CN114113556B - Calibration device for measuring concrete carbonization depth and method of using the same - Google Patents
Calibration device for measuring concrete carbonization depth and method of using the same Download PDFInfo
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- CN114113556B CN114113556B CN202111449380.3A CN202111449380A CN114113556B CN 114113556 B CN114113556 B CN 114113556B CN 202111449380 A CN202111449380 A CN 202111449380A CN 114113556 B CN114113556 B CN 114113556B
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- 238000003763 carbonization Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000006872 improvement Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- Engineering & Computer Science (AREA)
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a calibrating device of a concrete carbonization depth measuring instrument, which comprises a fixed base, a power mechanism and a calibrating mechanism, wherein an installation frame is arranged on the upper end face of the fixed base, a control box is arranged on the outer side face of one side of the installation frame, a semiconductor refrigerating sheet is arranged on the upper end face inside the installation frame, the control box is in control connection with the semiconductor refrigerating sheet, two sides of the upper end face of the fixed base are provided with fixed plates inside the installation frame, and a temperature sensor is arranged on the side face of one side of the fixed plates. The invention has the advantages of simple structure, reasonable design, convenient operation and low calibration cost, can rapidly and effectively detect zero error, indication error and indication repeatability of the concrete carbonization depth measuring instrument, does not need to repeatedly debug the position and angle of the concrete carbonization depth measuring instrument, improves the detection efficiency, lightens the burden of staff, can ensure that the detection temperature is constant at 20 (+ -5 ℃), and improves the calibration accuracy.
Description
Technical Field
The invention relates to the technical field of concrete detection equipment, in particular to a calibrating device of a concrete carbonization depth measuring instrument and a using method thereof.
Background
The concrete carbonization depth measuring instrument is mainly used for detecting an instrument of concrete carbonization depth, when the instrument is used for measuring, the base plane of the instrument is tightly attached to the smooth concrete surface on one side of a hole, when the concrete surface around the hole is not smooth, the instrument is ground by a grinding wheel so as not to cause measurement errors, the position of the instrument is moved to enable a contact pin to be close to the wall of the hole, meanwhile, the contact pin is used for moving up and down until the contact pin stays at the boundary between carbonized and non-carbonized layers, when the contact pin stays at the measured depth of the wall of the hole, a pointer indicates a scale on a graduated scale, namely the carbonization depth value, the reading is accurate to 0.25 millimeter, when the condition is unfavorable, the contact pin can be locked by pressing a button, and the instrument is moved to other positions for reading.
The prior art has the following defects:
when the concrete carbonization depth measuring instrument is calibrated, manual calibration is needed, the calibration efficiency is low, meanwhile, errors are easy to generate due to manual operation, certain requirements are met on temperature in the process of calibration and detection, isothermal treatment needs to be ensured, more design equipment is high in cost, and the operation is complex.
Disclosure of Invention
The invention aims to provide a calibrating device of a concrete carbonization depth measuring instrument and a using method thereof, so as to solve the problems in the background art.
The calibrating device comprises a fixed base, a power mechanism and a calibrating mechanism, wherein an installation frame is arranged on the upper end face of the fixed base, a control box is arranged on the outer side face of one side of the installation frame, a semiconductor refrigerating sheet is arranged on the upper end face of the inner part of the installation frame, the control box is in control connection with the semiconductor refrigerating sheet, two sides of the upper end face of the fixed base are provided with fixed plates in the installation frame, a temperature sensor is arranged on the side face of one side of the fixed plate, and the control box is electrically connected with the temperature sensor;
the power mechanism is arranged on the fixing plate and is positioned in the mounting frame, and the calibration mechanism is arranged on the power mechanism.
As a further improvement of the invention, the power mechanism consists of a supporting plate, a servo motor, a screw rod, a first mounting ring, a first mounting plate, a second mounting ring, a second mounting plate and a plurality of ball nuts, wherein the supporting plate is arranged on the side surface of one side of the fixed plate, the servo motor is arranged on the upper end surface of the supporting plate, the control box is in control connection with the servo motor, the screw rod is movably arranged between the fixed plates, the servo motor is in transmission connection with the screw rod, the two ends of the screw rod are respectively provided with the first mounting ring and the second mounting ring, the first mounting plate and the second mounting plate are respectively arranged on the lower end surface of the first mounting ring and the lower end surface of the second mounting ring, and the ball nuts are in threaded connection with the two sides of the first mounting ring and the second mounting ring on the screw rod.
As a further improvement of the invention, the calibration mechanism consists of a fixed clamping plate, a first electric telescopic rod, a movable clamping plate, a flat plate, a second electric telescopic rod, a mounting block and a gauge block, wherein the side surface of the first mounting plate, which is close to one side of the second mounting plate, is provided with the fixed clamping plate, the side surface of the other side of the first mounting plate is provided with the first electric telescopic rod, the upper end of the first electric telescopic rod is provided with the movable clamping plate, the side surface of the second mounting plate, which is close to one side of the first mounting plate, is provided with the flat plate, the lower end of the flat plate is provided with the second electric telescopic rod, the upper end of the second electric telescopic rod is provided with the mounting block, the upper end surface of the mounting block is provided with the gauge block, and the control box is respectively connected with the first electric telescopic rod and the second electric telescopic rod in a control mode.
As a further improvement of the invention, a plurality of supporting feet are arranged on the lower end face of the fixed base, guide rails are arranged on the upper end face of the fixed base on two sides of the first mounting plate, and two sides of the lower ends of the first mounting plate and the second mounting plate are in sliding connection with sliding grooves arranged on the guide rails through sliding blocks.
As a further improvement of the invention, a transparent glass door is arranged on the side surface of one side of the mounting frame, and a plurality of LED light bars are arranged on the side surface of one side of the mounting frame away from the transparent glass door.
As a further improvement of the invention, the screw threads on the screw rod are arranged in a mirror image manner, the center of the screw rod is provided with a reinforcing ring, and the upper end of the reinforcing ring is arranged on the upper end surface of the inside of the mounting frame.
As a further improvement of the invention, a plurality of supporting rods are arranged on the side surfaces of the first mounting plate and the fixed plate, the upper ends of the supporting rods are arranged on the upper end surfaces of the supporting plate and the fixed clamping plate, and the first mounting plate is provided with grooves matched with the movable clamping plate.
As a further improvement of the invention, the second mounting plate is provided with a buffer part at the upper end of the flat plate, the buffer part comprises a mounting frame and a plurality of buffer springs, the second mounting plate is provided with the mounting frame, and the mounting frame is provided with the plurality of buffer springs.
As a further improvement of the invention, rubber sleeves are arranged on the upper end face of the fixed clamping plate and the lower end face of the movable clamping plate, the flat plate is a two-stage flat plate, and the gauge block is five equal gauge blocks.
The invention also provides a using method of the calibrating device of the concrete carbonization depth measuring instrument, which comprises the following steps:
Firstly, placing a concrete carbonization depth measuring instrument to be detected on the upper end surface of a fixed clamping plate, then starting a first electric telescopic rod to shrink, installing and fixing the concrete carbonization depth measuring instrument through the fixed clamping plate and a movable clamping plate, controlling the work of a semiconductor refrigerating sheet through a control box, controlling the temperature to be 20 (+ -5 ℃) and carrying out isothermal balance for 15-25 min, and feeding back the temperature in real time through a temperature sensor;
Zero error detection, namely starting a servo motor to drive a screw rod to rotate, pushing a first mounting plate and a second mounting plate to move in opposite directions through ball nuts until the detection end of the concrete carbonization depth measuring instrument is contacted with a flat plate, closing the servo motor, enabling a reference surface of the concrete carbonization depth measuring instrument and a contact pin to be contacted with the flat plate at the same time, and observing the coincidence of a pointer and a zero scale mark;
The method comprises the steps of calibrating a marking error, starting a servo motor to drive a screw rod to rotate, pushing a first mounting plate and a second mounting plate to move reversely through a ball nut, starting a second electric telescopic rod, extending upwards through the second electric telescopic rod to enable a gauge block to contact a flat plate, pushing the first mounting plate and the second mounting plate to move oppositely through the ball nut, enabling a reference surface of a concrete carbonization depth measuring instrument to contact a measuring surface of the gauge block, enabling a contact pin to contact the flat plate to obtain a measured value S1 of the concrete carbonization depth measuring instrument, repeatedly measuring the actual size S2 of the gauge block for 3 times, and respectively obtaining a measurement maximum value B1, a measurement minimum value B2 and a range coefficient Q;
Error of indication a1=s1-S1
Value repeatability a2= (B1-B2)/Q.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the power mechanism, the power mechanism consists of the supporting plate, the servo motor, the screw rod, the first mounting ring, the first mounting plate, the second mounting ring, the second mounting plate and a plurality of ball nuts, and the calibration can be automatically adjusted by the action of the power mechanism without repeatedly debugging the position and the angle of the concrete carbonization depth measuring instrument, so that the detection efficiency is improved, and the burden of staff is lightened;
2. The invention is provided with the calibration mechanism, the calibration mechanism consists of the fixed clamping plate, the first electric telescopic rod, the movable clamping plate, the flat plate, the second electric telescopic rod, the mounting block and the gauge block, and zero error, indication error and indication repeatability of the concrete carbonization depth measuring instrument can be rapidly and effectively detected through the action of the calibration mechanism;
3. According to the invention, the semiconductor refrigerating sheet is arranged on the upper end surface in the mounting frame, the control box is in control connection with the semiconductor refrigerating sheet, the temperature sensor is arranged on the side surface of one side of the fixing plate, and the control box is electrically connected with the temperature sensor, so that the detection temperature can be ensured to be constant at 20 (+ -5 ℃), and the calibration accuracy is improved.
Drawings
FIG. 1 is an overall perspective view of a calibration device for a concrete carbonization depth gauge;
FIG. 2 is a schematic diagram showing the whole internal structure of a calibrating device of a concrete carbonization depth measuring instrument;
FIG. 3 is a rear perspective view of the whole calibration device of the concrete carbonization depth gauge;
FIG. 4 is a perspective view of the first and second mounting plates of a calibration device for a concrete carbonization depth gauge;
FIG. 5 is a top view of a second mounting plate of a calibration device for a concrete carbonization depth gauge;
FIG. 6 is a cross-sectional view of a first mounting plate and movable clamp plate of a calibrating device for a concrete carbonization depth gauge.
The device comprises a fixed base, 101, supporting legs, 102, a guide rail, 2, a power mechanism, 21, a supporting plate, 22, a servo motor, 23, a screw rod, 24, a first mounting ring, 25, a first mounting plate, 251, a supporting rod, 26, a second mounting ring, 27, a second mounting plate, 28, a ball nut, 3, a calibration mechanism, 31, a fixed clamping plate, 32, a first electric telescopic rod, 33, a movable clamping plate, 34, a flat plate, 35, a second electric telescopic rod, 36, a mounting block, 37, a gauge block, 4, a mounting frame, 41, a transparent glass door, 42, an LED lamp strip, 5, a control box, 6, a semiconductor refrigerating sheet, 7, a fixed plate, 8, a temperature sensor, 9, a reinforcing ring, 10, a mounting frame, 11 and a buffer spring.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted," "connected," or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have the orientation specific to the specification, be constructed and operated in the specific orientation, and thus should not be construed as limiting the present invention.
As a further refinement of the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
Referring to fig. 1-6, the invention provides a technical scheme that a calibrating device of a concrete carbonization depth measuring instrument comprises a fixed base 1, a power mechanism 2 and a calibrating mechanism 3, wherein an installation frame 4 is welded on the upper end surface of the fixed base 1, a control box 5 is arranged on the outer side surface of one side of the installation frame 4 through bolts, a semiconductor refrigerating sheet 6 is arranged on the upper end surface of the inner part of the installation frame 4 through bolts, the control box 5 is in control connection with the semiconductor refrigerating sheet 6 through wires, the semiconductor refrigerating sheet 6 is controlled to work through the control box 5, so that the temperature inside the installation frame 4 is constant, a fixed plate 7 is arranged on two sides of the upper end surface of the fixed base 1 inside the installation frame 4 through bolts, a temperature sensor 8 is arranged on one side surface of the fixed plate 7 through bolts, and the control box 5 is electrically connected with the temperature sensor 8 through wires, so that the temperature inside the installation frame 4 is conveniently monitored;
The power mechanism 2 is arranged inside the mounting frame 4 and is mounted on the fixed plate 7, and the calibration mechanism 3 is mounted on the power mechanism 2.
In some embodiments of the present invention, the power mechanism 2 is composed of a supporting plate 21, a servo motor 22, a screw rod 23, a first mounting ring 24, a first mounting plate 25, a second mounting ring 26, a second mounting plate 27 and a plurality of ball nuts 28, wherein the supporting plate 21 is welded on one side surface of the fixed plate 7, the servo motor 22 is mounted on the upper end surface of the supporting plate 21 through bolts, the control box 5 is connected with the servo motor 22 through a wire control, the screw rod 23 is mounted between the fixed plates 7 through bearings, the servo motor 22 is connected with the screw rod 23 through a gear transmission, two ends of the screw rod 23 are respectively sleeved with the first mounting ring 24 and the second mounting ring 26, the first mounting plate 25 and the second mounting plate 27 are respectively welded on the lower end surface of the first mounting ring 24 and the lower end surface of the second mounting ring 26, the ball nuts 28 are respectively connected on two sides of the first mounting ring 24 and the second mounting ring 26 on the screw rod 23, when the concrete carbonization depth measuring instrument is placed on the upper end surface of the fixed clamping plate 31 in a calibrated, then the first electric telescopic rod 32 is started to shrink, the concrete is pushed by the fixed clamping plate 31 and the movable clamping plate 33 to drive the first mounting plate 22 to rotate until the first mounting plate and the ball nuts and the second mounting plate 28 are in contact with the concrete depth measuring instrument, and the first mounting plate is detected by the ball nuts and the first mounting plate and the second mounting plate and the ball nuts are moved to the first mounting plate and the first mounting ring and the second mounting plate and the concrete.
In some embodiments of the present invention, the calibration mechanism 3 is composed of a fixed clamping plate 31, a first electric telescopic rod 32, a movable clamping plate 33, a flat plate 34, a second electric telescopic rod 35, a mounting block 36 and a gauge block 37, wherein the fixed clamping plate 31 is welded on the side surface of the first mounting plate 25, which is close to one side of the second mounting plate 27, the first electric telescopic rod 32 is mounted on the side surface of the other side of the first mounting plate 25 through bolts, the movable clamping plate 33 is mounted on the upper end of the first electric telescopic rod 32 through bolts, the flat plate 34 is mounted on the side surface of the second mounting plate 27, the second electric telescopic rod 35 is mounted on the lower end of the flat plate 34 through bolts, the mounting block 36 is mounted on the upper end of the second electric telescopic rod 35 through bolts, the gauge block 37 is mounted on the upper end surface of the mounting block 36 through bolts, the control box 5 is respectively in control connection with the first electric telescopic rod 32 and the second electric telescopic rod 35, the reference surface and the contact pin of the gauge for the depth of concrete are simultaneously contacted with the flat plate 34, the coincidence of the observation pointer and the zero scale line is simultaneously started, the second electric telescopic rod 35 is mounted on the side surface of the second mounting plate 27, the second electric telescopic rod 27 is contacted with the flat plate 34 through bolts, the second electric telescopic rod 35 is then contacted with the gauge ball 37 and the flat plate 37 is contacted with the upper surface of the gauge block, and the gauge block 37 is contacted with the upper surface of the gauge plate 37, and then is contacted with the gauge plate 37.
In some embodiments of the present invention, a plurality of supporting feet 101 are welded on the lower end surface of the fixed base 1, the upper end surface of the fixed base 1 is welded with a guide rail 102 on both sides of the first mounting plate 25, and both sides of the lower ends of the first mounting plate 25 and the second mounting plate 27 are slidably connected with a sliding groove formed on the guide rail 102 through a welding slider, so that the first mounting plate 25 and the second mounting plate 27 can move along a specified direction.
In some embodiments of the present invention, the transparent glass door 41 is mounted on the side surface of the side of the mounting frame 4 through a hinge, so that the transparent glass door 41 is convenient to observe, and the plurality of LED light bars 42 are mounted on the side surface of the side of the mounting frame 4 away from the transparent glass door 41 through bolts, so that the light intensity inside the mounting frame 4 is increased.
In some embodiments of the present invention, the threads on the screw rod 23 are distributed in a mirror image manner, the center of the screw rod 23 is sleeved with the reinforcing ring 9, so that stability of the screw rod 23 can be improved, and the upper end of the reinforcing ring 9 is mounted on the upper end surface inside the mounting frame 4 through bolts.
In some embodiments of the present invention, a plurality of supporting rods 251 are welded on the side surfaces of the first mounting plate 25 and the fixed plate 7, and the upper ends of the supporting rods 251 are welded on the upper end surfaces of the supporting plate 21 and the fixed clamping plate 31, so that the stability of the supporting plate 21 and the fixed clamping plate 31 can be improved, and the first mounting plate 25 is provided with grooves matched with the movable clamping plate 33.
In some embodiments of the present invention, the second mounting plate 27 is provided with a buffer member at the upper end of the slab 34, the buffer member comprises a mounting frame 10 and a plurality of buffer springs 11, the mounting frame 10 is mounted on the second mounting plate 27 through bolts, and the plurality of buffer springs 11 are mounted on the mounting frame 10, so that buffering is facilitated, and the detection end of the concrete carbonization depth measuring instrument is prevented from being in hard contact with the slab 34.
In some embodiments of the present invention, rubber sleeves are connected to the upper end surface of the fixed clamping plate 31 and the lower end surface of the movable clamping plate 33 by soaking and melting, so as to perform certain pressure buffering, the flat plate 34 is a two-stage flat plate, and the gauge block 37 is five equal gauge blocks.
The invention also provides a using method of the calibrating device of the concrete carbonization depth measuring instrument, which comprises the following steps:
firstly, placing a concrete carbonization depth measuring instrument to be detected on the upper end surface of a fixed clamping plate 31, then starting a first electric telescopic rod 32 to shrink, installing and fixing the concrete carbonization depth measuring instrument through the fixed clamping plate 31 and a movable clamping plate 33, simultaneously controlling the semiconductor refrigerating plate 6 to work through a control box 5, controlling the temperature to be 20 (+ -5 ℃) and carrying out isothermal balance for 15 to 25 minutes, and feeding back the temperature in real time through a temperature sensor 8;
Zero error detection, starting a servo motor 22 to drive a screw rod 23 to rotate, pushing a first mounting plate 25 and a second mounting plate 27 to move in opposite directions through a ball nut 28 until the detection end of the concrete carbonization depth measuring instrument is contacted with a flat plate 34, closing the servo motor 22 to enable a datum plane and a contact pin of the concrete carbonization depth measuring instrument to be simultaneously contacted with the flat plate 34, and observing the coincidence of a pointer and a zero scale mark;
The marking error is calibrated, the servo motor 22 is started to drive the screw rod 23 to rotate, the first mounting plate 25 and the second mounting plate 27 are pushed to move reversely through the ball nut 28, then the second electric telescopic rod 35 is started, the gauge block 37 is contacted with the flat plate 34 through upward extension of the second electric telescopic rod 35, then the first mounting plate 25 and the second mounting plate 27 are pushed to move oppositely through the ball nut 28, the reference surface of the concrete carbonization depth measuring instrument is contacted with the measuring surface of the gauge block 37, the contact pin is contacted with the flat plate 34, the measured value S1 of the concrete carbonization depth measuring instrument is obtained, the actual size S2 of the gauge block is repeatedly measured for 3 times, and the measured maximum value B1 and the minimum value B2 and the range coefficient Q are respectively obtained;
Error of indication a1=s1-S1
Value repeatability a2= (B1-B2)/Q.
In this device, this device convenient operation, calibration cost is low, can detect zero position error, indication error and indication repeatability of concrete carbonization degree of depth measuring apparatu fast effectively, need not debug position and the angle of concrete carbonization degree of depth measuring apparatu repeatedly, improves detection efficiency, lightens staff's burden, can guarantee simultaneously that the detected temperature is invariable at 20 (+ -5 ℃) degree of temperature, improves the accuracy of calibration.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A calibrating device of a concrete carbonization depth measuring instrument comprises a fixed base (1), a power mechanism (2) and a calibrating mechanism (3), and is characterized in that a mounting frame (4) is arranged on the upper end face of the fixed base (1), a control box (5) is arranged on the outer side face of one side of the mounting frame (4), a semiconductor refrigerating sheet (6) is arranged on the upper end face of the inner part of the mounting frame (4), the control box (5) is in control connection with the semiconductor refrigerating sheet (6), fixing plates (7) are arranged on two sides of the upper end face of the fixed base (1) in the inner part of the mounting frame (4), a temperature sensor (8) is arranged on one side face of the fixing plates (7), the control box (5) is electrically connected with the temperature sensor (8), the power mechanism (2) is arranged on the fixing plates (7) in the inner part of the mounting frame (4), the calibrating mechanism (3) is arranged on the power mechanism (2), the power mechanism (2) is composed of a supporting plate (21), a servo motor (22), a first screw (24), a first mounting plate (26), a plurality of ball bearings (27) and a plurality of mounting plates (27) are arranged on one side face of the first mounting plates (27), the utility model discloses a motor-driven device, including a support plate (21), a control box (5), a servo motor (22), a control box (5), a control box (26), a control box (25), a control box (26), a control box (23), a control box (7), a control box (22), a servo motor (22) and a screw (23), a first mounting ring (24) and a second mounting ring (26) are respectively arranged at two ends of the screw (23), a first mounting plate (25) and a second mounting plate (27) are respectively arranged on the lower end surface of the first mounting ring (24) and the lower end surface of the second mounting ring (26), ball nuts (28) are respectively connected to two sides of the first mounting ring (24) and the second mounting ring (26) on the screw (23), a calibration mechanism (3) is composed of a fixed clamping plate (31), a movable clamping plate (32), a flat plate (34), a second electric telescopic rod (35), a mounting block (36) and a second mounting plate (37), a first mounting plate (25) are respectively arranged on one side of the second mounting plate (27), a side of the first mounting plate (25), a movable clamping plate (32), the utility model discloses a motor vehicle, including first mounting panel (25), second mounting panel (27), control box (5), first mounting panel (25) are provided with dull and stereotyped (34) on the side of second mounting panel (27) near first mounting panel (25) one side, be provided with second electric telescopic handle (35) on the lower extreme of dull and stereotyped (34), the upper end of second electric telescopic handle (35) is provided with installation piece (36), be provided with gauge block (37) on the up end of installation piece (36), control box (5) respectively with first electric telescopic handle (32) and second electric telescopic handle (35) control connection.
2. The calibrating device for the concrete carbonization depth measuring instrument according to claim 1, wherein a plurality of supporting feet (101) are arranged on the lower end face of the fixed base (1), guide rails (102) are arranged on the upper end face of the fixed base (1) on two sides of the first mounting plate (25), and the two sides of the lower ends of the first mounting plate (25) and the second mounting plate (27) are in sliding connection with sliding grooves arranged on the guide rails (102) through sliding blocks.
3. The calibrating device for the concrete carbonization depth measuring instrument according to claim 1, wherein a transparent glass door (41) is arranged on the side surface of one side of the mounting frame (4), and a plurality of LED light bars (42) are arranged on the side surface of one side of the mounting frame (4) away from the transparent glass door (41).
4. The calibrating device for the concrete carbonization depth measuring instrument according to claim 1, wherein threads on the screw rod (23) are arranged in a mirror image mode, a reinforcing ring (9) is arranged in the center of the screw rod (23), and the upper end of the reinforcing ring (9) is arranged on the upper end face inside the mounting frame (4).
5. The calibrating device for the concrete carbonization depth measuring instrument according to claim 1, wherein a plurality of supporting rods (251) are arranged on the side surfaces of the first mounting plate (25) and the fixed plate (7), the upper ends of the supporting rods (251) are arranged on the upper end surfaces of the supporting plates (21) and the fixed clamping plates (31), and grooves matched with the movable clamping plates (33) are arranged on the first mounting plate (25).
6. The calibrating device of the concrete carbonization depth measuring instrument according to claim 1, wherein a buffer member is arranged at the upper end of the flat plate (34) on the second mounting plate (27), the buffer member comprises a mounting frame (10) and a plurality of buffer springs (11), the mounting frame (10) is arranged on the second mounting plate (27), and the plurality of buffer springs (11) are arranged on the mounting frame (10).
7. The calibrating device for the concrete carbonization depth measuring instrument according to claim 1, wherein rubber sleeves are arranged on the upper end face of the fixed clamping plate (31) and the lower end face of the movable clamping plate (33), the flat plate (34) is a two-stage flat plate, and the gauge block (37) is a five-equal gauge block.
8. A method for using the calibration device of a concrete carbonization depth gauge according to any one of claims 1 to 6, comprising the steps of:
firstly, placing a concrete carbonization depth measuring instrument to be detected on the upper end surface of a fixed clamping plate (31), then starting a first electric telescopic rod (32) to shrink, installing and fixing the concrete carbonization depth measuring instrument through the fixed clamping plate (31) and a movable clamping plate (33), controlling a semiconductor refrigerating sheet (6) to work through a control box (5), controlling the temperature to be 20 (+ -5 ℃) and carrying out isothermal balance for 15-25 min, and feeding back the temperature in real time through a temperature sensor (8);
Zero error detection, starting a servo motor (22) to drive a screw rod (23) to rotate, pushing a first mounting plate (25) and a second mounting plate (27) to move in opposite directions through a ball nut (28) until the detection end of the concrete carbonization depth measuring instrument is contacted with a flat plate (34), closing the servo motor (22), enabling a datum plane and a contact pin of the concrete carbonization depth measuring instrument to be simultaneously contacted with the flat plate (34), and observing the coincidence of a pointer and a zero scale mark;
The marking error is calibrated, a servo motor (22) is started to drive a screw rod (23) to rotate, a ball nut (28) is used for pushing a first mounting plate (25) and a second mounting plate (27) to move reversely, then a second electric telescopic rod (35) is started, a gauge block (37) is contacted with a flat plate (34) through upward extension of the second electric telescopic rod (35), then the ball nut (28) is used for pushing the first mounting plate (25) and the second mounting plate (27) to move oppositely, a datum plane of a concrete carbonization depth measuring instrument is contacted with a measuring surface of the gauge block (37), a contact pin is contacted with the flat plate (34), a measured value S1 of the concrete carbonization depth measuring instrument is obtained, the actual dimension S2 of the gauge block is repeatedly measured for 3 times, and a measured maximum value B1 and a measured minimum value B2 and a range coefficient Q are respectively obtained;
Error of indication a1=s1-S1
Value repeatability a2= (B1-B2)/Q.
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| CN114935305A (en) * | 2022-06-30 | 2022-08-23 | 包头市检验检测中心 | Carbonization depth measuring instrument calibration device and method |
| CN118836811A (en) * | 2023-04-24 | 2024-10-25 | 宁德时代新能源科技股份有限公司 | Thickness detection device and thickness detection method |
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| CN109708557A (en) * | 2018-12-29 | 2019-05-03 | 贵州航天计量测试技术研究所 | A kind of calibrating installation of concrete carburized depth meter |
| CN210305123U (en) * | 2019-04-12 | 2020-04-14 | 六安市叶集区庆源铝业科技有限公司 | Aluminum template plane correcting device |
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| CN214151449U (en) * | 2021-02-02 | 2021-09-07 | 长春晖阳科研仪器有限公司 | Automatic calibration device for load measurement of multi-CPU digital controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109708557A (en) * | 2018-12-29 | 2019-05-03 | 贵州航天计量测试技术研究所 | A kind of calibrating installation of concrete carburized depth meter |
| CN210305123U (en) * | 2019-04-12 | 2020-04-14 | 六安市叶集区庆源铝业科技有限公司 | Aluminum template plane correcting device |
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