CN114660275A - Building concrete mortar detection system and detection method - Google Patents
Building concrete mortar detection system and detection method Download PDFInfo
- Publication number
- CN114660275A CN114660275A CN202210251821.7A CN202210251821A CN114660275A CN 114660275 A CN114660275 A CN 114660275A CN 202210251821 A CN202210251821 A CN 202210251821A CN 114660275 A CN114660275 A CN 114660275A
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- concrete mortar
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 114
- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000005303 weighing Methods 0.000 claims abstract description 13
- 230000000740 bleeding effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a building concrete mortar detection system and a detection method. Has the advantages that: the mortar pressure bleeding instrument, the weighing device, the sampler, the concrete mortar gas content detector and the mortar permeameter can quickly detect the pressure resistance value, the gas content resin and the permeability of the mortar, the detection speed is higher, thereby improving the detection efficiency of the concrete mortar, installing the miniature device in a movable trailer during the experiment through the arranged chassis, the carriage, the electric wheels and the cabin door, moving to different places for quick sampling detection, having faster detection result, thereby improving the convenience of mortar detection, centralizing the detected information data by arranging an antenna, a communicator, a touch display and a micro printer, and the information data is printed out to paper materials, and the data information is synchronously uploaded and analyzed to external equipment, so that the staff can know the detailed detection result at the first time.
Description
Technical Field
The invention relates to the technical field of concrete mortar detection, in particular to a building concrete mortar detection system and a detection method.
Background
The consistency of concrete mortar has important influence on the difficulty of construction, and the mortar consistency test mainly measures the consistency, the compressive strength, the air content and the like of the used mortar before building construction, thereby achieving the effect of ensuring the quality of the concrete mortar.
However, current building concrete mortar detecting system detection mode is single, need to draw concrete mortar to go to different places and survey, detection speed is slower, thereby the detection efficiency of concrete mortar has been reduced, secondly, current building concrete mortar detecting system can't move the detection, need to detect when taking the mortar to the experiment, the round trip time is longer and detect very inconveniently, thereby the convenience when examining the mortar has been reduced, and finally, current building concrete mortar detecting system detects that data can't be recorded fast, look over and the analysis, it has the hysteresis to lead to the monitoring data, thereby lead to can't make the staff know the testing result the very first time, consequently need novel building concrete mortar detecting system to solve these problems urgently.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a system and a method for detecting a concrete mortar for a building.
The invention realizes the purpose through the following technical scheme:
a building concrete mortar detection system comprises a shell, a heating wire and a camera, wherein a chassis is installed at four corners of the bottom end of the shell, a touch display screen is arranged on one side of the upper end of the shell, a knob cover is arranged on one side of the touch display screen, a handle is fixed on one side of the knob cover, an anti-skidding lug is installed on the handle, an adjusting button is installed at the top end of the handle, a connecting rod is connected onto one side wall of the shell, a disposable silica gel sleeve film is installed on the periphery of the connecting rod, an insulating layer is arranged in the connecting rod, the heating wire is installed on one side of the insulating layer, a temperature control chip is arranged at one end of the heating wire, an electric spray head is arranged in the middle of one end of the connecting rod, the camera is arranged above the electric spray head, one end of the camera is connected with a connecting wire, and one end of the connecting wire is provided with a microprocessor, the pipe is installed to electronic atomising head one end, pipe one end is provided with miniature suction pump, miniature suction pump one end is provided with the liquid storage pot, install level sensor in the liquid storage pot, the lithium cell is installed to bottom one side in the shell, lithium cell one end is provided with prevents the overcharge chip, prevent that overcharge chip one end is provided with and is provided with the mouth that charges.
Further, the chassis is connected with the carriage through bolts, and the electric wheels are connected with the chassis through bolts.
By adopting the technical scheme, the chassis has good protection and shock absorption functions, and the electric wheels can drive the chassis to move freely.
Further, the accommodating groove is formed in the chassis, the telescopic frame is connected with the carriage through bolts, and the cushion is connected with the telescopic frame through bolts.
Through adopting above-mentioned technical scheme, it is convenient to accomodate the groove the accomodating of expansion bracket and cushion, the cushion is convenient for personnel to sit and lean on.
Furthermore, the towing hook is welded with the chassis, the communicator is connected with the carriage through bolts, and the antenna is connected with the communicator through bolts.
Through adopting above-mentioned technical scheme, the tow hook is convenient for outside trailer and connects the use, the communicator adopts 5G and 4G communication network, with the antenna cooperation is used, can the real-time networking to carry out real-time transmission with data information.
Furthermore, the cabin door is rotatably connected with the carriage, and the electric box is connected with the carriage clamping groove.
Through adopting above-mentioned technical scheme, the hatch door is convenient for open and shut, the electronic box can each equipment provide the electric energy outward.
Furthermore, the mortar permeameter is connected with the carriage through bolts, and a display screen is installed on the mortar permeameter.
By adopting the technical scheme, the mortar permeameter adopts a plurality of measuring cylinders to carry out advanced and accurate measurement on the mortar permeability coefficient.
Further, the placing groove is connected with the chassis clamping groove, the concrete mortar air content detector is connected with the placing groove clamping groove, and the sampler is connected with the placing groove clamping groove.
Through adopting above-mentioned technical scheme, the standing groove is convenient for placing of instrument and equipment, the standing groove can carry out accurate the measuring to the air content of mortar in the standard container, the sampler can extract the mortar sample fast.
Further, the weighing device is connected with the placing groove clamping groove, and the mortar pressure bleeding instrument is connected with the chassis through a bolt.
By adopting the technical scheme, the weighing device can accurately weigh, and the mortar pressure bleeding instrument can accurately measure the pressure value of the mortar.
Further, the micro printer is connected with the carriage clamping groove, the rotating frame is connected with the carriage bolt, the touch display is connected with the carriage bolt, and the main control chip is electrically connected with the touch display.
Through adopting above-mentioned technical scheme, the paper data table can be printed out to the micro printer, the detection numerical value of all instruments can be shown to the touch display, main control chip can automatic processing information data.
By adopting the technical scheme, the invention has the beneficial effects that:
1. in order to solve the problems that the detection mode of the existing building concrete mortar detection system is single, concrete mortar needs to be extracted to different places for detection, the detection speed is low, and the detection efficiency of the concrete mortar is reduced, the mortar pressure bleeding instrument, the weighing device, the sampler, the concrete mortar gas content detector and the mortar permeameter are arranged, so that the pressure resistance value, the gas content resin and the permeability of the mortar can be quickly detected, the detection speed is higher, and the detection efficiency of the concrete mortar is improved;
2. in order to solve the problems that the existing building concrete mortar detection system cannot move for detection, the mortar needs to be brought to the experiment for detection, the time of the back and forth is long, and the detection is very inconvenient, so that the convenience in the mortar detection is reduced, the chassis, the carriage, the electric wheels and the cabin door are arranged, the experiment is miniaturized and installed in a movable trailer, the movable trailer can be moved to different places for quick sampling detection, the detection result is quicker, and the convenience in the mortar detection is improved;
3. in order to solve the unable quick record of current building concrete mortar detecting system detected data, look over and the analysis, lead to the monitoring data to have the hysteresis quality, thereby lead to leading to the unable staff very first time to know the problem of testing result, through setting up the antenna, the communicator, touch display and micro printer, the information data that can concentrate and summarize and detect out, and print out the paper material with the information data, upload in the external equipment with data information synchronization and analysis, thereby make the staff can learn detailed testing result very first time.
Drawings
FIG. 1 is a front view of a construction concrete mortar inspection system according to the present invention;
FIG. 2 is an enlarged view of a point A of the present invention in a construction concrete mortar inspection system;
FIG. 3 is an enlarged view of the area B of the present invention in a construction concrete grout detection system;
fig. 4 is a circuit block diagram of a building concrete mortar detection system according to the present invention.
The reference numerals are explained below:
1. a carriage; 2. a communicator; 3. an antenna; 4. a chassis; 5. towing hooks; 6. towing hooks; 7. a mortar permeameter; 8. a display screen; 9. a receiving groove; 10. a telescopic frame; 11. a cushion; 12. an electric wheel; 13. a cabin door; 14. a mortar pressure bleeding instrument; 15. a sampler; 16. a weighing device; 17. a placement groove; 18. a concrete mortar gas content detector; 19. a micro printer; 20. a touch display; 21. a rotating frame; 22. and a main control chip.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, a building concrete mortar detection system comprises a compartment 1, a communicator 2 and an antenna 3, wherein a chassis 4 is installed at the bottom end of the compartment 1, electric wheels 12 are installed at four corners of the bottom end of the chassis 4, the electric wheels 12 can drive the chassis 4 to move freely, a storage groove 9 is formed between the electric wheels 12, an expansion bracket 10 is installed in the storage groove 9, a cushion 11 is arranged on the expansion bracket 10, a towing hook 5 is installed in the middle of the other side wall of the chassis 4, the communicator 2 is arranged on one side of the top end of the compartment 1, the antenna 3 is connected to the upper end of the communicator 2, a compartment door 13 is arranged on the compartment 1, an electric box 6 is arranged on one side of the compartment door 13, the electric box 6 can supply power, a mortar permeameter 7 is installed on one side of the compartment 1, a display screen 8 is arranged on the mortar permeameter 7, a placing groove 17 is installed on one side of a mortar permeameter 7, a concrete mortar air content detector 18 is installed in the placing groove 17, a sampler 15 is arranged on one side of the concrete mortar air content detector 18, a weighing device 16 is arranged on one side of the sampler 15, a mortar pressure bleeding instrument 14 is arranged on one side of the placing groove 17, a micro printer 19 is arranged on one side wall of a carriage 1, the micro printer 19 can print a paper data table, a rotating frame 21 is arranged above the micro printer 19, a touch display 20 is installed on one end of the rotating frame 21, a main control chip 22 is arranged on the touch display 20, and the main control chip 22 can automatically process information data and control the cooperative operation of each device.
In this embodiment, the chassis 4 is connected to the carriage 1 by bolts, the electric wheels 12 are connected to the chassis 4 by bolts, the chassis 4 has good protection and damping functions, and the electric wheels 12 can drive the chassis 4 to move freely.
In this embodiment, accomodate groove 9 the shaping in on chassis 4, expansion bracket 10 with carriage 1 bolted connection, cushion 11 with expansion bracket 10 screwed connection, accomodate groove 9 and be convenient for accomodate of expansion bracket 10 and cushion 11, cushion 11 is convenient for personnel's seat and leans on.
In this embodiment, tow hook 5 with chassis 4 welding, communicator 2 with carriage 1 bolted connection, antenna 3 with communicator 2 screwed connection, tow hook 5 is convenient for outside trailer and connects the use, communicator 2 adopts 5G and 4G communication network, with antenna 3 cooperation is used, can network in real time to carry out real-time transmission with data information.
In this embodiment, the cabin door 13 is rotatably connected with the carriage 1, the electronic box 6 is connected with the clamping groove of the carriage 1, the cabin door 13 is convenient to open and close, and the electronic box 6 can provide electric energy for each external device.
In this embodiment, the mortar permeameter 7 is connected to the carriage 1 by bolts, the display screen 8 is installed on the mortar permeameter 7, and the mortar permeameter 7 adopts a plurality of measuring cylinders to perform advance-accurate measurement of the mortar permeability coefficient.
In this embodiment, the placing groove 17 is connected with the slot of the chassis 4, the concrete mortar air content detector 18 is connected with the placing groove 17, the sampler 15 is connected with the slot of the placing groove 17, the placing groove 17 is convenient for placing instruments and equipment, the placing groove 17 can accurately detect the air content of mortar in a standard container, and the sampler 15 can rapidly extract a mortar sample.
In this embodiment, the weighing device 16 is connected with the clamping groove of the placing groove 17, the mortar pressure bleeding instrument 14 is connected with the chassis 4 through bolts, the weighing device 16 can accurately weigh, and the mortar pressure bleeding instrument 14 can accurately measure the pressure value of the mortar.
In this embodiment, the micro printer 19 with 1 draw-in groove in carriage is connected, the swivel mount 21 with 1 bolted connection in carriage, touch display 20 with 1 bolted connection in carriage, main control chip 22 with the touch display 20 electricity is connected, the paper data table can be printed out to the micro printer 19, touch display 20 can show the detection numerical value of whole instruments, main control chip 22 can the automated processing information data.
A use method of a building concrete mortar detection system comprises the following steps: firstly, an external vehicle can be connected with the towing hook 5, the carriage 1 can be moved to different detection sites, or the external device can be connected with the communicator 2, so as to realize the automatic remote control of the electric wheels 12, after the electric wheels reach the detection sites, the cabin door 13 is opened, a proper amount of mortar is extracted to a standard container by using the sampler 15, then the container is placed on the weighing device 16 for weighing, the weighed mortar is poured into the mortar permeameter 7 one by one for detection and analysis, the data value of the detection and analysis is displayed on the display screen 8, a proper amount of mortar can be obtained by the same method and placed in the concrete mortar gas content detector 18, the concrete mortar gas content detector 18 detects the gas content value of the mortar, the mortar pressure bleeding instrument 14 can detect the pressure value of the mortar, and finally, the various information values of the detected mortar are uniformly displayed on the touch display 20, the micro printer 19 can print out a paper parameter table, and can send a detection value to external equipment at the first time through the communicator 2 and the antenna 3, so that synchronous sharing of detection data is realized.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a building concrete mortar detecting system which characterized in that: the novel mortar communication device comprises a carriage (1), a communicator (2) and an antenna (3), wherein a chassis (4) is installed at the bottom end of the carriage (1), electric wheels (12) are installed at four corners of the bottom end of the chassis (4), accommodating grooves (9) are formed among the electric wheels (12), an expansion bracket (10) is installed in the accommodating grooves (9), a cushion (11) is arranged on the expansion bracket (10), a towing hook (5) is installed in the middle of the other side wall of the chassis (4), the communicator (2) is arranged on one side of the top end of the carriage (1), the antenna (3) is connected to the upper end of the communicator (2), a carriage door (13) is arranged on the carriage (1), an electric box (6) is arranged on one side of the carriage (13), a mortar permeameter (7) is installed on one side of the carriage (1), a display screen (8) is arranged on the mortar permeameter (7), a placing groove (17) is installed on one side of a mortar permeameter (7), a concrete mortar air content detector (18) is installed in the placing groove (17), a sampler (15) is arranged on one side of the concrete mortar air content detector (18), a weighing device (16) is arranged on one side of the sampler (15), a mortar pressure bleeding instrument (14) is arranged on one side of the placing groove (17), a micro printer (19) is arranged on one side wall in a carriage (1), a rotating frame (21) is arranged above the micro printer (19), a touch display (20) is installed on one end of the rotating frame (21), and a main control chip (22) is arranged on the touch display (20).
2. The building concrete mortar detection system according to claim 1, wherein: the chassis (4) is connected with the carriage (1) through bolts, and the electric wheels (12) are connected with the chassis (4) through bolts.
3. The building concrete mortar detection system according to claim 1, wherein: the storage groove (9) is formed in the chassis (4), the telescopic frame (10) is connected with the carriage (1) through bolts, and the cushion (11) is connected with the telescopic frame (10) through bolts.
4. The building concrete mortar detection system according to claim 1, characterized in that: the towing hook (5) is welded with the chassis (4), the communicator (2) is connected with the carriage (1) through bolts, and the antenna (3) is connected with the communicator (2) through screws.
5. The building concrete mortar detection system according to claim 1, wherein: the cabin door (13) is rotatably connected with the carriage (1), and the electronic box (6) is connected with the clamping groove of the carriage (1).
6. The building concrete mortar detection system according to claim 1, wherein: the mortar permeameter (7) is connected with the carriage (1) through bolts, and a display screen (8) is installed on the mortar permeameter (7).
7. The building concrete mortar detection system according to claim 1, characterized in that: the placing groove (17) is connected with the clamping groove of the chassis (4), the concrete mortar gas content detector (18) is connected with the clamping groove of the placing groove (17), and the sampler (15) is connected with the clamping groove of the placing groove (17).
8. The building concrete mortar detection system according to claim 1, wherein: the weighing device (16) is connected with the clamping groove of the placing groove (17), and the mortar pressure bleeding instrument (14) is connected with the chassis (4) through bolts.
9. The building concrete mortar detection system according to claim 1, wherein: the micro printer (19) is connected with the clamping groove of the carriage (1), the rotating frame (21) is connected with the carriage (1) through bolts, the touch display (20) is connected with the carriage (1) through bolts, and the main control chip (22) is electrically connected with the touch display (20).
10. A method for using a building concrete mortar detection system, which is applied to the building concrete mortar detection system of any one of claims 1 to 9, and is characterized in that: firstly, an external vehicle can be connected with the towing hook (5), the carriage (1) is moved to different detection sites, or the external device can be connected with the communicator (2), so that the automatic remote control of the electric wheels (12) is realized, after the electric wheels reach the detection sites, the cabin door (13) is opened, a proper amount of mortar on site is extracted by using the sampler (15) to a standard container, the container is placed on the weighing device (16) to be weighed, the weighed mortar is poured into the mortar permeameter (7) one by one to be detected and analyzed, the detected and analyzed data value is displayed on the display screen (8), a proper amount of mortar can be obtained by the same method to be placed in the concrete mortar gas content detector (18), the concrete mortar gas content detector (18) detects the gas content value of the mortar, and the mortar pressure bleeding instrument (14) can measure the pressure value of the mortar, and finally, various information values of the above detection mortar are uniformly displayed on the touch display (20), the paper parameter table can be printed out by the micro printer (19), and the communicator (2) and the antenna (3) can transmit the detection values to external equipment at the first time to realize synchronous sharing of the detection data.
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CN202210251821.7A CN114660275A (en) | 2022-03-15 | 2022-03-15 | Building concrete mortar detection system and detection method |
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Citations (7)
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JP2004077454A (en) * | 2002-08-20 | 2004-03-11 | Minoru Imai | Method for testing quality of concrete and sensing device |
JP2007256147A (en) * | 2006-03-24 | 2007-10-04 | Kaken:Kk | Mobile micro measuring instrument |
CN201867409U (en) * | 2010-10-20 | 2011-06-15 | 株洲时代电气绝缘有限责任公司 | Portable test device for cement-emulsified asphalt mortar |
CN205691497U (en) * | 2016-06-21 | 2016-11-16 | 内蒙古草都草牧业股份有限公司 | A kind of packaged type Grass Quality testing laboratory |
CN108709968A (en) * | 2018-06-28 | 2018-10-26 | 湖北师范大学 | A kind of food safety detection system |
CN212766550U (en) * | 2020-06-01 | 2021-03-23 | 内蒙古路桥集团有限责任公司 | Multifunctional concrete detecting instrument carrying device |
CN114034502A (en) * | 2021-10-19 | 2022-02-11 | 安徽建大项目管理有限公司 | Sampling detection system for building engineering supervision |
-
2022
- 2022-03-15 CN CN202210251821.7A patent/CN114660275A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004077454A (en) * | 2002-08-20 | 2004-03-11 | Minoru Imai | Method for testing quality of concrete and sensing device |
JP2007256147A (en) * | 2006-03-24 | 2007-10-04 | Kaken:Kk | Mobile micro measuring instrument |
CN201867409U (en) * | 2010-10-20 | 2011-06-15 | 株洲时代电气绝缘有限责任公司 | Portable test device for cement-emulsified asphalt mortar |
CN205691497U (en) * | 2016-06-21 | 2016-11-16 | 内蒙古草都草牧业股份有限公司 | A kind of packaged type Grass Quality testing laboratory |
CN108709968A (en) * | 2018-06-28 | 2018-10-26 | 湖北师范大学 | A kind of food safety detection system |
CN212766550U (en) * | 2020-06-01 | 2021-03-23 | 内蒙古路桥集团有限责任公司 | Multifunctional concrete detecting instrument carrying device |
CN114034502A (en) * | 2021-10-19 | 2022-02-11 | 安徽建大项目管理有限公司 | Sampling detection system for building engineering supervision |
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