CN218868728U - Ear-stem and stalk-receiving and pulling ear-picking transmission case and corn harvester - Google Patents
Ear-stem and stalk-receiving and pulling ear-picking transmission case and corn harvester Download PDFInfo
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- CN218868728U CN218868728U CN202320041580.3U CN202320041580U CN218868728U CN 218868728 U CN218868728 U CN 218868728U CN 202320041580 U CN202320041580 U CN 202320041580U CN 218868728 U CN218868728 U CN 218868728U
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Abstract
The utility model provides an ear of grain stem is drawn stem concurrently and is plucked ear of grain transmission case and maize picker. An ear-stem harvesting-pulling ear-picking transmission case comprises: the stalk-pulling ear-picking device comprises a stalk-pulling ear-picking transmission box body, a first stalk-pulling roller shaft, a second stalk-pulling roller shaft, a first feeding roller shaft, a second feeding roller shaft and an idler shaft, wherein the first stalk-pulling roller shaft, the second stalk-pulling roller shaft, the first feeding roller shaft and the second feeding roller shaft are all rotatably arranged on the stalk-pulling ear-picking transmission box body, the first stalk-pulling roller shaft is in transmission connection with the second stalk-pulling roller shaft, the first stalk-pulling roller shaft is in transmission connection with the first feeding roller shaft through the idler shaft, and the second stalk-pulling roller shaft is in transmission connection with the second feeding roller shaft through the idler shaft. When the stalk-pulling device is used, the two stalk-pulling rollers, the two feeding rollers and the middle idler shaft share one transmission case, so that the stalk pulling and the ear picking are separated, the stalk pulling and the ear picking form unit harvesting, the feeding and the ear picking are separated, the material is effectively prevented from being brought back, the crop damage is reduced, the structure is compact, the transmission is reliable, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to a harvester transmission case technical field especially relates to an ear of grain stem is drawn stem concurrently and is plucked ear of grain transmission case and maize picker.
Background
The existing corn harvester is provided with a clamping chain and a stalk pulling roller which are sequentially arranged from front to back, the stalk pulling roller is connected with the stalk pulling roller, and a clamping chain wheel for driving the clamping chain is arranged between the stalk pulling roller and the stalk pulling roller. When the corn ear picking device is used, the two clamping chain wheels drive the corn straws to move backwards, and when the corn straws reach the clamping and stem pulling roller, the stem pulling roller and the stem pulling roller continue to pull the corn straws and pick corn ears.
The above technical solution has the following disadvantages: each stalk-pulling roller is connected with a respective clamping chain wheel, so that material returning is easy to form; when the materials pass through the clamping chain wheel, the crops are damaged, and the harvest loss is caused; the integral header has the defects of inconvenient maintenance, high maintenance cost and the like. A harvesting unit transmission case which is separated from stem pulling and ear picking, forms unit harvesting by stem pulling and ear picking, and is compact in structure and reliable in transmission is needed in the market.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the utility model is not enough for the prior art, a spike and stem harvesting and stem picking transmission case and a corn harvester are provided.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an ear-stem harvesting-pulling ear-picking transmission case, comprising: the stalk-pulling ear-picking device comprises a stalk-pulling ear-picking transmission box body, a first stalk-pulling roller shaft, a second stalk-pulling roller shaft, a first feeding roller shaft, a second feeding roller shaft and an idler shaft, wherein the first stalk-pulling roller shaft, the second stalk-pulling roller shaft, the first feeding roller shaft and the second feeding roller shaft are all rotatably installed on the stalk-pulling ear-picking transmission box body, the first stalk-pulling roller shaft is in transmission connection with the second stalk-pulling roller shaft, the first stalk-pulling roller shaft is in transmission connection with the first feeding roller shaft through the idler shaft, and the second stalk-pulling roller shaft is in transmission connection with the second feeding roller shaft through the idler shaft.
Adopt the utility model discloses technical scheme's beneficial effect is: when the stalk-pulling device is used, the two stalk-pulling rollers, the two feeding rollers and the middle idler shaft share one transmission case, so that the stalk pulling and the ear picking are separated, the stalk pulling and the ear picking form unit harvesting, the feeding and the ear picking are separated, the material is effectively prevented from being brought back, the crop damage is reduced, the structure is compact, the transmission is reliable, and the maintenance cost is reduced.
Furthermore, a first feeding roller gear is arranged on the first feeding roller shaft, a second feeding roller gear is arranged on the second feeding roller shaft, a first idle wheel and a second idle wheel are arranged on the idle wheel shaft, a first stem-drawing roller gear and a third stem-drawing roller gear are arranged on the first stem-drawing roller shaft, a second stem-drawing roller gear and a fourth stem-drawing roller gear are arranged on the second stem-drawing roller shaft, the first feeding roller gear and the third stem-drawing roller gear are both meshed with the first idle wheel, the second feeding roller gear and the fourth stem-drawing roller gear are both meshed with the second idle wheel, and the first stem-drawing roller gear is meshed with the second stem-drawing roller gear.
The beneficial effect of adopting the further technical scheme is that: when the stem drawing machine is used, power is transmitted to the first stem drawing roller shaft to drive the first stem drawing roller shaft to rotate, and the first stem drawing roller shaft is connected with the second stem drawing roller gear through the first stem drawing roller gear to drive the second stem drawing roller shaft; the first stem-drawing roller shaft drives the first feeding roller shaft to rotate through a third stem-drawing roller gear, a first idle wheel and a first feeding roller gear; the second stalk-chopped header shaft drives the second feeding roller shaft to rotate through a fourth stalk-chopped header gear, a second idle wheel and a second feeding roller gear. The structure is compact and the transmission is reliable.
Furthermore, the third stalk-pulling roller gear, the first idle gear and the first feeding roller gear are all located at the top of the inner side of the stalk-pulling and ear-picking transmission box body, the fourth stalk-pulling roller gear, the second idle gear and the second feeding roller gear are all located at the bottom of the inner side of the stalk-pulling and ear-picking transmission box body, and the first stalk-pulling roller gear and the second stalk-pulling roller gear are all located in the middle of the inner side of the stalk-pulling and ear-picking transmission box body.
The beneficial effect of adopting the further technical scheme is that: when the stem-pulling and ear-picking transmission box is used, gears in the stem-pulling and ear-picking transmission box are arranged in three layers, so that the risk of mutual interference is reduced, the space utilization rate is improved, the structure is compact, and the transmission is reliable.
Furthermore, the length of the top of the first feeding roll shaft is greater than that of the first stem-pulling roll shaft, a feeding roll is arranged at the top end of the first feeding roll shaft, a stem-pulling roll is arranged at the top end of the first stem-pulling roll shaft, the first stem-pulling roll shaft and the second stem-pulling roll shaft are identical in structure, and the first feeding roll shaft and the second feeding roll shaft are identical in structure.
The beneficial effect of adopting the further technical scheme is that: the height of the upper end of the feeding roll shaft is greater than that of the upper end of the stalk-pulling roll shaft. When the feeding roller is used, the feeding roller shaft is used for installing the feeding roller, and the upper end of the feeding roller is arranged in a suspended mode, so that the feeding roller shaft is longer in length and is beneficial to improving the stability of the feeding roller; the stalk-pulling roll shaft is used for installing the stalk-pulling roll, and can be shorter.
Furthermore, feeding roller shaft sleeves are sleeved on the outer sides of the first feeding roller shaft and the second feeding roller shaft, one end of each feeding roller shaft sleeve is connected with the stem pulling and ear picking transmission box body, and the first feeding roller shaft and the second feeding roller shaft are rotatably installed in the feeding roller shaft sleeves.
The beneficial effect of adopting the further technical scheme is that: the stalk pulling and ear picking transmission box body is provided with a feeding roller shaft sleeve sleeved on a feeding roller shaft, and the feeding roller shaft is rotatably connected with the upper end of the feeding roller shaft sleeve. During the use, the feeding roller cup joints on the feeding roller, and feeding roller axle sleeve can improve the stability of feeding roller and feeding roller.
Furthermore, the top ends of the first stem-drawing roller shaft and the second stem-drawing roller shaft are both provided with ball head structures, and the top ends of the first feeding roller shaft and the second feeding roller shaft are provided with spline shaft structures.
The beneficial effect of adopting the further technical scheme is that: the upper end of the stalk-pulling roll shaft is provided with a ball head structure, and the upper end of the feeding roll shaft is provided with a spline shaft structure. When in use, the positioning and the installation are convenient.
Further, the stalk pulling and ear picking transmission box body comprises: the stem pulling and ear picking transmission box comprises a stem pulling and ear picking transmission box cover and a stem pulling and ear picking transmission base, wherein the stem pulling and ear picking transmission base is of a top opening structure, the stem pulling and ear picking transmission box cover is installed at the top end of the stem pulling and ear picking transmission base, and one end of the first stem pulling roller shaft, one end of the second stem pulling roller shaft, one end of the first feeding roller shaft and one end of the second feeding roller shaft are all penetrated through the stem pulling and ear picking transmission box cover and are rotatably installed at the bottom of the stem pulling and ear picking transmission base.
The beneficial effect of adopting the further technical scheme is that: the upper end of the stalk-pulling ear-picking transmission box body is arranged in an open manner, and the upper end of the stalk-pulling ear-picking transmission box body is detachably provided with a stalk-pulling ear-picking transmission box cover. The manufacturing and the installation of the stalk pulling and ear picking transmission box body are convenient. The lower end of the stem-pulling roll shaft is rotatably connected with the bottom of the stem-pulling and ear-picking transmission box body, the stem-pulling roll shaft penetrates through a stem-pulling and ear-picking transmission box cover and is rotatably connected with the stem-pulling and ear-picking transmission box cover, the lower end of the feeding roll shaft is rotatably connected with the bottom of the stem-pulling and ear-picking transmission base, and the feeding roll shaft penetrates through the stem-pulling and ear-picking transmission box cover and is rotatably connected with the stem-pulling and ear-picking transmission base. The manufacturing and the installation of the stalk pulling and ear picking transmission box body are convenient.
Further, the distance between the central axes of the first stalk-chopped header roll shaft and the second stalk-chopped header roll shaft is smaller than the distance between the central axes of the first feeding roll shaft and the second feeding roll shaft, and the gap width between the first stalk-chopped header roll shaft and the second stalk-chopped header roll shaft is smaller than the gap width between the first feeding roll shaft and the second feeding roll shaft.
The beneficial effect of adopting the further technical scheme is that: the distance between the central axes of the two stalk-pulling roll shafts is less than that between the central axes of the two feeding roll shafts; the width of the gap between the two stalk-pulling roll shafts is less than that of the gap between the two feeding roll shafts. When in use, the conveying of the corn straws is convenient.
Furthermore, the stem-pulling and ear-picking transmission box body is of a rectangular structure, and four corners of the stem-pulling and ear-picking transmission box body are rounded corners.
The beneficial effect of adopting the further technical scheme is that: the stalk-pulling ear-picking transmission box body is rectangular, and four corners of the stalk-pulling ear-picking transmission box body are provided with round corners. And each gear is convenient to mount. When the stalk-pulling device is used, the two stalk-pulling roll shafts and the two feeding roll shafts share one transmission box, so that the structure is compact, the transmission is reliable, and the maintenance cost is reduced.
Furthermore, the utility model also provides a maize picker, including above-mentioned arbitrary one ear of grain stem concurrently receive and draw stem and pluck ear of grain transmission case.
Adopt the utility model discloses technical scheme's beneficial effect is: when the stalk-pulling device is used, the two stalk-pulling rollers, the two feeding rollers and the middle idler shaft share one transmission case, so that the stalk pulling and the ear picking are separated, the stalk pulling and the ear picking form unit harvesting, the feeding and the ear picking are separated, the material is effectively prevented from being brought back, the crop damage is reduced, the structure is compact, the transmission is reliable, and the maintenance cost is reduced.
Advantages of additional aspects of the invention 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 invention.
Drawings
Fig. 1 is one of the schematic structural diagrams of the ear-stem harvesting-pulling ear-picking transmission case provided by the embodiment of the present invention.
Fig. 2 is a second schematic structural view of the ear-stem collecting and pulling ear-picking transmission box provided by the embodiment of the present invention.
Figure 3 isbase:Sub>A cross-sectional view of the structure shown in figure 2 taken along section linebase:Sub>A-base:Sub>A.
Figure 4 is a cross-sectional view of the structure shown in figure 3 taken along section line B-B.
Figure 5 is a cross-sectional view of the structure shown in figure 3 taken along section line C-C.
Figure 6 is a cross-sectional view of the structure shown in figure 3 taken along section line D-D.
Fig. 7 is a third schematic structural view of the ear-stem and stalk-collecting and ear-picking transmission case provided by the embodiment of the present invention.
Fig. 8 is a fourth schematic structural view of the ear-stem-harvesting-stalk-pulling ear-picking transmission case provided by the embodiment of the present invention.
Fig. 9 is a fifth schematic structural view of the ear-stem and stalk-collecting and ear-picking transmission case provided by the embodiment of the present invention.
Fig. 10 is a sixth schematic structural view of the ear-stem harvesting-pulling ear-picking transmission case according to the embodiment of the present invention.
Figure 11 is a cross-sectional view of the structure of figure 10 taken along section line E-E.
Fig. 12 is a seventh schematic structural view of the ear-stem harvesting-pulling ear-picking transmission case according to the embodiment of the present invention.
The reference numbers indicate: 1. a stem pulling and ear picking transmission box body; 2. a first stalk-pulling roll shaft; 3. a second stalk-pulling roll shaft; 4. a first feed roller; 5. a second feed roll shaft; 6. an idler shaft; 7. a first feed roller gear; 8. a second feed roller gear; 9. a first idler pulley; 10. a second idler pulley; 11. a first stalk-pulling roller gear; 12. a third stalk-pulling roller gear; 13. a second stalk-pulling roller gear; 14. a fourth stalk-pulling roller gear; 15. a feeding roller shaft sleeve; 16. a ball head structure; 17. a spline shaft structure; 18. a stalk pulling and ear picking transmission box cover; 19. a stem pulling and ear picking transmission base; 20. a feed roller; 21. a stalk-pulling roller; 22. and (4) snapping rollers.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 12, an embodiment of the present invention provides an ear-stem harvesting and stem-pulling ear-picking transmission case, including: the stem pulling and ear picking device comprises a stem pulling and ear picking transmission box body 1, a first stem pulling roller shaft 2, a second stem pulling roller shaft 3, a first feeding roller shaft 4, a second feeding roller shaft 5 and an idler shaft 6, wherein the first stem pulling roller shaft 2, the second stem pulling roller shaft 3, the first feeding roller shaft 4 and the second feeding roller shaft 5 are rotatably installed on the stem pulling and ear picking transmission box body 1, the first stem pulling roller shaft 2 is in transmission connection with the second stem pulling roller shaft 3, the first stem pulling roller shaft 2 is in transmission connection with the first feeding roller shaft 4 through the idler shaft 6, and the second stem pulling roller shaft 3 is in transmission connection with the second feeding roller shaft 5 through the idler shaft 6.
Adopt the utility model discloses technical scheme's beneficial effect is: when the stalk-pulling device is used, the two stalk-pulling rollers, the two feeding rollers and the middle idler shaft share one transmission case, so that the stalk pulling and the ear picking are separated, the stalk pulling and the ear picking form unit harvesting, the feeding and the ear picking are separated, the material is effectively prevented from being brought back, the crop damage is reduced, the structure is compact, the transmission is reliable, and the maintenance cost is reduced.
The ear stem and stem harvesting and ear picking transmission box can be a unit type ear stem and stem harvesting and ear picking transmission box and comprises a stem pulling and ear picking transmission box body, two vertically arranged stem pulling roll shafts (a first stem pulling roll shaft and a second stem pulling roll shaft) are rotatably connected to the stem pulling and ear picking transmission box body, the two stem pulling roll shafts are arranged on the left and the right, two vertically arranged feeding roll shafts (a first feeding roll shaft and a second feeding roll shaft) which are positioned in front of the stem pulling roll shafts are further rotatably connected to the stem pulling and ear picking transmission box body, the two feeding roll shafts are arranged on the left and the right, an idler shaft is arranged between the two stem pulling roll shafts (the first feeding roll shaft and the second feeding roll shaft) and the two stem pulling roll shafts (the first stem pulling roll shaft and the second stem pulling roll shaft), the two stem pulling roll shafts are in transmission connection, one stem pulling roll shaft is in transmission connection with one of the two stem pulling roll shafts through the intermediate idler shaft (the idler shaft), and the other stem pulling roll shaft is connected with the other idler shaft through the intermediate transmission shaft. When the straw cutting machine is used, the two straw pulling rollers, the two feeding rollers and the intermediate idler shaft share one transmission case. This utility model scheme compact structure, the transmission is reliable, reduces cost of maintenance.
As shown in fig. 1 to 12, further, a first feeding roller gear 7 is disposed on the first feeding roller shaft 4, a second feeding roller gear 8 is disposed on the second feeding roller shaft 5, a first idle gear 9 and a second idle gear 10 are disposed on the idle gear shaft 6, a first stem-drawing roller gear 11 and a third stem-drawing roller gear 12 are disposed on the first stem-drawing roller shaft 2, a second stem-drawing roller gear 13 and a fourth stem-drawing roller gear 14 are disposed on the second stem-drawing roller shaft 3, the first feeding roller gear 7 and the third stem-drawing roller gear 12 are both meshed with the first idle gear 9, the second feeding roller gear 8 and the fourth stem-drawing roller gear 14 are both meshed with the second idle gear 10, and the first stem-drawing roller gear 11 is meshed with the second stem-drawing roller gear 13.
The beneficial effect of adopting the further technical scheme is that: when the stem drawing machine is used, power is transmitted to the first stem drawing roller shaft to drive the first stem drawing roller shaft to rotate, and the first stem drawing roller shaft is connected with the second stem drawing roller gear through the first stem drawing roller gear to drive the second stem drawing roller shaft; the first stalk-pulling roll shaft drives the first feeding roll shaft to rotate through a third stalk-pulling roll gear, a first idle wheel and a first feeding roll gear; the second stem-drawing roller shaft drives the second feeding roller shaft to rotate through a fourth stem-drawing roller gear, a second idle gear and a second feeding roller gear. The structure is compact and the transmission is reliable.
Preferably, a first feeding roller gear is arranged on one feeding roller shaft and connected with a first idle wheel on an idle wheel shaft, a second feeding roller gear is arranged on the other feeding roller shaft and connected with a second idle wheel, a first stem-drawing roller gear and a third stem-drawing roller gear meshed with the first idle wheel are arranged on one stem-drawing roller shaft, and a second stem-drawing roller gear and a fourth stem-drawing roller gear meshed with the second idle wheel are arranged on the other stem-drawing roller shaft.
As shown in fig. 1 to 12, further, the third stalk-pulling roller gear 12, the first idle gear 9, and the first feed roller gear 7 are all located at the top of the inner side of the stalk-pulling ear-picking transmission box 1, the fourth stalk-pulling roller gear 14, the second idle gear 10, and the second feed roller gear 8 are all located at the bottom of the inner side of the stalk-pulling ear-picking transmission box 1, and the first stalk-pulling roller gear 11 and the second stalk-pulling roller gear 13 are all located at the middle of the inner side of the stalk-pulling ear-picking transmission box 1.
The beneficial effect of adopting the further technical scheme is that: when the stem-pulling and ear-picking transmission box is used, gears in the stem-pulling and ear-picking transmission box are arranged in three layers, so that the risk of mutual interference is reduced, the space utilization rate is improved, the structure is compact, and the transmission is reliable.
As shown in fig. 1 to 12, further, the length of the top of the first feeding roller shaft 4 is greater than the length of the first stem-pulling roller shaft 2, a feeding roller 20 is disposed at the top end of the first feeding roller shaft 4, a stem-pulling roller 21 is disposed at the top end of the first stem-pulling roller shaft 2, the first stem-pulling roller shaft 2 and the second stem-pulling roller shaft 3 have the same structure, and the first feeding roller shaft 4 and the second feeding roller shaft 5 have the same structure.
The beneficial effect of adopting the further technical scheme is that: the height of the upper end of the feeding roll shaft is greater than that of the upper end of the stalk-pulling roll shaft. When the feeding roller is used, the feeding roller shaft is used for installing the feeding roller, and the upper end of the feeding roller is arranged in a suspended mode, so that the feeding roller shaft is longer in length and is beneficial to improving the stability of the feeding roller; the stalk-pulling roll shaft is used for installing the stalk-pulling roll, and the stalk-pulling roll shaft can be shorter.
Wherein the top end of the stalk-pulling roller 21 is provided with a snapping roller 22.
As shown in fig. 1 to 12, further, feeding roller sleeves 15 are respectively sleeved on the outer sides of the first feeding roller shaft 4 and the second feeding roller shaft 5, one end of each feeding roller sleeve 15 is connected with the stalk-pulling ear-picking transmission case 1, and the first feeding roller shaft 4 and the second feeding roller shaft 5 are respectively rotatably installed in the feeding roller sleeves 15.
The beneficial effect of adopting the further technical scheme is that: the stalk pulling and ear picking transmission box body is provided with a feeding roller shaft sleeve sleeved on a feeding roller shaft, and the feeding roller shaft is rotatably connected with the upper end of the feeding roller shaft sleeve. During the use, the feeding roller cup joints on the feeding roller, and feeding roller axle sleeve can improve the stability of feeding roller and feeding roller.
As shown in fig. 1 to 12, furthermore, the top ends of the first and second stalk-pulling rolls 2 and 3 are provided with ball head structures 16, and the top ends of the first and second feed roll shafts 4 and 5 are provided with spline shaft structures 17.
The beneficial effect of adopting the further technical scheme is that: the upper end of the stalk-pulling roll shaft is provided with a ball head structure, and the upper end of the feeding roll shaft is provided with a spline shaft structure. When in use, the positioning and the installation are convenient.
As shown in fig. 1 to 12, further, the stalk pulling and ear picking transmission box 1 includes: the stem-pulling ear-picking driving box cover 18 and the stem-pulling ear-picking driving base 19 are arranged in a structure with an opening at the top, the stem-pulling ear-picking driving box cover 18 is arranged at the top end of the stem-pulling ear-picking driving base 19, and one end of each of the first stem-pulling roller shaft 2, the second stem-pulling roller shaft 3, the first feeding roller shaft 4 and the second feeding roller shaft 5 penetrates through the stem-pulling ear-picking driving box cover 18 and is rotatably arranged at the bottom of the stem-pulling ear-picking driving base 19.
The beneficial effect of adopting the further technical scheme is that: the upper end of the stalk-pulling ear-picking transmission box body is arranged in an open manner, and the upper end of the stalk-pulling ear-picking transmission box body is detachably provided with a stalk-pulling ear-picking transmission box cover. The manufacturing and the installation of the stalk pulling and ear picking transmission box body are convenient. The lower end of the stem-pulling roll shaft is rotatably connected with the bottom of the stem-pulling and ear-picking transmission box body, the stem-pulling roll shaft penetrates through a stem-pulling and ear-picking transmission box cover and is rotatably connected with the stem-pulling and ear-picking transmission box cover, the lower end of the feeding roll shaft is rotatably connected with the bottom of the stem-pulling and ear-picking transmission base, and the feeding roll shaft penetrates through the stem-pulling and ear-picking transmission box cover and is rotatably connected with the stem-pulling and ear-picking transmission base. The manufacture and installation of the stem pulling and ear picking transmission box body are convenient.
As shown in fig. 1 to 12, further, the distance between the central axes of the first and second stalk rolls 2 and 3 is smaller than the distance between the central axes of the first and second feed roll shafts 4 and 5, and the gap width between the first and second stalk rolls 2 and 3 is smaller than the gap width between the first and second feed roll shafts 4 and 5.
The beneficial effect of adopting the further technical scheme is that: the distance between the central axes of the two stalk-pulling roll shafts is less than that between the central axes of the two feeding roll shafts; the width of the gap between the two stalk-pulling roll shafts is less than that of the gap between the two feeding roll shafts. When in use, the conveying of the corn straws is convenient.
As shown in fig. 1 to 12, further, the stalk-pulling ear-picking transmission box body 1 has a rectangular structure, and four corners of the stalk-pulling ear-picking transmission box body 1 are rounded.
The beneficial effect of adopting the further technical scheme is that: the stalk-pulling ear-picking transmission box body is rectangular, and four corners of the stalk-pulling ear-picking transmission box body are provided with round corners. And each gear is convenient to mount. When the stalk puller is used, the two stalk pulling rollers and the two feeding rollers share one transmission box, so that the stalk puller is compact in structure, reliable in transmission and low in maintenance cost.
As an alternative of the above technical solution, 1, a direct connection mode of one stalk-pulling roller and one stalk-pulling roller can be adopted without using an intermediate idler shaft (idler shaft); 2, two idler shafts on two sides between the stalk-pulling roller and the feeding roller are adopted, the stalk-pulling roller and the feeding roller are placed on a plane in a front-back transmission mode, namely the internal gears of the gear box (stalk-pulling and ear-picking transmission box body) are changed from a three-layer arrangement mode to a two-layer arrangement mode, the using amount of lubricating oil is reduced, meanwhile, the height is slightly reduced, the distance between an upper bearing and the liquid level of the lubricating oil is slightly reduced, and the purpose of improving the lubrication of the upper bearing is achieved. But space limitation, the idler shaft needs to adopt the cantilever, and stability is relatively poor. Compared with the scheme, the scheme has the advantages of equivalent lubrication, poorer stability, increased horizontal area of the box body (the stalk pulling and ear picking transmission box body), slightly lower vertical height, increased integral volume and slightly higher cost.
Furthermore, the utility model also provides a maize picker, including above-mentioned arbitrary one ear of grain stem concurrently receive and draw stem and pluck ear of grain transmission case.
Adopt the utility model discloses technical scheme's beneficial effect is: when the stalk-pulling device is used, the two stalk-pulling rollers, the two feeding rollers and the middle idler shaft share one transmission case, so that the stalk pulling and the ear picking are separated, the stalk pulling and the ear picking form unit harvesting, the feeding and the ear picking are separated, the material is effectively prevented from being brought back, the crop damage is reduced, the structure is compact, the transmission is reliable, and the maintenance cost is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an ear of grain stem is received and is drawn stem plucking ear of grain transmission case concurrently which characterized in that includes: the stalk-pulling ear-picking device comprises a stalk-pulling ear-picking transmission box body, a first stalk-pulling roller shaft, a second stalk-pulling roller shaft, a first feeding roller shaft, a second feeding roller shaft and an idler shaft, wherein the first stalk-pulling roller shaft, the second stalk-pulling roller shaft, the first feeding roller shaft and the second feeding roller shaft are all rotatably installed on the stalk-pulling ear-picking transmission box body, the first stalk-pulling roller shaft is in transmission connection with the second stalk-pulling roller shaft, the first stalk-pulling roller shaft is in transmission connection with the first feeding roller shaft through the idler shaft, and the second stalk-pulling roller shaft is in transmission connection with the second feeding roller shaft through the idler shaft.
2. The ear-stem harvesting and pulling transmission case according to claim 1, wherein a first feeding roller gear is arranged on the first feeding roller shaft, a second feeding roller gear is arranged on the second feeding roller shaft, a first idle gear and a second idle gear are arranged on the idle shaft, a first stem-pulling roller gear and a third stem-pulling roller gear are arranged on the first stem-pulling roller shaft, a second stem-pulling roller gear and a fourth stem-pulling roller gear are arranged on the second stem-pulling roller shaft, the first feeding roller gear and the third stem-pulling roller gear are both meshed with the first idle gear, the second feeding roller gear and the fourth stem-pulling roller gear are both meshed with the second idle gear, and the first stem-pulling roller gear is meshed with the second stem-pulling roller gear.
3. The corncob and stalk harvesting corncob picking transmission case as claimed in claim 2, wherein the third stalk-pulling roller gear, the first idle gear and the first feeding roller gear are all located at the top of the inner side of the stalk-pulling corncob picking transmission case body, the fourth stalk-pulling roller gear, the second idle gear and the second feeding roller gear are all located at the bottom of the inner side of the stalk-pulling corncob picking transmission case body, and the first stalk-pulling roller gear and the second stalk-pulling roller gear are all located at the middle of the inner side of the stalk-pulling corncob picking transmission case body.
4. The ear-stem collecting and pulling ear-picking transmission case as claimed in claim 1, wherein the top length of the first feeding roll shaft is greater than the length of the first stalk-pulling roll shaft, the top end of the first feeding roll shaft is provided with a feeding roll, the top end of the first stalk-pulling roll shaft is provided with a stalk-pulling roll, the first stalk-pulling roll shaft and the second stalk-pulling roll shaft have the same structure, and the first feeding roll shaft and the second feeding roll shaft have the same structure.
5. The ear-stalk-collecting stalk-pulling ear-picking transmission case according to claim 1, wherein the first feeding roller shaft and the second feeding roller shaft are sleeved with feeding roller sleeves, one end of each feeding roller sleeve is connected with the stalk-pulling ear-picking transmission case, and the first feeding roller shaft and the second feeding roller shaft are rotatably installed in the feeding roller sleeves.
6. The ear-stem harvesting and stalk-pulling ear-picking transmission case according to claim 1, wherein the top ends of the first stalk-pulling roll shaft and the second stalk-pulling roll shaft are both provided with ball head structures, and the top ends of the first feeding roll shaft and the second feeding roll shaft are provided with spline shaft structures.
7. The corncob and stalk harvesting and stalk pulling and ear picking transmission case as claimed in claim 1, wherein the stalk pulling and ear picking transmission case comprises: the stem-pulling and ear-picking transmission box cover is arranged at the top end of the stem-pulling and ear-picking transmission base, and one end of each of the first stem-pulling roller shaft, the second stem-pulling roller shaft, the first feeding roller shaft and the second feeding roller shaft penetrates through the stem-pulling and ear-picking transmission box cover and is rotatably arranged at the bottom of the stem-pulling and ear-picking transmission base.
8. The ear and stem collecting and stem pulling ear picking transmission case as claimed in claim 1, wherein the distance between the central axes of the first stem pulling roll shaft and the second stem pulling roll shaft is smaller than the distance between the central axes of the first feeding roll shaft and the second feeding roll shaft, and the gap width between the first stem pulling roll shaft and the second stem pulling roll shaft is smaller than the gap width between the first feeding roll shaft and the second feeding roll shaft.
9. The ear-stem harvesting and stalk-pulling ear-picking transmission case as claimed in claim 1, wherein the stalk-pulling ear-picking transmission case is rectangular and has rounded corners.
10. A corn harvester comprising an ear-stem harvesting stalk-pulling ear-picking transmission box as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041580.3U CN218868728U (en) | 2023-01-03 | 2023-01-03 | Ear-stem and stalk-receiving and pulling ear-picking transmission case and corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041580.3U CN218868728U (en) | 2023-01-03 | 2023-01-03 | Ear-stem and stalk-receiving and pulling ear-picking transmission case and corn harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218868728U true CN218868728U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320041580.3U Active CN218868728U (en) | 2023-01-03 | 2023-01-03 | Ear-stem and stalk-receiving and pulling ear-picking transmission case and corn harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218868728U (en) |
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2023
- 2023-01-03 CN CN202320041580.3U patent/CN218868728U/en active Active
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