CN209858337U - Gap-adjustable crop seed shearing characteristic test fixture - Google Patents
Gap-adjustable crop seed shearing characteristic test fixture Download PDFInfo
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- CN209858337U CN209858337U CN201920620546.5U CN201920620546U CN209858337U CN 209858337 U CN209858337 U CN 209858337U CN 201920620546 U CN201920620546 U CN 201920620546U CN 209858337 U CN209858337 U CN 209858337U
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Abstract
The utility model discloses a crop seed grain shear characteristic test fixture with adjustable clearance, include base, seat wall, cardboard, transfer the clearance screw rod, rotatory petiole. The base is a cuboid flat plate, a gap with the width of 4-5mm is arranged in the long edge direction of the base towards the center, and one end of the base is provided with a group of symmetrical screw holes. The seat wall is composed of two cube blocks, the bottom of the seat wall is provided with a screw hole II corresponding to the screw hole I on the base, the center of the left side and the right side of one block is provided with a through hole, the periphery of the through hole on the outer side is provided with an angle dial, and the center of the inner side of the other block is provided with a blind hole. The cardboard comprises two cuboid blocks of symmetry, is equipped with the penetrating internal thread hole coaxial with the through-hole in one side center of cuboid, and internal thread dextrorotation, the internal thread levogyration of another piece. The middle of the gap adjusting screw rod is provided with a calibration line, two sides of the calibration line are provided with threads with opposite rotation directions, the outer side of each thread is provided with a screw rod, the extreme end of the right screw rod is provided with a radial screw hole and a rectangular groove, and a small rotating handle is arranged in each groove. The threads are symmetrically and reversely provided with left-handed threads and right-handed threads by taking the calibration line as a boundary.
Description
Technical Field
The utility model belongs to the technical field of grain shearing property test among the agricultural material, concretely relates to crop seed grain shearing property test fixture with adjustable clearance is applicable to the little seed grain crop seed grain shearing property test that uses cereals such as millet, buckwheat, oat, highland barley as the representative.
Background
The shearing characteristic parameters of the crop seeds are the design and parameter optimization reference basis of seeding machinery, harvesting machinery, agricultural product processing machinery, transportation machinery and storage equipment, and are also important indexes for evaluating the quality characteristics of the seeds. The crop seeds have the characteristics of small size and irregular shape, and when a shearing characteristic test is carried out, the problems of difficult support, different requirements on the cross section area of a shearing cutter, low supporting and positioning efficiency during shearing operation and the like exist, so that the development of the shearing test clamp which has a simple structure, is convenient to operate and adjustable in gap and is suitable for various crop seeds is urgently needed.
Disclosure of Invention
The problem to prior art exists, the utility model provides a crop seed grain shear characteristic test fixture with adjustable clearance, the device cost of manufacture is low, easy operation, the shear test of the little seed grain of crops that adaptable particle diameter is different.
The utility model discloses a realize through following technical scheme.
A clearance-adjustable crop seed shearing characteristic test fixture comprises a base, a seat wall, a clamping plate, a clearance-adjustable screw and a rotary small handle. The base is a cuboid flat plate, a gap with the width of 4-5mm is formed in the long edge direction of the base towards the center, and a group of symmetrical screw holes are formed in one end of the base. The seat wall is composed of two square blocks, the bottom of the seat wall is provided with a screw hole II corresponding to the screw hole I on the base, the center of the left side and the right side of one block is provided with a through hole, the periphery of the through hole on the outer side is provided with an angle dial, and the center of the inner side of the other block is provided with a blind hole. The clamping plate is composed of two symmetrical cuboid blocks, a through internal threaded hole coaxial with the through hole is formed in the center of one side of each cuboid, one internal thread rotates rightwards, and the other internal thread rotates leftwards. The middle of the gap adjusting screw rod is provided with a calibration line, two sides of the calibration line are provided with threads with opposite rotation directions, the outer side of each thread is provided with a screw rod, the extreme end of the right screw rod is provided with a radial screw hole and a rectangular groove, and a small rotating handle is arranged in each groove. The threads are symmetrically and reversely provided with left-handed threads and right-handed threads by taking the calibration line as a boundary.
The length of the base is 100-120mm, the width is 80-100mm, the thickness is 8-12mm, the width of the middle seam is 4-5mm, and the length is 70-80 mm.
The seat wall is 20-25mm long, 20-25mm wide, 20-25mm high, 6mm in diameter of the right block through hole, 6mm in diameter of the left block blind hole and 3-5mm in effective depth.
The clamping plate is made of an acrylic material, the length of the clamping plate is 80-100mm, the width of the clamping plate is 20-25mm, the thickness of the clamping plate is 20-25mm, and the nominal diameter of the internal thread hole is 8 mm.
The total length of the clearance adjusting screw rod is 79-99mm, the marking line is used as a boundary, the length of each of the left-handed thread and the right-handed thread is 23-28mm, the nominal diameter of the thread is 8mm, the thread pitch of the thread is 1.0mm, the diameter of the screw rod is 6mm, the length of the screw rod at the left end is 5-10mm, the length of the screw rod at the right end is 23-28mm, the depth of a groove at the rod end is 5mm, the diameter of a radial screw hole is 2mm, and the distance between a.
When the device is operated, the two acrylic clamping plates are screwed into the gap adjusting screw rods from two ends respectively, are attached to the middle calibration line, and are located at the position where the gap is 0. Then the gap adjusting screw rod is arranged and positioned in the two wall holes, the small rotating handle is fixed in a groove at the right end of the gap adjusting screw rod through a set screw, and the indicating angle is adjusted to be 0 position. And adjusting the calibration line to be consistent with the central line of the gap of the base, and screwing down and fixing the base and the base wall by using screws. And finally, locking the whole clamp on a test platform of the physical property analyzer, fixing the shearing knife on a mechanical arm of the physical property analyzer, and ensuring that a gap between the shearing knife edge and the base is on the same vertical plane. When the small handle is twisted clockwise, the two acrylic plates move away from each other, and the gap is increased; when the two acrylic plates rotate anticlockwise, the two acrylic plates move relatively close to each other, and the gap is reduced. The small crop seeds are placed above the gap between the two clamping plates, the gap is adjusted by rotating the small handle, and the positions of the two shearing surfaces of the seeds are detected.
Compared with the prior art, the utility model discloses a fixture design is stable, and the security is high, and clearance adjustment is convenient, easy dismounting the utility model discloses fixture's adjustment clearance scope 0 ~ 5mm, applicable in the test of various crops such as buckwheat, oat, highland barley small seed grain shearing property.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the base of the present invention.
Fig. 3 is a front view of the left block of the seat wall of the present invention.
Fig. 4 is a front view of the right block of the seat wall of the present invention.
Figure 5 is a front view of the clamping plate of the present invention.
Fig. 6 is a schematic structural view of the gap adjusting screw of the present invention.
In the figure: 1. the base, 2, seat wall, 3, cardboard, 4, transfer the clearance screw rod, 5, rotatory petiole, 6, base gap, 7, screw one, 8, screw two, 9, through-hole, 10, angle calibrated scale, 11, blind hole, 12, internal thread hole, 13, calibration line, 14, screw thread, 15, screw rod, 16, radial screw hole, 17, rectangle recess.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the clearance-adjustable clamp for testing shearing characteristics of crop seeds comprises a base 1, a seat wall 2, a clamping plate 3, a clearance-adjusting screw rod 4 and a rotary small handle 5.
As shown in fig. 1 and 2, the base 1 of the present invention is a rectangular plate, a gap 6 with a width of 4-5mm is arranged toward the center of the long edge, and a set of symmetrical screw holes 7 are arranged at one end. The length of the base 1 is 100mm, the width is 80-100mm, the thickness is 8-12mm, the width of the middle seam is 4-5mm, and the length is 70-80 mm.
As shown in fig. 1, 3 and 4, the seat wall 2 of the present invention is composed of two cube blocks, the bottom of the seat wall is provided with a second screw hole 8 corresponding to the first screw hole 7 on the base 1, a left and right side center of the one block is provided with a through hole 9, an angle dial 10 is arranged on the periphery of the outer side through hole 9, and a blind hole 11 is arranged on the inner side center of the other block. The seat wall 2 is 20-25mm long, 20-25mm wide and 20-25mm high, the diameter of the right block through hole 9 is 6mm, the diameter of the left block blind hole 11 is 6mm, and the effective depth is 3-5 mm.
As shown in fig. 1 and 5, the clamping plate 3 of the present invention is composed of two symmetrical cuboid blocks, and a transparent internal thread hole 12 coaxial with the through hole 9 is arranged at the center of one side of the cuboid, and the internal thread is right-handed and the internal thread is left-handed. The clamping plate 3 is made of acrylic materials, the length is 80-100mm, the width is 20-25mm, the thickness is 20-25mm, and the nominal diameter of the internal thread hole 12 is 8 mm.
As shown in fig. 1 and 6, the utility model discloses a transfer the centre of clearance screw rod 4 to be equipped with calibration line 13, calibration line 13 both sides are for revolving to opposite screw thread 14, and the screw thread 14 outside is screw rod 15, and right side screw rod 15 extreme end is equipped with radial screw hole 16 and rectangle recess 17, establishes rotatory petiole 5 in the recess 16, left-handed screw thread and right-handed screw thread are reversely established as the boundary symmetry to screw thread 14 using calibration line 13. The full length of the clearance adjusting screw rod 4 is 79-99mm, the marked line is used as a boundary, the lengths of the left-handed thread 14 and the right-handed thread 14 are 23-28mm respectively, the nominal diameter of the threads is 8mm, the thread pitch of the threads is 1.0mm, the diameter of the screw rod 15 is 6mm, the length of the left-handed screw rod 15 is 5-10mm, the length of the right-handed screw rod 15 is 23-28mm, the depth of a groove 17 at the rod end is 5mm, the diameter of a radial screw hole 16 is 2mm, and the distance between the central line.
Claims (5)
1. A clearance-adjustable crop seed shearing characteristic test fixture is characterized by comprising a base, a base wall, a clamping plate, a clearance adjusting screw and a rotary small handle; the base is a rectangular flat plate, a gap with the width of 4-5mm is formed in the long edge direction of the base towards the center, and a group of symmetrical screw holes are formed in one end of the base; the seat wall is composed of two cube blocks, the bottom of the seat wall is provided with a screw hole II corresponding to the screw hole I on the base, the center of the left side and the right side of one block is provided with a through hole, the periphery of the through hole at the outer side is provided with an angle dial, and the center of the inner side of the other block is provided with a blind hole; the clamping plate is composed of two symmetrical cuboid blocks, a through internal threaded hole coaxial with the through hole is formed in the center of one side of each cuboid, one internal thread rotates rightwards, and the other internal thread rotates leftwards; a calibration line is arranged in the middle of the gap adjusting screw rod, threads with opposite rotation directions are arranged on two sides of the calibration line, the screw rod is arranged outside the threads, a radial screw hole and a rectangular groove are arranged at the extreme end of the screw rod on the right side, and a small rotating handle is arranged in the groove; the threads are symmetrically and reversely provided with left-handed threads and right-handed threads by taking the calibration line as a boundary.
2. The gap-adjustable crop grain shearing property test fixture as claimed in claim 1, wherein the base has a length of 100-120mm, a width of 80-100mm, a thickness of 8-12mm, a center seam width of 4-5mm, and a length of 70-80 mm.
3. The clearance-adjustable crop grain shear characteristic test fixture as claimed in claim 1, wherein the seat wall has a length of 20-25mm, a width of 20-25mm, a height of 20-25mm, a diameter of 6mm for the right block through hole (9), a diameter of 6mm for the left block blind hole (11), and a depth of 3-5 mm.
4. The clearance-adjustable crop seed shearing characteristic test fixture as claimed in claim 1, wherein the fixture is 80-100mm long, 20-25mm wide, 20-25mm thick, and the nominal diameter of the internal threaded hole is 8 mm.
5. The clearance-adjustable crop seed shearing characteristic test fixture as claimed in claim 1, wherein the clearance-adjustable screw has a total length of 79-99mm, and is bounded by a reference line, the left-hand and right-hand threads are 23-28mm long, the nominal diameter of the threads is 8mm, the pitch of the threads is 1.0mm, the diameter of the screw is 6mm, the length of the left-hand screw is 5-10mm, the length of the right-hand screw is 23-28mm, the depth of the groove at the end of the rod is 5mm, the diameter of the radial screw hole is 2mm, and the distance from the center line to the end face is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620546.5U CN209858337U (en) | 2019-05-02 | 2019-05-02 | Gap-adjustable crop seed shearing characteristic test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620546.5U CN209858337U (en) | 2019-05-02 | 2019-05-02 | Gap-adjustable crop seed shearing characteristic test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858337U true CN209858337U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920620546.5U Expired - Fee Related CN209858337U (en) | 2019-05-02 | 2019-05-02 | Gap-adjustable crop seed shearing characteristic test fixture |
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| Country | Link |
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| CN (1) | CN209858337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638118A (en) * | 2020-07-09 | 2020-09-08 | 河海大学 | Device and method for testing internal crack propagation of concrete after quantitative strain impact |
| CN111650037A (en) * | 2020-07-09 | 2020-09-11 | 河海大学 | Device and method for testing fracture state of quasi-brittle material after quantitative strain impact |
-
2019
- 2019-05-02 CN CN201920620546.5U patent/CN209858337U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638118A (en) * | 2020-07-09 | 2020-09-08 | 河海大学 | Device and method for testing internal crack propagation of concrete after quantitative strain impact |
| CN111650037A (en) * | 2020-07-09 | 2020-09-11 | 河海大学 | Device and method for testing fracture state of quasi-brittle material after quantitative strain impact |
| CN111638118B (en) * | 2020-07-09 | 2022-02-11 | 河海大学 | Device and method for testing internal crack propagation of concrete after quantitative strain impact |
| CN111650037B (en) * | 2020-07-09 | 2023-02-28 | 河海大学 | Device and method for testing fracture state of quasi-brittle material after quantitative strain impact |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20200502 |