CN207816734U - A kind of novel sugar grass bending strength analyzer - Google Patents
A kind of novel sugar grass bending strength analyzer Download PDFInfo
- Publication number
- CN207816734U CN207816734U CN201820101008.0U CN201820101008U CN207816734U CN 207816734 U CN207816734 U CN 207816734U CN 201820101008 U CN201820101008 U CN 201820101008U CN 207816734 U CN207816734 U CN 207816734U
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- China
- Prior art keywords
- bending strength
- lower plate
- upper plate
- sugar grass
- novel sugar
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Abstract
A kind of novel sugar grass bending strength analyzer of the utility model, including pedestal, two supporting tables found the supporting rod on pedestal and be mounted on side by side on pedestal, the distance between two supporting tables are adjustable, and supporting rod is fixed with outer barrel, and outer barrel activity is equipped with compression bar；Further include bending press mechanism, be bent upper plate, lower plate and elastic component that press mechanism includes arranged side by side, elastic component is arranged between the upper and lower plates, and upper plate is fixedly connected with the lower end of compression bar, and lower plate is provided with pressure head；It further include the measuring mechanism of the displacement for measuring upper plate and lower plate.Compared with prior art, the utility model structure is integrally fairly simple, easy to carry, cheap, data parameters is provided for stalk mechanics of bending characteristic and the research of lodging relationship, to which broomcorn straw bending strength be calculated.
Description
Technical field
The utility model is related to sugar grass mechanical characteristic technical fields, and in particular to a kind of novel sugar grass bending strength survey
Determine instrument.
Background technology
Shortage problem with the fast development of farming and animal husbandry, natural pasture overgrazed, forage grass will seem more prominent.
The sugar grass agricultural planting crop one of important as China, its stalk quantity is more after harvest, be it is a kind of it is full of nutrition can be again
Production-goods source.But sugar grass plant is higher, under the atrocious weathers such as strong wind, can lead to its lodging, it will to the growth of sugar grass
It can have a certain impact, the yield of sugar grass is made to substantially reduce.If the lodging rate of sugar grass can be reduced, it will for China
Animal husbandry and efficiently using for resource make major contribution.
Mechanics of bending characteristic is important one of the mechanical characteristic of sugar grass, and a large amount of result of study shows the bending force of stalk
Learn with lodging have it is important contact, therefore from the mechanics of bending characteristic of stalk set about probing into them between present in correlation
Contact is of great significance to solving a series of problems, such as lodging.
The research of stalk material mechanics of bending is carried out with universal testing machine mostly.However universal test not only price
Costliness, and body type and weight are all larger, when carrying out mechanics of bending characteristic research, can only fetch material and test.
But will be tested in time after harvesting, otherwise interval time is long, and moisture has corresponding variation, meeting with sugar
Influence the reliability of experiment.
In conclusion there is an urgent need for a kind of portable bending strength measurement device, can in time be tested after stalk cutting,
True and reliable data are provided, important data parameters are provided for sugar grass mechanics of bending characteristic and research resistant to lodging.
Invention content
For the prior art, there are above-mentioned technical problems, and the utility model offer is a kind of easy to carry, cheap, are straw
The research of stalk mechanics of bending characteristic and lodging relationship provides the novel sugar grass bending strength analyzer of data parameters.
To achieve the above object, the utility model provides following technical scheme：
A kind of novel sugar grass bending strength analyzer, including pedestal, supporting rod and the peace arranged side by side stood on pedestal are provided
Two supporting tables on pedestal, the distance between two supporting tables are adjustable, and supporting rod is fixed with outer barrel, and outer barrel is lived
It is dynamic to be equipped with compression bar；
Further include bending press mechanism, is bent upper plate, lower plate and elastic component that press mechanism includes arranged side by side, elastic component setting
Between the upper and lower plates, upper plate is fixedly connected with the lower end of compression bar, and lower plate is provided with pressure head；
It further include the measuring mechanism of the displacement for measuring upper plate and lower plate.
Wherein, upper plate and lower plate are respectively arranged with the measuring mechanism, and each measuring mechanism includes mounting bracket, scale
Item, magnetic slider and pointer, scale strip are fixed on supporting rod by mounting bracket, and the inside of scale strip is provided with sliding slot, and magnetism is sliding
Block is placed in sliding slot, and magnetic slider is magneted in scale strip, and the pointer is fixed on upper plate/lower plate, and pointer is inserted into sliding slot
And magnetic slider can be pushed to be moved in sliding slot.
Wherein, the elastic component is spring, and spring one end resists lower plate, and the other end resists upper plate.
Wherein, the lower plate is fixed with guide post, and upper plate offers through-hole, and guide post passes through through-hole, and spring, which is set in, leads
To outside column.
Wherein, pedestal is provided with slot hole and bolt, and described two supporting tables can be adjustably mounted to grow by the bolt
Hole.
Wherein, the supporting rod fixes the outer barrel by fixture.
Wherein, the upper end of the compression bar is provided with handle.
Wherein, the pressure head is pyramid.
The beneficial effects of the utility model：
A kind of novel sugar grass bending strength analyzer of the utility model, including pedestal, the supporting rod stood on pedestal
With two supporting tables side by side on pedestal, the distance between two supporting tables are adjustable, and supporting rod is fixed with outer
Cylinder, outer barrel activity are equipped with compression bar；Further include bending press mechanism, is bent upper plate, lower plate and bullet that press mechanism includes arranged side by side
Property part, elastic component be arranged between the upper and lower plates, upper plate is fixedly connected with the lower end of compression bar, and lower plate is provided with pressure head；Also
It include the measuring mechanism of the displacement for measuring upper plate and lower plate.Compared with prior art, the utility model structure integrally compares
Simply, easy to carry, it is cheap, data parameters are provided for stalk mechanics of bending characteristic and the research of lodging relationship, to count
Calculation obtains broomcorn straw bending strength.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of novel sugar grass bending strength analyzer of the utility model.
Fig. 2 is a kind of structural schematic diagram of another angle of novel sugar grass bending strength analyzer of the utility model
Reference numeral：
Pedestal 1, slot hole 11；
Supporting rod 2, fixture 21；
Supporting table 3；
Outer barrel 4；
Compression bar 5；
Handle 6；
It is bent press mechanism 7, upper plate 71, lower plate 72, guide post 721, spring 73, pressure head 74；
Measuring mechanism 8, mounting bracket 81, scale strip 82, pointer 83；
Broomcorn straw sample 9.
Specific implementation mode
The utility model is described in detail below in conjunction with specific embodiment and attached drawing.
A kind of novel sugar grass bending strength analyzer of the present embodiment as depicted in figs. 1 and 2, including pedestal 1, is stood
Supporting rod 2 on pedestal 1 and side by side two supporting tables 3 on pedestal 1, pedestal 1 are provided with slot hole 11 and bolt, two
Supporting table 3 can be adjustably mounted to slot hole 11 by bolt, be fixed in predeterminated position, i.e., the distance between two supporting tables 3 are
It is adjustable.Supporting rod 2 is fixed with outer barrel 4, and for supporting rod 2 by fixture 21 come fixed outer cylinder 4,4 activity of outer barrel is equipped with compression bar
5, the upper end of compression bar 5 is provided with handle 6；Further include bending press mechanism 7, bending press mechanism 7 include upper plate 71 arranged side by side,
Lower plate 72 and elastic component, elastic component are spring 73, and 73 one end of spring resists lower plate 72, and the other end resists upper plate 71.Lower plate 72 is solid
There are two guide posts 721, upper plate 71 to offer through-hole, guide post 721 passes through through-hole, spring 73 to be set in outside guide post 721 surely.
Upper plate 71 is fixedly connected with the lower end of compression bar 5, and lower plate 72 is provided with pressure head 74, and pressure head 74 is pyramid, and pressure head 74 is located at
Middle top between two supporting tables 3.
The analyzer further includes the measuring mechanism 8 of the displacement for measuring upper plate 71 and lower plate 72, upper plate 71 and lower plate 72
It is respectively arranged with measuring mechanism 8, each measuring mechanism 8 includes mounting bracket 81, scale strip 82, magnetic slider and pointer 83, scale
Item 82 is fixed on supporting rod 2 by mounting bracket 81, and the inside of scale strip 82 is provided with sliding slot, and magnetic slider is placed in sliding slot,
And magnetic slider is magneted in scale strip 82, pointer 83 is fixedly welded on 71/ lower plate 72 of upper plate, and pointer 83 is inserted into sliding slot and can
Magnetic slider is pushed to be moved down in sliding slot, when pointer 83 moves up, magnetic slider remains stationary as.
In use, operating according to the following steps：
Step (1) measures 9 diameter d of broomcorn straw sample, length with survey tools such as vernier calipers；
Step (2), according to the length of broomcorn straw sample 9, adjustment bolt to two stalk supporting tables 3 of control position,
And measure the spacing l between two supporting tables 31；
Tested broomcorn straw sample 9 is placed in supporting table 3 by step (3)；
Step (4) measures the horizontal distance α that pressure head 74 arrives one of supporting table 3；
Step (5), stirs magnetic slider respectively, and magnetic slider is made to be adjacent to upper plate 71 and the pointer 83 of lower plate 72 respectively；
Step (6) records the corresponding reading of magnetic slider at two；
Step (7) presses handle 6 straight down, and compression bar 5 drives upper plate 71 to move down compressed spring 73, lower plate 72 to
Lower band dynamic head 74, pressure head 74 bend downwards sorghum straw stalk sample；
Step (8), after the completion of compression, the corresponding reading of two magnetic sliders of record；
Step (9) calculates separately the distance of two magnetic sliders movement, the difference that the displacement distances of two pieces of magnetic sliders is subtracted each other
Value X (i.e. the decrement of spring 73)；
Step (10), calculates the bending strength of stalk, and specific computational methods are：
F in formula1=k*x k --- spring constant N/m；
Mmax--- maximal bending moment, Nm；
Wz--- section factor, m3；
FA--- supporting point is to the holding power of stalk, N；
F1--- pressure straight down, N；
Sweet sorghum stalk bending strength is obtained by calculation.
Compared with prior art, the utility model structure is integrally fairly simple, easy to carry, cheap, is that stalk is curved
Bent mechanical characteristic and the research of lodging relationship provide data parameters, to which broomcorn straw bending strength be calculated.
Finally it should be noted that above example is only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail to the utility model with reference to preferred embodiment, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the utility model, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. a kind of novel sugar grass bending strength analyzer, it is characterized in that：Including pedestal, found supporting rod on pedestal and side by side
Two supporting tables on pedestal, the distance between two supporting tables are adjustable, and supporting rod is fixed with outer barrel, outer barrel
Activity is equipped with compression bar；
Further include bending press mechanism, be bent upper plate, lower plate and elastic component that press mechanism includes arranged side by side, elastic component is arranged upper
Between plate and lower plate, upper plate is fixedly connected with the lower end of compression bar, and lower plate is provided with pressure head；
It further include the measuring mechanism of the displacement for measuring upper plate and lower plate.
2. a kind of novel sugar grass bending strength analyzer according to claim 1, it is characterized in that：Upper plate and lower plate difference
It is provided with the measuring mechanism, each measuring mechanism includes mounting bracket, scale strip, magnetic slider and pointer, and scale strip is logical
Mounting bracket is crossed to be fixed on supporting rod, the inside of scale strip is provided with sliding slot, and magnetic slider is placed in sliding slot, and magnetic slider magnetic
It inhales in scale strip, the pointer is fixed on upper plate/lower plate, and pointer is inserted into sliding slot and magnetic slider can be pushed to be moved in sliding slot
It is dynamic.
3. a kind of novel sugar grass bending strength analyzer according to claim 1, it is characterized in that：The elastic component is bullet
Spring, spring one end resist lower plate, and the other end resists upper plate.
4. a kind of novel sugar grass bending strength analyzer according to claim 3, it is characterized in that：The lower plate is fixed with
Guide post, upper plate offer through-hole, and guide post passes through through-hole, spring to be set in outside guide post.
5. a kind of novel sugar grass bending strength analyzer according to claim 1, it is characterized in that：Pedestal is provided with slot hole
And bolt, described two supporting tables can be adjustably mounted to slot hole by the bolt.
6. a kind of novel sugar grass bending strength analyzer according to claim 1, it is characterized in that：The supporting rod passes through
Fixture fixes the outer barrel.
7. a kind of novel sugar grass bending strength analyzer according to claim 1, it is characterized in that：The upper end of the compression bar
Portion is provided with handle.
8. a kind of novel sugar grass bending strength analyzer according to claim 1, it is characterized in that：The pressure head is pyramid
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101008.0U CN207816734U (en) | 2018-01-19 | 2018-01-19 | A kind of novel sugar grass bending strength analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101008.0U CN207816734U (en) | 2018-01-19 | 2018-01-19 | A kind of novel sugar grass bending strength analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816734U true CN207816734U (en) | 2018-09-04 |
Family
ID=63324447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820101008.0U Expired - Fee Related CN207816734U (en) | 2018-01-19 | 2018-01-19 | A kind of novel sugar grass bending strength analyzer |
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| Country | Link |
|---|---|
| CN (1) | CN207816734U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238960A (en) * | 2020-03-24 | 2020-06-05 | 河南问道光电科技有限公司 | Acupuncture type corn stalk lodging strength rapid measuring instrument convenient to operate |
| CN112611707A (en) * | 2020-12-24 | 2021-04-06 | 海南大学 | Quick tester for rice root lodging |
| CN113125303A (en) * | 2021-04-16 | 2021-07-16 | 河南旭阳光电科技有限公司 | Device for testing low-temperature viscosity of glass by bending method |
-
2018
- 2018-01-19 CN CN201820101008.0U patent/CN207816734U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238960A (en) * | 2020-03-24 | 2020-06-05 | 河南问道光电科技有限公司 | Acupuncture type corn stalk lodging strength rapid measuring instrument convenient to operate |
| CN111238960B (en) * | 2020-03-24 | 2022-09-20 | 河南问道光电科技有限公司 | Acupuncture type corn stalk lodging strength rapid measuring instrument convenient to operate |
| CN112611707A (en) * | 2020-12-24 | 2021-04-06 | 海南大学 | Quick tester for rice root lodging |
| CN112611707B (en) * | 2020-12-24 | 2023-04-28 | 海南大学 | Quick tester for lodging of rice root system |
| CN113125303A (en) * | 2021-04-16 | 2021-07-16 | 河南旭阳光电科技有限公司 | Device for testing low-temperature viscosity of glass by bending method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20210119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |