CN211624099U - Reverse rotation gear ear picking gearbox - Google Patents
Reverse rotation gear ear picking gearbox Download PDFInfo
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- CN211624099U CN211624099U CN201922433751.3U CN201922433751U CN211624099U CN 211624099 U CN211624099 U CN 211624099U CN 201922433751 U CN201922433751 U CN 201922433751U CN 211624099 U CN211624099 U CN 211624099U
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Abstract
The utility model discloses a counter-rotating gear ear picking gearbox, which comprises an ear picking box body, wherein the upper part of the ear picking box body is provided with a high reel assembly and a low reel assembly, the left side of the ear picking box body is provided with a high and low roller ear picking assembly, a transmission shaft is arranged in the ear picking box body, a low reel drive bevel gear, an ear picking drive bevel gear and a high reel drive bevel gear are sequentially arranged on the transmission shaft, the high reel assembly is vertically arranged above the high reel bevel gear, the low reel assembly is vertically arranged above the low reel bevel gear, and an ear picking transmission shaft is vertically arranged above the ear picking drive bevel gear; the utility model discloses not only simplify drive mechanism, form compact structure's closed structure, it is rationally distributed moreover, the wholeness is strong, improves the space utilization of harvester, reduces the results row spacing, realizes the microspur results, adaptable different row spacing requirement to the realization does not have results to going, and this gearbox is applicable to the input simultaneously and is the motorcycle type of counter-clockwise turning.
Description
Technical Field
The utility model relates to a gearbox technical field especially relates to a reverse rotation gear plucks ear of grain gearbox.
Background
In recent years, the level of agricultural mechanization in China is continuously improved, and the mechanized harvesting of corn also becomes one of the more concerned hot spots at present. At present, along with the massive application of various single-row, traction-type and multi-row self-propelled corn harvesters in agricultural production, the corn harvester plays a great role in promoting the mechanized harvesting of corn.
On the existing corn harvester, each line of operation has two stem-pulling rollers and two seedling-pulling chains, and each stem-pulling roller and each seedling-pulling chain are driven by an independently configured gear transmission box, i.e. four independent gear boxes are required on the machine for harvesting one line of corn, obviously, a plurality of independently configured gear transmission boxes are not only not easy to be configured on the machine, which causes the structure of the machine to be complex, but also the gear boxes have many faults in the actual operation, thereby affecting the operation efficiency and the operation quality of the machine, and increasing the maintenance and use cost. In addition, the harvesting platform of the existing corn harvester generally comprises a rack, an ear picking device and a seedling pulling transmission box, wherein the seedling pulling transmission box is arranged below the rack and occupies the space below the rack, a complex transmission mechanism is arranged in the ear picking device and comprises a plurality of transmission gears, the transmission gears are limited by the installation space and can only be exposed, the structure is loose and disordered, the installation and oiling are inconvenient, most of the transmission boxes on the market are made of cast iron materials, the size is large and heavy, particularly, abnormal sound can be caused by the bending of a transmission shaft in the working process of an assembly by an intermediate bearing, the market failure rate is high, the reliability of products is poor, meanwhile, the input of the existing market is a clockwise rotating vehicle type, and the existing market cannot be suitable for a reverse rotating vehicle type.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a contra-rotating gear plucks ear of grain gearbox, with the problem that proposes in solving above-mentioned background, the utility model discloses in arranging the ear of grain box in plucking with the reel transmission, not only simplify drive mechanism, reduce the drive gear number, form compact structure's closed structure, guarantee good gear lubrication, the life of extension gear, and is rationally distributed, the wholeness is strong, improve the space utilization of harvester, can make things convenient for the closely installation of relevant part, reduce the results row spacing, realize the microspur results, adaptable different row spacing requirement, thereby realize not having the results of going, this gearbox is applicable to the input as counter-clockwise turning's motorcycle type simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: a reverse rotation gear ear picking gearbox comprises an ear picking box body, wherein the upper part of the ear picking box body is provided with a high reel assembly and a low reel assembly, the left side of the ear picking box body is provided with a high and low roller ear picking assembly, a transmission shaft is arranged in the ear picking box body, a low reel drive bevel gear, an ear picking drive bevel gear and a high reel drive bevel gear are sequentially arranged on the transmission shaft, two ends of the transmission shaft extend out of the ear picking box body, the left end of the transmission shaft is connected with a single-row chain wheel, the right end of the transmission shaft is connected with a double-row chain wheel, the high reel assembly is vertically arranged above the high reel bevel gear, the low reel assembly is vertically arranged above the low reel bevel gear, an ear picking transmission shaft is vertically arranged above the ear picking drive bevel gear, the ear picking drive bevel gear is meshed with an ear picking driven bevel gear on the ear picking transmission shaft, the high-low roller ear picking assembly is arranged above the ear picking transmission shaft in parallel; the high reel assembly and the low reel assembly of the gearbox can well cope with the conditions of ground fluctuation, corn crop lodging or corn row spacing change, and are convenient for the corn harvester to feed, so that the harvesting efficiency of the corn harvester is effectively improved, and meanwhile, a structure with staggered high rollers and staggered low rollers in parallel contact is adopted, so that the fruit ears can be quickly picked from the stems, the damage of the rotation of the roller wheels to the fruit ears is reduced, and the harvesting loss caused by the plucking rollers biting and breaking and kernel biting is avoided; the harvester has the advantages that the transmission mechanism is simplified, the number of transmission gears is reduced, a compact closed structure is formed, good gear lubrication is guaranteed, the service life of the gears is prolonged, the layout is reasonable, the integrity is strong, the space utilization rate of the harvester is improved, the close-range installation of related parts can be facilitated, the harvesting row spacing is reduced, the harvesting at a small distance is realized, and different row spacing requirements can be met, so that the harvest without opposite rows is realized, the operation of a gearbox rotating in the reverse direction can be completed in mechanical adaptation, the plant protection machine of the gearbox can be guaranteed to operate better, and the gearbox can not break down due to the reverse rotation;
the high-roller ear picking assembly comprises an ear picking idler shaft and a high-roller ear picking output shaft, the ear picking idler shaft is provided with an ear picking idler wheel, the ear picking idler wheel is meshed with the ear picking driven bevel gear, the right end of the ear picking idler shaft extends out of the ear picking box body, and the right end of the ear picking idler shaft is fixed on the outer side of the ear picking box body through a nut; a high ear picking mechanism and a first gear are sequentially arranged on the high-roller ear picking output shaft along the axial direction, the first gear is meshed with the ear picking idle gear, the high ear picking mechanism extends out of the ear picking box body, and the right end of the high-roller ear picking output shaft is connected with the ear picking box body through a bolt; when the transmission shaft drives the ear picking driving bevel gear to rotate, the ear picking driving bevel gear is meshed with the ear picking driven bevel gear to drive rotation, the ear picking driven bevel gear is meshed with the ear picking idle gear to drive rotation, the ear picking idle gear is meshed with the first gear to drive rotation, and the first gear drives the high-roller ear picking output shaft to finally drive the ear picking mechanism to rotate.
Preferably, the low-roller ear picking assembly comprises a low-roller ear picking output shaft, a low-roller ear picking mechanism and a second gear are sequentially arranged on the low-roller ear picking output shaft along the axial direction, the second gear is meshed with the ear picking driven bevel gear, the low-roller ear picking mechanism extends out of the ear picking box body, and the right end of the low-roller ear picking output shaft is connected with the ear picking box body through a bolt; the transmission process of the low-roller snapping assembly is as follows: when the transmission shaft drives the ear picking driving bevel gear to rotate, the ear picking driving bevel gear is meshed with the ear picking driven bevel gear to drive the ear picking driven bevel gear to rotate, the ear picking driven bevel gear is meshed with the second gear to drive the ear picking driven gear to rotate, and the second gear drives the low-roller ear picking output shaft to finally drive the ear picking mechanism to rotate;
the low reel assembly comprises a low reel mechanism and a low reel transmission shaft, the low reel mechanism extends out of the ear picking box body, a low reel driven bevel gear is arranged on the low reel transmission shaft, and the low reel driven bevel gear is meshed with the low reel driving bevel gear; the transmission process of the low reel assembly is as follows: when the transmission shaft drives the low reel driving bevel gear to rotate, the low reel driving bevel gear is meshed with the low reel driven bevel gear to drive the low reel driven bevel gear to rotate, the low reel driven bevel gear drives the low reel transmission shaft to finally drive the low reel mechanism to rotate, the low reel assembly can prevent lodging corns from being omitted in the harvesting process, and the picking harvesting of the lodging corns can be realized.
Preferably, the high reel assembly comprises a high reel mechanism and a high reel transmission shaft, the high reel mechanism extends out of the ear picking box body, a high reel driven bevel gear is arranged on the high reel transmission shaft, and the high reel driven bevel gear is meshed with the high reel driving bevel gear; the transmission process of the high reel assembly is as follows: when the transmission shaft drives the high reel driving bevel gear to rotate, the high reel driving bevel gear is meshed with the high reel driven bevel gear to drive the high reel driven bevel gear to rotate, and the high reel driven bevel gear drives the high reel transmission shaft to finally drive the high reel mechanism to rotate.
Preferably, the high ear picking mechanism and the low ear picking mechanism are identical in structure and respectively comprise a spherical bearing and an ear picking roller, the spherical bearings are respectively sleeved at the left ends of the ear picking output shafts of the high roller and the low roller, the spherical bearings are connected with the ear picking rollers through cylindrical pins, the ears are picked through the opposite rotation of the ear picking rollers on the high ear picking mechanism and the low ear picking mechanism, the picked ears can be quickly separated from the ear picking rollers, and the phenomena of grain dropping and ear breaking caused by multiple collisions of the ear picking rollers are avoided.
Preferably, the high reel mechanism and the low reel mechanism have the same structure and respectively comprise reel output chain wheels, the reel output chain wheels are connected to the high reel transmission shaft and the low reel transmission shaft through driving wheel fastening nuts, and the outer end parts of the high reel transmission shaft and the low reel transmission shaft are provided with funnel type oil nozzles; adopt sprocket feed not only nos elastic sliding and the phenomenon of skidding, average drive ratio is accurate, reliable operation, transmission power is big, and the overload capacity is strong to can adapt to the muddy adverse circumstances in field, the reel mechanism adopts sprocket feed's volume will be big moreover, when gathering to the maize, advances standing grain very easily, effectively improves the results efficiency of harvester.
Preferably, the transmission shaft is connected with the ear picking box body through a deep groove ball bearing, spacer sleeves are arranged between the high reel driving bevel gear, the low reel driving bevel gear and the ear picking bevel gear and between the deep groove ball bearing and the high reel driving bevel gear, the low reel driving bevel gear and the ear picking bevel gear, the spacer sleeves are mainly arranged to limit the gear, the gear is prevented from slipping in the process of rotating on the shaft, and therefore the stability of the transmission process is guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in arranging the grain pulling transmission in and plucking the ear of grain case, not only simplify drive mechanism, reduce the drive gear number, form compact structure's closed structure, guarantee good gear lubrication, the life of extension gear, and rationally distributed, the wholeness is strong, improve the space utilization of harvester, can make things convenient for closely installing of relevant part, reduce the results row spacing, realize the microspur results, adaptable different row spacing requirement, thereby realize not having the results of going, this gearbox is applicable to the motorcycle type that the input is anticlockwise rotation simultaneously.
Drawings
Fig. 1 is the structure schematic diagram of the reverse rotation gear ear picking gearbox of the utility model.
Fig. 2 is the schematic diagram of the internal transmission structure of the ear picking gearbox of the utility model.
Fig. 3 is the structure schematic diagram of the ear picking gearbox of the utility model with a partially cut structure.
Reference numerals: 1. a snapping case body, 2, a high reel assembly, 3, a low reel assembly, 6, a transmission shaft, 7, a high roller snapping assembly, 8, a low roller snapping assembly, 9, a double-row chain wheel, 10, a single-row chain wheel, 11, a low reel driving bevel gear, 12, a high reel driving bevel gear, 13, a snapping driving bevel gear, 14, a low reel transmission shaft, 15, a low reel driven bevel gear, 16, a high reel transmission shaft, 17, a high reel driven bevel gear, 18, a reel output chain wheel, 19, a driving wheel fastening nut, 20, a funnel-type oil nozzle, 21, a spacer bush, 22, a low-roller ear picking output shaft, 23, a second gear, 24, an ear picking transmission shaft, 25, an ear picking driven bevel gear, 26, an ear picking idler shaft, 27, an ear picking idler wheel, 28, a high-roller ear picking output shaft, 29, a first gear, 30, a spherical bearing, 31, an ear picking roller, 32, a cylindrical pin, 33 and a deep groove ball bearing.
Detailed Description
The following description will explain embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a reverse rotation gear ear picking gearbox comprises an ear picking box body 1, wherein a high reel assembly and a low reel assembly are arranged at the upper part of the ear picking box body 1, a high and low roller ear picking assembly is arranged at the left side of the ear picking box body 1, a transmission shaft is arranged in the ear picking box body 1, a low reel driving bevel gear 11, an ear picking driving bevel gear 13 and a high reel driving bevel gear 12 are sequentially arranged on the transmission shaft, two ends of the transmission shaft 6 extend out of the ear picking box body 1, the left end of the transmission shaft 6 is connected with a single-row chain wheel 10, the right end of the transmission shaft 6 is connected with a double-row chain wheel 9, the high reel assembly 2 is vertically arranged above the high reel bevel gear 12, the low reel assembly 3 is vertically arranged above the low reel bevel gear 11, an ear picking transmission shaft 24 is vertically arranged above the ear picking driving bevel gear 13, the ear picking driving bevel gear 13 is meshed with an ear picking driven bevel gear 25 on the ear picking transmission shaft 24, and the high-roller and low-roller ear picking assembly 3 is arranged above the ear picking transmission shaft 24 in parallel; the harvester has the advantages that the transmission mechanism is simplified, the number of transmission gears is reduced, a compact closed structure is formed, good gear lubrication is guaranteed, the service life of the gears is prolonged, the layout is reasonable, the integrity is strong, the space utilization rate of the harvester is improved, the close-range installation of related parts can be facilitated, the harvesting row spacing is reduced, the harvesting at a small distance is realized, and different row spacing requirements can be met, so that the harvest without opposite rows is realized, the operation of a gearbox rotating in the reverse direction can be completed in mechanical adaptation, the gearbox can be guaranteed to operate better, and the gearbox cannot break down due to the reverse rotation;
the high-roller ear picking assembly 7 comprises an ear picking idler shaft 26 and a high-roller ear picking output shaft 28, the ear picking idler shaft 26 is provided with an ear picking idler wheel 27, the ear picking idler wheel 27 is meshed with the ear picking driven bevel gear 25, the right end of the ear picking idler shaft 26 extends out of the ear picking box body 1, and the right end of the ear picking idler shaft 26 is fixed on the outer side of the ear picking box body 1 through a nut; the high-roller ear picking output shaft 28 is sequentially provided with a high ear picking mechanism and a first gear 29 along the axial direction, the first gear 29 is meshed with the ear picking idle gear 27, the high ear picking mechanism extends out of the ear picking box body 1, and the right end of the high-roller ear picking output shaft 28 is connected with the ear picking box body 1 through bolts.
The low-roller ear picking assembly 8 comprises a low-roller ear picking output shaft 22, a low ear picking mechanism and a second gear 23 are sequentially arranged on the low-roller ear picking output shaft 22 along the axial direction, the second gear 23 is meshed with an ear picking driven bevel gear 25, the low ear picking mechanism extends out of the ear picking box body 1, and the right end of the low-roller ear picking output shaft 22 is connected with the ear picking box body 1 through a bolt.
As shown in fig. 3, the high reel assembly 2 comprises a high reel mechanism and a high reel transmission shaft 16, the high reel mechanism extends out of the ear picking box body 1, a high reel driven bevel gear 17 is arranged on the high reel transmission shaft 16, and the high reel driven bevel gear 17 is meshed with the high reel driving bevel gear 12; the low reel assembly comprises a low reel mechanism and a low reel transmission shaft 14, the low reel mechanism extends out of the ear picking box body 1, a low reel driven bevel gear 15 is arranged on the low reel transmission shaft 14, the low reel driven bevel gear 15 is meshed with the low reel driving bevel gear 11, the high reel mechanism and the low reel mechanism are identical in structure and respectively comprise reel output chain wheels 18, the reel output chain wheels 18 are connected to the high reel transmission shaft and the low reel transmission shaft through driving wheel fastening nuts 19, and funnel type oil nozzles 20 are arranged at the outer end parts of the high reel transmission shaft and the low reel transmission shaft.
The high ear picking mechanism and the low ear picking mechanism are identical in structure and respectively comprise a spherical bearing 30 and an ear picking roller 31, the spherical bearing 30 is respectively sleeved at the left ends of the high-roller ear picking output shaft and the low-roller ear picking output shaft, and the ear picking roller 31 is connected to the spherical bearing 30 in a pin joint mode through a cylindrical pin 32.
The transmission shaft 6 is connected with the ear picking box body 1 through a deep groove ball bearing 33, and spacer bushes 21 are arranged between the high reel driving bevel gear 12, the low reel driving bevel gear 11, the ear picking bevel gear 13 and the deep groove ball bearing 33.
The utility model has the advantages that: the utility model discloses in arranging the grain pulling transmission in plucking the ear of grain case, not only simplify drive mechanism, reduce the drive gear number, form compact structure's closed structure, guarantee that good gear is lubricated, the life of extension gear, rationally distributed moreover, the wholeness is strong, improves the space utilization of harvester, can make things convenient for the close range installation of relevant part, reduces the results line spacing, realizes the microspur results, adaptable different line spacing requirement to the realization does not have the line results.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements are all considered to be within the protection scope of the present invention.
Claims (5)
1. A counter-rotating gear ear picking gearbox comprises an ear picking box body and is characterized in that a high reel assembly and a low reel assembly are arranged at the upper part of the ear picking box body, a high roller ear picking assembly and a low roller ear picking assembly are arranged at the left side of the ear picking box body, a transmission shaft is installed in the ear picking box body, a low reel drive bevel gear, an ear picking drive bevel gear and a high reel drive bevel gear are sequentially arranged on the transmission shaft, two ends of the transmission shaft extend out of the ear picking box body, the left end of the transmission shaft is connected with a single-row chain wheel, the right end of the transmission shaft is connected with a double-row chain wheel, the high reel assembly is vertically arranged above the high reel bevel gear, the low reel assembly is vertically arranged above the low reel bevel gear, an ear picking transmission shaft is vertically arranged above the ear picking drive bevel gear, the ear picking drive bevel gear is meshed with an ear picking driven bevel gear on the ear picking transmission shaft, the high-roller ear picking assembly and the low-roller ear picking assembly are arranged above the ear picking transmission shaft in parallel, the high-roller ear picking assembly comprises an ear picking idler shaft and a high-roller ear picking output shaft, the ear picking idler shaft is provided with an ear picking idler wheel, the ear picking idler wheel is meshed with the ear picking driven bevel gear, the right end of the ear picking wheel shaft extends out of the ear picking box body, the right end of the ear picking idler shaft is fixed on the outer side of the ear picking box body through a nut, the high-roller ear picking output shaft is sequentially provided with a high ear picking mechanism and a first gear along the axial direction, the first gear is meshed with the ear picking idler wheel, the high ear picking mechanism extends out of the ear picking box body, and the right end of the high-roller ear picking output shaft is connected with the ear picking box body through a bolt.
2. The counter-rotating gear snapping gearbox of claim 1, wherein said low-roller snapping assembly comprises a low-roller snapping output shaft, said low-roller snapping output shaft being axially and sequentially provided with a low snapping mechanism and a second gear, said second gear being engaged with said snapping driven bevel gear, said low snapping mechanism extending out of said snapping bin, and a right end of said low-roller snapping output shaft being bolted to said snapping bin.
3. The counter-rotating gear ear-picking gearbox as claimed in claim 1, wherein the high reel assembly comprises a high reel mechanism and a high reel transmission shaft, the high reel mechanism extends out of the ear-picking box body, a high reel driven bevel gear is arranged on the high reel transmission shaft, the high reel driven bevel gear is meshed with the high reel driving bevel gear, the high ear-picking mechanism and the low ear-picking mechanism are identical in structure and respectively comprise a spherical bearing and an ear-picking roller, the spherical bearings are respectively sleeved at the left ends of the ear-picking output shafts of the high and low rollers, and the ear-picking rollers are pinned on the spherical bearings through cylindrical pins.
4. The reverse rotation gear ear picking gearbox as claimed in claim 1, characterized in that the low reel assembly comprises a low reel mechanism and a low reel transmission shaft, the low reel mechanism extends out of the ear picking box body, a low reel driven bevel gear is arranged on the low reel transmission shaft, the low reel driven bevel gear is meshed with the low reel driving bevel gear, the high reel mechanism and the low reel mechanism are identical in structure and comprise reel output chain wheels, the reel output chain wheels are connected to the high reel transmission shaft and the low reel transmission shaft through driving wheel fastening nuts, and funnel type oil nozzles are arranged at the outer end parts of the high reel transmission shaft and the low reel transmission shaft.
5. The reverse rotation gear snapping gearbox of claim 1, wherein the transmission shaft is connected to the snapping bin via a deep groove ball bearing, and spacer bushes are provided between the high-reel drive bevel gear, the low-reel drive bevel gear and the snapping bevel gear and the deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433751.3U CN211624099U (en) | 2019-12-30 | 2019-12-30 | Reverse rotation gear ear picking gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433751.3U CN211624099U (en) | 2019-12-30 | 2019-12-30 | Reverse rotation gear ear picking gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624099U true CN211624099U (en) | 2020-10-02 |
Family
ID=72633760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922433751.3U Active CN211624099U (en) | 2019-12-30 | 2019-12-30 | Reverse rotation gear ear picking gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624099U (en) |
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2019
- 2019-12-30 CN CN201922433751.3U patent/CN211624099U/en active Active
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Address after: 276000 North Road, 100 meters west of the intersection of Huangjin Road and Zhongzi Road, Pingyi Street, Pingyi County, Linyi City, Shandong Province Patentee after: Shandong Weihe Transmission Co.,Ltd. Address before: 023 Industrial Park, xipingyi Town, North Caiyuan Road, Zhanqian West Road, Pingyi County, Linyi City, Shandong Province Patentee before: SHANDONG WEIHE TRANSMISSION TECHNOLOGY CO.,LTD. |