CN210322581U - Corn stubble fibrous root radial tensile strength measuring device - Google Patents
Corn stubble fibrous root radial tensile strength measuring device Download PDFInfo
- Publication number
- CN210322581U CN210322581U CN201920879599.9U CN201920879599U CN210322581U CN 210322581 U CN210322581 U CN 210322581U CN 201920879599 U CN201920879599 U CN 201920879599U CN 210322581 U CN210322581 U CN 210322581U
- Authority
- CN
- China
- Prior art keywords
- metal wire
- metal
- stubble
- clamp
- metal pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a plant mechanics measures technical field, especially relates to a radial tensile strength measuring device of maize root stubble fibrous root. The device comprises a first metal pipe, a second metal pipe, a first metal wire, a second metal wire, a first metal wire clamp, a second metal wire clamp, an electronic tensile testing machine and a reinforced colloid layer; the first metal pipe and the second metal pipe are simultaneously inserted into a hollow inner cavity of the corn stubble fibrous root test piece, a first metal wire penetrates through the first metal pipe, the first metal wire is clamped on a first metal wire clamp, and the first metal wire clamp is fixed on a clamp at the top of an electronic tensile testing machine; a second metal wire penetrates through a second metal pipe, the second metal wire is clamped on a second metal wire clamp, and the second metal wire clamp is fixed on a bottom clamp of the electronic tensile testing machine; the reinforced colloid layer is positioned outside the test piece of the corn stubble fibrous root. The utility model has the advantages of being simple in structure and convenient in operation, realize the radial tensile strength measurement of maize root stubble fibrous root, and the success rate is high.
Description
Technical Field
The utility model relates to a plant mechanics measures technical field, especially relates to a radial tensile strength measuring device of maize root stubble fibrous root.
Background
Corn stubble radicular cells, after dying and losing water, are often lignified, in the form of fibers and stone cells, and are orthotropic materials. The axial tensile strength and the radial tensile strength of the fibrous roots of the corn stubble are determining factors of the shear resistance of the root soil complex, and are important basic data for scientific research on excavation and shear failure of the corn stubble and device development in the field of agricultural engineering, so that the accurate measurement of the axial tensile strength and the radial tensile strength of the fibrous roots of the corn stubble is extremely important and necessary.
In reference to the literature and patent documents, only the method and device for measuring the tensile strength of the fibrous root are available, because the fibrous root has a small diameter and low strength and cannot be clamped in the radial direction, so that the method and device for measuring the radial tensile strength of the fibrous root are not available.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a radial tensile strength measuring device for the fibrous roots of corn roots. The utility model has the advantages of being simple in structure and convenient in operation, realize the radial tensile strength measurement of maize root stubble fibrous root, and the success rate is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for measuring radial tensile strength of corn stubble fibrous roots comprises a first metal tube, a second metal tube, a first metal wire, a second metal wire, a first metal wire clamp, a second metal wire clamp, an electronic tensile testing machine and a reinforced colloid layer; the first metal pipe and the second metal pipe are simultaneously inserted into a hollow inner cavity of the corn stubble fibrous root test piece, a first metal wire penetrates through the first metal pipe, the first metal wire is clamped on a first metal wire clamp, and the first metal wire clamp is fixed on a clamp at the top of an electronic tensile testing machine; a second metal wire penetrates through a second metal pipe, the second metal wire is clamped on a second metal wire clamp, and the second metal wire clamp is fixed on a bottom clamp of the electronic tensile testing machine; the reinforced colloid layer is positioned outside the test piece of the corn stubble fibrous root.
The first metal pipe and the second metal pipe are made of stainless steel materials, the outer diameter of the first metal pipe and the outer diameter of the second metal pipe are 2mm, and the inner diameter of the first metal pipe and the inner diameter of the second metal pipe are 1 mm.
The first metal wire and the second metal wire are made of high-strength steel materials, and the diameter of the first metal wire and the diameter of the second metal wire are 0.6 mm.
The first metal wire fixture and the second metal wire fixture have the same structure and respectively comprise a first fixed pile, a second fixed pile, a first adjustable clamping opening, a second adjustable clamping opening and a base; one end of the base is a cylinder, the first fixing pile and the second fixing pile are fixedly connected to the other end of the base, and the first adjustable clamping opening and the second adjustable clamping opening are fixedly connected to the base through threads.
The first fixing pile and the second fixing pile are the same in structure and are provided with anti-falling convex shoulders, and the anti-falling convex shoulders are provided with wire grooves.
The reinforced colloid layer is formed by dropping super glue 502 on the outer part of the corn stubble test piece, and the thickness of the colloid layer is 3-6 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses to the hollow structure characteristics of maize root stubble fibrous root, adopt to apply tensile mode at the cavity inner wall of maize root stubble fibrous root and carry out the radial tensile strength measurement of fibrous root of maize root stubble, solved the difficult problem that can't carry out the radial tensile strength measurement of maize root stubble fibrous root under the conventional centre gripping mode.
(2) The utility model discloses a tensile force is applyed to the fibrous root test piece of maize root stubble to the form of the fibrous root test piece inner wall contact of tubular metal resonator and maize root stubble, increases the stress area of fibrous root test piece, prevents that the fibrous root test piece from applying the face at the tensile force and taking place to break.
(3) The utility model discloses implement reinforcing colloid layer at the maize root stubble fibrous root test piece surface with metal pipe contact area to reinforcing fibrous root test piece and the intensity at metal pipe contact position prevent that the fibrous root test piece from taking place to destroy the fracture at the position that contacts with the metal pipe, realize that the fibrous root test piece is at the regional fracture in anticipated radial middle part.
(4) The utility model has the advantages of being simple in structure and convenient in operation, experimental success rate is high.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the structure of the first metal tube and the second metal tube according to the present invention;
FIG. 3 is a schematic view of the clamping of the fibrous root of the corn stubble of the present invention;
FIG. 4 is a schematic view of the first and second wire clamps of the present invention;
FIG. 5 is a schematic view of the corn stubble radicle test piece of the present invention breaking in the expected radial middle area.
In the figure: 1-electronic tensile testing machine 2-electronic tensile testing machine top clamp 3-first metal wire clamp 4-first metal wire 5-first metal tube 6-first reinforced colloid layer 7-corn root stubble root test piece 8-second reinforced colloid layer 9-second metal tube 10-second metal wire 11-second metal wire clamp 12-electronic tensile testing machine bottom clamp 13-first adjustable clamp mouth 14-second adjustable clamp mouth 15-first fixing pile 16-base 17-second fixing pile
Detailed Description
The following further illustrates the embodiments of the present invention, but is not intended to limit the scope of the present invention:
example (b):
as shown in fig. 1, a device for measuring radial tensile strength of corn stubble roots comprises a first metal tube 5, a second metal tube 9, a first metal wire 4, a second metal wire 10, a first metal wire clamp 3, a second metal wire clamp 11, an electronic tensile testing machine 1, a first reinforced colloid layer 6 and a second reinforced colloid layer 8. The first metal tube 5 and the second metal tube 9 are simultaneously inserted into the hollow inner cavity of the corn stubble fibrous root test piece 7, the first metal tube 5 is positioned under the first enhanced colloid layer 6, and the second metal tube 9 is positioned over the second enhanced colloid layer 8.
The first metal wire 4 passes through the first metal tube 5, the first metal wire 4 is clamped on the first metal wire clamp 3, and the first metal wire clamp 3 is fixed on the top clamp 2 of the electronic tensile testing machine.
A second wire 10 passes through the second metal tube 9, the second wire 10 is clamped on a second wire clamp 11, and the second wire clamp 11 is fixed on a bottom clamp 12 of the electronic tensile testing machine.
As shown in FIG. 2, the first metal pipe 5 and the second metal pipe 9 are made of the same material and have the same structure, and are stainless steel pipes, the outer diameter of the stainless steel pipes is 2mm, the inner diameter of the stainless steel pipes is 1mm, and the axial length of the stainless steel pipes is 10 mm.
As shown in fig. 3, the first metal wire 4 and the second metal wire 10 are made of the same material and structure, and are made of high-strength steel material, the diameter of the first metal wire 4 is 0.6mm, the first metal wire 4 passes through the first metal tube 5, and the second metal wire 10 passes through the second metal tube 9.
As shown in fig. 4, the first wire holder 3 and the second wire holder 11 have the same structure, and each include a first fixing peg 15, a second fixing peg 17, a first adjustable clamping opening 13, a second adjustable clamping opening 14, and a base 16.
The first fixing pile 15 and the second fixing pile 17 have the same structural size and are provided with anti-falling convex shoulders, the anti-falling convex shoulders are provided with wire grooves, and the first fixing pile 15 and the second fixing pile 17 are fixed at the bottom of the base 16 through welding. The first adjustable clamping opening 13 and the second adjustable clamping opening 14 are fixed on the side surface of the base 16 through threaded connection, and the screwing length of the threaded connection is adjusted to change the space of the clamping openings, so that the first metal wire 4 is clamped. The end of the base 16 is a cylinder, and the cylinder is matched with the top clamp 2 of the electronic tensile testing machine and the bottom clamp 12 of the electronic tensile testing machine.
The first wire fixture 3 holds and fixes the first wire 4: one end of the first metal wire 4 penetrates through a wire guide groove of the first fixing pile 15 and then is wound on the first fixing pile 15, the anti-falling shoulder prevents the first metal wire 4 from being loosened, and the end part of the first metal wire 4 is fixed at the adjustable second adjustable clamping opening 14; the other end of the first metal wire 4 passes through the wire guide groove of the second fixing pile 17 and then is wound on the second fixing pile 17, the anti-falling shoulder prevents the first metal wire 4 from being loosened, and the end part of the first metal wire 4 is fixed on the first adjustable clamping opening 13.
Similarly, the second wire holder 11 holds the second wire 10 in the same manner as described above.
As shown in fig. 1, an electronic tensile testing machine 1 is an existing product, a commercial electronic universal tensile testing machine is selected, and a top clamp 2 and a bottom clamp 12 of the electronic tensile testing machine are wedge-type clamps carried by the electronic tensile testing machine 1. The top clamp 2 of the electronic tensile testing machine clamps the cylinder at the end of the base 16 of the first metal wire clamp 3, and the bottom clamp 12 of the electronic tensile testing machine clamps the cylinder at the end of the base 16 of the second metal wire clamp 11.
As shown in FIG. 3, the first reinforced colloid layer 6 and the second reinforced colloid layer 8 are colloid layers formed by dropping super glue 502 on the outer part of the corn stubble root test piece 7, and the thickness of the colloid layers is 4 mm. The first reinforced colloid layer 6 is positioned on the outer surface of the contact part of the corn stubble fibrous root test piece 7 and the first metal pipe 5, and the second reinforced colloid layer 8 is positioned on the outer surface of the contact part of the corn stubble fibrous root test piece 7 and the second metal pipe 9, so that the contact part of the corn stubble fibrous root test piece 7 and the metal pipe is prevented from being damaged and broken.
As shown in fig. 5, the electronic tensile testing machine 1 performs radial tensile strength measurement on the test piece 7 of corn stubble fibrous roots, and the test piece 7 of corn stubble fibrous roots is broken in an expected radial middle area.
The utility model discloses to the hollow structure characteristics of maize root stubble fibrous root, adopt to apply tensile mode at the cavity inner wall of maize root stubble fibrous root and carry out the radial tensile strength measurement of fibrous root of maize root stubble, solved the difficult problem that can't carry out the radial tensile strength measurement of maize root stubble fibrous root under the conventional centre gripping mode.
The utility model discloses a tensile force is applyed to the fibrous root test piece of maize root stubble to the form of the fibrous root test piece inner wall contact of tubular metal resonator and maize root stubble, increases the stress area of fibrous root test piece, prevents that the fibrous root test piece from applying the face at the tensile force and taking place to break.
The utility model discloses implement reinforcing colloid layer at the maize root stubble fibrous root test piece surface with metal pipe contact area to reinforcing fibrous root test piece and the intensity at metal pipe contact position prevent that the fibrous root test piece from taking place to destroy the fracture at the position that contacts with the metal pipe, realize that the fibrous root test piece is at the regional fracture in anticipated radial middle part.
The utility model has the advantages of being simple in structure and convenient in operation, experimental success rate is high.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a radial tensile strength measuring device of maize root stubble fibrous root which characterized in that: the device comprises a first metal pipe, a second metal pipe, a first metal wire, a second metal wire, a first metal wire clamp, a second metal wire clamp, an electronic tensile testing machine and a reinforced colloid layer; the first metal pipe and the second metal pipe are simultaneously inserted into a hollow inner cavity of the corn stubble fibrous root test piece, a first metal wire penetrates through the first metal pipe, the first metal wire is clamped on a first metal wire clamp, and the first metal wire clamp is fixed on a clamp at the top of an electronic tensile testing machine; a second metal wire penetrates through a second metal pipe, the second metal wire is clamped on a second metal wire clamp, and the second metal wire clamp is fixed on a bottom clamp of the electronic tensile testing machine; the reinforced colloid layer is positioned outside the test piece of the corn stubble fibrous root.
2. The device for measuring the radial tensile strength of the stubble roots of corn as claimed in claim 1, wherein: the first metal pipe and the second metal pipe are made of stainless steel materials, the outer diameter of the first metal pipe and the outer diameter of the second metal pipe are 2mm, and the inner diameter of the first metal pipe and the inner diameter of the second metal pipe are 1 mm.
3. The device for measuring the radial tensile strength of the stubble roots of corn as claimed in claim 1, wherein: the first metal wire and the second metal wire are made of high-strength steel materials, and the diameter of the first metal wire and the diameter of the second metal wire are 0.6 mm.
4. The device for measuring the radial tensile strength of the stubble roots of corn as claimed in claim 1, wherein: the first metal wire fixture and the second metal wire fixture have the same structure and respectively comprise a first fixed pile, a second fixed pile, a first adjustable clamping opening, a second adjustable clamping opening and a base; one end of the base is a cylinder, the first fixing pile and the second fixing pile are fixedly connected to the other end of the base, and the first adjustable clamping opening and the second adjustable clamping opening are fixedly connected to the base through threads.
5. The device for measuring the radial tensile strength of the stubble roots of corn as claimed in claim 4, wherein: the first fixing pile and the second fixing pile are the same in structure and are provided with anti-falling convex shoulders, and the anti-falling convex shoulders are provided with wire grooves.
6. The device for measuring the radial tensile strength of the stubble roots of corn as claimed in claim 1, wherein: the reinforced colloid layer is formed by dropping super glue 502 on the outer part of the corn stubble test piece, and the thickness of the colloid layer is 3-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879599.9U CN210322581U (en) | 2019-06-12 | 2019-06-12 | Corn stubble fibrous root radial tensile strength measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879599.9U CN210322581U (en) | 2019-06-12 | 2019-06-12 | Corn stubble fibrous root radial tensile strength measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210322581U true CN210322581U (en) | 2020-04-14 |
Family
ID=70143476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879599.9U Active CN210322581U (en) | 2019-06-12 | 2019-06-12 | Corn stubble fibrous root radial tensile strength measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210322581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160871A (en) * | 2019-06-12 | 2019-08-23 | 辽宁科技大学 | A kind of corn stubble fibrous root radial direction tensile strength measuring device |
-
2019
- 2019-06-12 CN CN201920879599.9U patent/CN210322581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160871A (en) * | 2019-06-12 | 2019-08-23 | 辽宁科技大学 | A kind of corn stubble fibrous root radial direction tensile strength measuring device |
| CN110160871B (en) * | 2019-06-12 | 2024-04-09 | 辽宁科技大学 | Radial tensile strength measuring device of corn root stubble fibrous root |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103674707A (en) | System and method for measuring direct tensile strength and deformation of rock | |
| CN210322581U (en) | Corn stubble fibrous root radial tensile strength measuring device | |
| CN206378359U (en) | A kind of thin plate dynamic tensile Mechanics Performance Testing clamping device | |
| CN107449661B (en) | Rectangular strip thin plate type test piece tensile test clamp | |
| CN109765100A (en) | A kind of fixture and method detecting fibre strength | |
| CN207650011U (en) | Sheet metal high temperature tensile clamp | |
| CN107271268A (en) | A kind of cement base thin plate axis pulling experiment device and its test method | |
| CN110160871B (en) | Radial tensile strength measuring device of corn root stubble fibrous root | |
| CN106289977B (en) | Bolt concrete tensile test device and test method | |
| CN106442117A (en) | Clamping device for rodlike sample long-time creep test | |
| CN201795955U (en) | Clamp for metal tension test | |
| CN208283177U (en) | UHPC test specimen uniaxial tensile test high-accuracy clamp | |
| CN110823678A (en) | High-temperature tensile test device and method for metal filaments | |
| CN206671068U (en) | The replaceable jaw of minor diameter steel wire tension test | |
| CN201138326Y (en) | Simple apparatus for measuring stretching and shearing strength of cementing compound | |
| CN209894592U (en) | Tensile test fixture | |
| CN210322562U (en) | Axial tensile test fixture for tiny plant roots | |
| CN209559635U (en) | A kind of steel plate thickness direction tension test fixture | |
| CN107246997B (en) | Shear strength testing device and shear testing method for steel wire auxiliary adhesive joint structure | |
| CN206960229U (en) | A kind of pulling experiment machine clamp | |
| CN219977967U (en) | Clamp tool for metal mechanical property testing machine | |
| CN206804422U (en) | A kind of fixture for fragile material tiny sample extension test | |
| CN219737057U (en) | Clamp for fiber reinforced cement-based material tensile test | |
| CN211234312U (en) | Verification and check auxiliary device of strain sensor | |
| CN106468638A (en) | Long cube specimen axial tension test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |