CN118494175B - Transmission system of transport vehicle - Google Patents
Transmission system of transport vehicle Download PDFInfo
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- CN118494175B CN118494175B CN202410961584.2A CN202410961584A CN118494175B CN 118494175 B CN118494175 B CN 118494175B CN 202410961584 A CN202410961584 A CN 202410961584A CN 118494175 B CN118494175 B CN 118494175B
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- power output
- transmission shaft
- speed change
- shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 300
- 230000008859 change Effects 0.000 claims abstract description 133
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims description 34
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- B60K17/28—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
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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
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to the technical field of transmission systems, in particular to a transmission system of a transport vehicle, which comprises a power input transmission mechanism, a speed change mechanism and a transport power output mechanism, wherein the speed change mechanism is in transmission connection with the power input transmission mechanism, the power input transmission mechanism comprises a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft, a rear wheel driving gear is arranged on the third transmission shaft, a front wheel driving gear and a transport wheel driving gear are arranged on the fourth transmission shaft, the transport wheel driving gear is in transmission connection with the transport power output mechanism, and a six-wheel separation combination sleeve is arranged between the third transmission shaft and the fourth transmission shaft. The transmission system of the transport vehicle provided by the invention has the advantages that good driving capability is obtained, multi-point synchronous power output is realized, six-drive walking of the transport vehicle provided by the invention can be realized, the adhesive force of the tires of the transport vehicle is greatly increased, the passing capability of different roads is enhanced, and the use performance and the application range of the transport vehicle are improved.
Description
Technical Field
The invention relates to the technical field of transmission systems, in particular to a transmission system of a transport vehicle.
Background
In recent years, along with the continuous development of technology, various transport vehicles are applied more and more widely, such as tractors, mining vehicles and the like, and are widely applied to the production of vast rural areas and mining areas at present. According to the transport vehicle, different driving modes are needed under different loads and different road conditions, the transmission system of the transport vehicle in the prior art is driven by rear wheels, front and rear multipoint synchronous power output cannot be realized, the matching field is narrow, the working limitation is large, and the use performance and the application range of the transport vehicle are reduced. In addition, prior art's transport vechicle is connected with the trailer that is used for carrying the material, and the wheel on the trailer is driven by hydraulic motor, and the front and back wheel of transport vechicle is by the power drive from engine and gearbox output, and the wheel on the trailer is asynchronous with the rotational speed of the front and back wheel of transport vechicle, leads to the speed of marcing of trailer and the speed of marcing of transport vechicle to be mismatched, and hydraulic motor output's power is less moreover, and the wheel on the trailer is less by hydraulic motor driven driving force, and the trailer climbs motionless at the great slope of slope, has restricted the loading of trailer.
Disclosure of Invention
It is an object of the present invention to provide a transmission system for a transport vehicle that overcomes the problems associated with prior devices.
In order to achieve the above purpose, the invention adopts the following technical scheme: the transmission system of the transport vehicle comprises a power input transmission mechanism, a speed change mechanism in transmission connection with the power input transmission mechanism and a transport power output mechanism, wherein an engine of the transport vehicle is in transmission connection with the power input transmission mechanism through a clutch; a rear wheel driving gear is arranged on the transmission shaft III and is in transmission connection with the rear wheel driving mechanism; a front wheel driving gear and a transport wheel driving gear are arranged on the transmission shaft IV, the front wheel driving gear is in transmission connection with the front wheel driving mechanism, and the transport wheel driving gear is in transmission connection with the transport power output mechanism; a six-drive separation and combination sleeve is arranged between the transmission shaft III and the transmission shaft IV, and can move along the axial direction of the transmission shaft III and the transmission shaft IV, and when the six-drive separation and combination sleeve moves towards the transmission shaft IV, the power transmission between the transmission shaft III and the transmission shaft IV is interrupted, so that six-drive separation is realized; when the six-drive separation and combination sleeve moves towards the transmission shaft III, the transmission shaft III is in transmission connection with the transmission shaft IV through the six-drive separation and combination sleeve, so that six-drive combination is realized.
Based on the technical scheme, the invention can also be improved as follows:
as a further improvement of the technical scheme, the transportation power output mechanism comprises a power output transition duplex gear, a power output transition shaft, a first power output driving gear and a second power output driving gear which are rotatably sleeved on a first transmission shaft, a transportation power transmission shaft and a power output driven gear which is arranged on the transportation power transmission shaft, wherein the transportation wheel drives the driving gear to be meshed with the power output transition duplex gear, the power output transition duplex gear is meshed with the first power output driving gear, the second power output driving gear is meshed with the power output driven gear, the transportation power transmission shaft is connected with the transportation power output shaft in a transmission mode through a universal joint, and the transportation power output shaft is connected with a trailer.
As a further improvement of the technical scheme, the front wheel driving mechanism is connected with two front wheels of the transport vehicle, the rear wheel driving mechanism is connected with two rear wheels of the transport vehicle, the trailer is provided with a reversing box and a trailer driving axle, the reversing box is in transmission connection between the transport power output shaft and the trailer driving axle, and the trailer driving axle is connected with transport wheels.
As a further improvement of the technical scheme, the front wheel driving mechanism comprises a transfer case, a transfer case intermediate gear arranged on the transfer case, a transfer case power output shaft and a transfer case power output gear arranged on the transfer case power output shaft, wherein the transfer case intermediate gear is rotatably connected to the top of the transfer case, the transfer case power output gear is arranged on the inner side of the transfer case, the front wheel driving gear is meshed with the transfer case intermediate gear, and the transfer case intermediate gear is meshed with the transfer case power output gear.
As a further improvement of the technical scheme, the rear wheel driving mechanism comprises a left half shaft, a left half shaft gear, a driven bevel gear, a planet gear shaft, a planet gear, a right half shaft gear and a right half shaft, wherein the driven bevel gear is meshed with the rear wheel driving gear, the rear wheel driving gear is a bevel gear, the planet gear is arranged on the planet gear shaft and can freely rotate, the left half shaft and the right half shaft are respectively sleeved in the left half shaft gear and the right half shaft gear through spline gears, and two sides of the planet gear are respectively meshed with the left half shaft gear and the right half shaft gear.
As a further improvement of the technical scheme, the auxiliary speed change gear shifting assembly comprises an auxiliary speed change shaft, an auxiliary speed change duplex gear sleeved on the auxiliary speed change shaft, an auxiliary speed change gear I arranged on the transmission shaft, an auxiliary speed change gear II sleeved on the transmission shaft II and an auxiliary speed change combination sleeve arranged between the auxiliary speed change gear I and the auxiliary speed change gear II, wherein the auxiliary speed change duplex gear is rotatably sleeved on the auxiliary speed change shaft, the auxiliary speed change gear I is fixedly arranged on the transmission shaft I, the auxiliary speed change gear II is rotatably sleeved on the transmission shaft II, the auxiliary speed change gear I is meshed with the big teeth of the auxiliary speed change duplex gear, the auxiliary speed change gear II is meshed with the small teeth of the auxiliary speed change duplex gear, the auxiliary speed change combination sleeve is arranged on the transmission shaft II through a spline sleeve, and can drive the auxiliary speed change combination sleeve to move along the axial direction of the transmission shaft II and realize the meshing of the auxiliary speed change combination sleeve and the auxiliary speed change gear I or the auxiliary speed change gear II, and when the auxiliary speed change combination sleeve moves to be meshed with the auxiliary speed change gear I, the auxiliary speed change gear is switched to the auxiliary speed change position; when the auxiliary speed change combined sleeve moves to be meshed with the auxiliary speed change gear II, the auxiliary speed change combined sleeve is switched to the auxiliary speed change low-speed gear.
As a further improvement of the technical scheme, the main speed change gear shifting assembly comprises a reverse gear shaft, a reverse gear transition duplex gear rotatably sleeved on the reverse gear shaft, a first gear driving gear, a reverse gear driving gear, a second gear driving gear and a third gear driving gear which are arranged on a second transmission shaft, a first gear driven gear, a reverse gear driven gear, a second gear driven gear and a third gear driven gear which are arranged on a third transmission shaft, wherein the second gear driving gear and the third gear driving gear are rotatably sleeved on the second transmission shaft, and the first gear driven gear and the reverse gear driven gear are rotatably sleeved on the third transmission shaft; the first-gear driving gear is meshed with the first-gear driven gear, the reverse-gear driving gear is meshed with the big tooth of the reverse-gear transition duplex gear, the small tooth of the reverse-gear transition duplex gear is meshed with the reverse-gear driven gear, the second-gear driving gear is meshed with the second-gear driven gear, and the third-gear driving gear is meshed with the third-gear driven gear; a reverse gear meshing sleeve is arranged between the first gear driven gear and the reverse gear driven gear, and the first reverse gear meshing sleeve is arranged on the transmission shaft III through a spline sleeve; a second-third gear meshing sleeve is arranged between the second-gear driving gear and the third-gear driving gear, and the second-third gear meshing sleeve is arranged on the second transmission shaft through a spline sleeve.
As a further improvement of the technical scheme, the transportation power transmission shaft is provided with a farmland operation power output mechanism, the farmland operation power output mechanism comprises a power output high-speed driving gear and a power output low-speed driving gear which are arranged on the transportation power transmission shaft, a farmland operation power output shaft and a power output high-speed driven gear and a power output low-speed driven gear which are arranged on the farmland operation power output shaft, the farmland operation power output shaft is parallel to the transportation power transmission shaft, and the farmland operation power output shaft is connected with an operation cutter; the power output high-speed driven gear and the power output low-speed driven gear are rotatably sleeved on a farmland operation power output shaft, the power output high-speed driving gear is meshed with the power output high-speed driven gear, the power output low-speed driving gear is meshed with the power output low-speed driven gear, a farmland operation gear shifting meshing sleeve is arranged between the power output high-speed driven gear and the power output low-speed driven gear, and the farmland operation gear shifting meshing sleeve is arranged on the farmland operation power output shaft through a spline sleeve.
As a further improvement of the technical scheme, the second transmission shaft is parallel to the third transmission shaft, the first transmission shaft is coaxially arranged with the second transmission shaft, the third transmission shaft is coaxially arranged with the fourth transmission shaft, and the power output transition shaft and the transportation power transmission shaft are parallel to the fourth transmission shaft.
As a further improvement of the technical scheme, the power input transmission mechanism and the speed change mechanism are arranged in the transmission case, the transmission shaft I, the transmission shaft II, the transmission shaft III and the transmission shaft IV are rotatably connected to the transmission case, a plurality of bearings are arranged at the joint of the transmission shaft I, the transmission shaft II, the transmission shaft III and the transmission shaft IV and the transmission case, and the rear wheel driving mechanism is arranged on the rear case body.
The beneficial effects of the invention are as follows: the transmission system of the transport vehicle can be changed into two-drive or six-drive according to the requirement, six-drive walking of the transport vehicle provided by the invention can be realized, the adhesive force of the tires of the transport vehicle is greatly increased, the passing capability of different roads is enhanced, and the service performance and the application range of the transport vehicle are improved; in addition, the wheels on the trailer and the front and rear wheels of the transport vehicle are synchronously driven by the power output by the engine and the rotating speed is synchronous, the trailer obtains larger driving force, and the loading capacity of the trailer and the passing capacity of the trailer on a road surface with a larger gradient are improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a simplified transmission diagram of a transmission system for a transport vehicle provided by a preferred embodiment of the present invention;
FIG. 2 is a schematic illustration of the engine and transmission case, transfer case and front drive axle assembly of FIG. 1;
FIG. 3 is a schematic illustration of the transmission case of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of the structure of the trailer and the case after the transport power take off mechanism of FIG. 5 is connected;
FIG. 7 is a schematic view of the rear housing of FIG. 6 and a farm work power take-off mechanism;
FIG. 8 is a top view of the rear box and trailer of FIG. 6;
In the figure: 11. a transmission shaft I; 12. a transmission shaft II; 13. a transmission shaft III; 131. the rear wheel drives the driving gear; 14. a transmission shaft IV; 141. the front wheel drives the driving gear; 142. the transport wheel drives the driving gear; 15. six-drive separation combination sleeve; 21. a secondary shift shaft; 211. a secondary variable speed duplicate gear; 212. a first auxiliary speed change gear; 213. a secondary variable speed gear II; 214. a secondary speed change combination sleeve; 221. a first gear driving gear; 222. a second gear driving gear; 223. a three-gear drive gear; 224. a reverse gear driving gear; 225. a second gear and third gear meshing sleeve; 231. a first-gear driven gear; 232. a second-gear driven gear; 233. a three-gear driven gear; 234. a reverse driven gear; 235. a reverse gear meshing sleeve; 24. a reverse gear shaft; 241. reverse gear transition duplex gear; 31. a first power output driving gear; 32. a power output transition duplex gear; 33. a power output transition shaft; 34. a power output driving gear II; 35. a transmission power transmission shaft; 36. a power output driven gear; 37. a transport power output shaft; 38. a trailer; 381. a transport wheel; 382. a reversing box; 383. a trailer drive axle; 39. a universal joint; 41. an engine; 42. a clutch; 43. a transmission case; 431. a bearing; 44. a rear case; 51. a transfer case; 52. transfer case intermediate gears; 53. a transfer case power take off gear; 54. a transfer case power take-off shaft; 61. a left half shaft; 62. a left side gear; 63. a driven bevel gear; 64. a planetary gear shaft; 65. a planetary gear; 66. a right side gear; 67. a right half shaft; 68. a rear wheel; 7. a power output mechanism for farmland operation; 71. a power take-off high-speed drive gear; 72. a power take-off low-speed drive gear; 73. a power output shaft for farmland operation; 74. a power output high-speed driven gear; 75. a low-speed driven gear for power output; 76. farmland operation gear shifting engagement sleeve.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1 to 8, a transmission system for a transport vehicle according to a preferred embodiment of the present invention includes a power input transmission mechanism, a speed change mechanism drivingly connected to the power input transmission mechanism, and a transport power output mechanism, and an engine 41 of the transport vehicle is drivingly connected to the power input transmission mechanism through a clutch 42.
The power input transmission mechanism comprises a first transmission shaft 11, a second transmission shaft 12, a third transmission shaft 13 and a fourth transmission shaft 14, wherein the second transmission shaft 12 and the third transmission shaft 13 are mutually parallel, the first transmission shaft 11 and the second transmission shaft 12 are coaxially arranged, and the third transmission shaft 13 and the fourth transmission shaft 14 are coaxially arranged. One end of the first transmission shaft 11 is connected with the clutch 42, the speed change mechanism comprises a secondary speed change and gear shift assembly and a primary speed change and gear shift assembly, the secondary speed change and gear shift assembly is arranged between the first transmission shaft 11 and the second transmission shaft 12, and the primary speed change and gear shift assembly is arranged between the second transmission shaft 12 and the third transmission shaft 13. A front wheel driving gear 141 and a transport wheel driving gear 142 are fixedly arranged on the transmission shaft IV 14, the front wheel driving gear 141 is in transmission connection with the front wheel driving mechanism, and the transport wheel driving gear 142 is in transmission connection with the transport power output mechanism; the transmission shaft III 13 is fixedly provided with a rear wheel driving gear 131, the rear wheel driving gear 131 is a bevel gear, the rear wheel driving gear 131 is in transmission connection with a rear wheel driving mechanism, the front wheel driving mechanism is connected with two front wheels of the transport vehicle, and the rear wheel driving mechanism is connected with two rear wheels 68 of the transport vehicle.
The transportation power output mechanism comprises a power output transition duplex gear 32, a power output transition shaft 33, a power output driving gear 31 and a power output driving gear 34 which are fixedly arranged on the power output transition shaft 33, a transportation power transmission shaft 35 and a power output driven gear 36 which is fixedly arranged on the transportation power transmission shaft 35, wherein the power output transition duplex gear 32 is rotatably sleeved on the transmission shaft one 11.
The power output transition shaft 33 and the transporting power transmission shaft 35 are parallel to the transmission shaft IV 14, the transporting wheel drives the driving gear 142 to be meshed with the big teeth of the power output transition duplex gear 32, the small teeth of the power output transition duplex gear 32 are meshed with the power output driving gear I31, and the power output driving gear II 34 is meshed with the power output driven gear 36. The transportation power transmission shaft 35 is in transmission connection with the transportation power output shaft 37 through a universal joint 39, the universal joint 39 is arranged for buffering vibration and jolt during transportation, the transportation power output shaft 37 is connected with a trailer 38 for containing materials, a reversing box 382 and a trailer drive axle 383 are arranged on the trailer 38, the reversing box 382 is in transmission connection between the transportation power output shaft 37 and the trailer drive axle 383, a transportation wheel 381 is connected to the trailer drive axle 383, and a gear for changing the power output direction is arranged in the reversing box 382.
Preferably, the transporting power transmission shaft 35 is provided with a farm work power output mechanism 7, the farm work power output mechanism 7 comprises a power output high-speed driving gear 71 and a power output low-speed driving gear 72 which are arranged on the transporting power transmission shaft 35, a farm work power output shaft 73, and a power output high-speed driven gear 74 and a power output low-speed driven gear 75 which are arranged on the farm work power output shaft 73, the farm work power output shaft 73 is parallel to the transporting power transmission shaft 35, the farm work power output shaft 73 is connected with a work cutter, and the work cutter can be a rotary blade. The power output high-speed driven gear 74 and the power output low-speed driven gear 75 are rotatably sleeved on the farmland operation power output shaft 73, the power output high-speed driving gear 71 is meshed with the power output high-speed driven gear 74, the power output low-speed driving gear 72 is meshed with the power output low-speed driven gear 75, a farmland operation gear shifting meshing sleeve 76 is arranged between the power output high-speed driven gear 74 and the power output low-speed driven gear 75, and the farmland operation gear shifting meshing sleeve 76 is arranged on the farmland operation power output shaft 73 through a spline sleeve.
When the farmland operation power output mechanism 7 is used, the universal joint 39 is detached from the transportation power transmission shaft 35, and then the farmland operation gear shifting engagement sleeve 76 is driven by the shifting fork to axially move along the farmland operation power output shaft 73, so that the farmland operation gear shifting engagement sleeve 76 is engaged with the power output high-speed driven gear 74 or the power output low-speed driven gear 75, when the farmland operation gear shifting engagement sleeve 76 moves leftwards and is engaged with the power output high-speed driven gear 74, the transmission route of the power output by the engine 41 is switched to the farmland operation high-speed gear, and the transmission route of the power output by the engine 41 is as follows: transmission shaft one 11, transmission shaft two 12, speed change mechanism, transmission shaft three 13, transmission shaft four 14, transportation power output mechanism, power output high-speed driving gear 71, power output high-speed driven gear 74 and farmland operation power output shaft 73; when the farmland operation shift engagement sleeve 76 moves rightward to engage with the power output low-speed driven gear 75, the shift is made to the farmland operation low-speed gear, and the transmission route of the power output from the engine 41 is: transmission shaft one 11, transmission shaft two 12, speed change mechanism, transmission shaft three 13, transmission shaft four 14, transportation power output mechanism, power output low-speed driving gear 72, power output low-speed driven gear 75 and farmland operation power output shaft 73.
The six-drive separation and combination sleeve 15 is arranged between the transmission shaft III 13 and the transmission shaft IV 14, the six-drive separation and combination sleeve 15 can be arranged on the transmission shaft III 13 and the transmission shaft IV 14 through a spline sleeve, the six-drive separation and combination sleeve 15 can be driven by a shifting fork to move along the axial direction of the transmission shaft III 13 and the transmission shaft IV 14, when the six-drive separation and combination sleeve 15 moves leftwards towards the transmission shaft IV 14, the six-drive separation and combination sleeve 15 is sleeved on the transmission shaft IV 14 and is not connected with the transmission shaft III 13, the power transmission between the transmission shaft III 13 and the transmission shaft IV 14 is interrupted, six-drive separation (rear wheel 68 driving) is realized, at the moment, the whole machine is driven by two wheels, and the power output by the engine 41 is transmitted to the rear wheel driving mechanism through the transmission shaft I11, the transmission shaft II 12, the speed change mechanism and the transmission shaft III 13 in sequence, so that the rear wheel 68 driving and walking are realized, and no front driving force output and transportation power output are realized. When the six-wheel drive separation and combination sleeve 15 moves rightwards towards the transmission shaft III 13, the six-wheel drive separation and combination sleeve 15 is sleeved on the transmission shaft III 13 and the transmission shaft IV 14 at the same time, the transmission shaft III 13 and the transmission shaft IV 14 are in transmission connection through the six-wheel drive separation and combination sleeve 15, six-wheel drive is realized, at the moment, the whole machine is six-wheel drive, and part of power output by the engine 41 is transmitted to the rear wheel drive mechanism through the transmission shaft I11, the transmission shaft II 12, the speed change mechanism and the transmission shaft III 13 in sequence, so that the rear wheel 68 is driven; the other part of power output by the engine 41 is sequentially transmitted to the front wheel driving mechanism and the transportation power output mechanism through the first transmission shaft 11, the second transmission shaft 12, the speed change mechanism, the third transmission shaft 13 and the fourth transmission shaft 14, and meanwhile, the front wheel driving and the trailer driving axle 383 driving are realized, and the multipoint synchronous power output is realized. The six-drive walk is achieved because the front and rear wheels 68 of the transporter and the trailer drive axle 383 on the trailer 38 are driven simultaneously. The transmission system of the transport vehicle can be changed into a two-drive type or a six-drive type according to the requirement, so that good driving capability is obtained, multi-point synchronous power output is realized, six-drive walking of the transport vehicle provided by the invention can be realized, the adhesive force of the tires of the transport vehicle is greatly increased, the passing capability of different roads is enhanced, and the use performance and the application range of the transport vehicle are improved.
Specifically, the power input transmission mechanism and the speed change mechanism are arranged in the transmission case 43, the transmission shaft I11, the transmission shaft II 12, the transmission shaft III 13 and the transmission shaft IV 14 are rotatably connected to the transmission case 43, a plurality of bearings 431 are arranged at the joints of the transmission shaft I11, the transmission shaft II 12, the transmission shaft III 13 and the transmission shaft IV 14 and the transmission case 43, the rear wheel driving mechanism is arranged in the rear case 44, and the transportation power transmission shaft 35 penetrates through the rear case 44.
Specifically, the front wheel driving mechanism comprises a transfer case 51, a transfer case intermediate gear 52 and a transfer case power output shaft 54 which are arranged on the transfer case 51, and a transfer case power output gear 53 which is arranged on the transfer case power output shaft 54, wherein the transfer case intermediate gear 52 is rotatably connected to the top of the transfer case 51, the transfer case power output gear 53 is arranged on the inner side of the transfer case 51, the front wheel driving gear 141 is meshed with the transfer case intermediate gear 52, and the transfer case intermediate gear 52 is meshed with the transfer case power output gear 53. The power output by the engine 41 is transmitted to the front wheel drive driving gear 141 through the transmission shaft I11, the transmission shaft II 12, the speed change mechanism, the transmission shaft III 13 and the transmission shaft IV 14 in sequence, and the front wheel drive driving gear 141 transmits the power into the transfer case 51, and then transmits the power to the front drive axle through the transfer case power output gear 53 and the transfer case power output shaft 54, so that the front wheel drive is realized.
Specifically, the rear wheel drive mechanism includes a left half shaft 61, a left half shaft gear 62, a driven bevel gear 63, a planetary gear shaft 64, a planetary gear 65, a right half shaft gear 66 and a right half shaft 67, the driven bevel gear 63 is meshed with the rear wheel drive driving gear 131, the planetary gear 65 is provided on the planetary gear shaft 64 and is rotatable freely, the left half shaft 61 and the right half shaft 67 are respectively fitted in the left half shaft gear 62 and the right half shaft gear 66 through spline gears, and both sides of the planetary gear 65 are respectively meshed with the left half shaft gear 62 and the right half shaft gear 66 and constitute a differential transmission system.
Specifically, the auxiliary speed change gear shift assembly comprises an auxiliary speed change shaft 21, an auxiliary speed change duplex gear 211 sleeved on the auxiliary speed change shaft 21, an auxiliary speed change gear 212 arranged on a first transmission shaft 11, an auxiliary speed change gear 213 sleeved on a second transmission shaft 12, and an auxiliary speed change combination sleeve 214 arranged between the auxiliary speed change gear 212 and the auxiliary speed change gear 213.
The auxiliary speed change shaft 21 is parallel to the first transmission shaft 11, the auxiliary speed change duplex gear 211 is rotatably sleeved on the auxiliary speed change shaft 21 and comprises big teeth and small teeth, the auxiliary speed change gear I212 is fixedly arranged on the first transmission shaft 11, the auxiliary speed change gear II 213 is rotatably sleeved on the second transmission shaft 12, the auxiliary speed change gear I212 is meshed with the big teeth of the auxiliary speed change duplex gear 211, and the auxiliary speed change gear II 213 is meshed with the small teeth of the auxiliary speed change duplex gear 211; the diameter of the first auxiliary speed change gear 212 is smaller than that of the second auxiliary speed change gear 213, the diameter of the first auxiliary speed change gear 212 is smaller than that of the big tooth of the auxiliary speed change duplex gear 211, and the diameter of the second auxiliary speed change gear 213 is larger than that of the small tooth of the auxiliary speed change duplex gear 211.
The auxiliary speed change combining sleeve 214 is arranged on the transmission shaft II 12 through a spline sleeve, the auxiliary speed change combining sleeve 214 can be driven by a shifting fork to axially move along the transmission shaft II 12 and is meshed with the auxiliary speed change gear I212 or the auxiliary speed change gear II 213, when the auxiliary speed change combining sleeve 214 moves leftwards to be meshed with the auxiliary speed change gear I212, the auxiliary speed change combining sleeve is switched to a auxiliary speed change high-speed gear, at the moment, the transmission shaft I11 and the transmission shaft II 12 are connected through the auxiliary speed change gear I212 and the auxiliary speed change combining sleeve 214, and the transmission route of power output by the engine 41 is as follows: transmission shaft one 11 to transmission shaft two 12; when the sub-transmission coupling sleeve 214 moves rightward to engage with the sub-transmission shift gear two 213, the shift is made to the sub-transmission low gear, and the transmission route of the power output from the engine 41 is: transmission shaft one 11, auxiliary speed change gear one 212, large teeth of auxiliary speed change duplex gear 211, small teeth of auxiliary speed change duplex gear 211, auxiliary speed change gear two 213 and transmission shaft two 12.
Specifically, the main transmission shift assembly includes a reverse gear shaft 24, a reverse gear transition duplex gear 241 rotatably sleeved on the reverse gear shaft 24, a first gear driving gear 221, a reverse gear driving gear 224, a second gear driving gear 222, and a third gear driving gear 223 provided on the transmission shaft two 12, a first gear driven gear 231, a reverse gear driven gear 234, a second gear driven gear 232, and a third gear driven gear 233 provided on the transmission shaft three 13.
Specifically, the first gear driving gear 221 and the reverse gear driving gear 224 are fixedly arranged on the second transmission shaft 12, the second gear driving gear 222 and the third gear driving gear 223 are rotatably sleeved on the second transmission shaft 12, the second gear driven gear 232 and the third gear driven gear 233 are fixedly arranged on the third transmission shaft 13, and the first gear driven gear 231 and the reverse gear driven gear 234 are rotatably sleeved on the third transmission shaft 13; the first gear driving gear 221 is meshed with the first gear driven gear 231, the reverse gear driving gear 224 is meshed with the big tooth of the reverse gear transition duplex gear 241, the small tooth of the reverse gear transition duplex gear 241 is meshed with the reverse gear driven gear 234, the second gear driving gear 222 is meshed with the second gear driven gear 232, and the third gear driving gear 223 is meshed with the third gear driven gear 233; a reverse gear meshing sleeve 235 is arranged between the first gear driven gear 231 and the reverse gear driven gear 234, and the reverse gear meshing sleeve 235 is sleeved on the transmission shaft III 13 through a spline; a second and third gear meshing sleeve 225 is arranged between the second gear driving gear 222 and the third gear driving gear 223, and the second and third gear meshing sleeve 225 is arranged on the transmission shaft II 12 through a spline sleeve.
The shifting fork can drive a reverse gear meshing sleeve 235 to axially move along the transmission shaft III 13 and realize that the reverse gear meshing sleeve 235 is meshed with the first gear driven gear 231 or the reverse gear driven gear 234, when the reverse gear meshing sleeve 235 moves leftwards to be meshed with the first gear driven gear 231, the transmission line of the power output by the engine 41 is as follows: transmission shaft two 12, first gear driving gear 221, first gear driven gear 231 and transmission shaft three 13; when a reverse gear engagement sleeve 235 moves rightward to engage with the reverse gear driven gear 234, the reverse gear is shifted, and the transmission route of the power output from the engine 41 is: drive shaft two 12- & gtreverse gear drive gear 224- & gtlarge teeth of reverse gear transition duplex gear 241- & gtsmall teeth of reverse gear transition duplex gear 241- & gtreverse gear driven gear 234- & gtdrive shaft three 13.
The shifting fork can drive the second and third gear meshing sleeves 225 to axially move along the second transmission shaft 12 and realize that the second and third gear meshing sleeves 225 are meshed with the second gear driving gear 222 or the third gear driving gear 223, when the second and third gear meshing sleeves 225 move leftwards and are meshed with the second gear driving gear 222, the shifting is switched to the second gear, and the transmission route of the power output by the engine 41 is as follows: transmission shaft two 12, second gear driving gear 222, second gear driven gear 232 and transmission shaft three 13; when the second-third gear engagement sleeve 225 moves rightward to engage with the third gear drive gear 223, the shift is made to the third gear, and the transmission route of the power output from the engine 41 is: drive shaft two 12, three gear drive gear 223, three gear driven gear 233 and drive shaft three 13.
The above description of the embodiments of the present invention, which is not related to the present invention, belongs to the technology known in the art, and may be implemented with reference to the technology known in the art.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The utility model provides a transport vechicle transmission system, includes power input drive mechanism, the speed change mechanism and the transportation power take off mechanism of being connected with power input drive mechanism transmission, and the engine of transport vechicle passes through clutch and power input drive mechanism transmission to be connected, its characterized in that: the power input transmission mechanism comprises a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft, the first transmission shaft is connected with the clutch, the speed change mechanism comprises a secondary speed change and gear shift assembly and a main speed change and gear shift assembly, the secondary speed change and gear shift assembly is arranged between the first transmission shaft and the second transmission shaft, and the main speed change and gear shift assembly is arranged between the second transmission shaft and the third transmission shaft; a rear wheel driving gear is arranged on the transmission shaft III and is in transmission connection with the rear wheel driving mechanism; a front wheel driving gear and a transport wheel driving gear are arranged on the transmission shaft IV, the front wheel driving gear is in transmission connection with the front wheel driving mechanism, and the transport wheel driving gear is in transmission connection with the transport power output mechanism; a six-drive separation and combination sleeve is arranged between the transmission shaft III and the transmission shaft IV, and can move along the axial direction of the transmission shaft III and the transmission shaft IV, and when the six-drive separation and combination sleeve moves towards the transmission shaft IV, the power transmission between the transmission shaft III and the transmission shaft IV is interrupted, so that six-drive separation is realized; when the six-drive separation and combination sleeve moves towards the transmission shaft III, the transmission shaft III is in transmission connection with the transmission shaft IV through the six-drive separation and combination sleeve, so that six-drive combination is realized; the transportation power output mechanism comprises a power output transition double gear, a power output transition shaft, a power output driving gear I, a power output driving gear II, a transportation power transmission shaft and a power output driven gear, wherein the power output transition double gear, the power output transition shaft, the power output driving gear I and the power output driving gear II are rotatably sleeved on the transmission shaft I, the power output driving gear I and the power output driving gear II are arranged on the power output transition shaft in a sleeved mode, the power output driven gear is arranged on the transportation power transmission shaft in a sleeved mode, the transportation driving gear is meshed with the power output transition double gear, the power output transition double gear is meshed with the power output driving gear I, the power output driving gear II is meshed with the power output driven gear, the transportation power transmission shaft is connected with the transportation power output shaft in a transmission mode through a universal joint, and the transportation power output shaft is connected with a trailer.
2. The transporter transmission system of claim 1, wherein: the front wheel driving mechanism is connected with two front wheels of the transport vehicle, the rear wheel driving mechanism is connected with two rear wheels of the transport vehicle, the trailer is provided with a reversing box and a trailer driving axle, the reversing box is in transmission connection between a transport power output shaft and the trailer driving axle, and the trailer driving axle is connected with transport wheels.
3. The transporter transmission system of claim 2, wherein: the front wheel driving mechanism comprises a transfer case, a transfer case intermediate gear arranged on the transfer case, a transfer case power output shaft and a transfer case power output gear arranged on the transfer case power output shaft, wherein the transfer case intermediate gear is rotatably connected to the top of the transfer case, the transfer case power output gear is arranged on the inner side of the transfer case, the front wheel driving gear is meshed with the transfer case intermediate gear, and the transfer case intermediate gear is meshed with the transfer case power output gear.
4. A transporter transmission system as claimed in claim 3, wherein: the rear wheel driving mechanism comprises a left half shaft, a left half shaft gear, a driven bevel gear, a planetary gear shaft, a planetary gear, a right half shaft gear and a right half shaft, wherein the driven bevel gear is meshed with the rear wheel driving gear, the rear wheel driving gear is a bevel gear, the planetary gear is arranged on the planetary gear shaft and can freely rotate, the left half shaft and the right half shaft are respectively sleeved in the left half shaft gear and the right half shaft gear through spline gears, and two sides of the planetary gear are respectively meshed with the left half shaft gear and the right half shaft gear.
5. The transporter transmission system of claim 2, wherein: the auxiliary speed change gear shifting assembly comprises an auxiliary speed change shaft, an auxiliary speed change duplex gear sleeved on the auxiliary speed change shaft, an auxiliary speed change gear I arranged on the auxiliary speed change gear I, an auxiliary speed change gear II sleeved on the auxiliary speed change gear II and an auxiliary speed change combination sleeve arranged between the auxiliary speed change gear I and the auxiliary speed change gear II, wherein the auxiliary speed change shaft is parallel to the auxiliary speed change gear I, the auxiliary speed change duplex gear is rotatably sleeved on the auxiliary speed change shaft, the auxiliary speed change gear I is fixedly arranged on the auxiliary speed change gear I, the auxiliary speed change gear II is rotatably sleeved on the auxiliary speed change gear II, the auxiliary speed change gear I is meshed with a big tooth of the auxiliary speed change duplex gear, the auxiliary speed change gear II is meshed with a small tooth of the auxiliary speed change duplex gear, the auxiliary speed change combination sleeve is arranged on the auxiliary speed change gear II through a spline sleeve, the auxiliary speed change combination sleeve can be driven by a shifting fork to axially move along the auxiliary speed change gear II and realize the meshing of the auxiliary speed change combination sleeve and the auxiliary speed change gear I or the auxiliary speed change gear II, and when the auxiliary speed change combination sleeve moves to mesh with the auxiliary speed change gear I, the auxiliary speed change combination sleeve shifts to a high speed gear; when the auxiliary speed change combined sleeve moves to be meshed with the auxiliary speed change gear II, the auxiliary speed change combined sleeve is switched to the auxiliary speed change low-speed gear.
6. The transporter transmission system of claim 5, wherein: the main speed change gear shifting assembly comprises a reverse gear shaft, a reverse gear transition duplex gear rotatably sleeved on the reverse gear shaft, a first gear driving gear, a reverse gear driving gear, a second gear driving gear and a third gear driving gear which are arranged on a second transmission shaft, a first gear driven gear, a reverse gear driven gear, a second gear driven gear and a third gear driven gear which are arranged on a third transmission shaft, wherein the second gear driving gear and the third gear driving gear are rotatably sleeved on the second transmission shaft, and the first gear driven gear and the reverse gear driven gear are rotatably sleeved on the third transmission shaft; the first-gear driving gear is meshed with the first-gear driven gear, the reverse-gear driving gear is meshed with the big tooth of the reverse-gear transition duplex gear, the small tooth of the reverse-gear transition duplex gear is meshed with the reverse-gear driven gear, the second-gear driving gear is meshed with the second-gear driven gear, and the third-gear driving gear is meshed with the third-gear driven gear; a reverse gear meshing sleeve is arranged between the first gear driven gear and the reverse gear driven gear, and the first reverse gear meshing sleeve is arranged on the transmission shaft III through a spline sleeve; a second-third gear meshing sleeve is arranged between the second-gear driving gear and the third-gear driving gear, and the second-third gear meshing sleeve is arranged on the second transmission shaft through a spline sleeve.
7. The transporter transmission system of claim 2, wherein: the farmland operation power output mechanism comprises a power output high-speed driving gear and a power output low-speed driving gear which are arranged on the transportation power transmission shaft, a farmland operation power output shaft and a power output high-speed driven gear and a power output low-speed driven gear which are arranged on the farmland operation power output shaft, the farmland operation power output shaft is parallel to the transportation power transmission shaft, and the farmland operation power output shaft is connected with an operation cutter; the power output high-speed driven gear and the power output low-speed driven gear are rotatably sleeved on a farmland operation power output shaft, the power output high-speed driving gear is meshed with the power output high-speed driven gear, the power output low-speed driving gear is meshed with the power output low-speed driven gear, a farmland operation gear shifting meshing sleeve is arranged between the power output high-speed driven gear and the power output low-speed driven gear, and the farmland operation gear shifting meshing sleeve is arranged on the farmland operation power output shaft through a spline sleeve.
8. The transporter transmission system of claim 2, wherein: the transmission shaft II is parallel to the transmission shaft three, the transmission shaft I is coaxially arranged with the transmission shaft II, the transmission shaft III is coaxially arranged with the transmission shaft four, and the power output transition shaft and the transmission power transmission shaft are parallel to the transmission shaft four.
9. The transporter transmission system of claim 8, wherein: the power input transmission mechanism and the speed change mechanism are arranged in the transmission case, the transmission shaft I, the transmission shaft II, the transmission shaft III and the transmission shaft IV are rotatably connected to the transmission case, a plurality of bearings are arranged at the joints of the transmission shaft I, the transmission shaft II, the transmission shaft III and the transmission shaft IV and the transmission case, and the rear wheel driving mechanism is arranged on the rear case.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410961584.2A CN118494175B (en) | 2024-07-18 | 2024-07-18 | Transmission system of transport vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410961584.2A CN118494175B (en) | 2024-07-18 | 2024-07-18 | Transmission system of transport vehicle |
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| CN118494175B true CN118494175B (en) | 2024-10-01 |
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| CN202410961584.2A Active CN118494175B (en) | 2024-07-18 | 2024-07-18 | Transmission system of transport vehicle |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220974394U (en) * | 2023-10-25 | 2024-05-17 | 保定步坦汽车科技有限公司 | Chassis with mechanical transmission three-shaft six-wheel six-drive and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002120773A (en) * | 2000-10-17 | 2002-04-23 | Yanmar Agricult Equip Co Ltd | Arrangement construction of six-wheel work vehicle |
| CN2613398Y (en) * | 2003-03-13 | 2004-04-28 | 山东双力集团股份有限公司 | Driving device for tractor |
| JP2007191022A (en) * | 2006-01-18 | 2007-08-02 | Yanmar Co Ltd | Auxiliary speed change mechanism of tractor |
| WO2016053171A1 (en) * | 2014-09-29 | 2016-04-07 | Scania Cv Ab | Hybrid powertrain, method for controlling such a hybrid powertrain, vehicle comprising such a hybrid powertrain, computer program for controlling such a hybrid power- train, and a computer program product comprising program code |
| JP6396841B2 (en) * | 2015-04-21 | 2018-09-26 | 株式会社クボタ | Transmission device provided in the tractor |
| CN217463085U (en) * | 2022-05-24 | 2022-09-20 | 河南中联重科智能农机有限责任公司 | Tractor transmission system and tractor |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220974394U (en) * | 2023-10-25 | 2024-05-17 | 保定步坦汽车科技有限公司 | Chassis with mechanical transmission three-shaft six-wheel six-drive and vehicle |
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