Slope expansive soil expansion testing device

Abstract

The utility model relates to the technical field of testing devices, in particular to a slope expansive soil expansion testing device which comprises a base, a multi-condition simulation mechanism is arranged in the base, and the multi-condition simulation mechanism comprises a vibration assembly and a heating assembly. One side of the vibration assembly is fixedly connected with a sample container, one side of the base is fixedly connected with a fixing frame, and one side of the fixing frame is fixedly connected with a sealing cover assembly. The expansive soil testing device has the advantages that the various condition simulation mechanisms are arranged, vibration during municipal road traffic can be simulated through the various simulation mechanisms, the effect of testing the influence of road traffic vibration on expansive soil is achieved, the influence of different temperatures on the expansive soil can be tested, and the expansive soil testing device is suitable for popularization and application. The effect of testing the influence of the sun irradiation temperature rise on the expansive soil is achieved, the problem that a testing device can only simulate the water seepage condition is solved, and the working efficiency and the practical performance of the testing device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a slope expansive soil expansion testing device. Background Art

[0002] Municipal and highway engineering projects play an important role in disaster prevention and mitigation of expansive soils. Expansive soil is a geological body with multiple fractures and significant expansion and contraction formed in the natural geological process. The clay particles are mainly composed of highly hydrophilic minerals montmorillonite and illite. The expansion force is one of the important indicators for evaluating the properties of expansive soil. The accuracy of its measurement is of great significance for studying the mechanical properties of expansive soil and evaluating the disaster-causing mechanism of expansive soil.

[0003] The current testing device can only test the water seepage of expansive soil, but cannot simulate the vibration of municipal highway traffic, nor can it test the impact of increased temperature due to solar radiation on expansive soil, resulting in low working efficiency and poor practical performance of the testing device.

[0004] In this regard, the utility model proposes a slope expansive soil expansion testing device to solve the problem. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] To this end, an object of the utility model is to provide a slope expansive soil expansion testing device, comprising a base, wherein a multi-situation simulation mechanism is arranged inside the base, and the multi-situation simulation mechanism includes a vibration component and a heating component, one side of the vibration component is fixedly connected to a sample container, one side of the base is fixedly connected to a fixing frame, one side of the fixing frame is fixedly connected to a sealing assembly, and one side of the fixing frame is provided with a water injection assembly.

[0007] Preferably, in any of the above schemes, a data acquisition display is fixedly connected to one side of the base, and a groove is provided inside the base.

[0008] Preferably, any of the above schemes includes two first motors, one side of the two first motors is fixedly connected to one side of the base, and the output ends of the two first motors are fixedly connected to a rotating shaft.

[0009] The technical effect achieved by adopting the above solution is: the rotating shaft is driven to rotate through the output end of the first motor.

[0010] Preferably, any of the above schemes has four vibration blocks fixedly connected to the outside of the two rotating shafts, a workbench is arranged above the two rotating shafts, the outside of the workbench is arranged inside the groove, and one side of the workbench is fixedly connected to one side of the sample container.

[0011] Preferably, in any of the above schemes, the heating assembly includes a temperature sensor and a plurality of infrared heating lamps, the exterior of the temperature sensor is fixedly connected to the interior of the sample container, and the exteriors of the plurality of infrared heating lamps are fixedly connected to the interior of the capping assembly.

[0012] Preferably, any of the above schemes is that one side of the sample container is fixedly connected to one side of the workbench, and a pressure sensor is fixedly connected to the interior of the sample container.

[0013] Preferably, any of the above schemes comprises a fixed shell, the exterior of the fixed shell is fixedly connected to the interior of the fixed frame, the interior of the fixed shell is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to a threaded rod.

[0014] The technical effect achieved by adopting the above solution is: the threaded rod is driven to rotate inside the fixed shell by the output end of the second motor.

[0015] Preferably, any of the above schemes is that the external thread of the threaded rod is connected to a telescopic rod, one side of the telescopic rod is fixedly connected to a cover plate, and the inside of the cover plate is fixedly connected to the outside of a plurality of infrared heating lamps.

[0016] Preferably, any of the above schemes comprises a water injection assembly comprising a water tank, one side of the water tank is fixedly connected to one side of the fixed frame, one side of the water tank is fixedly connected to a water injection pipe, the outside of the water injection pipe is fixedly connected to the inside of the fixed frame and the sample container.

[0017] The technical effect achieved by adopting the above scheme is: the water injection pipe supplies water to the sample container through the water tank, and the expansive soil after water infiltration is tested.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] A variety of simulation mechanisms are set up, through which the vibration of municipal highway road traffic can be simulated, which can test the influence of road traffic vibration on expansive soil. The influence of different temperatures on expansive soil can also be tested, which can test the influence of increased solar radiation temperature on expansive soil. This solves the problem that the test device can only simulate water seepage conditions, which is beneficial to improving the working efficiency and practical performance of the test device.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is a schematic diagram of the overall structure according to an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of a first partial structure according to an embodiment of the utility model;

[0024] Figure 3 It is a partial cross-sectional structural schematic diagram according to an embodiment of the utility model;

[0025] Figure 4 It is a schematic diagram of the structure of a vibration component according to an embodiment of the utility model;

[0026] Figure 5 It is a schematic diagram of a second partial structure according to an embodiment of the utility model;

[0027] Figure 6 It is a schematic cross-sectional structural diagram of a cover assembly according to an embodiment of the utility model.

[0028] In the figure: 1-base, 101-data acquisition display, 2-multiple situation simulation mechanism, 201-vibration component, 2011-first motor, 2012-rotating shaft, 2013-vibration block, 2014-workbench, 202-heating component, 2021-temperature sensor, 2022-infrared heating lamp, 3-sample container, 301-pressure sensor, 4-fixed frame, 5-capping component, 501-fixed shell, 502-second motor, 503-threaded rod, 504-telescopic rod, 505-cover plate, 6-water injection component, 601-water tank, 602-water injection pipe. DETAILED DESCRIPTION

[0029] Embodiment 1: Figures 1 to 6As shown, a slope expansive soil expansion test device comprises a base 1, a rubber pad is arranged on one side of the base 1, and the friction of the base 1 is increased by the rubber pad, so that the stability of the base 1 can be improved. A multi-situation simulation mechanism 2 is arranged inside the base 1, and the multi-situation simulation mechanism 2 comprises a vibration component 201 and a heating component 202. The vibration component 201 can simulate the vibration during municipal highway road traffic, and the heating component 202 can simulate the influence of the temperature increase of the sun on the expansive soil. A sample container 3 is fixedly connected to one side of the vibration component 201, and a drainage hole is arranged on one side of the sample container 3. After simulating the water seepage, the water is drained. A fixing frame 4 is fixedly connected to one side of the base 1, and a sealing component 5 is fixedly connected to one side of the fixing frame 4. A water injection component 6 is arranged on one side of the fixing frame 4, and the water injection component 6 can simulate the influence of water seepage on the expansive soil.

[0030] A data acquisition display 101 is fixedly connected to one side of the base 1. The data acquisition display 101 displays the temperature, humidity and other data of the test device, which is convenient for operators to check the records. A groove is provided inside the base 1.

[0031] The vibration assembly 201 includes two first motors 2011, one side of the two first motors 2011 is fixedly connected to one side of the base 1, and the output ends of the two first motors 2011 are fixedly connected to a rotating shaft 2012. The rotating shaft 2012 is driven to rotate by the output ends of the first motors 2011, so that the rotating shaft 2012 drives the vibration block 2013 to rotate.

[0032] Four vibration blocks 2013 are fixedly connected to the outside of the two rotating shafts 2012. A workbench 2014 is arranged above the two rotating shafts 2012. The vibration blocks 2013 rotate to vibrate the workbench 2014, and the workbench 2014 vibrates inside the groove to prevent the workbench 2014 from displacement, thereby simulating the vibration during municipal highway traffic. The outside of the workbench 2014 is arranged inside the groove, and one side of the workbench 2014 is fixedly connected to one side of the sample container 3.

[0033] The heating assembly 202 includes a temperature sensor 2021 and a plurality of infrared heating lamps 2022. The outside of the temperature sensor 2021 is fixedly connected to the inside of the sample container 3. The temperature of the expansive soil is detected in real time by the temperature sensor 2021 and displayed on the data acquisition display 101. The outsides of the plurality of infrared heating lamps 2022 are fixedly connected to the inside of the capping assembly 5. The expansive soil is heated by the infrared heating lamps 2022 to simulate the effect of the temperature increase caused by sunlight on the expansive soil.

[0034] One side of the sample container 3 is fixedly connected to one side of the workbench 2014 , and a pressure sensor 301 is fixedly connected inside the sample container 3 . The expansion force generated by the sample is measured by the pressure sensor 7 , and the expansion force value is directly read through the data acquisition and display device 101 .

[0035] The cover assembly 5 includes a fixed shell 501, a protrusion is provided inside the fixed shell 501, the outside of the fixed shell 501 is fixedly connected to the inside of the fixed frame 4, the inside of the fixed shell 501 is fixedly connected to a second motor 502, and the output end of the second motor 502 is fixedly connected to a threaded rod 503, and the threaded rod 503 is driven to rotate inside the fixed shell 501 through the output end of the second motor 502.

[0036] The external threaded connection of the threaded rod 503 has a telescopic rod 504, and a limit block is arranged on the outside of the telescopic rod 504. A through groove adapted to the protrusion is opened on one side of the limit block, and the telescopic rod 504 is restricted by the cooperation between the protrusion and the through groove to prevent the telescopic rod 504 from rotating when the threaded rod 503 rotates. A cover plate 505 is fixedly connected to one side of the telescopic rod 504. The rotation of the threaded rod 503 causes the telescopic rod 504 to extend and retract along the threaded rod 503, thereby driving the cover plate 505 to rise and fall, thereby sealing the sample container 3. The interior of the cover plate 505 is fixedly connected to the exterior of several infrared heating lamps 2022.

[0037] The water injection assembly 6 includes a water tank 601, one side of the water tank 601 is fixedly connected to one side of the fixed frame 4, one side of the water tank 601 is fixedly connected to a water injection pipe 602, the outside of the water injection pipe 602 is fixedly connected to the fixed frame 4 and the inside of the sample container 3, the water injection pipe 602 supplies water through the water tank 601 to inject water into the sample container 3, and then the expansive soil after water infiltration is tested through the pressure sensor 301.

[0038] The first motor 2011, the second motor 502 and other electrical components appearing in the utility model are all connected to the external main controller and the 220V AC power through a transformer, and the main controller can be a conventional known device that controls a computer, etc. The electrical components provided by the utility model are only used for the technical solution according to the structural characteristics of the product. The product will be adjusted and modified after purchase to make it more matching and in line with the technical solution of the utility model. It is a technical solution for the best application of the technical solution. The model of the product can be replaced and modified according to the required technical parameters. It is well known to the technical personnel in this field. Therefore, the technical personnel in this field can clearly obtain the corresponding use effect through the technical solution provided by the utility model.

[0039] Embodiment 2: A protection component may be provided on the basis of embodiment 1, and the protection component may be used to protect the test device from damage caused by external collision, which is beneficial to improving the safety performance of the test device and extending its service life.

[0040] A slope expansive soil expansion test device, the working principle is as follows:

[0041] The operator places the sample in the sample container 3, and the data acquisition display 101 displays the temperature, humidity and other data of the test device. The output end of the second motor 502 of the cover assembly 5 drives the threaded rod 503 to rotate, so that the telescopic rod 504 is telescoped along the threaded rod 503, thereby driving the cover plate 505 to descend and seal the sample container 3. The multiple situation simulation mechanism 2 drives the rotating shaft 2012 to rotate through the output end of the first motor 2011, so that the rotating shaft 2012 drives the vibration block 2013 to rotate, and the vibration block 2013 rotates to vibrate the workbench 2014. The workbench 2014 vibrates inside the groove to prevent the workbench 2014 from being displaced, thereby simulating the vibration of municipal highway road traffic, and then the expansive soil is heated by the infrared heating lamp 2022 to simulate the effect of the temperature increase of the sun on the expansive soil. The sample container 3 can also be filled with water through the water injection pipe 602, and then the expansive soil after water infiltration is tested through the pressure sensor 301. The expansion force generated by the sample is measured by the pressure sensor 7, and the expansion force value is directly read through the data acquisition and display device 101, so that the operator can view and record it conveniently.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] A plurality of situation simulation mechanisms 2 are provided, through which the vibration of municipal highway road traffic can be simulated, thereby testing the effect of road traffic vibration on expansive soil. The effect of different temperatures on expansive soil can also be tested, thereby testing the effect of increased solar radiation temperature on expansive soil. This solves the problem that the test device can only simulate water seepage conditions, which is beneficial to improving the working efficiency and practical performance of the test device.

Claims

1. A slope expansive soil expansion test device, characterized in that: The invention comprises a base (1), wherein a multi-situation simulation mechanism (2) is arranged inside the base (1), wherein the multi-situation simulation mechanism (2) comprises a vibration component (201) and a heating component (202), wherein a sample container (3) is fixedly connected to one side of the vibration component (201), a fixing frame (4) is fixedly connected to one side of the base (1), a sealing component (5) is fixedly connected to one side of the fixing frame (4), and a water injection component (6) is arranged on one side of the fixing frame (4).

2. A slope expansive soil expansion testing device according to claim 1, characterized in that: A data acquisition display (101) is fixedly connected to one side of the base (1), and a groove is provided inside the base (1).

3. A slope expansive soil expansion testing device according to claim 2, characterized in that: The vibration component (201) comprises two first motors (2011), one side of the two first motors (2011) is fixedly connected to one side of the base (1), and the output ends of the two first motors (2011) are fixedly connected to a rotating shaft (2012).

4. A slope expansive soil expansion testing device according to claim 3, characterized in that: Four vibration blocks (2013) are fixedly connected to the outside of the two rotating shafts (2012), a workbench (2014) is arranged above the two rotating shafts (2012), the outside of the workbench (2014) is arranged inside the groove, and one side of the workbench (2014) is fixedly connected to one side of the sample container (3).

5. A slope expansive soil expansion testing device according to claim 4, characterized in that: The heating component (202) includes a temperature sensor (2021) and a plurality of infrared heating lamps (2022), the outside of the temperature sensor (2021) is fixedly connected to the inside of the sample container (3), and the outsides of the plurality of infrared heating lamps (2022) are fixedly connected to the inside of the sealing component (5).

6. A slope expansive soil expansion testing device according to claim 5, characterized in that: One side of the sample container (3) is fixedly connected to one side of the workbench (2014), and a pressure sensor (301) is fixedly connected inside the sample container (3).

7. A slope expansive soil expansion testing device according to claim 6, characterized in that: The sealing cover assembly (5) comprises a fixed shell (501), the exterior of the fixed shell (501) being fixedly connected to the interior of the fixed frame (4), the interior of the fixed shell (501) being fixedly connected to a second motor (502), and the output end of the second motor (502) being fixedly connected to a threaded rod (503).

8. A slope expansive soil expansion testing device according to claim 7, characterized in that: The threaded rod (503) is externally threadedly connected to a telescopic rod (504), one side of the telescopic rod (504) is fixedly connected to a cover plate (505), and the interior of the cover plate (505) is fixedly connected to the exterior of a plurality of infrared heating lamps (2022).

9. A slope expansive soil expansion testing device according to claim 8, characterized in that: The water injection assembly (6) comprises a water tank (601), one side of the water tank (601) is fixedly connected to one side of the fixed frame (4), one side of the water tank (601) is fixedly connected to a water injection pipe (602), the outside of the water injection pipe (602) is fixedly connected to the inside of the fixed frame (4) and the sample container (3).

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