A device for testing the strength of reinforced and solidified saline soil

Abstract

This utility model discloses a strength testing device for reinforced and solidified saline soil, relating to the field of saline soil strength testing technology. It includes a base, and further includes: a first bracket fixed to the top of the base, a support frame fixed to the top of the first bracket, a vertically installed tank on the inner wall of the support frame, a sealing cap on the top of the tank, a driving assembly on the top of the tank, and a scraper and stirring blades respectively installed inside the tank. The beneficial effects of this utility model are: the stirring blades inside the tank are driven to rotate by the driving assembly, which can fully stir the saline soil, ensuring uniform mixing of the saline soil and reinforcement materials, making the physical properties of the saline soil sample consistent, laying the foundation for accurate strength testing. Simultaneously, the synchronous rotation of the scraper can prevent saline soil from adhering to the inner wall of the tank, ensuring efficient and complete stirring, avoiding insufficient stirring due to material residue, and improving stirring quality.

Description

Technical Field

[0001] This utility model relates to the field of saline soil strength testing technology, and in particular to a reinforced and solidified saline soil strength testing device. Background Technology

[0002] Saline soil is a general term for saline soil, alkaline soil, and various salinized and alkalized soils. Saline soil refers to soil with a soluble salt content that is significantly harmful to crop growth. The salt content index varies depending on the salt composition. Alkaline soil refers to soil containing a large amount of exchangeable sodium that is harmful to plant growth and changes soil properties. Saline soil is mainly distributed in inland arid and semi-arid regions.

[0003] Saline soil, as a special type of soil, is characterized by high salt content and easy erosion upon contact with water, resulting in a significant reduction in soil strength and stability. This easily leads to engineering problems such as foundation settlement and pavement cracking. In construction projects, insufficient bearing capacity of saline soil foundations may cause building tilting or cracking. Therefore, a reinforced and solidified saline soil strength testing device is needed to accurately test the strength and stability of saline soil. However, existing reinforced and solidified saline soil strength testing devices have difficulty ensuring the uniformity of the mixing of saline soil, solidifying agent, and reinforcement materials when preparing samples for strength testing. This can lead to significant differences in the strength of the samples, affecting the accuracy of the test results. In addition, the process of transferring the samples to the testing location after preparation is often cumbersome, which not only increases the testing time but may also damage the samples due to improper operation, further affecting the smooth progress of the test. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A strength testing device for reinforced and solidified saline soil includes a base, a first bracket fixed to the top of the base, a support frame fixed to the top of the first bracket, a vertically installed tank on the inner wall of the support frame, a sealing cover on the top of the tank, a drive assembly on the top of the tank, and a scraper and a stirring blade respectively installed inside the tank.

[0007] The base has a transmission component inside, a mold is set on the top of the base, two sets of sliders are fixed on the outside of the mold, and two sets of sliding grooves are opened on the inner wall of the base, and the inner wall of the sliding groove is slidably connected to the outer side of the slider.

[0008] As a preferred embodiment of the reinforced and solidified saline soil strength testing device of this utility model, the driving component includes a fixed frame installed on the top of the sealing cover, a first motor installed vertically on the inner wall of the fixed frame, a rotating rod fixed to the output end of the first motor, and the end of the rotating rod away from the first motor passes through the top of the sealing cover and extends into the interior of the tank, and the outer side of the rotating rod is fixedly connected to the axis of the scraper and the stirring blade respectively.

[0009] In a preferred embodiment of the reinforced and solidified saline soil strength testing device of this utility model, the transmission component includes a second motor disposed inside the base, the output end of the second motor is fixed with a threaded rod, and the end of the threaded rod away from the second motor is rotatably connected to the inner wall of the base, the outer side of the threaded rod is threadedly connected with a movable block, and the top of the movable block is fixedly connected to the bottom of the mold.

[0010] In a preferred embodiment of the reinforced and solidified saline soil strength testing device of this utility model, a second bracket is fixed to the top of the base, and a vertically installed cylinder is provided on the inner wall of the second bracket.

[0011] In a preferred embodiment of the reinforced and solidified saline soil strength testing device of this utility model, the piston rod of the cylinder is equipped with a pressure plate, and two sets of sliding rods are fixed on the top of the pressure plate, with the outer side of the sliding rods slidably connected to the inner wall of the second bracket.

[0012] In a preferred embodiment of the reinforced and solidified saline soil strength testing device of this utility model, a funnel and a fixed seat are respectively fixed on the inner wall of the first support, a support seat is fixed on one side of the fixed seat, and a conveying hopper is rotatably connected to the inner wall of the fixed seat.

[0013] As a preferred embodiment of the reinforced and solidified saline soil strength testing device of this utility model, the bottom of the tank is connected to a vertically arranged conveying pipe, and the outlet of the conveying pipe corresponds to the inlet of the funnel. A valve is provided on the outside of the conveying pipe.

[0014] In summary, this utility model has the following beneficial effects:

[0015] 1. The stirring blades inside the tank are driven by the drive assembly to rotate, which can fully stir the saline soil and ensure that the saline soil and reinforcement materials are mixed evenly, so that the physical properties of the saline soil sample are consistent, laying the foundation for accurate strength testing in the future. At the same time, the synchronous rotation of the scraper can prevent the saline soil from adhering to the inner wall of the tank, ensuring that the stirring process is efficient and complete, avoiding insufficient stirring due to material residue, and improving the stirring quality.

[0016] 2. The mold is moved by the transmission component. The screw drive between the screw rod and the movable block can accurately control the position of the mold. The slider on the outside of the mold is slidably connected to the groove on the inner wall of the base, so that the mold moves smoothly and is accurately positioned. The mold can be moved quickly and accurately under the pressure plate for pressure testing, which can improve the testing efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a structural diagram of a strength testing device for reinforced and solidified saline soil.

[0019] Figure 2 Another structural view of the device for testing the strength of reinforced and solidified saline soil.

[0020] Figure 3 This is a structural diagram of the transmission component for a strength testing device for reinforced and solidified saline soil.

[0021] Figure 4 This is a structural diagram of the conveying hopper for a strength testing device for reinforced and solidified saline soil.

[0022] Figure 5 This is a structural diagram of the drive component for a strength testing device for reinforced and solidified saline soil.

[0023] The following are the labeling elements in the diagram: 1. Base; 2. First bracket; 3. Support frame; 4. Tank body; 5. Sealing cover; 6. Drive assembly; 61. Fixed frame; 62. First motor; 63. Rotating rod; 7. Scraper; 8. Stirring blade; 9. Transmission assembly; 91. Second motor; 92. Threaded rod; 93. Movable block; 10. Mold; 11. Sliding block; 12. Slide groove; 13. Second bracket; 14. Cylinder; 15. Pressure plate; 16. Slide rod; 17. Funnel; 18. Fixed seat; 19. Support seat; 20. Feed hopper; 21. Feed pipe; 22. Valve. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0027] Example 1:

[0028] Reference Figures 1-5 This is the first embodiment of the present invention. This embodiment provides a reinforced and solidified saline soil strength testing device, including a base 1, a first bracket 2 fixed on the top of the base 1, a support frame 3 fixed on the top of the first bracket 2, a vertically installed tank 4 on the inner wall of the support frame 3, a sealing cover 5 on the top of the tank 4, a drive assembly 6 on the top of the tank 4, and a scraper 7 and a stirring blade 8 respectively inside the tank 4.

[0029] The base 1 serves as the fundamental support component of the entire device, providing installation positions for other components and ensuring the overall stability of the device. The first bracket 2 supports the support frame 3 fixed on top of it, thus providing a stable installation platform for components such as the tank 4. The support frame 3 is used to install the tank 4, maintaining its stability during operation and preventing it from shaking. The tank 4 serves as the main container for mixing saline soil, providing space for mixing saline soil, reinforcing materials, etc. The sealing cap 5 seals the top of the tank 4 to prevent material leakage during mixing, while ensuring the relative stability of the internal environment of the tank 4 and providing an installation position for the drive assembly 6. The drive assembly 6 can be positioned within its internal... The structure drives the scraper 7 and the stirring blade 8 to rotate. The scraper 7 rotates under the drive component 6, which can scrape off the material adhering to the inner wall of the tank 4, avoiding material residue that may affect the subsequent mixing effect and output, and ensuring the accuracy of the material in each test. The stirring blade 8 rotates under the drive component 6, which can fully mix the saline soil, reinforcing materials, etc. in the tank 4, so that the material is evenly distributed, ensuring the consistency of the prepared sample quality and improving the reliability of the test results. It should be noted that the top of the sealing cover 5 is equipped with a feeding hopper, through which saline soil, reinforcing materials, etc. can be poured into the tank 4. At the same time, the top of the feeding hopper is equipped with a top cover to seal the feeding port of the feeding hopper.

[0030] The base 1 has a transmission component 9 inside, a mold 10 is set on the top of the base 1, two sets of sliders 11 are fixed on the outside of the mold 10, and two sets of sliding grooves 12 are opened on the inner wall of the base 1, and the inner wall of the sliding grooves 12 is slidably connected to the outer side of the sliders 11.

[0031] The transmission component 9 is designed to drive the mold 10 to move through its internal structure, enabling automatic feeding and withdrawal of the mold 10. This facilitates the filling of materials and the removal of samples. The mold 10 is used to hold the mixed reinforced and solidified saline soil, forming samples of specific shapes and sizes for subsequent strength testing. The slider 11 is fixed to the outside of the mold 10 and is slidably connected to the groove 12 opened on the inner wall of the base 1. This provides guidance for the movement of the mold 10, ensuring that the mold 10 remains stable during movement and does not deviate. The mold 10 can only move along the direction of the groove 12, which facilitates alignment with the conveying pipe 21 and the pressure plate 15, enabling accurate filling of materials and pressing of samples.

[0032] Example 2:

[0033] This is the second embodiment of the present invention, which is based on the previous embodiment.

[0034] Specifically, the drive assembly 6 includes a mounting bracket 61 installed on the top of the sealing cover 5. A first motor 62 is vertically mounted on the inner wall of the mounting bracket 61. A rotating rod 63 is fixed to the output end of the first motor 62. The end of the rotating rod 63 away from the first motor 62 passes through the top of the sealing cover 5 and extends into the interior of the tank 4. The outer side of the rotating rod 63 is fixedly connected to the axis of the scraper 7 and the stirring blade 8, respectively.

[0035] The first motor 62 is mounted on the top of the sealing cover 5 via the fixing bracket 61. The first motor 62 serves as a power source, providing power for the rotation of the stirring blade 8 and the scraper 7. The first motor 62 drives the rotating rod 63 to rotate, and the rotating rod 63 is fixedly connected to the axis of the scraper 7 and the stirring blade 8 respectively, thereby driving the stirring blade 8 to stir and mix the materials such as saline soil in the tank 4, so that the materials are fully and evenly mixed; at the same time, it drives the scraper 7 to rotate, preventing the materials from sticking to the inner wall of the tank 4, ensuring the mixing effect and smooth discharge.

[0036] Specifically, a funnel 17 and a fixed seat 18 are fixed to the inner wall of the first support 2, a support seat 19 is fixed to one side of the fixed seat 18, and a conveying hopper 20 is rotatably connected to the inner wall of the fixed seat 18.

[0037] The funnel 17 is located on the inner wall of the first support 2 and corresponds to the discharge port of the conveying pipe 21 at the bottom of the tank 4. It guides the material so that the material flowing out of the conveying pipe 21 can fall accurately into the conveying hopper 20 and avoid spillage. The fixed seat 18 is fixed to the inner wall of the first support 2 and is used to install the conveying hopper 20. The support seat 19 provides auxiliary support for the conveying hopper 20 to ensure that the conveying hopper 20 is installed stably. The conveying hopper 20 is rotatably connected to the inner wall of the fixed seat 18 and the angle can be adjusted as needed to further guide the material to fall accurately into the mold 10.

[0038] Specifically, the bottom of the tank 4 is connected to a vertically arranged conveying pipe 21, and the outlet of the conveying pipe 21 corresponds to the inlet of the funnel 17. A valve 22 is provided on the outside of the conveying pipe 21.

[0039] The conveying pipe 21 is vertically installed at the bottom of the tank 4, with one end connected to the tank 4 and the other end outlet corresponding to the inlet of the funnel 17. It is used to convey the mixed reinforced and solidified saline soil in the tank 4 to the funnel 17. The valve 22 is installed on the outside of the conveying pipe 21 to control the opening and closing of the conveying pipe 21, thereby controlling the outflow of material, realizing quantitative discharge, and ensuring that the amount of material in each sample is consistent.

[0040] Example 3:

[0041] This is the third embodiment of the present invention, which is based on the first two embodiments.

[0042] Specifically, the transmission assembly 9 includes a second motor 91 disposed inside the base 1. The output end of the second motor 91 is fixed with a threaded rod 92, and the end of the threaded rod 92 away from the second motor 91 is rotatably connected to the inner wall of the base 1. The outer side of the threaded rod 92 is threadedly connected with a movable block 93, and the top of the movable block 93 is fixedly connected to the bottom of the mold 10.

[0043] The second motor 91 serves as a power source to drive the threaded rod 92 fixed at its output end to rotate. The threaded rod 92 is threadedly connected to the movable block 93, and the top of the movable block 93 is fixedly connected to the bottom of the mold 10. When the threaded rod 92 rotates, the movable block 93 drives the mold 10 to move axially along the threaded rod 92, thereby realizing the automatic feeding and unloading of the mold 10, which facilitates the filling of materials and the removal of samples.

[0044] Specifically, a second bracket 13 is fixed to the top of the base 1, and a vertically mounted cylinder 14 is provided on the inner wall of the second bracket 13.

[0045] The second bracket 13 provides an installation position for the cylinder 14, supporting its stable operation. As a power component, the cylinder 14 has a piston rod with a pressure plate 15. The extension and retraction of the piston rod drives the pressure plate 15 to move up and down, compacting the reinforced and solidified saline soil in the mold 10 to form a sample with a certain density, preparing for strength testing. It should be noted that the cylinder 14 is composed of an air compressor, an air tank, a filter pressure reducing valve, a directional control valve, and a flow control valve. During use, the air compressor compresses the ambient air to a set pressure and stores it in the air tank. The filter pressure reducing valve further purifies the air and stabilizes the pressure, delivering it to the control valve through an air pipe. The directional control valve switches the airflow channel according to an electrical signal, determining the extension and retraction direction of the cylinder 14. The flow control valve adjusts the airflow speed, controlling the movement speed of the cylinder 14. Compressed air enters the rodless chamber or rodless cavity of the cylinder 14, pushing the piston to move. The piston drives the piston rod to output linear reciprocating motion.

[0046] Specifically, the piston rod of cylinder 14 is fitted with a pressure plate 15, and two sets of sliding rods 16 are fixed to the top of the pressure plate 15, with the outer side of the sliding rods 16 slidably connected to the inner wall of the second bracket 13.

[0047] The pressure plate 15, driven by the cylinder 14, applies pressure to the material inside the mold 10, causing the material to bind tightly and form a sample that meets the strength test requirements. The slide rod 16 is fixedly connected to the top of the pressure plate 15 and slidably connected to the inner wall of the second bracket 13 on the outside. It guides the movement of the pressure plate 15, ensuring that the pressure plate 15 remains stable during its up-and-down movement and does not deviate. This ensures that the pressure applied to the material inside the mold 10 is uniform and improves the quality of sample preparation.

[0048] When strength testing of saline soil is required, the saline soil is first prepared by placing the raw material into tank 4. The first motor 62 in the drive assembly 6 is then started. The output of the first motor 62 drives the rotating rod 63 to rotate. Since the rotating rod 63 is fixedly connected to the axis of the scraper 7 and the stirring blade 8, the rotation of the rotating rod 63 will drive the scraper 7 and the stirring blade 8 to rotate synchronously. The stirring blade 8 thoroughly stirs the saline soil in tank 4 to make it uniformly mixed, while the scraper 7 prevents the saline soil from being mixed evenly. Adhesive to the inner wall of tank 4 to ensure mixing effect. After the saline soil is mixed, open valve 22 on conveying pipe 21. The mixed saline soil is discharged through conveying pipe 21 and falls into funnel 17 corresponding to its outlet. The saline soil then falls into conveying hopper 20 through funnel 17. At this time, conveying hopper 20 can be rotated to accurately pour the saline soil into mold 10 above base 1. After mold 10 is full of saline soil, start the second motor 91 in transmission assembly 9. The output end drives the threaded rod 92 to rotate. Since the threaded rod 92 is threadedly connected to the movable block 93, and the top of the movable block 93 is fixedly connected to the bottom of the mold 10, the rotation of the threaded rod 92 will drive the movable block 93 to move along the axial direction of the threaded rod 92, thereby driving the mold 10 to slide in the slide groove 12 on the inner wall of the base 1 through the slider 11, moving the mold 10 directly below the pressure plate 15. Then, the cylinder 14 on the inner wall of the second bracket 13 is activated. The piston rod of the cylinder 14 pushes the pressure plate 15 downward to pressurize the saline soil in the mold 10. The slide rod 16 on the top of the pressure plate 15 slides on the inner wall of the second bracket 13 to ensure that the pressure plate 15 presses down vertically, so that the saline soil is subjected to uniform force. As the pressure increases, the deformation of the saline soil can be observed. When the saline soil reaches its ultimate bearing capacity and fails, the pressure value at this time is recorded. By analyzing the relationship between the pressure value and the cross-sectional area of ​​the mold 10, the strength of the saline soil can be calculated, thereby completing the test of the strength of the reinforced and solidified saline soil.

[0049] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A strength testing device for reinforced and solidified saline soil, comprising a base (1), characterized in that: The base (1) is fixed with a first bracket (2) at the top, and a support frame (3) is fixed with the top of the first bracket (2). A vertically installed tank (4) is provided on the inner wall of the support frame (3). A sealing cover (5) is provided on the top of the tank (4). A drive assembly (6) is provided on the top of the tank (4). A scraper (7) and a stirring blade (8) are respectively provided inside the tank (4). The base (1) is provided with a transmission component (9) inside, and a mold (10) is provided above the base (1). Two sets of sliders (11) are fixed on the outside of the mold (10). Two sets of sliding grooves (12) are provided on the inner wall of the base (1), and the inner wall of the sliding groove (12) is slidably connected to the outer side of the slider (11).

2. The reinforced and solidified saline soil strength testing device as described in claim 1, characterized in that: The drive assembly (6) includes a mounting bracket (61) installed on the top of the sealing cover (5). The inner wall of the mounting bracket (61) is provided with a vertically mounted first motor (62). The output end of the first motor (62) is fixed with a rotating rod (63). The end of the rotating rod (63) away from the first motor (62) passes through the top of the sealing cover (5) and extends into the interior of the tank (4). The outer side of the rotating rod (63) is fixedly connected to the axis of the scraper (7) and the stirring blade (8).

3. The reinforced and solidified saline soil strength testing device as described in claim 1, characterized in that: The transmission assembly (9) includes a second motor (91) disposed inside the base (1). The output end of the second motor (91) is fixed with a threaded rod (92), and the end of the threaded rod (92) away from the second motor (91) is rotatably connected to the inner wall of the base (1). The outer side of the threaded rod (92) is threadedly connected with a movable block (93), and the top of the movable block (93) is fixedly connected to the bottom of the mold (10).

4. The reinforced and solidified saline soil strength testing device as described in claim 1, characterized in that: The top of the base (1) is fixed with a second bracket (13), and the inner wall of the second bracket (13) is provided with a vertically installed cylinder (14).

5. The reinforced and solidified saline soil strength testing device as described in claim 4, characterized in that: The piston rod of the cylinder (14) is fitted with a pressure plate (15), and two sets of slide rods (16) are fixed on the top of the pressure plate (15), with the outer side of the slide rods (16) slidably connected to the inner wall of the second bracket (13).

6. The reinforcement and solidification saline soil strength testing device as described in claim 1, characterized in that: The inner wall of the first bracket (2) is fixed with a funnel (17) and a fixed seat (18). A support seat (19) is fixed on one side of the fixed seat (18). A conveying hopper (20) is rotatably connected to the inner wall of the fixed seat (18).

7. The reinforced and solidified saline soil strength testing device as described in claim 6, characterized in that: The bottom of the tank (4) is connected to a vertically arranged conveying pipe (21), and the outlet of the conveying pipe (21) corresponds to the inlet of the funnel (17). A valve (22) is provided on the outside of the conveying pipe (21).

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