Plant root system shearing test tensile machine

Abstract

The utility model discloses a plant root system shearing test tensile machine which comprises a tensile machine base, two groups of tensile machine vertical columns are arranged on the tensile machine base oppositely, a top cross beam is mounted on the tensile machine vertical columns, a sensor cross beam is connected between the two groups of tensile machine vertical columns, and the sensor cross beam is connected with the tensile machine vertical columns. The sensor cross beam is in sliding connection with the two groups of tensile machine stand columns, a force sensor is mounted at the bottom of the sensor cross beam, and a shearing tool is arranged on the tensile machine base; the shearing tool comprises an adjusting base, a cutter assembly and root system clamping assemblies, the cutter assembly is connected with the force sensor, and the two root system clamping assemblies are arranged and located on the left side and the right side of the adjusting base respectively. The utility model belongs to the technical field of root system shearing force testing, and particularly relates to a plant root system shearing test tensile machine.

Description

Technical Field

[0001] The utility model belongs to the technical field of root shear force testing, in particular to a plant root shear test tensile machine. Background Art

[0002] Plant roots can effectively enhance the shear strength of soil and inhibit soil deformation through reinforcement and anchoring. The roots usually rely on their own tensile strength and friction between roots and soil to play this series of roles, and ultimately increase the shear strength of soil. Therefore, the reinforcement effect of roots on soil is mainly measured by the tensile strength of roots, the friction between roots and soil, and the shear strength of the root-soil complex. They are direct indicators of the ability of roots to reinforce soil and can effectively affect the stability of the covered slope.

[0003] Traditional tensile testing machines can only meet some basic mechanical property tests and are not suitable for plant root shear testing. Utility Model Content

[0004] In order to solve the above-mentioned problem that the traditional tensile testing machine is not suitable for plant root shear testing, the utility model provides a tensile testing machine for plant root shear testing.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a plant root shear test tensile machine, including a tensile machine base, a tensile machine column is arranged on the tensile machine base, two groups of tensile machine columns are arranged relatively, and a top crossbeam is installed on the tensile machine column. A sensor beam is connected between the two groups of tensile machine columns, and the sensor beam is slidably connected to the two groups of tensile machine columns. A force sensor is installed at the bottom of the sensor beam, and a shearing tool is arranged on the tensile machine base; the shearing tool includes an adjustment base, a cutter assembly and a root clamping assembly, the cutter assembly is connected to the force sensor, and the root clamping assembly is arranged in two groups and is located on the left and right sides of the adjustment base respectively.

[0006] As a preferred technical solution of the utility model, the cutter assembly includes a clamp bracket, a fixed clamp plate, a movable clamp plate, a blade and an adjusting nut. The clamp bracket is connected to the bottom end of the force sensor, the fixed clamp plate is fixedly arranged on the inner side wall of the clamp bracket, the movable clamp is movably arranged in the clamp bracket and is arranged opposite to the fixed clamp plate, the blade is installed between the fixed clamp plate and the movable clamp plate, and the adjusting nut is threaded through the side wall of the clamp bracket and is screwed on the movable clamp plate.

[0007] As an optimal technical solution of the utility model, the root clamping assembly includes a clamp base, a root lower clamping plate, a root upper clamping plate and two adjusting nuts. The clamp base is installed on the adjusting base, the root lower clamping plate is fixed on the clamp base, the root lower clamping plate is evenly connected to the limiting columns, the top of the limiting columns is connected to a support plate, the root upper clamping plate is slidably sleeved on the limiting columns, and the two adjusting nuts are threaded through the support plate and the bottom end is screwed onto the root upper clamping plate.

[0008] As a preferred technical solution of the utility model, protective rubber pads are provided on the side walls facing the lower root plate and the upper root plate.

[0009] As a preferred technical solution of the utility model, a screw transmission mechanism is arranged in the column of the tensile machine and is connected to the sensor beam.

[0010] As a preferred technical solution of the utility model, a control button and a power switch are provided on the base of the tensile testing machine.

[0011] Compared with the prior art, the utility model adopts the above structure to achieve the following beneficial effects:

[0012] 1. Through the setting of the cutter assembly, it is convenient to clamp and replace cutters of different specifications;

[0013] 2. Two sets of adjustable root clamping components are set to ensure that the roots are clamped horizontally, and the two sets of root clamping components can be adjusted left and right on the adjustment base plate to change the root suspension distance and achieve shearing effects at different suspension distances;

[0014] 3. It can perform shear tests on plant root samples, allowing standard tensile testing machines to meet the needs of plant root shear tests. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the plant root shear test tensile machine proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the shearing tooling of the plant root shearing test tensile machine proposed in the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the shearing tooling of the plant root shearing test tensile machine proposed in the utility model;

[0018] Figure 4 This is a structural schematic diagram of the cutter assembly of the plant root shear test tensile machine proposed by the utility model;

[0019] Figure 5This is a structural schematic diagram of the cutter assembly of the plant root shear test tensile machine proposed by the utility model;

[0020] Figure 6 This is a structural schematic diagram of the root clamping assembly of the plant root shear test tensile machine proposed by the utility model.

[0021] Among them, 1. Tensile testing machine base, 2. Tensile testing machine column, 3. Top beam, 4. Sensor beam, 5. Force sensor, 6. Shearing tool, 7. Adjustment base, 8. Cutter assembly, 9. Root clamping assembly, 10. Clamp bracket, 11. Fixed splint, 12. Movable splint, 13. Blade, 14. Adjustment nut one, 15. Clamp base, 16. Root lower splint, 17. Root upper splint, 18. Adjustment nut two, 19. Limit column, 20. Support plate, 21. Protective rubber pad, 22. Control button, 23. Power switch, 24. Plant root specimen. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1-6As shown, the plant root shear test tensile machine provided by the utility model includes a tensile machine base 1, a control button 22 and a power switch 23 are arranged on the tensile machine base 1, a tensile machine column 2 is arranged on the tensile machine base 1, two groups of tensile machine columns 2 are arranged relatively, a top crossbeam 3 is installed on the tensile machine column 2, a sensor crossbeam 4 is connected between the two groups of tensile machine columns 2, the sensor crossbeam 4 is slidably connected with the two groups of tensile machine columns 2, and a screw transmission mechanism is arranged in the tensile machine column 2 to be connected with the sensor crossbeam 4, a force sensor 5 is installed at the bottom of the sensor crossbeam 4, and a shearing tool 6 is arranged on the tensile machine base 1; the shearing tool 6 includes an adjustment base 7, a cutter assembly 8 and a root clamping assembly 9, the cutter assembly 8 is connected with the force sensor 5, and the root clamping assembly 9 is arranged in two groups and is located on the left and right sides of the adjustment base 7, and the two groups of root clamping assemblies 9 can be adjusted left and right on the adjustment base 7 to stably clamp the two side ends of the plant root sample 24.

[0025] like Figure 4 and 5 As shown, the cutter assembly 8 includes a clamp bracket 10, a fixed clamp plate 11, a movable clamp plate 12, a blade 13 and an adjusting nut 14. The clamp bracket 10 is connected to the bottom end of the force sensor 5. The fixed clamp plate 11 is fixedly arranged on the inner wall of the clamp bracket 10. The movable clamp is movably arranged in the clamp bracket 10 and is arranged opposite to the fixed clamp plate 11. The blade 13 is installed between the fixed clamp plate 11 and the movable clamp plate 12. The adjusting nut 14 is threaded through the side wall of the clamp bracket 10 and is screwed on the movable clamp plate 12. When the adjusting nut 14 is rotated, the movable clamp plate 12 is driven to move toward the side of the fixed clamp plate 11 under the action of the thread transmission, so that the blade 13 is clamped and fastened between the fixed clamp plate 11 and the movable clamp plate 12.

[0026] like Figure 6 As shown, the root clamping assembly 9 includes a clamp base 15, a root lower clamping plate 16, a root upper clamping plate 17 and an adjusting nut 2 18. The clamp base 15 is installed on the adjusting base, the root lower clamping plate 16 is fixedly arranged on the clamp base 15, and the limit columns 19 are evenly connected to the root lower clamping plate 16. The top of the limit column 19 is connected with a support plate 20, and the root upper clamping plate 17 is slidably sleeved on the limit column 19. The adjusting nut 2 18 threads through the support plate 20 and the bottom end is screwed onto the root upper clamping plate 17. The two ends of the plant root sample 24 are respectively placed between the root lower clamping plate 16 and the root upper clamping plate 17 of the two groups of root clamping assemblies 9. The adjusting nut 2 18 is rotated to drive the root upper clamping plate 17 to move to the side of the root lower clamping plate 16 under the action of the thread transmission, thereby fixing the plant root sample 24 between the root lower clamping plate 16 and the root upper clamping plate 17.

[0027] like Figure 6As shown, protective rubber pads 21 are provided on the side walls facing the lower root clamping plate 16 and the upper root clamping plate 17, which have a protective effect on the clamped and fixed plant root sample 24.

[0028] During specific use, the two ends of the plant root sample 24 are respectively placed between the root lower clamping plate 16 and the root upper clamping plate 17 of the two groups of root clamping assemblies 9, and the adjusting nut 18 is rotated to drive the root upper clamping plate 17 to move to the side of the root lower clamping plate 16 under the action of the thread transmission, thereby fixing the plant root sample 24 between the root lower clamping plate 16 and the root upper clamping plate 17, and the adjusting nut 14 is rotated to drive the movable clamping plate 12 to move to the side of the fixed clamping plate 11 under the action of the thread transmission, thereby clamping and fastening the blade 13 between the fixed clamping plate 11 and the movable clamping plate 12, and the entire device is powered on, and then the power switch 23 is turned on, and the operating state of the sensor beam 4 is controlled by the control button 22, and the screw transmission mechanism in the tensile machine column 2 controls the movement of the sensor beam 4. During the tensile machine test, the force sensor 5 is raised and lowered together with the cutter assembly 8 to shear the plant root sample 24, and the force sensor 5 is used to detect the force condition of the plant root sample 24 when it is sheared.

[0029] The above description of the utility model and its implementation methods 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 this 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 plant root shear test tensile machine, comprising a tensile machine base (1), on which a tensile machine column (2) is arranged, wherein two groups of the tensile machine columns (2) are arranged opposite to each other, and a top crossbeam (3) is installed on the tensile machine columns (2), characterized in that: A sensor beam (4) is connected between the two groups of tensile machine columns (2), the sensor beam (4) is slidably connected to the two groups of tensile machine columns (2), a force sensor (5) is installed at the bottom of the sensor beam (4), and a shearing tool (6) is arranged on the tensile machine base (1); the shearing tool (6) includes an adjustment base (7), a cutter assembly (8) and a root clamping assembly (9), the cutter assembly (8) is connected to the force sensor (5), and the root clamping assembly (9) is arranged in two groups and is located on the left and right sides of the adjustment base (7).

2. The plant root shear test tensile machine according to claim 1, characterized in that: The cutter assembly (8) comprises a clamp bracket (10), a fixed clamp plate (11), a movable clamp plate (12), a blade (13) and an adjusting nut (14); the clamp bracket (10) is connected to the bottom end of the force sensor (5); the fixed clamp plate (11) is fixedly arranged on the inner side wall of the clamp bracket (10); the movable clamp is movably arranged in the clamp bracket (10) and is arranged opposite to the fixed clamp plate (11); the blade (13) is installed between the fixed clamp plate (11) and the movable clamp plate (12); and the adjusting nut (14) is threadedly penetrated through the side wall of the clamp bracket (10) and is screwed onto the movable clamp plate (12).

3. The plant root shear test tensile machine according to claim 1, characterized in that: The root system clamping assembly (9) comprises a clamp base (15), a root system lower clamping plate (16), a root system upper clamping plate (17) and an adjusting nut No. 2 (18); the clamp base (15) is mounted on the adjusting base; the root system lower clamping plate (16) is fixedly mounted on the clamp base (15); a limiting column (19) is evenly connected to the root system lower clamping plate (16); the top end of the limiting column (19) is connected to a support plate (20); the root system upper clamping plate (17) is slidably sleeved on the limiting column (19); and the adjusting nut No. 2 (18) is threadedly penetrated through the support plate (20) and the bottom end is screwed onto the root system upper clamping plate (17).

4. The plant root shear test tensile machine according to claim 3, characterized in that: Protective rubber pads (21) are provided on the side walls of the root system lower clamping plate (16) and the root system upper clamping plate (17) facing each other.

5. The plant root shear test tensile machine according to claim 1, characterized in that: A screw transmission mechanism is arranged inside the tensile machine column (2) and is connected to the sensor crossbeam (4).

6. The plant root shear test tensile machine according to claim 1, characterized in that: A control button (22) and a power switch (23) are provided on the tensile machine base (1).

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