CN116734709A - Glass flatness measuring device - Google Patents
Glass flatness measuring device Download PDFInfo
- Publication number
- CN116734709A CN116734709A CN202310485112.XA CN202310485112A CN116734709A CN 116734709 A CN116734709 A CN 116734709A CN 202310485112 A CN202310485112 A CN 202310485112A CN 116734709 A CN116734709 A CN 116734709A
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- glass
- measuring
- measured
- test bench
- flatness
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- 239000011521 glass Substances 0.000 title claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 238000005259 measurement Methods 0.000 claims abstract description 54
- 238000007689 inspection Methods 0.000 claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims description 34
- 239000000523 sample Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present disclosure provides a glass flatness measurement apparatus, comprising: the inspection bench is used for placing glass to be tested; the measuring mechanism is movably arranged above the inspection table and used for carrying out continuous sampling point measurement on glass to be measured; and the driving mechanism is arranged on the inspection table and used for driving the measuring mechanism to move. The measuring mechanism is movably arranged above the inspection table, so that the glass flatness can be measured at continuous sampling points, and the measuring precision is improved; the number of measured sampling points is multiplied through a plurality of measuring mechanisms, so that the accuracy of a measuring result is further improved; the measuring mechanism can move in the vertical direction and the vertical direction, so that the flatness of glass with different specifications is measured, and the application range is improved.
Description
Technical Field
The disclosure relates to the technical field of glass measurement equipment, in particular to a glass flatness measurement device.
Background
At present, with the wide application of glass in various fields, the market demand for glass is increasing, and higher requirements are also put forward for the production, processing and manufacturing of glass, so that the glass is required to have high dimensional accuracy, small equipment error, high strength and rigidity, uniform material and surface flatness. The traditional glass flatness detection generally adopts artificial naked eyes and a graduated scale for observation, and has the advantages of large measurement error, high artificial labor intensity and low working efficiency.
To this end, prior art 1 proposes a roughness detection device (CN 107036514A) for glass production, including support body and detection mechanism, still include the compact heap, the compact heap interval sets up between two adjacent detection mechanism, detection mechanism includes the mount, detect the frame and detect the extension board, detect the extension board and be connected with the mount through detecting the frame, the surface of detecting the frame is provided with the scale, be provided with the removal draw-in groove on detecting the frame, be provided with the I-shaped slug on detecting the top surface of extension board, I-shaped slug embedding is in the removal draw-in groove, reciprocates along the removal draw-in groove, be provided with the horizontal detection piece on the bottom surface of detection extension board. The utility model has the advantages of strong practicality, reasonable structural design, convenient use, more convenient use and operation, and can measure a plurality of points on the surface of the glass through a plurality of detection mechanisms, and then take the average value of the measured values, thereby effectively improving the accuracy performance of the measurement of the flatness of the glass, reducing the measurement error, simultaneously rapidly reading the measured value through the graduated scale, shortening the measurement time and improving the working efficiency.
The prior art 2 provides a glass panel flatness rapid measuring device (CN 207963807U), which comprises a measuring frame, wherein the measuring frame is composed of an upper carrier plate and a lower carrier plate, a measuring station for placing a sample to be measured is arranged on the upper carrier plate, a plurality of laser displacement sensors are arranged on the lower carrier plate, the laser displacement sensors collect the height difference between the measuring point of the sample to be measured and a reference plane during measurement, the flatness measuring efficiency and measuring precision are improved, an X-axis displacement mechanism and a Y-axis displacement mechanism are arranged on the lower carrier plate, an X-axis guide rod and a Y-axis guide rod capable of carrying out displacement in the X-axis direction and the Y-axis direction are respectively arranged on the X-axis displacement mechanism and the Y-axis displacement mechanism, and the laser displacement sensors are arranged on the X-axis guide rod and the Y-axis guide rod, so that the laser displacement sensors can be flexibly adjusted according to the size of the sample to be measured.
According to the prior art, although accuracy and efficiency of glass flatness measurement can be improved through the flatness detection device, the problems that the number of measured sampling points is limited, continuous sampling point measurement cannot be achieved and the requirement of higher measurement precision cannot be met along with the increasing requirement of the market on glass flatness precision exist in the prior art. Based on this, how to realize continuous spot measurements to meet the requirements of higher measurement accuracy is a matter of concern for the person skilled in the art.
Disclosure of Invention
One technical problem to be solved by the present disclosure is how to realize continuous sampling points to meet the requirement of higher measurement accuracy of glass flatness.
To solve the above technical problem, an embodiment of the present disclosure provides a glass flatness measurement apparatus, including: the inspection bench is used for placing glass to be tested; the measuring mechanism is movably arranged above the inspection table and used for carrying out continuous sampling point measurement on glass to be measured; and the driving mechanism is arranged on the inspection table and used for driving the measuring mechanism to move.
In some embodiments, the measuring mechanism includes a plurality of measuring mechanisms arranged in a row and movably disposed above the inspection stage in a direction perpendicular to the arrangement direction.
In some embodiments, the drive mechanism includes a lead screw disposed on the inspection station and arranged in a vertical direction, and a test station slidably disposed on the lead screw, the plurality of measurement mechanisms being disposed on the test station.
In some embodiments, the measuring mechanism includes a dial indicator disposed on the test stand and having a probe that can abut the upper surface of the glass to be measured.
In some embodiments, the measuring mechanism further comprises a height gauge disposed on the test stand, the dial gauge being movably disposed on the height gauge in a vertical direction.
In some embodiments, the drive mechanism further comprises a motor coupled to the lead screw for driving the lead screw.
In some embodiments, the test bench further comprises a guide rail, wherein the guide rail is arranged on the test bench and parallel to the screw rod, and two ends of the test bench are respectively arranged on the guide rail and the screw rod in a sliding manner.
In some embodiments, the glass inspection device further comprises a limiting mechanism for controlling the position of the glass to be inspected, wherein the limiting mechanism comprises a limiting piece and a sliding rod, the sliding rod is arranged on the inspection bench, one end of the limiting piece is in sliding connection with the sliding rod, and the other end of the limiting piece abuts against the glass to be inspected.
In some embodiments, the limit mechanism further comprises a locking mechanism disposed on the limit tab for locking the limit tab in a predetermined position on the slide bar.
In some embodiments, a sensor for detecting the position of the measuring mechanism is also included, the sensor being disposed on the inspection station.
According to the technical scheme, the glass flatness measuring device is provided, and the measuring mechanism is movably arranged above the inspection bench, so that the glass flatness can be measured at a continuous sampling point, and the measuring precision is improved; the number of measured sampling points is multiplied through a plurality of measuring mechanisms, so that the accuracy of a measuring result is further improved; the measuring mechanism can move in the vertical direction and the vertical direction, so that the flatness of glass with different specifications is measured, and the application range is improved.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a glass flatness measuring device disclosed in an embodiment of the present disclosure;
FIG. 2 is a top view of a glass flatness measurement device disclosed in an embodiment of the present disclosure;
FIG. 3 is a front view of a glass flatness measuring device disclosed in an embodiment of the present disclosure;
fig. 4 is a side view of a glass flatness measuring device as disclosed in an embodiment of the present disclosure.
Reference numerals illustrate:
1. a test bench; 2. a measuring mechanism; 3. a driving mechanism; 4. a guide rail; 5. a limiting mechanism; 6. a sensor; 21. a dial indicator; 22. a height ruler; 31. a screw rod; 32. a test bench; 33. a motor; 51. a limiting piece; 52. and a slide bar.
Detailed Description
Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.
The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.
It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.
As mentioned in the above background art, although accuracy and efficiency of glass flatness measurement can be improved by the flatness detecting device, there is a problem that the number of measured sampling points is limited, continuous sampling point measurement cannot be realized, and accuracy and precision of measurement are to be further improved. Accordingly, the inventors of the present utility model have provided, in one or more embodiments, a glass flatness measuring device that enables continuous spot measurement of glass flatness by a measuring mechanism movably disposed above a test stand, improving the accuracy and precision of the measurement results, which is believed to solve one or more of the problems in the prior art. Meanwhile, as will be appreciated by those skilled in the art, the glass flatness measuring device of the present utility model is also applicable to flatness measurement of other products.
In view of the foregoing technical problems, the present utility model provides a glass flatness measurement apparatus, as shown in fig. 1, including: the test bench 1, the test bench 1 is used for placing glass to be tested; the measuring mechanism 2 is movably arranged above the inspection bench 1 and is used for carrying out continuous sampling point measurement on glass to be measured; and a driving mechanism 3, the driving mechanism 3 being provided on the inspection stage 1 for driving the measuring mechanism 2 to move.
The specific working principle is as follows: firstly, placing glass to be tested on a test bench 1, starting a driving mechanism 3, driving a measuring mechanism 2 to move above the glass to be tested by the driving mechanism 3, measuring continuous sampling points of the glass to be tested in the moving process, transmitting measured data to a data processing system, and calculating bow degree and waveform degree of the glass to be tested by a data processing system.
Specifically, the movement speed and the sampling period of the measuring mechanism 2 can be set in advance by the control system according to the requirement of the measurement accuracy. The structure and the material of the inspection bench 1 are not limited as long as the inspection bench can bear the load thereon. Further, in order to ensure the accuracy of the measurement result, the upper surface of the inspection bench 1 needs to be flat; in order to prevent the inspection bench 1 from scratching the glass to be inspected, an elastic material can be laid on the inspection bench 1. The measuring instrument of the measuring mechanism 2 can be either an optical instrument or a mechanical instrument.
Compared with the prior art, the glass flatness measuring device provided by the utility model has the advantages that the measuring mechanism 2 is movably arranged above the inspection bench 1, so that continuous glass flatness collecting point measurement is realized, the problem of limited collecting points in the prior art is solved, and the precision and accuracy of glass flatness measurement are improved.
In some embodiments, as shown in fig. 1-3, the measuring mechanism 2 includes a plurality of measuring mechanisms 2 arranged in a row and movably disposed above the inspection stage 1 in a direction Y perpendicular to the arrangement direction X. Through setting up a plurality of measuring mechanism 2, can gather the data of more measurement points in same measurement time quantum, when having improved measurement accuracy and accuracy, also improved work efficiency. In particular, the spacing of the individual measuring means 2 can be adjusted, and, depending on the measurement accuracy requirements, a different number of measuring means 2 can be provided,
in some embodiments, as shown in fig. 1-2, the drive mechanism 3 includes a lead screw 31 and a test bed 32, the lead screw 31 being disposed on the test bed 1 and arranged in the vertical direction Y, the test bed 32 being slidably disposed on the lead screw 31, and the plurality of measuring mechanisms 2 being disposed on the test bed 32. The movement of the plurality of measuring mechanisms 2 in the vertical direction Y is achieved by providing the lead screw 31 and the test table 32 to perform multipoint continuous measurement of the glass to be measured. Specifically, the rotation speed of the screw 31 needs to be matched with the sampling period of the measuring mechanism 2, so as to ensure that the preset sampling number can be completed.
In some embodiments, as shown in fig. 1-4, the measurement mechanism 2 includes a dial gauge 21, the dial gauge 21 being disposed on a test stand 32 and its probe being abuttable against the upper surface of the glass to be measured. In the moving process, the measuring mechanism 2 can continuously measure the value of the height of the glass to be measured at each sampling point by abutting the probe of the dial indicator 21 against the upper surface of the glass to be measured, and further calculate the bow degree and the waveform degree of the glass to be measured. Further, in order to prevent the probe from scratching the glass to be tested, a smooth elastic material may be provided on the probe.
In some embodiments, as shown in fig. 1-4, the measurement mechanism 2 further includes a height gauge 22, the height gauge 22 being disposed on the test stand 32, and the dial gauge 21 being movably disposed on the height gauge 22 in the vertical direction Z. Specifically, the height gauge 22 is arranged along the vertical direction Z and is provided with scales, and the dial indicator 21 can be adjusted to a proper measuring position by moving the dial indicator 21 on the height gauge 22 aiming at the glass to be measured with different thicknesses, so that the requirements of the glass to be measured with different thicknesses are met, and the application range of the measuring device is improved; the dial indicator 21 can be quickly and accurately adjusted in place through the scale on the height gauge 22, so that the adjustment time is saved, and the working efficiency is improved.
In some embodiments, as shown in fig. 1 and 3, the drive mechanism 3 further comprises a motor 33, the motor 33 being connected with the screw 31 for driving the screw 31. By providing the motor 33, power is provided to the screw 31 to achieve continuous pick-up points of the measuring mechanism 2 in motion for measurement. Specifically, the motor 33 may also be provided at the inspection station 1, and the turning on of the motor 33 may be controlled by a switch.
In some embodiments, as shown in fig. 1-2, the test bench further comprises a guide rail 4, wherein the guide rail 4 is arranged on the test bench 1 and parallel to the screw 31, and two ends of the test bench 32 are respectively arranged on the guide rail 4 and the screw 31 in a sliding manner. The measurement mechanism 2 can stably move along the vertical direction Y by arranging the guide rail 4, so that the problem that normal measurement is influenced due to the fact that the test bench 32 deflects in the moving process is avoided.
In some embodiments, as shown in fig. 1-2, the glass inspection device further comprises a limiting mechanism 5 for controlling the position of the glass to be inspected, wherein the limiting mechanism 5 comprises a limiting piece 51 and a sliding rod 52, the sliding rod 52 is arranged on the inspection bench 1, one end of the limiting piece 51 is in sliding connection with the sliding rod 52, and the other end of the limiting piece abuts against the glass to be inspected. The glass to be measured can be positioned on the measuring station through the limiting mechanism 5, the problem that the glass to be measured moves in the measuring process is avoided, and the requirements of positioning the glass to be measured with different sizes can be met through the limiting piece 51 which is slidably arranged on the sliding rod 52. Specifically, the limiting mechanisms 5 may include a plurality of limiting mechanisms 5 arranged at intervals, so that each limiting piece 51 abuts against a different position of the glass to be measured, and the glass to be measured is stably positioned on the measuring station.
In some embodiments, the limit mechanism 5 further comprises a locking mechanism provided on the limit tab 51 for locking the limit tab 51 in a predetermined position of the slide bar 52. The limiting piece 51 is locked on the sliding rod 52 through the locking mechanism, so that the phenomenon that the limiting piece 51 slides on the sliding rod 52 to influence the measurement work in the measurement process is avoided.
In some embodiments, as shown in fig. 1-2, a sensor 6 for detecting the position of the measuring mechanism 2 is also included, the sensor 6 being provided on the inspection station 1. Specifically, the sensor 6 is movably arranged on the inspection bench 1, according to the glass to be measured with different specifications and sizes, the sensor 6 can be arranged on the inspection bench 1 at the collecting point of the tail end of the glass to be measured, when the measuring mechanism 2 moves to the collecting point of the tail end of the glass to be measured, the sensor 6 can send out a signal, and the control system instructs the driving mechanism 3 to stop working, so that the problem that the working efficiency is influenced because the measuring mechanism 2 moves out of the upper part of the glass to be measured is avoided.
In summary, compared with the prior art, the present disclosure provides a glass flatness measuring device, which is movably arranged above a test bench 1 through a measuring mechanism 2, so as to realize continuous sampling point measurement of glass flatness and improve measurement accuracy; the number of measured sampling points is multiplied through a plurality of measuring mechanisms 2, so that the accuracy of a measuring result is further improved; the measuring mechanism 2 can move in the vertical direction and the vertical direction, so that the flatness of glass with different specifications is measured, and the application range is improved; the problem of movement of the glass to be measured in the measuring process is avoided by the limiting mechanism 5.
Thus, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.
Claims (10)
1. A glass flatness measurement apparatus, comprising:
the test bench (1), the said test bench (1) is used for placing the glass to be measured;
the measuring mechanism (2) is movably arranged above the inspection table (1) and is used for carrying out continuous sampling point measurement on glass to be measured; and
-a driving mechanism (3), said driving mechanism (3) being arranged on said inspection bench (1) for driving said measuring mechanism (2) to move.
2. The glass flatness measuring device according to claim 1, characterized in that the measuring means (2) comprise a plurality of measuring means (2) which are arranged in a row and are arranged movably above the inspection table (1) in a direction (Y) perpendicular to the arrangement direction (X).
3. Glass flatness measurement device according to claim 2, characterized in that the drive mechanism (3) comprises a screw (31) and a test bench (32), the screw (31) being arranged on the test bench (1) and along the vertical direction (Y), the test bench (32) being slidably arranged on the screw (31), a plurality of the measurement mechanisms (2) being arranged on the test bench (32).
4. A glass flatness measuring device according to claim 3, characterized in that the measuring means (2) comprise a dial indicator (21), which dial indicator (21) is arranged on the test bench (32) and the probe of which can abut against the upper surface of the glass to be measured.
5. The glass flatness measurement device according to claim 4, characterized in that the measurement mechanism (2) further comprises a height gauge (22), the height gauge (22) being arranged on the test bench (32), the dial gauge (21) being arranged movably in a vertical direction (Z) on the height gauge (22).
6. A glass flatness measuring device according to claim 3, characterized in that the driving mechanism (3) further comprises a motor (33), the motor (33) being connected with the screw (31) for driving the screw (31).
7. A glass flatness measurement device according to claim 3, further comprising a guide rail (4), the guide rail (4) being provided on the inspection bench (1) in parallel with the lead screw (31), both ends of the test bench (32) being slidably provided on the guide rail (4) and the lead screw (31), respectively.
8. The glass flatness measurement device according to claim 1, further comprising a limiting mechanism (5) for controlling the position of the glass to be measured, wherein the limiting mechanism (5) comprises a limiting piece (51) and a sliding rod (52), the sliding rod (52) is arranged on the inspection bench (1), one end of the limiting piece (51) is in sliding connection with the sliding rod (52), and the other end of the limiting piece is abutted against the glass to be measured.
9. The glass flatness measurement device according to claim 8, characterized in that the limit mechanism (5) further comprises a locking mechanism provided on the limit tab (51) for locking the limit tab (51) in a preset position of the slide bar (52).
10. The glass flatness measuring device according to claim 1, further comprising a sensor (6) for detecting the position of the measuring mechanism (2), the sensor (6) being arranged on the inspection bench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310485112.XA CN116734709A (en) | 2023-04-28 | 2023-04-28 | Glass flatness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310485112.XA CN116734709A (en) | 2023-04-28 | 2023-04-28 | Glass flatness measuring device |
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| Publication Number | Publication Date |
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| CN116734709A true CN116734709A (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310485112.XA Pending CN116734709A (en) | 2023-04-28 | 2023-04-28 | Glass flatness measuring device |
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| CN (1) | CN116734709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606334A (en) * | 2023-10-20 | 2024-02-27 | 湖南硕展建设有限公司 | Automatic measurement complete equipment for surface roughness of building board |
-
2023
- 2023-04-28 CN CN202310485112.XA patent/CN116734709A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606334A (en) * | 2023-10-20 | 2024-02-27 | 湖南硕展建设有限公司 | Automatic measurement complete equipment for surface roughness of building board |
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