CN111351719A - Corn stalk bending angle and strength measurement device of portable centre gripping - Google Patents
Corn stalk bending angle and strength measurement device of portable centre gripping Download PDFInfo
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- CN111351719A CN111351719A CN202010225567.4A CN202010225567A CN111351719A CN 111351719 A CN111351719 A CN 111351719A CN 202010225567 A CN202010225567 A CN 202010225567A CN 111351719 A CN111351719 A CN 111351719A
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- wall
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- measuring
- inclination
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- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- 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
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- 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
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- 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
- G01N3/06—Special adaptations of indicating or recording means
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- 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
- G01N2203/0023—Bending
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- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a portable device for measuring the bending angle and strength of a clamped corn stalk, which comprises a bracket, a shaft and a static part, wherein the inner wall of the right side of the bracket is provided with a front force arm of a sensor, the right side of the front force arm of the sensor is provided with a tension and pressure sensor, the right side of the tension and pressure sensor is connected with a rear force arm of the sensor, and the outer wall of the tension and pressure sensor is provided with a sensor inclination angle circuit board. This portable centre gripping maize stem stalk bend angle and intensity measurement device is provided with static part, static part right side and the laminating of inclination formula stem stalk appearance left side mutually, and static part passes through and constitutes detachable construction between set screw and the inclination formula stem stalk appearance, static part right side and the laminating of inclination formula stem stalk appearance left side mutually, let inclination formula stem stalk appearance provide the support for static part, make when the centre gripping, static part does not have and rocks, accessible set screw and inclination formula stem stalk appearance dismantle the separation simultaneously, and then with static part and the separation adjustment of inclination formula stem stalk appearance.
Description
Technical Field
The invention relates to the field of crop genetic breeding innovation in crop science, in particular to a method and an instrument for rapidly determining the lodging strength of corn stalks by distinguishing on site.
Background
Corn lodging is the result of the combined action of corn seed genetic factors and external environmental conditions, and the lodging plants can not carry out normal photosynthesis and even cause leaf decay. Corn lodging has a great influence on the yield, the yield is reduced by 10-20% in light lodging, 30-40% in moderate lodging and more than 50% in severe lodging. Therefore, a plurality of scholars at home and abroad are dedicated to the innovative research on the quality of the corn seeds and breed varieties with high lodging resistance strength. In the research of corn genetic breeding, scientists use parents as inbred line varieties, so that if the lodging resistance strength of corn stalks is not measured, a plurality of varieties with general expression can be selected as next parents, the speed of cultivating corn varieties with high lodging resistance strength is slower, and therefore, a small number of excellent varieties with high lodging resistance strength can be selected as next parents by a rapid corn stalk lodging resistance strength measuring instrument on the spot, and the speed of corn seed quality innovation is greatly accelerated.
The corn stalk bending angle and strength measuring device in the market is inconvenient to the centre gripping of corn stalk in use, or centre gripping complex operation, and in use can not in time change the probe simultaneously, can't measure the stem stalk of different diameters, for this reason, we provide a portable centre gripping corn stalk bending angle and strength measuring device.
Disclosure of Invention
The invention aims to provide a portable device for measuring the bending angle and strength of a clamped corn stalk, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a portable device for measuring the bending angle and strength of corn stalks clamped by a clamp comprises a support, a shaft and a static part, wherein the inner wall of the right side of the support is provided with a front sensor force arm, the right side of the front sensor force arm is provided with a tension pressure sensor, the right side of the tension pressure sensor is connected with a rear sensor force arm, the outer wall of the tension pressure sensor is provided with a sensor inclination angle circuit board, the two sides of the outer wall of the support are embedded with first holes, the middle part of the outer wall of the support is provided with a second hole, the shaft is arranged on the outer wall of the support, the outer wall of the support is connected with an inclination type stalk instrument, the inner wall of the left side of the inclination type stalk instrument is connected with a fixing screw, the static part is arranged on the left side of the fixing screw, the inner wall of the left side below of the static part is connected with a guide shaft, the inner wall of the movable component is provided with a silicone rubber pad, the outer wall below the movable component is provided with a handle, and the outer wall of the static component is provided with an eccentric wheel locking rod.
Preferably, the size of the inner wall of the bracket is matched with the size of the outer wall of the front force arm of the sensor, and the front force arm of the sensor is attached to the pulling and pressing sensor.
Preferably, the inclination type stalk instrument comprises an upper shell, a lower shell, a clamping mechanism mounting hole, a measuring circuit and a touch keyboard, wherein the lower shell is arranged below the upper shell, the clamping mechanism mounting hole is arranged on the inner wall of the lower shell, the measuring mechanism mounting hole is arranged in the middle of the inner wall of the lower shell, the inner wall of the upper shell is connected with the measuring circuit, and the touch keyboard is arranged on the inner wall of the upper shell.
Preferably, a sealing structure is formed between the upper shell and the lower shell, and the upper shell and the lower shell are fixedly connected.
Preferably, the right side of the static part is attached to the left side of the inclination type stalk instrument, and the static part forms a detachable structure with the inclination type stalk instrument through a fixing screw.
Preferably, the upper part of the outer wall of the movable part is of a radian structure, and the movable part is attached to the silicone rubber pad.
Preferably, the spring is of an elastic structure, and the movable part is in a telescopic structure with the static part through the spring.
Compared with the prior art, the invention has the beneficial effects that:
the portable device for measuring the bending angle and strength of the corn stalks clamped is provided with a static part, the right side of the static part is attached to the left side of an inclination type stalk instrument, the inclination type stalk instrument provides support for the static part, the static part does not shake during clamping, meanwhile, the static part and the inclination type stalk instrument can be detached and separated through a fixing screw, the static part and the inclination type stalk instrument are further separated and adjusted, the service time of parts is indirectly improved, a spring is arranged on the outer wall of a guide shaft, a movable part is arranged on the outer wall of the left side of the guide shaft, the spring is of an elastic structure, the movable part is compressed downwards to the inner wall under pressure, the movable part is compressed downwards to the inner wall through a telescopic structure between the spring and the static part, a user can hold a handle below the movable part and the static part to press the movable part downwards to the inner wall through the spring to compress the spring, and further the distance between the movable part and the static part, thereby the upper part is clamped and fixed, and the corn stalks are convenient to be clamped;
the device still can grip the stem stalk of different diameters, and movable part outer wall top is the radian structure, and the movable part outer wall is the radian structure, lets the stem stalk of different diameters can be gripped with static part, and then can measure the stem stalk of different diameters to laminating mutually between movable part and the silicone rubber pad, can provide the buffering of gripping the in-process at the silicone rubber pad of movable part inner wall, prevent because the too big rupture that causes the maize stem stalk of dynamics.
Drawings
FIG. 1 is a schematic view of a partial pull pressure sensor according to the present invention;
FIG. 2 is a schematic side view of a partial pull/pressure sensor according to the present invention;
FIG. 3 is a schematic top view of the pull/pressure sensor of the present invention;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic side view of the partially inclined stalk instrument of the present invention;
FIG. 6 is a schematic top view of the present invention.
In the figure: 1. a support; 2. a sensor front moment arm; 3. a pull pressure sensor; 4. a rear force arm of the sensor; 5. a sensor tilt angle circuit board; 6. a first aperture; 7. a second aperture; 8. has a shaft; 9. an inclination type stalk instrument; 901. an upper housing; 902. A lower housing; 903. a fixture mounting hole; 904. a measuring mechanism mounting hole; 905. a measurement circuit; 906. a touch keyboard; 10. a set screw; 11. a stationary member; 12. a silicone rubber pad; 13. a movable member; 14. a guide shaft; 15. a spring; 16. a handle; 17. eccentric wheel lock lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a portable device for measuring the bending angle and strength of a clamped corn stalk comprises a support 1, a shaft 8 and a static part 11, wherein a sensor front force arm 2 is arranged on the inner wall of the right side of the support 1, the size of the inner wall of the support 1 is matched with the size of the outer wall of the sensor front force arm 2, the sensor front force arm 2 is matched with a tension pressure sensor 3, the size of the inner wall of the support 1 is matched with the size of the outer wall of the sensor front force arm 2, so that the support 1 can support the rear side more firmly and provides support for the rear side, and the sensor front force arm 2 is matched with the tension pressure sensor 3, so that no redundant gap exists between the sensor front force arm 2 and the tension pressure sensor 3, and the device can provide the maximum supporting force during;
a tension and pressure sensor 3 is arranged on the right side of a front force arm 2 of the sensor, a rear force arm 4 of the sensor is connected on the right side of the tension and pressure sensor 3, a sensor inclination angle circuit board 5 is arranged on the outer wall of the tension and pressure sensor 3, first holes 6 are embedded in two sides of the outer wall of a support 1, a second hole 7 is arranged in the middle of the outer wall of the support 1, a shaft 8 is arranged on the outer wall of the support 1, an inclination type stem stalk instrument 9 is connected on the outer wall of the support 1, the inclination type stem stalk instrument 9 comprises an upper shell 901, a lower shell 902, a clamping mechanism mounting hole 903, a measuring mechanism mounting hole 904, a measuring circuit 905 and a touch keyboard 906, a lower shell 902 is arranged below the upper shell 901, a clamping mechanism mounting hole 903 is arranged on the lower inner wall of the lower shell 902, a measuring mechanism mounting hole 904 is arranged in the middle of the inner wall of the, the inner wall of the upper shell 901 is provided with a touch keyboard 906, the inclination type stalk instrument 9 is sealed by taking the upper shell 901 and the lower shell 902 as outer wall structures, so that an internal circuit is prevented from being damaged, meanwhile, measured data can be directly observed through a measuring circuit 905, and measurement can also be controlled through the touch keyboard 906, a sealing structure is formed between the upper shell 901 and the lower shell 902, the upper shell 901 and the lower shell 902 are fixedly connected, the upper shell 901 and the lower shell 902 form a sealing structure to enable internal components to be located in the sealing structure, so that the internal components are prevented from being damaged, the upper shell 901 and the lower shell 902 are fixed through screws, the disassembly is convenient, the internal components can be timely overhauled, and the practicability of the device is enhanced;
the left side inner wall of the inclination type stalk instrument 9 is connected with a fixing screw 10, a static part 11 is arranged on the left side of the fixing screw 10, the left side inner wall below the static part 11 is connected with a guide shaft 14, the right side of the static part 11 is attached to the left side of the inclination type stalk instrument 9, the static part 11 forms a detachable structure with the inclination type stalk instrument 9 through the fixing screw 10, the right side of the static part 11 is attached to the left side of the inclination type stalk instrument 9, the inclination type stalk instrument 9 provides support for the static part 11, the static part 11 cannot shake during clamping, meanwhile, the static part 11 and the inclination type stalk instrument 9 can be detached and separated through the fixing screw 10, the static part 11 and the inclination type stalk instrument 9 are separated and adjusted, and the use time efficiency of parts is indirectly improved;
a spring 15 is arranged on the outer wall of the guide shaft 14, a movable part 13 is arranged on the outer wall of the left side of the guide shaft 14, the spring 15 is of an elastic structure, the movable part 13 is in a telescopic structure with the static part 11 through the spring 15, the elastic structure enables the movable part 13 to be compressed towards the inner wall under the compression, meanwhile, the telescopic structure enables a user to hold a handle 16 below the movable part 13 and the static part 11 through hands, the movable part 13 can be pressed towards the inner wall through the spring 15, the spring 15 is compressed, and the distance between the movable part 13 and the static part 11 is further reduced, so that the upper part is clamped and fixed;
the inner wall of the movable component 13 is provided with a silicone rubber pad 12, the outer wall of the lower part of the movable component 13 is provided with a handle 16, the upper part of the outer wall of the movable component 13 is of an arc structure, the movable component 13 is attached to the silicone rubber pad 12, the outer wall of the movable component 13 is of an arc structure, the movable component 13 and the static component 11 can hold stalks with different diameters tightly, the stalks with different diameters can be measured, the movable component 13 is attached to the silicone rubber pad 12, the silicone rubber pad 12 on the inner wall of the movable component 13 can provide buffering in the holding process, and the corn stalks are prevented from being broken due to overlarge force;
the outer wall of the stationary part 11 is provided with an eccentric wheel locking lever 17, and the eccentric wheel locking lever 17 is pressed down to tightly attach the movable part 13 and the sliding arm of the stationary part 11, so that the two parts cannot move relatively due to frictional resistance therebetween, thereby fixing the clamping device on the stem and allowing the user to release the left hand. After the measurement is finished, the user lifts the eccentric wheel locking rod 17, the friction force is released, and the movable part 13 is automatically separated from the static part 11 under the action of the spring 15.
The working principle is as follows: for this kind of portable corn stalk clamping bending angle and strength measuring device, firstly, the corn stalk is placed on the inner wall of the static part 11, the movable part 13 is forced by the hand gripping force by holding the handle 16 under the movable part 13 and the static part 11 with the hand, so that the distance between the arc surfaces of the movable part 13 and the static part 11 is reduced, and the spring 15 is compressed. The movable part 13 and the static part 11 clamp the corn stalks continuously by exerting force, the eccentric wheel locking rod 17 is pressed down, the movable part 13 and the static part 11 are locked, and the clamping mechanism is fixed on the corn stalks and cannot be loosened and slide. At this time, the measuring device was kept perpendicular to the corn stalk. The user releases the left hand and touches the measure key on the touch pad 906 to start the test. The user pulls the sensor rear arm of force 4 (can be with the help of handle, stay cord etc.) with the right side, the maize stalk inclines under the pulling force effect, inclination formula stalk appearance 9 still keeps perpendicular with the maize stalk, its inside inclination sensor measures the inclination of maize stalk, pull sensor inclination circuit board 5 on the pressure sensor 3 outer wall and measure the pulling force that the user applyed and the contained angle of horizontal direction, pull pressure sensor 3 and measure the pulling force that the user applyed, two inclination values and pulling force value are measured, are calculated and are shown on measuring circuit 905. After the measurement is finished, the user lifts the eccentric wheel locking rod 17, the friction force is released, and the movable part 13 is automatically separated from the static part 11 under the action of the spring 15.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a portable centre gripping maize stalk bend angle and intensity survey device, includes support (1), has axle (8) and static part (11), its characterized in that: a sensor front force arm (2) is arranged on the inner wall of the right side of the support (1), a tension and pressure sensor (3) is arranged on the right side of the sensor front force arm (2), a sensor rear force arm (4) is connected to the right side of the tension and pressure sensor (3), a sensor inclination angle circuit board (5) is arranged on the outer wall of the tension and pressure sensor (3), first holes (6) are embedded in the two sides of the outer wall of the support (1), a second hole (7) is arranged in the middle of the outer wall of the support (1), a shaft (8) is arranged on the outer wall of the support (1), an inclination angle type stalk instrument (9) is connected to the outer wall of the support (1), a fixing screw (10) is connected to the inner wall of the left side of the inclination angle type stalk instrument (9), a static component (11) is arranged on the left side of the fixing screw (10), and a guide shaft (14) is, the outer wall of the guide shaft (14) is provided with a spring (15), the outer wall of the left side of the guide shaft (14) is provided with a movable component (13), the inner wall of the movable component (13) is provided with a silicone rubber pad (12), the outer wall of the lower portion of the movable component (13) is provided with a handle (16), and the outer wall of the static component (11) is provided with an eccentric wheel locking rod (17).
2. The portable device for measuring the bending angle and strength of the corn stalks held by the holder according to claim 1, wherein: the size of the inner wall of the bracket (1) is matched with the size of the outer wall of the front force arm (2) of the sensor, and the front force arm (2) of the sensor is attached to the pulling and pressing sensor (3).
3. The portable device for measuring the bending angle and strength of the corn stalks held by the holder according to claim 1, wherein: the inclination type stalk instrument (9) comprises an upper shell (901), a lower shell (902), a clamping mechanism mounting hole (903), a measuring mechanism mounting hole (904), a measuring circuit (905) and a touch keyboard (906), wherein a lower shell (902) is arranged below the upper shell (901), the clamping mechanism mounting hole (903) is arranged on the inner wall below the lower shell (902), the measuring mechanism mounting hole (904) is arranged in the middle of the inner wall of the lower shell (902), the measuring circuit (905) is connected to the inner wall of the upper shell (901), and the touch keyboard (906) is arranged on the inner wall of the upper shell (901).
4. The portable device for measuring the bending angle and strength of the corn stalks held by the holder according to claim 3, wherein: a sealing structure is formed between the upper shell (901) and the lower shell (902), and the upper shell (901) and the lower shell (902) are fixedly connected.
5. The portable device for measuring the bending angle and strength of the corn stalks held by the holder according to claim 1, wherein: the right side of the static part (11) is attached to the left side of the inclination type stalk instrument (9), and the static part (11) forms a detachable structure with the inclination type stalk instrument (9) through a fixing screw (10).
6. The portable device for measuring the bending angle and strength of the corn stalks held by the holder according to claim 1, wherein: the upper part of the outer wall of the movable component (13) is of a radian structure, and the movable component (13) is attached to the silicone rubber pad (12).
7. The portable device for measuring the bending angle and strength of the corn stalks held by the holder according to claim 1, wherein: the spring (15) is of an elastic structure, and the movable part (13) is of a telescopic structure with the static part (11) through the spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225567.4A CN111351719A (en) | 2020-03-26 | 2020-03-26 | Corn stalk bending angle and strength measurement device of portable centre gripping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225567.4A CN111351719A (en) | 2020-03-26 | 2020-03-26 | Corn stalk bending angle and strength measurement device of portable centre gripping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111351719A true CN111351719A (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010225567.4A Pending CN111351719A (en) | 2020-03-26 | 2020-03-26 | Corn stalk bending angle and strength measurement device of portable centre gripping |
Country Status (1)
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| CN (1) | CN111351719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114428058A (en) * | 2022-01-29 | 2022-05-03 | 中国农业大学 | Corn moisture content detector |
-
2020
- 2020-03-26 CN CN202010225567.4A patent/CN111351719A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114428058A (en) * | 2022-01-29 | 2022-05-03 | 中国农业大学 | Corn moisture content detector |
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Application publication date: 20200630 |