CN112277637A - Harvester front drive axle assembly - Google Patents
Harvester front drive axle assembly Download PDFInfo
- Publication number
- CN112277637A CN112277637A CN202011180682.0A CN202011180682A CN112277637A CN 112277637 A CN112277637 A CN 112277637A CN 202011180682 A CN202011180682 A CN 202011180682A CN 112277637 A CN112277637 A CN 112277637A
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- Prior art keywords
- shaft
- gear
- main box
- box body
- speed change
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
- B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Of Transmissions (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention provides a front drive axle assembly of a harvester, and belongs to the technical field of agricultural machinery. The stepless speed change device solves the technical problems of low transmission efficiency, poor reliability and the like of realizing stepless speed change. The harvester front drive axle assembly comprises a main box body, a first shaft, a planetary reduction mechanism, a differential mechanism and a second shaft connected with the differential mechanism, wherein one end of the first shaft is provided with a belt pulley, the planetary reduction mechanism comprises a planetary frame connected with the second shaft and a central gear shaft capable of driving the planetary frame, the planetary frame is provided with a gear ring, and the first shaft is provided with a tooth part meshed with the gear ring; the main box body is provided with an HST hydraulic stepless speed change driving device, an input shaft and an output shaft of the HST hydraulic stepless speed change driving device are respectively connected with a shaft and a central gear shaft, both sides of the main box body are provided with tail end transmission boxes, the main box body is connected with the tail end transmission boxes through a front axle beam, and a differential mechanism is in transmission connection with the tail end transmission boxes. The planetary reduction mechanism is combined with the HST hydraulic stepless speed change driving device, so that the transmission efficiency is high, and the reliability is good.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and relates to a front drive axle assembly of a harvester.
Background
The harvester transaxle of prior art adopts dry friction clutch input to add the route of gear drive, also adopts current derailleur to install transition dish additional and connect hydraulic speed change device, and the not enough of these two kinds of structures lies in: the hydraulic transmission has the advantages of multiple gears, complex structure, frequent gear engagement, easy sintering of clutch friction plates with clutch type structures, low efficiency of the hydraulic transmission, poor rigidity of additionally arranged transition discs, low installation precision, large appearance volume and poor installation performance on the whole machine.
Chinese patent (publication number: CN 205395765U; publication date: 2016-07-27) discloses a harvesting machine front drive axle box assembly with a stepless speed change mechanism, which comprises a left wheel side speed reducer assembly, a front axle beam welded joint, a gearbox assembly with the stepless speed change mechanism, a brake disc and a right wheel side speed reducer assembly, wherein the gearbox with the stepless speed change mechanism comprises a gearbox shell, a top cover assembly, an oil drain plug screw and a brake belt assembly; a first shaft, a middle shaft, a left half shaft, a right half shaft, a reverse gear fork shaft and a two-three gear fork shaft are arranged in the gearbox shell, the left half shaft is connected with the differential assembly through a flange plate II, and the right half shaft is connected with the differential assembly through a flange plate I; a stepless speed change belt pulley assembly, a clutch pressure plate assembly, a three-gear driving gear and a reverse gear driving gear are arranged on one shaft from left to right; a third-gear driven gear assembly, a second third-gear hub, a second third-gear sleeve, a second driven gear, a first-gear driven gear assembly, a reverse gear hub, a reverse gear sleeve and a reverse gear driven gear assembly are arranged on the intermediate shaft from left to right; an integral bearing cover is arranged on the left side of the first shaft and the middle shaft in a welded mode, a reverse gear idler wheel arranged on a reverse gear idler wheel shaft is arranged between the reverse gear driving gear and the reverse gear driven gear assembly, and a reverse gear shifting fork is arranged on a reverse gear fork shaft; the second and third gear fork shafts are provided with a second and third gear shifting fork and a second and third gear shifting head, the first gear driven gear assembly is meshed with the first shaft, and the first shaft is meshed with the second gear driven gear; the three-gear driving gear is meshed with the three-gear driven gear assembly, and the reverse gear idler gear is meshed with the reverse gear driving gear and simultaneously meshed with the reverse gear driven gear assembly; the top cap assembly is installed at the top of gearbox casing, and the oil drain plug screw is located the lower extreme of gearbox casing, and the right side at the jackshaft is installed to the braking area assembly.
The harvesting machine front drive axle box assembly with the stepless speed change mechanism disclosed in the patent documents has a complicated transmission structure for realizing stepless speed change, low transmission efficiency and poor reliability of stepless speed change.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a front drive axle assembly of a harvester, and the technical problems to be solved by the invention are as follows: how to improve the transmission efficiency of realizing the stepless speed change and improve the reliability of the stepless speed change.
The purpose of the invention can be realized by the following technical scheme:
a harvester front drive axle assembly comprises a main box body and is characterized in that a first shaft, a planetary reduction mechanism, a differential mechanism and a second shaft in transmission connection with the differential mechanism are arranged in the main box body, one end of the first shaft penetrates out of the main box body, a belt pulley is fixedly arranged at the end part of the first shaft, the planetary reduction mechanism comprises a planetary frame connected with the second shaft and a central gear shaft capable of driving the planetary frame to rotate, a gear ring is arranged on the planetary frame, and a tooth part capable of being meshed with the gear ring is arranged on the periphery of the first shaft; the side of the main box body is provided with an HST hydraulic stepless speed change driving device, one shaft can drive an input shaft of the HST hydraulic stepless speed change driving device to rotate, an output shaft of the HST hydraulic stepless speed change driving device can drive the central gear shaft to rotate, two ends of the main box body are respectively provided with a tail end transmission box, the main box body and the two tail end transmission boxes are connected into an integral component through a front axle beam, the differential mechanism is connected with two half shafts, and the two half shafts respectively extend out of two sides of the main box body and are respectively connected with the corresponding input shafts of the tail end transmission boxes.
The working principle is as follows: in the technical scheme, an engine drives a belt pulley of a first shaft to rotate so as to rotate the first shaft, the first shaft transmits power to a gear ring of a planetary frame through a tooth part, meanwhile, the first shaft transmits the power to an input shaft of an HST hydraulic stepless speed change driving device, the HST hydraulic stepless speed change driving device adjusts the rotating speed through an output shaft and then transmits the rotating speed to a central gear shaft, the central gear shaft and the gear ring transmit the power to the planetary frame and transmit the power to a second shaft, the second shaft transmits the power to a differential mechanism, the differential mechanism transmits the power to an input shaft of a tail end box through a half shaft, an HST control handle adjusts the rotating speed of the output shaft of the hydraulic stepless speed change driving device, so that the planetary frame of a planetary speed reduction mechanism realizes forward and reverse rotation and stepless speed change of the output of the planetary frame under the common transmission of the central gear shaft and the gear ring, the transmission efficiency is higher, and then the reliability of infinitely variable is improved.
In the front drive axle assembly of the harvester, an input shaft and an output shaft of the HST hydraulic stepless speed change driving device are respectively connected with an HST input gear shaft and an HST output gear shaft, an input gear is arranged on the HST input gear shaft, an output gear is arranged on the HST output gear shaft, one end of the shaft, which is far away from the belt pulley, is located in the main box body, a driving gear which can be meshed with the input gear is fixedly arranged at the position, which is close to the end, of the shaft, and a driven gear which is meshed with the output gear is arranged on the central gear shaft. The power is transmitted to the input shaft of the HST hydraulic stepless speed change driving device through the meshing of the driving gear and the input gear, and the power is transmitted to the central gear shaft from the output shaft of the HST hydraulic stepless speed change driving device through the meshing of the output gear and the driven gear, so that the connection precision of the main box body and the HST hydraulic stepless speed change driving device is high, and the transmission efficiency is improved.
In the front drive axle assembly of the harvester, the main box body is internally provided with a three-shaft which can transmit power to the differential mechanism from the two shafts, the two shafts are provided with a low-gear driving gear, a high-gear driving gear and a meshing sleeve which is in sliding fit between the low-gear driving gear and the high-gear driving gear, and the three-shaft is provided with a low-gear driven gear which is meshed with the low-gear driving gear and a high-gear driven gear which is meshed with the high-gear driving gear. The three shafts rotate in high-grade or low-grade and drive the differential mechanism to rotate, the high-grade and low-grade switching is realized by utilizing the meshing sleeve, the operation is simple and convenient, the impact in the gear shifting process is small, and the gear shifting reliability is good.
In the front drive axle assembly of the harvester, the main box body comprises a reduction box and a gearbox, the first shaft, the second shaft and the third shaft are all arranged in the gearbox in a penetrating mode, the planetary reduction mechanism, the tooth part on the first shaft and the driving gear are all located in the reduction box, the differential is located in the gearbox, the first shaft is arranged behind the gearbox, the second shaft is located in front of the first shaft, and the third shaft is located in front of the second shaft. The reduction gearbox and the gearbox are arranged, so that parts can be conveniently positioned in respective chambers respectively, and mutual interference is prevented.
In the front drive axle assembly of the harvester, a connecting shaft is arranged between each half shaft on the differential mechanism and the corresponding input shaft of the tail end transmission box, a flange shaft is further arranged in the tail end transmission box, a first transmission gear is arranged on the input shaft of the tail end transmission box, and a second transmission gear meshed with the first transmission gear is arranged on the flange shaft. The differential mechanism transmits power to the input shaft of the tail end box through the half shaft and the connecting shaft, and the input shaft of the tail end box transmits the power to the flange shaft through the first transmission gear and the second transmission gear, so that power output is realized.
In the front drive axle assembly of the harvester, one end of the three shafts extends out of the gearbox, the end of the three shafts is connected with the parking brake, and the input shaft of the tail end transmission box is connected with the service brake. The parking brake is operated by a lever, and the service brake is operated by hydraulic pressure, so that the brake force is large and the reliability is good.
In the front drive axle assembly of the harvester, the front axle beam comprises a tubular beam, two transition discs arranged at two ends of the tubular beam, two supporting seats fixedly arranged at the upper side of the tubular beam at intervals and two oil cylinder supporting seats arranged at the front lower side of the tubular beam at intervals, a braking supporting seat used for installing the service brake is respectively arranged at a position close to the two transition discs on the tubular beam, two main box connecting seats are fixedly arranged at the middle part of the tubular beam at intervals, and two main box mounting brackets connected with the corresponding main box connecting seats are arranged at the front end of the main box body. The structure of the front bridge enables the main box body and the two tail end transmission boxes to be connected into an integral part, and the connection performance when the front bridge is assembled with a whole machine is improved.
Compared with the prior art, the invention has the following advantages:
1. the planetary reduction mechanism and the HST hydraulic stepless speed change driving device are combined to realize stepless speed change, the transmission structure is simple, the transmission efficiency is high, and the reliability of the stepless speed change is improved.
2. The main box body is directly connected with the HST hydraulic stepless speed change driving device, so that the mounting precision is high, and the rigidity and the assembly performance are good.
Drawings
Fig. 1 is a cross-sectional view of the front drive axle assembly of the harvester.
Fig. 2 is a first cross sectional view of the main box body in the front drive axle assembly of the harvester.
FIG. 3 is a second sectional view of the main box of the front drive axle assembly of the harvester.
Fig. 4 is a cross-sectional view of the end gearbox of the front drive axle assembly of the harvester.
Fig. 5 is a schematic structural diagram of a front bridge in the front drive axle assembly of the harvester.
FIG. 6 is a side view of the service brakes of the front drive axle assembly of the present harvester.
In the figure, 1, a main box body; 1a, a reduction gearbox; 1b, a gearbox; 2. a shaft; 2a, a tooth part; 3. a planetary reduction mechanism; 31. a planet carrier; 31a, a ring gear; 32. a central gear shaft; 33. a driven gear; 4. a differential mechanism; 5. two axes; 6. a belt pulley; 7. an HST hydraulic stepless speed change driving device; 8. a terminal transmission case; 9. a front bridge; 91. a tubular beam; 92. a transition disk; 93. a supporting seat; 94. an oil cylinder support; 95. a brake support; 96. a main tank connecting seat; 10. a half shaft; 11. an HST input gear shaft; 12. an HST output gear shaft; 13. an input gear; 14. an output gear; 15. a drive gear; 16. three axes; 17. a low range drive gear; 18. a high-grade driving gear; 19. an engagement sleeve; 20. a low-gear driven gear; 21. a high-grade driven gear; 22. a connecting shaft; 23. a flange shaft; 24. a first transmission gear; 25. a second transmission gear; 26. a parking brake; 27. a service brake; 28. the main tank mounting bracket.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, the front drive axle assembly of the harvester in the embodiment includes a main box 1, the main box 1 includes a reduction box 1a and a transmission case 1b, a planetary reduction mechanism 3 is disposed in the reduction box 1a, a first shaft 2, a second shaft 5, a third shaft 16 and a differential 4 are disposed in the transmission case 1b, the first shaft 2 is disposed behind the transmission case 1b, the second shaft 5 is disposed in front of the first shaft 2, the third shaft 16 is disposed in front of the second shaft 5, one end of the first shaft 2 penetrates through the transmission case 1b and is disposed outside the main box 1, a belt pulley 6 is fixedly disposed at the end of the first shaft, the other end of the first shaft 2 penetrates through the transmission case 1b and is disposed in the reduction box 1a, a driving gear 15 is fixedly disposed at a position on the first shaft 2 near the first shaft, a gear shaft 2a is further disposed at a position in the reduction box 1a at the outer periphery of the first shaft 2, an HST hydraulic stepless, an HST output gear shaft 12 is connected on an output shaft of an HST hydraulic stepless speed change driving device 7, an input gear 13 meshed with a driving gear 15 is arranged on an HST input gear shaft 11, an output gear 14 is arranged on an HST output gear shaft 12, a planetary reduction mechanism 3 comprises a central gear shaft 32 positioned in a reduction box 1a and a planetary frame 31 connected with a secondary shaft 5, a driven gear 33 meshed with the output gear 14 is arranged on the central gear shaft 32, the central gear shaft 32 and a gear ring 31a can transmit power to the planetary frame 31 to drive the secondary shaft 5 to rotate, a low-gear driving gear 17, a high-gear driving gear 18 and a meshing sleeve 19 are arranged on the secondary shaft 5, the meshing sleeve 19 is positioned between the low-gear driving gear 17 and the high-gear driving gear 18 and can slide on the secondary shaft 5 to be matched with the low-gear driving gear 17 or slide to be matched with the high-gear driving gear 18, a low-gear driven gear 20 meshed with the low-gear driving gear 17 and a high The range driven gear 21, one end of the three shafts 16 extending outside the transmission case 1b is located outside the main case 1 and the parking brake 26 is connected to the end.
Further, as shown in fig. 1, 2, 4, 5 and 6, two end transmission boxes 8 are respectively arranged on two sides of the main box body 1, a front bridge beam 9 is arranged between the two end transmission boxes 8, the front bridge beam 9 comprises a tubular beam 91, two transition discs 92 are respectively fixedly arranged at two ends of the tubular beam 91, the two end transmission boxes 8 are respectively fixed on the tubular beam 91 through the corresponding transition discs 92, two main box connecting seats 96 are fixedly arranged at the middle part of the tubular beam 91 at intervals, two main box mounting brackets 28 are arranged at the front end of the main box body 1, the main box mounting brackets 28 are respectively fixedly connected with the main box connecting seats 96, two supporting seats 93 are respectively arranged at the upper side of the tubular beam 91 at intervals, two cylinder supporting seats 94 are respectively arranged at the front lower side of the tubular beam 91, a braking supporting seat 95 is respectively arranged at a position close to the two transition discs 92 on the tubular beam 91, two half shafts 10 are arranged on the differential mechanism 4, two half shafts 10 are respectively connected with a connecting shaft 22 by, one end of each connecting shaft 22, which is far away from the half shaft 10, is connected with the input shaft of the corresponding tail end transmission box 8, a first transmission gear 24 is arranged on the input shaft of the tail end transmission box 8, a flange shaft 23 is further arranged in the tail end transmission box 8, a second transmission gear 25 meshed with the first transmission gear 24 is arranged on the flange shaft 23, the input shaft of the tail end transmission box 8 is connected with a service brake 27, and the service brake 27 is fixed on a brake support 95.
The parking brake 26 at the end of the three shaft 16 is operated by a mechanical lever type, the service brake 27 is operated by hydraulic pressure, a brake disc positioned on the service brake 27 is arranged on an input shaft of the tail end transmission box 8, and a brake caliper and a brake support on the service brake 27 are assembled together and fastened on a brake support 95 of the front bridge 9.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. A front drive axle assembly of a harvester comprises a main box body (1), and is characterized in that a first shaft (2), a planetary reduction mechanism (3), a differential (4) and a second shaft (5) in transmission connection with the differential (4) are arranged in the main box body (1), one end of the first shaft (2) penetrates out of the main box body (1), a belt pulley (6) is fixedly arranged at the end of the first shaft (2), the planetary reduction mechanism (3) comprises a planetary frame (31) connected with the second shaft (5) and a central gear shaft (32) capable of driving the planetary frame (31) to rotate, a gear ring (31a) is arranged on the planetary frame (31), and a tooth part (2a) capable of being meshed with the gear ring (31a) is arranged on the periphery of the first shaft (2); the side of the main box body (1) is provided with an HST hydraulic stepless speed change driving device (7), an input shaft of the HST hydraulic stepless speed change driving device (7) can be driven to rotate by one shaft (2), an output shaft of the HST hydraulic stepless speed change driving device (7) can drive the central gear shaft (32) to rotate, two ends of the main box body (1) are respectively provided with one end transmission box (8), the main box body (1) and the two end transmission boxes (8) are connected into an integral component through a front bridge (9), the differential mechanism (4) is connected with two half shafts (10), and the two half shafts (10) respectively extend out of two sides of the main box body (1) and are respectively connected with the corresponding input shaft of the end transmission box (8).
2. The front drive axle assembly of the harvester according to claim 1, wherein an input shaft and an output shaft of the HST hydraulic stepless speed change driving device (7) are respectively connected with an HST input gear shaft (11) and an HST output gear shaft (12), the HST input gear shaft (11) is provided with an input gear (13), the HST output gear shaft (12) is provided with an output gear (14), one end of the shaft (2) far away from the belt pulley (6) is positioned in the main box body (1), a driving gear (15) capable of being meshed with the input gear (13) is fixedly arranged at the position of the shaft (2) close to the end, and the central gear shaft (32) is provided with a driven gear (33) meshed with the output gear (14).
3. The front drive axle assembly of the harvester according to claim 2, wherein a three-shaft (16) capable of transmitting power from the two-shaft (5) to the differential (4) is further arranged in the main box body (1), a low-gear driving gear (17), a high-gear driving gear (18) and an engaging sleeve (19) which is in sliding fit between the low-gear driving gear (17) and the high-gear driving gear (18) are arranged on the two-shaft (5), and a low-gear driven gear (20) engaged with the low-gear driving gear (17) and a high-gear driven gear (21) engaged with the high-gear driving gear (18) are arranged on the three-shaft (16).
4. The harvester front drive axle assembly according to claim 3, characterized in that the main box body (1) comprises a reduction gearbox (1a) and a gearbox (1b), the first shaft (2), the second shaft (5) and the third shaft (16) are all arranged in the gearbox (1b) in a penetrating manner, the planetary reduction mechanism (3), the tooth part (2a) on the first shaft (2) and the driving gear (15) are all arranged in the reduction gearbox (1a), the differential (4) is arranged in the gearbox (1b), the first shaft (2) is arranged behind the gearbox (1b), the second shaft (5) is arranged in front of the first shaft (2), and the third shaft (16) is arranged in front of the second shaft (5).
5. The front drive axle assembly of the harvester according to claim 1, 2, 3 or 4, characterized in that a connecting shaft (22) is arranged between each half shaft (10) on the differential (4) and the input shaft of the corresponding end transmission case (8), a flange shaft (23) is further arranged in the end transmission case (8), a first transmission gear (24) is arranged on the input shaft of the end transmission case (8), and a second transmission gear (25) meshed with the first transmission gear (24) is arranged on the flange shaft (23).
6. A front axle assembly according to claim 3 or 4, characterised in that one end of the three axles (16) extends out of the gearbox (1b) and is connected with a parking brake (26), and the input shaft of the end gearbox (8) is connected with a service brake (27).
7. The front harvester drive axle assembly according to claim 6, wherein the front bridge beam (9) comprises a tubular beam (91), two transition discs (92) arranged at two ends of the tubular beam (91), two support seats (93) fixedly arranged at the upper side of the tubular beam (91) at intervals, and two oil cylinder support seats (94) arranged at the front lower side of the tubular beam (91) at intervals, a brake support seat (95) for mounting the service brake (27) is respectively arranged on the tubular beam (91) at a position close to the two transition discs (92), two main box connecting seats (96) are fixedly arranged at the middle part of the tubular beam (91) at intervals, and two main box mounting brackets (28) connected with the corresponding main box connecting seats (96) are arranged at the front end of the main box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180682.0A CN112277637A (en) | 2020-10-29 | 2020-10-29 | Harvester front drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180682.0A CN112277637A (en) | 2020-10-29 | 2020-10-29 | Harvester front drive axle assembly |
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| Publication Number | Publication Date |
|---|---|
| CN112277637A true CN112277637A (en) | 2021-01-29 |
Family
ID=74373878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011180682.0A Pending CN112277637A (en) | 2020-10-29 | 2020-10-29 | Harvester front drive axle assembly |
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| CN (1) | CN112277637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389866A (en) * | 2021-06-10 | 2021-09-14 | 山东巨明机械有限公司 | Agricultural is HST hydraulic machinery transaxle for harvesting machine |
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| CN207808935U (en) * | 2018-02-05 | 2018-09-04 | 温岭市明华齿轮有限公司 | Cropper front driving axle assembly |
| CN110332296A (en) * | 2019-08-01 | 2019-10-15 | 山东巨明机械有限公司 | Harvest machinery hydraulic machinery continuously variable transaxle |
| CN111306277A (en) * | 2020-03-27 | 2020-06-19 | 山东金大丰机械有限公司 | Hydraulic machinery infinitely variable drive system and crops harvest vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672972A (en) * | 2004-03-22 | 2005-09-28 | 株式会社久保田 | Transmission system for tractor |
| CN101905652A (en) * | 2009-06-02 | 2010-12-08 | 霍继仁 | Driving-wheel bridge for wheel type combine-harvester |
| US20150239344A1 (en) * | 2014-02-21 | 2015-08-27 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Transmission for working vehicle |
| CN205395765U (en) * | 2016-01-22 | 2016-07-27 | 泰安九洲金城机械有限公司 | Take continuously variable transmission's harvest machinery front -wheel drive axle case assembly |
| CN206426760U (en) * | 2016-08-31 | 2017-08-22 | 温岭市明华齿轮有限公司 | A kind of maize harvesting machine front driving axle assembly |
| CN207808935U (en) * | 2018-02-05 | 2018-09-04 | 温岭市明华齿轮有限公司 | Cropper front driving axle assembly |
| CN110332296A (en) * | 2019-08-01 | 2019-10-15 | 山东巨明机械有限公司 | Harvest machinery hydraulic machinery continuously variable transaxle |
| CN111306277A (en) * | 2020-03-27 | 2020-06-19 | 山东金大丰机械有限公司 | Hydraulic machinery infinitely variable drive system and crops harvest vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389866A (en) * | 2021-06-10 | 2021-09-14 | 山东巨明机械有限公司 | Agricultural is HST hydraulic machinery transaxle for harvesting machine |
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Application publication date: 20210129 |