CN201863716U - Power transmission device of multi-axle automobile - Google Patents
Power transmission device of multi-axle automobile Download PDFInfo
- Publication number
- CN201863716U CN201863716U CN2010206055522U CN201020605552U CN201863716U CN 201863716 U CN201863716 U CN 201863716U CN 2010206055522 U CN2010206055522 U CN 2010206055522U CN 201020605552 U CN201020605552 U CN 201020605552U CN 201863716 U CN201863716 U CN 201863716U
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- Prior art keywords
- gear
- transfer
- shaft
- axle
- driving
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Abstract
The utility model relates to a power transmission device of a multi-axle automobile. A transfer driving shaft and a transfer driven shaft are arranged in a transfer case, the transfer driving shaft is connected with a front driving axle, the transfer driven axle is connected with a middle driving axle, power transmitted from an engine is directly transmitted to the front driving axle via a transmission component and the transfer driving axle, and the power is transmitted to the transfer driven shaft from the transfer driving shaft by means of operating engaging and disengaging of the transmission component in the transfer case so as to realize switching of service states of the middle driving axle. The power transmission device is further provided with a second transfer case, a second transfer driving shaft and a second transfer driven shaft are arranged in the second transfer case, the second transfer driven shaft is connected with a rear driving axle, the middle driving axle is connected with the second transfer driving shaft by a transmission component, and power is transmitted from the second transfer driving shaft to the second transfer driven shaft by means of operating engaging and disengaging of the transmission component in the second transfer case so as to realize switching of service states of the rear driving axle. The power transmission device is reasonable in design, simple in operation and convenient in switching of the driving axles.
Description
Technical field
The utility model relates to a kind of vehicle transmission gear that is used to drive front and back wheel that part-time case is arranged, especially a kind of power drive of multi-axle automobile.
Background technology
We know that multi-axle automobile can be according to condition of road surface and oil consumption situation, and the driver can be switched between a plurality of drive axles by joystick or button, to obtain desirable tractive force.Multi-axle automobile is when carrying out many bridges power transmission, because the difference of vehicle, its driving device also has nothing in common with each other.A kind of " vehicle multi-shaft power transmission gear " disclosed by the applicant's application and in the CN201553025U China utility model patent specification sheets of Granted publication on August 18th, 2010, this driving engine connects change speed gear box, change speed gear box is connected with main driving axle through power-transfer clutch, main driving axle connects auxiliary gear box imput shaft one end through universal-joint, auxiliary gear box imput shaft one side is provided with the auxiliary gear box driven shaft, the auxiliary gear box imput shaft is provided with driving gear, the auxiliary gear box driven shaft is provided with driven gear, driving gear is meshed with driven gear, wherein a kind of technical scheme is: auxiliary gear box imput shaft one end is an optical axis, the other end is a castellated shaft, driving gear rotates and is arranged on the optical axis, driving gear is provided with engaging gear, slide on the corresponding castellated shaft with it and be provided with clutch gear, clutch gear is provided with circular groove, circular groove is provided with shift fork, the shift fork hinge is associated on the auxiliary gear box top cover, the shift fork upper end is provided with clutch handle, driven gear is fastened on the auxiliary gear box driven shaft, the auxiliary gear box imput shaft connects front driving axle through transmission shaft, and the auxiliary gear box driven shaft connects second drive axle and the 3rd drive axle through transmission shaft respectively.Front driving axle is main drive axle, and second drive axle and the 3rd drive axle are all secondary drive axle.By the separate or merge of the engaging gear on shift fork drive clutch gear and the driving gear, realize switching simultaneously to second drive axle and the 3rd drive axle running condition.
Another kind of technical scheme is: driving gear is fastened on the auxiliary gear box imput shaft, driven gear is fastened on the auxiliary gear box driven shaft, auxiliary gear box driven shaft one side line of centers same with it is provided with the spline adapter shaft, slide on the spline adapter shaft and be provided with clutch gear, driven gear self be extended for engaging gear, clutch gear is provided with circular groove, circular groove is provided with shift fork, the shift fork hinge is associated on the auxiliary gear box top cover, the shift fork upper end is provided with clutch handle, the auxiliary gear box driven shaft connects rear driving axle through transmission shaft, the spline adapter shaft connects the 3rd drive axle by transmission shaft successively, second drive axle and front driving axle, rear driving axle is main drive axle, the 3rd drive axle, second drive axle and front driving axle are all secondary drive axle, by the separate or merge of the engaging gear on shift fork drive clutch gear and the driven gear, realize the 3rd drive axle simultaneously, the switching of second drive axle and front driving axle running condition.
In the above-mentioned disclosed technical scheme, first kind of technical scheme can't realize rear-axle drive.Second kind of technical scheme can't be carried out the switching of running condition to front driving axle alone.
Summary of the invention
In order to overcome deficiency of the prior art, the utility model provide a kind of reasonable in design, handle simple, as can to carry out the multi-axle automobile that running condition switches easily respectively power drive to front driving axle, middle drive axle, rear driving axle.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of power drive of multi-axle automobile, its driving engine connects change speed gear box, change speed gear box is connected with main driving axle through power-transfer clutch, main driving axle is connected with transfer imput shaft one end of a rotational support in auxiliary gear box through universal drive shaft, in auxiliary gear box, go back rotational support one transfer driven shaft, nonrotationally be provided with a driven gear on this transfer driven shaft, one driving gear that is meshed with this driven gear rotates and is arranged on the transfer imput shaft, on driving gear, be provided with engaging gear, corresponding engaging gear is provided with nonrotational in axial sliding clutch gear on the transfer imput shaft, have circular groove on the clutch gear, one shift fork hinge is associated on the auxiliary gear box top cover, the upper end of this shift fork connects clutch handle through pull bar, the struck side of shift fork is connected in the circular groove of clutch gear, the other end of transfer imput shaft connects front driving axle through universal drive shaft, the transfer driven shaft is drive axle in the middle of universal drive shaft connects, it is characterized in that: middle drive axle is successively through driving force member, power take-off shaft, universal drive shaft is connected with the second transfer imput shaft, one end of a rotational support in second auxiliary gear box, on this second transfer imput shaft, nonrotationally be provided with second driving gear, also rotational support has the second transfer driven shaft in second auxiliary gear box, one second driven gear that is meshed with second driving gear rotates and is arranged on the second transfer driven shaft, this second driven gear is provided with second engaging gear, one spline housing is fixedly mounted on the second transfer driven shaft, the second clutch gear slip cap of corresponding engaging gear is contained on the spline of spline housing external diameter, have a circular groove at second clutch gear, the struck side of one second shift fork is connected in this circular groove, upper end second pull bar of second shift fork connects second clutch handle, and the second transfer driven shaft connects rear driving axle through universal drive shaft.
Above-mentioned being arranged between second engaging gear on second driven gear and second clutch gear is provided with an engagement synchronizer gear.
The utility model is provided with transfer imput shaft and transfer driven shaft owing to rotating respectively in auxiliary gear box, the transfer imput shaft connects front driving axle through transmission shaft, the transfer driven shaft is drive axle in the middle of universal drive shaft connects, driving engine imports transfer imput shaft one end through the power that the change-speed box transmission comes into by main driving axle, universal drive shaft, passes to front driving axle by the transfer imput shaft other end through universal drive shaft again.Transfer imput shaft in the auxiliary gear box be provided with one rotate driving gear and nonrotationally, clutch gear in axial sliding, on the transfer driven shaft, nonrotationally be provided with the driven gear that is meshed with driving gear, clutch gear by shift fork stir with driving gear on engaging gear mesh or separate, realize switching to middle drive axle running condition.The utility model has been set up one second auxiliary gear box, in this auxiliary gear box respectively rotational support the second transfer imput shaft is arranged, the second transfer driven shaft, the second transfer driven shaft connects rear driving axle through universal drive shaft, middle drive axle is successively through driving force member, power take-off shaft, universal drive shaft is connected with the second transfer imput shaft, one end, nonrotationally be provided with second driving gear on the second transfer imput shaft in second auxiliary gear box, second driven gear that is meshed with this driving gear rotates and is arranged on the second transfer driven shaft, second driven gear is provided with second engaging gear, one spline housing is fixedly mounted on the second transfer driven shaft, the second clutch gear slip cap of corresponding engaging gear is contained on the spline of spline housing key external diameter, second clutch gear by second shift fork stir with second driven gear on second engaging gear realize engagement or separate, realized the switching of rear driving axle running condition.Compared with prior art, the utility model can switch the different driving bridge selectively at different road conditions, its have reasonable in design, handle advantage simple, each drive axle easy switching, be not only applicable to road transport, be specially adapted to the fire-fighting rescue, rescue and relief work, troop operation.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is a kind of structural front view of the present utility model.
Fig. 2 is the cutaway view Amplified image of the utility model auxiliary gear box.
Fig. 3 is the cutaway view Amplified image of the utility model second auxiliary gear box.
1. driving engines among the figure, 2. change speed gear box, 3. power-transfer clutch, 4. main driving axle, 5. universal drive shaft, 6. auxiliary gear box, 7. second pull bar, 8. second clutch handle, 9. pull bar, 10. clutch handle, 11. front driving axles, 12. universal drive shafts, 13. second drive axle, 14. universal drive shafts, 15. universal drive shafts, 16. the 3rd drive axle, 17. universal drive shafts, 18. second auxiliary gear boxs, 19. universal drive shaft, 20. transfer imput shaft, 21. driving gears, 22. engaging gear, 23. clutch gears, 24. circular grooves, 25. shift fork, 26. transfer driven shafts, 27. driven gears, 28. the deceleration driven gear, 29. cone gears, 30. power take-off shafts, 31. second driving gear, 32. second transfer imput shaft, 33. second transfer driven shafts, 34. spline housing, 35. second clutch gears, 36. circular grooves, 37. second shift fork, 38. the engagement synchronizer gear, 39. second engaging gears, 40. second driven gears.
The specific embodiment
In Fig. 1, a kind of power drive of multi-axle automobile, its driving engine 1 connects change speed gear box 2, and change speed gear box 2 is connected with main driving axle 4 through power-transfer clutch 3.In Fig. 1, Fig. 2, main driving axle 4 is connected through the end of universal drive shaft 5 with a transfer imput shaft 20, and in auxiliary gear box 7, the other end of transfer imput shaft 20 connects front driving axles 11 through universal drive shaft 12 to this transfer imput shaft 20 by the bearing rotational support.
As shown in Figure 2, in auxiliary gear box 6, also comprise, nonrotationally be provided with driven gear 27 on this transfer driven shaft 26 by bearing rotational support one transfer driven shaft 26.
As shown in Figure 2, a shaft part of auxiliary gear box imput shaft 20 is designed to optical axis, another shaft part is designed to castellated shaft, and a driving gear 21 that is meshed with driven gear 27 is rotated by bearings and is arranged on the optical axis section of transfer imput shaft 20.
On driving gear 21, be provided with engaging gear 22.
In Fig. 2, corresponding engaging gear 22 is provided with clutch gear 23 in axial sliding on the splined shaft section of transfer imput shaft 20, be associated on the top cover of auxiliary gear box 6 having circular groove 24, one shift forks 25 hinge on the clutch gear 23, the struck side of shift fork 25 is connected in the circular groove 24 of clutch gear.As shown in Figure 1 and Figure 2, the upper end of shift fork 25 connects clutch handle 10 through pull bar 9.
Transfer driven shaft 26 is drive axle in the middle of universal drive shaft connects.In the present embodiment, middle drive axle comprises second drive axle and the 3rd drive axle.In Fig. 1, Fig. 2, an end of transfer driven shaft 26 connects second drive axle 13 through universal drive shaft 14, and the other end connects the 3rd drive axle 16 through universal drive shaft 15.
As Fig. 1, shown in Figure 3, the utility model also is provided with one second auxiliary gear box 18.
In Fig. 3, in second auxiliary gear box 18, by the bearing rotational support the second transfer imput shaft 32 and the second transfer driven shaft 33 are arranged respectively.
As shown in Figure 3, deceleration driven gear 28 on the 3rd drive axle 16 as back one-level powerdriven driving link, the cone gear 29 that is meshed with this deceleration driven gear 28 as the powerdriven driven member of back one-levels, cone gear 29 is connected with power take-off shaft 30 keys, and power take-off shaft 30 is connected through the end of universal drive shaft 17 with the second transfer imput shaft 32 again.
In Fig. 3, be arranged on the second transfer imput shaft 32 of second auxiliary gear box 18 and nonrotationally be provided with second driving gear 31.
The second transfer driven shaft, 33 1 shaft parts are designed to optical axis, and another shaft part is designed to castellated shaft, second driven gear 40 by the bearing rotational support on the optical axis section of the second transfer driven shaft 33.
Second driven gear 40 is meshed with second driving gear 31.
Second driven gear 40 is provided with second engaging gear 39.This second engaging gear 39 is prolongations of second driven gear 40 self.
One spline housing 34 is fixedly mounted on the splined shaft section of the second transfer driven shaft 33.Second clutch gear, 35 corresponding engaging gear 39 slip caps are contained on the spline of spline housing 34 external diameters.The struck side that has a circular groove 36, the second shift forks 37 at second clutch gear 35 is connected in this circular groove 36, and in Fig. 1, Fig. 3, upper end second pull bar 7 of second shift fork 37 connects second clutch handle 8.
Among Fig. 3, the stationarity when meshing with engaging gear 39 in order to increase by second clutch gear 35 prevents rigid shock, is set with an engagement synchronizer gear 38 on the extension body in second engaging gear, 39 outsides on second driven gear 40.
As Fig. 1, shown in Figure 3, outside second auxiliary gear box 18, the second transfer driven shaft 33 connects rear driving axle 20 through universal drive shaft 19.
Front driving axle 11 is main drive axle in the utility model, is directly passed to front driving axle 11 from the power on the main driving axle 4 through universal drive shaft 5, transfer imput shaft 20, universal drive shaft 12, is used for the powered vehicle cruising.
Second drive axle 13 and the 3rd drive axle 16 are secondary drive axle, can carry out state selectively and switch according to the residing different road conditions of vehicle.
As seen from Figure 1, Figure 2, spur clutch handle 10 forward, driving shift forks 25 through pull bar 9 stirs clutch gear 23 and is meshed with engaging gear 22 on the driving gear 21, pass to driven gear 27 from the power on the main driving axle 4 through universal drive shaft 5, transfer imput shaft 20, clutch gear 23, engaging gear 22, driving gear 21, driven gear 27 drives transfer driven shaft 26 and rotates, one the tunnel passes to second drive axle 13 through universal drive shaft 14, and another road passes to the 3rd drive axle 16 through universal drive shaft 15.
Pull back clutch handle 10, drive shift forks 25 through pull bar 9 and stir clutch gear 23 and separate with engaging gear 22 on the driving gear 21, then the power on second drive axle 13 and the 3rd drive axle 16 is thrown off.
Pull back clutch handle 8, driving shift forks 37 through pull bar 7 stirs the 2 35 and separates with second engaging gear 38 on second driven gear 40, then dally on the second transfer driven shaft 33 from second driven gear 40 of the drive force on the 3rd drive axle 16, then the power on the rear driving axle 20 is thrown off.
The utility model is reasonable in design, manipulation is simple, each drive axle can switch alone easily, is not only applicable to road transport, is specially adapted to the fire-fighting rescue, rescue and relief work, troop operation.
Claims (2)
1. the power drive of a multi-axle automobile, its driving engine connects change speed gear box, change speed gear box is connected with main driving axle through power-transfer clutch, main driving axle is connected with transfer imput shaft one end of a rotational support in auxiliary gear box through universal drive shaft, in auxiliary gear box, go back rotational support one transfer driven shaft, nonrotationally be provided with a driven gear on this transfer driven shaft, one driving gear that is meshed with this driven gear rotates and is arranged on the transfer imput shaft, on driving gear, be provided with engaging gear, corresponding engaging gear is provided with nonrotational in axial sliding clutch gear on the transfer imput shaft, have circular groove on the clutch gear, one shift fork hinge is associated on the auxiliary gear box top cover, the upper end of this shift fork connects clutch handle through pull bar, the struck side of shift fork is connected in the circular groove of clutch gear, the other end of transfer imput shaft connects front driving axle through universal drive shaft, the transfer driven shaft is drive axle in the middle of universal drive shaft connects, it is characterized in that: middle drive axle is successively through driving force member, power take-off shaft, universal drive shaft is connected with the second transfer imput shaft, one end of a rotational support in second auxiliary gear box, on this second transfer imput shaft, nonrotationally be provided with second driving gear, also rotational support has the second transfer driven shaft in second auxiliary gear box, one second driven gear that is meshed with second driving gear rotates and is arranged on the second transfer driven shaft, this second driven gear is provided with second engaging gear, one spline housing is fixedly mounted on the second transfer driven shaft, the second clutch gear slip cap of corresponding engaging gear is contained on the spline of spline housing external diameter, have a circular groove at second clutch gear, the struck side of one second shift fork is connected in this circular groove, upper end second pull bar of second shift fork connects second clutch handle, and the second transfer driven shaft connects rear driving axle through universal drive shaft.
2. the power drive of a kind of multi-axle automobile according to claim 1 is characterized in that: described being arranged between second engaging gear on second driven gear and second clutch gear is provided with an engagement synchronizer gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206055522U CN201863716U (en) | 2010-11-03 | 2010-11-03 | Power transmission device of multi-axle automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206055522U CN201863716U (en) | 2010-11-03 | 2010-11-03 | Power transmission device of multi-axle automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201863716U true CN201863716U (en) | 2011-06-15 |
Family
ID=44134881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206055522U Expired - Lifetime CN201863716U (en) | 2010-11-03 | 2010-11-03 | Power transmission device of multi-axle automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201863716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001283A (en) * | 2010-11-03 | 2011-04-06 | 王政中 | Power drive device for multi- axle vehicle |
| CN105128661A (en) * | 2015-08-03 | 2015-12-09 | 徐州重型机械有限公司 | Power drive unit and crane |
-
2010
- 2010-11-03 CN CN2010206055522U patent/CN201863716U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001283A (en) * | 2010-11-03 | 2011-04-06 | 王政中 | Power drive device for multi- axle vehicle |
| CN102001283B (en) * | 2010-11-03 | 2013-03-27 | 王政中 | Power drive device for multi- axle vehicle |
| CN105128661A (en) * | 2015-08-03 | 2015-12-09 | 徐州重型机械有限公司 | Power drive unit and crane |
| CN105128661B (en) * | 2015-08-03 | 2019-10-22 | 徐州重型机械有限公司 | A kind of power drive unit and crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |