corrosion which reduces the reliability of the structure within the design service life. According to the acceptance criteria of construction quality of concrete structural engineering, the thickness and the distance of the concrete reinforcement protective layer are detected when the concrete structural engineering is accepted. The concrete reinforcing steel bar protective layer and space detection method is technical regulation for detecting reinforcing steel bars in concrete, and the method requires that instrument calibration is carried out before the thickness and space detection of the concrete reinforcing steel bar protective layer: the steel bar detector and the radar instrument are calibrated by adopting a calibration test piece before detection by an electromagnetic induction method. At present, the calibration piece made of concrete and reinforcing steel bars is generally adopted, and has the following defects: firstly, the concrete is adopted for manufacturing, so that the volume is heavy and the carrying is not easy; secondly, the measurement is not intuitive, and the operation is inconvenient; thirdly, the measurement of the thickness of different protective layers is inconvenient to calibrate; fourthly, the replacement of the reinforcing steel bars with different diameters is inconvenient.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The technical problem to be solved by the technical scheme is to provide the calibrating device for the reinforcing steel bar protective layer thickness and spacing tester, wherein the protective layer thickness and spacing can be set according to the specification requirement, and the calibrating device is convenient to operate.
2. Technical scheme
The calibration device for the thickness interval tester of the concrete reinforcement protective layer comprises a top plate, side plates and a step plate, wherein the top plate and four side plates form a calibration device shell with a hollow bottom, and the step plate is fixedly connected between the inner sides of the front side plate and the rear side plate.
As a further improvement of the utility model, the step plate is provided with a through hole.
As a further improvement of the utility model, two adjacent side edges of the upper surface of the top plate are also provided with calibration slits which are perpendicular to the penetrating direction of the through hole.
As a further improvement of the utility model, the top plate, the side plates and the step plate are all made of engineering plastics.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following remarkable effects:
(1) according to the calibrating device for the tester for the thickness interval of the concrete steel bar protective layer, the aperture of the through hole is matched with the outer circle surface of the steel bar, the through hole can be in various sizes, and the through hole can be adapted to steel bars with different diameters, so that the test fetching piece is adjusted according to the thickness and the interval of the steel bar protective layer of a tested member.
(2) The calibrating device for the concrete steel bar protective layer thickness interval tester can ensure the parallelism between steel bars and the parallelism between the steel bars and a tested surface, can also realize the quick adjustment of different steel bar protective layer thicknesses and steel bar intervals, and is very simple to operate.
(3) According to the calibrating device for the thickness interval tester of the concrete reinforcement protective layer, when the reinforcement needs to be replaced, only a new reinforcement needs to be placed on the corresponding step plate from the bottom, and replacement is convenient.
(4) According to the calibrating device for the concrete reinforcement protective layer thickness interval tester, the standard interval can be directly measured by using the calibrating seam, and the reading of the tester is convenient to correct.
(5) The calibrating device for the concrete reinforcement protective layer thickness interval tester is high in practicability, simple in structure and convenient to popularize and use.
Description of the drawings:
fig. 1 is a schematic structural diagram of a calibration device for a thickness and spacing tester of a concrete reinforcement protective layer according to the present invention.
The reference numerals in the schematic drawings illustrate:
1. a top plate; 11. calibrating the seam; 2. a side plate; 3. a step plate; 31. and a through hole.
Detailed Description
Example 1
The utility model provides a concrete reinforcement protective layer thickness interval tester calibrating device, includes roof 1, curb plate 2 and ladder board 3, foretell roof 1 and four blocks of curb plates 2 constitute the calibrating device casing of bottom fretwork, curb plate 2 around the position inboard between linked firmly ladder board 3, ladder board 3 be equipped with through-hole 31, the double-phase adjacent side of the upper surface of roof 1 still be provided with calibration seam 11, this calibration seam 11 perpendicular to through-hole 31 pierce through the direction, roof 1, curb plate 2 and ladder board 3 all adopt engineering plastics.
It should be noted that the top plate 1 and the side plate 2 form a transparent calibration housing with a hollow bottom, the aperture of the through hole 31 is matched with the outer circle surface of the steel bar, and the through hole 31 can be in various sizes and can be adapted to steel bars with different diameters, so that the test fetching piece is adjusted according to the thickness and the distance of the steel bar protection layer of the tested component; because the utility model realizes the adjustment of the thickness of different steel bar protective layers and the distance between the steel bars by adjusting the steel bars to be arranged in the through holes 31 of the linear stepped plates 3, the parallel between the steel bars and the tested surface can be ensured only by ensuring the processing consistency of the through holes 31 of the front and the back linear stepped plates 3, and the adjustment of the thickness of different steel bar protective layers and the distance between the steel bars can be realized quickly, and the operation is very simple; meanwhile, the reinforcing steel bars can be adjusted to be arranged in the through holes 31 of different step plates 3 according to the thickness and the distance of the reinforcing steel bar protective layers of the tested component, and the thickness and the distance of the reinforcing steel bars of different reinforcing steel bar protective layers can be quickly adjusted.
During the specific use, when needing to be changed the reinforcing bar, only need with new reinforcing bar from the bottom put on corresponding ladder board 3 can, its change is more convenient. The upper surface of the top plate 1 is also provided with a steel bar protective layer thickness and interval measurement calibration seam 11 which is convenient for a measuring tool to quickly measure the thickness of the protective layer and the interval between the steel bars, so that the standard interval can be directly measured, and the reading of an instrument is convenient to correct.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (4)
1. The utility model provides a concrete reinforcement protective layer thickness interval tester calibrating device, includes roof (1), curb plate (2) and notch cuttle board (3), its characterized in that: foretell roof (1) and four blocks of curb plates (2) constitute the calibrating device casing of bottom fretwork, curb plate (2) around the position inboard between link firmly step plate (3).
2. The concrete reinforcing bar protective layer thickness interval tester calibrating device of claim 1, characterized in that: the step plate (3) is provided with a through hole (31).
3. The concrete reinforcing bar protective layer thickness interval tester calibrating device of claim 2, characterized in that: two adjacent side edges of the upper surface of the top plate (1) are also provided with calibration slits (11), and the calibration slits (11) are vertical to the penetrating direction of the through hole (31).
4. The concrete reinforcing bar protective layer thickness interval tester calibrating device of claim 3, characterized in that: the top plate (1), the side plates (2) and the step plate (3) are all made of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510717.9U CN216523745U (en) | 2021-10-19 | 2021-10-19 | Concrete reinforcement protective layer thickness interval tester calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510717.9U CN216523745U (en) | 2021-10-19 | 2021-10-19 | Concrete reinforcement protective layer thickness interval tester calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216523745U true CN216523745U (en) | 2022-05-13 |
Family
ID=81522102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122510717.9U Active CN216523745U (en) | 2021-10-19 | 2021-10-19 | Concrete reinforcement protective layer thickness interval tester calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216523745U (en) |
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2021
- 2021-10-19 CN CN202122510717.9U patent/CN216523745U/en active Active
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