CN203785621U - Apparatus for detecting inner steel bar distance and protection layer thickness by using magnetic determining steel concrete structure - Google Patents
Apparatus for detecting inner steel bar distance and protection layer thickness by using magnetic determining steel concrete structure Download PDFInfo
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- CN203785621U CN203785621U CN201420216186.XU CN201420216186U CN203785621U CN 203785621 U CN203785621 U CN 203785621U CN 201420216186 U CN201420216186 U CN 201420216186U CN 203785621 U CN203785621 U CN 203785621U
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- short tube
- magnetic force
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Abstract
The utility model relates to an apparatus for detecting inner steel bar distance and protection layer thickness by using magnetic determining steel concrete structure and belongs to the field of building detection apparatuses. A magnetic short tube group formed by successively hinging magnetic short tube particles is disposed in a magnetic reeled plate. One tail end of each magnetic short tube particle is provided with a magnetic analyzing contact inserted into a magnetic analyzing integrated board. The other tail end of each magnetic short tube particle is provided with a pressure sensing module inserted into the magnetic analyzing integrated board. By successively hinging the magnetic short tube particles, a surface of the formed magnetic short tube group may wrap concrete surfaces in various shapes such that steel bars in most concrete structures can be detected. The apparatus is controlled by a hand-held terminal so as to be easy to manipulate and convenient to use. The top surface and the bottom surface of each magnetic short tube particle are equipped with independent contact surface sensors such that sensitivity and accurate detection results are achieved.
Description
Technical field
The utility model relates to a kind of instrument that adopts magnetic force to judge the interior bar spacing of Reinforced Concrete Structure and protective layer thickness, belongs to building detecting instrument category.
Background technology
Reinforced concrete why can co-operation be to be determined by it self material character.First reinforcing bar and concrete have approximately uniform linear expansion coefficient, can be by the excessive stress of the different generations of environment.Secondly between reinforcing bar and concrete, there is good cohesive force, sometimes the surface of reinforcing bar is also processed to spaced rib and improves the mechanical snap between concrete and rebar, when this is still not enough to transmit the pulling force between reinforcing bar and concrete, conventionally the end of reinforcing bar is bent up to 180 degree crotches.In addition the alkaline environment that the calcium hydroxide in concrete provides, has formed one deck passivation protection film at rebar surface, makes reinforcing bar with respect to more not perishable under neutral and sour environment.Therefore reinforcing bar and concrete amount should meet design requirement, and can not occur not construction in line with the drawings, otherwise easily cause occurring the quality problems of engineering.
Once but reinforcing bar by concrete casting injection forming after, the reinforcing bar in it has just become hidden material, if some illegal construction contractors use inferior materials and turn out substandard goods, once this moulding by casting so, this problem is difficult to be detected.
Summary of the invention
The purpose of this utility model is to provide a kind of instrument that adopts magnetic force to judge the interior bar spacing of Reinforced Concrete Structure and protective layer thickness, thereby realize the interior definite reinforcing bar of concrete of moulding by casting, whether meets designing requirement.
To achieve the above object, the utility model adopts following technical scheme: a kind of instrument that adopts magnetic force to judge the interior bar spacing of Reinforced Concrete Structure and protective layer thickness, its structure mainly comprises: magnetic force roll bending, magnetic force short tube particle, magnetic analysis circuit board, Pressure Analysis circuit board, magnetic analysis contact, pressure sensing module, signal dispatch tube, instrument control end, function button district, display screen, magnetic force short tube group, be provided with in described magnetic force roll bending successively by the hinged magnetic force short tube group forming of magnetic force short tube particle;
Described end, magnetic force short tube particle one end is provided with magnetic analysis contact, in magnetic analysis contact access magnetic analysis circuit board; The other end is not lined with pressure sensing module, and pressure sensing module cut-in pressure is analyzed in circuit board;
After above-mentioned Pressure Analysis circuit board, its integrated output of magnetic analysis contact, by signal dispatch tube, be connected with instrument control end.
Above-mentioned instrument control end is provided with function button district, display screen.
The beneficial effects of the utility model: by hinged magnetic force short tube particle successively, can realize the one side that the magnetic force short tube group of composition forms and can be wrapped in the concrete surface of most of shape, therefore can detect the reinforcing bar in most of xoncrete structure; Instrument adopts a handheld terminal to control, easy to operate, easy to use; Each magnetic force short tube particle top and bottom is provided with independent tactile face sensor, and sensitive, testing result is accurate.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that adopts magnetic force to judge the instrument of the interior bar spacing of Reinforced Concrete Structure and protective layer thickness of the utility model.
Fig. 2 is a kind of structural representation that adopts magnetic force to judge the instrument magnetic force short tube group of the interior bar spacing of Reinforced Concrete Structure and protective layer thickness of the utility model.
1-magnetic force roll bending in figure, 2-magnetic force short tube particle, 3-magnetic analysis circuit board, 4-Pressure Analysis circuit board, 5-magnetic analysis contact, 6-pressure sensing module, 7-signal dispatch tube, 8-instrument control end, 9-function button district, 10-display screen, 11-magnetic force short tube group, the test block of 12-reinforced concrete.
Embodiment
Below in conjunction with accompanying drawing 1-2, embodiment of the present utility model is made a detailed explanation.
Embodiment: a kind of instrument that adopts magnetic force to judge the interior bar spacing of Reinforced Concrete Structure and protective layer thickness, its structure mainly comprises: magnetic force roll bending 1, magnetic force short tube particle 2, magnetic analysis circuit board 3, Pressure Analysis circuit board 4, magnetic analysis contact 5, pressure sensing module 6, signal dispatch tube 7, instrument control end 8, function button district 9, display screen 10, magnetic force short tube group 11, be provided with in described magnetic force roll bending 1 successively by the hinged magnetic force short tube group 11 forming of magnetic force short tube particle 2;
Described magnetic force short tube particle 2 ends, one end are provided with magnetic analysis contact 5, in the 5 access magnetic analysis circuit boards 3 of magnetic analysis contact; The other end is not lined with pressure sensing module 6, and pressure sensing module 6 cut-in pressures are analyzed in circuit board 4;
After described Pressure Analysis circuit board 4,5 its integrated outputs of magnetic analysis contact, by signal dispatch tube 7, be connected with instrument control end 8.
Described instrument control end 8 is provided with function button district 9, display screen 10.
For detecting instrument of the present utility model, detection bar spacing and protective layer thickness principle and operating process thereof are done one and are told below:
Core protection point of the present utility model is: thereby the magnetic force short tube group 11 being comprised of magnetic force short tube particle 2 detects each point magnetic force size by pressure sensing module 6, judge that the reinforcing bar of each point distributes; pass through again the signal analysis of instrument control end 8 equipment, thereby the bar spacing of mensuration and protective layer thickness.
Because the form that reinforcing bar is present in concrete generally has three kinds: connect muscle, grid ribs, stirrup.And be 10cm according to general its closeest spacing of designing requirement, so this instrument is by the pressure sensing module 6 of every magnetic force short tube particle 2 bottoms, can judge the amount of these magnetic force short tube particle 2 reinforcing bars.
The utility model is claimed is the magnetic analysis circuit board 3 consisting of magnetic force short tube particle 2; The structure such as the internal circuit of instrument control end 8 described here, layout, in this application range.
Claims (2)
1. an instrument that adopts magnetic force to judge bar spacing and protective layer thickness in Reinforced Concrete Structure, its structure mainly comprises: magnetic force roll bending (1), magnetic force short tube particle (2), magnetic analysis circuit board (3), Pressure Analysis circuit board (4), magnetic analysis contact (5), pressure sensing module (6), signal dispatch tube (7), instrument control end (8), function button district (9), display screen (10), magnetic force short tube group (11), it is characterized in that: in magnetic force roll bending (1), be provided with successively by the hinged magnetic force short tube group (11) forming of magnetic force short tube particle (2),
Described magnetic force short tube particle (2) end, one end is provided with magnetic analysis contact (5), in magnetic analysis contact (5) access magnetic analysis circuit boards (3); The other end is not lined with pressure sensing module (6), and pressure sensing module (6) cut-in pressure is analyzed in circuit board (4);
Described Pressure Analysis circuit board (4), magnetic analysis contact (5) its integrated output are connected with instrument control end (8) by signal dispatch tube (7) afterwards.
2. according to a kind of described in claim 1, adopt magnetic force to judge the instrument of bar spacing and protective layer thickness in Reinforced Concrete Structure, it is characterized in that described instrument control end (8) is provided with function button district (9), display screen (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216186.XU CN203785621U (en) | 2014-04-30 | 2014-04-30 | Apparatus for detecting inner steel bar distance and protection layer thickness by using magnetic determining steel concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216186.XU CN203785621U (en) | 2014-04-30 | 2014-04-30 | Apparatus for detecting inner steel bar distance and protection layer thickness by using magnetic determining steel concrete structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785621U true CN203785621U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420216186.XU Expired - Fee Related CN203785621U (en) | 2014-04-30 | 2014-04-30 | Apparatus for detecting inner steel bar distance and protection layer thickness by using magnetic determining steel concrete structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203785621U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929088A (en) * | 2015-06-26 | 2015-09-23 | 中国葛洲坝集团三峡建设工程有限公司 | Concrete embedded part finding device and method |
| CN105180763A (en) * | 2015-10-09 | 2015-12-23 | 浙江省交通工程建设集团有限公司 | Concrete structure steel bar protection layer thickness detection environment calibrating device and operation method |
| CN109520408A (en) * | 2019-01-09 | 2019-03-26 | 谭斌 | Bar spacing detection device and bar spacing measurement method |
| CN110220450A (en) * | 2019-04-25 | 2019-09-10 | 深圳市法爱工程技术有限公司 | Bar spacing measuring device and bar spacing measurement method |
| CN110671993A (en) * | 2019-10-14 | 2020-01-10 | 欧曙光 | Instrument for determining steel bar spacing and protective layer thickness in steel concrete structure by magnetic force |
| CN112697088A (en) * | 2020-12-31 | 2021-04-23 | 淮南矿业集团兴科计量技术服务有限责任公司 | Non-damaged thickness detection mechanism of concrete reinforcement protective layer |
-
2014
- 2014-04-30 CN CN201420216186.XU patent/CN203785621U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929088A (en) * | 2015-06-26 | 2015-09-23 | 中国葛洲坝集团三峡建设工程有限公司 | Concrete embedded part finding device and method |
| CN105180763A (en) * | 2015-10-09 | 2015-12-23 | 浙江省交通工程建设集团有限公司 | Concrete structure steel bar protection layer thickness detection environment calibrating device and operation method |
| CN105180763B (en) * | 2015-10-09 | 2018-02-16 | 浙江交工集团股份有限公司 | Concrete structure reinforcing bars protective layer thickness detects environment calibration device and operating method |
| CN109520408A (en) * | 2019-01-09 | 2019-03-26 | 谭斌 | Bar spacing detection device and bar spacing measurement method |
| CN109520408B (en) * | 2019-01-09 | 2020-10-27 | 谭斌 | Steel bar spacing detection device and steel bar spacing measurement method |
| CN110220450A (en) * | 2019-04-25 | 2019-09-10 | 深圳市法爱工程技术有限公司 | Bar spacing measuring device and bar spacing measurement method |
| CN110671993A (en) * | 2019-10-14 | 2020-01-10 | 欧曙光 | Instrument for determining steel bar spacing and protective layer thickness in steel concrete structure by magnetic force |
| CN110671993B (en) * | 2019-10-14 | 2024-05-17 | 广州市建筑材料工业研究所有限公司 | Instrument for judging distance between steel bars in steel concrete structure and thickness of protective layer by adopting magnetic force |
| CN112697088A (en) * | 2020-12-31 | 2021-04-23 | 淮南矿业集团兴科计量技术服务有限责任公司 | Non-damaged thickness detection mechanism of concrete reinforcement protective layer |
| CN112697088B (en) * | 2020-12-31 | 2022-01-18 | 淮南矿业集团兴科计量技术服务有限责任公司 | Non-damaged thickness detection mechanism of concrete reinforcement protective layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20190430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |