CN208664958U - A kind of drive axle jackshaft - Google Patents
A kind of drive axle jackshaft Download PDFInfo
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- CN208664958U CN208664958U CN201822152664.6U CN201822152664U CN208664958U CN 208664958 U CN208664958 U CN 208664958U CN 201822152664 U CN201822152664 U CN 201822152664U CN 208664958 U CN208664958 U CN 208664958U
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- master
- bevel gear
- tooth
- center differential
- gear
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Abstract
The utility model discloses a kind of drive axle jackshafts, including the first center differential, the second center differential, the first master bevel gear, the second master bevel gear and master tooth, the master tooth, the first master bevel gear and the second master bevel gear are rotatably connected in axle housing, and first master bevel gear and the second master bevel gear are respectively from different location and the master tooth engagement；The power input shaft of drive axle chain the second center differential of wheel drive of first center differential, rear drive shaft is for driving rear axle；Drive axle chain the first master bevel gear of wheel drive of second center differential rotates, and rear drive shaft drives second bevel gear rotation.Power is divided into two-way by center differential and gives main cone fluted disc, main cone fluted disc is recycled to drive master tooth, improves the master tooth engagement number of teeth, stress equalization.
Description
Technical field
The utility model relates to drive axle technical field, in particular to a kind of drive axle jackshaft.
Background technique
Drive axle is to be located at power train end to change revolving speed and torque from speed changer, and pass them to driving
The mechanism of wheel.Drive axle is generally made of main reducing gear, differential mechanism, wheel drive and driving axle housing etc., steering and driving axle
There are also constant velocity cardan joints.In addition, drive axle still suffers from the vertical force acted between road surface and vehicle frame or vehicle body, longitudinal force and
Cross force and braking moment and reaction force.Current main reducing gear is a reduction gearing, and the gear on transmission shaft is therewith
Engagement, gear and the number of teeth of reduction gearing engagement are few during transmission, when transmitting big torque, are easy to happen gear teeth change
The problem of shape is worn.
Summary of the invention
For the above-mentioned prior art, the utility model lies in that providing a kind of drive axle jackshaft, will be moved by center differential
Power is divided into two-way and gives main cone fluted disc, and main cone fluted disc is recycled to drive master tooth, improves the master tooth engagement number of teeth, stress equalization.
The technical scheme of the present invention is realized as follows:
A kind of drive axle jackshaft, including the first center differential, the second center differential, the first master bevel gear, the second master
Bevel gear and master tooth, the master tooth, the first master bevel gear and the second master bevel gear are rotatably connected in axle housing, and described first
Master bevel gear and the second master bevel gear are respectively from different location and the master tooth engagement；The forerunner of first center differential
The power input shaft of moving axis chain the second center differential of wheel drive, rear drive shaft is for driving rear axle；Described second central differential
Drive axle chain the first master bevel gear of wheel drive of device rotates, and rear drive shaft drives second bevel gear rotation.
It further, further include several secondary bevel gears, the pair bevel gear is rotatably connected in axle housing, the pair bevel gear
Be evenly arranged on the surrounding of the master tooth and with the master tooth engagement.
Further, it is additionally provided with bracket panel tooth in axle housing, the bracket panel tooth is set to the opposite side of the master tooth and with described the
One master bevel gear, the second master bevel gear, secondary bevel gear engagement.
Further, first master bevel gear be set to second master bevel gear opposite side, first master bevel gear,
The shaft of second master bevel gear and master tooth is located along the same line.
Further, the power input shaft of the drive axle sprocket wheel of first center differential and the second center differential
Connection；The drive axle sprocket wheel of second center differential and the connection of the first master bevel gear, second center differential
Rear drive shaft drives second master bevel gear by power train.
Further, the power train includes the breast wheel of first gear, second gear, the first gear and described
The rear drive shafts of two center differentials connects, and the second gear is connected with the second master bevel gear, and the breast wheel is respectively and institute
State first gear, second gear engagement.
The utility model has the beneficial effects that: the power of vehicle drive system is inputted from the power of the first center differential
Axis enters, and the power of entrance is divided into two-way, and a part is transferred to rear axle from the rear drive shaft of the first center differential, for driving
Rear-wheel traveling, another part transmit the power input of the second center differential from the drive axle sprocket wheel of the first center differential
Axis equally exports two parts power from the drive axle sprocket wheel and rear drive shaft of the second center differential, a part is used for respectively
The first master bevel gear is driven, another part is for driving the second master bevel gear.Due to center differential drive axle sprocket wheel and
Poor rotation can be generated when the moment unbalance that rear drive shaft is subject to, until the equalising torque that two rotation axis are subject to.First main cone
Gear and the second master bevel gear drive master tooth simultaneously, due to manufacturing tolerance etc., the first master bevel gear and the first master bevel gear
Driving master tooth can not be completely synchronized, there are a stress to play active drive greatly, another stress is small in trailing
State.Second center differential can eliminate the problem of two master bevel gear driving force unbalances, one of them is avoided to be in
Idling conditions improves the number of teeth that master tooth is engaged with master bevel gear so that master strength of gear is balanced, improves the stress surface of disk tooth
Product, is not likely to produce bending force, and master tooth is unlikely to deform, and wears small, the service life of raising master tooth.The number of teeth of master tooth engagement
Increase, the load forces born between the gear teeth become smaller, and abrasion is caused to reduce, and gear oil is not easy blackening, rotten, change greasy filth and production
Green coke taste keeps optimal lubrication and maintenance state.Under equal conditions, the service life for improving master tooth, can carry
Torque is bigger, for the client of the especially big tonnage demand such as military, civilian, special car, fire fighting truck.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of drive axle medium bridge structure schematic diagram of the utility model embodiment 1；
Fig. 2 is a kind of drive axle medium bridge structure schematic diagram of the utility model embodiment 2；
In figure, 1 first center differential, 2 second center differentials, 3 first master bevel gears, 4 second master bevel gears, 5 is main
Disk tooth, 6 secondary bevel gears, 7 bracket panel teeth, 8 first gears, 9 second gears, 10 breast wheels, the preceding driving of 11 first center differentials
Axis sprocket wheel, the drive axle sprocket wheel of 12 second center differentials.
Specific embodiment
In order to be best understood from the utility model technology contents, specific embodiment is provided below, and practical to this in conjunction with attached drawing
It is novel to be described further.
Embodiment 1
Referring to Fig. 1, a kind of drive axle jackshaft, including the first center differential 1, the second center differential 2, the first main cone tooth
The 3, second master bevel gear 4 of wheel and master tooth 5, the master tooth 5, the first master bevel gear 3 and the second master bevel gear 4 are rotatably connected on
In axle housing, first master bevel gear 3 and the second master bevel gear 4 are engaged from different location and the master tooth 5 respectively；Described
The drive axle sprocket wheel 11 of one center differential drives the power input shaft of the second center differential 2, and rear drive shaft is for driving
Rear axle；The drive axle sprocket wheel 12 of second center differential drives the rotation of the first master bevel gear 3, rear drive shaft driving second
Bevel gear rotation.
The power of vehicle drive system enters from the power input shaft of the first center differential 1, and the power of entrance is divided into two
Road, a part from the rear drive shaft of the first center differential 1 is transferred to rear axle, and for driving rear-wheel to travel, another part is from the
The drive axle sprocket wheel 11 of one center differential transmits the power input shaft of the second center differential 2, equally, poor from the second center
The drive axle sprocket wheel 12 and rear drive shaft of fast device 2 export two parts power respectively, and a part is for driving the first master bevel gear
3, another part is for driving the second master bevel gear 4.It is subject to due to the drive axle sprocket wheel and rear drive shaft of center differential
Poor rotation can be generated when moment unbalance, until the equalising torque that two are subject to.First master bevel gear 3 and the second master bevel gear 4
Master tooth 5 is driven simultaneously, due to manufacturing tolerance etc., the first master bevel gear 3 completely synchronous can not drive with the second master bevel gear 4
Dynamic master tooth 5, there are a stress to play active drive greatly, another small stress is in trailing state.Second center is poor
Fast device 2 can eliminate the problem of two master bevel gear driving force unbalances, avoid one of them from being in idling conditions, make winner
Disk tooth 5 takes turns stress equalization, improves the number of teeth that master tooth 5 is engaged with master bevel gear, improves the forced area of disk tooth, is not likely to produce curved
Qu Li, master tooth 5 are unlikely to deform, and wear small, the service life of raising master tooth 5.The number of teeth that master tooth 5 engages increases, the gear teeth
Between the load forces born become smaller, cause abrasion to reduce, gear oil be not easy blackening, it is rotten, become greasy filth and generate the smell of burning, protect
Hold optimal lubrication and maintenance state.Under equal conditions, the service life of master tooth 5 is improved, the torque that can be carried is bigger,
For the client of the especially big tonnage demand such as military, civilian, special car, fire fighting truck.
Specifically, further including several secondary bevel gears 6, the pair bevel gear 6 is rotatably connected in axle housing, the pair bevel gear
6 are evenly arranged on the surrounding of the master tooth 5 and engage with the master tooth 5.So that 5 stress equalization of master tooth, is not likely to produce bending
Power, master tooth 5 are unlikely to deform, and wear small, the service life of raising master tooth 5.
Embodiment 2
Referring to fig. 2, the present embodiment the difference from embodiment 1 is that, bracket panel tooth 7 is additionally provided in axle housing, the bracket panel tooth 7 is set
In the master tooth 5 opposite side and engaged with first master bevel gear 3, the second master bevel gear 4, secondary bevel gear 6.Bracket panel tooth 7,
Secondary bevel gear 6, master tooth 5,3 second bevel gear of the first master bevel gear form a closed loop, so that 5 uniform force of master tooth, connects
The number of teeth of touching increases, and abrasion and extreme pressure reduce, and improves the service life of master tooth 5.
Specifically, first master bevel gear 3 is set to the opposite side of second master bevel gear 4, first master bevel gear
3, the shaft of the second master bevel gear 4 and master tooth 5 is located along the same line.Master tooth 5 is driven from two sides respectively, so that master tooth
5 stress are more evenly.The shaft of first master bevel gear 3 and the second master bevel gear 4 is on same straight line, facilitates the second central differential
The transmission of device 2 does not need to increase universal transmission mechanism.
Specifically, the power input shaft of second center differential 2 is equipped with the forerunner with first center differential
11 meshed gears of moving axis sprocket wheel, first master bevel gear 3 is equipped with and the drive axle sprocket wheel of second center differential
The rear drive shaft of 12 meshed gears, second center differential 2 drives second master bevel gear 4 by power train.It is logical
Gear driving is crossed, structure is simple, is connected firmly, low in cost.
Specifically, the power train includes the breast wheel 10 of first gear 8, second gear 9, the first gear 8 and institute
State the rear drive shaft connection of the second center differential 2, the second gear 9 and the connection of the second master bevel gear 4, the breast wheel 10
It is engaged respectively with the first gear 8, second gear 9.Breast wheel 10 changes transmission direction, so that the first master bevel gear 3 and the
The rotation direction of two master bevel gears 4 beats tooth problem on the contrary, avoiding the occurrence of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of drive axle jackshaft, which is characterized in that including the first center differential, the second center differential, the first main cone tooth
Wheel, the second master bevel gear and master tooth, the master tooth, the first master bevel gear and the second master bevel gear are rotatably connected on axle housing
Interior, first master bevel gear and the second master bevel gear are respectively from different location and the master tooth engagement；First center
The power input shaft of drive axle chain the second center differential of wheel drive of differential mechanism, rear drive shaft is for driving rear axle；It is described
Drive axle chain the first master bevel gear of wheel drive of second center differential rotates, and rear drive shaft drives second bevel gear rotation.
2. a kind of drive axle jackshaft according to claim 1, which is characterized in that further include several secondary bevel gears, the pair
Bevel gear is rotatably connected in axle housing, it is described pair bevel gear be evenly arranged on the master tooth surrounding and with the master tooth engagement.
3. a kind of drive axle jackshaft according to claim 2, which is characterized in that be additionally provided with bracket panel tooth, the pair in axle housing
Disk tooth is set to the opposite side of the master tooth and engages with first master bevel gear, the second master bevel gear, secondary bevel gear.
4. a kind of drive axle jackshaft according to claim 1, which is characterized in that first master bevel gear is set to described the
The shaft of the opposite side of two master bevel gears, first master bevel gear, the second master bevel gear and master tooth is located along the same line.
5. a kind of drive axle jackshaft according to claim 1, which is characterized in that the power of second center differential is defeated
Enter axis equipped with the gear with the drive axle sprocket engagement of first center differential, first master bevel gear is equipped with and institute
The gear of the drive axle sprocket engagement of the second center differential is stated, the rear drive shaft of second center differential passes through transmission
System drives second master bevel gear.
6. a kind of drive axle jackshaft according to claim 5, which is characterized in that the power train includes first gear,
The breast wheel of two gears, the first gear are connected with the rear drive shaft of second center differential, the second gear and
The connection of second master bevel gear, the breast wheel are engaged with the first gear, second gear respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822152664.6U CN208664958U (en) | 2018-12-19 | 2018-12-19 | A kind of drive axle jackshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822152664.6U CN208664958U (en) | 2018-12-19 | 2018-12-19 | A kind of drive axle jackshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208664958U true CN208664958U (en) | 2019-03-29 |
Family
ID=65821383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822152664.6U Active CN208664958U (en) | 2018-12-19 | 2018-12-19 | A kind of drive axle jackshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208664958U (en) |
-
2018
- 2018-12-19 CN CN201822152664.6U patent/CN208664958U/en active Active
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