Machine for testing pullout force and pulling force of plant root system
By designing a plant root pulling force tensile testing machine including a tension machine base, column, sensor beam and force sensor, combined with the upper fixture and columnar soil column limiting mechanism, the problem that traditional tension machines cannot be suitable for plant root pulling force testing is solved, and effective support and accurate force measurement of plant root pulling force testing is achieved.
Patent Information
- Application Number
- CN202421249546.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-03
AI Technical Summary
Traditional tension machines cannot be used for plant root pull-out force testing, and cannot meet the needs of plant roots and soil contact density affecting the stability of plant reinforced soil.
A plant root pull-out force tensile testing machine is designed, including a tension machine base, column, sensor beam and force sensor. Combined with the upper clamp and columnar soil column limiting mechanism, the clamping and limiting of plant root samples and columnar soil column samples are realized, and the pull-out force test is carried out through the sensor beam and the power sensor.
It has achieved effective support for plant root pulling force testing, can clamp the sample and conduct accurate force measurement, meeting the impact of the tight contact density of plant roots and soil on the stability of plant reinforced soil.
Smart Images
Figure CN222774411U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of plant root pull-out force testing, in particular to a plant root pull-out force tensile testing machine. Background Art
[0002] The friction between different plant root types and soil types and moisture contents is different, and the friction between plant roots determines the degree of contact between the roots and the soil, affecting the stability of plant reinforced soil.
[0003] Traditional tensile testing machines can only meet some basic mechanical property tests and are not suitable for plant root pull-out force testing needs. Utility Model Content
[0004] In order to solve the above-mentioned problem that the traditional tensile testing machine is not suitable for testing the pull-out force of plant roots, the utility model provides a plant root pull-out force tensile testing machine.
[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a plant root pull-out force tensile testing 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 opposite to each other, a top crossbeam is installed on the top of the tensile machine column, a sensor crossbeam is connected between the two groups of tensile machine columns, the sensor crossbeam is slidably connected to the two groups of tensile machine columns, a force sensor is installed at the bottom of the sensor crossbeam, and a root pull-out tooling is arranged on the tensile machine base; the root pull-out tooling includes an adjustment base plate, an upper clamp and a columnar soil column limiting mechanism, the upper clamp is connected to the force sensor, and the columnar soil column limiting mechanism is installed on the adjustment base plate.
[0006] As a preferred technical solution of the utility model, an adapter is connected to the top of the upper clamp, and the adapter is connected to the force sensor. The upper clamp includes a clamp housing, a rack, a fan-shaped gear, a guide groove and a claw clamp. The rack is longitudinally slidably connected to the groove in the clamp housing, and the fan-shaped gear is connected to the groove in the clamp housing through a rotating shaft. The fan-shaped gear is meshed with the rack, and the guide groove is opened on the inner groove wall of the clamp housing. The claw clamps are arranged in two groups and are correspondingly slidably arranged in the guide groove. The top of the claw clamp is provided with a clamping groove, and the clamping blocks are clamped in the clamping grooves of the two groups of the claw clamps. The clamping blocks are connected to the rack, and a reset spring is connected between the clamping block and the top wall of the groove of the clamp housing.
[0007] As a preferred technical solution of the utility model, the outer end of the sector gear is connected to a handle, and the clamping surface of the claw clamp is evenly provided with barbs.
[0008] As an optimal technical solution of the utility model, the columnar soil column limiting mechanism includes a mechanism bottom plate, a mechanism top plate, a columnar soil column barrel, a columnar soil column cover plate and a columnar soil column base, the mechanism bottom plate is installed on the adjustment bottom plate, structural columns are arranged at the four corners of the top end of the mechanism bottom plate, the mechanism top plate is installed on four groups of structural columns, the columnar soil column cover plate is installed on the top of the columnar soil column barrel, the columnar soil column base is installed on the bottom of the columnar soil column barrel, the columnar soil column cover plate is installed on the mechanism top plate, and quick clamps are arranged on both sides of the mechanism top plate.
[0009] As an optimal technical solution of the utility model, the columnar soil column limiting mechanism also includes an inner base and a columnar barrel volume adjustment nut. The inner base is movably arranged in the columnar soil column barrel, and the columnar barrel volume adjustment nut thread passes through the columnar soil column base and is connected to the inner base.
[0010] 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.
[0011] 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.
[0012] Compared with the prior art, the utility model adopts the above structure to achieve the following beneficial effects: through the setting of the root pulling tool, the plant root sample can be clamped, and the columnar soil column sample cut out together with the plant root sample is placed in the columnar soil column barrel, and the plant root sample and the columnar soil column sample are pulled under the action of the sensor beam with power sensor to perform a pull-out force test; wherein, the plant root sample can be clamped conveniently through the setting of the upper clamp, and the columnar soil column limiting mechanism can be used to conveniently place and limit the columnar soil column sample, and the corresponding height adjustment can be made according to the columnar soil column sample, thereby meeting the needs of the plant root pull-out force test. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall structure of a plant root pull-out force tensile testing machine proposed by the utility model;
[0014] Figure 2 This is a structural schematic diagram of a root pulling tooling of a plant root pulling force tensile testing machine proposed by the utility model;
[0015] Figure 3 It is a structural schematic diagram of a columnar soil column limiting mechanism of a plant root pull-out force tensile testing machine proposed by the utility model;
[0016] Figure 4 The utility model discloses a schematic diagram of the structure of an upper clamp of a plant root pull-out force tensile testing machine.
[0017] Among them, 1. tensile machine base, 2. tensile machine column, 3. top beam, 4. sensor beam, 5. force sensor, 6. root extraction tooling, 7. adjustment base plate, 8. upper clamp, 9. columnar soil column limiting mechanism, 10. adapter, 11. clamp housing, 12. rack, 13. fan gear, 14. guide groove, 15. claw clamp, 16. slot, 17. clamp block, 18. reset spring, 19. handle, 20. barb, 21. mechanism bottom plate, 22. mechanism top plate, 23. columnar soil column barrel, 24. columnar soil column cover plate, 25. columnar soil column base, 26. structural column, 27. quick clamp, 28. inner base, 29. columnar barrel volume adjustment nut, 30. control button, 31. power switch, 32. plant root sample, 33. columnar soil column sample. DETAILED DESCRIPTION
[0018] 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.
[0019] 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.
[0020] like Figure 1-4As shown, the utility model provides a plant root pull-out force tensile testing machine, including a tensile machine base 1, a control button 30 and a power switch 31 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 top of 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 to the two groups of tensile machine columns 2, a screw transmission mechanism is arranged in the tensile machine column 2 and connected to the sensor crossbeam 4, and a bottom of the sensor crossbeam 4 is installed A force sensor 5 and a root pulling tool 6 are arranged on the base 1 of the tensile machine; the root pulling tool 6 includes an adjusting base plate 7, an upper clamp 8 and a columnar soil column limiting mechanism 9, the upper clamp 8 is connected to the force sensor 5, and the columnar soil column limiting mechanism 9 is installed on the adjusting base plate 7, the plant root sample 32 is clamped by the upper clamp 8, and the columnar soil column sample 33 cut out together with the plant root sample 32 is placed in the columnar soil column barrel 23, and the plant root sample 32 and the columnar soil column sample 33 are pulled under the action of the sensor beam 4 driving the power sensor 5 to perform a pull-out force test.
[0021] like Figure 4 As shown, an adapter 10 is connected to the top of the upper clamp 8, and the adapter 10 is connected to the force sensor 5. The upper clamp 8 includes a clamp housing 11, a rack 12, a sector gear 13, a guide groove 14 and a claw clamp 15. The rack 12 is longitudinally slidably connected to the groove in the clamp housing 11, and the sector gear 13 is connected to the groove in the clamp housing 11 through a rotating shaft. The outer end of the sector gear 13 is connected to a handle 19, and the sector gear 13 is pressed by the handle 19 to rotate. The sector gear 13 is meshed with the rack 12. The guide groove 14 is opened on the inner groove wall of the clamp housing 11. The claw clamp 15 is provided with two groups and is correspondingly slidably arranged in the guide groove 14. The clamping surface of the claw clamp 15 is evenly provided with barbs 20. The barbs 20 of the claw clamps 15 increase the friction force on clamping the plant root sample 32 to prevent it from falling off. A slot 16 is provided at the top of the claw clamp 15. A clamping block 17 is clamped in the slot 16 of the two groups of claw clamps 15. The clamping block 17 is connected to the rack 12. A reset spring 18 is connected between the clamping block 17 and the top wall of the groove of the clamp housing 11. The rack 12 is driven to move upward under the action of the sector gear 13. The rack 12 drives the two groups of claw clamps 15 to move upward in the guide groove 14 through the clamping plate, and opens to both sides under the action of the guide groove 14. After the two groups of claw clamps 15 clamp the plant root sample 32, the two groups of claw clamps 15 clamp the plant root sample 32 under the action of the reset force of the reset spring 18.
[0022] like Figure 2 and 3As shown, the columnar soil column limiting mechanism 9 includes a mechanism bottom plate 21, a mechanism top plate 22, a columnar soil column barrel 23, a columnar soil column cover plate 24 and a columnar soil column base 25. The mechanism bottom plate 21 is installed on the adjustment bottom plate 7, and structural columns 26 are arranged at the four corners of the top of the mechanism bottom plate 21. The mechanism top plate 22 is installed on four groups of structural columns 26. The columnar soil column cover plate 24 is installed on the top of the columnar soil column barrel 23, and the columnar soil column base 25 is installed. Installed at the bottom of the columnar soil column barrel 23, the columnar soil column cover 24 is installed on the mechanism top plate 22, and quick clamps 27 are provided on both sides of the mechanism top plate 22. The columnar soil column cover 24 can be detached from the columnar soil column barrel, and the columnar soil column sample 33 and the plant root sample 32 are installed in the columnar soil column barrel. During the test, the columnar soil column cover 24 is covered on the columnar soil column barrel, and the quick clamps 27 are used to clamp and fix the columnar soil column cover 24.
[0023] like Figure 2 and 3 As shown, the columnar soil column limiting mechanism 9 also includes an inner base 28 and a columnar barrel volume adjustment nut 29. The inner base 28 is movably arranged in the columnar soil column barrel 23. The columnar barrel volume adjustment nut 29 threadably penetrates the columnar soil column base 25 and is connected to the inner base 28. The height of the inner base 28 of the columnar soil column barrel is adjusted by the columnar barrel volume adjustment nut 29, that is, the height of the space inside the columnar soil column barrel can be adjusted to meet the testing requirements of cylindrical soil columns of different lengths.
[0024] During specific use, first adjust the volume in the cylindrical soil column barrel according to the height of the cylindrical soil column sample 33, turn the cylindrical barrel volume adjustment nut 29 to adjust the height of the inner base 28 of the cylindrical soil column barrel to meet the height requirement of the cylindrical soil column sample 33, remove the cylindrical soil column cover 24 from the cylindrical soil column barrel, and install the cylindrical soil column sample 33 and the plant root sample 32 in the cylindrical soil column barrel. During the test, the cylindrical soil column cover 24 is covered on the cylindrical soil column barrel, and the quick clamp 27 is used to clamp and fix the cylindrical soil column cover 24. The handle 19 is used to press the fan gear 13 to rotate, and the rack 12 is driven to move upward under the action of the fan gear 13. The rack 12 drives the two sets of claw clamps 15 to move upward in the guide groove 14 through the clamping plate, and The guide groove 14 opens to both sides. After the two sets of claw clamps 15 clamp the plant root sample 32, under the reset force of the reset spring 18, the two sets of claw clamps 15 clamp the plant root sample 32. The barbs 20 of the two sets of claw clamps 15 increase the friction force on the clamped plant root sample 32 to prevent it from falling off. The entire device is powered on, and then the power switch 31 is turned on. The operating state of the sensor beam 4 is controlled by the control button 30. 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 upper clamp 8 to perform a pull-out force test on the plant root sample 32. The force sensor 5 is used to detect the stress condition of the plant root sample 32 when it is subjected to the pull-out force.
[0025] 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 pull-out force tensile testing 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 at the top of the tensile machine columns (2), characterized in that: A sensor crossbeam (4) is connected between the two groups of tensile machine columns (2), the sensor crossbeam (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 crossbeam (4), and a root extraction tool (6) is arranged on the tensile machine base (1); the root extraction tool (6) comprises an adjustment base plate (7), an upper clamp (8) and a columnar soil column limiting mechanism (9), the upper clamp (8) is connected to the force sensor (5), and the columnar soil column limiting mechanism (9) is installed on the adjustment base plate (7).
2. A plant root pull-out force tensile testing machine according to claim 1, characterized in that: The top of the upper clamp (8) is connected to an adapter (10), and the adapter (10) is connected to the force sensor (5). The upper clamp (8) comprises a clamp housing (11), a rack (12), a sector gear (13), a guide groove (14) and a claw clamp (15). The rack (12) is longitudinally slidably connected to a groove in the clamp housing (11). The sector gear (13) is connected to the groove in the clamp housing (11) via a rotating shaft. The sector gear (13) and the rack (12) are connected to each other. The guide groove (14) is provided on the inner groove wall of the clamp housing (11); the claw clamps (15) are provided in two groups and are correspondingly slidably provided in the guide groove (14); the top of the claw clamps (15) is provided with a clamping groove (16); the clamping grooves (16) of the two groups of claw clamps (15) are clamped with a clamping block (17); the clamping block (17) is connected to the rack (12); and a reset spring (18) is connected between the clamping block (17) and the top wall of the groove of the clamp housing (11).
3. A plant root pull-out force tensile testing machine according to claim 2, characterized in that: The outer end of the sector gear (13) is connected to a handle (19), and the clamping surface of the claw clamp (15) is evenly provided with barbs (20).
4. A plant root pull-out force tensile testing machine according to claim 3, characterized in that: The columnar soil column limiting mechanism (9) comprises a mechanism bottom plate (21), a mechanism top plate (22), a columnar soil column barrel (23), a columnar soil column cover plate (24) and a columnar soil column base (25); the mechanism bottom plate (21) is mounted on an adjustment bottom plate (7); structural columns (26) are arranged at the four corners of the top of the mechanism bottom plate (21); the mechanism top plate (22) is mounted on four groups of structural columns (26); the columnar soil column cover plate (24) is mounted on the top of the columnar soil column barrel (23); the columnar soil column base (25) is mounted on the bottom of the columnar soil column barrel (23); the columnar soil column cover plate (24) is mounted on the mechanism top plate (22); and quick clamps (27) are arranged on both sides of the mechanism top plate (22).
5. A plant root pull-out force tensile testing machine according to claim 4, characterized in that: The columnar soil column limiting mechanism (9) also includes an inner base (28) and a columnar barrel volume adjustment nut (29); the inner base (28) is movably arranged in the columnar soil column barrel (23); the columnar barrel volume adjustment nut (29) is threadedly passed through the columnar soil column base (25) and connected to the inner base (28).
6. A plant root pull-out force tensile testing machine according to claim 5, characterized in that: A screw transmission mechanism is arranged inside the tensile machine column (2) and is connected to the sensor crossbeam (4).
7. A plant root pull-out force tensile testing machine according to claim 6, characterized in that: A control button (30) and a power switch (31) are provided on the tensile machine base (1).