Novel soil body shearing experiment device

Abstract

The utility model relates to the technical field of soil body shearing experiment devices, in particular to a novel soil body shearing experiment device which comprises a shearing experiment device body, a second support arranged above the shearing experiment device body, a glass cover arranged above the second support, a first support arranged on the lower end face of the glass cover, and a second support arranged on the lower end face of the first support. An inserting groove is formed in the second support, permeable stone is arranged in the inserting groove, a sealing gasket is arranged in the inserting groove, a positioning inserting block inserted into the inserting groove is arranged on the lower end face of the first support, a sealing groove is formed in the surface of the first support, and the sealing gasket is clamped into the sealing groove; u-shaped buckle blocks are fixedly arranged on three end feet of the upper end face of the first support, and second movable plates are arranged at the front ends and the rear ends of three end feet outside the second support. According to the utility model, the sealing effect between the two supports is enhanced, and the three external end feet are reinforced and buckled, so that the connection between the two supports is improved, the sealing effect is enhanced, and the experiment efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of soil shear test apparatus, and in particular to a novel soil shear test apparatus. Background Technology

[0002] The triaxial shear test, also known as the triaxial compression test, is a test in which soil samples are sheared on a triaxial compression apparatus. The main procedure is to place a cylindrical sample in a sealed pressure cylinder with a rubber diaphragm, apply confining pressure through liquid, and apply vertical pressure through a force transmission rod, gradually increasing the vertical pressure until shear failure. Then, according to Mohr's strength theory, the envelope of the ultimate stress circle is plotted using the stress circle, which is the shear strength curve of the soil.

[0003] The shear test apparatus requires a triaxial apparatus and corresponding auxiliary equipment, including a sampler, a saturator, and a soil cutter. However, the connection between the two supports of the existing saturator is not perfect, and it is only fixed by a screw, which has poor sealing performance. This makes it impossible to carry out subsequent experiments, affects subsequent testing, and reduces work efficiency.

[0004] Therefore, to address the problem that the poor sealing between the two supports in the existing shearing test device affects the accuracy of subsequent test data, a method can be designed to enhance the sealing between the two supports. This method improves the efficiency of the experiment by using movable buckles and ensuring proper sealing between the supports. Utility Model Content

[0005] To overcome the problem that the poor sealing between the two supports in the existing shear test device affects the accuracy of subsequent test data.

[0006] The technical solution of this utility model is as follows: a novel soil shearing test device, comprising a shearing test device body, a second support above the shearing test device body, a glass cover above the second support, a first support on the lower end face of the glass cover, a slot inside the second support, a permeable stone inside the slot, a sealing gasket inside the slot, a positioning block inserted into the slot on the lower end face of the first support, a sealing groove on the surface of the first support, the sealing gasket being inserted into the sealing groove, U-shaped buckle blocks being fixedly installed on the three ends of the upper end face of the first support, second movable plates being installed at the front and rear ends of the three ends of the outer side of the second support, a first movable plate being movably connected above the two second movable plates, a buckle body being movably connected between the two first movable plates, and the U-shaped buckle blocks being snapped into the buckle body.

[0007] Preferably, the shear test device is constructed by fitting a glass cover over the outside of the sample, aligning the positioning block on the lower end of the first support with the slot inside the second support, and inserting it in place. The sealing gasket inside the second support is also inserted into the sealing groove inside the first support to enhance the sealing performance. To fix the two supports, the second movable plate is first moved to fold to one side, which in turn causes the first movable plate connected above to fold to one side as well. When the buckle body is above the first support, the position of the buckle body is adjusted so that it aligns with the U-shaped buckle block and is snapped in place. This strengthens the fixation between the two supports and improves the sealing effect between them.

[0008] Preferably, guide rods are provided on both the left and right sides of the upper end face of the shearing experimental device, and a connecting plate located above the two guide rods is slidably sleeved on the outside of the two guide rods.

[0009] Preferably, a pressure control unit is provided above the connecting plate, a pressure ball is provided inside the pressure control unit, and a pressure gauge is provided at the front end of the pressure control unit.

[0010] Preferably, a buffer section is provided below the second support and above the main body of the shearing experimental device. A water pump is connected to one side of the second support, and a water pipe is connected to one side of the water pump.

[0011] Preferably, the three ends of the outer surfaces of the first and second supports are provided with arc-shaped grooves, and the arc-shaped groove of the second support is provided with a threaded rod.

[0012] Preferably, the front and rear ends of the three end feet on the lower end face of the second support are provided with second arc-shaped plates located at both ends of the two second movable plates, and a second movable shaft is movably connected between the two second arc-shaped plates and the two second movable plates.

[0013] Preferably, the front and rear ends of the three external feet of the second support are provided with first arc-shaped plates located at both ends of the two first movable plates, and a first movable shaft is movably connected between the two first arc-shaped plates and the two first movable plates. A short shaft is movably connected between the buckle body and the two first movable plates.

[0014] The beneficial effects of this utility model are:

[0015] The shear test apparatus is constructed by attaching a glass cover to the outside of the sample. The positioning block on the lower end of the first support is aligned with the slot inside the second support and inserted. The sealing gasket inside the second support is also inserted into the sealing groove inside the first support to enhance the sealing performance. To fix the two supports, firstly, the second movable plate is moved to fold to one side, which simultaneously causes the first movable plate connected above to fold to one side as well. When the buckle body is above the first support, the position of the buckle body is adjusted so that it aligns with the U-shaped buckle block and is snapped in place. This strengthens the fixation between the two supports and improves the sealing effect between them. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the shearing experimental device of this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the support connection structure of this utility model.

[0018] Figure 3 This utility model is shown. Figure 2 A magnified schematic diagram of the three-dimensional structure at point A;

[0019] Figure 4 The image shown is a partial three-dimensional side view of the connection structure between the supports of this utility model.

[0020] Figure 5 The image shown is a partial three-dimensional bottom view of the connection structure between the supports of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Shearing experimental apparatus body; 2. Guide rod; 3. Connecting plate; 4. Pressure control unit; 5. Glass cover; 6. First support; 7. Second support; 8. Threaded rod; 9. First arc-shaped plate; 10. First movable shaft; 11. First movable plate; 12. Buckle body; 13. Short shaft; 14. Second movable plate; 15. Second movable shaft; 16. Second arc-shaped plate; 17. U-shaped buckle block; 18. Positioning insert; 19. Permeable stone; 20. Sealing gasket; 21. Slot; 22. Sealing groove. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5This utility model provides an embodiment: a novel soil shearing test device, including a shearing test device body 1, a second support 7 above the shearing test device body 1, a glass cover 5 above the second support 7, a first support 6 on the lower end face of the glass cover 5, a slot 21 inside the second support 7, a permeable stone 19 inside the slot 21, a sealing gasket 20 inside the slot 21, a positioning block 18 inserted into the slot 21 on the lower end face of the first support 6, a sealing groove 22 on the surface of the first support 6, the sealing gasket 20 being inserted into the sealing groove 22, a U-shaped buckle block 17 fixedly installed on the three ends of the upper end face of the first support 6, a second movable plate 14 installed at the front and rear ends of the three ends of the outer side of the second support 7, a first movable plate 11 movably connected above the two second movable plates 14, a buckle body 12 movably connected between the two first movable plates 11, and the U-shaped buckle block 17 being inserted into the buckle body 12.

[0024] Please see Figure 1 In this embodiment, guide rods 2 are provided on both the left and right sides of the upper end face of the shear test device body 1. A connecting plate 3 located above the two guide rods 2 is slidably sleeved on the outside of the two guide rods 2. A pressure control part 4 is provided above the connecting plate 3. A pressure ball is provided inside the pressure control part 4. A pressure gauge is provided at the front end of the pressure control part 4. A buffer part located above the shear test device body 1 is provided below the second support 7. A water pump is connected to one side of the second support 7. Water is connected to one side of the water pump. The glass cover 5 is sleeved on the outside of the sample. The first support 6 below the glass cover 5 contacts and merges with the second support 7 above the shear test device body 1. At this time, the positioning and positioning plug 18 on the lower end face of the first support 6 is aligned with the slot 21 inside the second support 7 and inserted. At the same time, the sealing gasket 20 inside the second support 7 is also inserted into the sealing groove 22 opened inside the first support 6 to enhance the sealing performance.

[0025] Please see Figure 2In this embodiment, the three ends of the outer surfaces of the first support 6 and the second support 7 are all provided with arc-shaped grooves. A threaded rod 8 is provided inside the arc-shaped groove of the second support 7. The front and rear ends of the three ends of the lower surface of the second support 7 are each provided with a second arc-shaped plate 16 located at both ends of the two second movable plates 14. A second movable shaft 15 is movably connected through the two second arc-shaped plates 16 and the two second movable plates 14. The front and rear ends of the three ends of the outer surface of the second support 7 are each provided with a first arc-shaped plate 9 located at both ends of the two first movable plates 11. A first movable shaft 10 is movably connected between the shaped plate 9 and the two first movable plates 11. A short shaft 13 is movably connected between the buckle body 12 and the two first movable plates 11. The three end threaded rods 8 of the first support 6 and the second support 7 are folded upward to fix the two supports. At this time, the second movable plate 14 can also be folded first, so that the second movable plate 14 is folded to one side under the drive of the second movable shaft 15, and at the same time, the first movable plate 11 connected above is folded to one side under the drive of the first movable shaft 10.

[0026] During operation, the glass cover 5 is fitted over the sample. The first support 6 below the glass cover 5 contacts and merges with the second support 7 above the shear test device body 1. At this time, the positioning block 18 on the lower end face of the first support 6 is aligned with the slot 21 inside the second support 7 and inserted. Simultaneously, the sealing gasket 20 inside the second support 7 is also inserted into the sealing groove 22 inside the first support 6 to enhance the sealing. The three threaded rods 8 at the ends of the first support 6 and the second support 7 are folded upwards to fix the two supports. Alternatively, the second movable plate 14 can be folded over first, causing it to fold to one side under the drive of the second movable shaft 15. At the same time, the first movable plate 11 connected above will fold to one side under the drive of the first movable shaft 10, so that the buckle body 12 is located above the first support 6. Adjust the position of the buckle body 12 so that it is aligned with the U-shaped buckle block 17 and snapped in to fix it, thereby improving the fixation between the first support 6 and the second support 7 and improving the sealing effect between the two supports.

[0027] Through the above steps, the glass cover 5 is fitted onto the outside of the sample. At this time, the positioning block 18 on the lower end face of the first support 6 is aligned with the slot 21 inside the second support 7 and inserted. At the same time, the sealing gasket 20 inside the second support 7 is also inserted into the sealing groove 22 opened inside the first support 6 to enhance the sealing performance. This can solve the problem of poor sealing between the two supports of the existing shear test device, which affects the accuracy of subsequent test data.

Claims

1. A novel soil shearing test apparatus, comprising a shearing test apparatus body (1), characterized in that: A second support (7) is provided above the main body (1) of the shearing experimental apparatus. A glass cover (5) is provided above the second support (7). A first support (6) is provided on the lower end face of the glass cover (5). A slot (21) is provided inside the second support (7). A permeable stone (19) is provided inside the slot (21). A sealing gasket (20) is provided inside the slot (21). A positioning plug (18) for insertion into the slot (21) is provided on the lower end face of the first support (6). The surface of the first support (6) A sealing groove (22) is provided, and a sealing gasket (20) is inserted into the sealing groove (22). U-shaped buckle blocks (17) are fixedly provided on the three ends of the upper surface of the first support (6). Second movable plates (14) are provided at the front and rear ends of the three ends of the second support (7). First movable plates (11) are movably connected above the two second movable plates (14). Buckle body (12) is movably connected between the two first movable plates (11). U-shaped buckle blocks (17) are inserted into buckle body (12).

2. The novel soil shear test apparatus according to claim 1, characterized in that: Guide rods (2) are provided on both the left and right sides of the upper end face of the shearing experimental device body (1), and connecting plates (3) located above the two guide rods (2) are slidably sleeved on the outside of the two guide rods (2).

3. The novel soil shear test apparatus according to claim 2, characterized in that: A pressure control unit (4) is provided above the connecting plate (3), a pressure ball is provided inside the pressure control unit (4), and a pressure gauge is provided at the front end of the pressure control unit (4).

4. The novel soil shear test apparatus according to claim 1, characterized in that: Below the second support (7) is a buffer section located above the shearing experimental device body (1). A water pump is connected to one side of the second support (7), and a water pipe is connected to one side of the water pump.

5. A novel soil shear test apparatus according to claim 1, characterized in that: The three ends of the outer surfaces of the first support (6) and the second support (7) are provided with arc-shaped grooves, and the arc-shaped groove of the second support (7) is provided with a threaded rod (8).

6. The novel soil shear test apparatus according to claim 1, characterized in that: The lower end face of the second support (7) has three end feet with two arc-shaped plates (16) located at both ends of the two second movable plates (14). The two arc-shaped plates (16) and the two second movable plates (14) are connected by a second movable shaft (15).

7. A novel soil shear test apparatus according to claim 1, characterized in that: The front and rear ends of the three external feet of the second support (7) are provided with first arc-shaped plates (9) located at both ends of the two first movable plates (11). The two first arc-shaped plates (9) and the two first movable plates (11) are connected by a first movable shaft (10). The buckle body (12) and the two first movable plates (11) are connected by a short shaft (13).

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