Loess landslide physical simulation test device

Abstract

The utility model relates to a loess landslide physical simulation test device which comprises a bottom plate, a supporting plate and a spraying assembly, a vertical plate is arranged on one side of the top face of the bottom plate, the supporting plate is arranged on one side of the vertical plate above the bottom plate, a top plate is arranged above the bottom plate, and a guide assembly is arranged on the face, facing the top plate, of the vertical plate. The guide assembly guides the moving direction of the top plate, the top plate is hinged to the opposite end of the supporting plate, a position adjusting assembly is arranged on the top face of the bottom plate and adjusts the angle of the supporting plate while adjusting the height of the top plate, and a spraying assembly is arranged above the top plate and the supporting plate. The spraying assembly is connected with the vertical plate through a connecting rod. The method has the advantages that the slope of the loess slope is flexible and adjustable, and the influence of the same hydrological environment on different slopes of loess slopes can be mastered.

Description

Technical Field

[0001] The utility model relates to the technical field of test devices, in particular to a physical simulation test device for loess landslide. Background Art

[0002] Loess landslide is a phenomenon in which the soil in thick loess high slope sections slides down along the weak surface under the action of gravity. The landslide boundary is mostly semicircular or arc-shaped, the rupture wall is steep, and there is a steep sliding surface. It often occurs at the upper part or the lowest part of the loess valley slope of 40° to 60°. After the landslide occurs, the stable slope is about 35°, and it often occurs at the overflow of groundwater.

[0003] In order to verify the influence of slope and hydrogeology on the occurrence of loess landslide, a simulation test device is needed to conduct a simulation test on the loess landslide. The existing simulation test device, such as the Chinese utility model with application number 202223324753.7, cannot flexibly adjust the slope of the loess slope, and cannot grasp the influence of the same hydrological environment on loess slopes with different slopes. Utility Model Content

[0004] In view of the above problems, the utility model provides a loess landslide physical simulation test device with flexible and adjustable slope, which can grasp the influence of the same hydrological environment on loess slopes with different slopes.

[0005] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: a loess landslide physical simulation test device, including a base plate, a support plate and a spray assembly, a vertical plate is provided on one side of the top surface of the base plate, the support plate is arranged on one side of the vertical plate above the base plate, a top plate is provided above the base plate, a guide assembly is provided on the side of the vertical plate facing the top plate, the guide assembly guides the movement direction of the top plate, the top plate is hinged at one end opposite to the support plate, a position adjustment assembly is provided on the top surface of the base plate, the position adjustment assembly adjusts the height of the top plate and the angle of the support plate at the same time, a spray assembly is provided on the top plate and above the support plate, and the spray assembly is connected to the vertical plate through a connecting rod.

[0006] Furthermore, the position adjustment component includes a cylinder and a slide groove, the cylinder is arranged between the bottom plate and the top plate, the cylinder is connected to the bottom plate through a positioning frame, the piston rod of the cylinder is connected to the top plate, the top surface of the bottom plate is provided with a slide groove, the openings of the slide groove are opposite to each other, a slider is slidably connected in the slide groove, and the lower end of the support plate is hinged to the slider.

[0007] Furthermore, the guide assembly includes a groove and a movable block, the groove is arranged on a surface of the vertical plate facing the top plate, a limiting rod is arranged in the groove, the movable block is slidably connected to the limiting rod, and the top plate is connected to the movable block.

[0008] Furthermore, a collecting trough is provided below the bottom plate, and supporting legs are provided at the four corners of the lower end surface of the bottom plate, and the lower ends of the supporting legs are connected to the collecting trough.

[0009] Furthermore, the spray assembly includes a water containing plate and a water supply pump, wherein the water supply pump is arranged on the top surface of the water containing plate and is connected to the water containing plate, and the bottom surface of the water containing plate is evenly provided with spray heads connected thereto.

[0010] Furthermore, connecting blocks are provided on both sides of the water containing plate, the connecting blocks are connected to connecting rods, the connecting rods are slidably connected to the vertical plates, one end of the connecting rod away from the connecting blocks is exposed from the vertical plates, and a push rod (16) is provided on the end of the connecting rod away from the connecting blocks.

[0011] The advantages of the utility model compared with the prior art are:

[0012] The position adjustment component adjusts the height of the top plate and the angle of the support plate at the same time, thereby synchronously adjusting the height and slope of the loess slope, so that the test device can simulate the impact of the same hydrological environment on soil erosion of loess slopes with different slopes, ensuring the comprehensiveness and accuracy of the test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 It is a partial enlarged view of the A part of the utility model;

[0016] Figure 4 It is a partial enlarged view of B of the utility model.

[0017] Figure numerals: 1, bottom plate, 2, support plate, 3, vertical plate, 4, top plate, 5, connecting rod, 6, cylinder, 7, slide groove, 8, slider, 9, groove, 10, movable block, 11, limit rod, 12, collecting trough, 13, supporting leg, 14, water containing plate, 15, water supply pump, 16, push rod. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] Combined with Figure 1 , 2and 4, the top plate 4 is hinged at one end opposite to the support plate 2, a position adjustment component is provided on the top surface of the bottom plate 1, the position adjustment component adjusts the angle of the support plate 2 while adjusting the height of the top plate 4, the position adjustment component includes a cylinder 6 and a slide groove 7, a cylinder 6 is provided between the bottom plate 1 and the top plate 4, the cylinder 6 is connected to the bottom plate 1 through a positioning frame, the piston rod of the cylinder 6 is connected to the top plate 4, slide grooves 7 are provided on the front and rear sides of the support plate 2 on the top surface of the bottom plate 1, the openings of the slide grooves 7 are opposite, a slider 8 is slidably connected in the slide groove 7, and the lower end of the support plate 2 is hinged to the slider 8.

[0020] When it is necessary to adjust the angle of the loess slope laid on the top plate 4 and the support plate 2, the piston rod of the cylinder 6 extends to drive the top plate 4 to move upward, and the top plate 4 drives the left end of the support plate 2 hinged thereto to move upward. During the movement of the support plate 2, its right end drives the slider 8 hinged thereto to move in the slide groove 7, thereby adjusting the angle of the support plate 2 and further adjusting the height of the loess slope.

[0021] Combined with Figure 2-3 A guide assembly is provided on the side of the vertical plate 3 facing the top plate 4, and the guide assembly guides the movement direction of the top plate 4. The guide assembly includes a groove 9 and a movable block 10. A groove 9 is provided on the side of the vertical plate 3 facing the top plate 4, and the movable block 10 is slidably connected in the groove 9. A limiting rod 11 is provided in the groove 9, and the movable block 10 is slidably connected to the limiting rod 11, and the top plate 4 is connected to the movable block 10.

[0022] During the movement of the top plate 4 , the movable block 10 connected thereto is driven to move in the groove 9 . The movable block 10 is simultaneously slidably connected to the limiting rod 11 in the groove 9 . The limiting rod 11 prevents the movable block 10 from falling off from the groove 9 .

[0023] Combined with Figure 1-2 A spray assembly is provided above the top plate 4 and the supporting plate 2, and the spray assembly is connected to the vertical plate 3 through a connecting rod 5. The spray assembly includes a water holding plate 14 and a water supply pump 15. The top surface of the water holding plate 14 is provided with a water supply pump 15 connected thereto, and the bottom surface of the water holding plate 14 is evenly provided with spray heads connected thereto. Connecting blocks are provided on both sides of the water holding plate 14, and the connecting blocks are connected to the connecting rod 5. The connecting rod 5 is slidably connected to the vertical plate 3, and one end of the connecting rod 5 away from the connecting block is exposed from the vertical plate 3, and a push rod 16 is provided on the end of the connecting rod 5 away from the connecting block.

[0024] The connecting rod 5 is driven to move by the push rod 16, and the length of the connecting rod 5 exposed from the right side of the vertical plate 3 is adjusted. The connecting rod 5 drives the water-receiving plate 14 to move through the connecting block, thereby adjusting the spraying position, and then adjusting the position of the simulated precipitation. When the position adjustment is completed, the water supply pump 15 is activated, and the sprinkler heads evenly arranged on the bottom surface of the water-receiving plate 14 simulate precipitation.

[0025] Combined with Figure 1-2 A collecting trough 12 is provided below the bottom plate 1 , and supporting legs 13 are provided at the four corners of the lower end surface of the bottom plate 1 , and the lower ends of the supporting legs 13 are connected to the collecting trough 12 .

[0026] During the precipitation simulation, the collection tank 12 collects the water flow containing loess.

[0027] The utility model and its implementation methods are described, and such description is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A loess landslide physical simulation test device, comprising a base plate (1), a support plate (2) and a spray assembly, characterized in that: A vertical plate (3) is provided on one side of the top surface of the bottom plate (1); the support plate (2) is arranged on one side of the vertical plate (3) above the bottom plate (1); a top plate (4) is provided above the bottom plate (1); a guide assembly is provided on the side of the vertical plate (3) facing the top plate (4); the guide assembly guides the movement direction of the top plate (4); the top plate (4) is hinged at one end opposite to the support plate (2); a position adjustment assembly is provided on the top surface of the bottom plate (1); the position adjustment assembly adjusts the height of the top plate (4) and the angle of the support plate (2) at the same time; a spray assembly is provided above the top plate (4) and the support plate (2); the spray assembly is connected to the vertical plate (3) through a connecting rod (5).

2. The physical simulation test device for loess landslide according to claim 1, characterized in that: The position adjustment component comprises a cylinder (6) and a slide groove (7); the cylinder (6) is arranged between the bottom plate (1) and the top plate (4); the cylinder (6) is connected to the bottom plate (1) through a positioning frame; the piston rod of the cylinder (6) is connected to the top plate (4); a slide groove (7) is provided on the top surface of the bottom plate (1); the openings of the slide groove (7) are opposite to each other; a slider (8) is slidably connected in the slide groove (7); and the lower end of the support plate (2) is hinged to the slider (8).

3. The physical simulation test device for loess landslide according to claim 1, characterized in that: The guide assembly comprises a groove (9) and a movable block (10); the groove (9) is arranged on a surface of the vertical plate (3) facing the top plate (4); a limiting rod (11) is arranged in the groove (9); the movable block (10) is slidably connected to the limiting rod (11); and the top plate (4) is connected to the movable block (10).

4. The physical simulation test device for loess landslide according to claim 1, characterized in that: A collecting trough (12) is provided below the bottom plate (1), and supporting legs (13) are provided at the four corners of the lower end surface of the bottom plate (1), wherein the lower ends of the supporting legs (13) are connected to the collecting trough (12).

5. The physical simulation test device for loess landslide according to claim 1, characterized in that: The spray assembly comprises a water holding plate (14) and a water supply pump (15); the water supply pump (15) is arranged on the top surface of the water holding plate (14) and is connected to the water holding plate (14); and the bottom surface of the water holding plate (14) is evenly provided with spray heads connected thereto.

6. The physical simulation test device for loess landslide according to claim 5, characterized in that: The water containing plate (14) is provided with connecting blocks on both sides, the connecting blocks are connected to the connecting rods (5), the connecting rods (5) are slidably connected to the vertical plate (3), one end of the connecting rod (5) away from the connecting blocks is exposed from the vertical plate (3), and a push rod (16) is provided on the end of the connecting rod (5) away from the connecting blocks.

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