CN219182122U - Cantilever shaft reinforcing structure for corn harvester and corn harvester - Google Patents
Cantilever shaft reinforcing structure for corn harvester and corn harvester Download PDFInfo
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- CN219182122U CN219182122U CN202320818709.7U CN202320818709U CN219182122U CN 219182122 U CN219182122 U CN 219182122U CN 202320818709 U CN202320818709 U CN 202320818709U CN 219182122 U CN219182122 U CN 219182122U
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- cantilever
- cantilever shaft
- corn harvester
- fixing frame
- shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model provides a cantilever shaft reinforcing structure for a corn harvester and the corn harvester. The force applied to the cantilever shaft by the fixing frame is opposite to the component force of the chain wheel, so that the cantilever shaft can be reliably supported, and the bending strength of the cantilever shaft is ensured.
Description
Technical Field
The utility model relates to the technical field of corn harvesting, in particular to a cantilever shaft reinforcing structure for a corn harvester and the corn harvester.
Background
The transmission power of the corn harvester is mainly transmitted through a chain and a belt. The chain transmission can ensure the synchronous requirement of transmission, and meanwhile, the chain transmission is more convenient to arrange than hydraulic and belt transmission, so that the common low-speed transmission part is the chain transmission.
The inventor finds that the side wall of the peeler support of the corn harvester in the prior art is provided with a cantilever shaft, and a 4-layer cantilever cone pulley is arranged on the cantilever shaft and is used for realizing transmission with a driving wheel, a seed screen sprocket, a grain cleaning fan sprocket and a grain auger sprocket. As shown in fig. 1, one end of the cantilever shaft B is welded with the cantilever shaft beam A, the other end of the cantilever shaft B is in a suspended state, the cantilever shaft beam A is welded between two cantilever shaft vertical beams C, and due to the centralized stress direction of the chain wheel of the cantilever cone pulley on the cantilever shaft, the chain can be bent after being subjected to strong impact, so that the phenomenon of non-coplanarity or fracture of the chain is caused, the chain is limited to a working state, and the chain cannot be used for a long time or cannot be repaired even after being slightly deformed and repaired, so that shutdown faults are caused, and only the peeler bracket assembly can be replaced. In addition, the peeling machine frame belongs to a major functional part, the transportation cost is high, the replacement is inconvenient, the peeling machine in the peeling machine frame needs to be removed by a large crane when the peeling machine bracket is replaced, seeds in the peeling machine bracket need to be removed by a forklift, and the peeling machine bracket can be completed by 4 experienced staff when the tools are complete for more than 10 hours.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the cantilever shaft reinforcing structure for the corn harvester and the corn harvester, which can reliably support the cantilever shaft and ensure the bending strength of the cantilever shaft.
In order to achieve the above object, according to a first aspect of the present utility model, there is provided a cantilever shaft reinforcing structure for a corn harvester, including a cantilever shaft, a cantilever shaft mounting seat, a fixing frame and a fixing frame mounting seat, wherein the cantilever shaft mounting seat is fixedly disposed between two vertical beams of a peeling machine frame, a first end of the cantilever shaft is connected with the cantilever shaft mounting seat, a second end of the cantilever shaft is connected with a first end of the fixing frame, a second end of the fixing frame is connected with the fixing frame mounting seat, and the fixing frame mounting seat is disposed on a cross beam above the two vertical beams.
According to a further technical scheme, a reinforcing vertical beam is further arranged between the cantilever shaft mounting seat and the cross beam, and the reinforcing vertical beam, the cantilever shaft mounting seat and the cross beam are welded together.
According to a further technical scheme, a cantilever shaft base is welded at the end part of the first end of the cantilever shaft, a first connecting hole is formed in the cantilever shaft base, a second connecting hole is correspondingly formed in the cantilever shaft mounting seat, and the cantilever shaft base is connected with the cantilever shaft mounting seat through a cantilever shaft fixing bolt.
According to a further technical scheme, the number of the first connecting holes and the number of the second connecting holes are 4.
According to a further technical scheme, a threaded hole is formed in the axis of the second end of the cantilever shaft, internal threads are arranged in the threaded hole, a third connecting hole is correspondingly formed in the first end of the fixing frame, and the cantilever shaft is connected with the fixing frame through a fixing frame mounting bolt.
According to a further technical scheme, a fourth connecting hole is formed in the fixing frame mounting seat, a fifth connecting hole is correspondingly formed in the second end of the fixing frame, and the fixing frame mounting seat is connected with the fixing frame through a fixing frame fixing bolt.
According to a further technical scheme, a cantilever cone pulley is sleeved on the outer side of the cantilever shaft, four chain wheels are arranged on the cantilever cone pulley and are respectively connected with a driving chain wheel, a seed screen chain wheel, a grain cleaning fan chain wheel and a grain auger chain wheel through transmission chains.
According to a further technical scheme, a tensioning wheel is further arranged on the peeler frame and used for tensioning the transmission chain.
Further technical scheme, the outside of cantilever axle still overlaps and is equipped with limit sleeve, limit sleeve one end butt cantilever cone pulley, one end butt mount's first end.
In a second aspect of the utility model, a corn harvester is provided, and the corn harvester is provided with the cantilever shaft reinforcing structure for the corn harvester.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides a cantilever shaft reinforcing structure for a corn harvester and the corn harvester.
2. The utility model adds the welding reinforcing vertical beam between the upper part of the cantilever shaft mounting seat and the cross beam of the side wall of the peeling machine, widens the cantilever shaft mounting seat and ensures the strength of the root part.
3. The utility model changes the original welding structure of the cantilever shaft into the installation structure installed by bolts, and can lead the cantilever shaft and the cantilever shaft installation seat to be two parts by upgrading the structure, thereby being simpler even if the cantilever shaft needs to be replaced. In actual use, only one worker can complete the replacement work within about 1 hour, so that the working efficiency is greatly improved, and the service cost is saved.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of a cantilever shaft on a sidewall of a prior dehider stand;
FIG. 2 is a partial view of the present utility model without the cantilever shaft and mount mounted;
FIG. 3 is a cross-sectional view of a cantilever shaft reinforcing structure;
FIG. 4 is a schematic structural view of a welded cantilever shaft and cantilever shaft mount;
FIG. 5 is a schematic structural view of the fixing frame;
fig. 6 is a schematic diagram of the overall structure of the present utility model.
Wherein, 1 part of the peeler frame, 2 parts of the cantilever shaft mounting seat, 3 parts of the fixing frame, 4 parts of the fixing frame mounting seat, 5 parts of the vertical beam, 6 parts of the cross beam, 7 parts of the reinforced vertical beam, 8 parts of the cantilever shaft base, 9 parts of the cantilever shaft base, 10 parts of the first connecting hole, 10 parts of the threaded hole, 11 parts of the third connecting hole, 12 parts of the fifth connecting hole, 13 parts of the cantilever tower wheel, 14 parts of the cantilever tower wheel and 14 parts of the driving sprocket, 15, seed screen chain wheels, 16, grain cleaning fan chain wheels, 17, seed auger chain wheels, 18, a first tensioning wheel, 19, a second tensioning wheel, 20, a third tensioning wheel, 21, a fourth tensioning wheel, 22, a first transmission chain, 23, a second transmission chain, 24, a third transmission chain, 25, a fourth transmission chain, 26 and a limiting sleeve.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The utility model provides a cantilever shaft reinforcing structure for a corn harvester and the corn harvester, which can reliably support a cantilever shaft and ensure the bending strength of the cantilever shaft.
Example 1
The embodiment provides a cantilever shaft reinforcing structure for a corn harvester through stress analysis during working of the existing structure and combining practical experience, and changes the existing welding structure into a mounting structure. As shown in fig. 1, the defects of the existing structure are mainly represented in the following steps: 1. the outer side of the cantilever shaft is not supported, component force of all chain wheels connected with the middle cone pulley is concentrated in the downward direction, and the upper surface of the cantilever shaft is not balanced with the pulling force; 2. the cross beam welded with the cantilever shaft is thinner, and the torsion resistance of the root is insufficient. Results in: 1. the cantilever shaft may be stretch bent; 2. the beam to which the cantilever shaft is welded may be distorted. In addition, in the figure, the cantilever shafts are directly welded on two vertical beams C of the barker support, for example, when the cantilever shafts are bent and replaced, the barker support welding assembly is required to be replaced, and the replacement process is extremely complex.
Based on this, as shown in fig. 2, the present embodiment widens the beam that is welded to the cantilever shaft originally, so as to obtain the cantilever shaft mount 2 welded between the two upright beams 5, and meanwhile, a mount 4 is provided on the beam above the cantilever shaft mount for mounting the mount, and the end of the cantilever shaft outside free end is connected by the mount, so as to provide an upward tension for the cantilever shaft. In addition, as shown by analysis, the upper side of the cantilever shaft mounting seat 2 is just opposite to the separation direction of the tower chain wheel, so that the reinforcing vertical beam 7 is additionally arranged between the cantilever shaft mounting seat and the cross beam in the embodiment, and the strength of the cantilever shaft mounting seat is ensured.
Specifically, the cantilever shaft reinforcing structure for the corn harvester provided by the embodiment, as shown in fig. 3, comprises a cantilever shaft 1, a cantilever shaft mounting seat 2, a fixing frame 3 and a fixing frame mounting seat 4, wherein the cantilever shaft mounting seat 2 is fixedly arranged between two vertical beams of a peeling machine frame, a first end of the cantilever shaft 1 is connected with the cantilever shaft mounting seat 2, a second end of the cantilever shaft 1 is connected with a first end of the fixing frame 3, a second end of the fixing frame 3 is connected with the fixing frame mounting seat 4, and the fixing frame mounting seat 4 is arranged on a cross beam 6 above the two vertical beams.
Through the mount, provide the pull-up support for the unsettled second end of cantilever axle originally to can carry out reliable support to the cantilever axle, guarantee the flexural strength of cantilever axle.
In addition, still be provided with the reinforcement standing beam 7 between cantilever axle mount pad 2 and crossbeam 6, the reinforcement standing beam 7 is in the same place with cantilever axle mount pad 2 and crossbeam 6 welding, has guaranteed the intensity of cantilever axle mount pad.
In order to guarantee overall structure stability, in this embodiment, mount pad 4 is L shaped steel, and one of them side is in the same place with crossbeam 6 and the welding of strengthening standing beam 7, and the below of another side is provided with the strengthening rib for link to each other with strengthening standing beam 7, provide the support to the overall structure after connecting, avoid long-term use back because cantilever axle downward force is great and take place bending deformation.
The fixing frame 3 is formed by bending a steel plate, and a protruding structure perpendicular to one side surface is arranged in the middle of one side surface and used for reinforcing the fixing frame.
In order to overcome the defects of complex replacement and high cost of the existing welding structure, the embodiment changes the original welding structure of the cantilever shaft into a mounting structure which is mounted through bolts. Specifically, as shown in fig. 4, a cantilever shaft base 8 is welded at a first end of the cantilever shaft 1, a first connecting hole 9 is formed in the cantilever shaft base 8, and a second connecting hole is correspondingly formed in the cantilever shaft mounting seat 2, and the cantilever shaft base 8 is connected with the cantilever shaft mounting seat 2 through a cantilever shaft fixing bolt, so that the cantilever shaft base and the cantilever shaft mounting seat are detachable.
Because this embodiment will originally with cantilever beam welded crossbeam have widened to guarantee cantilever beam root's intensity, consequently, cantilever shaft base's area can be made more than corresponding, and here, cantilever shaft base has offered first connecting hole respectively for square that the four corners had the fillet on four angles, first connecting hole quantity is 4 promptly, then corresponding, cantilever shaft mount pad 2 is also 4 in quantity of second connecting hole.
The second end of cantilever axle, cantilever axle originally unsettled position, the axle center department has seted up screw hole 10, and the screw hole is provided with the internal thread, simultaneously as shown in fig. 5, has seted up third connecting hole 11 in the first end correspondence of mount, links to each other through the mount mounting bolt between cantilever axle and the mount to realize dismantling between cantilever axle and the mount.
The fourth connecting hole is formed in the fixing frame mounting seat, the fifth connecting hole 12 is correspondingly formed in the second end of the fixing frame, and the fixing frame mounting seat is connected with the fixing frame through fixing frame fixing bolts, so that the fixing frame mounting seat and the fixing frame can be detached.
The detachable structure enables the cantilever shaft and the cantilever shaft mounting seat to be two parts, so that the cantilever shaft and the fixing frame can be detached, the structure after the disassembly is shown in fig. 2 even if the cantilever shaft needs to be replaced, and the disassembly can be conveniently realized only by detaching each mounting bolt and each fixing bolt when the cantilever shaft is bent or damaged. In the practical test, only one worker can complete the replacement work within about 1 hour, and the working efficiency is greatly improved.
Referring to fig. 6, in the structure provided in this embodiment, in actual use, a cantilever cone pulley 13 is sleeved on the outer side of the cantilever shaft 1, four sprockets are arranged on the cantilever cone pulley 13, and are respectively connected with a driving sprocket 14, a seed sieve sprocket 15, a grain cleaning fan sprocket 16 and a grain auger sprocket 17 through transmission chains.
Furthermore, a tensioning wheel is provided on the peeler frame 1 for tensioning the drive chain. Specifically, a first tensioning wheel 18 is arranged on the frame between the cantilever cone pulley 13 and the driving sprocket 14 and is used for tensioning a first transmission chain 22 between the cantilever cone pulley 13 and the driving sprocket 14; a second tensioning wheel 19 is arranged on the frame between the cantilever cone pulley 13 and the seed sieve sprocket 15 and is used for tensioning a second transmission chain 23 between the cantilever cone pulley 13 and the seed sieve sprocket 15; a third tensioning wheel 20 is arranged on the frame between the cantilever cone pulley 13 and the grain cleaning blower sprocket 16 and is used for tensioning a third transmission chain 24 between the cantilever cone pulley 13 and the grain cleaning blower sprocket 16; a fourth tensioning wheel 21 is arranged on the frame between the cantilever cone pulley 13 and the seed auger sprocket 17 and is used for tensioning a fourth transmission chain 25 between the cantilever cone pulley 13 and the seed auger sprocket 17.
In addition, referring to fig. 3, a limiting sleeve 26 is further sleeved on the outer side of the cantilever shaft 1, one end of the limiting sleeve 26 is abutted against the cantilever cone 13, and the other end is abutted against the first end of the fixing frame 3.
The arrow mark on the drive chain in fig. 6 shows the direction of the tension of the chain on the cantilever cone pulley, and it can be seen that the cantilever cone pulley connects a plurality of sprockets, and the component force of the sprockets is downward, but not upward. When the fixing frame 3 is added, upward pulling force can be provided to balance downward component force, so that bending deformation of the cantilever shaft is avoided.
The installation mode of the utility model is as follows:
1. the cantilever cone pulley is mounted on a cantilever shaft and welded;
2. the cantilever shafts are assembled on cantilever shaft mounting seats welded between the vertical beams and are fixed by using four bolts;
3. installing a limit sleeve into the cantilever shaft;
4. the fixing frame is connected to the fixing frame mounting seat and the cantilever shaft through bolts;
5. and installing related chains, and adjusting the tensioning wheel to ensure that the tightness of the chains is moderate, so that all assembly work can be completed.
Example two
The embodiment further provides a corn harvester on the basis of the first embodiment, and the corn harvester is provided with the cantilever shaft reinforcing structure for the corn harvester, which is used for achieving full-automatic harvesting of corn.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a cantilever axle additional strengthening for maize picker, its characterized in that includes cantilever axle, cantilever axle mount pad, mount and mount pad, the cantilever axle mount pad is fixed to be set up between two upright beams of peeler frame, cantilever axle's first end links to each other with the cantilever axle mount pad, and cantilever axle's second end links to each other with the first end of mount, and the second end of mount links to each other with the mount pad, and the mount pad setting is on the crossbeam of two upright beam top.
2. The cantilever shaft reinforcing structure for a corn harvester of claim 1, wherein a reinforcing vertical beam is further arranged between the cantilever shaft mounting seat and the cross beam, and the reinforcing vertical beam is welded with the cantilever shaft mounting seat and the cross beam.
3. The cantilever shaft reinforcing structure for a corn harvester according to claim 1, wherein a cantilever shaft base is welded at the end part of the first end of the cantilever shaft, a first connecting hole is formed in the cantilever shaft base, a second connecting hole is correspondingly formed in the cantilever shaft mounting seat, and the cantilever shaft base is connected with the cantilever shaft mounting seat through a cantilever shaft fixing bolt.
4. A cantilever shaft reinforcing structure for a corn harvester as in claim 3 wherein the number of said first and second attachment holes is 4.
5. The cantilever shaft reinforcing structure for a corn harvester according to claim 4, wherein the second end of the cantilever shaft is provided with a threaded hole, an internal thread is arranged in the threaded hole, the first end of the fixing frame is correspondingly provided with a third connecting hole, and the cantilever shaft is connected with the fixing frame through a fixing frame mounting bolt.
6. The cantilever shaft reinforcing structure for a corn harvester according to claim 5, wherein the mounting seat of the fixing frame is provided with a fourth connecting hole, the second end of the fixing frame is correspondingly provided with a fifth connecting hole, and the mounting seat of the fixing frame is connected with the fixing frame through a fixing bolt of the fixing frame.
7. The cantilever shaft reinforcing structure for a corn harvester according to claim 6, wherein the cantilever shaft is externally sleeved with a cantilever cone pulley, four chain wheels are arranged on the cantilever cone pulley and are respectively connected with a driving chain wheel, a seed sieve chain wheel, a grain cleaning fan chain wheel and a grain auger chain wheel through transmission chains.
8. The cantilever shaft reinforcing structure for a corn harvester of claim 7, wherein the frame of the peeler is further provided with a tension pulley for tensioning the transmission chain.
9. The cantilever shaft reinforcing structure for a corn harvester of claim 7, wherein a limiting sleeve is further sleeved on the outer side of the cantilever shaft, one end of the limiting sleeve is abutted against the cantilever cone pulley, and the other end is abutted against the first end of the fixing frame.
10. A corn harvester, characterized in that the corn harvester is provided with a cantilever shaft reinforcement structure for a corn harvester according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320818709.7U CN219182122U (en) | 2023-04-13 | 2023-04-13 | Cantilever shaft reinforcing structure for corn harvester and corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320818709.7U CN219182122U (en) | 2023-04-13 | 2023-04-13 | Cantilever shaft reinforcing structure for corn harvester and corn harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219182122U true CN219182122U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320818709.7U Active CN219182122U (en) | 2023-04-13 | 2023-04-13 | Cantilever shaft reinforcing structure for corn harvester and corn harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219182122U (en) |
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2023
- 2023-04-13 CN CN202320818709.7U patent/CN219182122U/en active Active
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