CN117128852A - Full-automatic cube test piece size measurement device - Google Patents
Full-automatic cube test piece size measurement device Download PDFInfo
- Publication number
- CN117128852A CN117128852A CN202310043195.7A CN202310043195A CN117128852A CN 117128852 A CN117128852 A CN 117128852A CN 202310043195 A CN202310043195 A CN 202310043195A CN 117128852 A CN117128852 A CN 117128852A
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- pipe
- test piece
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000005259 measurement Methods 0.000 title claims description 31
- 238000012546 transfer Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction 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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a full-automatic cube test piece size measuring device which comprises a top supporting frame, wherein a measuring mechanism is arranged in the top supporting frame, a supporting mechanism and a dust removing mechanism are simultaneously arranged at the bottom end of the top supporting frame, a plurality of supporting legs are arranged at the bottom end of the top supporting frame, a conveying device is arranged on one side of the measuring mechanism, the measuring mechanism comprises four laser scanning heads, the four laser scanning heads are obliquely arranged above the supporting mechanism in an equal-density manner, an arc-shaped chute is fixedly connected to the inner wall of one side of the top supporting frame, an electric sliding block is movably clamped in the arc-shaped chute, a connecting frame is arranged on the outer wall of one side of the electric sliding block, an air cylinder is fixedly connected with the electric sliding block through the connecting frame, the air cylinder comprises an air rod, and the air rod is connected with a pneumatic clamping jaw, and the supporting mechanism comprises a supporting plate.
Description
Technical Field
The invention relates to the technical field of concrete cube measuring equipment, in particular to a full-automatic cube test piece size measuring device.
Background
The concrete cube is a standard test piece sampled and made in the concrete construction pouring process, and is used for testing the strength of the same batch of concrete. The cubic cement blocks on the site are concrete test blocks. The concrete test block is a concrete test block for spot check when concrete is poured, a laboratory is used for checking a certain floor slab and a certain column sleeve, and the next process can be continued only after the concrete test block is qualified, and the concrete test block is also important quality detection data for finishing the follow-up process.
The concrete cube needs to be measured to its three-dimensional size before putting into the detection, in order to realize full-automatic measurement, guarantees measuring accuracy, generally scans the cube through the laser scanning head and acquires three-dimensional data through processing scanning image. The existing measuring device generally sets a single laser scanning head, scans six faces by rotating the cube and then improving the cube, and scans the cube in the moving process possibly reduces the scanning precision, and meanwhile, the scanning efficiency is affected due to more actions.
Disclosure of Invention
The invention discloses a full-automatic cube test piece size measuring device, and aims to solve the technical problems that scanning accuracy is possibly reduced when cubes are scanned in a moving process, and meanwhile, scanning efficiency is affected due to more actions.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a full-automatic cube test piece size measurement device, includes the top support frame, be provided with measuring mechanism in the top support frame, the bottom of top support frame is provided with supporting mechanism and ash removal mechanism simultaneously, and the bottom of top support frame is provided with a plurality of landing legs, one side of measuring mechanism is provided with conveyor, measuring mechanism includes four laser scanning heads, and four laser scanning head isopycnic slant centers on the top at supporting mechanism, one side inner wall fixedly connected with arc spout of top support frame, movable joint has electric slide in the arc spout, one side outer wall of electric slide is provided with the link, and electric slide passes through link fixedly connected with cylinder, the cylinder includes the gas pole, and the gas pole is connected with pneumatic clamping jaw, supporting mechanism includes the fagging, the top outer wall of fagging is provided with the recess.
Through being provided with measuring mechanism, when using measuring device, firstly place the concrete cube at the top fixed position of fagging through conveyor, start a plurality of laser scanning heads and aim at the concrete cube, five faces except the bottom of cube carry out laser scanning modeling, rethread start the cylinder, drive pneumatic clamping jaw forward to recess department, retract and start the clamping jaw, retract the cylinder after making it clip the concrete cube, rethread electronic slider upwards moves to the top along the arc spout, the direct perpendicular to fagging top, the upset of concrete cube bottom has been realized, spill the cover part of cube bottom, scan the face of leaking through controlling specific laser scanning head, thereby perfect the scanning of six faces of cube, directly through handling scan data, realize three-dimensional automatic measurement to the cube, under laser scanning head and cube all keep stable state, only need add the upset action and can accomplish the measurement work, the stability of scanning has been ensured, scanning accuracy has been improved, the measurement required time of cube has been shortened, and measurement efficiency has been improved.
In a preferred scheme, the supporting mechanism includes a plurality of inner loop bars, and a plurality of inner loop bars isopycnic is fixed at the bottom outer wall of fagging, and a plurality of inner loop bars's outer wall activity respectively has cup jointed the outer tube, be provided with the spring between outer tube and the inner loop bar, a plurality of outer tube's bottom outer wall fixedly connected with chassis, and the chassis is fixed at the bottom outer wall of top support frame simultaneously, the bottom outer wall of fagging is fixedly connected with second cylinder simultaneously, the second cylinder includes gas transmission mouth and second gas transmission mouth, the gas transmission mouth is closely connected with the gas-supply pipe, the second gas-supply mouth is closely connected with the second gas-supply pipe, gas-supply pipe and second gas-supply pipe link to each other, and the junction is provided with the governing valve, the pipe diameter of second gas-supply pipe is less than the pipe diameter of gas-supply pipe, the opposite side inner wall close connection of governing valve has total breather pipe.
Through being provided with supporting mechanism, when the electronic slider in the measuring mechanism drives the cube upset, the second cylinder drives the fagging in the supporting mechanism and descends, avoids the cube upset in-process to strike on the fagging, ensures going on smoothly of upset action, simultaneously through being provided with defeated gas port and second defeated gas port, at the fagging in-process that rises, when reaching certain height after, switch to the second gas pipe by the gas pipe through the governing valve to reduce the rising speed, avoid rising speed to produce the striking to the bottom of cube sooner.
In a preferred scheme, ash removal mechanism includes the branch pipe of ventilating, and the one side inner wall isopycnic of branch pipe of ventilating is provided with a plurality of jet heads, the opposite side inner wall of branch pipe of ventilating is connected with flexible pipe, and the other end of flexible pipe is connected with the air compressor machine, the opposite side outer wall of branch pipe of ventilating is fixedly connected with slider respectively, the bottom outer wall fixedly connected with two side support plates of top support frame, both sides be provided with the spout in the side support plate respectively, two the slider joint respectively is in two spouts, one side the one side outer wall fixedly connected with rack of slider, the outer wall meshing of rack has the gear, the gear sets up on the side support plate of one side, and one side of gear is connected with step motor.
Through being provided with ash removal mechanism, when the fagging pushes down under the branch pipe of ventilating, through the air compressor machine to the branch pipe air feed of ventilating to discharge through a plurality of jet heads, through starting step motor, drive gear rotation, thereby make rack lateral shifting, it advances to the fagging gradually to carry on the branch pipe of ventilating, and clear up to the fagging surface to a plurality of jet heads in the removal in-process, end after clearing up completely, the cube has effectively been avoided probably producing the sediment at the fagging surface in the measurement process, influence the measuring result of follow-up cube.
From the above, a full-automatic cube test piece size measurement device, including the top support frame, be provided with measuring mechanism in the top support frame, the bottom of top support frame is provided with supporting mechanism and deashing mechanism simultaneously, and the bottom of top support frame is provided with a plurality of landing legs, one side of measuring mechanism is provided with conveyor, measuring mechanism includes four laser scanning heads, and four laser scanning head isopycnic slant centers on the top at supporting mechanism, one side inner wall fixedly connected with arc spout of top support frame, movable joint has electronic slider in the arc spout, one side outer wall of electronic slider is provided with the link, and electronic slider passes through link fixedly connected with cylinder, the cylinder includes the gas pole, and the gas pole is connected with pneumatic clamping jaw, supporting mechanism includes the fagging, the top outer wall of fagging is provided with the recess. The full-automatic cube test piece size measuring device provided by the invention has the technical effects that the automatic measurement is completed under the state that the laser scanning head and the cube are kept stable, and the scanning precision and the measuring efficiency are improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a full-automatic cubic test piece size measurement device according to the present invention.
Fig. 2 is a schematic diagram of a measurement mechanism of a full-automatic cubic test piece size measurement device according to the present invention.
Fig. 3 is an enlarged schematic view of a measuring mechanism of a full-automatic cubic test piece size measuring device according to the present invention.
Fig. 4 is a schematic diagram of a supporting mechanism splitting structure of a full-automatic cube test piece size measuring device according to the present invention.
Fig. 5 is a schematic diagram of a second cylinder connection structure of the full-automatic cubic test piece size measurement device according to the present invention.
Fig. 6 is a schematic structural diagram of an ash removing mechanism of a full-automatic cube test piece size measuring device according to the present invention.
In the figure: 1. a support leg; 2. a top support; 3. a measuring mechanism; 4. a support mechanism; 5. an ash removing mechanism; 301. a laser scanning head; 302. pneumatic clamping jaws; 303. a cylinder; 304. a connecting frame; 305. an electric slide block; 306. an arc chute; 401. a supporting plate; 402. a groove; 403. a chassis; 404. a second cylinder; 405. an outer sleeve; 406. a spring; 407. an inner loop bar; 408. a gas transfer port; 409. a gas pipe; 410. a regulating valve; 411. a total vent pipe; 412. a second gas pipe; 413. a second gas transfer port; 501. a side support plate; 502. a chute; 503. a slide block; 504. a jet head; 505. a ventilation manifold; 506. a telescopic tube; 507. a rack; 508. an air compressor; 509. a gear; 510. a stepper motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The invention discloses a full-automatic cube test piece size measuring device which is mainly applied to a scene of concrete cube measurement.
Referring to fig. 1-3, a full-automatic cube test piece size measuring device comprises a top supporting frame 2, a measuring mechanism 3 is arranged in the top supporting frame 2, a supporting mechanism 4 and a dust removing mechanism 5 are simultaneously arranged at the bottom end of the top supporting frame 2, a plurality of supporting legs 1 are arranged at the bottom end of the top supporting frame 2, a conveying device is arranged at one side of the measuring mechanism 3, the measuring mechanism 3 comprises four laser scanning heads 301, the four laser scanning heads 301 are obliquely arranged above the supporting mechanism 4 in an equal-density manner, an arc-shaped chute 306 is fixedly connected with one side inner wall of the top supporting frame 2, an electric sliding block 305 is movably clamped in the arc-shaped chute 306, a connecting frame 304 is arranged on one side outer wall of the electric sliding block 305, an air cylinder 303 is fixedly connected with the electric sliding block 305 through the connecting frame 304, the air cylinder 303 comprises an air rod, the air rod is connected with a pneumatic clamping jaw 302, the supporting mechanism 4 comprises a supporting plate 401, when the measuring device is used, firstly, the concrete cube is placed at the top fixed position of the supporting plate 401 through the conveying device, a plurality of laser scanning heads 301 are started to align the concrete cube, laser scanning modeling is carried out on the cube except five surfaces at the bottom, then the pneumatic clamping jaw 302 is driven to push forwards to the groove 402 through the starting cylinder 303, the starting clamping jaw 302 is retracted to clamp the concrete cube and then retract the cylinder 303, then the electronic sliding block 305 moves upwards to the top along the arc-shaped sliding groove 306 and is directly perpendicular to the upper portion of the supporting plate 401, overturning of the concrete cube is realized, the covering part at the bottom of the cube is leaked, the leaked surfaces are scanned through controlling the specific laser scanning heads 301, scanning of six surfaces of the cube is perfected, three-dimensional automatic measurement of the cube is realized directly through processing scanning data, under the state that the laser scanning head 301 and the cube are kept stable, the measurement work can be completed only by adding a turning action, so that the measurement speed of the cube is reduced, and the measurement efficiency is improved.
Referring to fig. 4, in a preferred embodiment, the supporting mechanism 4 includes a plurality of inner sleeve rods 407, the plurality of inner sleeve rods 407 are fixed on the outer wall of the bottom end of the supporting plate 401 at equal density, the outer walls of the plurality of inner sleeve rods 407 are respectively movably sleeved with an outer sleeve 405, and a spring 406 is arranged between the outer sleeve 405 and the inner sleeve rods 407.
Referring to fig. 4, in a preferred embodiment, the bottom outer walls of the outer sleeves 405 are fixedly connected with the bottom frame 403, and the bottom frame 403 is simultaneously fixed on the bottom outer wall of the top support frame 2, and the bottom outer wall of the support plate 401 is simultaneously fixedly connected with the second cylinder 404.
Referring to fig. 5, in a preferred embodiment, the second cylinder 404 includes a gas transfer port 408 and a second gas transfer port 413, the gas transfer port 408 being closely coupled to a gas transfer conduit 409, the second gas transfer port 413 being closely coupled to a second gas transfer conduit 412.
Referring to fig. 5, in a preferred embodiment, the air pipe 409 is connected with the second air pipe 412, and the connection part is provided with the adjusting valve 410, the pipe diameter of the second air pipe 412 is smaller than the pipe diameter of the air pipe 409, the inner wall of the other side of the adjusting valve 410 is tightly connected with the total ventilation pipe 411, when the electric sliding block 305 in the measuring mechanism 3 drives the cube to overturn, the second air cylinder 404 in the supporting mechanism 4 drives the supporting plate 401 to descend, so as to avoid the impact on the supporting plate 401 in the overturning process of the cube, ensure the smooth progress of the overturning action, and simultaneously, when the supporting plate 401 ascends, the adjusting valve 410 is switched from the air pipe 409 to the second air pipe 412 after reaching a certain height, thereby reducing the ascending speed and avoiding the impact on the bottom end of the cube faster in the ascending speed.
Referring to fig. 6, in a preferred embodiment, the ash removing mechanism 5 includes a vent pipe 505, and a plurality of jet heads 504 are provided at equal density on one side inner wall of the vent pipe 505, a bellows 506 is connected to the other side inner wall of the vent pipe 505, and an air compressor 508 is connected to the other end of the bellows 506.
Referring to fig. 6, in a preferred embodiment, two opposite side walls of the ventilation branch pipe 505 are fixedly connected with sliding blocks 503, a bottom end outer wall of the top support frame 2 is fixedly connected with two side support plates 501, sliding grooves 502 are respectively arranged on the two side support plates 501, and the two sliding blocks 503 are respectively clamped in the two sliding grooves 502.
Referring to fig. 6, in a preferred embodiment, a rack 507 is fixedly connected to an outer wall of one side of a side slider 503, a gear 509 is meshed with an outer wall of the rack 507, the gear 509 is disposed on a side support plate 501 on one side, one side of the gear 509 is connected with a stepping motor 510, when the support plate 401 is pressed down to the ventilation manifold 505, air is supplied to the ventilation manifold 505 through an air compressor 508 and is discharged through a plurality of air jets 504, the stepping motor 510 is started to drive the gear 509 to rotate, so that the rack 507 is transversely moved to gradually push the support plate 401 with the ventilation manifold 505, and the plurality of air jets 504 are cleaned against the surface of the support plate 401 in the moving process until the surface of the support plate 401 is completely cleaned, so that the problem that slag is possibly generated on the surface of the support plate 401 in the measuring process of a cube and the measuring result of a subsequent cube is effectively avoided.
Working principle: when the measuring device is used, firstly, the concrete cube is placed at the top fixed position of the supporting plate 401 through the conveying device, a plurality of laser scanning heads 301 are started to align the concrete cube, laser scanning modeling is carried out on the cube except five surfaces at the bottom, then, through a starting cylinder 303, a pneumatic clamping jaw 302 is driven to push forward to a groove 402, the starting clamping jaw 302 is retracted to clamp the concrete cube, then, the cylinder 303 is retracted, through an electric sliding block 305 to move upwards to the top along an arc sliding groove 306 and directly vertical to the upper part of the supporting plate 401, overturning of the concrete cube is realized, the covering part at the bottom of the cube leaks, the specific laser scanning heads 301 are controlled to scan the leaked surfaces, thereby completing the scanning of six surfaces of the cube, three-dimensional automatic measurement of the cube is realized through processing scanning data, and under the condition that the laser scanning heads 301 and the cube are kept stable, the measurement work can be completed only by adding a turning action, the measurement speed of the cube is reduced, the measurement efficiency is improved, when the electric sliding block 305 in the measurement mechanism 3 drives the cube to turn, the second air cylinder 404 in the support mechanism 4 drives the supporting plate 401 to descend, the supporting plate 401 is prevented from being impacted in the process of turning the cube, smooth turning action is ensured, meanwhile, the air delivery port 408 and the second air delivery port 413 are arranged, when the supporting plate 401 ascends, the air delivery pipe 409 is switched to the second air delivery pipe 412 through the regulating valve 410 after a certain height is reached, the ascending speed is reduced, the impact on the bottom end of the cube is prevented from being generated, when the supporting plate 401 is pressed down to the lower part of the ventilation branch pipe 505, the air is supplied to the ventilation branch pipe 505 through the air compressor 508, the air is discharged through the plurality of air injection heads 504, the stepping motor 510 is started, the gear 509 is driven to rotate, so that the rack 507 moves transversely, the ventilation branch pipe 505 is gradually pushed to the supporting plate 401, and the plurality of jet heads 504 clean the surface of the supporting plate 401 in the moving process until the surface of the supporting plate 401 is completely cleaned, thereby effectively avoiding that the cubes possibly produce slag on the surface of the supporting plate 401 in the measuring process and affecting the measuring result of the subsequent cubes.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a full-automatic cube test piece size measuring device, includes top support frame (2), a serial communication port, be provided with measuring mechanism (3) in top support frame (2), the bottom of top support frame (2) is provided with supporting mechanism (4) and deashing mechanism (5) simultaneously, and the bottom of top support frame (2) is provided with a plurality of landing legs (1), one side of measuring mechanism (3) is provided with conveyor, measuring mechanism (3) include four laser scanning heads (301), and four laser scanning heads (301) isopycnic slant are around the top at supporting mechanism (4), one side inner wall fixedly connected with arc spout (306) of top support frame (2), arc spout (306) internal activity joint has electric slider (305), one side outer wall of electric slider (305) is provided with link (304), and electric slider (305) are through link (304) fixedly connected with cylinder (303), cylinder (303) include the gas pole, and the gas pole is connected with pneumatic clamping jaw (302), supporting mechanism (4) include fagging (401), fagging (401) are provided with fagging (402).
2. The full-automatic cube test piece size measurement device according to claim 1, wherein the supporting mechanism (4) comprises a plurality of inner sleeve rods (407), the inner sleeve rods (407) are fixed on the outer wall of the bottom end of the supporting plate (401) in an equal density mode, outer sleeves (405) are movably sleeved on the outer walls of the inner sleeve rods (407) respectively, and springs (406) are arranged between the outer sleeves (405) and the inner sleeve rods (407).
3. The full-automatic cube test piece size measurement device according to claim 2, wherein the bottom end outer walls of the outer sleeves (405) are fixedly connected with a bottom frame (403), the bottom frame (403) is simultaneously fixed on the bottom end outer wall of the top supporting frame (2), and the bottom end outer wall of the supporting plate (401) is simultaneously fixedly connected with a second cylinder (404).
4. A fully automated cubic test piece size measuring apparatus according to claim 3, wherein the second cylinder (404) comprises a gas transfer port (408) and a second gas transfer port (413), the gas transfer port (408) being tightly connected with a gas transfer tube (409), the second gas transfer port (413) being tightly connected with a second gas transfer tube (412).
5. The full-automatic cube test piece size measurement device according to claim 4, wherein the gas pipe (409) is connected with a second gas pipe (412), and a regulating valve (410) is arranged at the joint, the pipe diameter of the second gas pipe (412) is smaller than the pipe diameter of the gas pipe (409), and a total ventilation pipe (411) is tightly connected to the inner wall of the other side of the regulating valve (410).
6. The full-automatic cube specimen size measurement device according to claim 1, wherein the ash removal mechanism (5) comprises a ventilation branch pipe (505), a plurality of jet heads (504) are arranged on one side inner wall of the ventilation branch pipe (505) in an isopycnic mode, a telescopic pipe (506) is connected to the other side inner wall of the ventilation branch pipe (505), and an air compressor (508) is connected to the other end of the telescopic pipe (506).
7. The full-automatic cube test piece size measurement device according to claim 6, wherein two opposite side outer walls of the ventilation branch pipe (505) are fixedly connected with sliding blocks (503) respectively, two side support plates (501) are fixedly connected with the bottom end outer wall of the top support frame (2), sliding grooves (502) are respectively arranged on the two side support plates (501), and the two sliding blocks (503) are respectively clamped in the two sliding grooves (502).
8. The full-automatic cube test piece size measurement device according to claim 7, wherein a rack (507) is fixedly connected to an outer wall of one side of the slider (503), a gear (509) is meshed with an outer wall of the rack (507), the gear (509) is arranged on a side support plate (501) of one side, and a stepping motor (510) is connected to one side of the gear (509).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043195.7A CN117128852A (en) | 2023-01-29 | 2023-01-29 | Full-automatic cube test piece size measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043195.7A CN117128852A (en) | 2023-01-29 | 2023-01-29 | Full-automatic cube test piece size measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117128852A true CN117128852A (en) | 2023-11-28 |
Family
ID=88858877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310043195.7A Pending CN117128852A (en) | 2023-01-29 | 2023-01-29 | Full-automatic cube test piece size measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117128852A (en) |
-
2023
- 2023-01-29 CN CN202310043195.7A patent/CN117128852A/en active Pending
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