CN205119995U - Concrete structure cover to reinforcement thickness check environment calibrating device - Google Patents
Concrete structure cover to reinforcement thickness check environment calibrating device Download PDFInfo
- Publication number
- CN205119995U CN205119995U CN201520779244.4U CN201520779244U CN205119995U CN 205119995 U CN205119995 U CN 205119995U CN 201520779244 U CN201520779244 U CN 201520779244U CN 205119995 U CN205119995 U CN 205119995U
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- Prior art keywords
- reinforcing bar
- bar
- top board
- adjustable plate
- regulating plate
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- Withdrawn - After Issue
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a concrete structure cover to reinforcement thickness check environment calibrating device, it includes a bottom plate, a roof and two risers, be equipped with a regulating plate between bottom plate and the roof, two guided ways have on the top surface of regulating plate, a plurality of reinforcing bar laying strip still has on the top surface of regulating plate, reinforcing bar laying strip's top surface has the groove of shelving of a V type unanimous with reinforcing bar laying strip axial, reinforcing bar laying strip's bottom surface have two with reinforcing bar laying strip axial vertical's guide way, regulating plate, riser and reinforcing bar laying strip's length direction all is equipped with the standard scale. Operating method includes: adjust the regulating plate, place reinforcing bar and thickness check step, adopted the utility model discloses a calibrating device and operating method can simulate the actual state and carry out instrument survey and manual measurement to the protective layer thickness of moving about freely and quickly criss -cross reinforcing bar net, and whether the precision of measuring cover to reinforcement thickness detection instrument according to instrument survey after contrasting with manual measuring data is qualified.
Description
Technical field
The utility model relates to a kind of calibrating installation and method of operating thereof, the device calibrated a kind of precision of the detector for measuring concrete structure reinforcing bars protective layer thickness specifically and method of operating thereof.
Background technology
In most of reinforced concrete works, structure reinforcing bars needs certain protective layer thickness, makes reinforcing bar can not touch extraneous air, thus avoids the corrosion of reinforcing bar.In engineering process, need to detect this protective layer thickness, usually adopt detector to be according to Theory of Electromagnetic Field now, coil is strict magnetic dipole, and when signal source supply exchange current, it outwardly gives off electromagnetic field; Reinforcing bar is an electric dipole, and it receives external electrical field, thus the induction current that generation size distributes along reinforcing bar.The induction current of reinforcing bar outwardly gives off electromagnetic field again; former drive coil is made to produce induced electromotive force; thus the output voltage of coil is changed, reinforcement location analyzer is just according to the position determining reinforcing bar place and the protective layer thickness thereof of this change.And time directly over reinforcing bar, should ringing of the secondary magnetic field that the output voltage of coil produces by reinforcing bar is maximum.Therefore in testing, in the process of probe movement, this influenced maximum point can be automatically locked, the point that namely signal value is maximum.One-tenth-value thickness 1/10 is drawn according to the corresponding relation between protective layer thickness and signal.Owing to not having now special prover to carry out accuracy calibration to this detector, determination data is caused to have uncertainty.
Utility model content
For overcoming above-mentioned defect, the special purpose device that the precision that the utility model aims to provide a kind of detector for measuring concrete structure reinforcing bars protective layer thickness is calibrated.
For achieving the above object, the technical solution adopted in the utility model is: a kind of concrete structure reinforcing bars protective layer thickness testing environment calibrating installation, it comprises one piece of base plate, one piece of top board and the two pieces of risers be connected between base plate and top board, an adjustable plate is provided with between described base plate and top board, several spacers are provided with bottom described adjustable plate, the end face of described adjustable plate have two guided ways, the end face of described adjustable plate also has several reinforcing bars and shelve bar, the end face that bar shelved by described reinforcing bar have one shelve the axially consistent V-type of bar with reinforcing bar shelve groove, the bottom surface that bar shelved by described reinforcing bar has two and shelves the axially vertical gathering sill of bar with reinforcing bar, described gathering sill and guided way match, the length direction that bar shelved by described adjustable plate, riser and reinforcing bar is equipped with master scale.
Described top board is provided with the measuring flume intersected in length and breadth.
Have employed concrete structure reinforcing bars protective layer thickness testing environment calibrating installation of the present utility model; actual state can be simulated Instrument measuring and hand dipping are carried out to the protective layer thickness of the bar-mat reinforcement intersected in length and breadth; and whether the precision measuring thickness of protection tier detector after contrasting according to the data of Instrument measuring and hand dipping is qualified, makes detector have data more accurately in actual measurement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that bar shelved by reinforcing bar of the present utility model;
Fig. 3 is top board structure schematic diagram of the present utility model.
In figure: 1-base plate, 2-top board, 3-riser, 4-adjustable plate, 5-spacer, 6-guided way, bar shelved by 7-reinforcing bar, and 8-shelves groove, 9-gathering sill, 10-measuring flume, the main muscle of 11-, the secondary muscle of 12-, 13-detector.
Embodiment
As shown in Figure 1, the utility model discloses a kind of concrete structure reinforcing bars protective layer thickness testing environment calibrating installation, it comprises one piece of base plate 1, one piece of top board 2 and the two pieces of risers 3 be connected between base plate 1 and top board 2, by base plate 1, top board 2 and riser form the framework of a rectangle, an adjustable plate 4 is provided with between described base plate 1 and top board 2, several spacers 5 are provided with bottom described adjustable plate 4, according to actual conditions, it is one group that spacer 5 can be 3-4, form by some groups that highly differ, and select one group of spacer 5 of a certain height according to actual conditions at every turn, the end face of described adjustable plate 4 have two guided ways 6, the end face of described adjustable plate 4 also has several reinforcing bars and shelves bar 7, as shown in Figure 2, the end face that bar 7 shelved by described reinforcing bar have one shelve the axially consistent V-type of bar 7 with reinforcing bar shelve groove 8, the bottom surface that bar 7 shelved by described reinforcing bar has two and shelves the axially vertical gathering sill 9 of bar 7 with reinforcing bar, described gathering sill 9 matches with guided way 6, namely bar 7 can carry out level on adjustable plate 4 movement along guided way 6 direction shelved by reinforcing bar, shelves distance between bar 7 to regulate adjacent two reinforcing bars, the length direction that described adjustable plate 4, riser 3 shelve bar 7 with reinforcing bar is equipped with master scale, by scale, the distance between adjustable plate 4 and top board 2 end face can be read easily, adjacent two reinforcing bars shelve the distance between bar 7 and be placed on the distance between secondary muscle 12 that reinforcing bar shelves on bar 7.
As shown in Figure 3, another innovative point of concrete structure reinforcing bars protective layer thickness testing environment calibrating installation described in the utility model is that described top board 2 is provided with the measuring flume 10 intersected in length and breadth.When practical operation; survey instrument; as vernier caliper is probeed into by measuring flume 10, main muscle 11, distance between secondary muscle 12 and top board 2 end face can be recorded, make this structure reinforcing bars protective layer thickness simulation value compare the simulation value read with scale and have more accuracy.
Concrete structure reinforcing bars protective layer thickness testing environment calibrating installation described in the utility model, its method of operating comprises following step:
Step one, adjustment adjustable plate: according to prior setting value, the spacer 5 of selected one group of corresponding height is placed on base plate 1, then adjustable plate 4 is placed on spacer 5, adjustment spacer 5 to balance, record after the distance values on reading riser 3 between adjustable plate 4 and top board 2 end face; Then several reinforcing bars being shelved bar 7 is placed on adjustable plate 4, and make guided way 6 buckle in gathering sill 9, adjacent two reinforcing bars are regulated to shelve the position of bar 7, and record after reading the distance values that adjacent two reinforcing bars on adjustable plate 4 shelve between bar 7, this is exactly the distance values under simulation actual condition in bar-mat reinforcement between adjacent two main muscle 11;
Step 2, place reinforcing bar: some main muscle 11 are placed into shelving after in groove 8 of V-type respectively, note during placement not moving the position that bar 7 shelved by reinforcing bar, some secondary muscle 12 with vertical angle, horizontal range is placed on main muscle 11 uniformly, can adopt the mode of binding that secondary muscle 12 is fixed on main muscle 11 if desired, read record after the distance values that reinforcing bar shelves on bar 7 between adjacent two secondary muscle 12, this is exactly the distance values under simulation actual condition in bar-mat reinforcement between adjacent two secondary muscle 12, finally calculate main muscle 11 according to main muscle 11 with the diameter of secondary muscle 12, record after distance values between secondary muscle 12 and top board 2 end face, this numerical value is exactly the numerical value of structure reinforcing bars protective layer thickness under simulation actual condition,
Step 3, Thickness sensitivity: detector 13 is placed on top board 2 and moves around, after detector reads main muscle 11, distance values between secondary muscle 12 and top board 2 end face, and the main muscle 11 of precedence record, distance values between secondary muscle 12 and top board 2 end face contrast, and the error compared between two numerical value, namely a calibration is completed, then the spacer 5 of another height is changed, continue to repeat above step, carry out another primary calibration, etc. completing its error amounts of contrast after some groups of calibrations, see whether within critical field.
In order to model configuration thickness of protection tier more accurately, the method of operating of concrete structure reinforcing bars protective layer thickness testing environment calibrating installation described in the utility model, can also operate as under type in step 2 wherein: place in reinforcing bar, some main muscle 11 are placed into shelving after in groove 8 of V-type respectively, again some secondary muscle 12 with vertical angle, horizontal range is placed on after on main muscle 11 uniformly, survey instrument is probeed in the measuring flume 10 on top board 2, measure record after main muscle 11, distance values between secondary muscle 12 and top board 2; Record after the distance values measuring between spacing between main muscle 11 and secondary muscle 12 with survey instrument.
Claims (2)
1. concrete structure reinforcing bars protective layer thickness testing environment calibrating installation, it is characterized in that it comprises one piece of base plate (1), one piece of top board (2) and the two pieces of risers (3) be connected between base plate (1) and top board (2), an adjustable plate (4) is provided with between described base plate (1) and top board (2), described adjustable plate (4) bottom is provided with several spacers (5), the end face of described adjustable plate (4) have two guided ways (6), the end face of described adjustable plate (4) also has several reinforcing bars and shelve bar (7), the end face that bar (7) shelved by described reinforcing bar have one shelve the axially consistent V-type of bar (7) with reinforcing bar shelve groove (8), the bottom surface that bar (7) shelved by described reinforcing bar has two and shelves the axially vertical gathering sill (9) of bar (7) with reinforcing bar, described gathering sill (9) and guided way (6) match, the length direction that bar (7) shelved by described adjustable plate (4), riser (3) and reinforcing bar is equipped with master scale.
2. concrete structure reinforcing bars protective layer thickness testing environment calibrating installation according to claim 1, is characterized in that described top board (2) is provided with the measuring flume (10) intersected in length and breadth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779244.4U CN205119995U (en) | 2015-10-09 | 2015-10-09 | Concrete structure cover to reinforcement thickness check environment calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779244.4U CN205119995U (en) | 2015-10-09 | 2015-10-09 | Concrete structure cover to reinforcement thickness check environment calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205119995U true CN205119995U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520779244.4U Withdrawn - After Issue CN205119995U (en) | 2015-10-09 | 2015-10-09 | Concrete structure cover to reinforcement thickness check environment calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205119995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-10-09 CN CN201520779244.4U patent/CN205119995U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20180216 |