CN220816443U - Hydraulic drive three-gear transmission for harvesting machinery - Google Patents
Hydraulic drive three-gear transmission for harvesting machinery Download PDFInfo
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- CN220816443U CN220816443U CN202322303996.0U CN202322303996U CN220816443U CN 220816443 U CN220816443 U CN 220816443U CN 202322303996 U CN202322303996 U CN 202322303996U CN 220816443 U CN220816443 U CN 220816443U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 83
- 238000003306 harvesting Methods 0.000 title claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 20
- 230000007547 defect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic drive three-gear transmission for harvesting machinery, and belongs to the technical field of agricultural machinery. The two-stage transmission type harvester solves the defects that a traditional transmission route of a traditional harvester transmission in the prior art adopts two-stage transmission, so that a large speed ratio cannot be designed, and the number of teeth of a driving gear is too small and strength cannot be guaranteed. The main structure of the transmission comprises a transmission shell, an input shaft, an intermediate shaft, a left output half shaft and a right output half shaft are arranged on the transmission shell, a first gear driving gear, a first gear transition gear, a gear and a gear shifting gear sleeve matched with a combination tooth on the first gear transition gear are arranged on the input shaft, a second gear driven duplex gear, a middle transmission pinion and a first gear driven gear in meshed transmission connection with the first gear driving gear are arranged on the intermediate shaft, a differential mechanism assembly is arranged between the left output half shaft and the right output half shaft, and a middle transmission large gear on the differential mechanism assembly is in meshed transmission connection with the middle transmission pinion on the intermediate shaft. The utility model is mainly used for harvesting machinery.
Description
Technical Field
The utility model belongs to the technical field of agricultural machinery, and particularly relates to a hydraulic drive three-gear transmission for harvesting machinery.
Background
The existing speed changer is designed in parallel for gear routes, the transmission routes adopt two-stage transmission, gears are not shared during transmission, large-speed-ratio design cannot be realized due to limited center distance, and the number of teeth of the driving wheel is reduced due to large speed ratio, so that the strength of the gears is reduced, the number of teeth of the driving gear is too small, and the strength cannot be ensured.
The Chinese patent with the grant bulletin number of CN 204878703U in the prior art discloses a three-gear transmission, the main structure of the three-gear transmission comprises a box body, a shifting fork A1 and a shifting fork B2 are arranged in the box body, a gear shifting rocker arm 3 is arranged outside the box body, an integral shifting fork mechanism connected with the shifting fork A1 and the shifting fork B2 is arranged in the box body and above the shifting fork A1 and the shifting fork B2, and the integral shifting fork mechanism is connected with the gear shifting rocker arm 3 through a spline shaft 4.
Disclosure of utility model
The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing a hydraulic drive three-gear transmission for harvesting machinery, wherein the first gear adopts four-stage transmission, a relatively large speed ratio can be designed, the number of teeth of a gear is increased, and the strength of the gear is improved.
In order to achieve the above purpose, the present utility model is realized by adopting the following technical scheme:
the utility model provides a hydraulic drive three-gear transmission for harvester, includes the derailleur casing, be provided with input shaft, jackshaft, left output semi-axis and right output semi-axis on the derailleur casing, be provided with first gear driving gear, first gear transition gear, gear and with the first gear shifting tooth cover of the combination tooth complex on the first gear transition gear on the input shaft, be provided with second gear passive duplex gear, well transmission pinion and with first gear driving gear meshing transmission connection's first gear passive gear on the jackshaft, be provided with the differential mechanism assembly between left output semi-axis and the right output semi-axis, well transmission gear on the differential mechanism assembly is connected with well transmission pinion meshing transmission on the jackshaft.
Preferably, the input shaft is further provided with a third-gear driving gear, the intermediate shaft is further provided with a gear hub, a second gear shifting gear sleeve and a third-gear driven gear in meshed transmission connection with the third-gear driving gear, the second gear shifting gear sleeve is matched with a combination tooth on the third-gear driven gear, and the second gear shifting gear sleeve is connected with the outer ring of the gear hub.
Preferably, a connecting sleeve is arranged at one end of the input shaft extending out of the transmission shell, and a hydraulic motor connecting seat is arranged outside the connecting sleeve.
Preferably, the first gear driving gear is arranged on the input shaft through a first gear driving gear needle roller and a first gear driving gear needle roller sleeve, and the first gear transition gear is arranged on the input shaft through a first gear transition gear needle roller.
Preferably, the gear on the input shaft is meshed with the left tooth of the second-gear passive duplex gear, and the first-gear transition gear is meshed with the right tooth of the second-gear passive duplex gear.
Preferably, the gear is of unitary construction with the input shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. In a first gear transmission route, power is meshed with the left tooth of a second-gear driven duplex gear through a gear on an input shaft, the right tooth of the second-gear driven duplex gear is meshed with a first-gear transition gear, a first-gear driving gear is meshed with the first-gear driven gear, and a middle transmission pinion is meshed with a middle transmission large gear on a differential mechanism assembly, so that the differential mechanism assembly is driven to rotate, the differential mechanism assembly drives an internal half shaft gear to rotate according to the principle of the differential mechanism assembly, the half shaft gear drives a left output half shaft and a right output half shaft on two sides to rotate to transmit power, the first gear adopts four-stage transmission, a larger speed ratio can be designed, the number of gear teeth is increased, the strength of the gear is improved, the traditional transmission route adopts two-stage transmission, the large speed ratio cannot be designed, the number of teeth of the driving gear is too small, and the strength cannot be ensured;
2. During a second gear transmission route, power drives an input shaft to rotate through a connecting sleeve, a gear on the input shaft is meshed with a second gear passive duplex gear, the second gear passive duplex gear drives a gear hub and an intermediate shaft to rotate through a second gear shifting gear sleeve, a middle transmission pinion is meshed with a middle transmission large gear on a differential assembly, so that the differential assembly is driven to rotate, the differential assembly drives an internal half shaft gear to rotate according to the principle of the differential assembly, and the half shaft gear drives a left output half shaft and a right output half shaft on two sides to rotate to transmit power;
3. Three-gear transmission route: the power drives the input shaft to rotate through the connecting sleeve, the input shaft drives the third-gear driving gear to rotate, the third-gear driving gear is meshed with the third-gear driven gear, the third-gear driven gear drives the gear hub and the intermediate shaft to rotate through the second gear shifting gear sleeve, the intermediate transmission pinion is meshed with the intermediate transmission large gear on the differential assembly to drive the differential assembly to rotate, the differential assembly drives the internal half shaft gear to rotate according to the principle of the differential assembly, and the half shaft gear drives the left output half shaft and the right output half shaft on two sides to rotate to transmit power.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a transmission housing; 2. a first gear drive gear; 3. first gear driving gear needle roller; 4. a first shift sleeve; 5. a first gear driving gear needle sleeve; 6. a first gear transition gear; 7. a first gear transition gear needle roller; 8. an input shaft; 9. a third gear drive gear; 10. a gear; 11. a hydraulic motor connecting seat; 12. connecting sleeves; 14. an intermediate shaft; 15. a third gear driven gear; 16. a gear hub; 17. a second shift sleeve; 18. second gear passive duplex gear; 19. a left output half shaft; 22. a side gear; 23. a differential assembly; 24. a middle transfer large gear; 26. a right output half shaft; 28. a mid-drive pinion; 30. a first gear driven gear.
Detailed Description
The utility model will now be further illustrated by means of specific examples in connection with the accompanying drawings.
Example 1:
As shown in fig. 1, a hydraulic drive three-gear transmission for a harvesting machine comprises a transmission shell 1, wherein an input shaft 8, an intermediate shaft 14, a left output half shaft 19 and a right output half shaft 26 are arranged on the transmission shell 1, a first gear driving gear 2, a first gear transition gear 6, a gear 10 and a first gear shifting gear sleeve 4 matched with a combining tooth on the first gear transition gear 6 are arranged on the input shaft 8, a second gear driven double-gear 18, a middle transmission pinion 28 and a first gear driven gear 30 which is in meshed transmission connection with the first gear driving gear 2 are arranged on the intermediate shaft 14, a differential assembly 23 is arranged between the left output half shaft 19 and the right output half shaft 26, and a middle transmission large gear 24 on the differential assembly 23 is in meshed transmission connection with a middle transmission pinion 28 on the intermediate shaft 14.
Example 2:
the utility model provides a hydraulic drive three-gear transmission for harvester, still be provided with third gear driving gear 9 on the input shaft 8, still be provided with tooth hub 16, second gear shifting tooth cover 17 and with third gear driving gear 9 meshing transmission connection's third gear driven gear 15 on the jackshaft 14, second gear shifting tooth cover 17 cooperates with the bonding tooth on the third gear driven gear 15, and second gear shifting tooth cover 17 is connected with the outer lane of tooth hub 16.
The connecting sleeve 12 is arranged at one end of the input shaft 8 extending out of the transmission shell 1, and a hydraulic motor connecting seat 11 is arranged outside the connecting sleeve 12.
The first-gear driving gear 2 is arranged on the input shaft 8 through a first-gear driving gear needle roller 3 and a first-gear driving gear needle roller sleeve 5, and the first-gear transition gear 6 is arranged on the input shaft 8 through a first-gear transition gear needle roller 7.
The gear 10 on the input shaft 8 is meshed with the left tooth of the second-gear passive duplex gear 18, and the first-gear transition gear 6 is meshed with the right tooth of the second-gear passive duplex gear 18.
In this embodiment, the gear 10 is integrally formed with the input shaft 8. The other parts are the same as in example 1.
The working principle of the utility model is as follows:
First gear transmission route: the first gear shifting gear sleeve 4 is combined with the combining teeth on the first gear shifting gear sleeve 6, the power drives the input shaft 8 to rotate through the connecting sleeve 12, the gear 10 on the input shaft 8 is meshed with the left tooth of the second gear driven double-link gear 18, the right tooth of the second gear driven double-link gear 18 drives the first gear driving gear 2 to rotate through the first gear shifting gear sleeve 6 and the first gear shifting gear sleeve 4, the first gear driving gear 2 is meshed with the first gear driven gear 30, the first gear driven gear 30 drives the middle transmission pinion 28 to rotate through the intermediate shaft 14, the middle transmission pinion 28 is meshed with the middle transmission large gear 24 on the differential assembly 23 to drive the differential assembly 23 to rotate, the differential assembly 23 drives the inner half shaft gear 22 to rotate according to the principle of the differential assembly, and the half shaft gear 22 drives the left output half shaft 19 and the right output half shaft 26 on two sides to rotate to transmit power.
Second gear transmission route: the second gear shifting gear sleeve 17 is combined with the combining teeth on the second-gear driven duplex gear 18, the power drives the input shaft 8 to rotate through the connecting sleeve 12, the gear 10 on the input shaft 8 is meshed with the second-gear driven duplex gear 18, the second-gear driven duplex gear 18 drives the gear hub 16 and the intermediate shaft 14 to rotate through the second gear shifting gear sleeve 17, the intermediate shaft 14 drives the intermediate transmission pinion 28 to rotate, the intermediate transmission pinion 28 is meshed with the intermediate transmission large gear 24 on the differential assembly 23 to drive the differential assembly 23 to rotate, the differential assembly 23 drives the internal half shaft gear 22 to rotate according to the principle of the differential assembly, and the half shaft gear 22 drives the left output half shaft 19 and the right output half shaft 26 on two sides to rotate to transmit power.
Three-gear transmission route: the second gear shifting gear sleeve 17 is combined with the combining teeth on the third-gear driven gear 15, the power drives the input shaft 8 to rotate through the connecting sleeve 12, the input shaft 8 drives the third-gear driving gear 9 to rotate, the third-gear driving gear 9 is meshed with the third-gear driven gear 15, the third-gear driven gear 15 drives the gear hub 16 and the intermediate shaft 14 to rotate through the second gear shifting gear sleeve 17, the intermediate shaft 14 drives the middle transmission pinion 28 to rotate, the middle transmission pinion 28 is meshed with the middle transmission large gear 24 on the differential assembly 23 to drive the differential assembly 23 to rotate, the differential assembly 23 drives the inner half shaft gear 22 to rotate according to the principle of the differential assembly, and the half shaft gear 22 drives the left output half shaft 19 and the right output half shaft 26 on two sides to rotate to transmit power.
Claims (6)
1. A hydraulically driven three-speed transmission for harvesting machinery, comprising a transmission housing (1), characterized in that: the transmission is characterized in that an input shaft (8), an intermediate shaft (14), a left output half shaft (19) and a right output half shaft (26) are arranged on the transmission shell (1), a first gear driving gear (2), a first gear transition gear (6), a gear (10) and a first gear shifting gear sleeve (4) matched with the combination gear on the first gear transition gear (6) are arranged on the input shaft (8), a second gear driven duplex gear (18), a middle transmission pinion (28) and a first gear driven gear (30) in meshed transmission connection with the first gear driving gear (2) are arranged on the intermediate shaft (14), a differential mechanism assembly (23) is arranged between the left output half shaft (19) and the right output half shaft (26), and a middle transmission large gear (24) on the differential mechanism assembly (23) is in meshed transmission connection with the middle transmission pinion (28) on the intermediate shaft (14).
2. The hydraulically driven three speed transmission for a harvesting machine of claim 1, wherein: the novel gear shifting device is characterized in that a third-gear driving gear (9) is further arranged on the input shaft (8), a gear hub (16), a second gear shifting gear sleeve (17) and a third-gear driven gear (15) which is in meshed transmission connection with the third-gear driving gear (9) are further arranged on the intermediate shaft (14), the second gear shifting gear sleeve (17) is matched with combining teeth on the third-gear driven gear (15), and the second gear shifting gear sleeve (17) is connected with the outer ring of the gear hub (16).
3. The hydraulically driven three speed transmission for a harvesting machine according to claim 1 or 2, characterized in that: one end of the input shaft (8) extending out of the transmission shell (1) is provided with a connecting sleeve (12), and a hydraulic motor connecting seat (11) is arranged outside the connecting sleeve (12).
4. The hydraulically driven three speed transmission for a harvesting machine according to claim 1 or 2, characterized in that: the first gear driving gear (2) is arranged on the input shaft (8) through a first gear driving gear needle roller (3) and a first gear driving gear needle roller sleeve (5), and the first gear transition gear (6) is arranged on the input shaft (8) through a first gear transition gear needle roller (7).
5. The hydraulically driven three speed transmission for a harvesting machine according to claim 1 or 2, characterized in that: the gear (10) on the input shaft (8) is meshed with the left tooth of the second-gear passive duplex gear (18), and the first-gear transition gear (6) is meshed with the right tooth of the second-gear passive duplex gear (18).
6. The hydraulically driven three speed transmission for a harvesting machine according to claim 1 or 2, characterized in that: the gear (10) and the input shaft (8) are of an integral structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322303996.0U CN220816443U (en) | 2023-08-25 | 2023-08-25 | Hydraulic drive three-gear transmission for harvesting machinery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322303996.0U CN220816443U (en) | 2023-08-25 | 2023-08-25 | Hydraulic drive three-gear transmission for harvesting machinery |
Publications (1)
Publication Number | Publication Date |
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CN220816443U true CN220816443U (en) | 2024-04-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322303996.0U Active CN220816443U (en) | 2023-08-25 | 2023-08-25 | Hydraulic drive three-gear transmission for harvesting machinery |
Country Status (1)
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CN (1) | CN220816443U (en) |
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2023
- 2023-08-25 CN CN202322303996.0U patent/CN220816443U/en active Active
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