CN110132729A - A kind of tiny axial tension test fixture of plant - Google Patents
A kind of tiny axial tension test fixture of plant Download PDFInfo
- Publication number
- CN110132729A CN110132729A CN201910507386.8A CN201910507386A CN110132729A CN 110132729 A CN110132729 A CN 110132729A CN 201910507386 A CN201910507386 A CN 201910507386A CN 110132729 A CN110132729 A CN 110132729A
- Authority
- CN
- China
- Prior art keywords
- viscose
- blob
- clamp
- root
- fixture
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 229920000297 Rayon Polymers 0.000 claims abstract description 109
- 239000003292 glue Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000000084 colloidal system Substances 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 241000893864 Nerium Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0452—Cushioning layer between test piece and grip
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0458—Chucks, fixtures, jaws, holders or anvils characterised by their material
Abstract
The present invention relates to tiny axial tension test fixtures of phytomechanics field of measuring technique more particularly to a kind of plant.Including the included fixture B of blob of viscose A, blob of viscose B, blob of viscose clamp A, blob of viscose clamp B, cupping machine included fixture A and cupping machine；Glue is formed by curing blob of viscose A in root test specimen one end, and it is reverse frustoconic that glue, which is formed by curing blob of viscose B, blob of viscose A and blob of viscose B in the root test specimen other end,；Blob of viscose clamp A and blob of viscose clamp B is cylindrical body, and inside is equipped with reverse frustoconic through-hole corresponding with blob of viscose, and side wall is equipped with open slot；Blob of viscose clamp A blocks blob of viscose A, and blob of viscose clamp B blocks blob of viscose B, and the included fixture A of cupping machine clamps blob of viscose clamp A, and the included fixture B of cupping machine clamps blob of viscose clamp B.The configuration of the present invention is simple, easy to operate, success of the test rate height.Solve the problems, such as that root fixed form traditional in the test of root axial tensile-strength has clamping failure phenomenon seriously and efficiency is extremely low.
Description
Technical field
The present invention relates to tiny axial tension test cards of phytomechanics field of measuring technique more particularly to a kind of plant
Tool.
Background technique
The axial tensile-strength of root system of plant is the important mechanical characteristic of root system of plant, is used to measure what root can bear
Maximum axial pulling force.The axial tensile-strength of root is the deciding factor of radical operators shear behavior, is agricultural engineering field
The research of plant soil and slope protection is important in the scientific research and device exploitation, field of civil engineering of middle root system of plant excavation and shearing
Basic data, so, accurately measuring for the axial tensile-strength of plant roots is of crucial importance and necessary.
Currently, traditional root fixed form is that root is directly anchored to tension test in the test of root axial tensile-strength
On the included fixture of machine, the radicle winding adhesive plaster that fixture contacts is being carried to reduce root by fixture conquassation fracture with testing machine
Probability (citing, bibliography: experimental study [J] science skill of Ji Xiaolei, Yang Ping, Xia Guanghui oleander root system mechanical property
Art and engineering, 2018,18 (27): 115-120.).But in the actual operation process, there are the following problems: 1. which reduce root
Extremely limited by the effect of fixture conquassation fracture, 2., because the binding force of adhesive plaster and piece-root grafting contacting surface is insufficient, pass through before root fracture
Often there is a situation where roots to slide out fixture, and 3., since stress collection neutralizes bending shear action, it is disconnected in clamp ends root often occur
The phenomenon that splitting.So minute quantity Successful tests sample can only could be obtained by largely testing, test efficiency is extremely low.Moreover,
Traditional root fixed form is only used for diameter in the root of 2mm or more, cannot achieve tiny axial tensile-strength test.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of tiny axial tension test fixtures of plant.Solution
In the presence of clamping, failure phenomenon is serious and efficiency is extremely low asks traditional root fixed form in certainly tiny axial tensile-strength test
Topic.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of tiny axial tension test fixture of plant, including blob of viscose A, blob of viscose B, blob of viscose clamp A, blob of viscose clamp B, drawing
Stretch the fixture B that the included fixture A of testing machine and cupping machine carry；Glue is formed by curing blob of viscose A in root test specimen one end, and glue is in root
It is reverse frustoconic that the test specimen other end, which is formed by curing blob of viscose B, blob of viscose A and blob of viscose B,；Blob of viscose clamp A and blob of viscose clamp B is cylindrical body,
Inside is equipped with reverse frustoconic through-hole corresponding with blob of viscose, and side wall is equipped with open slot；Blob of viscose clamp A blocks blob of viscose A, blob of viscose clamp B
Blob of viscose B is blocked, the included fixture A of cupping machine clamps blob of viscose clamp A, and the included fixture B of cupping machine clamps glue
Block clamp B.
The glue is 502 seccotines.
The gradient of the blob of viscose A and blob of viscose B is 30 °~45 °, the gradient and blob of viscose A of the reverse frustoconic through-hole of blob of viscose clamp A
Accordingly, the gradient of the reverse frustoconic through-hole of blob of viscose clamp B is corresponding to blob of viscose B.
The axis of the blob of viscose clamp A is overlapped with its internal reverse frustoconic through-bore axis；The axis of the blob of viscose clamp B
It is overlapped with its internal reverse frustoconic through-bore axis.
The opening groove width is greater than the diameter of root test specimen.
The blob of viscose clamp A and blob of viscose clamp B is all made of the production of 45# Steel material.
Compared with prior art, the beneficial effects of the present invention are:
(1) chucking power that cupping machine carries that fixture applies is born by the colloid clamp of metal material completely, is kept away completely
Exempt from root test specimen because chucking power it is excessive caused by be crushed fracture.
(2) colloid and colloid clamp through-hole use reversed round bench shaped, convenient for the adaptive of colloid and colloid clamp mutual alignment
The phenomenon that should adjusting, facilitating installation, while root center being avoided to deflect and root is caused to be broken off.
(3) blob of viscose has energy-absorbing function, and avoiding the root test piece end contacted with fixture, there is a phenomenon where stress to concentrate.
(4) the configuration of the present invention is simple, easy to operate, success of the test rate height.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is blob of viscose schematic perspective view of the present invention；
Fig. 3 is blob of viscose clamp schematic perspective view of the present invention；
Fig. 4 is that blob of viscose of the present invention and blob of viscose clamp cooperate schematic diagram；
Fig. 5 is the process schematic that root test specimen of the present invention is packed into blob of viscose clamp；
Fig. 6 is the end-state schematic diagram that root test specimen is packed into blob of viscose clamp.
In figure: the included fixture A 3- blob of viscose A 4- blob of viscose clamp A 5- root examination of 1- cupping machine 2- cupping machine
The included fixture B of part 6- blob of viscose clamp B 7- blob of viscose B 8- cupping machine
Specific embodiment
Specific embodiments of the present invention will be further explained below, but is not intended to limit the scope of the invention:
Embodiment:
As shown in Figure 1, a kind of tiny axial tension test fixture of plant include blob of viscose A3, blob of viscose B7, blob of viscose clamp A4,
The fixture B8 that the included fixture A2 of blob of viscose clamp B6, cupping machine and cupping machine carry.Label 1, which represents, in Fig. 1 stretches
Testing machine, label 5 represent root test specimen.
As shown in Fig. 2, blob of viscose A3, blob of viscose B7 are the roundings that seccotine 502 is formed by curing behind 5 end of root test specimen by drop
The colloid of platform shape, in two ends, one blob of viscose of each self-forming of root test specimen.
As shown in figure 3, the shape, structure size of blob of viscose clamp A4, blob of viscose clamp B6 be it is identical, the two is with rounding
The cylindrical body of platform configured bore therethrough, material are 45 steel, the center line of inverted round stage through-hole and the external cylindrical surface center line weight of colloid clamp
It closes, while the side wall of blob of viscose clamp A4, blob of viscose clamp B6 have the open slot of a width b, width b is greater than the straight of root test specimen
Diameter.
As shown in figure 4, the inclination angle theta of the inverted round stage bus of the outer profile of colloid A3 and the mother of blob of viscose clamp A4 inverted round stage inner hole
Line inclination angle theta is approximately equal, θ=30 °~45 °.Similarly, the inclination angle theta and blob of viscose of the inverted round stage bus of the outer profile of colloid B7
The bus inclination angle theta of clamp A6 inverted round stage inner hole is approximately equal, θ=30 °~45 °.d1For inverted round stage diameter of bore, d2To fall
Truncated cone-shaped diameter, d1Less than or equal to d2。
As shown in figure 5, root test specimen 5 passes through blob of viscose respectively after 5 both ends of root test specimen are respectively formed blob of viscose A3, blob of viscose B7
The open slot of clamp A4, the open slot of blob of viscose clamp B6 enter in the reversed round bench shaped through-hole of blob of viscose clamp A, blob of viscose clamp B, so
Afterwards as shown in fig. 6, the position of adjustment blob of viscose clamp A4, blob of viscose clamp B6, make blob of viscose A3, blob of viscose B7 respectively fall in blob of viscose clamp A4
In the reversed round bench shaped through-hole of blob of viscose clamp B6, guarantee that blob of viscose A3, blob of viscose B7 are stuck.
As shown in Figure 1, the fixture A2 that cupping machine carries clamps blob of viscose clamp A4, the included fixture of cupping machine
B8 clamps blob of viscose clamp B6, and then realizes that 1 pair of root test specimen 5 of cupping machine implements axial tensile-strength test.
The configuration of the present invention is simple, easy to operate, success of the test rate height.It is complete that cupping machine carries the chucking power that fixture applies
Entirely by metal material colloid clamp bear, avoid completely root test specimen because chucking power it is excessive caused by be crushed fracture.Colloid and
Colloid clamp through-hole facilitates installation, together convenient for the adaptive adjustment of colloid and colloid clamp mutual alignment using reversed round bench shaped
When the phenomenon that avoiding root center from deflecting and root is caused to be broken off blob of viscose there is energy-absorbing function, avoid root contact with fixture examination
There is a phenomenon where stress to concentrate for part end.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of tiny axial tension test fixture of plant, it is characterised in that: including blob of viscose A, blob of viscose B, blob of viscose clamp A, glue
The fixture B that the included fixture A of block clamp B, cupping machine and cupping machine carry；Glue is formed by curing glue in root test specimen one end
Block A, it is reverse frustoconic that glue, which is formed by curing blob of viscose B, blob of viscose A and blob of viscose B in the root test specimen other end,；Blob of viscose clamp A and blob of viscose clamp B
For cylindrical body, inside is equipped with reverse frustoconic through-hole corresponding with blob of viscose, and side wall is equipped with open slot；Blob of viscose clamp A blocks blob of viscose A,
Blob of viscose clamp B blocks blob of viscose B, and the included fixture A of cupping machine clamps blob of viscose clamp A, the included fixture B of cupping machine
Clamp blob of viscose clamp B.
2. tiny axial tension test fixture of a kind of plant according to claim 1, it is characterised in that: the glue is
502 seccotines.
3. tiny axial tension test fixture of a kind of plant according to claim 1, it is characterised in that: the blob of viscose A
Gradient with blob of viscose B is 30 °~45 °, and the gradient of the reverse frustoconic through-hole of blob of viscose clamp A is corresponding to blob of viscose A, blob of viscose clamp B's
The gradient of reverse frustoconic through-hole is corresponding to blob of viscose B.
4. tiny axial tension test fixture of a kind of plant according to claim 1, it is characterised in that: the blob of viscose card
The axis of head A is overlapped with its internal reverse frustoconic through-bore axis；The axis of the blob of viscose clamp B and its internal reverse frustoconic
Through-bore axis is overlapped.
5. tiny axial tension test fixture of a kind of plant according to claim 1, it is characterised in that: the open slot
Width is greater than the diameter of root test specimen.
6. tiny axial tension test fixture of a kind of plant according to claim 1, it is characterised in that: the blob of viscose card
Head A and blob of viscose clamp B is all made of the production of 45# Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507386.8A CN110132729A (en) | 2019-06-12 | 2019-06-12 | A kind of tiny axial tension test fixture of plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507386.8A CN110132729A (en) | 2019-06-12 | 2019-06-12 | A kind of tiny axial tension test fixture of plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110132729A true CN110132729A (en) | 2019-08-16 |
Family
ID=67581364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507386.8A Pending CN110132729A (en) | 2019-06-12 | 2019-06-12 | A kind of tiny axial tension test fixture of plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110132729A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603899A (en) * | 2009-07-14 | 2009-12-16 | 昆明理工大学 | Field portable experiment system for tensile mechanical property of plant root system |
| CN104655488A (en) * | 2015-01-08 | 2015-05-27 | 中国科学院、水利部成都山地灾害与环境研究所 | Simple method for determining tensile strength of plant root systems |
| CN204758393U (en) * | 2015-06-10 | 2015-11-11 | 重庆材料研究院有限公司 | A centre gripping fixing device for high temperature alloy silk material high temperature tension test |
| CN105445112A (en) * | 2015-12-01 | 2016-03-30 | 河海大学 | Device for measuring tensile strength of plant root |
| CN205138892U (en) * | 2015-08-27 | 2016-04-06 | 浙江鑫宙竹基复合材料科技有限公司 | A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested |
| CN206096000U (en) * | 2016-09-21 | 2017-04-12 | 河钢股份有限公司 | Bar -shaped sample switching device of continuous annealing simulation experiment machine |
| CN208283196U (en) * | 2018-01-09 | 2018-12-25 | 安泰天龙钨钼科技有限公司 | Plate tensile sample high temperature test stretching clamp and the plate tensile sample for using the fixture |
| CN208420526U (en) * | 2018-03-16 | 2019-01-22 | 东风汽车车轮有限公司 | A kind of sample drawing clamp for test sample devices |
| CN208721501U (en) * | 2018-07-23 | 2019-04-09 | 南通云天绳缆科技有限公司 | A kind of breaking force of rope measuring device |
| CN109752236A (en) * | 2017-11-01 | 2019-05-14 | 山西农业大学 | A kind of tension test machine grip holder for test plants stalk mechanical property |
| CN109855965A (en) * | 2019-01-10 | 2019-06-07 | 中钢集团郑州金属制品研究院有限公司 | A kind of experimental rig and its method carrying out steel cord breaking tensile test |
| CN210322562U (en) * | 2019-06-12 | 2020-04-14 | 辽宁科技大学 | Axial tensile test fixture for tiny plant roots |
-
2019
- 2019-06-12 CN CN201910507386.8A patent/CN110132729A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603899A (en) * | 2009-07-14 | 2009-12-16 | 昆明理工大学 | Field portable experiment system for tensile mechanical property of plant root system |
| CN104655488A (en) * | 2015-01-08 | 2015-05-27 | 中国科学院、水利部成都山地灾害与环境研究所 | Simple method for determining tensile strength of plant root systems |
| CN204758393U (en) * | 2015-06-10 | 2015-11-11 | 重庆材料研究院有限公司 | A centre gripping fixing device for high temperature alloy silk material high temperature tension test |
| CN205138892U (en) * | 2015-08-27 | 2016-04-06 | 浙江鑫宙竹基复合材料科技有限公司 | A sample and anchor clamps for being directed at compound pressure pipe of bamboo is carried out axial tension brute force and is tested |
| CN105445112A (en) * | 2015-12-01 | 2016-03-30 | 河海大学 | Device for measuring tensile strength of plant root |
| CN206096000U (en) * | 2016-09-21 | 2017-04-12 | 河钢股份有限公司 | Bar -shaped sample switching device of continuous annealing simulation experiment machine |
| CN109752236A (en) * | 2017-11-01 | 2019-05-14 | 山西农业大学 | A kind of tension test machine grip holder for test plants stalk mechanical property |
| CN208283196U (en) * | 2018-01-09 | 2018-12-25 | 安泰天龙钨钼科技有限公司 | Plate tensile sample high temperature test stretching clamp and the plate tensile sample for using the fixture |
| CN208420526U (en) * | 2018-03-16 | 2019-01-22 | 东风汽车车轮有限公司 | A kind of sample drawing clamp for test sample devices |
| CN208721501U (en) * | 2018-07-23 | 2019-04-09 | 南通云天绳缆科技有限公司 | A kind of breaking force of rope measuring device |
| CN109855965A (en) * | 2019-01-10 | 2019-06-07 | 中钢集团郑州金属制品研究院有限公司 | A kind of experimental rig and its method carrying out steel cord breaking tensile test |
| CN210322562U (en) * | 2019-06-12 | 2020-04-14 | 辽宁科技大学 | Axial tensile test fixture for tiny plant roots |
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