CN207764058U - A kind of corn stem force tester resistant to lodging - Google Patents
A kind of corn stem force tester resistant to lodging Download PDFInfo
- Publication number
- CN207764058U CN207764058U CN201820153705.0U CN201820153705U CN207764058U CN 207764058 U CN207764058 U CN 207764058U CN 201820153705 U CN201820153705 U CN 201820153705U CN 207764058 U CN207764058 U CN 207764058U
- Authority
- CN
- China
- Prior art keywords
- support plate
- electric pushrod
- corn stem
- lodging
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a kind of corn stem force tester resistant to lodging, belongs to agriculture test equipment technical field, including support plate and pedestal, the bottom end of the support plate is fixed in the upper surface of pedestal；The surface of the support plate slidably connects the first fixture and electric pushrod, first fixture and electric pushrod can be moved along the length direction of support plate, the one end of the electric pushrod far from support plate is connected with push plate, the push plate is equipped with pressure sensor, the top of the support plate is equipped with display, the display is electrically connected with pressure sensor, and the bottom of the support plate is also connected with the second fixture.The utility model characterizes the lodging tolerance of corn stem by testing two parameters of bending strength and elasticity modulus of corn stem, test result is more accurate, in addition the utility model applies horizontal applied force by electric pushrod to corn, saves manpower and control easy to automate.
Description
Technical field
The utility model belongs to agriculture test equipment technical field, and in particular to a kind of corn stalk lodging resistance test
Instrument.
Background technology
Corn lodging is during corn growth because wind and rain or mismanagement make one kind that plant tilts or lands
Disaster is produced, corn lodging is generally there are two kinds of influence factors, when kind, second is that weather, uncontrollable in the latter,
Selection and breeding kind resistant to lodging becomes the most important thing of corn breeding work, in the Breeding Process of corn resistant to lodging, inevitably
The power resistant to lodging of corn is tested, the corn that the current country uses force tester device resistant to lodging needs to cut down corn,
Then it measures plants stems culm base puncture force with dynamometer and fracture resistence force, these test equipments is not suitable for field test, and
To the damage that corn causes to repair, cause largely to waste.
The prior art (CN206671089U) discloses a kind of corn stem force tester resistant to lodging, including riser and can edge
The first external member that riser moves up and down, angular transducer or pressure sensor are equipped in first external member, and the angle passes
By data transfer to terminal device, the acquisition of the prior art data is more intuitive, can be effective for sensor or pressure sensor
Improve measurement efficiency in ground.Direct pull riser forgets about it plant to the prior art when in use, passes through in drawing process
The power resistant to lodging for the data characterization corn that pressure sensor is shown in first external member only is difficult to really reflect by this data
The lodging tolerance of corn, and riser is difficult to realize automation control by manpower pulling.
Utility model content
The utility model provides a kind of corn stem force tester resistant to lodging, can solve existing in the prior art ask
Topic.
The utility model provides a kind of corn stem force tester resistant to lodging, including support plate and pedestal, the bottom of the support plate
End is fixed on pedestal；The surface of the support plate slidably connects the first fixture and electric pushrod, first fixture and electronic
Push rod can be moved up and down along support plate, and first fixture is located at the top of electric pushrod, the electric pushrod far from support plate one
End is connected with push plate, and the push plate is equipped with pressure sensor, and the top of the support plate is equipped with display, the display and pressure
Force snesor is electrically connected, and the bottom of the support plate is also connected with the second fixture.
Preferably, the surface of the support plate is provided with T shape sliding slots vertically, and the first sliding block is slidably connected on the T shapes sliding slot
With the second sliding block, first sliding block and the second sliding block have the shapes and sizes to match with T shape sliding slots, first sliding block
On be connected with the first fixture, be connected with electric pushrod on second sliding block, can make by the sliding slot and sliding block that match
One fixture and electric pushrod are moved up and down along support plate, to test corn stem different parts.
Preferably, the cross section of the push plate is semicircle, and the size of the push plate and the diameter of corn stem match,
It prevents corn stem from swinging during force, influences test result.
Preferably, controller is additionally provided with above the support plate, the controller is electrically connected with electric pushrod, beautiful in test
When the bending strength and elasticity modulus of rice stalk, electric pushrod elongation applies corn stem the active force of horizontal direction, can be with
Electric pushrod is controlled by controller and extends identical distance, to compare the bending strength and elasticity of the corn stem of different cultivars
Modulus, to select the strong kind of power resistant to lodging.
The corn stem force tester resistant to lodging of the utility model has the following advantages compared with prior art：1, originally
Utility model characterizes the energy resistant to lodging of corn stem by testing two parameters of bending strength and elasticity modulus of corn stem
Power, test result are more accurate；2, horizontal applied force is applied to corn by electric pushrod, save manpower and be easily achieved automatic
Change control；3, the one end of electric pushrod far from support plate is connected with push plate, and push plate is equipped with pressure sensor, is equipped with above support plate aobvious
Show that device, data acquisition are more convenient intuitive.
Description of the drawings
Fig. 1 is the left view of corn stem force tester resistant to lodging in the utility model embodiment；
Fig. 2 is the front view of Fig. 1.
Specific implementation mode
Below in conjunction with the accompanying drawings, a specific implementation mode of the utility model is described in detail, it is to be understood that this
The protection domain of utility model is not restricted by specific implementation.
As shown in Figs. 1-2, a kind of corn stem force tester resistant to lodging, including support plate 1 and pedestal 2, the bottom of the support plate 1
End is fixed in the upper surface of pedestal 2；The surface of the support plate 1 is provided with T shapes sliding slot 101 vertically, is slided on the T shapes sliding slot 101
It is connected with the first sliding block 102 and the second sliding block 103, first sliding block 102 is located at the top of the second sliding block 103, and described first
Sliding block 102 and the second sliding block 103 are I-shaped, and the first fixture 104, second sliding block are connected on first sliding block 102
It is connected with electric pushrod 105 on 103, the first fixture 104 and electric pushrod 105 can be made by the sliding slot and sliding block that match
It is moved up and down along support plate 1, to test corn stem different parts.
The one end of the electric pushrod 105 far from support plate 1 is connected with push plate 106, and the cross section of the push plate 106 is semicircle
Shape, the size of the push plate 106 and the diameter of corn stem match, and prevent corn stem from swinging during force,
Test result is influenced, the push plate 106 is equipped with pressure sensor close to the surface of corn stem, and the top of the support plate 1 is set
There are display 107, the display 107 to be electrically connected with pressure sensor, the top of the support plate 1 is additionally provided with controller, institute
Controller is stated to be electrically connected with electric pushrod 105, when testing the bending strength and elasticity modulus of corn stem, electric pushrod
105 elongation to corn stem apply horizontal direction active force, can by controller control electric pushrod extend it is identical away from
From to compare the bending strength and elasticity modulus of the corn stem of different cultivars, to select the strong kind of power resistant to lodging；Institute
The bottom for stating support plate 1 is also connected with the second fixture 108.
Bending strength test philosophy：The first fixture 104 is slided to suitable position, by the first fixture 104 to corn stem
It is fixed, the bottom of corn stem is fixed by the second fixture 108, sliding electric pushrod 105 makes to locating
Push plate 106 encases corn stem, then opens electric pushrod 105, it is made to apply horizontal applied force, electric pushrod to corn stem
Stop after 105 elongation certain distances, sending test data to display 107 by pressure sensor shows, record data are
It can.
Elasticity modulus test philosophy：Electric pushrod 105 is slided to locating, so that push plate 106 is encased corn stem, then
Electric pushrod 105 to be opened, it is made to apply horizontal applied force to corn stem, electric pushrod 105 stops after extending certain distance,
Test data is sent to display 107 by pressure sensor to show, records data.Pass through bending strength and springform
The power resistant to lodging of two data characterization corn stems is measured, it is as a result more acurrate.
Disclosed above is only a specific embodiment of the utility model, and still, the utility model embodiment is not office
It is limited to this, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (4)
1. a kind of corn stem force tester resistant to lodging, which is characterized in that including support plate (1) and pedestal (2), the support plate (1)
Bottom end be fixed on pedestal (2)；
The surface of the support plate (1) slidably connects the first fixture (104) and electric pushrod (105), first fixture (104)
It being moved up and down along support plate (1) with electric pushrod (105), first fixture (104) is located at the top of electric pushrod (105),
The one end of the electric pushrod (105) far from support plate (1) is connected with push plate (106), and the push plate (106) is equipped with pressure sensing
The top of device, the support plate (1) is equipped with display (107), and the display (107) is electrically connected with pressure sensor, described
The bottom of support plate (1) is also connected with the second fixture (108).
2. corn stem force tester resistant to lodging according to claim 1, which is characterized in that the surface of the support plate (1)
It is provided with T shapes sliding slot (101) vertically, the first sliding block (102) and the second sliding block are slidably connected on the T shapes sliding slot (101)
(103), first sliding block (102) and the second sliding block (103) have a size to match with T shapes sliding slot (101), and described first
It is connected with the first fixture (104) on sliding block (102), electric pushrod (105) is connected on second sliding block (103).
3. corn stem force tester resistant to lodging according to claim 1, which is characterized in that the cross of the push plate (106)
Section is semicircle, and the size of the push plate (106) and the diameter of corn stem match.
4. corn stem force tester resistant to lodging according to claim 1, which is characterized in that above the support plate (1) also
Equipped with controller, the controller is electrically connected with electric pushrod (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153705.0U CN207764058U (en) | 2018-01-29 | 2018-01-29 | A kind of corn stem force tester resistant to lodging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153705.0U CN207764058U (en) | 2018-01-29 | 2018-01-29 | A kind of corn stem force tester resistant to lodging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764058U true CN207764058U (en) | 2018-08-24 |
Family
ID=63182381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820153705.0U Expired - Fee Related CN207764058U (en) | 2018-01-29 | 2018-01-29 | A kind of corn stem force tester resistant to lodging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207764058U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760503A (en) * | 2018-07-19 | 2018-11-06 | 黑龙江省农业科学院佳木斯水稻研究所 | A kind of Culm of Rice measuring lodging-resistant strength device |
| 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 |
| CN114166654A (en) * | 2021-11-09 | 2022-03-11 | 中国科学院东北地理与农业生态研究所 | Crop lodging resistance performance measuring equipment, system and method |
-
2018
- 2018-01-29 CN CN201820153705.0U patent/CN207764058U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760503A (en) * | 2018-07-19 | 2018-11-06 | 黑龙江省农业科学院佳木斯水稻研究所 | A kind of Culm of Rice measuring lodging-resistant strength device |
| CN108760503B (en) * | 2018-07-19 | 2020-11-06 | 黑龙江省农业科学院佳木斯水稻研究所 | Rice stem lodging resistance strength measuring device |
| 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 |
| CN114166654A (en) * | 2021-11-09 | 2022-03-11 | 中国科学院东北地理与农业生态研究所 | Crop lodging resistance performance measuring equipment, system and method |
| CN114166654B (en) * | 2021-11-09 | 2023-08-22 | 中国科学院东北地理与农业生态研究所 | Crop lodging resistance measuring equipment, system and method |
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Legal Events
| 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: 20180824 Termination date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |