CN220935725U - Ear picking gear box - Google Patents

Abstract

The utility model provides a spike picking gear box, which comprises: the harvester comprises an input shaft assembly, a harvesting idler shaft assembly, a reversing shaft assembly, a bottom cover, a shell, a left harvesting shaft assembly, a right harvesting shaft assembly, a reel driving shaft assembly, a reel middle shaft assembly, a reel output shaft assembly and a plurality of end covers, wherein the input shaft assembly, the harvesting idler shaft assembly, the reversing shaft assembly, the left harvesting shaft assembly, the right harvesting shaft assembly, the reel driving shaft assembly, the reel middle shaft assembly and the reel output shaft assembly are all installed on the shell, the bottom cover is installed at the bottom of the shell, the bottom cover is a casting piece, the end covers are detachably installed on the shell, and the positions of the end covers respectively correspond to the positions of the input shaft assembly, the left harvesting shaft assembly, the right harvesting shaft assembly and the reel output shaft assembly.

Description

Ear picking gear box

Technical Field

The utility model relates to the technical field of harvester cutting tables, in particular to a spike picking gear box.

Background

The header is one of main working parts of the harvester, and has the main functions of cutting and feeding crops so as to achieve the aim of harvesting the crops. The header mainly comprises a pickup table, a corn table, a flexible header and the like. The corn picking gear box is an important part on the corn cutting table, and has the main functions of transmitting power and driving a working part of the corn cutting table to realize the working purposes of picking, feeding, cutting and the like.

The main current spike picking gear box in the current market has the defects of strong and heavy appearance, high total weight, high failure rate, inconvenient installation and maintenance and the like.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a spike picking gear box aiming at the defects of the prior art.

The technical scheme for solving the technical problems is as follows: a spike-picking gear box comprising: the harvester comprises an input shaft assembly, a harvesting idler shaft assembly, a reversing shaft assembly, a bottom cover, a shell, a left harvesting shaft assembly, a right harvesting shaft assembly, a reel driving shaft assembly, a reel middle shaft assembly, a reel output shaft assembly and a plurality of end covers, wherein the input shaft assembly, the harvesting idler shaft assembly, the reversing shaft assembly, the left harvesting shaft assembly, the right harvesting shaft assembly, the reel driving shaft assembly, the reel middle shaft assembly and the reel output shaft assembly are all installed on the shell, the bottom cover is installed at the bottom of the shell, the bottom cover is a casting piece, the end covers are detachably installed on the shell, and the positions of the end covers respectively correspond to the positions of the input shaft assembly, the left harvesting shaft assembly, the right harvesting shaft assembly and the reel output shaft assembly.

The technical scheme of the utility model has the beneficial effects that: the end cover is independent and can be detached, and the novel layout and structure are designed, so that the spike picking gear box is light in weight, high in strength, low in failure rate, convenient to install and maintain, and low in production cost and maintenance cost. The bottom cover is a casting part, compared with a steel plate blanking part which is mainstream in the market, the weight is reduced, the cost is reduced, and the sealing performance is improved.

Further, the input shaft assembly, the left ear picking shaft assembly, the right ear picking shaft assembly, the reel driving shaft assembly, the reel intermediate shaft assembly and the reel output shaft assembly are respectively provided with bearings, the input shaft assembly, the left ear picking shaft assembly, the right ear picking shaft assembly, the reel driving shaft assembly, the reel intermediate shaft assembly and the reel output shaft assembly are respectively provided with a first boss which extends inwards and is used for supporting the bearings, and the bearings are arranged in the first bosses.

The beneficial effects of adopting the further technical scheme are as follows: the first inward bosses are arranged on the shell at the position of the input shaft assembly, the shell at the position of the left ear picking shaft assembly, the shell at the position of the right ear picking shaft assembly, the shell at the position of the reel driving shaft assembly, the shell at the position of the reel intermediate shaft assembly and the shell at the position of the reel output shaft assembly, so that the bearing is wrapped, the weight of the shell is reduced, and the mounting reliability of the bearing is improved.

Further, the bearing of the reel driving shaft assembly and the bearing of the reel intermediate shaft assembly are fixed through holes by using elastic check rings.

The beneficial effects of adopting the further technical scheme are as follows: the bearings at the reel driving shaft assembly and the reel intermediate shaft assembly are fixed by using elastic check rings for holes, so that the cost is reduced.

Further, bearing holes are formed in the shell at the reel driving shaft assembly and the shell at the reel intermediate shaft assembly, and sealing end covers are arranged at the bearing holes.

The beneficial effects of adopting the further technical scheme are as follows: the bearing holes on the shell at the reel driving shaft assembly and the bearing holes on the shell at the reel intermediate shaft assembly are sealed by the sealing end covers, so that the cost is reduced.

Further, an idler shaft is arranged in the ear picking idler shaft assembly, a reversing shaft is arranged in the reversing shaft assembly, second bosses extending inwards are arranged on the ear picking idler shaft assembly and the shell at the reversing shaft assembly, and the reversing shaft and the idler shaft are respectively arranged in the second bosses.

The beneficial effects of adopting the further technical scheme are as follows: the second inward boss is arranged on the shell at the position of the reversing shaft assembly, so that the supporting length of the reversing shaft is prolonged, the weight of the shell is reduced, and the installation reliability of the reversing shaft is improved. The second inward boss is arranged on the shell at the position of the ear picking idler shaft assembly, so that the supporting length of the idler shaft is prolonged, the weight of the shell is reduced, and the installation reliability of the idler shaft is improved.

Further, the reversing shaft includes: first axle and first bedplate, first axle with first bedplate welding, first axle inserts in the casing, first bedplate with the casing detachable connection, the idler shaft includes: the second shaft is welded with the second seat plate, the second shaft is inserted into the shell, and the second seat plate is detachably connected with the shell.

The beneficial effects of adopting the further technical scheme are as follows: the reversing shaft is formed by welding the first shaft and the first seat plate, and is arranged on the shell from outside to inside, so that the strength of the reversing shaft is improved. The idler shaft is formed by welding the second shaft and the second seat plate, and is arranged on the shell from outside to inside, so that the strength of the idler shaft is improved.

Further, a plurality of fixing holes are formed in the first seat board and the second seat board.

The beneficial effects of adopting the further technical scheme are as follows: the stable installation of the first seat board and the second seat board is facilitated.

Further, an input shaft and a drive bevel gear are arranged in the input shaft assembly, and the input shaft is connected with the drive bevel gear through a spline; the left ear picking shaft assembly is provided with a left ear picking shaft and a left ear picking gear, and the left ear picking shaft is connected with the left ear picking gear through a spline; the right ear picking shaft assembly is internally provided with a right ear picking shaft and a right ear picking gear, and the right ear picking shaft is connected with the right ear picking gear through a spline; a seedling pulling driving shaft and a seedling pulling driving gear are arranged in the seedling pulling driving shaft assembly, and the seedling pulling driving shaft is connected with the seedling pulling driving gear through a spline; a reel intermediate shaft and a reel intermediate gear are arranged in the reel intermediate shaft assembly, and the reel intermediate shaft is connected with the reel intermediate gear through a spline; the seedling pulling output shaft assembly is internally provided with a seedling pulling shaft and a seedling pulling gear, and the seedling pulling shaft is connected with the seedling pulling gear through a spline.

The beneficial effects of adopting the further technical scheme are as follows: the driving bevel gear is in spline connection with the input shaft, the left ear picking gear is in spline connection with the left ear picking shaft, the right ear picking gear is in spline connection with the right ear picking shaft, the reel driving gear is in spline connection with the reel driving shaft, the reel intermediate gear is in spline connection with the reel intermediate shaft, and the reel gear is in spline connection with the reel shaft, so that the connection strength is improved, and the fault rate is reduced.

Further, the right ear picking shaft is a gear shaft, a gear is integrally formed on the right ear picking shaft, a bearing is arranged on the right ear picking shaft, the outer diameter of the gear of the right ear picking shaft is smaller than the outer diameter of the bearing of the right ear picking shaft, a gear is integrally formed on the reel driving shaft, a bearing is arranged on the reel driving shaft, and the outer diameter of the gear of the reel driving shaft is smaller than the outer diameter of the bearing of the reel driving shaft.

The beneficial effects of adopting the further technical scheme are as follows: the right cob picking shaft is a gear shaft, an integrated gear is arranged on the gear shaft, the gear diameter of the gear is smaller than the outer diameter of a bearing for supporting the right cob picking shaft, and the right cob picking shaft can be installed through a bearing installation hole in the shell, so that the installation is convenient. The reel driving shaft is a gear shaft, an integrated gear is arranged on the reel driving shaft, the gear diameter of the gear is smaller than the outer diameter of a bearing for supporting the reel driving shaft, and the reel driving shaft can be installed through a bearing installation hole in the shell, so that the reel driving shaft is convenient to install.

Further, the end cap is detachably mounted to the housing by a plurality of bolts.

The beneficial effects of adopting the further technical scheme are as follows: the end cover is convenient to stably install on the shell.

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

Fig. 1 is a schematic structural view of an ear picking gear box according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of the structure of fig. 1 taken along section line A-A.

Fig. 3 is a cross-sectional view of the structure of fig. 1 taken along section line B-B.

Fig. 4 is a second schematic structural view of a spike-picking gear case according to an embodiment of the present utility model.

Fig. 5 is a third schematic structural view of a spike-picking gear case according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a reversing shaft according to an embodiment of the present utility model.

Fig. 7 is a cross-sectional view of the structure of fig. 6 taken along section line C-C.

FIG. 8 is a schematic view of an idler shaft according to an embodiment of the present utility model.

Fig. 9 is a cross-sectional view of the structure of fig. 8 taken along section line D-D.

Reference numerals illustrate: 1. an input shaft assembly; 2. an ear picking idler shaft assembly; 3. a reversing shaft assembly; 4. a bottom cover; 5. a housing; 6. a left cob picking assembly; 7. a right cob picking assembly; 8. a reel driving shaft assembly; 9. a reel intermediate shaft assembly; 10. a reel output shaft assembly; 11. an input sprocket; 12. an input shaft; 13. a drive bevel gear; 14. a bearing; 15. an end cap; 16. a passive bevel gear; 17. a reversing shaft; 18. a first shaft; 19. a first seat plate; 20. left ear picking shaft; 21. a left ear picking gear; 22. an idler; 23. an idler shaft; 24. a right ear picking shaft; 25. a right ear picking gear; 26. a reel driving shaft; 27. a reel driving gear; 28. a reel intermediate shaft; 29. a reel intermediate gear; 30. a reel shaft; 31. a reel gear; 32. sealing the end cover; 33. circlips for holes; 34. a second shaft; 35. and a second seat plate.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 9, an embodiment of the present utility model provides a spike-picking gear box, including: the harvester comprises an input shaft assembly 1, a harvesting idler shaft assembly 2, a reversing shaft assembly 3, a bottom cover 4, a shell 5, a left harvesting shaft assembly 6, a right harvesting shaft assembly 7, a harvesting driving shaft assembly 8, a harvesting middle shaft assembly 9, a harvesting output shaft assembly 10 and a plurality of end covers 15, wherein the input shaft assembly 1, the harvesting idler shaft assembly 2, the reversing shaft assembly 3, the left harvesting shaft assembly 6, the right harvesting shaft assembly 7, the harvesting driving shaft assembly 8, the harvesting middle shaft assembly 9 and the harvesting output shaft assembly 10 are all installed on the shell 5, the bottom cover 4 is installed at the bottom of the shell 5, the bottom cover 4 is a casting piece, a plurality of end covers 15 are detachably installed on the shell 5, and the positions of the end covers 15 respectively correspond to the positions of the input shaft assembly 1, the left harvesting shaft assembly 6, the right harvesting shaft assembly 7 and the harvesting output shaft assembly 10.

The technical scheme of the utility model has the beneficial effects that: the end cover is independent and can be detached, and the novel layout and structure are designed, so that the spike picking gear box is light in weight, high in strength, low in failure rate, convenient to install and maintain, and low in production cost and maintenance cost. The bottom cover is a casting part, compared with a steel plate blanking part which is mainstream in the market, the weight is reduced, the cost is reduced, and the sealing performance is improved.

The novel corn harvester spike picking gear box (spike picking gear box) provided by the embodiment of the utility model mainly comprises an input shaft assembly 1, a spike picking idler shaft assembly 2, a reversing shaft assembly 3, a bottom cover 4, a shell 5, a left spike picking shaft assembly 6, a right spike picking shaft assembly 7, a reel driving shaft assembly 8, a reel intermediate shaft assembly 9 and a reel output shaft assembly 10. The input shaft assembly 1, the ear picking idler shaft assembly 2, the reversing shaft assembly 3, the left ear picking shaft assembly 6, the right ear picking shaft assembly 7, the reel driving shaft assembly 8, the reel intermediate shaft assembly 9 and the reel output shaft assembly 10 are arranged on the shell 5, and a sealed gear box (ear picking gear box) is formed by sealing with the bottom cover 4. In particular: the bottom cover 4 can be a casting part, so that the weight is reduced, the cost is reduced, and the sealing performance is improved compared with a steel plate blanking part which is mainstream in the market.

The whole ear picking gear box can be in an L-shaped structure, the appearance of the ear picking gear box is optimally designed, the appearance is beautified, the weight is reduced, and the maintenance convenience is improved. In particular: the end caps 15 are independent, the number of mounting holes on the end caps 15 is 3, and each end cap 15 has 3 bolt mounting fasteners.

As shown in fig. 1 to 9, further, bearings are arranged in the input shaft assembly 1, the left ear picking shaft assembly 6, the right ear picking shaft assembly 7, the stalk pulling driving shaft assembly 8, the stalk pulling intermediate shaft assembly 9 and the stalk pulling output shaft assembly 10, and first bosses which extend inwards and are used for supporting the bearings are arranged on the shells 5 at the positions of the input shaft assembly 1, the left ear picking shaft assembly 6, the right ear picking shaft assembly 7, the stalk pulling driving shaft assembly 8, the stalk pulling intermediate shaft assembly 9 and the stalk pulling output shaft assembly 10.

The beneficial effects of adopting the further technical scheme are as follows: the first inward bosses are arranged on the shell at the position of the input shaft assembly, the shell at the position of the left ear picking shaft assembly, the shell at the position of the right ear picking shaft assembly, the shell at the position of the reel driving shaft assembly, the shell at the position of the reel intermediate shaft assembly and the shell at the position of the reel output shaft assembly, so that the bearing is wrapped, the weight of the shell is reduced, and the mounting reliability of the bearing is improved.

As shown in fig. 1 to 9, further, the bearings of the reel axle shaft assembly 8 and the bearings at the reel intermediate shaft assembly 9 are fixed by circlips 33 through holes.

The beneficial effects of adopting the further technical scheme are as follows: the bearings at the reel driving shaft assembly and the reel intermediate shaft assembly are fixed by using elastic check rings for holes, so that the cost is reduced.

As shown in fig. 1 to 9, further, bearing holes are formed on the housing 5 at the reel driving shaft assembly 8 and on the housing 5 at the reel intermediate shaft assembly 9, and a sealing end cover 32 is arranged at the bearing holes.

The beneficial effects of adopting the further technical scheme are as follows: the bearing holes on the shell at the reel driving shaft assembly and the bearing holes on the shell at the reel intermediate shaft assembly are sealed by the sealing end covers, so that the cost is reduced.

As shown in fig. 1 to 9, further, an idler shaft 23 is disposed in the ear picking idler shaft assembly 2, a reversing shaft 17 is disposed in the reversing shaft assembly 3, second bosses extending inwards are disposed on the ear picking idler shaft assembly 2 and the casing 5 at the reversing shaft assembly 3, and the reversing shaft 17 and the idler shaft 23 are respectively mounted in the second bosses.

The beneficial effects of adopting the further technical scheme are as follows: the second inward boss is arranged on the shell at the position of the reversing shaft assembly, so that the supporting length of the reversing shaft is prolonged, the weight of the shell is reduced, and the installation reliability of the reversing shaft is improved. The second inward boss is arranged on the shell at the position of the ear picking idler shaft assembly, so that the supporting length of the idler shaft is prolonged, the weight of the shell is reduced, and the installation reliability of the idler shaft is improved.

As shown in fig. 1 to 9, further, the reversing shaft 17 includes: a first shaft 18 and a first seat plate 19, the first shaft 18 is welded with the first seat plate 19, the first shaft 18 is inserted in the housing 5, the first seat plate 19 is detachably connected with the housing 5, and the idler shaft 23 includes: a second shaft 34 and a second seat plate 35, the second shaft 34 is welded with the second seat plate 35, the second shaft 34 is inserted in the housing 5, and the second seat plate 35 is detachably connected with the housing 5.

The beneficial effects of adopting the further technical scheme are as follows: the reversing shaft is formed by welding the first shaft and the first seat plate, and is arranged on the shell from outside to inside, so that the strength of the reversing shaft is improved. The idler shaft is formed by welding the second shaft and the second seat plate, and is arranged on the shell from outside to inside, so that the strength of the idler shaft is improved.

As shown in fig. 1 to 9, further, a plurality of fixing holes are provided in the first seat plate 19 and the second seat plate 35.

The beneficial effects of adopting the further technical scheme are as follows: the stable installation of the first seat board and the second seat board is facilitated.

As shown in fig. 1 to 9, further, an input shaft 12 and a drive bevel gear 13 are provided in the input shaft assembly 1, and the input shaft 12 and the drive bevel gear 13 are connected through a spline; a left spike picking shaft 20 and a left spike picking gear 21 are arranged in the left spike picking shaft assembly 6, and the left spike picking shaft 20 is connected with the left spike picking gear 21 through a spline; a right ear picking shaft 24 and a right ear picking gear 25 are arranged in the right ear picking shaft assembly 7, and the right ear picking shaft 24 is connected with the right ear picking gear 25 through a spline; a seedling pulling driving shaft 26 and a seedling pulling driving gear 27 are arranged in the seedling pulling driving shaft assembly 8, and the seedling pulling driving shaft 26 is connected with the seedling pulling driving gear 27 through a spline; a reel intermediate shaft 28 and a reel intermediate gear 29 are arranged in the reel intermediate shaft assembly 9, and the reel intermediate shaft 28 is connected with the reel intermediate gear 29 through a spline; a reel shaft 30 and a reel gear 31 are arranged in the reel output shaft assembly 10, and the reel shaft 30 is connected with the reel gear 31 through a spline.

The beneficial effects of adopting the further technical scheme are as follows: the driving bevel gear is in spline connection with the input shaft, the left ear picking gear is in spline connection with the left ear picking shaft, the right ear picking gear is in spline connection with the right ear picking shaft, the reel driving gear is in spline connection with the reel driving shaft, the reel intermediate gear is in spline connection with the reel intermediate shaft, and the reel gear is in spline connection with the reel shaft, so that the connection strength is improved, and the fault rate is reduced.

As shown in fig. 1 to 9, further, the right cob 24 is a gear shaft, a gear is integrally formed on the right cob 24, a bearing is disposed on the right cob 24, the outer diameter of the gear of the right cob 24 is smaller than the outer diameter of the bearing of the right cob 24, a gear is integrally formed on the reel driving shaft 26, a bearing is disposed on the reel driving shaft 26, and the outer diameter of the gear of the reel driving shaft 26 is smaller than the outer diameter of the bearing of the reel driving shaft 26.

The beneficial effects of adopting the further technical scheme are as follows: the right cob picking shaft is a gear shaft, an integrated gear is arranged on the gear shaft, the gear diameter of the gear is smaller than the outer diameter of a bearing for supporting the right cob picking shaft, and the right cob picking shaft can be installed through a bearing installation hole in the shell, so that the installation is convenient. The reel driving shaft is a gear shaft, an integrated gear is arranged on the reel driving shaft, the gear diameter of the gear is smaller than the outer diameter of a bearing for supporting the reel driving shaft, and the reel driving shaft can be installed through a bearing installation hole in the shell, so that the reel driving shaft is convenient to install.

As shown in fig. 1 to 9, further, the end cap 15 is detachably mounted on the housing 5 by a plurality of bolts.

The beneficial effects of adopting the further technical scheme are as follows: the end cover is convenient to stably install on the shell.

The spike picking gear box provided by the embodiment of the utility model can be a novel spike picking gear box of a corn harvester, and an input shaft assembly 1 of the spike picking gear box consists of an input chain wheel 11, an input shaft 12 and a drive bevel gear 13. The drive bevel gear 13 and the input sprocket 11 are mounted on an input shaft 12, and the input shaft 12 is supported by a bearing 14, mounted on the housing 5 and fixed by an end cover 15. In particular: the housing 5 at the input shaft assembly 1 is provided with an inward first boss which wraps around the support bearing 14, reducing the weight of the housing and increasing the reliability of the mounting of the bearing 14. In particular: the drive bevel gear 13 is in spline connection with the input shaft 12, so that the connection strength is improved, and the failure rate is reduced.

The reversing shaft assembly 3 of the novel corn harvester spike picking gear box (spike picking gear box) comprises a reversing shaft 17 and a driven bevel gear 16, wherein the driven bevel gear 16 is supported by a bearing 14 and is arranged on the reversing shaft 17, and the reversing shaft 17 is arranged on the shell 5. In particular: the second inward boss is arranged on the shell 5 at the position of the reversing shaft assembly 3, so that the supporting length of the reversing shaft 17 is prolonged, the weight of the shell is reduced, and the installation reliability of the reversing shaft 17 is improved.

In particular: the reversing shaft 17 is formed by welding a first shaft 18 and a first seat plate 19, and the reversing shaft 17 is arranged on the shell 5 from outside to inside, so that the strength of the reversing shaft 17 is improved. In particular: the number of mounting holes in the first seat plate 19 is 3.

The left cob picking shaft assembly 6 of the novel cob picking gear box (cob picking gear box) of the corn harvester in the embodiment of the utility model consists of a left cob picking shaft 20 and a left cob picking gear 21, wherein the left cob picking gear 21 is arranged on the left cob picking shaft 20, and the left cob picking shaft 20 is supported by a bearing 14, arranged on a shell 5 and fixed by an end cover 15. In particular: the first inward boss is arranged on the shell 5 at the left spike shaft assembly 6 and wraps the support bearing 14, so that the weight of the shell is reduced, and the installation reliability of the bearing 14 is improved. In particular: the left ear picking gear 21 is in spline connection with the left ear picking shaft 20, so that the connection strength is improved, and the failure rate is reduced. In particular: the end cap 15 is independent, and the number of mounting holes on the end cap 15 is 3.

The novel corn harvester spike picking gear box (spike picking gear box) spike picking idler shaft assembly 2 comprises an idler 22 and an idler shaft 23, wherein the idler 22 is supported by a bearing 14 and is arranged on the idler shaft 23, and the idler shaft 23 is arranged on a shell 5. In particular: the second inward boss is arranged on the shell 5 at the position of the ear picking idler shaft assembly 2, so that the supporting length of the idler shaft 23 is prolonged, the weight of the shell is reduced, and the installation reliability of the idler shaft 23 is improved.

In particular: the idler shaft 23 is formed by welding a second shaft 34 and a second seat plate 35, and the idler shaft 23 is arranged on the shell 5 from outside to inside, so that the strength of the idler shaft 23 is improved. In particular: the number of holes in the second seat plate 35 is 3.

The right cob assembly 7 of the novel cob picking gear box (cob picking gear box) of the corn harvester of the embodiment of the utility model consists of a right cob picking shaft 24 and a right cob picking gear 25, the right cob picking gear 25 is arranged on the right cob picking shaft 24, and the right cob picking shaft 24 is supported by a bearing 14, is arranged on a shell 5 and is fixed by an end cover 15. In particular: the first inward boss is arranged on the shell 5 at the position of the right ear picking shaft assembly 7 and wraps the supporting bearing, so that the weight of the shell is reduced, and the installation reliability of the bearing 14 is improved. In particular: the right ear picking gear 25 is in spline connection with the right ear picking shaft 24, so that the connection strength is improved, and the failure rate is reduced. In particular: the right cob 24 is a gear shaft, on which an integrated gear is provided, the gear diameter of which is smaller than the outer diameter of the bearing 14 supporting the right cob 24, and the right cob 24 can be installed through a bearing installation hole on the housing 5, thereby facilitating installation.

The novel corn harvester ear picking gear box (ear picking gear box) of the embodiment of the utility model comprises a stalk pulling driving shaft 26 and a stalk pulling driving gear 27, wherein the stalk pulling driving gear 27 is arranged on the stalk pulling driving shaft 26, the stalk pulling driving shaft 26 is supported by a bearing 14, is arranged on a shell 5 and is fixed by a hole elastic retainer ring 33, and is sealed by a sealing end cover 32. In particular: the first inward boss is arranged on the shell 5 at the reel driving shaft assembly 8 and wraps the supporting bearing 14, so that the weight of the shell is reduced, and the installation reliability of the bearing 14 is improved. In particular: the reel driving gear 27 is in spline connection with the reel driving shaft 26, so that the connection strength is improved, and the failure rate is reduced. In particular: the reel driving shaft 26 is a gear shaft, an integrated gear is arranged on the reel driving shaft, the gear diameter of the gear is smaller than the outer diameter of the bearing 14 for supporting the reel driving shaft 26, and the reel driving shaft 26 can be installed through a bearing installation hole on the shell 5, so that the reel driving shaft is convenient to install. In particular: the bearing 14 at the reel axle shaft assembly 8 is fixed by a circlip 33 for holes, thereby reducing the cost. In particular, the bearing holes on the housing 5 at the reel axle shaft assembly 8 are sealed with the sealing end caps 32, reducing costs.

The reel intermediate shaft assembly 9 of the novel corn harvester ear picking gear box (ear picking gear box) of the embodiment of the utility model consists of a reel intermediate shaft 28 and a reel intermediate gear 29, wherein the reel intermediate gear 29 is arranged on the reel intermediate shaft 28, the reel intermediate shaft 28 is supported by a bearing 14, is arranged on a shell 5 and is fixed by an elastic retainer ring 33 through a hole, and is sealed by a sealing end cover 32. In particular: the first inward boss is arranged on the shell 5 at the reel intermediate shaft assembly 9 and wraps the support bearing 14, so that the weight of the shell is reduced, and the installation reliability of the bearing 14 is improved. In particular: the reel intermediate gear 29 is in spline connection with the reel intermediate shaft 28, so that the connection strength is improved, and the failure rate is reduced. In particular: the bearing 14 at the reel intermediate shaft assembly 9 is fixed by a circlip 33 for holes, so that the cost is reduced. The bearing holes on the shell 5 at the position of the reel intermediate shaft assembly 9 are sealed by the sealing end cover 32, so that the cost is reduced.

The reel output shaft assembly 10 of the novel corn harvester ear picking gear box (ear picking gear box) of the embodiment of the utility model consists of a reel shaft 30 and a reel gear 31, wherein the reel gear 31 is arranged on the reel shaft 30, the reel shaft 30 is supported by a bearing 14, and is arranged on a shell 5 and fixed by an end cover 15. In particular: the first inward boss is arranged on the shell 5 at the reel output shaft assembly 10 and wraps the support bearing 14, so that the weight of the shell is reduced, and the installation reliability of the bearing 14 is improved. In particular: the reel gear 31 is in spline connection with the reel shaft 30, so that the connection strength is improved, and the failure rate is reduced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A spike-picking gear box, comprising: input shaft assembly (1), pluck ear of grain idler shaft assembly (2), reversing shaft assembly (3), bottom (4), casing (5), left side pluck ear of grain axle assembly (6), right side pluck ear of grain axle assembly (7), dial standing grain driving shaft assembly (8), dial standing grain jackshaft assembly (9), dial standing grain output shaft assembly (10), a plurality of end covers (15), input shaft assembly (1) pluck ear of grain idler shaft assembly (2) reversing shaft assembly (3) left side pluck ear of grain axle assembly (6) right side pluck ear of grain axle assembly (7) dial standing grain driving shaft assembly (8) dial standing grain jackshaft assembly (9) dial standing grain output shaft assembly (10) all install on casing (5), bottom (4) are the casting, a plurality of end covers (15) detachably install on casing (5), a plurality of end covers (15) the position respectively with input shaft assembly (1), left side pluck ear of grain axle assembly (6), right side pluck ear of grain axle assembly (7) and pluck the output shaft assembly (10) and the position of plucking the axle assembly.

2. The ear picking gear box according to claim 1, characterized in that bearings are arranged in the input shaft assembly (1), the left ear picking shaft assembly (6), the right ear picking shaft assembly (7), the reel driving shaft assembly (8), the reel intermediate shaft assembly (9) and the reel output shaft assembly (10), and first bosses which extend inwards and are used for supporting the bearings are arranged on the shells (5) at the positions of the input shaft assembly (1), the left ear picking shaft assembly (6), the right ear picking shaft assembly (7), the reel driving shaft assembly (8), the reel intermediate shaft assembly (9) and the reel output shaft assembly (10), and the bearings are arranged in the first bosses.

3. A gear box according to claim 2, characterized in that the bearings of the reel drive shaft assembly (8) and the bearings at the reel intermediate shaft assembly (9) are fixed by circlips (33) through holes.

4. A gear box according to claim 2, characterized in that bearing holes are provided on the housing (5) at the reel axle assembly (8) and on the housing (5) at the reel intermediate shaft assembly (9), and sealing end covers (32) are provided at the bearing holes.

5. The ear picking gear box according to claim 1, wherein an idler shaft (23) is arranged in the ear picking idler shaft assembly (2), a reversing shaft (17) is arranged in the reversing shaft assembly (3), second bosses extending inwards are arranged on the ear picking idler shaft assembly (2) and a shell (5) at the reversing shaft assembly (3), and the reversing shaft (17) and the idler shaft (23) are respectively arranged in the second bosses.

6. A spike gearbox according to claim 5, characterised in that said reversing shaft (17) comprises: first axle (18) and first bedplate (19), first axle (18) with first bedplate (19) welding, first axle (18) are inserted in casing (5), first bedplate (19) with casing (5) detachable connection, idler shaft (23) include: the second shaft (34) and the second seat board (35), second shaft (34) with second seat board (35) welding, second shaft (34) inserts in casing (5), second seat board (35) with casing (5) detachable connection.

7. A picking tooth box as claimed in claim 6, characterised in that said first seat plate (19) and said second seat plate (35) are provided with a plurality of fixing holes.

8. A picking tooth box as claimed in claim 1, characterized in that an input shaft (12) and a drive bevel gear (13) are provided in the input shaft assembly (1), said input shaft (12) being splined to said drive bevel gear (13); a left spike picking shaft (20) and a left spike picking gear (21) are arranged in the left spike picking shaft assembly (6), and the left spike picking shaft (20) is connected with the left spike picking gear (21) through a spline; a right ear picking shaft (24) and a right ear picking gear (25) are arranged in the right ear picking shaft assembly (7), and the right ear picking shaft (24) is connected with the right ear picking gear (25) through a spline; a seedling pulling driving shaft (26) and a seedling pulling driving gear (27) are arranged in the seedling pulling driving shaft assembly (8), and the seedling pulling driving shaft (26) is connected with the seedling pulling driving gear (27) through a spline; a reel intermediate shaft (28) and a reel intermediate gear (29) are arranged in the reel intermediate shaft assembly (9), and the reel intermediate shaft (28) is connected with the reel intermediate gear (29) through a spline; a reel shaft (30) and a reel gear (31) are arranged in the reel output shaft assembly (10), and the reel shaft (30) is connected with the reel gear (31) through a spline.

9. The ear picking gear box according to claim 8, wherein the right ear picking shaft (24) is a gear shaft, a gear is integrally formed on the right ear picking shaft (24), a bearing is arranged on the right ear picking shaft (24), the outer diameter of the gear of the right ear picking shaft (24) is smaller than the outer diameter of the bearing of the right ear picking shaft (24), a gear is integrally formed on the reel driving shaft (26), a bearing is arranged on the reel driving shaft (26), and the outer diameter of the gear of the reel driving shaft (26) is smaller than the outer diameter of the bearing of the reel driving shaft (26).

10. A spike gearbox according to claim 1, characterised in that the end cap (15) is detachably mounted on the housing (5) by means of a plurality of bolts.