CN218817910U

CN218817910U - Shuttle formula harvester gearbox of shifting

Info

Publication number: CN218817910U
Application number: CN202320054988.4U
Authority: CN
Inventors: 陈正华; 乔廷远; 吕业川; 翁建艇
Original assignee: Zhejiang Haitian Intelligent Technology Co ltd
Current assignee: Zhejiang Haitian Intelligent Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-04-07
Anticipated expiration: 2033-01-09

Abstract

The utility model belongs to the technical field of the gearbox, refer in particular to a shuttle formula harvester gearbox of shifting, the power distribution box comprises a box body, the box internal rotation is connected with I axle, II axles, III axles and VI axle, still includes the reverse gear axle, II axle front ends from the past backward in proper order the cover be equipped with reverse gear, diversion meshing seat and go forward the fender gear, the sliding sleeve is equipped with diversion meshing cover on the diversion meshing seat, reverse epaxial reverse gear idler of being connected with reverse gear meshing that is equipped with, III epaxial reverse gear driven gear who is connected with reverse gear idler meshing and the fender driven gear that goes forward that is connected with the fender gear meshing, be connected through gear change gear assembly between I axle and II axles and/or between III axles and the VI axle, gear change gear assembly switches the fender position through meshing cover gear change gear assembly. The forward gear and the reverse gear of the utility model have the same gear, thereby meeting the requirements of different terrain operations; and the operation is convenient.

Description

Shuttle formula harvester gearbox of shifting

The technical field is as follows:

the utility model belongs to the technical field of the gearbox, refer in particular to a shuttle formula harvester gearbox of shifting.

Background art:

chinese utility model patent 2009201843.6 discloses a harvester gearbox assembly, mainly including: the transmission device comprises a box body, a differential assembly, a driving shaft sleeve assembly, a brake, a shaft I, a shaft II, a shaft III and a shaft IV, wherein two ends of the shaft I, the shaft II, the shaft III and the shaft IV are supported on the box body through bearings, the shaft IV is a gear shaft, an involute spline on the shaft is connected with an engagement tooth holder and a bushing, the engagement sleeve is in sliding connection with the engagement tooth holder through the involute spline, a gear I-III driven gear, a gear IV-VI driven gear, a gear II-V gear and a reverse gear driven gear rotate on the bushing in an idle mode, one end of each idle gear is provided with an involute spline which is the same as an external spline of the engagement tooth holder, and the requirement of speed change and torque change is met by moving the engagement sleeve through a shifting fork to be engaged with the external spline at one end of the gear. The power transmission process of the harvester gearbox assembly is as follows: torque is input by a key end of an I shaft (a clutch belt wheel assembly is arranged at a spline of the I shaft), a gear of the I shaft is arranged on the I shaft through a flat key, and the gear of the I shaft is meshed with an auxiliary variable speed high-speed gear fixedly connected with the II shaft through a rectangular spline; the shaft II is also fixedly connected with an auxiliary variable-speed low-speed gear through a rectangular spline; when the auxiliary transmission meshing sleeve on the shaft III is in a neutral position state, the auxiliary transmission low-speed driven gear and the auxiliary transmission high-speed driven gear are in an idle running state; when the auxiliary speed-changing low-speed meshing sleeve is combined with the external spline of the auxiliary speed-changing low-speed driven gear, the auxiliary speed-changing low-gear state is achieved. When the meshing sleeve on the IV shaft is combined with the external spline of the I-III driven gear, the main transmission of the gearbox is in a I-gear state, the torque is transmitted to the final transmission driving gear shaft through the gear on the IV shaft and the left and right semi-shaft gears in the differential assembly, and the gear on the final transmission driving gear shaft is meshed with the final transmission driven gear to drive the rotation of the driving shaft, so that the walking function is realized; when the meshing sleeve on the IV shaft is combined with the external spline of the IV-VI driven gear, the main speed of the gearbox is in an IV gear; when the meshing sleeve on the IV shaft is combined with the external spline of the II-V gear driven gear, the main speed change of the gearbox is in the II gear; when the meshing sleeve on the IV shaft is combined with the external spline of the reverse driven gear, the main speed change of the gearbox is in a reverse gear; when the auxiliary speed-changing meshing sleeve is combined with the external spline of the auxiliary speed-changing high-speed driven gear, the main speed-changing is changed from a first gear to a third gear; IV gear is changed into VI gear; and the gear II is changed into the gear V. Thus, there are 6 forward gears, one reverse gear. Wherein, I, II, IV are low gear, III, V, VI are high gear, the final drive gear pair is a built-in and external meshed straight-tooth cylindrical gear.

The harvester only has one reverse gear, and cannot meet the requirements of different terrain operations; when the forward gear is adjusted to the reverse gear, all the meshing sleeves need to be adjusted to a neutral state, and then the meshing sleeves on the IV shaft are combined with the external splines of the reverse driven gear; when the reverse gear is adjusted to the forward gear, the meshing sleeve combined with the external spline of the reverse driven gear needs to be adjusted to a neutral gear state, and then other meshing sleeves are adjusted, so that the operation is inconvenient.

The invention content is as follows:

the utility model aims at providing a gear box of a shuttle type gear-shifting harvester, which has the same forward gear and reverse gear, and meets the requirements of different terrain operations; and the operation is convenient.

The utility model discloses a realize like this:

the utility model provides a shuttle formula harvester gearbox of shifting, includes the box, the box internal rotation is connected with I axle, II axles, III axles and VI axle, still includes the reverse gear axle, II axle front ends from the past backward in proper order the cover be equipped with reverse gear, diversion meshing seat and the fender gear that advances, and the diversion meshing seat goes up the slip cover and is equipped with diversion meshing cover, reverse epaxial reverse gear idler of being connected with reverse gear meshing that is equipped with, III epaxial reverse gear driven gear who is connected with reverse gear idler meshing and the fender driven gear that advances that is connected with the fender gear meshing that advances that is equipped with, be connected through gear change assembly between I axle and II axle and/or between III axle and the VI axle, gear change assembly shifts the position through meshing cover.

In the shuttle-type gear-shifting harvester gearbox, the shaft I and the shaft II and the shaft III and the shaft VI are respectively connected through a speed change gear assembly, and the speed change gear assembly is a two-gear speed change gear assembly.

In the gearbox of the shuttle-type gear-shifting harvester, the two speed-changing gear assemblies are both positioned at the rear end.

In the shuttle-type gear-shifting harvester gearbox, the shaft I is connected with the shaft II through a speed change gear assembly, the speed change gear assembly is a four-gear speed change gear assembly, and the shaft III is in meshed connection with the shaft VI through a meshed driving gear sleeved on the shaft III and a meshed driven gear sleeved on the shaft VI.

In the shuttle type gear-shifting harvester gearbox, the shaft I and the shaft II and the shaft III and the shaft VI are respectively connected through a speed change gear assembly, the speed change gear assembly between the shaft I and the shaft II is a four-gear speed change gear assembly, and the speed change gear assembly between the shaft III and the shaft VI is a two-gear speed change gear assembly.

In the transmission case of the shuttle-type gear-shifting harvester, one end of the reverse gear shaft is fixedly arranged on the box body and sealed by the O-shaped ring, the other end of the reverse gear shaft extends into the box body and is sleeved with the reverse gear idler, and the reverse gear shaft is provided with a fixed block for limiting the reverse gear idler.

In the gearbox of the shuttle-type gear-shifting harvester, a first adjusting pad sleeved on the reverse gear shaft is arranged between the box body and the reverse gear idler, and a second adjusting pad sleeved on the reverse gear shaft is arranged between the reverse gear idler and the fixed block.

In the shuttle-type gear-shifting harvester gearbox, a differential assembly connected with a VI shaft is arranged in the box body, and a left half shaft and a right half shaft of the differential assembly are respectively in meshed connection with a left driving shaft gear and a right driving shaft gear of the harvester.

Compared with the prior art, the utility model has the outstanding advantages that:

the forward gear and the reverse gear of the utility model have the same gear, thereby meeting the requirements of different terrain operations; the meshing sleeve for adjusting the forward and backward directions does not conflict with the meshing sleeve for adjusting the speed gear, namely when the meshing sleeve is in a forward gear, the meshing sleeve can be directly adjusted to a backward gear without adjusting the speed gear, and when the meshing sleeve is in a reverse gear, the meshing sleeve can also be directly adjusted to the forward gear without adjusting the speed gear, so that the operation is convenient, and the forward and backward switching is convenient; the utility model adopts a full-meshing sleeve gear shifting mode, the gear shifting stroke is short, and the operation is simple and convenient; the utility model discloses rationally distributed, realized reaching the fender position quantity that needs with minimum gear, greatly reduced the cost of product and improve product market competition.

Description of the drawings:

fig. 1 is a cross-sectional view of a first embodiment of the present invention;

fig. 2 is a sectional view of a second embodiment of the present invention;

fig. 3 is a sectional view of a third embodiment of the present invention.

Reference numerals: 1. a box body; 2. i, shaft I; 3. II, shaft II; 4. a shaft III; 5. a VI shaft; 6. a reverse gear shaft; 7. a reverse gear; 8. a direction-changing engagement seat; 9. a forward gear; 10. a direction-changing meshing sleeve; 11. a reverse gear idler wheel; 12. a reverse driven gear; 13. a forward gear driven gear; 14. meshing the driving gear; 15. engaging the driven gear; 16. a fixed block; 17. adjusting a first cushion; 18. a second adjusting pad; 19. a differential assembly.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, and with reference to figures 1 to 3:

the first embodiment is as follows:

a gear box of a shuttle type gear-shifting harvester comprises a box body 1, wherein a shaft I2, a shaft II 3, a shaft III 4 and a shaft VI 5 are rotationally connected in the box body 1, the gear box further comprises a reverse gear shaft 6, a reverse gear 7, a turning meshing seat 8 and a forward gear 9 are sequentially sleeved at the front end of the shaft II 3 from front to back, a turning meshing sleeve 10 is slidably sleeved on the turning meshing seat 8, a reverse gear idler 11 meshed and connected with the reverse gear 7 is arranged on the reverse gear shaft 6, be equipped with on III axle 4 with the driven gear 12 of reversing gear that 11 meshing of idler of reversing gear are connected and with the driven gear 13 of keeping off that advances that 9 meshing of gear are connected, be connected through gear change gear assembly between I axle 2 and II axle 3 and between III axle 4 and the VI axle 5 respectively, gear change gear assembly is two gear change gear assembly, gear change gear assembly shifts the subassembly through the meshing cover and switches the fender position, be equipped with the differential mechanism assembly 19 of connecting VI axle 5 in the box 1, differential mechanism assembly 19 left and right sides semi-axis is connected with the left and right sides drive shaft gear meshing of harvester respectively. In the embodiment, the first shaft 2 and the second shaft 3 and the third shaft 4 and the VI shaft 5 are respectively connected through a two-gear speed change gear assembly, so that the switching of four gears can be realized totally.

The utility model discloses a theory of operation: as shown in fig. 1, when the direction-changing meshing sleeve 10 is combined with the forward gear 9, the torque input by the shaft i 2 is transmitted to the shaft vi 5 through the shafts ii 3 and iii 4, and then transmitted to the left and right driving shafts of the harvester through the differential assembly 19, so that the harvester is driven to move forward, various operations are performed by the harvester, and the variable-speed gear assembly realizes multiple gears; when the direction-changing meshing sleeve 10 is combined with the reverse gear 7, the torque input by the shaft I2 is transmitted to the shaft VI 5 through the shaft II 3, the reverse gear shaft 6 and the shaft III 4, and then transmitted to the left and right driving shafts of the harvester through the differential assembly 19, so that the backward movement of the harvester is realized, the harvester is driven to perform various operations, and the multi-gear is realized through the speed change gear assembly.

The forward gear and the reverse gear of the utility model have the same gear, thereby meeting the requirements of different terrain operations; the meshing sleeve for adjusting the forward and backward directions does not conflict with the meshing sleeve for adjusting the speed gear, namely when the meshing sleeve is in the forward gear, the meshing sleeve can be directly adjusted to the backward gear without adjusting the speed gear, and when the meshing sleeve is in the reverse gear, the meshing sleeve can be directly adjusted to the forward gear without adjusting the speed gear, so that the operation is convenient, and the forward and backward switching is convenient; the utility model adopts a full-meshing sleeve gear shifting mode, the gear shifting stroke is short, and the operation is simple and convenient; the utility model discloses rationally distributed, realized reaching the fender position quantity that needs with minimum gear, greatly reduced the cost of product and improve product market competition.

For reasonable layout, both speed change gear assemblies are located at the rear end.

Mounting manner of the reverse idle gear 11: one end of the reverse gear shaft 6 is fixedly arranged on the box body 1 and sealed through an O-shaped ring, the other end of the reverse gear shaft extends into the box body 1 and is internally sleeved with a reverse gear idler 11, and a fixing block 16 for carrying out rear limiting on the reverse gear idler 11 is arranged on the reverse gear shaft 6.

In order to adjust the position of the reverse gear idle wheel 11, a first adjusting pad 17 sleeved on the reverse gear shaft 6 is arranged between the box body 1 and the reverse gear idle wheel 11, and a second adjusting pad 18 sleeved on the reverse gear shaft 6 is arranged between the reverse gear idle wheel 11 and the fixed block 16.

The second embodiment:

the structure of this embodiment is substantially the same as that of the first embodiment, and the main differences are as follows: the I shaft 2 is connected with the II shaft 3 through a speed change gear assembly, the speed change gear assembly is a four-gear speed change gear assembly, and the III shaft 4 is in meshed connection with the VI shaft 5 through a meshed driving gear 14 sleeved on the III shaft 4 and a meshed driven gear 15 sleeved on the VI shaft 5. As shown in fig. 2, the second shaft i 2 and the second shaft ii 3 of the present embodiment are connected through a four-gear speed change gear assembly, so that the switching of four gears can be realized.

Example three:

the structure of this embodiment is substantially the same as that of the first embodiment, and the main differences are as follows: the I shaft 2 and the II shaft 3 and the III shaft 4 and the VI shaft 5 are connected through speed change gear assemblies respectively, the speed change gear assembly between the I shaft 2 and the II shaft 3 is a four-gear speed change gear assembly, and the speed change gear assembly between the III shaft 4 and the VI shaft 5 is a two-gear speed change gear assembly. As shown in fig. 3, in this embodiment, the third shaft i 2 is connected to the second shaft ii 3 through a four-gear shift gear assembly, and the third shaft iii 4 is connected to the sixth shaft vi 5 through a two-gear shift gear assembly, so that eight gears can be switched in total.

Example four:

the structure of this embodiment is substantially the same as that of the first embodiment, and the main difference is that: the shaft I2 is meshed with the shaft II 3 through a transmission driving gear sleeved on the shaft I2 and a transmission driven gear sleeved on the shaft II 3, the shaft III 4 is connected with the shaft VI 5 through a speed change gear assembly, and the speed change gear assembly is a four-gear speed change gear assembly. In the embodiment, the second III shaft 4 and the VI shaft 5 are connected through a four-gear speed change gear assembly, so that the switching of four gears can be realized.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a shuttle formula harvester gearbox of shifting, includes box (1), box (1) internal rotation is connected with I axle (2), II axle (3), III axle (4) and VI axle (5), its characterized in that: still include reverse gear axle (6), II axle (3) front end is equipped with reverse gear (7), diversion meshing seat (8) and the fender gear (9) that advances backward in the past in proper order, and sliding sleeve is equipped with diversion meshing cover (10) on diversion meshing seat (8), be equipped with on reverse gear axle (6) and keep off idler (11) with reverse gear (7) meshing connection, be equipped with on III axle (4) with reverse gear idler (11) meshing connection reverse gear driven gear (12) and with advance fender gear (9) meshing connection advance fender driven gear (13), be connected through gear change gear assembly between I axle (2) and II axle (3) and/or between III axle (4) and VI axle (5), gear change gear assembly switches over the fender position through the meshing cover subassembly that shifts.

2. The shuttle shifting harvester gearbox of claim 1, wherein: the first shaft (2) and the second shaft (3) are connected with each other through a speed change gear assembly, the third shaft (4) and the VI shaft (5) are connected with each other through a speed change gear assembly, and the speed change gear assembly is a two-gear speed change gear assembly.

3. The shuttle shifting harvester gearbox of claim 2, wherein: both speed change gear assemblies are located at the rear end.

4. The shuttle shifting harvester gearbox of claim 1, wherein: the first shaft (2) is connected with the second shaft (3) through a speed change gear assembly, the speed change gear assembly is a four-gear speed change gear assembly, and the third shaft (4) is meshed with the VI shaft (5) through a meshed driving gear (14) sleeved on the third shaft (4) and a meshed driven gear (15) sleeved on the VI shaft (5).

5. The shuttle shift harvester gearbox of claim 1, wherein: the first shaft (2) and the second shaft (3) and the third shaft (4) and the sixth shaft (5) are connected through a speed change gear assembly respectively, the speed change gear assembly between the first shaft (2) and the second shaft (3) is a four-gear speed change gear assembly, and the speed change gear assembly between the third shaft (4) and the sixth shaft (5) is a two-gear speed change gear assembly.

6. The shuttle shifting harvester gearbox of claim 1, wherein: one end of the reverse gear shaft (6) is fixedly arranged on the box body (1) and sealed through an O-shaped ring, the other end of the reverse gear shaft extends into the box body (1) and is internally provided with a reverse gear idler (11), and a fixing block (16) for performing rear limiting on the reverse gear idler (11) is arranged on the reverse gear shaft (6).

7. The shuttle shifting harvester gearbox of claim 6, wherein: a first adjusting pad (17) sleeved on the reverse gear shaft (6) is arranged between the box body (1) and the reverse gear idle wheel (11), and a second adjusting pad (18) sleeved on the reverse gear shaft (6) is arranged between the reverse gear idle wheel (11) and the fixed block (16).

8. The shuttle shifting harvester gearbox of claim 1, wherein: a differential assembly (19) connected with a VI shaft (5) is arranged in the box body (1), and a left half shaft and a right half shaft of the differential assembly (19) are respectively in meshed connection with a left driving shaft gear and a right driving shaft gear of the harvester.