CN105445112A - Device for measuring tensile strength of plant root - Google Patents
Device for measuring tensile strength of plant root Download PDFInfo
- Publication number
- CN105445112A CN105445112A CN201510863116.2A CN201510863116A CN105445112A CN 105445112 A CN105445112 A CN 105445112A CN 201510863116 A CN201510863116 A CN 201510863116A CN 105445112 A CN105445112 A CN 105445112A
- Authority
- CN
- China
- Prior art keywords
- plant root
- holder
- balance
- balance stem
- intensity according
- 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
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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a device for measuring tensile strength of a plant root. The device comprises a balance, a force measuring unit and a clamping unit, wherein the balance comprises a base, a mounting rod and a balancing pole with scale marks, and the middle of the balancing pole is rotationally connected with the mounting rod; the force measuring unit and the clamping unit are arranged at two ends of the balancing pole respectively; the force measuring unit comprises a weight capable of sliding along the balancing pole; the clamping unit comprises a lower clamping part fixedly connected with the base and an upper clamping part capable of moving upwards and downwards under the drive of the balancing pole, and a to-be-measured plant root is vertically clamped between the upper clamping part and the lower clamping part. To overcome defects in the prior art, the device for measuring the tensile strength of the plant root is provided and is simple to operate, and the problems that a conventional measurement device has larger errors, more man-made influence factors exist, a forcing device is not reliable and the like are solved; furthermore, the measurement scope is large, the structure is simple, the measurement is convenient, and the problem that the tensile strength of the plant root cannot be accurately measured is effectively solved.
Description
Technical field
The present invention relates to a kind of device measuring plant root tensile resistence intensity, belong to Environmental Studies technical field.
Background technology
At occurring in nature, the especially area such as plateau, mountain region, due to natural causes such as special landforms, weathers, the geologic hazard phenomenon that the domatic labile factors such as the soil erosion, earth's surface soil erosion, landslide, rubble flow cause is comparatively serious.Here domatic wild effect comprises: surface layer is unstable, shallow-layer is unstable and deep layer is unstable, and the above two are more common within the 1m scope of below earth's surface, occur the most general.
A large amount of investigation shows: large area preserves fair natural and artificial vegetation, and top layer, the domatic labile factor of shallow-layer are had to important suppression and slacken effect.Therefore, according to environment on the spot, the vegetation pattern that seed selection is appropriate, and it to be improved with erosion environment and regulation and control combine, be to stablize one of the most effective domatic approach.Huge vegetation root system is very crucial to soil fixing, on the slope having vegetation growth, if shallow-layer soil comes down, except the landslide, powerful shearing resistance effect opposing soil of the vertical root system of vegetation, the axial stretch-proof effect of horizontal root system is also extremely important, in addition, when coming down in soil, the root system of vertical shearing resistance is also extracted usually from soil to be broken, and seldom cut off, therefore, the axial stretch-proof mechanical characteristic of vegetation root system is tested, particularly test its axial tensile-strength, the fixing effect of all kinds of vegetation root system of quantitative analysis to soil, for the important foundation of suitable vegetation pattern is selected in slope protection and water and soil conservation.
In prior art, owing to lacking the Special Equipment tested the stretch-proof mechanical characteristic of root system of plant, the test of people to the stretch-proof mechanical characteristic of root system of plant adopts simple instrument as hand vice mostly.On the one hand, test process needs many people operation, wastes time and energy; On the other hand, reliable augmentor is lacked in afterburner process, limited by the direct acting pulling force of staff, unstable, be difficult to ensure that pulling force is along root system axially slow uniform load, also may produce twisting resistance, be unfavorable for the actual conditions of the axial stretch-proof of the reflection root system of plant of objective, the stability of test result can not be ensured, the demand of a large amount of root system test can not be met.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of device quickly and reliably measuring plant root tensile resistence intensity.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Measure a device for plant root tensile resistence intensity, comprising: balance, load cell and grip unit, described balance comprises: the graduated balance stem of band that pedestal, the mounting rod vertically arranged, middle part and mounting rod are rotationally connected; Described load cell and grip unit are divided into balance stem two ends, described load cell comprises the counterweight that can slide along balance stem, described grip unit comprises: the lower holder be fixedly connected with pedestal and the upper holder that can realize upper and lower displacement under the drive of balance stem, plant root to be measured is located between holder and lower holder vertically.In measuring process, by constant weight counterweight along balance stem slowly movement, just make plant root rupture when moving to certain and being a bit, counterweight stops sliding, record scale now, the maximum stretching force utilizing principle of moments can record this plant root to can bear.
Preferably, aforementioned load cell also comprises: be installed on the slide mechanism in balance stem, and described slide mechanism comprises: the slide rail being formed with slideway and the first chain hook be slidably connected with slide rail, described counterweight hangs on below the first chain hook.
More preferably, aforementioned slide rail is provided with damping stop, its effect makes counterweight can realize in sliding process when slide rail moves in LAP, first chain hook automatically becomes locked to a fixing position of rest, and slow down shock, vibrations when oppositely accelerating mobile stop by damping action, and be locked in fixing position, improve the reliability of testing result.
Again preferably, aforementioned balance stem is fixedly connected with the second chain hook away from the other end of counterweight, and described second chain hook is have the rope made of hemp, and the described rope made of hemp is connected with the top of upper holder, drives upper holder upper and lower displacement by the rope made of hemp.
Further, aforesaid clip unit also comprises: be connected to the guide rail on pedestal, described lower holder to be arranged between guide rail and to be fixedly connected with pedestal, and described upper holder along guide rail upper and lower displacement, can more adequately can react the actual mechanics situation of root system of plant like this.
Again further, aforementioned upper holder and lower holder include: the U-shaped grip block that two pieces of clamping faces are arranged in opposite directions and fishbolt.
Usefulness of the present invention is: adopt mechanical hook-up to instead of the manual force of artificial simple tool in the present invention and carry out test plants root tensile resistence intensity, simple and the detachable assembling of this apparatus structure, be convenient for carrying field and carry out root system of plant tensile strength on-the-spot test experiment, ensure that the integrality of the abundant of test sample book and test, avoid after laboratory is gone back in root system of plant collection because the soil time departing from its growth is long, cause root tensile strength to change and produce the negative consequence of measurement error, and be convenient to real time record experimental result, thus the actual mechanics situation of root system of plant can be reflected more accurately, and, owing to having installed damping stop in carriage, can effectively prevent from causing its scale to change because counterweight swings back and forth and the error of generation, for the comparatively exact value of test plants root system tensile strength provides guarantee, improve the reliability of root system of plant tensile strength test experiments.
To sum up, the present invention is directed to the deficiency that prior art exists, provide a kind of device measuring plant root tensile resistence intensity, simple to operate, solve the problems such as typical measuring arrangements error is comparatively large, artifical influence factor is more, augmentor is unreliable; And measuring amplitude of the present invention is large, structure is simple, and it is convenient to measure, and efficiently solves root system of plant tensile strength and measures inaccurate problem.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation measuring the device of plant root tensile resistence intensity of the present invention;
Fig. 2 is the structural representation of grip unit in Fig. 1.
The implication of Reference numeral in figure: 1, pedestal, 2, mounting rod, 3, balance stem, 4, counterweight, the 5, first chain hook, 6, upper holder, 7, lower holder, the 8, second chain hook, 9, fishbolt, 10, guide rail, 11, root system of plant, 12, the rope made of hemp.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
See Fig. 1, the device of measurement plant root tensile resistence intensity of the present invention will keep level in test process, specifically comprises: balance, load cell and grip unit.Wherein, balance comprises: the graduated balance stem 3 of band that pedestal 1, the mounting rod 2 vertically arranged, middle part and mounting rod 2 are rotationally connected.Load cell and grip unit are divided into the two ends of balance stem 3.As shown in Figure 1, load cell comprises: can along the counterweight 4 of balance stem 3 movement and the slide mechanism be installed in balance stem 3, the principle broadly similar of slide mechanism and balance of the prior art or platform scale, mainly comprise: the slide rail being formed with slideway and the first chain hook 5 be slidably connected with slide rail, counterweight 4 hangs on below the first chain hook 5.It should be noted that, slide rail is provided with damping stop, its effect makes counterweight 4 can realize in sliding process when slide rail moves in LAP, first chain hook 5 automatically becomes locked to a fixing position of rest, and slow down shock, vibrations when oppositely accelerating mobile stop by damping action, and be locked in fixing position, improve the reliability of testing result.
As shown in Figure 2, grip unit comprises holder 6 and lower holder 7, upper holder 6 and lower holder 7 include: the U-shaped grip block that two pieces of clamping faces are arranged in opposite directions and fishbolt 9, root system of plant 11 to be measured is located between holder 6 and lower holder 7 vertically.Wherein, lower holder 7 is fixedly connected with pedestal 1, and upper grip slipper can realize upper and lower displacement under the drive of balance stem 3.In order to drive the displacement of upper holder 6, as shown in Figure 1, balance stem 3 is fixedly connected with on the second chain hook 8, second chain hook 8 away from the other end of counterweight 4 is have the rope made of hemp 12, the rope made of hemp 12 is connected with the top of upper holder 6, drives upper holder 6 upper and lower displacement by the rope made of hemp 12.
Further, grip unit also comprises: be connected to the guide rail 10 on pedestal 1, lower holder 7 to be arranged between guide rail 10 and to be fixedly connected with pedestal 1, upper holder 6 can along guide rail 10 upper and lower displacement, so, the upper direction of holder 6 in displacement process is only vertical direction, more adequately can react the actual mechanics situation of root system of plant 11.
In measuring process, by constant weight counterweight 4 along balance stem 3 slowly movement, just make plant root rupture when moving to certain and being a bit, counterweight 4 stops sliding, record scale now, the maximum stretching force utilizing principle of moments can record this plant root to can bear.Change the counterweight 4 i.e. easily extensible of Different Weight by the tensile force scope of side root system of plant 11.
To sum up, the present invention is directed to the deficiency that prior art exists, provide a kind of device measuring root system of plant tensile resistence intensity, simple to operate, solve the problems such as typical measuring arrangements error is comparatively large, artifical influence factor is more, augmentor is unreliable; And measuring amplitude of the present invention is large, structure is simple, and it is convenient to measure, and efficiently solves root system of plant 11 tensile strength and measures inaccurate problem.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (7)
1. measure a device for plant root tensile resistence intensity, it is characterized in that, comprising: balance, load cell and grip unit, described balance comprises: the graduated balance stem of band that pedestal, the mounting rod vertically arranged, middle part and mounting rod are rotationally connected; Described load cell and grip unit are divided into balance stem two ends, described load cell comprises the counterweight that can slide along balance stem, described grip unit comprises: the lower holder be fixedly connected with pedestal and the upper holder that can realize upper and lower displacement under the drive of balance stem, plant root to be measured is located between holder and lower holder vertically.
2. a kind of device measuring plant root tensile resistence intensity according to claim 1, it is characterized in that, described load cell also comprises: be installed on the slide mechanism in balance stem, described slide mechanism comprises: the slide rail being formed with slideway and the first chain hook be slidably connected with slide rail, described counterweight hangs on below the first chain hook.
3. a kind of device measuring plant root tensile resistence intensity according to claim 2, is characterized in that, described slide rail is provided with damping stop.
4. a kind of device measuring plant root tensile resistence intensity according to claim 1, is characterized in that, described balance stem is fixedly connected with the second chain hook away from the other end of counterweight, and described second chain hook is have the rope made of hemp.
5. a kind of device measuring plant root tensile resistence intensity according to claim 4, it is characterized in that, the described rope made of hemp is connected with the top of upper holder.
6. a kind of device measuring plant root tensile resistence intensity according to any one of claim 1-5, it is characterized in that, described grip unit also comprises: be connected to the guide rail on pedestal, described lower holder to be arranged between guide rail and to be fixedly connected with pedestal, and described upper holder can along guide rail upper and lower displacement.
7. a kind of device measuring plant root tensile resistence intensity according to claim 6, is characterized in that, described upper holder and lower holder include: the U-shaped grip block that two pieces of clamping faces are arranged in opposite directions and fishbolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863116.2A CN105445112A (en) | 2015-12-01 | 2015-12-01 | Device for measuring tensile strength of plant root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510863116.2A CN105445112A (en) | 2015-12-01 | 2015-12-01 | Device for measuring tensile strength of plant root |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105445112A true CN105445112A (en) | 2016-03-30 |
Family
ID=55555570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510863116.2A Pending CN105445112A (en) | 2015-12-01 | 2015-12-01 | Device for measuring tensile strength of plant root |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105445112A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442317A (en) * | 2016-10-21 | 2017-02-22 | 长江勘测规划设计研究有限责任公司 | Plant single-root pulling-out strength determination device and test method |
| CN110132729A (en) * | 2019-06-12 | 2019-08-16 | 辽宁科技大学 | A kind of tiny axial tension test fixture of plant |
| 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 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2770469Y (en) * | 2004-12-07 | 2006-04-12 | 郭琛 | Self-locking guide-rail sliding device |
| CN1785095A (en) * | 2004-12-07 | 2006-06-14 | 郭琛 | Self-locking type rail sliding apparatus |
| CN101487225A (en) * | 2009-02-12 | 2009-07-22 | 重庆交通大学 | Pavement interlaminar bonding direct tensilometer |
| 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 |
| CN201517982U (en) * | 2009-07-14 | 2010-06-30 | 昆明理工大学 | Testing machine for tensile strength of roots |
| CN201852775U (en) * | 2010-09-21 | 2011-06-01 | 武汉科技大学 | Electrochemical measuring device under interaction of tensile stress and corrosive media |
| CN202720803U (en) * | 2012-07-20 | 2013-02-06 | 东北农业大学成栋学院 | A lever teaching aid used for physics teaching |
| CN202770699U (en) * | 2012-06-29 | 2013-03-06 | 西北核技术研究所 | Lever-type constant-tension loading device |
| CN103822825A (en) * | 2014-03-10 | 2014-05-28 | 北京科技大学 | Automatic timing device for constant load tensile testing equipment |
| CN204405448U (en) * | 2015-02-10 | 2015-06-17 | 浙江大学 | A kind of test unit of field test root system of plant pulling test strength |
-
2015
- 2015-12-01 CN CN201510863116.2A patent/CN105445112A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2770469Y (en) * | 2004-12-07 | 2006-04-12 | 郭琛 | Self-locking guide-rail sliding device |
| CN1785095A (en) * | 2004-12-07 | 2006-06-14 | 郭琛 | Self-locking type rail sliding apparatus |
| CN101487225A (en) * | 2009-02-12 | 2009-07-22 | 重庆交通大学 | Pavement interlaminar bonding direct tensilometer |
| 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 |
| CN201517982U (en) * | 2009-07-14 | 2010-06-30 | 昆明理工大学 | Testing machine for tensile strength of roots |
| CN201852775U (en) * | 2010-09-21 | 2011-06-01 | 武汉科技大学 | Electrochemical measuring device under interaction of tensile stress and corrosive media |
| CN202770699U (en) * | 2012-06-29 | 2013-03-06 | 西北核技术研究所 | Lever-type constant-tension loading device |
| CN202720803U (en) * | 2012-07-20 | 2013-02-06 | 东北农业大学成栋学院 | A lever teaching aid used for physics teaching |
| CN103822825A (en) * | 2014-03-10 | 2014-05-28 | 北京科技大学 | Automatic timing device for constant load tensile testing equipment |
| CN204405448U (en) * | 2015-02-10 | 2015-06-17 | 浙江大学 | A kind of test unit of field test root system of plant pulling test strength |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442317A (en) * | 2016-10-21 | 2017-02-22 | 长江勘测规划设计研究有限责任公司 | Plant single-root pulling-out strength determination device and test method |
| CN110132729A (en) * | 2019-06-12 | 2019-08-16 | 辽宁科技大学 | A kind of tiny axial tension test fixture of plant |
| 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 |
|---|---|---|
| CN104048885B (en) | Pendulum bob type shearing-resistant impact testing machine and testing method thereof | |
| JP5168696B2 (en) | Portable cone penetration test equipment | |
| CN107090859B (en) | A kind of test method of the multidirectional horizontal bearing capacity of single pile under compound load action | |
| JP5239042B2 (en) | Compact loading test apparatus and test method therefor | |
| CN105445112A (en) | Device for measuring tensile strength of plant root | |
| CN104655488A (en) | Simple method for determining tensile strength of plant root systems | |
| CN109708985B (en) | Soft rock strength test needle penetration instrument and use method thereof | |
| CN204590104U (en) | A kind of bath scaled model experimental device of simulating self-balance testing pile method | |
| CN107655762A (en) | A kind of composed coal and rock Burst Tendency experiment simulator and method | |
| CN107102118B (en) | The model test apparatus of real-time measurement traction landslide slopes ess-strain | |
| CN204269475U (en) | Tensile Strength of Frozen Soil proving installation | |
| CN204903300U (en) | Testing arrangement is cuted in drilling of soil body normal position | |
| CN104697855A (en) | Device and method for measuring fiber drawing creep | |
| CN204027930U (en) | A kind of fibne pull-out creep proving installation | |
| CN202937253U (en) | Tester for depth, dip angle and azimuth angle of blast hole | |
| CN203904961U (en) | Drill rod fixing and distance measuring device for standard penetration test | |
| CN211401995U (en) | Low-energy-consumption automatic hard rock impact device with combination of moving pulleys and fixed pulleys | |
| CN205718780U (en) | A kind of simple support disk pile force bearing disk diameter detector | |
| Ayothiraman et al. | Model experiments on pile behaviour in loose-medium dense sand under combined uplift and lateral loads | |
| CN203572725U (en) | Novel pavement structure interlamination interface shearing strength test equipment | |
| CN103306255B (en) | Box-type power penetrometer without feeler lever and probing method thereof | |
| CN102465517A (en) | Foundation drill rod detector | |
| CN109632491A (en) | It is a kind of for testing the device and its application method of test specimen tensile strength | |
| CN202247834U (en) | Portable automatic penetration instrument | |
| CN108225261A (en) | For the stake top and pile tip settlement while observation device and method of pile foundation model test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
|
| RJ01 | Rejection of invention patent application after publication |