CN108318418B - Corn cob grain connecting force measuring device - Google Patents
Corn cob grain connecting force measuring device Download PDFInfo
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- CN108318418B CN108318418B CN201810316429.XA CN201810316429A CN108318418B CN 108318418 B CN108318418 B CN 108318418B CN 201810316429 A CN201810316429 A CN 201810316429A CN 108318418 B CN108318418 B CN 108318418B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a corn cob grain connecting force measuring device, which comprises a tension measurer, a base, a horizontal fixing seat, a vertical fixing seat, a lifting shaft, a translation shaft, a vertical pulling piece and a horizontal pulling piece, wherein buckles are arranged on the horizontal fixing seat and the vertical fixing seat; the left end of the base is fixedly provided with a vertical fixing seat, the right side of the vertical fixing seat is provided with a horizontal fixing seat, the translation shaft is provided with a translation seat, the lifting shaft is arranged on the translation seat, the lifting shaft is provided with a lifting block, and the tension measurer is arranged on the lifting block; and the tension measurer is provided with a laser lamp which is positioned on the same horizontal plane with the hook of the tension measurer. The invention has simple structure and convenient operation, and can provide accurate measurement data.
Description
Technical Field
The invention relates to a corn cob grain connection force measuring device.
Background
When corn is harvested, corn kernels are required to be separated from the corncob of the corn ear, the corn ear threshing gradually moves to mechanization from hand along with the continuous improvement of the mechanization degree, and when threshing machinery is designed, the threshing machinery is required to be prevented from being too large in strength according to the connection force parameters of the corncob and the corn kernels, so that the corn kernels are high in breakage rate and small in strength, and threshing is not clean.
The existing mode for measuring the corn cob grain connecting force is to connect a rope by adopting a tension measurer, and tie the other end of the rope at the bottom of corn grains. This approach has the following problems: 1. during the lashing process, the connection between the kernel and the shaft can be damaged, affecting the measurement data. 2. The thinner rope can cut the connecting part between the corn kernels and the shaft when being pulled, and the measurement data is affected. 3. Because the shaft and the pull measurer are held by hands, the pull angles of the pull rope and the corn kernels are different, and the measured data deviation is larger.
Therefore, it is necessary to design a standard corn cob grain connection force measuring device to provide accurate data parameter support for the design of threshing machines.
Disclosure of Invention
Aiming at the defects in the prior art, the corn cob grain connecting force measuring device provided by the invention is simple in structure, convenient to operate and capable of providing accurate measurement data.
The technical scheme adopted for solving the technical problems is as follows:
the corn cob grain connecting force measuring device comprises a tension measurer, and further comprises a base, a horizontal fixing seat, a vertical fixing seat, a lifting shaft, a translation shaft, a vertical pulling piece and a horizontal pulling piece, wherein buckles are arranged on the horizontal fixing seat and the vertical fixing seat;
the left end of the base is fixedly provided with a vertical fixing seat, the right side of the vertical fixing seat is provided with a horizontal fixing seat, the translation shaft is provided with a translation seat, the lifting shaft is arranged on the translation seat, the lifting shaft is provided with a lifting block, and the tension measurer is arranged on the lifting block;
the vertical pulling piece comprises a rope belt I and a rope belt II, wherein the rope belt I and the rope belt II comprise rope bodies, hanging rings and locking rings; the rope belt I passes through the locking ring of the rope belt II, and after the rope belt II passes through the locking ring of the rope belt I, the rope belt I and the rope belt II form a lock catch for fixing corn kernels; the hanging ring is connected with the hook of the tension measurer;
the horizontal pulling piece comprises a hook body, the front end of the hook body is a U-shaped hook, and the inner width of the U-shaped hook is smaller than the width of corn kernels and larger than the thickness of the corn kernels; a hanging ring connected with the tension measurer is arranged at the tail end of the hook body;
and the tension measurer is provided with a laser lamp which is positioned on the same horizontal plane with the hook of the tension measurer.
Further, the translation shaft comprises a screw rod, a nut and a driving motor, the output end of the driving motor is connected with the screw rod, and the translation seat is connected with the nut; the screw rod is arranged in the base, and the driving motor is provided with a forward rotation button and a reverse rotation button.
Further, the lifting shaft comprises a gear, a rack, a screwing handle, a gear seat and an upright post, wherein the screwing handle and the gear are arranged on the gear seat, and the screwing handle is connected with the gear; the gear seat is provided with a dovetail groove, the upright post is provided with a dovetail, and the gear seat is arranged on the upright post in a matched manner through the dovetail groove and the dovetail; the rack is arranged on the dovetail, and the gear is meshed with the rack.
Furthermore, the upright post is provided with scales.
Furthermore, pull heads are arranged on the locking rings of the rope belt I and the rope belt II.
The beneficial effects of the invention are as follows: the corn cob measuring device is small in design and convenient to operate, and can be used for fixing corn cob horizontally and vertically through the horizontal fixing seat and the vertical fixing seat, so that horizontal pulling force and vertical pulling force can be conveniently measured.
The combination of the rope belt I and the rope belt II of the vertical pulling piece can be flexibly sleeved on the corn kernels, and the two rope belts form a lock catch to ensure that the corn kernels are uniformly stressed in the pulling process, so that the measurement accuracy is ensured when the vertical pulling force is measured. The design of the lifting head facilitates the tightening and the unlocking of the lock catch.
The internal width of the U-shaped hook of the horizontal pulling piece is smaller than the width of the corn kernels and larger than the thickness of the corn kernels, the corn kernels are sleeved in from the thickness direction of the corn kernels when the horizontal pulling piece is used, and the corn kernels are pulled after rotating by 90 degrees, so that the stability of the corn kernels during pulling is guaranteed.
The laser lamp can enable operators to accurately find the same horizontal position between the tension measurer and the corn kernels, and measurement accuracy is guaranteed. Moreover, set up the scale on the stand, through measuring the distance of kernel of corn to the pull caliber, read out from kernel of corn horizontal position to the height of pull caliber again, can obtain the pulling force angle, can measure the pulling force on different angles as required.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the horizontal pull member of the present invention;
FIG. 4 is a schematic view of a vertical pull member according to the present invention;
FIG. 5 is a schematic diagram of the present invention for measuring vertical tension;
FIG. 6 is a schematic diagram of the horizontal tension measurement of the present invention;
FIG. 7 is a schematic view of the horizontal pull member of the present invention just sleeved into the kernel;
FIG. 8 is a schematic view of the horizontal pull member of the present invention rotated 90 ° after being inserted into the corn kernels;
in the drawing, a tension measurer 1, a hook 11, a laser lamp 12, a laser lamp switch 13, a base 2, a horizontal fixing seat 3, a buckle 31, a vertical fixing seat 4, a buckle 41, a lifting shaft 5, a rack 55, a screwing handle 52, a gear seat 53, a column 54, a dovetail 541, a scale 542, a translation shaft 6, a translation seat 61, a screw rod 62, a driving motor 63, a forward rotation button 631, a reverse rotation button 632, a vertical pulling member 7, rope bodies (71, 71 '), hanging rings (72, 72'), locking rings (73, 73 '), lifting heads (731, 731'), a horizontal pulling member 8, a hook body 81, a hanging ring 82, a corn shaft 9 and corn kernels 10.
Detailed Description
For a better understanding of the present invention, embodiments of the present invention are explained in detail below with reference to the drawings.
As shown in fig. 1 to 8, the invention comprises a tension measurer 1, a base 2, a horizontal fixing seat 3, a vertical fixing seat 4, a lifting shaft 5, a translation shaft 6, a vertical pulling piece 7 and a horizontal pulling piece 8, wherein a buckle 31 and a buckle 41 are respectively arranged on the horizontal fixing seat 3 and the vertical fixing seat 4. One ends of the buckle 31 and the buckle 41 are hinged, the other ends of the buckle 31 and the buckle 41 are through holes, threaded holes are formed in the horizontal fixing seat 3 and the vertical fixing seat 4, and the other ends of the buckle 31 and the buckle 41 are fixedly connected to the horizontal fixing seat 3 and the vertical fixing seat 4 through bolts.
The left end of the base 2 is fixedly provided with a vertical fixing seat 4, the right side of the vertical fixing seat 4 is provided with a horizontal fixing seat 3, and grooves for placing corn cobs are formed in the horizontal fixing seat 3 and the vertical fixing seat 4.
The translation shaft 6 is provided with a translation seat 61, and the translation seat 61 can move left and right. The lifting shaft 5 is arranged on the translation seat 61, a lifting block is arranged on the lifting shaft 5, the tension measurer 1 is arranged on the lifting block, and the height of the tension measurer 1 can be adjusted by adjusting the height of the lifting block.
The horizontal fixing seat 3, the vertical fixing seat 4, the lifting shaft 5, the translation shaft 6 and the tension measurer 1 are positioned on the same vertical plane.
As shown in fig. 4, the vertical pulling member 7 includes a string i and a string ii each including a string body (71, 71 ') and a hanging ring (72, 72') and a locking ring (73, 73 ') provided at both ends of the string body (71, 71'), respectively. The rope belt I passes through the locking ring 73' of the rope belt II, and after the rope belt II passes through the locking ring 73 of the rope belt I, the rope belt I and the rope belt II form a lock catch for fixing corn kernels; the two suspension loops (72, 72') are connected to the hooks 11 of the tension measuring device 1. In order to facilitate the tensioning operation, the locking rings (73, 73 ') of the rope belt I and the rope belt II are respectively provided with a lifting head (731, 731 '), and the lifting heads (731, 731 ') can adopt soft ropes.
As shown in fig. 3, the horizontal pulling member 8 comprises a hook body 81, wherein the front end of the hook body is a U-shaped hook, and the inner width of the U-shaped hook is smaller than the width of the corn kernels and larger than the thickness of the corn kernels; a hanging ring 82 connected to the tension measuring instrument 1 is provided at the end of the hook 81.
The tension measurer 1 is provided with a laser lamp 12 positioned on the same horizontal plane as the hook 11 of the tension measurer 1, and a laser lamp switch 13 is arranged on one side of the tension measurer 1.
As a preferred embodiment of the translation shaft 6 according to the present invention, as shown in fig. 1 and 2, the translation shaft 6 includes a screw rod 62, a nut and a driving motor 63, wherein an output end of the driving motor 63 is connected to the screw rod 62, the nut is connected to the translation seat 61, and the nut and the translation seat are integrally designed, i.e., the translation seat 61 is a nut of the screw rod 62, and only the shape of the nut is changed to be square as shown in fig. 1 and 2. A groove is transversely arranged on the base 2, the screw rod 62 is positioned in the groove of the base 2, and the driving motor 63 is provided with a forward rotation button 631 and a reverse rotation button 632.
As shown in fig. 2, the lifting shaft 5 includes a gear, a rack 55, a screwing handle 52, a gear seat 53 and an upright post 54, the screwing handle 52 and the gear are disposed on the gear seat 53, the screwing handle 52 is connected with the gear, and the screwing handle 52 drives the gear to rotate. The gear seat 53 is provided with a dovetail groove, the upright post 54 is provided with a dovetail 541, and the gear seat 53 is arranged on the upright post 54 in a matched manner through the dovetail groove and the dovetail 531. The rack 55 is disposed on the dovetail 541, and the gear is engaged with the rack 55. The gear seat 53 is a single component with the lifting block.
In order to be able to calculate the angle of the pulling force, a scale 542 is provided on the upright 54. Of course, graduation marks may be provided on the base 2, and the moving distance of the translation shaft 6 may be read.
The application method of the invention is as follows:
vertical tension was measured: as shown in fig. 5, in the usage state diagram when measuring vertical tension, the corn cob 9 is fixed on the vertical fixing seat 4, the vertical pulling piece 7 is used for connecting the corn grain 10 with the tension measurer, the laser lamp 12 is turned on, the position of the lifting block 51 is adjusted, the laser lamp is irradiated on the corn grain 10 to indicate that the tension measurer and the corn grain 10 are on the same horizontal line, then the forward rotation button 631 is pressed, the translation seat 61 moves rightwards, and the corn grain 10 is pulled until the corn grain 10 is pulled down, and at the moment, the maximum tension value is recorded and displayed by the tension measurer.
Measuring horizontal tension: as shown in fig. 6, the corn cob 9 is fixed on the horizontal fixing seat 3, the laser lamp 12 is turned on, the position of the lifting block 51 is adjusted, the laser lamp irradiates the corn kernel 10 to indicate that the tension measurer and the corn kernel 10 are on the same horizontal line, the horizontal pulling member 8 is used for connecting the corn kernel 10 and the tension measurer 1 (the hanging ring 82 of the horizontal pulling member 8 can be connected with the hanging hook 11 of the tension measurer 1 through a rope), then the forward rotation button 631 is pressed, the translation seat 61 moves rightwards and pulls until the corn kernel 10 is pulled down, and at this time, the tension measurer records and displays the maximum tension value. When the corn kernel 10 is hooked by the U-shaped hook of the horizontal pulling piece 8, the operation steps are shown in fig. 7, the U-shaped hook is sleeved in the thickness direction of the corn kernel 10, and then the U-shaped hook is rotated by 90 degrees to reach the position shown in fig. 8. The kernel 10 shown in fig. 8 is the width of the kernel 10, and fig. 7 is the thickness of the kernel 10.
If the pulling force is required to be measured according to a certain angle, the included angle between the vertical pulling member 7 or the horizontal pulling member 8 and the horizontal plane can be calculated by reading the vertical moving distance of the lifting block 51 and the distance between the corn kernels and the hook 11 of the pulling force measurer 1.
While the foregoing description of the embodiments of the present invention has been presented with reference to the drawings, it is not intended to limit the scope of the invention, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present invention.
Claims (3)
1. The utility model provides a maize ear of grain axle grain connecting force measuring device, includes the pulling force caliber, its characterized in that:
the device also comprises a base, a horizontal fixing seat, a vertical fixing seat, a lifting shaft, a translation shaft, a vertical pulling piece and a horizontal pulling piece, wherein buckles are arranged on the horizontal fixing seat and the vertical fixing seat;
the left end of the base is fixedly provided with a vertical fixing seat, the right side of the vertical fixing seat is provided with a horizontal fixing seat, the translation shaft is provided with a translation seat, the lifting shaft is arranged on the translation seat, the lifting shaft is provided with a lifting block, and the tension measurer is arranged on the lifting block;
the vertical pulling piece comprises a rope belt I and a rope belt II, wherein the rope belt I and the rope belt II comprise rope bodies, hanging rings and locking rings; the rope belt I passes through the locking ring of the rope belt II, and after the rope belt II passes through the locking ring of the rope belt I, the rope belt I and the rope belt II form a lock catch for fixing corn kernels; the hanging ring is connected with the hook of the tension measurer;
the horizontal pulling piece comprises a hook body, the front end of the hook body is a U-shaped hook, and the inner width of the U-shaped hook is smaller than the width of corn kernels and larger than the thickness of the corn kernels; a hanging ring connected with the tension measurer is arranged at the tail end of the hook body;
a laser lamp which is positioned on the same horizontal plane with the hook of the tension measurer is arranged on the tension measurer;
the translation shaft comprises a screw rod, a nut and a driving motor, the output end of the driving motor is connected with the screw rod, and the translation seat is connected with the nut; the screw rod is arranged in the base, and the driving motor is provided with a forward rotation button and a reverse rotation button;
the lifting shaft comprises a gear, a rack, a screwing handle, a gear seat and an upright post, wherein the screwing handle and the gear are arranged on the gear seat, and the screwing handle is connected with the gear; the gear seat is provided with a dovetail groove, the upright post is provided with a dovetail, and the gear seat is arranged on the upright post in a matched manner through the dovetail groove and the dovetail; the rack is arranged on the dovetail, and the gear is meshed with the rack.
2. The corn cob grain connection force measuring apparatus of claim 1, wherein graduations are provided on said upright.
3. The corn cob grain connecting force measuring device of claim 1 wherein both the locking rings of the rope belt i and the rope belt ii are provided with pulling heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316429.XA CN108318418B (en) | 2018-04-10 | 2018-04-10 | Corn cob grain connecting force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316429.XA CN108318418B (en) | 2018-04-10 | 2018-04-10 | Corn cob grain connecting force measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108318418A CN108318418A (en) | 2018-07-24 |
| CN108318418B true CN108318418B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810316429.XA Active CN108318418B (en) | 2018-04-10 | 2018-04-10 | Corn cob grain connecting force measuring device |
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| CN (1) | CN108318418B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238959B (en) * | 2018-11-27 | 2021-02-12 | 潍坊学院 | Mechanical test equipment is peeled off to maize bract |
| CN113297749B (en) * | 2021-06-07 | 2023-02-03 | 吉林大学 | Corn threshing process simulation method based on elastic-plastic connection mechanical model |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822744A (en) * | 2014-02-27 | 2014-05-28 | 河南科技大学 | Device and method for measuring corn ear threshing force of bare hands |
| CN104848978A (en) * | 2015-04-28 | 2015-08-19 | 河南科技大学 | Device for measuring grain discrete force in corn ear threshing |
| CN107167420A (en) * | 2017-07-05 | 2017-09-15 | 河南农业大学 | A kind of corn ear material dynamic characteristic parameter testing device |
| CN208060364U (en) * | 2018-04-10 | 2018-11-06 | 青岛农业大学 | Corn ear axis grain connects force measuring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8215191B2 (en) * | 2008-08-14 | 2012-07-10 | Syngenta Participations Ag | Corn stalk strength measuring device |
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2018
- 2018-04-10 CN CN201810316429.XA patent/CN108318418B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822744A (en) * | 2014-02-27 | 2014-05-28 | 河南科技大学 | Device and method for measuring corn ear threshing force of bare hands |
| CN104848978A (en) * | 2015-04-28 | 2015-08-19 | 河南科技大学 | Device for measuring grain discrete force in corn ear threshing |
| CN107167420A (en) * | 2017-07-05 | 2017-09-15 | 河南农业大学 | A kind of corn ear material dynamic characteristic parameter testing device |
| CN208060364U (en) * | 2018-04-10 | 2018-11-06 | 青岛农业大学 | Corn ear axis grain connects force measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 玉米秸秆的力学特性测试研究;高梦祥等;农业机械学报;第第34卷卷(第第4期期);47-49,52页 * |
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| CN108318418A (en) | 2018-07-24 |
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