CN210337580U - Automobile chassis structure with double transmission shafts - Google Patents
Automobile chassis structure with double transmission shafts Download PDFInfo
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- CN210337580U CN210337580U CN201921042370.6U CN201921042370U CN210337580U CN 210337580 U CN210337580 U CN 210337580U CN 201921042370 U CN201921042370 U CN 201921042370U CN 210337580 U CN210337580 U CN 210337580U
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Abstract
The utility model relates to an automobile chassis structure field discloses an automobile chassis structure of double-drive axle, it is including designing double-shaft drive's automobile chassis structure, through with between gearbox (1) and first differential case (10) through first drive shaft (3) mechanical connection, and respectively connect second differential case (4) and third differential case (9) in the drive shaft on the both sides of first differential case (10), first transmission shaft (2) pass through second differential case (4) internal gear mechanical connection with second transmission shaft (6), third transmission shaft (7) pass through third differential case (9) mechanical connection with fourth transmission shaft (11), make the ordinary unipolar drive of car change into the double-shaft drive, the internal gear distributes the car on four wheelsets of car from the power that go out in the gearbox. The utility model provides a tire power phenomenon that ordinary unipolar transmission car appears when going on sloping ground or uneven road surface not enough, strengthened the cross-country performance of car.
Description
Technical Field
The utility model belongs to vehicle chassis structure field, especially, vehicle chassis structure field with double-drive axle.
Background
Almost all automobiles on the market only have one transmission shaft, and the automobile transmission shaft works by matching three important components, namely a shaft tube, a telescopic sleeve and a universal joint. The transmission shaft is a shaft capable of transmitting power in the transmission shaft of a universal transmission device, and for a vehicle driven by a front engine and a rear wheel, the transmission shaft transmits the rotation of a speed changer to a main speed reducer, and can be a plurality of joints, the joints can be connected by universal joints, and the universal joints are key parts on the transmission shaft of the vehicle and are used between a front axle half shaft and wheels which are responsible for driving and steering. The single-shaft transmission automobile can improve the off-road performance through the universal joint, but can have the phenomenon of insufficient power and the like when running on some complex roads.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough condition of power transmission of ordinary single transmission axle car on the road surface of sloping ground or injustice, the utility model discloses on the ordinary unipolar drive basis of car, through changing the vehicle chassis structure, change ordinary unipolar power transmission into biax power transmission.
The utility model provides a technical scheme that its technical problem adopted is:
a double-transmission-shaft automobile chassis structure comprises a power transmission structure, wherein the power transmission structure comprises a gearbox. A first differential case, a second differential case and a third differential case are arranged on the automobile chassis; a first driving shaft connected with the first differential case is arranged on the gearbox, and a second driving shaft and a third driving shaft which are respectively connected with the second differential case and the third differential case are arranged on two sides of the first differential case; a first transmission shaft and a second transmission shaft are respectively arranged on two sides of the second differential case; and a third transmission shaft and a fourth transmission shaft are respectively arranged on two sides of the third differential case. Through the transformation of the automobile chassis structure, the single-shaft power transmission of a common automobile is changed into double-shaft power transmission, the efficiency of power transmission is improved, and the loss in the power transmission process is reduced.
Preferably, a first driving gear is arranged at the end part of the first driving shaft connected with the first differential case, a first differential case side gear meshed with the first driving gear is arranged in the first differential case, and the first differential case side gear is arranged on the third driving shaft; the end part of the second driving shaft connected with the first differential case is provided with a second sun gear, a first planetary gear frame is fixed on the inner ring of the side gear of the first differential case, the end part of the third driving shaft penetrating through the first planetary gear frame and connected with the second driving shaft is provided with a first sun gear, and the first planetary gear frame is provided with two first planetary gears which are respectively meshed with the first sun gear and the second sun gear.
Preferably, a second driving gear is arranged at the end part of the second driving shaft, which is connected with the second differential case, a second differential case side gear meshed with the second driving gear is arranged in the second differential case, and the second differential case side gear is arranged on the second transmission shaft; the end part of the first transmission shaft connected with the second differential case is provided with a fourth sun gear, a second planetary gear frame is fixed on the inner ring of the gear on the side surface of the second differential case, a third sun gear is arranged on the end part of the second transmission shaft connected with the first transmission shaft through the second planetary gear frame, and two second planetary gears respectively meshed with the third sun gear and the fourth sun gear are arranged on the second planetary gear frame.
Preferably, a third driving gear is arranged at the end part of the third driving shaft, which is connected with a third differential case, a third differential side gear connected with the third driving gear is arranged in the third differential case, and the third differential side gear is arranged on a fourth transmission shaft; the end part of the third transmission shaft connected with the third differential case is provided with a sixth sun gear, the inner ring of the side gear of the third differential case is fixed with a third planetary gear frame, the end part of the fourth transmission shaft connected with the third transmission shaft by penetrating through the third planetary gear frame is provided with a fifth sun gear, and the third planetary gear frame is provided with two third planetary gears which are respectively meshed with the fifth sun gear and the sixth sun gear.
Preferably, universal transmission devices are used on the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft, and the universal transmission devices can enable power transmitted to the transmission shafts from the second differential case and the third differential case to be transmitted to automobile tires at non-horizontal angles when the automobile passes through a sloping field or an uneven road surface, so that the passing performance of the automobile on the sloping field or the uneven ground surface is enhanced.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the common single-shaft power transmission of the automobile is changed into double-shaft power transmission, so that the loss of power in the transmission process is reduced, the transmission efficiency of the power transmitted from the gearbox to the automobile tire is improved, and the automobile tire can still obtain effective power output when the automobile runs on a sloping field or an uneven road surface. Through the change to the vehicle chassis structure, the cross-country performance of car has been promoted.
Drawings
Fig. 1 is a schematic structural diagram of a chassis of a double-transmission-shaft automobile.
Fig. 2 is a schematic structural diagram of power transmission of a dual-transmission-shaft automobile.
Fig. 3 is a schematic view of the connection of the transmission case to the first differential case.
Fig. 4 is a schematic structural view of the second differential case connected to the first transmission shaft and the second transmission shaft.
Fig. 5 is a schematic structural view of the third differential case connected to the third transmission shaft and the fourth transmission shaft.
Fig. 6 is a schematic view of the internal structure of the first differential case.
In the figure: 1-a gear box, 2-a first transmission shaft, 3-a first driving shaft, 4-a second differential case, 5-a second driving shaft, 6-a second transmission shaft, 7-a third transmission shaft, 8 a third driving shaft, 9-a third differential case, 10-a first differential case, 11-a fourth transmission shaft, 12-a first sun gear, 13-a first planet gear, 14-a first planet gear frame, 15-a first differential case side face bevel gear, 16-first drive gear, 17-second sun gear, 18-third sun gear, 19-second planet gear, 20-fourth sun gear, 21-second drive gear, 22-second differential case side gear, 23-second planet gear frame, 24-fifth sun gear, 25-third planet gear, 26-third drive gear, 27-third differential case side gear, 28-third planet gear frame, 29-sixth sun gear.
Detailed Description
A double-transmission-shaft automobile chassis structure comprises a power transmission structure, wherein the power transmission structure comprises a gearbox 1. A first differential case 10, a second differential case 4 and a third differential case 9 are arranged on the automobile chassis; a first driving shaft 3 connected with a first differential case 10 is arranged on the gearbox 1, and a second driving shaft 5 and a third driving shaft 8 respectively connected with a second differential case 4 and a third differential case 9 are arranged on two sides of the first differential case 10; a first transmission shaft 2 and a second transmission shaft 6 are respectively arranged on two sides of the second differential case 4; and a third transmission shaft 7 and a fourth transmission shaft 11 are respectively arranged on two sides of the third differential case 9.
In the first drawing, a gearbox 1 is mechanically connected with a first differential case 10 through a first driving shaft 3, driving shafts on two sides of the first differential case 10 are respectively connected with a second differential case 4 and a third differential case 9, a first transmission shaft 2 is mechanically connected with a second transmission shaft 6 through a gear in the second differential case 4, a third transmission shaft 7 is mechanically connected with a fourth transmission shaft 11 through a gear in the third differential case 9, one ends of four transmission shafts of an automobile, which are far away from the differential cases, are respectively connected with four wheel sets of the automobile through mechanical connection between gears, and power of the automobile is transmitted to automobile tires. The common single-shaft drive of the automobile is changed into double-shaft drive by modification, and the power transmitted from the gearbox of the automobile is distributed to four wheel sets of the automobile.
In fig. 3, a first driving gear 16 is arranged at the end part of the first driving shaft 3 connected with the first differential case 10, a first differential case side gear 15 meshed with the first driving gear 16 is arranged in the first differential case 10, and the first differential case side gear 15 is arranged on the third driving shaft 8; the end of the second drive shaft 5 connected to the first differential case 10 is provided with a second sun gear 17, the first differential case side inner ring gear 15 is fixed with a first planetary gear frame 14, the end of the third drive shaft 8 connected to the second drive shaft 5 through the first planetary gear frame 14 is provided with a first sun gear 17, and the first planetary gear frame 14 is provided with two first planetary gears 13 respectively engaged with the first sun gear 12 and the second sun gear 17. By means of a modification, the vehicle power is transmitted from the first drive shaft 3 in the gearbox 1 to the second drive shaft 5 and the third drive shaft 8 in the first differential box 10
In fig. 4, a second driving gear 21 is arranged at the end part of the second driving shaft 5 connected with the second differential case 4, a second differential case side gear 22 meshed with the second driving gear 21 is arranged in the second differential case 4, and the second differential case side gear 22 is arranged on the second transmission shaft 6; a fourth sun gear 20 is arranged at the end part of the first transmission shaft 2 connected with the second differential case 4, a second planetary gear frame 23 is fixed on the inner ring of a side gear 22 of the second differential case, a third sun gear 18 is arranged at the end part of the second transmission shaft 6 connected with the first transmission shaft 2 by penetrating through the second planetary gear frame 23, and two second planetary gears 19 respectively meshed with the third sun gear 18 and the fourth sun gear 20 are arranged on the second planetary gear frame 23. By modification, the power on the second drive shaft 5 in the first differential case 10 is transmitted to the first drive shaft 2 and the second drive shaft 6.
In fig. 5, a third driving gear 26 is arranged at the end part of the third driving shaft 8 connected with the third differential case 9, a third differential side gear 27 connected with the third driving gear 26 is arranged in the third differential case 9, and the third differential side gear 27 is arranged on the fourth transmission shaft 11; the end of the third transmission shaft 8 connected with the third differential case 9 is provided with a sixth sun gear 29, the inner ring of the third differential case side gear 27 is fixed with a third planetary gear frame 28, the end of the fourth transmission shaft 11 connected with the third transmission shaft 7 through the third planetary gear frame 28 is provided with a fifth sun gear 24, and the third planetary gear frame 25 is provided with two third planetary gears 25 respectively engaged with the fifth sun gear 24 and the sixth sun gear 29. By modification, the power on the third drive shaft 8 in the first differential case 10 is transmitted to the third drive shaft 7 and the fourth drive shaft 11.
In the chassis structure of the automobile in fig. 1, universal transmission devices are used on a first transmission shaft 2, a second transmission shaft 6, a third transmission shaft 7 and a fourth transmission shaft 11, and when the automobile passes through a sloping field or an uneven road surface, the universal transmission devices can enable power transmitted from the second differential case 4 and the third differential case 9 to the transmission shafts to be transmitted to automobile tires at a non-horizontal angle, so that the passing performance of the automobile on the sloping field or the uneven ground surface is enhanced.
In fig. 2, power generated by an engine of the automobile is transmitted to a first differential case 10 through a transmission case 1, the power is transmitted to a second differential case 4 and a third differential case 9 through the first differential case 10, and then transmitted to a first transmission shaft 2, a second transmission shaft 6, a third transmission shaft 7 and a fourth transmission shaft 11 through the second differential case 4 and the third differential case 9. The arrows in fig. 2 indicate the direction of power transmission of the two-axis vehicle.
The invention changes the structure of the automobile chassis, changes the common single-shaft drive of the automobile into double-shaft drive, enables the four wheel sets of the automobile to obtain power output, and improves the cross-country performance of the automobile.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a double-drive axle's vehicle chassis structure, includes power transmission structure, and power transmission structure includes gearbox (1), its characterized in that: the power transmission structure further comprises a first differential case (10), a second differential case (4) and a third differential case (9); a first driving shaft (3) connected with a first differential case (10) is arranged on the gearbox (1), and a second driving shaft (5) and a third driving shaft (8) which are respectively connected with a second differential case (4) and a third differential case (9) are arranged on two sides of the first differential case (10); a first transmission shaft (2) and a second transmission shaft (6) are respectively arranged on two sides of the second differential case (4); a third transmission shaft (7) and a fourth transmission shaft (11) are respectively arranged on two sides of the third differential case (9).
2. The automotive chassis structure of a dual propeller shaft according to claim 1, wherein: a first driving gear (16) is arranged at the end part of the first driving shaft (3) connected with the first differential case (10), a first differential case side gear (15) meshed with the first driving gear (16) is arranged in the first differential case (10), and the first differential case side gear (15) is arranged on the third driving shaft (8); the end part of the second driving shaft (5) connected with the first differential case (10) is provided with a second sun gear (17), the inner ring of a side gear (15) of the first differential case is fixed with a first planetary gear frame (14), the end part of the third driving shaft (8) connected with the second driving shaft (5) by penetrating through the first planetary gear frame (14) is provided with a first sun gear (12), and the first planetary gear frame (14) is provided with two first planetary gears (13) which are respectively meshed with the first sun gear (12) and the second sun gear (17).
3. The automotive chassis structure of a dual propeller shaft according to claim 1, wherein: a second driving gear (21) is arranged at the end part of the second driving shaft (5) connected with the second differential case (4), a second differential case side gear (22) meshed with the second driving gear (21) is arranged in the second differential case (4), and the second differential case side gear (22) is arranged on the second transmission shaft (6); a fourth sun gear (20) is arranged at the end part of the first transmission shaft (2) connected with the second differential case (4), a second planetary gear frame (23) is fixed on the inner ring of the second differential case side gear (22), a third sun gear (18) is arranged at the end part of the second transmission shaft (6) connected with the first transmission shaft (2) by penetrating through the second planetary gear frame (23), and two second planetary gears (19) which are respectively meshed with the third sun gear (18) and the fourth sun gear (20) are arranged on the second planetary gear frame (23).
4. The automotive chassis structure of a dual propeller shaft according to claim 1, wherein: a third driving gear (26) is arranged at the end part of the third driving shaft (8) connected with the third differential case (9), a third differential side gear (27) connected with the third driving gear (26) is arranged in the third differential case (9), and the third differential side gear (27) is arranged on the fourth transmission shaft (11); a sixth sun gear (29) is arranged at the end part of the third transmission shaft (7) connected with the third differential case (9), a third planetary gear frame (28) is fixed on the inner ring of the third differential case side gear (27), a fifth sun gear (24) is arranged at the end part of the fourth transmission shaft (11) connected with the third transmission shaft (7) by penetrating through the third planetary gear frame (28), and two third planetary gears (25) respectively meshed with the fifth sun gear (24) and the sixth sun gear (29) are arranged on the third planetary gear frame (28).
5. The automotive chassis structure of a dual propeller shaft according to claim 1, wherein: universal transmission devices are arranged on the first transmission shaft (2), the second transmission shaft (6), the third transmission shaft (7) and the fourth transmission shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042370.6U CN210337580U (en) | 2019-07-05 | 2019-07-05 | Automobile chassis structure with double transmission shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042370.6U CN210337580U (en) | 2019-07-05 | 2019-07-05 | Automobile chassis structure with double transmission shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210337580U true CN210337580U (en) | 2020-04-17 |
Family
ID=70193152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921042370.6U Active CN210337580U (en) | 2019-07-05 | 2019-07-05 | Automobile chassis structure with double transmission shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210337580U (en) |
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2019
- 2019-07-05 CN CN201921042370.6U patent/CN210337580U/en active Active
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