CN216115769U - Special calibrator for thickness meter of steel bar protective layer - Google Patents
Special calibrator for thickness meter of steel bar protective layer Download PDFInfo
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- CN216115769U CN216115769U CN202122454052.4U CN202122454052U CN216115769U CN 216115769 U CN216115769 U CN 216115769U CN 202122454052 U CN202122454052 U CN 202122454052U CN 216115769 U CN216115769 U CN 216115769U
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- steel bar
- concrete slab
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- protective layer
- thickness
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Abstract
The utility model belongs to the technical field of calibration of measuring instruments, and provides a special calibrator for a thickness meter of a protective layer of a steel bar, which comprises the following components: a first concrete plate and a second concrete plate; the concrete slab I and the concrete slab II have the same size and structure, a plurality of reinforcing steel bars are fixedly clamped between the concrete slab I and the concrete slab II, a reinforcing steel bar protective layer thickness instrument used for measuring the thickness of a reinforcing steel bar protective layer of the concrete slab II is arranged outside one side of the concrete slab II, which is far away from the reinforcing steel bars, a measuring ruler used for measuring the thickness of the reinforcing steel bar protective layer of the concrete slab I is arranged outside one side of the concrete slab I, which is far away from the reinforcing steel bars, and a through measuring hole convenient for measuring the measuring depth of the ruler is formed in the vertical position, corresponding to the reinforcing steel bar, in the concrete slab I; and the other ends of the lifter are connected with a transverse moving mechanism.
Description
Technical Field
The utility model belongs to the technical field of calibration of measuring instruments, and particularly relates to a special calibrator for a steel bar protective layer thickness instrument.
Background
The reinforcing steel bar protective layer thickness tester is used for detecting the diameter, the position and the reinforcing steel bar distribution of the reinforcing steel bars in the existing reinforced concrete or newly-built reinforced concrete and the concrete protective layer thickness of the reinforcing steel bars. The device can also detect magnetic bodies and electric conductors in non-magnetic and non-conductive media, and is mainly used for detecting the position, the distribution and the trend of reinforcing steel bars, the thickness of a protective layer and the diameter of the reinforcing steel bars in concrete structural engineering such as bridges, tunnels, walls and the like.
Because the reinforcing bar protective layer thickness measuring instrument is applied to some building sites for a long time, the environment is poor, some damages are easily caused to the inside of the precision detection instrument, the measurement accuracy of the reinforcing bar protective layer thickness measuring instrument is reduced in the long-term past, and a calibration device capable of detecting the reinforcing bar protective layer thickness measuring instrument is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a special calibrator for a thickness gauge of a steel bar protection layer, and aims to solve the problems.
The utility model is realized in this way, the special calibrator for the steel bar protective layer thickness gauge includes: a first concrete plate and a second concrete plate; the concrete slab I and the concrete slab II have the same size and structure, a plurality of reinforcing steel bars are fixedly clamped between the concrete slab I and the concrete slab II, two ends of the concrete slab I and the concrete slab II are jointly connected with a supporting plate in a lifting and sliding mode, the distance between the concrete slab I and the concrete slab II is adjusted through the sliding of the concrete slab I and the concrete slab II on the supporting plate, the thickness of the protective layer is conveniently clamped and fixedly measured for reinforcing steel bars with different diameters, a reinforcing steel bar protective layer thickness instrument used for measuring the thickness of the reinforcing steel bar protective layer of the concrete slab II is arranged outside one side of the concrete slab II, which is far away from the reinforcing steel bars, a measuring ruler component used for measuring the thickness of the reinforcing steel bar protective layer of the concrete slab I is arranged outside one side of the concrete slab I, a measuring hole which is penetrated and is conveniently used for measuring the depth of the measuring ruler component is arranged at the vertical position of the reinforcing steel bar in the concrete slab I, and the depth of the measuring ruler component measuring hole is compared with the thickness measured by the reinforcing steel bar protective layer thickness instrument, therefore, whether the measurement result of the reinforcing steel bar protective layer thickness gauge is accurate or not is judged, and the calibration of the reinforcing steel bar protective layer thickness gauge is realized;
the concrete slab that keeps away from corresponding position of protective steel bar layer thickness appearance and measurement chi spare has the lift with the one end fixed mounting of concrete slab two, adjust protective steel bar layer thickness appearance and measurement chi spare distance through the lift and correspond the position of concrete slab two and concrete slab one, then carry out the measurement of thickness, be connected with lateral shifting mechanism at the other end of lift simultaneously, lateral shifting mechanism is used for driving lift horizontal migration, drive protective steel bar layer thickness appearance and measurement chi spare carry out protective layer thickness measurement to a plurality of reinforcing bars between concrete slab one and the concrete slab two, then protective layer thickness measurement comparison through multiunit reinforcing bar department, whether accurate judgement reinforcing steel bar layer thickness appearance's measuring result is accurate.
Preferably, the connecting rods are symmetrically installed at two ends of the first concrete slab and the second concrete slab, the inner side of the supporting plate at the tail end of each connecting rod is provided with a longitudinal sliding groove, the horizontal direction of each sliding groove is a penetrating structure, meanwhile, the tail end of each connecting rod is fixedly connected with an adjusting screw rod in a sliding mode and connected with a locking nut used for limiting the adjusting screw rod to slide in a lifting mode through threads on the adjusting screw rod arranged on the outer portion of the supporting plate.
Preferably, the transverse moving mechanism comprises a lead screw parallel to the concrete slab, one end of the lead screw is rotatably connected to the supporting plate, the other end of the lead screw is rotatably connected with a servo motor fixed to the supporting plate, and a nut is movably connected to the lead screw.
Preferably, measure the chi spare including fixed connection at the lifter of lift bottom, the lifter shifts up and is stamped the scale mark, through starting the lift and drive the lifter and go up and down to the measuring hole inside, then measure the degree of depth of measuring hole through the scale mark, is provided with a set of pressure sensor simultaneously in the lifter bottom, removes to the measuring hole inside and the reinforcing bar contact through pressure sensor.
Preferably, the reinforcing bar protective layer thickness appearance includes fixed connection at the mounting panel of lift tip, and reinforcing bar protective layer thickness appearance is installed to the dismantlement formula on the mounting panel, and protective layer thickness of reinforcing bar through two sets of servo motor simultaneous operation drive scale mark and reinforcing bar protective layer thickness appearance to the same position is measured, then contrast measuring data to judge the testing result of steel bar protective layer thickness appearance, calibrate it.
According to the special calibrator for the thickness gauge of the steel bar protection layer, the transverse moving mechanism is arranged to drive the scale marks and the thickness gauge of the steel bar protection layer to measure the thickness of the protection layer at the same position in two forms, and the scale marks are visually and accurately measured, so that the measurement result of the scale marks is directly compared with the measurement result of the thickness gauge of the steel bar protection layer, the measurement precision of the thickness gauge of the steel bar protection layer can be accurately judged, and the accurate and rapid calibration of the thickness gauge of the steel bar protection layer is realized;
a plurality of steel bars are arranged between the first concrete slab and the second concrete slab and are used for comparing measurement results of the steel bar protective layer thickness meter and the scale marks for multiple times, so that the accuracy and the comprehensiveness of measurement and comparison are improved;
the utility model has the advantages that: the calibration accuracy is high, the automatic measurement is operated, the speed is high, and the efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a calibrator special for a thickness gauge of a steel bar protection layer.
Fig. 2 is a schematic structural diagram of a support plate in the calibrator special for the steel bar protective layer thickness gauge.
Fig. 3 is a schematic structural diagram of a measuring ruler in the calibrator special for the thickness gauge of the steel bar protection layer.
FIG. 4 is an enlarged schematic view of A1 in FIG. 1;
in the drawings: the device comprises a supporting plate 10, a first concrete plate 11, a second concrete plate 12, a steel bar 13, a transverse moving mechanism 14, a lead screw 15, a nut 16, a servo motor 17, a sliding groove 18, a lifter 19, a lifting rod 20, scale marks 21, a pressure sensor 22, a mounting plate 23, a steel bar protection layer thickness instrument 24, a connecting rod 25, an adjusting screw 26, a locking nut 27, a measuring hole 28 and a measuring ruler 29.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 and 3, a structure diagram of a calibrator special for a thickness gauge of a steel bar protection layer provided in an embodiment of the present invention includes: a first concrete plate 11 and a second concrete plate 12; the concrete slab I11 and the concrete slab II 12 have the same size and structure, a plurality of reinforcing steel bars 13 are fixedly clamped between the concrete slab I11 and the concrete slab II 12, two ends of the concrete slab I11 and the concrete slab II 12 are jointly connected with a supporting plate 10 in a lifting sliding mode, the distance between the concrete slab I11 and the concrete slab II 12 is adjusted by sliding the concrete slab I11 and the concrete slab II 12 on the supporting plate 10, the thickness of a protective layer is conveniently clamped and fixedly measured for the reinforcing steel bars 13 with different diameters, a reinforcing steel bar protective layer thickness instrument 24 for measuring the thickness of the reinforcing steel bar protective layer of the concrete slab II 12 is arranged outside one side of the concrete slab I12 away from the reinforcing steel bars 13, a measuring ruler member 29 for measuring the thickness of the reinforcing steel bar protective layer of the concrete slab I11 is arranged outside one side of the concrete slab I11 away from the reinforcing steel bars 13, and a measuring hole 28 which is penetrated and is convenient for measuring the depth of the measuring ruler member 29 is arranged inside the concrete slab I11 corresponding to the vertical position of the reinforcing steel bars 13, the depth of the measuring hole 28 detected by the measuring rule 29 is compared with the thickness measured by the steel bar protective layer thickness meter 24, so that whether the measurement result of the steel bar protective layer thickness meter 24 is accurate or not is judged, and the steel bar protective layer thickness meter 24 is calibrated;
the device comprises a reinforcing steel bar protective layer thickness instrument 24, a measuring rule 29, a lifting machine 19, a transverse moving mechanism 14 and a protective layer thickness measuring device 14, wherein the lifting machine 19 is fixedly arranged at one end, far away from a concrete slab I11 and a concrete slab II 12 at corresponding positions, of the reinforcing steel bar protective layer thickness instrument 24 and the measuring rule 29, the lifting machine 19 is used for adjusting the distance between the reinforcing steel bar protective layer thickness instrument 24 and the measuring rule 29 and the positions, corresponding to the concrete slab II 12 and the concrete slab I11, of the reinforcing steel bar protective layer thickness instrument, the transverse moving mechanism 14 is connected to the other end of the lifting machine 19 and used for driving the lifting machine 19 to horizontally move to drive the reinforcing steel bar protective layer thickness instrument 24 and the measuring rule 29 to measure the protective layer thickness of a plurality of reinforcing steel bars 13 between the concrete slab I11 and the concrete slab II 12, and then the protective layer thickness of a plurality of the groups of reinforcing steel bars 13 is measured and compared, and whether the measuring result of the reinforcing steel bar protective layer thickness instrument 24 is accurate is judged.
Referring to fig. 2 and 4, connecting rods 25 are symmetrically installed at two ends of the first concrete plate 11 and the second concrete plate 12, a longitudinal sliding groove 18 is formed in the inner side of the supporting plate 10 at the tail end of each connecting rod 25, the sliding groove 18 is arranged in a penetrating manner in the horizontal direction, an adjusting screw 26 slidably connected to the inner side of the sliding groove 18 is fixedly connected to the tail end of each connecting rod 25, a locking nut 27 used for limiting the adjusting screw 26 to slide up and down is connected to the adjusting screw 26 arranged on the outer portion of the supporting plate 10 in a threaded manner, and accurate position adjustment of the first concrete plate 11 and the second concrete plate 12 can be guaranteed through sliding and limiting of the adjusting screw 26 and the locking nut 27.
The transverse moving mechanism 14 comprises a lead screw 15 parallel to the first concrete slab 11, one end of the lead screw 15 is rotatably connected to the supporting plate 10, the other end of the lead screw 15 is rotatably connected with a servo motor 17 fixed on the supporting plate 10, a nut 16 is movably connected to the lead screw 15, the lead screw 15 is driven to rotate by starting the servo motor 17, then the nut 16 is driven to move horizontally, and one sides of the two nuts 16, facing the first concrete slab 11 and the second concrete slab 12 at the corresponding positions, are fixedly connected to a lifter 19;
the measuring ruler 29 comprises a lifting rod 20 fixedly connected to the bottom of the lifter 19, scale marks 21 are printed on the lifting rod 20, the lifting rod 20 is driven to lift into the measuring hole 28 by starting the lifter 19, then the depth of the measuring hole 28 is measured through the scale marks 21, meanwhile, a group of pressure sensors 22 are arranged at the bottom end of the lifting rod 20, the pressure sensors 22 move into the measuring hole 28 to be in contact with the reinforcing steel bars 13, then the falling distance of the lifting rod 20 is accurately judged, and then the depth of the measuring hole 28 is accurately measured through the scale marks 21, namely the thickness of a protective layer corresponding to the position of the reinforcing steel bars 13 is the same;
reinforcing bar protective layer thickness appearance 24 includes mounting panel 23 of fixed connection at 19 tip of lift, and reinforcing bar protective layer thickness appearance 24 is installed to the dismantlement formula on mounting panel 23, moves drive scale mark 21 and reinforcing bar protective layer thickness appearance 24 simultaneously through two sets of servo motor 17 and measures the protective layer thickness of the reinforcing bar 13 of same position, then compares measured data to judge steel bar protective layer thickness appearance 24's testing result, calibrate it.
The embodiment of the utility model provides a special calibrator for a thickness gauge of a steel bar protective layer, when in use, a steel bar 13 to be calibrated is placed between a first concrete slab 11 and a second concrete slab 12, then the steel bar 13 is clamped and fixed by sliding adjusting screws 26 at two ends of the first concrete slab 11 and the second concrete slab 12 in sliding grooves 18, then the two sets of servo motors 17 are controlled to run at the same speed to drive measuring ruler members 29 on nuts 16 and a steel bar protective layer thickness gauge 24 to measure the protective layer thickness at the position of the steel bar 13, when the steel bar 13 moves to the longitudinal position of one set of steel bars 13, the elevator 19 is started to drive the steel bar protective layer thickness gauge 24 to move towards the steel bar 13 and drive the lifting rod 20 to fall into a measuring hole 28 corresponding to the position of the steel bar 13, the falling distance of the lifting rod 20 is defined by the pressure sensor 22, then measure the degree of depth of measuring hole 28 through scale mark 21, then compare each other with the thickness of the protective layer of reinforcing bar protective layer thickness appearance 24 measurement, then judge whether the measuring result of reinforcing bar protective layer thickness appearance 24 is accurate, carry out calibration operation to it, simultaneously in order to increase the accuracy of scale mark 21 measurement and the contrast of reinforcing bar protective layer thickness appearance 24 measuring result, through continuous control lifter 20 and reinforcing bar protective layer thickness appearance 24 removal, measure the contrast to the protective layer of a plurality of reinforcing bars 13 positions department, whole analysis reinforcing bar protective layer thickness appearance 24 measuring result.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. Special calibrator of steel bar protection layer thickness appearance, its characterized in that, the special calibrator of steel bar protection layer thickness appearance includes: a first concrete plate and a second concrete plate; the concrete slab I and the concrete slab II have the same size and structure, a plurality of reinforcing steel bars are fixedly clamped between the concrete slab I and the concrete slab II, two ends of the concrete slab I and two ends of the concrete slab II are jointly connected with a supporting plate in a lifting and sliding mode, a reinforcing steel bar protective layer thickness instrument used for measuring the thickness of a reinforcing steel bar protective layer of the concrete slab II is arranged outside one side of the concrete slab II, which is far away from the reinforcing steel bars, a measuring ruler component used for measuring the thickness of the reinforcing steel bar protective layer of the concrete slab I is arranged outside one side of the concrete slab I, which is far away from the reinforcing steel bars, and a measuring hole which penetrates through the vertical position of the reinforcing steel bar in the concrete slab I and is convenient for measuring the depth of the measuring ruler component is formed;
and the other ends of the lifter are connected with a transverse moving mechanism.
2. The calibrator special for the thickness meter of the steel bar protection layer according to claim 1, wherein connecting rods are symmetrically installed at two ends of the first concrete plate and the second concrete plate, a longitudinal sliding groove is formed in the inner side of the support plate at the tail end of each connecting rod, a penetrating structure is arranged in the horizontal direction of each sliding groove, and an adjusting screw rod which is slidably connected inside each sliding groove is fixedly connected to the tail end of each connecting rod.
3. The calibrator special for the thickness meter of the steel bar protection layer according to claim 1, wherein a lock nut for limiting the lifting and sliding of the adjusting screw is in threaded connection with the adjusting screw outside the supporting plate.
4. The calibrator special for the thickness meter of steel bar protection layer according to claim 1, wherein the lateral movement mechanism comprises a screw rod parallel to the concrete slab, one end of the screw rod is rotatably connected to the support plate, the other end of the screw rod is rotatably connected to a servo motor fixed on the support plate, and a nut is movably connected to the screw rod.
5. The calibrator special for the thickness gauge of the steel bar protection layer according to claim 4, wherein the measuring ruler comprises a lifting rod fixedly connected to the bottom of the elevator, and scale marks are printed on the lifting rod.
6. The calibrator special for the thickness gauge of steel bar protection layer according to claim 5, wherein a set of pressure sensors is disposed at the bottom end of the lifting rod.
7. The calibrator special for the thickness meter of the steel bar protection layer according to claim 1, wherein the thickness meter of the steel bar protection layer comprises a mounting plate fixedly connected to the end of the elevator, and the thickness meter of the steel bar protection layer is detachably mounted on the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122454052.4U CN216115769U (en) | 2021-10-12 | 2021-10-12 | Special calibrator for thickness meter of steel bar protective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122454052.4U CN216115769U (en) | 2021-10-12 | 2021-10-12 | Special calibrator for thickness meter of steel bar protective layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216115769U true CN216115769U (en) | 2022-03-22 |
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ID=80692061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122454052.4U Active CN216115769U (en) | 2021-10-12 | 2021-10-12 | Special calibrator for thickness meter of steel bar protective layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216115769U (en) |
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2021
- 2021-10-12 CN CN202122454052.4U patent/CN216115769U/en active Active
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