Automatic detection system and detection method for concrete test piece

Abstract

The invention relates to the technical field of concrete detection, in particular to an automatic detection system and method for a concrete test piece. The system comprises a test piece preparation system, a test piece curing system and a test piece testing system, the test piece preparation system is used for receiving a concrete sample and manufacturing a test piece, the test piece curing system is used for curing the manufactured test piece, and the test piece testing system is used for detecting the cured test piece. The transmission device among the test piece preparation system, the test piece maintenance system and the test piece test system is in a disconnected state, and the length of a disconnected gap is smaller than that of a test piece or a mold, so that the test piece or the mold can pass through the gap; according to the invention, data traceability and multi-level data analysis are realized, the automation degree of concrete test piece detection is improved, the burden of workers is reduced, the detection efficiency and the detection accuracy are improved, and the flexibility of the system is high.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete detection, and particularly relates to an automatic detection system and method for concrete specimens. Background Art

[0002] Traditional detection of concrete specimens requires manual completion of the entire process, including specimen preparation, maintenance environment control, loading test, and data recording. For example, during specimen production, manual vibration and plastering are required, which easily lead to residual internal air bubbles or dimensional deviations. In the maintenance stage, manual regular inspection of temperature and humidity is relied on, which is difficult to achieve precise control and easily causes strength discreteness problems. In the testing link, operators need to manually adjust the parameters of the pressure testing machine, and data recording relies on paper forms, resulting in low efficiency and easy errors. Manual handling is also required from specimen preparation to maintenance testing, and specimens are generally heavy, causing pain to the handling personnel. Summary of the Invention

[0003] Aiming at the above deficiencies of the prior art, the present invention aims to provide an automatic detection system and method for concrete specimens to achieve automatic detection of concrete specimens, reduce the manual burden, and improve the detection efficiency and accuracy.

[0004] To solve the above problems, the present invention adopts the following technical solutions:

[0005] On the one hand, the present invention provides an automatic detection system for concrete specimens, including a specimen preparation system, a specimen maintenance system, and a specimen test system. The specimen preparation system is used to receive concrete samples and produce specimens; the specimen maintenance system is used to maintain the produced specimens; the specimen test system is used to detect the maintained specimens.

[0006] Transfer devices are arranged inside and between the specimen preparation system, the specimen maintenance system, and the specimen test system for transferring specimens or molds inside and between the specimen preparation system, the specimen maintenance system, and the specimen test system; part of the transfer device between the specimen preparation system, the specimen maintenance system, and the specimen test system is in a disconnected state, and the length of the disconnected gap is less than the length of the specimen or mold, enabling the specimen or mold to pass through the gap.

[0007] As an implementable manner, the specimen preparation system includes a specimen preparation box and a sample receiving device. Inside the specimen preparation box, there are a specimen pouring and vibrating device, a specimen demolding device, a first three-coordinate mechanical grasping device, a specimen preparation transfer device, a specimen detection device, a coding device, a drying area, and a first PLC controller.

[0008] The sample receiving device is used to receive a concrete sample from a concrete mixing tank and transfer the concrete sample to the specimen pouring and vibrating device to pour, vibrate and level the specimen through a mold.

[0009] The specimen testing device is used to test the specimen after pouring, vibrating and leveling. After the test is qualified, the first three-coordinate mechanical grasping device moves the mold containing the specimen to the specimen preparation transmission device, and the specimen preparation transmission device conveys the mold containing the specimen to the area corresponding to the drying area.

[0010] The first three-coordinate mechanical grasping device moves the mold containing the specimen transferred to the area corresponding to the drying area to the drying area for forming. After forming, the first three-coordinate mechanical grasping device moves the mold containing the specimen to the specimen demolding device for demolding. After demolding is completed, the coding device codes the specimen.

[0011] The first three-coordinate mechanical grasping device moves the coded specimen to the specimen preparation transmission device, and the specimen preparation transmission device conveys the specimen to the specimen curing system.

[0012] As an implementable manner, the first PLC controller is used for:

[0013] The first PLC controller records the batch number of the sample receiving device. The batch number includes the concrete mixing tank information, the concrete batch information in the concrete mixing tank, and the sampling batch information of the concrete in the same batch.

[0014] When the specimen pouring and vibrating device recognizes that the mold is in the correct pouring position, the first PLC controller controls the specimen pouring and vibrating device to pour, vibrate and level the mold, records the mold number, and binds the mold number with the batch number.

[0015] When the specimen pouring and vibrating device completes one pouring, vibrating and leveling process, the first PLC controller controls the specimen testing device to test the specimen. If the test is qualified, the specimen preparation is completed. If the test is unqualified, the first PLC controller controls the specimen pouring and vibrating device to repeat the pouring, vibrating and leveling process until the test is qualified.

[0016] After the detection reaches the standard, the first PLC controller controls the first three - coordinate mechanical grasping device to move the mold containing the test piece. The first PLC controller controls the first three - coordinate mechanical grasping device to identify the mold number of the mold in the area corresponding to the drying area, and move it to the drying area, and bind the mold number of the mold with the area number of the drying area where the mold is placed. The first PLC controller determines the mold number of the mold that has completed forming according to the forming time, determines the area number of the mold through the mold number, determines the position of the mold to be moved through the area number, and controls the first three - coordinate mechanical grasping device to move the formed mold.

[0017] The first PLC controller controls the inkjet printing device to perform inkjet printing on the test piece through the batch number and the mold number. The code of the inkjet printing contains batch number information and mold number information.

[0018] As an implementable manner, the test piece curing system includes a test piece curing box; a second three - coordinate mechanical grasping device, a test piece curing transmission device, a test piece storage and curing grid, and a second PLC controller are arranged in the test piece curing box.

[0019] The test piece curing transmission device receives the test piece conveyed by the test piece preparation transmission device. The second three - coordinate mechanical grasping device places the test piece into the test piece storage and curing grid and moves the cured test piece to the test piece curing transmission device. The test piece curing transmission device conveys the test piece to the test piece testing system.

[0020] As an implementable manner, the second PLC controller records the grid number when the test piece is placed into the test piece storage and curing grid and binds it with the code of the inkjet printing. The second PLC controller judges whether the test piece is cured through the curing time. When the test piece is cured, the second PLC controller determines the grid number of the test piece through the number of the inkjet printing, determines the storage position of the test piece through the grid number, and controls the second three - coordinate mechanical grasping device to move the cured test piece to the test piece curing transmission device.

[0021] As an implementable manner, the test piece testing system includes a test piece testing box; a size recognition device, a pressure testing device, a test piece testing transmission device, and a third PLC controller are arranged in the test piece testing box. The test piece testing transmission device receives the test piece conveyed by the test piece curing transmission device, and conveys the test piece to the size recognition device for inkjet printing code recognition and size and shape detection, conveys the test piece to the pressure testing device for inkjet printing code recognition and pressure test, and conveys the residue of the test piece after the pressure test to the test piece residue recycling device.

[0022] As an implementable mode, the third PLC controller controls the code identification and detection of the inkjet coding of the dimension identification device and the pressure test device, records the code of the inkjet coding and the corresponding detection data, and transmits the code of the inkjet coding and the corresponding detection data to the data processing system; the data processing system analyzes the data of the specimens prepared under the conditions of different concrete mixing tanks, different concrete batches of the same concrete mixing tank, and different sampling batches of the same batch of concrete through the code of the inkjet coding and the corresponding detection data.

[0023] As an implementable mode, the length of the gap between the specimen preparation transfer device and the specimen curing transfer device and between the specimen curing transfer device and the specimen testing transfer device is 10 - 30 mm; the conveyor belts of the specimen preparation transfer device, the specimen curing transfer device, and the specimen testing transfer device are at the same horizontal height.

[0024] As an implementable mode, a mold storage area is further arranged in the specimen preparation box; the mold storage area is used for processing and storing the molds after demolding.

[0025] On the other hand, the present invention provides a method for automatically detecting concrete specimens, taking a concrete sample from a concrete mixing tank and performing detection in the automatic concrete specimen detection system described above.

[0026] The beneficial effects of the present invention are as follows: The automatic concrete specimen detection system and detection method provided by the present invention realize the automatic detection of concrete specimens through the present invention, realize data traceability and multi-level data analysis, reduce the burden on staff, and improve the detection efficiency and detection accuracy; moreover, the specimen preparation system, the specimen curing system, and the specimen testing system in the present invention can be used alone or in combination. Based on the detection process, the number of each specimen preparation system, specimen curing system, and specimen testing system can be increased or decreased, that is, only the connection and transfer relationship of each transfer device need to be adjusted, and the system has high flexibility. Description of the Drawings

[0027] Figure 1 It is a schematic diagram of an automatic concrete specimen detection system of the present invention.

[0028] Figure 2 It is a schematic diagram of the setting of the specimen preparation transfer device and the specimen curing transfer device of the present invention.

[0029] Among them, 10 is a specimen preparation system; 11 is a specimen preparation box; 12 is a sample receiving device; 13 is a specimen pouring and vibrating device; 14 is a specimen detection device; 15 is a first three-coordinate mechanical grasping device; 16 is a specimen preparation transmission device; 17 is a specimen demolding device; 18 is a coding device; 19 is a drying area; 20 is a first PLC controller; 21 is a mold storage area; 30 is a specimen curing system; 31 is a specimen curing box; 32 is a second three-coordinate mechanical grasping device; 33 is a specimen curing transmission device; 34 is a specimen storage and curing grid; 35 is a second PLC controller; 40 is a specimen testing system; 41 is a specimen testing box; 42 is a size recognition device; 43 is a pressure testing device; 44 is a specimen testing transmission device; 45 is a third PLC controller; 50 is a specimen. Specific embodiments

[0030] The present invention will be further described in detail below in conjunction with specific embodiments.

[0031] It should be noted that these embodiments are only used to illustrate the present invention, rather than limiting the present invention. Under the premise of the concept of the present invention, simple improvements to this method all fall within the scope of protection required by the present invention.

[0032] Participate Figure 1 , which is an automatic detection system for concrete specimens, including a specimen preparation system 10, a specimen curing system 30, and a specimen testing system 40. The specimen preparation system 10 is used to receive concrete samples and make specimens; the specimen curing system 30 is used to cure the made specimens; the specimen testing system 40 is used to detect the cured specimens.

[0033] Transfer devices are arranged inside and between the specimen preparation system, the specimen curing system, and the specimen testing system, and are used to transfer specimens or molds inside and between the specimen preparation system, the specimen curing system, and the specimen testing system; part of the transfer device between the specimen preparation system, the specimen curing system, and the specimen testing system is in a disconnected state, and the length of the gap in the disconnected state is less than the length of the specimen or mold, so that the specimen or mold can pass through the gap. That is, the transfer device is not a whole and is not in a connected state, which is convenient for the flexible setting of each system.

[0034] The specimen preparation system 10 includes a specimen preparation box 11 and a sample receiving device 12. Inside the specimen preparation box 11, there are arranged a specimen pouring and vibrating device 13, a specimen demolding device 17, a first three-coordinate mechanical grasping device 15, a specimen preparation transmission device 16, a specimen detection device 14, a coding device 18, a drying area 19, and a first PLC controller 20.

[0035] The sample receiving device 12 is used to receive concrete samples from the concrete mixing tank and transfer the concrete samples to the specimen pouring and vibrating device 13 for pouring, vibrating, and leveling the specimens through a mold.

[0036] The specimen testing device 14 is used to test the specimens after pouring, vibrating, and leveling. After passing the test, the first three-coordinate mechanical grasping device 15 moves the mold containing the specimen to the specimen preparation transfer device 16, and the specimen preparation transfer device conveys the mold containing the specimen to the area corresponding to the drying area 19.

[0037] The first three-coordinate mechanical grasping device 15 moves the mold containing the specimen transferred to the area corresponding to the drying area 19 to the drying area 19 for forming. After forming, the first three-coordinate mechanical grasping device 15 moves the mold containing the specimen to the specimen demolding device 17 for demolding. After demolding is completed, the coding device 18 codes the specimen.

[0038] The first three-coordinate mechanical grasping device 15 moves the coded specimen to the specimen preparation transfer device 16, and the specimen preparation transfer device 16 conveys the specimen to the specimen curing system 30.

[0039] The first PLC controller 20 is used for:

[0040] The first PLC controller records the batch number of the sample receiving device. The batch number includes the concrete mixing tank information, the concrete batch information in the concrete mixing tank, and the sampling batch information of the same batch of concrete. For example, 20 (the 20th mixing tank) - 5 (the fifth concrete completed in this mixing tank today) - 2 (the second sampling of the fifth concrete). The batch number can be numbered using a similar idea and is not restricted here.

[0041] When the specimen pouring and vibrating device recognizes that the mold is in the correct pouring position, the first PLC controller controls the specimen pouring and vibrating device to pour, vibrate, and level the mold, records the mold number, and binds the mold number with the batch number. The movement of the mold is also carried out by the first three-coordinate mechanical grasping device. Of course, the number of the first three-coordinate mechanical grasping devices can be one or more. When there are multiple devices, the first PLC controller controls each first three-coordinate mechanical grasping device based on the engineering process.

[0042] After the specimen pouring and vibrating device completes a pouring, vibrating, and leveling process, the first PLC controller controls the specimen testing device to test the specimen. If the test is passed, the specimen preparation is completed. If the test fails, the first PLC controller controls the specimen pouring and vibrating device to repeat the pouring, vibrating, and leveling process until the test is passed. Of course, the amount of the subsequent pouring is less than that of the first pouring. The specific pouring amount can be converted based on the height of the sample in the mold detected by the specimen testing device.

[0043] After the detection is qualified, the first PLC controller controls the first three - coordinate mechanical grasping device to move the mold containing the test piece. The first PLC controller controls the first three - coordinate mechanical grasping device to identify the mold number of the mold in the area corresponding to the drying area, and move it to the drying area. Bind the mold number of the mold with the area number of the drying area where the mold is placed. The first PLC controller determines the mold number of the mold that has completed forming according to the forming time, determines the area number of the mold through the mold number, determines the position of the mold to be moved through the area number, and controls the first three - coordinate mechanical grasping device to move the formed mold.

[0044] The first PLC controller controls the inkjet device to ink - jet the test piece through the batch number and the mold number. The code of the ink - jet includes batch number information and mold number information, and may also include test piece number information (that is, the number given to each demolded test piece when it reaches the inkjet device, which can avoid the situation that the codes of the test piece ink - jet may be the same due to the repetition of the mold number in the case of large - scale reuse of the mold). The code of the ink - jet contains the above - mentioned number information, but is not necessarily composed of the above - mentioned number information. It can also be to replace the above - mentioned number information with other characters or numbers to reduce the length of the code.

[0045] A mold storage area 21 is also provided in the test piece preparation box; the mold storage area 21 is used to process and store the demolded molds.

[0046] Through the test piece preparation system, the reception, pouring, vibration, scraping, preparation for detection, drying, demolding and ink - jetting of the concrete samples are realized, and qualified test pieces are made.

[0047] The test piece curing system 30 includes a test piece curing box 31; a second three - coordinate mechanical grasping device 32, a test piece curing transmission device 33, a test piece storage and curing grid 34 and a second PLC controller 35 are arranged in the test piece curing box 31.

[0048] The test piece curing transmission device receives the test pieces transmitted by the test piece preparation transmission device. The second three - coordinate mechanical grasping device places the test pieces into the test piece storage and curing grid and moves the cured test pieces to the test piece curing transmission device. The test piece curing transmission device transmits the test pieces to the test piece testing system 40.

[0049] The second PLC controller records the grid number when the test piece is placed into the test piece storage and curing grid, and binds it with the code of the ink - jet. The second PLC controller judges whether the test piece is cured through the curing time. When the test piece is cured, the second PLC controller determines the grid number of the test piece through the code of the ink - jet, determines the storage position of the test piece through the grid number, and controls the second three - coordinate mechanical grasping device to move the cured test piece to the test piece curing transmission device.

[0050] After passing through the specimen curing system, the prepared specimens have completed curing in the specimen curing system, and the specimen curing system provides the environmental conditions required for curing.

[0051] The specimen testing system 40 includes a specimen testing chamber 41; a size identification device 42, a pressure testing device 43, a specimen testing transmission device 44, and a third PLC controller 45 are arranged in the specimen testing chamber; the specimen testing transmission device receives the specimens transmitted by the specimen curing transmission device, and transmits the specimens to the size identification device for code identification by spraying and size and shape detection, transmits the specimens to the pressure testing device for code identification by spraying and pressure testing, and transmits the remaining specimens after the pressure test to the specimen residue recovery device.

[0052] The third PLC controller controls the code identification and detection of the spraying of the size identification device and the pressure testing device, records the code of the spraying and the corresponding detection data, and transmits the code of the spraying and the corresponding detection data to the data processing system; the data processing system analyzes the data of the specimens prepared under the conditions of different concrete mixing tanks, different concrete batches of the same concrete mixing tank, and different sampling batches of the same batch of concrete through the code of the spraying and the corresponding detection data.

[0053] After passing through the specimen testing system, the automatic detection of the external dimensions and pressure of the specimens is realized, and the residual materials are automatically recovered. The detected data and the recorded spraying data are uploaded to the data processing system to realize the multi-level analysis of the samples.

[0054] The length of the gap between the specimen preparation transmission device and the specimen curing transmission device, and between the specimen curing transmission device and the specimen testing transmission device is 10 - 30 mm; the conveyor belts of the specimen preparation transmission device, the specimen curing transmission device, and the specimen testing transmission device are at the same horizontal height. The setting of the transmission device refers to Figure 2 , taking the specimen preparation system and the specimen curing system as examples, the specimen preparation chamber 11 and the specimen curing chamber 31 leave a transmission channel for the specimen preparation transmission device 16 and the specimen curing transmission device 33. There is a gap between the specimen preparation transmission device 16 and the specimen curing transmission device 33, and they are at the same horizontal height, so that the specimen 50 can be smoothly transmitted from the specimen preparation system to the specimen curing system.

[0055] The first PLC controller, the second PLC controller, and the third PLC controller in the automatic detection system for concrete specimens of the present invention can be the same PLC controller, or multiple communicatively connected PLC controllers.

[0056] The specimen preparation system, specimen curing system and specimen testing system in the automated testing system for concrete specimens of the present invention can be used individually or in combination, and based on the testing process, the number of each specimen preparation system, specimen curing system and specimen testing system can be increased or decreased, that is, the connection and transmission relationship of each transmission device needs to be adjusted. For example, if the number and time of specimen preparation by the specimen preparation system are large, the specimen preparation system can be increased, and the specimen preparation transmission devices of multiple specimen preparation systems can be connected to the specimen curing system. The automated testing system for concrete specimens of the present invention can be flexibly adjusted according to the problems encountered during actual testing.

[0057] The system adopts a modular design. If the user needs a complete set of full-function control systems, the specimen preparation PLC control system, specimen maintenance PLC control system and specimen testing PLC control system can be mounted under the specimen management software system, and manual control or automatic control can be performed.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described with reference to the preferred embodiments of the present invention, it should be understood by those skilled in the art that various changes may be made in form and details without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A concrete specimen automated testing system, comprising a specimen preparation system, a specimen curing system and a specimen testing system, characterized in that: The specimen preparation system is used to receive concrete samples and make specimens; the specimen curing system is used to cure the prepared specimens; and the specimen testing system is used to test the cured specimens; Transmission devices are arranged inside and between the specimen preparation system, the specimen curing system and the specimen testing system, for transmitting the specimen or the mold inside and between the specimen preparation system, the specimen curing system and the specimen testing system; the transmission devices between the specimen preparation system, the specimen curing system and the specimen testing system are in a disconnected state, and the length of the disconnected gap is smaller than the length of the specimen or the mold, so that the specimen or the mold can pass through the gap.

2. The automatic detection system for concrete specimens according to claim 1 is characterized in that: The specimen preparation system includes a specimen preparation box and a sample receiving device, wherein the specimen preparation box is provided with a specimen pouring and vibrating device, a specimen demoulding device, a first three-coordinate mechanical grasping device, a specimen preparation transmission device, a specimen detection device, a coding device, a drying area and a first PLC controller; The sample receiving device is used to receive concrete samples from the concrete mixing tank, and transfer the concrete samples to the specimen pouring and vibrating device to perform pouring, vibrating and leveling of the specimen through a mold; The test piece detection device is used to detect the test piece after pouring, vibrating and leveling. After the test meets the standard, the first three-coordinate mechanical grasping device moves the mold containing the test piece to the test piece preparation and transmission device, and the test piece preparation and transmission device transmits the mold containing the test piece to the area corresponding to the drying area; The first three-coordinate mechanical grasping device moves the mold containing the test piece that is transferred to the area corresponding to the drying area to the drying area for molding. After molding, the first three-coordinate mechanical grasping device moves the mold containing the test piece to the test piece demoulding device for demoulding. After demoulding, the coding device codes the test piece. The first three-coordinate mechanical grasping device moves the coded test piece to the test piece preparation and transmission device, and the test piece preparation and transmission device transmits the test piece to the test piece maintenance system.

3. The automatic detection system for concrete specimens according to claim 2 is characterized in that: The first PLC controller is used for: The first PLC controller records the batch number of the sampling equipment, where the batch number includes the concrete mixing tank information, the concrete batch information in the concrete mixing tank, and the sampling batch information of the same batch of concrete; When the specimen pouring and vibrating device recognizes that the mold is in the correct pouring position, the first PLC controller controls the specimen pouring and vibrating device to pour, vibrate and level the mold, and records the mold number, and binds the mold number to the batch number; When the specimen pouring and vibrating device completes one pouring, vibrating and scraping process, the first PLC controller controls the specimen detection device to detect the specimen. If the detection meets the standard, the specimen preparation is completed. If the detection does not meet the standard, the first PLC controller controls the specimen pouring and vibrating device to repeat the pouring, vibrating and scraping process until the detection meets the standard. After the test is up to standard, the first PLC controller controls the first three-coordinate mechanical grasping device to move the mold with the test piece, the first PLC controller controls the first three-coordinate mechanical grasping device to identify the mold number of the mold in the area corresponding to the drying area, and move it to the drying area, and bind the mold number of the mold with the area number of the drying area where the mold is placed, the first PLC controller determines the mold number of the mold that has been formed according to the molding time, determines the area number of the mold by the mold number, determines the position of the mold to be moved by the area number, and moves the molded mold by controlling the first three-coordinate mechanical grasping device; The first PLC controller controls the coding device to code the test piece through the batch number and the mold number, and the coding includes the batch number information and the mold number information.

4. The automatic detection system for concrete specimens according to claim 3 is characterized in that: The specimen curing system comprises a specimen curing box; a second three-coordinate mechanical grasping device, a specimen curing transmission device, a specimen storage and curing grid, and a second PLC controller are arranged in the specimen curing box; The specimen curing and transmission device receives the specimen transmitted by the specimen preparation and transmission device, the second three-coordinate mechanical grasping device places the specimen in the specimen storage and curing grid and moves the specimen after curing to the specimen curing and transmission device, and the specimen curing and transmission device transmits the specimen to the specimen testing system.

5. The automatic detection system for concrete specimens according to claim 4 is characterized in that: The second PLC controller records the slot number of the specimen storage and curing slot where the specimen is placed, and binds it to the inkjet code. The second PLC controller determines whether the specimen has been cured by the curing time. When the specimen curing is completed, the second PLC controller determines the slot number of the specimen by the inkjet code, determines the specimen storage location by the slot number, and controls the second three-coordinate mechanical grasping device to move the cured specimen to the specimen curing and transmission device.

6. The automatic detection system for concrete specimens according to claim 5 is characterized in that: The specimen testing system includes a specimen testing box; a size identification device, a pressure testing device, a specimen testing transmission device and a third PLC controller are arranged in the specimen testing box; the specimen testing transmission device receives the specimen transmitted by the specimen maintenance transmission device, and transmits the specimen to the size identification device for coding identification and size and shape detection by inkjet printing, transmits the specimen to the pressure testing device for coding identification and pressure testing by inkjet printing, and transmits the specimen residue after the pressure test to the specimen residue recovery device.

7. The automatic detection system for concrete specimens according to claim 6 is characterized in that: The third PLC controller controls the code recognition and detection of the inkjet coding of the size recognition device and the pressure testing device, records the code of the inkjet coding and the corresponding detection data, and transmits the code of the inkjet coding and the corresponding detection data to the data processing system; the data processing system analyzes the data of the test pieces prepared in different concrete mixing tanks, different concrete batches of the same concrete mixing tank, and different sampling batches of the same batch of concrete through the code of the inkjet coding and the corresponding detection data.

8. The automatic detection system for concrete specimens according to claim 7 is characterized in that: The length of the gap between the specimen preparation transmission device and the specimen curing transmission device and between the specimen curing transmission device and the specimen testing transmission device is 10-30 mm; the conveyor belts of the specimen preparation transmission device, the specimen curing transmission device and the specimen testing transmission device are at the same horizontal height.

9. The automatic detection system for concrete specimens according to claim 8, characterized in that: A mold storage area is also provided in the specimen preparation box; the mold storage area is used for processing and storing the molds after demoulding.

10. A method for automated testing of concrete specimens, characterized in that: A concrete sample is taken out from the concrete mixing tank and is tested in the concrete specimen automatic testing system according to any one of claims 1 to 9.

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