Multifunctional crack scanning device

Abstract

The utility model discloses a multifunctional crack scanning device which comprises a shell base, a shell covers the shell base, a test soil body base is arranged in the shell, and a test soil body and baffles arranged on the two sides of the test soil body are arranged on the test soil body base. A displacement sensor support and a soil body temperature and humidity sensor are arranged on the test soil body base, a Bluetooth vertical displacement sensor is arranged on the displacement sensor support, a probe of the soil body temperature and humidity sensor penetrates through the baffle and extends into the test soil body, and a soil body temperature and humidity adjusting device is connected with one end of a communicating pipe. And the other end of the communicating pipe penetrates through the shell and extends above the test soil body. According to the utility model, the two-dimensional slide rail module and the LED lamp strip at the top can ensure the omnibearing high-definition shooting quality of the Bluetooth camera. The CT scanner and the Bluetooth camera complement each other, and the 3D laser scanner can meet the requirements of detail scanning presentation with higher fineness and soil 3D modeling, so that various scanning requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical engineering, and in particular to a multifunctional crack scanning device, which is applicable to but not limited to scanning cracks in various types of soil crack tests. Background Art

[0002] At present, the devices used in the research of engineering soil cracks on the market have problems such as single scanning mode, backward scanning equipment and low endurance, which cause many inconveniences in the scanning research of engineering soil cracks. This instrument combines a variety of scanning equipment with a variety of test sensors, and adds solar panels and other devices to solve the problems of the current devices, so as to more accurately and conveniently study the influence of complex environment on engineering soil cracks, thus providing a new type of scanning and analysis device for cracks generated in soil under complex environmental conditions. Utility Model Content

[0003] The purpose of the utility model is to provide a multifunctional crack scanning device in view of the above problems existing in the prior art.

[0004] The above-mentioned purpose of the utility model is achieved through the following technical solutions:

[0005] A multifunctional crack scanning device comprises an outer shell base, an outer shell is covered on the outer shell base, a test soil base is arranged in the outer shell, a test soil and baffles arranged on both sides of the test soil are arranged on the test soil base, a displacement sensor bracket and a soil temperature and humidity sensor are arranged on the test soil base, a Bluetooth vertical displacement sensor for measuring the vertical deformation of the test soil is arranged on the displacement sensor bracket, a probe of the soil temperature and humidity sensor extends into the test soil through the baffle, and also includes a soil temperature and humidity adjustment device arranged outside the outer shell, the soil temperature and humidity adjustment device is connected to one end of a connecting pipe, and the other end of the connecting pipe extends through the outer shell to above the test soil.

[0006] As described above, a top two-dimensional slide rail module is arranged at the top of the shell, a CT scanner and a Bluetooth camera are arranged on the slider portion of the top two-dimensional slide rail module, a side two-dimensional slide rail module is arranged at the side of the test soil body in the shell, and a 3D laser scanner is arranged on the sliding portion of the side two-dimensional slide rail module.

[0007] As mentioned above, the side wall inside the housing is provided with an LED light strip.

[0008] As mentioned above, a temperature and humidity meter is arranged in the housing.

[0009] As mentioned above, a fixing plate is arranged at the bottom of the baffle, and the fastening screw passes through the fixing plate and is fixed in the positioning screw hole on the test soil base.

[0010] As mentioned above, a Bluetooth data collector is arranged in the shell, and the Bluetooth data collector is connected to the CT scanner, the 3D laser scanner, the soil temperature and humidity sensor, and the temperature and humidity meter through information transmission lines, the Bluetooth data collector is connected to the computer through Bluetooth, and the Bluetooth camera and the Bluetooth vertical displacement sensor are connected to the computer through Bluetooth.

[0011] As mentioned above, a solar panel is arranged on the top of the shell, and the solar panel provides power to the top two-dimensional slide rail module, CT scanner, Bluetooth camera, Bluetooth vertical displacement sensor, LED light strip, soil temperature and humidity adjustment device, 3D laser scanner, soil temperature and humidity sensor, temperature and humidity meter, computer, Bluetooth data collector, and side two-dimensional slide rail module through photovoltaic connecting cables.

[0012] The utility model and the prior art have the following beneficial effects:

[0013] 1. The top two-dimensional slide rail module and LED light strip can ensure the all-round high-definition shooting quality of the Bluetooth camera.

[0014] 2. The utility model has strong integrity, high space utilization and good airtightness.

[0015] 3. CT scanners and Bluetooth cameras complement each other. 3D laser scanners can meet the needs of higher-precision detail scanning and soil 3D modeling, meeting a variety of scanning needs.

[0016] 4. The Bluetooth camera has an automatic calibration function, no manual calibration is required.

[0017] 5. The data collected by the CT scanner, 3D laser scanner, soil temperature and humidity sensor, and temperature and humidity meter are input into the Bluetooth data collector and then transmitted to the computer via Bluetooth, reducing the cable connections inside and outside the shell.

[0018] 6. Solar panels can improve power supply and maintain high endurance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A multifunctional crack scanning device

[0020] Figure 1In: 1-top two-dimensional slide rail module, 2-CT scanner (the model can be CT 002L micro portable CT scanner), 3-Bluetooth camera, 4-test soil, 5-baffle, 6-Bluetooth vertical displacement sensor, 7-LED light strip, 8-connecting pipe, 9-soil temperature and humidity adjustment device (FHBS standard curing room fully automatic temperature and humidity control equipment), 10-housing base, 11-3D laser scanner (Leica BLK360 G1), 12-soil temperature and humidity sensor, 13-test soil base, 14-temperature and humidity meter, 15-computer (installed with supporting analysis software and can use Bluetooth), 16-solar panel, 17-photovoltaic connection cable, 18-information transmission line, 19-Bluetooth data collector; 20-side two-dimensional slide rail module; 21-housing. DETAILED DESCRIPTION

[0021] In order to facilitate those skilled in the art to understand and use the present invention, the present invention is further described in detail below in conjunction with embodiments. It should be understood that the implementation examples described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0022] Embodiment 1:

[0023] A multifunctional crack scanning device includes an outer shell base 10, on which an outer shell 21 is provided, a test soil base 13 is provided in the outer shell 21, a test soil 4 and baffles 5 provided on both sides of the test soil 4 are provided on the test soil base 13, and the position of the baffles 5 on the test soil base 13 can be adaptively adjusted according to the length of the test soil 4.

[0024] As a preferred solution, a fixing plate is provided at the bottom of the baffle 5, and the fastening screw passes through the fixing plate and is fixed in the positioning screw hole on the test soil base 13.

[0025] A displacement sensor bracket and a soil temperature and humidity sensor 12 are provided on the test soil base 13. A Bluetooth vertical displacement sensor 6 for measuring the vertical deformation of the test soil is provided on the displacement sensor bracket. The probe of the soil temperature and humidity sensor 12 extends into the test soil through the baffle 5. The temperature and humidity of the test soil 4 are measured through the soil temperature and humidity sensor 12.

[0026] A top two-dimensional slide rail module 1 is arranged at the top of the shell 21, and two perpendicular directions of the horizontal plane are defined as the X direction and the Y direction, and the Z direction (vertical) is perpendicular to the XY plane. The slider portion of the top two-dimensional slide rail module 1 can realize the movement of each point in the X plane. A CT scanner 2 and a Bluetooth camera 3 are arranged on the slider portion of the top two-dimensional slide rail module 1, so that the CT scanner 2 and the Bluetooth camera 3 can be driven to move on the XY plane. The CT scanner 2 and the Bluetooth camera 3 can realize CT scanning and shooting of the test soil 4 at different positions. A side two-dimensional slide rail module 20 is arranged on the side of the test soil 4 in the shell 21. The slider portion of the side two-dimensional slide rail module (20) can realize movement in the Z direction and the Y direction. A 3D laser scanner 11 is arranged on the sliding portion of the side two-dimensional slide rail module 20, thereby driving the 3D laser scanner 11 to move on the ZY plane to perform 3D laser scanning.

[0027] The side wall inside the housing 21 is provided with an LED light strip 7 for illuminating the inside of the housing 21 .

[0028] A temperature and humidity meter 14 is disposed in the housing 21 for monitoring the temperature and humidity in the housing 21 .

[0029] A multifunctional crack scanning device also includes a soil temperature and humidity adjustment device 9 arranged outside the housing 21, the soil temperature and humidity adjustment device 9 is connected to one end of a connecting pipe 8, the other end of the connecting pipe 8 passes through the housing 21 and extends to the top of the test soil 4, and the soil temperature and humidity adjustment device 9 is used to generate air with set temperature and humidity, and transport it to the housing 21 through the connecting pipe 8 to simulate different environments. In actual use, the temperature and humidity of the air generated by the soil temperature and humidity adjustment device 9 can be adjusted by the temperature and humidity measured by the temperature and humidity meter 14.

[0030] As a preferred solution, a Bluetooth data collector 19 is also provided in the housing 21, and the Bluetooth data collector 19 is also connected to the CT scanner 2, the 3D laser scanner 11, the soil temperature and humidity sensor 12, and the temperature and humidity meter 14 respectively through the information transmission line 18, so as to collect the data collected by the CT scanner 2, the 3D laser scanner 11, the soil temperature and humidity sensor 12, and the temperature and humidity meter 14, and send the data to the computer 15 with Bluetooth connection outside the housing 21 via Bluetooth, and the Bluetooth camera 3 and the Bluetooth vertical displacement sensor 6 are directly connected to the computer 15 with Bluetooth connection outside the housing 21 via Bluetooth.

[0031] As a preferred solution, a solar panel 16 is arranged on the top of the shell 21, and the solar panel 16 provides power to the top two-dimensional slide rail module 1, the CT scanner 2, the Bluetooth camera 3, the Bluetooth vertical displacement sensor 6, the LED light strip 7, the soil temperature and humidity adjustment device 9, the 3D laser scanner 11, the soil temperature and humidity sensor 12, the temperature and humidity meter 14, the computer 15, the Bluetooth data collector 19, and the side two-dimensional slide rail module 20 through the photovoltaic connecting cable 17.

[0032] Embodiment 2:

[0033] The test method of simulating soil under dry-wet cycle state using CT scanner 2 and Bluetooth camera 3 includes the following steps:

[0034] Step 1, prepare the test soil 4, adjust the slidable baffle 5 to fix the test soil 4 on the test soil base 13, install the probe of the soil temperature and humidity sensor 12 in the test soil 4, start the soil temperature and humidity sensor 12 and read the initial reading, start the computer with supporting analysis software and Bluetooth to start data collection, start the Bluetooth vertical displacement sensor 6 and connect it to the computer, and record the initial reading of the temperature and humidity meter 14.

[0035] Step 2, start the soil temperature and humidity adjustment device 9, change the humidity and temperature of the soil according to the dry-wet cycle requirements, set the change cycle, turn on the LED light strips 7 on both sides, start the Bluetooth camera 3, perform automatic calibration and shooting of the Bluetooth camera 3 at regular intervals, start the CT scanner 2 to scan, record the soil crack state, and analyze the impact of the dry-wet cycle on the generation and development of surface cracks in the test soil.

[0036] Step 3: Change the periodic interval conditions and repeat step 2 to obtain the crack state of the test soil under different dry-wet cycles and perform crack analysis statistics.

[0037] Embodiment 3:

[0038] A multifunctional crack scanning device uses a 3D laser scanner 11 to simulate a test method of a test soil body 4 under a freeze-thaw cycle state, comprising the following steps:

[0039] Step 1, prepare the test soil 4, adjust the slidable baffle 5 to fix the test soil 4 on the test soil base 13, install the probe of the soil temperature and humidity sensor 12 in the test soil 4, start the soil temperature and humidity sensor 12 and read the initial reading, start the computer with supporting analysis software and Bluetooth to start data collection, start the Bluetooth vertical displacement sensor 6 and connect it to the computer, and record the initial reading of the temperature and humidity meter 14.

[0040] Step 2: 3D scanning points are attached to the surface of the test soil 4 at intervals, and the humidity and temperature of the soil are changed at intervals according to the freeze-thaw test requirements;

[0041] Step 3: After the freeze-thaw test is completed, turn on the LED light strips 7 on both sides, start the 3D laser scanner 11, perform 3D scanning, upload the data to the Bluetooth data collector 19 and connect to the computer to generate a high-precision and detailed soil crack model in real time.

[0042] Step 4: Change the cycle interval conditions, repeat steps 2 and 3, obtain the crack state of the test soil after freeze-thaw cycles under different cycle intervals, and perform crack analysis statistics.

[0043] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A multifunctional crack scanning device, comprising a housing base (10), characterized in that: A housing (21) is provided on the housing base (10); a test soil base (13) is provided in the housing (21); a test soil (4) and baffles (5) provided on both sides of the test soil (4) are provided on the test soil base (13); a displacement sensor bracket and a soil temperature and humidity sensor (12) are provided on the test soil base (13); a Bluetooth vertical displacement sensor (6) for measuring the vertical deformation of the test soil is provided on the displacement sensor bracket; a probe of the soil temperature and humidity sensor (12) extends through the baffle (5) into the test soil (4); and a soil temperature and humidity adjustment device (9) is provided outside the housing (21); the soil temperature and humidity adjustment device (9) is connected to one end of a connecting pipe (8); the other end of the connecting pipe (8) extends through the housing (21) to the top of the test soil (4).

2. A multifunctional crack scanning device according to claim 1, characterized in that: A top two-dimensional slide rail module (1) is arranged at the top of the shell (21), a CT scanner (2) and a Bluetooth camera (3) are arranged on the sliding block of the top two-dimensional slide rail module (1), a side two-dimensional slide rail module (20) is arranged at the side of the test soil body (4) in the shell (21), and a 3D laser scanner (11) is arranged on the sliding block of the side two-dimensional slide rail module (20).

3. A multifunctional crack scanning device according to claim 2, characterized in that: An LED light strip (7) is arranged on the side wall inside the housing (21).

4. A multifunctional crack scanning device according to claim 3, characterized in that: A temperature and humidity meter (14) is arranged in the housing (21).

5. A multifunctional crack scanning device according to claim 1, characterized in that: A fixing plate is provided at the bottom of the baffle (5), and a fastening screw passes through the fixing plate and is fixed in a positioning screw hole on the test soil base (13).

6. A multifunctional crack scanning device according to claim 4, characterized in that: A Bluetooth data collector (19) is arranged in the housing (21). The Bluetooth data collector (19) is connected to the CT scanner (2), the 3D laser scanner (11), the soil temperature and humidity sensor (12), and the temperature and humidity meter (14) respectively through an information transmission line (18). The Bluetooth data collector (19) is connected to the computer (15) through Bluetooth. The Bluetooth camera (3) and the Bluetooth vertical displacement sensor (6) are connected to the computer (15) respectively through Bluetooth.

7. A multifunctional crack scanning device according to claim 6, characterized in that: A solar panel (16) is arranged on the top of the housing (21), and the solar panel (16) provides power to the top two-dimensional slide rail module (1), the CT scanner (2), the Bluetooth camera (3), the Bluetooth vertical displacement sensor (6), the LED light strip (7), the soil temperature and humidity adjustment device (9), the 3D laser scanner (11), the soil temperature and humidity sensor (12), the temperature and humidity meter (14), the computer (15), the Bluetooth data collector (19), and the side two-dimensional slide rail module (20) through a photovoltaic connection cable (17).

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